From ec3dea17de8a1c2cedaae67a65ab8a91e4fdbe2b Mon Sep 17 00:00:00 2001 From: gengjiawen Date: Thu, 2 Jan 2020 20:28:54 +0800 Subject: [PATCH 001/224] src: add build Github Action PR-URL: https://github.com/nodejs/node/pull/31153 Reviewed-By: Christian Clauss Reviewed-By: Anna Henningsen Reviewed-By: Colin Ihrig --- .github/workflows/CI.yml | 43 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 .github/workflows/CI.yml diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml new file mode 100644 index 00000000000000..47b59836300086 --- /dev/null +++ b/.github/workflows/CI.yml @@ -0,0 +1,43 @@ +name: CI + +on: [push, pull_request] + +jobs: + build-linux: + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v2 + - name: Use Node.js ${{ matrix.node-version }} + uses: actions/setup-node@v1 + with: + node-version: 13.x + - name: Environment Information + run: npx envinfo + - name: Build + run: ./configure && make -j2 + build-windows: + runs-on: windows-latest + steps: + - uses: actions/checkout@v2 + - name: Use Node.js ${{ matrix.node-version }} + uses: actions/setup-node@v1 + with: + node-version: 13.x + - name: Environment Information + run: npx envinfo + - name: Install deps + run: choco install nasm + - name: Build + run: ./vcbuild.bat + build-macOS: + runs-on: macOS-latest + steps: + - uses: actions/checkout@v2 + - name: Use Node.js ${{ matrix.node-version }} + uses: actions/setup-node@v1 + with: + node-version: 13.x + - name: Environment Information + run: npx envinfo + - name: Build + run: ./configure && make -j8 From 6dc3c5e47bc9ea44362064063dac9de37019e23e Mon Sep 17 00:00:00 2001 From: Robert Nagy Date: Tue, 7 Jan 2020 22:40:52 +0100 Subject: [PATCH 002/224] doc: fix stream async iterator sample The for await loop into writable loop could cause an unhandled exception in the case where we are waiting for data from the async iterable and this no `'error'` handler is registered on the writable. Fixes: https://github.com/nodejs/node/issues/31222 PR-URL: https://github.com/nodejs/node/pull/31252 Reviewed-By: Matteo Collina Reviewed-By: Rich Trott Reviewed-By: James M Snell --- doc/api/stream.md | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/doc/api/stream.md b/doc/api/stream.md index 151da7da71311f..cdb2095aef1e85 100644 --- a/doc/api/stream.md +++ b/doc/api/stream.md @@ -2639,15 +2639,23 @@ const finished = util.promisify(stream.finished); const writable = fs.createWriteStream('./file'); -(async function() { +async function pump(iterator, writable) { for await (const chunk of iterator) { // Handle backpressure on write(). - if (!writable.write(chunk)) + if (!writable.write(chunk)) { + if (writable.destroyed) return; await once(writable, 'drain'); + } } writable.end(); +} + +(async function() { // Ensure completion without errors. - await finished(writable); + await Promise.all([ + pump(iterator, writable), + finished(writable) + ]); })(); ``` From 783967675bc6122a2a1b67e98b1e8a9bfb8ad026 Mon Sep 17 00:00:00 2001 From: Robert Nagy Date: Tue, 7 Jan 2020 22:59:54 +0100 Subject: [PATCH 003/224] doc: rename iterator to iterable in examples PR-URL: https://github.com/nodejs/node/pull/31252 Fixes: https://github.com/nodejs/node/issues/31222 Reviewed-By: Matteo Collina Reviewed-By: Rich Trott Reviewed-By: James M Snell --- doc/api/stream.md | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/doc/api/stream.md b/doc/api/stream.md index cdb2095aef1e85..c807f1ecbaa51a 100644 --- a/doc/api/stream.md +++ b/doc/api/stream.md @@ -2639,8 +2639,8 @@ const finished = util.promisify(stream.finished); const writable = fs.createWriteStream('./file'); -async function pump(iterator, writable) { - for await (const chunk of iterator) { +async function pump(iterable, writable) { + for await (const chunk of iterable) { // Handle backpressure on write(). if (!writable.write(chunk)) { if (writable.destroyed) return; @@ -2653,7 +2653,7 @@ async function pump(iterator, writable) { (async function() { // Ensure completion without errors. await Promise.all([ - pump(iterator, writable), + pump(iterable, writable), finished(writable) ]); })(); @@ -2677,7 +2677,7 @@ const finished = util.promisify(stream.finished); const writable = fs.createWriteStream('./file'); (async function() { - const readable = Readable.from(iterator); + const readable = Readable.from(iterable); readable.pipe(writable); // Ensure completion without errors. await finished(writable); @@ -2692,7 +2692,7 @@ const pipeline = util.promisify(stream.pipeline); const writable = fs.createWriteStream('./file'); (async function() { - const readable = Readable.from(iterator); + const readable = Readable.from(iterable); await pipeline(readable, writable); })(); ``` From b91a48ab630cb55b48dd8a4edcebe77d09a2b8a8 Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Wed, 8 Jan 2020 07:11:58 +0100 Subject: [PATCH 004/224] doc: update description of `External` The previous description did not mention what an `External` is and instead only provided some hints around what it is not. Update the description to be more accurate. PR-URL: https://github.com/nodejs/node/pull/31255 Reviewed-By: Anto Aravinth Reviewed-By: Ruben Bridgewater Reviewed-By: David Carlier Reviewed-By: Colin Ihrig Reviewed-By: Luigi Pinca Reviewed-By: Rich Trott Reviewed-By: James M Snell --- doc/api/util.md | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/doc/api/util.md b/doc/api/util.md index d1671cac00efa5..f592468d4889a2 100644 --- a/doc/api/util.md +++ b/doc/api/util.md @@ -1391,11 +1391,12 @@ added: v10.0.0 * Returns: {boolean} Returns `true` if the value is a native `External` value. -A native `External` value is a special type of object whose -data is not stored within the JavaScript managed heap -and does not conform to standard JavaScript types. Such -objects are created either by Node.js internals or native -addons and are wrapped by a JavaScript object. + +A native `External` value is a special type of object that contains a +raw C++ pointer (`void*`) for access from native code, and has no other +properties. Such objects are created either by Node.js internals or native +addons. In JavaScript, they are [frozen][`Object.freeze()`] objects with a +`null` prototype. ### `util.types.isFloat32Array(value)` -Emitted after resolving the hostname but before connecting. +Emitted after resolving the host name but before connecting. Not applicable to Unix sockets. * `err` {Error|null} The error object. See [`dns.lookup()`][]. * `address` {string} The IP address. * `family` {string|null} The address type. See [`dns.lookup()`][]. -* `host` {string} The hostname. +* `host` {string} The host name. ### Event: `'ready'` -* `hostname` {string} A SNI hostname or wildcard (e.g. `'*'`) +* `hostname` {string} A SNI host name or wildcard (e.g. `'*'`) * `context` {Object} An object containing any of the possible properties from the [`tls.createSecureContext()`][] `options` arguments (e.g. `key`, `cert`, `ca`, etc). @@ -1308,7 +1308,7 @@ changes: with optional identity `hint` provided by the server or `null` in case of TLS 1.3 where `hint` was removed. It will be necessary to provide a custom `tls.checkServerIdentity()` - for the connection as the default one will try to check hostname/IP + for the connection as the default one will try to check host name/IP of the server against the certificate but that's not applicable for PSK because there won't be a certificate present. More information can be found in the [RFC 4279][]. @@ -1328,7 +1328,7 @@ changes: `SNICallback` option to [`tls.createServer()`][]. * `checkServerIdentity(servername, cert)` {Function} A callback function to be used (instead of the builtin `tls.checkServerIdentity()` function) - when checking the server's hostname (or the provided `servername` when + when checking the server's host name (or the provided `servername` when explicitly set) against the certificate. This should return an {Error} if verification fails. The method should return `undefined` if the `servername` and `cert` are verified. From c6e2fd88e87c7191bc686b07c00063714c120498 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Sun, 12 Jan 2020 08:09:26 -0800 Subject: [PATCH 042/224] doc: standardize on "host name" in url.md Our docs have a mix of "hostname" and "host name" in prose. Let's follow the usage of Unix man pages, RFCs, and most professionally-edited sources, and use "host name" in prose and "hostname" to refer to the command and in code. Lint rule forthcoming. PR-URL: https://github.com/nodejs/node/pull/31326 Refs: https://github.com/nodejs/node/pull/31073 Reviewed-By: Luigi Pinca Reviewed-By: Richard Lau Reviewed-By: James M Snell Reviewed-By: Trivikram Kamat --- doc/api/url.md | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/doc/api/url.md b/doc/api/url.md index 0760598bf61031..49f56509fe41e9 100644 --- a/doc/api/url.md +++ b/doc/api/url.md @@ -114,7 +114,7 @@ const myURL = new URL({ toString: () => 'https://example.org/' }); // https://example.org/ ``` -Unicode characters appearing within the hostname of `input` will be +Unicode characters appearing within the host name of `input` will be automatically converted to ASCII using the [Punycode][] algorithm. ```js @@ -192,7 +192,7 @@ Invalid host values assigned to the `host` property are ignored. * {string} -Gets and sets the hostname portion of the URL. The key difference between +Gets and sets the host name portion of the URL. The key difference between `url.host` and `url.hostname` is that `url.hostname` does *not* include the port. @@ -206,7 +206,7 @@ console.log(myURL.href); // Prints https://example.com:81/foo ``` -Invalid hostname values assigned to the `hostname` property are ignored. +Invalid host name values assigned to the `hostname` property are ignored. #### `url.href` @@ -1298,8 +1298,8 @@ path of most URLs. The *fragment percent-encode set* is used for URL fragments. The *C0 control percent-encode set* is used for host and path under certain specific conditions, in addition to all other cases. -When non-ASCII characters appear within a hostname, the hostname is encoded -using the [Punycode][] algorithm. Note, however, that a hostname *may* contain +When non-ASCII characters appear within a host name, the host name is encoded +using the [Punycode][] algorithm. Note, however, that a host name *may* contain *both* Punycode encoded and percent-encoded characters: ```js From e0c9a78c4fd4bb64c254c6c3c6602d8d15754c04 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Sun, 12 Jan 2020 07:20:36 -0800 Subject: [PATCH 043/224] doc: standardize on "host name" in deprecations.md Our docs have a mix of "hostname" and "host name" in prose. Let's follow the usage of Unix man pages, RFCs, and most professionally-edited sources, and use "host name" in prose and "hostname" to refer to the command and in code. Lint rule forthcoming. 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s=(e,r={})=>{let t=r.rangeLimit===void 0?1e3:r.rangeLimit;let s=(e,a={})=>{e.queue=[];let f=a;let c=a.queue;while(f.type!=="brace"&&f.type!=="root"&&f.parent){f=f.parent;c=f.queue}if(e.invalid||e.dollar){c.push(o(c.pop(),i(e,r)));return}if(e.type==="brace"&&e.invalid!==true&&e.nodes.length===2){c.push(o(c.pop(),["{}"]));return}if(e.nodes&&e.ranges>0){let s=u.reduce(e.nodes);if(u.exceedsLimit(...s,r.step,t)){throw new RangeError("expanded array length exceeds range limit. 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s=0;s",GT:">",Gamma:"Γ",Gammad:"Ϝ",Gbreve:"Ğ",Gcedil:"Ģ",Gcirc:"Ĝ",Gcy:"Г",Gdot:"Ġ",Gfr:"𝔊",Gg:"⋙",Gopf:"𝔾",GreaterEqual:"≥",GreaterEqualLess:"⋛",GreaterFullEqual:"≧",GreaterGreater:"⪢",GreaterLess:"≷",GreaterSlantEqual:"⩾",GreaterTilde:"≳",Gscr:"𝒢",Gt:"≫",HARDcy:"Ъ",Hacek:"ˇ",Hat:"^",Hcirc:"Ĥ",Hfr:"ℌ",HilbertSpace:"ℋ",Hopf:"ℍ",HorizontalLine:"─",Hscr:"ℋ",Hstrok:"Ħ",HumpDownHump:"≎",HumpEqual:"≏",IEcy:"Е",IJlig:"IJ",IOcy:"Ё",Iacut:"Í",Iacute:"Í",Icir:"Î",Icirc:"Î",Icy:"И",Idot:"İ",Ifr:"ℑ",Igrav:"Ì",Igrave:"Ì",Im:"ℑ",Imacr:"Ī",ImaginaryI:"ⅈ",Implies:"⇒",Int:"∬",Integral:"∫",Intersection:"⋂",InvisibleComma:"⁣",InvisibleTimes:"⁢",Iogon:"Į",Iopf:"𝕀",Iota:"Ι",Iscr:"ℐ",Itilde:"Ĩ",Iukcy:"І",Ium:"Ï",Iuml:"Ï",Jcirc:"Ĵ",Jcy:"Й",Jfr:"𝔍",Jopf:"𝕁",Jscr:"𝒥",Jsercy:"Ј",Jukcy:"Є",KHcy:"Х",KJcy:"Ќ",Kappa:"Κ",Kcedil:"Ķ",Kcy:"К",Kfr:"𝔎",Kopf:"𝕂",Kscr:"𝒦",LJcy:"Љ",L:"<",LT:"<",Lacute:"Ĺ",Lambda:"Λ",Lang:"⟪",Laplacetrf:"ℒ",Larr:"↞",Lcaron:"Ľ",Lcedil:"Ļ",Lcy:"Л",LeftAngleBracket:"⟨",LeftArrow:"←",LeftArrowBar:"⇤",LeftArrowRightArrow:"⇆",LeftCeiling:"⌈",LeftDoubleBracket:"⟦",LeftDownTeeVector:"⥡",LeftDownVector:"⇃",LeftDownVectorBar:"⥙",LeftFloor:"⌊",LeftRightArrow:"↔",LeftRightVector:"⥎",LeftTee:"⊣",LeftTeeArrow:"↤",LeftTeeVector:"⥚",LeftTriangle:"⊲",LeftTriangleBar:"⧏",LeftTriangleEqual:"⊴",LeftUpDownVector:"⥑",LeftUpTeeVector:"⥠",LeftUpVector:"↿",LeftUpVectorBar:"⥘",LeftVector:"↼",LeftVectorBar:"⥒",Leftarrow:"⇐",Leftrightarrow:"⇔",LessEqualGreater:"⋚",LessFullEqual:"≦",LessGreater:"≶",LessLess:"⪡",LessSlantEqual:"⩽",LessTilde:"≲",Lfr:"𝔏",Ll:"⋘",Lleftarrow:"⇚",Lmidot:"Ŀ",LongLeftArrow:"⟵",LongLeftRightArrow:"⟷",LongRightArrow:"⟶",Longleftarrow:"⟸",Longleftrightarrow:"⟺",Longrightarrow:"⟹",Lopf:"𝕃",LowerLeftArrow:"↙",LowerRightArrow:"↘",Lscr:"ℒ",Lsh:"↰",Lstrok:"Ł",Lt:"≪",Map:"⤅",Mcy:"М",MediumSpace:" ",Mellintrf:"ℳ",Mfr:"𝔐",MinusPlus:"∓",Mopf:"𝕄",Mscr:"ℳ",Mu:"Μ",NJcy:"Њ",Nacute:"Ń",Ncaron:"Ň",Ncedil:"Ņ",Ncy:"Н",NegativeMediumSpace:"​",NegativeThickSpace:"​",NegativeThinSpace:"​",NegativeVeryThinSpace:"​",NestedGreaterGreater:"≫",NestedLessLess:"≪",NewLine:"\n",Nfr:"𝔑",NoBreak:"⁠",NonBreakingSpace:" ",Nopf:"ℕ",Not:"⫬",NotCongruent:"≢",NotCupCap:"≭",NotDoubleVerticalBar:"∦",NotElement:"∉",NotEqual:"≠",NotEqualTilde:"≂̸",NotExists:"∄",NotGreater:"≯",NotGreaterEqual:"≱",NotGreaterFullEqual:"≧̸",NotGreaterGreater:"≫̸",NotGreaterLess:"≹",NotGreaterSlantEqual:"⩾̸",NotGreaterTilde:"≵",NotHumpDownHump:"≎̸",NotHumpEqual:"≏̸",NotLeftTriangle:"⋪",NotLeftTriangleBar:"⧏̸",NotLeftTriangleEqual:"⋬",NotLess:"≮",NotLessEqual:"≰",NotLessGreater:"≸",NotLessLess:"≪̸",NotLessSlantEqual:"⩽̸",NotLessTilde:"≴",NotNestedGreaterGreater:"⪢̸",NotNestedLessLess:"⪡̸",NotPrecedes:"⊀",NotPrecedesEqual:"⪯̸",NotPrecedesSlantEqual:"⋠",NotReverseElement:"∌",NotRightTriangle:"⋫",NotRightTriangleBar:"⧐̸",NotRightTriangleEqual:"⋭",NotSquareSubset:"⊏̸",NotSquareSubsetEqual:"⋢",NotSquareSuperset:"⊐̸",NotSquareSupersetEqual:"⋣",NotSubset:"⊂⃒",NotSubsetEqual:"⊈",NotSucceeds:"⊁",NotSucceedsEqual:"⪰̸",NotSucceedsSlantEqual:"⋡",NotSucceedsTilde:"≿̸",NotSuperset:"⊃⃒",NotSupersetEqual:"⊉",NotTilde:"≁",NotTildeEqual:"≄",NotTildeFullEqual:"≇",NotTildeTilde:"≉",NotVerticalBar:"∤",Nscr:"𝒩",Ntild:"Ñ",Ntilde:"Ñ",Nu:"Ν",OElig:"Œ",Oacut:"Ó",Oacute:"Ó",Ocir:"Ô",Ocirc:"Ô",Ocy:"О",Odblac:"Ő",Ofr:"𝔒",Ograv:"Ò",Ograve:"Ò",Omacr:"Ō",Omega:"Ω",Omicron:"Ο",Oopf:"𝕆",OpenCurlyDoubleQuote:"“",OpenCurlyQuote:"‘",Or:"⩔",Oscr:"𝒪",Oslas:"Ø",Oslash:"Ø",Otild:"Õ",Otilde:"Õ",Otimes:"⨷",Oum:"Ö",Ouml:"Ö",OverBar:"‾",OverBrace:"⏞",OverBracket:"⎴",OverParenthesis:"⏜",PartialD:"∂",Pcy:"П",Pfr:"𝔓",Phi:"Φ",Pi:"Π",PlusMinus:"±",Poincareplane:"ℌ",Popf:"ℙ",Pr:"⪻",Precedes:"≺",PrecedesEqual:"⪯",PrecedesSlantEqual:"≼",PrecedesTilde:"≾",Prime:"″",Product:"∏",Proportion:"∷",Proportional:"∝",Pscr:"𝒫",Psi:"Ψ",QUO:'"',QUOT:'"',Qfr:"𝔔",Qopf:"ℚ",Qscr:"𝒬",RBarr:"⤐",RE:"®",REG:"®",Racute:"Ŕ",Rang:"⟫",Rarr:"↠",Rarrtl:"⤖",Rcaron:"Ř",Rcedil:"Ŗ",Rcy:"Р",Re:"ℜ",ReverseElement:"∋",ReverseEquilibrium:"⇋",ReverseUpEquilibrium:"⥯",Rfr:"ℜ",Rho:"Ρ",RightAngleBracket:"⟩",RightArrow:"→",RightArrowBar:"⇥",RightArrowLeftArrow:"⇄",RightCeiling:"⌉",RightDoubleBracket:"⟧",RightDownTeeVector:"⥝",RightDownVector:"⇂",RightDownVectorBar:"⥕",RightFloor:"⌋",RightTee:"⊢",RightTeeArrow:"↦",RightTeeVector:"⥛",RightTriangle:"⊳",RightTriangleBar:"⧐",RightTriangleEqual:"⊵",RightUpDownVector:"⥏",RightUpTeeVector:"⥜",RightUpVector:"↾",RightUpVectorBar:"⥔",RightVector:"⇀",RightVectorBar:"⥓",Rightarrow:"⇒",Ropf:"ℝ",RoundImplies:"⥰",Rrightarrow:"⇛",Rscr:"ℛ",Rsh:"↱",RuleDelayed:"⧴",SHCHcy:"Щ",SHcy:"Ш",SOFTcy:"Ь",Sacute:"Ś",Sc:"⪼",Scaron:"Š",Scedil:"Ş",Scirc:"Ŝ",Scy:"С",Sfr:"𝔖",ShortDownArrow:"↓",ShortLeftArrow:"←",ShortRightArrow:"→",ShortUpArrow:"↑",Sigma:"Σ",SmallCircle:"∘",Sopf:"𝕊",Sqrt:"√",Square:"□",SquareIntersection:"⊓",SquareSubset:"⊏",SquareSubsetEqual:"⊑",SquareSuperset:"⊐",SquareSupersetEqual:"⊒",SquareUnion:"⊔",Sscr:"𝒮",Star:"⋆",Sub:"⋐",Subset:"⋐",SubsetEqual:"⊆",Succeeds:"≻",SucceedsEqual:"⪰",SucceedsSlantEqual:"≽",SucceedsTilde:"≿",SuchThat:"∋",Sum:"∑",Sup:"⋑",Superset:"⊃",SupersetEqual:"⊇",Supset:"⋑",THOR:"Þ",THORN:"Þ",TRADE:"™",TSHcy:"Ћ",TScy:"Ц",Tab:"\t",Tau:"Τ",Tcaron:"Ť",Tcedil:"Ţ",Tcy:"Т",Tfr:"𝔗",Therefore:"∴",Theta:"Θ",ThickSpace:"  ",ThinSpace:" ",Tilde:"∼",TildeEqual:"≃",TildeFullEqual:"≅",TildeTilde:"≈",Topf:"𝕋",TripleDot:"⃛",Tscr:"𝒯",Tstrok:"Ŧ",Uacut:"Ú",Uacute:"Ú",Uarr:"↟",Uarrocir:"⥉",Ubrcy:"Ў",Ubreve:"Ŭ",Ucir:"Û",Ucirc:"Û",Ucy:"У",Udblac:"Ű",Ufr:"𝔘",Ugrav:"Ù",Ugrave:"Ù",Umacr:"Ū",UnderBar:"_",UnderBrace:"⏟",UnderBracket:"⎵",UnderParenthesis:"⏝",Union:"⋃",UnionPlus:"⊎",Uogon:"Ų",Uopf:"𝕌",UpArrow:"↑",UpArrowBar:"⤒",UpArrowDownArrow:"⇅",UpDownArrow:"↕",UpEquilibrium:"⥮",UpTee:"⊥",UpTeeArrow:"↥",Uparrow:"⇑",Updownarrow:"⇕",UpperLeftArrow:"↖",UpperRightArrow:"↗",Upsi:"ϒ",Upsilon:"Υ",Uring:"Ů",Uscr:"𝒰",Utilde:"Ũ",Uum:"Ü",Uuml:"Ü",VDash:"⊫",Vbar:"⫫",Vcy:"В",Vdash:"⊩",Vdashl:"⫦",Vee:"⋁",Verbar:"‖",Vert:"‖",VerticalBar:"∣",VerticalLine:"|",VerticalSeparator:"❘",VerticalTilde:"≀",VeryThinSpace:" ",Vfr:"𝔙",Vopf:"𝕍",Vscr:"𝒱",Vvdash:"⊪",Wcirc:"Ŵ",Wedge:"⋀",Wfr:"𝔚",Wopf:"𝕎",Wscr:"𝒲",Xfr:"𝔛",Xi:"Ξ",Xopf:"𝕏",Xscr:"𝒳",YAcy:"Я",YIcy:"Ї",YUcy:"Ю",Yacut:"Ý",Yacute:"Ý",Ycirc:"Ŷ",Ycy:"Ы",Yfr:"𝔜",Yopf:"𝕐",Yscr:"𝒴",Yuml:"Ÿ",ZHcy:"Ж",Zacute:"Ź",Zcaron:"Ž",Zcy:"З",Zdot:"Ż",ZeroWidthSpace:"​",Zeta:"Ζ",Zfr:"ℨ",Zopf:"ℤ",Zscr:"𝒵",aacut:"á",aacute:"á",abreve:"ă",ac:"∾",acE:"∾̳",acd:"∿",acir:"â",acirc:"â",acut:"´",acute:"´",acy:"а",aeli:"æ",aelig:"æ",af:"⁡",afr:"𝔞",agrav:"à",agrave:"à",alefsym:"ℵ",aleph:"ℵ",alpha:"α",amacr:"ā",amalg:"⨿",am:"&",amp:"&",and:"∧",andand:"⩕",andd:"⩜",andslope:"⩘",andv:"⩚",ang:"∠",ange:"⦤",angle:"∠",angmsd:"∡",angmsdaa:"⦨",angmsdab:"⦩",angmsdac:"⦪",angmsdad:"⦫",angmsdae:"⦬",angmsdaf:"⦭",angmsdag:"⦮",angmsdah:"⦯",angrt:"∟",angrtvb:"⊾",angrtvbd:"⦝",angsph:"∢",angst:"Å",angzarr:"⍼",aogon:"ą",aopf:"𝕒",ap:"≈",apE:"⩰",apacir:"⩯",ape:"≊",apid:"≋",apos:"'",approx:"≈",approxeq:"≊",arin:"å",aring:"å",ascr:"𝒶",ast:"*",asymp:"≈",asympeq:"≍",atild:"ã",atilde:"ã",aum:"ä",auml:"ä",awconint:"∳",awint:"⨑",bNot:"⫭",backcong:"≌",backepsilon:"϶",backprime:"‵",backsim:"∽",backsimeq:"⋍",barvee:"⊽",barwed:"⌅",barwedge:"⌅",bbrk:"⎵",bbrktbrk:"⎶",bcong:"≌",bcy:"б",bdquo:"„",becaus:"∵",because:"∵",bemptyv:"⦰",bepsi:"϶",bernou:"ℬ",beta:"β",beth:"ℶ",between:"≬",bfr:"𝔟",bigcap:"⋂",bigcirc:"◯",bigcup:"⋃",bigodot:"⨀",bigoplus:"⨁",bigotimes:"⨂",bigsqcup:"⨆",bigstar:"★",bigtriangledown:"▽",bigtriangleup:"△",biguplus:"⨄",bigvee:"⋁",bigwedge:"⋀",bkarow:"⤍",blacklozenge:"⧫",blacksquare:"▪",blacktriangle:"▴",blacktriangledown:"▾",blacktriangleleft:"◂",blacktriangleright:"▸",blank:"␣",blk12:"▒",blk14:"░",blk34:"▓",block:"█",bne:"=⃥",bnequiv:"≡⃥",bnot:"⌐",bopf:"𝕓",bot:"⊥",bottom:"⊥",bowtie:"⋈",boxDL:"╗",boxDR:"╔",boxDl:"╖",boxDr:"╓",boxH:"═",boxHD:"╦",boxHU:"╩",boxHd:"╤",boxHu:"╧",boxUL:"╝",boxUR:"╚",boxUl:"╜",boxUr:"╙",boxV:"║",boxVH:"╬",boxVL:"╣",boxVR:"╠",boxVh:"╫",boxVl:"╢",boxVr:"╟",boxbox:"⧉",boxdL:"╕",boxdR:"╒",boxdl:"┐",boxdr:"┌",boxh:"─",boxhD:"╥",boxhU:"╨",boxhd:"┬",boxhu:"┴",boxminus:"⊟",boxplus:"⊞",boxtimes:"⊠",boxuL:"╛",boxuR:"╘",boxul:"┘",boxur:"└",boxv:"│",boxvH:"╪",boxvL:"╡",boxvR:"╞",boxvh:"┼",boxvl:"┤",boxvr:"├",bprime:"‵",breve:"˘",brvba:"¦",brvbar:"¦",bscr:"𝒷",bsemi:"⁏",bsim:"∽",bsime:"⋍",bsol:"\\",bsolb:"⧅",bsolhsub:"⟈",bull:"•",bullet:"•",bump:"≎",bumpE:"⪮",bumpe:"≏",bumpeq:"≏",cacute:"ć",cap:"∩",capand:"⩄",capbrcup:"⩉",capcap:"⩋",capcup:"⩇",capdot:"⩀",caps:"∩︀",caret:"⁁",caron:"ˇ",ccaps:"⩍",ccaron:"č",ccedi:"ç",ccedil:"ç",ccirc:"ĉ",ccups:"⩌",ccupssm:"⩐",cdot:"ċ",cedi:"¸",cedil:"¸",cemptyv:"⦲",cen:"¢",cent:"¢",centerdot:"·",cfr:"𝔠",chcy:"ч",check:"✓",checkmark:"✓",chi:"χ",cir:"○",cirE:"⧃",circ:"ˆ",circeq:"≗",circlearrowleft:"↺",circlearrowright:"↻",circledR:"®",circledS:"Ⓢ",circledast:"⊛",circledcirc:"⊚",circleddash:"⊝",cire:"≗",cirfnint:"⨐",cirmid:"⫯",cirscir:"⧂",clubs:"♣",clubsuit:"♣",colon:":",colone:"≔",coloneq:"≔",comma:",",commat:"@",comp:"∁",compfn:"∘",complement:"∁",complexes:"ℂ",cong:"≅",congdot:"⩭",conint:"∮",copf:"𝕔",coprod:"∐",cop:"©",copy:"©",copysr:"℗",crarr:"↵",cross:"✗",cscr:"𝒸",csub:"⫏",csube:"⫑",csup:"⫐",csupe:"⫒",ctdot:"⋯",cudarrl:"⤸",cudarrr:"⤵",cuepr:"⋞",cuesc:"⋟",cularr:"↶",cularrp:"⤽",cup:"∪",cupbrcap:"⩈",cupcap:"⩆",cupcup:"⩊",cupdot:"⊍",cupor:"⩅",cups:"∪︀",curarr:"↷",curarrm:"⤼",curlyeqprec:"⋞",curlyeqsucc:"⋟",curlyvee:"⋎",curlywedge:"⋏",curre:"¤",curren:"¤",curvearrowleft:"↶",curvearrowright:"↷",cuvee:"⋎",cuwed:"⋏",cwconint:"∲",cwint:"∱",cylcty:"⌭",dArr:"⇓",dHar:"⥥",dagger:"†",daleth:"ℸ",darr:"↓",dash:"‐",dashv:"⊣",dbkarow:"⤏",dblac:"˝",dcaron:"ď",dcy:"д",dd:"ⅆ",ddagger:"‡",ddarr:"⇊",ddotseq:"⩷",de:"°",deg:"°",delta:"δ",demptyv:"⦱",dfisht:"⥿",dfr:"𝔡",dharl:"⇃",dharr:"⇂",diam:"⋄",diamond:"⋄",diamondsuit:"♦",diams:"♦",die:"¨",digamma:"ϝ",disin:"⋲",div:"÷",divid:"÷",divide:"÷",divideontimes:"⋇",divonx:"⋇",djcy:"ђ",dlcorn:"⌞",dlcrop:"⌍",dollar:"$",dopf:"𝕕",dot:"˙",doteq:"≐",doteqdot:"≑",dotminus:"∸",dotplus:"∔",dotsquare:"⊡",doublebarwedge:"⌆",downarrow:"↓",downdownarrows:"⇊",downharpoonleft:"⇃",downharpoonright:"⇂",drbkarow:"⤐",drcorn:"⌟",drcrop:"⌌",dscr:"𝒹",dscy:"ѕ",dsol:"⧶",dstrok:"đ",dtdot:"⋱",dtri:"▿",dtrif:"▾",duarr:"⇵",duhar:"⥯",dwangle:"⦦",dzcy:"џ",dzigrarr:"⟿",eDDot:"⩷",eDot:"≑",eacut:"é",eacute:"é",easter:"⩮",ecaron:"ě",ecir:"ê",ecirc:"ê",ecolon:"≕",ecy:"э",edot:"ė",ee:"ⅇ",efDot:"≒",efr:"𝔢",eg:"⪚",egrav:"è",egrave:"è",egs:"⪖",egsdot:"⪘",el:"⪙",elinters:"⏧",ell:"ℓ",els:"⪕",elsdot:"⪗",emacr:"ē",empty:"∅",emptyset:"∅",emptyv:"∅",emsp13:" ",emsp14:" ",emsp:" ",eng:"ŋ",ensp:" ",eogon:"ę",eopf:"𝕖",epar:"⋕",eparsl:"⧣",eplus:"⩱",epsi:"ε",epsilon:"ε",epsiv:"ϵ",eqcirc:"≖",eqcolon:"≕",eqsim:"≂",eqslantgtr:"⪖",eqslantless:"⪕",equals:"=",equest:"≟",equiv:"≡",equivDD:"⩸",eqvparsl:"⧥",erDot:"≓",erarr:"⥱",escr:"ℯ",esdot:"≐",esim:"≂",eta:"η",et:"ð",eth:"ð",eum:"ë",euml:"ë",euro:"€",excl:"!",exist:"∃",expectation:"ℰ",exponentiale:"ⅇ",fallingdotseq:"≒",fcy:"ф",female:"♀",ffilig:"ffi",fflig:"ff",ffllig:"ffl",ffr:"𝔣",filig:"fi",fjlig:"fj",flat:"♭",fllig:"fl",fltns:"▱",fnof:"ƒ",fopf:"𝕗",forall:"∀",fork:"⋔",forkv:"⫙",fpartint:"⨍",frac1:"¼",frac12:"½",frac13:"⅓",frac14:"¼",frac15:"⅕",frac16:"⅙",frac18:"⅛",frac23:"⅔",frac25:"⅖",frac3:"¾",frac34:"¾",frac35:"⅗",frac38:"⅜",frac45:"⅘",frac56:"⅚",frac58:"⅝",frac78:"⅞",frasl:"⁄",frown:"⌢",fscr:"𝒻",gE:"≧",gEl:"⪌",gacute:"ǵ",gamma:"γ",gammad:"ϝ",gap:"⪆",gbreve:"ğ",gcirc:"ĝ",gcy:"г",gdot:"ġ",ge:"≥",gel:"⋛",geq:"≥",geqq:"≧",geqslant:"⩾",ges:"⩾",gescc:"⪩",gesdot:"⪀",gesdoto:"⪂",gesdotol:"⪄",gesl:"⋛︀",gesles:"⪔",gfr:"𝔤",gg:"≫",ggg:"⋙",gimel:"ℷ",gjcy:"ѓ",gl:"≷",glE:"⪒",gla:"⪥",glj:"⪤",gnE:"≩",gnap:"⪊",gnapprox:"⪊",gne:"⪈",gneq:"⪈",gneqq:"≩",gnsim:"⋧",gopf:"𝕘",grave:"`",gscr:"ℊ",gsim:"≳",gsime:"⪎",gsiml:"⪐",g:">",gt:">",gtcc:"⪧",gtcir:"⩺",gtdot:"⋗",gtlPar:"⦕",gtquest:"⩼",gtrapprox:"⪆",gtrarr:"⥸",gtrdot:"⋗",gtreqless:"⋛",gtreqqless:"⪌",gtrless:"≷",gtrsim:"≳",gvertneqq:"≩︀",gvnE:"≩︀",hArr:"⇔",hairsp:" ",half:"½",hamilt:"ℋ",hardcy:"ъ",harr:"↔",harrcir:"⥈",harrw:"↭",hbar:"ℏ",hcirc:"ĥ",hearts:"♥",heartsuit:"♥",hellip:"…",hercon:"⊹",hfr:"𝔥",hksearow:"⤥",hkswarow:"⤦",hoarr:"⇿",homtht:"∻",hookleftarrow:"↩",hookrightarrow:"↪",hopf:"𝕙",horbar:"―",hscr:"𝒽",hslash:"ℏ",hstrok:"ħ",hybull:"⁃",hyphen:"‐",iacut:"í",iacute:"í",ic:"⁣",icir:"î",icirc:"î",icy:"и",iecy:"е",iexc:"¡",iexcl:"¡",iff:"⇔",ifr:"𝔦",igrav:"ì",igrave:"ì",ii:"ⅈ",iiiint:"⨌",iiint:"∭",iinfin:"⧜",iiota:"℩",ijlig:"ij",imacr:"ī",image:"ℑ",imagline:"ℐ",imagpart:"ℑ",imath:"ı",imof:"⊷",imped:"Ƶ",in:"∈",incare:"℅",infin:"∞",infintie:"⧝",inodot:"ı",int:"∫",intcal:"⊺",integers:"ℤ",intercal:"⊺",intlarhk:"⨗",intprod:"⨼",iocy:"ё",iogon:"į",iopf:"𝕚",iota:"ι",iprod:"⨼",iques:"¿",iquest:"¿",iscr:"𝒾",isin:"∈",isinE:"⋹",isindot:"⋵",isins:"⋴",isinsv:"⋳",isinv:"∈",it:"⁢",itilde:"ĩ",iukcy:"і",ium:"ï",iuml:"ï",jcirc:"ĵ",jcy:"й",jfr:"𝔧",jmath:"ȷ",jopf:"𝕛",jscr:"𝒿",jsercy:"ј",jukcy:"є",kappa:"κ",kappav:"ϰ",kcedil:"ķ",kcy:"к",kfr:"𝔨",kgreen:"ĸ",khcy:"х",kjcy:"ќ",kopf:"𝕜",kscr:"𝓀",lAarr:"⇚",lArr:"⇐",lAtail:"⤛",lBarr:"⤎",lE:"≦",lEg:"⪋",lHar:"⥢",lacute:"ĺ",laemptyv:"⦴",lagran:"ℒ",lambda:"λ",lang:"⟨",langd:"⦑",langle:"⟨",lap:"⪅",laqu:"«",laquo:"«",larr:"←",larrb:"⇤",larrbfs:"⤟",larrfs:"⤝",larrhk:"↩",larrlp:"↫",larrpl:"⤹",larrsim:"⥳",larrtl:"↢",lat:"⪫",latail:"⤙",late:"⪭",lates:"⪭︀",lbarr:"⤌",lbbrk:"❲",lbrace:"{",lbrack:"[",lbrke:"⦋",lbrksld:"⦏",lbrkslu:"⦍",lcaron:"ľ",lcedil:"ļ",lceil:"⌈",lcub:"{",lcy:"л",ldca:"⤶",ldquo:"“",ldquor:"„",ldrdhar:"⥧",ldrushar:"⥋",ldsh:"↲",le:"≤",leftarrow:"←",leftarrowtail:"↢",leftharpoondown:"↽",leftharpoonup:"↼",leftleftarrows:"⇇",leftrightarrow:"↔",leftrightarrows:"⇆",leftrightharpoons:"⇋",leftrightsquigarrow:"↭",leftthreetimes:"⋋",leg:"⋚",leq:"≤",leqq:"≦",leqslant:"⩽",les:"⩽",lescc:"⪨",lesdot:"⩿",lesdoto:"⪁",lesdotor:"⪃",lesg:"⋚︀",lesges:"⪓",lessapprox:"⪅",lessdot:"⋖",lesseqgtr:"⋚",lesseqqgtr:"⪋",lessgtr:"≶",lesssim:"≲",lfisht:"⥼",lfloor:"⌊",lfr:"𝔩",lg:"≶",lgE:"⪑",lhard:"↽",lharu:"↼",lharul:"⥪",lhblk:"▄",ljcy:"љ",ll:"≪",llarr:"⇇",llcorner:"⌞",llhard:"⥫",lltri:"◺",lmidot:"ŀ",lmoust:"⎰",lmoustache:"⎰",lnE:"≨",lnap:"⪉",lnapprox:"⪉",lne:"⪇",lneq:"⪇",lneqq:"≨",lnsim:"⋦",loang:"⟬",loarr:"⇽",lobrk:"⟦",longleftarrow:"⟵",longleftrightarrow:"⟷",longmapsto:"⟼",longrightarrow:"⟶",looparrowleft:"↫",looparrowright:"↬",lopar:"⦅",lopf:"𝕝",loplus:"⨭",lotimes:"⨴",lowast:"∗",lowbar:"_",loz:"◊",lozenge:"◊",lozf:"⧫",lpar:"(",lparlt:"⦓",lrarr:"⇆",lrcorner:"⌟",lrhar:"⇋",lrhard:"⥭",lrm:"‎",lrtri:"⊿",lsaquo:"‹",lscr:"𝓁",lsh:"↰",lsim:"≲",lsime:"⪍",lsimg:"⪏",lsqb:"[",lsquo:"‘",lsquor:"‚",lstrok:"ł",l:"<",lt:"<",ltcc:"⪦",ltcir:"⩹",ltdot:"⋖",lthree:"⋋",ltimes:"⋉",ltlarr:"⥶",ltquest:"⩻",ltrPar:"⦖",ltri:"◃",ltrie:"⊴",ltrif:"◂",lurdshar:"⥊",luruhar:"⥦",lvertneqq:"≨︀",lvnE:"≨︀",mDDot:"∺",mac:"¯",macr:"¯",male:"♂",malt:"✠",maltese:"✠",map:"↦",mapsto:"↦",mapstodown:"↧",mapstoleft:"↤",mapstoup:"↥",marker:"▮",mcomma:"⨩",mcy:"м",mdash:"—",measuredangle:"∡",mfr:"𝔪",mho:"℧",micr:"µ",micro:"µ",mid:"∣",midast:"*",midcir:"⫰",middo:"·",middot:"·",minus:"−",minusb:"⊟",minusd:"∸",minusdu:"⨪",mlcp:"⫛",mldr:"…",mnplus:"∓",models:"⊧",mopf:"𝕞",mp:"∓",mscr:"𝓂",mstpos:"∾",mu:"μ",multimap:"⊸",mumap:"⊸",nGg:"⋙̸",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r.length}Readable.prototype.read=function(e){c("read",e);e=parseInt(e,10);var r=this._readableState;var t=e;if(e!==0)r.emittedReadable=false;if(e===0&&r.needReadable&&((r.highWaterMark!==0?r.length>=r.highWaterMark:r.length>0)||r.ended)){c("read: emitReadable",r.length,r.ended);if(r.length===0&&r.ended)endReadable(this);else emitReadable(this);return null}e=howMuchToRead(e,r);if(e===0&&r.ended){if(r.length===0)endReadable(this);return null}var n=r.needReadable;c("need readable",n);if(r.length===0||r.length-e0)i=fromList(e,r);else i=null;if(i===null){r.needReadable=true;e=0}else{r.length-=e;r.awaitDrain=0}if(r.length===0){if(!r.ended)r.needReadable=true;if(t!==e&&r.ended)endReadable(this)}if(i!==null)this.emit("data",i);return i};function onEofChunk(e,r){if(r.ended)return;if(r.decoder){var 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e=this._pendingWrites.get(c).cancelWait();if(e===g)return}this._watched.delete(t);this._watched.delete(n);const l=i?A:E;if(f&&!this._isIgnored(t))this._emit(l,t);if(!this.options.useFsEvents){this._closePath(t)}}_closePath(e){const r=this._closers.get(e);if(!r)return;r.forEach(e=>e());this._closers.delete(e);const t=u.dirname(e);this._getWatchedDir(t).remove(u.basename(e))}_addPathCloser(e,r){if(!r)return;let t=this._closers.get(e);if(!t){t=[];this._closers.set(e,t)}t.push(r)}_readdirp(e,r){if(this.closed)return;const t={type:D,alwaysStat:true,lstat:true,...r};let n=s(e,t);this._streams.add(n);n.once(y,()=>{n=undefined});n.once(F,()=>{if(n){this._streams.delete(n);n=undefined}});return n}}r.FSWatcher=FSWatcher;const ne=(e,r)=>{const t=new FSWatcher(r);t.add(e);return t};r.watch=ne},,,function(e,r,t){"use strict";const n=t(788);const i=t(508);const u=(e,r={})=>{let t=(e,u={})=>{let o=i.isInvalidBrace(u);let s=e.invalid===true&&r.escapeInvalid===true;let a=o===true||s===true;let 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l=construct();var p=toExpression(c);var h=/[\uD800-\uDBFF][\uDC00-\uDFFF]/g;var v=/[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g;function encode(e,r){var t=r||{};var n=t.subset;var i=n?toExpression(n):p;var u=t.escapeOnly;var o=t.omitOptionalSemicolons;e=e.replace(i,replace);if(n||u){return e}return e.replace(h,replaceSurrogatePair).replace(v,replace);function replaceSurrogatePair(e,r,t){return toHexReference((e.charCodeAt(0)-55296)*1024+e.charCodeAt(1)-56320+65536,t.charAt(r+2),o)}function replace(e,r,n){return one(e,n.charAt(r+1),t)}}function escape(e){return encode(e,{escapeOnly:true,useNamedReferences:true})}function one(e,r,t){var n=t.useShortestReferences;var i=t.omitOptionalSemicolons;var u;var o;var s;var a;if((n||t.useNamedReferences)&&f.call(l,e)){u=toNamed(l[e],r,i,t.attribute)}if(n||!u){o=e.charCodeAt(0);s=toHexReference(o,r,i);if(n){a=toDecimalReference(o,r,i);if(a.length"},{no:"Rfc",yes:"RFC"},{no:"[Rr][Ff][Cc]\\d+",yes:"RFC 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n=e;for(const e of Object.keys(t)){if(Array.isArray(t[e])){if(!(e in n)){throw new Error(`Unknown Chalk style: ${e}`)}if(t[e].length>0){n=n[e].apply(n,t[e])}else{n=n[e]}}}return n}e.exports=((e,t)=>{const n=[];const i=[];let u=[];t.replace(r,(r,t,o,s,a,f)=>{if(t){u.push(unescape(t))}else if(s){const r=u.join("");u=[];i.push(n.length===0?r:buildStyle(e,n)(r));n.push({inverse:o,styles:parseStyle(s)})}else if(a){if(n.length===0){throw new Error("Found extraneous } in Chalk template literal")}i.push(buildStyle(e,n)(u.join("")));u=[];n.pop()}else{u.push(f)}});i.push(u.join(""));if(n.length>0){const e=`Chalk template literal is missing ${n.length} closing bracket${n.length===1?"":"s"} (\`}\`)`;throw new Error(e)}return i.join("")})},function(e){"use strict";e.exports=factory;function factory(e){return tokenize;function tokenize(r,t){var n=this;var i=n.offset;var u=[];var o=n[e+"Methods"];var s=n[e+"Tokenizers"];var a=t.line;var f=t.column;var c;var l;var p;var h;var v;var D;if(!r){return u}eat.now=now;eat.file=n.file;updatePosition("");while(r){c=-1;l=o.length;v=false;while(++cu){return}if(!g||!f&&o.charAt(l+1)===i){return}c=o.length+1;d="";while(++l>0},ToUint32:function(e){return e>>>0}}}();var o=Math.LN2,s=Math.abs,a=Math.floor,f=Math.log,c=Math.min,l=Math.pow,p=Math.round;function configureProperties(e){if(v&&h){var r=v(e),t;for(t=0;ti)throw new RangeError("Array too large for polyfill");function makeArrayAccessor(r){h(e,r,{get:function(){return e._getter(r)},set:function(t){e._setter(r,t)},enumerable:true,configurable:false})}var r;for(r=0;r>t}function as_unsigned(e,r){var t=32-r;return e<>>t}function packI8(e){return[e&255]}function unpackI8(e){return as_signed(e[0],8)}function packU8(e){return[e&255]}function unpackU8(e){return as_unsigned(e[0],8)}function packU8Clamped(e){e=p(Number(e));return[e<0?0:e>255?255:e&255]}function packI16(e){return[e>>8&255,e&255]}function unpackI16(e){return as_signed(e[0]<<8|e[1],16)}function packU16(e){return[e>>8&255,e&255]}function unpackU16(e){return as_unsigned(e[0]<<8|e[1],16)}function packI32(e){return[e>>24&255,e>>16&255,e>>8&255,e&255]}function unpackI32(e){return as_signed(e[0]<<24|e[1]<<16|e[2]<<8|e[3],32)}function packU32(e){return[e>>24&255,e>>16&255,e>>8&255,e&255]}function unpackU32(e){return as_unsigned(e[0]<<24|e[1]<<16|e[2]<<8|e[3],32)}function packIEEE754(e,r,t){var n=(1<.5)return r+1;return r%2?r+1:r}if(e!==e){u=(1<=l(2,1-n)){u=c(a(f(e)/o),1023);p=roundToEven(e/l(2,u)*l(2,t));if(p/l(2,t)>=2){u=u+1;p=1}if(u>n){u=(1<>1}}n.reverse();s=n.join("");a=(1<0){return f*l(2,c-a)*(1+p/l(2,t))}else if(p!==0){return f*l(2,-(a-1))*(p/l(2,t))}else{return f<0?-0:0}}function unpackF64(e){return unpackIEEE754(e,11,52)}function packF64(e){return packIEEE754(e,11,52)}function unpackF32(e){return unpackIEEE754(e,8,23)}function packF32(e){return packIEEE754(e,8,23)}(function(){var e=function ArrayBuffer(e){e=u.ToInt32(e);if(e<0)throw new RangeError("ArrayBuffer size is not a small enough positive integer");this.byteLength=e;this._bytes=[];this._bytes.length=e;var r;for(r=0;rthis.buffer.byteLength){throw new RangeError("byteOffset out of range")}if(this.byteOffset%this.BYTES_PER_ELEMENT){throw new RangeError("ArrayBuffer length minus the byteOffset is not a multiple of the element size.")}if(arguments.length<3){this.byteLength=this.buffer.byteLength-this.byteOffset;if(this.byteLength%this.BYTES_PER_ELEMENT){throw new RangeError("length of buffer minus byteOffset not a multiple of the element size")}this.length=this.byteLength/this.BYTES_PER_ELEMENT}else{this.length=u.ToUint32(n);this.byteLength=this.length*this.BYTES_PER_ELEMENT}if(this.byteOffset+this.byteLength>this.buffer.byteLength){throw new RangeError("byteOffset and length reference an area beyond the end of the buffer")}}else{throw new TypeError("Unexpected argument type(s)")}this.constructor=s;configureProperties(this);makeArrayAccessors(this)};s.prototype=new r;s.prototype.BYTES_PER_ELEMENT=t;s.prototype._pack=i;s.prototype._unpack=o;s.BYTES_PER_ELEMENT=t;s.prototype._getter=function(e){if(arguments.length<1)throw new SyntaxError("Not enough arguments");e=u.ToUint32(e);if(e>=this.length){return n}var r=[],t,i;for(t=0,i=this.byteOffset+e*this.BYTES_PER_ELEMENT;t=this.length){return n}var t=this._pack(r),i,o;for(i=0,o=this.byteOffset+e*this.BYTES_PER_ELEMENT;ithis.length){throw new RangeError("Offset plus length of array is out of range")}c=this.byteOffset+i*this.BYTES_PER_ELEMENT;l=t.length*this.BYTES_PER_ELEMENT;if(t.buffer===this.buffer){p=[];for(s=0,a=t.byteOffset;sthis.length){throw new RangeError("Offset plus length of array is out of range")}for(s=0;st?t:e}e=u.ToInt32(e);r=u.ToInt32(r);if(arguments.length<1){e=0}if(arguments.length<2){r=this.length}if(e<0){e=this.length+e}if(r<0){r=this.length+r}e=clamp(e,0,this.length);r=clamp(r,0,this.length);var t=r-e;if(t<0){t=0}return new this.constructor(this.buffer,this.byteOffset+e*this.BYTES_PER_ELEMENT,t)};return s}var i=makeConstructor(1,packI8,unpackI8);var o=makeConstructor(1,packU8,unpackU8);var s=makeConstructor(1,packU8Clamped,unpackU8);var a=makeConstructor(2,packI16,unpackI16);var f=makeConstructor(2,packU16,unpackU16);var c=makeConstructor(4,packI32,unpackI32);var l=makeConstructor(4,packU32,unpackU32);var p=makeConstructor(4,packF32,unpackF32);var h=makeConstructor(8,packF64,unpackF64);t.Int8Array=t.Int8Array||i;t.Uint8Array=t.Uint8Array||o;t.Uint8ClampedArray=t.Uint8ClampedArray||s;t.Int16Array=t.Int16Array||a;t.Uint16Array=t.Uint16Array||f;t.Int32Array=t.Int32Array||c;t.Uint32Array=t.Uint32Array||l;t.Float32Array=t.Float32Array||p;t.Float64Array=t.Float64Array||h})();(function(){function r(e,r){return u.IsCallable(e.get)?e.get(r):e[r]}var e=function(){var e=new t.Uint16Array([4660]),n=new t.Uint8Array(e.buffer);return r(n,0)===18}();var n=function DataView(e,r,n){if(arguments.length===0){e=new t.ArrayBuffer(0)}else if(!(e instanceof t.ArrayBuffer||u.Class(e)==="ArrayBuffer")){throw new TypeError("TypeError")}this.buffer=e||new t.ArrayBuffer(0);this.byteOffset=u.ToUint32(r);if(this.byteOffset>this.buffer.byteLength){throw new RangeError("byteOffset out of range")}if(arguments.length<3){this.byteLength=this.buffer.byteLength-this.byteOffset}else{this.byteLength=u.ToUint32(n)}if(this.byteOffset+this.byteLength>this.buffer.byteLength){throw new RangeError("byteOffset and length reference an area beyond the end of the buffer")}configureProperties(this)};function makeGetter(n){return function(i,o){i=u.ToUint32(i);if(i+n.BYTES_PER_ELEMENT>this.byteLength){throw new RangeError("Array index out of range")}i+=this.byteOffset;var s=new t.Uint8Array(this.buffer,i,n.BYTES_PER_ELEMENT),a=[],f;for(f=0;fthis.byteLength){throw new RangeError("Array index out of range")}var a=new n([o]),f=new t.Uint8Array(a.buffer),c=[],l,p;for(l=0;l{let t=(e,i={})=>{let u=r.escapeInvalid&&n.isInvalidBrace(i);let o=e.invalid===true&&r.escapeInvalid===true;let s="";if(e.value){if((u||o)&&n.isOpenOrClose(e)){return"\\"+e.value}return e.value}if(e.value){return e.value}if(e.nodes){for(let r of e.nodes){s+=t(r)}}return s};return t(e)})},function(e){"use strict";e.exports=statistics;function statistics(e){var r={true:0,false:0,null:0};count(e);return{fatal:r.true,nonfatal:r.false+r.null,warn:r.false,info:r.null,total:r.true+r.false+r.null};function count(e){if(e){if(e[0]&&e[0].messages){countInAll(e)}else{countAll(e.messages||e)}}}function countInAll(e){var r=e.length;var t=-1;while(++t>10)+55296,(e-65536&1023)+56320)}var A=new Array(256);var C=new Array(256);for(var w=0;w<256;w++){A[w]=simpleEscapeSequence(w)?1:0;C[w]=simpleEscapeSequence(w)}function State(e,r){this.input=e;this.filename=r["filename"]||null;this.schema=r["schema"]||s;this.onWarning=r["onWarning"]||null;this.legacy=r["legacy"]||false;this.json=r["json"]||false;this.listener=r["listener"]||null;this.implicitTypes=this.schema.compiledImplicit;this.typeMap=this.schema.compiledTypeMap;this.length=e.length;this.position=0;this.line=0;this.lineStart=0;this.lineIndent=0;this.documents=[]}function generateError(e,r){return new i(r,new u(e.filename,e.input,e.position,e.line,e.position-e.lineStart))}function throwError(e,r){throw generateError(e,r)}function throwWarning(e,r){if(e.onWarning){e.onWarning.call(null,generateError(e,r))}}var y={YAML:function handleYamlDirective(e,r,t){var n,i,u;if(e.version!==null){throwError(e,"duplication of %YAML directive")}if(t.length!==1){throwError(e,"YAML directive accepts exactly one argument")}n=/^([0-9]+)\.([0-9]+)$/.exec(t[0]);if(n===null){throwError(e,"ill-formed argument of the YAML directive")}i=parseInt(n[1],10);u=parseInt(n[2],10);if(i!==1){throwError(e,"unacceptable YAML version of the document")}e.version=t[0];e.checkLineBreaks=u<2;if(u!==1&&u!==2){throwWarning(e,"unsupported YAML version of the document")}},TAG:function handleTagDirective(e,r,t){var n,i;if(t.length!==2){throwError(e,"TAG directive accepts exactly two arguments")}n=t[0];i=t[1];if(!E.test(n)){throwError(e,"ill-formed tag handle (first argument) of the TAG directive")}if(a.call(e.tagMap,n)){throwError(e,'there is a previously declared suffix for "'+n+'" tag handle')}if(!b.test(i)){throwError(e,"ill-formed tag prefix (second argument) of the TAG directive")}e.tagMap[n]=i}};function captureSegment(e,r,t,n){var i,u,o,s;if(r1){e.result+=n.repeat("\n",r-1)}}function readPlainScalar(e,r,t){var n,i,u,o,s,a,f,c,l=e.kind,p=e.result,h;h=e.input.charCodeAt(e.position);if(is_WS_OR_EOL(h)||is_FLOW_INDICATOR(h)||h===35||h===38||h===42||h===33||h===124||h===62||h===39||h===34||h===37||h===64||h===96){return false}if(h===63||h===45){i=e.input.charCodeAt(e.position+1);if(is_WS_OR_EOL(i)||t&&is_FLOW_INDICATOR(i)){return false}}e.kind="scalar";e.result="";u=o=e.position;s=false;while(h!==0){if(h===58){i=e.input.charCodeAt(e.position+1);if(is_WS_OR_EOL(i)||t&&is_FLOW_INDICATOR(i)){break}}else if(h===35){n=e.input.charCodeAt(e.position-1);if(is_WS_OR_EOL(n)){break}}else if(e.position===e.lineStart&&testDocumentSeparator(e)||t&&is_FLOW_INDICATOR(h)){break}else if(is_EOL(h)){a=e.line;f=e.lineStart;c=e.lineIndent;skipSeparationSpace(e,false,-1);if(e.lineIndent>=r){s=true;h=e.input.charCodeAt(e.position);continue}else{e.position=o;e.line=a;e.lineStart=f;e.lineIndent=c;break}}if(s){captureSegment(e,u,o,false);writeFoldedLines(e,e.line-a);u=o=e.position;s=false}if(!is_WHITE_SPACE(h)){o=e.position+1}h=e.input.charCodeAt(++e.position)}captureSegment(e,u,o,false);if(e.result){return true}e.kind=l;e.result=p;return false}function readSingleQuotedScalar(e,r){var t,n,i;t=e.input.charCodeAt(e.position);if(t!==39){return false}e.kind="scalar";e.result="";e.position++;n=i=e.position;while((t=e.input.charCodeAt(e.position))!==0){if(t===39){captureSegment(e,n,e.position,true);t=e.input.charCodeAt(++e.position);if(t===39){n=e.position;e.position++;i=e.position}else{return true}}else if(is_EOL(t)){captureSegment(e,n,i,true);writeFoldedLines(e,skipSeparationSpace(e,false,r));n=i=e.position}else if(e.position===e.lineStart&&testDocumentSeparator(e)){throwError(e,"unexpected end of the document within a single quoted scalar")}else{e.position++;i=e.position}}throwError(e,"unexpected end of the stream within a single quoted scalar")}function readDoubleQuotedScalar(e,r){var t,n,i,u,o,s;s=e.input.charCodeAt(e.position);if(s!==34){return false}e.kind="scalar";e.result="";e.position++;t=n=e.position;while((s=e.input.charCodeAt(e.position))!==0){if(s===34){captureSegment(e,t,e.position,true);e.position++;return true}else if(s===92){captureSegment(e,t,e.position,true);s=e.input.charCodeAt(++e.position);if(is_EOL(s)){skipSeparationSpace(e,false,r)}else if(s<256&&A[s]){e.result+=C[s];e.position++}else if((o=escapedHexLen(s))>0){i=o;u=0;for(;i>0;i--){s=e.input.charCodeAt(++e.position);if((o=fromHexCode(s))>=0){u=(u<<4)+o}else{throwError(e,"expected hexadecimal character")}}e.result+=charFromCodepoint(u);e.position++}else{throwError(e,"unknown escape sequence")}t=n=e.position}else if(is_EOL(s)){captureSegment(e,t,n,true);writeFoldedLines(e,skipSeparationSpace(e,false,r));t=n=e.position}else if(e.position===e.lineStart&&testDocumentSeparator(e)){throwError(e,"unexpected end of the document within a double quoted scalar")}else{e.position++;n=e.position}}throwError(e,"unexpected end of the stream within a double quoted scalar")}function readFlowCollection(e,r){var t=true,n,i=e.tag,u,o=e.anchor,s,a,c,l,p,h={},v,D,d,g;g=e.input.charCodeAt(e.position);if(g===91){a=93;p=false;u=[]}else if(g===123){a=125;p=true;u={}}else{return false}if(e.anchor!==null){e.anchorMap[e.anchor]=u}g=e.input.charCodeAt(++e.position);while(g!==0){skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if(g===a){e.position++;e.tag=i;e.anchor=o;e.kind=p?"mapping":"sequence";e.result=u;return true}else if(!t){throwError(e,"missed comma between flow collection entries")}D=v=d=null;c=l=false;if(g===63){s=e.input.charCodeAt(e.position+1);if(is_WS_OR_EOL(s)){c=l=true;e.position++;skipSeparationSpace(e,true,r)}}n=e.line;composeNode(e,r,f,false,true);D=e.tag;v=e.result;skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if((l||e.line===n)&&g===58){c=true;g=e.input.charCodeAt(++e.position);skipSeparationSpace(e,true,r);composeNode(e,r,f,false,true);d=e.result}if(p){storeMappingPair(e,u,h,D,v,d)}else if(c){u.push(storeMappingPair(e,null,h,D,v,d))}else{u.push(v)}skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if(g===44){t=true;g=e.input.charCodeAt(++e.position)}else{t=false}}throwError(e,"unexpected end of the stream within a flow collection")}function readBlockScalar(e,r){var t,i,u=h,o=false,s=false,a=r,f=0,c=false,l,p;p=e.input.charCodeAt(e.position);if(p===124){i=false}else if(p===62){i=true}else{return false}e.kind="scalar";e.result="";while(p!==0){p=e.input.charCodeAt(++e.position);if(p===43||p===45){if(h===u){u=p===43?D:v}else{throwError(e,"repeat of a chomping mode identifier")}}else if((l=fromDecimalCode(p))>=0){if(l===0){throwError(e,"bad explicit indentation width of a block scalar; it cannot be less than one")}else if(!s){a=r+l-1;s=true}else{throwError(e,"repeat of an indentation width identifier")}}else{break}}if(is_WHITE_SPACE(p)){do{p=e.input.charCodeAt(++e.position)}while(is_WHITE_SPACE(p));if(p===35){do{p=e.input.charCodeAt(++e.position)}while(!is_EOL(p)&&p!==0)}}while(p!==0){readLineBreak(e);e.lineIndent=0;p=e.input.charCodeAt(e.position);while((!s||e.lineIndenta){a=e.lineIndent}if(is_EOL(p)){f++;continue}if(e.lineIndentr)&&a!==0){throwError(e,"bad indentation of a sequence entry")}else if(e.lineIndentr){if(composeNode(e,r,p,true,i)){if(d){v=e.result}else{D=e.result}}if(!d){storeMappingPair(e,f,l,h,v,D,u,o);h=v=D=null}skipSeparationSpace(e,true,-1);m=e.input.charCodeAt(e.position)}if(e.lineIndent>r&&m!==0){throwError(e,"bad indentation of a mapping entry")}else if(e.lineIndentr){h=1}else if(e.lineIndent===r){h=0}else if(e.lineIndentr){h=1}else if(e.lineIndent===r){h=0}else if(e.lineIndent tag; it should be "'+m.kind+'", not "'+e.kind+'"')}if(!m.resolve(e.result)){throwError(e,"cannot resolve a node with !<"+e.tag+"> explicit tag")}else{e.result=m.construct(e.result);if(e.anchor!==null){e.anchorMap[e.anchor]=e.result}}}else{throwError(e,"unknown tag !<"+e.tag+">")}}if(e.listener!==null){e.listener("close",e)}return e.tag!==null||e.anchor!==null||D}function readDocument(e){var r=e.position,t,n,i,u=false,o;e.version=null;e.checkLineBreaks=e.legacy;e.tagMap={};e.anchorMap={};while((o=e.input.charCodeAt(e.position))!==0){skipSeparationSpace(e,true,-1);o=e.input.charCodeAt(e.position);if(e.lineIndent>0||o!==37){break}u=true;o=e.input.charCodeAt(++e.position);t=e.position;while(o!==0&&!is_WS_OR_EOL(o)){o=e.input.charCodeAt(++e.position)}n=e.input.slice(t,e.position);i=[];if(n.length<1){throwError(e,"directive name must not be less than one character in length")}while(o!==0){while(is_WHITE_SPACE(o)){o=e.input.charCodeAt(++e.position)}if(o===35){do{o=e.input.charCodeAt(++e.position)}while(o!==0&&!is_EOL(o));break}if(is_EOL(o))break;t=e.position;while(o!==0&&!is_WS_OR_EOL(o)){o=e.input.charCodeAt(++e.position)}i.push(e.input.slice(t,e.position))}if(o!==0)readLineBreak(e);if(a.call(y,n)){y[n](e,n,i)}else{throwWarning(e,'unknown document directive "'+n+'"')}}skipSeparationSpace(e,true,-1);if(e.lineIndent===0&&e.input.charCodeAt(e.position)===45&&e.input.charCodeAt(e.position+1)===45&&e.input.charCodeAt(e.position+2)===45){e.position+=3;skipSeparationSpace(e,true,-1)}else if(u){throwError(e,"directives end mark is expected")}composeNode(e,e.lineIndent-1,p,false,true);skipSeparationSpace(e,true,-1);if(e.checkLineBreaks&&g.test(e.input.slice(r,e.position))){throwWarning(e,"non-ASCII line breaks are interpreted as 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n=0;if(t.nonegate)return;for(var i=0,u=e.length;i1024*64){throw new TypeError("pattern is too long")}var t=this.options;if(!t.noglobstar&&e==="**")return i;if(e==="")return"";var n="";var u=!!t.nocase;var f=false;var c=[];var p=[];var v;var D=false;var d=-1;var g=-1;var m=e.charAt(0)==="."?"":t.dot?"(?!(?:^|\\/)\\.{1,2}(?:$|\\/))":"(?!\\.)";var E=this;function clearStateChar(){if(v){switch(v){case"*":n+=a;u=true;break;case"?":n+=s;u=true;break;default:n+="\\"+v;break}E.debug("clearStateChar %j %j",v,n);v=false}}for(var b=0,A=e.length,C;b-1;O--){var x=p[O];var k=n.slice(0,x.reStart);var R=n.slice(x.reStart,x.reEnd-8);var T=n.slice(x.reEnd-8,x.reEnd);var I=n.slice(x.reEnd);T+=I;var L=k.split("(").length-1;var M=I;for(b=0;b=0;o--){u=e[o];if(u)break}for(o=0;o>> no match, partial?",e,l,r,p);if(l===s)return true}return false}var v;if(typeof f==="string"){if(n.nocase){v=c.toLowerCase()===f.toLowerCase()}else{v=c===f}this.debug("string match",f,c,v)}else{v=c.match(f);this.debug("pattern 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t,n,i,u,o,s,f;if(r===null)return{};t={};n=Object.keys(r);for(i=0,u=n.length;in&&e[l+1]!==" ";l=u}}else if(!isPrintable(o)){return j}p=p&&isPlainSafe(o)}a=a||f&&(u-l-1>n&&e[l+1]!==" ")}if(!s&&!a){return p&&!i(e)?T:I}if(t>9&&needIndentIndicator(e)){return j}return a?M:L}function writeScalar(e,r,t,n){e.dump=function(){if(r.length===0){return"''"}if(!e.noCompatMode&&R.indexOf(r)!==-1){return"'"+r+"'"}var u=e.indent*Math.max(1,t);var o=e.lineWidth===-1?-1:Math.max(Math.min(e.lineWidth,40),e.lineWidth-u);var s=n||e.flowLevel>-1&&t>=e.flowLevel;function testAmbiguity(r){return testImplicitResolving(e,r)}switch(chooseScalarStyle(r,s,e.indent,o,testAmbiguity)){case T:return r;case I:return"'"+r.replace(/'/g,"''")+"'";case L:return"|"+blockHeader(r,e.indent)+dropEndingNewline(indentString(r,u));case M:return">"+blockHeader(r,e.indent)+dropEndingNewline(indentString(foldString(r,o),u));case j:return'"'+escapeString(r,o)+'"';default:throw new i("impossible error: invalid scalar 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u=0;u=55296&&t<=56319){n=e.charCodeAt(u+1);if(n>=56320&&n<=57343){r+=encodeHex((t-55296)*1024+n-56320+65536);u++;continue}}i=k[t];r+=!i&&isPrintable(t)?e[u]:i||encodeHex(t)}return r}function writeFlowSequence(e,r,t){var n="",i=e.tag,u,o;for(u=0,o=t.length;u1024)c+="? ";c+=e.dump+(e.condenseFlow?'"':"")+":"+(e.condenseFlow?"":" ");if(!writeNode(e,r,f,false,false)){continue}c+=e.dump;n+=c}e.tag=i;e.dump="{"+n+"}"}function writeBlockMapping(e,r,t,n){var u="",o=e.tag,s=Object.keys(t),a,f,l,p,h,v;if(e.sortKeys===true){s.sort()}else if(typeof e.sortKeys==="function"){s.sort(e.sortKeys)}else if(e.sortKeys){throw new i("sortKeys must be a boolean or a function")}for(a=0,f=s.length;a1024;if(h){if(e.dump&&c===e.dump.charCodeAt(0)){v+="?"}else{v+="? 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r={modifier:{reset:[0,0],bold:[1,22],dim:[2,22],italic:[3,23],underline:[4,24],inverse:[7,27],hidden:[8,28],strikethrough:[9,29]},color:{black:[30,39],red:[31,39],green:[32,39],yellow:[33,39],blue:[34,39],magenta:[35,39],cyan:[36,39],white:[37,39],gray:[90,39],redBright:[91,39],greenBright:[92,39],yellowBright:[93,39],blueBright:[94,39],magentaBright:[95,39],cyanBright:[96,39],whiteBright:[97,39]},bgColor:{bgBlack:[40,49],bgRed:[41,49],bgGreen:[42,49],bgYellow:[43,49],bgBlue:[44,49],bgMagenta:[45,49],bgCyan:[46,49],bgWhite:[47,49],bgBlackBright:[100,49],bgRedBright:[101,49],bgGreenBright:[102,49],bgYellowBright:[103,49],bgBlueBright:[104,49],bgMagentaBright:[105,49],bgCyanBright:[106,49],bgWhiteBright:[107,49]}};r.color.grey=r.color.gray;for(const t of Object.keys(r)){const n=r[t];for(const t of Object.keys(n)){const i=n[t];r[t]={open:`[${i[0]}m`,close:`[${i[1]}m`};n[t]=r[t];e.set(i[0],i[1])}Object.defineProperty(r,t,{value:n,enumerable:false});Object.defineProperty(r,"codes",{value:e,enumerable:false})}const t=e=>e;const s=(e,r,t)=>[e,r,t];r.color.close="";r.bgColor.close="";r.color.ansi={ansi:i(t,0)};r.color.ansi256={ansi256:u(t,0)};r.color.ansi16m={rgb:o(s,0)};r.bgColor.ansi={ansi:i(t,10)};r.bgColor.ansi256={ansi256:u(t,10)};r.bgColor.ansi16m={rgb:o(s,10)};for(let e of Object.keys(n)){if(typeof n[e]!=="object"){continue}const t=n[e];if(e==="ansi16"){e="ansi"}if("ansi16"in t){r.color.ansi[e]=i(t.ansi16,0);r.bgColor.ansi[e]=i(t.ansi16,10)}if("ansi256"in t){r.color.ansi256[e]=u(t.ansi256,0);r.bgColor.ansi256[e]=u(t.ansi256,10)}if("rgb"in t){r.color.ansi16m[e]=o(t.rgb,0);r.bgColor.ansi16m[e]=o(t.rgb,10)}}return r}Object.defineProperty(e,"exports",{enumerable:true,get:assembleStyles})},function(e,r,t){"use strict";var n=t(250);var i=t(608);var u=t(623);var o=t(754);var s=t(105);var a=t(973);e.exports=options;var f={unknown:handleUnknownArgument,default:{},alias:{},string:[],boolean:[]};a.forEach(addEach);function options(e,r){var t=r.extensions[0];var n=r.name;var i=toCamelCase(u(e,f));var o;var c;var l;a.forEach(function(e){if(e.type==="string"&&i[e.long]===""){throw s("Missing value:%s",inspect(e).join(" "))}});c=commaSeparated(i.ext);l=reporter(i.report);o=[inspectAll(a),"","Examples:",""," # Process `input."+t+"`"," $ "+n+" input."+t+" -o output."+t,""," # Pipe"," $ "+n+" < input."+t+" > output."+t,""," # Rewrite all applicable files"," $ "+n+" . 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r}function reporter(e){var r=normalize(e).map(splitOptions).map(function(e){return[e[0],e[1]?parseConfig(e[1],{}):null]});return r[r.length-1]||[]}function settings(e){var r={};normalize(e).forEach(function(e){parseConfig(e,r)});return r}function parseConfig(e,r){var t;var n;try{e=toCamelCase(parseJSON(e))}catch(r){n=r.message.replace(/at(?= position)/,"around");throw s("Cannot parse `%s` as JSON: %s",e,n)}for(t in e){r[t]=e[t]}return r}function handleUnknownArgument(e){if(e.charAt(0)!=="-"){return}if(e.charAt(1)==="-"){throw s("Unknown option `%s`, expected:\n%s",e,inspectAll(a))}e.slice(1).split("").forEach(each);function each(e){var r=a.length;var t=-1;var n;while(++t{if(typeof r==="string"){t=r;r=null}try{try{return JSON.parse(e,r)}catch(t){i(e,r);throw t}}catch(e){e.message=e.message.replace(/\n/g,"");const r=new u(e);if(t){r.fileName=t}throw r}})},,function(e,r,t){"use strict";var n=t(279);e.exports=enter;function enter(e,r){var t=e.encode;var i=e.escape;var 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false};e.exports=r;e.exports.default=r},function(e){e.exports={nbsp:" ",iexcl:"¡",cent:"¢",pound:"£",curren:"¤",yen:"¥",brvbar:"¦",sect:"§",uml:"¨",copy:"©",ordf:"ª",laquo:"«",not:"¬",shy:"­",reg:"®",macr:"¯",deg:"°",plusmn:"±",sup2:"²",sup3:"³",acute:"´",micro:"µ",para:"¶",middot:"·",cedil:"¸",sup1:"¹",ordm:"º",raquo:"»",frac14:"¼",frac12:"½",frac34:"¾",iquest:"¿",Agrave:"À",Aacute:"Á",Acirc:"Â",Atilde:"Ã",Auml:"Ä",Aring:"Å",AElig:"Æ",Ccedil:"Ç",Egrave:"È",Eacute:"É",Ecirc:"Ê",Euml:"Ë",Igrave:"Ì",Iacute:"Í",Icirc:"Î",Iuml:"Ï",ETH:"Ð",Ntilde:"Ñ",Ograve:"Ò",Oacute:"Ó",Ocirc:"Ô",Otilde:"Õ",Ouml:"Ö",times:"×",Oslash:"Ø",Ugrave:"Ù",Uacute:"Ú",Ucirc:"Û",Uuml:"Ü",Yacute:"Ý",THORN:"Þ",szlig:"ß",agrave:"à",aacute:"á",acirc:"â",atilde:"ã",auml:"ä",aring:"å",aelig:"æ",ccedil:"ç",egrave:"è",eacute:"é",ecirc:"ê",euml:"ë",igrave:"ì",iacute:"í",icirc:"î",iuml:"ï",eth:"ð",ntilde:"ñ",ograve:"ò",oacute:"ó",ocirc:"ô",otilde:"õ",ouml:"ö",divide:"÷",oslash:"ø",ugrave:"ù",uacute:"ú",ucirc:"û",uuml:"ü",yacute:"ý",thorn:"þ",yuml:"ÿ",fnof:"ƒ",Alpha:"Α",Beta:"Β",Gamma:"Γ",Delta:"Δ",Epsilon:"Ε",Zeta:"Ζ",Eta:"Η",Theta:"Θ",Iota:"Ι",Kappa:"Κ",Lambda:"Λ",Mu:"Μ",Nu:"Ν",Xi:"Ξ",Omicron:"Ο",Pi:"Π",Rho:"Ρ",Sigma:"Σ",Tau:"Τ",Upsilon:"Υ",Phi:"Φ",Chi:"Χ",Psi:"Ψ",Omega:"Ω",alpha:"α",beta:"β",gamma:"γ",delta:"δ",epsilon:"ε",zeta:"ζ",eta:"η",theta:"θ",iota:"ι",kappa:"κ",lambda:"λ",mu:"μ",nu:"ν",xi:"ξ",omicron:"ο",pi:"π",rho:"ρ",sigmaf:"ς",sigma:"σ",tau:"τ",upsilon:"υ",phi:"φ",chi:"χ",psi:"ψ",omega:"ω",thetasym:"ϑ",upsih:"ϒ",piv:"ϖ",bull:"•",hellip:"…",prime:"′",Prime:"″",oline:"‾",frasl:"⁄",weierp:"℘",image:"ℑ",real:"ℜ",trade:"™",alefsym:"ℵ",larr:"←",uarr:"↑",rarr:"→",darr:"↓",harr:"↔",crarr:"↵",lArr:"⇐",uArr:"⇑",rArr:"⇒",dArr:"⇓",hArr:"⇔",forall:"∀",part:"∂",exist:"∃",empty:"∅",nabla:"∇",isin:"∈",notin:"∉",ni:"∋",prod:"∏",sum:"∑",minus:"−",lowast:"∗",radic:"√",prop:"∝",infin:"∞",ang:"∠",and:"∧",or:"∨",cap:"∩",cup:"∪",int:"∫",there4:"∴",sim:"∼",cong:"≅",asymp:"≈",ne:"≠",equiv:"≡",le:"≤",ge:"≥",sub:"⊂",sup:"⊃",nsub:"⊄",sube:"⊆",supe:"⊇",oplus:"⊕",otimes:"⊗",perp:"⊥",sdot:"⋅",lceil:"⌈",rceil:"⌉",lfloor:"⌊",rfloor:"⌋",lang:"〈",rang:"〉",loz:"◊",spades:"♠",clubs:"♣",hearts:"♥",diams:"♦",quot:'"',amp:"&",lt:"<",gt:">",OElig:"Œ",oelig:"œ",Scaron:"Š",scaron:"š",Yuml:"Ÿ",circ:"ˆ",tilde:"˜",ensp:" ",emsp:" ",thinsp:" ",zwnj:"‌",zwj:"‍",lrm:"‎",rlm:"‏",ndash:"–",mdash:"—",lsquo:"‘",rsquo:"’",sbquo:"‚",ldquo:"“",rdquo:"”",bdquo:"„",dagger:"†",Dagger:"‡",permil:"‰",lsaquo:"‹",rsaquo:"›",euro:"€"}},function(e,r,t){"use 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homedir(){var e=process.env;var r=e.HOME;var t=e.LOGNAME||e.USER||e.LNAME||e.USERNAME;if(process.platform==="win32"){return e.USERPROFILE||e.HOMEDRIVE+e.HOMEPATH||r||null}if(process.platform==="darwin"){return r||(t?"/Users/"+t:null)}if(process.platform==="linux"){return r||(process.getuid()===0?"/root":t?"/home/"+t:null)}return r||null}e.exports=typeof n.homedir==="function"?n.homedir:homedir},,,function(e,r,t){"use strict";var n=t(812);var i=t(51);e.exports=toVFile;function toVFile(e){if(typeof e==="string"||n(e)){e={path:String(e)}}return i(e)}},function(e,r,t){"use strict";var n=t(591);e.exports=VMessage;function VMessagePrototype(){}VMessagePrototype.prototype=Error.prototype;VMessage.prototype=new VMessagePrototype;var i=VMessage.prototype;i.file="";i.name="";i.reason="";i.message="";i.stack="";i.fatal=null;i.column=null;i.line=null;function VMessage(e,r,t){var i;var u;var o;if(typeof 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a={entities:{true:true,false:true,numbers:true,escape:true},bullet:{"*":true,"-":true,"+":true},rule:{"-":true,_:true,"*":true},listItemIndent:{tab:true,mixed:true,1:true},emphasis:{_:true,"*":true},strong:{_:true,"*":true},fence:{"`":true,"~":true}};var f={boolean:validateBoolean,string:validateString,number:validateNumber,function:validateFunction};function setOptions(e){var r=this;var t=r.options;var i;var s;if(e==null){e={}}else if(typeof e==="object"){e=n(e)}else{throw new Error("Invalid value `"+e+"` for setting `options`")}for(s in u){f[typeof u[s]](e,s,t[s],a[s])}i=e.ruleRepetition;if(i&&i<3){raise(i,"options.ruleRepetition")}r.encode=encodeFactory(String(e.entities));r.escape=o(e);r.options=e;return r}function validateBoolean(e,r,t){var n=e[r];if(n==null){n=t}if(typeof n!=="boolean"){raise(n,"options."+r)}e[r]=n}function validateNumber(e,r,t){var n=e[r];if(n==null){n=t}if(isNaN(n)){raise(n,"options."+r)}e[r]=n}function validateString(e,r,t,n){var i=e[r];if(i==null){i=t}i=String(i);if(!(i in n)){raise(i,"options."+r)}e[r]=i}function validateFunction(e,r,t){var n=e[r];if(n==null){n=t}if(typeof n!=="function"){raise(n,"options."+r)}e[r]=n}function encodeFactory(e){var r={};if(e==="false"){return s}if(e==="true"){r.useNamedReferences=true}if(e==="escape"){r.escapeOnly=true;r.useNamedReferences=true}return wrapped;function wrapped(e){return i(e,r)}}function raise(e,r){throw new Error("Invalid value `"+e+"` for setting `"+r+"`")}},,,function(e){e.exports=require("module")},function(e){e.exports={AEli:"Æ",AElig:"Æ",AM:"&",AMP:"&",Aacut:"Á",Aacute:"Á",Abreve:"Ă",Acir:"Â",Acirc:"Â",Acy:"А",Afr:"𝔄",Agrav:"À",Agrave:"À",Alpha:"Α",Amacr:"Ā",And:"⩓",Aogon:"Ą",Aopf:"𝔸",ApplyFunction:"⁡",Arin:"Å",Aring:"Å",Ascr:"𝒜",Assign:"≔",Atild:"Ã",Atilde:"Ã",Aum:"Ä",Auml:"Ä",Backslash:"∖",Barv:"⫧",Barwed:"⌆",Bcy:"Б",Because:"∵",Bernoullis:"ℬ",Beta:"Β",Bfr:"𝔅",Bopf:"𝔹",Breve:"˘",Bscr:"ℬ",Bumpeq:"≎",CHcy:"Ч",COP:"©",COPY:"©",Cacute:"Ć",Cap:"⋒",CapitalDifferentialD:"ⅅ",Cayleys:"ℭ",Ccaron:"Č",Ccedi:"Ç",Ccedil:"Ç",Ccirc:"Ĉ",Cconint:"∰",Cdot:"Ċ",Cedilla:"¸",CenterDot:"·",Cfr:"ℭ",Chi:"Χ",CircleDot:"⊙",CircleMinus:"⊖",CirclePlus:"⊕",CircleTimes:"⊗",ClockwiseContourIntegral:"∲",CloseCurlyDoubleQuote:"”",CloseCurlyQuote:"’",Colon:"∷",Colone:"⩴",Congruent:"≡",Conint:"∯",ContourIntegral:"∮",Copf:"ℂ",Coproduct:"∐",CounterClockwiseContourIntegral:"∳",Cross:"⨯",Cscr:"𝒞",Cup:"⋓",CupCap:"≍",DD:"ⅅ",DDotrahd:"⤑",DJcy:"Ђ",DScy:"Ѕ",DZcy:"Џ",Dagger:"‡",Darr:"↡",Dashv:"⫤",Dcaron:"Ď",Dcy:"Д",Del:"∇",Delta:"Δ",Dfr:"𝔇",DiacriticalAcute:"´",DiacriticalDot:"˙",DiacriticalDoubleAcute:"˝",DiacriticalGrave:"`",DiacriticalTilde:"˜",Diamond:"⋄",DifferentialD:"ⅆ",Dopf:"𝔻",Dot:"¨",DotDot:"⃜",DotEqual:"≐",DoubleContourIntegral:"∯",DoubleDot:"¨",DoubleDownArrow:"⇓",DoubleLeftArrow:"⇐",DoubleLeftRightArrow:"⇔",DoubleLeftTee:"⫤",DoubleLongLeftArrow:"⟸",DoubleLongLeftRightArrow:"⟺",DoubleLongRightArrow:"⟹",DoubleRightArrow:"⇒",DoubleRightTee:"⊨",DoubleUpArrow:"⇑",DoubleUpDownArrow:"⇕",DoubleVerticalBar:"∥",DownArrow:"↓",DownArrowBar:"⤓",DownArrowUpArrow:"⇵",DownBreve:"̑",DownLeftRightVector:"⥐",DownLeftTeeVector:"⥞",DownLeftVector:"↽",DownLeftVectorBar:"⥖",DownRightTeeVector:"⥟",DownRightVector:"⇁",DownRightVectorBar:"⥗",DownTee:"⊤",DownTeeArrow:"↧",Downarrow:"⇓",Dscr:"𝒟",Dstrok:"Đ",ENG:"Ŋ",ET:"Ð",ETH:"Ð",Eacut:"É",Eacute:"É",Ecaron:"Ě",Ecir:"Ê",Ecirc:"Ê",Ecy:"Э",Edot:"Ė",Efr:"𝔈",Egrav:"È",Egrave:"È",Element:"∈",Emacr:"Ē",EmptySmallSquare:"◻",EmptyVerySmallSquare:"▫",Eogon:"Ę",Eopf:"𝔼",Epsilon:"Ε",Equal:"⩵",EqualTilde:"≂",Equilibrium:"⇌",Escr:"ℰ",Esim:"⩳",Eta:"Η",Eum:"Ë",Euml:"Ë",Exists:"∃",ExponentialE:"ⅇ",Fcy:"Ф",Ffr:"𝔉",FilledSmallSquare:"◼",FilledVerySmallSquare:"▪",Fopf:"𝔽",ForAll:"∀",Fouriertrf:"ℱ",Fscr:"ℱ",GJcy:"Ѓ",G:">",GT:">",Gamma:"Γ",Gammad:"Ϝ",Gbreve:"Ğ",Gcedil:"Ģ",Gcirc:"Ĝ",Gcy:"Г",Gdot:"Ġ",Gfr:"𝔊",Gg:"⋙",Gopf:"𝔾",GreaterEqual:"≥",GreaterEqualLess:"⋛",GreaterFullEqual:"≧",GreaterGreater:"⪢",GreaterLess:"≷",GreaterSlantEqual:"⩾",GreaterTilde:"≳",Gscr:"𝒢",Gt:"≫",HARDcy:"Ъ",Hacek:"ˇ",Hat:"^",Hcirc:"Ĥ",Hfr:"ℌ",HilbertSpace:"ℋ",Hopf:"ℍ",HorizontalLine:"─",Hscr:"ℋ",Hstrok:"Ħ",HumpDownHump:"≎",HumpEqual:"≏",IEcy:"Е",IJlig:"IJ",IOcy:"Ё",Iacut:"Í",Iacute:"Í",Icir:"Î",Icirc:"Î",Icy:"И",Idot:"İ",Ifr:"ℑ",Igrav:"Ì",Igrave:"Ì",Im:"ℑ",Imacr:"Ī",ImaginaryI:"ⅈ",Implies:"⇒",Int:"∬",Integral:"∫",Intersection:"⋂",InvisibleComma:"⁣",InvisibleTimes:"⁢",Iogon:"Į",Iopf:"𝕀",Iota:"Ι",Iscr:"ℐ",Itilde:"Ĩ",Iukcy:"І",Ium:"Ï",Iuml:"Ï",Jcirc:"Ĵ",Jcy:"Й",Jfr:"𝔍",Jopf:"𝕁",Jscr:"𝒥",Jsercy:"Ј",Jukcy:"Є",KHcy:"Х",KJcy:"Ќ",Kappa:"Κ",Kcedil:"Ķ",Kcy:"К",Kfr:"𝔎",Kopf:"𝕂",Kscr:"𝒦",LJcy:"Љ",L:"<",LT:"<",Lacute:"Ĺ",Lambda:"Λ",Lang:"⟪",Laplacetrf:"ℒ",Larr:"↞",Lcaron:"Ľ",Lcedil:"Ļ",Lcy:"Л",LeftAngleBracket:"⟨",LeftArrow:"←",LeftArrowBar:"⇤",LeftArrowRightArrow:"⇆",LeftCeiling:"⌈",LeftDoubleBracket:"⟦",LeftDownTeeVector:"⥡",LeftDownVector:"⇃",LeftDownVectorBar:"⥙",LeftFloor:"⌊",LeftRightArrow:"↔",LeftRightVector:"⥎",LeftTee:"⊣",LeftTeeArrow:"↤",LeftTeeVector:"⥚",LeftTriangle:"⊲",LeftTriangleBar:"⧏",LeftTriangleEqual:"⊴",LeftUpDownVector:"⥑",LeftUpTeeVector:"⥠",LeftUpVector:"↿",LeftUpVectorBar:"⥘",LeftVector:"↼",LeftVectorBar:"⥒",Leftarrow:"⇐",Leftrightarrow:"⇔",LessEqualGreater:"⋚",LessFullEqual:"≦",LessGreater:"≶",LessLess:"⪡",LessSlantEqual:"⩽",LessTilde:"≲",Lfr:"𝔏",Ll:"⋘",Lleftarrow:"⇚",Lmidot:"Ŀ",LongLeftArrow:"⟵",LongLeftRightArrow:"⟷",LongRightArrow:"⟶",Longleftarrow:"⟸",Longleftrightarrow:"⟺",Longrightarrow:"⟹",Lopf:"𝕃",LowerLeftArrow:"↙",LowerRightArrow:"↘",Lscr:"ℒ",Lsh:"↰",Lstrok:"Ł",Lt:"≪",Map:"⤅",Mcy:"М",MediumSpace:" ",Mellintrf:"ℳ",Mfr:"𝔐",MinusPlus:"∓",Mopf:"𝕄",Mscr:"ℳ",Mu:"Μ",NJcy:"Њ",Nacute:"Ń",Ncaron:"Ň",Ncedil:"Ņ",Ncy:"Н",NegativeMediumSpace:"​",NegativeThickSpace:"​",NegativeThinSpace:"​",NegativeVeryThinSpace:"​",NestedGreaterGreater:"≫",NestedLessLess:"≪",NewLine:"\n",Nfr:"𝔑",NoBreak:"⁠",NonBreakingSpace:" ",Nopf:"ℕ",Not:"⫬",NotCongruent:"≢",NotCupCap:"≭",NotDoubleVerticalBar:"∦",NotElement:"∉",NotEqual:"≠",NotEqualTilde:"≂̸",NotExists:"∄",NotGreater:"≯",NotGreaterEqual:"≱",NotGreaterFullEqual:"≧̸",NotGreaterGreater:"≫̸",NotGreaterLess:"≹",NotGreaterSlantEqual:"⩾̸",NotGreaterTilde:"≵",NotHumpDownHump:"≎̸",NotHumpEqual:"≏̸",NotLeftTriangle:"⋪",NotLeftTriangleBar:"⧏̸",NotLeftTriangleEqual:"⋬",NotLess:"≮",NotLessEqual:"≰",NotLessGreater:"≸",NotLessLess:"≪̸",NotLessSlantEqual:"⩽̸",NotLessTilde:"≴",NotNestedGreaterGreater:"⪢̸",NotNestedLessLess:"⪡̸",NotPrecedes:"⊀",NotPrecedesEqual:"⪯̸",NotPrecedesSlantEqual:"⋠",NotReverseElement:"∌",NotRightTriangle:"⋫",NotRightTriangleBar:"⧐̸",NotRightTriangleEqual:"⋭",NotSquareSubset:"⊏̸",NotSquareSubsetEqual:"⋢",NotSquareSuperset:"⊐̸",NotSquareSupersetEqual:"⋣",NotSubset:"⊂⃒",NotSubsetEqual:"⊈",NotSucceeds:"⊁",NotSucceedsEqual:"⪰̸",NotSucceedsSlantEqual:"⋡",NotSucceedsTilde:"≿̸",NotSuperset:"⊃⃒",NotSupersetEqual:"⊉",NotTilde:"≁",NotTildeEqual:"≄",NotTildeFullEqual:"≇",NotTildeTilde:"≉",NotVerticalBar:"∤",Nscr:"𝒩",Ntild:"Ñ",Ntilde:"Ñ",Nu:"Ν",OElig:"Œ",Oacut:"Ó",Oacute:"Ó",Ocir:"Ô",Ocirc:"Ô",Ocy:"О",Odblac:"Ő",Ofr:"𝔒",Ograv:"Ò",Ograve:"Ò",Omacr:"Ō",Omega:"Ω",Omicron:"Ο",Oopf:"𝕆",OpenCurlyDoubleQuote:"“",OpenCurlyQuote:"‘",Or:"⩔",Oscr:"𝒪",Oslas:"Ø",Oslash:"Ø",Otild:"Õ",Otilde:"Õ",Otimes:"⨷",Oum:"Ö",Ouml:"Ö",OverBar:"‾",OverBrace:"⏞",OverBracket:"⎴",OverParenthesis:"⏜",PartialD:"∂",Pcy:"П",Pfr:"𝔓",Phi:"Φ",Pi:"Π",PlusMinus:"±",Poincareplane:"ℌ",Popf:"ℙ",Pr:"⪻",Precedes:"≺",PrecedesEqual:"⪯",PrecedesSlantEqual:"≼",PrecedesTilde:"≾",Prime:"″",Product:"∏",Proportion:"∷",Proportional:"∝",Pscr:"𝒫",Psi:"Ψ",QUO:'"',QUOT:'"',Qfr:"𝔔",Qopf:"ℚ",Qscr:"𝒬",RBarr:"⤐",RE:"®",REG:"®",Racute:"Ŕ",Rang:"⟫",Rarr:"↠",Rarrtl:"⤖",Rcaron:"Ř",Rcedil:"Ŗ",Rcy:"Р",Re:"ℜ",ReverseElement:"∋",ReverseEquilibrium:"⇋",ReverseUpEquilibrium:"⥯",Rfr:"ℜ",Rho:"Ρ",RightAngleBracket:"⟩",RightArrow:"→",RightArrowBar:"⇥",RightArrowLeftArrow:"⇄",RightCeiling:"⌉",RightDoubleBracket:"⟧",RightDownTeeVector:"⥝",RightDownVector:"⇂",RightDownVectorBar:"⥕",RightFloor:"⌋",RightTee:"⊢",RightTeeArrow:"↦",RightTeeVector:"⥛",RightTriangle:"⊳",RightTriangleBar:"⧐",RightTriangleEqual:"⊵",RightUpDownVector:"⥏",RightUpTeeVector:"⥜",RightUpVector:"↾",RightUpVectorBar:"⥔",RightVector:"⇀",RightVectorBar:"⥓",Rightarrow:"⇒",Ropf:"ℝ",RoundImplies:"⥰",Rrightarrow:"⇛",Rscr:"ℛ",Rsh:"↱",RuleDelayed:"⧴",SHCHcy:"Щ",SHcy:"Ш",SOFTcy:"Ь",Sacute:"Ś",Sc:"⪼",Scaron:"Š",Scedil:"Ş",Scirc:"Ŝ",Scy:"С",Sfr:"𝔖",ShortDownArrow:"↓",ShortLeftArrow:"←",ShortRightArrow:"→",ShortUpArrow:"↑",Sigma:"Σ",SmallCircle:"∘",Sopf:"𝕊",Sqrt:"√",Square:"□",SquareIntersection:"⊓",SquareSubset:"⊏",SquareSubsetEqual:"⊑",SquareSuperset:"⊐",SquareSupersetEqual:"⊒",SquareUnion:"⊔",Sscr:"𝒮",Star:"⋆",Sub:"⋐",Subset:"⋐",SubsetEqual:"⊆",Succeeds:"≻",SucceedsEqual:"⪰",SucceedsSlantEqual:"≽",SucceedsTilde:"≿",SuchThat:"∋",Sum:"∑",Sup:"⋑",Superset:"⊃",SupersetEqual:"⊇",Supset:"⋑",THOR:"Þ",THORN:"Þ",TRADE:"™",TSHcy:"Ћ",TScy:"Ц",Tab:"\t",Tau:"Τ",Tcaron:"Ť",Tcedil:"Ţ",Tcy:"Т",Tfr:"𝔗",Therefore:"∴",Theta:"Θ",ThickSpace:"  ",ThinSpace:" ",Tilde:"∼",TildeEqual:"≃",TildeFullEqual:"≅",TildeTilde:"≈",Topf:"𝕋",TripleDot:"⃛",Tscr:"𝒯",Tstrok:"Ŧ",Uacut:"Ú",Uacute:"Ú",Uarr:"↟",Uarrocir:"⥉",Ubrcy:"Ў",Ubreve:"Ŭ",Ucir:"Û",Ucirc:"Û",Ucy:"У",Udblac:"Ű",Ufr:"𝔘",Ugrav:"Ù",Ugrave:"Ù",Umacr:"Ū",UnderBar:"_",UnderBrace:"⏟",UnderBracket:"⎵",UnderParenthesis:"⏝",Union:"⋃",UnionPlus:"⊎",Uogon:"Ų",Uopf:"𝕌",UpArrow:"↑",UpArrowBar:"⤒",UpArrowDownArrow:"⇅",UpDownArrow:"↕",UpEquilibrium:"⥮",UpTee:"⊥",UpTeeArrow:"↥",Uparrow:"⇑",Updownarrow:"⇕",UpperLeftArrow:"↖",UpperRightArrow:"↗",Upsi:"ϒ",Upsilon:"Υ",Uring:"Ů",Uscr:"𝒰",Utilde:"Ũ",Uum:"Ü",Uuml:"Ü",VDash:"⊫",Vbar:"⫫",Vcy:"В",Vdash:"⊩",Vdashl:"⫦",Vee:"⋁",Verbar:"‖",Vert:"‖",VerticalBar:"∣",VerticalLine:"|",VerticalSeparator:"❘",VerticalTilde:"≀",VeryThinSpace:" ",Vfr:"𝔙",Vopf:"𝕍",Vscr:"𝒱",Vvdash:"⊪",Wcirc:"Ŵ",Wedge:"⋀",Wfr:"𝔚",Wopf:"𝕎",Wscr:"𝒲",Xfr:"𝔛",Xi:"Ξ",Xopf:"𝕏",Xscr:"𝒳",YAcy:"Я",YIcy:"Ї",YUcy:"Ю",Yacut:"Ý",Yacute:"Ý",Ycirc:"Ŷ",Ycy:"Ы",Yfr:"𝔜",Yopf:"𝕐",Yscr:"𝒴",Yuml:"Ÿ",ZHcy:"Ж",Zacute:"Ź",Zcaron:"Ž",Zcy:"З",Zdot:"Ż",ZeroWidthSpace:"​",Zeta:"Ζ",Zfr:"ℨ",Zopf:"ℤ",Zscr:"𝒵",aacut:"á",aacute:"á",abreve:"ă",ac:"∾",acE:"∾̳",acd:"∿",acir:"â",acirc:"â",acut:"´",acute:"´",acy:"а",aeli:"æ",aelig:"æ",af:"⁡",afr:"𝔞",agrav:"à",agrave:"à",alefsym:"ℵ",aleph:"ℵ",alpha:"α",amacr:"ā",amalg:"⨿",am:"&",amp:"&",and:"∧",andand:"⩕",andd:"⩜",andslope:"⩘",andv:"⩚",ang:"∠",ange:"⦤",angle:"∠",angmsd:"∡",angmsdaa:"⦨",angmsdab:"⦩",angmsdac:"⦪",angmsdad:"⦫",angmsdae:"⦬",angmsdaf:"⦭",angmsdag:"⦮",angmsdah:"⦯",angrt:"∟",angrtvb:"⊾",angrtvbd:"⦝",angsph:"∢",angst:"Å",angzarr:"⍼",aogon:"ą",aopf:"𝕒",ap:"≈",apE:"⩰",apacir:"⩯",ape:"≊",apid:"≋",apos:"'",approx:"≈",approxeq:"≊",arin:"å",aring:"å",ascr:"𝒶",ast:"*",asymp:"≈",asympeq:"≍",atild:"ã",atilde:"ã",aum:"ä",auml:"ä",awconint:"∳",awint:"⨑",bNot:"⫭",backcong:"≌",backepsilon:"϶",backprime:"‵",backsim:"∽",backsimeq:"⋍",barvee:"⊽",barwed:"⌅",barwedge:"⌅",bbrk:"⎵",bbrktbrk:"⎶",bcong:"≌",bcy:"б",bdquo:"„",becaus:"∵",because:"∵",bemptyv:"⦰",bepsi:"϶",bernou:"ℬ",beta:"β",beth:"ℶ",between:"≬",bfr:"𝔟",bigcap:"⋂",bigcirc:"◯",bigcup:"⋃",bigodot:"⨀",bigoplus:"⨁",bigotimes:"⨂",bigsqcup:"⨆",bigstar:"★",bigtriangledown:"▽",bigtriangleup:"△",biguplus:"⨄",bigvee:"⋁",bigwedge:"⋀",bkarow:"⤍",blacklozenge:"⧫",blacksquare:"▪",blacktriangle:"▴",blacktriangledown:"▾",blacktriangleleft:"◂",blacktriangleright:"▸",blank:"␣",blk12:"▒",blk14:"░",blk34:"▓",block:"█",bne:"=⃥",bnequiv:"≡⃥",bnot:"⌐",bopf:"𝕓",bot:"⊥",bottom:"⊥",bowtie:"⋈",boxDL:"╗",boxDR:"╔",boxDl:"╖",boxDr:"╓",boxH:"═",boxHD:"╦",boxHU:"╩",boxHd:"╤",boxHu:"╧",boxUL:"╝",boxUR:"╚",boxUl:"╜",boxUr:"╙",boxV:"║",boxVH:"╬",boxVL:"╣",boxVR:"╠",boxVh:"╫",boxVl:"╢",boxVr:"╟",boxbox:"⧉",boxdL:"╕",boxdR:"╒",boxdl:"┐",boxdr:"┌",boxh:"─",boxhD:"╥",boxhU:"╨",boxhd:"┬",boxhu:"┴",boxminus:"⊟",boxplus:"⊞",boxtimes:"⊠",boxuL:"╛",boxuR:"╘",boxul:"┘",boxur:"└",boxv:"│",boxvH:"╪",boxvL:"╡",boxvR:"╞",boxvh:"┼",boxvl:"┤",boxvr:"├",bprime:"‵",breve:"˘",brvba:"¦",brvbar:"¦",bscr:"𝒷",bsemi:"⁏",bsim:"∽",bsime:"⋍",bsol:"\\",bsolb:"⧅",bsolhsub:"⟈",bull:"•",bullet:"•",bump:"≎",bumpE:"⪮",bumpe:"≏",bumpeq:"≏",cacute:"ć",cap:"∩",capand:"⩄",capbrcup:"⩉",capcap:"⩋",capcup:"⩇",capdot:"⩀",caps:"∩︀",caret:"⁁",caron:"ˇ",ccaps:"⩍",ccaron:"č",ccedi:"ç",ccedil:"ç",ccirc:"ĉ",ccups:"⩌",ccupssm:"⩐",cdot:"ċ",cedi:"¸",cedil:"¸",cemptyv:"⦲",cen:"¢",cent:"¢",centerdot:"·",cfr:"𝔠",chcy:"ч",check:"✓",checkmark:"✓",chi:"χ",cir:"○",cirE:"⧃",circ:"ˆ",circeq:"≗",circlearrowleft:"↺",circlearrowright:"↻",circledR:"®",circledS:"Ⓢ",circledast:"⊛",circledcirc:"⊚",circleddash:"⊝",cire:"≗",cirfnint:"⨐",cirmid:"⫯",cirscir:"⧂",clubs:"♣",clubsuit:"♣",colon:":",colone:"≔",coloneq:"≔",comma:",",commat:"@",comp:"∁",compfn:"∘",complement:"∁",complexes:"ℂ",cong:"≅",congdot:"⩭",conint:"∮",copf:"𝕔",coprod:"∐",cop:"©",copy:"©",copysr:"℗",crarr:"↵",cross:"✗",cscr:"𝒸",csub:"⫏",csube:"⫑",csup:"⫐",csupe:"⫒",ctdot:"⋯",cudarrl:"⤸",cudarrr:"⤵",cuepr:"⋞",cuesc:"⋟",cularr:"↶",cularrp:"⤽",cup:"∪",cupbrcap:"⩈",cupcap:"⩆",cupcup:"⩊",cupdot:"⊍",cupor:"⩅",cups:"∪︀",curarr:"↷",curarrm:"⤼",curlyeqprec:"⋞",curlyeqsucc:"⋟",curlyvee:"⋎",curlywedge:"⋏",curre:"¤",curren:"¤",curvearrowleft:"↶",curvearrowright:"↷",cuvee:"⋎",cuwed:"⋏",cwconint:"∲",cwint:"∱",cylcty:"⌭",dArr:"⇓",dHar:"⥥",dagger:"†",daleth:"ℸ",darr:"↓",dash:"‐",dashv:"⊣",dbkarow:"⤏",dblac:"˝",dcaron:"ď",dcy:"д",dd:"ⅆ",ddagger:"‡",ddarr:"⇊",ddotseq:"⩷",de:"°",deg:"°",delta:"δ",demptyv:"⦱",dfisht:"⥿",dfr:"𝔡",dharl:"⇃",dharr:"⇂",diam:"⋄",diamond:"⋄",diamondsuit:"♦",diams:"♦",die:"¨",digamma:"ϝ",disin:"⋲",div:"÷",divid:"÷",divide:"÷",divideontimes:"⋇",divonx:"⋇",djcy:"ђ",dlcorn:"⌞",dlcrop:"⌍",dollar:"$",dopf:"𝕕",dot:"˙",doteq:"≐",doteqdot:"≑",dotminus:"∸",dotplus:"∔",dotsquare:"⊡",doublebarwedge:"⌆",downarrow:"↓",downdownarrows:"⇊",downharpoonleft:"⇃",downharpoonright:"⇂",drbkarow:"⤐",drcorn:"⌟",drcrop:"⌌",dscr:"𝒹",dscy:"ѕ",dsol:"⧶",dstrok:"đ",dtdot:"⋱",dtri:"▿",dtrif:"▾",duarr:"⇵",duhar:"⥯",dwangle:"⦦",dzcy:"џ",dzigrarr:"⟿",eDDot:"⩷",eDot:"≑",eacut:"é",eacute:"é",easter:"⩮",ecaron:"ě",ecir:"ê",ecirc:"ê",ecolon:"≕",ecy:"э",edot:"ė",ee:"ⅇ",efDot:"≒",efr:"𝔢",eg:"⪚",egrav:"è",egrave:"è",egs:"⪖",egsdot:"⪘",el:"⪙",elinters:"⏧",ell:"ℓ",els:"⪕",elsdot:"⪗",emacr:"ē",empty:"∅",emptyset:"∅",emptyv:"∅",emsp13:" ",emsp14:" ",emsp:" ",eng:"ŋ",ensp:" ",eogon:"ę",eopf:"𝕖",epar:"⋕",eparsl:"⧣",eplus:"⩱",epsi:"ε",epsilon:"ε",epsiv:"ϵ",eqcirc:"≖",eqcolon:"≕",eqsim:"≂",eqslantgtr:"⪖",eqslantless:"⪕",equals:"=",equest:"≟",equiv:"≡",equivDD:"⩸",eqvparsl:"⧥",erDot:"≓",erarr:"⥱",escr:"ℯ",esdot:"≐",esim:"≂",eta:"η",et:"ð",eth:"ð",eum:"ë",euml:"ë",euro:"€",excl:"!",exist:"∃",expectation:"ℰ",exponentiale:"ⅇ",fallingdotseq:"≒",fcy:"ф",female:"♀",ffilig:"ffi",fflig:"ff",ffllig:"ffl",ffr:"𝔣",filig:"fi",fjlig:"fj",flat:"♭",fllig:"fl",fltns:"▱",fnof:"ƒ",fopf:"𝕗",forall:"∀",fork:"⋔",forkv:"⫙",fpartint:"⨍",frac1:"¼",frac12:"½",frac13:"⅓",frac14:"¼",frac15:"⅕",frac16:"⅙",frac18:"⅛",frac23:"⅔",frac25:"⅖",frac3:"¾",frac34:"¾",frac35:"⅗",frac38:"⅜",frac45:"⅘",frac56:"⅚",frac58:"⅝",frac78:"⅞",frasl:"⁄",frown:"⌢",fscr:"𝒻",gE:"≧",gEl:"⪌",gacute:"ǵ",gamma:"γ",gammad:"ϝ",gap:"⪆",gbreve:"ğ",gcirc:"ĝ",gcy:"г",gdot:"ġ",ge:"≥",gel:"⋛",geq:"≥",geqq:"≧",geqslant:"⩾",ges:"⩾",gescc:"⪩",gesdot:"⪀",gesdoto:"⪂",gesdotol:"⪄",gesl:"⋛︀",gesles:"⪔",gfr:"𝔤",gg:"≫",ggg:"⋙",gimel:"ℷ",gjcy:"ѓ",gl:"≷",glE:"⪒",gla:"⪥",glj:"⪤",gnE:"≩",gnap:"⪊",gnapprox:"⪊",gne:"⪈",gneq:"⪈",gneqq:"≩",gnsim:"⋧",gopf:"𝕘",grave:"`",gscr:"ℊ",gsim:"≳",gsime:"⪎",gsiml:"⪐",g:">",gt:">",gtcc:"⪧",gtcir:"⩺",gtdot:"⋗",gtlPar:"⦕",gtquest:"⩼",gtrapprox:"⪆",gtrarr:"⥸",gtrdot:"⋗",gtreqless:"⋛",gtreqqless:"⪌",gtrless:"≷",gtrsim:"≳",gvertneqq:"≩︀",gvnE:"≩︀",hArr:"⇔",hairsp:" ",half:"½",hamilt:"ℋ",hardcy:"ъ",harr:"↔",harrcir:"⥈",harrw:"↭",hbar:"ℏ",hcirc:"ĥ",hearts:"♥",heartsuit:"♥",hellip:"…",hercon:"⊹",hfr:"𝔥",hksearow:"⤥",hkswarow:"⤦",hoarr:"⇿",homtht:"∻",hookleftarrow:"↩",hookrightarrow:"↪",hopf:"𝕙",horbar:"―",hscr:"𝒽",hslash:"ℏ",hstrok:"ħ",hybull:"⁃",hyphen:"‐",iacut:"í",iacute:"í",ic:"⁣",icir:"î",icirc:"î",icy:"и",iecy:"е",iexc:"¡",iexcl:"¡",iff:"⇔",ifr:"𝔦",igrav:"ì",igrave:"ì",ii:"ⅈ",iiiint:"⨌",iiint:"∭",iinfin:"⧜",iiota:"℩",ijlig:"ij",imacr:"ī",image:"ℑ",imagline:"ℐ",imagpart:"ℑ",imath:"ı",imof:"⊷",imped:"Ƶ",in:"∈",incare:"℅",infin:"∞",infintie:"⧝",inodot:"ı",int:"∫",intcal:"⊺",integers:"ℤ",intercal:"⊺",intlarhk:"⨗",intprod:"⨼",iocy:"ё",iogon:"į",iopf:"𝕚",iota:"ι",iprod:"⨼",iques:"¿",iquest:"¿",iscr:"𝒾",isin:"∈",isinE:"⋹",isindot:"⋵",isins:"⋴",isinsv:"⋳",isinv:"∈",it:"⁢",itilde:"ĩ",iukcy:"і",ium:"ï",iuml:"ï",jcirc:"ĵ",jcy:"й",jfr:"𝔧",jmath:"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true}}}return false};const $=()=>o&&L.size<128;const H=(e,r)=>{let t=0;while(!e.indexOf(r)&&(e=i.dirname(e))!==r)t++;return t};class FsEventsHandler{constructor(e){this.fsw=e}checkIgnored(e,r){const t=this.fsw._ignoredPaths;if(this.fsw._isIgnored(e,r)){t.add(e);if(r&&r.isDirectory()){t.add(e+A)}return true}t.delete(e);t.delete(e+A)}addOrChange(e,r,t,n,i,u,o,f){const c=i.has(u)?a:s;this.handleEvent(c,e,r,t,n,i,u,o,f)}async checkFd(e,r,t,n,i,u,o,s){try{const a=await k(e,_);if(this.fsw.closed)return;await x(a);if(this.fsw.closed)return;this.addOrChange(e,r,t,n,i,u,o,s)}catch(a){if(a.code==="EACCES"){this.addOrChange(e,r,t,n,i,u,o,s)}else{this.handleEvent(c,e,r,t,n,i,u,o,s)}}}handleEvent(e,r,t,n,i,u,o,a,l){if(this.fsw.closed||this.checkIgnored(r))return;if(e===c){if(a.type===E||u.has(o)){this.fsw._remove(i,o)}}else{if(e===s){if(a.type===E)this.fsw._getWatchedDir(r);if(a.type===b&&l.followSymlinks){const e=l.depth===undefined?undefined:H(t,n)+1;return 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s}async _handleFsEventsSymlink(e,r,t,n){if(this.fsw.closed||this.fsw._symlinkPaths.has(r))return;this.fsw._symlinkPaths.set(r,true);this.fsw._incrReadyCount();try{const r=await T(e);if(this.fsw.closed)return;if(this.fsw._isIgnored(r)){return this.fsw._emitReady()}this.fsw._incrReadyCount();this._addToFsEvents(r||e,n=>{let u=e;if(r&&r!==w){u=n.replace(r,e)}else if(n!==w){u=i.join(e,n)}return t(u)},false,n)}catch(e){if(this.fsw._handleError(e)){return this.fsw._emitReady()}}}emitAdd(e,r,t,n,u){const o=t(e);const a=r.isDirectory();const c=this.fsw._getWatchedDir(i.dirname(o));const l=i.basename(o);if(a)this.fsw._getWatchedDir(o);if(c.has(l))return;c.add(l);if(!n.ignoreInitial||u===true){this.fsw._emit(a?f:s,o,r)}}initWatch(e,r,t,n){if(this.fsw.closed)return;const u=this._watchWithFsEvents(t.watchPath,i.resolve(e||t.watchPath),n,t.globFilter);this.fsw._addPathCloser(r,u)}async _addToFsEvents(e,r,t,n){if(this.fsw.closed){return}const u=this.fsw.options;const o=typeof r===F?r:S;const s=this.fsw._getWatchHelpers(e);try{const r=await I[s.statMethod](s.watchPath);if(this.fsw.closed)return;if(this.fsw._isIgnored(s.watchPath,r)){throw null}if(r.isDirectory()){if(!s.globFilter)this.emitAdd(o(e),r,o,u,t);if(n&&n>u.depth)return;this.fsw._readdirp(s.watchPath,{fileFilter:e=>s.filterPath(e),directoryFilter:e=>s.filterDir(e),...B(u.depth-(n||0))}).on(p,e=>{if(this.fsw.closed){return}if(e.stats.isDirectory()&&!s.filterPath(e))return;const r=i.join(s.watchPath,e.path);const{fullPath:n}=e;if(s.followSymlinks&&e.stats.isSymbolicLink()){const e=u.depth===undefined?undefined:H(r,i.resolve(s.watchPath))+1;this._handleFsEventsSymlink(r,n,o,e)}else{this.emitAdd(r,e.stats,o,u,t)}}).on(l,y).on(h,()=>{this.fsw._emitReady()})}else{this.emitAdd(s.watchPath,r,o,u,t);this.fsw._emitReady()}}catch(e){if(!e||this.fsw._handleError(e)){this.fsw._emitReady();this.fsw._emitReady()}}if(u.persistent&&t!==true){if(typeof r===F){this.initWatch(undefined,e,s,o)}else{let r;try{r=await 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A=h.isIgnored;var C=t(49);function glob(e,r,t){if(typeof r==="function")t=r,r={};if(!r)r={};if(r.sync){if(t)throw new TypeError("callback provided to sync glob");return p(e,r)}return new Glob(e,r,t)}glob.sync=p;var w=glob.GlobSync=p.GlobSync;glob.glob=glob;function extend(e,r){if(r===null||typeof r!=="object"){return e}var t=Object.keys(r);var n=t.length;while(n--){e[t[n]]=r[t[n]]}return e}glob.hasMagic=function(e,r){var t=extend({},r);t.noprocess=true;var n=new Glob(e,t);var i=n.minimatch.set;if(!e)return false;if(i.length>1)return true;for(var u=0;uthis.maxLength)return r();if(!this.stat&&g(this.cache,t)){var u=this.cache[t];if(Array.isArray(u))u="DIR";if(!i||u==="DIR")return r(null,u);if(i&&u==="FILE")return r()}var o;var s=this.statCache[t];if(s!==undefined){if(s===false)return r(null,s);else{var a=s.isDirectory()?"DIR":"FILE";if(i&&a==="FILE")return r();else return r(null,a,s)}}var f=this;var c=m("stat\0"+t,lstatcb_);if(c)n.lstat(t,c);function lstatcb_(i,u){if(u&&u.isSymbolicLink()){return n.stat(t,function(n,i){if(n)f._stat2(e,t,null,u,r);else f._stat2(e,t,n,i,r)})}else{f._stat2(e,t,i,u,r)}}};Glob.prototype._stat2=function(e,r,t,n,i){if(t&&(t.code==="ENOENT"||t.code==="ENOTDIR")){this.statCache[r]=false;return i()}var u=e.slice(-1)==="/";this.statCache[r]=n;if(r.slice(-1)==="/"&&n&&!n.isDirectory())return i(null,false,n);var o=true;if(n)o=n.isDirectory()?"DIR":"FILE";this.cache[r]=this.cache[r]||o;if(u&&o==="FILE")return i();return i(null,o,n)}},,function(e,r,t){"use strict";var n=t(578);var i=t(349);e.exports=footnoteDefinition;footnoteDefinition.notInList=true;footnoteDefinition.notInBlock=true;var u="\\";var o="\n";var s="\t";var a=" ";var f="[";var c="]";var l="^";var p=":";var h=/^( {4}|\t)?/gm;function footnoteDefinition(e,r,t){var v=this;var D=v.offset;var d;var g;var m;var E;var b;var A;var C;var w;var F;var y;var S;var _;if(!v.options.footnotes){return}d=0;g=r.length;m="";E=e.now();b=E.line;while(d=0){r=r.slice(1)}if(r===".inf"){return t===1?Number.POSITIVE_INFINITY:Number.NEGATIVE_INFINITY}else if(r===".nan"){return NaN}else if(r.indexOf(":")>=0){r.split(":").forEach(function(e){i.unshift(parseFloat(e,10))});r=0;n=1;i.forEach(function(e){r+=e*n;n*=60});return t*r}return t*parseFloat(r,10)}var o=/^[-+]?[0-9]+e/;function representYamlFloat(e,r){var t;if(isNaN(e)){switch(r){case"lowercase":return".nan";case"uppercase":return".NAN";case"camelcase":return".NaN"}}else if(Number.POSITIVE_INFINITY===e){switch(r){case"lowercase":return".inf";case"uppercase":return".INF";case"camelcase":return".Inf"}}else if(Number.NEGATIVE_INFINITY===e){switch(r){case"lowercase":return"-.inf";case"uppercase":return"-.INF";case"camelcase":return"-.Inf"}}else if(n.isNegativeZero(e)){return"-0.0"}t=e.toString(10);return o.test(t)?t.replace("e",".e"):t}function isFloat(e){return Object.prototype.toString.call(e)==="[object 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throwWarning(e,r){if(e.onWarning){e.onWarning.call(null,generateError(e,r))}}var F={YAML:function handleYamlDirective(e,r,t){var n,i,u;if(e.version!==null){throwError(e,"duplication of %YAML directive")}if(t.length!==1){throwError(e,"YAML directive accepts exactly one argument")}n=/^([0-9]+)\.([0-9]+)$/.exec(t[0]);if(n===null){throwError(e,"ill-formed argument of the YAML directive")}i=parseInt(n[1],10);u=parseInt(n[2],10);if(i!==1){throwError(e,"unacceptable YAML version of the document")}e.version=t[0];e.checkLineBreaks=u<2;if(u!==1&&u!==2){throwWarning(e,"unsupported YAML version of the document")}},TAG:function handleTagDirective(e,r,t){var n,i;if(t.length!==2){throwError(e,"TAG directive accepts exactly two arguments")}n=t[0];i=t[1];if(!E.test(n)){throwError(e,"ill-formed tag handle (first argument) of the TAG directive")}if(a.call(e.tagMap,n)){throwError(e,'there is a previously declared suffix for "'+n+'" tag handle')}if(!b.test(i)){throwError(e,"ill-formed tag prefix (second 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if(is_EOL(h)){a=e.line;f=e.lineStart;c=e.lineIndent;skipSeparationSpace(e,false,-1);if(e.lineIndent>=r){s=true;h=e.input.charCodeAt(e.position);continue}else{e.position=o;e.line=a;e.lineStart=f;e.lineIndent=c;break}}if(s){captureSegment(e,u,o,false);writeFoldedLines(e,e.line-a);u=o=e.position;s=false}if(!is_WHITE_SPACE(h)){o=e.position+1}h=e.input.charCodeAt(++e.position)}captureSegment(e,u,o,false);if(e.result){return true}e.kind=l;e.result=p;return false}function readSingleQuotedScalar(e,r){var t,n,i;t=e.input.charCodeAt(e.position);if(t!==39){return false}e.kind="scalar";e.result="";e.position++;n=i=e.position;while((t=e.input.charCodeAt(e.position))!==0){if(t===39){captureSegment(e,n,e.position,true);t=e.input.charCodeAt(++e.position);if(t===39){n=e.position;e.position++;i=e.position}else{return true}}else if(is_EOL(t)){captureSegment(e,n,i,true);writeFoldedLines(e,skipSeparationSpace(e,false,r));n=i=e.position}else if(e.position===e.lineStart&&testDocumentSeparator(e)){throwError(e,"unexpected end of the document within a single quoted scalar")}else{e.position++;i=e.position}}throwError(e,"unexpected end of the stream within a single quoted scalar")}function readDoubleQuotedScalar(e,r){var t,n,i,u,o,s;s=e.input.charCodeAt(e.position);if(s!==34){return false}e.kind="scalar";e.result="";e.position++;t=n=e.position;while((s=e.input.charCodeAt(e.position))!==0){if(s===34){captureSegment(e,t,e.position,true);e.position++;return true}else if(s===92){captureSegment(e,t,e.position,true);s=e.input.charCodeAt(++e.position);if(is_EOL(s)){skipSeparationSpace(e,false,r)}else if(s<256&&A[s]){e.result+=C[s];e.position++}else if((o=escapedHexLen(s))>0){i=o;u=0;for(;i>0;i--){s=e.input.charCodeAt(++e.position);if((o=fromHexCode(s))>=0){u=(u<<4)+o}else{throwError(e,"expected hexadecimal character")}}e.result+=charFromCodepoint(u);e.position++}else{throwError(e,"unknown escape sequence")}t=n=e.position}else if(is_EOL(s)){captureSegment(e,t,n,true);writeFoldedLines(e,skipSeparationSpace(e,false,r));t=n=e.position}else if(e.position===e.lineStart&&testDocumentSeparator(e)){throwError(e,"unexpected end of the document within a double quoted scalar")}else{e.position++;n=e.position}}throwError(e,"unexpected end of the stream within a double quoted scalar")}function readFlowCollection(e,r){var t=true,n,i=e.tag,u,o=e.anchor,s,a,c,l,p,h={},v,D,d,g;g=e.input.charCodeAt(e.position);if(g===91){a=93;p=false;u=[]}else if(g===123){a=125;p=true;u={}}else{return false}if(e.anchor!==null){e.anchorMap[e.anchor]=u}g=e.input.charCodeAt(++e.position);while(g!==0){skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if(g===a){e.position++;e.tag=i;e.anchor=o;e.kind=p?"mapping":"sequence";e.result=u;return true}else if(!t){throwError(e,"missed comma between flow collection entries")}D=v=d=null;c=l=false;if(g===63){s=e.input.charCodeAt(e.position+1);if(is_WS_OR_EOL(s)){c=l=true;e.position++;skipSeparationSpace(e,true,r)}}n=e.line;composeNode(e,r,f,false,true);D=e.tag;v=e.result;skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if((l||e.line===n)&&g===58){c=true;g=e.input.charCodeAt(++e.position);skipSeparationSpace(e,true,r);composeNode(e,r,f,false,true);d=e.result}if(p){storeMappingPair(e,u,h,D,v,d)}else if(c){u.push(storeMappingPair(e,null,h,D,v,d))}else{u.push(v)}skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if(g===44){t=true;g=e.input.charCodeAt(++e.position)}else{t=false}}throwError(e,"unexpected end of the stream within a flow collection")}function readBlockScalar(e,r){var t,i,u=h,o=false,s=false,a=r,f=0,c=false,l,p;p=e.input.charCodeAt(e.position);if(p===124){i=false}else if(p===62){i=true}else{return false}e.kind="scalar";e.result="";while(p!==0){p=e.input.charCodeAt(++e.position);if(p===43||p===45){if(h===u){u=p===43?D:v}else{throwError(e,"repeat of a chomping mode identifier")}}else if((l=fromDecimalCode(p))>=0){if(l===0){throwError(e,"bad explicit indentation width of a block scalar; it cannot be less than one")}else if(!s){a=r+l-1;s=true}else{throwError(e,"repeat of an indentation width identifier")}}else{break}}if(is_WHITE_SPACE(p)){do{p=e.input.charCodeAt(++e.position)}while(is_WHITE_SPACE(p));if(p===35){do{p=e.input.charCodeAt(++e.position)}while(!is_EOL(p)&&p!==0)}}while(p!==0){readLineBreak(e);e.lineIndent=0;p=e.input.charCodeAt(e.position);while((!s||e.lineIndenta){a=e.lineIndent}if(is_EOL(p)){f++;continue}if(e.lineIndentr)&&a!==0){throwError(e,"bad indentation of a sequence entry")}else if(e.lineIndentr){if(composeNode(e,r,p,true,i)){if(d){v=e.result}else{D=e.result}}if(!d){storeMappingPair(e,f,l,h,v,D,u,o);h=v=D=null}skipSeparationSpace(e,true,-1);m=e.input.charCodeAt(e.position)}if(e.lineIndent>r&&m!==0){throwError(e,"bad indentation of a mapping entry")}else if(e.lineIndentr){h=1}else if(e.lineIndent===r){h=0}else if(e.lineIndentr){h=1}else if(e.lineIndent===r){h=0}else if(e.lineIndent tag; it should be "'+m.kind+'", not "'+e.kind+'"')}if(!m.resolve(e.result)){throwError(e,"cannot resolve a node with !<"+e.tag+"> explicit tag")}else{e.result=m.construct(e.result);if(e.anchor!==null){e.anchorMap[e.anchor]=e.result}}}else{throwError(e,"unknown tag !<"+e.tag+">")}}if(e.listener!==null){e.listener("close",e)}return e.tag!==null||e.anchor!==null||D}function readDocument(e){var r=e.position,t,n,i,u=false,o;e.version=null;e.checkLineBreaks=e.legacy;e.tagMap={};e.anchorMap={};while((o=e.input.charCodeAt(e.position))!==0){skipSeparationSpace(e,true,-1);o=e.input.charCodeAt(e.position);if(e.lineIndent>0||o!==37){break}u=true;o=e.input.charCodeAt(++e.position);t=e.position;while(o!==0&&!is_WS_OR_EOL(o)){o=e.input.charCodeAt(++e.position)}n=e.input.slice(t,e.position);i=[];if(n.length<1){throwError(e,"directive name must not be less than one character in length")}while(o!==0){while(is_WHITE_SPACE(o)){o=e.input.charCodeAt(++e.position)}if(o===35){do{o=e.input.charCodeAt(++e.position)}while(o!==0&&!is_EOL(o));break}if(is_EOL(o))break;t=e.position;while(o!==0&&!is_WS_OR_EOL(o)){o=e.input.charCodeAt(++e.position)}i.push(e.input.slice(t,e.position))}if(o!==0)readLineBreak(e);if(a.call(F,n)){F[n](e,n,i)}else{throwWarning(e,'unknown document directive 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l=t(359);var p=t(793);var h=t(466),v=h.getHighWaterMark;var D=t(818).codes,d=D.ERR_INVALID_ARG_TYPE,g=D.ERR_STREAM_PUSH_AFTER_EOF,m=D.ERR_METHOD_NOT_IMPLEMENTED,E=D.ERR_STREAM_UNSHIFT_AFTER_END_EVENT;var b=t(934),A=b.emitExperimentalWarning;var C;var w;t(689)(Readable,o);var F=["error","close","destroy","pause","resume"];function prependListener(e,r,t){if(typeof e.prependListener==="function")return e.prependListener(r,t);if(!e._events||!e._events[r])e.on(r,t);else if(Array.isArray(e._events[r]))e._events[r].unshift(t);else e._events[r]=[t,e._events[r]]}function ReadableState(e,r,i){n=n||t(308);e=e||{};if(typeof i!=="boolean")i=r instanceof n;this.objectMode=!!e.objectMode;if(i)this.objectMode=this.objectMode||!!e.readableObjectMode;this.highWaterMark=v(this,e,"readableHighWaterMark",i);this.buffer=new 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this._readableState.destroyed},set:function set(e){if(!this._readableState){return}this._readableState.destroyed=e}});Readable.prototype.destroy=p.destroy;Readable.prototype._undestroy=p.undestroy;Readable.prototype._destroy=function(e,r){r(e)};Readable.prototype.push=function(e,r){var t=this._readableState;var n;if(!t.objectMode){if(typeof e==="string"){r=r||t.defaultEncoding;if(r!==t.encoding){e=s.from(e,r);r=""}n=true}}else{n=true}return readableAddChunk(this,e,r,false,n)};Readable.prototype.unshift=function(e){return readableAddChunk(this,e,null,true,false)};function readableAddChunk(e,r,t,n,i){c("readableAddChunk",r);var u=e._readableState;if(r===null){u.reading=false;onEofChunk(e,u)}else{var o;if(!i)o=chunkInvalid(u,r);if(o){e.emit("error",o)}else if(u.objectMode||r&&r.length>0){if(typeof r!=="string"&&!u.objectMode&&Object.getPrototypeOf(r)!==s.prototype){r=_uint8ArrayToBuffer(r)}if(n){if(u.endEmitted)e.emit("error",new E);else addChunk(e,u,r,true)}else if(u.ended){e.emit("error",new g)}else if(u.destroyed){return false}else{u.reading=false;if(u.decoder&&!t){r=u.decoder.write(r);if(u.objectMode||r.length!==0)addChunk(e,u,r,false);else maybeReadMore(e,u)}else{addChunk(e,u,r,false)}}}else if(!n){u.reading=false;maybeReadMore(e,u)}}return!u.ended&&(u.length=y){e=y}else{e--;e|=e>>>1;e|=e>>>2;e|=e>>>4;e|=e>>>8;e|=e>>>16;e++}return e}function howMuchToRead(e,r){if(e<=0||r.length===0&&r.ended)return 0;if(r.objectMode)return 1;if(e!==e){if(r.flowing&&r.length)return r.buffer.head.data.length;else return r.length}if(e>r.highWaterMark)r.highWaterMark=computeNewHighWaterMark(e);if(e<=r.length)return e;if(!r.ended){r.needReadable=true;return 0}return r.length}Readable.prototype.read=function(e){c("read",e);e=parseInt(e,10);var r=this._readableState;var t=e;if(e!==0)r.emittedReadable=false;if(e===0&&r.needReadable&&((r.highWaterMark!==0?r.length>=r.highWaterMark:r.length>0)||r.ended)){c("read: emitReadable",r.length,r.ended);if(r.length===0&&r.ended)endReadable(this);else emitReadable(this);return null}e=howMuchToRead(e,r);if(e===0&&r.ended){if(r.length===0)endReadable(this);return null}var n=r.needReadable;c("need readable",n);if(r.length===0||r.length-e0)i=fromList(e,r);else i=null;if(i===null){r.needReadable=true;e=0}else{r.length-=e;r.awaitDrain=0}if(r.length===0){if(!r.ended)r.needReadable=true;if(t!==e&&r.ended)endReadable(this)}if(i!==null)this.emit("data",i);return i};function onEofChunk(e,r){if(r.ended)return;if(r.decoder){var t=r.decoder.end();if(t&&t.length){r.buffer.push(t);r.length+=r.objectMode?1:t.length}}r.ended=true;if(r.sync){emitReadable(e)}else{r.needReadable=false;if(!r.emittedReadable){r.emittedReadable=true;emitReadable_(e)}}}function emitReadable(e){var r=e._readableState;r.needReadable=false;if(!r.emittedReadable){c("emitReadable",r.flowing);r.emittedReadable=true;process.nextTick(emitReadable_,e)}}function emitReadable_(e){var r=e._readableState;c("emitReadable_",r.destroyed,r.length,r.ended);if(!r.destroyed&&(r.length||r.ended)){e.emit("readable")}r.needReadable=!r.flowing&&!r.ended&&r.length<=r.highWaterMark;flow(e)}function maybeReadMore(e,r){if(!r.readingMore){r.readingMore=true;process.nextTick(maybeReadMore_,e,r)}}function maybeReadMore_(e,r){while(!r.reading&&!r.ended&&(r.length1&&indexOf(n.pipes,e)!==-1)&&!a){c("false write response, pause",n.awaitDrain);n.awaitDrain++}t.pause()}}function onerror(r){c("onerror",r);unpipe();e.removeListener("error",onerror);if(u(e,"error")===0)e.emit("error",r)}prependListener(e,"error",onerror);function onclose(){e.removeListener("finish",onfinish);unpipe()}e.once("close",onclose);function onfinish(){c("onfinish");e.removeListener("close",onclose);unpipe()}e.once("finish",onfinish);function unpipe(){c("unpipe");t.unpipe(e)}e.emit("pipe",t);if(!n.flowing){c("pipe resume");t.resume()}return e};function pipeOnDrain(e){return function pipeOnDrainFunctionResult(){var r=e._readableState;c("pipeOnDrain",r.awaitDrain);if(r.awaitDrain)r.awaitDrain--;if(r.awaitDrain===0&&u(e,"data")){r.flowing=true;flow(e)}}}Readable.prototype.unpipe=function(e){var r=this._readableState;var t={hasUnpiped:false};if(r.pipesCount===0)return this;if(r.pipesCount===1){if(e&&e!==r.pipes)return this;if(!e)e=r.pipes;r.pipes=null;r.pipesCount=0;r.flowing=false;if(e)e.emit("unpipe",this,t);return this}if(!e){var n=r.pipes;var i=r.pipesCount;r.pipes=null;r.pipesCount=0;r.flowing=false;for(var u=0;u0;if(n.flowing!==false)this.resume()}else if(e==="readable"){if(!n.endEmitted&&!n.readableListening){n.readableListening=n.needReadable=true;n.flowing=false;n.emittedReadable=false;c("on readable",n.length,n.reading);if(n.length){emitReadable(this)}else if(!n.reading){process.nextTick(nReadingNextTick,this)}}}return t};Readable.prototype.addListener=Readable.prototype.on;Readable.prototype.removeListener=function(e,r){var t=o.prototype.removeListener.call(this,e,r);if(e==="readable"){process.nextTick(updateReadableListening,this)}return t};Readable.prototype.removeAllListeners=function(e){var r=o.prototype.removeAllListeners.apply(this,arguments);if(e==="readable"||e===undefined){process.nextTick(updateReadableListening,this)}return r};function updateReadableListening(e){var r=e._readableState;r.readableListening=e.listenerCount("readable")>0;if(r.resumeScheduled&&!r.paused){r.flowing=true}else if(e.listenerCount("data")>0){e.resume()}}function nReadingNextTick(e){c("readable nexttick read 0");e.read(0)}Readable.prototype.resume=function(){var e=this._readableState;if(!e.flowing){c("resume");e.flowing=!e.readableListening;resume(this,e)}e.paused=false;return this};function resume(e,r){if(!r.resumeScheduled){r.resumeScheduled=true;process.nextTick(resume_,e,r)}}function resume_(e,r){c("resume",r.reading);if(!r.reading){e.read(0)}r.resumeScheduled=false;e.emit("resume");flow(e);if(r.flowing&&!r.reading)e.read(0)}Readable.prototype.pause=function(){c("call pause flowing=%j",this._readableState.flowing);if(this._readableState.flowing!==false){c("pause");this._readableState.flowing=false;this.emit("pause")}this._readableState.paused=true;return this};function flow(e){var r=e._readableState;c("flow",r.flowing);while(r.flowing&&e.read()!==null){}}Readable.prototype.wrap=function(e){var r=this;var t=this._readableState;var n=false;e.on("end",function(){c("wrapped end");if(t.decoder&&!t.ended){var e=t.decoder.end();if(e&&e.length)r.push(e)}r.push(null)});e.on("data",function(i){c("wrapped data");if(t.decoder)i=t.decoder.write(i);if(t.objectMode&&(i===null||i===undefined))return;else if(!t.objectMode&&(!i||!i.length))return;var u=r.push(i);if(!u){n=true;e.pause()}});for(var i in e){if(this[i]===undefined&&typeof e[i]==="function"){this[i]=function methodWrap(r){return function methodWrapReturnFunction(){return e[r].apply(e,arguments)}}(i)}}for(var u=0;u=r.length){if(r.decoder)t=r.buffer.join("");else if(r.buffer.length===1)t=r.buffer.first();else t=r.buffer.concat(r.length);r.buffer.clear()}else{t=r.buffer.consume(e,r.decoder)}return t}function endReadable(e){var r=e._readableState;c("endReadable",r.endEmitted);if(!r.endEmitted){r.ended=true;process.nextTick(endReadableNT,r,e)}}function endReadableNT(e,r){c("endReadableNT",e.endEmitted,e.length);if(!e.endEmitted&&e.length===0){e.endEmitted=true;r.readable=false;r.emit("end")}}function indexOf(e,r){for(var t=0,n=e.length;te[t])e[t]=n});return e},[]);var o=map(e,function(e){return map(e,function(e,r){var t=String(e);if(n[r]==="."){var o=dotindex(t);var s=u[r]+(/\./.test(t)?1:2)-(i(t)-o);return t+Array(s).join(" ")}else return t})});var s=reduce(o,function(e,r){forEach(r,function(r,t){var n=i(r);if(!e[t]||n>e[t])e[t]=n});return e},[]);return map(o,function(e){return map(e,function(e,r){var t=s[r]-i(e)||0;var u=Array(Math.max(t+1,1)).join(" ");if(n[r]==="r"||n[r]==="."){return u+e}if(n[r]==="c"){return Array(Math.ceil(t/2+1)).join(" ")+e+Array(Math.floor(t/2+1)).join(" ")}return e+u}).join(t).replace(/\s+$/,"")}).join("\n")};function dotindex(e){var r=/\.[^.]*$/.exec(e);return r?r.index+1:e.length}function reduce(e,r,t){if(e.reduce)return e.reduce(r,t);var n=0;var i=arguments.length>=3?t:e[n++];for(;n{const r=["[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)","(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))"].join("|");return new RegExp(r,e?undefined:"g")})},,function(e,r,t){"use strict";var n=t(622);var i=t(539);var u=t(881);e.exports=Ignore;Ignore.prototype.check=check;var o=n.dirname;var s=n.relative;var a=n.resolve;function Ignore(e){this.cwd=e.cwd;this.findUp=new u({filePath:e.ignorePath,cwd:e.cwd,detect:e.detectIgnore,names:e.ignoreName?[e.ignoreName]:[],create:create})}function check(e,r){var t=this;t.findUp.load(e,done);function done(n,i){var u;if(n){r(n)}else if(i){u=s(i.filePath,a(t.cwd,e));r(null,u?i.ignores(u):false)}else{r(null,false)}}}function create(e,r){var t=i().add(String(e));t.filePath=o(r);return t}},,,,function(e){"use strict";e.exports={gfm:true,commonmark:false,pedantic:false,entities:"false",setext:false,closeAtx:false,looseTable:false,spacedTable:true,paddedTable:true,stringLength:stringLength,incrementListMarker:true,fences:false,fence:"`",bullet:"-",listItemIndent:"tab",rule:"*",ruleSpaces:true,ruleRepetition:3,strong:"*",emphasis:"_"};function stringLength(e){return e.length}},function(e){"use strict";function YAMLException(e,r){Error.call(this);this.name="YAMLException";this.reason=e;this.mark=r;this.message=(this.reason||"(unknown reason)")+(this.mark?" 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n=t(945);e.exports=new n("tag:yaml.org,2002:str",{kind:"scalar",construct:function(e){return e!==null?e:""}})},,function(e){"use strict";e.exports=emphasis;var r="_";var t="*";function emphasis(e){var n=this.options.emphasis;var i=this.all(e).join("");if(this.options.pedantic&&n===r&&i.indexOf(n)!==-1){n=t}return n+i+n}},,function(e){"use strict";e.exports=whitespace;var r=String.fromCharCode;var t=/\s/;function whitespace(e){return t.test(typeof e==="number"?r(e):e.charAt(0))}},,,function(e,r,t){"use strict";var n=t(43);e.exports=new n({explicit:[t(574),t(921),t(988)]})},,,,,function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:table-cell-padding",tableCellPadding);var s=u.start;var a=u.end;var f={null:true,padded:true,compact:true};function tableCellPadding(e,r,t){var n=String(r);t=typeof t==="string"&&t!=="consistent"?t:null;if(f[t]!==true){r.fail("Invalid table-cell-padding style `"+t+"`")}i(e,"table",visitor);function visitor(e){var r=e.children;var u=new Array(e.align.length);var f=o(e)?-1:r.length;var c=-1;var l=[];var p;var h;var v;var D;var d;var g;var m;var E;var b;var A;var C;while(++cn){a+=" with 1 space, not "+o;if(size(u)n){r.message("Line must be at most "+n+" characters",{line:l+1,column:p+1})}}function inline(e,r,t){var i=t.children[r+1];var u;var f;if(o(e)){return}u=s(e);f=a(e);if(u.column>n||f.column1){r=Array.prototype.slice.call(arguments)}return e(r)};if("conversion"in e){r.conversion=e.conversion}return r}function wrapRounded(e){var r=function(r){if(r===undefined||r===null){return r}if(arguments.length>1){r=Array.prototype.slice.call(arguments)}var t=e(r);if(typeof t==="object"){for(var n=t.length,i=0;i-1))throw new E(e);this._writableState.defaultEncoding=e;return this};Object.defineProperty(Writable.prototype,"writableBuffer",{enumerable:false,get:function get(){return this._writableState&&this._writableState.getBuffer()}});function 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o=e.exports={rgb:{channels:3,labels:"rgb"},hsl:{channels:3,labels:"hsl"},hsv:{channels:3,labels:"hsv"},hwb:{channels:3,labels:"hwb"},cmyk:{channels:4,labels:"cmyk"},xyz:{channels:3,labels:"xyz"},lab:{channels:3,labels:"lab"},lch:{channels:3,labels:"lch"},hex:{channels:1,labels:["hex"]},keyword:{channels:1,labels:["keyword"]},ansi16:{channels:1,labels:["ansi16"]},ansi256:{channels:1,labels:["ansi256"]},hcg:{channels:3,labels:["h","c","g"]},apple:{channels:3,labels:["r16","g16","b16"]},gray:{channels:1,labels:["gray"]}};for(var s in o){if(o.hasOwnProperty(s)){if(!("channels"in o[s])){throw new Error("missing channels property: "+s)}if(!("labels"in o[s])){throw new Error("missing channel labels property: "+s)}if(o[s].labels.length!==o[s].channels){throw new Error("channel and label counts mismatch: "+s)}var a=o[s].channels;var f=o[s].labels;delete o[s].channels;delete o[s].labels;Object.defineProperty(o[s],"channels",{value:a});Object.defineProperty(o[s],"labels",{value:f})}}o.rgb.hsl=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i=Math.min(r,t,n);var u=Math.max(r,t,n);var o=u-i;var s;var a;var f;if(u===i){s=0}else if(r===u){s=(t-n)/o}else if(t===u){s=2+(n-r)/o}else if(n===u){s=4+(r-t)/o}s=Math.min(s*60,360);if(s<0){s+=360}f=(i+u)/2;if(u===i){a=0}else if(f<=.5){a=o/(u+i)}else{a=o/(2-u-i)}return[s,a*100,f*100]};o.rgb.hsv=function(e){var r;var t;var n;var i;var u;var o=e[0]/255;var s=e[1]/255;var a=e[2]/255;var f=Math.max(o,s,a);var c=f-Math.min(o,s,a);var l=function(e){return(f-e)/6/c+1/2};if(c===0){i=u=0}else{u=c/f;r=l(o);t=l(s);n=l(a);if(o===f){i=n-t}else if(s===f){i=1/3+r-n}else if(a===f){i=2/3+t-r}if(i<0){i+=1}else if(i>1){i-=1}}return[i*360,u*100,f*100]};o.rgb.hwb=function(e){var r=e[0];var t=e[1];var n=e[2];var i=o.rgb.hsl(e)[0];var u=1/255*Math.min(r,Math.min(t,n));n=1-1/255*Math.max(r,Math.max(t,n));return[i,u*100,n*100]};o.rgb.cmyk=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i;var u;var o;var s;s=Math.min(1-r,1-t,1-n);i=(1-r-s)/(1-s)||0;u=(1-t-s)/(1-s)||0;o=(1-n-s)/(1-s)||0;return[i*100,u*100,o*100,s*100]};function comparativeDistance(e,r){return Math.pow(e[0]-r[0],2)+Math.pow(e[1]-r[1],2)+Math.pow(e[2]-r[2],2)}o.rgb.keyword=function(e){var r=i[e];if(r){return r}var t=Infinity;var u;for(var o in n){if(n.hasOwnProperty(o)){var s=n[o];var a=comparativeDistance(e,s);if(a.04045?Math.pow((r+.055)/1.055,2.4):r/12.92;t=t>.04045?Math.pow((t+.055)/1.055,2.4):t/12.92;n=n>.04045?Math.pow((n+.055)/1.055,2.4):n/12.92;var i=r*.4124+t*.3576+n*.1805;var u=r*.2126+t*.7152+n*.0722;var o=r*.0193+t*.1192+n*.9505;return[i*100,u*100,o*100]};o.rgb.lab=function(e){var r=o.rgb.xyz(e);var t=r[0];var n=r[1];var i=r[2];var u;var s;var a;t/=95.047;n/=100;i/=108.883;t=t>.008856?Math.pow(t,1/3):7.787*t+16/116;n=n>.008856?Math.pow(n,1/3):7.787*n+16/116;i=i>.008856?Math.pow(i,1/3):7.787*i+16/116;u=116*n-16;s=500*(t-n);a=200*(n-i);return[u,s,a]};o.hsl.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;var i;var u;var o;var s;var a;if(t===0){a=n*255;return[a,a,a]}if(n<.5){u=n*(1+t)}else{u=n+t-n*t}i=2*n-u;s=[0,0,0];for(var f=0;f<3;f++){o=r+1/3*-(f-1);if(o<0){o++}if(o>1){o--}if(6*o<1){a=i+(u-i)*6*o}else if(2*o<1){a=u}else if(3*o<2){a=i+(u-i)*(2/3-o)*6}else{a=i}s[f]=a*255}return s};o.hsl.hsv=function(e){var r=e[0];var t=e[1]/100;var n=e[2]/100;var i=t;var u=Math.max(n,.01);var o;var s;n*=2;t*=n<=1?n:2-n;i*=u<=1?u:2-u;s=(n+t)/2;o=n===0?2*i/(u+i):2*t/(n+t);return[r,o*100,s*100]};o.hsv.rgb=function(e){var r=e[0]/60;var t=e[1]/100;var n=e[2]/100;var i=Math.floor(r)%6;var u=r-Math.floor(r);var o=255*n*(1-t);var s=255*n*(1-t*u);var a=255*n*(1-t*(1-u));n*=255;switch(i){case 0:return[n,a,o];case 1:return[s,n,o];case 2:return[o,n,a];case 3:return[o,s,n];case 4:return[a,o,n];case 5:return[n,o,s]}};o.hsv.hsl=function(e){var r=e[0];var t=e[1]/100;var n=e[2]/100;var i=Math.max(n,.01);var u;var o;var s;s=(2-t)*n;u=(2-t)*i;o=t*i;o/=u<=1?u:2-u;o=o||0;s/=2;return[r,o*100,s*100]};o.hwb.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;var i=t+n;var u;var o;var s;var a;if(i>1){t/=i;n/=i}u=Math.floor(6*r);o=1-n;s=6*r-u;if((u&1)!==0){s=1-s}a=t+s*(o-t);var f;var c;var l;switch(u){default:case 6:case 0:f=o;c=a;l=t;break;case 1:f=a;c=o;l=t;break;case 2:f=t;c=o;l=a;break;case 3:f=t;c=a;l=o;break;case 4:f=a;c=t;l=o;break;case 5:f=o;c=t;l=a;break}return[f*255,c*255,l*255]};o.cmyk.rgb=function(e){var r=e[0]/100;var t=e[1]/100;var n=e[2]/100;var i=e[3]/100;var u;var o;var s;u=1-Math.min(1,r*(1-i)+i);o=1-Math.min(1,t*(1-i)+i);s=1-Math.min(1,n*(1-i)+i);return[u*255,o*255,s*255]};o.xyz.rgb=function(e){var r=e[0]/100;var t=e[1]/100;var n=e[2]/100;var i;var u;var o;i=r*3.2406+t*-1.5372+n*-.4986;u=r*-.9689+t*1.8758+n*.0415;o=r*.0557+t*-.204+n*1.057;i=i>.0031308?1.055*Math.pow(i,1/2.4)-.055:i*12.92;u=u>.0031308?1.055*Math.pow(u,1/2.4)-.055:u*12.92;o=o>.0031308?1.055*Math.pow(o,1/2.4)-.055:o*12.92;i=Math.min(Math.max(0,i),1);u=Math.min(Math.max(0,u),1);o=Math.min(Math.max(0,o),1);return[i*255,u*255,o*255]};o.xyz.lab=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;r/=95.047;t/=100;n/=108.883;r=r>.008856?Math.pow(r,1/3):7.787*r+16/116;t=t>.008856?Math.pow(t,1/3):7.787*t+16/116;n=n>.008856?Math.pow(n,1/3):7.787*n+16/116;i=116*t-16;u=500*(r-t);o=200*(t-n);return[i,u,o]};o.lab.xyz=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;u=(r+16)/116;i=t/500+u;o=u-n/200;var s=Math.pow(u,3);var a=Math.pow(i,3);var f=Math.pow(o,3);u=s>.008856?s:(u-16/116)/7.787;i=a>.008856?a:(i-16/116)/7.787;o=f>.008856?f:(o-16/116)/7.787;i*=95.047;u*=100;o*=108.883;return[i,u,o]};o.lab.lch=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;i=Math.atan2(n,t);u=i*360/2/Math.PI;if(u<0){u+=360}o=Math.sqrt(t*t+n*n);return[r,o,u]};o.lch.lab=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;o=n/360*2*Math.PI;i=t*Math.cos(o);u=t*Math.sin(o);return[r,i,u]};o.rgb.ansi16=function(e){var r=e[0];var t=e[1];var n=e[2];var i=1 in arguments?arguments[1]:o.rgb.hsv(e)[2];i=Math.round(i/50);if(i===0){return 30}var u=30+(Math.round(n/255)<<2|Math.round(t/255)<<1|Math.round(r/255));if(i===2){u+=60}return u};o.hsv.ansi16=function(e){return o.rgb.ansi16(o.hsv.rgb(e),e[2])};o.rgb.ansi256=function(e){var r=e[0];var t=e[1];var n=e[2];if(r===t&&t===n){if(r<8){return 16}if(r>248){return 231}return Math.round((r-8)/247*24)+232}var i=16+36*Math.round(r/255*5)+6*Math.round(t/255*5)+Math.round(n/255*5);return i};o.ansi16.rgb=function(e){var r=e%10;if(r===0||r===7){if(e>50){r+=3.5}r=r/10.5*255;return[r,r,r]}var t=(~~(e>50)+1)*.5;var n=(r&1)*t*255;var i=(r>>1&1)*t*255;var u=(r>>2&1)*t*255;return[n,i,u]};o.ansi256.rgb=function(e){if(e>=232){var r=(e-232)*10+8;return[r,r,r]}e-=16;var t;var n=Math.floor(e/36)/5*255;var i=Math.floor((t=e%36)/6)/5*255;var u=t%6/5*255;return[n,i,u]};o.rgb.hex=function(e){var r=((Math.round(e[0])&255)<<16)+((Math.round(e[1])&255)<<8)+(Math.round(e[2])&255);var t=r.toString(16).toUpperCase();return"000000".substring(t.length)+t};o.hex.rgb=function(e){var r=e.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);if(!r){return[0,0,0]}var t=r[0];if(r[0].length===3){t=t.split("").map(function(e){return e+e}).join("")}var n=parseInt(t,16);var i=n>>16&255;var u=n>>8&255;var o=n&255;return[i,u,o]};o.rgb.hcg=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i=Math.max(Math.max(r,t),n);var u=Math.min(Math.min(r,t),n);var o=i-u;var s;var a;if(o<1){s=u/(1-o)}else{s=0}if(o<=0){a=0}else if(i===r){a=(t-n)/o%6}else if(i===t){a=2+(n-r)/o}else{a=4+(r-t)/o+4}a/=6;a%=1;return[a*360,o*100,s*100]};o.hsl.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=1;var i=0;if(t<.5){n=2*r*t}else{n=2*r*(1-t)}if(n<1){i=(t-.5*n)/(1-n)}return[e[0],n*100,i*100]};o.hsv.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=r*t;var i=0;if(n<1){i=(t-n)/(1-n)}return[e[0],n*100,i*100]};o.hcg.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;if(t===0){return[n*255,n*255,n*255]}var i=[0,0,0];var u=r%1*6;var o=u%1;var s=1-o;var a=0;switch(Math.floor(u)){case 0:i[0]=1;i[1]=o;i[2]=0;break;case 1:i[0]=s;i[1]=1;i[2]=0;break;case 2:i[0]=0;i[1]=1;i[2]=o;break;case 3:i[0]=0;i[1]=s;i[2]=1;break;case 4:i[0]=o;i[1]=0;i[2]=1;break;default:i[0]=1;i[1]=0;i[2]=s}a=(1-t)*n;return[(t*i[0]+a)*255,(t*i[1]+a)*255,(t*i[2]+a)*255]};o.hcg.hsv=function(e){var r=e[1]/100;var t=e[2]/100;var n=r+t*(1-r);var i=0;if(n>0){i=r/n}return[e[0],i*100,n*100]};o.hcg.hsl=function(e){var r=e[1]/100;var t=e[2]/100;var n=t*(1-r)+.5*r;var i=0;if(n>0&&n<.5){i=r/(2*n)}else if(n>=.5&&n<1){i=r/(2*(1-n))}return[e[0],i*100,n*100]};o.hcg.hwb=function(e){var r=e[1]/100;var t=e[2]/100;var n=r+t*(1-r);return[e[0],(n-r)*100,(1-n)*100]};o.hwb.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=1-t;var i=n-r;var u=0;if(i<1){u=(n-i)/(1-i)}return[e[0],i*100,u*100]};o.apple.rgb=function(e){return[e[0]/65535*255,e[1]/65535*255,e[2]/65535*255]};o.rgb.apple=function(e){return[e[0]/255*65535,e[1]/255*65535,e[2]/255*65535]};o.gray.rgb=function(e){return[e[0]/100*255,e[0]/100*255,e[0]/100*255]};o.gray.hsl=o.gray.hsv=function(e){return[0,0,e[0]]};o.gray.hwb=function(e){return[0,100,e[0]]};o.gray.cmyk=function(e){return[0,0,0,e[0]]};o.gray.lab=function(e){return[e[0],0,0]};o.gray.hex=function(e){var r=Math.round(e[0]/100*255)&255;var t=(r<<16)+(r<<8)+r;var n=t.toString(16).toUpperCase();return"000000".substring(n.length)+n};o.rgb.gray=function(e){var r=(e[0]+e[1]+e[2])/3;return[r/255*100]}},,,function(e,r,t){"use strict";var n=t(608);e.exports=n("remark-lint:final-newline",finalNewline);function finalNewline(e,r){var t=String(r);var 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u=-1;while(++u{if(e instanceof Set){e.forEach(r)}else{r(e)}};const k=(e,r,t)=>{let n=e[r];if(!(n instanceof Set)){e[r]=n=new Set([n])}n.add(t)};const x=e=>r=>{const t=e[r];if(t instanceof Set){t.clear()}else{delete e[r]}};const R=(e,r,t)=>{const n=e[r];if(n instanceof Set){n.delete(t)}else if(n===t){delete e[r]}};const T=e=>e instanceof Set?e.size===0:!e;const I=new Map;function createFsWatchInstance(e,r,t,u,o){const s=(r,n)=>{t(e);o(r,n,{watchedPath:e});if(n&&e!==n){L(i.resolve(e,n),c,i.join(e,n))}};try{return n.watch(e,r,s)}catch(e){u(e)}}const L=(e,r,t,n,i)=>{const u=I.get(e);if(!u)return;O(u[r],e=>{e(t,n,i)})};const M=(e,r,t,n)=>{const{listener:i,errHandler:u,rawEmitter:o}=n;let a=I.get(r);let f;if(!t.persistent){f=createFsWatchInstance(e,t,i,u,o);return f.close.bind(f)}if(a){k(a,c,i);k(a,l,u);k(a,p,o)}else{f=createFsWatchInstance(e,t,L.bind(null,r,c),u,L.bind(null,r,p));if(!f)return;f.on(g,async t=>{const n=L.bind(null,r,l);a.watcherUnusable=true;if(s&&t.code==="EPERM"){try{const r=await w(e,"r");await S(r);n(t)}catch(e){}}else{n(t)}});a={listeners:i,errHandlers:u,rawEmitters:o,watcher:f};I.set(r,a)}return()=>{R(a,c,i);R(a,l,u);R(a,p,o);if(T(a.listeners)){a.watcher.close();I.delete(r);h.forEach(x(a));a.watcher=undefined;Object.freeze(a)}}};const j=new Map;const P=(e,r,t,i)=>{const{listener:u,rawEmitter:o}=i;let s=j.get(r);let a=new Set;let f=new Set;const l=s&&s.options;if(l&&(l.persistentt.interval)){a=s.listeners;f=s.rawEmitters;n.unwatchFile(r);s=undefined}if(s){k(s,c,u);k(s,p,o)}else{s={listeners:u,rawEmitters:o,options:t,watcher:n.watchFile(r,t,(t,n)=>{O(s.rawEmitters,e=>{e(v,r,{curr:t,prev:n})});const i=t.mtimeMs;if(t.size!==n.size||i>n.mtimeMs||i===0){O(s.listeners,r=>r(e,t))}})};j.set(r,s)}return()=>{R(s,c,u);R(s,p,o);if(T(s.listeners)){j.delete(r);n.unwatchFile(r);s.options=s.watcher=undefined;Object.freeze(s)}}};class NodeFsHandler{constructor(e){this.fsw=e;this._boundHandleError=(r=>e._handleError(r))}_watchWithNodeFs(e,r){const t=this.fsw.options;const n=i.dirname(e);const u=i.basename(e);const s=this.fsw._getWatchedDir(n);s.add(u);const f=i.resolve(e);const c={persistent:t.persistent};if(!r)r=a;let l;if(t.usePolling){c.interval=t.enableBinaryInterval&&o(u)?t.binaryInterval:t.interval;l=P(e,f,c,{listener:r,rawEmitter:this.fsw._emitRaw})}else{l=M(e,f,c,{listener:r,errHandler:this._boundHandleError,rawEmitter:this.fsw._emitRaw})}return l}_handleFile(e,r,t){if(this.fsw.closed){return}const n=i.dirname(e);const u=i.basename(e);const o=this.fsw._getWatchedDir(n);let s=r;if(o.has(u))return;const a=this._watchWithNodeFs(e,async(r,t)=>{if(!this.fsw._throttle(C,e,5))return;if(!t||t.mtimeMs===0){try{const r=await F(e);if(this.fsw.closed)return;const t=r.atimeMs;const i=r.mtimeMs;if(!t||t<=i||i!==s.mtimeMs){this.fsw._emit(v,e,r)}s=r}catch(e){this.fsw._remove(n,u)}}else if(o.has(u)){const r=t.atimeMs;const n=t.mtimeMs;if(!r||r<=n||n!==s.mtimeMs){this.fsw._emit(v,e,t)}s=t}});if(!(t&&this.fsw.options.ignoreInitial)&&this.fsw._isntIgnored(e)){if(!this.fsw._throttle(D,e,0))return;this.fsw._emit(D,e,r)}return a}async _handleSymlink(e,r,t,n){if(this.fsw.closed){return}const i=e.fullPath;const u=this.fsw._getWatchedDir(r);if(!this.fsw.options.followSymlinks){this.fsw._incrReadyCount();const r=await _(t);if(this.fsw.closed)return;if(u.has(n)){if(this.fsw._symlinkPaths.get(i)!==r){this.fsw._symlinkPaths.set(i,r);this.fsw._emit(v,t,e.stats)}}else{u.add(n);this.fsw._symlinkPaths.set(i,r);this.fsw._emit(D,t,e.stats)}this.fsw._emitReady();return true}if(this.fsw._symlinkPaths.has(i)){return true}this.fsw._symlinkPaths.set(i,true)}_handleRead(e,r,t,n,u,o,s){e=i.join(e,f);if(!t.hasGlob){s=this.fsw._throttle("readdir",e,1e3);if(!s)return}const a=this.fsw._getWatchedDir(t.path);const c=new Set;let l=this.fsw._readdirp(e,{fileFilter:e=>t.filterPath(e),directoryFilter:e=>t.filterDir(e),depth:0}).on(m,async s=>{if(this.fsw.closed){l=undefined;return}const f=s.path;let p=i.join(e,f);c.add(f);if(s.stats.isSymbolicLink()&&await this._handleSymlink(s,e,p,f)){return}if(this.fsw.closed){l=undefined;return}if(f===n||!n&&!a.has(f)){this.fsw._incrReadyCount();p=i.join(u,i.relative(u,p));this._addToNodeFs(p,r,t,o+1)}}).on(g,this._boundHandleError);return new Promise(r=>l.once(E,()=>{if(this.fsw.closed){l=undefined;return}const f=s?s.clear():false;r();a.getChildren().filter(r=>{return r!==e&&!c.has(r)&&(!t.hasGlob||t.filterPath({fullPath:i.resolve(e,r)}))}).forEach(r=>{this.fsw._remove(e,r)});l=undefined;if(f)this._handleRead(e,false,t,n,u,o,s)}))}async _handleDir(e,r,t,n,u,o,s){const a=this.fsw._getWatchedDir(i.dirname(e));const f=a.has(i.basename(e));if(!(t&&this.fsw.options.ignoreInitial)&&!u&&!f){if(!o.hasGlob||o.globFilter(e))this.fsw._emit(d,e,r)}a.add(i.basename(e));this.fsw._getWatchedDir(e);let c;let l;const p=this.fsw.options.depth;if((p==null||n<=p)&&!this.fsw._symlinkPaths.has(s)){if(!u){await this._handleRead(e,t,o,u,e,n,c);if(this.fsw.closed)return}l=this._watchWithNodeFs(e,(r,t)=>{if(t&&t.mtimeMs===0)return;this._handleRead(r,false,o,u,e,n,c)})}return l}async _addToNodeFs(e,r,t,n,u){const o=this.fsw._emitReady;if(this.fsw._isIgnored(e)||this.fsw.closed){o();return false}const s=this.fsw._getWatchHelpers(e,n);if(!s.hasGlob&&t){s.hasGlob=t.hasGlob;s.globFilter=t.globFilter;s.filterPath=(e=>t.filterPath(e));s.filterDir=(e=>t.filterDir(e))}try{const t=await B[s.statMethod](s.watchPath);if(this.fsw.closed)return;if(this.fsw._isIgnored(s.watchPath,t)){o();return false}const a=this.fsw.options.followSymlinks&&!e.includes(A)&&!e.includes(b);let f;if(t.isDirectory()){const i=a?await _(e):e;if(this.fsw.closed)return;f=await this._handleDir(s.watchPath,t,r,n,u,s,i);if(this.fsw.closed)return;if(e!==i&&i!==undefined){this.fsw._symlinkPaths.set(i,true)}}else if(t.isSymbolicLink()){const u=a?await _(e):e;if(this.fsw.closed)return;const o=i.dirname(s.watchPath);this.fsw._getWatchedDir(o).add(s.watchPath);this.fsw._emit(D,s.watchPath,t);f=await this._handleDir(o,t,r,n,e,s,u);if(this.fsw.closed)return;if(u!==undefined){this.fsw._symlinkPaths.set(i.resolve(e),u)}}else{f=this._handleFile(s.watchPath,t,r)}o();this.fsw._addPathCloser(e,f);return false}catch(r){if(this.fsw._handleError(r)){o();return e}}}}e.exports=NodeFsHandler},function(e){"use strict";e.exports=locate;function locate(e,r){var t=e.indexOf("\n",r);while(t>r){if(e.charAt(t-1)!==" "){break}t--}return t}},function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:rule-style",ruleStyle);var s=u.start;var a=u.end;function ruleStyle(e,r,t){var n=String(r);t=typeof t==="string"&&t!=="consistent"?t:null;if(t!==null&&/[^-_* ]/.test(t)){r.fail("Invalid preferred rule-style: provide a valid markdown rule, or `'consistent'`")}i(e,"thematicBreak",visitor);function visitor(e){var i=s(e).offset;var u=a(e).offset;var f;if(!o(e)){f=n.slice(i,u);if(t){if(f!==t){r.message("Rules should use `"+t+"`",e)}}else{t=f}}}}},,function(e,r,t){e.exports=require(t.ab+"fsevents.node")},,,,,,,,,function(e,r,t){"use strict";e=t.nmd(e);const n=t(592);const i=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${t+r}m`});const u=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${38+r};5;${t}m`});const o=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${38+r};2;${t[0]};${t[1]};${t[2]}m`});function assembleStyles(){const e=new Map;const r={modifier:{reset:[0,0],bold:[1,22],dim:[2,22],italic:[3,23],underline:[4,24],inverse:[7,27],hidden:[8,28],strikethrough:[9,29]},color:{black:[30,39],red:[31,39],green:[32,39],yellow:[33,39],blue:[34,39],magenta:[35,39],cyan:[36,39],white:[37,39],gray:[90,39],redBright:[91,39],greenBright:[92,39],yellowBright:[93,39],blueBright:[94,39],magentaBright:[95,39],cyanBright:[96,39],whiteBright:[97,39]},bgColor:{bgBlack:[40,49],bgRed:[41,49],bgGreen:[42,49],bgYellow:[43,49],bgBlue:[44,49],bgMagenta:[45,49],bgCyan:[46,49],bgWhite:[47,49],bgBlackBright:[100,49],bgRedBright:[101,49],bgGreenBright:[102,49],bgYellowBright:[103,49],bgBlueBright:[104,49],bgMagentaBright:[105,49],bgCyanBright:[106,49],bgWhiteBright:[107,49]}};r.color.grey=r.color.gray;for(const t of Object.keys(r)){const n=r[t];for(const t of Object.keys(n)){const i=n[t];r[t]={open:`[${i[0]}m`,close:`[${i[1]}m`};n[t]=r[t];e.set(i[0],i[1])}Object.defineProperty(r,t,{value:n,enumerable:false});Object.defineProperty(r,"codes",{value:e,enumerable:false})}const t=e=>e;const s=(e,r,t)=>[e,r,t];r.color.close="";r.bgColor.close="";r.color.ansi={ansi:i(t,0)};r.color.ansi256={ansi256:u(t,0)};r.color.ansi16m={rgb:o(s,0)};r.bgColor.ansi={ansi:i(t,10)};r.bgColor.ansi256={ansi256:u(t,10)};r.bgColor.ansi16m={rgb:o(s,10)};for(let e of Object.keys(n)){if(typeof n[e]!=="object"){continue}const t=n[e];if(e==="ansi16"){e="ansi"}if("ansi16"in t){r.color.ansi[e]=i(t.ansi16,0);r.bgColor.ansi[e]=i(t.ansi16,10)}if("ansi256"in t){r.color.ansi256[e]=u(t.ansi256,0);r.bgColor.ansi256[e]=u(t.ansi256,10)}if("rgb"in t){r.color.ansi16m[e]=o(t.rgb,0);r.bgColor.ansi16m[e]=o(t.rgb,10)}}return r}Object.defineProperty(e,"exports",{enumerable:true,get:assembleStyles})},function(e){e.exports=[{long:"help",description:"output usage information",short:"h",type:"boolean",default:false},{long:"version",description:"output version number",short:"v",type:"boolean",default:false},{long:"output",description:"specify output location",short:"o",value:"[path]"},{long:"rc-path",description:"specify configuration file",short:"r",type:"string",value:""},{long:"ignore-path",description:"specify ignore file",short:"i",type:"string",value:""},{long:"setting",description:"specify settings",short:"s",type:"string",value:""},{long:"ext",description:"specify extensions",short:"e",type:"string",value:""},{long:"use",description:"use plugins",short:"u",type:"string",value:""},{long:"watch",description:"watch for changes and reprocess",short:"w",type:"boolean",default:false},{long:"quiet",description:"output only warnings and errors",short:"q",type:"boolean",default:false},{long:"silent",description:"output only errors",short:"S",type:"boolean",default:false},{long:"frail",description:"exit with 1 on warnings",short:"f",type:"boolean",default:false},{long:"tree",description:"specify input and output as syntax tree",short:"t",type:"boolean",default:false},{long:"report",description:"specify reporter",type:"string",value:""},{long:"file-path",description:"specify path to process as",type:"string",value:""},{long:"ignore-pattern",description:"specify ignore patterns",type:"string",value:""},{long:"tree-in",description:"specify input as syntax tree",type:"boolean"},{long:"tree-out",description:"output syntax tree",type:"boolean"},{long:"inspect",description:"output formatted syntax tree",type:"boolean"},{long:"stdout",description:"specify writing to stdout",type:"boolean",truelike:true},{long:"color",description:"specify color in report",type:"boolean",default:true},{long:"config",description:"search for configuration files",type:"boolean",default:true},{long:"ignore",description:"search for ignore files",type:"boolean",default:true}]},,,,function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:hard-break-spaces",hardBreakSpaces);var s="Use two spaces for hard line breaks";function hardBreakSpaces(e,r){var t=String(r);i(e,"break",visitor);function visitor(e){var n;if(!o(e)){n=t.slice(u.start(e).offset,u.end(e).offset).split("\n",1)[0].replace(/\r$/,"");if(n.length>2){r.message(s,e)}}}}},function(e){e.exports=require("util")},function(e,r,t){"use strict";var n=t(269);var i=t(449);var u=t(803);e.exports=n;n.read=u.read;n.readSync=i.read;n.write=u.write;n.writeSync=i.write},,function(e,r,t){"use strict";e.exports=Transform;var n=t(818).codes,i=n.ERR_METHOD_NOT_IMPLEMENTED,u=n.ERR_MULTIPLE_CALLBACK,o=n.ERR_TRANSFORM_ALREADY_TRANSFORMING,s=n.ERR_TRANSFORM_WITH_LENGTH_0;var a=t(308);t(689)(Transform,a);function afterTransform(e,r){var t=this._transformState;t.transforming=false;var n=t.writecb;if(n===null){return this.emit("error",new u)}t.writechunk=null;t.writecb=null;if(r!=null)this.push(r);n(e);var 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r=o[o.length-1];if(Array.isArray(r)){r.push(e)}else{r[l]=e}}if(e!==null&&typeof e==="object"){o.push(e);if(Array.isArray(e)){u="beforeArrayValue"}else{u="beforePropertyName"}}else{const e=o[o.length-1];if(e==null){u="end"}else if(Array.isArray(e)){u="afterArrayValue"}else{u="afterPropertyValue"}}}function pop(){o.pop();const e=o[o.length-1];if(e==null){u="end"}else if(Array.isArray(e)){u="afterArrayValue"}else{u="afterPropertyValue"}}function invalidChar(e){if(e===undefined){return syntaxError(`JSON5: invalid end of input at ${a}:${f}`)}return syntaxError(`JSON5: invalid character '${formatChar(e)}' at ${a}:${f}`)}function invalidEOF(){return syntaxError(`JSON5: invalid end of input at ${a}:${f}`)}function invalidIdentifier(){f-=5;return syntaxError(`JSON5: invalid identifier character at ${a}:${f}`)}function separatorChar(e){console.warn(`JSON5: '${formatChar(e)}' in strings is not valid ECMAScript; consider escaping`)}function formatChar(e){const r={"'":"\\'",'"':'\\"',"\\":"\\\\","\b":"\\b","\f":"\\f","\n":"\\n","\r":"\\r","\t":"\\t","\v":"\\v","\0":"\\0","\u2028":"\\u2028","\u2029":"\\u2029"};if(r[e]){return r[e]}if(e<" "){const r=e.charCodeAt(0).toString(16);return"\\x"+("00"+r).substring(r.length)}return e}function syntaxError(e){const r=new SyntaxError(e);r.lineNumber=a;r.columnNumber=f;return r}},function(e,r,t){"use strict";var n=t(747);var i=t(622);var u=t(827);var o=t(784)("unified-engine:find-up");var s=t(145);e.exports=FindUp;var a=n.readFile;var f=i.resolve;var c=i.relative;var l=i.join;var p=i.dirname;FindUp.prototype.load=load;function FindUp(e){var r=this;var t=e.filePath;r.cache={};r.cwd=e.cwd;r.detect=e.detect;r.names=e.names;r.create=e.create;if(t){r.givenFilePath=f(e.cwd,t)}}function load(e,r){var t=this;var n=t.cache;var i=t.givenFilePath;var h=t.givenFile;var v=t.names;var D=t.create;var d=t.cwd;var g;if(i){if(h){apply(r,h)}else{h=[r];t.givenFile=h;o("Checking given file 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u=e.files;if(u.length===0){t()}else{i(u,{cwd:r.cwd,extensions:r.extensions,silentlyIgnore:r.silentlyIgnore,ignorePatterns:r.ignorePatterns,ignore:new n({cwd:r.cwd,detectIgnore:r.detectIgnore,ignoreName:r.ignoreName,ignorePath:r.ignorePath})},onfound)}function onfound(n,i){var u=i.files;u.sort(sortAlphabetically);u.forEach(markAsGiven);e.files=u;if(r.out===null||r.out===undefined){r.out=i.oneFileMode}t(n)}function markAsGiven(e){e.data.unifiedEngineGiven=true}function sortAlphabetically(e,r){return e.pathArray.isArray(e)?e:[e];const V=(e,r=[])=>{e.forEach(e=>{if(Array.isArray(e)){V(e,r)}else{r.push(e)}});return r};const J=e=>{const r=V(z(e));if(!r.every(e=>typeof e===N)){throw new TypeError(`Non-string provided as watch path: ${r}`)}return r.map(Q)};const Z=e=>{let r=e.replace(S,x);while(r.match(_)){r=r.replace(_,x)}return r};const Q=e=>Z(u.normalize(Z(e)));const X=(e=H)=>r=>{if(typeof r!==N)return r;return Q(u.isAbsolute(r)?r:u.join(e,r))};const K=(e,r)=>{if(u.isAbsolute(e)){return e}if(e.startsWith(T)){return T+u.join(r,e.slice(1))}return u.join(r,e)};const ee=(e,r)=>e[r]===undefined;class DirEntry{constructor(e,r){this.path=e;this._removeWatcher=r;this.items=new Set}add(e){const{items:r}=this;if(!r)return;if(e!==I&&e!==L)r.add(e)}async remove(e){const{items:r}=this;if(!r)return;r.delete(e);if(!r.size){const e=this.path;try{await Y(e)}catch(r){this._removeWatcher(u.dirname(e),u.basename(e))}}}has(e){const{items:r}=this;if(!r)return;return r.has(e)}getChildren(){const{items:e}=this;if(!e)return;return[...e.values()]}dispose(){this.items.clear();delete this.path;delete this._removeWatcher;delete this.items;Object.freeze(this)}}const re="stat";const te="lstat";class WatchHelper{constructor(e,r,t,n){this.fsw=n;this.path=e=e.replace(k,H);this.watchPath=r;this.fullWatchPath=u.resolve(r);this.hasGlob=r!==e;if(e===H)this.hasGlob=false;this.globSymlink=this.hasGlob&&t?undefined:false;this.globFilter=this.hasGlob?a(e,undefined,P):false;this.dirParts=this.getDirParts(e);this.dirParts.forEach(e=>{if(e.length>1)e.pop()});this.followSymlinks=t;this.statMethod=t?re:te}checkGlobSymlink(e){if(this.globSymlink===undefined){this.globSymlink=e.fullParentDir===this.fullWatchPath?false:{realPath:e.fullParentDir,linkPath:this.fullWatchPath}}if(this.globSymlink){return e.fullPath.replace(this.globSymlink.realPath,this.globSymlink.linkPath)}return e.fullPath}entryPath(e){return u.join(this.watchPath,u.relative(this.watchPath,this.checkGlobSymlink(e)))}filterPath(e){const{stats:r}=e;if(r&&r.isSymbolicLink())return this.filterDir(e);const t=this.entryPath(e);const n=this.hasGlob&&typeof this.globFilter===$?this.globFilter(t):true;return n&&this.fsw._isntIgnored(t,r)&&this.fsw._hasReadPermissions(r)}getDirParts(e){if(!this.hasGlob)return[];const r=[];const t=e.includes(R)?l.expand(e):[e];t.forEach(e=>{r.push(u.relative(this.watchPath,e).split(B))});return r}filterDir(e){if(this.hasGlob){const r=this.getDirParts(this.checkGlobSymlink(e));let t=false;this.unmatchedGlob=!this.dirParts.some(e=>{return e.every((e,n)=>{if(e===M)t=true;return t||!r[0][n]||a(e,r[0][n],P)})})}return!this.unmatchedGlob&&this.fsw._isntIgnored(this.entryPath(e),e.stats)}}class FSWatcher extends n{constructor(e){super();const r={};if(e)Object.assign(r,e);this._watched=new Map;this._closers=new Map;this._ignoredPaths=new Set;this._throttled=new Map;this._symlinkPaths=new Map;this._streams=new Set;this.closed=false;if(ee(r,"persistent"))r.persistent=true;if(ee(r,"ignoreInitial"))r.ignoreInitial=false;if(ee(r,"ignorePermissionErrors"))r.ignorePermissionErrors=false;if(ee(r,"interval"))r.interval=100;if(ee(r,"binaryInterval"))r.binaryInterval=300;if(ee(r,"disableGlobbing"))r.disableGlobbing=false;r.enableBinaryInterval=r.binaryInterval!==r.interval;if(ee(r,"useFsEvents"))r.useFsEvents=!r.usePolling;const t=v.canUse();if(!t)r.useFsEvents=false;if(ee(r,"usePolling")&&!r.useFsEvents){r.usePolling=G}const n=process.env.CHOKIDAR_USEPOLLING;if(n!==undefined){const e=n.toLowerCase();if(e==="false"||e==="0"){r.usePolling=false}else if(e==="true"||e==="1"){r.usePolling=true}else{r.usePolling=!!e}}const i=process.env.CHOKIDAR_INTERVAL;if(i){r.interval=Number.parseInt(i,10)}if(ee(r,"atomic"))r.atomic=!r.usePolling&&!r.useFsEvents;if(r.atomic)this._pendingUnlinks=new Map;if(ee(r,"followSymlinks"))r.followSymlinks=true;if(ee(r,"awaitWriteFinish"))r.awaitWriteFinish=false;if(r.awaitWriteFinish===true)r.awaitWriteFinish={};const u=r.awaitWriteFinish;if(u){if(!u.stabilityThreshold)u.stabilityThreshold=2e3;if(!u.pollInterval)u.pollInterval=100;this._pendingWrites=new Map}if(r.ignored)r.ignored=z(r.ignored);let o=0;this._emitReady=(()=>{o++;if(o>=this._readyCount){this._emitReady=U;this._readyEmitted=true;process.nextTick(()=>this.emit(d))}});this._emitRaw=((...e)=>this.emit(C,...e));this._readyEmitted=false;this.options=r;if(r.useFsEvents){this._fsEventsHandler=new v(this)}else{this._nodeFsHandler=new h(this)}Object.freeze(r)}add(e,r,t){const{cwd:n,disableGlobbing:i}=this.options;this.closed=false;let o=J(e);if(n){o=o.map(e=>{const r=K(e,n);if(i||!c(e)){return r}return p(r)})}o=o.filter(e=>{if(e.startsWith(T)){this._ignoredPaths.add(e.slice(1));return false}this._ignoredPaths.delete(e);this._ignoredPaths.delete(e+j);this._userIgnored=undefined;return true});if(this.options.useFsEvents&&this._fsEventsHandler){if(!this._readyCount)this._readyCount=o.length;if(this.options.persistent)this._readyCount*=2;o.forEach(e=>this._fsEventsHandler._addToFsEvents(e))}else{if(!this._readyCount)this._readyCount=0;this._readyCount+=o.length;Promise.all(o.map(async e=>{const n=await this._nodeFsHandler._addToNodeFs(e,!t,0,0,r);if(n)this._emitReady();return n})).then(e=>{if(this.closed)return;e.filter(e=>e).forEach(e=>{this.add(u.dirname(e),u.basename(r||e))})})}return this}unwatch(e){if(this.closed)return this;const r=J(e);const{cwd:t}=this.options;r.forEach(e=>{if(!u.isAbsolute(e)&&!this._closers.has(e)){if(t)e=u.join(t,e);e=u.resolve(e)}this._closePath(e);this._ignoredPaths.add(e);if(this._watched.has(e)){this._ignoredPaths.add(e+j)}this._userIgnored=undefined});return this}close(){if(this.closed)return this;this.closed=true;this.removeAllListeners();const e=[];this._closers.forEach(r=>r.forEach(r=>{const t=r();if(t instanceof Promise)e.push(t)}));this._streams.forEach(e=>e.destroy());this._userIgnored=undefined;this._readyCount=0;this._readyEmitted=false;this._watched.forEach(e=>e.dispose());["closers","watched","streams","symlinkPaths","throttled"].forEach(e=>{this[`_${e}`].clear()});return e.length?Promise.all(e).then(()=>undefined):Promise.resolve()}getWatched(){const e={};this._watched.forEach((r,t)=>{const n=this.options.cwd?u.relative(this.options.cwd,t):t;e[n||I]=r.getChildren().sort()});return e}emitWithAll(e,r){this.emit(...r);if(e!==w)this.emit(D,...r)}async _emit(e,r,t,n,i){if(this.closed)return;const o=this.options;if(W)r=u.normalize(r);if(o.cwd)r=u.relative(o.cwd,r);const s=[e,r];if(i!==undefined)s.push(t,n,i);else if(n!==undefined)s.push(t,n);else if(t!==undefined)s.push(t);const a=o.awaitWriteFinish;let f;if(a&&(f=this._pendingWrites.get(r))){f.lastChange=new Date;return this}if(o.atomic){if(e===E){this._pendingUnlinks.set(r,s);setTimeout(()=>{this._pendingUnlinks.forEach((e,r)=>{this.emit(...e);this.emit(D,...e);this._pendingUnlinks.delete(r)})},typeof o.atomic==="number"?o.atomic:100);return this}if(e===g&&this._pendingUnlinks.has(r)){e=s[0]=m;this._pendingUnlinks.delete(r)}}if(a&&(e===g||e===m)&&this._readyEmitted){const t=(r,t)=>{if(r){e=s[0]=w;s[1]=r;this.emitWithAll(e,s)}else if(t){if(s.length>2){s[2]=t}else{s.push(t)}this.emitWithAll(e,s)}};this._awaitWriteFinish(r,a.stabilityThreshold,e,t);return this}if(e===m){const e=!this._throttle(m,r,50);if(e)return this}if(o.alwaysStat&&t===undefined&&(e===g||e===b||e===m)){const t=o.cwd?u.join(o.cwd,r):r;try{const r=await q(t);if(!r)return;s.push(r);this.emitWithAll(e,s)}catch(e){}}else{this.emitWithAll(e,s)}return this}_handleError(e){const r=e&&e.code;if(e&&r!=="ENOENT"&&r!=="ENOTDIR"&&(!this.options.ignorePermissionErrors||r!=="EPERM"&&r!=="EACCES")){this.emit(w,e)}return e||this.closed}_throttle(e,r,t){if(!this._throttled.has(e)){this._throttled.set(e,new Map)}const n=this._throttled.get(e);const i=n.get(r);if(i){i.count++;return false}let u;const o=()=>{const e=n.get(r);const t=e?e.count:0;n.delete(r);clearTimeout(u);if(e)clearTimeout(e.timeoutObject);return t};u=setTimeout(o,t);const s={timeoutObject:u,clear:o,count:0};n.set(r,s);return s}_incrReadyCount(){return this._readyCount++}_awaitWriteFinish(e,r,t,n){let o;let s=e;if(this.options.cwd&&!u.isAbsolute(e)){s=u.join(this.options.cwd,e)}const a=new Date;const f=t=>{i.stat(s,(i,u)=>{if(i||!this._pendingWrites.has(e)){if(i&&i.code!=="ENOENT")n(i);return}const s=Number(new Date);if(t&&u.size!==t.size){this._pendingWrites.get(e).lastChange=s}const a=this._pendingWrites.get(e);const c=s-a.lastChange;if(c>=r){this._pendingWrites.delete(e);n(undefined,u)}else{o=setTimeout(f,this.options.awaitWriteFinish.pollInterval,u)}})};if(!this._pendingWrites.has(e)){this._pendingWrites.set(e,{lastChange:a,cancelWait:()=>{this._pendingWrites.delete(e);clearTimeout(o);return t}});o=setTimeout(f,this.options.awaitWriteFinish.pollInterval)}}_getGlobIgnored(){return[...this._ignoredPaths.values()]}_isIgnored(e,r){if(this.options.atomic&&O.test(e))return true;if(!this._userIgnored){const{cwd:e}=this.options;const r=this.options.ignored;const t=r&&r.map(X(e));const n=z(t).filter(e=>typeof e===N&&!c(e)).map(e=>e+j);const i=this._getGlobIgnored().map(X(e)).concat(t,n);this._userIgnored=a(i,undefined,P)}return this._userIgnored([e,r])}_isntIgnored(e,r){return!this._isIgnored(e,r)}_getWatchHelpers(e,r){const t=r||this.options.disableGlobbing||!c(e)?e:f(e);const n=this.options.followSymlinks;return new WatchHelper(e,t,n,this)}_getWatchedDir(e){if(!this._boundRemove)this._boundRemove=this._remove.bind(this);const r=u.resolve(e);if(!this._watched.has(r))this._watched.set(r,new DirEntry(r,this._boundRemove));return this._watched.get(r)}_hasReadPermissions(e){if(this.options.ignorePermissionErrors)return true;const r=e&&Number.parseInt(e.mode,10);const t=r&511;const n=Number.parseInt(t.toString(8)[0],10);return Boolean(4&n)}_remove(e,r){const t=u.join(e,r);const n=u.resolve(t);const i=this._watched.has(t)||this._watched.has(n);if(!this._throttle("remove",t,100))return;if(!i&&!this.options.useFsEvents&&this._watched.size===1){this.add(e,r,true)}const o=this._getWatchedDir(t);const s=o.getChildren();s.forEach(e=>this._remove(t,e));const a=this._getWatchedDir(e);const f=a.has(r);a.remove(r);let c=t;if(this.options.cwd)c=u.relative(this.options.cwd,t);if(this.options.awaitWriteFinish&&this._pendingWrites.has(c)){const e=this._pendingWrites.get(c).cancelWait();if(e===g)return}this._watched.delete(t);this._watched.delete(n);const l=i?A:E;if(f&&!this._isIgnored(t))this._emit(l,t);if(!this.options.useFsEvents){this._closePath(t)}}_closePath(e){const r=this._closers.get(e);if(!r)return;r.forEach(e=>e());this._closers.delete(e);const t=u.dirname(e);this._getWatchedDir(t).remove(u.basename(e))}_addPathCloser(e,r){if(!r)return;let t=this._closers.get(e);if(!t){t=[];this._closers.set(e,t)}t.push(r)}_readdirp(e,r){if(this.closed)return;const t={type:D,alwaysStat:true,lstat:true,...r};let n=s(e,t);this._streams.add(n);n.once(F,()=>{n=undefined});n.once(y,()=>{if(n){this._streams.delete(n);n=undefined}});return n}}r.FSWatcher=FSWatcher;const ne=(e,r)=>{const t=new FSWatcher(r);t.add(e);return t};r.watch=ne},function(e,r,t){"use strict";var n=t(170);var i=t(520);e.exports=transform;function transform(e,r,t){var u=new n;e.fileSet=u;u.on("add",add).on("done",t);if(e.files.length===0){t()}else{e.files.forEach(u.add,u)}function add(t){i.run({configuration:e.configuration,processor:r.processor(),cwd:r.cwd,extensions:r.extensions,pluginPrefix:r.pluginPrefix,treeIn:r.treeIn,treeOut:r.treeOut,inspect:r.inspect,color:r.color,out:r.out,output:r.output,streamOut:r.streamOut,alwaysStringify:r.alwaysStringify},t,u,done);function done(e){if(e){e=t.message(e);e.fatal=true}u.emit("one",t)}}}},,,,,,,function(e){e.exports=function(e,r){if(!r)r={};var t={bools:{},strings:{},unknownFn:null};if(typeof r["unknown"]==="function"){t.unknownFn=r["unknown"]}if(typeof r["boolean"]==="boolean"&&r["boolean"]){t.allBools=true}else{[].concat(r["boolean"]).filter(Boolean).forEach(function(e){t.bools[e]=true})}var n={};Object.keys(r.alias||{}).forEach(function(e){n[e]=[].concat(r.alias[e]);n[e].forEach(function(r){n[r]=[e].concat(n[e].filter(function(e){return r!==e}))})});[].concat(r.string).filter(Boolean).forEach(function(e){t.strings[e]=true;if(n[e]){t.strings[n[e]]=true}});var i=r["default"]||{};var u={_:[]};Object.keys(t.bools).forEach(function(e){setArg(e,i[e]===undefined?false:i[e])});var o=[];if(e.indexOf("--")!==-1){o=e.slice(e.indexOf("--")+1);e=e.slice(0,e.indexOf("--"))}function argDefined(e,r){return t.allBools&&/^--[^=]+$/.test(r)||t.strings[e]||t.bools[e]||n[e]}function setArg(e,r,i){if(i&&t.unknownFn&&!argDefined(e,i)){if(t.unknownFn(i)===false)return}var o=!t.strings[e]&&isNumber(r)?Number(r):r;setKey(u,e.split("."),o);(n[e]||[]).forEach(function(e){setKey(u,e.split("."),o)})}function setKey(e,r,n){var i=e;r.slice(0,-1).forEach(function(e){if(i[e]===undefined)i[e]={};i=i[e]});var u=r[r.length-1];if(i[u]===undefined||t.bools[u]||typeof i[u]==="boolean"){i[u]=n}else if(Array.isArray(i[u])){i[u].push(n)}else{i[u]=[i[u],n]}}function aliasIsBoolean(e){return n[e].some(function(e){return t.bools[e]})}for(var s=0;s=e.length){if(r)r[o]=e;return t(null,e)}a.lastIndex=l;var n=a.exec(e);v=p;p+=n[0];h=v+n[1];l=a.lastIndex;if(c[h]||r&&r[h]===h){return process.nextTick(LOOP)}if(r&&Object.prototype.hasOwnProperty.call(r,h)){return gotResolvedLink(r[h])}return u.lstat(h,gotStat)}function gotStat(e,n){if(e)return t(e);if(!n.isSymbolicLink()){c[h]=true;if(r)r[h]=h;return process.nextTick(LOOP)}if(!i){var o=n.dev.toString(32)+":"+n.ino.toString(32);if(s.hasOwnProperty(o)){return gotTarget(null,s[o],h)}}u.stat(h,function(e){if(e)return t(e);u.readlink(h,function(e,r){if(!i)s[o]=r;gotTarget(e,r)})})}function gotTarget(e,i,u){if(e)return t(e);var o=n.resolve(v,i);if(r)r[u]=o;gotResolvedLink(o)}function gotResolvedLink(r){e=n.resolve(r,e.slice(l));start()}}},function(e){"use strict";e.exports=orderedItems;var r="\n";var t=".";var n=r+r;function orderedItems(e){var i=this;var u=i.visitors.listItem;var o=i.options.incrementListMarker;var s=[];var a=e.start;var f=e.children;var c=f.length;var l=-1;var p;a=a==null?1:a;while(++l{if(Number.isNaN(e)){return false}if(e>=4352&&(e<=4447||e===9001||e===9002||11904<=e&&e<=12871&&e!==12351||12880<=e&&e<=19903||19968<=e&&e<=42182||43360<=e&&e<=43388||44032<=e&&e<=55203||63744<=e&&e<=64255||65040<=e&&e<=65049||65072<=e&&e<=65131||65281<=e&&e<=65376||65504<=e&&e<=65510||110592<=e&&e<=110593||127488<=e&&e<=127569||131072<=e&&e<=262141)){return true}return false};e.exports=r;e.exports.default=r},function(e){e.exports={nbsp:" ",iexcl:"¡",cent:"¢",pound:"£",curren:"¤",yen:"¥",brvbar:"¦",sect:"§",uml:"¨",copy:"©",ordf:"ª",laquo:"«",not:"¬",shy:"­",reg:"®",macr:"¯",deg:"°",plusmn:"±",sup2:"²",sup3:"³",acute:"´",micro:"µ",para:"¶",middot:"·",cedil:"¸",sup1:"¹",ordm:"º",raquo:"»",frac14:"¼",frac12:"½",frac34:"¾",iquest:"¿",Agrave:"À",Aacute:"Á",Acirc:"Â",Atilde:"Ã",Auml:"Ä",Aring:"Å",AElig:"Æ",Ccedil:"Ç",Egrave:"È",Eacute:"É",Ecirc:"Ê",Euml:"Ë",Igrave:"Ì",Iacute:"Í",Icirc:"Î",Iuml:"Ï",ETH:"Ð",Ntilde:"Ñ",Ograve:"Ò",Oacute:"Ó",Ocirc:"Ô",Otilde:"Õ",Ouml:"Ö",times:"×",Oslash:"Ø",Ugrave:"Ù",Uacute:"Ú",Ucirc:"Û",Uuml:"Ü",Yacute:"Ý",THORN:"Þ",szlig:"ß",agrave:"à",aacute:"á",acirc:"â",atilde:"ã",auml:"ä",aring:"å",aelig:"æ",ccedil:"ç",egrave:"è",eacute:"é",ecirc:"ê",euml:"ë",igrave:"ì",iacute:"í",icirc:"î",iuml:"ï",eth:"ð",ntilde:"ñ",ograve:"ò",oacute:"ó",ocirc:"ô",otilde:"õ",ouml:"ö",divide:"÷",oslash:"ø",ugrave:"ù",uacute:"ú",ucirc:"û",uuml:"ü",yacute:"ý",thorn:"þ",yuml:"ÿ",fnof:"ƒ",Alpha:"Α",Beta:"Β",Gamma:"Γ",Delta:"Δ",Epsilon:"Ε",Zeta:"Ζ",Eta:"Η",Theta:"Θ",Iota:"Ι",Kappa:"Κ",Lambda:"Λ",Mu:"Μ",Nu:"Ν",Xi:"Ξ",Omicron:"Ο",Pi:"Π",Rho:"Ρ",Sigma:"Σ",Tau:"Τ",Upsilon:"Υ",Phi:"Φ",Chi:"Χ",Psi:"Ψ",Omega:"Ω",alpha:"α",beta:"β",gamma:"γ",delta:"δ",epsilon:"ε",zeta:"ζ",eta:"η",theta:"θ",iota:"ι",kappa:"κ",lambda:"λ",mu:"μ",nu:"ν",xi:"ξ",omicron:"ο",pi:"π",rho:"ρ",sigmaf:"ς",sigma:"σ",tau:"τ",upsilon:"υ",phi:"φ",chi:"χ",psi:"ψ",omega:"ω",thetasym:"ϑ",upsih:"ϒ",piv:"ϖ",bull:"•",hellip:"…",prime:"′",Prime:"″",oline:"‾",frasl:"⁄",weierp:"℘",image:"ℑ",real:"ℜ",trade:"™",alefsym:"ℵ",larr:"←",uarr:"↑",rarr:"→",darr:"↓",harr:"↔",crarr:"↵",lArr:"⇐",uArr:"⇑",rArr:"⇒",dArr:"⇓",hArr:"⇔",forall:"∀",part:"∂",exist:"∃",empty:"∅",nabla:"∇",isin:"∈",notin:"∉",ni:"∋",prod:"∏",sum:"∑",minus:"−",lowast:"∗",radic:"√",prop:"∝",infin:"∞",ang:"∠",and:"∧",or:"∨",cap:"∩",cup:"∪",int:"∫",there4:"∴",sim:"∼",cong:"≅",asymp:"≈",ne:"≠",equiv:"≡",le:"≤",ge:"≥",sub:"⊂",sup:"⊃",nsub:"⊄",sube:"⊆",supe:"⊇",oplus:"⊕",otimes:"⊗",perp:"⊥",sdot:"⋅",lceil:"⌈",rceil:"⌉",lfloor:"⌊",rfloor:"⌋",lang:"〈",rang:"〉",loz:"◊",spades:"♠",clubs:"♣",hearts:"♥",diams:"♦",quot:'"',amp:"&",lt:"<",gt:">",OElig:"Œ",oelig:"œ",Scaron:"Š",scaron:"š",Yuml:"Ÿ",circ:"ˆ",tilde:"˜",ensp:" ",emsp:" ",thinsp:" ",zwnj:"‌",zwj:"‍",lrm:"‎",rlm:"‏",ndash:"–",mdash:"—",lsquo:"‘",rsquo:"’",sbquo:"‚",ldquo:"“",rdquo:"”",bdquo:"„",dagger:"†",Dagger:"‡",permil:"‰",lsaquo:"‹",rsaquo:"›",euro:"€"}},function(e,r,t){"use 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t!=="object"||t===null||Array.isArray(t)){return}Object.keys(t).forEach(function(u){i=safeGetProperty(e,u);n=safeGetProperty(t,u);if(n===e){return}else if(typeof n!=="object"||n===null){e[u]=n;return}else if(Array.isArray(n)){e[u]=deepCloneArray(n);return}else if(isSpecificValue(n)){e[u]=cloneSpecificValue(n);return}else if(typeof i!=="object"||i===null||Array.isArray(i)){e[u]=r({},n);return}else{e[u]=r(i,n);return}})});return e}},,function(e,r,t){"use strict";var n=t(608);var i=t(427);var u=t(263);var o=t(960);var s=t(353);e.exports=n("remark-lint:list-item-bullet-indent",listItemBulletIndent);var a=o.start;function listItemBulletIndent(e,r){var t=String(r);u(e,"list",visitor);function visitor(e){e.children.forEach(visitItems)}function visitItems(e){var n;var u;var o;if(!s(e)){n=a(e.children[0]);u=t.slice(a(e).offset,n.offset).match(/^\s*/)[0].length;if(u!==0){o="Incorrect indentation before bullet: remove "+u+" 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homedir(){var e=process.env;var r=e.HOME;var t=e.LOGNAME||e.USER||e.LNAME||e.USERNAME;if(process.platform==="win32"){return e.USERPROFILE||e.HOMEDRIVE+e.HOMEPATH||r||null}if(process.platform==="darwin"){return r||(t?"/Users/"+t:null)}if(process.platform==="linux"){return r||(process.getuid()===0?"/root":t?"/home/"+t:null)}return r||null}e.exports=typeof n.homedir==="function"?n.homedir:homedir},,,function(e,r,t){"use strict";var n=t(812);var i=t(51);e.exports=toVFile;function toVFile(e){if(typeof e==="string"||n(e)){e={path:String(e)}}return i(e)}},function(e,r,t){"use strict";var n=t(591);e.exports=VMessage;function VMessagePrototype(){}VMessagePrototype.prototype=Error.prototype;VMessage.prototype=new VMessagePrototype;var i=VMessage.prototype;i.file="";i.name="";i.reason="";i.message="";i.stack="";i.fatal=null;i.column=null;i.line=null;function VMessage(e,r,t){var i;var u;var o;if(typeof 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\t\n]{2,}/.test(t.slice(n,i).match(s)[1])){r.message(a,e)}}}},,,function(e,r,t){"use strict";var n=t(536);var i=t(788);var u=t(926);var o=t(928);var s=t(542);var a=t(292);e.exports=parseEntities;var f={}.hasOwnProperty;var c=String.fromCharCode;var l=Function.prototype;var p={warning:null,reference:null,text:null,warningContext:null,referenceContext:null,textContext:null,position:{},additional:null,attribute:false,nonTerminated:true};var h=9;var v=10;var D=12;var d=32;var g=38;var m=59;var E=60;var b=61;var A=35;var C=88;var w=120;var F=65533;var y="named";var S="hexadecimal";var _="decimal";var B={};B[S]=16;B[_]=10;var O={};O[y]=s;O[_]=u;O[S]=o;var k=1;var x=2;var R=3;var T=4;var I=5;var L=6;var M=7;var j={};j[k]="Named character references must be terminated by a semicolon";j[x]="Numeric character references must be terminated by a semicolon";j[R]="Named character references cannot be empty";j[T]="Numeric character references cannot be empty";j[I]="Named character references must be known";j[L]="Numeric character references cannot be disallowed";j[M]="Numeric character references cannot be outside the permissible Unicode range";function parseEntities(e,r){var t={};var n;var i;if(!r){r={}}for(i in p){n=r[i];t[i]=n===null||n===undefined?p[i]:n}if(t.position.indent||t.position.start){t.indent=t.position.indent||[];t.position=t.position.start}return parse(e,t)}function parse(e,r){var t=r.additional;var u=r.nonTerminated;var o=r.text;var p=r.reference;var P=r.warning;var N=r.textContext;var $=r.referenceContext;var H=r.warningContext;var U=r.position;var W=r.indent||[];var G=e.length;var q=0;var Y=-1;var z=U.column||1;var V=U.line||1;var J="";var Z=[];var Q;var X;var K;var ee;var re;var te;var ne;var ie;var ue;var oe;var se;var ae;var fe;var ce;var le;var pe;var he;var ve;var De;if(typeof t==="string"){t=t.charCodeAt(0)}pe=now();ie=P?parseError:l;q--;G++;while(++q65535){te-=65536;oe+=c(te>>>(10&1023)|55296);te=56320|te&1023}te=oe+c(te)}}if(te){flush();pe=now();q=De-1;z+=De-fe+1;Z.push(te);he=now();he.offset++;if(p){p.call($,te,{start:pe,end:he},e.slice(fe-1,De))}pe=he}else{ee=e.slice(fe-1,De);J+=ee;z+=ee.length;q=De-1}}else{if(re===10){V++;Y++;z=0}if(re===re){J+=c(re);z++}else{flush()}}}return Z.join("");function now(){return{line:V,column:z,offset:q+(U.offset||0)}}function parseError(e,r){var t=now();t.column+=r;t.offset+=r;P.call(H,j[e],t,e)}function flush(){if(J){Z.push(J);if(o){o.call(N,J,{start:pe,end:now()})}J=""}}}function prohibited(e){return e>=55296&&e<=57343||e>1114111}function disallowed(e){return e>=1&&e<=8||e===11||e>=13&&e<=31||e>=127&&e<=159||e>=64976&&e<=65007||(e&65535)===65535||(e&65535)===65534}},,function(e,r,t){"use strict";var n=t(940);var i=t(2);var u=t(555);var o=t(394);var s=t(617);e.exports=setOptions;var a={entities:{true:true,false:true,numbers:true,escape:true},bullet:{"*":true,"-":true,"+":true},rule:{"-":true,_:true,"*":true},listItemIndent:{tab:true,mixed:true,1:true},emphasis:{_:true,"*":true},strong:{_:true,"*":true},fence:{"`":true,"~":true}};var f={boolean:validateBoolean,string:validateString,number:validateNumber,function:validateFunction};function setOptions(e){var r=this;var t=r.options;var i;var s;if(e==null){e={}}else if(typeof e==="object"){e=n(e)}else{throw new Error("Invalid value `"+e+"` for setting `options`")}for(s in u){f[typeof u[s]](e,s,t[s],a[s])}i=e.ruleRepetition;if(i&&i<3){raise(i,"options.ruleRepetition")}r.encode=encodeFactory(String(e.entities));r.escape=o(e);r.options=e;return r}function validateBoolean(e,r,t){var n=e[r];if(n==null){n=t}if(typeof n!=="boolean"){raise(n,"options."+r)}e[r]=n}function validateNumber(e,r,t){var n=e[r];if(n==null){n=t}if(isNaN(n)){raise(n,"options."+r)}e[r]=n}function validateString(e,r,t,n){var i=e[r];if(i==null){i=t}i=String(i);if(!(i in n)){raise(i,"options."+r)}e[r]=i}function validateFunction(e,r,t){var n=e[r];if(n==null){n=t}if(typeof n!=="function"){raise(n,"options."+r)}e[r]=n}function encodeFactory(e){var r={};if(e==="false"){return s}if(e==="true"){r.useNamedReferences=true}if(e==="escape"){r.escapeOnly=true;r.useNamedReferences=true}return wrapped;function wrapped(e){return i(e,r)}}function raise(e,r){throw new Error("Invalid value `"+e+"` for setting `"+r+"`")}},,,function(e){e.exports=require("module")},function(e){e.exports={AEli:"Æ",AElig:"Æ",AM:"&",AMP:"&",Aacut:"Á",Aacute:"Á",Abreve:"Ă",Acir:"Â",Acirc:"Â",Acy:"А",Afr:"𝔄",Agrav:"À",Agrave:"À",Alpha:"Α",Amacr:"Ā",And:"⩓",Aogon:"Ą",Aopf:"𝔸",ApplyFunction:"⁡",Arin:"Å",Aring:"Å",Ascr:"𝒜",Assign:"≔",Atild:"Ã",Atilde:"Ã",Aum:"Ä",Auml:"Ä",Backslash:"∖",Barv:"⫧",Barwed:"⌆",Bcy:"Б",Because:"∵",Bernoullis:"ℬ",Beta:"Β",Bfr:"𝔅",Bopf:"𝔹",Breve:"˘",Bscr:"ℬ",Bumpeq:"≎",CHcy:"Ч",COP:"©",COPY:"©",Cacute:"Ć",Cap:"⋒",CapitalDifferentialD:"ⅅ",Cayleys:"ℭ",Ccaron:"Č",Ccedi:"Ç",Ccedil:"Ç",Ccirc:"Ĉ",Cconint:"∰",Cdot:"Ċ",Cedilla:"¸",CenterDot:"·",Cfr:"ℭ",Chi:"Χ",CircleDot:"⊙",CircleMinus:"⊖",CirclePlus:"⊕",CircleTimes:"⊗",ClockwiseContourIntegral:"∲",CloseCurlyDoubleQuote:"”",CloseCurlyQuote:"’",Colon:"∷",Colone:"⩴",Congruent:"≡",Conint:"∯",ContourIntegral:"∮",Copf:"ℂ",Coproduct:"∐",CounterClockwiseContourIntegral:"∳",Cross:"⨯",Cscr:"𝒞",Cup:"⋓",CupCap:"≍",DD:"ⅅ",DDotrahd:"⤑",DJcy:"Ђ",DScy:"Ѕ",DZcy:"Џ",Dagger:"‡",Darr:"↡",Dashv:"⫤",Dcaron:"Ď",Dcy:"Д",Del:"∇",Delta:"Δ",Dfr:"𝔇",DiacriticalAcute:"´",DiacriticalDot:"˙",DiacriticalDoubleAcute:"˝",DiacriticalGrave:"`",DiacriticalTilde:"˜",Diamond:"⋄",DifferentialD:"ⅆ",Dopf:"𝔻",Dot:"¨",DotDot:"⃜",DotEqual:"≐",DoubleContourIntegral:"∯",DoubleDot:"¨",DoubleDownArrow:"⇓",DoubleLeftArrow:"⇐",DoubleLeftRightArrow:"⇔",DoubleLeftTee:"⫤",DoubleLongLeftArrow:"⟸",DoubleLongLeftRightArrow:"⟺",DoubleLongRightArrow:"⟹",DoubleRightArrow:"⇒",DoubleRightTee:"⊨",DoubleUpArrow:"⇑",DoubleUpDownArrow:"⇕",DoubleVerticalBar:"∥",DownArrow:"↓",DownArrowBar:"⤓",DownArrowUpArrow:"⇵",DownBreve:"̑",DownLeftRightVector:"⥐",DownLeftTeeVector:"⥞",DownLeftVector:"↽",DownLeftVectorBar:"⥖",DownRightTeeVector:"⥟",DownRightVector:"⇁",DownRightVectorBar:"⥗",DownTee:"⊤",DownTeeArrow:"↧",Downarrow:"⇓",Dscr:"𝒟",Dstrok:"Đ",ENG:"Ŋ",ET:"Ð",ETH:"Ð",Eacut:"É",Eacute:"É",Ecaron:"Ě",Ecir:"Ê",Ecirc:"Ê",Ecy:"Э",Edot:"Ė",Efr:"𝔈",Egrav:"È",Egrave:"È",Element:"∈",Emacr:"Ē",EmptySmallSquare:"◻",EmptyVerySmallSquare:"▫",Eogon:"Ę",Eopf:"𝔼",Epsilon:"Ε",Equal:"⩵",EqualTilde:"≂",Equilibrium:"⇌",Escr:"ℰ",Esim:"⩳",Eta:"Η",Eum:"Ë",Euml:"Ë",Exists:"∃",ExponentialE:"ⅇ",Fcy:"Ф",Ffr:"𝔉",FilledSmallSquare:"◼",FilledVerySmallSquare:"▪",Fopf:"𝔽",ForAll:"∀",Fouriertrf:"ℱ",Fscr:"ℱ",GJcy:"Ѓ",G:">",GT:">",Gamma:"Γ",Gammad:"Ϝ",Gbreve:"Ğ",Gcedil:"Ģ",Gcirc:"Ĝ",Gcy:"Г",Gdot:"Ġ",Gfr:"𝔊",Gg:"⋙",Gopf:"𝔾",GreaterEqual:"≥",GreaterEqualLess:"⋛",GreaterFullEqual:"≧",GreaterGreater:"⪢",GreaterLess:"≷",GreaterSlantEqual:"⩾",GreaterTilde:"≳",Gscr:"𝒢",Gt:"≫",HARDcy:"Ъ",Hacek:"ˇ",Hat:"^",Hcirc:"Ĥ",Hfr:"ℌ",HilbertSpace:"ℋ",Hopf:"ℍ",HorizontalLine:"─",Hscr:"ℋ",Hstrok:"Ħ",HumpDownHump:"≎",HumpEqual:"≏",IEcy:"Е",IJlig:"IJ",IOcy:"Ё",Iacut:"Í",Iacute:"Í",Icir:"Î",Icirc:"Î",Icy:"И",Idot:"İ",Ifr:"ℑ",Igrav:"Ì",Igrave:"Ì",Im:"ℑ",Imacr:"Ī",ImaginaryI:"ⅈ",Implies:"⇒",Int:"∬",Integral:"∫",Intersection:"⋂",InvisibleComma:"⁣",InvisibleTimes:"⁢",Iogon:"Į",Iopf:"𝕀",Iota:"Ι",Iscr:"ℐ",Itilde:"Ĩ",Iukcy:"І",Ium:"Ï",Iuml:"Ï",Jcirc:"Ĵ",Jcy:"Й",Jfr:"𝔍",Jopf:"𝕁",Jscr:"𝒥",Jsercy:"Ј",Jukcy:"Є",KHcy:"Х",KJcy:"Ќ",Kappa:"Κ",Kcedil:"Ķ",Kcy:"К",Kfr:"𝔎",Kopf:"𝕂",Kscr:"𝒦",LJcy:"Љ",L:"<",LT:"<",Lacute:"Ĺ",Lambda:"Λ",Lang:"⟪",Laplacetrf:"ℒ",Larr:"↞",Lcaron:"Ľ",Lcedil:"Ļ",Lcy:"Л",LeftAngleBracket:"⟨",LeftArrow:"←",LeftArrowBar:"⇤",LeftArrowRightArrow:"⇆",LeftCeiling:"⌈",LeftDoubleBracket:"⟦",LeftDownTeeVector:"⥡",LeftDownVector:"⇃",LeftDownVectorBar:"⥙",LeftFloor:"⌊",LeftRightArrow:"↔",LeftRightVector:"⥎",LeftTee:"⊣",LeftTeeArrow:"↤",LeftTeeVector:"⥚",LeftTriangle:"⊲",LeftTriangleBar:"⧏",LeftTriangleEqual:"⊴",LeftUpDownVector:"⥑",LeftUpTeeVector:"⥠",LeftUpVector:"↿",LeftUpVectorBar:"⥘",LeftVector:"↼",LeftVectorBar:"⥒",Leftarrow:"⇐",Leftrightarrow:"⇔",LessEqualGreater:"⋚",LessFullEqual:"≦",LessGreater:"≶",LessLess:"⪡",LessSlantEqual:"⩽",LessTilde:"≲",Lfr:"𝔏",Ll:"⋘",Lleftarrow:"⇚",Lmidot:"Ŀ",LongLeftArrow:"⟵",LongLeftRightArrow:"⟷",LongRightArrow:"⟶",Longleftarrow:"⟸",Longleftrightarrow:"⟺",Longrightarrow:"⟹",Lopf:"𝕃",LowerLeftArrow:"↙",LowerRightArrow:"↘",Lscr:"ℒ",Lsh:"↰",Lstrok:"Ł",Lt:"≪",Map:"⤅",Mcy:"М",MediumSpace:" ",Mellintrf:"ℳ",Mfr:"𝔐",MinusPlus:"∓",Mopf:"𝕄",Mscr:"ℳ",Mu:"Μ",NJcy:"Њ",Nacute:"Ń",Ncaron:"Ň",Ncedil:"Ņ",Ncy:"Н",NegativeMediumSpace:"​",NegativeThickSpace:"​",NegativeThinSpace:"​",NegativeVeryThinSpace:"​",NestedGreaterGreater:"≫",NestedLessLess:"≪",NewLine:"\n",Nfr:"𝔑",NoBreak:"⁠",NonBreakingSpace:" ",Nopf:"ℕ",Not:"⫬",NotCongruent:"≢",NotCupCap:"≭",NotDoubleVerticalBar:"∦",NotElement:"∉",NotEqual:"≠",NotEqualTilde:"≂̸",NotExists:"∄",NotGreater:"≯",NotGreaterEqual:"≱",NotGreaterFullEqual:"≧̸",NotGreaterGreater:"≫̸",NotGreaterLess:"≹",NotGreaterSlantEqual:"⩾̸",NotGreaterTilde:"≵",NotHumpDownHump:"≎̸",NotHumpEqual:"≏̸",NotLeftTriangle:"⋪",NotLeftTriangleBar:"⧏̸",NotLeftTriangleEqual:"⋬",NotLess:"≮",NotLessEqual:"≰",NotLessGreater:"≸",NotLessLess:"≪̸",NotLessSlantEqual:"⩽̸",NotLessTilde:"≴",NotNestedGreaterGreater:"⪢̸",NotNestedLessLess:"⪡̸",NotPrecedes:"⊀",NotPrecedesEqual:"⪯̸",NotPrecedesSlantEqual:"⋠",NotReverseElement:"∌",NotRightTriangle:"⋫",NotRightTriangleBar:"⧐̸",NotRightTriangleEqual:"⋭",NotSquareSubset:"⊏̸",NotSquareSubsetEqual:"⋢",NotSquareSuperset:"⊐̸",NotSquareSupersetEqual:"⋣",NotSubset:"⊂⃒",NotSubsetEqual:"⊈",NotSucceeds:"⊁",NotSucceedsEqual:"⪰̸",NotSucceedsSlantEqual:"⋡",NotSucceedsTilde:"≿̸",NotSuperset:"⊃⃒",NotSupersetEqual:"⊉",NotTilde:"≁",NotTildeEqual:"≄",NotTildeFullEqual:"≇",NotTildeTilde:"≉",NotVerticalBar:"∤",Nscr:"𝒩",Ntild:"Ñ",Ntilde:"Ñ",Nu:"Ν",OElig:"Œ",Oacut:"Ó",Oacute:"Ó",Ocir:"Ô",Ocirc:"Ô",Ocy:"О",Odblac:"Ő",Ofr:"𝔒",Ograv:"Ò",Ograve:"Ò",Omacr:"Ō",Omega:"Ω",Omicron:"Ο",Oopf:"𝕆",OpenCurlyDoubleQuote:"“",OpenCurlyQuote:"‘",Or:"⩔",Oscr:"𝒪",Oslas:"Ø",Oslash:"Ø",Otild:"Õ",Otilde:"Õ",Otimes:"⨷",Oum:"Ö",Ouml:"Ö",OverBar:"‾",OverBrace:"⏞",OverBracket:"⎴",OverParenthesis:"⏜",PartialD:"∂",Pcy:"П",Pfr:"𝔓",Phi:"Φ",Pi:"Π",PlusMinus:"±",Poincareplane:"ℌ",Popf:"ℙ",Pr:"⪻",Precedes:"≺",PrecedesEqual:"⪯",PrecedesSlantEqual:"≼",PrecedesTilde:"≾",Prime:"″",Product:"∏",Proportion:"∷",Proportional:"∝",Pscr:"𝒫",Psi:"Ψ",QUO:'"',QUOT:'"',Qfr:"𝔔",Qopf:"ℚ",Qscr:"𝒬",RBarr:"⤐",RE:"®",REG:"®",Racute:"Ŕ",Rang:"⟫",Rarr:"↠",Rarrtl:"⤖",Rcaron:"Ř",Rcedil:"Ŗ",Rcy:"Р",Re:"ℜ",ReverseElement:"∋",ReverseEquilibrium:"⇋",ReverseUpEquilibrium:"⥯",Rfr:"ℜ",Rho:"Ρ",RightAngleBracket:"⟩",RightArrow:"→",RightArrowBar:"⇥",RightArrowLeftArrow:"⇄",RightCeiling:"⌉",RightDoubleBracket:"⟧",RightDownTeeVector:"⥝",RightDownVector:"⇂",RightDownVectorBar:"⥕",RightFloor:"⌋",RightTee:"⊢",RightTeeArrow:"↦",RightTeeVector:"⥛",RightTriangle:"⊳",RightTriangleBar:"⧐",RightTriangleEqual:"⊵",RightUpDownVector:"⥏",RightUpTeeVector:"⥜",RightUpVector:"↾",RightUpVectorBar:"⥔",RightVector:"⇀",RightVectorBar:"⥓",Rightarrow:"⇒",Ropf:"ℝ",RoundImplies:"⥰",Rrightarrow:"⇛",Rscr:"ℛ",Rsh:"↱",RuleDelayed:"⧴",SHCHcy:"Щ",SHcy:"Ш",SOFTcy:"Ь",Sacute:"Ś",Sc:"⪼",Scaron:"Š",Scedil:"Ş",Scirc:"Ŝ",Scy:"С",Sfr:"𝔖",ShortDownArrow:"↓",ShortLeftArrow:"←",ShortRightArrow:"→",ShortUpArrow:"↑",Sigma:"Σ",SmallCircle:"∘",Sopf:"𝕊",Sqrt:"√",Square:"□",SquareIntersection:"⊓",SquareSubset:"⊏",SquareSubsetEqual:"⊑",SquareSuperset:"⊐",SquareSupersetEqual:"⊒",SquareUnion:"⊔",Sscr:"𝒮",Star:"⋆",Sub:"⋐",Subset:"⋐",SubsetEqual:"⊆",Succeeds:"≻",SucceedsEqual:"⪰",SucceedsSlantEqual:"≽",SucceedsTilde:"≿",SuchThat:"∋",Sum:"∑",Sup:"⋑",Superset:"⊃",SupersetEqual:"⊇",Supset:"⋑",THOR:"Þ",THORN:"Þ",TRADE:"™",TSHcy:"Ћ",TScy:"Ц",Tab:"\t",Tau:"Τ",Tcaron:"Ť",Tcedil:"Ţ",Tcy:"Т",Tfr:"𝔗",Therefore:"∴",Theta:"Θ",ThickSpace:"  ",ThinSpace:" ",Tilde:"∼",TildeEqual:"≃",TildeFullEqual:"≅",TildeTilde:"≈",Topf:"𝕋",TripleDot:"⃛",Tscr:"𝒯",Tstrok:"Ŧ",Uacut:"Ú",Uacute:"Ú",Uarr:"↟",Uarrocir:"⥉",Ubrcy:"Ў",Ubreve:"Ŭ",Ucir:"Û",Ucirc:"Û",Ucy:"У",Udblac:"Ű",Ufr:"𝔘",Ugrav:"Ù",Ugrave:"Ù",Umacr:"Ū",UnderBar:"_",UnderBrace:"⏟",UnderBracket:"⎵",UnderParenthesis:"⏝",Union:"⋃",UnionPlus:"⊎",Uogon:"Ų",Uopf:"𝕌",UpArrow:"↑",UpArrowBar:"⤒",UpArrowDownArrow:"⇅",UpDownArrow:"↕",UpEquilibrium:"⥮",UpTee:"⊥",UpTeeArrow:"↥",Uparrow:"⇑",Updownarrow:"⇕",UpperLeftArrow:"↖",UpperRightArrow:"↗",Upsi:"ϒ",Upsilon:"Υ",Uring:"Ů",Uscr:"𝒰",Utilde:"Ũ",Uum:"Ü",Uuml:"Ü",VDash:"⊫",Vbar:"⫫",Vcy:"В",Vdash:"⊩",Vdashl:"⫦",Vee:"⋁",Verbar:"‖",Vert:"‖",VerticalBar:"∣",VerticalLine:"|",VerticalSeparator:"❘",VerticalTilde:"≀",VeryThinSpace:" ",Vfr:"𝔙",Vopf:"𝕍",Vscr:"𝒱",Vvdash:"⊪",Wcirc:"Ŵ",Wedge:"⋀",Wfr:"𝔚",Wopf:"𝕎",Wscr:"𝒲",Xfr:"𝔛",Xi:"Ξ",Xopf:"𝕏",Xscr:"𝒳",YAcy:"Я",YIcy:"Ї",YUcy:"Ю",Yacut:"Ý",Yacute:"Ý",Ycirc:"Ŷ",Ycy:"Ы",Yfr:"𝔜",Yopf:"𝕐",Yscr:"𝒴",Yuml:"Ÿ",ZHcy:"Ж",Zacute:"Ź",Zcaron:"Ž",Zcy:"З",Zdot:"Ż",ZeroWidthSpace:"​",Zeta:"Ζ",Zfr:"ℨ",Zopf:"ℤ",Zscr:"𝒵",aacut:"á",aacute:"á",abreve:"ă",ac:"∾",acE:"∾̳",acd:"∿",acir:"â",acirc:"â",acut:"´",acute:"´",acy:"а",aeli:"æ",aelig:"æ",af:"⁡",afr:"𝔞",agrav:"à",agrave:"à",alefsym:"ℵ",aleph:"ℵ",alpha:"α",amacr:"ā",amalg:"⨿",am:"&",amp:"&",and:"∧",andand:"⩕",andd:"⩜",andslope:"⩘",andv:"⩚",ang:"∠",ange:"⦤",angle:"∠",angmsd:"∡",angmsdaa:"⦨",angmsdab:"⦩",angmsdac:"⦪",angmsdad:"⦫",angmsdae:"⦬",angmsdaf:"⦭",angmsdag:"⦮",angmsdah:"⦯",angrt:"∟",angrtvb:"⊾",angrtvbd:"⦝",angsph:"∢",angst:"Å",angzarr:"⍼",aogon:"ą",aopf:"𝕒",ap:"≈",apE:"⩰",apacir:"⩯",ape:"≊",apid:"≋",apos:"'",approx:"≈",approxeq:"≊",arin:"å",aring:"å",ascr:"𝒶",ast:"*",asymp:"≈",asympeq:"≍",atild:"ã",atilde:"ã",aum:"ä",auml:"ä",awconint:"∳",awint:"⨑",bNot:"⫭",backcong:"≌",backepsilon:"϶",backprime:"‵",backsim:"∽",backsimeq:"⋍",barvee:"⊽",barwed:"⌅",barwedge:"⌅",bbrk:"⎵",bbrktbrk:"⎶",bcong:"≌",bcy:"б",bdquo:"„",becaus:"∵",because:"∵",bemptyv:"⦰",bepsi:"϶",bernou:"ℬ",beta:"β",beth:"ℶ",between:"≬",bfr:"𝔟",bigcap:"⋂",bigcirc:"◯",bigcup:"⋃",bigodot:"⨀",bigoplus:"⨁",bigotimes:"⨂",bigsqcup:"⨆",bigstar:"★",bigtriangledown:"▽",bigtriangleup:"△",biguplus:"⨄",bigvee:"⋁",bigwedge:"⋀",bkarow:"⤍",blacklozenge:"⧫",blacksquare:"▪",blacktriangle:"▴",blacktriangledown:"▾",blacktriangleleft:"◂",blacktriangleright:"▸",blank:"␣",blk12:"▒",blk14:"░",blk34:"▓",block:"█",bne:"=⃥",bnequiv:"≡⃥",bnot:"⌐",bopf:"𝕓",bot:"⊥",bottom:"⊥",bowtie:"⋈",boxDL:"╗",boxDR:"╔",boxDl:"╖",boxDr:"╓",boxH:"═",boxHD:"╦",boxHU:"╩",boxHd:"╤",boxHu:"╧",boxUL:"╝",boxUR:"╚",boxUl:"╜",boxUr:"╙",boxV:"║",boxVH:"╬",boxVL:"╣",boxVR:"╠",boxVh:"╫",boxVl:"╢",boxVr:"╟",boxbox:"⧉",boxdL:"╕",boxdR:"╒",boxdl:"┐",boxdr:"┌",boxh:"─",boxhD:"╥",boxhU:"╨",boxhd:"┬",boxhu:"┴",boxminus:"⊟",boxplus:"⊞",boxtimes:"⊠",boxuL:"╛",boxuR:"╘",boxul:"┘",boxur:"└",boxv:"│",boxvH:"╪",boxvL:"╡",boxvR:"╞",boxvh:"┼",boxvl:"┤",boxvr:"├",bprime:"‵",breve:"˘",brvba:"¦",brvbar:"¦",bscr:"𝒷",bsemi:"⁏",bsim:"∽",bsime:"⋍",bsol:"\\",bsolb:"⧅",bsolhsub:"⟈",bull:"•",bullet:"•",bump:"≎",bumpE:"⪮",bumpe:"≏",bumpeq:"≏",cacute:"ć",cap:"∩",capand:"⩄",capbrcup:"⩉",capcap:"⩋",capcup:"⩇",capdot:"⩀",caps:"∩︀",caret:"⁁",caron:"ˇ",ccaps:"⩍",ccaron:"č",ccedi:"ç",ccedil:"ç",ccirc:"ĉ",ccups:"⩌",ccupssm:"⩐",cdot:"ċ",cedi:"¸",cedil:"¸",cemptyv:"⦲",cen:"¢",cent:"¢",centerdot:"·",cfr:"𝔠",chcy:"ч",check:"✓",checkmark:"✓",chi:"χ",cir:"○",cirE:"⧃",circ:"ˆ",circeq:"≗",circlearrowleft:"↺",circlearrowright:"↻",circledR:"®",circledS:"Ⓢ",circledast:"⊛",circledcirc:"⊚",circleddash:"⊝",cire:"≗",cirfnint:"⨐",cirmid:"⫯",cirscir:"⧂",clubs:"♣",clubsuit:"♣",colon:":",colone:"≔",coloneq:"≔",comma:",",commat:"@",comp:"∁",compfn:"∘",complement:"∁",complexes:"ℂ",cong:"≅",congdot:"⩭",conint:"∮",copf:"𝕔",coprod:"∐",cop:"©",copy:"©",copysr:"℗",crarr:"↵",cross:"✗",cscr:"𝒸",csub:"⫏",csube:"⫑",csup:"⫐",csupe:"⫒",ctdot:"⋯",cudarrl:"⤸",cudarrr:"⤵",cuepr:"⋞",cuesc:"⋟",cularr:"↶",cularrp:"⤽",cup:"∪",cupbrcap:"⩈",cupcap:"⩆",cupcup:"⩊",cupdot:"⊍",cupor:"⩅",cups:"∪︀",curarr:"↷",curarrm:"⤼",curlyeqprec:"⋞",curlyeqsucc:"⋟",curlyvee:"⋎",curlywedge:"⋏",curre:"¤",curren:"¤",curvearrowleft:"↶",curvearrowright:"↷",cuvee:"⋎",cuwed:"⋏",cwconint:"∲",cwint:"∱",cylcty:"⌭",dArr:"⇓",dHar:"⥥",dagger:"†",daleth:"ℸ",darr:"↓",dash:"‐",dashv:"⊣",dbkarow:"⤏",dblac:"˝",dcaron:"ď",dcy:"д",dd:"ⅆ",ddagger:"‡",ddarr:"⇊",ddotseq:"⩷",de:"°",deg:"°",delta:"δ",demptyv:"⦱",dfisht:"⥿",dfr:"𝔡",dharl:"⇃",dharr:"⇂",diam:"⋄",diamond:"⋄",diamondsuit:"♦",diams:"♦",die:"¨",digamma:"ϝ",disin:"⋲",div:"÷",divid:"÷",divide:"÷",divideontimes:"⋇",divonx:"⋇",djcy:"ђ",dlcorn:"⌞",dlcrop:"⌍",dollar:"$",dopf:"𝕕",dot:"˙",doteq:"≐",doteqdot:"≑",dotminus:"∸",dotplus:"∔",dotsquare:"⊡",doublebarwedge:"⌆",downarrow:"↓",downdownarrows:"⇊",downharpoonleft:"⇃",downharpoonright:"⇂",drbkarow:"⤐",drcorn:"⌟",drcrop:"⌌",dscr:"𝒹",dscy:"ѕ",dsol:"⧶",dstrok:"đ",dtdot:"⋱",dtri:"▿",dtrif:"▾",duarr:"⇵",duhar:"⥯",dwangle:"⦦",dzcy:"џ",dzigrarr:"⟿",eDDot:"⩷",eDot:"≑",eacut:"é",eacute:"é",easter:"⩮",ecaron:"ě",ecir:"ê",ecirc:"ê",ecolon:"≕",ecy:"э",edot:"ė",ee:"ⅇ",efDot:"≒",efr:"𝔢",eg:"⪚",egrav:"è",egrave:"è",egs:"⪖",egsdot:"⪘",el:"⪙",elinters:"⏧",ell:"ℓ",els:"⪕",elsdot:"⪗",emacr:"ē",empty:"∅",emptyset:"∅",emptyv:"∅",emsp13:" ",emsp14:" ",emsp:" ",eng:"ŋ",ensp:" ",eogon:"ę",eopf:"𝕖",epar:"⋕",eparsl:"⧣",eplus:"⩱",epsi:"ε",epsilon:"ε",epsiv:"ϵ",eqcirc:"≖",eqcolon:"≕",eqsim:"≂",eqslantgtr:"⪖",eqslantless:"⪕",equals:"=",equest:"≟",equiv:"≡",equivDD:"⩸",eqvparsl:"⧥",erDot:"≓",erarr:"⥱",escr:"ℯ",esdot:"≐",esim:"≂",eta:"η",et:"ð",eth:"ð",eum:"ë",euml:"ë",euro:"€",excl:"!",exist:"∃",expectation:"ℰ",exponentiale:"ⅇ",fallingdotseq:"≒",fcy:"ф",female:"♀",ffilig:"ffi",fflig:"ff",ffllig:"ffl",ffr:"𝔣",filig:"fi",fjlig:"fj",flat:"♭",fllig:"fl",fltns:"▱",fnof:"ƒ",fopf:"𝕗",forall:"∀",fork:"⋔",forkv:"⫙",fpartint:"⨍",frac1:"¼",frac12:"½",frac13:"⅓",frac14:"¼",frac15:"⅕",frac16:"⅙",frac18:"⅛",frac23:"⅔",frac25:"⅖",frac3:"¾",frac34:"¾",frac35:"⅗",frac38:"⅜",frac45:"⅘",frac56:"⅚",frac58:"⅝",frac78:"⅞",frasl:"⁄",frown:"⌢",fscr:"𝒻",gE:"≧",gEl:"⪌",gacute:"ǵ",gamma:"γ",gammad:"ϝ",gap:"⪆",gbreve:"ğ",gcirc:"ĝ",gcy:"г",gdot:"ġ",ge:"≥",gel:"⋛",geq:"≥",geqq:"≧",geqslant:"⩾",ges:"⩾",gescc:"⪩",gesdot:"⪀",gesdoto:"⪂",gesdotol:"⪄",gesl:"⋛︀",gesles:"⪔",gfr:"𝔤",gg:"≫",ggg:"⋙",gimel:"ℷ",gjcy:"ѓ",gl:"≷",glE:"⪒",gla:"⪥",glj:"⪤",gnE:"≩",gnap:"⪊",gnapprox:"⪊",gne:"⪈",gneq:"⪈",gneqq:"≩",gnsim:"⋧",gopf:"𝕘",grave:"`",gscr:"ℊ",gsim:"≳",gsime:"⪎",gsiml:"⪐",g:">",gt:">",gtcc:"⪧",gtcir:"⩺",gtdot:"⋗",gtlPar:"⦕",gtquest:"⩼",gtrapprox:"⪆",gtrarr:"⥸",gtrdot:"⋗",gtreqless:"⋛",gtreqqless:"⪌",gtrless:"≷",gtrsim:"≳",gvertneqq:"≩︀",gvnE:"≩︀",hArr:"⇔",hairsp:" ",half:"½",hamilt:"ℋ",hardcy:"ъ",harr:"↔",harrcir:"⥈",harrw:"↭",hbar:"ℏ",hcirc:"ĥ",hearts:"♥",heartsuit:"♥",hellip:"…",hercon:"⊹",hfr:"𝔥",hksearow:"⤥",hkswarow:"⤦",hoarr:"⇿",homtht:"∻",hookleftarrow:"↩",hookrightarrow:"↪",hopf:"𝕙",horbar:"―",hscr:"𝒽",hslash:"ℏ",hstrok:"ħ",hybull:"⁃",hyphen:"‐",iacut:"í",iacute:"í",ic:"⁣",icir:"î",icirc:"î",icy:"и",iecy:"е",iexc:"¡",iexcl:"¡",iff:"⇔",ifr:"𝔦",igrav:"ì",igrave:"ì",ii:"ⅈ",iiiint:"⨌",iiint:"∭",iinfin:"⧜",iiota:"℩",ijlig:"ij",imacr:"ī",image:"ℑ",imagline:"ℐ",imagpart:"ℑ",imath:"ı",imof:"⊷",imped:"Ƶ",in:"∈",incare:"℅",infin:"∞",infintie:"⧝",inodot:"ı",int:"∫",intcal:"⊺",integers:"ℤ",intercal:"⊺",intlarhk:"⨗",intprod:"⨼",iocy:"ё",iogon:"į",iopf:"𝕚",iota:"ι",iprod:"⨼",iques:"¿",iquest:"¿",iscr:"𝒾",isin:"∈",isinE:"⋹",isindot:"⋵",isins:"⋴",isinsv:"⋳",isinv:"∈",it:"⁢",itilde:"ĩ",iukcy:"і",ium:"ï",iuml:"ï",jcirc:"ĵ",jcy:"й",jfr:"𝔧",jmath:"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true}}}return false};const $=()=>o&&L.size<128;const H=(e,r)=>{let t=0;while(!e.indexOf(r)&&(e=i.dirname(e))!==r)t++;return t};class FsEventsHandler{constructor(e){this.fsw=e}checkIgnored(e,r){const t=this.fsw._ignoredPaths;if(this.fsw._isIgnored(e,r)){t.add(e);if(r&&r.isDirectory()){t.add(e+A)}return true}t.delete(e);t.delete(e+A)}addOrChange(e,r,t,n,i,u,o,f){const c=i.has(u)?a:s;this.handleEvent(c,e,r,t,n,i,u,o,f)}async checkFd(e,r,t,n,i,u,o,s){try{const a=await k(e,_);if(this.fsw.closed)return;await x(a);if(this.fsw.closed)return;this.addOrChange(e,r,t,n,i,u,o,s)}catch(a){if(a.code==="EACCES"){this.addOrChange(e,r,t,n,i,u,o,s)}else{this.handleEvent(c,e,r,t,n,i,u,o,s)}}}handleEvent(e,r,t,n,i,u,o,a,l){if(this.fsw.closed||this.checkIgnored(r))return;if(e===c){if(a.type===E||u.has(o)){this.fsw._remove(i,o)}}else{if(e===s){if(a.type===E)this.fsw._getWatchedDir(r);if(a.type===b&&l.followSymlinks){const e=l.depth===undefined?undefined:H(t,n)+1;return 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s}async _handleFsEventsSymlink(e,r,t,n){if(this.fsw.closed||this.fsw._symlinkPaths.has(r))return;this.fsw._symlinkPaths.set(r,true);this.fsw._incrReadyCount();try{const r=await T(e);if(this.fsw.closed)return;if(this.fsw._isIgnored(r)){return this.fsw._emitReady()}this.fsw._incrReadyCount();this._addToFsEvents(r||e,n=>{let u=e;if(r&&r!==w){u=n.replace(r,e)}else if(n!==w){u=i.join(e,n)}return t(u)},false,n)}catch(e){if(this.fsw._handleError(e)){return this.fsw._emitReady()}}}emitAdd(e,r,t,n,u){const o=t(e);const a=r.isDirectory();const c=this.fsw._getWatchedDir(i.dirname(o));const l=i.basename(o);if(a)this.fsw._getWatchedDir(o);if(c.has(l))return;c.add(l);if(!n.ignoreInitial||u===true){this.fsw._emit(a?f:s,o,r)}}initWatch(e,r,t,n){if(this.fsw.closed)return;const u=this._watchWithFsEvents(t.watchPath,i.resolve(e||t.watchPath),n,t.globFilter);this.fsw._addPathCloser(r,u)}async _addToFsEvents(e,r,t,n){if(this.fsw.closed){return}const u=this.fsw.options;const o=typeof r===F?r:S;const s=this.fsw._getWatchHelpers(e);try{const r=await I[s.statMethod](s.watchPath);if(this.fsw.closed)return;if(this.fsw._isIgnored(s.watchPath,r)){throw null}if(r.isDirectory()){if(!s.globFilter)this.emitAdd(o(e),r,o,u,t);if(n&&n>u.depth)return;this.fsw._readdirp(s.watchPath,{fileFilter:e=>s.filterPath(e),directoryFilter:e=>s.filterDir(e),...B(u.depth-(n||0))}).on(p,e=>{if(this.fsw.closed){return}if(e.stats.isDirectory()&&!s.filterPath(e))return;const r=i.join(s.watchPath,e.path);const{fullPath:n}=e;if(s.followSymlinks&&e.stats.isSymbolicLink()){const e=u.depth===undefined?undefined:H(r,i.resolve(s.watchPath))+1;this._handleFsEventsSymlink(r,n,o,e)}else{this.emitAdd(r,e.stats,o,u,t)}}).on(l,y).on(h,()=>{this.fsw._emitReady()})}else{this.emitAdd(s.watchPath,r,o,u,t);this.fsw._emitReady()}}catch(e){if(!e||this.fsw._handleError(e)){this.fsw._emitReady();this.fsw._emitReady()}}if(u.persistent&&t!==true){if(typeof r===F){this.initWatch(undefined,e,s,o)}else{let r;try{r=await 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A=h.isIgnored;var C=t(49);function glob(e,r,t){if(typeof r==="function")t=r,r={};if(!r)r={};if(r.sync){if(t)throw new TypeError("callback provided to sync glob");return p(e,r)}return new Glob(e,r,t)}glob.sync=p;var w=glob.GlobSync=p.GlobSync;glob.glob=glob;function extend(e,r){if(r===null||typeof r!=="object"){return e}var t=Object.keys(r);var n=t.length;while(n--){e[t[n]]=r[t[n]]}return e}glob.hasMagic=function(e,r){var t=extend({},r);t.noprocess=true;var n=new Glob(e,t);var i=n.minimatch.set;if(!e)return false;if(i.length>1)return true;for(var u=0;uthis.maxLength)return r();if(!this.stat&&g(this.cache,t)){var u=this.cache[t];if(Array.isArray(u))u="DIR";if(!i||u==="DIR")return r(null,u);if(i&&u==="FILE")return r()}var o;var s=this.statCache[t];if(s!==undefined){if(s===false)return r(null,s);else{var a=s.isDirectory()?"DIR":"FILE";if(i&&a==="FILE")return r();else return r(null,a,s)}}var f=this;var c=m("stat\0"+t,lstatcb_);if(c)n.lstat(t,c);function lstatcb_(i,u){if(u&&u.isSymbolicLink()){return n.stat(t,function(n,i){if(n)f._stat2(e,t,null,u,r);else f._stat2(e,t,n,i,r)})}else{f._stat2(e,t,i,u,r)}}};Glob.prototype._stat2=function(e,r,t,n,i){if(t&&(t.code==="ENOENT"||t.code==="ENOTDIR")){this.statCache[r]=false;return i()}var u=e.slice(-1)==="/";this.statCache[r]=n;if(r.slice(-1)==="/"&&n&&!n.isDirectory())return i(null,false,n);var o=true;if(n)o=n.isDirectory()?"DIR":"FILE";this.cache[r]=this.cache[r]||o;if(u&&o==="FILE")return i();return i(null,o,n)}},,function(e,r,t){"use strict";var n=t(578);var i=t(349);e.exports=footnoteDefinition;footnoteDefinition.notInList=true;footnoteDefinition.notInBlock=true;var u="\\";var o="\n";var s="\t";var a=" ";var f="[";var c="]";var l="^";var p=":";var h=/^( {4}|\t)?/gm;function footnoteDefinition(e,r,t){var v=this;var D=v.offset;var d;var g;var m;var E;var b;var A;var C;var w;var F;var y;var S;var _;if(!v.options.footnotes){return}d=0;g=r.length;m="";E=e.now();b=E.line;while(d=0){r=r.slice(1)}if(r===".inf"){return t===1?Number.POSITIVE_INFINITY:Number.NEGATIVE_INFINITY}else if(r===".nan"){return NaN}else if(r.indexOf(":")>=0){r.split(":").forEach(function(e){i.unshift(parseFloat(e,10))});r=0;n=1;i.forEach(function(e){r+=e*n;n*=60});return t*r}return t*parseFloat(r,10)}var o=/^[-+]?[0-9]+e/;function representYamlFloat(e,r){var t;if(isNaN(e)){switch(r){case"lowercase":return".nan";case"uppercase":return".NAN";case"camelcase":return".NaN"}}else if(Number.POSITIVE_INFINITY===e){switch(r){case"lowercase":return".inf";case"uppercase":return".INF";case"camelcase":return".Inf"}}else if(Number.NEGATIVE_INFINITY===e){switch(r){case"lowercase":return"-.inf";case"uppercase":return"-.INF";case"camelcase":return"-.Inf"}}else if(n.isNegativeZero(e)){return"-0.0"}t=e.toString(10);return o.test(t)?t.replace("e",".e"):t}function isFloat(e){return Object.prototype.toString.call(e)==="[object 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throwWarning(e,r){if(e.onWarning){e.onWarning.call(null,generateError(e,r))}}var F={YAML:function handleYamlDirective(e,r,t){var n,i,u;if(e.version!==null){throwError(e,"duplication of %YAML directive")}if(t.length!==1){throwError(e,"YAML directive accepts exactly one argument")}n=/^([0-9]+)\.([0-9]+)$/.exec(t[0]);if(n===null){throwError(e,"ill-formed argument of the YAML directive")}i=parseInt(n[1],10);u=parseInt(n[2],10);if(i!==1){throwError(e,"unacceptable YAML version of the document")}e.version=t[0];e.checkLineBreaks=u<2;if(u!==1&&u!==2){throwWarning(e,"unsupported YAML version of the document")}},TAG:function handleTagDirective(e,r,t){var n,i;if(t.length!==2){throwError(e,"TAG directive accepts exactly two arguments")}n=t[0];i=t[1];if(!E.test(n)){throwError(e,"ill-formed tag handle (first argument) of the TAG directive")}if(a.call(e.tagMap,n)){throwError(e,'there is a previously declared suffix for "'+n+'" tag handle')}if(!b.test(i)){throwError(e,"ill-formed tag prefix (second 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if(is_EOL(h)){a=e.line;f=e.lineStart;c=e.lineIndent;skipSeparationSpace(e,false,-1);if(e.lineIndent>=r){s=true;h=e.input.charCodeAt(e.position);continue}else{e.position=o;e.line=a;e.lineStart=f;e.lineIndent=c;break}}if(s){captureSegment(e,u,o,false);writeFoldedLines(e,e.line-a);u=o=e.position;s=false}if(!is_WHITE_SPACE(h)){o=e.position+1}h=e.input.charCodeAt(++e.position)}captureSegment(e,u,o,false);if(e.result){return true}e.kind=l;e.result=p;return false}function readSingleQuotedScalar(e,r){var t,n,i;t=e.input.charCodeAt(e.position);if(t!==39){return false}e.kind="scalar";e.result="";e.position++;n=i=e.position;while((t=e.input.charCodeAt(e.position))!==0){if(t===39){captureSegment(e,n,e.position,true);t=e.input.charCodeAt(++e.position);if(t===39){n=e.position;e.position++;i=e.position}else{return true}}else if(is_EOL(t)){captureSegment(e,n,i,true);writeFoldedLines(e,skipSeparationSpace(e,false,r));n=i=e.position}else if(e.position===e.lineStart&&testDocumentSeparator(e)){throwError(e,"unexpected end of the document within a single quoted scalar")}else{e.position++;i=e.position}}throwError(e,"unexpected end of the stream within a single quoted scalar")}function readDoubleQuotedScalar(e,r){var t,n,i,u,o,s;s=e.input.charCodeAt(e.position);if(s!==34){return false}e.kind="scalar";e.result="";e.position++;t=n=e.position;while((s=e.input.charCodeAt(e.position))!==0){if(s===34){captureSegment(e,t,e.position,true);e.position++;return true}else if(s===92){captureSegment(e,t,e.position,true);s=e.input.charCodeAt(++e.position);if(is_EOL(s)){skipSeparationSpace(e,false,r)}else if(s<256&&A[s]){e.result+=C[s];e.position++}else if((o=escapedHexLen(s))>0){i=o;u=0;for(;i>0;i--){s=e.input.charCodeAt(++e.position);if((o=fromHexCode(s))>=0){u=(u<<4)+o}else{throwError(e,"expected hexadecimal character")}}e.result+=charFromCodepoint(u);e.position++}else{throwError(e,"unknown escape sequence")}t=n=e.position}else if(is_EOL(s)){captureSegment(e,t,n,true);writeFoldedLines(e,skipSeparationSpace(e,false,r));t=n=e.position}else if(e.position===e.lineStart&&testDocumentSeparator(e)){throwError(e,"unexpected end of the document within a double quoted scalar")}else{e.position++;n=e.position}}throwError(e,"unexpected end of the stream within a double quoted scalar")}function readFlowCollection(e,r){var t=true,n,i=e.tag,u,o=e.anchor,s,a,c,l,p,h={},v,D,d,g;g=e.input.charCodeAt(e.position);if(g===91){a=93;p=false;u=[]}else if(g===123){a=125;p=true;u={}}else{return false}if(e.anchor!==null){e.anchorMap[e.anchor]=u}g=e.input.charCodeAt(++e.position);while(g!==0){skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if(g===a){e.position++;e.tag=i;e.anchor=o;e.kind=p?"mapping":"sequence";e.result=u;return true}else if(!t){throwError(e,"missed comma between flow collection entries")}D=v=d=null;c=l=false;if(g===63){s=e.input.charCodeAt(e.position+1);if(is_WS_OR_EOL(s)){c=l=true;e.position++;skipSeparationSpace(e,true,r)}}n=e.line;composeNode(e,r,f,false,true);D=e.tag;v=e.result;skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if((l||e.line===n)&&g===58){c=true;g=e.input.charCodeAt(++e.position);skipSeparationSpace(e,true,r);composeNode(e,r,f,false,true);d=e.result}if(p){storeMappingPair(e,u,h,D,v,d)}else if(c){u.push(storeMappingPair(e,null,h,D,v,d))}else{u.push(v)}skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if(g===44){t=true;g=e.input.charCodeAt(++e.position)}else{t=false}}throwError(e,"unexpected end of the stream within a flow collection")}function readBlockScalar(e,r){var t,i,u=h,o=false,s=false,a=r,f=0,c=false,l,p;p=e.input.charCodeAt(e.position);if(p===124){i=false}else if(p===62){i=true}else{return false}e.kind="scalar";e.result="";while(p!==0){p=e.input.charCodeAt(++e.position);if(p===43||p===45){if(h===u){u=p===43?D:v}else{throwError(e,"repeat of a chomping mode identifier")}}else if((l=fromDecimalCode(p))>=0){if(l===0){throwError(e,"bad explicit indentation width of a block scalar; it cannot be less than one")}else if(!s){a=r+l-1;s=true}else{throwError(e,"repeat of an indentation width identifier")}}else{break}}if(is_WHITE_SPACE(p)){do{p=e.input.charCodeAt(++e.position)}while(is_WHITE_SPACE(p));if(p===35){do{p=e.input.charCodeAt(++e.position)}while(!is_EOL(p)&&p!==0)}}while(p!==0){readLineBreak(e);e.lineIndent=0;p=e.input.charCodeAt(e.position);while((!s||e.lineIndenta){a=e.lineIndent}if(is_EOL(p)){f++;continue}if(e.lineIndentr)&&a!==0){throwError(e,"bad indentation of a sequence entry")}else if(e.lineIndentr){if(composeNode(e,r,p,true,i)){if(d){v=e.result}else{D=e.result}}if(!d){storeMappingPair(e,f,l,h,v,D,u,o);h=v=D=null}skipSeparationSpace(e,true,-1);m=e.input.charCodeAt(e.position)}if(e.lineIndent>r&&m!==0){throwError(e,"bad indentation of a mapping entry")}else if(e.lineIndentr){h=1}else if(e.lineIndent===r){h=0}else if(e.lineIndentr){h=1}else if(e.lineIndent===r){h=0}else if(e.lineIndent tag; it should be "'+m.kind+'", not "'+e.kind+'"')}if(!m.resolve(e.result)){throwError(e,"cannot resolve a node with !<"+e.tag+"> explicit tag")}else{e.result=m.construct(e.result);if(e.anchor!==null){e.anchorMap[e.anchor]=e.result}}}else{throwError(e,"unknown tag !<"+e.tag+">")}}if(e.listener!==null){e.listener("close",e)}return e.tag!==null||e.anchor!==null||D}function readDocument(e){var r=e.position,t,n,i,u=false,o;e.version=null;e.checkLineBreaks=e.legacy;e.tagMap={};e.anchorMap={};while((o=e.input.charCodeAt(e.position))!==0){skipSeparationSpace(e,true,-1);o=e.input.charCodeAt(e.position);if(e.lineIndent>0||o!==37){break}u=true;o=e.input.charCodeAt(++e.position);t=e.position;while(o!==0&&!is_WS_OR_EOL(o)){o=e.input.charCodeAt(++e.position)}n=e.input.slice(t,e.position);i=[];if(n.length<1){throwError(e,"directive name must not be less than one character in length")}while(o!==0){while(is_WHITE_SPACE(o)){o=e.input.charCodeAt(++e.position)}if(o===35){do{o=e.input.charCodeAt(++e.position)}while(o!==0&&!is_EOL(o));break}if(is_EOL(o))break;t=e.position;while(o!==0&&!is_WS_OR_EOL(o)){o=e.input.charCodeAt(++e.position)}i.push(e.input.slice(t,e.position))}if(o!==0)readLineBreak(e);if(a.call(F,n)){F[n](e,n,i)}else{throwWarning(e,'unknown document directive 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l=t(359);var p=t(793);var h=t(466),v=h.getHighWaterMark;var D=t(818).codes,d=D.ERR_INVALID_ARG_TYPE,g=D.ERR_STREAM_PUSH_AFTER_EOF,m=D.ERR_METHOD_NOT_IMPLEMENTED,E=D.ERR_STREAM_UNSHIFT_AFTER_END_EVENT;var b=t(934),A=b.emitExperimentalWarning;var C;var w;t(689)(Readable,o);var F=["error","close","destroy","pause","resume"];function prependListener(e,r,t){if(typeof e.prependListener==="function")return e.prependListener(r,t);if(!e._events||!e._events[r])e.on(r,t);else if(Array.isArray(e._events[r]))e._events[r].unshift(t);else e._events[r]=[t,e._events[r]]}function ReadableState(e,r,i){n=n||t(308);e=e||{};if(typeof i!=="boolean")i=r instanceof n;this.objectMode=!!e.objectMode;if(i)this.objectMode=this.objectMode||!!e.readableObjectMode;this.highWaterMark=v(this,e,"readableHighWaterMark",i);this.buffer=new 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this._readableState.destroyed},set:function set(e){if(!this._readableState){return}this._readableState.destroyed=e}});Readable.prototype.destroy=p.destroy;Readable.prototype._undestroy=p.undestroy;Readable.prototype._destroy=function(e,r){r(e)};Readable.prototype.push=function(e,r){var t=this._readableState;var n;if(!t.objectMode){if(typeof e==="string"){r=r||t.defaultEncoding;if(r!==t.encoding){e=s.from(e,r);r=""}n=true}}else{n=true}return readableAddChunk(this,e,r,false,n)};Readable.prototype.unshift=function(e){return readableAddChunk(this,e,null,true,false)};function readableAddChunk(e,r,t,n,i){c("readableAddChunk",r);var u=e._readableState;if(r===null){u.reading=false;onEofChunk(e,u)}else{var o;if(!i)o=chunkInvalid(u,r);if(o){e.emit("error",o)}else if(u.objectMode||r&&r.length>0){if(typeof r!=="string"&&!u.objectMode&&Object.getPrototypeOf(r)!==s.prototype){r=_uint8ArrayToBuffer(r)}if(n){if(u.endEmitted)e.emit("error",new E);else addChunk(e,u,r,true)}else if(u.ended){e.emit("error",new g)}else if(u.destroyed){return false}else{u.reading=false;if(u.decoder&&!t){r=u.decoder.write(r);if(u.objectMode||r.length!==0)addChunk(e,u,r,false);else maybeReadMore(e,u)}else{addChunk(e,u,r,false)}}}else if(!n){u.reading=false;maybeReadMore(e,u)}}return!u.ended&&(u.length=y){e=y}else{e--;e|=e>>>1;e|=e>>>2;e|=e>>>4;e|=e>>>8;e|=e>>>16;e++}return e}function howMuchToRead(e,r){if(e<=0||r.length===0&&r.ended)return 0;if(r.objectMode)return 1;if(e!==e){if(r.flowing&&r.length)return r.buffer.head.data.length;else return r.length}if(e>r.highWaterMark)r.highWaterMark=computeNewHighWaterMark(e);if(e<=r.length)return e;if(!r.ended){r.needReadable=true;return 0}return r.length}Readable.prototype.read=function(e){c("read",e);e=parseInt(e,10);var r=this._readableState;var t=e;if(e!==0)r.emittedReadable=false;if(e===0&&r.needReadable&&((r.highWaterMark!==0?r.length>=r.highWaterMark:r.length>0)||r.ended)){c("read: emitReadable",r.length,r.ended);if(r.length===0&&r.ended)endReadable(this);else emitReadable(this);return null}e=howMuchToRead(e,r);if(e===0&&r.ended){if(r.length===0)endReadable(this);return null}var n=r.needReadable;c("need readable",n);if(r.length===0||r.length-e0)i=fromList(e,r);else i=null;if(i===null){r.needReadable=true;e=0}else{r.length-=e;r.awaitDrain=0}if(r.length===0){if(!r.ended)r.needReadable=true;if(t!==e&&r.ended)endReadable(this)}if(i!==null)this.emit("data",i);return i};function onEofChunk(e,r){if(r.ended)return;if(r.decoder){var t=r.decoder.end();if(t&&t.length){r.buffer.push(t);r.length+=r.objectMode?1:t.length}}r.ended=true;if(r.sync){emitReadable(e)}else{r.needReadable=false;if(!r.emittedReadable){r.emittedReadable=true;emitReadable_(e)}}}function emitReadable(e){var r=e._readableState;r.needReadable=false;if(!r.emittedReadable){c("emitReadable",r.flowing);r.emittedReadable=true;process.nextTick(emitReadable_,e)}}function emitReadable_(e){var r=e._readableState;c("emitReadable_",r.destroyed,r.length,r.ended);if(!r.destroyed&&(r.length||r.ended)){e.emit("readable")}r.needReadable=!r.flowing&&!r.ended&&r.length<=r.highWaterMark;flow(e)}function maybeReadMore(e,r){if(!r.readingMore){r.readingMore=true;process.nextTick(maybeReadMore_,e,r)}}function maybeReadMore_(e,r){while(!r.reading&&!r.ended&&(r.length1&&indexOf(n.pipes,e)!==-1)&&!a){c("false write response, pause",n.awaitDrain);n.awaitDrain++}t.pause()}}function onerror(r){c("onerror",r);unpipe();e.removeListener("error",onerror);if(u(e,"error")===0)e.emit("error",r)}prependListener(e,"error",onerror);function onclose(){e.removeListener("finish",onfinish);unpipe()}e.once("close",onclose);function onfinish(){c("onfinish");e.removeListener("close",onclose);unpipe()}e.once("finish",onfinish);function unpipe(){c("unpipe");t.unpipe(e)}e.emit("pipe",t);if(!n.flowing){c("pipe resume");t.resume()}return e};function pipeOnDrain(e){return function pipeOnDrainFunctionResult(){var r=e._readableState;c("pipeOnDrain",r.awaitDrain);if(r.awaitDrain)r.awaitDrain--;if(r.awaitDrain===0&&u(e,"data")){r.flowing=true;flow(e)}}}Readable.prototype.unpipe=function(e){var r=this._readableState;var t={hasUnpiped:false};if(r.pipesCount===0)return this;if(r.pipesCount===1){if(e&&e!==r.pipes)return this;if(!e)e=r.pipes;r.pipes=null;r.pipesCount=0;r.flowing=false;if(e)e.emit("unpipe",this,t);return this}if(!e){var n=r.pipes;var i=r.pipesCount;r.pipes=null;r.pipesCount=0;r.flowing=false;for(var u=0;u0;if(n.flowing!==false)this.resume()}else if(e==="readable"){if(!n.endEmitted&&!n.readableListening){n.readableListening=n.needReadable=true;n.flowing=false;n.emittedReadable=false;c("on readable",n.length,n.reading);if(n.length){emitReadable(this)}else if(!n.reading){process.nextTick(nReadingNextTick,this)}}}return t};Readable.prototype.addListener=Readable.prototype.on;Readable.prototype.removeListener=function(e,r){var t=o.prototype.removeListener.call(this,e,r);if(e==="readable"){process.nextTick(updateReadableListening,this)}return t};Readable.prototype.removeAllListeners=function(e){var r=o.prototype.removeAllListeners.apply(this,arguments);if(e==="readable"||e===undefined){process.nextTick(updateReadableListening,this)}return r};function updateReadableListening(e){var r=e._readableState;r.readableListening=e.listenerCount("readable")>0;if(r.resumeScheduled&&!r.paused){r.flowing=true}else if(e.listenerCount("data")>0){e.resume()}}function nReadingNextTick(e){c("readable nexttick read 0");e.read(0)}Readable.prototype.resume=function(){var e=this._readableState;if(!e.flowing){c("resume");e.flowing=!e.readableListening;resume(this,e)}e.paused=false;return this};function resume(e,r){if(!r.resumeScheduled){r.resumeScheduled=true;process.nextTick(resume_,e,r)}}function resume_(e,r){c("resume",r.reading);if(!r.reading){e.read(0)}r.resumeScheduled=false;e.emit("resume");flow(e);if(r.flowing&&!r.reading)e.read(0)}Readable.prototype.pause=function(){c("call pause flowing=%j",this._readableState.flowing);if(this._readableState.flowing!==false){c("pause");this._readableState.flowing=false;this.emit("pause")}this._readableState.paused=true;return this};function flow(e){var r=e._readableState;c("flow",r.flowing);while(r.flowing&&e.read()!==null){}}Readable.prototype.wrap=function(e){var r=this;var t=this._readableState;var n=false;e.on("end",function(){c("wrapped end");if(t.decoder&&!t.ended){var e=t.decoder.end();if(e&&e.length)r.push(e)}r.push(null)});e.on("data",function(i){c("wrapped data");if(t.decoder)i=t.decoder.write(i);if(t.objectMode&&(i===null||i===undefined))return;else if(!t.objectMode&&(!i||!i.length))return;var u=r.push(i);if(!u){n=true;e.pause()}});for(var i in e){if(this[i]===undefined&&typeof e[i]==="function"){this[i]=function methodWrap(r){return function methodWrapReturnFunction(){return e[r].apply(e,arguments)}}(i)}}for(var u=0;u=r.length){if(r.decoder)t=r.buffer.join("");else if(r.buffer.length===1)t=r.buffer.first();else t=r.buffer.concat(r.length);r.buffer.clear()}else{t=r.buffer.consume(e,r.decoder)}return t}function endReadable(e){var r=e._readableState;c("endReadable",r.endEmitted);if(!r.endEmitted){r.ended=true;process.nextTick(endReadableNT,r,e)}}function endReadableNT(e,r){c("endReadableNT",e.endEmitted,e.length);if(!e.endEmitted&&e.length===0){e.endEmitted=true;r.readable=false;r.emit("end")}}function indexOf(e,r){for(var t=0,n=e.length;te[t])e[t]=n});return e},[]);var o=map(e,function(e){return map(e,function(e,r){var t=String(e);if(n[r]==="."){var o=dotindex(t);var s=u[r]+(/\./.test(t)?1:2)-(i(t)-o);return t+Array(s).join(" ")}else return t})});var s=reduce(o,function(e,r){forEach(r,function(r,t){var n=i(r);if(!e[t]||n>e[t])e[t]=n});return e},[]);return map(o,function(e){return map(e,function(e,r){var t=s[r]-i(e)||0;var u=Array(Math.max(t+1,1)).join(" ");if(n[r]==="r"||n[r]==="."){return u+e}if(n[r]==="c"){return Array(Math.ceil(t/2+1)).join(" ")+e+Array(Math.floor(t/2+1)).join(" ")}return e+u}).join(t).replace(/\s+$/,"")}).join("\n")};function dotindex(e){var r=/\.[^.]*$/.exec(e);return r?r.index+1:e.length}function reduce(e,r,t){if(e.reduce)return e.reduce(r,t);var n=0;var i=arguments.length>=3?t:e[n++];for(;n{const r=["[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)","(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))"].join("|");return new RegExp(r,e?undefined:"g")})},,function(e,r,t){"use strict";var n=t(622);var i=t(539);var u=t(881);e.exports=Ignore;Ignore.prototype.check=check;var o=n.dirname;var s=n.relative;var a=n.resolve;function Ignore(e){this.cwd=e.cwd;this.findUp=new u({filePath:e.ignorePath,cwd:e.cwd,detect:e.detectIgnore,names:e.ignoreName?[e.ignoreName]:[],create:create})}function check(e,r){var t=this;t.findUp.load(e,done);function done(n,i){var u;if(n){r(n)}else if(i){u=s(i.filePath,a(t.cwd,e));r(null,u?i.ignores(u):false)}else{r(null,false)}}}function create(e,r){var t=i().add(String(e));t.filePath=o(r);return t}},,,,function(e){"use strict";e.exports={gfm:true,commonmark:false,pedantic:false,entities:"false",setext:false,closeAtx:false,looseTable:false,spacedTable:true,paddedTable:true,stringLength:stringLength,incrementListMarker:true,fences:false,fence:"`",bullet:"-",listItemIndent:"tab",rule:"*",ruleSpaces:true,ruleRepetition:3,strong:"*",emphasis:"_"};function stringLength(e){return e.length}},function(e){"use strict";function YAMLException(e,r){Error.call(this);this.name="YAMLException";this.reason=e;this.mark=r;this.message=(this.reason||"(unknown reason)")+(this.mark?" 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n=t(945);e.exports=new n("tag:yaml.org,2002:str",{kind:"scalar",construct:function(e){return e!==null?e:""}})},,function(e){"use strict";e.exports=emphasis;var r="_";var t="*";function emphasis(e){var n=this.options.emphasis;var i=this.all(e).join("");if(this.options.pedantic&&n===r&&i.indexOf(n)!==-1){n=t}return n+i+n}},,function(e){"use strict";e.exports=whitespace;var r=String.fromCharCode;var t=/\s/;function whitespace(e){return t.test(typeof e==="number"?r(e):e.charAt(0))}},,,function(e,r,t){"use strict";var n=t(43);e.exports=new n({explicit:[t(574),t(921),t(988)]})},,,,,function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:table-cell-padding",tableCellPadding);var s=u.start;var a=u.end;var f={null:true,padded:true,compact:true};function tableCellPadding(e,r,t){var n=String(r);t=typeof t==="string"&&t!=="consistent"?t:null;if(f[t]!==true){r.fail("Invalid table-cell-padding style `"+t+"`")}i(e,"table",visitor);function visitor(e){var r=e.children;var u=new Array(e.align.length);var f=o(e)?-1:r.length;var c=-1;var l=[];var p;var h;var v;var D;var d;var g;var m;var E;var b;var A;var C;while(++cn){a+=" with 1 space, not "+o;if(size(u)n){r.message("Line must be at most "+n+" characters",{line:l+1,column:p+1})}}function inline(e,r,t){var i=t.children[r+1];var u;var f;if(o(e)){return}u=s(e);f=a(e);if(u.column>n||f.column1){r=Array.prototype.slice.call(arguments)}return e(r)};if("conversion"in e){r.conversion=e.conversion}return r}function wrapRounded(e){var r=function(r){if(r===undefined||r===null){return r}if(arguments.length>1){r=Array.prototype.slice.call(arguments)}var t=e(r);if(typeof t==="object"){for(var n=t.length,i=0;i-1))throw new E(e);this._writableState.defaultEncoding=e;return this};Object.defineProperty(Writable.prototype,"writableBuffer",{enumerable:false,get:function get(){return this._writableState&&this._writableState.getBuffer()}});function 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o=e.exports={rgb:{channels:3,labels:"rgb"},hsl:{channels:3,labels:"hsl"},hsv:{channels:3,labels:"hsv"},hwb:{channels:3,labels:"hwb"},cmyk:{channels:4,labels:"cmyk"},xyz:{channels:3,labels:"xyz"},lab:{channels:3,labels:"lab"},lch:{channels:3,labels:"lch"},hex:{channels:1,labels:["hex"]},keyword:{channels:1,labels:["keyword"]},ansi16:{channels:1,labels:["ansi16"]},ansi256:{channels:1,labels:["ansi256"]},hcg:{channels:3,labels:["h","c","g"]},apple:{channels:3,labels:["r16","g16","b16"]},gray:{channels:1,labels:["gray"]}};for(var s in o){if(o.hasOwnProperty(s)){if(!("channels"in o[s])){throw new Error("missing channels property: "+s)}if(!("labels"in o[s])){throw new Error("missing channel labels property: "+s)}if(o[s].labels.length!==o[s].channels){throw new Error("channel and label counts mismatch: "+s)}var a=o[s].channels;var f=o[s].labels;delete o[s].channels;delete o[s].labels;Object.defineProperty(o[s],"channels",{value:a});Object.defineProperty(o[s],"labels",{value:f})}}o.rgb.hsl=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i=Math.min(r,t,n);var u=Math.max(r,t,n);var o=u-i;var s;var a;var f;if(u===i){s=0}else if(r===u){s=(t-n)/o}else if(t===u){s=2+(n-r)/o}else if(n===u){s=4+(r-t)/o}s=Math.min(s*60,360);if(s<0){s+=360}f=(i+u)/2;if(u===i){a=0}else if(f<=.5){a=o/(u+i)}else{a=o/(2-u-i)}return[s,a*100,f*100]};o.rgb.hsv=function(e){var r;var t;var n;var i;var u;var o=e[0]/255;var s=e[1]/255;var a=e[2]/255;var f=Math.max(o,s,a);var c=f-Math.min(o,s,a);var l=function(e){return(f-e)/6/c+1/2};if(c===0){i=u=0}else{u=c/f;r=l(o);t=l(s);n=l(a);if(o===f){i=n-t}else if(s===f){i=1/3+r-n}else if(a===f){i=2/3+t-r}if(i<0){i+=1}else if(i>1){i-=1}}return[i*360,u*100,f*100]};o.rgb.hwb=function(e){var r=e[0];var t=e[1];var n=e[2];var i=o.rgb.hsl(e)[0];var u=1/255*Math.min(r,Math.min(t,n));n=1-1/255*Math.max(r,Math.max(t,n));return[i,u*100,n*100]};o.rgb.cmyk=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i;var u;var o;var s;s=Math.min(1-r,1-t,1-n);i=(1-r-s)/(1-s)||0;u=(1-t-s)/(1-s)||0;o=(1-n-s)/(1-s)||0;return[i*100,u*100,o*100,s*100]};function comparativeDistance(e,r){return Math.pow(e[0]-r[0],2)+Math.pow(e[1]-r[1],2)+Math.pow(e[2]-r[2],2)}o.rgb.keyword=function(e){var r=i[e];if(r){return r}var t=Infinity;var u;for(var o in n){if(n.hasOwnProperty(o)){var s=n[o];var a=comparativeDistance(e,s);if(a.04045?Math.pow((r+.055)/1.055,2.4):r/12.92;t=t>.04045?Math.pow((t+.055)/1.055,2.4):t/12.92;n=n>.04045?Math.pow((n+.055)/1.055,2.4):n/12.92;var i=r*.4124+t*.3576+n*.1805;var u=r*.2126+t*.7152+n*.0722;var o=r*.0193+t*.1192+n*.9505;return[i*100,u*100,o*100]};o.rgb.lab=function(e){var r=o.rgb.xyz(e);var t=r[0];var n=r[1];var i=r[2];var u;var s;var a;t/=95.047;n/=100;i/=108.883;t=t>.008856?Math.pow(t,1/3):7.787*t+16/116;n=n>.008856?Math.pow(n,1/3):7.787*n+16/116;i=i>.008856?Math.pow(i,1/3):7.787*i+16/116;u=116*n-16;s=500*(t-n);a=200*(n-i);return[u,s,a]};o.hsl.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;var i;var u;var o;var s;var a;if(t===0){a=n*255;return[a,a,a]}if(n<.5){u=n*(1+t)}else{u=n+t-n*t}i=2*n-u;s=[0,0,0];for(var f=0;f<3;f++){o=r+1/3*-(f-1);if(o<0){o++}if(o>1){o--}if(6*o<1){a=i+(u-i)*6*o}else if(2*o<1){a=u}else if(3*o<2){a=i+(u-i)*(2/3-o)*6}else{a=i}s[f]=a*255}return s};o.hsl.hsv=function(e){var r=e[0];var t=e[1]/100;var n=e[2]/100;var i=t;var u=Math.max(n,.01);var o;var s;n*=2;t*=n<=1?n:2-n;i*=u<=1?u:2-u;s=(n+t)/2;o=n===0?2*i/(u+i):2*t/(n+t);return[r,o*100,s*100]};o.hsv.rgb=function(e){var r=e[0]/60;var t=e[1]/100;var n=e[2]/100;var i=Math.floor(r)%6;var u=r-Math.floor(r);var o=255*n*(1-t);var s=255*n*(1-t*u);var a=255*n*(1-t*(1-u));n*=255;switch(i){case 0:return[n,a,o];case 1:return[s,n,o];case 2:return[o,n,a];case 3:return[o,s,n];case 4:return[a,o,n];case 5:return[n,o,s]}};o.hsv.hsl=function(e){var r=e[0];var t=e[1]/100;var n=e[2]/100;var i=Math.max(n,.01);var u;var o;var s;s=(2-t)*n;u=(2-t)*i;o=t*i;o/=u<=1?u:2-u;o=o||0;s/=2;return[r,o*100,s*100]};o.hwb.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;var i=t+n;var u;var o;var s;var a;if(i>1){t/=i;n/=i}u=Math.floor(6*r);o=1-n;s=6*r-u;if((u&1)!==0){s=1-s}a=t+s*(o-t);var f;var c;var l;switch(u){default:case 6:case 0:f=o;c=a;l=t;break;case 1:f=a;c=o;l=t;break;case 2:f=t;c=o;l=a;break;case 3:f=t;c=a;l=o;break;case 4:f=a;c=t;l=o;break;case 5:f=o;c=t;l=a;break}return[f*255,c*255,l*255]};o.cmyk.rgb=function(e){var r=e[0]/100;var t=e[1]/100;var n=e[2]/100;var i=e[3]/100;var u;var o;var s;u=1-Math.min(1,r*(1-i)+i);o=1-Math.min(1,t*(1-i)+i);s=1-Math.min(1,n*(1-i)+i);return[u*255,o*255,s*255]};o.xyz.rgb=function(e){var r=e[0]/100;var t=e[1]/100;var n=e[2]/100;var i;var u;var o;i=r*3.2406+t*-1.5372+n*-.4986;u=r*-.9689+t*1.8758+n*.0415;o=r*.0557+t*-.204+n*1.057;i=i>.0031308?1.055*Math.pow(i,1/2.4)-.055:i*12.92;u=u>.0031308?1.055*Math.pow(u,1/2.4)-.055:u*12.92;o=o>.0031308?1.055*Math.pow(o,1/2.4)-.055:o*12.92;i=Math.min(Math.max(0,i),1);u=Math.min(Math.max(0,u),1);o=Math.min(Math.max(0,o),1);return[i*255,u*255,o*255]};o.xyz.lab=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;r/=95.047;t/=100;n/=108.883;r=r>.008856?Math.pow(r,1/3):7.787*r+16/116;t=t>.008856?Math.pow(t,1/3):7.787*t+16/116;n=n>.008856?Math.pow(n,1/3):7.787*n+16/116;i=116*t-16;u=500*(r-t);o=200*(t-n);return[i,u,o]};o.lab.xyz=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;u=(r+16)/116;i=t/500+u;o=u-n/200;var s=Math.pow(u,3);var a=Math.pow(i,3);var f=Math.pow(o,3);u=s>.008856?s:(u-16/116)/7.787;i=a>.008856?a:(i-16/116)/7.787;o=f>.008856?f:(o-16/116)/7.787;i*=95.047;u*=100;o*=108.883;return[i,u,o]};o.lab.lch=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;i=Math.atan2(n,t);u=i*360/2/Math.PI;if(u<0){u+=360}o=Math.sqrt(t*t+n*n);return[r,o,u]};o.lch.lab=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;o=n/360*2*Math.PI;i=t*Math.cos(o);u=t*Math.sin(o);return[r,i,u]};o.rgb.ansi16=function(e){var r=e[0];var t=e[1];var n=e[2];var i=1 in arguments?arguments[1]:o.rgb.hsv(e)[2];i=Math.round(i/50);if(i===0){return 30}var u=30+(Math.round(n/255)<<2|Math.round(t/255)<<1|Math.round(r/255));if(i===2){u+=60}return u};o.hsv.ansi16=function(e){return o.rgb.ansi16(o.hsv.rgb(e),e[2])};o.rgb.ansi256=function(e){var r=e[0];var t=e[1];var n=e[2];if(r===t&&t===n){if(r<8){return 16}if(r>248){return 231}return Math.round((r-8)/247*24)+232}var i=16+36*Math.round(r/255*5)+6*Math.round(t/255*5)+Math.round(n/255*5);return i};o.ansi16.rgb=function(e){var r=e%10;if(r===0||r===7){if(e>50){r+=3.5}r=r/10.5*255;return[r,r,r]}var t=(~~(e>50)+1)*.5;var n=(r&1)*t*255;var i=(r>>1&1)*t*255;var u=(r>>2&1)*t*255;return[n,i,u]};o.ansi256.rgb=function(e){if(e>=232){var r=(e-232)*10+8;return[r,r,r]}e-=16;var t;var n=Math.floor(e/36)/5*255;var i=Math.floor((t=e%36)/6)/5*255;var u=t%6/5*255;return[n,i,u]};o.rgb.hex=function(e){var r=((Math.round(e[0])&255)<<16)+((Math.round(e[1])&255)<<8)+(Math.round(e[2])&255);var t=r.toString(16).toUpperCase();return"000000".substring(t.length)+t};o.hex.rgb=function(e){var r=e.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);if(!r){return[0,0,0]}var t=r[0];if(r[0].length===3){t=t.split("").map(function(e){return e+e}).join("")}var n=parseInt(t,16);var i=n>>16&255;var u=n>>8&255;var o=n&255;return[i,u,o]};o.rgb.hcg=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i=Math.max(Math.max(r,t),n);var u=Math.min(Math.min(r,t),n);var o=i-u;var s;var a;if(o<1){s=u/(1-o)}else{s=0}if(o<=0){a=0}else if(i===r){a=(t-n)/o%6}else if(i===t){a=2+(n-r)/o}else{a=4+(r-t)/o+4}a/=6;a%=1;return[a*360,o*100,s*100]};o.hsl.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=1;var i=0;if(t<.5){n=2*r*t}else{n=2*r*(1-t)}if(n<1){i=(t-.5*n)/(1-n)}return[e[0],n*100,i*100]};o.hsv.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=r*t;var i=0;if(n<1){i=(t-n)/(1-n)}return[e[0],n*100,i*100]};o.hcg.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;if(t===0){return[n*255,n*255,n*255]}var i=[0,0,0];var u=r%1*6;var o=u%1;var s=1-o;var a=0;switch(Math.floor(u)){case 0:i[0]=1;i[1]=o;i[2]=0;break;case 1:i[0]=s;i[1]=1;i[2]=0;break;case 2:i[0]=0;i[1]=1;i[2]=o;break;case 3:i[0]=0;i[1]=s;i[2]=1;break;case 4:i[0]=o;i[1]=0;i[2]=1;break;default:i[0]=1;i[1]=0;i[2]=s}a=(1-t)*n;return[(t*i[0]+a)*255,(t*i[1]+a)*255,(t*i[2]+a)*255]};o.hcg.hsv=function(e){var r=e[1]/100;var t=e[2]/100;var n=r+t*(1-r);var i=0;if(n>0){i=r/n}return[e[0],i*100,n*100]};o.hcg.hsl=function(e){var r=e[1]/100;var t=e[2]/100;var n=t*(1-r)+.5*r;var i=0;if(n>0&&n<.5){i=r/(2*n)}else if(n>=.5&&n<1){i=r/(2*(1-n))}return[e[0],i*100,n*100]};o.hcg.hwb=function(e){var r=e[1]/100;var t=e[2]/100;var n=r+t*(1-r);return[e[0],(n-r)*100,(1-n)*100]};o.hwb.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=1-t;var i=n-r;var u=0;if(i<1){u=(n-i)/(1-i)}return[e[0],i*100,u*100]};o.apple.rgb=function(e){return[e[0]/65535*255,e[1]/65535*255,e[2]/65535*255]};o.rgb.apple=function(e){return[e[0]/255*65535,e[1]/255*65535,e[2]/255*65535]};o.gray.rgb=function(e){return[e[0]/100*255,e[0]/100*255,e[0]/100*255]};o.gray.hsl=o.gray.hsv=function(e){return[0,0,e[0]]};o.gray.hwb=function(e){return[0,100,e[0]]};o.gray.cmyk=function(e){return[0,0,0,e[0]]};o.gray.lab=function(e){return[e[0],0,0]};o.gray.hex=function(e){var r=Math.round(e[0]/100*255)&255;var t=(r<<16)+(r<<8)+r;var n=t.toString(16).toUpperCase();return"000000".substring(n.length)+n};o.rgb.gray=function(e){var r=(e[0]+e[1]+e[2])/3;return[r/255*100]}},,,function(e,r,t){"use strict";var n=t(608);e.exports=n("remark-lint:final-newline",finalNewline);function finalNewline(e,r){var t=String(r);var 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u=-1;while(++u{if(e instanceof Set){e.forEach(r)}else{r(e)}};const k=(e,r,t)=>{let n=e[r];if(!(n instanceof Set)){e[r]=n=new Set([n])}n.add(t)};const x=e=>r=>{const t=e[r];if(t instanceof Set){t.clear()}else{delete e[r]}};const R=(e,r,t)=>{const n=e[r];if(n instanceof Set){n.delete(t)}else if(n===t){delete e[r]}};const T=e=>e instanceof Set?e.size===0:!e;const I=new Map;function createFsWatchInstance(e,r,t,u,o){const s=(r,n)=>{t(e);o(r,n,{watchedPath:e});if(n&&e!==n){L(i.resolve(e,n),c,i.join(e,n))}};try{return n.watch(e,r,s)}catch(e){u(e)}}const L=(e,r,t,n,i)=>{const u=I.get(e);if(!u)return;O(u[r],e=>{e(t,n,i)})};const M=(e,r,t,n)=>{const{listener:i,errHandler:u,rawEmitter:o}=n;let a=I.get(r);let f;if(!t.persistent){f=createFsWatchInstance(e,t,i,u,o);return f.close.bind(f)}if(a){k(a,c,i);k(a,l,u);k(a,p,o)}else{f=createFsWatchInstance(e,t,L.bind(null,r,c),u,L.bind(null,r,p));if(!f)return;f.on(g,async t=>{const n=L.bind(null,r,l);a.watcherUnusable=true;if(s&&t.code==="EPERM"){try{const r=await w(e,"r");await S(r);n(t)}catch(e){}}else{n(t)}});a={listeners:i,errHandlers:u,rawEmitters:o,watcher:f};I.set(r,a)}return()=>{R(a,c,i);R(a,l,u);R(a,p,o);if(T(a.listeners)){a.watcher.close();I.delete(r);h.forEach(x(a));a.watcher=undefined;Object.freeze(a)}}};const j=new Map;const P=(e,r,t,i)=>{const{listener:u,rawEmitter:o}=i;let s=j.get(r);let a=new Set;let f=new Set;const l=s&&s.options;if(l&&(l.persistentt.interval)){a=s.listeners;f=s.rawEmitters;n.unwatchFile(r);s=undefined}if(s){k(s,c,u);k(s,p,o)}else{s={listeners:u,rawEmitters:o,options:t,watcher:n.watchFile(r,t,(t,n)=>{O(s.rawEmitters,e=>{e(v,r,{curr:t,prev:n})});const i=t.mtimeMs;if(t.size!==n.size||i>n.mtimeMs||i===0){O(s.listeners,r=>r(e,t))}})};j.set(r,s)}return()=>{R(s,c,u);R(s,p,o);if(T(s.listeners)){j.delete(r);n.unwatchFile(r);s.options=s.watcher=undefined;Object.freeze(s)}}};class NodeFsHandler{constructor(e){this.fsw=e;this._boundHandleError=(r=>e._handleError(r))}_watchWithNodeFs(e,r){const t=this.fsw.options;const n=i.dirname(e);const u=i.basename(e);const s=this.fsw._getWatchedDir(n);s.add(u);const f=i.resolve(e);const c={persistent:t.persistent};if(!r)r=a;let l;if(t.usePolling){c.interval=t.enableBinaryInterval&&o(u)?t.binaryInterval:t.interval;l=P(e,f,c,{listener:r,rawEmitter:this.fsw._emitRaw})}else{l=M(e,f,c,{listener:r,errHandler:this._boundHandleError,rawEmitter:this.fsw._emitRaw})}return l}_handleFile(e,r,t){if(this.fsw.closed){return}const n=i.dirname(e);const u=i.basename(e);const o=this.fsw._getWatchedDir(n);let s=r;if(o.has(u))return;const a=this._watchWithNodeFs(e,async(r,t)=>{if(!this.fsw._throttle(C,e,5))return;if(!t||t.mtimeMs===0){try{const r=await F(e);if(this.fsw.closed)return;const t=r.atimeMs;const i=r.mtimeMs;if(!t||t<=i||i!==s.mtimeMs){this.fsw._emit(v,e,r)}s=r}catch(e){this.fsw._remove(n,u)}}else if(o.has(u)){const r=t.atimeMs;const n=t.mtimeMs;if(!r||r<=n||n!==s.mtimeMs){this.fsw._emit(v,e,t)}s=t}});if(!(t&&this.fsw.options.ignoreInitial)&&this.fsw._isntIgnored(e)){if(!this.fsw._throttle(D,e,0))return;this.fsw._emit(D,e,r)}return a}async _handleSymlink(e,r,t,n){if(this.fsw.closed){return}const i=e.fullPath;const u=this.fsw._getWatchedDir(r);if(!this.fsw.options.followSymlinks){this.fsw._incrReadyCount();const r=await _(t);if(this.fsw.closed)return;if(u.has(n)){if(this.fsw._symlinkPaths.get(i)!==r){this.fsw._symlinkPaths.set(i,r);this.fsw._emit(v,t,e.stats)}}else{u.add(n);this.fsw._symlinkPaths.set(i,r);this.fsw._emit(D,t,e.stats)}this.fsw._emitReady();return true}if(this.fsw._symlinkPaths.has(i)){return true}this.fsw._symlinkPaths.set(i,true)}_handleRead(e,r,t,n,u,o,s){e=i.join(e,f);if(!t.hasGlob){s=this.fsw._throttle("readdir",e,1e3);if(!s)return}const a=this.fsw._getWatchedDir(t.path);const c=new Set;let l=this.fsw._readdirp(e,{fileFilter:e=>t.filterPath(e),directoryFilter:e=>t.filterDir(e),depth:0}).on(m,async s=>{if(this.fsw.closed){l=undefined;return}const f=s.path;let p=i.join(e,f);c.add(f);if(s.stats.isSymbolicLink()&&await this._handleSymlink(s,e,p,f)){return}if(this.fsw.closed){l=undefined;return}if(f===n||!n&&!a.has(f)){this.fsw._incrReadyCount();p=i.join(u,i.relative(u,p));this._addToNodeFs(p,r,t,o+1)}}).on(g,this._boundHandleError);return new Promise(r=>l.once(E,()=>{if(this.fsw.closed){l=undefined;return}const f=s?s.clear():false;r();a.getChildren().filter(r=>{return r!==e&&!c.has(r)&&(!t.hasGlob||t.filterPath({fullPath:i.resolve(e,r)}))}).forEach(r=>{this.fsw._remove(e,r)});l=undefined;if(f)this._handleRead(e,false,t,n,u,o,s)}))}async _handleDir(e,r,t,n,u,o,s){const a=this.fsw._getWatchedDir(i.dirname(e));const f=a.has(i.basename(e));if(!(t&&this.fsw.options.ignoreInitial)&&!u&&!f){if(!o.hasGlob||o.globFilter(e))this.fsw._emit(d,e,r)}a.add(i.basename(e));this.fsw._getWatchedDir(e);let c;let l;const p=this.fsw.options.depth;if((p==null||n<=p)&&!this.fsw._symlinkPaths.has(s)){if(!u){await this._handleRead(e,t,o,u,e,n,c);if(this.fsw.closed)return}l=this._watchWithNodeFs(e,(r,t)=>{if(t&&t.mtimeMs===0)return;this._handleRead(r,false,o,u,e,n,c)})}return l}async _addToNodeFs(e,r,t,n,u){const o=this.fsw._emitReady;if(this.fsw._isIgnored(e)||this.fsw.closed){o();return false}const s=this.fsw._getWatchHelpers(e,n);if(!s.hasGlob&&t){s.hasGlob=t.hasGlob;s.globFilter=t.globFilter;s.filterPath=(e=>t.filterPath(e));s.filterDir=(e=>t.filterDir(e))}try{const t=await B[s.statMethod](s.watchPath);if(this.fsw.closed)return;if(this.fsw._isIgnored(s.watchPath,t)){o();return false}const a=this.fsw.options.followSymlinks&&!e.includes(A)&&!e.includes(b);let f;if(t.isDirectory()){const i=a?await _(e):e;if(this.fsw.closed)return;f=await this._handleDir(s.watchPath,t,r,n,u,s,i);if(this.fsw.closed)return;if(e!==i&&i!==undefined){this.fsw._symlinkPaths.set(i,true)}}else if(t.isSymbolicLink()){const u=a?await _(e):e;if(this.fsw.closed)return;const o=i.dirname(s.watchPath);this.fsw._getWatchedDir(o).add(s.watchPath);this.fsw._emit(D,s.watchPath,t);f=await this._handleDir(o,t,r,n,e,s,u);if(this.fsw.closed)return;if(u!==undefined){this.fsw._symlinkPaths.set(i.resolve(e),u)}}else{f=this._handleFile(s.watchPath,t,r)}o();this.fsw._addPathCloser(e,f);return false}catch(r){if(this.fsw._handleError(r)){o();return e}}}}e.exports=NodeFsHandler},function(e){"use strict";e.exports=locate;function locate(e,r){var t=e.indexOf("\n",r);while(t>r){if(e.charAt(t-1)!==" "){break}t--}return t}},function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:rule-style",ruleStyle);var s=u.start;var a=u.end;function ruleStyle(e,r,t){var n=String(r);t=typeof t==="string"&&t!=="consistent"?t:null;if(t!==null&&/[^-_* ]/.test(t)){r.fail("Invalid preferred rule-style: provide a valid markdown rule, or `'consistent'`")}i(e,"thematicBreak",visitor);function visitor(e){var i=s(e).offset;var u=a(e).offset;var f;if(!o(e)){f=n.slice(i,u);if(t){if(f!==t){r.message("Rules should use `"+t+"`",e)}}else{t=f}}}}},,function(e,r,t){e.exports=require(t.ab+"fsevents.node")},,,,,,,,,function(e,r,t){"use strict";e=t.nmd(e);const n=t(592);const i=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${t+r}m`});const u=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${38+r};5;${t}m`});const o=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${38+r};2;${t[0]};${t[1]};${t[2]}m`});function assembleStyles(){const e=new Map;const r={modifier:{reset:[0,0],bold:[1,22],dim:[2,22],italic:[3,23],underline:[4,24],inverse:[7,27],hidden:[8,28],strikethrough:[9,29]},color:{black:[30,39],red:[31,39],green:[32,39],yellow:[33,39],blue:[34,39],magenta:[35,39],cyan:[36,39],white:[37,39],gray:[90,39],redBright:[91,39],greenBright:[92,39],yellowBright:[93,39],blueBright:[94,39],magentaBright:[95,39],cyanBright:[96,39],whiteBright:[97,39]},bgColor:{bgBlack:[40,49],bgRed:[41,49],bgGreen:[42,49],bgYellow:[43,49],bgBlue:[44,49],bgMagenta:[45,49],bgCyan:[46,49],bgWhite:[47,49],bgBlackBright:[100,49],bgRedBright:[101,49],bgGreenBright:[102,49],bgYellowBright:[103,49],bgBlueBright:[104,49],bgMagentaBright:[105,49],bgCyanBright:[106,49],bgWhiteBright:[107,49]}};r.color.grey=r.color.gray;for(const t of Object.keys(r)){const n=r[t];for(const t of Object.keys(n)){const i=n[t];r[t]={open:`[${i[0]}m`,close:`[${i[1]}m`};n[t]=r[t];e.set(i[0],i[1])}Object.defineProperty(r,t,{value:n,enumerable:false});Object.defineProperty(r,"codes",{value:e,enumerable:false})}const t=e=>e;const s=(e,r,t)=>[e,r,t];r.color.close="";r.bgColor.close="";r.color.ansi={ansi:i(t,0)};r.color.ansi256={ansi256:u(t,0)};r.color.ansi16m={rgb:o(s,0)};r.bgColor.ansi={ansi:i(t,10)};r.bgColor.ansi256={ansi256:u(t,10)};r.bgColor.ansi16m={rgb:o(s,10)};for(let e of Object.keys(n)){if(typeof n[e]!=="object"){continue}const t=n[e];if(e==="ansi16"){e="ansi"}if("ansi16"in t){r.color.ansi[e]=i(t.ansi16,0);r.bgColor.ansi[e]=i(t.ansi16,10)}if("ansi256"in t){r.color.ansi256[e]=u(t.ansi256,0);r.bgColor.ansi256[e]=u(t.ansi256,10)}if("rgb"in t){r.color.ansi16m[e]=o(t.rgb,0);r.bgColor.ansi16m[e]=o(t.rgb,10)}}return r}Object.defineProperty(e,"exports",{enumerable:true,get:assembleStyles})},function(e){e.exports=[{long:"help",description:"output usage information",short:"h",type:"boolean",default:false},{long:"version",description:"output version number",short:"v",type:"boolean",default:false},{long:"output",description:"specify output location",short:"o",value:"[path]"},{long:"rc-path",description:"specify configuration file",short:"r",type:"string",value:""},{long:"ignore-path",description:"specify ignore file",short:"i",type:"string",value:""},{long:"setting",description:"specify settings",short:"s",type:"string",value:""},{long:"ext",description:"specify extensions",short:"e",type:"string",value:""},{long:"use",description:"use plugins",short:"u",type:"string",value:""},{long:"watch",description:"watch for changes and reprocess",short:"w",type:"boolean",default:false},{long:"quiet",description:"output only warnings and errors",short:"q",type:"boolean",default:false},{long:"silent",description:"output only errors",short:"S",type:"boolean",default:false},{long:"frail",description:"exit with 1 on warnings",short:"f",type:"boolean",default:false},{long:"tree",description:"specify input and output as syntax tree",short:"t",type:"boolean",default:false},{long:"report",description:"specify reporter",type:"string",value:""},{long:"file-path",description:"specify path to process as",type:"string",value:""},{long:"ignore-pattern",description:"specify ignore patterns",type:"string",value:""},{long:"tree-in",description:"specify input as syntax tree",type:"boolean"},{long:"tree-out",description:"output syntax tree",type:"boolean"},{long:"inspect",description:"output formatted syntax tree",type:"boolean"},{long:"stdout",description:"specify writing to stdout",type:"boolean",truelike:true},{long:"color",description:"specify color in report",type:"boolean",default:true},{long:"config",description:"search for configuration files",type:"boolean",default:true},{long:"ignore",description:"search for ignore files",type:"boolean",default:true}]},,,,function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:hard-break-spaces",hardBreakSpaces);var s="Use two spaces for hard line breaks";function hardBreakSpaces(e,r){var t=String(r);i(e,"break",visitor);function visitor(e){var n;if(!o(e)){n=t.slice(u.start(e).offset,u.end(e).offset).split("\n",1)[0].replace(/\r$/,"");if(n.length>2){r.message(s,e)}}}}},function(e){e.exports=require("util")},function(e,r,t){"use strict";var n=t(269);var i=t(449);var u=t(803);e.exports=n;n.read=u.read;n.readSync=i.read;n.write=u.write;n.writeSync=i.write},,function(e,r,t){"use strict";e.exports=Transform;var n=t(818).codes,i=n.ERR_METHOD_NOT_IMPLEMENTED,u=n.ERR_MULTIPLE_CALLBACK,o=n.ERR_TRANSFORM_ALREADY_TRANSFORMING,s=n.ERR_TRANSFORM_WITH_LENGTH_0;var a=t(308);t(689)(Transform,a);function afterTransform(e,r){var t=this._transformState;t.transforming=false;var n=t.writecb;if(n===null){return this.emit("error",new u)}t.writechunk=null;t.writecb=null;if(r!=null)this.push(r);n(e);var 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r=o[o.length-1];if(Array.isArray(r)){r.push(e)}else{r[l]=e}}if(e!==null&&typeof e==="object"){o.push(e);if(Array.isArray(e)){u="beforeArrayValue"}else{u="beforePropertyName"}}else{const e=o[o.length-1];if(e==null){u="end"}else if(Array.isArray(e)){u="afterArrayValue"}else{u="afterPropertyValue"}}}function pop(){o.pop();const e=o[o.length-1];if(e==null){u="end"}else if(Array.isArray(e)){u="afterArrayValue"}else{u="afterPropertyValue"}}function invalidChar(e){if(e===undefined){return syntaxError(`JSON5: invalid end of input at ${a}:${f}`)}return syntaxError(`JSON5: invalid character '${formatChar(e)}' at ${a}:${f}`)}function invalidEOF(){return syntaxError(`JSON5: invalid end of input at ${a}:${f}`)}function invalidIdentifier(){f-=5;return syntaxError(`JSON5: invalid identifier character at ${a}:${f}`)}function separatorChar(e){console.warn(`JSON5: '${formatChar(e)}' in strings is not valid ECMAScript; consider escaping`)}function formatChar(e){const r={"'":"\\'",'"':'\\"',"\\":"\\\\","\b":"\\b","\f":"\\f","\n":"\\n","\r":"\\r","\t":"\\t","\v":"\\v","\0":"\\0","\u2028":"\\u2028","\u2029":"\\u2029"};if(r[e]){return r[e]}if(e<" "){const r=e.charCodeAt(0).toString(16);return"\\x"+("00"+r).substring(r.length)}return e}function syntaxError(e){const r=new SyntaxError(e);r.lineNumber=a;r.columnNumber=f;return r}},function(e,r,t){"use strict";var n=t(747);var i=t(622);var u=t(827);var o=t(784)("unified-engine:find-up");var s=t(145);e.exports=FindUp;var a=n.readFile;var f=i.resolve;var c=i.relative;var l=i.join;var p=i.dirname;FindUp.prototype.load=load;function FindUp(e){var r=this;var t=e.filePath;r.cache={};r.cwd=e.cwd;r.detect=e.detect;r.names=e.names;r.create=e.create;if(t){r.givenFilePath=f(e.cwd,t)}}function load(e,r){var t=this;var n=t.cache;var i=t.givenFilePath;var h=t.givenFile;var v=t.names;var D=t.create;var d=t.cwd;var g;if(i){if(h){apply(r,h)}else{h=[r];t.givenFile=h;o("Checking given file 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e}if(e.startsWith(T)){return T+u.join(r,e.slice(1))}return u.join(r,e)};const ee=(e,r)=>e[r]===undefined;class DirEntry{constructor(e,r){this.path=e;this._removeWatcher=r;this.items=new Set}add(e){const{items:r}=this;if(!r)return;if(e!==I&&e!==L)r.add(e)}async remove(e){const{items:r}=this;if(!r)return;r.delete(e);if(!r.size){const e=this.path;try{await Y(e)}catch(r){this._removeWatcher(u.dirname(e),u.basename(e))}}}has(e){const{items:r}=this;if(!r)return;return r.has(e)}getChildren(){const{items:e}=this;if(!e)return;return[...e.values()]}dispose(){this.items.clear();delete this.path;delete this._removeWatcher;delete this.items;Object.freeze(this)}}const re="stat";const te="lstat";class WatchHelper{constructor(e,r,t,n){this.fsw=n;this.path=e=e.replace(k,H);this.watchPath=r;this.fullWatchPath=u.resolve(r);this.hasGlob=r!==e;if(e===H)this.hasGlob=false;this.globSymlink=this.hasGlob&&t?undefined:false;this.globFilter=this.hasGlob?a(e,undefined,P):false;this.dirParts=this.getDirParts(e);this.dirParts.forEach(e=>{if(e.length>1)e.pop()});this.followSymlinks=t;this.statMethod=t?re:te}checkGlobSymlink(e){if(this.globSymlink===undefined){this.globSymlink=e.fullParentDir===this.fullWatchPath?false:{realPath:e.fullParentDir,linkPath:this.fullWatchPath}}if(this.globSymlink){return e.fullPath.replace(this.globSymlink.realPath,this.globSymlink.linkPath)}return e.fullPath}entryPath(e){return u.join(this.watchPath,u.relative(this.watchPath,this.checkGlobSymlink(e)))}filterPath(e){const{stats:r}=e;if(r&&r.isSymbolicLink())return this.filterDir(e);const t=this.entryPath(e);const n=this.hasGlob&&typeof this.globFilter===$?this.globFilter(t):true;return n&&this.fsw._isntIgnored(t,r)&&this.fsw._hasReadPermissions(r)}getDirParts(e){if(!this.hasGlob)return[];const r=[];const t=e.includes(R)?l.expand(e):[e];t.forEach(e=>{r.push(u.relative(this.watchPath,e).split(B))});return r}filterDir(e){if(this.hasGlob){const r=this.getDirParts(this.checkGlobSymlink(e));let t=false;this.unmatchedGlob=!this.dirParts.some(e=>{return e.every((e,n)=>{if(e===M)t=true;return t||!r[0][n]||a(e,r[0][n],P)})})}return!this.unmatchedGlob&&this.fsw._isntIgnored(this.entryPath(e),e.stats)}}class FSWatcher extends n{constructor(e){super();const r={};if(e)Object.assign(r,e);this._watched=new Map;this._closers=new Map;this._ignoredPaths=new Set;this._throttled=new Map;this._symlinkPaths=new Map;this._streams=new Set;this.closed=false;if(ee(r,"persistent"))r.persistent=true;if(ee(r,"ignoreInitial"))r.ignoreInitial=false;if(ee(r,"ignorePermissionErrors"))r.ignorePermissionErrors=false;if(ee(r,"interval"))r.interval=100;if(ee(r,"binaryInterval"))r.binaryInterval=300;if(ee(r,"disableGlobbing"))r.disableGlobbing=false;r.enableBinaryInterval=r.binaryInterval!==r.interval;if(ee(r,"useFsEvents"))r.useFsEvents=!r.usePolling;const t=v.canUse();if(!t)r.useFsEvents=false;if(ee(r,"usePolling")&&!r.useFsEvents){r.usePolling=G}const n=process.env.CHOKIDAR_USEPOLLING;if(n!==undefined){const e=n.toLowerCase();if(e==="false"||e==="0"){r.usePolling=false}else if(e==="true"||e==="1"){r.usePolling=true}else{r.usePolling=!!e}}const i=process.env.CHOKIDAR_INTERVAL;if(i){r.interval=Number.parseInt(i,10)}if(ee(r,"atomic"))r.atomic=!r.usePolling&&!r.useFsEvents;if(r.atomic)this._pendingUnlinks=new Map;if(ee(r,"followSymlinks"))r.followSymlinks=true;if(ee(r,"awaitWriteFinish"))r.awaitWriteFinish=false;if(r.awaitWriteFinish===true)r.awaitWriteFinish={};const u=r.awaitWriteFinish;if(u){if(!u.stabilityThreshold)u.stabilityThreshold=2e3;if(!u.pollInterval)u.pollInterval=100;this._pendingWrites=new Map}if(r.ignored)r.ignored=z(r.ignored);let o=0;this._emitReady=(()=>{o++;if(o>=this._readyCount){this._emitReady=U;this._readyEmitted=true;process.nextTick(()=>this.emit(d))}});this._emitRaw=((...e)=>this.emit(C,...e));this._readyEmitted=false;this.options=r;if(r.useFsEvents){this._fsEventsHandler=new v(this)}else{this._nodeFsHandler=new h(this)}Object.freeze(r)}add(e,r,t){const{cwd:n,disableGlobbing:i}=this.options;this.closed=false;let o=J(e);if(n){o=o.map(e=>{const r=K(e,n);if(i||!c(e)){return r}return p(r)})}o=o.filter(e=>{if(e.startsWith(T)){this._ignoredPaths.add(e.slice(1));return false}this._ignoredPaths.delete(e);this._ignoredPaths.delete(e+j);this._userIgnored=undefined;return true});if(this.options.useFsEvents&&this._fsEventsHandler){if(!this._readyCount)this._readyCount=o.length;if(this.options.persistent)this._readyCount*=2;o.forEach(e=>this._fsEventsHandler._addToFsEvents(e))}else{if(!this._readyCount)this._readyCount=0;this._readyCount+=o.length;Promise.all(o.map(async e=>{const n=await this._nodeFsHandler._addToNodeFs(e,!t,0,0,r);if(n)this._emitReady();return n})).then(e=>{if(this.closed)return;e.filter(e=>e).forEach(e=>{this.add(u.dirname(e),u.basename(r||e))})})}return this}unwatch(e){if(this.closed)return this;const r=J(e);const{cwd:t}=this.options;r.forEach(e=>{if(!u.isAbsolute(e)&&!this._closers.has(e)){if(t)e=u.join(t,e);e=u.resolve(e)}this._closePath(e);this._ignoredPaths.add(e);if(this._watched.has(e)){this._ignoredPaths.add(e+j)}this._userIgnored=undefined});return this}close(){if(this.closed)return this;this.closed=true;this.removeAllListeners();const e=[];this._closers.forEach(r=>r.forEach(r=>{const t=r();if(t instanceof Promise)e.push(t)}));this._streams.forEach(e=>e.destroy());this._userIgnored=undefined;this._readyCount=0;this._readyEmitted=false;this._watched.forEach(e=>e.dispose());["closers","watched","streams","symlinkPaths","throttled"].forEach(e=>{this[`_${e}`].clear()});return e.length?Promise.all(e).then(()=>undefined):Promise.resolve()}getWatched(){const e={};this._watched.forEach((r,t)=>{const n=this.options.cwd?u.relative(this.options.cwd,t):t;e[n||I]=r.getChildren().sort()});return e}emitWithAll(e,r){this.emit(...r);if(e!==w)this.emit(D,...r)}async _emit(e,r,t,n,i){if(this.closed)return;const o=this.options;if(W)r=u.normalize(r);if(o.cwd)r=u.relative(o.cwd,r);const s=[e,r];if(i!==undefined)s.push(t,n,i);else if(n!==undefined)s.push(t,n);else if(t!==undefined)s.push(t);const a=o.awaitWriteFinish;let f;if(a&&(f=this._pendingWrites.get(r))){f.lastChange=new Date;return this}if(o.atomic){if(e===E){this._pendingUnlinks.set(r,s);setTimeout(()=>{this._pendingUnlinks.forEach((e,r)=>{this.emit(...e);this.emit(D,...e);this._pendingUnlinks.delete(r)})},typeof o.atomic==="number"?o.atomic:100);return this}if(e===g&&this._pendingUnlinks.has(r)){e=s[0]=m;this._pendingUnlinks.delete(r)}}if(a&&(e===g||e===m)&&this._readyEmitted){const t=(r,t)=>{if(r){e=s[0]=w;s[1]=r;this.emitWithAll(e,s)}else if(t){if(s.length>2){s[2]=t}else{s.push(t)}this.emitWithAll(e,s)}};this._awaitWriteFinish(r,a.stabilityThreshold,e,t);return this}if(e===m){const e=!this._throttle(m,r,50);if(e)return this}if(o.alwaysStat&&t===undefined&&(e===g||e===b||e===m)){const t=o.cwd?u.join(o.cwd,r):r;try{const r=await q(t);if(!r)return;s.push(r);this.emitWithAll(e,s)}catch(e){}}else{this.emitWithAll(e,s)}return this}_handleError(e){const r=e&&e.code;if(e&&r!=="ENOENT"&&r!=="ENOTDIR"&&(!this.options.ignorePermissionErrors||r!=="EPERM"&&r!=="EACCES")){this.emit(w,e)}return e||this.closed}_throttle(e,r,t){if(!this._throttled.has(e)){this._throttled.set(e,new Map)}const n=this._throttled.get(e);const i=n.get(r);if(i){i.count++;return false}let u;const o=()=>{const e=n.get(r);const t=e?e.count:0;n.delete(r);clearTimeout(u);if(e)clearTimeout(e.timeoutObject);return t};u=setTimeout(o,t);const s={timeoutObject:u,clear:o,count:0};n.set(r,s);return s}_incrReadyCount(){return this._readyCount++}_awaitWriteFinish(e,r,t,n){let o;let s=e;if(this.options.cwd&&!u.isAbsolute(e)){s=u.join(this.options.cwd,e)}const a=new Date;const f=t=>{i.stat(s,(i,u)=>{if(i||!this._pendingWrites.has(e)){if(i&&i.code!=="ENOENT")n(i);return}const s=Number(new Date);if(t&&u.size!==t.size){this._pendingWrites.get(e).lastChange=s}const a=this._pendingWrites.get(e);const c=s-a.lastChange;if(c>=r){this._pendingWrites.delete(e);n(undefined,u)}else{o=setTimeout(f,this.options.awaitWriteFinish.pollInterval,u)}})};if(!this._pendingWrites.has(e)){this._pendingWrites.set(e,{lastChange:a,cancelWait:()=>{this._pendingWrites.delete(e);clearTimeout(o);return t}});o=setTimeout(f,this.options.awaitWriteFinish.pollInterval)}}_getGlobIgnored(){return[...this._ignoredPaths.values()]}_isIgnored(e,r){if(this.options.atomic&&O.test(e))return true;if(!this._userIgnored){const{cwd:e}=this.options;const r=this.options.ignored;const t=r&&r.map(X(e));const n=z(t).filter(e=>typeof e===N&&!c(e)).map(e=>e+j);const i=this._getGlobIgnored().map(X(e)).concat(t,n);this._userIgnored=a(i,undefined,P)}return this._userIgnored([e,r])}_isntIgnored(e,r){return!this._isIgnored(e,r)}_getWatchHelpers(e,r){const t=r||this.options.disableGlobbing||!c(e)?e:f(e);const n=this.options.followSymlinks;return new WatchHelper(e,t,n,this)}_getWatchedDir(e){if(!this._boundRemove)this._boundRemove=this._remove.bind(this);const r=u.resolve(e);if(!this._watched.has(r))this._watched.set(r,new DirEntry(r,this._boundRemove));return this._watched.get(r)}_hasReadPermissions(e){if(this.options.ignorePermissionErrors)return true;const r=e&&Number.parseInt(e.mode,10);const t=r&511;const n=Number.parseInt(t.toString(8)[0],10);return Boolean(4&n)}_remove(e,r){const t=u.join(e,r);const n=u.resolve(t);const i=this._watched.has(t)||this._watched.has(n);if(!this._throttle("remove",t,100))return;if(!i&&!this.options.useFsEvents&&this._watched.size===1){this.add(e,r,true)}const o=this._getWatchedDir(t);const s=o.getChildren();s.forEach(e=>this._remove(t,e));const a=this._getWatchedDir(e);const f=a.has(r);a.remove(r);let c=t;if(this.options.cwd)c=u.relative(this.options.cwd,t);if(this.options.awaitWriteFinish&&this._pendingWrites.has(c)){const e=this._pendingWrites.get(c).cancelWait();if(e===g)return}this._watched.delete(t);this._watched.delete(n);const l=i?A:E;if(f&&!this._isIgnored(t))this._emit(l,t);if(!this.options.useFsEvents){this._closePath(t)}}_closePath(e){const r=this._closers.get(e);if(!r)return;r.forEach(e=>e());this._closers.delete(e);const t=u.dirname(e);this._getWatchedDir(t).remove(u.basename(e))}_addPathCloser(e,r){if(!r)return;let t=this._closers.get(e);if(!t){t=[];this._closers.set(e,t)}t.push(r)}_readdirp(e,r){if(this.closed)return;const t={type:D,alwaysStat:true,lstat:true,...r};let n=s(e,t);this._streams.add(n);n.once(F,()=>{n=undefined});n.once(y,()=>{if(n){this._streams.delete(n);n=undefined}});return n}}r.FSWatcher=FSWatcher;const ne=(e,r)=>{const t=new FSWatcher(r);t.add(e);return t};r.watch=ne},function(e,r,t){"use strict";var n=t(170);var i=t(520);e.exports=transform;function transform(e,r,t){var u=new n;e.fileSet=u;u.on("add",add).on("done",t);if(e.files.length===0){t()}else{e.files.forEach(u.add,u)}function add(t){i.run({configuration:e.configuration,processor:r.processor(),cwd:r.cwd,extensions:r.extensions,pluginPrefix:r.pluginPrefix,treeIn:r.treeIn,treeOut:r.treeOut,inspect:r.inspect,color:r.color,out:r.out,output:r.output,streamOut:r.streamOut,alwaysStringify:r.alwaysStringify},t,u,done);function done(e){if(e){e=t.message(e);e.fatal=true}u.emit("one",t)}}}},,,,,,,function(e){e.exports=function(e,r){if(!r)r={};var t={bools:{},strings:{},unknownFn:null};if(typeof r["unknown"]==="function"){t.unknownFn=r["unknown"]}if(typeof r["boolean"]==="boolean"&&r["boolean"]){t.allBools=true}else{[].concat(r["boolean"]).filter(Boolean).forEach(function(e){t.bools[e]=true})}var n={};Object.keys(r.alias||{}).forEach(function(e){n[e]=[].concat(r.alias[e]);n[e].forEach(function(r){n[r]=[e].concat(n[e].filter(function(e){return r!==e}))})});[].concat(r.string).filter(Boolean).forEach(function(e){t.strings[e]=true;if(n[e]){t.strings[n[e]]=true}});var i=r["default"]||{};var u={_:[]};Object.keys(t.bools).forEach(function(e){setArg(e,i[e]===undefined?false:i[e])});var o=[];if(e.indexOf("--")!==-1){o=e.slice(e.indexOf("--")+1);e=e.slice(0,e.indexOf("--"))}function argDefined(e,r){return t.allBools&&/^--[^=]+$/.test(r)||t.strings[e]||t.bools[e]||n[e]}function setArg(e,r,i){if(i&&t.unknownFn&&!argDefined(e,i)){if(t.unknownFn(i)===false)return}var o=!t.strings[e]&&isNumber(r)?Number(r):r;setKey(u,e.split("."),o);(n[e]||[]).forEach(function(e){setKey(u,e.split("."),o)})}function setKey(e,r,n){var i=e;r.slice(0,-1).forEach(function(e){if(i[e]===undefined)i[e]={};i=i[e]});var u=r[r.length-1];if(i[u]===undefined||t.bools[u]||typeof i[u]==="boolean"){i[u]=n}else if(Array.isArray(i[u])){i[u].push(n)}else{i[u]=[i[u],n]}}function aliasIsBoolean(e){return n[e].some(function(e){return t.bools[e]})}for(var s=0;s=e.length){if(r)r[o]=e;return t(null,e)}a.lastIndex=l;var n=a.exec(e);v=p;p+=n[0];h=v+n[1];l=a.lastIndex;if(c[h]||r&&r[h]===h){return process.nextTick(LOOP)}if(r&&Object.prototype.hasOwnProperty.call(r,h)){return gotResolvedLink(r[h])}return u.lstat(h,gotStat)}function gotStat(e,n){if(e)return t(e);if(!n.isSymbolicLink()){c[h]=true;if(r)r[h]=h;return process.nextTick(LOOP)}if(!i){var o=n.dev.toString(32)+":"+n.ino.toString(32);if(s.hasOwnProperty(o)){return gotTarget(null,s[o],h)}}u.stat(h,function(e){if(e)return t(e);u.readlink(h,function(e,r){if(!i)s[o]=r;gotTarget(e,r)})})}function gotTarget(e,i,u){if(e)return t(e);var o=n.resolve(v,i);if(r)r[u]=o;gotResolvedLink(o)}function gotResolvedLink(r){e=n.resolve(r,e.slice(l));start()}}},function(e){"use strict";e.exports=orderedItems;var r="\n";var t=".";var n=r+r;function orderedItems(e){var i=this;var u=i.visitors.listItem;var o=i.options.incrementListMarker;var s=[];var a=e.start;var f=e.children;var c=f.length;var l=-1;var 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a={entities:{true:true,false:true,numbers:true,escape:true},bullet:{"*":true,"-":true,"+":true},rule:{"-":true,_:true,"*":true},listItemIndent:{tab:true,mixed:true,1:true},emphasis:{_:true,"*":true},strong:{_:true,"*":true},fence:{"`":true,"~":true}};var f={boolean:validateBoolean,string:validateString,number:validateNumber,function:validateFunction};function setOptions(e){var r=this;var t=r.options;var i;var s;if(e==null){e={}}else if(typeof e==="object"){e=n(e)}else{throw new Error("Invalid value `"+e+"` for setting `options`")}for(s in u){f[typeof u[s]](e,s,t[s],a[s])}i=e.ruleRepetition;if(i&&i<3){raise(i,"options.ruleRepetition")}r.encode=encodeFactory(String(e.entities));r.escape=o(e);r.options=e;return r}function validateBoolean(e,r,t){var n=e[r];if(n==null){n=t}if(typeof n!=="boolean"){raise(n,"options."+r)}e[r]=n}function validateNumber(e,r,t){var n=e[r];if(n==null){n=t}if(isNaN(n)){raise(n,"options."+r)}e[r]=n}function validateString(e,r,t,n){var i=e[r];if(i==null){i=t}i=String(i);if(!(i in n)){raise(i,"options."+r)}e[r]=i}function validateFunction(e,r,t){var n=e[r];if(n==null){n=t}if(typeof n!=="function"){raise(n,"options."+r)}e[r]=n}function encodeFactory(e){var r={};if(e==="false"){return s}if(e==="true"){r.useNamedReferences=true}if(e==="escape"){r.escapeOnly=true;r.useNamedReferences=true}return wrapped;function wrapped(e){return i(e,r)}}function raise(e,r){throw new Error("Invalid value `"+e+"` for setting `"+r+"`")}},,,function(e){e.exports=require("module")},function(e){e.exports={AEli:"Æ",AElig:"Æ",AM:"&",AMP:"&",Aacut:"Á",Aacute:"Á",Abreve:"Ă",Acir:"Â",Acirc:"Â",Acy:"А",Afr:"𝔄",Agrav:"À",Agrave:"À",Alpha:"Α",Amacr:"Ā",And:"⩓",Aogon:"Ą",Aopf:"𝔸",ApplyFunction:"⁡",Arin:"Å",Aring:"Å",Ascr:"𝒜",Assign:"≔",Atild:"Ã",Atilde:"Ã",Aum:"Ä",Auml:"Ä",Backslash:"∖",Barv:"⫧",Barwed:"⌆",Bcy:"Б",Because:"∵",Bernoullis:"ℬ",Beta:"Β",Bfr:"𝔅",Bopf:"𝔹",Breve:"˘",Bscr:"ℬ",Bumpeq:"≎",CHcy:"Ч",COP:"©",COPY:"©",Cacute:"Ć",Cap:"⋒",CapitalDifferentialD:"ⅅ",Cayleys:"ℭ",Ccaron:"Č",Ccedi:"Ç",Ccedil:"Ç",Ccirc:"Ĉ",Cconint:"∰",Cdot:"Ċ",Cedilla:"¸",CenterDot:"·",Cfr:"ℭ",Chi:"Χ",CircleDot:"⊙",CircleMinus:"⊖",CirclePlus:"⊕",CircleTimes:"⊗",ClockwiseContourIntegral:"∲",CloseCurlyDoubleQuote:"”",CloseCurlyQuote:"’",Colon:"∷",Colone:"⩴",Congruent:"≡",Conint:"∯",ContourIntegral:"∮",Copf:"ℂ",Coproduct:"∐",CounterClockwiseContourIntegral:"∳",Cross:"⨯",Cscr:"𝒞",Cup:"⋓",CupCap:"≍",DD:"ⅅ",DDotrahd:"⤑",DJcy:"Ђ",DScy:"Ѕ",DZcy:"Џ",Dagger:"‡",Darr:"↡",Dashv:"⫤",Dcaron:"Ď",Dcy:"Д",Del:"∇",Delta:"Δ",Dfr:"𝔇",DiacriticalAcute:"´",DiacriticalDot:"˙",DiacriticalDoubleAcute:"˝",DiacriticalGrave:"`",DiacriticalTilde:"˜",Diamond:"⋄",DifferentialD:"ⅆ",Dopf:"𝔻",Dot:"¨",DotDot:"⃜",DotEqual:"≐",DoubleContourIntegral:"∯",DoubleDot:"¨",DoubleDownArrow:"⇓",DoubleLeftArrow:"⇐",DoubleLeftRightArrow:"⇔",DoubleLeftTee:"⫤",DoubleLongLeftArrow:"⟸",DoubleLongLeftRightArrow:"⟺",DoubleLongRightArrow:"⟹",DoubleRightArrow:"⇒",DoubleRightTee:"⊨",DoubleUpArrow:"⇑",DoubleUpDownArrow:"⇕",DoubleVerticalBar:"∥",DownArrow:"↓",DownArrowBar:"⤓",DownArrowUpArrow:"⇵",DownBreve:"̑",DownLeftRightVector:"⥐",DownLeftTeeVector:"⥞",DownLeftVector:"↽",DownLeftVectorBar:"⥖",DownRightTeeVector:"⥟",DownRightVector:"⇁",DownRightVectorBar:"⥗",DownTee:"⊤",DownTeeArrow:"↧",Downarrow:"⇓",Dscr:"𝒟",Dstrok:"Đ",ENG:"Ŋ",ET:"Ð",ETH:"Ð",Eacut:"É",Eacute:"É",Ecaron:"Ě",Ecir:"Ê",Ecirc:"Ê",Ecy:"Э",Edot:"Ė",Efr:"𝔈",Egrav:"È",Egrave:"È",Element:"∈",Emacr:"Ē",EmptySmallSquare:"◻",EmptyVerySmallSquare:"▫",Eogon:"Ę",Eopf:"𝔼",Epsilon:"Ε",Equal:"⩵",EqualTilde:"≂",Equilibrium:"⇌",Escr:"ℰ",Esim:"⩳",Eta:"Η",Eum:"Ë",Euml:"Ë",Exists:"∃",ExponentialE:"ⅇ",Fcy:"Ф",Ffr:"𝔉",FilledSmallSquare:"◼",FilledVerySmallSquare:"▪",Fopf:"𝔽",ForAll:"∀",Fouriertrf:"ℱ",Fscr:"ℱ",GJcy:"Ѓ",G:">",GT:">",Gamma:"Γ",Gammad:"Ϝ",Gbreve:"Ğ",Gcedil:"Ģ",Gcirc:"Ĝ",Gcy:"Г",Gdot:"Ġ",Gfr:"𝔊",Gg:"⋙",Gopf:"𝔾",GreaterEqual:"≥",GreaterEqualLess:"⋛",GreaterFullEqual:"≧",GreaterGreater:"⪢",GreaterLess:"≷",GreaterSlantEqual:"⩾",GreaterTilde:"≳",Gscr:"𝒢",Gt:"≫",HARDcy:"Ъ",Hacek:"ˇ",Hat:"^",Hcirc:"Ĥ",Hfr:"ℌ",HilbertSpace:"ℋ",Hopf:"ℍ",HorizontalLine:"─",Hscr:"ℋ",Hstrok:"Ħ",HumpDownHump:"≎",HumpEqual:"≏",IEcy:"Е",IJlig:"IJ",IOcy:"Ё",Iacut:"Í",Iacute:"Í",Icir:"Î",Icirc:"Î",Icy:"И",Idot:"İ",Ifr:"ℑ",Igrav:"Ì",Igrave:"Ì",Im:"ℑ",Imacr:"Ī",ImaginaryI:"ⅈ",Implies:"⇒",Int:"∬",Integral:"∫",Intersection:"⋂",InvisibleComma:"⁣",InvisibleTimes:"⁢",Iogon:"Į",Iopf:"𝕀",Iota:"Ι",Iscr:"ℐ",Itilde:"Ĩ",Iukcy:"І",Ium:"Ï",Iuml:"Ï",Jcirc:"Ĵ",Jcy:"Й",Jfr:"𝔍",Jopf:"𝕁",Jscr:"𝒥",Jsercy:"Ј",Jukcy:"Є",KHcy:"Х",KJcy:"Ќ",Kappa:"Κ",Kcedil:"Ķ",Kcy:"К",Kfr:"𝔎",Kopf:"𝕂",Kscr:"𝒦",LJcy:"Љ",L:"<",LT:"<",Lacute:"Ĺ",Lambda:"Λ",Lang:"⟪",Laplacetrf:"ℒ",Larr:"↞",Lcaron:"Ľ",Lcedil:"Ļ",Lcy:"Л",LeftAngleBracket:"⟨",LeftArrow:"←",LeftArrowBar:"⇤",LeftArrowRightArrow:"⇆",LeftCeiling:"⌈",LeftDoubleBracket:"⟦",LeftDownTeeVector:"⥡",LeftDownVector:"⇃",LeftDownVectorBar:"⥙",LeftFloor:"⌊",LeftRightArrow:"↔",LeftRightVector:"⥎",LeftTee:"⊣",LeftTeeArrow:"↤",LeftTeeVector:"⥚",LeftTriangle:"⊲",LeftTriangleBar:"⧏",LeftTriangleEqual:"⊴",LeftUpDownVector:"⥑",LeftUpTeeVector:"⥠",LeftUpVector:"↿",LeftUpVectorBar:"⥘",LeftVector:"↼",LeftVectorBar:"⥒",Leftarrow:"⇐",Leftrightarrow:"⇔",LessEqualGreater:"⋚",LessFullEqual:"≦",LessGreater:"≶",LessLess:"⪡",LessSlantEqual:"⩽",LessTilde:"≲",Lfr:"𝔏",Ll:"⋘",Lleftarrow:"⇚",Lmidot:"Ŀ",LongLeftArrow:"⟵",LongLeftRightArrow:"⟷",LongRightArrow:"⟶",Longleftarrow:"⟸",Longleftrightarrow:"⟺",Longrightarrow:"⟹",Lopf:"𝕃",LowerLeftArrow:"↙",LowerRightArrow:"↘",Lscr:"ℒ",Lsh:"↰",Lstrok:"Ł",Lt:"≪",Map:"⤅",Mcy:"М",MediumSpace:" ",Mellintrf:"ℳ",Mfr:"𝔐",MinusPlus:"∓",Mopf:"𝕄",Mscr:"ℳ",Mu:"Μ",NJcy:"Њ",Nacute:"Ń",Ncaron:"Ň",Ncedil:"Ņ",Ncy:"Н",NegativeMediumSpace:"​",NegativeThickSpace:"​",NegativeThinSpace:"​",NegativeVeryThinSpace:"​",NestedGreaterGreater:"≫",NestedLessLess:"≪",NewLine:"\n",Nfr:"𝔑",NoBreak:"⁠",NonBreakingSpace:" ",Nopf:"ℕ",Not:"⫬",NotCongruent:"≢",NotCupCap:"≭",NotDoubleVerticalBar:"∦",NotElement:"∉",NotEqual:"≠",NotEqualTilde:"≂̸",NotExists:"∄",NotGreater:"≯",NotGreaterEqual:"≱",NotGreaterFullEqual:"≧̸",NotGreaterGreater:"≫̸",NotGreaterLess:"≹",NotGreaterSlantEqual:"⩾̸",NotGreaterTilde:"≵",NotHumpDownHump:"≎̸",NotHumpEqual:"≏̸",NotLeftTriangle:"⋪",NotLeftTriangleBar:"⧏̸",NotLeftTriangleEqual:"⋬",NotLess:"≮",NotLessEqual:"≰",NotLessGreater:"≸",NotLessLess:"≪̸",NotLessSlantEqual:"⩽̸",NotLessTilde:"≴",NotNestedGreaterGreater:"⪢̸",NotNestedLessLess:"⪡̸",NotPrecedes:"⊀",NotPrecedesEqual:"⪯̸",NotPrecedesSlantEqual:"⋠",NotReverseElement:"∌",NotRightTriangle:"⋫",NotRightTriangleBar:"⧐̸",NotRightTriangleEqual:"⋭",NotSquareSubset:"⊏̸",NotSquareSubsetEqual:"⋢",NotSquareSuperset:"⊐̸",NotSquareSupersetEqual:"⋣",NotSubset:"⊂⃒",NotSubsetEqual:"⊈",NotSucceeds:"⊁",NotSucceedsEqual:"⪰̸",NotSucceedsSlantEqual:"⋡",NotSucceedsTilde:"≿̸",NotSuperset:"⊃⃒",NotSupersetEqual:"⊉",NotTilde:"≁",NotTildeEqual:"≄",NotTildeFullEqual:"≇",NotTildeTilde:"≉",NotVerticalBar:"∤",Nscr:"𝒩",Ntild:"Ñ",Ntilde:"Ñ",Nu:"Ν",OElig:"Œ",Oacut:"Ó",Oacute:"Ó",Ocir:"Ô",Ocirc:"Ô",Ocy:"О",Odblac:"Ő",Ofr:"𝔒",Ograv:"Ò",Ograve:"Ò",Omacr:"Ō",Omega:"Ω",Omicron:"Ο",Oopf:"𝕆",OpenCurlyDoubleQuote:"“",OpenCurlyQuote:"‘",Or:"⩔",Oscr:"𝒪",Oslas:"Ø",Oslash:"Ø",Otild:"Õ",Otilde:"Õ",Otimes:"⨷",Oum:"Ö",Ouml:"Ö",OverBar:"‾",OverBrace:"⏞",OverBracket:"⎴",OverParenthesis:"⏜",PartialD:"∂",Pcy:"П",Pfr:"𝔓",Phi:"Φ",Pi:"Π",PlusMinus:"±",Poincareplane:"ℌ",Popf:"ℙ",Pr:"⪻",Precedes:"≺",PrecedesEqual:"⪯",PrecedesSlantEqual:"≼",PrecedesTilde:"≾",Prime:"″",Product:"∏",Proportion:"∷",Proportional:"∝",Pscr:"𝒫",Psi:"Ψ",QUO:'"',QUOT:'"',Qfr:"𝔔",Qopf:"ℚ",Qscr:"𝒬",RBarr:"⤐",RE:"®",REG:"®",Racute:"Ŕ",Rang:"⟫",Rarr:"↠",Rarrtl:"⤖",Rcaron:"Ř",Rcedil:"Ŗ",Rcy:"Р",Re:"ℜ",ReverseElement:"∋",ReverseEquilibrium:"⇋",ReverseUpEquilibrium:"⥯",Rfr:"ℜ",Rho:"Ρ",RightAngleBracket:"⟩",RightArrow:"→",RightArrowBar:"⇥",RightArrowLeftArrow:"⇄",RightCeiling:"⌉",RightDoubleBracket:"⟧",RightDownTeeVector:"⥝",RightDownVector:"⇂",RightDownVectorBar:"⥕",RightFloor:"⌋",RightTee:"⊢",RightTeeArrow:"↦",RightTeeVector:"⥛",RightTriangle:"⊳",RightTriangleBar:"⧐",RightTriangleEqual:"⊵",RightUpDownVector:"⥏",RightUpTeeVector:"⥜",RightUpVector:"↾",RightUpVectorBar:"⥔",RightVector:"⇀",RightVectorBar:"⥓",Rightarrow:"⇒",Ropf:"ℝ",RoundImplies:"⥰",Rrightarrow:"⇛",Rscr:"ℛ",Rsh:"↱",RuleDelayed:"⧴",SHCHcy:"Щ",SHcy:"Ш",SOFTcy:"Ь",Sacute:"Ś",Sc:"⪼",Scaron:"Š",Scedil:"Ş",Scirc:"Ŝ",Scy:"С",Sfr:"𝔖",ShortDownArrow:"↓",ShortLeftArrow:"←",ShortRightArrow:"→",ShortUpArrow:"↑",Sigma:"Σ",SmallCircle:"∘",Sopf:"𝕊",Sqrt:"√",Square:"□",SquareIntersection:"⊓",SquareSubset:"⊏",SquareSubsetEqual:"⊑",SquareSuperset:"⊐",SquareSupersetEqual:"⊒",SquareUnion:"⊔",Sscr:"𝒮",Star:"⋆",Sub:"⋐",Subset:"⋐",SubsetEqual:"⊆",Succeeds:"≻",SucceedsEqual:"⪰",SucceedsSlantEqual:"≽",SucceedsTilde:"≿",SuchThat:"∋",Sum:"∑",Sup:"⋑",Superset:"⊃",SupersetEqual:"⊇",Supset:"⋑",THOR:"Þ",THORN:"Þ",TRADE:"™",TSHcy:"Ћ",TScy:"Ц",Tab:"\t",Tau:"Τ",Tcaron:"Ť",Tcedil:"Ţ",Tcy:"Т",Tfr:"𝔗",Therefore:"∴",Theta:"Θ",ThickSpace:"  ",ThinSpace:" ",Tilde:"∼",TildeEqual:"≃",TildeFullEqual:"≅",TildeTilde:"≈",Topf:"𝕋",TripleDot:"⃛",Tscr:"𝒯",Tstrok:"Ŧ",Uacut:"Ú",Uacute:"Ú",Uarr:"↟",Uarrocir:"⥉",Ubrcy:"Ў",Ubreve:"Ŭ",Ucir:"Û",Ucirc:"Û",Ucy:"У",Udblac:"Ű",Ufr:"𝔘",Ugrav:"Ù",Ugrave:"Ù",Umacr:"Ū",UnderBar:"_",UnderBrace:"⏟",UnderBracket:"⎵",UnderParenthesis:"⏝",Union:"⋃",UnionPlus:"⊎",Uogon:"Ų",Uopf:"𝕌",UpArrow:"↑",UpArrowBar:"⤒",UpArrowDownArrow:"⇅",UpDownArrow:"↕",UpEquilibrium:"⥮",UpTee:"⊥",UpTeeArrow:"↥",Uparrow:"⇑",Updownarrow:"⇕",UpperLeftArrow:"↖",UpperRightArrow:"↗",Upsi:"ϒ",Upsilon:"Υ",Uring:"Ů",Uscr:"𝒰",Utilde:"Ũ",Uum:"Ü",Uuml:"Ü",VDash:"⊫",Vbar:"⫫",Vcy:"В",Vdash:"⊩",Vdashl:"⫦",Vee:"⋁",Verbar:"‖",Vert:"‖",VerticalBar:"∣",VerticalLine:"|",VerticalSeparator:"❘",VerticalTilde:"≀",VeryThinSpace:" ",Vfr:"𝔙",Vopf:"𝕍",Vscr:"𝒱",Vvdash:"⊪",Wcirc:"Ŵ",Wedge:"⋀",Wfr:"𝔚",Wopf:"𝕎",Wscr:"𝒲",Xfr:"𝔛",Xi:"Ξ",Xopf:"𝕏",Xscr:"𝒳",YAcy:"Я",YIcy:"Ї",YUcy:"Ю",Yacut:"Ý",Yacute:"Ý",Ycirc:"Ŷ",Ycy:"Ы",Yfr:"𝔜",Yopf:"𝕐",Yscr:"𝒴",Yuml:"Ÿ",ZHcy:"Ж",Zacute:"Ź",Zcaron:"Ž",Zcy:"З",Zdot:"Ż",ZeroWidthSpace:"​",Zeta:"Ζ",Zfr:"ℨ",Zopf:"ℤ",Zscr:"𝒵",aacut:"á",aacute:"á",abreve:"ă",ac:"∾",acE:"∾̳",acd:"∿",acir:"â",acirc:"â",acut:"´",acute:"´",acy:"а",aeli:"æ",aelig:"æ",af:"⁡",afr:"𝔞",agrav:"à",agrave:"à",alefsym:"ℵ",aleph:"ℵ",alpha:"α",amacr:"ā",amalg:"⨿",am:"&",amp:"&",and:"∧",andand:"⩕",andd:"⩜",andslope:"⩘",andv:"⩚",ang:"∠",ange:"⦤",angle:"∠",angmsd:"∡",angmsdaa:"⦨",angmsdab:"⦩",angmsdac:"⦪",angmsdad:"⦫",angmsdae:"⦬",angmsdaf:"⦭",angmsdag:"⦮",angmsdah:"⦯",angrt:"∟",angrtvb:"⊾",angrtvbd:"⦝",angsph:"∢",angst:"Å",angzarr:"⍼",aogon:"ą",aopf:"𝕒",ap:"≈",apE:"⩰",apacir:"⩯",ape:"≊",apid:"≋",apos:"'",approx:"≈",approxeq:"≊",arin:"å",aring:"å",ascr:"𝒶",ast:"*",asymp:"≈",asympeq:"≍",atild:"ã",atilde:"ã",aum:"ä",auml:"ä",awconint:"∳",awint:"⨑",bNot:"⫭",backcong:"≌",backepsilon:"϶",backprime:"‵",backsim:"∽",backsimeq:"⋍",barvee:"⊽",barwed:"⌅",barwedge:"⌅",bbrk:"⎵",bbrktbrk:"⎶",bcong:"≌",bcy:"б",bdquo:"„",becaus:"∵",because:"∵",bemptyv:"⦰",bepsi:"϶",bernou:"ℬ",beta:"β",beth:"ℶ",between:"≬",bfr:"𝔟",bigcap:"⋂",bigcirc:"◯",bigcup:"⋃",bigodot:"⨀",bigoplus:"⨁",bigotimes:"⨂",bigsqcup:"⨆",bigstar:"★",bigtriangledown:"▽",bigtriangleup:"△",biguplus:"⨄",bigvee:"⋁",bigwedge:"⋀",bkarow:"⤍",blacklozenge:"⧫",blacksquare:"▪",blacktriangle:"▴",blacktriangledown:"▾",blacktriangleleft:"◂",blacktriangleright:"▸",blank:"␣",blk12:"▒",blk14:"░",blk34:"▓",block:"█",bne:"=⃥",bnequiv:"≡⃥",bnot:"⌐",bopf:"𝕓",bot:"⊥",bottom:"⊥",bowtie:"⋈",boxDL:"╗",boxDR:"╔",boxDl:"╖",boxDr:"╓",boxH:"═",boxHD:"╦",boxHU:"╩",boxHd:"╤",boxHu:"╧",boxUL:"╝",boxUR:"╚",boxUl:"╜",boxUr:"╙",boxV:"║",boxVH:"╬",boxVL:"╣",boxVR:"╠",boxVh:"╫",boxVl:"╢",boxVr:"╟",boxbox:"⧉",boxdL:"╕",boxdR:"╒",boxdl:"┐",boxdr:"┌",boxh:"─",boxhD:"╥",boxhU:"╨",boxhd:"┬",boxhu:"┴",boxminus:"⊟",boxplus:"⊞",boxtimes:"⊠",boxuL:"╛",boxuR:"╘",boxul:"┘",boxur:"└",boxv:"│",boxvH:"╪",boxvL:"╡",boxvR:"╞",boxvh:"┼",boxvl:"┤",boxvr:"├",bprime:"‵",breve:"˘",brvba:"¦",brvbar:"¦",bscr:"𝒷",bsemi:"⁏",bsim:"∽",bsime:"⋍",bsol:"\\",bsolb:"⧅",bsolhsub:"⟈",bull:"•",bullet:"•",bump:"≎",bumpE:"⪮",bumpe:"≏",bumpeq:"≏",cacute:"ć",cap:"∩",capand:"⩄",capbrcup:"⩉",capcap:"⩋",capcup:"⩇",capdot:"⩀",caps:"∩︀",caret:"⁁",caron:"ˇ",ccaps:"⩍",ccaron:"č",ccedi:"ç",ccedil:"ç",ccirc:"ĉ",ccups:"⩌",ccupssm:"⩐",cdot:"ċ",cedi:"¸",cedil:"¸",cemptyv:"⦲",cen:"¢",cent:"¢",centerdot:"·",cfr:"𝔠",chcy:"ч",check:"✓",checkmark:"✓",chi:"χ",cir:"○",cirE:"⧃",circ:"ˆ",circeq:"≗",circlearrowleft:"↺",circlearrowright:"↻",circledR:"®",circledS:"Ⓢ",circledast:"⊛",circledcirc:"⊚",circleddash:"⊝",cire:"≗",cirfnint:"⨐",cirmid:"⫯",cirscir:"⧂",clubs:"♣",clubsuit:"♣",colon:":",colone:"≔",coloneq:"≔",comma:",",commat:"@",comp:"∁",compfn:"∘",complement:"∁",complexes:"ℂ",cong:"≅",congdot:"⩭",conint:"∮",copf:"𝕔",coprod:"∐",cop:"©",copy:"©",copysr:"℗",crarr:"↵",cross:"✗",cscr:"𝒸",csub:"⫏",csube:"⫑",csup:"⫐",csupe:"⫒",ctdot:"⋯",cudarrl:"⤸",cudarrr:"⤵",cuepr:"⋞",cuesc:"⋟",cularr:"↶",cularrp:"⤽",cup:"∪",cupbrcap:"⩈",cupcap:"⩆",cupcup:"⩊",cupdot:"⊍",cupor:"⩅",cups:"∪︀",curarr:"↷",curarrm:"⤼",curlyeqprec:"⋞",curlyeqsucc:"⋟",curlyvee:"⋎",curlywedge:"⋏",curre:"¤",curren:"¤",curvearrowleft:"↶",curvearrowright:"↷",cuvee:"⋎",cuwed:"⋏",cwconint:"∲",cwint:"∱",cylcty:"⌭",dArr:"⇓",dHar:"⥥",dagger:"†",daleth:"ℸ",darr:"↓",dash:"‐",dashv:"⊣",dbkarow:"⤏",dblac:"˝",dcaron:"ď",dcy:"д",dd:"ⅆ",ddagger:"‡",ddarr:"⇊",ddotseq:"⩷",de:"°",deg:"°",delta:"δ",demptyv:"⦱",dfisht:"⥿",dfr:"𝔡",dharl:"⇃",dharr:"⇂",diam:"⋄",diamond:"⋄",diamondsuit:"♦",diams:"♦",die:"¨",digamma:"ϝ",disin:"⋲",div:"÷",divid:"÷",divide:"÷",divideontimes:"⋇",divonx:"⋇",djcy:"ђ",dlcorn:"⌞",dlcrop:"⌍",dollar:"$",dopf:"𝕕",dot:"˙",doteq:"≐",doteqdot:"≑",dotminus:"∸",dotplus:"∔",dotsquare:"⊡",doublebarwedge:"⌆",downarrow:"↓",downdownarrows:"⇊",downharpoonleft:"⇃",downharpoonright:"⇂",drbkarow:"⤐",drcorn:"⌟",drcrop:"⌌",dscr:"𝒹",dscy:"ѕ",dsol:"⧶",dstrok:"đ",dtdot:"⋱",dtri:"▿",dtrif:"▾",duarr:"⇵",duhar:"⥯",dwangle:"⦦",dzcy:"џ",dzigrarr:"⟿",eDDot:"⩷",eDot:"≑",eacut:"é",eacute:"é",easter:"⩮",ecaron:"ě",ecir:"ê",ecirc:"ê",ecolon:"≕",ecy:"э",edot:"ė",ee:"ⅇ",efDot:"≒",efr:"𝔢",eg:"⪚",egrav:"è",egrave:"è",egs:"⪖",egsdot:"⪘",el:"⪙",elinters:"⏧",ell:"ℓ",els:"⪕",elsdot:"⪗",emacr:"ē",empty:"∅",emptyset:"∅",emptyv:"∅",emsp13:" ",emsp14:" ",emsp:" ",eng:"ŋ",ensp:" ",eogon:"ę",eopf:"𝕖",epar:"⋕",eparsl:"⧣",eplus:"⩱",epsi:"ε",epsilon:"ε",epsiv:"ϵ",eqcirc:"≖",eqcolon:"≕",eqsim:"≂",eqslantgtr:"⪖",eqslantless:"⪕",equals:"=",equest:"≟",equiv:"≡",equivDD:"⩸",eqvparsl:"⧥",erDot:"≓",erarr:"⥱",escr:"ℯ",esdot:"≐",esim:"≂",eta:"η",et:"ð",eth:"ð",eum:"ë",euml:"ë",euro:"€",excl:"!",exist:"∃",expectation:"ℰ",exponentiale:"ⅇ",fallingdotseq:"≒",fcy:"ф",female:"♀",ffilig:"ffi",fflig:"ff",ffllig:"ffl",ffr:"𝔣",filig:"fi",fjlig:"fj",flat:"♭",fllig:"fl",fltns:"▱",fnof:"ƒ",fopf:"𝕗",forall:"∀",fork:"⋔",forkv:"⫙",fpartint:"⨍",frac1:"¼",frac12:"½",frac13:"⅓",frac14:"¼",frac15:"⅕",frac16:"⅙",frac18:"⅛",frac23:"⅔",frac25:"⅖",frac3:"¾",frac34:"¾",frac35:"⅗",frac38:"⅜",frac45:"⅘",frac56:"⅚",frac58:"⅝",frac78:"⅞",frasl:"⁄",frown:"⌢",fscr:"𝒻",gE:"≧",gEl:"⪌",gacute:"ǵ",gamma:"γ",gammad:"ϝ",gap:"⪆",gbreve:"ğ",gcirc:"ĝ",gcy:"г",gdot:"ġ",ge:"≥",gel:"⋛",geq:"≥",geqq:"≧",geqslant:"⩾",ges:"⩾",gescc:"⪩",gesdot:"⪀",gesdoto:"⪂",gesdotol:"⪄",gesl:"⋛︀",gesles:"⪔",gfr:"𝔤",gg:"≫",ggg:"⋙",gimel:"ℷ",gjcy:"ѓ",gl:"≷",glE:"⪒",gla:"⪥",glj:"⪤",gnE:"≩",gnap:"⪊",gnapprox:"⪊",gne:"⪈",gneq:"⪈",gneqq:"≩",gnsim:"⋧",gopf:"𝕘",grave:"`",gscr:"ℊ",gsim:"≳",gsime:"⪎",gsiml:"⪐",g:">",gt:">",gtcc:"⪧",gtcir:"⩺",gtdot:"⋗",gtlPar:"⦕",gtquest:"⩼",gtrapprox:"⪆",gtrarr:"⥸",gtrdot:"⋗",gtreqless:"⋛",gtreqqless:"⪌",gtrless:"≷",gtrsim:"≳",gvertneqq:"≩︀",gvnE:"≩︀",hArr:"⇔",hairsp:" ",half:"½",hamilt:"ℋ",hardcy:"ъ",harr:"↔",harrcir:"⥈",harrw:"↭",hbar:"ℏ",hcirc:"ĥ",hearts:"♥",heartsuit:"♥",hellip:"…",hercon:"⊹",hfr:"𝔥",hksearow:"⤥",hkswarow:"⤦",hoarr:"⇿",homtht:"∻",hookleftarrow:"↩",hookrightarrow:"↪",hopf:"𝕙",horbar:"―",hscr:"𝒽",hslash:"ℏ",hstrok:"ħ",hybull:"⁃",hyphen:"‐",iacut:"í",iacute:"í",ic:"⁣",icir:"î",icirc:"î",icy:"и",iecy:"е",iexc:"¡",iexcl:"¡",iff:"⇔",ifr:"𝔦",igrav:"ì",igrave:"ì",ii:"ⅈ",iiiint:"⨌",iiint:"∭",iinfin:"⧜",iiota:"℩",ijlig:"ij",imacr:"ī",image:"ℑ",imagline:"ℐ",imagpart:"ℑ",imath:"ı",imof:"⊷",imped:"Ƶ",in:"∈",incare:"℅",infin:"∞",infintie:"⧝",inodot:"ı",int:"∫",intcal:"⊺",integers:"ℤ",intercal:"⊺",intlarhk:"⨗",intprod:"⨼",iocy:"ё",iogon:"į",iopf:"𝕚",iota:"ι",iprod:"⨼",iques:"¿",iquest:"¿",iscr:"𝒾",isin:"∈",isinE:"⋹",isindot:"⋵",isins:"⋴",isinsv:"⋳",isinv:"∈",it:"⁢",itilde:"ĩ",iukcy:"і",ium:"ï",iuml:"ï",jcirc:"ĵ",jcy:"й",jfr:"𝔧",jmath:"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true}}}return false};const $=()=>o&&L.size<128;const H=(e,r)=>{let t=0;while(!e.indexOf(r)&&(e=i.dirname(e))!==r)t++;return t};class FsEventsHandler{constructor(e){this.fsw=e}checkIgnored(e,r){const t=this.fsw._ignoredPaths;if(this.fsw._isIgnored(e,r)){t.add(e);if(r&&r.isDirectory()){t.add(e+A)}return true}t.delete(e);t.delete(e+A)}addOrChange(e,r,t,n,i,u,o,f){const c=i.has(u)?a:s;this.handleEvent(c,e,r,t,n,i,u,o,f)}async checkFd(e,r,t,n,i,u,o,s){try{const a=await k(e,_);if(this.fsw.closed)return;await x(a);if(this.fsw.closed)return;this.addOrChange(e,r,t,n,i,u,o,s)}catch(a){if(a.code==="EACCES"){this.addOrChange(e,r,t,n,i,u,o,s)}else{this.handleEvent(c,e,r,t,n,i,u,o,s)}}}handleEvent(e,r,t,n,i,u,o,a,l){if(this.fsw.closed||this.checkIgnored(r))return;if(e===c){if(a.type===E||u.has(o)){this.fsw._remove(i,o)}}else{if(e===s){if(a.type===E)this.fsw._getWatchedDir(r);if(a.type===b&&l.followSymlinks){const e=l.depth===undefined?undefined:H(t,n)+1;return 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s}async _handleFsEventsSymlink(e,r,t,n){if(this.fsw.closed||this.fsw._symlinkPaths.has(r))return;this.fsw._symlinkPaths.set(r,true);this.fsw._incrReadyCount();try{const r=await T(e);if(this.fsw.closed)return;if(this.fsw._isIgnored(r)){return this.fsw._emitReady()}this.fsw._incrReadyCount();this._addToFsEvents(r||e,n=>{let u=e;if(r&&r!==w){u=n.replace(r,e)}else if(n!==w){u=i.join(e,n)}return t(u)},false,n)}catch(e){if(this.fsw._handleError(e)){return this.fsw._emitReady()}}}emitAdd(e,r,t,n,u){const o=t(e);const a=r.isDirectory();const c=this.fsw._getWatchedDir(i.dirname(o));const l=i.basename(o);if(a)this.fsw._getWatchedDir(o);if(c.has(l))return;c.add(l);if(!n.ignoreInitial||u===true){this.fsw._emit(a?f:s,o,r)}}initWatch(e,r,t,n){if(this.fsw.closed)return;const u=this._watchWithFsEvents(t.watchPath,i.resolve(e||t.watchPath),n,t.globFilter);this.fsw._addPathCloser(r,u)}async _addToFsEvents(e,r,t,n){if(this.fsw.closed){return}const u=this.fsw.options;const o=typeof r===F?r:S;const s=this.fsw._getWatchHelpers(e);try{const r=await I[s.statMethod](s.watchPath);if(this.fsw.closed)return;if(this.fsw._isIgnored(s.watchPath,r)){throw null}if(r.isDirectory()){if(!s.globFilter)this.emitAdd(o(e),r,o,u,t);if(n&&n>u.depth)return;this.fsw._readdirp(s.watchPath,{fileFilter:e=>s.filterPath(e),directoryFilter:e=>s.filterDir(e),...B(u.depth-(n||0))}).on(p,e=>{if(this.fsw.closed){return}if(e.stats.isDirectory()&&!s.filterPath(e))return;const r=i.join(s.watchPath,e.path);const{fullPath:n}=e;if(s.followSymlinks&&e.stats.isSymbolicLink()){const e=u.depth===undefined?undefined:H(r,i.resolve(s.watchPath))+1;this._handleFsEventsSymlink(r,n,o,e)}else{this.emitAdd(r,e.stats,o,u,t)}}).on(l,y).on(h,()=>{this.fsw._emitReady()})}else{this.emitAdd(s.watchPath,r,o,u,t);this.fsw._emitReady()}}catch(e){if(!e||this.fsw._handleError(e)){this.fsw._emitReady();this.fsw._emitReady()}}if(u.persistent&&t!==true){if(typeof r===F){this.initWatch(undefined,e,s,o)}else{let r;try{r=await 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A=h.isIgnored;var C=t(49);function glob(e,r,t){if(typeof r==="function")t=r,r={};if(!r)r={};if(r.sync){if(t)throw new TypeError("callback provided to sync glob");return p(e,r)}return new Glob(e,r,t)}glob.sync=p;var w=glob.GlobSync=p.GlobSync;glob.glob=glob;function extend(e,r){if(r===null||typeof r!=="object"){return e}var t=Object.keys(r);var n=t.length;while(n--){e[t[n]]=r[t[n]]}return e}glob.hasMagic=function(e,r){var t=extend({},r);t.noprocess=true;var n=new Glob(e,t);var i=n.minimatch.set;if(!e)return false;if(i.length>1)return true;for(var u=0;uthis.maxLength)return r();if(!this.stat&&g(this.cache,t)){var u=this.cache[t];if(Array.isArray(u))u="DIR";if(!i||u==="DIR")return r(null,u);if(i&&u==="FILE")return r()}var o;var s=this.statCache[t];if(s!==undefined){if(s===false)return r(null,s);else{var a=s.isDirectory()?"DIR":"FILE";if(i&&a==="FILE")return r();else return r(null,a,s)}}var f=this;var c=m("stat\0"+t,lstatcb_);if(c)n.lstat(t,c);function lstatcb_(i,u){if(u&&u.isSymbolicLink()){return n.stat(t,function(n,i){if(n)f._stat2(e,t,null,u,r);else f._stat2(e,t,n,i,r)})}else{f._stat2(e,t,i,u,r)}}};Glob.prototype._stat2=function(e,r,t,n,i){if(t&&(t.code==="ENOENT"||t.code==="ENOTDIR")){this.statCache[r]=false;return i()}var u=e.slice(-1)==="/";this.statCache[r]=n;if(r.slice(-1)==="/"&&n&&!n.isDirectory())return i(null,false,n);var o=true;if(n)o=n.isDirectory()?"DIR":"FILE";this.cache[r]=this.cache[r]||o;if(u&&o==="FILE")return i();return i(null,o,n)}},,function(e,r,t){"use strict";var n=t(578);var i=t(349);e.exports=footnoteDefinition;footnoteDefinition.notInList=true;footnoteDefinition.notInBlock=true;var u="\\";var o="\n";var s="\t";var a=" ";var f="[";var c="]";var l="^";var p=":";var h=/^( {4}|\t)?/gm;function footnoteDefinition(e,r,t){var v=this;var D=v.offset;var d;var g;var m;var E;var b;var A;var C;var w;var F;var y;var S;var _;if(!v.options.footnotes){return}d=0;g=r.length;m="";E=e.now();b=E.line;while(d=0){r=r.slice(1)}if(r===".inf"){return t===1?Number.POSITIVE_INFINITY:Number.NEGATIVE_INFINITY}else if(r===".nan"){return NaN}else if(r.indexOf(":")>=0){r.split(":").forEach(function(e){i.unshift(parseFloat(e,10))});r=0;n=1;i.forEach(function(e){r+=e*n;n*=60});return t*r}return t*parseFloat(r,10)}var o=/^[-+]?[0-9]+e/;function representYamlFloat(e,r){var t;if(isNaN(e)){switch(r){case"lowercase":return".nan";case"uppercase":return".NAN";case"camelcase":return".NaN"}}else if(Number.POSITIVE_INFINITY===e){switch(r){case"lowercase":return".inf";case"uppercase":return".INF";case"camelcase":return".Inf"}}else if(Number.NEGATIVE_INFINITY===e){switch(r){case"lowercase":return"-.inf";case"uppercase":return"-.INF";case"camelcase":return"-.Inf"}}else if(n.isNegativeZero(e)){return"-0.0"}t=e.toString(10);return o.test(t)?t.replace("e",".e"):t}function isFloat(e){return Object.prototype.toString.call(e)==="[object 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throwWarning(e,r){if(e.onWarning){e.onWarning.call(null,generateError(e,r))}}var F={YAML:function handleYamlDirective(e,r,t){var n,i,u;if(e.version!==null){throwError(e,"duplication of %YAML directive")}if(t.length!==1){throwError(e,"YAML directive accepts exactly one argument")}n=/^([0-9]+)\.([0-9]+)$/.exec(t[0]);if(n===null){throwError(e,"ill-formed argument of the YAML directive")}i=parseInt(n[1],10);u=parseInt(n[2],10);if(i!==1){throwError(e,"unacceptable YAML version of the document")}e.version=t[0];e.checkLineBreaks=u<2;if(u!==1&&u!==2){throwWarning(e,"unsupported YAML version of the document")}},TAG:function handleTagDirective(e,r,t){var n,i;if(t.length!==2){throwError(e,"TAG directive accepts exactly two arguments")}n=t[0];i=t[1];if(!E.test(n)){throwError(e,"ill-formed tag handle (first argument) of the TAG directive")}if(a.call(e.tagMap,n)){throwError(e,'there is a previously declared suffix for "'+n+'" tag handle')}if(!b.test(i)){throwError(e,"ill-formed tag prefix (second 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if(is_EOL(h)){a=e.line;f=e.lineStart;c=e.lineIndent;skipSeparationSpace(e,false,-1);if(e.lineIndent>=r){s=true;h=e.input.charCodeAt(e.position);continue}else{e.position=o;e.line=a;e.lineStart=f;e.lineIndent=c;break}}if(s){captureSegment(e,u,o,false);writeFoldedLines(e,e.line-a);u=o=e.position;s=false}if(!is_WHITE_SPACE(h)){o=e.position+1}h=e.input.charCodeAt(++e.position)}captureSegment(e,u,o,false);if(e.result){return true}e.kind=l;e.result=p;return false}function readSingleQuotedScalar(e,r){var t,n,i;t=e.input.charCodeAt(e.position);if(t!==39){return false}e.kind="scalar";e.result="";e.position++;n=i=e.position;while((t=e.input.charCodeAt(e.position))!==0){if(t===39){captureSegment(e,n,e.position,true);t=e.input.charCodeAt(++e.position);if(t===39){n=e.position;e.position++;i=e.position}else{return true}}else if(is_EOL(t)){captureSegment(e,n,i,true);writeFoldedLines(e,skipSeparationSpace(e,false,r));n=i=e.position}else if(e.position===e.lineStart&&testDocumentSeparator(e)){throwError(e,"unexpected end of the document within a single quoted scalar")}else{e.position++;i=e.position}}throwError(e,"unexpected end of the stream within a single quoted scalar")}function readDoubleQuotedScalar(e,r){var t,n,i,u,o,s;s=e.input.charCodeAt(e.position);if(s!==34){return false}e.kind="scalar";e.result="";e.position++;t=n=e.position;while((s=e.input.charCodeAt(e.position))!==0){if(s===34){captureSegment(e,t,e.position,true);e.position++;return true}else if(s===92){captureSegment(e,t,e.position,true);s=e.input.charCodeAt(++e.position);if(is_EOL(s)){skipSeparationSpace(e,false,r)}else if(s<256&&A[s]){e.result+=C[s];e.position++}else if((o=escapedHexLen(s))>0){i=o;u=0;for(;i>0;i--){s=e.input.charCodeAt(++e.position);if((o=fromHexCode(s))>=0){u=(u<<4)+o}else{throwError(e,"expected hexadecimal character")}}e.result+=charFromCodepoint(u);e.position++}else{throwError(e,"unknown escape sequence")}t=n=e.position}else if(is_EOL(s)){captureSegment(e,t,n,true);writeFoldedLines(e,skipSeparationSpace(e,false,r));t=n=e.position}else if(e.position===e.lineStart&&testDocumentSeparator(e)){throwError(e,"unexpected end of the document within a double quoted scalar")}else{e.position++;n=e.position}}throwError(e,"unexpected end of the stream within a double quoted scalar")}function readFlowCollection(e,r){var t=true,n,i=e.tag,u,o=e.anchor,s,a,c,l,p,h={},v,D,d,g;g=e.input.charCodeAt(e.position);if(g===91){a=93;p=false;u=[]}else if(g===123){a=125;p=true;u={}}else{return false}if(e.anchor!==null){e.anchorMap[e.anchor]=u}g=e.input.charCodeAt(++e.position);while(g!==0){skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if(g===a){e.position++;e.tag=i;e.anchor=o;e.kind=p?"mapping":"sequence";e.result=u;return true}else if(!t){throwError(e,"missed comma between flow collection entries")}D=v=d=null;c=l=false;if(g===63){s=e.input.charCodeAt(e.position+1);if(is_WS_OR_EOL(s)){c=l=true;e.position++;skipSeparationSpace(e,true,r)}}n=e.line;composeNode(e,r,f,false,true);D=e.tag;v=e.result;skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if((l||e.line===n)&&g===58){c=true;g=e.input.charCodeAt(++e.position);skipSeparationSpace(e,true,r);composeNode(e,r,f,false,true);d=e.result}if(p){storeMappingPair(e,u,h,D,v,d)}else if(c){u.push(storeMappingPair(e,null,h,D,v,d))}else{u.push(v)}skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if(g===44){t=true;g=e.input.charCodeAt(++e.position)}else{t=false}}throwError(e,"unexpected end of the stream within a flow collection")}function readBlockScalar(e,r){var t,i,u=h,o=false,s=false,a=r,f=0,c=false,l,p;p=e.input.charCodeAt(e.position);if(p===124){i=false}else if(p===62){i=true}else{return false}e.kind="scalar";e.result="";while(p!==0){p=e.input.charCodeAt(++e.position);if(p===43||p===45){if(h===u){u=p===43?D:v}else{throwError(e,"repeat of a chomping mode identifier")}}else if((l=fromDecimalCode(p))>=0){if(l===0){throwError(e,"bad explicit indentation width of a block scalar; it cannot be less than one")}else if(!s){a=r+l-1;s=true}else{throwError(e,"repeat of an indentation width identifier")}}else{break}}if(is_WHITE_SPACE(p)){do{p=e.input.charCodeAt(++e.position)}while(is_WHITE_SPACE(p));if(p===35){do{p=e.input.charCodeAt(++e.position)}while(!is_EOL(p)&&p!==0)}}while(p!==0){readLineBreak(e);e.lineIndent=0;p=e.input.charCodeAt(e.position);while((!s||e.lineIndenta){a=e.lineIndent}if(is_EOL(p)){f++;continue}if(e.lineIndentr)&&a!==0){throwError(e,"bad indentation of a sequence entry")}else if(e.lineIndentr){if(composeNode(e,r,p,true,i)){if(d){v=e.result}else{D=e.result}}if(!d){storeMappingPair(e,f,l,h,v,D,u,o);h=v=D=null}skipSeparationSpace(e,true,-1);m=e.input.charCodeAt(e.position)}if(e.lineIndent>r&&m!==0){throwError(e,"bad indentation of a mapping entry")}else if(e.lineIndentr){h=1}else if(e.lineIndent===r){h=0}else if(e.lineIndentr){h=1}else if(e.lineIndent===r){h=0}else if(e.lineIndent tag; it should be "'+m.kind+'", not "'+e.kind+'"')}if(!m.resolve(e.result)){throwError(e,"cannot resolve a node with !<"+e.tag+"> explicit tag")}else{e.result=m.construct(e.result);if(e.anchor!==null){e.anchorMap[e.anchor]=e.result}}}else{throwError(e,"unknown tag !<"+e.tag+">")}}if(e.listener!==null){e.listener("close",e)}return e.tag!==null||e.anchor!==null||D}function readDocument(e){var r=e.position,t,n,i,u=false,o;e.version=null;e.checkLineBreaks=e.legacy;e.tagMap={};e.anchorMap={};while((o=e.input.charCodeAt(e.position))!==0){skipSeparationSpace(e,true,-1);o=e.input.charCodeAt(e.position);if(e.lineIndent>0||o!==37){break}u=true;o=e.input.charCodeAt(++e.position);t=e.position;while(o!==0&&!is_WS_OR_EOL(o)){o=e.input.charCodeAt(++e.position)}n=e.input.slice(t,e.position);i=[];if(n.length<1){throwError(e,"directive name must not be less than one character in length")}while(o!==0){while(is_WHITE_SPACE(o)){o=e.input.charCodeAt(++e.position)}if(o===35){do{o=e.input.charCodeAt(++e.position)}while(o!==0&&!is_EOL(o));break}if(is_EOL(o))break;t=e.position;while(o!==0&&!is_WS_OR_EOL(o)){o=e.input.charCodeAt(++e.position)}i.push(e.input.slice(t,e.position))}if(o!==0)readLineBreak(e);if(a.call(F,n)){F[n](e,n,i)}else{throwWarning(e,'unknown document directive 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l=t(359);var p=t(793);var h=t(466),v=h.getHighWaterMark;var D=t(818).codes,d=D.ERR_INVALID_ARG_TYPE,g=D.ERR_STREAM_PUSH_AFTER_EOF,m=D.ERR_METHOD_NOT_IMPLEMENTED,E=D.ERR_STREAM_UNSHIFT_AFTER_END_EVENT;var b=t(934),A=b.emitExperimentalWarning;var C;var w;t(689)(Readable,o);var F=["error","close","destroy","pause","resume"];function prependListener(e,r,t){if(typeof e.prependListener==="function")return e.prependListener(r,t);if(!e._events||!e._events[r])e.on(r,t);else if(Array.isArray(e._events[r]))e._events[r].unshift(t);else e._events[r]=[t,e._events[r]]}function ReadableState(e,r,i){n=n||t(308);e=e||{};if(typeof i!=="boolean")i=r instanceof n;this.objectMode=!!e.objectMode;if(i)this.objectMode=this.objectMode||!!e.readableObjectMode;this.highWaterMark=v(this,e,"readableHighWaterMark",i);this.buffer=new 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this._readableState.destroyed},set:function set(e){if(!this._readableState){return}this._readableState.destroyed=e}});Readable.prototype.destroy=p.destroy;Readable.prototype._undestroy=p.undestroy;Readable.prototype._destroy=function(e,r){r(e)};Readable.prototype.push=function(e,r){var t=this._readableState;var n;if(!t.objectMode){if(typeof e==="string"){r=r||t.defaultEncoding;if(r!==t.encoding){e=s.from(e,r);r=""}n=true}}else{n=true}return readableAddChunk(this,e,r,false,n)};Readable.prototype.unshift=function(e){return readableAddChunk(this,e,null,true,false)};function readableAddChunk(e,r,t,n,i){c("readableAddChunk",r);var u=e._readableState;if(r===null){u.reading=false;onEofChunk(e,u)}else{var o;if(!i)o=chunkInvalid(u,r);if(o){e.emit("error",o)}else if(u.objectMode||r&&r.length>0){if(typeof r!=="string"&&!u.objectMode&&Object.getPrototypeOf(r)!==s.prototype){r=_uint8ArrayToBuffer(r)}if(n){if(u.endEmitted)e.emit("error",new E);else addChunk(e,u,r,true)}else if(u.ended){e.emit("error",new g)}else if(u.destroyed){return false}else{u.reading=false;if(u.decoder&&!t){r=u.decoder.write(r);if(u.objectMode||r.length!==0)addChunk(e,u,r,false);else maybeReadMore(e,u)}else{addChunk(e,u,r,false)}}}else if(!n){u.reading=false;maybeReadMore(e,u)}}return!u.ended&&(u.length=y){e=y}else{e--;e|=e>>>1;e|=e>>>2;e|=e>>>4;e|=e>>>8;e|=e>>>16;e++}return e}function howMuchToRead(e,r){if(e<=0||r.length===0&&r.ended)return 0;if(r.objectMode)return 1;if(e!==e){if(r.flowing&&r.length)return r.buffer.head.data.length;else return r.length}if(e>r.highWaterMark)r.highWaterMark=computeNewHighWaterMark(e);if(e<=r.length)return e;if(!r.ended){r.needReadable=true;return 0}return r.length}Readable.prototype.read=function(e){c("read",e);e=parseInt(e,10);var r=this._readableState;var t=e;if(e!==0)r.emittedReadable=false;if(e===0&&r.needReadable&&((r.highWaterMark!==0?r.length>=r.highWaterMark:r.length>0)||r.ended)){c("read: emitReadable",r.length,r.ended);if(r.length===0&&r.ended)endReadable(this);else emitReadable(this);return null}e=howMuchToRead(e,r);if(e===0&&r.ended){if(r.length===0)endReadable(this);return null}var n=r.needReadable;c("need readable",n);if(r.length===0||r.length-e0)i=fromList(e,r);else i=null;if(i===null){r.needReadable=true;e=0}else{r.length-=e;r.awaitDrain=0}if(r.length===0){if(!r.ended)r.needReadable=true;if(t!==e&&r.ended)endReadable(this)}if(i!==null)this.emit("data",i);return i};function onEofChunk(e,r){if(r.ended)return;if(r.decoder){var t=r.decoder.end();if(t&&t.length){r.buffer.push(t);r.length+=r.objectMode?1:t.length}}r.ended=true;if(r.sync){emitReadable(e)}else{r.needReadable=false;if(!r.emittedReadable){r.emittedReadable=true;emitReadable_(e)}}}function emitReadable(e){var r=e._readableState;r.needReadable=false;if(!r.emittedReadable){c("emitReadable",r.flowing);r.emittedReadable=true;process.nextTick(emitReadable_,e)}}function emitReadable_(e){var r=e._readableState;c("emitReadable_",r.destroyed,r.length,r.ended);if(!r.destroyed&&(r.length||r.ended)){e.emit("readable")}r.needReadable=!r.flowing&&!r.ended&&r.length<=r.highWaterMark;flow(e)}function maybeReadMore(e,r){if(!r.readingMore){r.readingMore=true;process.nextTick(maybeReadMore_,e,r)}}function maybeReadMore_(e,r){while(!r.reading&&!r.ended&&(r.length1&&indexOf(n.pipes,e)!==-1)&&!a){c("false write response, pause",n.awaitDrain);n.awaitDrain++}t.pause()}}function onerror(r){c("onerror",r);unpipe();e.removeListener("error",onerror);if(u(e,"error")===0)e.emit("error",r)}prependListener(e,"error",onerror);function onclose(){e.removeListener("finish",onfinish);unpipe()}e.once("close",onclose);function onfinish(){c("onfinish");e.removeListener("close",onclose);unpipe()}e.once("finish",onfinish);function unpipe(){c("unpipe");t.unpipe(e)}e.emit("pipe",t);if(!n.flowing){c("pipe resume");t.resume()}return e};function pipeOnDrain(e){return function pipeOnDrainFunctionResult(){var r=e._readableState;c("pipeOnDrain",r.awaitDrain);if(r.awaitDrain)r.awaitDrain--;if(r.awaitDrain===0&&u(e,"data")){r.flowing=true;flow(e)}}}Readable.prototype.unpipe=function(e){var r=this._readableState;var t={hasUnpiped:false};if(r.pipesCount===0)return this;if(r.pipesCount===1){if(e&&e!==r.pipes)return this;if(!e)e=r.pipes;r.pipes=null;r.pipesCount=0;r.flowing=false;if(e)e.emit("unpipe",this,t);return this}if(!e){var n=r.pipes;var i=r.pipesCount;r.pipes=null;r.pipesCount=0;r.flowing=false;for(var u=0;u0;if(n.flowing!==false)this.resume()}else if(e==="readable"){if(!n.endEmitted&&!n.readableListening){n.readableListening=n.needReadable=true;n.flowing=false;n.emittedReadable=false;c("on readable",n.length,n.reading);if(n.length){emitReadable(this)}else if(!n.reading){process.nextTick(nReadingNextTick,this)}}}return t};Readable.prototype.addListener=Readable.prototype.on;Readable.prototype.removeListener=function(e,r){var t=o.prototype.removeListener.call(this,e,r);if(e==="readable"){process.nextTick(updateReadableListening,this)}return t};Readable.prototype.removeAllListeners=function(e){var r=o.prototype.removeAllListeners.apply(this,arguments);if(e==="readable"||e===undefined){process.nextTick(updateReadableListening,this)}return r};function updateReadableListening(e){var r=e._readableState;r.readableListening=e.listenerCount("readable")>0;if(r.resumeScheduled&&!r.paused){r.flowing=true}else if(e.listenerCount("data")>0){e.resume()}}function nReadingNextTick(e){c("readable nexttick read 0");e.read(0)}Readable.prototype.resume=function(){var e=this._readableState;if(!e.flowing){c("resume");e.flowing=!e.readableListening;resume(this,e)}e.paused=false;return this};function resume(e,r){if(!r.resumeScheduled){r.resumeScheduled=true;process.nextTick(resume_,e,r)}}function resume_(e,r){c("resume",r.reading);if(!r.reading){e.read(0)}r.resumeScheduled=false;e.emit("resume");flow(e);if(r.flowing&&!r.reading)e.read(0)}Readable.prototype.pause=function(){c("call pause flowing=%j",this._readableState.flowing);if(this._readableState.flowing!==false){c("pause");this._readableState.flowing=false;this.emit("pause")}this._readableState.paused=true;return this};function flow(e){var r=e._readableState;c("flow",r.flowing);while(r.flowing&&e.read()!==null){}}Readable.prototype.wrap=function(e){var r=this;var t=this._readableState;var n=false;e.on("end",function(){c("wrapped end");if(t.decoder&&!t.ended){var e=t.decoder.end();if(e&&e.length)r.push(e)}r.push(null)});e.on("data",function(i){c("wrapped data");if(t.decoder)i=t.decoder.write(i);if(t.objectMode&&(i===null||i===undefined))return;else if(!t.objectMode&&(!i||!i.length))return;var u=r.push(i);if(!u){n=true;e.pause()}});for(var i in e){if(this[i]===undefined&&typeof e[i]==="function"){this[i]=function methodWrap(r){return function methodWrapReturnFunction(){return e[r].apply(e,arguments)}}(i)}}for(var u=0;u=r.length){if(r.decoder)t=r.buffer.join("");else if(r.buffer.length===1)t=r.buffer.first();else t=r.buffer.concat(r.length);r.buffer.clear()}else{t=r.buffer.consume(e,r.decoder)}return t}function endReadable(e){var r=e._readableState;c("endReadable",r.endEmitted);if(!r.endEmitted){r.ended=true;process.nextTick(endReadableNT,r,e)}}function endReadableNT(e,r){c("endReadableNT",e.endEmitted,e.length);if(!e.endEmitted&&e.length===0){e.endEmitted=true;r.readable=false;r.emit("end")}}function indexOf(e,r){for(var t=0,n=e.length;te[t])e[t]=n});return e},[]);var o=map(e,function(e){return map(e,function(e,r){var t=String(e);if(n[r]==="."){var o=dotindex(t);var s=u[r]+(/\./.test(t)?1:2)-(i(t)-o);return t+Array(s).join(" ")}else return t})});var s=reduce(o,function(e,r){forEach(r,function(r,t){var n=i(r);if(!e[t]||n>e[t])e[t]=n});return e},[]);return map(o,function(e){return map(e,function(e,r){var t=s[r]-i(e)||0;var u=Array(Math.max(t+1,1)).join(" ");if(n[r]==="r"||n[r]==="."){return u+e}if(n[r]==="c"){return Array(Math.ceil(t/2+1)).join(" ")+e+Array(Math.floor(t/2+1)).join(" ")}return e+u}).join(t).replace(/\s+$/,"")}).join("\n")};function dotindex(e){var r=/\.[^.]*$/.exec(e);return r?r.index+1:e.length}function reduce(e,r,t){if(e.reduce)return e.reduce(r,t);var n=0;var i=arguments.length>=3?t:e[n++];for(;n{const r=["[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)","(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))"].join("|");return new RegExp(r,e?undefined:"g")})},,function(e,r,t){"use strict";var n=t(622);var i=t(539);var u=t(881);e.exports=Ignore;Ignore.prototype.check=check;var o=n.dirname;var s=n.relative;var a=n.resolve;function Ignore(e){this.cwd=e.cwd;this.findUp=new u({filePath:e.ignorePath,cwd:e.cwd,detect:e.detectIgnore,names:e.ignoreName?[e.ignoreName]:[],create:create})}function check(e,r){var t=this;t.findUp.load(e,done);function done(n,i){var u;if(n){r(n)}else if(i){u=s(i.filePath,a(t.cwd,e));r(null,u?i.ignores(u):false)}else{r(null,false)}}}function create(e,r){var t=i().add(String(e));t.filePath=o(r);return t}},,,,function(e){"use strict";e.exports={gfm:true,commonmark:false,pedantic:false,entities:"false",setext:false,closeAtx:false,looseTable:false,spacedTable:true,paddedTable:true,stringLength:stringLength,incrementListMarker:true,fences:false,fence:"`",bullet:"-",listItemIndent:"tab",rule:"*",ruleSpaces:true,ruleRepetition:3,strong:"*",emphasis:"_"};function stringLength(e){return e.length}},function(e){"use strict";function YAMLException(e,r){Error.call(this);this.name="YAMLException";this.reason=e;this.mark=r;this.message=(this.reason||"(unknown reason)")+(this.mark?" 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n=t(945);e.exports=new n("tag:yaml.org,2002:str",{kind:"scalar",construct:function(e){return e!==null?e:""}})},,function(e){"use strict";e.exports=emphasis;var r="_";var t="*";function emphasis(e){var n=this.options.emphasis;var i=this.all(e).join("");if(this.options.pedantic&&n===r&&i.indexOf(n)!==-1){n=t}return n+i+n}},,function(e){"use strict";e.exports=whitespace;var r=String.fromCharCode;var t=/\s/;function whitespace(e){return t.test(typeof e==="number"?r(e):e.charAt(0))}},,,function(e,r,t){"use strict";var n=t(43);e.exports=new n({explicit:[t(574),t(921),t(988)]})},,,,,function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:table-cell-padding",tableCellPadding);var s=u.start;var a=u.end;var f={null:true,padded:true,compact:true};function tableCellPadding(e,r,t){var n=String(r);t=typeof t==="string"&&t!=="consistent"?t:null;if(f[t]!==true){r.fail("Invalid table-cell-padding style `"+t+"`")}i(e,"table",visitor);function visitor(e){var r=e.children;var u=new Array(e.align.length);var f=o(e)?-1:r.length;var c=-1;var l=[];var p;var h;var v;var D;var d;var g;var m;var E;var b;var A;var C;while(++cn){a+=" with 1 space, not "+o;if(size(u)n){r.message("Line must be at most "+n+" characters",{line:l+1,column:p+1})}}function inline(e,r,t){var i=t.children[r+1];var u;var f;if(o(e)){return}u=s(e);f=a(e);if(u.column>n||f.column1){r=Array.prototype.slice.call(arguments)}return e(r)};if("conversion"in e){r.conversion=e.conversion}return r}function wrapRounded(e){var r=function(r){if(r===undefined||r===null){return r}if(arguments.length>1){r=Array.prototype.slice.call(arguments)}var t=e(r);if(typeof t==="object"){for(var n=t.length,i=0;i-1))throw new E(e);this._writableState.defaultEncoding=e;return this};Object.defineProperty(Writable.prototype,"writableBuffer",{enumerable:false,get:function get(){return this._writableState&&this._writableState.getBuffer()}});function 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o=e.exports={rgb:{channels:3,labels:"rgb"},hsl:{channels:3,labels:"hsl"},hsv:{channels:3,labels:"hsv"},hwb:{channels:3,labels:"hwb"},cmyk:{channels:4,labels:"cmyk"},xyz:{channels:3,labels:"xyz"},lab:{channels:3,labels:"lab"},lch:{channels:3,labels:"lch"},hex:{channels:1,labels:["hex"]},keyword:{channels:1,labels:["keyword"]},ansi16:{channels:1,labels:["ansi16"]},ansi256:{channels:1,labels:["ansi256"]},hcg:{channels:3,labels:["h","c","g"]},apple:{channels:3,labels:["r16","g16","b16"]},gray:{channels:1,labels:["gray"]}};for(var s in o){if(o.hasOwnProperty(s)){if(!("channels"in o[s])){throw new Error("missing channels property: "+s)}if(!("labels"in o[s])){throw new Error("missing channel labels property: "+s)}if(o[s].labels.length!==o[s].channels){throw new Error("channel and label counts mismatch: "+s)}var a=o[s].channels;var f=o[s].labels;delete o[s].channels;delete o[s].labels;Object.defineProperty(o[s],"channels",{value:a});Object.defineProperty(o[s],"labels",{value:f})}}o.rgb.hsl=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i=Math.min(r,t,n);var u=Math.max(r,t,n);var o=u-i;var s;var a;var f;if(u===i){s=0}else if(r===u){s=(t-n)/o}else if(t===u){s=2+(n-r)/o}else if(n===u){s=4+(r-t)/o}s=Math.min(s*60,360);if(s<0){s+=360}f=(i+u)/2;if(u===i){a=0}else if(f<=.5){a=o/(u+i)}else{a=o/(2-u-i)}return[s,a*100,f*100]};o.rgb.hsv=function(e){var r;var t;var n;var i;var u;var o=e[0]/255;var s=e[1]/255;var a=e[2]/255;var f=Math.max(o,s,a);var c=f-Math.min(o,s,a);var l=function(e){return(f-e)/6/c+1/2};if(c===0){i=u=0}else{u=c/f;r=l(o);t=l(s);n=l(a);if(o===f){i=n-t}else if(s===f){i=1/3+r-n}else if(a===f){i=2/3+t-r}if(i<0){i+=1}else if(i>1){i-=1}}return[i*360,u*100,f*100]};o.rgb.hwb=function(e){var r=e[0];var t=e[1];var n=e[2];var i=o.rgb.hsl(e)[0];var u=1/255*Math.min(r,Math.min(t,n));n=1-1/255*Math.max(r,Math.max(t,n));return[i,u*100,n*100]};o.rgb.cmyk=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i;var u;var o;var s;s=Math.min(1-r,1-t,1-n);i=(1-r-s)/(1-s)||0;u=(1-t-s)/(1-s)||0;o=(1-n-s)/(1-s)||0;return[i*100,u*100,o*100,s*100]};function comparativeDistance(e,r){return Math.pow(e[0]-r[0],2)+Math.pow(e[1]-r[1],2)+Math.pow(e[2]-r[2],2)}o.rgb.keyword=function(e){var r=i[e];if(r){return r}var t=Infinity;var u;for(var o in n){if(n.hasOwnProperty(o)){var s=n[o];var a=comparativeDistance(e,s);if(a.04045?Math.pow((r+.055)/1.055,2.4):r/12.92;t=t>.04045?Math.pow((t+.055)/1.055,2.4):t/12.92;n=n>.04045?Math.pow((n+.055)/1.055,2.4):n/12.92;var i=r*.4124+t*.3576+n*.1805;var u=r*.2126+t*.7152+n*.0722;var o=r*.0193+t*.1192+n*.9505;return[i*100,u*100,o*100]};o.rgb.lab=function(e){var r=o.rgb.xyz(e);var t=r[0];var n=r[1];var i=r[2];var u;var s;var a;t/=95.047;n/=100;i/=108.883;t=t>.008856?Math.pow(t,1/3):7.787*t+16/116;n=n>.008856?Math.pow(n,1/3):7.787*n+16/116;i=i>.008856?Math.pow(i,1/3):7.787*i+16/116;u=116*n-16;s=500*(t-n);a=200*(n-i);return[u,s,a]};o.hsl.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;var i;var u;var o;var s;var a;if(t===0){a=n*255;return[a,a,a]}if(n<.5){u=n*(1+t)}else{u=n+t-n*t}i=2*n-u;s=[0,0,0];for(var f=0;f<3;f++){o=r+1/3*-(f-1);if(o<0){o++}if(o>1){o--}if(6*o<1){a=i+(u-i)*6*o}else if(2*o<1){a=u}else if(3*o<2){a=i+(u-i)*(2/3-o)*6}else{a=i}s[f]=a*255}return s};o.hsl.hsv=function(e){var r=e[0];var t=e[1]/100;var n=e[2]/100;var i=t;var u=Math.max(n,.01);var o;var s;n*=2;t*=n<=1?n:2-n;i*=u<=1?u:2-u;s=(n+t)/2;o=n===0?2*i/(u+i):2*t/(n+t);return[r,o*100,s*100]};o.hsv.rgb=function(e){var r=e[0]/60;var t=e[1]/100;var n=e[2]/100;var i=Math.floor(r)%6;var u=r-Math.floor(r);var o=255*n*(1-t);var s=255*n*(1-t*u);var a=255*n*(1-t*(1-u));n*=255;switch(i){case 0:return[n,a,o];case 1:return[s,n,o];case 2:return[o,n,a];case 3:return[o,s,n];case 4:return[a,o,n];case 5:return[n,o,s]}};o.hsv.hsl=function(e){var r=e[0];var t=e[1]/100;var n=e[2]/100;var i=Math.max(n,.01);var u;var o;var s;s=(2-t)*n;u=(2-t)*i;o=t*i;o/=u<=1?u:2-u;o=o||0;s/=2;return[r,o*100,s*100]};o.hwb.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;var i=t+n;var u;var o;var s;var a;if(i>1){t/=i;n/=i}u=Math.floor(6*r);o=1-n;s=6*r-u;if((u&1)!==0){s=1-s}a=t+s*(o-t);var f;var c;var l;switch(u){default:case 6:case 0:f=o;c=a;l=t;break;case 1:f=a;c=o;l=t;break;case 2:f=t;c=o;l=a;break;case 3:f=t;c=a;l=o;break;case 4:f=a;c=t;l=o;break;case 5:f=o;c=t;l=a;break}return[f*255,c*255,l*255]};o.cmyk.rgb=function(e){var r=e[0]/100;var t=e[1]/100;var n=e[2]/100;var i=e[3]/100;var u;var o;var s;u=1-Math.min(1,r*(1-i)+i);o=1-Math.min(1,t*(1-i)+i);s=1-Math.min(1,n*(1-i)+i);return[u*255,o*255,s*255]};o.xyz.rgb=function(e){var r=e[0]/100;var t=e[1]/100;var n=e[2]/100;var i;var u;var o;i=r*3.2406+t*-1.5372+n*-.4986;u=r*-.9689+t*1.8758+n*.0415;o=r*.0557+t*-.204+n*1.057;i=i>.0031308?1.055*Math.pow(i,1/2.4)-.055:i*12.92;u=u>.0031308?1.055*Math.pow(u,1/2.4)-.055:u*12.92;o=o>.0031308?1.055*Math.pow(o,1/2.4)-.055:o*12.92;i=Math.min(Math.max(0,i),1);u=Math.min(Math.max(0,u),1);o=Math.min(Math.max(0,o),1);return[i*255,u*255,o*255]};o.xyz.lab=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;r/=95.047;t/=100;n/=108.883;r=r>.008856?Math.pow(r,1/3):7.787*r+16/116;t=t>.008856?Math.pow(t,1/3):7.787*t+16/116;n=n>.008856?Math.pow(n,1/3):7.787*n+16/116;i=116*t-16;u=500*(r-t);o=200*(t-n);return[i,u,o]};o.lab.xyz=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;u=(r+16)/116;i=t/500+u;o=u-n/200;var s=Math.pow(u,3);var a=Math.pow(i,3);var f=Math.pow(o,3);u=s>.008856?s:(u-16/116)/7.787;i=a>.008856?a:(i-16/116)/7.787;o=f>.008856?f:(o-16/116)/7.787;i*=95.047;u*=100;o*=108.883;return[i,u,o]};o.lab.lch=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;i=Math.atan2(n,t);u=i*360/2/Math.PI;if(u<0){u+=360}o=Math.sqrt(t*t+n*n);return[r,o,u]};o.lch.lab=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;o=n/360*2*Math.PI;i=t*Math.cos(o);u=t*Math.sin(o);return[r,i,u]};o.rgb.ansi16=function(e){var r=e[0];var t=e[1];var n=e[2];var i=1 in arguments?arguments[1]:o.rgb.hsv(e)[2];i=Math.round(i/50);if(i===0){return 30}var u=30+(Math.round(n/255)<<2|Math.round(t/255)<<1|Math.round(r/255));if(i===2){u+=60}return u};o.hsv.ansi16=function(e){return o.rgb.ansi16(o.hsv.rgb(e),e[2])};o.rgb.ansi256=function(e){var r=e[0];var t=e[1];var n=e[2];if(r===t&&t===n){if(r<8){return 16}if(r>248){return 231}return Math.round((r-8)/247*24)+232}var i=16+36*Math.round(r/255*5)+6*Math.round(t/255*5)+Math.round(n/255*5);return i};o.ansi16.rgb=function(e){var r=e%10;if(r===0||r===7){if(e>50){r+=3.5}r=r/10.5*255;return[r,r,r]}var t=(~~(e>50)+1)*.5;var n=(r&1)*t*255;var i=(r>>1&1)*t*255;var u=(r>>2&1)*t*255;return[n,i,u]};o.ansi256.rgb=function(e){if(e>=232){var r=(e-232)*10+8;return[r,r,r]}e-=16;var t;var n=Math.floor(e/36)/5*255;var i=Math.floor((t=e%36)/6)/5*255;var u=t%6/5*255;return[n,i,u]};o.rgb.hex=function(e){var r=((Math.round(e[0])&255)<<16)+((Math.round(e[1])&255)<<8)+(Math.round(e[2])&255);var t=r.toString(16).toUpperCase();return"000000".substring(t.length)+t};o.hex.rgb=function(e){var r=e.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);if(!r){return[0,0,0]}var t=r[0];if(r[0].length===3){t=t.split("").map(function(e){return e+e}).join("")}var n=parseInt(t,16);var i=n>>16&255;var u=n>>8&255;var o=n&255;return[i,u,o]};o.rgb.hcg=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i=Math.max(Math.max(r,t),n);var u=Math.min(Math.min(r,t),n);var o=i-u;var s;var a;if(o<1){s=u/(1-o)}else{s=0}if(o<=0){a=0}else if(i===r){a=(t-n)/o%6}else if(i===t){a=2+(n-r)/o}else{a=4+(r-t)/o+4}a/=6;a%=1;return[a*360,o*100,s*100]};o.hsl.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=1;var i=0;if(t<.5){n=2*r*t}else{n=2*r*(1-t)}if(n<1){i=(t-.5*n)/(1-n)}return[e[0],n*100,i*100]};o.hsv.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=r*t;var i=0;if(n<1){i=(t-n)/(1-n)}return[e[0],n*100,i*100]};o.hcg.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;if(t===0){return[n*255,n*255,n*255]}var i=[0,0,0];var u=r%1*6;var o=u%1;var s=1-o;var a=0;switch(Math.floor(u)){case 0:i[0]=1;i[1]=o;i[2]=0;break;case 1:i[0]=s;i[1]=1;i[2]=0;break;case 2:i[0]=0;i[1]=1;i[2]=o;break;case 3:i[0]=0;i[1]=s;i[2]=1;break;case 4:i[0]=o;i[1]=0;i[2]=1;break;default:i[0]=1;i[1]=0;i[2]=s}a=(1-t)*n;return[(t*i[0]+a)*255,(t*i[1]+a)*255,(t*i[2]+a)*255]};o.hcg.hsv=function(e){var r=e[1]/100;var t=e[2]/100;var n=r+t*(1-r);var i=0;if(n>0){i=r/n}return[e[0],i*100,n*100]};o.hcg.hsl=function(e){var r=e[1]/100;var t=e[2]/100;var n=t*(1-r)+.5*r;var i=0;if(n>0&&n<.5){i=r/(2*n)}else if(n>=.5&&n<1){i=r/(2*(1-n))}return[e[0],i*100,n*100]};o.hcg.hwb=function(e){var r=e[1]/100;var t=e[2]/100;var n=r+t*(1-r);return[e[0],(n-r)*100,(1-n)*100]};o.hwb.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=1-t;var i=n-r;var u=0;if(i<1){u=(n-i)/(1-i)}return[e[0],i*100,u*100]};o.apple.rgb=function(e){return[e[0]/65535*255,e[1]/65535*255,e[2]/65535*255]};o.rgb.apple=function(e){return[e[0]/255*65535,e[1]/255*65535,e[2]/255*65535]};o.gray.rgb=function(e){return[e[0]/100*255,e[0]/100*255,e[0]/100*255]};o.gray.hsl=o.gray.hsv=function(e){return[0,0,e[0]]};o.gray.hwb=function(e){return[0,100,e[0]]};o.gray.cmyk=function(e){return[0,0,0,e[0]]};o.gray.lab=function(e){return[e[0],0,0]};o.gray.hex=function(e){var r=Math.round(e[0]/100*255)&255;var t=(r<<16)+(r<<8)+r;var n=t.toString(16).toUpperCase();return"000000".substring(n.length)+n};o.rgb.gray=function(e){var r=(e[0]+e[1]+e[2])/3;return[r/255*100]}},,,function(e,r,t){"use strict";var n=t(608);e.exports=n("remark-lint:final-newline",finalNewline);function finalNewline(e,r){var t=String(r);var 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u=-1;while(++u{if(e instanceof Set){e.forEach(r)}else{r(e)}};const k=(e,r,t)=>{let n=e[r];if(!(n instanceof Set)){e[r]=n=new Set([n])}n.add(t)};const x=e=>r=>{const t=e[r];if(t instanceof Set){t.clear()}else{delete e[r]}};const R=(e,r,t)=>{const n=e[r];if(n instanceof Set){n.delete(t)}else if(n===t){delete e[r]}};const T=e=>e instanceof Set?e.size===0:!e;const I=new Map;function createFsWatchInstance(e,r,t,u,o){const s=(r,n)=>{t(e);o(r,n,{watchedPath:e});if(n&&e!==n){L(i.resolve(e,n),c,i.join(e,n))}};try{return n.watch(e,r,s)}catch(e){u(e)}}const L=(e,r,t,n,i)=>{const u=I.get(e);if(!u)return;O(u[r],e=>{e(t,n,i)})};const M=(e,r,t,n)=>{const{listener:i,errHandler:u,rawEmitter:o}=n;let a=I.get(r);let f;if(!t.persistent){f=createFsWatchInstance(e,t,i,u,o);return f.close.bind(f)}if(a){k(a,c,i);k(a,l,u);k(a,p,o)}else{f=createFsWatchInstance(e,t,L.bind(null,r,c),u,L.bind(null,r,p));if(!f)return;f.on(g,async t=>{const n=L.bind(null,r,l);a.watcherUnusable=true;if(s&&t.code==="EPERM"){try{const r=await w(e,"r");await S(r);n(t)}catch(e){}}else{n(t)}});a={listeners:i,errHandlers:u,rawEmitters:o,watcher:f};I.set(r,a)}return()=>{R(a,c,i);R(a,l,u);R(a,p,o);if(T(a.listeners)){a.watcher.close();I.delete(r);h.forEach(x(a));a.watcher=undefined;Object.freeze(a)}}};const j=new Map;const P=(e,r,t,i)=>{const{listener:u,rawEmitter:o}=i;let s=j.get(r);let a=new Set;let f=new Set;const l=s&&s.options;if(l&&(l.persistentt.interval)){a=s.listeners;f=s.rawEmitters;n.unwatchFile(r);s=undefined}if(s){k(s,c,u);k(s,p,o)}else{s={listeners:u,rawEmitters:o,options:t,watcher:n.watchFile(r,t,(t,n)=>{O(s.rawEmitters,e=>{e(v,r,{curr:t,prev:n})});const i=t.mtimeMs;if(t.size!==n.size||i>n.mtimeMs||i===0){O(s.listeners,r=>r(e,t))}})};j.set(r,s)}return()=>{R(s,c,u);R(s,p,o);if(T(s.listeners)){j.delete(r);n.unwatchFile(r);s.options=s.watcher=undefined;Object.freeze(s)}}};class NodeFsHandler{constructor(e){this.fsw=e;this._boundHandleError=(r=>e._handleError(r))}_watchWithNodeFs(e,r){const t=this.fsw.options;const n=i.dirname(e);const u=i.basename(e);const s=this.fsw._getWatchedDir(n);s.add(u);const f=i.resolve(e);const c={persistent:t.persistent};if(!r)r=a;let l;if(t.usePolling){c.interval=t.enableBinaryInterval&&o(u)?t.binaryInterval:t.interval;l=P(e,f,c,{listener:r,rawEmitter:this.fsw._emitRaw})}else{l=M(e,f,c,{listener:r,errHandler:this._boundHandleError,rawEmitter:this.fsw._emitRaw})}return l}_handleFile(e,r,t){if(this.fsw.closed){return}const n=i.dirname(e);const u=i.basename(e);const o=this.fsw._getWatchedDir(n);let s=r;if(o.has(u))return;const a=this._watchWithNodeFs(e,async(r,t)=>{if(!this.fsw._throttle(C,e,5))return;if(!t||t.mtimeMs===0){try{const r=await F(e);if(this.fsw.closed)return;const t=r.atimeMs;const i=r.mtimeMs;if(!t||t<=i||i!==s.mtimeMs){this.fsw._emit(v,e,r)}s=r}catch(e){this.fsw._remove(n,u)}}else if(o.has(u)){const r=t.atimeMs;const n=t.mtimeMs;if(!r||r<=n||n!==s.mtimeMs){this.fsw._emit(v,e,t)}s=t}});if(!(t&&this.fsw.options.ignoreInitial)&&this.fsw._isntIgnored(e)){if(!this.fsw._throttle(D,e,0))return;this.fsw._emit(D,e,r)}return a}async _handleSymlink(e,r,t,n){if(this.fsw.closed){return}const i=e.fullPath;const u=this.fsw._getWatchedDir(r);if(!this.fsw.options.followSymlinks){this.fsw._incrReadyCount();const r=await _(t);if(this.fsw.closed)return;if(u.has(n)){if(this.fsw._symlinkPaths.get(i)!==r){this.fsw._symlinkPaths.set(i,r);this.fsw._emit(v,t,e.stats)}}else{u.add(n);this.fsw._symlinkPaths.set(i,r);this.fsw._emit(D,t,e.stats)}this.fsw._emitReady();return true}if(this.fsw._symlinkPaths.has(i)){return true}this.fsw._symlinkPaths.set(i,true)}_handleRead(e,r,t,n,u,o,s){e=i.join(e,f);if(!t.hasGlob){s=this.fsw._throttle("readdir",e,1e3);if(!s)return}const a=this.fsw._getWatchedDir(t.path);const c=new Set;let l=this.fsw._readdirp(e,{fileFilter:e=>t.filterPath(e),directoryFilter:e=>t.filterDir(e),depth:0}).on(m,async s=>{if(this.fsw.closed){l=undefined;return}const f=s.path;let p=i.join(e,f);c.add(f);if(s.stats.isSymbolicLink()&&await this._handleSymlink(s,e,p,f)){return}if(this.fsw.closed){l=undefined;return}if(f===n||!n&&!a.has(f)){this.fsw._incrReadyCount();p=i.join(u,i.relative(u,p));this._addToNodeFs(p,r,t,o+1)}}).on(g,this._boundHandleError);return new Promise(r=>l.once(E,()=>{if(this.fsw.closed){l=undefined;return}const f=s?s.clear():false;r();a.getChildren().filter(r=>{return r!==e&&!c.has(r)&&(!t.hasGlob||t.filterPath({fullPath:i.resolve(e,r)}))}).forEach(r=>{this.fsw._remove(e,r)});l=undefined;if(f)this._handleRead(e,false,t,n,u,o,s)}))}async _handleDir(e,r,t,n,u,o,s){const a=this.fsw._getWatchedDir(i.dirname(e));const f=a.has(i.basename(e));if(!(t&&this.fsw.options.ignoreInitial)&&!u&&!f){if(!o.hasGlob||o.globFilter(e))this.fsw._emit(d,e,r)}a.add(i.basename(e));this.fsw._getWatchedDir(e);let c;let l;const p=this.fsw.options.depth;if((p==null||n<=p)&&!this.fsw._symlinkPaths.has(s)){if(!u){await this._handleRead(e,t,o,u,e,n,c);if(this.fsw.closed)return}l=this._watchWithNodeFs(e,(r,t)=>{if(t&&t.mtimeMs===0)return;this._handleRead(r,false,o,u,e,n,c)})}return l}async _addToNodeFs(e,r,t,n,u){const o=this.fsw._emitReady;if(this.fsw._isIgnored(e)||this.fsw.closed){o();return false}const s=this.fsw._getWatchHelpers(e,n);if(!s.hasGlob&&t){s.hasGlob=t.hasGlob;s.globFilter=t.globFilter;s.filterPath=(e=>t.filterPath(e));s.filterDir=(e=>t.filterDir(e))}try{const t=await B[s.statMethod](s.watchPath);if(this.fsw.closed)return;if(this.fsw._isIgnored(s.watchPath,t)){o();return false}const a=this.fsw.options.followSymlinks&&!e.includes(A)&&!e.includes(b);let f;if(t.isDirectory()){const i=a?await _(e):e;if(this.fsw.closed)return;f=await this._handleDir(s.watchPath,t,r,n,u,s,i);if(this.fsw.closed)return;if(e!==i&&i!==undefined){this.fsw._symlinkPaths.set(i,true)}}else if(t.isSymbolicLink()){const u=a?await _(e):e;if(this.fsw.closed)return;const o=i.dirname(s.watchPath);this.fsw._getWatchedDir(o).add(s.watchPath);this.fsw._emit(D,s.watchPath,t);f=await this._handleDir(o,t,r,n,e,s,u);if(this.fsw.closed)return;if(u!==undefined){this.fsw._symlinkPaths.set(i.resolve(e),u)}}else{f=this._handleFile(s.watchPath,t,r)}o();this.fsw._addPathCloser(e,f);return false}catch(r){if(this.fsw._handleError(r)){o();return e}}}}e.exports=NodeFsHandler},function(e){"use strict";e.exports=locate;function locate(e,r){var t=e.indexOf("\n",r);while(t>r){if(e.charAt(t-1)!==" "){break}t--}return t}},function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:rule-style",ruleStyle);var s=u.start;var a=u.end;function ruleStyle(e,r,t){var n=String(r);t=typeof t==="string"&&t!=="consistent"?t:null;if(t!==null&&/[^-_* ]/.test(t)){r.fail("Invalid preferred rule-style: provide a valid markdown rule, or `'consistent'`")}i(e,"thematicBreak",visitor);function visitor(e){var i=s(e).offset;var u=a(e).offset;var f;if(!o(e)){f=n.slice(i,u);if(t){if(f!==t){r.message("Rules should use `"+t+"`",e)}}else{t=f}}}}},,function(e,r,t){e.exports=require(t.ab+"fsevents.node")},,,,,,,,,function(e,r,t){"use strict";e=t.nmd(e);const n=t(592);const i=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${t+r}m`});const u=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${38+r};5;${t}m`});const o=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${38+r};2;${t[0]};${t[1]};${t[2]}m`});function assembleStyles(){const e=new Map;const r={modifier:{reset:[0,0],bold:[1,22],dim:[2,22],italic:[3,23],underline:[4,24],inverse:[7,27],hidden:[8,28],strikethrough:[9,29]},color:{black:[30,39],red:[31,39],green:[32,39],yellow:[33,39],blue:[34,39],magenta:[35,39],cyan:[36,39],white:[37,39],gray:[90,39],redBright:[91,39],greenBright:[92,39],yellowBright:[93,39],blueBright:[94,39],magentaBright:[95,39],cyanBright:[96,39],whiteBright:[97,39]},bgColor:{bgBlack:[40,49],bgRed:[41,49],bgGreen:[42,49],bgYellow:[43,49],bgBlue:[44,49],bgMagenta:[45,49],bgCyan:[46,49],bgWhite:[47,49],bgBlackBright:[100,49],bgRedBright:[101,49],bgGreenBright:[102,49],bgYellowBright:[103,49],bgBlueBright:[104,49],bgMagentaBright:[105,49],bgCyanBright:[106,49],bgWhiteBright:[107,49]}};r.color.grey=r.color.gray;for(const t of Object.keys(r)){const n=r[t];for(const t of Object.keys(n)){const i=n[t];r[t]={open:`[${i[0]}m`,close:`[${i[1]}m`};n[t]=r[t];e.set(i[0],i[1])}Object.defineProperty(r,t,{value:n,enumerable:false});Object.defineProperty(r,"codes",{value:e,enumerable:false})}const t=e=>e;const s=(e,r,t)=>[e,r,t];r.color.close="";r.bgColor.close="";r.color.ansi={ansi:i(t,0)};r.color.ansi256={ansi256:u(t,0)};r.color.ansi16m={rgb:o(s,0)};r.bgColor.ansi={ansi:i(t,10)};r.bgColor.ansi256={ansi256:u(t,10)};r.bgColor.ansi16m={rgb:o(s,10)};for(let e of Object.keys(n)){if(typeof n[e]!=="object"){continue}const t=n[e];if(e==="ansi16"){e="ansi"}if("ansi16"in t){r.color.ansi[e]=i(t.ansi16,0);r.bgColor.ansi[e]=i(t.ansi16,10)}if("ansi256"in t){r.color.ansi256[e]=u(t.ansi256,0);r.bgColor.ansi256[e]=u(t.ansi256,10)}if("rgb"in t){r.color.ansi16m[e]=o(t.rgb,0);r.bgColor.ansi16m[e]=o(t.rgb,10)}}return r}Object.defineProperty(e,"exports",{enumerable:true,get:assembleStyles})},function(e){e.exports=[{long:"help",description:"output usage information",short:"h",type:"boolean",default:false},{long:"version",description:"output version number",short:"v",type:"boolean",default:false},{long:"output",description:"specify output location",short:"o",value:"[path]"},{long:"rc-path",description:"specify configuration file",short:"r",type:"string",value:""},{long:"ignore-path",description:"specify ignore file",short:"i",type:"string",value:""},{long:"setting",description:"specify settings",short:"s",type:"string",value:""},{long:"ext",description:"specify extensions",short:"e",type:"string",value:""},{long:"use",description:"use plugins",short:"u",type:"string",value:""},{long:"watch",description:"watch for changes and reprocess",short:"w",type:"boolean",default:false},{long:"quiet",description:"output only warnings and errors",short:"q",type:"boolean",default:false},{long:"silent",description:"output only errors",short:"S",type:"boolean",default:false},{long:"frail",description:"exit with 1 on warnings",short:"f",type:"boolean",default:false},{long:"tree",description:"specify input and output as syntax tree",short:"t",type:"boolean",default:false},{long:"report",description:"specify reporter",type:"string",value:""},{long:"file-path",description:"specify path to process as",type:"string",value:""},{long:"ignore-pattern",description:"specify ignore patterns",type:"string",value:""},{long:"tree-in",description:"specify input as syntax tree",type:"boolean"},{long:"tree-out",description:"output syntax tree",type:"boolean"},{long:"inspect",description:"output formatted syntax tree",type:"boolean"},{long:"stdout",description:"specify writing to stdout",type:"boolean",truelike:true},{long:"color",description:"specify color in report",type:"boolean",default:true},{long:"config",description:"search for configuration files",type:"boolean",default:true},{long:"ignore",description:"search for ignore files",type:"boolean",default:true}]},,,,function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:hard-break-spaces",hardBreakSpaces);var s="Use two spaces for hard line breaks";function hardBreakSpaces(e,r){var t=String(r);i(e,"break",visitor);function visitor(e){var n;if(!o(e)){n=t.slice(u.start(e).offset,u.end(e).offset).split("\n",1)[0].replace(/\r$/,"");if(n.length>2){r.message(s,e)}}}}},function(e){e.exports=require("util")},function(e,r,t){"use strict";var n=t(269);var i=t(449);var u=t(803);e.exports=n;n.read=u.read;n.readSync=i.read;n.write=u.write;n.writeSync=i.write},,function(e,r,t){"use strict";e.exports=Transform;var n=t(818).codes,i=n.ERR_METHOD_NOT_IMPLEMENTED,u=n.ERR_MULTIPLE_CALLBACK,o=n.ERR_TRANSFORM_ALREADY_TRANSFORMING,s=n.ERR_TRANSFORM_WITH_LENGTH_0;var a=t(308);t(689)(Transform,a);function afterTransform(e,r){var t=this._transformState;t.transforming=false;var n=t.writecb;if(n===null){return this.emit("error",new u)}t.writechunk=null;t.writecb=null;if(r!=null)this.push(r);n(e);var 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newToken("numeric",d*Infinity);case"N":read();literal("aN");return newToken("numeric",NaN)}throw invalidChar(read())},zero(){switch(g){case".":v+=read();h="decimalPoint";return;case"e":case"E":v+=read();h="decimalExponent";return;case"x":case"X":v+=read();h="hexadecimal";return}return newToken("numeric",d*0)},decimalInteger(){switch(g){case".":v+=read();h="decimalPoint";return;case"e":case"E":v+=read();h="decimalExponent";return}if(n.isDigit(g)){v+=read();return}return newToken("numeric",d*Number(v))},decimalPointLeading(){if(n.isDigit(g)){v+=read();h="decimalFraction";return}throw invalidChar(read())},decimalPoint(){switch(g){case"e":case"E":v+=read();h="decimalExponent";return}if(n.isDigit(g)){v+=read();h="decimalFraction";return}return newToken("numeric",d*Number(v))},decimalFraction(){switch(g){case"e":case"E":v+=read();h="decimalExponent";return}if(n.isDigit(g)){v+=read();return}return 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e=peek();switch(e){case"b":read();return"\b";case"f":read();return"\f";case"n":read();return"\n";case"r":read();return"\r";case"t":read();return"\t";case"v":read();return"\v";case"0":read();if(n.isDigit(peek())){throw invalidChar(read())}return"\0";case"x":read();return hexEscape();case"u":read();return unicodeEscape();case"\n":case"\u2028":case"\u2029":read();return"";case"\r":read();if(peek()==="\n"){read()}return"";case"1":case"2":case"3":case"4":case"5":case"6":case"7":case"8":case"9":throw invalidChar(read());case undefined:throw invalidChar(read())}return read()}function hexEscape(){let e="";let r=peek();if(!n.isHexDigit(r)){throw invalidChar(read())}e+=read();r=peek();if(!n.isHexDigit(r)){throw invalidChar(read())}e+=read();return String.fromCodePoint(parseInt(e,16))}function unicodeEscape(){let e="";let r=4;while(r-- >0){const r=peek();if(!n.isHexDigit(r)){throw invalidChar(read())}e+=read()}return String.fromCodePoint(parseInt(e,16))}const E={start(){if(c.type==="eof"){throw invalidEOF()}push()},beforePropertyName(){switch(c.type){case"identifier":case"string":l=c.value;u="afterPropertyName";return;case"punctuator":pop();return;case"eof":throw invalidEOF()}},afterPropertyName(){if(c.type==="eof"){throw invalidEOF()}u="beforePropertyValue"},beforePropertyValue(){if(c.type==="eof"){throw invalidEOF()}push()},beforeArrayValue(){if(c.type==="eof"){throw invalidEOF()}if(c.type==="punctuator"&&c.value==="]"){pop();return}push()},afterPropertyValue(){if(c.type==="eof"){throw invalidEOF()}switch(c.value){case",":u="beforePropertyName";return;case"}":pop()}},afterArrayValue(){if(c.type==="eof"){throw invalidEOF()}switch(c.value){case",":u="beforeArrayValue";return;case"]":pop()}},end(){}};function push(){let e;switch(c.type){case"punctuator":switch(c.value){case"{":e={};break;case"[":e=[];break}break;case"null":case"boolean":case"numeric":case"string":e=c.value;break}if(p===undefined){p=e}else{const r=o[o.length-1];if(Array.isArray(r)){r.push(e)}else{r[l]=e}}if(e!==null&&typeof e==="object"){o.push(e);if(Array.isArray(e)){u="beforeArrayValue"}else{u="beforePropertyName"}}else{const e=o[o.length-1];if(e==null){u="end"}else if(Array.isArray(e)){u="afterArrayValue"}else{u="afterPropertyValue"}}}function pop(){o.pop();const e=o[o.length-1];if(e==null){u="end"}else if(Array.isArray(e)){u="afterArrayValue"}else{u="afterPropertyValue"}}function invalidChar(e){if(e===undefined){return syntaxError(`JSON5: invalid end of input at ${a}:${f}`)}return syntaxError(`JSON5: invalid character '${formatChar(e)}' at ${a}:${f}`)}function invalidEOF(){return syntaxError(`JSON5: invalid end of input at ${a}:${f}`)}function invalidIdentifier(){f-=5;return syntaxError(`JSON5: invalid identifier character at ${a}:${f}`)}function separatorChar(e){console.warn(`JSON5: '${formatChar(e)}' in strings is not valid ECMAScript; consider escaping`)}function formatChar(e){const r={"'":"\\'",'"':'\\"',"\\":"\\\\","\b":"\\b","\f":"\\f","\n":"\\n","\r":"\\r","\t":"\\t","\v":"\\v","\0":"\\0","\u2028":"\\u2028","\u2029":"\\u2029"};if(r[e]){return r[e]}if(e<" "){const r=e.charCodeAt(0).toString(16);return"\\x"+("00"+r).substring(r.length)}return e}function syntaxError(e){const r=new SyntaxError(e);r.lineNumber=a;r.columnNumber=f;return r}},function(e,r,t){"use strict";var n=t(747);var i=t(622);var u=t(827);var o=t(784)("unified-engine:find-up");var s=t(145);e.exports=FindUp;var a=n.readFile;var f=i.resolve;var c=i.relative;var l=i.join;var p=i.dirname;FindUp.prototype.load=load;function FindUp(e){var r=this;var t=e.filePath;r.cache={};r.cwd=e.cwd;r.detect=e.detect;r.names=e.names;r.create=e.create;if(t){r.givenFilePath=f(e.cwd,t)}}function load(e,r){var t=this;var n=t.cache;var i=t.givenFilePath;var h=t.givenFile;var v=t.names;var D=t.create;var d=t.cwd;var g;if(i){if(h){apply(r,h)}else{h=[r];t.givenFile=h;o("Checking given file 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objectToThunk(e){var r=this;var t=Array.isArray(e);return function(n){var i=Object.keys(e);var u=i.length;var o=t?new Array(u):new e.constructor;var s;if(!u){setImmediate(function(){n(null,o)});return}if(!t){for(var a=0;a Date: Wed, 15 Jan 2020 16:34:38 -0800 Subject: [PATCH 052/224] benchmark: add default type in getstringwidth.js This fixes a benchmark test that was recently broken by a breaking change on the master branch. Fixes: https://github.com/nodejs/node/issues/31372 PR-URL: https://github.com/nodejs/node/pull/31377 Reviewed-By: Ruben Bridgewater Reviewed-By: Sam Roberts Reviewed-By: Colin Ihrig Reviewed-By: Richard Lau --- benchmark/misc/getstringwidth.js | 2 ++ 1 file changed, 2 insertions(+) diff --git a/benchmark/misc/getstringwidth.js b/benchmark/misc/getstringwidth.js index 12f071c60dd7eb..97532bf2a7b50f 100644 --- a/benchmark/misc/getstringwidth.js +++ b/benchmark/misc/getstringwidth.js @@ -10,6 +10,8 @@ const bench = common.createBenchmark(main, { }); function main({ n, type }) { + // Default value for testing purposes. + type = type || 'ascii'; const { getStringWidth } = require('internal/readline/utils'); const str = ({ From 1107309e694f41b44970e9cfdb3acd07e9b1ec68 Mon Sep 17 00:00:00 2001 From: Daniel Bevenius Date: Thu, 23 Jan 2020 13:43:03 +0100 Subject: [PATCH 053/224] src: ignore GCC -Wcast-function-type for v8.h MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This commit suggests that cast-function-type warnings be ignored from v8.h. Currently, GCC reports a number of warnings like this: In file included from ../src/util.h:27, from ../src/aliased_buffer.h:7, from ../src/memory_tracker.h:5, from ../src/base_object.h:27, from ../src/async_wrap.h:27, from ../src/req_wrap.h:6, from ../src/req_wrap-inl.h:6, from ../src/connect_wrap.h:6, from ../src/connect_wrap.cc:1: ../deps/v8/include/v8.h: In instantiation of ‘void v8::PersistentBase::SetWeak( P*, typename v8::WeakCallbackInfo

::Callback, v8::WeakCallbackType) [with P = node::BaseObject; T = v8::Object; typename v8::WeakCallbackInfo

::Callback = void (*)(const v8::WeakCallbackInfo&)]’: ../src/base_object-inl.h:123:42: required from here ../deps/v8/include/v8.h:10374:16: warning: cast between incompatible function types from ‘v8::WeakCallbackInfo::Callback’ {aka ‘void (*)(const v8::WeakCallbackInfo&)’} to ‘Callback’ {aka ‘void (*)(const v8::WeakCallbackInfo&)’} [-Wcast-function-type] reinterpret_cast(callback), type); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The motivation for doing this that it makes it difficult to spot other warnings that might be important. Since it is v8 that performs this cast I was not able to find a way around it. PR-URL: https://github.com/nodejs/node/pull/31475 Reviewed-By: Anna Henningsen Reviewed-By: Colin Ihrig Reviewed-By: David Carlier Reviewed-By: Sam Roberts Reviewed-By: Rich Trott --- src/base_object-inl.h | 8 ++++++++ src/node.h | 7 +++++++ src/util.h | 7 +++++++ 3 files changed, 22 insertions(+) diff --git a/src/base_object-inl.h b/src/base_object-inl.h index af69084f4a5595..fd194bc0a3e80d 100644 --- a/src/base_object-inl.h +++ b/src/base_object-inl.h @@ -27,7 +27,15 @@ #include "base_object.h" #include "env-inl.h" #include "util.h" + +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wcast-function-type" +#endif #include "v8.h" +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic pop +#endif namespace node { diff --git a/src/node.h b/src/node.h index 861e03a8ad97aa..845fad5a063339 100644 --- a/src/node.h +++ b/src/node.h @@ -60,7 +60,14 @@ # define SIGKILL 9 #endif +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wcast-function-type" +#endif #include "v8.h" // NOLINT(build/include_order) +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic pop +#endif #include "v8-platform.h" // NOLINT(build/include_order) #include "node_version.h" // NODE_MODULE_VERSION diff --git a/src/util.h b/src/util.h index b04193c2ef1a7d..169e6491884542 100644 --- a/src/util.h +++ b/src/util.h @@ -24,7 +24,14 @@ #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wcast-function-type" +#endif #include "v8.h" +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic pop +#endif #include #include // PATH_MAX From ceaab4967cfb596ad3805dd9cd56cc5a89a69e9d Mon Sep 17 00:00:00 2001 From: Denys Otrishko Date: Sun, 26 Jan 2020 17:59:51 +0200 Subject: [PATCH 054/224] src: fix ignore GCC -Wcast-function-type for older compilers Fixes: https://github.com/nodejs/node/issues/31517 PR-URL: https://github.com/nodejs/node/pull/31524 Reviewed-By: Richard Lau Reviewed-By: Colin Ihrig Reviewed-By: Daniel Bevenius Reviewed-By: Rich Trott --- src/base_object-inl.h | 4 ++-- src/node.h | 5 +++-- src/util.h | 4 ++-- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/src/base_object-inl.h b/src/base_object-inl.h index fd194bc0a3e80d..a5a92128cf6967 100644 --- a/src/base_object-inl.h +++ b/src/base_object-inl.h @@ -28,12 +28,12 @@ #include "env-inl.h" #include "util.h" -#if defined(__GNUC__) && !defined(__clang__) +#if (__GNUC__ >= 8) && !defined(__clang__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-function-type" #endif #include "v8.h" -#if defined(__GNUC__) && !defined(__clang__) +#if (__GNUC__ >= 8) && !defined(__clang__) #pragma GCC diagnostic pop #endif diff --git a/src/node.h b/src/node.h index 845fad5a063339..886216e2cb533e 100644 --- a/src/node.h +++ b/src/node.h @@ -60,14 +60,15 @@ # define SIGKILL 9 #endif -#if defined(__GNUC__) && !defined(__clang__) +#if (__GNUC__ >= 8) && !defined(__clang__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-function-type" #endif #include "v8.h" // NOLINT(build/include_order) -#if defined(__GNUC__) && !defined(__clang__) +#if (__GNUC__ >= 8) && !defined(__clang__) #pragma GCC diagnostic pop #endif + #include "v8-platform.h" // NOLINT(build/include_order) #include "node_version.h" // NODE_MODULE_VERSION diff --git a/src/util.h b/src/util.h index 169e6491884542..a48e68588de890 100644 --- a/src/util.h +++ b/src/util.h @@ -24,12 +24,12 @@ #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS -#if defined(__GNUC__) && !defined(__clang__) +#if (__GNUC__ >= 8) && !defined(__clang__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-function-type" #endif #include "v8.h" -#if defined(__GNUC__) && !defined(__clang__) +#if (__GNUC__ >= 8) && !defined(__clang__) #pragma GCC diagnostic pop #endif From 37e386f91933602de4891d49c87c573f16117f8e Mon Sep 17 00:00:00 2001 From: Richard Lau Date: Mon, 13 Jan 2020 19:54:36 -0500 Subject: [PATCH 055/224] build: do not use setup-node in build workflows MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The setup-node GitHub Action installs problem matchers that happen to match the warning message format of Visual Studio's C/C++ compiler. This is resulting in all of our pull requests being annotated with `Unchanged files with check annotations` which are confusing to new contributors as they are not due to the changes in the pull request. The action is used to run `npx envinfo` to dump some information into the logs before the actual build. All GitHub hosted runners already have a version of Node.js installed (12.x at the time of this commit) which we can use to run `envinfo`. Remove the action to avoid using the problematic problem matcher. PR-URL: https://github.com/nodejs/node/pull/31349 Fixes: https://github.com/nodejs/node/issues/31347 Reviewed-By: Colin Ihrig Reviewed-By: Jiawen Geng Reviewed-By: Michaël Zasso Reviewed-By: Sam Roberts Reviewed-By: Ruben Bridgewater Reviewed-By: Rich Trott --- .github/workflows/CI.yml | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml index 257e4abbc10aca..d2936382528b0d 100644 --- a/.github/workflows/CI.yml +++ b/.github/workflows/CI.yml @@ -7,10 +7,6 @@ jobs: runs-on: ubuntu-latest steps: - uses: actions/checkout@v2 - - name: Use Node.js 13 - uses: actions/setup-node@v1 - with: - node-version: 13.x - name: Environment Information run: npx envinfo - name: Build @@ -19,10 +15,6 @@ jobs: runs-on: windows-latest steps: - uses: actions/checkout@v2 - - name: Use Node.js 13 - uses: actions/setup-node@v1 - with: - node-version: 13.x - name: Environment Information run: npx envinfo - name: Install deps @@ -33,10 +25,6 @@ jobs: runs-on: macos-latest steps: - uses: actions/checkout@v2 - - name: Use Node.js 13 - uses: actions/setup-node@v1 - with: - node-version: 13.x - name: Environment Information run: npx envinfo - name: Build From c11213ead60e76bcebaae5425b33241d702d411e Mon Sep 17 00:00:00 2001 From: Harshitha KP Date: Mon, 13 Jan 2020 08:15:50 -0500 Subject: [PATCH 056/224] doc: document missing properties in child_process Add documentation for subprocess.exitCode, subprocess.signalCode, subprocess.spawnargs, and subprocess.spawnfile. PR-URL: https://github.com/nodejs/node/pull/31342 Fixes: https://github.com/nodejs/node/issues/27206 Reviewed-By: Anna Henningsen Reviewed-By: Rich Trott --- doc/api/child_process.md | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/doc/api/child_process.md b/doc/api/child_process.md index f707c2fe24a07a..8e2b9a45a19aee 100644 --- a/doc/api/child_process.md +++ b/doc/api/child_process.md @@ -1055,6 +1055,13 @@ When the child process is a Node.js instance (e.g. spawned using [`child_process.fork()`][]), the `process.disconnect()` method can be invoked within the child process to close the IPC channel as well. +### `subprocess.exitCode` + +* {integer} + +The `subprocess.exitcode` property indicates the exit code of the child process. +If the child process is still running, the field will be null. + ### `subprocess.kill([signal])` Aborting instead of exiting causes a core file to be generated for post-mortem From 2d8afb982ad65bc176c9044aff99dbd85556ec57 Mon Sep 17 00:00:00 2001 From: Ben Noordhuis Date: Sun, 12 Jan 2020 10:36:01 +0100 Subject: [PATCH 063/224] test: export public symbols in addons tests Upcoming changes to node-gyp will turn on `-fvisibility=hidden` on macOS. Ensure that public symbols that are dlsym'd have default visibility. Refs: https://github.com/nodejs/node/pull/28647 Refs: https://github.com/nodejs/node-gyp/pull/1828 PR-URL: https://github.com/nodejs/node/pull/28717 Reviewed-By: Rich Trott Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Anna Henningsen --- test/addons/dlopen-ping-pong/binding.cc | 4 +++- test/addons/dlopen-ping-pong/ping.c | 1 + test/addons/openssl-client-cert-engine/testengine.cc | 10 ++++++++-- test/addons/openssl-key-engine/testkeyengine.cc | 10 ++++++++-- 4 files changed, 20 insertions(+), 5 deletions(-) diff --git a/test/addons/dlopen-ping-pong/binding.cc b/test/addons/dlopen-ping-pong/binding.cc index ecdabd5e0f4eef..7b211be1195bf7 100644 --- a/test/addons/dlopen-ping-pong/binding.cc +++ b/test/addons/dlopen-ping-pong/binding.cc @@ -5,7 +5,9 @@ #include -extern "C" const char* dlopen_pong(void) { +extern "C" +__attribute__((visibility("default"))) +const char* dlopen_pong(void) { return "pong"; } diff --git a/test/addons/dlopen-ping-pong/ping.c b/test/addons/dlopen-ping-pong/ping.c index bb0e6845d54466..c76f40580c4168 100644 --- a/test/addons/dlopen-ping-pong/ping.c +++ b/test/addons/dlopen-ping-pong/ping.c @@ -2,6 +2,7 @@ const char* dlopen_pong(void); +__attribute__((visibility("default"))) const char* dlopen_ping(void) { return dlopen_pong(); } diff --git a/test/addons/openssl-client-cert-engine/testengine.cc b/test/addons/openssl-client-cert-engine/testengine.cc index 078695a0566691..7ccb56e08015a7 100644 --- a/test/addons/openssl-client-cert-engine/testengine.cc +++ b/test/addons/openssl-client-cert-engine/testengine.cc @@ -19,6 +19,12 @@ #define AGENT_KEY "test/fixtures/keys/agent1-key.pem" #define AGENT_CERT "test/fixtures/keys/agent1-cert.pem" +#ifdef _WIN32 +# define DEFAULT_VISIBILITY __declspec(dllexport) +#else +# define DEFAULT_VISIBILITY __attribute__((visibility("default"))) +#endif + namespace { int EngineInit(ENGINE* engine) { @@ -93,8 +99,8 @@ int bind_fn(ENGINE* engine, const char* id) { } extern "C" { - IMPLEMENT_DYNAMIC_CHECK_FN(); - IMPLEMENT_DYNAMIC_BIND_FN(bind_fn); + DEFAULT_VISIBILITY IMPLEMENT_DYNAMIC_CHECK_FN(); + DEFAULT_VISIBILITY IMPLEMENT_DYNAMIC_BIND_FN(bind_fn); } } // anonymous namespace diff --git a/test/addons/openssl-key-engine/testkeyengine.cc b/test/addons/openssl-key-engine/testkeyengine.cc index 78a4fc49a63e83..e1dc22164ac4c1 100644 --- a/test/addons/openssl-key-engine/testkeyengine.cc +++ b/test/addons/openssl-key-engine/testkeyengine.cc @@ -18,6 +18,12 @@ #define PRIVATE_KEY "test/fixtures/keys/agent1-key.pem" +#ifdef _WIN32 +# define DEFAULT_VISIBILITY __declspec(dllexport) +#else +# define DEFAULT_VISIBILITY __attribute__((visibility("default"))) +#endif + namespace { int EngineInit(ENGINE* engine) { @@ -66,8 +72,8 @@ int bind_fn(ENGINE* engine, const char* id) { } extern "C" { - IMPLEMENT_DYNAMIC_CHECK_FN(); - IMPLEMENT_DYNAMIC_BIND_FN(bind_fn); + DEFAULT_VISIBILITY IMPLEMENT_DYNAMIC_CHECK_FN(); + DEFAULT_VISIBILITY IMPLEMENT_DYNAMIC_BIND_FN(bind_fn); } } // anonymous namespace From 36b79cdac61996b5e4a5d1d5d013051ad5eee545 Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Thu, 16 Jan 2020 22:12:07 +0100 Subject: [PATCH 064/224] fs: unset FileHandle fd after close - Do not set the fd as a property on the native object. - Use the already-existent `GetFD()` method to pass the fd from C++ to JS. - Cache the fd in JS to avoid repeated accesses to the C++ getter. - Set the fd to `-1` after close, thus reliably making subsequent calls using the `FileHandle` return `EBADF`. Fixes: https://github.com/nodejs/node/issues/31361 PR-URL: https://github.com/nodejs/node/pull/31389 Reviewed-By: Richard Lau Reviewed-By: Colin Ihrig Reviewed-By: Minwoo Jung Reviewed-By: David Carlier Reviewed-By: Rich Trott --- lib/internal/fs/promises.js | 5 +++- src/node_file.cc | 16 +++--------- src/node_file.h | 2 +- .../test-fs-filehandle-use-after-close.js | 25 +++++++++++++++++++ 4 files changed, 33 insertions(+), 15 deletions(-) create mode 100644 test/parallel/test-fs-filehandle-use-after-close.js diff --git a/lib/internal/fs/promises.js b/lib/internal/fs/promises.js index 9750c4f1453713..cc907c8c9eae68 100644 --- a/lib/internal/fs/promises.js +++ b/lib/internal/fs/promises.js @@ -52,6 +52,7 @@ const pathModule = require('path'); const { promisify } = require('internal/util'); const kHandle = Symbol('kHandle'); +const kFd = Symbol('kFd'); const { kUsePromises } = binding; const getDirectoryEntriesPromise = promisify(getDirents); @@ -59,6 +60,7 @@ const getDirectoryEntriesPromise = promisify(getDirents); class FileHandle { constructor(filehandle) { this[kHandle] = filehandle; + this[kFd] = filehandle.fd; } getAsyncId() { @@ -66,7 +68,7 @@ class FileHandle { } get fd() { - return this[kHandle].fd; + return this[kFd]; } appendFile(data, options) { @@ -122,6 +124,7 @@ class FileHandle { } close = () => { + this[kFd] = -1; return this[kHandle].close(); } } diff --git a/src/node_file.cc b/src/node_file.cc index 23af6abd1e510b..f59cbf1fbb6cdf 100644 --- a/src/node_file.cc +++ b/src/node_file.cc @@ -53,7 +53,6 @@ namespace fs { using v8::Array; using v8::Context; -using v8::DontDelete; using v8::EscapableHandleScope; using v8::Function; using v8::FunctionCallbackInfo; @@ -68,8 +67,6 @@ using v8::Number; using v8::Object; using v8::ObjectTemplate; using v8::Promise; -using v8::PropertyAttribute; -using v8::ReadOnly; using v8::String; using v8::Symbol; using v8::Uint32; @@ -138,15 +135,6 @@ FileHandle* FileHandle::New(Environment* env, int fd, Local obj) { .ToLocal(&obj)) { return nullptr; } - PropertyAttribute attr = - static_cast(ReadOnly | DontDelete); - if (obj->DefineOwnProperty(env->context(), - env->fd_string(), - Integer::New(env->isolate(), fd), - attr) - .IsNothing()) { - return nullptr; - } return new FileHandle(env, obj, fd); } @@ -190,12 +178,13 @@ inline void FileHandle::Close() { uv_fs_t req; int ret = uv_fs_close(env()->event_loop(), &req, fd_, nullptr); uv_fs_req_cleanup(&req); - AfterClose(); struct err_detail { int ret; int fd; }; err_detail detail { ret, fd_ }; + AfterClose(); + if (ret < 0) { // Do not unref this env()->SetImmediate([detail](Environment* env) { @@ -340,6 +329,7 @@ void FileHandle::ReleaseFD(const FunctionCallbackInfo& args) { void FileHandle::AfterClose() { closing_ = false; closed_ = true; + fd_ = -1; if (reading_ && !persistent().IsEmpty()) EmitRead(UV_EOF); } diff --git a/src/node_file.h b/src/node_file.h index 1042baaf8f736b..0574aa8f6c079d 100644 --- a/src/node_file.h +++ b/src/node_file.h @@ -205,7 +205,7 @@ class FileHandle final : public AsyncWrap, public StreamBase { static void New(const v8::FunctionCallbackInfo& args); - int fd() const { return fd_; } + int GetFD() override { return fd_; } // Will asynchronously close the FD and return a Promise that will // be resolved once closing is complete. diff --git a/test/parallel/test-fs-filehandle-use-after-close.js b/test/parallel/test-fs-filehandle-use-after-close.js new file mode 100644 index 00000000000000..7b99e41cd02284 --- /dev/null +++ b/test/parallel/test-fs-filehandle-use-after-close.js @@ -0,0 +1,25 @@ +'use strict'; +const common = require('../common'); +const assert = require('assert'); +const fs = require('fs').promises; + +(async () => { + const filehandle = await fs.open(__filename); + + assert.notStrictEqual(filehandle.fd, -1); + await filehandle.close(); + assert.strictEqual(filehandle.fd, -1); + + // Open another file handle first. This would typically receive the fd + // that `filehandle` previously used. In earlier versions of Node.js, the + // .stat() call would then succeed because it still used the original fd; + // See https://github.com/nodejs/node/issues/31361 for more details. + const otherFilehandle = await fs.open(process.execPath); + + assert.rejects(() => filehandle.stat(), { + code: 'EBADF', + syscall: 'fstat' + }); + + await otherFilehandle.close(); +})().then(common.mustCall()); From 3b4bf94483cf2e99d7197cb50ffcda4a54f72c45 Mon Sep 17 00:00:00 2001 From: Matheus Marchini Date: Thu, 16 Jan 2020 13:56:04 -0800 Subject: [PATCH 065/224] test: update postmortem test with v12 constants Ref: https://github.com/nodejs/llnode/pull/330 PR-URL: https://github.com/nodejs/node/pull/31391 Refs: https://github.com/nodejs/llnode/pull/330 Reviewed-By: Colin Ihrig Reviewed-By: Luigi Pinca Reviewed-By: Rich Trott --- test/v8-updates/test-postmortem-metadata.js | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/test/v8-updates/test-postmortem-metadata.js b/test/v8-updates/test-postmortem-metadata.js index 790d0dbb5c29b5..b7b830daf458d4 100644 --- a/test/v8-updates/test-postmortem-metadata.js +++ b/test/v8-updates/test-postmortem-metadata.js @@ -48,7 +48,8 @@ const missing = getExpectedSymbols().filter((symbol) => { return !symbols.includes(symbol); }); -assert.strictEqual(missing.length, 0, `Missing constants: ${missing}`); +assert.strictEqual(missing.length, 0, + `Missing constants: \n${missing.join('\n')}`); // This is only a function so that the long list of expected symbols can be // pushed to the bottom of the file for improved readability. @@ -58,6 +59,7 @@ function getExpectedSymbols() { // should only consist of postmortem constants, and some of them can be // relatively long. /* eslint-disable max-len */ + 'v8dbg_class_DescriptorArray__header_size__uintptr_t', 'v8dbg_bit_field3_is_dictionary_map_shift', 'v8dbg_bit_field3_number_of_own_descriptors_shift', 'v8dbg_class_Code__instruction_size__int', From 4b67bb14601c2d9a76d034c2336a242f51ee717b Mon Sep 17 00:00:00 2001 From: Gabriel Schulhof Date: Thu, 16 Jan 2020 11:27:51 -0800 Subject: [PATCH 066/224] src: reduce large pages code duplication MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Declaring and initializing a `struct text_region` is common to all three implementations of the large pages mapping code. Let's make it unconditional. PR-URL: https://github.com/nodejs/node/pull/31385 Reviewed-By: Ben Noordhuis Reviewed-By: Rich Trott Reviewed-By: Anna Henningsen Reviewed-By: Luigi Pinca Reviewed-By: Colin Ihrig Reviewed-By: Tobias Nießen Reviewed-By: Jiawen Geng Reviewed-By: David Carlier Reviewed-By: JungMinu - Minwoo Jung Reviewed-By: Richard Lau Reviewed-By: Gus Caplan --- src/large_pages/node_large_page.cc | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/src/large_pages/node_large_page.cc b/src/large_pages/node_large_page.cc index 5a4d302361ac19..f636c9f3142376 100644 --- a/src/large_pages/node_large_page.cc +++ b/src/large_pages/node_large_page.cc @@ -100,6 +100,8 @@ inline uintptr_t hugepage_align_down(uintptr_t addr) { // This is also handling the case where the first line is not the binary. static struct text_region FindNodeTextRegion() { + struct text_region nregion; + nregion.found_text_region = false; #if defined(__linux__) std::ifstream ifs; std::string map_line; @@ -107,9 +109,6 @@ static struct text_region FindNodeTextRegion() { std::string dev; char dash; uintptr_t start, end, offset, inode; - struct text_region nregion; - - nregion.found_text_region = false; ifs.open("/proc/self/maps"); if (!ifs) { @@ -161,9 +160,6 @@ static struct text_region FindNodeTextRegion() { ifs.close(); #elif defined(__FreeBSD__) - struct text_region nregion; - nregion.found_text_region = false; - std::string exename; { char selfexe[PATH_MAX]; @@ -220,8 +216,6 @@ static struct text_region FindNodeTextRegion() { start += cursz; } #elif defined(__APPLE__) - struct text_region nregion; - nregion.found_text_region = false; struct vm_region_submap_info_64 map; mach_msg_type_number_t count = VM_REGION_SUBMAP_INFO_COUNT_64; vm_address_t addr = 0UL; From b809a8c68d85bd26666363d8b7f28e34ec647e13 Mon Sep 17 00:00:00 2001 From: cjihrig Date: Thu, 16 Jan 2020 20:14:18 -0500 Subject: [PATCH 067/224] doc: fix several child_process doc typos PR-URL: https://github.com/nodejs/node/pull/31393 Reviewed-By: Anna Henningsen Reviewed-By: Luigi Pinca Reviewed-By: Rich Trott Reviewed-By: Anto Aravinth --- doc/api/child_process.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/doc/api/child_process.md b/doc/api/child_process.md index 8e2b9a45a19aee..cd47fec7982b3e 100644 --- a/doc/api/child_process.md +++ b/doc/api/child_process.md @@ -983,7 +983,7 @@ added: v0.1.90 The `'exit'` event is emitted after the child process ends. If the process exited, `code` is the final exit code of the process, otherwise `null`. If the process terminated due to receipt of a signal, `signal` is the string name of -the signal, otherwise `null`. One of the two will always be non-null. +the signal, otherwise `null`. One of the two will always be non-`null`. When the `'exit'` event is triggered, child process stdio streams might still be open. @@ -1059,8 +1059,8 @@ within the child process to close the IPC channel as well. * {integer} -The `subprocess.exitcode` property indicates the exit code of the child process. -If the child process is still running, the field will be null. +The `subprocess.exitCode` property indicates the exit code of the child process. +If the child process is still running, the field will be `null`. ### `subprocess.kill([signal])` %s\n",strtime(&tartime),fname); - break; - } - } - else - { - unsigned int bytes = (remaining > BLOCKSIZE) ? BLOCKSIZE : remaining; - - if (outfile != NULL) - { - if (fwrite(&buffer,sizeof(char),bytes,outfile) != bytes) - { - fprintf(stderr, - "%s: Error writing %s -- skipping\n",prog,fname); - fclose(outfile); - outfile = NULL; - remove(fname); - } - } - remaining -= bytes; - } - - if (remaining == 0) - { - getheader = 1; - if (outfile != NULL) - { - fclose(outfile); - outfile = NULL; - if (action != TGZ_INVALID) - push_attr(&attributes,fname,tarmode,tartime); - } - } - - /* - * Abandon if errors are found - */ - if (action == TGZ_INVALID) - { - error("broken archive"); - break; - } - } - - /* - * Restore file modes and time stamps - */ - restore_attr(&attributes); - - if (gzclose(in) != Z_OK) - error("failed gzclose"); - - return 0; -} - - -/* ============================================================ */ - -void help(int exitval) -{ - printf("untgz version 0.2.1\n" - " using zlib version %s\n\n", - zlibVersion()); - printf("Usage: untgz file.tgz extract all files\n" - " untgz file.tgz fname ... extract selected files\n" - " untgz -l file.tgz list archive contents\n" - " untgz -h display this help\n"); - exit(exitval); -} - -void error(const char *msg) -{ - fprintf(stderr, "%s: %s\n", prog, msg); - exit(1); -} - - -/* ============================================================ */ - -#if defined(WIN32) && defined(__GNUC__) -int _CRT_glob = 0; /* disable argument globbing in MinGW */ -#endif - -int main(int argc,char **argv) -{ - int action = TGZ_EXTRACT; - int arg = 1; - char *TGZfile; - gzFile *f; - - prog = strrchr(argv[0],'\\'); - if (prog == NULL) - { - prog = strrchr(argv[0],'/'); - if (prog == NULL) - { - prog = strrchr(argv[0],':'); - if (prog == NULL) - prog = argv[0]; - else - prog++; - } - else - prog++; - } - else - prog++; - - if (argc == 1) - help(0); - - if (strcmp(argv[arg],"-l") == 0) - { - action = TGZ_LIST; - if (argc == ++arg) - help(0); - } - else if (strcmp(argv[arg],"-h") == 0) - { - help(0); - } - - if ((TGZfile = TGZfname(argv[arg])) == NULL) - TGZnotfound(argv[arg]); - - ++arg; - if ((action == TGZ_LIST) && (arg != argc)) - help(1); - -/* - * Process the TGZ file - */ - switch(action) - { - case TGZ_LIST: - case TGZ_EXTRACT: - f = gzopen(TGZfile,"rb"); - if (f == NULL) - { - fprintf(stderr,"%s: Couldn't gzopen %s\n",prog,TGZfile); - return 1; - } - exit(tar(f, action, arg, argc, argv)); - break; - - default: - error("Unknown option"); - exit(1); - } - - return 0; -} diff --git a/deps/zlib/contrib/vstudio/readme.txt b/deps/zlib/contrib/vstudio/readme.txt deleted file mode 100644 index 48cccc0d2a2636..00000000000000 --- a/deps/zlib/contrib/vstudio/readme.txt +++ /dev/null @@ -1,78 +0,0 @@ -Building instructions for the DLL versions of Zlib 1.2.11 -======================================================== - -This directory contains projects that build zlib and minizip using -Microsoft Visual C++ 9.0/10.0. - -You don't need to build these projects yourself. You can download the -binaries from: - http://www.winimage.com/zLibDll - -More information can be found at this site. - - - - - -Build instructions for Visual Studio 2008 (32 bits or 64 bits) --------------------------------------------------------------- -- Decompress current zlib, including all contrib/* files -- Compile assembly code (with Visual Studio Command Prompt) by running: - bld_ml64.bat (in contrib\masmx64) - bld_ml32.bat (in contrib\masmx86) -- Open contrib\vstudio\vc9\zlibvc.sln with Microsoft Visual C++ 2008 -- Or run: vcbuild /rebuild contrib\vstudio\vc9\zlibvc.sln "Release|Win32" - -Build instructions for Visual Studio 2010 (32 bits or 64 bits) --------------------------------------------------------------- -- Decompress current zlib, including all contrib/* files -- Open contrib\vstudio\vc10\zlibvc.sln with Microsoft Visual C++ 2010 - -Build instructions for Visual Studio 2012 (32 bits or 64 bits) --------------------------------------------------------------- -- Decompress current zlib, including all contrib/* files -- Open contrib\vstudio\vc11\zlibvc.sln with Microsoft Visual C++ 2012 - -Build instructions for Visual Studio 2013 (32 bits or 64 bits) --------------------------------------------------------------- -- Decompress current zlib, including all contrib/* files -- Open contrib\vstudio\vc12\zlibvc.sln with Microsoft Visual C++ 2013 - -Build instructions for Visual Studio 2015 (32 bits or 64 bits) --------------------------------------------------------------- -- Decompress current zlib, including all contrib/* files -- Open contrib\vstudio\vc14\zlibvc.sln with Microsoft Visual C++ 2015 - - -Important ---------- -- To use zlibwapi.dll in your application, you must define the - macro ZLIB_WINAPI when compiling your application's source files. - - -Additional notes ----------------- -- This DLL, named zlibwapi.dll, is compatible to the old zlib.dll built - by Gilles Vollant from the zlib 1.1.x sources, and distributed at - http://www.winimage.com/zLibDll - It uses the WINAPI calling convention for the exported functions, and - includes the minizip functionality. If your application needs that - particular build of zlib.dll, you can rename zlibwapi.dll to zlib.dll. - -- The new DLL was renamed because there exist several incompatible - versions of zlib.dll on the Internet. - -- There is also an official DLL build of zlib, named zlib1.dll. This one - is exporting the functions using the CDECL convention. See the file - win32\DLL_FAQ.txt found in this zlib distribution. - -- There used to be a ZLIB_DLL macro in zlib 1.1.x, but now this symbol - has a slightly different effect. To avoid compatibility problems, do - not define it here. - - -Gilles Vollant -info@winimage.com - -Visual Studio 2013 and 2015 Projects from Sean Hunt -seandhunt_7@yahoo.com diff --git a/deps/zlib/contrib/vstudio/vc10/zlib.rc b/deps/zlib/contrib/vstudio/vc10/zlib.rc deleted file mode 100644 index c4e4b016e9c895..00000000000000 --- a/deps/zlib/contrib/vstudio/vc10/zlib.rc +++ /dev/null @@ -1,32 +0,0 @@ -#include - -#define IDR_VERSION1 1 -IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE - FILEVERSION 1, 2, 11, 0 - PRODUCTVERSION 1, 2, 11, 0 - FILEFLAGSMASK VS_FFI_FILEFLAGSMASK - FILEFLAGS 0 - FILEOS VOS_DOS_WINDOWS32 - FILETYPE VFT_DLL - FILESUBTYPE 0 // not used -BEGIN - BLOCK "StringFileInfo" - BEGIN - BLOCK "040904E4" - //language ID = U.S. English, char set = Windows, Multilingual - - BEGIN - VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0" - VALUE "FileVersion", "1.2.11\0" - VALUE "InternalName", "zlib\0" - VALUE "OriginalFilename", "zlibwapi.dll\0" - VALUE "ProductName", "ZLib.DLL\0" - VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" - VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0" - END - END - BLOCK "VarFileInfo" - BEGIN - VALUE "Translation", 0x0409, 1252 - END -END diff --git a/deps/zlib/contrib/vstudio/vc10/zlibvc.def b/deps/zlib/contrib/vstudio/vc10/zlibvc.def deleted file mode 100644 index f876c3bcab8917..00000000000000 --- a/deps/zlib/contrib/vstudio/vc10/zlibvc.def +++ /dev/null @@ -1,153 +0,0 @@ -LIBRARY -; zlib data compression and ZIP file I/O library - -VERSION 1.2 - -EXPORTS - adler32 @1 - compress @2 - crc32 @3 - deflate @4 - deflateCopy @5 - deflateEnd @6 - deflateInit2_ @7 - deflateInit_ @8 - deflateParams @9 - deflateReset @10 - deflateSetDictionary @11 - gzclose @12 - gzdopen @13 - gzerror @14 - gzflush @15 - gzopen @16 - gzread @17 - gzwrite @18 - inflate @19 - inflateEnd @20 - inflateInit2_ @21 - inflateInit_ @22 - inflateReset @23 - inflateSetDictionary @24 - inflateSync @25 - uncompress @26 - zlibVersion @27 - gzprintf @28 - gzputc @29 - gzgetc @30 - gzseek @31 - gzrewind @32 - gztell @33 - gzeof @34 - gzsetparams @35 - zError @36 - inflateSyncPoint @37 - get_crc_table @38 - compress2 @39 - gzputs @40 - gzgets @41 - inflateCopy @42 - inflateBackInit_ @43 - inflateBack @44 - inflateBackEnd @45 - compressBound @46 - deflateBound @47 - gzclearerr @48 - gzungetc @49 - zlibCompileFlags @50 - deflatePrime @51 - deflatePending @52 - - unzOpen @61 - unzClose @62 - unzGetGlobalInfo @63 - unzGetCurrentFileInfo @64 - unzGoToFirstFile @65 - unzGoToNextFile @66 - unzOpenCurrentFile @67 - unzReadCurrentFile @68 - unzOpenCurrentFile3 @69 - unztell @70 - unzeof @71 - unzCloseCurrentFile @72 - unzGetGlobalComment @73 - unzStringFileNameCompare @74 - unzLocateFile @75 - unzGetLocalExtrafield @76 - unzOpen2 @77 - unzOpenCurrentFile2 @78 - unzOpenCurrentFilePassword @79 - - zipOpen @80 - zipOpenNewFileInZip @81 - zipWriteInFileInZip @82 - zipCloseFileInZip @83 - zipClose @84 - zipOpenNewFileInZip2 @86 - zipCloseFileInZipRaw @87 - zipOpen2 @88 - zipOpenNewFileInZip3 @89 - - unzGetFilePos @100 - unzGoToFilePos @101 - - fill_win32_filefunc @110 - -; zlibwapi v1.2.4 added: - fill_win32_filefunc64 @111 - fill_win32_filefunc64A @112 - fill_win32_filefunc64W @113 - - unzOpen64 @120 - unzOpen2_64 @121 - unzGetGlobalInfo64 @122 - unzGetCurrentFileInfo64 @124 - unzGetCurrentFileZStreamPos64 @125 - unztell64 @126 - unzGetFilePos64 @127 - unzGoToFilePos64 @128 - - zipOpen64 @130 - zipOpen2_64 @131 - zipOpenNewFileInZip64 @132 - zipOpenNewFileInZip2_64 @133 - zipOpenNewFileInZip3_64 @134 - zipOpenNewFileInZip4_64 @135 - zipCloseFileInZipRaw64 @136 - -; zlib1 v1.2.4 added: - adler32_combine @140 - crc32_combine @142 - deflateSetHeader @144 - deflateTune @145 - gzbuffer @146 - gzclose_r @147 - gzclose_w @148 - gzdirect @149 - gzoffset @150 - inflateGetHeader @156 - inflateMark @157 - inflatePrime @158 - inflateReset2 @159 - inflateUndermine @160 - -; zlib1 v1.2.6 added: - gzgetc_ @161 - inflateResetKeep @163 - deflateResetKeep @164 - -; zlib1 v1.2.7 added: - gzopen_w @165 - -; zlib1 v1.2.8 added: - inflateGetDictionary @166 - gzvprintf @167 - -; zlib1 v1.2.9 added: - inflateCodesUsed @168 - inflateValidate @169 - uncompress2 @170 - gzfread @171 - gzfwrite @172 - deflateGetDictionary @173 - adler32_z @174 - crc32_z @175 diff --git a/deps/zlib/contrib/vstudio/vc11/zlib.rc b/deps/zlib/contrib/vstudio/vc11/zlib.rc deleted file mode 100644 index c4e4b016e9c895..00000000000000 --- a/deps/zlib/contrib/vstudio/vc11/zlib.rc +++ /dev/null @@ -1,32 +0,0 @@ -#include - -#define IDR_VERSION1 1 -IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE - FILEVERSION 1, 2, 11, 0 - PRODUCTVERSION 1, 2, 11, 0 - FILEFLAGSMASK VS_FFI_FILEFLAGSMASK - FILEFLAGS 0 - FILEOS VOS_DOS_WINDOWS32 - FILETYPE VFT_DLL - FILESUBTYPE 0 // not used -BEGIN - BLOCK "StringFileInfo" - BEGIN - BLOCK "040904E4" - //language ID = U.S. English, char set = Windows, Multilingual - - BEGIN - VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0" - VALUE "FileVersion", "1.2.11\0" - VALUE "InternalName", "zlib\0" - VALUE "OriginalFilename", "zlibwapi.dll\0" - VALUE "ProductName", "ZLib.DLL\0" - VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" - VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0" - END - END - BLOCK "VarFileInfo" - BEGIN - VALUE "Translation", 0x0409, 1252 - END -END diff --git a/deps/zlib/contrib/vstudio/vc11/zlibvc.def b/deps/zlib/contrib/vstudio/vc11/zlibvc.def deleted file mode 100644 index f876c3bcab8917..00000000000000 --- a/deps/zlib/contrib/vstudio/vc11/zlibvc.def +++ /dev/null @@ -1,153 +0,0 @@ -LIBRARY -; zlib data compression and ZIP file I/O library - -VERSION 1.2 - -EXPORTS - adler32 @1 - compress @2 - crc32 @3 - deflate @4 - deflateCopy @5 - deflateEnd @6 - deflateInit2_ @7 - deflateInit_ @8 - deflateParams @9 - deflateReset @10 - deflateSetDictionary @11 - gzclose @12 - gzdopen @13 - gzerror @14 - gzflush @15 - gzopen @16 - gzread @17 - gzwrite @18 - inflate @19 - inflateEnd @20 - inflateInit2_ @21 - inflateInit_ @22 - inflateReset @23 - inflateSetDictionary @24 - inflateSync @25 - uncompress @26 - zlibVersion @27 - gzprintf @28 - gzputc @29 - gzgetc @30 - gzseek @31 - gzrewind @32 - gztell @33 - gzeof @34 - gzsetparams @35 - zError @36 - inflateSyncPoint @37 - get_crc_table @38 - compress2 @39 - gzputs @40 - gzgets @41 - inflateCopy @42 - inflateBackInit_ @43 - inflateBack @44 - inflateBackEnd @45 - compressBound @46 - deflateBound @47 - gzclearerr @48 - gzungetc @49 - zlibCompileFlags @50 - deflatePrime @51 - deflatePending @52 - - unzOpen @61 - unzClose @62 - unzGetGlobalInfo @63 - unzGetCurrentFileInfo @64 - unzGoToFirstFile @65 - unzGoToNextFile @66 - unzOpenCurrentFile @67 - unzReadCurrentFile @68 - unzOpenCurrentFile3 @69 - unztell @70 - unzeof @71 - unzCloseCurrentFile @72 - unzGetGlobalComment @73 - unzStringFileNameCompare @74 - unzLocateFile @75 - unzGetLocalExtrafield @76 - unzOpen2 @77 - unzOpenCurrentFile2 @78 - unzOpenCurrentFilePassword @79 - - zipOpen @80 - zipOpenNewFileInZip @81 - zipWriteInFileInZip @82 - zipCloseFileInZip @83 - zipClose @84 - zipOpenNewFileInZip2 @86 - zipCloseFileInZipRaw @87 - zipOpen2 @88 - zipOpenNewFileInZip3 @89 - - unzGetFilePos @100 - unzGoToFilePos @101 - - fill_win32_filefunc @110 - -; zlibwapi v1.2.4 added: - fill_win32_filefunc64 @111 - fill_win32_filefunc64A @112 - fill_win32_filefunc64W @113 - - unzOpen64 @120 - unzOpen2_64 @121 - unzGetGlobalInfo64 @122 - unzGetCurrentFileInfo64 @124 - unzGetCurrentFileZStreamPos64 @125 - unztell64 @126 - unzGetFilePos64 @127 - unzGoToFilePos64 @128 - - zipOpen64 @130 - zipOpen2_64 @131 - zipOpenNewFileInZip64 @132 - zipOpenNewFileInZip2_64 @133 - zipOpenNewFileInZip3_64 @134 - zipOpenNewFileInZip4_64 @135 - zipCloseFileInZipRaw64 @136 - -; zlib1 v1.2.4 added: - adler32_combine @140 - crc32_combine @142 - deflateSetHeader @144 - deflateTune @145 - gzbuffer @146 - gzclose_r @147 - gzclose_w @148 - gzdirect @149 - gzoffset @150 - inflateGetHeader @156 - inflateMark @157 - inflatePrime @158 - inflateReset2 @159 - inflateUndermine @160 - -; zlib1 v1.2.6 added: - gzgetc_ @161 - inflateResetKeep @163 - deflateResetKeep @164 - -; zlib1 v1.2.7 added: - gzopen_w @165 - -; zlib1 v1.2.8 added: - inflateGetDictionary @166 - gzvprintf @167 - -; zlib1 v1.2.9 added: - inflateCodesUsed @168 - inflateValidate @169 - uncompress2 @170 - gzfread @171 - gzfwrite @172 - deflateGetDictionary @173 - adler32_z @174 - crc32_z @175 diff --git a/deps/zlib/contrib/vstudio/vc12/zlib.rc b/deps/zlib/contrib/vstudio/vc12/zlib.rc deleted file mode 100644 index c4e4b016e9c895..00000000000000 --- a/deps/zlib/contrib/vstudio/vc12/zlib.rc +++ /dev/null @@ -1,32 +0,0 @@ -#include - -#define IDR_VERSION1 1 -IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE - FILEVERSION 1, 2, 11, 0 - PRODUCTVERSION 1, 2, 11, 0 - FILEFLAGSMASK VS_FFI_FILEFLAGSMASK - FILEFLAGS 0 - FILEOS VOS_DOS_WINDOWS32 - FILETYPE VFT_DLL - FILESUBTYPE 0 // not used -BEGIN - BLOCK "StringFileInfo" - BEGIN - BLOCK "040904E4" - //language ID = U.S. English, char set = Windows, Multilingual - - BEGIN - VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0" - VALUE "FileVersion", "1.2.11\0" - VALUE "InternalName", "zlib\0" - VALUE "OriginalFilename", "zlibwapi.dll\0" - VALUE "ProductName", "ZLib.DLL\0" - VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" - VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0" - END - END - BLOCK "VarFileInfo" - BEGIN - VALUE "Translation", 0x0409, 1252 - END -END diff --git a/deps/zlib/contrib/vstudio/vc12/zlibvc.def b/deps/zlib/contrib/vstudio/vc12/zlibvc.def deleted file mode 100644 index f876c3bcab8917..00000000000000 --- a/deps/zlib/contrib/vstudio/vc12/zlibvc.def +++ /dev/null @@ -1,153 +0,0 @@ -LIBRARY -; zlib data compression and ZIP file I/O library - -VERSION 1.2 - -EXPORTS - adler32 @1 - compress @2 - crc32 @3 - deflate @4 - deflateCopy @5 - deflateEnd @6 - deflateInit2_ @7 - deflateInit_ @8 - deflateParams @9 - deflateReset @10 - deflateSetDictionary @11 - gzclose @12 - gzdopen @13 - gzerror @14 - gzflush @15 - gzopen @16 - gzread @17 - gzwrite @18 - inflate @19 - inflateEnd @20 - inflateInit2_ @21 - inflateInit_ @22 - inflateReset @23 - inflateSetDictionary @24 - inflateSync @25 - uncompress @26 - zlibVersion @27 - gzprintf @28 - gzputc @29 - gzgetc @30 - gzseek @31 - gzrewind @32 - gztell @33 - gzeof @34 - gzsetparams @35 - zError @36 - inflateSyncPoint @37 - get_crc_table @38 - compress2 @39 - gzputs @40 - gzgets @41 - inflateCopy @42 - inflateBackInit_ @43 - inflateBack @44 - inflateBackEnd @45 - compressBound @46 - deflateBound @47 - gzclearerr @48 - gzungetc @49 - zlibCompileFlags @50 - deflatePrime @51 - deflatePending @52 - - unzOpen @61 - unzClose @62 - unzGetGlobalInfo @63 - unzGetCurrentFileInfo @64 - unzGoToFirstFile @65 - unzGoToNextFile @66 - unzOpenCurrentFile @67 - unzReadCurrentFile @68 - unzOpenCurrentFile3 @69 - unztell @70 - unzeof @71 - unzCloseCurrentFile @72 - unzGetGlobalComment @73 - unzStringFileNameCompare @74 - unzLocateFile @75 - unzGetLocalExtrafield @76 - unzOpen2 @77 - unzOpenCurrentFile2 @78 - unzOpenCurrentFilePassword @79 - - zipOpen @80 - zipOpenNewFileInZip @81 - zipWriteInFileInZip @82 - zipCloseFileInZip @83 - zipClose @84 - zipOpenNewFileInZip2 @86 - zipCloseFileInZipRaw @87 - zipOpen2 @88 - zipOpenNewFileInZip3 @89 - - unzGetFilePos @100 - unzGoToFilePos @101 - - fill_win32_filefunc @110 - -; zlibwapi v1.2.4 added: - fill_win32_filefunc64 @111 - fill_win32_filefunc64A @112 - fill_win32_filefunc64W @113 - - unzOpen64 @120 - unzOpen2_64 @121 - unzGetGlobalInfo64 @122 - unzGetCurrentFileInfo64 @124 - unzGetCurrentFileZStreamPos64 @125 - unztell64 @126 - unzGetFilePos64 @127 - unzGoToFilePos64 @128 - - zipOpen64 @130 - zipOpen2_64 @131 - zipOpenNewFileInZip64 @132 - zipOpenNewFileInZip2_64 @133 - zipOpenNewFileInZip3_64 @134 - zipOpenNewFileInZip4_64 @135 - zipCloseFileInZipRaw64 @136 - -; zlib1 v1.2.4 added: - adler32_combine @140 - crc32_combine @142 - deflateSetHeader @144 - deflateTune @145 - gzbuffer @146 - gzclose_r @147 - gzclose_w @148 - gzdirect @149 - gzoffset @150 - inflateGetHeader @156 - inflateMark @157 - inflatePrime @158 - inflateReset2 @159 - inflateUndermine @160 - -; zlib1 v1.2.6 added: - gzgetc_ @161 - inflateResetKeep @163 - deflateResetKeep @164 - -; zlib1 v1.2.7 added: - gzopen_w @165 - -; zlib1 v1.2.8 added: - inflateGetDictionary @166 - gzvprintf @167 - -; zlib1 v1.2.9 added: - inflateCodesUsed @168 - inflateValidate @169 - uncompress2 @170 - gzfread @171 - gzfwrite @172 - deflateGetDictionary @173 - adler32_z @174 - crc32_z @175 diff --git a/deps/zlib/contrib/vstudio/vc14/zlib.rc b/deps/zlib/contrib/vstudio/vc14/zlib.rc deleted file mode 100644 index c4e4b016e9c895..00000000000000 --- a/deps/zlib/contrib/vstudio/vc14/zlib.rc +++ /dev/null @@ -1,32 +0,0 @@ -#include - -#define IDR_VERSION1 1 -IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE - FILEVERSION 1, 2, 11, 0 - PRODUCTVERSION 1, 2, 11, 0 - FILEFLAGSMASK VS_FFI_FILEFLAGSMASK - FILEFLAGS 0 - FILEOS VOS_DOS_WINDOWS32 - FILETYPE VFT_DLL - FILESUBTYPE 0 // not used -BEGIN - BLOCK "StringFileInfo" - BEGIN - BLOCK "040904E4" - //language ID = U.S. English, char set = Windows, Multilingual - - BEGIN - VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0" - VALUE "FileVersion", "1.2.11\0" - VALUE "InternalName", "zlib\0" - VALUE "OriginalFilename", "zlibwapi.dll\0" - VALUE "ProductName", "ZLib.DLL\0" - VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" - VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0" - END - END - BLOCK "VarFileInfo" - BEGIN - VALUE "Translation", 0x0409, 1252 - END -END diff --git a/deps/zlib/contrib/vstudio/vc14/zlibvc.def b/deps/zlib/contrib/vstudio/vc14/zlibvc.def deleted file mode 100644 index f876c3bcab8917..00000000000000 --- a/deps/zlib/contrib/vstudio/vc14/zlibvc.def +++ /dev/null @@ -1,153 +0,0 @@ -LIBRARY -; zlib data compression and ZIP file I/O library - -VERSION 1.2 - -EXPORTS - adler32 @1 - compress @2 - crc32 @3 - deflate @4 - deflateCopy @5 - deflateEnd @6 - deflateInit2_ @7 - deflateInit_ @8 - deflateParams @9 - deflateReset @10 - deflateSetDictionary @11 - gzclose @12 - gzdopen @13 - gzerror @14 - gzflush @15 - gzopen @16 - gzread @17 - gzwrite @18 - inflate @19 - inflateEnd @20 - inflateInit2_ @21 - inflateInit_ @22 - inflateReset @23 - inflateSetDictionary @24 - inflateSync @25 - uncompress @26 - zlibVersion @27 - gzprintf @28 - gzputc @29 - gzgetc @30 - gzseek @31 - gzrewind @32 - gztell @33 - gzeof @34 - gzsetparams @35 - zError @36 - inflateSyncPoint @37 - get_crc_table @38 - compress2 @39 - gzputs @40 - gzgets @41 - inflateCopy @42 - inflateBackInit_ @43 - inflateBack @44 - inflateBackEnd @45 - compressBound @46 - deflateBound @47 - gzclearerr @48 - gzungetc @49 - zlibCompileFlags @50 - deflatePrime @51 - deflatePending @52 - - unzOpen @61 - unzClose @62 - unzGetGlobalInfo @63 - unzGetCurrentFileInfo @64 - unzGoToFirstFile @65 - unzGoToNextFile @66 - unzOpenCurrentFile @67 - unzReadCurrentFile @68 - unzOpenCurrentFile3 @69 - unztell @70 - unzeof @71 - unzCloseCurrentFile @72 - unzGetGlobalComment @73 - unzStringFileNameCompare @74 - unzLocateFile @75 - unzGetLocalExtrafield @76 - unzOpen2 @77 - unzOpenCurrentFile2 @78 - unzOpenCurrentFilePassword @79 - - zipOpen @80 - zipOpenNewFileInZip @81 - zipWriteInFileInZip @82 - zipCloseFileInZip @83 - zipClose @84 - zipOpenNewFileInZip2 @86 - zipCloseFileInZipRaw @87 - zipOpen2 @88 - zipOpenNewFileInZip3 @89 - - unzGetFilePos @100 - unzGoToFilePos @101 - - fill_win32_filefunc @110 - -; zlibwapi v1.2.4 added: - fill_win32_filefunc64 @111 - fill_win32_filefunc64A @112 - fill_win32_filefunc64W @113 - - unzOpen64 @120 - unzOpen2_64 @121 - unzGetGlobalInfo64 @122 - unzGetCurrentFileInfo64 @124 - unzGetCurrentFileZStreamPos64 @125 - unztell64 @126 - unzGetFilePos64 @127 - unzGoToFilePos64 @128 - - zipOpen64 @130 - zipOpen2_64 @131 - zipOpenNewFileInZip64 @132 - zipOpenNewFileInZip2_64 @133 - zipOpenNewFileInZip3_64 @134 - zipOpenNewFileInZip4_64 @135 - zipCloseFileInZipRaw64 @136 - -; zlib1 v1.2.4 added: - adler32_combine @140 - crc32_combine @142 - deflateSetHeader @144 - deflateTune @145 - gzbuffer @146 - gzclose_r @147 - gzclose_w @148 - gzdirect @149 - gzoffset @150 - inflateGetHeader @156 - inflateMark @157 - inflatePrime @158 - inflateReset2 @159 - inflateUndermine @160 - -; zlib1 v1.2.6 added: - gzgetc_ @161 - inflateResetKeep @163 - deflateResetKeep @164 - -; zlib1 v1.2.7 added: - gzopen_w @165 - -; zlib1 v1.2.8 added: - inflateGetDictionary @166 - gzvprintf @167 - -; zlib1 v1.2.9 added: - inflateCodesUsed @168 - inflateValidate @169 - uncompress2 @170 - gzfread @171 - gzfwrite @172 - deflateGetDictionary @173 - adler32_z @174 - crc32_z @175 diff --git a/deps/zlib/contrib/vstudio/vc9/zlib.rc b/deps/zlib/contrib/vstudio/vc9/zlib.rc deleted file mode 100644 index c4e4b016e9c895..00000000000000 --- a/deps/zlib/contrib/vstudio/vc9/zlib.rc +++ /dev/null @@ -1,32 +0,0 @@ -#include - -#define IDR_VERSION1 1 -IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE - FILEVERSION 1, 2, 11, 0 - PRODUCTVERSION 1, 2, 11, 0 - FILEFLAGSMASK VS_FFI_FILEFLAGSMASK - FILEFLAGS 0 - FILEOS VOS_DOS_WINDOWS32 - FILETYPE VFT_DLL - FILESUBTYPE 0 // not used -BEGIN - BLOCK "StringFileInfo" - BEGIN - BLOCK "040904E4" - //language ID = U.S. English, char set = Windows, Multilingual - - BEGIN - VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0" - VALUE "FileVersion", "1.2.11\0" - VALUE "InternalName", "zlib\0" - VALUE "OriginalFilename", "zlibwapi.dll\0" - VALUE "ProductName", "ZLib.DLL\0" - VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" - VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0" - END - END - BLOCK "VarFileInfo" - BEGIN - VALUE "Translation", 0x0409, 1252 - END -END diff --git a/deps/zlib/contrib/vstudio/vc9/zlibvc.def b/deps/zlib/contrib/vstudio/vc9/zlibvc.def deleted file mode 100644 index f876c3bcab8917..00000000000000 --- a/deps/zlib/contrib/vstudio/vc9/zlibvc.def +++ /dev/null @@ -1,153 +0,0 @@ -LIBRARY -; zlib data compression and ZIP file I/O library - -VERSION 1.2 - -EXPORTS - adler32 @1 - compress @2 - crc32 @3 - deflate @4 - deflateCopy @5 - deflateEnd @6 - deflateInit2_ @7 - deflateInit_ @8 - deflateParams @9 - deflateReset @10 - deflateSetDictionary @11 - gzclose @12 - gzdopen @13 - gzerror @14 - gzflush @15 - gzopen @16 - gzread @17 - gzwrite @18 - inflate @19 - inflateEnd @20 - inflateInit2_ @21 - inflateInit_ @22 - inflateReset @23 - inflateSetDictionary @24 - inflateSync @25 - uncompress @26 - zlibVersion @27 - gzprintf @28 - gzputc @29 - gzgetc @30 - gzseek @31 - gzrewind @32 - gztell @33 - gzeof @34 - gzsetparams @35 - zError @36 - inflateSyncPoint @37 - get_crc_table @38 - compress2 @39 - gzputs @40 - gzgets @41 - inflateCopy @42 - inflateBackInit_ @43 - inflateBack @44 - inflateBackEnd @45 - compressBound @46 - deflateBound @47 - gzclearerr @48 - gzungetc @49 - zlibCompileFlags @50 - deflatePrime @51 - deflatePending @52 - - unzOpen @61 - unzClose @62 - unzGetGlobalInfo @63 - unzGetCurrentFileInfo @64 - unzGoToFirstFile @65 - unzGoToNextFile @66 - unzOpenCurrentFile @67 - unzReadCurrentFile @68 - unzOpenCurrentFile3 @69 - unztell @70 - unzeof @71 - unzCloseCurrentFile @72 - unzGetGlobalComment @73 - unzStringFileNameCompare @74 - unzLocateFile @75 - unzGetLocalExtrafield @76 - unzOpen2 @77 - unzOpenCurrentFile2 @78 - unzOpenCurrentFilePassword @79 - - zipOpen @80 - zipOpenNewFileInZip @81 - zipWriteInFileInZip @82 - zipCloseFileInZip @83 - zipClose @84 - zipOpenNewFileInZip2 @86 - zipCloseFileInZipRaw @87 - zipOpen2 @88 - zipOpenNewFileInZip3 @89 - - unzGetFilePos @100 - unzGoToFilePos @101 - - fill_win32_filefunc @110 - -; zlibwapi v1.2.4 added: - fill_win32_filefunc64 @111 - fill_win32_filefunc64A @112 - fill_win32_filefunc64W @113 - - unzOpen64 @120 - unzOpen2_64 @121 - unzGetGlobalInfo64 @122 - unzGetCurrentFileInfo64 @124 - unzGetCurrentFileZStreamPos64 @125 - unztell64 @126 - unzGetFilePos64 @127 - unzGoToFilePos64 @128 - - zipOpen64 @130 - zipOpen2_64 @131 - zipOpenNewFileInZip64 @132 - zipOpenNewFileInZip2_64 @133 - zipOpenNewFileInZip3_64 @134 - zipOpenNewFileInZip4_64 @135 - zipCloseFileInZipRaw64 @136 - -; zlib1 v1.2.4 added: - adler32_combine @140 - crc32_combine @142 - deflateSetHeader @144 - deflateTune @145 - gzbuffer @146 - gzclose_r @147 - gzclose_w @148 - gzdirect @149 - gzoffset @150 - inflateGetHeader @156 - inflateMark @157 - inflatePrime @158 - inflateReset2 @159 - inflateUndermine @160 - -; zlib1 v1.2.6 added: - gzgetc_ @161 - inflateResetKeep @163 - deflateResetKeep @164 - -; zlib1 v1.2.7 added: - gzopen_w @165 - -; zlib1 v1.2.8 added: - inflateGetDictionary @166 - gzvprintf @167 - -; zlib1 v1.2.9 added: - inflateCodesUsed @168 - inflateValidate @169 - uncompress2 @170 - gzfread @171 - gzfwrite @172 - deflateGetDictionary @173 - adler32_z @174 - crc32_z @175 diff --git a/deps/zlib/crc32.c b/deps/zlib/crc32.c index 9580440c0e6b67..e95b9087351c1a 100644 --- a/deps/zlib/crc32.c +++ b/deps/zlib/crc32.c @@ -28,8 +28,17 @@ # endif /* !DYNAMIC_CRC_TABLE */ #endif /* MAKECRCH */ +#include "deflate.h" +#include "x86.h" #include "zutil.h" /* for STDC and FAR definitions */ +#if defined(CRC32_SIMD_SSE42_PCLMUL) +#include "crc32_simd.h" +#elif defined(CRC32_ARMV8_CRC32) +#include "arm_features.h" +#include "crc32_simd.h" +#endif + /* Definitions for doing the crc four data bytes at a time. */ #if !defined(NOBYFOUR) && defined(Z_U4) # define BYFOUR @@ -204,7 +213,39 @@ unsigned long ZEXPORT crc32_z(crc, buf, len) const unsigned char FAR *buf; z_size_t len; { - if (buf == Z_NULL) return 0UL; + /* + * zlib convention is to call crc32(0, NULL, 0); before making + * calls to crc32(). So this is a good, early (and infrequent) + * place to cache CPU features if needed for those later, more + * interesting crc32() calls. + */ +#if defined(CRC32_SIMD_SSE42_PCLMUL) + /* + * Use x86 sse4.2+pclmul SIMD to compute the crc32. Since this + * routine can be freely used, check CPU features here. + */ + if (buf == Z_NULL) { + if (!len) /* Assume user is calling crc32(0, NULL, 0); */ + x86_check_features(); + return 0UL; + } + + if (x86_cpu_enable_simd && len >= Z_CRC32_SSE42_MINIMUM_LENGTH) { + /* crc32 16-byte chunks */ + z_size_t chunk_size = len & ~Z_CRC32_SSE42_CHUNKSIZE_MASK; + crc = ~crc32_sse42_simd_(buf, chunk_size, ~(uint32_t)crc); + /* check remaining data */ + len -= chunk_size; + if (!len) + return crc; + /* Fall into the default crc32 for the remaining data. */ + buf += chunk_size; + } +#else + if (buf == Z_NULL) { + return 0UL; + } +#endif /* CRC32_SIMD_SSE42_PCLMUL */ #ifdef DYNAMIC_CRC_TABLE if (crc_table_empty) @@ -239,6 +280,22 @@ unsigned long ZEXPORT crc32(crc, buf, len) const unsigned char FAR *buf; uInt len; { +#if defined(CRC32_ARMV8_CRC32) + /* We got to verify ARM CPU features, so exploit the common usage pattern + * of calling this function with Z_NULL for an initial valid crc value. + * This allows to cache the result of the feature check and avoid extraneous + * function calls. + * TODO: try to move this to crc32_z if we don't loose performance on ARM. + */ + if (buf == Z_NULL) { + if (!len) /* Assume user is calling crc32(0, NULL, 0); */ + arm_check_features(); + return 0UL; + } + + if (arm_cpu_enable_crc32) + return armv8_crc32_little(crc, buf, len); +#endif return crc32_z(crc, buf, len); } @@ -440,3 +497,28 @@ uLong ZEXPORT crc32_combine64(crc1, crc2, len2) { return crc32_combine_(crc1, crc2, len2); } + +ZLIB_INTERNAL void crc_reset(deflate_state *const s) +{ + if (x86_cpu_enable_simd) { + crc_fold_init(s); + return; + } + s->strm->adler = crc32(0L, Z_NULL, 0); +} + +ZLIB_INTERNAL void crc_finalize(deflate_state *const s) +{ + if (x86_cpu_enable_simd) + s->strm->adler = crc_fold_512to32(s); +} + +ZLIB_INTERNAL void copy_with_crc(z_streamp strm, Bytef *dst, long size) +{ + if (x86_cpu_enable_simd) { + crc_fold_copy(strm->state, dst, strm->next_in, size); + return; + } + zmemcpy(dst, strm->next_in, size); + strm->adler = crc32(strm->adler, dst, size); +} diff --git a/deps/zlib/crc32_simd.c b/deps/zlib/crc32_simd.c new file mode 100644 index 00000000000000..c8e5592f38ef1e --- /dev/null +++ b/deps/zlib/crc32_simd.c @@ -0,0 +1,243 @@ +/* crc32_simd.c + * + * Copyright 2017 The Chromium Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the Chromium source repository LICENSE file. + */ + +#include "crc32_simd.h" + +#if defined(CRC32_SIMD_SSE42_PCLMUL) + +/* + * crc32_sse42_simd_(): compute the crc32 of the buffer, where the buffer + * length must be at least 64, and a multiple of 16. Based on: + * + * "Fast CRC Computation for Generic Polynomials Using PCLMULQDQ Instruction" + * V. Gopal, E. Ozturk, et al., 2009, http://intel.ly/2ySEwL0 + */ + +#include +#include +#include + +uint32_t ZLIB_INTERNAL crc32_sse42_simd_( /* SSE4.2+PCLMUL */ + const unsigned char *buf, + z_size_t len, + uint32_t crc) +{ + /* + * Definitions of the bit-reflected domain constants k1,k2,k3, etc and + * the CRC32+Barrett polynomials given at the end of the paper. + */ + static const uint64_t zalign(16) k1k2[] = { 0x0154442bd4, 0x01c6e41596 }; + static const uint64_t zalign(16) k3k4[] = { 0x01751997d0, 0x00ccaa009e }; + static const uint64_t zalign(16) k5k0[] = { 0x0163cd6124, 0x0000000000 }; + static const uint64_t zalign(16) poly[] = { 0x01db710641, 0x01f7011641 }; + + __m128i x0, x1, x2, x3, x4, x5, x6, x7, x8, y5, y6, y7, y8; + + /* + * There's at least one block of 64. + */ + x1 = _mm_loadu_si128((__m128i *)(buf + 0x00)); + x2 = _mm_loadu_si128((__m128i *)(buf + 0x10)); + x3 = _mm_loadu_si128((__m128i *)(buf + 0x20)); + x4 = _mm_loadu_si128((__m128i *)(buf + 0x30)); + + x1 = _mm_xor_si128(x1, _mm_cvtsi32_si128(crc)); + + x0 = _mm_load_si128((__m128i *)k1k2); + + buf += 64; + len -= 64; + + /* + * Parallel fold blocks of 64, if any. + */ + while (len >= 64) + { + x5 = _mm_clmulepi64_si128(x1, x0, 0x00); + x6 = _mm_clmulepi64_si128(x2, x0, 0x00); + x7 = _mm_clmulepi64_si128(x3, x0, 0x00); + x8 = _mm_clmulepi64_si128(x4, x0, 0x00); + + x1 = _mm_clmulepi64_si128(x1, x0, 0x11); + x2 = _mm_clmulepi64_si128(x2, x0, 0x11); + x3 = _mm_clmulepi64_si128(x3, x0, 0x11); + x4 = _mm_clmulepi64_si128(x4, x0, 0x11); + + y5 = _mm_loadu_si128((__m128i *)(buf + 0x00)); + y6 = _mm_loadu_si128((__m128i *)(buf + 0x10)); + y7 = _mm_loadu_si128((__m128i *)(buf + 0x20)); + y8 = _mm_loadu_si128((__m128i *)(buf + 0x30)); + + x1 = _mm_xor_si128(x1, x5); + x2 = _mm_xor_si128(x2, x6); + x3 = _mm_xor_si128(x3, x7); + x4 = _mm_xor_si128(x4, x8); + + x1 = _mm_xor_si128(x1, y5); + x2 = _mm_xor_si128(x2, y6); + x3 = _mm_xor_si128(x3, y7); + x4 = _mm_xor_si128(x4, y8); + + buf += 64; + len -= 64; + } + + /* + * Fold into 128-bits. + */ + x0 = _mm_load_si128((__m128i *)k3k4); + + x5 = _mm_clmulepi64_si128(x1, x0, 0x00); + x1 = _mm_clmulepi64_si128(x1, x0, 0x11); + x1 = _mm_xor_si128(x1, x2); + x1 = _mm_xor_si128(x1, x5); + + x5 = _mm_clmulepi64_si128(x1, x0, 0x00); + x1 = _mm_clmulepi64_si128(x1, x0, 0x11); + x1 = _mm_xor_si128(x1, x3); + x1 = _mm_xor_si128(x1, x5); + + x5 = _mm_clmulepi64_si128(x1, x0, 0x00); + x1 = _mm_clmulepi64_si128(x1, x0, 0x11); + x1 = _mm_xor_si128(x1, x4); + x1 = _mm_xor_si128(x1, x5); + + /* + * Single fold blocks of 16, if any. + */ + while (len >= 16) + { + x2 = _mm_loadu_si128((__m128i *)buf); + + x5 = _mm_clmulepi64_si128(x1, x0, 0x00); + x1 = _mm_clmulepi64_si128(x1, x0, 0x11); + x1 = _mm_xor_si128(x1, x2); + x1 = _mm_xor_si128(x1, x5); + + buf += 16; + len -= 16; + } + + /* + * Fold 128-bits to 64-bits. + */ + x2 = _mm_clmulepi64_si128(x1, x0, 0x10); + x3 = _mm_setr_epi32(~0, 0, ~0, 0); + x1 = _mm_srli_si128(x1, 8); + x1 = _mm_xor_si128(x1, x2); + + x0 = _mm_loadl_epi64((__m128i*)k5k0); + + x2 = _mm_srli_si128(x1, 4); + x1 = _mm_and_si128(x1, x3); + x1 = _mm_clmulepi64_si128(x1, x0, 0x00); + x1 = _mm_xor_si128(x1, x2); + + /* + * Barret reduce to 32-bits. + */ + x0 = _mm_load_si128((__m128i*)poly); + + x2 = _mm_and_si128(x1, x3); + x2 = _mm_clmulepi64_si128(x2, x0, 0x10); + x2 = _mm_and_si128(x2, x3); + x2 = _mm_clmulepi64_si128(x2, x0, 0x00); + x1 = _mm_xor_si128(x1, x2); + + /* + * Return the crc32. + */ + return _mm_extract_epi32(x1, 1); +} + +#elif defined(CRC32_ARMV8_CRC32) + +/* CRC32 checksums using ARMv8-a crypto instructions. + * + * TODO: implement a version using the PMULL instruction. + */ + +#if defined(__clang__) +/* CRC32 intrinsics are #ifdef'ed out of arm_acle.h unless we build with an + * armv8 target, which is incompatible with ThinLTO optimizations on Android. + * (Namely, mixing and matching different module-level targets makes ThinLTO + * warn, and Android defaults to armv7-a. This restriction does not apply to + * function-level `target`s, however.) + * + * Since we only need four crc intrinsics, and since clang's implementation of + * those are just wrappers around compiler builtins, it's simplest to #define + * those builtins directly. If this #define list grows too much (or we depend on + * an intrinsic that isn't a trivial wrapper), we may have to find a better way + * to go about this. + * + * NOTE: clang currently complains that "'+soft-float-abi' is not a recognized + * feature for this target (ignoring feature)." This appears to be a harmless + * bug in clang. + */ +#define __crc32b __builtin_arm_crc32b +#define __crc32d __builtin_arm_crc32d +#define __crc32w __builtin_arm_crc32w +#define __crc32cw __builtin_arm_crc32cw + +#if defined(__aarch64__) +#define TARGET_ARMV8_WITH_CRC __attribute__((target("crc"))) +#else // !defined(__aarch64__) +#define TARGET_ARMV8_WITH_CRC __attribute__((target("armv8-a,crc"))) +#endif // defined(__aarch64__) + +#elif defined(__GNUC__) +/* For GCC, we are setting CRC extensions at module level, so ThinLTO is not + * allowed. We can just include arm_acle.h. + */ +#include +#define TARGET_ARMV8_WITH_CRC +#else // !defined(__GNUC__) && !defined(_aarch64__) +#error ARM CRC32 SIMD extensions only supported for Clang and GCC +#endif + +TARGET_ARMV8_WITH_CRC +uint32_t ZLIB_INTERNAL armv8_crc32_little(unsigned long crc, + const unsigned char *buf, + z_size_t len) +{ + uint32_t c = (uint32_t) ~crc; + + while (len && ((uintptr_t)buf & 7)) { + c = __crc32b(c, *buf++); + --len; + } + + const uint64_t *buf8 = (const uint64_t *)buf; + + while (len >= 64) { + c = __crc32d(c, *buf8++); + c = __crc32d(c, *buf8++); + c = __crc32d(c, *buf8++); + c = __crc32d(c, *buf8++); + + c = __crc32d(c, *buf8++); + c = __crc32d(c, *buf8++); + c = __crc32d(c, *buf8++); + c = __crc32d(c, *buf8++); + len -= 64; + } + + while (len >= 8) { + c = __crc32d(c, *buf8++); + len -= 8; + } + + buf = (const unsigned char *)buf8; + + while (len--) { + c = __crc32b(c, *buf++); + } + + return ~c; +} + +#endif diff --git a/deps/zlib/crc32_simd.h b/deps/zlib/crc32_simd.h new file mode 100644 index 00000000000000..68bc235cbe1682 --- /dev/null +++ b/deps/zlib/crc32_simd.h @@ -0,0 +1,36 @@ +/* crc32_simd.h + * + * Copyright 2017 The Chromium Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the Chromium source repository LICENSE file. + */ + +#include + +#include "zconf.h" +#include "zutil.h" +#include "deflate.h" + +/* + * crc32_sse42_simd_(): compute the crc32 of the buffer, where the buffer + * length must be at least 64, and a multiple of 16. + */ +uint32_t ZLIB_INTERNAL crc32_sse42_simd_( + const unsigned char *buf, + z_size_t len, + uint32_t crc); + +/* + * crc32_sse42_simd_ buffer size constraints: see the use in zlib/crc32.c + * for computing the crc32 of an arbitrary length buffer. + */ +#define Z_CRC32_SSE42_MINIMUM_LENGTH 64 +#define Z_CRC32_SSE42_CHUNKSIZE_MASK 15 + +/* + * CRC32 checksums using ARMv8-a crypto instructions. + */ +uint32_t ZLIB_INTERNAL armv8_crc32_little(unsigned long crc, + const unsigned char* buf, + z_size_t len); + diff --git a/deps/zlib/crc_folding.c b/deps/zlib/crc_folding.c new file mode 100644 index 00000000000000..48d77744aaf47d --- /dev/null +++ b/deps/zlib/crc_folding.c @@ -0,0 +1,493 @@ +/* + * Compute the CRC32 using a parallelized folding approach with the PCLMULQDQ + * instruction. + * + * A white paper describing this algorithm can be found at: + * http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf + * + * Copyright (C) 2013 Intel Corporation. All rights reserved. + * Authors: + * Wajdi Feghali + * Jim Guilford + * Vinodh Gopal + * Erdinc Ozturk + * Jim Kukunas + * + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "deflate.h" + +#include +#include +#include +#include + +#define CRC_LOAD(s) \ + do { \ + __m128i xmm_crc0 = _mm_loadu_si128((__m128i *)s->crc0 + 0);\ + __m128i xmm_crc1 = _mm_loadu_si128((__m128i *)s->crc0 + 1);\ + __m128i xmm_crc2 = _mm_loadu_si128((__m128i *)s->crc0 + 2);\ + __m128i xmm_crc3 = _mm_loadu_si128((__m128i *)s->crc0 + 3);\ + __m128i xmm_crc_part = _mm_loadu_si128((__m128i *)s->crc0 + 4); + +#define CRC_SAVE(s) \ + _mm_storeu_si128((__m128i *)s->crc0 + 0, xmm_crc0);\ + _mm_storeu_si128((__m128i *)s->crc0 + 1, xmm_crc1);\ + _mm_storeu_si128((__m128i *)s->crc0 + 2, xmm_crc2);\ + _mm_storeu_si128((__m128i *)s->crc0 + 3, xmm_crc3);\ + _mm_storeu_si128((__m128i *)s->crc0 + 4, xmm_crc_part);\ + } while (0); + +ZLIB_INTERNAL void crc_fold_init(deflate_state *const s) +{ + CRC_LOAD(s) + + xmm_crc0 = _mm_cvtsi32_si128(0x9db42487); + xmm_crc1 = _mm_setzero_si128(); + xmm_crc2 = _mm_setzero_si128(); + xmm_crc3 = _mm_setzero_si128(); + + CRC_SAVE(s) + + s->strm->adler = 0; +} + +local void fold_1(deflate_state *const s, + __m128i *xmm_crc0, __m128i *xmm_crc1, + __m128i *xmm_crc2, __m128i *xmm_crc3) +{ + const __m128i xmm_fold4 = _mm_set_epi32( + 0x00000001, 0x54442bd4, + 0x00000001, 0xc6e41596); + + __m128i x_tmp3; + __m128 ps_crc0, ps_crc3, ps_res; + + x_tmp3 = *xmm_crc3; + + *xmm_crc3 = *xmm_crc0; + *xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01); + *xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x10); + ps_crc0 = _mm_castsi128_ps(*xmm_crc0); + ps_crc3 = _mm_castsi128_ps(*xmm_crc3); + ps_res = _mm_xor_ps(ps_crc0, ps_crc3); + + *xmm_crc0 = *xmm_crc1; + *xmm_crc1 = *xmm_crc2; + *xmm_crc2 = x_tmp3; + *xmm_crc3 = _mm_castps_si128(ps_res); +} + +local void fold_2(deflate_state *const s, + __m128i *xmm_crc0, __m128i *xmm_crc1, + __m128i *xmm_crc2, __m128i *xmm_crc3) +{ + const __m128i xmm_fold4 = _mm_set_epi32( + 0x00000001, 0x54442bd4, + 0x00000001, 0xc6e41596); + + __m128i x_tmp3, x_tmp2; + __m128 ps_crc0, ps_crc1, ps_crc2, ps_crc3, ps_res31, ps_res20; + + x_tmp3 = *xmm_crc3; + x_tmp2 = *xmm_crc2; + + *xmm_crc3 = *xmm_crc1; + *xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x01); + *xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x10); + ps_crc3 = _mm_castsi128_ps(*xmm_crc3); + ps_crc1 = _mm_castsi128_ps(*xmm_crc1); + ps_res31= _mm_xor_ps(ps_crc3, ps_crc1); + + *xmm_crc2 = *xmm_crc0; + *xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01); + *xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x10); + ps_crc0 = _mm_castsi128_ps(*xmm_crc0); + ps_crc2 = _mm_castsi128_ps(*xmm_crc2); + ps_res20= _mm_xor_ps(ps_crc0, ps_crc2); + + *xmm_crc0 = x_tmp2; + *xmm_crc1 = x_tmp3; + *xmm_crc2 = _mm_castps_si128(ps_res20); + *xmm_crc3 = _mm_castps_si128(ps_res31); +} + +local void fold_3(deflate_state *const s, + __m128i *xmm_crc0, __m128i *xmm_crc1, + __m128i *xmm_crc2, __m128i *xmm_crc3) +{ + const __m128i xmm_fold4 = _mm_set_epi32( + 0x00000001, 0x54442bd4, + 0x00000001, 0xc6e41596); + + __m128i x_tmp3; + __m128 ps_crc0, ps_crc1, ps_crc2, ps_crc3, ps_res32, ps_res21, ps_res10; + + x_tmp3 = *xmm_crc3; + + *xmm_crc3 = *xmm_crc2; + *xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x01); + *xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x10); + ps_crc2 = _mm_castsi128_ps(*xmm_crc2); + ps_crc3 = _mm_castsi128_ps(*xmm_crc3); + ps_res32 = _mm_xor_ps(ps_crc2, ps_crc3); + + *xmm_crc2 = *xmm_crc1; + *xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x01); + *xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x10); + ps_crc1 = _mm_castsi128_ps(*xmm_crc1); + ps_crc2 = _mm_castsi128_ps(*xmm_crc2); + ps_res21= _mm_xor_ps(ps_crc1, ps_crc2); + + *xmm_crc1 = *xmm_crc0; + *xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01); + *xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x10); + ps_crc0 = _mm_castsi128_ps(*xmm_crc0); + ps_crc1 = _mm_castsi128_ps(*xmm_crc1); + ps_res10= _mm_xor_ps(ps_crc0, ps_crc1); + + *xmm_crc0 = x_tmp3; + *xmm_crc1 = _mm_castps_si128(ps_res10); + *xmm_crc2 = _mm_castps_si128(ps_res21); + *xmm_crc3 = _mm_castps_si128(ps_res32); +} + +local void fold_4(deflate_state *const s, + __m128i *xmm_crc0, __m128i *xmm_crc1, + __m128i *xmm_crc2, __m128i *xmm_crc3) +{ + const __m128i xmm_fold4 = _mm_set_epi32( + 0x00000001, 0x54442bd4, + 0x00000001, 0xc6e41596); + + __m128i x_tmp0, x_tmp1, x_tmp2, x_tmp3; + __m128 ps_crc0, ps_crc1, ps_crc2, ps_crc3; + __m128 ps_t0, ps_t1, ps_t2, ps_t3; + __m128 ps_res0, ps_res1, ps_res2, ps_res3; + + x_tmp0 = *xmm_crc0; + x_tmp1 = *xmm_crc1; + x_tmp2 = *xmm_crc2; + x_tmp3 = *xmm_crc3; + + *xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01); + x_tmp0 = _mm_clmulepi64_si128(x_tmp0, xmm_fold4, 0x10); + ps_crc0 = _mm_castsi128_ps(*xmm_crc0); + ps_t0 = _mm_castsi128_ps(x_tmp0); + ps_res0 = _mm_xor_ps(ps_crc0, ps_t0); + + *xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x01); + x_tmp1 = _mm_clmulepi64_si128(x_tmp1, xmm_fold4, 0x10); + ps_crc1 = _mm_castsi128_ps(*xmm_crc1); + ps_t1 = _mm_castsi128_ps(x_tmp1); + ps_res1 = _mm_xor_ps(ps_crc1, ps_t1); + + *xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x01); + x_tmp2 = _mm_clmulepi64_si128(x_tmp2, xmm_fold4, 0x10); + ps_crc2 = _mm_castsi128_ps(*xmm_crc2); + ps_t2 = _mm_castsi128_ps(x_tmp2); + ps_res2 = _mm_xor_ps(ps_crc2, ps_t2); + + *xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x01); + x_tmp3 = _mm_clmulepi64_si128(x_tmp3, xmm_fold4, 0x10); + ps_crc3 = _mm_castsi128_ps(*xmm_crc3); + ps_t3 = _mm_castsi128_ps(x_tmp3); + ps_res3 = _mm_xor_ps(ps_crc3, ps_t3); + + *xmm_crc0 = _mm_castps_si128(ps_res0); + *xmm_crc1 = _mm_castps_si128(ps_res1); + *xmm_crc2 = _mm_castps_si128(ps_res2); + *xmm_crc3 = _mm_castps_si128(ps_res3); +} + +local const unsigned zalign(32) pshufb_shf_table[60] = { + 0x84838281,0x88878685,0x8c8b8a89,0x008f8e8d, /* shl 15 (16 - 1)/shr1 */ + 0x85848382,0x89888786,0x8d8c8b8a,0x01008f8e, /* shl 14 (16 - 3)/shr2 */ + 0x86858483,0x8a898887,0x8e8d8c8b,0x0201008f, /* shl 13 (16 - 4)/shr3 */ + 0x87868584,0x8b8a8988,0x8f8e8d8c,0x03020100, /* shl 12 (16 - 4)/shr4 */ + 0x88878685,0x8c8b8a89,0x008f8e8d,0x04030201, /* shl 11 (16 - 5)/shr5 */ + 0x89888786,0x8d8c8b8a,0x01008f8e,0x05040302, /* shl 10 (16 - 6)/shr6 */ + 0x8a898887,0x8e8d8c8b,0x0201008f,0x06050403, /* shl 9 (16 - 7)/shr7 */ + 0x8b8a8988,0x8f8e8d8c,0x03020100,0x07060504, /* shl 8 (16 - 8)/shr8 */ + 0x8c8b8a89,0x008f8e8d,0x04030201,0x08070605, /* shl 7 (16 - 9)/shr9 */ + 0x8d8c8b8a,0x01008f8e,0x05040302,0x09080706, /* shl 6 (16 -10)/shr10*/ + 0x8e8d8c8b,0x0201008f,0x06050403,0x0a090807, /* shl 5 (16 -11)/shr11*/ + 0x8f8e8d8c,0x03020100,0x07060504,0x0b0a0908, /* shl 4 (16 -12)/shr12*/ + 0x008f8e8d,0x04030201,0x08070605,0x0c0b0a09, /* shl 3 (16 -13)/shr13*/ + 0x01008f8e,0x05040302,0x09080706,0x0d0c0b0a, /* shl 2 (16 -14)/shr14*/ + 0x0201008f,0x06050403,0x0a090807,0x0e0d0c0b /* shl 1 (16 -15)/shr15*/ +}; + +local void partial_fold(deflate_state *const s, const size_t len, + __m128i *xmm_crc0, __m128i *xmm_crc1, + __m128i *xmm_crc2, __m128i *xmm_crc3, + __m128i *xmm_crc_part) +{ + + const __m128i xmm_fold4 = _mm_set_epi32( + 0x00000001, 0x54442bd4, + 0x00000001, 0xc6e41596); + const __m128i xmm_mask3 = _mm_set1_epi32(0x80808080); + + __m128i xmm_shl, xmm_shr, xmm_tmp1, xmm_tmp2, xmm_tmp3; + __m128i xmm_a0_0, xmm_a0_1; + __m128 ps_crc3, psa0_0, psa0_1, ps_res; + + xmm_shl = _mm_load_si128((__m128i *)pshufb_shf_table + (len - 1)); + xmm_shr = xmm_shl; + xmm_shr = _mm_xor_si128(xmm_shr, xmm_mask3); + + xmm_a0_0 = _mm_shuffle_epi8(*xmm_crc0, xmm_shl); + + *xmm_crc0 = _mm_shuffle_epi8(*xmm_crc0, xmm_shr); + xmm_tmp1 = _mm_shuffle_epi8(*xmm_crc1, xmm_shl); + *xmm_crc0 = _mm_or_si128(*xmm_crc0, xmm_tmp1); + + *xmm_crc1 = _mm_shuffle_epi8(*xmm_crc1, xmm_shr); + xmm_tmp2 = _mm_shuffle_epi8(*xmm_crc2, xmm_shl); + *xmm_crc1 = _mm_or_si128(*xmm_crc1, xmm_tmp2); + + *xmm_crc2 = _mm_shuffle_epi8(*xmm_crc2, xmm_shr); + xmm_tmp3 = _mm_shuffle_epi8(*xmm_crc3, xmm_shl); + *xmm_crc2 = _mm_or_si128(*xmm_crc2, xmm_tmp3); + + *xmm_crc3 = _mm_shuffle_epi8(*xmm_crc3, xmm_shr); + *xmm_crc_part = _mm_shuffle_epi8(*xmm_crc_part, xmm_shl); + *xmm_crc3 = _mm_or_si128(*xmm_crc3, *xmm_crc_part); + + xmm_a0_1 = _mm_clmulepi64_si128(xmm_a0_0, xmm_fold4, 0x10); + xmm_a0_0 = _mm_clmulepi64_si128(xmm_a0_0, xmm_fold4, 0x01); + + ps_crc3 = _mm_castsi128_ps(*xmm_crc3); + psa0_0 = _mm_castsi128_ps(xmm_a0_0); + psa0_1 = _mm_castsi128_ps(xmm_a0_1); + + ps_res = _mm_xor_ps(ps_crc3, psa0_0); + ps_res = _mm_xor_ps(ps_res, psa0_1); + + *xmm_crc3 = _mm_castps_si128(ps_res); +} + +ZLIB_INTERNAL void crc_fold_copy(deflate_state *const s, + unsigned char *dst, const unsigned char *src, long len) +{ + unsigned long algn_diff; + __m128i xmm_t0, xmm_t1, xmm_t2, xmm_t3; + + CRC_LOAD(s) + + if (len < 16) { + if (len == 0) + return; + goto partial; + } + + algn_diff = 0 - (uintptr_t)src & 0xF; + if (algn_diff) { + xmm_crc_part = _mm_loadu_si128((__m128i *)src); + _mm_storeu_si128((__m128i *)dst, xmm_crc_part); + + dst += algn_diff; + src += algn_diff; + len -= algn_diff; + + partial_fold(s, algn_diff, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3, + &xmm_crc_part); + } + + while ((len -= 64) >= 0) { + xmm_t0 = _mm_load_si128((__m128i *)src); + xmm_t1 = _mm_load_si128((__m128i *)src + 1); + xmm_t2 = _mm_load_si128((__m128i *)src + 2); + xmm_t3 = _mm_load_si128((__m128i *)src + 3); + + fold_4(s, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3); + + _mm_storeu_si128((__m128i *)dst, xmm_t0); + _mm_storeu_si128((__m128i *)dst + 1, xmm_t1); + _mm_storeu_si128((__m128i *)dst + 2, xmm_t2); + _mm_storeu_si128((__m128i *)dst + 3, xmm_t3); + + xmm_crc0 = _mm_xor_si128(xmm_crc0, xmm_t0); + xmm_crc1 = _mm_xor_si128(xmm_crc1, xmm_t1); + xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_t2); + xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t3); + + src += 64; + dst += 64; + } + + /* + * len = num bytes left - 64 + */ + if (len + 16 >= 0) { + len += 16; + + xmm_t0 = _mm_load_si128((__m128i *)src); + xmm_t1 = _mm_load_si128((__m128i *)src + 1); + xmm_t2 = _mm_load_si128((__m128i *)src + 2); + + fold_3(s, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3); + + _mm_storeu_si128((__m128i *)dst, xmm_t0); + _mm_storeu_si128((__m128i *)dst + 1, xmm_t1); + _mm_storeu_si128((__m128i *)dst + 2, xmm_t2); + + xmm_crc1 = _mm_xor_si128(xmm_crc1, xmm_t0); + xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_t1); + xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t2); + + if (len == 0) + goto done; + + dst += 48; + src += 48; + } else if (len + 32 >= 0) { + len += 32; + + xmm_t0 = _mm_load_si128((__m128i *)src); + xmm_t1 = _mm_load_si128((__m128i *)src + 1); + + fold_2(s, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3); + + _mm_storeu_si128((__m128i *)dst, xmm_t0); + _mm_storeu_si128((__m128i *)dst + 1, xmm_t1); + + xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_t0); + xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t1); + + if (len == 0) + goto done; + + dst += 32; + src += 32; + } else if (len + 48 >= 0) { + len += 48; + + xmm_t0 = _mm_load_si128((__m128i *)src); + + fold_1(s, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3); + + _mm_storeu_si128((__m128i *)dst, xmm_t0); + + xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t0); + + if (len == 0) + goto done; + + dst += 16; + src += 16; + } else { + len += 64; + if (len == 0) + goto done; + } + +partial: + +#if defined(_MSC_VER) + /* VS does not permit the use of _mm_set_epi64x in 32-bit builds */ + { + int32_t parts[4] = {0, 0, 0, 0}; + memcpy(&parts, src, len); + xmm_crc_part = _mm_set_epi32(parts[3], parts[2], parts[1], parts[0]); + } +#else + { + int64_t parts[2] = {0, 0}; + memcpy(&parts, src, len); + xmm_crc_part = _mm_set_epi64x(parts[1], parts[0]); + } +#endif + + _mm_storeu_si128((__m128i *)dst, xmm_crc_part); + partial_fold(s, len, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3, + &xmm_crc_part); +done: + CRC_SAVE(s) +} + +local const unsigned zalign(16) crc_k[] = { + 0xccaa009e, 0x00000000, /* rk1 */ + 0x751997d0, 0x00000001, /* rk2 */ + 0xccaa009e, 0x00000000, /* rk5 */ + 0x63cd6124, 0x00000001, /* rk6 */ + 0xf7011640, 0x00000001, /* rk7 */ + 0xdb710640, 0x00000001 /* rk8 */ +}; + +local const unsigned zalign(16) crc_mask[4] = { + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000 +}; + +local const unsigned zalign(16) crc_mask2[4] = { + 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF +}; + +unsigned ZLIB_INTERNAL crc_fold_512to32(deflate_state *const s) +{ + const __m128i xmm_mask = _mm_load_si128((__m128i *)crc_mask); + const __m128i xmm_mask2 = _mm_load_si128((__m128i *)crc_mask2); + + unsigned crc; + __m128i x_tmp0, x_tmp1, x_tmp2, crc_fold; + + CRC_LOAD(s) + + /* + * k1 + */ + crc_fold = _mm_load_si128((__m128i *)crc_k); + + x_tmp0 = _mm_clmulepi64_si128(xmm_crc0, crc_fold, 0x10); + xmm_crc0 = _mm_clmulepi64_si128(xmm_crc0, crc_fold, 0x01); + xmm_crc1 = _mm_xor_si128(xmm_crc1, x_tmp0); + xmm_crc1 = _mm_xor_si128(xmm_crc1, xmm_crc0); + + x_tmp1 = _mm_clmulepi64_si128(xmm_crc1, crc_fold, 0x10); + xmm_crc1 = _mm_clmulepi64_si128(xmm_crc1, crc_fold, 0x01); + xmm_crc2 = _mm_xor_si128(xmm_crc2, x_tmp1); + xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_crc1); + + x_tmp2 = _mm_clmulepi64_si128(xmm_crc2, crc_fold, 0x10); + xmm_crc2 = _mm_clmulepi64_si128(xmm_crc2, crc_fold, 0x01); + xmm_crc3 = _mm_xor_si128(xmm_crc3, x_tmp2); + xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc2); + + /* + * k5 + */ + crc_fold = _mm_load_si128((__m128i *)crc_k + 1); + + xmm_crc0 = xmm_crc3; + xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0); + xmm_crc0 = _mm_srli_si128(xmm_crc0, 8); + xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc0); + + xmm_crc0 = xmm_crc3; + xmm_crc3 = _mm_slli_si128(xmm_crc3, 4); + xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0x10); + xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc0); + xmm_crc3 = _mm_and_si128(xmm_crc3, xmm_mask2); + + /* + * k7 + */ + xmm_crc1 = xmm_crc3; + xmm_crc2 = xmm_crc3; + crc_fold = _mm_load_si128((__m128i *)crc_k + 2); + + xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0); + xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc2); + xmm_crc3 = _mm_and_si128(xmm_crc3, xmm_mask); + + xmm_crc2 = xmm_crc3; + xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0x10); + xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc2); + xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc1); + + crc = _mm_extract_epi32(xmm_crc3, 2); + return ~crc; + CRC_SAVE(s) +} diff --git a/deps/zlib/deflate.c b/deps/zlib/deflate.c index 909606df01fb70..201254ac1b664e 100644 --- a/deps/zlib/deflate.c +++ b/deps/zlib/deflate.c @@ -48,8 +48,17 @@ */ /* @(#) $Id$ */ - +#include #include "deflate.h" +#include "x86.h" +#include "contrib/optimizations/insert_string.h" + +#if (defined(__ARM_NEON__) || defined(__ARM_NEON)) +#include "contrib/optimizations/slide_hash_neon.h" +#endif +#if defined(CRC32_ARMV8_CRC32) +#include "crc32_simd.h" +#endif const char deflate_copyright[] = " deflate 1.2.11 Copyright 1995-2017 Jean-loup Gailly and Mark Adler "; @@ -86,7 +95,7 @@ local block_state deflate_huff OF((deflate_state *s, int flush)); local void lm_init OF((deflate_state *s)); local void putShortMSB OF((deflate_state *s, uInt b)); local void flush_pending OF((z_streamp strm)); -local unsigned read_buf OF((z_streamp strm, Bytef *buf, unsigned size)); +unsigned ZLIB_INTERNAL deflate_read_buf OF((z_streamp strm, Bytef *buf, unsigned size)); #ifdef ASMV # pragma message("Assembler code may have bugs -- use at your own risk") void match_init OF((void)); /* asm code initialization */ @@ -100,6 +109,11 @@ local void check_match OF((deflate_state *s, IPos start, IPos match, int length)); #endif +/* From crc32.c */ +extern void ZLIB_INTERNAL crc_reset(deflate_state *const s); +extern void ZLIB_INTERNAL crc_finalize(deflate_state *const s); +extern void ZLIB_INTERNAL copy_with_crc(z_streamp strm, Bytef *dst, long size); + /* =========================================================================== * Local data */ @@ -154,47 +168,13 @@ local const config configuration_table[10] = { /* rank Z_BLOCK between Z_NO_FLUSH and Z_PARTIAL_FLUSH */ #define RANK(f) (((f) * 2) - ((f) > 4 ? 9 : 0)) -/* =========================================================================== - * Update a hash value with the given input byte - * IN assertion: all calls to UPDATE_HASH are made with consecutive input - * characters, so that a running hash key can be computed from the previous - * key instead of complete recalculation each time. - */ -#define UPDATE_HASH(s,h,c) (h = (((h)<hash_shift) ^ (c)) & s->hash_mask) - - -/* =========================================================================== - * Insert string str in the dictionary and set match_head to the previous head - * of the hash chain (the most recent string with same hash key). Return - * the previous length of the hash chain. - * If this file is compiled with -DFASTEST, the compression level is forced - * to 1, and no hash chains are maintained. - * IN assertion: all calls to INSERT_STRING are made with consecutive input - * characters and the first MIN_MATCH bytes of str are valid (except for - * the last MIN_MATCH-1 bytes of the input file). - */ -#ifdef FASTEST -#define INSERT_STRING(s, str, match_head) \ - (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ - match_head = s->head[s->ins_h], \ - s->head[s->ins_h] = (Pos)(str)) -#else -#define INSERT_STRING(s, str, match_head) \ - (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ - match_head = s->prev[(str) & s->w_mask] = s->head[s->ins_h], \ - s->head[s->ins_h] = (Pos)(str)) -#endif - /* =========================================================================== * Initialize the hash table (avoiding 64K overflow for 16 bit systems). * prev[] will be initialized on the fly. */ #define CLEAR_HASH(s) \ - do { \ - s->head[s->hash_size-1] = NIL; \ - zmemzero((Bytef *)s->head, \ - (unsigned)(s->hash_size-1)*sizeof(*s->head)); \ - } while (0) + s->head[s->hash_size-1] = NIL; \ + zmemzero((Bytef *)s->head, (unsigned)(s->hash_size-1)*sizeof(*s->head)); /* =========================================================================== * Slide the hash table when sliding the window down (could be avoided with 32 @@ -204,6 +184,10 @@ local const config configuration_table[10] = { local void slide_hash(s) deflate_state *s; { +#if (defined(__ARM_NEON__) || defined(__ARM_NEON)) + /* NEON based hash table rebase. */ + return neon_slide_hash(s->head, s->prev, s->w_size, s->hash_size); +#endif unsigned n, m; Posf *p; uInt wsize = s->w_size; @@ -251,14 +235,20 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, const char *version; int stream_size; { + unsigned window_padding = 8; deflate_state *s; int wrap = 1; static const char my_version[] = ZLIB_VERSION; - ushf *overlay; - /* We overlay pending_buf and d_buf+l_buf. This works since the average - * output size for (length,distance) codes is <= 24 bits. - */ + // Needed to activate optimized insert_string() that helps compression + // for all wrapper formats (e.g. RAW, ZLIB, GZIP). + // Feature detection is not triggered while using RAW mode (i.e. we never + // call crc32() with a NULL buffer). +#if defined(CRC32_ARMV8_CRC32) + arm_check_features(); +#elif defined(CRC32_SIMD_SSE42_PCLMUL) + x86_check_features(); +#endif if (version == Z_NULL || version[0] != my_version[0] || stream_size != sizeof(z_stream)) { @@ -316,12 +306,19 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, s->w_size = 1 << s->w_bits; s->w_mask = s->w_size - 1; - s->hash_bits = (uInt)memLevel + 7; + if (x86_cpu_enable_simd) { + s->hash_bits = 15; + } else { + s->hash_bits = memLevel + 7; + } + s->hash_size = 1 << s->hash_bits; s->hash_mask = s->hash_size - 1; s->hash_shift = ((s->hash_bits+MIN_MATCH-1)/MIN_MATCH); - s->window = (Bytef *) ZALLOC(strm, s->w_size, 2*sizeof(Byte)); + s->window = (Bytef *) ZALLOC(strm, + s->w_size + window_padding, + 2*sizeof(Byte)); s->prev = (Posf *) ZALLOC(strm, s->w_size, sizeof(Pos)); s->head = (Posf *) ZALLOC(strm, s->hash_size, sizeof(Pos)); @@ -329,9 +326,46 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, s->lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */ - overlay = (ushf *) ZALLOC(strm, s->lit_bufsize, sizeof(ush)+2); - s->pending_buf = (uchf *) overlay; - s->pending_buf_size = (ulg)s->lit_bufsize * (sizeof(ush)+2L); + /* We overlay pending_buf and sym_buf. This works since the average size + * for length/distance pairs over any compressed block is assured to be 31 + * bits or less. + * + * Analysis: The longest fixed codes are a length code of 8 bits plus 5 + * extra bits, for lengths 131 to 257. The longest fixed distance codes are + * 5 bits plus 13 extra bits, for distances 16385 to 32768. The longest + * possible fixed-codes length/distance pair is then 31 bits total. + * + * sym_buf starts one-fourth of the way into pending_buf. So there are + * three bytes in sym_buf for every four bytes in pending_buf. Each symbol + * in sym_buf is three bytes -- two for the distance and one for the + * literal/length. As each symbol is consumed, the pointer to the next + * sym_buf value to read moves forward three bytes. From that symbol, up to + * 31 bits are written to pending_buf. The closest the written pending_buf + * bits gets to the next sym_buf symbol to read is just before the last + * code is written. At that time, 31*(n-2) bits have been written, just + * after 24*(n-2) bits have been consumed from sym_buf. sym_buf starts at + * 8*n bits into pending_buf. (Note that the symbol buffer fills when n-1 + * symbols are written.) The closest the writing gets to what is unread is + * then n+14 bits. Here n is lit_bufsize, which is 16384 by default, and + * can range from 128 to 32768. + * + * Therefore, at a minimum, there are 142 bits of space between what is + * written and what is read in the overlain buffers, so the symbols cannot + * be overwritten by the compressed data. That space is actually 139 bits, + * due to the three-bit fixed-code block header. + * + * That covers the case where either Z_FIXED is specified, forcing fixed + * codes, or when the use of fixed codes is chosen, because that choice + * results in a smaller compressed block than dynamic codes. That latter + * condition then assures that the above analysis also covers all dynamic + * blocks. A dynamic-code block will only be chosen to be emitted if it has + * fewer bits than a fixed-code block would for the same set of symbols. + * Therefore its average symbol length is assured to be less than 31. So + * the compressed data for a dynamic block also cannot overwrite the + * symbols from which it is being constructed. + */ + s->pending_buf = (uchf *) ZALLOC(strm, s->lit_bufsize, 4); + s->pending_buf_size = (ulg)s->lit_bufsize * 4; if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL || s->pending_buf == Z_NULL) { @@ -340,8 +374,12 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, deflateEnd (strm); return Z_MEM_ERROR; } - s->d_buf = overlay + s->lit_bufsize/sizeof(ush); - s->l_buf = s->pending_buf + (1+sizeof(ush))*s->lit_bufsize; + s->sym_buf = s->pending_buf + s->lit_bufsize; + s->sym_end = (s->lit_bufsize - 1) * 3; + /* We avoid equality with lit_bufsize*3 because of wraparound at 64K + * on 16 bit machines and because stored blocks are restricted to + * 64K-1 bytes. + */ s->level = level; s->strategy = strategy; @@ -397,7 +435,7 @@ int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength) /* when using zlib wrappers, compute Adler-32 for provided dictionary */ if (wrap == 1) strm->adler = adler32(strm->adler, dictionary, dictLength); - s->wrap = 0; /* avoid computing Adler-32 in read_buf */ + s->wrap = 0; /* avoid computing Adler-32 in deflate_read_buf */ /* if dictionary would fill window, just replace the history */ if (dictLength >= s->w_size) { @@ -421,11 +459,7 @@ int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength) str = s->strstart; n = s->lookahead - (MIN_MATCH-1); do { - UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); -#ifndef FASTEST - s->prev[str & s->w_mask] = s->head[s->ins_h]; -#endif - s->head[s->ins_h] = (Pos)str; + insert_string(s, str); str++; } while (--n); s->strstart = str; @@ -552,7 +586,7 @@ int ZEXPORT deflatePrime (strm, bits, value) if (deflateStateCheck(strm)) return Z_STREAM_ERROR; s = strm->state; - if ((Bytef *)(s->d_buf) < s->pending_out + ((Buf_size + 7) >> 3)) + if (s->sym_buf < s->pending_out + ((Buf_size + 7) >> 3)) return Z_BUF_ERROR; do { put = Buf_size - s->bi_valid; @@ -728,7 +762,7 @@ local void putShortMSB (s, b) * Flush as much pending output as possible. All deflate() output, except for * some deflate_stored() output, goes through this function so some * applications may wish to modify it to avoid allocating a large - * strm->next_out buffer and copying into it. (See also read_buf()). + * strm->next_out buffer and copying into it. (See also deflate_read_buf()). */ local void flush_pending(strm) z_streamp strm; @@ -851,7 +885,7 @@ int ZEXPORT deflate (strm, flush) #ifdef GZIP if (s->status == GZIP_STATE) { /* gzip header */ - strm->adler = crc32(0L, Z_NULL, 0); + crc_reset(s); put_byte(s, 31); put_byte(s, 139); put_byte(s, 8); @@ -1052,6 +1086,7 @@ int ZEXPORT deflate (strm, flush) /* Write the trailer */ #ifdef GZIP if (s->wrap == 2) { + crc_finalize(s); put_byte(s, (Byte)(strm->adler & 0xff)); put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); put_byte(s, (Byte)((strm->adler >> 16) & 0xff)); @@ -1111,7 +1146,6 @@ int ZEXPORT deflateCopy (dest, source) #else deflate_state *ds; deflate_state *ss; - ushf *overlay; if (deflateStateCheck(source) || dest == Z_NULL) { @@ -1131,8 +1165,7 @@ int ZEXPORT deflateCopy (dest, source) ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte)); ds->prev = (Posf *) ZALLOC(dest, ds->w_size, sizeof(Pos)); ds->head = (Posf *) ZALLOC(dest, ds->hash_size, sizeof(Pos)); - overlay = (ushf *) ZALLOC(dest, ds->lit_bufsize, sizeof(ush)+2); - ds->pending_buf = (uchf *) overlay; + ds->pending_buf = (uchf *) ZALLOC(dest, ds->lit_bufsize, 4); if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL || ds->pending_buf == Z_NULL) { @@ -1146,8 +1179,7 @@ int ZEXPORT deflateCopy (dest, source) zmemcpy(ds->pending_buf, ss->pending_buf, (uInt)ds->pending_buf_size); ds->pending_out = ds->pending_buf + (ss->pending_out - ss->pending_buf); - ds->d_buf = overlay + ds->lit_bufsize/sizeof(ush); - ds->l_buf = ds->pending_buf + (1+sizeof(ush))*ds->lit_bufsize; + ds->sym_buf = ds->pending_buf + ds->lit_bufsize; ds->l_desc.dyn_tree = ds->dyn_ltree; ds->d_desc.dyn_tree = ds->dyn_dtree; @@ -1164,7 +1196,7 @@ int ZEXPORT deflateCopy (dest, source) * allocating a large strm->next_in buffer and copying from it. * (See also flush_pending()). */ -local unsigned read_buf(strm, buf, size) +ZLIB_INTERNAL unsigned deflate_read_buf(strm, buf, size) z_streamp strm; Bytef *buf; unsigned size; @@ -1176,15 +1208,16 @@ local unsigned read_buf(strm, buf, size) strm->avail_in -= len; - zmemcpy(buf, strm->next_in, len); - if (strm->state->wrap == 1) { - strm->adler = adler32(strm->adler, buf, len); - } #ifdef GZIP - else if (strm->state->wrap == 2) { - strm->adler = crc32(strm->adler, buf, len); - } + if (strm->state->wrap == 2) + copy_with_crc(strm, buf, len); + else #endif + { + zmemcpy(buf, strm->next_in, len); + if (strm->state->wrap == 1) + strm->adler = adler32(strm->adler, buf, len); + } strm->next_in += len; strm->total_in += len; @@ -1482,7 +1515,19 @@ local void check_match(s, start, match, length) * performed for at least two bytes (required for the zip translate_eol * option -- not supported here). */ -local void fill_window(s) +local void fill_window_c(deflate_state *s); + +local void fill_window(deflate_state *s) +{ + if (x86_cpu_enable_simd) { + fill_window_sse(s); + return; + } + + fill_window_c(s); +} + +local void fill_window_c(s) deflate_state *s; { unsigned n; @@ -1534,7 +1579,7 @@ local void fill_window(s) */ Assert(more >= 2, "more < 2"); - n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more); + n = deflate_read_buf(s->strm, s->window + s->strstart + s->lookahead, more); s->lookahead += n; /* Initialize the hash value now that we have some input: */ @@ -1723,7 +1768,7 @@ local block_state deflate_stored(s, flush) * the check value. */ if (len) { - read_buf(s->strm, s->strm->next_out, len); + deflate_read_buf(s->strm, s->strm->next_out, len); s->strm->next_out += len; s->strm->avail_out -= len; s->strm->total_out += len; @@ -1786,7 +1831,7 @@ local block_state deflate_stored(s, flush) if (have > s->strm->avail_in) have = s->strm->avail_in; if (have) { - read_buf(s->strm, s->window + s->strstart, have); + deflate_read_buf(s->strm, s->window + s->strstart, have); s->strstart += have; } if (s->high_water < s->strstart) @@ -1850,7 +1895,7 @@ local block_state deflate_fast(s, flush) */ hash_head = NIL; if (s->lookahead >= MIN_MATCH) { - INSERT_STRING(s, s->strstart, hash_head); + hash_head = insert_string(s, s->strstart); } /* Find the longest match, discarding those <= prev_length. @@ -1881,7 +1926,7 @@ local block_state deflate_fast(s, flush) s->match_length--; /* string at strstart already in table */ do { s->strstart++; - INSERT_STRING(s, s->strstart, hash_head); + hash_head = insert_string(s, s->strstart); /* strstart never exceeds WSIZE-MAX_MATCH, so there are * always MIN_MATCH bytes ahead. */ @@ -1915,7 +1960,7 @@ local block_state deflate_fast(s, flush) FLUSH_BLOCK(s, 1); return finish_done; } - if (s->last_lit) + if (s->sym_next) FLUSH_BLOCK(s, 0); return block_done; } @@ -1953,7 +1998,7 @@ local block_state deflate_slow(s, flush) */ hash_head = NIL; if (s->lookahead >= MIN_MATCH) { - INSERT_STRING(s, s->strstart, hash_head); + hash_head = insert_string(s, s->strstart); } /* Find the longest match, discarding those <= prev_length. @@ -2004,7 +2049,7 @@ local block_state deflate_slow(s, flush) s->prev_length -= 2; do { if (++s->strstart <= max_insert) { - INSERT_STRING(s, s->strstart, hash_head); + hash_head = insert_string(s, s->strstart); } } while (--s->prev_length != 0); s->match_available = 0; @@ -2046,7 +2091,7 @@ local block_state deflate_slow(s, flush) FLUSH_BLOCK(s, 1); return finish_done; } - if (s->last_lit) + if (s->sym_next) FLUSH_BLOCK(s, 0); return block_done; } @@ -2121,7 +2166,7 @@ local block_state deflate_rle(s, flush) FLUSH_BLOCK(s, 1); return finish_done; } - if (s->last_lit) + if (s->sym_next) FLUSH_BLOCK(s, 0); return block_done; } @@ -2160,7 +2205,7 @@ local block_state deflate_huff(s, flush) FLUSH_BLOCK(s, 1); return finish_done; } - if (s->last_lit) + if (s->sym_next) FLUSH_BLOCK(s, 0); return block_done; } diff --git a/deps/zlib/deflate.h b/deps/zlib/deflate.h index 23ecdd312bc06e..78ffb00a29768e 100644 --- a/deps/zlib/deflate.h +++ b/deps/zlib/deflate.h @@ -109,8 +109,8 @@ typedef struct internal_state { ulg gzindex; /* where in extra, name, or comment */ Byte method; /* can only be DEFLATED */ int last_flush; /* value of flush param for previous deflate call */ - - /* used by deflate.c: */ + unsigned crc0[4 * 5]; + /* used by deflate.c: */ uInt w_size; /* LZ77 window size (32K by default) */ uInt w_bits; /* log2(w_size) (8..16) */ @@ -217,7 +217,7 @@ typedef struct internal_state { /* Depth of each subtree used as tie breaker for trees of equal frequency */ - uchf *l_buf; /* buffer for literals or lengths */ + uchf *sym_buf; /* buffer for distances and literals/lengths */ uInt lit_bufsize; /* Size of match buffer for literals/lengths. There are 4 reasons for @@ -239,13 +239,8 @@ typedef struct internal_state { * - I can't count above 4 */ - uInt last_lit; /* running index in l_buf */ - - ushf *d_buf; - /* Buffer for distances. To simplify the code, d_buf and l_buf have - * the same number of elements. To use different lengths, an extra flag - * array would be necessary. - */ + uInt sym_next; /* running index in sym_buf */ + uInt sym_end; /* symbol table full when sym_next reaches this */ ulg opt_len; /* bit length of current block with optimal trees */ ulg static_len; /* bit length of current block with static trees */ @@ -325,20 +320,22 @@ void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf, # define _tr_tally_lit(s, c, flush) \ { uch cc = (c); \ - s->d_buf[s->last_lit] = 0; \ - s->l_buf[s->last_lit++] = cc; \ + s->sym_buf[s->sym_next++] = 0; \ + s->sym_buf[s->sym_next++] = 0; \ + s->sym_buf[s->sym_next++] = cc; \ s->dyn_ltree[cc].Freq++; \ - flush = (s->last_lit == s->lit_bufsize-1); \ + flush = (s->sym_next == s->sym_end); \ } # define _tr_tally_dist(s, distance, length, flush) \ { uch len = (uch)(length); \ ush dist = (ush)(distance); \ - s->d_buf[s->last_lit] = dist; \ - s->l_buf[s->last_lit++] = len; \ + s->sym_buf[s->sym_next++] = dist; \ + s->sym_buf[s->sym_next++] = dist >> 8; \ + s->sym_buf[s->sym_next++] = len; \ dist--; \ s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \ s->dyn_dtree[d_code(dist)].Freq++; \ - flush = (s->last_lit == s->lit_bufsize-1); \ + flush = (s->sym_next == s->sym_end); \ } #else # define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c) @@ -346,4 +343,14 @@ void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf, flush = _tr_tally(s, distance, length) #endif +/* Functions that are SIMD optimised on x86 */ +void ZLIB_INTERNAL crc_fold_init(deflate_state* const s); +void ZLIB_INTERNAL crc_fold_copy(deflate_state* const s, + unsigned char* dst, + const unsigned char* src, + long len); +unsigned ZLIB_INTERNAL crc_fold_512to32(deflate_state* const s); + +void ZLIB_INTERNAL fill_window_sse(deflate_state* s); + #endif /* DEFLATE_H */ diff --git a/deps/zlib/doc/algorithm.txt b/deps/zlib/doc/algorithm.txt deleted file mode 100644 index c97f495020b429..00000000000000 --- a/deps/zlib/doc/algorithm.txt +++ /dev/null @@ -1,209 +0,0 @@ -1. Compression algorithm (deflate) - -The deflation algorithm used by gzip (also zip and zlib) is a variation of -LZ77 (Lempel-Ziv 1977, see reference below). It finds duplicated strings in -the input data. The second occurrence of a string is replaced by a -pointer to the previous string, in the form of a pair (distance, -length). Distances are limited to 32K bytes, and lengths are limited -to 258 bytes. When a string does not occur anywhere in the previous -32K bytes, it is emitted as a sequence of literal bytes. (In this -description, `string' must be taken as an arbitrary sequence of bytes, -and is not restricted to printable characters.) - -Literals or match lengths are compressed with one Huffman tree, and -match distances are compressed with another tree. The trees are stored -in a compact form at the start of each block. The blocks can have any -size (except that the compressed data for one block must fit in -available memory). A block is terminated when deflate() determines that -it would be useful to start another block with fresh trees. (This is -somewhat similar to the behavior of LZW-based _compress_.) - -Duplicated strings are found using a hash table. All input strings of -length 3 are inserted in the hash table. A hash index is computed for -the next 3 bytes. If the hash chain for this index is not empty, all -strings in the chain are compared with the current input string, and -the longest match is selected. - -The hash chains are searched starting with the most recent strings, to -favor small distances and thus take advantage of the Huffman encoding. -The hash chains are singly linked. There are no deletions from the -hash chains, the algorithm simply discards matches that are too old. - -To avoid a worst-case situation, very long hash chains are arbitrarily -truncated at a certain length, determined by a runtime option (level -parameter of deflateInit). So deflate() does not always find the longest -possible match but generally finds a match which is long enough. - -deflate() also defers the selection of matches with a lazy evaluation -mechanism. After a match of length N has been found, deflate() searches for -a longer match at the next input byte. If a longer match is found, the -previous match is truncated to a length of one (thus producing a single -literal byte) and the process of lazy evaluation begins again. Otherwise, -the original match is kept, and the next match search is attempted only N -steps later. - -The lazy match evaluation is also subject to a runtime parameter. If -the current match is long enough, deflate() reduces the search for a longer -match, thus speeding up the whole process. If compression ratio is more -important than speed, deflate() attempts a complete second search even if -the first match is already long enough. - -The lazy match evaluation is not performed for the fastest compression -modes (level parameter 1 to 3). For these fast modes, new strings -are inserted in the hash table only when no match was found, or -when the match is not too long. This degrades the compression ratio -but saves time since there are both fewer insertions and fewer searches. - - -2. Decompression algorithm (inflate) - -2.1 Introduction - -The key question is how to represent a Huffman code (or any prefix code) so -that you can decode fast. The most important characteristic is that shorter -codes are much more common than longer codes, so pay attention to decoding the -short codes fast, and let the long codes take longer to decode. - -inflate() sets up a first level table that covers some number of bits of -input less than the length of longest code. It gets that many bits from the -stream, and looks it up in the table. The table will tell if the next -code is that many bits or less and how many, and if it is, it will tell -the value, else it will point to the next level table for which inflate() -grabs more bits and tries to decode a longer code. - -How many bits to make the first lookup is a tradeoff between the time it -takes to decode and the time it takes to build the table. If building the -table took no time (and if you had infinite memory), then there would only -be a first level table to cover all the way to the longest code. However, -building the table ends up taking a lot longer for more bits since short -codes are replicated many times in such a table. What inflate() does is -simply to make the number of bits in the first table a variable, and then -to set that variable for the maximum speed. - -For inflate, which has 286 possible codes for the literal/length tree, the size -of the first table is nine bits. Also the distance trees have 30 possible -values, and the size of the first table is six bits. Note that for each of -those cases, the table ended up one bit longer than the ``average'' code -length, i.e. the code length of an approximately flat code which would be a -little more than eight bits for 286 symbols and a little less than five bits -for 30 symbols. - - -2.2 More details on the inflate table lookup - -Ok, you want to know what this cleverly obfuscated inflate tree actually -looks like. You are correct that it's not a Huffman tree. It is simply a -lookup table for the first, let's say, nine bits of a Huffman symbol. The -symbol could be as short as one bit or as long as 15 bits. If a particular -symbol is shorter than nine bits, then that symbol's translation is duplicated -in all those entries that start with that symbol's bits. For example, if the -symbol is four bits, then it's duplicated 32 times in a nine-bit table. If a -symbol is nine bits long, it appears in the table once. - -If the symbol is longer than nine bits, then that entry in the table points -to another similar table for the remaining bits. Again, there are duplicated -entries as needed. The idea is that most of the time the symbol will be short -and there will only be one table look up. (That's whole idea behind data -compression in the first place.) For the less frequent long symbols, there -will be two lookups. If you had a compression method with really long -symbols, you could have as many levels of lookups as is efficient. For -inflate, two is enough. - -So a table entry either points to another table (in which case nine bits in -the above example are gobbled), or it contains the translation for the symbol -and the number of bits to gobble. Then you start again with the next -ungobbled bit. - -You may wonder: why not just have one lookup table for how ever many bits the -longest symbol is? The reason is that if you do that, you end up spending -more time filling in duplicate symbol entries than you do actually decoding. -At least for deflate's output that generates new trees every several 10's of -kbytes. You can imagine that filling in a 2^15 entry table for a 15-bit code -would take too long if you're only decoding several thousand symbols. At the -other extreme, you could make a new table for every bit in the code. In fact, -that's essentially a Huffman tree. But then you spend too much time -traversing the tree while decoding, even for short symbols. - -So the number of bits for the first lookup table is a trade of the time to -fill out the table vs. the time spent looking at the second level and above of -the table. - -Here is an example, scaled down: - -The code being decoded, with 10 symbols, from 1 to 6 bits long: - -A: 0 -B: 10 -C: 1100 -D: 11010 -E: 11011 -F: 11100 -G: 11101 -H: 11110 -I: 111110 -J: 111111 - -Let's make the first table three bits long (eight entries): - -000: A,1 -001: A,1 -010: A,1 -011: A,1 -100: B,2 -101: B,2 -110: -> table X (gobble 3 bits) -111: -> table Y (gobble 3 bits) - -Each entry is what the bits decode as and how many bits that is, i.e. how -many bits to gobble. Or the entry points to another table, with the number of -bits to gobble implicit in the size of the table. - -Table X is two bits long since the longest code starting with 110 is five bits -long: - -00: C,1 -01: C,1 -10: D,2 -11: E,2 - -Table Y is three bits long since the longest code starting with 111 is six -bits long: - -000: F,2 -001: F,2 -010: G,2 -011: G,2 -100: H,2 -101: H,2 -110: I,3 -111: J,3 - -So what we have here are three tables with a total of 20 entries that had to -be constructed. That's compared to 64 entries for a single table. Or -compared to 16 entries for a Huffman tree (six two entry tables and one four -entry table). Assuming that the code ideally represents the probability of -the symbols, it takes on the average 1.25 lookups per symbol. That's compared -to one lookup for the single table, or 1.66 lookups per symbol for the -Huffman tree. - -There, I think that gives you a picture of what's going on. For inflate, the -meaning of a particular symbol is often more than just a letter. It can be a -byte (a "literal"), or it can be either a length or a distance which -indicates a base value and a number of bits to fetch after the code that is -added to the base value. Or it might be the special end-of-block code. The -data structures created in inftrees.c try to encode all that information -compactly in the tables. - - -Jean-loup Gailly Mark Adler -jloup@gzip.org madler@alumni.caltech.edu - - -References: - -[LZ77] Ziv J., Lempel A., ``A Universal Algorithm for Sequential Data -Compression,'' IEEE Transactions on Information Theory, Vol. 23, No. 3, -pp. 337-343. - -``DEFLATE Compressed Data Format Specification'' available in -http://tools.ietf.org/html/rfc1951 diff --git a/deps/zlib/doc/rfc1950.txt b/deps/zlib/doc/rfc1950.txt deleted file mode 100644 index ce6428a0f2eed4..00000000000000 --- a/deps/zlib/doc/rfc1950.txt +++ /dev/null @@ -1,619 +0,0 @@ - - - - - - -Network Working Group P. Deutsch -Request for Comments: 1950 Aladdin Enterprises -Category: Informational J-L. Gailly - Info-ZIP - May 1996 - - - ZLIB Compressed Data Format Specification version 3.3 - -Status of This Memo - - This memo provides information for the Internet community. This memo - does not specify an Internet standard of any kind. Distribution of - this memo is unlimited. - -IESG Note: - - The IESG takes no position on the validity of any Intellectual - Property Rights statements contained in this document. - -Notices - - Copyright (c) 1996 L. Peter Deutsch and Jean-Loup Gailly - - Permission is granted to copy and distribute this document for any - purpose and without charge, including translations into other - languages and incorporation into compilations, provided that the - copyright notice and this notice are preserved, and that any - substantive changes or deletions from the original are clearly - marked. - - A pointer to the latest version of this and related documentation in - HTML format can be found at the URL - . - -Abstract - - This specification defines a lossless compressed data format. The - data can be produced or consumed, even for an arbitrarily long - sequentially presented input data stream, using only an a priori - bounded amount of intermediate storage. The format presently uses - the DEFLATE compression method but can be easily extended to use - other compression methods. It can be implemented readily in a manner - not covered by patents. This specification also defines the ADLER-32 - checksum (an extension and improvement of the Fletcher checksum), - used for detection of data corruption, and provides an algorithm for - computing it. - - - - -Deutsch & Gailly Informational [Page 1] - -RFC 1950 ZLIB Compressed Data Format Specification May 1996 - - -Table of Contents - - 1. Introduction ................................................... 2 - 1.1. Purpose ................................................... 2 - 1.2. Intended audience ......................................... 3 - 1.3. Scope ..................................................... 3 - 1.4. Compliance ................................................ 3 - 1.5. Definitions of terms and conventions used ................ 3 - 1.6. Changes from previous versions ............................ 3 - 2. Detailed specification ......................................... 3 - 2.1. Overall conventions ....................................... 3 - 2.2. Data format ............................................... 4 - 2.3. Compliance ................................................ 7 - 3. References ..................................................... 7 - 4. Source code .................................................... 8 - 5. Security Considerations ........................................ 8 - 6. Acknowledgements ............................................... 8 - 7. Authors' Addresses ............................................. 8 - 8. Appendix: Rationale ............................................ 9 - 9. Appendix: Sample code ..........................................10 - -1. Introduction - - 1.1. Purpose - - The purpose of this specification is to define a lossless - compressed data format that: - - * Is independent of CPU type, operating system, file system, - and character set, and hence can be used for interchange; - - * Can be produced or consumed, even for an arbitrarily long - sequentially presented input data stream, using only an a - priori bounded amount of intermediate storage, and hence can - be used in data communications or similar structures such as - Unix filters; - - * Can use a number of different compression methods; - - * Can be implemented readily in a manner not covered by - patents, and hence can be practiced freely. - - The data format defined by this specification does not attempt to - allow random access to compressed data. - - - - - - - -Deutsch & Gailly Informational [Page 2] - -RFC 1950 ZLIB Compressed Data Format Specification May 1996 - - - 1.2. Intended audience - - This specification is intended for use by implementors of software - to compress data into zlib format and/or decompress data from zlib - format. - - The text of the specification assumes a basic background in - programming at the level of bits and other primitive data - representations. - - 1.3. Scope - - The specification specifies a compressed data format that can be - used for in-memory compression of a sequence of arbitrary bytes. - - 1.4. Compliance - - Unless otherwise indicated below, a compliant decompressor must be - able to accept and decompress any data set that conforms to all - the specifications presented here; a compliant compressor must - produce data sets that conform to all the specifications presented - here. - - 1.5. Definitions of terms and conventions used - - byte: 8 bits stored or transmitted as a unit (same as an octet). - (For this specification, a byte is exactly 8 bits, even on - machines which store a character on a number of bits different - from 8.) See below, for the numbering of bits within a byte. - - 1.6. Changes from previous versions - - Version 3.1 was the first public release of this specification. - In version 3.2, some terminology was changed and the Adler-32 - sample code was rewritten for clarity. In version 3.3, the - support for a preset dictionary was introduced, and the - specification was converted to RFC style. - -2. Detailed specification - - 2.1. Overall conventions - - In the diagrams below, a box like this: - - +---+ - | | <-- the vertical bars might be missing - +---+ - - - - -Deutsch & Gailly Informational [Page 3] - -RFC 1950 ZLIB Compressed Data Format Specification May 1996 - - - represents one byte; a box like this: - - +==============+ - | | - +==============+ - - represents a variable number of bytes. - - Bytes stored within a computer do not have a "bit order", since - they are always treated as a unit. However, a byte considered as - an integer between 0 and 255 does have a most- and least- - significant bit, and since we write numbers with the most- - significant digit on the left, we also write bytes with the most- - significant bit on the left. In the diagrams below, we number the - bits of a byte so that bit 0 is the least-significant bit, i.e., - the bits are numbered: - - +--------+ - |76543210| - +--------+ - - Within a computer, a number may occupy multiple bytes. All - multi-byte numbers in the format described here are stored with - the MOST-significant byte first (at the lower memory address). - For example, the decimal number 520 is stored as: - - 0 1 - +--------+--------+ - |00000010|00001000| - +--------+--------+ - ^ ^ - | | - | + less significant byte = 8 - + more significant byte = 2 x 256 - - 2.2. Data format - - A zlib stream has the following structure: - - 0 1 - +---+---+ - |CMF|FLG| (more-->) - +---+---+ - - - - - - - - -Deutsch & Gailly Informational [Page 4] - -RFC 1950 ZLIB Compressed Data Format Specification May 1996 - - - (if FLG.FDICT set) - - 0 1 2 3 - +---+---+---+---+ - | DICTID | (more-->) - +---+---+---+---+ - - +=====================+---+---+---+---+ - |...compressed data...| ADLER32 | - +=====================+---+---+---+---+ - - Any data which may appear after ADLER32 are not part of the zlib - stream. - - CMF (Compression Method and flags) - This byte is divided into a 4-bit compression method and a 4- - bit information field depending on the compression method. - - bits 0 to 3 CM Compression method - bits 4 to 7 CINFO Compression info - - CM (Compression method) - This identifies the compression method used in the file. CM = 8 - denotes the "deflate" compression method with a window size up - to 32K. This is the method used by gzip and PNG (see - references [1] and [2] in Chapter 3, below, for the reference - documents). CM = 15 is reserved. It might be used in a future - version of this specification to indicate the presence of an - extra field before the compressed data. - - CINFO (Compression info) - For CM = 8, CINFO is the base-2 logarithm of the LZ77 window - size, minus eight (CINFO=7 indicates a 32K window size). Values - of CINFO above 7 are not allowed in this version of the - specification. CINFO is not defined in this specification for - CM not equal to 8. - - FLG (FLaGs) - This flag byte is divided as follows: - - bits 0 to 4 FCHECK (check bits for CMF and FLG) - bit 5 FDICT (preset dictionary) - bits 6 to 7 FLEVEL (compression level) - - The FCHECK value must be such that CMF and FLG, when viewed as - a 16-bit unsigned integer stored in MSB order (CMF*256 + FLG), - is a multiple of 31. - - - - -Deutsch & Gailly Informational [Page 5] - -RFC 1950 ZLIB Compressed Data Format Specification May 1996 - - - FDICT (Preset dictionary) - If FDICT is set, a DICT dictionary identifier is present - immediately after the FLG byte. The dictionary is a sequence of - bytes which are initially fed to the compressor without - producing any compressed output. DICT is the Adler-32 checksum - of this sequence of bytes (see the definition of ADLER32 - below). The decompressor can use this identifier to determine - which dictionary has been used by the compressor. - - FLEVEL (Compression level) - These flags are available for use by specific compression - methods. The "deflate" method (CM = 8) sets these flags as - follows: - - 0 - compressor used fastest algorithm - 1 - compressor used fast algorithm - 2 - compressor used default algorithm - 3 - compressor used maximum compression, slowest algorithm - - The information in FLEVEL is not needed for decompression; it - is there to indicate if recompression might be worthwhile. - - compressed data - For compression method 8, the compressed data is stored in the - deflate compressed data format as described in the document - "DEFLATE Compressed Data Format Specification" by L. Peter - Deutsch. (See reference [3] in Chapter 3, below) - - Other compressed data formats are not specified in this version - of the zlib specification. - - ADLER32 (Adler-32 checksum) - This contains a checksum value of the uncompressed data - (excluding any dictionary data) computed according to Adler-32 - algorithm. This algorithm is a 32-bit extension and improvement - of the Fletcher algorithm, used in the ITU-T X.224 / ISO 8073 - standard. See references [4] and [5] in Chapter 3, below) - - Adler-32 is composed of two sums accumulated per byte: s1 is - the sum of all bytes, s2 is the sum of all s1 values. Both sums - are done modulo 65521. s1 is initialized to 1, s2 to zero. The - Adler-32 checksum is stored as s2*65536 + s1 in most- - significant-byte first (network) order. - - - - - - - - -Deutsch & Gailly Informational [Page 6] - -RFC 1950 ZLIB Compressed Data Format Specification May 1996 - - - 2.3. Compliance - - A compliant compressor must produce streams with correct CMF, FLG - and ADLER32, but need not support preset dictionaries. When the - zlib data format is used as part of another standard data format, - the compressor may use only preset dictionaries that are specified - by this other data format. If this other format does not use the - preset dictionary feature, the compressor must not set the FDICT - flag. - - A compliant decompressor must check CMF, FLG, and ADLER32, and - provide an error indication if any of these have incorrect values. - A compliant decompressor must give an error indication if CM is - not one of the values defined in this specification (only the - value 8 is permitted in this version), since another value could - indicate the presence of new features that would cause subsequent - data to be interpreted incorrectly. A compliant decompressor must - give an error indication if FDICT is set and DICTID is not the - identifier of a known preset dictionary. A decompressor may - ignore FLEVEL and still be compliant. When the zlib data format - is being used as a part of another standard format, a compliant - decompressor must support all the preset dictionaries specified by - the other format. When the other format does not use the preset - dictionary feature, a compliant decompressor must reject any - stream in which the FDICT flag is set. - -3. References - - [1] Deutsch, L.P.,"GZIP Compressed Data Format Specification", - available in ftp://ftp.uu.net/pub/archiving/zip/doc/ - - [2] Thomas Boutell, "PNG (Portable Network Graphics) specification", - available in ftp://ftp.uu.net/graphics/png/documents/ - - [3] Deutsch, L.P.,"DEFLATE Compressed Data Format Specification", - available in ftp://ftp.uu.net/pub/archiving/zip/doc/ - - [4] Fletcher, J. G., "An Arithmetic Checksum for Serial - Transmissions," IEEE Transactions on Communications, Vol. COM-30, - No. 1, January 1982, pp. 247-252. - - [5] ITU-T Recommendation X.224, Annex D, "Checksum Algorithms," - November, 1993, pp. 144, 145. (Available from - gopher://info.itu.ch). ITU-T X.244 is also the same as ISO 8073. - - - - - - - -Deutsch & Gailly Informational [Page 7] - -RFC 1950 ZLIB Compressed Data Format Specification May 1996 - - -4. Source code - - Source code for a C language implementation of a "zlib" compliant - library is available at ftp://ftp.uu.net/pub/archiving/zip/zlib/. - -5. Security Considerations - - A decoder that fails to check the ADLER32 checksum value may be - subject to undetected data corruption. - -6. Acknowledgements - - Trademarks cited in this document are the property of their - respective owners. - - Jean-Loup Gailly and Mark Adler designed the zlib format and wrote - the related software described in this specification. Glenn - Randers-Pehrson converted this document to RFC and HTML format. - -7. Authors' Addresses - - L. Peter Deutsch - Aladdin Enterprises - 203 Santa Margarita Ave. - Menlo Park, CA 94025 - - Phone: (415) 322-0103 (AM only) - FAX: (415) 322-1734 - EMail: - - - Jean-Loup Gailly - - EMail: - - Questions about the technical content of this specification can be - sent by email to - - Jean-Loup Gailly and - Mark Adler - - Editorial comments on this specification can be sent by email to - - L. Peter Deutsch and - Glenn Randers-Pehrson - - - - - - -Deutsch & Gailly Informational [Page 8] - -RFC 1950 ZLIB Compressed Data Format Specification May 1996 - - -8. Appendix: Rationale - - 8.1. Preset dictionaries - - A preset dictionary is specially useful to compress short input - sequences. The compressor can take advantage of the dictionary - context to encode the input in a more compact manner. The - decompressor can be initialized with the appropriate context by - virtually decompressing a compressed version of the dictionary - without producing any output. However for certain compression - algorithms such as the deflate algorithm this operation can be - achieved without actually performing any decompression. - - The compressor and the decompressor must use exactly the same - dictionary. The dictionary may be fixed or may be chosen among a - certain number of predefined dictionaries, according to the kind - of input data. The decompressor can determine which dictionary has - been chosen by the compressor by checking the dictionary - identifier. This document does not specify the contents of - predefined dictionaries, since the optimal dictionaries are - application specific. Standard data formats using this feature of - the zlib specification must precisely define the allowed - dictionaries. - - 8.2. The Adler-32 algorithm - - The Adler-32 algorithm is much faster than the CRC32 algorithm yet - still provides an extremely low probability of undetected errors. - - The modulo on unsigned long accumulators can be delayed for 5552 - bytes, so the modulo operation time is negligible. If the bytes - are a, b, c, the second sum is 3a + 2b + c + 3, and so is position - and order sensitive, unlike the first sum, which is just a - checksum. That 65521 is prime is important to avoid a possible - large class of two-byte errors that leave the check unchanged. - (The Fletcher checksum uses 255, which is not prime and which also - makes the Fletcher check insensitive to single byte changes 0 <-> - 255.) - - The sum s1 is initialized to 1 instead of zero to make the length - of the sequence part of s2, so that the length does not have to be - checked separately. (Any sequence of zeroes has a Fletcher - checksum of zero.) - - - - - - - - -Deutsch & Gailly Informational [Page 9] - -RFC 1950 ZLIB Compressed Data Format Specification May 1996 - - -9. Appendix: Sample code - - The following C code computes the Adler-32 checksum of a data buffer. - It is written for clarity, not for speed. The sample code is in the - ANSI C programming language. Non C users may find it easier to read - with these hints: - - & Bitwise AND operator. - >> Bitwise right shift operator. When applied to an - unsigned quantity, as here, right shift inserts zero bit(s) - at the left. - << Bitwise left shift operator. Left shift inserts zero - bit(s) at the right. - ++ "n++" increments the variable n. - % modulo operator: a % b is the remainder of a divided by b. - - #define BASE 65521 /* largest prime smaller than 65536 */ - - /* - Update a running Adler-32 checksum with the bytes buf[0..len-1] - and return the updated checksum. The Adler-32 checksum should be - initialized to 1. - - Usage example: - - unsigned long adler = 1L; - - while (read_buffer(buffer, length) != EOF) { - adler = update_adler32(adler, buffer, length); - } - if (adler != original_adler) error(); - */ - unsigned long update_adler32(unsigned long adler, - unsigned char *buf, int len) - { - unsigned long s1 = adler & 0xffff; - unsigned long s2 = (adler >> 16) & 0xffff; - int n; - - for (n = 0; n < len; n++) { - s1 = (s1 + buf[n]) % BASE; - s2 = (s2 + s1) % BASE; - } - return (s2 << 16) + s1; - } - - /* Return the adler32 of the bytes buf[0..len-1] */ - - - - -Deutsch & Gailly Informational [Page 10] - -RFC 1950 ZLIB Compressed Data Format Specification May 1996 - - - unsigned long adler32(unsigned char *buf, int len) - { - return update_adler32(1L, buf, len); - } - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Deutsch & Gailly Informational [Page 11] - diff --git a/deps/zlib/doc/rfc1951.txt b/deps/zlib/doc/rfc1951.txt deleted file mode 100644 index 403c8c722ff24c..00000000000000 --- a/deps/zlib/doc/rfc1951.txt +++ /dev/null @@ -1,955 +0,0 @@ - - - - - - -Network Working Group P. Deutsch -Request for Comments: 1951 Aladdin Enterprises -Category: Informational May 1996 - - - DEFLATE Compressed Data Format Specification version 1.3 - -Status of This Memo - - This memo provides information for the Internet community. This memo - does not specify an Internet standard of any kind. Distribution of - this memo is unlimited. - -IESG Note: - - The IESG takes no position on the validity of any Intellectual - Property Rights statements contained in this document. - -Notices - - Copyright (c) 1996 L. Peter Deutsch - - Permission is granted to copy and distribute this document for any - purpose and without charge, including translations into other - languages and incorporation into compilations, provided that the - copyright notice and this notice are preserved, and that any - substantive changes or deletions from the original are clearly - marked. - - A pointer to the latest version of this and related documentation in - HTML format can be found at the URL - . - -Abstract - - This specification defines a lossless compressed data format that - compresses data using a combination of the LZ77 algorithm and Huffman - coding, with efficiency comparable to the best currently available - general-purpose compression methods. The data can be produced or - consumed, even for an arbitrarily long sequentially presented input - data stream, using only an a priori bounded amount of intermediate - storage. The format can be implemented readily in a manner not - covered by patents. - - - - - - - - -Deutsch Informational [Page 1] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - -Table of Contents - - 1. Introduction ................................................... 2 - 1.1. Purpose ................................................... 2 - 1.2. Intended audience ......................................... 3 - 1.3. Scope ..................................................... 3 - 1.4. Compliance ................................................ 3 - 1.5. Definitions of terms and conventions used ................ 3 - 1.6. Changes from previous versions ............................ 4 - 2. Compressed representation overview ............................. 4 - 3. Detailed specification ......................................... 5 - 3.1. Overall conventions ....................................... 5 - 3.1.1. Packing into bytes .................................. 5 - 3.2. Compressed block format ................................... 6 - 3.2.1. Synopsis of prefix and Huffman coding ............... 6 - 3.2.2. Use of Huffman coding in the "deflate" format ....... 7 - 3.2.3. Details of block format ............................. 9 - 3.2.4. Non-compressed blocks (BTYPE=00) ................... 11 - 3.2.5. Compressed blocks (length and distance codes) ...... 11 - 3.2.6. Compression with fixed Huffman codes (BTYPE=01) .... 12 - 3.2.7. Compression with dynamic Huffman codes (BTYPE=10) .. 13 - 3.3. Compliance ............................................... 14 - 4. Compression algorithm details ................................. 14 - 5. References .................................................... 16 - 6. Security Considerations ....................................... 16 - 7. Source code ................................................... 16 - 8. Acknowledgements .............................................. 16 - 9. Author's Address .............................................. 17 - -1. Introduction - - 1.1. Purpose - - The purpose of this specification is to define a lossless - compressed data format that: - * Is independent of CPU type, operating system, file system, - and character set, and hence can be used for interchange; - * Can be produced or consumed, even for an arbitrarily long - sequentially presented input data stream, using only an a - priori bounded amount of intermediate storage, and hence - can be used in data communications or similar structures - such as Unix filters; - * Compresses data with efficiency comparable to the best - currently available general-purpose compression methods, - and in particular considerably better than the "compress" - program; - * Can be implemented readily in a manner not covered by - patents, and hence can be practiced freely; - - - -Deutsch Informational [Page 2] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - * Is compatible with the file format produced by the current - widely used gzip utility, in that conforming decompressors - will be able to read data produced by the existing gzip - compressor. - - The data format defined by this specification does not attempt to: - - * Allow random access to compressed data; - * Compress specialized data (e.g., raster graphics) as well - as the best currently available specialized algorithms. - - A simple counting argument shows that no lossless compression - algorithm can compress every possible input data set. For the - format defined here, the worst case expansion is 5 bytes per 32K- - byte block, i.e., a size increase of 0.015% for large data sets. - English text usually compresses by a factor of 2.5 to 3; - executable files usually compress somewhat less; graphical data - such as raster images may compress much more. - - 1.2. Intended audience - - This specification is intended for use by implementors of software - to compress data into "deflate" format and/or decompress data from - "deflate" format. - - The text of the specification assumes a basic background in - programming at the level of bits and other primitive data - representations. Familiarity with the technique of Huffman coding - is helpful but not required. - - 1.3. Scope - - The specification specifies a method for representing a sequence - of bytes as a (usually shorter) sequence of bits, and a method for - packing the latter bit sequence into bytes. - - 1.4. Compliance - - Unless otherwise indicated below, a compliant decompressor must be - able to accept and decompress any data set that conforms to all - the specifications presented here; a compliant compressor must - produce data sets that conform to all the specifications presented - here. - - 1.5. Definitions of terms and conventions used - - Byte: 8 bits stored or transmitted as a unit (same as an octet). - For this specification, a byte is exactly 8 bits, even on machines - - - -Deutsch Informational [Page 3] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - which store a character on a number of bits different from eight. - See below, for the numbering of bits within a byte. - - String: a sequence of arbitrary bytes. - - 1.6. Changes from previous versions - - There have been no technical changes to the deflate format since - version 1.1 of this specification. In version 1.2, some - terminology was changed. Version 1.3 is a conversion of the - specification to RFC style. - -2. Compressed representation overview - - A compressed data set consists of a series of blocks, corresponding - to successive blocks of input data. The block sizes are arbitrary, - except that non-compressible blocks are limited to 65,535 bytes. - - Each block is compressed using a combination of the LZ77 algorithm - and Huffman coding. The Huffman trees for each block are independent - of those for previous or subsequent blocks; the LZ77 algorithm may - use a reference to a duplicated string occurring in a previous block, - up to 32K input bytes before. - - Each block consists of two parts: a pair of Huffman code trees that - describe the representation of the compressed data part, and a - compressed data part. (The Huffman trees themselves are compressed - using Huffman encoding.) The compressed data consists of a series of - elements of two types: literal bytes (of strings that have not been - detected as duplicated within the previous 32K input bytes), and - pointers to duplicated strings, where a pointer is represented as a - pair . The representation used in the - "deflate" format limits distances to 32K bytes and lengths to 258 - bytes, but does not limit the size of a block, except for - uncompressible blocks, which are limited as noted above. - - Each type of value (literals, distances, and lengths) in the - compressed data is represented using a Huffman code, using one code - tree for literals and lengths and a separate code tree for distances. - The code trees for each block appear in a compact form just before - the compressed data for that block. - - - - - - - - - - -Deutsch Informational [Page 4] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - -3. Detailed specification - - 3.1. Overall conventions In the diagrams below, a box like this: - - +---+ - | | <-- the vertical bars might be missing - +---+ - - represents one byte; a box like this: - - +==============+ - | | - +==============+ - - represents a variable number of bytes. - - Bytes stored within a computer do not have a "bit order", since - they are always treated as a unit. However, a byte considered as - an integer between 0 and 255 does have a most- and least- - significant bit, and since we write numbers with the most- - significant digit on the left, we also write bytes with the most- - significant bit on the left. In the diagrams below, we number the - bits of a byte so that bit 0 is the least-significant bit, i.e., - the bits are numbered: - - +--------+ - |76543210| - +--------+ - - Within a computer, a number may occupy multiple bytes. All - multi-byte numbers in the format described here are stored with - the least-significant byte first (at the lower memory address). - For example, the decimal number 520 is stored as: - - 0 1 - +--------+--------+ - |00001000|00000010| - +--------+--------+ - ^ ^ - | | - | + more significant byte = 2 x 256 - + less significant byte = 8 - - 3.1.1. Packing into bytes - - This document does not address the issue of the order in which - bits of a byte are transmitted on a bit-sequential medium, - since the final data format described here is byte- rather than - - - -Deutsch Informational [Page 5] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - bit-oriented. However, we describe the compressed block format - in below, as a sequence of data elements of various bit - lengths, not a sequence of bytes. We must therefore specify - how to pack these data elements into bytes to form the final - compressed byte sequence: - - * Data elements are packed into bytes in order of - increasing bit number within the byte, i.e., starting - with the least-significant bit of the byte. - * Data elements other than Huffman codes are packed - starting with the least-significant bit of the data - element. - * Huffman codes are packed starting with the most- - significant bit of the code. - - In other words, if one were to print out the compressed data as - a sequence of bytes, starting with the first byte at the - *right* margin and proceeding to the *left*, with the most- - significant bit of each byte on the left as usual, one would be - able to parse the result from right to left, with fixed-width - elements in the correct MSB-to-LSB order and Huffman codes in - bit-reversed order (i.e., with the first bit of the code in the - relative LSB position). - - 3.2. Compressed block format - - 3.2.1. Synopsis of prefix and Huffman coding - - Prefix coding represents symbols from an a priori known - alphabet by bit sequences (codes), one code for each symbol, in - a manner such that different symbols may be represented by bit - sequences of different lengths, but a parser can always parse - an encoded string unambiguously symbol-by-symbol. - - We define a prefix code in terms of a binary tree in which the - two edges descending from each non-leaf node are labeled 0 and - 1 and in which the leaf nodes correspond one-for-one with (are - labeled with) the symbols of the alphabet; then the code for a - symbol is the sequence of 0's and 1's on the edges leading from - the root to the leaf labeled with that symbol. For example: - - - - - - - - - - - -Deutsch Informational [Page 6] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - /\ Symbol Code - 0 1 ------ ---- - / \ A 00 - /\ B B 1 - 0 1 C 011 - / \ D 010 - A /\ - 0 1 - / \ - D C - - A parser can decode the next symbol from an encoded input - stream by walking down the tree from the root, at each step - choosing the edge corresponding to the next input bit. - - Given an alphabet with known symbol frequencies, the Huffman - algorithm allows the construction of an optimal prefix code - (one which represents strings with those symbol frequencies - using the fewest bits of any possible prefix codes for that - alphabet). Such a code is called a Huffman code. (See - reference [1] in Chapter 5, references for additional - information on Huffman codes.) - - Note that in the "deflate" format, the Huffman codes for the - various alphabets must not exceed certain maximum code lengths. - This constraint complicates the algorithm for computing code - lengths from symbol frequencies. Again, see Chapter 5, - references for details. - - 3.2.2. Use of Huffman coding in the "deflate" format - - The Huffman codes used for each alphabet in the "deflate" - format have two additional rules: - - * All codes of a given bit length have lexicographically - consecutive values, in the same order as the symbols - they represent; - - * Shorter codes lexicographically precede longer codes. - - - - - - - - - - - - -Deutsch Informational [Page 7] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - We could recode the example above to follow this rule as - follows, assuming that the order of the alphabet is ABCD: - - Symbol Code - ------ ---- - A 10 - B 0 - C 110 - D 111 - - I.e., 0 precedes 10 which precedes 11x, and 110 and 111 are - lexicographically consecutive. - - Given this rule, we can define the Huffman code for an alphabet - just by giving the bit lengths of the codes for each symbol of - the alphabet in order; this is sufficient to determine the - actual codes. In our example, the code is completely defined - by the sequence of bit lengths (2, 1, 3, 3). The following - algorithm generates the codes as integers, intended to be read - from most- to least-significant bit. The code lengths are - initially in tree[I].Len; the codes are produced in - tree[I].Code. - - 1) Count the number of codes for each code length. Let - bl_count[N] be the number of codes of length N, N >= 1. - - 2) Find the numerical value of the smallest code for each - code length: - - code = 0; - bl_count[0] = 0; - for (bits = 1; bits <= MAX_BITS; bits++) { - code = (code + bl_count[bits-1]) << 1; - next_code[bits] = code; - } - - 3) Assign numerical values to all codes, using consecutive - values for all codes of the same length with the base - values determined at step 2. Codes that are never used - (which have a bit length of zero) must not be assigned a - value. - - for (n = 0; n <= max_code; n++) { - len = tree[n].Len; - if (len != 0) { - tree[n].Code = next_code[len]; - next_code[len]++; - } - - - -Deutsch Informational [Page 8] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - } - - Example: - - Consider the alphabet ABCDEFGH, with bit lengths (3, 3, 3, 3, - 3, 2, 4, 4). After step 1, we have: - - N bl_count[N] - - ----------- - 2 1 - 3 5 - 4 2 - - Step 2 computes the following next_code values: - - N next_code[N] - - ------------ - 1 0 - 2 0 - 3 2 - 4 14 - - Step 3 produces the following code values: - - Symbol Length Code - ------ ------ ---- - A 3 010 - B 3 011 - C 3 100 - D 3 101 - E 3 110 - F 2 00 - G 4 1110 - H 4 1111 - - 3.2.3. Details of block format - - Each block of compressed data begins with 3 header bits - containing the following data: - - first bit BFINAL - next 2 bits BTYPE - - Note that the header bits do not necessarily begin on a byte - boundary, since a block does not necessarily occupy an integral - number of bytes. - - - - - -Deutsch Informational [Page 9] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - BFINAL is set if and only if this is the last block of the data - set. - - BTYPE specifies how the data are compressed, as follows: - - 00 - no compression - 01 - compressed with fixed Huffman codes - 10 - compressed with dynamic Huffman codes - 11 - reserved (error) - - The only difference between the two compressed cases is how the - Huffman codes for the literal/length and distance alphabets are - defined. - - In all cases, the decoding algorithm for the actual data is as - follows: - - do - read block header from input stream. - if stored with no compression - skip any remaining bits in current partially - processed byte - read LEN and NLEN (see next section) - copy LEN bytes of data to output - otherwise - if compressed with dynamic Huffman codes - read representation of code trees (see - subsection below) - loop (until end of block code recognized) - decode literal/length value from input stream - if value < 256 - copy value (literal byte) to output stream - otherwise - if value = end of block (256) - break from loop - otherwise (value = 257..285) - decode distance from input stream - - move backwards distance bytes in the output - stream, and copy length bytes from this - position to the output stream. - end loop - while not last block - - Note that a duplicated string reference may refer to a string - in a previous block; i.e., the backward distance may cross one - or more block boundaries. However a distance cannot refer past - the beginning of the output stream. (An application using a - - - -Deutsch Informational [Page 10] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - preset dictionary might discard part of the output stream; a - distance can refer to that part of the output stream anyway) - Note also that the referenced string may overlap the current - position; for example, if the last 2 bytes decoded have values - X and Y, a string reference with - adds X,Y,X,Y,X to the output stream. - - We now specify each compression method in turn. - - 3.2.4. Non-compressed blocks (BTYPE=00) - - Any bits of input up to the next byte boundary are ignored. - The rest of the block consists of the following information: - - 0 1 2 3 4... - +---+---+---+---+================================+ - | LEN | NLEN |... LEN bytes of literal data...| - +---+---+---+---+================================+ - - LEN is the number of data bytes in the block. NLEN is the - one's complement of LEN. - - 3.2.5. Compressed blocks (length and distance codes) - - As noted above, encoded data blocks in the "deflate" format - consist of sequences of symbols drawn from three conceptually - distinct alphabets: either literal bytes, from the alphabet of - byte values (0..255), or pairs, - where the length is drawn from (3..258) and the distance is - drawn from (1..32,768). In fact, the literal and length - alphabets are merged into a single alphabet (0..285), where - values 0..255 represent literal bytes, the value 256 indicates - end-of-block, and values 257..285 represent length codes - (possibly in conjunction with extra bits following the symbol - code) as follows: - - - - - - - - - - - - - - - - -Deutsch Informational [Page 11] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - Extra Extra Extra - Code Bits Length(s) Code Bits Lengths Code Bits Length(s) - ---- ---- ------ ---- ---- ------- ---- ---- ------- - 257 0 3 267 1 15,16 277 4 67-82 - 258 0 4 268 1 17,18 278 4 83-98 - 259 0 5 269 2 19-22 279 4 99-114 - 260 0 6 270 2 23-26 280 4 115-130 - 261 0 7 271 2 27-30 281 5 131-162 - 262 0 8 272 2 31-34 282 5 163-194 - 263 0 9 273 3 35-42 283 5 195-226 - 264 0 10 274 3 43-50 284 5 227-257 - 265 1 11,12 275 3 51-58 285 0 258 - 266 1 13,14 276 3 59-66 - - The extra bits should be interpreted as a machine integer - stored with the most-significant bit first, e.g., bits 1110 - represent the value 14. - - Extra Extra Extra - Code Bits Dist Code Bits Dist Code Bits Distance - ---- ---- ---- ---- ---- ------ ---- ---- -------- - 0 0 1 10 4 33-48 20 9 1025-1536 - 1 0 2 11 4 49-64 21 9 1537-2048 - 2 0 3 12 5 65-96 22 10 2049-3072 - 3 0 4 13 5 97-128 23 10 3073-4096 - 4 1 5,6 14 6 129-192 24 11 4097-6144 - 5 1 7,8 15 6 193-256 25 11 6145-8192 - 6 2 9-12 16 7 257-384 26 12 8193-12288 - 7 2 13-16 17 7 385-512 27 12 12289-16384 - 8 3 17-24 18 8 513-768 28 13 16385-24576 - 9 3 25-32 19 8 769-1024 29 13 24577-32768 - - 3.2.6. Compression with fixed Huffman codes (BTYPE=01) - - The Huffman codes for the two alphabets are fixed, and are not - represented explicitly in the data. The Huffman code lengths - for the literal/length alphabet are: - - Lit Value Bits Codes - --------- ---- ----- - 0 - 143 8 00110000 through - 10111111 - 144 - 255 9 110010000 through - 111111111 - 256 - 279 7 0000000 through - 0010111 - 280 - 287 8 11000000 through - 11000111 - - - -Deutsch Informational [Page 12] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - The code lengths are sufficient to generate the actual codes, - as described above; we show the codes in the table for added - clarity. Literal/length values 286-287 will never actually - occur in the compressed data, but participate in the code - construction. - - Distance codes 0-31 are represented by (fixed-length) 5-bit - codes, with possible additional bits as shown in the table - shown in Paragraph 3.2.5, above. Note that distance codes 30- - 31 will never actually occur in the compressed data. - - 3.2.7. Compression with dynamic Huffman codes (BTYPE=10) - - The Huffman codes for the two alphabets appear in the block - immediately after the header bits and before the actual - compressed data, first the literal/length code and then the - distance code. Each code is defined by a sequence of code - lengths, as discussed in Paragraph 3.2.2, above. For even - greater compactness, the code length sequences themselves are - compressed using a Huffman code. The alphabet for code lengths - is as follows: - - 0 - 15: Represent code lengths of 0 - 15 - 16: Copy the previous code length 3 - 6 times. - The next 2 bits indicate repeat length - (0 = 3, ... , 3 = 6) - Example: Codes 8, 16 (+2 bits 11), - 16 (+2 bits 10) will expand to - 12 code lengths of 8 (1 + 6 + 5) - 17: Repeat a code length of 0 for 3 - 10 times. - (3 bits of length) - 18: Repeat a code length of 0 for 11 - 138 times - (7 bits of length) - - A code length of 0 indicates that the corresponding symbol in - the literal/length or distance alphabet will not occur in the - block, and should not participate in the Huffman code - construction algorithm given earlier. If only one distance - code is used, it is encoded using one bit, not zero bits; in - this case there is a single code length of one, with one unused - code. One distance code of zero bits means that there are no - distance codes used at all (the data is all literals). - - We can now define the format of the block: - - 5 Bits: HLIT, # of Literal/Length codes - 257 (257 - 286) - 5 Bits: HDIST, # of Distance codes - 1 (1 - 32) - 4 Bits: HCLEN, # of Code Length codes - 4 (4 - 19) - - - -Deutsch Informational [Page 13] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - (HCLEN + 4) x 3 bits: code lengths for the code length - alphabet given just above, in the order: 16, 17, 18, - 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 - - These code lengths are interpreted as 3-bit integers - (0-7); as above, a code length of 0 means the - corresponding symbol (literal/length or distance code - length) is not used. - - HLIT + 257 code lengths for the literal/length alphabet, - encoded using the code length Huffman code - - HDIST + 1 code lengths for the distance alphabet, - encoded using the code length Huffman code - - The actual compressed data of the block, - encoded using the literal/length and distance Huffman - codes - - The literal/length symbol 256 (end of data), - encoded using the literal/length Huffman code - - The code length repeat codes can cross from HLIT + 257 to the - HDIST + 1 code lengths. In other words, all code lengths form - a single sequence of HLIT + HDIST + 258 values. - - 3.3. Compliance - - A compressor may limit further the ranges of values specified in - the previous section and still be compliant; for example, it may - limit the range of backward pointers to some value smaller than - 32K. Similarly, a compressor may limit the size of blocks so that - a compressible block fits in memory. - - A compliant decompressor must accept the full range of possible - values defined in the previous section, and must accept blocks of - arbitrary size. - -4. Compression algorithm details - - While it is the intent of this document to define the "deflate" - compressed data format without reference to any particular - compression algorithm, the format is related to the compressed - formats produced by LZ77 (Lempel-Ziv 1977, see reference [2] below); - since many variations of LZ77 are patented, it is strongly - recommended that the implementor of a compressor follow the general - algorithm presented here, which is known not to be patented per se. - The material in this section is not part of the definition of the - - - -Deutsch Informational [Page 14] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - - specification per se, and a compressor need not follow it in order to - be compliant. - - The compressor terminates a block when it determines that starting a - new block with fresh trees would be useful, or when the block size - fills up the compressor's block buffer. - - The compressor uses a chained hash table to find duplicated strings, - using a hash function that operates on 3-byte sequences. At any - given point during compression, let XYZ be the next 3 input bytes to - be examined (not necessarily all different, of course). First, the - compressor examines the hash chain for XYZ. If the chain is empty, - the compressor simply writes out X as a literal byte and advances one - byte in the input. If the hash chain is not empty, indicating that - the sequence XYZ (or, if we are unlucky, some other 3 bytes with the - same hash function value) has occurred recently, the compressor - compares all strings on the XYZ hash chain with the actual input data - sequence starting at the current point, and selects the longest - match. - - The compressor searches the hash chains starting with the most recent - strings, to favor small distances and thus take advantage of the - Huffman encoding. The hash chains are singly linked. There are no - deletions from the hash chains; the algorithm simply discards matches - that are too old. To avoid a worst-case situation, very long hash - chains are arbitrarily truncated at a certain length, determined by a - run-time parameter. - - To improve overall compression, the compressor optionally defers the - selection of matches ("lazy matching"): after a match of length N has - been found, the compressor searches for a longer match starting at - the next input byte. If it finds a longer match, it truncates the - previous match to a length of one (thus producing a single literal - byte) and then emits the longer match. Otherwise, it emits the - original match, and, as described above, advances N bytes before - continuing. - - Run-time parameters also control this "lazy match" procedure. If - compression ratio is most important, the compressor attempts a - complete second search regardless of the length of the first match. - In the normal case, if the current match is "long enough", the - compressor reduces the search for a longer match, thus speeding up - the process. If speed is most important, the compressor inserts new - strings in the hash table only when no match was found, or when the - match is not "too long". This degrades the compression ratio but - saves time since there are both fewer insertions and fewer searches. - - - - - -Deutsch Informational [Page 15] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - -5. References - - [1] Huffman, D. A., "A Method for the Construction of Minimum - Redundancy Codes", Proceedings of the Institute of Radio - Engineers, September 1952, Volume 40, Number 9, pp. 1098-1101. - - [2] Ziv J., Lempel A., "A Universal Algorithm for Sequential Data - Compression", IEEE Transactions on Information Theory, Vol. 23, - No. 3, pp. 337-343. - - [3] Gailly, J.-L., and Adler, M., ZLIB documentation and sources, - available in ftp://ftp.uu.net/pub/archiving/zip/doc/ - - [4] Gailly, J.-L., and Adler, M., GZIP documentation and sources, - available as gzip-*.tar in ftp://prep.ai.mit.edu/pub/gnu/ - - [5] Schwartz, E. S., and Kallick, B. "Generating a canonical prefix - encoding." Comm. ACM, 7,3 (Mar. 1964), pp. 166-169. - - [6] Hirschberg and Lelewer, "Efficient decoding of prefix codes," - Comm. ACM, 33,4, April 1990, pp. 449-459. - -6. Security Considerations - - Any data compression method involves the reduction of redundancy in - the data. Consequently, any corruption of the data is likely to have - severe effects and be difficult to correct. Uncompressed text, on - the other hand, will probably still be readable despite the presence - of some corrupted bytes. - - It is recommended that systems using this data format provide some - means of validating the integrity of the compressed data. See - reference [3], for example. - -7. Source code - - Source code for a C language implementation of a "deflate" compliant - compressor and decompressor is available within the zlib package at - ftp://ftp.uu.net/pub/archiving/zip/zlib/. - -8. Acknowledgements - - Trademarks cited in this document are the property of their - respective owners. - - Phil Katz designed the deflate format. Jean-Loup Gailly and Mark - Adler wrote the related software described in this specification. - Glenn Randers-Pehrson converted this document to RFC and HTML format. - - - -Deutsch Informational [Page 16] - -RFC 1951 DEFLATE Compressed Data Format Specification May 1996 - - -9. Author's Address - - L. Peter Deutsch - Aladdin Enterprises - 203 Santa Margarita Ave. - Menlo Park, CA 94025 - - Phone: (415) 322-0103 (AM only) - FAX: (415) 322-1734 - EMail: - - Questions about the technical content of this specification can be - sent by email to: - - Jean-Loup Gailly and - Mark Adler - - Editorial comments on this specification can be sent by email to: - - L. Peter Deutsch and - Glenn Randers-Pehrson - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Deutsch Informational [Page 17] - diff --git a/deps/zlib/doc/rfc1952.txt b/deps/zlib/doc/rfc1952.txt deleted file mode 100644 index a8e51b4567fd49..00000000000000 --- a/deps/zlib/doc/rfc1952.txt +++ /dev/null @@ -1,675 +0,0 @@ - - - - - - -Network Working Group P. Deutsch -Request for Comments: 1952 Aladdin Enterprises -Category: Informational May 1996 - - - GZIP file format specification version 4.3 - -Status of This Memo - - This memo provides information for the Internet community. This memo - does not specify an Internet standard of any kind. Distribution of - this memo is unlimited. - -IESG Note: - - The IESG takes no position on the validity of any Intellectual - Property Rights statements contained in this document. - -Notices - - Copyright (c) 1996 L. Peter Deutsch - - Permission is granted to copy and distribute this document for any - purpose and without charge, including translations into other - languages and incorporation into compilations, provided that the - copyright notice and this notice are preserved, and that any - substantive changes or deletions from the original are clearly - marked. - - A pointer to the latest version of this and related documentation in - HTML format can be found at the URL - . - -Abstract - - This specification defines a lossless compressed data format that is - compatible with the widely used GZIP utility. The format includes a - cyclic redundancy check value for detecting data corruption. The - format presently uses the DEFLATE method of compression but can be - easily extended to use other compression methods. The format can be - implemented readily in a manner not covered by patents. - - - - - - - - - - -Deutsch Informational [Page 1] - -RFC 1952 GZIP File Format Specification May 1996 - - -Table of Contents - - 1. Introduction ................................................... 2 - 1.1. Purpose ................................................... 2 - 1.2. Intended audience ......................................... 3 - 1.3. Scope ..................................................... 3 - 1.4. Compliance ................................................ 3 - 1.5. Definitions of terms and conventions used ................. 3 - 1.6. Changes from previous versions ............................ 3 - 2. Detailed specification ......................................... 4 - 2.1. Overall conventions ....................................... 4 - 2.2. File format ............................................... 5 - 2.3. Member format ............................................. 5 - 2.3.1. Member header and trailer ........................... 6 - 2.3.1.1. Extra field ................................... 8 - 2.3.1.2. Compliance .................................... 9 - 3. References .................................................. 9 - 4. Security Considerations .................................... 10 - 5. Acknowledgements ........................................... 10 - 6. Author's Address ........................................... 10 - 7. Appendix: Jean-Loup Gailly's gzip utility .................. 11 - 8. Appendix: Sample CRC Code .................................. 11 - -1. Introduction - - 1.1. Purpose - - The purpose of this specification is to define a lossless - compressed data format that: - - * Is independent of CPU type, operating system, file system, - and character set, and hence can be used for interchange; - * Can compress or decompress a data stream (as opposed to a - randomly accessible file) to produce another data stream, - using only an a priori bounded amount of intermediate - storage, and hence can be used in data communications or - similar structures such as Unix filters; - * Compresses data with efficiency comparable to the best - currently available general-purpose compression methods, - and in particular considerably better than the "compress" - program; - * Can be implemented readily in a manner not covered by - patents, and hence can be practiced freely; - * Is compatible with the file format produced by the current - widely used gzip utility, in that conforming decompressors - will be able to read data produced by the existing gzip - compressor. - - - - -Deutsch Informational [Page 2] - -RFC 1952 GZIP File Format Specification May 1996 - - - The data format defined by this specification does not attempt to: - - * Provide random access to compressed data; - * Compress specialized data (e.g., raster graphics) as well as - the best currently available specialized algorithms. - - 1.2. Intended audience - - This specification is intended for use by implementors of software - to compress data into gzip format and/or decompress data from gzip - format. - - The text of the specification assumes a basic background in - programming at the level of bits and other primitive data - representations. - - 1.3. Scope - - The specification specifies a compression method and a file format - (the latter assuming only that a file can store a sequence of - arbitrary bytes). It does not specify any particular interface to - a file system or anything about character sets or encodings - (except for file names and comments, which are optional). - - 1.4. Compliance - - Unless otherwise indicated below, a compliant decompressor must be - able to accept and decompress any file that conforms to all the - specifications presented here; a compliant compressor must produce - files that conform to all the specifications presented here. The - material in the appendices is not part of the specification per se - and is not relevant to compliance. - - 1.5. Definitions of terms and conventions used - - byte: 8 bits stored or transmitted as a unit (same as an octet). - (For this specification, a byte is exactly 8 bits, even on - machines which store a character on a number of bits different - from 8.) See below for the numbering of bits within a byte. - - 1.6. Changes from previous versions - - There have been no technical changes to the gzip format since - version 4.1 of this specification. In version 4.2, some - terminology was changed, and the sample CRC code was rewritten for - clarity and to eliminate the requirement for the caller to do pre- - and post-conditioning. Version 4.3 is a conversion of the - specification to RFC style. - - - -Deutsch Informational [Page 3] - -RFC 1952 GZIP File Format Specification May 1996 - - -2. Detailed specification - - 2.1. Overall conventions - - In the diagrams below, a box like this: - - +---+ - | | <-- the vertical bars might be missing - +---+ - - represents one byte; a box like this: - - +==============+ - | | - +==============+ - - represents a variable number of bytes. - - Bytes stored within a computer do not have a "bit order", since - they are always treated as a unit. However, a byte considered as - an integer between 0 and 255 does have a most- and least- - significant bit, and since we write numbers with the most- - significant digit on the left, we also write bytes with the most- - significant bit on the left. In the diagrams below, we number the - bits of a byte so that bit 0 is the least-significant bit, i.e., - the bits are numbered: - - +--------+ - |76543210| - +--------+ - - This document does not address the issue of the order in which - bits of a byte are transmitted on a bit-sequential medium, since - the data format described here is byte- rather than bit-oriented. - - Within a computer, a number may occupy multiple bytes. All - multi-byte numbers in the format described here are stored with - the least-significant byte first (at the lower memory address). - For example, the decimal number 520 is stored as: - - 0 1 - +--------+--------+ - |00001000|00000010| - +--------+--------+ - ^ ^ - | | - | + more significant byte = 2 x 256 - + less significant byte = 8 - - - -Deutsch Informational [Page 4] - -RFC 1952 GZIP File Format Specification May 1996 - - - 2.2. File format - - A gzip file consists of a series of "members" (compressed data - sets). The format of each member is specified in the following - section. The members simply appear one after another in the file, - with no additional information before, between, or after them. - - 2.3. Member format - - Each member has the following structure: - - +---+---+---+---+---+---+---+---+---+---+ - |ID1|ID2|CM |FLG| MTIME |XFL|OS | (more-->) - +---+---+---+---+---+---+---+---+---+---+ - - (if FLG.FEXTRA set) - - +---+---+=================================+ - | XLEN |...XLEN bytes of "extra field"...| (more-->) - +---+---+=================================+ - - (if FLG.FNAME set) - - +=========================================+ - |...original file name, zero-terminated...| (more-->) - +=========================================+ - - (if FLG.FCOMMENT set) - - +===================================+ - |...file comment, zero-terminated...| (more-->) - +===================================+ - - (if FLG.FHCRC set) - - +---+---+ - | CRC16 | - +---+---+ - - +=======================+ - |...compressed blocks...| (more-->) - +=======================+ - - 0 1 2 3 4 5 6 7 - +---+---+---+---+---+---+---+---+ - | CRC32 | ISIZE | - +---+---+---+---+---+---+---+---+ - - - - -Deutsch Informational [Page 5] - -RFC 1952 GZIP File Format Specification May 1996 - - - 2.3.1. Member header and trailer - - ID1 (IDentification 1) - ID2 (IDentification 2) - These have the fixed values ID1 = 31 (0x1f, \037), ID2 = 139 - (0x8b, \213), to identify the file as being in gzip format. - - CM (Compression Method) - This identifies the compression method used in the file. CM - = 0-7 are reserved. CM = 8 denotes the "deflate" - compression method, which is the one customarily used by - gzip and which is documented elsewhere. - - FLG (FLaGs) - This flag byte is divided into individual bits as follows: - - bit 0 FTEXT - bit 1 FHCRC - bit 2 FEXTRA - bit 3 FNAME - bit 4 FCOMMENT - bit 5 reserved - bit 6 reserved - bit 7 reserved - - If FTEXT is set, the file is probably ASCII text. This is - an optional indication, which the compressor may set by - checking a small amount of the input data to see whether any - non-ASCII characters are present. In case of doubt, FTEXT - is cleared, indicating binary data. For systems which have - different file formats for ascii text and binary data, the - decompressor can use FTEXT to choose the appropriate format. - We deliberately do not specify the algorithm used to set - this bit, since a compressor always has the option of - leaving it cleared and a decompressor always has the option - of ignoring it and letting some other program handle issues - of data conversion. - - If FHCRC is set, a CRC16 for the gzip header is present, - immediately before the compressed data. The CRC16 consists - of the two least significant bytes of the CRC32 for all - bytes of the gzip header up to and not including the CRC16. - [The FHCRC bit was never set by versions of gzip up to - 1.2.4, even though it was documented with a different - meaning in gzip 1.2.4.] - - If FEXTRA is set, optional extra fields are present, as - described in a following section. - - - -Deutsch Informational [Page 6] - -RFC 1952 GZIP File Format Specification May 1996 - - - If FNAME is set, an original file name is present, - terminated by a zero byte. The name must consist of ISO - 8859-1 (LATIN-1) characters; on operating systems using - EBCDIC or any other character set for file names, the name - must be translated to the ISO LATIN-1 character set. This - is the original name of the file being compressed, with any - directory components removed, and, if the file being - compressed is on a file system with case insensitive names, - forced to lower case. There is no original file name if the - data was compressed from a source other than a named file; - for example, if the source was stdin on a Unix system, there - is no file name. - - If FCOMMENT is set, a zero-terminated file comment is - present. This comment is not interpreted; it is only - intended for human consumption. The comment must consist of - ISO 8859-1 (LATIN-1) characters. Line breaks should be - denoted by a single line feed character (10 decimal). - - Reserved FLG bits must be zero. - - MTIME (Modification TIME) - This gives the most recent modification time of the original - file being compressed. The time is in Unix format, i.e., - seconds since 00:00:00 GMT, Jan. 1, 1970. (Note that this - may cause problems for MS-DOS and other systems that use - local rather than Universal time.) If the compressed data - did not come from a file, MTIME is set to the time at which - compression started. MTIME = 0 means no time stamp is - available. - - XFL (eXtra FLags) - These flags are available for use by specific compression - methods. The "deflate" method (CM = 8) sets these flags as - follows: - - XFL = 2 - compressor used maximum compression, - slowest algorithm - XFL = 4 - compressor used fastest algorithm - - OS (Operating System) - This identifies the type of file system on which compression - took place. This may be useful in determining end-of-line - convention for text files. The currently defined values are - as follows: - - - - - - -Deutsch Informational [Page 7] - -RFC 1952 GZIP File Format Specification May 1996 - - - 0 - FAT filesystem (MS-DOS, OS/2, NT/Win32) - 1 - Amiga - 2 - VMS (or OpenVMS) - 3 - Unix - 4 - VM/CMS - 5 - Atari TOS - 6 - HPFS filesystem (OS/2, NT) - 7 - Macintosh - 8 - Z-System - 9 - CP/M - 10 - TOPS-20 - 11 - NTFS filesystem (NT) - 12 - QDOS - 13 - Acorn RISCOS - 255 - unknown - - XLEN (eXtra LENgth) - If FLG.FEXTRA is set, this gives the length of the optional - extra field. See below for details. - - CRC32 (CRC-32) - This contains a Cyclic Redundancy Check value of the - uncompressed data computed according to CRC-32 algorithm - used in the ISO 3309 standard and in section 8.1.1.6.2 of - ITU-T recommendation V.42. (See http://www.iso.ch for - ordering ISO documents. See gopher://info.itu.ch for an - online version of ITU-T V.42.) - - ISIZE (Input SIZE) - This contains the size of the original (uncompressed) input - data modulo 2^32. - - 2.3.1.1. Extra field - - If the FLG.FEXTRA bit is set, an "extra field" is present in - the header, with total length XLEN bytes. It consists of a - series of subfields, each of the form: - - +---+---+---+---+==================================+ - |SI1|SI2| LEN |... LEN bytes of subfield data ...| - +---+---+---+---+==================================+ - - SI1 and SI2 provide a subfield ID, typically two ASCII letters - with some mnemonic value. Jean-Loup Gailly - is maintaining a registry of subfield - IDs; please send him any subfield ID you wish to use. Subfield - IDs with SI2 = 0 are reserved for future use. The following - IDs are currently defined: - - - -Deutsch Informational [Page 8] - -RFC 1952 GZIP File Format Specification May 1996 - - - SI1 SI2 Data - ---------- ---------- ---- - 0x41 ('A') 0x70 ('P') Apollo file type information - - LEN gives the length of the subfield data, excluding the 4 - initial bytes. - - 2.3.1.2. Compliance - - A compliant compressor must produce files with correct ID1, - ID2, CM, CRC32, and ISIZE, but may set all the other fields in - the fixed-length part of the header to default values (255 for - OS, 0 for all others). The compressor must set all reserved - bits to zero. - - A compliant decompressor must check ID1, ID2, and CM, and - provide an error indication if any of these have incorrect - values. It must examine FEXTRA/XLEN, FNAME, FCOMMENT and FHCRC - at least so it can skip over the optional fields if they are - present. It need not examine any other part of the header or - trailer; in particular, a decompressor may ignore FTEXT and OS - and always produce binary output, and still be compliant. A - compliant decompressor must give an error indication if any - reserved bit is non-zero, since such a bit could indicate the - presence of a new field that would cause subsequent data to be - interpreted incorrectly. - -3. References - - [1] "Information Processing - 8-bit single-byte coded graphic - character sets - Part 1: Latin alphabet No.1" (ISO 8859-1:1987). - The ISO 8859-1 (Latin-1) character set is a superset of 7-bit - ASCII. Files defining this character set are available as - iso_8859-1.* in ftp://ftp.uu.net/graphics/png/documents/ - - [2] ISO 3309 - - [3] ITU-T recommendation V.42 - - [4] Deutsch, L.P.,"DEFLATE Compressed Data Format Specification", - available in ftp://ftp.uu.net/pub/archiving/zip/doc/ - - [5] Gailly, J.-L., GZIP documentation, available as gzip-*.tar in - ftp://prep.ai.mit.edu/pub/gnu/ - - [6] Sarwate, D.V., "Computation of Cyclic Redundancy Checks via Table - Look-Up", Communications of the ACM, 31(8), pp.1008-1013. - - - - -Deutsch Informational [Page 9] - -RFC 1952 GZIP File Format Specification May 1996 - - - [7] Schwaderer, W.D., "CRC Calculation", April 85 PC Tech Journal, - pp.118-133. - - [8] ftp://ftp.adelaide.edu.au/pub/rocksoft/papers/crc_v3.txt, - describing the CRC concept. - -4. Security Considerations - - Any data compression method involves the reduction of redundancy in - the data. Consequently, any corruption of the data is likely to have - severe effects and be difficult to correct. Uncompressed text, on - the other hand, will probably still be readable despite the presence - of some corrupted bytes. - - It is recommended that systems using this data format provide some - means of validating the integrity of the compressed data, such as by - setting and checking the CRC-32 check value. - -5. Acknowledgements - - Trademarks cited in this document are the property of their - respective owners. - - Jean-Loup Gailly designed the gzip format and wrote, with Mark Adler, - the related software described in this specification. Glenn - Randers-Pehrson converted this document to RFC and HTML format. - -6. Author's Address - - L. Peter Deutsch - Aladdin Enterprises - 203 Santa Margarita Ave. - Menlo Park, CA 94025 - - Phone: (415) 322-0103 (AM only) - FAX: (415) 322-1734 - EMail: - - Questions about the technical content of this specification can be - sent by email to: - - Jean-Loup Gailly and - Mark Adler - - Editorial comments on this specification can be sent by email to: - - L. Peter Deutsch and - Glenn Randers-Pehrson - - - -Deutsch Informational [Page 10] - -RFC 1952 GZIP File Format Specification May 1996 - - -7. Appendix: Jean-Loup Gailly's gzip utility - - The most widely used implementation of gzip compression, and the - original documentation on which this specification is based, were - created by Jean-Loup Gailly . Since this - implementation is a de facto standard, we mention some more of its - features here. Again, the material in this section is not part of - the specification per se, and implementations need not follow it to - be compliant. - - When compressing or decompressing a file, gzip preserves the - protection, ownership, and modification time attributes on the local - file system, since there is no provision for representing protection - attributes in the gzip file format itself. Since the file format - includes a modification time, the gzip decompressor provides a - command line switch that assigns the modification time from the file, - rather than the local modification time of the compressed input, to - the decompressed output. - -8. Appendix: Sample CRC Code - - The following sample code represents a practical implementation of - the CRC (Cyclic Redundancy Check). (See also ISO 3309 and ITU-T V.42 - for a formal specification.) - - The sample code is in the ANSI C programming language. Non C users - may find it easier to read with these hints: - - & Bitwise AND operator. - ^ Bitwise exclusive-OR operator. - >> Bitwise right shift operator. When applied to an - unsigned quantity, as here, right shift inserts zero - bit(s) at the left. - ! Logical NOT operator. - ++ "n++" increments the variable n. - 0xNNN 0x introduces a hexadecimal (base 16) constant. - Suffix L indicates a long value (at least 32 bits). - - /* Table of CRCs of all 8-bit messages. */ - unsigned long crc_table[256]; - - /* Flag: has the table been computed? Initially false. */ - int crc_table_computed = 0; - - /* Make the table for a fast CRC. */ - void make_crc_table(void) - { - unsigned long c; - - - -Deutsch Informational [Page 11] - -RFC 1952 GZIP File Format Specification May 1996 - - - int n, k; - for (n = 0; n < 256; n++) { - c = (unsigned long) n; - for (k = 0; k < 8; k++) { - if (c & 1) { - c = 0xedb88320L ^ (c >> 1); - } else { - c = c >> 1; - } - } - crc_table[n] = c; - } - crc_table_computed = 1; - } - - /* - Update a running crc with the bytes buf[0..len-1] and return - the updated crc. The crc should be initialized to zero. Pre- and - post-conditioning (one's complement) is performed within this - function so it shouldn't be done by the caller. Usage example: - - unsigned long crc = 0L; - - while (read_buffer(buffer, length) != EOF) { - crc = update_crc(crc, buffer, length); - } - if (crc != original_crc) error(); - */ - unsigned long update_crc(unsigned long crc, - unsigned char *buf, int len) - { - unsigned long c = crc ^ 0xffffffffL; - int n; - - if (!crc_table_computed) - make_crc_table(); - for (n = 0; n < len; n++) { - c = crc_table[(c ^ buf[n]) & 0xff] ^ (c >> 8); - } - return c ^ 0xffffffffL; - } - - /* Return the CRC of the bytes buf[0..len-1]. */ - unsigned long crc(unsigned char *buf, int len) - { - return update_crc(0L, buf, len); - } - - - - -Deutsch Informational [Page 12] - diff --git a/deps/zlib/doc/txtvsbin.txt b/deps/zlib/doc/txtvsbin.txt deleted file mode 100644 index 3d0f0634f72e64..00000000000000 --- a/deps/zlib/doc/txtvsbin.txt +++ /dev/null @@ -1,107 +0,0 @@ -A Fast Method for Identifying Plain Text Files -============================================== - - -Introduction ------------- - -Given a file coming from an unknown source, it is sometimes desirable -to find out whether the format of that file is plain text. Although -this may appear like a simple task, a fully accurate detection of the -file type requires heavy-duty semantic analysis on the file contents. -It is, however, possible to obtain satisfactory results by employing -various heuristics. - -Previous versions of PKZip and other zip-compatible compression tools -were using a crude detection scheme: if more than 80% (4/5) of the bytes -found in a certain buffer are within the range [7..127], the file is -labeled as plain text, otherwise it is labeled as binary. A prominent -limitation of this scheme is the restriction to Latin-based alphabets. -Other alphabets, like Greek, Cyrillic or Asian, make extensive use of -the bytes within the range [128..255], and texts using these alphabets -are most often misidentified by this scheme; in other words, the rate -of false negatives is sometimes too high, which means that the recall -is low. Another weakness of this scheme is a reduced precision, due to -the false positives that may occur when binary files containing large -amounts of textual characters are misidentified as plain text. - -In this article we propose a new, simple detection scheme that features -a much increased precision and a near-100% recall. This scheme is -designed to work on ASCII, Unicode and other ASCII-derived alphabets, -and it handles single-byte encodings (ISO-8859, MacRoman, KOI8, etc.) -and variable-sized encodings (ISO-2022, UTF-8, etc.). Wider encodings -(UCS-2/UTF-16 and UCS-4/UTF-32) are not handled, however. - - -The Algorithm -------------- - -The algorithm works by dividing the set of bytecodes [0..255] into three -categories: -- The white list of textual bytecodes: - 9 (TAB), 10 (LF), 13 (CR), 32 (SPACE) to 255. -- The gray list of tolerated bytecodes: - 7 (BEL), 8 (BS), 11 (VT), 12 (FF), 26 (SUB), 27 (ESC). -- The black list of undesired, non-textual bytecodes: - 0 (NUL) to 6, 14 to 31. - -If a file contains at least one byte that belongs to the white list and -no byte that belongs to the black list, then the file is categorized as -plain text; otherwise, it is categorized as binary. (The boundary case, -when the file is empty, automatically falls into the latter category.) - - -Rationale ---------- - -The idea behind this algorithm relies on two observations. - -The first observation is that, although the full range of 7-bit codes -[0..127] is properly specified by the ASCII standard, most control -characters in the range [0..31] are not used in practice. The only -widely-used, almost universally-portable control codes are 9 (TAB), -10 (LF) and 13 (CR). There are a few more control codes that are -recognized on a reduced range of platforms and text viewers/editors: -7 (BEL), 8 (BS), 11 (VT), 12 (FF), 26 (SUB) and 27 (ESC); but these -codes are rarely (if ever) used alone, without being accompanied by -some printable text. Even the newer, portable text formats such as -XML avoid using control characters outside the list mentioned here. - -The second observation is that most of the binary files tend to contain -control characters, especially 0 (NUL). Even though the older text -detection schemes observe the presence of non-ASCII codes from the range -[128..255], the precision rarely has to suffer if this upper range is -labeled as textual, because the files that are genuinely binary tend to -contain both control characters and codes from the upper range. On the -other hand, the upper range needs to be labeled as textual, because it -is used by virtually all ASCII extensions. In particular, this range is -used for encoding non-Latin scripts. - -Since there is no counting involved, other than simply observing the -presence or the absence of some byte values, the algorithm produces -consistent results, regardless what alphabet encoding is being used. -(If counting were involved, it could be possible to obtain different -results on a text encoded, say, using ISO-8859-16 versus UTF-8.) - -There is an extra category of plain text files that are "polluted" with -one or more black-listed codes, either by mistake or by peculiar design -considerations. In such cases, a scheme that tolerates a small fraction -of black-listed codes would provide an increased recall (i.e. more true -positives). This, however, incurs a reduced precision overall, since -false positives are more likely to appear in binary files that contain -large chunks of textual data. Furthermore, "polluted" plain text should -be regarded as binary by general-purpose text detection schemes, because -general-purpose text processing algorithms might not be applicable. -Under this premise, it is safe to say that our detection method provides -a near-100% recall. - -Experiments have been run on many files coming from various platforms -and applications. We tried plain text files, system logs, source code, -formatted office documents, compiled object code, etc. The results -confirm the optimistic assumptions about the capabilities of this -algorithm. - - --- -Cosmin Truta -Last updated: 2006-May-28 diff --git a/deps/zlib/examples/README.examples b/deps/zlib/examples/README.examples deleted file mode 100644 index 56a31714e566aa..00000000000000 --- a/deps/zlib/examples/README.examples +++ /dev/null @@ -1,49 +0,0 @@ -This directory contains examples of the use of zlib and other relevant -programs and documentation. - -enough.c - calculation and justification of ENOUGH parameter in inftrees.h - - calculates the maximum table space used in inflate tree - construction over all possible Huffman codes - -fitblk.c - compress just enough input to nearly fill a requested output size - - zlib isn't designed to do this, but fitblk does it anyway - -gun.c - uncompress a gzip file - - illustrates the use of inflateBack() for high speed file-to-file - decompression using call-back functions - - is approximately twice as fast as gzip -d - - also provides Unix uncompress functionality, again twice as fast - -gzappend.c - append to a gzip file - - illustrates the use of the Z_BLOCK flush parameter for inflate() - - illustrates the use of deflatePrime() to start at any bit - -gzjoin.c - join gzip files without recalculating the crc or recompressing - - illustrates the use of the Z_BLOCK flush parameter for inflate() - - illustrates the use of crc32_combine() - -gzlog.c -gzlog.h - efficiently and robustly maintain a message log file in gzip format - - illustrates use of raw deflate, Z_PARTIAL_FLUSH, deflatePrime(), - and deflateSetDictionary() - - illustrates use of a gzip header extra field - -zlib_how.html - painfully comprehensive description of zpipe.c (see below) - - describes in excruciating detail the use of deflate() and inflate() - -zpipe.c - reads and writes zlib streams from stdin to stdout - - illustrates the proper use of deflate() and inflate() - - deeply commented in zlib_how.html (see above) - -zran.c - index a zlib or gzip stream and randomly access it - - illustrates the use of Z_BLOCK, inflatePrime(), and - inflateSetDictionary() to provide random access diff --git a/deps/zlib/examples/enough.c b/deps/zlib/examples/enough.c deleted file mode 100644 index b991144305253c..00000000000000 --- a/deps/zlib/examples/enough.c +++ /dev/null @@ -1,572 +0,0 @@ -/* enough.c -- determine the maximum size of inflate's Huffman code tables over - * all possible valid and complete Huffman codes, subject to a length limit. - * Copyright (C) 2007, 2008, 2012 Mark Adler - * Version 1.4 18 August 2012 Mark Adler - */ - -/* Version history: - 1.0 3 Jan 2007 First version (derived from codecount.c version 1.4) - 1.1 4 Jan 2007 Use faster incremental table usage computation - Prune examine() search on previously visited states - 1.2 5 Jan 2007 Comments clean up - As inflate does, decrease root for short codes - Refuse cases where inflate would increase root - 1.3 17 Feb 2008 Add argument for initial root table size - Fix bug for initial root table size == max - 1 - Use a macro to compute the history index - 1.4 18 Aug 2012 Avoid shifts more than bits in type (caused endless loop!) - Clean up comparisons of different types - Clean up code indentation - */ - -/* - Examine all possible Huffman codes for a given number of symbols and a - maximum code length in bits to determine the maximum table size for zilb's - inflate. Only complete Huffman codes are counted. - - Two codes are considered distinct if the vectors of the number of codes per - length are not identical. So permutations of the symbol assignments result - in the same code for the counting, as do permutations of the assignments of - the bit values to the codes (i.e. only canonical codes are counted). - - We build a code from shorter to longer lengths, determining how many symbols - are coded at each length. At each step, we have how many symbols remain to - be coded, what the last code length used was, and how many bit patterns of - that length remain unused. Then we add one to the code length and double the - number of unused patterns to graduate to the next code length. We then - assign all portions of the remaining symbols to that code length that - preserve the properties of a correct and eventually complete code. Those - properties are: we cannot use more bit patterns than are available; and when - all the symbols are used, there are exactly zero possible bit patterns - remaining. - - The inflate Huffman decoding algorithm uses two-level lookup tables for - speed. There is a single first-level table to decode codes up to root bits - in length (root == 9 in the current inflate implementation). The table - has 1 << root entries and is indexed by the next root bits of input. Codes - shorter than root bits have replicated table entries, so that the correct - entry is pointed to regardless of the bits that follow the short code. If - the code is longer than root bits, then the table entry points to a second- - level table. The size of that table is determined by the longest code with - that root-bit prefix. If that longest code has length len, then the table - has size 1 << (len - root), to index the remaining bits in that set of - codes. Each subsequent root-bit prefix then has its own sub-table. The - total number of table entries required by the code is calculated - incrementally as the number of codes at each bit length is populated. When - all of the codes are shorter than root bits, then root is reduced to the - longest code length, resulting in a single, smaller, one-level table. - - The inflate algorithm also provides for small values of root (relative to - the log2 of the number of symbols), where the shortest code has more bits - than root. In that case, root is increased to the length of the shortest - code. This program, by design, does not handle that case, so it is verified - that the number of symbols is less than 2^(root + 1). - - In order to speed up the examination (by about ten orders of magnitude for - the default arguments), the intermediate states in the build-up of a code - are remembered and previously visited branches are pruned. The memory - required for this will increase rapidly with the total number of symbols and - the maximum code length in bits. However this is a very small price to pay - for the vast speedup. - - First, all of the possible Huffman codes are counted, and reachable - intermediate states are noted by a non-zero count in a saved-results array. - Second, the intermediate states that lead to (root + 1) bit or longer codes - are used to look at all sub-codes from those junctures for their inflate - memory usage. (The amount of memory used is not affected by the number of - codes of root bits or less in length.) Third, the visited states in the - construction of those sub-codes and the associated calculation of the table - size is recalled in order to avoid recalculating from the same juncture. - Beginning the code examination at (root + 1) bit codes, which is enabled by - identifying the reachable nodes, accounts for about six of the orders of - magnitude of improvement for the default arguments. About another four - orders of magnitude come from not revisiting previous states. Out of - approximately 2x10^16 possible Huffman codes, only about 2x10^6 sub-codes - need to be examined to cover all of the possible table memory usage cases - for the default arguments of 286 symbols limited to 15-bit codes. - - Note that an unsigned long long type is used for counting. It is quite easy - to exceed the capacity of an eight-byte integer with a large number of - symbols and a large maximum code length, so multiple-precision arithmetic - would need to replace the unsigned long long arithmetic in that case. This - program will abort if an overflow occurs. The big_t type identifies where - the counting takes place. - - An unsigned long long type is also used for calculating the number of - possible codes remaining at the maximum length. This limits the maximum - code length to the number of bits in a long long minus the number of bits - needed to represent the symbols in a flat code. The code_t type identifies - where the bit pattern counting takes place. - */ - -#include -#include -#include -#include - -#define local static - -/* special data types */ -typedef unsigned long long big_t; /* type for code counting */ -typedef unsigned long long code_t; /* type for bit pattern counting */ -struct tab { /* type for been here check */ - size_t len; /* length of bit vector in char's */ - char *vec; /* allocated bit vector */ -}; - -/* The array for saving results, num[], is indexed with this triplet: - - syms: number of symbols remaining to code - left: number of available bit patterns at length len - len: number of bits in the codes currently being assigned - - Those indices are constrained thusly when saving results: - - syms: 3..totsym (totsym == total symbols to code) - left: 2..syms - 1, but only the evens (so syms == 8 -> 2, 4, 6) - len: 1..max - 1 (max == maximum code length in bits) - - syms == 2 is not saved since that immediately leads to a single code. left - must be even, since it represents the number of available bit patterns at - the current length, which is double the number at the previous length. - left ends at syms-1 since left == syms immediately results in a single code. - (left > sym is not allowed since that would result in an incomplete code.) - len is less than max, since the code completes immediately when len == max. - - The offset into the array is calculated for the three indices with the - first one (syms) being outermost, and the last one (len) being innermost. - We build the array with length max-1 lists for the len index, with syms-3 - of those for each symbol. There are totsym-2 of those, with each one - varying in length as a function of sym. See the calculation of index in - count() for the index, and the calculation of size in main() for the size - of the array. - - For the deflate example of 286 symbols limited to 15-bit codes, the array - has 284,284 entries, taking up 2.17 MB for an 8-byte big_t. More than - half of the space allocated for saved results is actually used -- not all - possible triplets are reached in the generation of valid Huffman codes. - */ - -/* The array for tracking visited states, done[], is itself indexed identically - to the num[] array as described above for the (syms, left, len) triplet. - Each element in the array is further indexed by the (mem, rem) doublet, - where mem is the amount of inflate table space used so far, and rem is the - remaining unused entries in the current inflate sub-table. Each indexed - element is simply one bit indicating whether the state has been visited or - not. Since the ranges for mem and rem are not known a priori, each bit - vector is of a variable size, and grows as needed to accommodate the visited - states. mem and rem are used to calculate a single index in a triangular - array. Since the range of mem is expected in the default case to be about - ten times larger than the range of rem, the array is skewed to reduce the - memory usage, with eight times the range for mem than for rem. See the - calculations for offset and bit in beenhere() for the details. - - For the deflate example of 286 symbols limited to 15-bit codes, the bit - vectors grow to total approximately 21 MB, in addition to the 4.3 MB done[] - array itself. - */ - -/* Globals to avoid propagating constants or constant pointers recursively */ -local int max; /* maximum allowed bit length for the codes */ -local int root; /* size of base code table in bits */ -local int large; /* largest code table so far */ -local size_t size; /* number of elements in num and done */ -local int *code; /* number of symbols assigned to each bit length */ -local big_t *num; /* saved results array for code counting */ -local struct tab *done; /* states already evaluated array */ - -/* Index function for num[] and done[] */ -#define INDEX(i,j,k) (((size_t)((i-1)>>1)*((i-2)>>1)+(j>>1)-1)*(max-1)+k-1) - -/* Free allocated space. Uses globals code, num, and done. */ -local void cleanup(void) -{ - size_t n; - - if (done != NULL) { - for (n = 0; n < size; n++) - if (done[n].len) - free(done[n].vec); - free(done); - } - if (num != NULL) - free(num); - if (code != NULL) - free(code); -} - -/* Return the number of possible Huffman codes using bit patterns of lengths - len through max inclusive, coding syms symbols, with left bit patterns of - length len unused -- return -1 if there is an overflow in the counting. - Keep a record of previous results in num to prevent repeating the same - calculation. Uses the globals max and num. */ -local big_t count(int syms, int len, int left) -{ - big_t sum; /* number of possible codes from this juncture */ - big_t got; /* value returned from count() */ - int least; /* least number of syms to use at this juncture */ - int most; /* most number of syms to use at this juncture */ - int use; /* number of bit patterns to use in next call */ - size_t index; /* index of this case in *num */ - - /* see if only one possible code */ - if (syms == left) - return 1; - - /* note and verify the expected state */ - assert(syms > left && left > 0 && len < max); - - /* see if we've done this one already */ - index = INDEX(syms, left, len); - got = num[index]; - if (got) - return got; /* we have -- return the saved result */ - - /* we need to use at least this many bit patterns so that the code won't be - incomplete at the next length (more bit patterns than symbols) */ - least = (left << 1) - syms; - if (least < 0) - least = 0; - - /* we can use at most this many bit patterns, lest there not be enough - available for the remaining symbols at the maximum length (if there were - no limit to the code length, this would become: most = left - 1) */ - most = (((code_t)left << (max - len)) - syms) / - (((code_t)1 << (max - len)) - 1); - - /* count all possible codes from this juncture and add them up */ - sum = 0; - for (use = least; use <= most; use++) { - got = count(syms - use, len + 1, (left - use) << 1); - sum += got; - if (got == (big_t)0 - 1 || sum < got) /* overflow */ - return (big_t)0 - 1; - } - - /* verify that all recursive calls are productive */ - assert(sum != 0); - - /* save the result and return it */ - num[index] = sum; - return sum; -} - -/* Return true if we've been here before, set to true if not. Set a bit in a - bit vector to indicate visiting this state. Each (syms,len,left) state - has a variable size bit vector indexed by (mem,rem). The bit vector is - lengthened if needed to allow setting the (mem,rem) bit. */ -local int beenhere(int syms, int len, int left, int mem, int rem) -{ - size_t index; /* index for this state's bit vector */ - size_t offset; /* offset in this state's bit vector */ - int bit; /* mask for this state's bit */ - size_t length; /* length of the bit vector in bytes */ - char *vector; /* new or enlarged bit vector */ - - /* point to vector for (syms,left,len), bit in vector for (mem,rem) */ - index = INDEX(syms, left, len); - mem -= 1 << root; - offset = (mem >> 3) + rem; - offset = ((offset * (offset + 1)) >> 1) + rem; - bit = 1 << (mem & 7); - - /* see if we've been here */ - length = done[index].len; - if (offset < length && (done[index].vec[offset] & bit) != 0) - return 1; /* done this! */ - - /* we haven't been here before -- set the bit to show we have now */ - - /* see if we need to lengthen the vector in order to set the bit */ - if (length <= offset) { - /* if we have one already, enlarge it, zero out the appended space */ - if (length) { - do { - length <<= 1; - } while (length <= offset); - vector = realloc(done[index].vec, length); - if (vector != NULL) - memset(vector + done[index].len, 0, length - done[index].len); - } - - /* otherwise we need to make a new vector and zero it out */ - else { - length = 1 << (len - root); - while (length <= offset) - length <<= 1; - vector = calloc(length, sizeof(char)); - } - - /* in either case, bail if we can't get the memory */ - if (vector == NULL) { - fputs("abort: unable to allocate enough memory\n", stderr); - cleanup(); - exit(1); - } - - /* install the new vector */ - done[index].len = length; - done[index].vec = vector; - } - - /* set the bit */ - done[index].vec[offset] |= bit; - return 0; -} - -/* Examine all possible codes from the given node (syms, len, left). Compute - the amount of memory required to build inflate's decoding tables, where the - number of code structures used so far is mem, and the number remaining in - the current sub-table is rem. Uses the globals max, code, root, large, and - done. */ -local void examine(int syms, int len, int left, int mem, int rem) -{ - int least; /* least number of syms to use at this juncture */ - int most; /* most number of syms to use at this juncture */ - int use; /* number of bit patterns to use in next call */ - - /* see if we have a complete code */ - if (syms == left) { - /* set the last code entry */ - code[len] = left; - - /* complete computation of memory used by this code */ - while (rem < left) { - left -= rem; - rem = 1 << (len - root); - mem += rem; - } - assert(rem == left); - - /* if this is a new maximum, show the entries used and the sub-code */ - if (mem > large) { - large = mem; - printf("max %d: ", mem); - for (use = root + 1; use <= max; use++) - if (code[use]) - printf("%d[%d] ", code[use], use); - putchar('\n'); - fflush(stdout); - } - - /* remove entries as we drop back down in the recursion */ - code[len] = 0; - return; - } - - /* prune the tree if we can */ - if (beenhere(syms, len, left, mem, rem)) - return; - - /* we need to use at least this many bit patterns so that the code won't be - incomplete at the next length (more bit patterns than symbols) */ - least = (left << 1) - syms; - if (least < 0) - least = 0; - - /* we can use at most this many bit patterns, lest there not be enough - available for the remaining symbols at the maximum length (if there were - no limit to the code length, this would become: most = left - 1) */ - most = (((code_t)left << (max - len)) - syms) / - (((code_t)1 << (max - len)) - 1); - - /* occupy least table spaces, creating new sub-tables as needed */ - use = least; - while (rem < use) { - use -= rem; - rem = 1 << (len - root); - mem += rem; - } - rem -= use; - - /* examine codes from here, updating table space as we go */ - for (use = least; use <= most; use++) { - code[len] = use; - examine(syms - use, len + 1, (left - use) << 1, - mem + (rem ? 1 << (len - root) : 0), rem << 1); - if (rem == 0) { - rem = 1 << (len - root); - mem += rem; - } - rem--; - } - - /* remove entries as we drop back down in the recursion */ - code[len] = 0; -} - -/* Look at all sub-codes starting with root + 1 bits. Look at only the valid - intermediate code states (syms, left, len). For each completed code, - calculate the amount of memory required by inflate to build the decoding - tables. Find the maximum amount of memory required and show the code that - requires that maximum. Uses the globals max, root, and num. */ -local void enough(int syms) -{ - int n; /* number of remaing symbols for this node */ - int left; /* number of unused bit patterns at this length */ - size_t index; /* index of this case in *num */ - - /* clear code */ - for (n = 0; n <= max; n++) - code[n] = 0; - - /* look at all (root + 1) bit and longer codes */ - large = 1 << root; /* base table */ - if (root < max) /* otherwise, there's only a base table */ - for (n = 3; n <= syms; n++) - for (left = 2; left < n; left += 2) - { - /* look at all reachable (root + 1) bit nodes, and the - resulting codes (complete at root + 2 or more) */ - index = INDEX(n, left, root + 1); - if (root + 1 < max && num[index]) /* reachable node */ - examine(n, root + 1, left, 1 << root, 0); - - /* also look at root bit codes with completions at root + 1 - bits (not saved in num, since complete), just in case */ - if (num[index - 1] && n <= left << 1) - examine((n - left) << 1, root + 1, (n - left) << 1, - 1 << root, 0); - } - - /* done */ - printf("done: maximum of %d table entries\n", large); -} - -/* - Examine and show the total number of possible Huffman codes for a given - maximum number of symbols, initial root table size, and maximum code length - in bits -- those are the command arguments in that order. The default - values are 286, 9, and 15 respectively, for the deflate literal/length code. - The possible codes are counted for each number of coded symbols from two to - the maximum. The counts for each of those and the total number of codes are - shown. The maximum number of inflate table entires is then calculated - across all possible codes. Each new maximum number of table entries and the - associated sub-code (starting at root + 1 == 10 bits) is shown. - - To count and examine Huffman codes that are not length-limited, provide a - maximum length equal to the number of symbols minus one. - - For the deflate literal/length code, use "enough". For the deflate distance - code, use "enough 30 6". - - This uses the %llu printf format to print big_t numbers, which assumes that - big_t is an unsigned long long. If the big_t type is changed (for example - to a multiple precision type), the method of printing will also need to be - updated. - */ -int main(int argc, char **argv) -{ - int syms; /* total number of symbols to code */ - int n; /* number of symbols to code for this run */ - big_t got; /* return value of count() */ - big_t sum; /* accumulated number of codes over n */ - code_t word; /* for counting bits in code_t */ - - /* set up globals for cleanup() */ - code = NULL; - num = NULL; - done = NULL; - - /* get arguments -- default to the deflate literal/length code */ - syms = 286; - root = 9; - max = 15; - if (argc > 1) { - syms = atoi(argv[1]); - if (argc > 2) { - root = atoi(argv[2]); - if (argc > 3) - max = atoi(argv[3]); - } - } - if (argc > 4 || syms < 2 || root < 1 || max < 1) { - fputs("invalid arguments, need: [sym >= 2 [root >= 1 [max >= 1]]]\n", - stderr); - return 1; - } - - /* if not restricting the code length, the longest is syms - 1 */ - if (max > syms - 1) - max = syms - 1; - - /* determine the number of bits in a code_t */ - for (n = 0, word = 1; word; n++, word <<= 1) - ; - - /* make sure that the calculation of most will not overflow */ - if (max > n || (code_t)(syms - 2) >= (((code_t)0 - 1) >> (max - 1))) { - fputs("abort: code length too long for internal types\n", stderr); - return 1; - } - - /* reject impossible code requests */ - if ((code_t)(syms - 1) > ((code_t)1 << max) - 1) { - fprintf(stderr, "%d symbols cannot be coded in %d bits\n", - syms, max); - return 1; - } - - /* allocate code vector */ - code = calloc(max + 1, sizeof(int)); - if (code == NULL) { - fputs("abort: unable to allocate enough memory\n", stderr); - return 1; - } - - /* determine size of saved results array, checking for overflows, - allocate and clear the array (set all to zero with calloc()) */ - if (syms == 2) /* iff max == 1 */ - num = NULL; /* won't be saving any results */ - else { - size = syms >> 1; - if (size > ((size_t)0 - 1) / (n = (syms - 1) >> 1) || - (size *= n, size > ((size_t)0 - 1) / (n = max - 1)) || - (size *= n, size > ((size_t)0 - 1) / sizeof(big_t)) || - (num = calloc(size, sizeof(big_t))) == NULL) { - fputs("abort: unable to allocate enough memory\n", stderr); - cleanup(); - return 1; - } - } - - /* count possible codes for all numbers of symbols, add up counts */ - sum = 0; - for (n = 2; n <= syms; n++) { - got = count(n, 1, 2); - sum += got; - if (got == (big_t)0 - 1 || sum < got) { /* overflow */ - fputs("abort: can't count that high!\n", stderr); - cleanup(); - return 1; - } - printf("%llu %d-codes\n", got, n); - } - printf("%llu total codes for 2 to %d symbols", sum, syms); - if (max < syms - 1) - printf(" (%d-bit length limit)\n", max); - else - puts(" (no length limit)"); - - /* allocate and clear done array for beenhere() */ - if (syms == 2) - done = NULL; - else if (size > ((size_t)0 - 1) / sizeof(struct tab) || - (done = calloc(size, sizeof(struct tab))) == NULL) { - fputs("abort: unable to allocate enough memory\n", stderr); - cleanup(); - return 1; - } - - /* find and show maximum inflate table usage */ - if (root > max) /* reduce root to max length */ - root = max; - if ((code_t)syms < ((code_t)1 << (root + 1))) - enough(syms); - else - puts("cannot handle minimum code lengths > root"); - - /* done */ - cleanup(); - return 0; -} diff --git a/deps/zlib/examples/fitblk.c b/deps/zlib/examples/fitblk.c deleted file mode 100644 index c61de5c99672d1..00000000000000 --- a/deps/zlib/examples/fitblk.c +++ /dev/null @@ -1,233 +0,0 @@ -/* fitblk.c: example of fitting compressed output to a specified size - Not copyrighted -- provided to the public domain - Version 1.1 25 November 2004 Mark Adler */ - -/* Version history: - 1.0 24 Nov 2004 First version - 1.1 25 Nov 2004 Change deflateInit2() to deflateInit() - Use fixed-size, stack-allocated raw buffers - Simplify code moving compression to subroutines - Use assert() for internal errors - Add detailed description of approach - */ - -/* Approach to just fitting a requested compressed size: - - fitblk performs three compression passes on a portion of the input - data in order to determine how much of that input will compress to - nearly the requested output block size. The first pass generates - enough deflate blocks to produce output to fill the requested - output size plus a specfied excess amount (see the EXCESS define - below). The last deflate block may go quite a bit past that, but - is discarded. The second pass decompresses and recompresses just - the compressed data that fit in the requested plus excess sized - buffer. The deflate process is terminated after that amount of - input, which is less than the amount consumed on the first pass. - The last deflate block of the result will be of a comparable size - to the final product, so that the header for that deflate block and - the compression ratio for that block will be about the same as in - the final product. The third compression pass decompresses the - result of the second step, but only the compressed data up to the - requested size minus an amount to allow the compressed stream to - complete (see the MARGIN define below). That will result in a - final compressed stream whose length is less than or equal to the - requested size. Assuming sufficient input and a requested size - greater than a few hundred bytes, the shortfall will typically be - less than ten bytes. - - If the input is short enough that the first compression completes - before filling the requested output size, then that compressed - stream is return with no recompression. - - EXCESS is chosen to be just greater than the shortfall seen in a - two pass approach similar to the above. That shortfall is due to - the last deflate block compressing more efficiently with a smaller - header on the second pass. EXCESS is set to be large enough so - that there is enough uncompressed data for the second pass to fill - out the requested size, and small enough so that the final deflate - block of the second pass will be close in size to the final deflate - block of the third and final pass. MARGIN is chosen to be just - large enough to assure that the final compression has enough room - to complete in all cases. - */ - -#include -#include -#include -#include "zlib.h" - -#define local static - -/* print nastygram and leave */ -local void quit(char *why) -{ - fprintf(stderr, "fitblk abort: %s\n", why); - exit(1); -} - -#define RAWLEN 4096 /* intermediate uncompressed buffer size */ - -/* compress from file to def until provided buffer is full or end of - input reached; return last deflate() return value, or Z_ERRNO if - there was read error on the file */ -local int partcompress(FILE *in, z_streamp def) -{ - int ret, flush; - unsigned char raw[RAWLEN]; - - flush = Z_NO_FLUSH; - do { - def->avail_in = fread(raw, 1, RAWLEN, in); - if (ferror(in)) - return Z_ERRNO; - def->next_in = raw; - if (feof(in)) - flush = Z_FINISH; - ret = deflate(def, flush); - assert(ret != Z_STREAM_ERROR); - } while (def->avail_out != 0 && flush == Z_NO_FLUSH); - return ret; -} - -/* recompress from inf's input to def's output; the input for inf and - the output for def are set in those structures before calling; - return last deflate() return value, or Z_MEM_ERROR if inflate() - was not able to allocate enough memory when it needed to */ -local int recompress(z_streamp inf, z_streamp def) -{ - int ret, flush; - unsigned char raw[RAWLEN]; - - flush = Z_NO_FLUSH; - do { - /* decompress */ - inf->avail_out = RAWLEN; - inf->next_out = raw; - ret = inflate(inf, Z_NO_FLUSH); - assert(ret != Z_STREAM_ERROR && ret != Z_DATA_ERROR && - ret != Z_NEED_DICT); - if (ret == Z_MEM_ERROR) - return ret; - - /* compress what was decompresed until done or no room */ - def->avail_in = RAWLEN - inf->avail_out; - def->next_in = raw; - if (inf->avail_out != 0) - flush = Z_FINISH; - ret = deflate(def, flush); - assert(ret != Z_STREAM_ERROR); - } while (ret != Z_STREAM_END && def->avail_out != 0); - return ret; -} - -#define EXCESS 256 /* empirically determined stream overage */ -#define MARGIN 8 /* amount to back off for completion */ - -/* compress from stdin to fixed-size block on stdout */ -int main(int argc, char **argv) -{ - int ret; /* return code */ - unsigned size; /* requested fixed output block size */ - unsigned have; /* bytes written by deflate() call */ - unsigned char *blk; /* intermediate and final stream */ - unsigned char *tmp; /* close to desired size stream */ - z_stream def, inf; /* zlib deflate and inflate states */ - - /* get requested output size */ - if (argc != 2) - quit("need one argument: size of output block"); - ret = strtol(argv[1], argv + 1, 10); - if (argv[1][0] != 0) - quit("argument must be a number"); - if (ret < 8) /* 8 is minimum zlib stream size */ - quit("need positive size of 8 or greater"); - size = (unsigned)ret; - - /* allocate memory for buffers and compression engine */ - blk = malloc(size + EXCESS); - def.zalloc = Z_NULL; - def.zfree = Z_NULL; - def.opaque = Z_NULL; - ret = deflateInit(&def, Z_DEFAULT_COMPRESSION); - if (ret != Z_OK || blk == NULL) - quit("out of memory"); - - /* compress from stdin until output full, or no more input */ - def.avail_out = size + EXCESS; - def.next_out = blk; - ret = partcompress(stdin, &def); - if (ret == Z_ERRNO) - quit("error reading input"); - - /* if it all fit, then size was undersubscribed -- done! */ - if (ret == Z_STREAM_END && def.avail_out >= EXCESS) { - /* write block to stdout */ - have = size + EXCESS - def.avail_out; - if (fwrite(blk, 1, have, stdout) != have || ferror(stdout)) - quit("error writing output"); - - /* clean up and print results to stderr */ - ret = deflateEnd(&def); - assert(ret != Z_STREAM_ERROR); - free(blk); - fprintf(stderr, - "%u bytes unused out of %u requested (all input)\n", - size - have, size); - return 0; - } - - /* it didn't all fit -- set up for recompression */ - inf.zalloc = Z_NULL; - inf.zfree = Z_NULL; - inf.opaque = Z_NULL; - inf.avail_in = 0; - inf.next_in = Z_NULL; - ret = inflateInit(&inf); - tmp = malloc(size + EXCESS); - if (ret != Z_OK || tmp == NULL) - quit("out of memory"); - ret = deflateReset(&def); - assert(ret != Z_STREAM_ERROR); - - /* do first recompression close to the right amount */ - inf.avail_in = size + EXCESS; - inf.next_in = blk; - def.avail_out = size + EXCESS; - def.next_out = tmp; - ret = recompress(&inf, &def); - if (ret == Z_MEM_ERROR) - quit("out of memory"); - - /* set up for next reocmpression */ - ret = inflateReset(&inf); - assert(ret != Z_STREAM_ERROR); - ret = deflateReset(&def); - assert(ret != Z_STREAM_ERROR); - - /* do second and final recompression (third compression) */ - inf.avail_in = size - MARGIN; /* assure stream will complete */ - inf.next_in = tmp; - def.avail_out = size; - def.next_out = blk; - ret = recompress(&inf, &def); - if (ret == Z_MEM_ERROR) - quit("out of memory"); - assert(ret == Z_STREAM_END); /* otherwise MARGIN too small */ - - /* done -- write block to stdout */ - have = size - def.avail_out; - if (fwrite(blk, 1, have, stdout) != have || ferror(stdout)) - quit("error writing output"); - - /* clean up and print results to stderr */ - free(tmp); - ret = inflateEnd(&inf); - assert(ret != Z_STREAM_ERROR); - ret = deflateEnd(&def); - assert(ret != Z_STREAM_ERROR); - free(blk); - fprintf(stderr, - "%u bytes unused out of %u requested (%lu input)\n", - size - have, size, def.total_in); - return 0; -} diff --git a/deps/zlib/examples/gun.c b/deps/zlib/examples/gun.c deleted file mode 100644 index be44fa51ff522c..00000000000000 --- a/deps/zlib/examples/gun.c +++ /dev/null @@ -1,702 +0,0 @@ -/* gun.c -- simple gunzip to give an example of the use of inflateBack() - * Copyright (C) 2003, 2005, 2008, 2010, 2012 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - Version 1.7 12 August 2012 Mark Adler */ - -/* Version history: - 1.0 16 Feb 2003 First version for testing of inflateBack() - 1.1 21 Feb 2005 Decompress concatenated gzip streams - Remove use of "this" variable (C++ keyword) - Fix return value for in() - Improve allocation failure checking - Add typecasting for void * structures - Add -h option for command version and usage - Add a bunch of comments - 1.2 20 Mar 2005 Add Unix compress (LZW) decompression - Copy file attributes from input file to output file - 1.3 12 Jun 2005 Add casts for error messages [Oberhumer] - 1.4 8 Dec 2006 LZW decompression speed improvements - 1.5 9 Feb 2008 Avoid warning in latest version of gcc - 1.6 17 Jan 2010 Avoid signed/unsigned comparison warnings - 1.7 12 Aug 2012 Update for z_const usage in zlib 1.2.8 - */ - -/* - gun [ -t ] [ name ... ] - - decompresses the data in the named gzip files. If no arguments are given, - gun will decompress from stdin to stdout. The names must end in .gz, -gz, - .z, -z, _z, or .Z. The uncompressed data will be written to a file name - with the suffix stripped. On success, the original file is deleted. On - failure, the output file is deleted. For most failures, the command will - continue to process the remaining names on the command line. A memory - allocation failure will abort the command. If -t is specified, then the - listed files or stdin will be tested as gzip files for integrity (without - checking for a proper suffix), no output will be written, and no files - will be deleted. - - Like gzip, gun allows concatenated gzip streams and will decompress them, - writing all of the uncompressed data to the output. Unlike gzip, gun allows - an empty file on input, and will produce no error writing an empty output - file. - - gun will also decompress files made by Unix compress, which uses LZW - compression. These files are automatically detected by virtue of their - magic header bytes. Since the end of Unix compress stream is marked by the - end-of-file, they cannot be concantenated. If a Unix compress stream is - encountered in an input file, it is the last stream in that file. - - Like gunzip and uncompress, the file attributes of the original compressed - file are maintained in the final uncompressed file, to the extent that the - user permissions allow it. - - On my Mac OS X PowerPC G4, gun is almost twice as fast as gunzip (version - 1.2.4) is on the same file, when gun is linked with zlib 1.2.2. Also the - LZW decompression provided by gun is about twice as fast as the standard - Unix uncompress command. - */ - -/* external functions and related types and constants */ -#include /* fprintf() */ -#include /* malloc(), free() */ -#include /* strerror(), strcmp(), strlen(), memcpy() */ -#include /* errno */ -#include /* open() */ -#include /* read(), write(), close(), chown(), unlink() */ -#include -#include /* stat(), chmod() */ -#include /* utime() */ -#include "zlib.h" /* inflateBackInit(), inflateBack(), */ - /* inflateBackEnd(), crc32() */ - -/* function declaration */ -#define local static - -/* buffer constants */ -#define SIZE 32768U /* input and output buffer sizes */ -#define PIECE 16384 /* limits i/o chunks for 16-bit int case */ - -/* structure for infback() to pass to input function in() -- it maintains the - input file and a buffer of size SIZE */ -struct ind { - int infile; - unsigned char *inbuf; -}; - -/* Load input buffer, assumed to be empty, and return bytes loaded and a - pointer to them. read() is called until the buffer is full, or until it - returns end-of-file or error. Return 0 on error. */ -local unsigned in(void *in_desc, z_const unsigned char **buf) -{ - int ret; - unsigned len; - unsigned char *next; - struct ind *me = (struct ind *)in_desc; - - next = me->inbuf; - *buf = next; - len = 0; - do { - ret = PIECE; - if ((unsigned)ret > SIZE - len) - ret = (int)(SIZE - len); - ret = (int)read(me->infile, next, ret); - if (ret == -1) { - len = 0; - break; - } - next += ret; - len += ret; - } while (ret != 0 && len < SIZE); - return len; -} - -/* structure for infback() to pass to output function out() -- it maintains the - output file, a running CRC-32 check on the output and the total number of - bytes output, both for checking against the gzip trailer. (The length in - the gzip trailer is stored modulo 2^32, so it's ok if a long is 32 bits and - the output is greater than 4 GB.) */ -struct outd { - int outfile; - int check; /* true if checking crc and total */ - unsigned long crc; - unsigned long total; -}; - -/* Write output buffer and update the CRC-32 and total bytes written. write() - is called until all of the output is written or an error is encountered. - On success out() returns 0. For a write failure, out() returns 1. If the - output file descriptor is -1, then nothing is written. - */ -local int out(void *out_desc, unsigned char *buf, unsigned len) -{ - int ret; - struct outd *me = (struct outd *)out_desc; - - if (me->check) { - me->crc = crc32(me->crc, buf, len); - me->total += len; - } - if (me->outfile != -1) - do { - ret = PIECE; - if ((unsigned)ret > len) - ret = (int)len; - ret = (int)write(me->outfile, buf, ret); - if (ret == -1) - return 1; - buf += ret; - len -= ret; - } while (len != 0); - return 0; -} - -/* next input byte macro for use inside lunpipe() and gunpipe() */ -#define NEXT() (have ? 0 : (have = in(indp, &next)), \ - last = have ? (have--, (int)(*next++)) : -1) - -/* memory for gunpipe() and lunpipe() -- - the first 256 entries of prefix[] and suffix[] are never used, could - have offset the index, but it's faster to waste the memory */ -unsigned char inbuf[SIZE]; /* input buffer */ -unsigned char outbuf[SIZE]; /* output buffer */ -unsigned short prefix[65536]; /* index to LZW prefix string */ -unsigned char suffix[65536]; /* one-character LZW suffix */ -unsigned char match[65280 + 2]; /* buffer for reversed match or gzip - 32K sliding window */ - -/* throw out what's left in the current bits byte buffer (this is a vestigial - aspect of the compressed data format derived from an implementation that - made use of a special VAX machine instruction!) */ -#define FLUSHCODE() \ - do { \ - left = 0; \ - rem = 0; \ - if (chunk > have) { \ - chunk -= have; \ - have = 0; \ - if (NEXT() == -1) \ - break; \ - chunk--; \ - if (chunk > have) { \ - chunk = have = 0; \ - break; \ - } \ - } \ - have -= chunk; \ - next += chunk; \ - chunk = 0; \ - } while (0) - -/* Decompress a compress (LZW) file from indp to outfile. The compress magic - header (two bytes) has already been read and verified. There are have bytes - of buffered input at next. strm is used for passing error information back - to gunpipe(). - - lunpipe() will return Z_OK on success, Z_BUF_ERROR for an unexpected end of - file, read error, or write error (a write error indicated by strm->next_in - not equal to Z_NULL), or Z_DATA_ERROR for invalid input. - */ -local int lunpipe(unsigned have, z_const unsigned char *next, struct ind *indp, - int outfile, z_stream *strm) -{ - int last; /* last byte read by NEXT(), or -1 if EOF */ - unsigned chunk; /* bytes left in current chunk */ - int left; /* bits left in rem */ - unsigned rem; /* unused bits from input */ - int bits; /* current bits per code */ - unsigned code; /* code, table traversal index */ - unsigned mask; /* mask for current bits codes */ - int max; /* maximum bits per code for this stream */ - unsigned flags; /* compress flags, then block compress flag */ - unsigned end; /* last valid entry in prefix/suffix tables */ - unsigned temp; /* current code */ - unsigned prev; /* previous code */ - unsigned final; /* last character written for previous code */ - unsigned stack; /* next position for reversed string */ - unsigned outcnt; /* bytes in output buffer */ - struct outd outd; /* output structure */ - unsigned char *p; - - /* set up output */ - outd.outfile = outfile; - outd.check = 0; - - /* process remainder of compress header -- a flags byte */ - flags = NEXT(); - if (last == -1) - return Z_BUF_ERROR; - if (flags & 0x60) { - strm->msg = (char *)"unknown lzw flags set"; - return Z_DATA_ERROR; - } - max = flags & 0x1f; - if (max < 9 || max > 16) { - strm->msg = (char *)"lzw bits out of range"; - return Z_DATA_ERROR; - } - if (max == 9) /* 9 doesn't really mean 9 */ - max = 10; - flags &= 0x80; /* true if block compress */ - - /* clear table */ - bits = 9; - mask = 0x1ff; - end = flags ? 256 : 255; - - /* set up: get first 9-bit code, which is the first decompressed byte, but - don't create a table entry until the next code */ - if (NEXT() == -1) /* no compressed data is ok */ - return Z_OK; - final = prev = (unsigned)last; /* low 8 bits of code */ - if (NEXT() == -1) /* missing a bit */ - return Z_BUF_ERROR; - if (last & 1) { /* code must be < 256 */ - strm->msg = (char *)"invalid lzw code"; - return Z_DATA_ERROR; - } - rem = (unsigned)last >> 1; /* remaining 7 bits */ - left = 7; - chunk = bits - 2; /* 7 bytes left in this chunk */ - outbuf[0] = (unsigned char)final; /* write first decompressed byte */ - outcnt = 1; - - /* decode codes */ - stack = 0; - for (;;) { - /* if the table will be full after this, increment the code size */ - if (end >= mask && bits < max) { - FLUSHCODE(); - bits++; - mask <<= 1; - mask++; - } - - /* get a code of length bits */ - if (chunk == 0) /* decrement chunk modulo bits */ - chunk = bits; - code = rem; /* low bits of code */ - if (NEXT() == -1) { /* EOF is end of compressed data */ - /* write remaining buffered output */ - if (outcnt && out(&outd, outbuf, outcnt)) { - strm->next_in = outbuf; /* signal write error */ - return Z_BUF_ERROR; - } - return Z_OK; - } - code += (unsigned)last << left; /* middle (or high) bits of code */ - left += 8; - chunk--; - if (bits > left) { /* need more bits */ - if (NEXT() == -1) /* can't end in middle of code */ - return Z_BUF_ERROR; - code += (unsigned)last << left; /* high bits of code */ - left += 8; - chunk--; - } - code &= mask; /* mask to current code length */ - left -= bits; /* number of unused bits */ - rem = (unsigned)last >> (8 - left); /* unused bits from last byte */ - - /* process clear code (256) */ - if (code == 256 && flags) { - FLUSHCODE(); - bits = 9; /* initialize bits and mask */ - mask = 0x1ff; - end = 255; /* empty table */ - continue; /* get next code */ - } - - /* special code to reuse last match */ - temp = code; /* save the current code */ - if (code > end) { - /* Be picky on the allowed code here, and make sure that the code - we drop through (prev) will be a valid index so that random - input does not cause an exception. The code != end + 1 check is - empirically derived, and not checked in the original uncompress - code. If this ever causes a problem, that check could be safely - removed. Leaving this check in greatly improves gun's ability - to detect random or corrupted input after a compress header. - In any case, the prev > end check must be retained. */ - if (code != end + 1 || prev > end) { - strm->msg = (char *)"invalid lzw code"; - return Z_DATA_ERROR; - } - match[stack++] = (unsigned char)final; - code = prev; - } - - /* walk through linked list to generate output in reverse order */ - p = match + stack; - while (code >= 256) { - *p++ = suffix[code]; - code = prefix[code]; - } - stack = p - match; - match[stack++] = (unsigned char)code; - final = code; - - /* link new table entry */ - if (end < mask) { - end++; - prefix[end] = (unsigned short)prev; - suffix[end] = (unsigned char)final; - } - - /* set previous code for next iteration */ - prev = temp; - - /* write output in forward order */ - while (stack > SIZE - outcnt) { - while (outcnt < SIZE) - outbuf[outcnt++] = match[--stack]; - if (out(&outd, outbuf, outcnt)) { - strm->next_in = outbuf; /* signal write error */ - return Z_BUF_ERROR; - } - outcnt = 0; - } - p = match + stack; - do { - outbuf[outcnt++] = *--p; - } while (p > match); - stack = 0; - - /* loop for next code with final and prev as the last match, rem and - left provide the first 0..7 bits of the next code, end is the last - valid table entry */ - } -} - -/* Decompress a gzip file from infile to outfile. strm is assumed to have been - successfully initialized with inflateBackInit(). The input file may consist - of a series of gzip streams, in which case all of them will be decompressed - to the output file. If outfile is -1, then the gzip stream(s) integrity is - checked and nothing is written. - - The return value is a zlib error code: Z_MEM_ERROR if out of memory, - Z_DATA_ERROR if the header or the compressed data is invalid, or if the - trailer CRC-32 check or length doesn't match, Z_BUF_ERROR if the input ends - prematurely or a write error occurs, or Z_ERRNO if junk (not a another gzip - stream) follows a valid gzip stream. - */ -local int gunpipe(z_stream *strm, int infile, int outfile) -{ - int ret, first, last; - unsigned have, flags, len; - z_const unsigned char *next = NULL; - struct ind ind, *indp; - struct outd outd; - - /* setup input buffer */ - ind.infile = infile; - ind.inbuf = inbuf; - indp = &ind; - - /* decompress concatenated gzip streams */ - have = 0; /* no input data read in yet */ - first = 1; /* looking for first gzip header */ - strm->next_in = Z_NULL; /* so Z_BUF_ERROR means EOF */ - for (;;) { - /* look for the two magic header bytes for a gzip stream */ - if (NEXT() == -1) { - ret = Z_OK; - break; /* empty gzip stream is ok */ - } - if (last != 31 || (NEXT() != 139 && last != 157)) { - strm->msg = (char *)"incorrect header check"; - ret = first ? Z_DATA_ERROR : Z_ERRNO; - break; /* not a gzip or compress header */ - } - first = 0; /* next non-header is junk */ - - /* process a compress (LZW) file -- can't be concatenated after this */ - if (last == 157) { - ret = lunpipe(have, next, indp, outfile, strm); - break; - } - - /* process remainder of gzip header */ - ret = Z_BUF_ERROR; - if (NEXT() != 8) { /* only deflate method allowed */ - if (last == -1) break; - strm->msg = (char *)"unknown compression method"; - ret = Z_DATA_ERROR; - break; - } - flags = NEXT(); /* header flags */ - NEXT(); /* discard mod time, xflgs, os */ - NEXT(); - NEXT(); - NEXT(); - NEXT(); - NEXT(); - if (last == -1) break; - if (flags & 0xe0) { - strm->msg = (char *)"unknown header flags set"; - ret = Z_DATA_ERROR; - break; - } - if (flags & 4) { /* extra field */ - len = NEXT(); - len += (unsigned)(NEXT()) << 8; - if (last == -1) break; - while (len > have) { - len -= have; - have = 0; - if (NEXT() == -1) break; - len--; - } - if (last == -1) break; - have -= len; - next += len; - } - if (flags & 8) /* file name */ - while (NEXT() != 0 && last != -1) - ; - if (flags & 16) /* comment */ - while (NEXT() != 0 && last != -1) - ; - if (flags & 2) { /* header crc */ - NEXT(); - NEXT(); - } - if (last == -1) break; - - /* set up output */ - outd.outfile = outfile; - outd.check = 1; - outd.crc = crc32(0L, Z_NULL, 0); - outd.total = 0; - - /* decompress data to output */ - strm->next_in = next; - strm->avail_in = have; - ret = inflateBack(strm, in, indp, out, &outd); - if (ret != Z_STREAM_END) break; - next = strm->next_in; - have = strm->avail_in; - strm->next_in = Z_NULL; /* so Z_BUF_ERROR means EOF */ - - /* check trailer */ - ret = Z_BUF_ERROR; - if (NEXT() != (int)(outd.crc & 0xff) || - NEXT() != (int)((outd.crc >> 8) & 0xff) || - NEXT() != (int)((outd.crc >> 16) & 0xff) || - NEXT() != (int)((outd.crc >> 24) & 0xff)) { - /* crc error */ - if (last != -1) { - strm->msg = (char *)"incorrect data check"; - ret = Z_DATA_ERROR; - } - break; - } - if (NEXT() != (int)(outd.total & 0xff) || - NEXT() != (int)((outd.total >> 8) & 0xff) || - NEXT() != (int)((outd.total >> 16) & 0xff) || - NEXT() != (int)((outd.total >> 24) & 0xff)) { - /* length error */ - if (last != -1) { - strm->msg = (char *)"incorrect length check"; - ret = Z_DATA_ERROR; - } - break; - } - - /* go back and look for another gzip stream */ - } - - /* clean up and return */ - return ret; -} - -/* Copy file attributes, from -> to, as best we can. This is best effort, so - no errors are reported. The mode bits, including suid, sgid, and the sticky - bit are copied (if allowed), the owner's user id and group id are copied - (again if allowed), and the access and modify times are copied. */ -local void copymeta(char *from, char *to) -{ - struct stat was; - struct utimbuf when; - - /* get all of from's Unix meta data, return if not a regular file */ - if (stat(from, &was) != 0 || (was.st_mode & S_IFMT) != S_IFREG) - return; - - /* set to's mode bits, ignore errors */ - (void)chmod(to, was.st_mode & 07777); - - /* copy owner's user and group, ignore errors */ - (void)chown(to, was.st_uid, was.st_gid); - - /* copy access and modify times, ignore errors */ - when.actime = was.st_atime; - when.modtime = was.st_mtime; - (void)utime(to, &when); -} - -/* Decompress the file inname to the file outnname, of if test is true, just - decompress without writing and check the gzip trailer for integrity. If - inname is NULL or an empty string, read from stdin. If outname is NULL or - an empty string, write to stdout. strm is a pre-initialized inflateBack - structure. When appropriate, copy the file attributes from inname to - outname. - - gunzip() returns 1 if there is an out-of-memory error or an unexpected - return code from gunpipe(). Otherwise it returns 0. - */ -local int gunzip(z_stream *strm, char *inname, char *outname, int test) -{ - int ret; - int infile, outfile; - - /* open files */ - if (inname == NULL || *inname == 0) { - inname = "-"; - infile = 0; /* stdin */ - } - else { - infile = open(inname, O_RDONLY, 0); - if (infile == -1) { - fprintf(stderr, "gun cannot open %s\n", inname); - return 0; - } - } - if (test) - outfile = -1; - else if (outname == NULL || *outname == 0) { - outname = "-"; - outfile = 1; /* stdout */ - } - else { - outfile = open(outname, O_CREAT | O_TRUNC | O_WRONLY, 0666); - if (outfile == -1) { - close(infile); - fprintf(stderr, "gun cannot create %s\n", outname); - return 0; - } - } - errno = 0; - - /* decompress */ - ret = gunpipe(strm, infile, outfile); - if (outfile > 2) close(outfile); - if (infile > 2) close(infile); - - /* interpret result */ - switch (ret) { - case Z_OK: - case Z_ERRNO: - if (infile > 2 && outfile > 2) { - copymeta(inname, outname); /* copy attributes */ - unlink(inname); - } - if (ret == Z_ERRNO) - fprintf(stderr, "gun warning: trailing garbage ignored in %s\n", - inname); - break; - case Z_DATA_ERROR: - if (outfile > 2) unlink(outname); - fprintf(stderr, "gun data error on %s: %s\n", inname, strm->msg); - break; - case Z_MEM_ERROR: - if (outfile > 2) unlink(outname); - fprintf(stderr, "gun out of memory error--aborting\n"); - return 1; - case Z_BUF_ERROR: - if (outfile > 2) unlink(outname); - if (strm->next_in != Z_NULL) { - fprintf(stderr, "gun write error on %s: %s\n", - outname, strerror(errno)); - } - else if (errno) { - fprintf(stderr, "gun read error on %s: %s\n", - inname, strerror(errno)); - } - else { - fprintf(stderr, "gun unexpected end of file on %s\n", - inname); - } - break; - default: - if (outfile > 2) unlink(outname); - fprintf(stderr, "gun internal error--aborting\n"); - return 1; - } - return 0; -} - -/* Process the gun command line arguments. See the command syntax near the - beginning of this source file. */ -int main(int argc, char **argv) -{ - int ret, len, test; - char *outname; - unsigned char *window; - z_stream strm; - - /* initialize inflateBack state for repeated use */ - window = match; /* reuse LZW match buffer */ - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; - ret = inflateBackInit(&strm, 15, window); - if (ret != Z_OK) { - fprintf(stderr, "gun out of memory error--aborting\n"); - return 1; - } - - /* decompress each file to the same name with the suffix removed */ - argc--; - argv++; - test = 0; - if (argc && strcmp(*argv, "-h") == 0) { - fprintf(stderr, "gun 1.6 (17 Jan 2010)\n"); - fprintf(stderr, "Copyright (C) 2003-2010 Mark Adler\n"); - fprintf(stderr, "usage: gun [-t] [file1.gz [file2.Z ...]]\n"); - return 0; - } - if (argc && strcmp(*argv, "-t") == 0) { - test = 1; - argc--; - argv++; - } - if (argc) - do { - if (test) - outname = NULL; - else { - len = (int)strlen(*argv); - if (strcmp(*argv + len - 3, ".gz") == 0 || - strcmp(*argv + len - 3, "-gz") == 0) - len -= 3; - else if (strcmp(*argv + len - 2, ".z") == 0 || - strcmp(*argv + len - 2, "-z") == 0 || - strcmp(*argv + len - 2, "_z") == 0 || - strcmp(*argv + len - 2, ".Z") == 0) - len -= 2; - else { - fprintf(stderr, "gun error: no gz type on %s--skipping\n", - *argv); - continue; - } - outname = malloc(len + 1); - if (outname == NULL) { - fprintf(stderr, "gun out of memory error--aborting\n"); - ret = 1; - break; - } - memcpy(outname, *argv, len); - outname[len] = 0; - } - ret = gunzip(&strm, *argv, outname, test); - if (outname != NULL) free(outname); - if (ret) break; - } while (argv++, --argc); - else - ret = gunzip(&strm, NULL, NULL, test); - - /* clean up */ - inflateBackEnd(&strm); - return ret; -} diff --git a/deps/zlib/examples/gzappend.c b/deps/zlib/examples/gzappend.c deleted file mode 100644 index 662dec3794b7c0..00000000000000 --- a/deps/zlib/examples/gzappend.c +++ /dev/null @@ -1,504 +0,0 @@ -/* gzappend -- command to append to a gzip file - - Copyright (C) 2003, 2012 Mark Adler, all rights reserved - version 1.2, 11 Oct 2012 - - This software is provided 'as-is', without any express or implied - warranty. In no event will the author be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - Mark Adler madler@alumni.caltech.edu - */ - -/* - * Change history: - * - * 1.0 19 Oct 2003 - First version - * 1.1 4 Nov 2003 - Expand and clarify some comments and notes - * - Add version and copyright to help - * - Send help to stdout instead of stderr - * - Add some preemptive typecasts - * - Add L to constants in lseek() calls - * - Remove some debugging information in error messages - * - Use new data_type definition for zlib 1.2.1 - * - Simplfy and unify file operations - * - Finish off gzip file in gztack() - * - Use deflatePrime() instead of adding empty blocks - * - Keep gzip file clean on appended file read errors - * - Use in-place rotate instead of auxiliary buffer - * (Why you ask? Because it was fun to write!) - * 1.2 11 Oct 2012 - Fix for proper z_const usage - * - Check for input buffer malloc failure - */ - -/* - gzappend takes a gzip file and appends to it, compressing files from the - command line or data from stdin. The gzip file is written to directly, to - avoid copying that file, in case it's large. Note that this results in the - unfriendly behavior that if gzappend fails, the gzip file is corrupted. - - This program was written to illustrate the use of the new Z_BLOCK option of - zlib 1.2.x's inflate() function. This option returns from inflate() at each - block boundary to facilitate locating and modifying the last block bit at - the start of the final deflate block. Also whether using Z_BLOCK or not, - another required feature of zlib 1.2.x is that inflate() now provides the - number of unusued bits in the last input byte used. gzappend will not work - with versions of zlib earlier than 1.2.1. - - gzappend first decompresses the gzip file internally, discarding all but - the last 32K of uncompressed data, and noting the location of the last block - bit and the number of unused bits in the last byte of the compressed data. - The gzip trailer containing the CRC-32 and length of the uncompressed data - is verified. This trailer will be later overwritten. - - Then the last block bit is cleared by seeking back in the file and rewriting - the byte that contains it. Seeking forward, the last byte of the compressed - data is saved along with the number of unused bits to initialize deflate. - - A deflate process is initialized, using the last 32K of the uncompressed - data from the gzip file to initialize the dictionary. If the total - uncompressed data was less than 32K, then all of it is used to initialize - the dictionary. The deflate output bit buffer is also initialized with the - last bits from the original deflate stream. From here on, the data to - append is simply compressed using deflate, and written to the gzip file. - When that is complete, the new CRC-32 and uncompressed length are written - as the trailer of the gzip file. - */ - -#include -#include -#include -#include -#include -#include "zlib.h" - -#define local static -#define LGCHUNK 14 -#define CHUNK (1U << LGCHUNK) -#define DSIZE 32768U - -/* print an error message and terminate with extreme prejudice */ -local void bye(char *msg1, char *msg2) -{ - fprintf(stderr, "gzappend error: %s%s\n", msg1, msg2); - exit(1); -} - -/* return the greatest common divisor of a and b using Euclid's algorithm, - modified to be fast when one argument much greater than the other, and - coded to avoid unnecessary swapping */ -local unsigned gcd(unsigned a, unsigned b) -{ - unsigned c; - - while (a && b) - if (a > b) { - c = b; - while (a - c >= c) - c <<= 1; - a -= c; - } - else { - c = a; - while (b - c >= c) - c <<= 1; - b -= c; - } - return a + b; -} - -/* rotate list[0..len-1] left by rot positions, in place */ -local void rotate(unsigned char *list, unsigned len, unsigned rot) -{ - unsigned char tmp; - unsigned cycles; - unsigned char *start, *last, *to, *from; - - /* normalize rot and handle degenerate cases */ - if (len < 2) return; - if (rot >= len) rot %= len; - if (rot == 0) return; - - /* pointer to last entry in list */ - last = list + (len - 1); - - /* do simple left shift by one */ - if (rot == 1) { - tmp = *list; - memcpy(list, list + 1, len - 1); - *last = tmp; - return; - } - - /* do simple right shift by one */ - if (rot == len - 1) { - tmp = *last; - memmove(list + 1, list, len - 1); - *list = tmp; - return; - } - - /* otherwise do rotate as a set of cycles in place */ - cycles = gcd(len, rot); /* number of cycles */ - do { - start = from = list + cycles; /* start index is arbitrary */ - tmp = *from; /* save entry to be overwritten */ - for (;;) { - to = from; /* next step in cycle */ - from += rot; /* go right rot positions */ - if (from > last) from -= len; /* (pointer better not wrap) */ - if (from == start) break; /* all but one shifted */ - *to = *from; /* shift left */ - } - *to = tmp; /* complete the circle */ - } while (--cycles); -} - -/* structure for gzip file read operations */ -typedef struct { - int fd; /* file descriptor */ - int size; /* 1 << size is bytes in buf */ - unsigned left; /* bytes available at next */ - unsigned char *buf; /* buffer */ - z_const unsigned char *next; /* next byte in buffer */ - char *name; /* file name for error messages */ -} file; - -/* reload buffer */ -local int readin(file *in) -{ - int len; - - len = read(in->fd, in->buf, 1 << in->size); - if (len == -1) bye("error reading ", in->name); - in->left = (unsigned)len; - in->next = in->buf; - return len; -} - -/* read from file in, exit if end-of-file */ -local int readmore(file *in) -{ - if (readin(in) == 0) bye("unexpected end of ", in->name); - return 0; -} - -#define read1(in) (in->left == 0 ? readmore(in) : 0, \ - in->left--, *(in->next)++) - -/* skip over n bytes of in */ -local void skip(file *in, unsigned n) -{ - unsigned bypass; - - if (n > in->left) { - n -= in->left; - bypass = n & ~((1U << in->size) - 1); - if (bypass) { - if (lseek(in->fd, (off_t)bypass, SEEK_CUR) == -1) - bye("seeking ", in->name); - n -= bypass; - } - readmore(in); - if (n > in->left) - bye("unexpected end of ", in->name); - } - in->left -= n; - in->next += n; -} - -/* read a four-byte unsigned integer, little-endian, from in */ -unsigned long read4(file *in) -{ - unsigned long val; - - val = read1(in); - val += (unsigned)read1(in) << 8; - val += (unsigned long)read1(in) << 16; - val += (unsigned long)read1(in) << 24; - return val; -} - -/* skip over gzip header */ -local void gzheader(file *in) -{ - int flags; - unsigned n; - - if (read1(in) != 31 || read1(in) != 139) bye(in->name, " not a gzip file"); - if (read1(in) != 8) bye("unknown compression method in", in->name); - flags = read1(in); - if (flags & 0xe0) bye("unknown header flags set in", in->name); - skip(in, 6); - if (flags & 4) { - n = read1(in); - n += (unsigned)(read1(in)) << 8; - skip(in, n); - } - if (flags & 8) while (read1(in) != 0) ; - if (flags & 16) while (read1(in) != 0) ; - if (flags & 2) skip(in, 2); -} - -/* decompress gzip file "name", return strm with a deflate stream ready to - continue compression of the data in the gzip file, and return a file - descriptor pointing to where to write the compressed data -- the deflate - stream is initialized to compress using level "level" */ -local int gzscan(char *name, z_stream *strm, int level) -{ - int ret, lastbit, left, full; - unsigned have; - unsigned long crc, tot; - unsigned char *window; - off_t lastoff, end; - file gz; - - /* open gzip file */ - gz.name = name; - gz.fd = open(name, O_RDWR, 0); - if (gz.fd == -1) bye("cannot open ", name); - gz.buf = malloc(CHUNK); - if (gz.buf == NULL) bye("out of memory", ""); - gz.size = LGCHUNK; - gz.left = 0; - - /* skip gzip header */ - gzheader(&gz); - - /* prepare to decompress */ - window = malloc(DSIZE); - if (window == NULL) bye("out of memory", ""); - strm->zalloc = Z_NULL; - strm->zfree = Z_NULL; - strm->opaque = Z_NULL; - ret = inflateInit2(strm, -15); - if (ret != Z_OK) bye("out of memory", " or library mismatch"); - - /* decompress the deflate stream, saving append information */ - lastbit = 0; - lastoff = lseek(gz.fd, 0L, SEEK_CUR) - gz.left; - left = 0; - strm->avail_in = gz.left; - strm->next_in = gz.next; - crc = crc32(0L, Z_NULL, 0); - have = full = 0; - do { - /* if needed, get more input */ - if (strm->avail_in == 0) { - readmore(&gz); - strm->avail_in = gz.left; - strm->next_in = gz.next; - } - - /* set up output to next available section of sliding window */ - strm->avail_out = DSIZE - have; - strm->next_out = window + have; - - /* inflate and check for errors */ - ret = inflate(strm, Z_BLOCK); - if (ret == Z_STREAM_ERROR) bye("internal stream error!", ""); - if (ret == Z_MEM_ERROR) bye("out of memory", ""); - if (ret == Z_DATA_ERROR) - bye("invalid compressed data--format violated in", name); - - /* update crc and sliding window pointer */ - crc = crc32(crc, window + have, DSIZE - have - strm->avail_out); - if (strm->avail_out) - have = DSIZE - strm->avail_out; - else { - have = 0; - full = 1; - } - - /* process end of block */ - if (strm->data_type & 128) { - if (strm->data_type & 64) - left = strm->data_type & 0x1f; - else { - lastbit = strm->data_type & 0x1f; - lastoff = lseek(gz.fd, 0L, SEEK_CUR) - strm->avail_in; - } - } - } while (ret != Z_STREAM_END); - inflateEnd(strm); - gz.left = strm->avail_in; - gz.next = strm->next_in; - - /* save the location of the end of the compressed data */ - end = lseek(gz.fd, 0L, SEEK_CUR) - gz.left; - - /* check gzip trailer and save total for deflate */ - if (crc != read4(&gz)) - bye("invalid compressed data--crc mismatch in ", name); - tot = strm->total_out; - if ((tot & 0xffffffffUL) != read4(&gz)) - bye("invalid compressed data--length mismatch in", name); - - /* if not at end of file, warn */ - if (gz.left || readin(&gz)) - fprintf(stderr, - "gzappend warning: junk at end of gzip file overwritten\n"); - - /* clear last block bit */ - lseek(gz.fd, lastoff - (lastbit != 0), SEEK_SET); - if (read(gz.fd, gz.buf, 1) != 1) bye("reading after seek on ", name); - *gz.buf = (unsigned char)(*gz.buf ^ (1 << ((8 - lastbit) & 7))); - lseek(gz.fd, -1L, SEEK_CUR); - if (write(gz.fd, gz.buf, 1) != 1) bye("writing after seek to ", name); - - /* if window wrapped, build dictionary from window by rotating */ - if (full) { - rotate(window, DSIZE, have); - have = DSIZE; - } - - /* set up deflate stream with window, crc, total_in, and leftover bits */ - ret = deflateInit2(strm, level, Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY); - if (ret != Z_OK) bye("out of memory", ""); - deflateSetDictionary(strm, window, have); - strm->adler = crc; - strm->total_in = tot; - if (left) { - lseek(gz.fd, --end, SEEK_SET); - if (read(gz.fd, gz.buf, 1) != 1) bye("reading after seek on ", name); - deflatePrime(strm, 8 - left, *gz.buf); - } - lseek(gz.fd, end, SEEK_SET); - - /* clean up and return */ - free(window); - free(gz.buf); - return gz.fd; -} - -/* append file "name" to gzip file gd using deflate stream strm -- if last - is true, then finish off the deflate stream at the end */ -local void gztack(char *name, int gd, z_stream *strm, int last) -{ - int fd, len, ret; - unsigned left; - unsigned char *in, *out; - - /* open file to compress and append */ - fd = 0; - if (name != NULL) { - fd = open(name, O_RDONLY, 0); - if (fd == -1) - fprintf(stderr, "gzappend warning: %s not found, skipping ...\n", - name); - } - - /* allocate buffers */ - in = malloc(CHUNK); - out = malloc(CHUNK); - if (in == NULL || out == NULL) bye("out of memory", ""); - - /* compress input file and append to gzip file */ - do { - /* get more input */ - len = read(fd, in, CHUNK); - if (len == -1) { - fprintf(stderr, - "gzappend warning: error reading %s, skipping rest ...\n", - name); - len = 0; - } - strm->avail_in = (unsigned)len; - strm->next_in = in; - if (len) strm->adler = crc32(strm->adler, in, (unsigned)len); - - /* compress and write all available output */ - do { - strm->avail_out = CHUNK; - strm->next_out = out; - ret = deflate(strm, last && len == 0 ? Z_FINISH : Z_NO_FLUSH); - left = CHUNK - strm->avail_out; - while (left) { - len = write(gd, out + CHUNK - strm->avail_out - left, left); - if (len == -1) bye("writing gzip file", ""); - left -= (unsigned)len; - } - } while (strm->avail_out == 0 && ret != Z_STREAM_END); - } while (len != 0); - - /* write trailer after last entry */ - if (last) { - deflateEnd(strm); - out[0] = (unsigned char)(strm->adler); - out[1] = (unsigned char)(strm->adler >> 8); - out[2] = (unsigned char)(strm->adler >> 16); - out[3] = (unsigned char)(strm->adler >> 24); - out[4] = (unsigned char)(strm->total_in); - out[5] = (unsigned char)(strm->total_in >> 8); - out[6] = (unsigned char)(strm->total_in >> 16); - out[7] = (unsigned char)(strm->total_in >> 24); - len = 8; - do { - ret = write(gd, out + 8 - len, len); - if (ret == -1) bye("writing gzip file", ""); - len -= ret; - } while (len); - close(gd); - } - - /* clean up and return */ - free(out); - free(in); - if (fd > 0) close(fd); -} - -/* process the compression level option if present, scan the gzip file, and - append the specified files, or append the data from stdin if no other file - names are provided on the command line -- the gzip file must be writable - and seekable */ -int main(int argc, char **argv) -{ - int gd, level; - z_stream strm; - - /* ignore command name */ - argc--; argv++; - - /* provide usage if no arguments */ - if (*argv == NULL) { - printf( - "gzappend 1.2 (11 Oct 2012) Copyright (C) 2003, 2012 Mark Adler\n" - ); - printf( - "usage: gzappend [-level] file.gz [ addthis [ andthis ... ]]\n"); - return 0; - } - - /* set compression level */ - level = Z_DEFAULT_COMPRESSION; - if (argv[0][0] == '-') { - if (argv[0][1] < '0' || argv[0][1] > '9' || argv[0][2] != 0) - bye("invalid compression level", ""); - level = argv[0][1] - '0'; - if (*++argv == NULL) bye("no gzip file name after options", ""); - } - - /* prepare to append to gzip file */ - gd = gzscan(*argv++, &strm, level); - - /* append files on command line, or from stdin if none */ - if (*argv == NULL) - gztack(NULL, gd, &strm, 1); - else - do { - gztack(*argv, gd, &strm, argv[1] == NULL); - } while (*++argv != NULL); - return 0; -} diff --git a/deps/zlib/examples/gzjoin.c b/deps/zlib/examples/gzjoin.c deleted file mode 100644 index 89e8098441b6b5..00000000000000 --- a/deps/zlib/examples/gzjoin.c +++ /dev/null @@ -1,449 +0,0 @@ -/* gzjoin -- command to join gzip files into one gzip file - - Copyright (C) 2004, 2005, 2012 Mark Adler, all rights reserved - version 1.2, 14 Aug 2012 - - This software is provided 'as-is', without any express or implied - warranty. In no event will the author be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - Mark Adler madler@alumni.caltech.edu - */ - -/* - * Change history: - * - * 1.0 11 Dec 2004 - First version - * 1.1 12 Jun 2005 - Changed ssize_t to long for portability - * 1.2 14 Aug 2012 - Clean up for z_const usage - */ - -/* - gzjoin takes one or more gzip files on the command line and writes out a - single gzip file that will uncompress to the concatenation of the - uncompressed data from the individual gzip files. gzjoin does this without - having to recompress any of the data and without having to calculate a new - crc32 for the concatenated uncompressed data. gzjoin does however have to - decompress all of the input data in order to find the bits in the compressed - data that need to be modified to concatenate the streams. - - gzjoin does not do an integrity check on the input gzip files other than - checking the gzip header and decompressing the compressed data. They are - otherwise assumed to be complete and correct. - - Each joint between gzip files removes at least 18 bytes of previous trailer - and subsequent header, and inserts an average of about three bytes to the - compressed data in order to connect the streams. The output gzip file - has a minimal ten-byte gzip header with no file name or modification time. - - This program was written to illustrate the use of the Z_BLOCK option of - inflate() and the crc32_combine() function. gzjoin will not compile with - versions of zlib earlier than 1.2.3. - */ - -#include /* fputs(), fprintf(), fwrite(), putc() */ -#include /* exit(), malloc(), free() */ -#include /* open() */ -#include /* close(), read(), lseek() */ -#include "zlib.h" - /* crc32(), crc32_combine(), inflateInit2(), inflate(), inflateEnd() */ - -#define local static - -/* exit with an error (return a value to allow use in an expression) */ -local int bail(char *why1, char *why2) -{ - fprintf(stderr, "gzjoin error: %s%s, output incomplete\n", why1, why2); - exit(1); - return 0; -} - -/* -- simple buffered file input with access to the buffer -- */ - -#define CHUNK 32768 /* must be a power of two and fit in unsigned */ - -/* bin buffered input file type */ -typedef struct { - char *name; /* name of file for error messages */ - int fd; /* file descriptor */ - unsigned left; /* bytes remaining at next */ - unsigned char *next; /* next byte to read */ - unsigned char *buf; /* allocated buffer of length CHUNK */ -} bin; - -/* close a buffered file and free allocated memory */ -local void bclose(bin *in) -{ - if (in != NULL) { - if (in->fd != -1) - close(in->fd); - if (in->buf != NULL) - free(in->buf); - free(in); - } -} - -/* open a buffered file for input, return a pointer to type bin, or NULL on - failure */ -local bin *bopen(char *name) -{ - bin *in; - - in = malloc(sizeof(bin)); - if (in == NULL) - return NULL; - in->buf = malloc(CHUNK); - in->fd = open(name, O_RDONLY, 0); - if (in->buf == NULL || in->fd == -1) { - bclose(in); - return NULL; - } - in->left = 0; - in->next = in->buf; - in->name = name; - return in; -} - -/* load buffer from file, return -1 on read error, 0 or 1 on success, with - 1 indicating that end-of-file was reached */ -local int bload(bin *in) -{ - long len; - - if (in == NULL) - return -1; - if (in->left != 0) - return 0; - in->next = in->buf; - do { - len = (long)read(in->fd, in->buf + in->left, CHUNK - in->left); - if (len < 0) - return -1; - in->left += (unsigned)len; - } while (len != 0 && in->left < CHUNK); - return len == 0 ? 1 : 0; -} - -/* get a byte from the file, bail if end of file */ -#define bget(in) (in->left ? 0 : bload(in), \ - in->left ? (in->left--, *(in->next)++) : \ - bail("unexpected end of file on ", in->name)) - -/* get a four-byte little-endian unsigned integer from file */ -local unsigned long bget4(bin *in) -{ - unsigned long val; - - val = bget(in); - val += (unsigned long)(bget(in)) << 8; - val += (unsigned long)(bget(in)) << 16; - val += (unsigned long)(bget(in)) << 24; - return val; -} - -/* skip bytes in file */ -local void bskip(bin *in, unsigned skip) -{ - /* check pointer */ - if (in == NULL) - return; - - /* easy case -- skip bytes in buffer */ - if (skip <= in->left) { - in->left -= skip; - in->next += skip; - return; - } - - /* skip what's in buffer, discard buffer contents */ - skip -= in->left; - in->left = 0; - - /* seek past multiples of CHUNK bytes */ - if (skip > CHUNK) { - unsigned left; - - left = skip & (CHUNK - 1); - if (left == 0) { - /* exact number of chunks: seek all the way minus one byte to check - for end-of-file with a read */ - lseek(in->fd, skip - 1, SEEK_CUR); - if (read(in->fd, in->buf, 1) != 1) - bail("unexpected end of file on ", in->name); - return; - } - - /* skip the integral chunks, update skip with remainder */ - lseek(in->fd, skip - left, SEEK_CUR); - skip = left; - } - - /* read more input and skip remainder */ - bload(in); - if (skip > in->left) - bail("unexpected end of file on ", in->name); - in->left -= skip; - in->next += skip; -} - -/* -- end of buffered input functions -- */ - -/* skip the gzip header from file in */ -local void gzhead(bin *in) -{ - int flags; - - /* verify gzip magic header and compression method */ - if (bget(in) != 0x1f || bget(in) != 0x8b || bget(in) != 8) - bail(in->name, " is not a valid gzip file"); - - /* get and verify flags */ - flags = bget(in); - if ((flags & 0xe0) != 0) - bail("unknown reserved bits set in ", in->name); - - /* skip modification time, extra flags, and os */ - bskip(in, 6); - - /* skip extra field if present */ - if (flags & 4) { - unsigned len; - - len = bget(in); - len += (unsigned)(bget(in)) << 8; - bskip(in, len); - } - - /* skip file name if present */ - if (flags & 8) - while (bget(in) != 0) - ; - - /* skip comment if present */ - if (flags & 16) - while (bget(in) != 0) - ; - - /* skip header crc if present */ - if (flags & 2) - bskip(in, 2); -} - -/* write a four-byte little-endian unsigned integer to out */ -local void put4(unsigned long val, FILE *out) -{ - putc(val & 0xff, out); - putc((val >> 8) & 0xff, out); - putc((val >> 16) & 0xff, out); - putc((val >> 24) & 0xff, out); -} - -/* Load up zlib stream from buffered input, bail if end of file */ -local void zpull(z_streamp strm, bin *in) -{ - if (in->left == 0) - bload(in); - if (in->left == 0) - bail("unexpected end of file on ", in->name); - strm->avail_in = in->left; - strm->next_in = in->next; -} - -/* Write header for gzip file to out and initialize trailer. */ -local void gzinit(unsigned long *crc, unsigned long *tot, FILE *out) -{ - fwrite("\x1f\x8b\x08\0\0\0\0\0\0\xff", 1, 10, out); - *crc = crc32(0L, Z_NULL, 0); - *tot = 0; -} - -/* Copy the compressed data from name, zeroing the last block bit of the last - block if clr is true, and adding empty blocks as needed to get to a byte - boundary. If clr is false, then the last block becomes the last block of - the output, and the gzip trailer is written. crc and tot maintains the - crc and length (modulo 2^32) of the output for the trailer. The resulting - gzip file is written to out. gzinit() must be called before the first call - of gzcopy() to write the gzip header and to initialize crc and tot. */ -local void gzcopy(char *name, int clr, unsigned long *crc, unsigned long *tot, - FILE *out) -{ - int ret; /* return value from zlib functions */ - int pos; /* where the "last block" bit is in byte */ - int last; /* true if processing the last block */ - bin *in; /* buffered input file */ - unsigned char *start; /* start of compressed data in buffer */ - unsigned char *junk; /* buffer for uncompressed data -- discarded */ - z_off_t len; /* length of uncompressed data (support > 4 GB) */ - z_stream strm; /* zlib inflate stream */ - - /* open gzip file and skip header */ - in = bopen(name); - if (in == NULL) - bail("could not open ", name); - gzhead(in); - - /* allocate buffer for uncompressed data and initialize raw inflate - stream */ - junk = malloc(CHUNK); - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit2(&strm, -15); - if (junk == NULL || ret != Z_OK) - bail("out of memory", ""); - - /* inflate and copy compressed data, clear last-block bit if requested */ - len = 0; - zpull(&strm, in); - start = in->next; - last = start[0] & 1; - if (last && clr) - start[0] &= ~1; - strm.avail_out = 0; - for (;;) { - /* if input used and output done, write used input and get more */ - if (strm.avail_in == 0 && strm.avail_out != 0) { - fwrite(start, 1, strm.next_in - start, out); - start = in->buf; - in->left = 0; - zpull(&strm, in); - } - - /* decompress -- return early when end-of-block reached */ - strm.avail_out = CHUNK; - strm.next_out = junk; - ret = inflate(&strm, Z_BLOCK); - switch (ret) { - case Z_MEM_ERROR: - bail("out of memory", ""); - case Z_DATA_ERROR: - bail("invalid compressed data in ", in->name); - } - - /* update length of uncompressed data */ - len += CHUNK - strm.avail_out; - - /* check for block boundary (only get this when block copied out) */ - if (strm.data_type & 128) { - /* if that was the last block, then done */ - if (last) - break; - - /* number of unused bits in last byte */ - pos = strm.data_type & 7; - - /* find the next last-block bit */ - if (pos != 0) { - /* next last-block bit is in last used byte */ - pos = 0x100 >> pos; - last = strm.next_in[-1] & pos; - if (last && clr) - in->buf[strm.next_in - in->buf - 1] &= ~pos; - } - else { - /* next last-block bit is in next unused byte */ - if (strm.avail_in == 0) { - /* don't have that byte yet -- get it */ - fwrite(start, 1, strm.next_in - start, out); - start = in->buf; - in->left = 0; - zpull(&strm, in); - } - last = strm.next_in[0] & 1; - if (last && clr) - in->buf[strm.next_in - in->buf] &= ~1; - } - } - } - - /* update buffer with unused input */ - in->left = strm.avail_in; - in->next = in->buf + (strm.next_in - in->buf); - - /* copy used input, write empty blocks to get to byte boundary */ - pos = strm.data_type & 7; - fwrite(start, 1, in->next - start - 1, out); - last = in->next[-1]; - if (pos == 0 || !clr) - /* already at byte boundary, or last file: write last byte */ - putc(last, out); - else { - /* append empty blocks to last byte */ - last &= ((0x100 >> pos) - 1); /* assure unused bits are zero */ - if (pos & 1) { - /* odd -- append an empty stored block */ - putc(last, out); - if (pos == 1) - putc(0, out); /* two more bits in block header */ - fwrite("\0\0\xff\xff", 1, 4, out); - } - else { - /* even -- append 1, 2, or 3 empty fixed blocks */ - switch (pos) { - case 6: - putc(last | 8, out); - last = 0; - case 4: - putc(last | 0x20, out); - last = 0; - case 2: - putc(last | 0x80, out); - putc(0, out); - } - } - } - - /* update crc and tot */ - *crc = crc32_combine(*crc, bget4(in), len); - *tot += (unsigned long)len; - - /* clean up */ - inflateEnd(&strm); - free(junk); - bclose(in); - - /* write trailer if this is the last gzip file */ - if (!clr) { - put4(*crc, out); - put4(*tot, out); - } -} - -/* join the gzip files on the command line, write result to stdout */ -int main(int argc, char **argv) -{ - unsigned long crc, tot; /* running crc and total uncompressed length */ - - /* skip command name */ - argc--; - argv++; - - /* show usage if no arguments */ - if (argc == 0) { - fputs("gzjoin usage: gzjoin f1.gz [f2.gz [f3.gz ...]] > fjoin.gz\n", - stderr); - return 0; - } - - /* join gzip files on command line and write to stdout */ - gzinit(&crc, &tot, stdout); - while (argc--) - gzcopy(*argv++, argc, &crc, &tot, stdout); - - /* done */ - return 0; -} diff --git a/deps/zlib/examples/gzlog.c b/deps/zlib/examples/gzlog.c deleted file mode 100644 index b8c29274e8b9ec..00000000000000 --- a/deps/zlib/examples/gzlog.c +++ /dev/null @@ -1,1059 +0,0 @@ -/* - * gzlog.c - * Copyright (C) 2004, 2008, 2012, 2016 Mark Adler, all rights reserved - * For conditions of distribution and use, see copyright notice in gzlog.h - * version 2.2, 14 Aug 2012 - */ - -/* - gzlog provides a mechanism for frequently appending short strings to a gzip - file that is efficient both in execution time and compression ratio. The - strategy is to write the short strings in an uncompressed form to the end of - the gzip file, only compressing when the amount of uncompressed data has - reached a given threshold. - - gzlog also provides protection against interruptions in the process due to - system crashes. The status of the operation is recorded in an extra field - in the gzip file, and is only updated once the gzip file is brought to a - valid state. The last data to be appended or compressed is saved in an - auxiliary file, so that if the operation is interrupted, it can be completed - the next time an append operation is attempted. - - gzlog maintains another auxiliary file with the last 32K of data from the - compressed portion, which is preloaded for the compression of the subsequent - data. This minimizes the impact to the compression ratio of appending. - */ - -/* - Operations Concept: - - Files (log name "foo"): - foo.gz -- gzip file with the complete log - foo.add -- last message to append or last data to compress - foo.dict -- dictionary of the last 32K of data for next compression - foo.temp -- temporary dictionary file for compression after this one - foo.lock -- lock file for reading and writing the other files - foo.repairs -- log file for log file recovery operations (not compressed) - - gzip file structure: - - fixed-length (no file name) header with extra field (see below) - - compressed data ending initially with empty stored block - - uncompressed data filling out originally empty stored block and - subsequent stored blocks as needed (16K max each) - - gzip trailer - - no junk at end (no other gzip streams) - - When appending data, the information in the first three items above plus the - foo.add file are sufficient to recover an interrupted append operation. The - extra field has the necessary information to restore the start of the last - stored block and determine where to append the data in the foo.add file, as - well as the crc and length of the gzip data before the append operation. - - The foo.add file is created before the gzip file is marked for append, and - deleted after the gzip file is marked as complete. So if the append - operation is interrupted, the data to add will still be there. If due to - some external force, the foo.add file gets deleted between when the append - operation was interrupted and when recovery is attempted, the gzip file will - still be restored, but without the appended data. - - When compressing data, the information in the first two items above plus the - foo.add file are sufficient to recover an interrupted compress operation. - The extra field has the necessary information to find the end of the - compressed data, and contains both the crc and length of just the compressed - data and of the complete set of data including the contents of the foo.add - file. - - Again, the foo.add file is maintained during the compress operation in case - of an interruption. If in the unlikely event the foo.add file with the data - to be compressed is missing due to some external force, a gzip file with - just the previous compressed data will be reconstructed. In this case, all - of the data that was to be compressed is lost (approximately one megabyte). - This will not occur if all that happened was an interruption of the compress - operation. - - The third state that is marked is the replacement of the old dictionary with - the new dictionary after a compress operation. Once compression is - complete, the gzip file is marked as being in the replace state. This - completes the gzip file, so an interrupt after being so marked does not - result in recompression. Then the dictionary file is replaced, and the gzip - file is marked as completed. This state prevents the possibility of - restarting compression with the wrong dictionary file. - - All three operations are wrapped by a lock/unlock procedure. In order to - gain exclusive access to the log files, first a foo.lock file must be - exclusively created. When all operations are complete, the lock is - released by deleting the foo.lock file. If when attempting to create the - lock file, it already exists and the modify time of the lock file is more - than five minutes old (set by the PATIENCE define below), then the old - lock file is considered stale and deleted, and the exclusive creation of - the lock file is retried. To assure that there are no false assessments - of the staleness of the lock file, the operations periodically touch the - lock file to update the modified date. - - Following is the definition of the extra field with all of the information - required to enable the above append and compress operations and their - recovery if interrupted. Multi-byte values are stored little endian - (consistent with the gzip format). File pointers are eight bytes long. - The crc's and lengths for the gzip trailer are four bytes long. (Note that - the length at the end of a gzip file is used for error checking only, and - for large files is actually the length modulo 2^32.) The stored block - length is two bytes long. The gzip extra field two-byte identification is - "ap" for append. It is assumed that writing the extra field to the file is - an "atomic" operation. That is, either all of the extra field is written - to the file, or none of it is, if the operation is interrupted right at the - point of updating the extra field. This is a reasonable assumption, since - the extra field is within the first 52 bytes of the file, which is smaller - than any expected block size for a mass storage device (usually 512 bytes or - larger). - - Extra field (35 bytes): - - Pointer to first stored block length -- this points to the two-byte length - of the first stored block, which is followed by the two-byte, one's - complement of that length. The stored block length is preceded by the - three-bit header of the stored block, which is the actual start of the - stored block in the deflate format. See the bit offset field below. - - Pointer to the last stored block length. This is the same as above, but - for the last stored block of the uncompressed data in the gzip file. - Initially this is the same as the first stored block length pointer. - When the stored block gets to 16K (see the MAX_STORE define), then a new - stored block as added, at which point the last stored block length pointer - is different from the first stored block length pointer. When they are - different, the first bit of the last stored block header is eight bits, or - one byte back from the block length. - - Compressed data crc and length. This is the crc and length of the data - that is in the compressed portion of the deflate stream. These are used - only in the event that the foo.add file containing the data to compress is - lost after a compress operation is interrupted. - - Total data crc and length. This is the crc and length of all of the data - stored in the gzip file, compressed and uncompressed. It is used to - reconstruct the gzip trailer when compressing, as well as when recovering - interrupted operations. - - Final stored block length. This is used to quickly find where to append, - and allows the restoration of the original final stored block state when - an append operation is interrupted. - - First stored block start as the number of bits back from the final stored - block first length byte. This value is in the range of 3..10, and is - stored as the low three bits of the final byte of the extra field after - subtracting three (0..7). This allows the last-block bit of the stored - block header to be updated when a new stored block is added, for the case - when the first stored block and the last stored block are the same. (When - they are different, the numbers of bits back is known to be eight.) This - also allows for new compressed data to be appended to the old compressed - data in the compress operation, overwriting the previous first stored - block, or for the compressed data to be terminated and a valid gzip file - reconstructed on the off chance that a compression operation was - interrupted and the data to compress in the foo.add file was deleted. - - The operation in process. This is the next two bits in the last byte (the - bits under the mask 0x18). The are interpreted as 0: nothing in process, - 1: append in process, 2: compress in process, 3: replace in process. - - The top three bits of the last byte in the extra field are reserved and - are currently set to zero. - - Main procedure: - - Exclusively create the foo.lock file using the O_CREAT and O_EXCL modes of - the system open() call. If the modify time of an existing lock file is - more than PATIENCE seconds old, then the lock file is deleted and the - exclusive create is retried. - - Load the extra field from the foo.gz file, and see if an operation was in - progress but not completed. If so, apply the recovery procedure below. - - Perform the append procedure with the provided data. - - If the uncompressed data in the foo.gz file is 1MB or more, apply the - compress procedure. - - Delete the foo.lock file. - - Append procedure: - - Put what to append in the foo.add file so that the operation can be - restarted if this procedure is interrupted. - - Mark the foo.gz extra field with the append operation in progress. - + Restore the original last-block bit and stored block length of the last - stored block from the information in the extra field, in case a previous - append operation was interrupted. - - Append the provided data to the last stored block, creating new stored - blocks as needed and updating the stored blocks last-block bits and - lengths. - - Update the crc and length with the new data, and write the gzip trailer. - - Write over the extra field (with a single write operation) with the new - pointers, lengths, and crc's, and mark the gzip file as not in process. - Though there is still a foo.add file, it will be ignored since nothing - is in process. If a foo.add file is leftover from a previously - completed operation, it is truncated when writing new data to it. - - Delete the foo.add file. - - Compress and replace procedures: - - Read all of the uncompressed data in the stored blocks in foo.gz and write - it to foo.add. Also write foo.temp with the last 32K of that data to - provide a dictionary for the next invocation of this procedure. - - Rewrite the extra field marking foo.gz with a compression in process. - * If there is no data provided to compress (due to a missing foo.add file - when recovering), reconstruct and truncate the foo.gz file to contain - only the previous compressed data and proceed to the step after the next - one. Otherwise ... - - Compress the data with the dictionary in foo.dict, and write to the - foo.gz file starting at the bit immediately following the last previously - compressed block. If there is no foo.dict, proceed anyway with the - compression at slightly reduced efficiency. (For the foo.dict file to be - missing requires some external failure beyond simply the interruption of - a compress operation.) During this process, the foo.lock file is - periodically touched to assure that that file is not considered stale by - another process before we're done. The deflation is terminated with a - non-last empty static block (10 bits long), that is then located and - written over by a last-bit-set empty stored block. - - Append the crc and length of the data in the gzip file (previously - calculated during the append operations). - - Write over the extra field with the updated stored block offsets, bits - back, crc's, and lengths, and mark foo.gz as in process for a replacement - of the dictionary. - @ Delete the foo.add file. - - Replace foo.dict with foo.temp. - - Write over the extra field, marking foo.gz as complete. - - Recovery procedure: - - If not a replace recovery, read in the foo.add file, and provide that data - to the appropriate recovery below. If there is no foo.add file, provide - a zero data length to the recovery. In that case, the append recovery - restores the foo.gz to the previous compressed + uncompressed data state. - For the the compress recovery, a missing foo.add file results in foo.gz - being restored to the previous compressed-only data state. - - Append recovery: - - Pick up append at + step above - - Compress recovery: - - Pick up compress at * step above - - Replace recovery: - - Pick up compress at @ step above - - Log the repair with a date stamp in foo.repairs - */ - -#include -#include /* rename, fopen, fprintf, fclose */ -#include /* malloc, free */ -#include /* strlen, strrchr, strcpy, strncpy, strcmp */ -#include /* open */ -#include /* lseek, read, write, close, unlink, sleep, */ - /* ftruncate, fsync */ -#include /* errno */ -#include /* time, ctime */ -#include /* stat */ -#include /* utimes */ -#include "zlib.h" /* crc32 */ - -#include "gzlog.h" /* header for external access */ - -#define local static -typedef unsigned int uint; -typedef unsigned long ulong; - -/* Macro for debugging to deterministically force recovery operations */ -#ifdef GZLOG_DEBUG - #include /* longjmp */ - jmp_buf gzlog_jump; /* where to go back to */ - int gzlog_bail = 0; /* which point to bail at (1..8) */ - int gzlog_count = -1; /* number of times through to wait */ -# define BAIL(n) do { if (n == gzlog_bail && gzlog_count-- == 0) \ - longjmp(gzlog_jump, gzlog_bail); } while (0) -#else -# define BAIL(n) -#endif - -/* how old the lock file can be in seconds before considering it stale */ -#define PATIENCE 300 - -/* maximum stored block size in Kbytes -- must be in 1..63 */ -#define MAX_STORE 16 - -/* number of stored Kbytes to trigger compression (must be >= 32 to allow - dictionary construction, and <= 204 * MAX_STORE, in order for >> 10 to - discard the stored block headers contribution of five bytes each) */ -#define TRIGGER 1024 - -/* size of a deflate dictionary (this cannot be changed) */ -#define DICT 32768U - -/* values for the operation (2 bits) */ -#define NO_OP 0 -#define APPEND_OP 1 -#define COMPRESS_OP 2 -#define REPLACE_OP 3 - -/* macros to extract little-endian integers from an unsigned byte buffer */ -#define PULL2(p) ((p)[0]+((uint)((p)[1])<<8)) -#define PULL4(p) (PULL2(p)+((ulong)PULL2(p+2)<<16)) -#define PULL8(p) (PULL4(p)+((off_t)PULL4(p+4)<<32)) - -/* macros to store integers into a byte buffer in little-endian order */ -#define PUT2(p,a) do {(p)[0]=a;(p)[1]=(a)>>8;} while(0) -#define PUT4(p,a) do {PUT2(p,a);PUT2(p+2,a>>16);} while(0) -#define PUT8(p,a) do {PUT4(p,a);PUT4(p+4,a>>32);} while(0) - -/* internal structure for log information */ -#define LOGID "\106\035\172" /* should be three non-zero characters */ -struct log { - char id[4]; /* contains LOGID to detect inadvertent overwrites */ - int fd; /* file descriptor for .gz file, opened read/write */ - char *path; /* allocated path, e.g. "/var/log/foo" or "foo" */ - char *end; /* end of path, for appending suffices such as ".gz" */ - off_t first; /* offset of first stored block first length byte */ - int back; /* location of first block id in bits back from first */ - uint stored; /* bytes currently in last stored block */ - off_t last; /* offset of last stored block first length byte */ - ulong ccrc; /* crc of compressed data */ - ulong clen; /* length (modulo 2^32) of compressed data */ - ulong tcrc; /* crc of total data */ - ulong tlen; /* length (modulo 2^32) of total data */ - time_t lock; /* last modify time of our lock file */ -}; - -/* gzip header for gzlog */ -local unsigned char log_gzhead[] = { - 0x1f, 0x8b, /* magic gzip id */ - 8, /* compression method is deflate */ - 4, /* there is an extra field (no file name) */ - 0, 0, 0, 0, /* no modification time provided */ - 0, 0xff, /* no extra flags, no OS specified */ - 39, 0, 'a', 'p', 35, 0 /* extra field with "ap" subfield */ - /* 35 is EXTRA, 39 is EXTRA + 4 */ -}; - -#define HEAD sizeof(log_gzhead) /* should be 16 */ - -/* initial gzip extra field content (52 == HEAD + EXTRA + 1) */ -local unsigned char log_gzext[] = { - 52, 0, 0, 0, 0, 0, 0, 0, /* offset of first stored block length */ - 52, 0, 0, 0, 0, 0, 0, 0, /* offset of last stored block length */ - 0, 0, 0, 0, 0, 0, 0, 0, /* compressed data crc and length */ - 0, 0, 0, 0, 0, 0, 0, 0, /* total data crc and length */ - 0, 0, /* final stored block data length */ - 5 /* op is NO_OP, last bit 8 bits back */ -}; - -#define EXTRA sizeof(log_gzext) /* should be 35 */ - -/* initial gzip data and trailer */ -local unsigned char log_gzbody[] = { - 1, 0, 0, 0xff, 0xff, /* empty stored block (last) */ - 0, 0, 0, 0, /* crc */ - 0, 0, 0, 0 /* uncompressed length */ -}; - -#define BODY sizeof(log_gzbody) - -/* Exclusively create foo.lock in order to negotiate exclusive access to the - foo.* files. If the modify time of an existing lock file is greater than - PATIENCE seconds in the past, then consider the lock file to have been - abandoned, delete it, and try the exclusive create again. Save the lock - file modify time for verification of ownership. Return 0 on success, or -1 - on failure, usually due to an access restriction or invalid path. Note that - if stat() or unlink() fails, it may be due to another process noticing the - abandoned lock file a smidge sooner and deleting it, so those are not - flagged as an error. */ -local int log_lock(struct log *log) -{ - int fd; - struct stat st; - - strcpy(log->end, ".lock"); - while ((fd = open(log->path, O_CREAT | O_EXCL, 0644)) < 0) { - if (errno != EEXIST) - return -1; - if (stat(log->path, &st) == 0 && time(NULL) - st.st_mtime > PATIENCE) { - unlink(log->path); - continue; - } - sleep(2); /* relinquish the CPU for two seconds while waiting */ - } - close(fd); - if (stat(log->path, &st) == 0) - log->lock = st.st_mtime; - return 0; -} - -/* Update the modify time of the lock file to now, in order to prevent another - task from thinking that the lock is stale. Save the lock file modify time - for verification of ownership. */ -local void log_touch(struct log *log) -{ - struct stat st; - - strcpy(log->end, ".lock"); - utimes(log->path, NULL); - if (stat(log->path, &st) == 0) - log->lock = st.st_mtime; -} - -/* Check the log file modify time against what is expected. Return true if - this is not our lock. If it is our lock, touch it to keep it. */ -local int log_check(struct log *log) -{ - struct stat st; - - strcpy(log->end, ".lock"); - if (stat(log->path, &st) || st.st_mtime != log->lock) - return 1; - log_touch(log); - return 0; -} - -/* Unlock a previously acquired lock, but only if it's ours. */ -local void log_unlock(struct log *log) -{ - if (log_check(log)) - return; - strcpy(log->end, ".lock"); - unlink(log->path); - log->lock = 0; -} - -/* Check the gzip header and read in the extra field, filling in the values in - the log structure. Return op on success or -1 if the gzip header was not as - expected. op is the current operation in progress last written to the extra - field. This assumes that the gzip file has already been opened, with the - file descriptor log->fd. */ -local int log_head(struct log *log) -{ - int op; - unsigned char buf[HEAD + EXTRA]; - - if (lseek(log->fd, 0, SEEK_SET) < 0 || - read(log->fd, buf, HEAD + EXTRA) != HEAD + EXTRA || - memcmp(buf, log_gzhead, HEAD)) { - return -1; - } - log->first = PULL8(buf + HEAD); - log->last = PULL8(buf + HEAD + 8); - log->ccrc = PULL4(buf + HEAD + 16); - log->clen = PULL4(buf + HEAD + 20); - log->tcrc = PULL4(buf + HEAD + 24); - log->tlen = PULL4(buf + HEAD + 28); - log->stored = PULL2(buf + HEAD + 32); - log->back = 3 + (buf[HEAD + 34] & 7); - op = (buf[HEAD + 34] >> 3) & 3; - return op; -} - -/* Write over the extra field contents, marking the operation as op. Use fsync - to assure that the device is written to, and in the requested order. This - operation, and only this operation, is assumed to be atomic in order to - assure that the log is recoverable in the event of an interruption at any - point in the process. Return -1 if the write to foo.gz failed. */ -local int log_mark(struct log *log, int op) -{ - int ret; - unsigned char ext[EXTRA]; - - PUT8(ext, log->first); - PUT8(ext + 8, log->last); - PUT4(ext + 16, log->ccrc); - PUT4(ext + 20, log->clen); - PUT4(ext + 24, log->tcrc); - PUT4(ext + 28, log->tlen); - PUT2(ext + 32, log->stored); - ext[34] = log->back - 3 + (op << 3); - fsync(log->fd); - ret = lseek(log->fd, HEAD, SEEK_SET) < 0 || - write(log->fd, ext, EXTRA) != EXTRA ? -1 : 0; - fsync(log->fd); - return ret; -} - -/* Rewrite the last block header bits and subsequent zero bits to get to a byte - boundary, setting the last block bit if last is true, and then write the - remainder of the stored block header (length and one's complement). Leave - the file pointer after the end of the last stored block data. Return -1 if - there is a read or write failure on the foo.gz file */ -local int log_last(struct log *log, int last) -{ - int back, len, mask; - unsigned char buf[6]; - - /* determine the locations of the bytes and bits to modify */ - back = log->last == log->first ? log->back : 8; - len = back > 8 ? 2 : 1; /* bytes back from log->last */ - mask = 0x80 >> ((back - 1) & 7); /* mask for block last-bit */ - - /* get the byte to modify (one or two back) into buf[0] -- don't need to - read the byte if the last-bit is eight bits back, since in that case - the entire byte will be modified */ - buf[0] = 0; - if (back != 8 && (lseek(log->fd, log->last - len, SEEK_SET) < 0 || - read(log->fd, buf, 1) != 1)) - return -1; - - /* change the last-bit of the last stored block as requested -- note - that all bits above the last-bit are set to zero, per the type bits - of a stored block being 00 and per the convention that the bits to - bring the stream to a byte boundary are also zeros */ - buf[1] = 0; - buf[2 - len] = (*buf & (mask - 1)) + (last ? mask : 0); - - /* write the modified stored block header and lengths, move the file - pointer to after the last stored block data */ - PUT2(buf + 2, log->stored); - PUT2(buf + 4, log->stored ^ 0xffff); - return lseek(log->fd, log->last - len, SEEK_SET) < 0 || - write(log->fd, buf + 2 - len, len + 4) != len + 4 || - lseek(log->fd, log->stored, SEEK_CUR) < 0 ? -1 : 0; -} - -/* Append len bytes from data to the locked and open log file. len may be zero - if recovering and no .add file was found. In that case, the previous state - of the foo.gz file is restored. The data is appended uncompressed in - deflate stored blocks. Return -1 if there was an error reading or writing - the foo.gz file. */ -local int log_append(struct log *log, unsigned char *data, size_t len) -{ - uint put; - off_t end; - unsigned char buf[8]; - - /* set the last block last-bit and length, in case recovering an - interrupted append, then position the file pointer to append to the - block */ - if (log_last(log, 1)) - return -1; - - /* append, adding stored blocks and updating the offset of the last stored - block as needed, and update the total crc and length */ - while (len) { - /* append as much as we can to the last block */ - put = (MAX_STORE << 10) - log->stored; - if (put > len) - put = (uint)len; - if (put) { - if (write(log->fd, data, put) != put) - return -1; - BAIL(1); - log->tcrc = crc32(log->tcrc, data, put); - log->tlen += put; - log->stored += put; - data += put; - len -= put; - } - - /* if we need to, add a new empty stored block */ - if (len) { - /* mark current block as not last */ - if (log_last(log, 0)) - return -1; - - /* point to new, empty stored block */ - log->last += 4 + log->stored + 1; - log->stored = 0; - } - - /* mark last block as last, update its length */ - if (log_last(log, 1)) - return -1; - BAIL(2); - } - - /* write the new crc and length trailer, and truncate just in case (could - be recovering from partial append with a missing foo.add file) */ - PUT4(buf, log->tcrc); - PUT4(buf + 4, log->tlen); - if (write(log->fd, buf, 8) != 8 || - (end = lseek(log->fd, 0, SEEK_CUR)) < 0 || ftruncate(log->fd, end)) - return -1; - - /* write the extra field, marking the log file as done, delete .add file */ - if (log_mark(log, NO_OP)) - return -1; - strcpy(log->end, ".add"); - unlink(log->path); /* ignore error, since may not exist */ - return 0; -} - -/* Replace the foo.dict file with the foo.temp file. Also delete the foo.add - file, since the compress operation may have been interrupted before that was - done. Returns 1 if memory could not be allocated, or -1 if reading or - writing foo.gz fails, or if the rename fails for some reason other than - foo.temp not existing. foo.temp not existing is a permitted error, since - the replace operation may have been interrupted after the rename is done, - but before foo.gz is marked as complete. */ -local int log_replace(struct log *log) -{ - int ret; - char *dest; - - /* delete foo.add file */ - strcpy(log->end, ".add"); - unlink(log->path); /* ignore error, since may not exist */ - BAIL(3); - - /* rename foo.name to foo.dict, replacing foo.dict if it exists */ - strcpy(log->end, ".dict"); - dest = malloc(strlen(log->path) + 1); - if (dest == NULL) - return -2; - strcpy(dest, log->path); - strcpy(log->end, ".temp"); - ret = rename(log->path, dest); - free(dest); - if (ret && errno != ENOENT) - return -1; - BAIL(4); - - /* mark the foo.gz file as done */ - return log_mark(log, NO_OP); -} - -/* Compress the len bytes at data and append the compressed data to the - foo.gz deflate data immediately after the previous compressed data. This - overwrites the previous uncompressed data, which was stored in foo.add - and is the data provided in data[0..len-1]. If this operation is - interrupted, it picks up at the start of this routine, with the foo.add - file read in again. If there is no data to compress (len == 0), then we - simply terminate the foo.gz file after the previously compressed data, - appending a final empty stored block and the gzip trailer. Return -1 if - reading or writing the log.gz file failed, or -2 if there was a memory - allocation failure. */ -local int log_compress(struct log *log, unsigned char *data, size_t len) -{ - int fd; - uint got, max; - ssize_t dict; - off_t end; - z_stream strm; - unsigned char buf[DICT]; - - /* compress and append compressed data */ - if (len) { - /* set up for deflate, allocating memory */ - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; - if (deflateInit2(&strm, Z_DEFAULT_COMPRESSION, Z_DEFLATED, -15, 8, - Z_DEFAULT_STRATEGY) != Z_OK) - return -2; - - /* read in dictionary (last 32K of data that was compressed) */ - strcpy(log->end, ".dict"); - fd = open(log->path, O_RDONLY, 0); - if (fd >= 0) { - dict = read(fd, buf, DICT); - close(fd); - if (dict < 0) { - deflateEnd(&strm); - return -1; - } - if (dict) - deflateSetDictionary(&strm, buf, (uint)dict); - } - log_touch(log); - - /* prime deflate with last bits of previous block, position write - pointer to write those bits and overwrite what follows */ - if (lseek(log->fd, log->first - (log->back > 8 ? 2 : 1), - SEEK_SET) < 0 || - read(log->fd, buf, 1) != 1 || lseek(log->fd, -1, SEEK_CUR) < 0) { - deflateEnd(&strm); - return -1; - } - deflatePrime(&strm, (8 - log->back) & 7, *buf); - - /* compress, finishing with a partial non-last empty static block */ - strm.next_in = data; - max = (((uint)0 - 1) >> 1) + 1; /* in case int smaller than size_t */ - do { - strm.avail_in = len > max ? max : (uint)len; - len -= strm.avail_in; - do { - strm.avail_out = DICT; - strm.next_out = buf; - deflate(&strm, len ? Z_NO_FLUSH : Z_PARTIAL_FLUSH); - got = DICT - strm.avail_out; - if (got && write(log->fd, buf, got) != got) { - deflateEnd(&strm); - return -1; - } - log_touch(log); - } while (strm.avail_out == 0); - } while (len); - deflateEnd(&strm); - BAIL(5); - - /* find start of empty static block -- scanning backwards the first one - bit is the second bit of the block, if the last byte is zero, then - we know the byte before that has a one in the top bit, since an - empty static block is ten bits long */ - if ((log->first = lseek(log->fd, -1, SEEK_CUR)) < 0 || - read(log->fd, buf, 1) != 1) - return -1; - log->first++; - if (*buf) { - log->back = 1; - while ((*buf & ((uint)1 << (8 - log->back++))) == 0) - ; /* guaranteed to terminate, since *buf != 0 */ - } - else - log->back = 10; - - /* update compressed crc and length */ - log->ccrc = log->tcrc; - log->clen = log->tlen; - } - else { - /* no data to compress -- fix up existing gzip stream */ - log->tcrc = log->ccrc; - log->tlen = log->clen; - } - - /* complete and truncate gzip stream */ - log->last = log->first; - log->stored = 0; - PUT4(buf, log->tcrc); - PUT4(buf + 4, log->tlen); - if (log_last(log, 1) || write(log->fd, buf, 8) != 8 || - (end = lseek(log->fd, 0, SEEK_CUR)) < 0 || ftruncate(log->fd, end)) - return -1; - BAIL(6); - - /* mark as being in the replace operation */ - if (log_mark(log, REPLACE_OP)) - return -1; - - /* execute the replace operation and mark the file as done */ - return log_replace(log); -} - -/* log a repair record to the .repairs file */ -local void log_log(struct log *log, int op, char *record) -{ - time_t now; - FILE *rec; - - now = time(NULL); - strcpy(log->end, ".repairs"); - rec = fopen(log->path, "a"); - if (rec == NULL) - return; - fprintf(rec, "%.24s %s recovery: %s\n", ctime(&now), op == APPEND_OP ? - "append" : (op == COMPRESS_OP ? "compress" : "replace"), record); - fclose(rec); - return; -} - -/* Recover the interrupted operation op. First read foo.add for recovering an - append or compress operation. Return -1 if there was an error reading or - writing foo.gz or reading an existing foo.add, or -2 if there was a memory - allocation failure. */ -local int log_recover(struct log *log, int op) -{ - int fd, ret = 0; - unsigned char *data = NULL; - size_t len = 0; - struct stat st; - - /* log recovery */ - log_log(log, op, "start"); - - /* load foo.add file if expected and present */ - if (op == APPEND_OP || op == COMPRESS_OP) { - strcpy(log->end, ".add"); - if (stat(log->path, &st) == 0 && st.st_size) { - len = (size_t)(st.st_size); - if ((off_t)len != st.st_size || - (data = malloc(st.st_size)) == NULL) { - log_log(log, op, "allocation failure"); - return -2; - } - if ((fd = open(log->path, O_RDONLY, 0)) < 0) { - log_log(log, op, ".add file read failure"); - return -1; - } - ret = (size_t)read(fd, data, len) != len; - close(fd); - if (ret) { - log_log(log, op, ".add file read failure"); - return -1; - } - log_log(log, op, "loaded .add file"); - } - else - log_log(log, op, "missing .add file!"); - } - - /* recover the interrupted operation */ - switch (op) { - case APPEND_OP: - ret = log_append(log, data, len); - break; - case COMPRESS_OP: - ret = log_compress(log, data, len); - break; - case REPLACE_OP: - ret = log_replace(log); - } - - /* log status */ - log_log(log, op, ret ? "failure" : "complete"); - - /* clean up */ - if (data != NULL) - free(data); - return ret; -} - -/* Close the foo.gz file (if open) and release the lock. */ -local void log_close(struct log *log) -{ - if (log->fd >= 0) - close(log->fd); - log->fd = -1; - log_unlock(log); -} - -/* Open foo.gz, verify the header, and load the extra field contents, after - first creating the foo.lock file to gain exclusive access to the foo.* - files. If foo.gz does not exist or is empty, then write the initial header, - extra, and body content of an empty foo.gz log file. If there is an error - creating the lock file due to access restrictions, or an error reading or - writing the foo.gz file, or if the foo.gz file is not a proper log file for - this object (e.g. not a gzip file or does not contain the expected extra - field), then return true. If there is an error, the lock is released. - Otherwise, the lock is left in place. */ -local int log_open(struct log *log) -{ - int op; - - /* release open file resource if left over -- can occur if lock lost - between gzlog_open() and gzlog_write() */ - if (log->fd >= 0) - close(log->fd); - log->fd = -1; - - /* negotiate exclusive access */ - if (log_lock(log) < 0) - return -1; - - /* open the log file, foo.gz */ - strcpy(log->end, ".gz"); - log->fd = open(log->path, O_RDWR | O_CREAT, 0644); - if (log->fd < 0) { - log_close(log); - return -1; - } - - /* if new, initialize foo.gz with an empty log, delete old dictionary */ - if (lseek(log->fd, 0, SEEK_END) == 0) { - if (write(log->fd, log_gzhead, HEAD) != HEAD || - write(log->fd, log_gzext, EXTRA) != EXTRA || - write(log->fd, log_gzbody, BODY) != BODY) { - log_close(log); - return -1; - } - strcpy(log->end, ".dict"); - unlink(log->path); - } - - /* verify log file and load extra field information */ - if ((op = log_head(log)) < 0) { - log_close(log); - return -1; - } - - /* check for interrupted process and if so, recover */ - if (op != NO_OP && log_recover(log, op)) { - log_close(log); - return -1; - } - - /* touch the lock file to prevent another process from grabbing it */ - log_touch(log); - return 0; -} - -/* See gzlog.h for the description of the external methods below */ -gzlog *gzlog_open(char *path) -{ - size_t n; - struct log *log; - - /* check arguments */ - if (path == NULL || *path == 0) - return NULL; - - /* allocate and initialize log structure */ - log = malloc(sizeof(struct log)); - if (log == NULL) - return NULL; - strcpy(log->id, LOGID); - log->fd = -1; - - /* save path and end of path for name construction */ - n = strlen(path); - log->path = malloc(n + 9); /* allow for ".repairs" */ - if (log->path == NULL) { - free(log); - return NULL; - } - strcpy(log->path, path); - log->end = log->path + n; - - /* gain exclusive access and verify log file -- may perform a - recovery operation if needed */ - if (log_open(log)) { - free(log->path); - free(log); - return NULL; - } - - /* return pointer to log structure */ - return log; -} - -/* gzlog_compress() return values: - 0: all good - -1: file i/o error (usually access issue) - -2: memory allocation failure - -3: invalid log pointer argument */ -int gzlog_compress(gzlog *logd) -{ - int fd, ret; - uint block; - size_t len, next; - unsigned char *data, buf[5]; - struct log *log = logd; - - /* check arguments */ - if (log == NULL || strcmp(log->id, LOGID)) - return -3; - - /* see if we lost the lock -- if so get it again and reload the extra - field information (it probably changed), recover last operation if - necessary */ - if (log_check(log) && log_open(log)) - return -1; - - /* create space for uncompressed data */ - len = ((size_t)(log->last - log->first) & ~(((size_t)1 << 10) - 1)) + - log->stored; - if ((data = malloc(len)) == NULL) - return -2; - - /* do statement here is just a cheap trick for error handling */ - do { - /* read in the uncompressed data */ - if (lseek(log->fd, log->first - 1, SEEK_SET) < 0) - break; - next = 0; - while (next < len) { - if (read(log->fd, buf, 5) != 5) - break; - block = PULL2(buf + 1); - if (next + block > len || - read(log->fd, (char *)data + next, block) != block) - break; - next += block; - } - if (lseek(log->fd, 0, SEEK_CUR) != log->last + 4 + log->stored) - break; - log_touch(log); - - /* write the uncompressed data to the .add file */ - strcpy(log->end, ".add"); - fd = open(log->path, O_WRONLY | O_CREAT | O_TRUNC, 0644); - if (fd < 0) - break; - ret = (size_t)write(fd, data, len) != len; - if (ret | close(fd)) - break; - log_touch(log); - - /* write the dictionary for the next compress to the .temp file */ - strcpy(log->end, ".temp"); - fd = open(log->path, O_WRONLY | O_CREAT | O_TRUNC, 0644); - if (fd < 0) - break; - next = DICT > len ? len : DICT; - ret = (size_t)write(fd, (char *)data + len - next, next) != next; - if (ret | close(fd)) - break; - log_touch(log); - - /* roll back to compressed data, mark the compress in progress */ - log->last = log->first; - log->stored = 0; - if (log_mark(log, COMPRESS_OP)) - break; - BAIL(7); - - /* compress and append the data (clears mark) */ - ret = log_compress(log, data, len); - free(data); - return ret; - } while (0); - - /* broke out of do above on i/o error */ - free(data); - return -1; -} - -/* gzlog_write() return values: - 0: all good - -1: file i/o error (usually access issue) - -2: memory allocation failure - -3: invalid log pointer argument */ -int gzlog_write(gzlog *logd, void *data, size_t len) -{ - int fd, ret; - struct log *log = logd; - - /* check arguments */ - if (log == NULL || strcmp(log->id, LOGID)) - return -3; - if (data == NULL || len <= 0) - return 0; - - /* see if we lost the lock -- if so get it again and reload the extra - field information (it probably changed), recover last operation if - necessary */ - if (log_check(log) && log_open(log)) - return -1; - - /* create and write .add file */ - strcpy(log->end, ".add"); - fd = open(log->path, O_WRONLY | O_CREAT | O_TRUNC, 0644); - if (fd < 0) - return -1; - ret = (size_t)write(fd, data, len) != len; - if (ret | close(fd)) - return -1; - log_touch(log); - - /* mark log file with append in progress */ - if (log_mark(log, APPEND_OP)) - return -1; - BAIL(8); - - /* append data (clears mark) */ - if (log_append(log, data, len)) - return -1; - - /* check to see if it's time to compress -- if not, then done */ - if (((log->last - log->first) >> 10) + (log->stored >> 10) < TRIGGER) - return 0; - - /* time to compress */ - return gzlog_compress(log); -} - -/* gzlog_close() return values: - 0: ok - -3: invalid log pointer argument */ -int gzlog_close(gzlog *logd) -{ - struct log *log = logd; - - /* check arguments */ - if (log == NULL || strcmp(log->id, LOGID)) - return -3; - - /* close the log file and release the lock */ - log_close(log); - - /* free structure and return */ - if (log->path != NULL) - free(log->path); - strcpy(log->id, "bad"); - free(log); - return 0; -} diff --git a/deps/zlib/examples/gzlog.h b/deps/zlib/examples/gzlog.h deleted file mode 100644 index 86f0cecba5b402..00000000000000 --- a/deps/zlib/examples/gzlog.h +++ /dev/null @@ -1,91 +0,0 @@ -/* gzlog.h - Copyright (C) 2004, 2008, 2012 Mark Adler, all rights reserved - version 2.2, 14 Aug 2012 - - This software is provided 'as-is', without any express or implied - warranty. In no event will the author be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - Mark Adler madler@alumni.caltech.edu - */ - -/* Version History: - 1.0 26 Nov 2004 First version - 2.0 25 Apr 2008 Complete redesign for recovery of interrupted operations - Interface changed slightly in that now path is a prefix - Compression now occurs as needed during gzlog_write() - gzlog_write() now always leaves the log file as valid gzip - 2.1 8 Jul 2012 Fix argument checks in gzlog_compress() and gzlog_write() - 2.2 14 Aug 2012 Clean up signed comparisons - */ - -/* - The gzlog object allows writing short messages to a gzipped log file, - opening the log file locked for small bursts, and then closing it. The log - object works by appending stored (uncompressed) data to the gzip file until - 1 MB has been accumulated. At that time, the stored data is compressed, and - replaces the uncompressed data in the file. The log file is truncated to - its new size at that time. After each write operation, the log file is a - valid gzip file that can decompressed to recover what was written. - - The gzlog operations can be interupted at any point due to an application or - system crash, and the log file will be recovered the next time the log is - opened with gzlog_open(). - */ - -#ifndef GZLOG_H -#define GZLOG_H - -/* gzlog object type */ -typedef void gzlog; - -/* Open a gzlog object, creating the log file if it does not exist. Return - NULL on error. Note that gzlog_open() could take a while to complete if it - has to wait to verify that a lock is stale (possibly for five minutes), or - if there is significant contention with other instantiations of this object - when locking the resource. path is the prefix of the file names created by - this object. If path is "foo", then the log file will be "foo.gz", and - other auxiliary files will be created and destroyed during the process: - "foo.dict" for a compression dictionary, "foo.temp" for a temporary (next) - dictionary, "foo.add" for data being added or compressed, "foo.lock" for the - lock file, and "foo.repairs" to log recovery operations performed due to - interrupted gzlog operations. A gzlog_open() followed by a gzlog_close() - will recover a previously interrupted operation, if any. */ -gzlog *gzlog_open(char *path); - -/* Write to a gzlog object. Return zero on success, -1 if there is a file i/o - error on any of the gzlog files (this should not happen if gzlog_open() - succeeded, unless the device has run out of space or leftover auxiliary - files have permissions or ownership that prevent their use), -2 if there is - a memory allocation failure, or -3 if the log argument is invalid (e.g. if - it was not created by gzlog_open()). This function will write data to the - file uncompressed, until 1 MB has been accumulated, at which time that data - will be compressed. The log file will be a valid gzip file upon successful - return. */ -int gzlog_write(gzlog *log, void *data, size_t len); - -/* Force compression of any uncompressed data in the log. This should be used - sparingly, if at all. The main application would be when a log file will - not be appended to again. If this is used to compress frequently while - appending, it will both significantly increase the execution time and - reduce the compression ratio. The return codes are the same as for - gzlog_write(). */ -int gzlog_compress(gzlog *log); - -/* Close a gzlog object. Return zero on success, -3 if the log argument is - invalid. The log object is freed, and so cannot be referenced again. */ -int gzlog_close(gzlog *log); - -#endif diff --git a/deps/zlib/examples/zlib_how.html b/deps/zlib/examples/zlib_how.html deleted file mode 100644 index 444ff1c9a32e85..00000000000000 --- a/deps/zlib/examples/zlib_how.html +++ /dev/null @@ -1,545 +0,0 @@ - - - - -zlib Usage Example - - - -

zlib Usage Example

-We often get questions about how the deflate() and inflate() functions should be used. -Users wonder when they should provide more input, when they should use more output, -what to do with a Z_BUF_ERROR, how to make sure the process terminates properly, and -so on. So for those who have read zlib.h (a few times), and -would like further edification, below is an annotated example in C of simple routines to compress and decompress -from an input file to an output file using deflate() and inflate() respectively. The -annotations are interspersed between lines of the code. So please read between the lines. -We hope this helps explain some of the intricacies of zlib. -

-Without further adieu, here is the program zpipe.c: -


-/* zpipe.c: example of proper use of zlib's inflate() and deflate()
-   Not copyrighted -- provided to the public domain
-   Version 1.4  11 December 2005  Mark Adler */
-
-/* Version history:
-   1.0  30 Oct 2004  First version
-   1.1   8 Nov 2004  Add void casting for unused return values
-                     Use switch statement for inflate() return values
-   1.2   9 Nov 2004  Add assertions to document zlib guarantees
-   1.3   6 Apr 2005  Remove incorrect assertion in inf()
-   1.4  11 Dec 2005  Add hack to avoid MSDOS end-of-line conversions
-                     Avoid some compiler warnings for input and output buffers
- */
-
-We now include the header files for the required definitions. From -stdio.h we use fopen(), fread(), fwrite(), -feof(), ferror(), and fclose() for file i/o, and -fputs() for error messages. From string.h we use -strcmp() for command line argument processing. -From assert.h we use the assert() macro. -From zlib.h -we use the basic compression functions deflateInit(), -deflate(), and deflateEnd(), and the basic decompression -functions inflateInit(), inflate(), and -inflateEnd(). -

-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include "zlib.h"
-
-This is an ugly hack required to avoid corruption of the input and output data on -Windows/MS-DOS systems. Without this, those systems would assume that the input and output -files are text, and try to convert the end-of-line characters from one standard to -another. That would corrupt binary data, and in particular would render the compressed data unusable. -This sets the input and output to binary which suppresses the end-of-line conversions. -SET_BINARY_MODE() will be used later on stdin and stdout, at the beginning of main(). -

-#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__)
-#  include <fcntl.h>
-#  include <io.h>
-#  define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
-#else
-#  define SET_BINARY_MODE(file)
-#endif
-
-CHUNK is simply the buffer size for feeding data to and pulling data -from the zlib routines. Larger buffer sizes would be more efficient, -especially for inflate(). If the memory is available, buffers sizes -on the order of 128K or 256K bytes should be used. -

-#define CHUNK 16384
-
-The def() routine compresses data from an input file to an output file. The output data -will be in the zlib format, which is different from the gzip or zip -formats. The zlib format has a very small header of only two bytes to identify it as -a zlib stream and to provide decoding information, and a four-byte trailer with a fast -check value to verify the integrity of the uncompressed data after decoding. -

-/* Compress from file source to file dest until EOF on source.
-   def() returns Z_OK on success, Z_MEM_ERROR if memory could not be
-   allocated for processing, Z_STREAM_ERROR if an invalid compression
-   level is supplied, Z_VERSION_ERROR if the version of zlib.h and the
-   version of the library linked do not match, or Z_ERRNO if there is
-   an error reading or writing the files. */
-int def(FILE *source, FILE *dest, int level)
-{
-
-Here are the local variables for def(). ret will be used for zlib -return codes. flush will keep track of the current flushing state for deflate(), -which is either no flushing, or flush to completion after the end of the input file is reached. -have is the amount of data returned from deflate(). The strm structure -is used to pass information to and from the zlib routines, and to maintain the -deflate() state. in and out are the input and output buffers for -deflate(). -

-    int ret, flush;
-    unsigned have;
-    z_stream strm;
-    unsigned char in[CHUNK];
-    unsigned char out[CHUNK];
-
-The first thing we do is to initialize the zlib state for compression using -deflateInit(). This must be done before the first use of deflate(). -The zalloc, zfree, and opaque fields in the strm -structure must be initialized before calling deflateInit(). Here they are -set to the zlib constant Z_NULL to request that zlib use -the default memory allocation routines. An application may also choose to provide -custom memory allocation routines here. deflateInit() will allocate on the -order of 256K bytes for the internal state. -(See zlib Technical Details.) -

-deflateInit() is called with a pointer to the structure to be initialized and -the compression level, which is an integer in the range of -1 to 9. Lower compression -levels result in faster execution, but less compression. Higher levels result in -greater compression, but slower execution. The zlib constant Z_DEFAULT_COMPRESSION, -equal to -1, -provides a good compromise between compression and speed and is equivalent to level 6. -Level 0 actually does no compression at all, and in fact expands the data slightly to produce -the zlib format (it is not a byte-for-byte copy of the input). -More advanced applications of zlib -may use deflateInit2() here instead. Such an application may want to reduce how -much memory will be used, at some price in compression. Or it may need to request a -gzip header and trailer instead of a zlib header and trailer, or raw -encoding with no header or trailer at all. -

-We must check the return value of deflateInit() against the zlib constant -Z_OK to make sure that it was able to -allocate memory for the internal state, and that the provided arguments were valid. -deflateInit() will also check that the version of zlib that the zlib.h -file came from matches the version of zlib actually linked with the program. This -is especially important for environments in which zlib is a shared library. -

-Note that an application can initialize multiple, independent zlib streams, which can -operate in parallel. The state information maintained in the structure allows the zlib -routines to be reentrant. -


-    /* allocate deflate state */
-    strm.zalloc = Z_NULL;
-    strm.zfree = Z_NULL;
-    strm.opaque = Z_NULL;
-    ret = deflateInit(&strm, level);
-    if (ret != Z_OK)
-        return ret;
-
-With the pleasantries out of the way, now we can get down to business. The outer do-loop -reads all of the input file and exits at the bottom of the loop once end-of-file is reached. -This loop contains the only call of deflate(). So we must make sure that all of the -input data has been processed and that all of the output data has been generated and consumed -before we fall out of the loop at the bottom. -

-    /* compress until end of file */
-    do {
-
-We start off by reading data from the input file. The number of bytes read is put directly -into avail_in, and a pointer to those bytes is put into next_in. We also -check to see if end-of-file on the input has been reached. If we are at the end of file, then flush is set to the -zlib constant Z_FINISH, which is later passed to deflate() to -indicate that this is the last chunk of input data to compress. We need to use feof() -to check for end-of-file as opposed to seeing if fewer than CHUNK bytes have been read. The -reason is that if the input file length is an exact multiple of CHUNK, we will miss -the fact that we got to the end-of-file, and not know to tell deflate() to finish -up the compressed stream. If we are not yet at the end of the input, then the zlib -constant Z_NO_FLUSH will be passed to deflate to indicate that we are still -in the middle of the uncompressed data. -

-If there is an error in reading from the input file, the process is aborted with -deflateEnd() being called to free the allocated zlib state before returning -the error. We wouldn't want a memory leak, now would we? deflateEnd() can be called -at any time after the state has been initialized. Once that's done, deflateInit() (or -deflateInit2()) would have to be called to start a new compression process. There is -no point here in checking the deflateEnd() return code. The deallocation can't fail. -


-        strm.avail_in = fread(in, 1, CHUNK, source);
-        if (ferror(source)) {
-            (void)deflateEnd(&strm);
-            return Z_ERRNO;
-        }
-        flush = feof(source) ? Z_FINISH : Z_NO_FLUSH;
-        strm.next_in = in;
-
-The inner do-loop passes our chunk of input data to deflate(), and then -keeps calling deflate() until it is done producing output. Once there is no more -new output, deflate() is guaranteed to have consumed all of the input, i.e., -avail_in will be zero. -

-        /* run deflate() on input until output buffer not full, finish
-           compression if all of source has been read in */
-        do {
-
-Output space is provided to deflate() by setting avail_out to the number -of available output bytes and next_out to a pointer to that space. -

-            strm.avail_out = CHUNK;
-            strm.next_out = out;
-
-Now we call the compression engine itself, deflate(). It takes as many of the -avail_in bytes at next_in as it can process, and writes as many as -avail_out bytes to next_out. Those counters and pointers are then -updated past the input data consumed and the output data written. It is the amount of -output space available that may limit how much input is consumed. -Hence the inner loop to make sure that -all of the input is consumed by providing more output space each time. Since avail_in -and next_in are updated by deflate(), we don't have to mess with those -between deflate() calls until it's all used up. -

-The parameters to deflate() are a pointer to the strm structure containing -the input and output information and the internal compression engine state, and a parameter -indicating whether and how to flush data to the output. Normally deflate will consume -several K bytes of input data before producing any output (except for the header), in order -to accumulate statistics on the data for optimum compression. It will then put out a burst of -compressed data, and proceed to consume more input before the next burst. Eventually, -deflate() -must be told to terminate the stream, complete the compression with provided input data, and -write out the trailer check value. deflate() will continue to compress normally as long -as the flush parameter is Z_NO_FLUSH. Once the Z_FINISH parameter is provided, -deflate() will begin to complete the compressed output stream. However depending on how -much output space is provided, deflate() may have to be called several times until it -has provided the complete compressed stream, even after it has consumed all of the input. The flush -parameter must continue to be Z_FINISH for those subsequent calls. -

-There are other values of the flush parameter that are used in more advanced applications. You can -force deflate() to produce a burst of output that encodes all of the input data provided -so far, even if it wouldn't have otherwise, for example to control data latency on a link with -compressed data. You can also ask that deflate() do that as well as erase any history up to -that point so that what follows can be decompressed independently, for example for random access -applications. Both requests will degrade compression by an amount depending on how often such -requests are made. -

-deflate() has a return value that can indicate errors, yet we do not check it here. Why -not? Well, it turns out that deflate() can do no wrong here. Let's go through -deflate()'s return values and dispense with them one by one. The possible values are -Z_OK, Z_STREAM_END, Z_STREAM_ERROR, or Z_BUF_ERROR. Z_OK -is, well, ok. Z_STREAM_END is also ok and will be returned for the last call of -deflate(). This is already guaranteed by calling deflate() with Z_FINISH -until it has no more output. Z_STREAM_ERROR is only possible if the stream is not -initialized properly, but we did initialize it properly. There is no harm in checking for -Z_STREAM_ERROR here, for example to check for the possibility that some -other part of the application inadvertently clobbered the memory containing the zlib state. -Z_BUF_ERROR will be explained further below, but -suffice it to say that this is simply an indication that deflate() could not consume -more input or produce more output. deflate() can be called again with more output space -or more available input, which it will be in this code. -


-            ret = deflate(&strm, flush);    /* no bad return value */
-            assert(ret != Z_STREAM_ERROR);  /* state not clobbered */
-
-Now we compute how much output deflate() provided on the last call, which is the -difference between how much space was provided before the call, and how much output space -is still available after the call. Then that data, if any, is written to the output file. -We can then reuse the output buffer for the next call of deflate(). Again if there -is a file i/o error, we call deflateEnd() before returning to avoid a memory leak. -

-            have = CHUNK - strm.avail_out;
-            if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
-                (void)deflateEnd(&strm);
-                return Z_ERRNO;
-            }
-
-The inner do-loop is repeated until the last deflate() call fails to fill the -provided output buffer. Then we know that deflate() has done as much as it can with -the provided input, and that all of that input has been consumed. We can then fall out of this -loop and reuse the input buffer. -

-The way we tell that deflate() has no more output is by seeing that it did not fill -the output buffer, leaving avail_out greater than zero. However suppose that -deflate() has no more output, but just so happened to exactly fill the output buffer! -avail_out is zero, and we can't tell that deflate() has done all it can. -As far as we know, deflate() -has more output for us. So we call it again. But now deflate() produces no output -at all, and avail_out remains unchanged as CHUNK. That deflate() call -wasn't able to do anything, either consume input or produce output, and so it returns -Z_BUF_ERROR. (See, I told you I'd cover this later.) However this is not a problem at -all. Now we finally have the desired indication that deflate() is really done, -and so we drop out of the inner loop to provide more input to deflate(). -

-With flush set to Z_FINISH, this final set of deflate() calls will -complete the output stream. Once that is done, subsequent calls of deflate() would return -Z_STREAM_ERROR if the flush parameter is not Z_FINISH, and do no more processing -until the state is reinitialized. -

-Some applications of zlib have two loops that call deflate() -instead of the single inner loop we have here. The first loop would call -without flushing and feed all of the data to deflate(). The second loop would call -deflate() with no more -data and the Z_FINISH parameter to complete the process. As you can see from this -example, that can be avoided by simply keeping track of the current flush state. -


-        } while (strm.avail_out == 0);
-        assert(strm.avail_in == 0);     /* all input will be used */
-
-Now we check to see if we have already processed all of the input file. That information was -saved in the flush variable, so we see if that was set to Z_FINISH. If so, -then we're done and we fall out of the outer loop. We're guaranteed to get Z_STREAM_END -from the last deflate() call, since we ran it until the last chunk of input was -consumed and all of the output was generated. -

-        /* done when last data in file processed */
-    } while (flush != Z_FINISH);
-    assert(ret == Z_STREAM_END);        /* stream will be complete */
-
-The process is complete, but we still need to deallocate the state to avoid a memory leak -(or rather more like a memory hemorrhage if you didn't do this). Then -finally we can return with a happy return value. -

-    /* clean up and return */
-    (void)deflateEnd(&strm);
-    return Z_OK;
-}
-
-Now we do the same thing for decompression in the inf() routine. inf() -decompresses what is hopefully a valid zlib stream from the input file and writes the -uncompressed data to the output file. Much of the discussion above for def() -applies to inf() as well, so the discussion here will focus on the differences between -the two. -

-/* Decompress from file source to file dest until stream ends or EOF.
-   inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be
-   allocated for processing, Z_DATA_ERROR if the deflate data is
-   invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and
-   the version of the library linked do not match, or Z_ERRNO if there
-   is an error reading or writing the files. */
-int inf(FILE *source, FILE *dest)
-{
-
-The local variables have the same functionality as they do for def(). The -only difference is that there is no flush variable, since inflate() -can tell from the zlib stream itself when the stream is complete. -

-    int ret;
-    unsigned have;
-    z_stream strm;
-    unsigned char in[CHUNK];
-    unsigned char out[CHUNK];
-
-The initialization of the state is the same, except that there is no compression level, -of course, and two more elements of the structure are initialized. avail_in -and next_in must be initialized before calling inflateInit(). This -is because the application has the option to provide the start of the zlib stream in -order for inflateInit() to have access to information about the compression -method to aid in memory allocation. In the current implementation of zlib -(up through versions 1.2.x), the method-dependent memory allocations are deferred to the first call of -inflate() anyway. However those fields must be initialized since later versions -of zlib that provide more compression methods may take advantage of this interface. -In any case, no decompression is performed by inflateInit(), so the -avail_out and next_out fields do not need to be initialized before calling. -

-Here avail_in is set to zero and next_in is set to Z_NULL to -indicate that no input data is being provided. -


-    /* allocate inflate state */
-    strm.zalloc = Z_NULL;
-    strm.zfree = Z_NULL;
-    strm.opaque = Z_NULL;
-    strm.avail_in = 0;
-    strm.next_in = Z_NULL;
-    ret = inflateInit(&strm);
-    if (ret != Z_OK)
-        return ret;
-
-The outer do-loop decompresses input until inflate() indicates -that it has reached the end of the compressed data and has produced all of the uncompressed -output. This is in contrast to def() which processes all of the input file. -If end-of-file is reached before the compressed data self-terminates, then the compressed -data is incomplete and an error is returned. -

-    /* decompress until deflate stream ends or end of file */
-    do {
-
-We read input data and set the strm structure accordingly. If we've reached the -end of the input file, then we leave the outer loop and report an error, since the -compressed data is incomplete. Note that we may read more data than is eventually consumed -by inflate(), if the input file continues past the zlib stream. -For applications where zlib streams are embedded in other data, this routine would -need to be modified to return the unused data, or at least indicate how much of the input -data was not used, so the application would know where to pick up after the zlib stream. -

-        strm.avail_in = fread(in, 1, CHUNK, source);
-        if (ferror(source)) {
-            (void)inflateEnd(&strm);
-            return Z_ERRNO;
-        }
-        if (strm.avail_in == 0)
-            break;
-        strm.next_in = in;
-
-The inner do-loop has the same function it did in def(), which is to -keep calling inflate() until has generated all of the output it can with the -provided input. -

-        /* run inflate() on input until output buffer not full */
-        do {
-
-Just like in def(), the same output space is provided for each call of inflate(). -

-            strm.avail_out = CHUNK;
-            strm.next_out = out;
-
-Now we run the decompression engine itself. There is no need to adjust the flush parameter, since -the zlib format is self-terminating. The main difference here is that there are -return values that we need to pay attention to. Z_DATA_ERROR -indicates that inflate() detected an error in the zlib compressed data format, -which means that either the data is not a zlib stream to begin with, or that the data was -corrupted somewhere along the way since it was compressed. The other error to be processed is -Z_MEM_ERROR, which can occur since memory allocation is deferred until inflate() -needs it, unlike deflate(), whose memory is allocated at the start by deflateInit(). -

-Advanced applications may use -deflateSetDictionary() to prime deflate() with a set of likely data to improve the -first 32K or so of compression. This is noted in the zlib header, so inflate() -requests that that dictionary be provided before it can start to decompress. Without the dictionary, -correct decompression is not possible. For this routine, we have no idea what the dictionary is, -so the Z_NEED_DICT indication is converted to a Z_DATA_ERROR. -

-inflate() can also return Z_STREAM_ERROR, which should not be possible here, -but could be checked for as noted above for def(). Z_BUF_ERROR does not need to be -checked for here, for the same reasons noted for def(). Z_STREAM_END will be -checked for later. -


-            ret = inflate(&strm, Z_NO_FLUSH);
-            assert(ret != Z_STREAM_ERROR);  /* state not clobbered */
-            switch (ret) {
-            case Z_NEED_DICT:
-                ret = Z_DATA_ERROR;     /* and fall through */
-            case Z_DATA_ERROR:
-            case Z_MEM_ERROR:
-                (void)inflateEnd(&strm);
-                return ret;
-            }
-
-The output of inflate() is handled identically to that of deflate(). -

-            have = CHUNK - strm.avail_out;
-            if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
-                (void)inflateEnd(&strm);
-                return Z_ERRNO;
-            }
-
-The inner do-loop ends when inflate() has no more output as indicated -by not filling the output buffer, just as for deflate(). In this case, we cannot -assert that strm.avail_in will be zero, since the deflate stream may end before the file -does. -

-        } while (strm.avail_out == 0);
-
-The outer do-loop ends when inflate() reports that it has reached the -end of the input zlib stream, has completed the decompression and integrity -check, and has provided all of the output. This is indicated by the inflate() -return value Z_STREAM_END. The inner loop is guaranteed to leave ret -equal to Z_STREAM_END if the last chunk of the input file read contained the end -of the zlib stream. So if the return value is not Z_STREAM_END, the -loop continues to read more input. -

-        /* done when inflate() says it's done */
-    } while (ret != Z_STREAM_END);
-
-At this point, decompression successfully completed, or we broke out of the loop due to no -more data being available from the input file. If the last inflate() return value -is not Z_STREAM_END, then the zlib stream was incomplete and a data error -is returned. Otherwise, we return with a happy return value. Of course, inflateEnd() -is called first to avoid a memory leak. -

-    /* clean up and return */
-    (void)inflateEnd(&strm);
-    return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR;
-}
-
-That ends the routines that directly use zlib. The following routines make this -a command-line program by running data through the above routines from stdin to -stdout, and handling any errors reported by def() or inf(). -

-zerr() is used to interpret the possible error codes from def() -and inf(), as detailed in their comments above, and print out an error message. -Note that these are only a subset of the possible return values from deflate() -and inflate(). -


-/* report a zlib or i/o error */
-void zerr(int ret)
-{
-    fputs("zpipe: ", stderr);
-    switch (ret) {
-    case Z_ERRNO:
-        if (ferror(stdin))
-            fputs("error reading stdin\n", stderr);
-        if (ferror(stdout))
-            fputs("error writing stdout\n", stderr);
-        break;
-    case Z_STREAM_ERROR:
-        fputs("invalid compression level\n", stderr);
-        break;
-    case Z_DATA_ERROR:
-        fputs("invalid or incomplete deflate data\n", stderr);
-        break;
-    case Z_MEM_ERROR:
-        fputs("out of memory\n", stderr);
-        break;
-    case Z_VERSION_ERROR:
-        fputs("zlib version mismatch!\n", stderr);
-    }
-}
-
-Here is the main() routine used to test def() and inf(). The -zpipe command is simply a compression pipe from stdin to stdout, if -no arguments are given, or it is a decompression pipe if zpipe -d is used. If any other -arguments are provided, no compression or decompression is performed. Instead a usage -message is displayed. Examples are zpipe < foo.txt > foo.txt.z to compress, and -zpipe -d < foo.txt.z > foo.txt to decompress. -

-/* compress or decompress from stdin to stdout */
-int main(int argc, char **argv)
-{
-    int ret;
-
-    /* avoid end-of-line conversions */
-    SET_BINARY_MODE(stdin);
-    SET_BINARY_MODE(stdout);
-
-    /* do compression if no arguments */
-    if (argc == 1) {
-        ret = def(stdin, stdout, Z_DEFAULT_COMPRESSION);
-        if (ret != Z_OK)
-            zerr(ret);
-        return ret;
-    }
-
-    /* do decompression if -d specified */
-    else if (argc == 2 && strcmp(argv[1], "-d") == 0) {
-        ret = inf(stdin, stdout);
-        if (ret != Z_OK)
-            zerr(ret);
-        return ret;
-    }
-
-    /* otherwise, report usage */
-    else {
-        fputs("zpipe usage: zpipe [-d] < source > dest\n", stderr);
-        return 1;
-    }
-}
-
-
-Copyright (c) 2004, 2005 by Mark Adler
Last modified 11 December 2005 - - diff --git a/deps/zlib/examples/zpipe.c b/deps/zlib/examples/zpipe.c deleted file mode 100644 index 83535d1693580f..00000000000000 --- a/deps/zlib/examples/zpipe.c +++ /dev/null @@ -1,205 +0,0 @@ -/* zpipe.c: example of proper use of zlib's inflate() and deflate() - Not copyrighted -- provided to the public domain - Version 1.4 11 December 2005 Mark Adler */ - -/* Version history: - 1.0 30 Oct 2004 First version - 1.1 8 Nov 2004 Add void casting for unused return values - Use switch statement for inflate() return values - 1.2 9 Nov 2004 Add assertions to document zlib guarantees - 1.3 6 Apr 2005 Remove incorrect assertion in inf() - 1.4 11 Dec 2005 Add hack to avoid MSDOS end-of-line conversions - Avoid some compiler warnings for input and output buffers - */ - -#include -#include -#include -#include "zlib.h" - -#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__) -# include -# include -# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) -#else -# define SET_BINARY_MODE(file) -#endif - -#define CHUNK 16384 - -/* Compress from file source to file dest until EOF on source. - def() returns Z_OK on success, Z_MEM_ERROR if memory could not be - allocated for processing, Z_STREAM_ERROR if an invalid compression - level is supplied, Z_VERSION_ERROR if the version of zlib.h and the - version of the library linked do not match, or Z_ERRNO if there is - an error reading or writing the files. */ -int def(FILE *source, FILE *dest, int level) -{ - int ret, flush; - unsigned have; - z_stream strm; - unsigned char in[CHUNK]; - unsigned char out[CHUNK]; - - /* allocate deflate state */ - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; - ret = deflateInit(&strm, level); - if (ret != Z_OK) - return ret; - - /* compress until end of file */ - do { - strm.avail_in = fread(in, 1, CHUNK, source); - if (ferror(source)) { - (void)deflateEnd(&strm); - return Z_ERRNO; - } - flush = feof(source) ? Z_FINISH : Z_NO_FLUSH; - strm.next_in = in; - - /* run deflate() on input until output buffer not full, finish - compression if all of source has been read in */ - do { - strm.avail_out = CHUNK; - strm.next_out = out; - ret = deflate(&strm, flush); /* no bad return value */ - assert(ret != Z_STREAM_ERROR); /* state not clobbered */ - have = CHUNK - strm.avail_out; - if (fwrite(out, 1, have, dest) != have || ferror(dest)) { - (void)deflateEnd(&strm); - return Z_ERRNO; - } - } while (strm.avail_out == 0); - assert(strm.avail_in == 0); /* all input will be used */ - - /* done when last data in file processed */ - } while (flush != Z_FINISH); - assert(ret == Z_STREAM_END); /* stream will be complete */ - - /* clean up and return */ - (void)deflateEnd(&strm); - return Z_OK; -} - -/* Decompress from file source to file dest until stream ends or EOF. - inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be - allocated for processing, Z_DATA_ERROR if the deflate data is - invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and - the version of the library linked do not match, or Z_ERRNO if there - is an error reading or writing the files. */ -int inf(FILE *source, FILE *dest) -{ - int ret; - unsigned have; - z_stream strm; - unsigned char in[CHUNK]; - unsigned char out[CHUNK]; - - /* allocate inflate state */ - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit(&strm); - if (ret != Z_OK) - return ret; - - /* decompress until deflate stream ends or end of file */ - do { - strm.avail_in = fread(in, 1, CHUNK, source); - if (ferror(source)) { - (void)inflateEnd(&strm); - return Z_ERRNO; - } - if (strm.avail_in == 0) - break; - strm.next_in = in; - - /* run inflate() on input until output buffer not full */ - do { - strm.avail_out = CHUNK; - strm.next_out = out; - ret = inflate(&strm, Z_NO_FLUSH); - assert(ret != Z_STREAM_ERROR); /* state not clobbered */ - switch (ret) { - case Z_NEED_DICT: - ret = Z_DATA_ERROR; /* and fall through */ - case Z_DATA_ERROR: - case Z_MEM_ERROR: - (void)inflateEnd(&strm); - return ret; - } - have = CHUNK - strm.avail_out; - if (fwrite(out, 1, have, dest) != have || ferror(dest)) { - (void)inflateEnd(&strm); - return Z_ERRNO; - } - } while (strm.avail_out == 0); - - /* done when inflate() says it's done */ - } while (ret != Z_STREAM_END); - - /* clean up and return */ - (void)inflateEnd(&strm); - return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR; -} - -/* report a zlib or i/o error */ -void zerr(int ret) -{ - fputs("zpipe: ", stderr); - switch (ret) { - case Z_ERRNO: - if (ferror(stdin)) - fputs("error reading stdin\n", stderr); - if (ferror(stdout)) - fputs("error writing stdout\n", stderr); - break; - case Z_STREAM_ERROR: - fputs("invalid compression level\n", stderr); - break; - case Z_DATA_ERROR: - fputs("invalid or incomplete deflate data\n", stderr); - break; - case Z_MEM_ERROR: - fputs("out of memory\n", stderr); - break; - case Z_VERSION_ERROR: - fputs("zlib version mismatch!\n", stderr); - } -} - -/* compress or decompress from stdin to stdout */ -int main(int argc, char **argv) -{ - int ret; - - /* avoid end-of-line conversions */ - SET_BINARY_MODE(stdin); - SET_BINARY_MODE(stdout); - - /* do compression if no arguments */ - if (argc == 1) { - ret = def(stdin, stdout, Z_DEFAULT_COMPRESSION); - if (ret != Z_OK) - zerr(ret); - return ret; - } - - /* do decompression if -d specified */ - else if (argc == 2 && strcmp(argv[1], "-d") == 0) { - ret = inf(stdin, stdout); - if (ret != Z_OK) - zerr(ret); - return ret; - } - - /* otherwise, report usage */ - else { - fputs("zpipe usage: zpipe [-d] < source > dest\n", stderr); - return 1; - } -} diff --git a/deps/zlib/examples/zran.c b/deps/zlib/examples/zran.c deleted file mode 100644 index 4fec6594a6648e..00000000000000 --- a/deps/zlib/examples/zran.c +++ /dev/null @@ -1,409 +0,0 @@ -/* zran.c -- example of zlib/gzip stream indexing and random access - * Copyright (C) 2005, 2012 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - Version 1.1 29 Sep 2012 Mark Adler */ - -/* Version History: - 1.0 29 May 2005 First version - 1.1 29 Sep 2012 Fix memory reallocation error - */ - -/* Illustrate the use of Z_BLOCK, inflatePrime(), and inflateSetDictionary() - for random access of a compressed file. A file containing a zlib or gzip - stream is provided on the command line. The compressed stream is decoded in - its entirety, and an index built with access points about every SPAN bytes - in the uncompressed output. The compressed file is left open, and can then - be read randomly, having to decompress on the average SPAN/2 uncompressed - bytes before getting to the desired block of data. - - An access point can be created at the start of any deflate block, by saving - the starting file offset and bit of that block, and the 32K bytes of - uncompressed data that precede that block. Also the uncompressed offset of - that block is saved to provide a referece for locating a desired starting - point in the uncompressed stream. build_index() works by decompressing the - input zlib or gzip stream a block at a time, and at the end of each block - deciding if enough uncompressed data has gone by to justify the creation of - a new access point. If so, that point is saved in a data structure that - grows as needed to accommodate the points. - - To use the index, an offset in the uncompressed data is provided, for which - the latest access point at or preceding that offset is located in the index. - The input file is positioned to the specified location in the index, and if - necessary the first few bits of the compressed data is read from the file. - inflate is initialized with those bits and the 32K of uncompressed data, and - the decompression then proceeds until the desired offset in the file is - reached. Then the decompression continues to read the desired uncompressed - data from the file. - - Another approach would be to generate the index on demand. In that case, - requests for random access reads from the compressed data would try to use - the index, but if a read far enough past the end of the index is required, - then further index entries would be generated and added. - - There is some fair bit of overhead to starting inflation for the random - access, mainly copying the 32K byte dictionary. So if small pieces of the - file are being accessed, it would make sense to implement a cache to hold - some lookahead and avoid many calls to extract() for small lengths. - - Another way to build an index would be to use inflateCopy(). That would - not be constrained to have access points at block boundaries, but requires - more memory per access point, and also cannot be saved to file due to the - use of pointers in the state. The approach here allows for storage of the - index in a file. - */ - -#include -#include -#include -#include "zlib.h" - -#define local static - -#define SPAN 1048576L /* desired distance between access points */ -#define WINSIZE 32768U /* sliding window size */ -#define CHUNK 16384 /* file input buffer size */ - -/* access point entry */ -struct point { - off_t out; /* corresponding offset in uncompressed data */ - off_t in; /* offset in input file of first full byte */ - int bits; /* number of bits (1-7) from byte at in - 1, or 0 */ - unsigned char window[WINSIZE]; /* preceding 32K of uncompressed data */ -}; - -/* access point list */ -struct access { - int have; /* number of list entries filled in */ - int size; /* number of list entries allocated */ - struct point *list; /* allocated list */ -}; - -/* Deallocate an index built by build_index() */ -local void free_index(struct access *index) -{ - if (index != NULL) { - free(index->list); - free(index); - } -} - -/* Add an entry to the access point list. If out of memory, deallocate the - existing list and return NULL. */ -local struct access *addpoint(struct access *index, int bits, - off_t in, off_t out, unsigned left, unsigned char *window) -{ - struct point *next; - - /* if list is empty, create it (start with eight points) */ - if (index == NULL) { - index = malloc(sizeof(struct access)); - if (index == NULL) return NULL; - index->list = malloc(sizeof(struct point) << 3); - if (index->list == NULL) { - free(index); - return NULL; - } - index->size = 8; - index->have = 0; - } - - /* if list is full, make it bigger */ - else if (index->have == index->size) { - index->size <<= 1; - next = realloc(index->list, sizeof(struct point) * index->size); - if (next == NULL) { - free_index(index); - return NULL; - } - index->list = next; - } - - /* fill in entry and increment how many we have */ - next = index->list + index->have; - next->bits = bits; - next->in = in; - next->out = out; - if (left) - memcpy(next->window, window + WINSIZE - left, left); - if (left < WINSIZE) - memcpy(next->window + left, window, WINSIZE - left); - index->have++; - - /* return list, possibly reallocated */ - return index; -} - -/* Make one entire pass through the compressed stream and build an index, with - access points about every span bytes of uncompressed output -- span is - chosen to balance the speed of random access against the memory requirements - of the list, about 32K bytes per access point. Note that data after the end - of the first zlib or gzip stream in the file is ignored. build_index() - returns the number of access points on success (>= 1), Z_MEM_ERROR for out - of memory, Z_DATA_ERROR for an error in the input file, or Z_ERRNO for a - file read error. On success, *built points to the resulting index. */ -local int build_index(FILE *in, off_t span, struct access **built) -{ - int ret; - off_t totin, totout; /* our own total counters to avoid 4GB limit */ - off_t last; /* totout value of last access point */ - struct access *index; /* access points being generated */ - z_stream strm; - unsigned char input[CHUNK]; - unsigned char window[WINSIZE]; - - /* initialize inflate */ - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit2(&strm, 47); /* automatic zlib or gzip decoding */ - if (ret != Z_OK) - return ret; - - /* inflate the input, maintain a sliding window, and build an index -- this - also validates the integrity of the compressed data using the check - information at the end of the gzip or zlib stream */ - totin = totout = last = 0; - index = NULL; /* will be allocated by first addpoint() */ - strm.avail_out = 0; - do { - /* get some compressed data from input file */ - strm.avail_in = fread(input, 1, CHUNK, in); - if (ferror(in)) { - ret = Z_ERRNO; - goto build_index_error; - } - if (strm.avail_in == 0) { - ret = Z_DATA_ERROR; - goto build_index_error; - } - strm.next_in = input; - - /* process all of that, or until end of stream */ - do { - /* reset sliding window if necessary */ - if (strm.avail_out == 0) { - strm.avail_out = WINSIZE; - strm.next_out = window; - } - - /* inflate until out of input, output, or at end of block -- - update the total input and output counters */ - totin += strm.avail_in; - totout += strm.avail_out; - ret = inflate(&strm, Z_BLOCK); /* return at end of block */ - totin -= strm.avail_in; - totout -= strm.avail_out; - if (ret == Z_NEED_DICT) - ret = Z_DATA_ERROR; - if (ret == Z_MEM_ERROR || ret == Z_DATA_ERROR) - goto build_index_error; - if (ret == Z_STREAM_END) - break; - - /* if at end of block, consider adding an index entry (note that if - data_type indicates an end-of-block, then all of the - uncompressed data from that block has been delivered, and none - of the compressed data after that block has been consumed, - except for up to seven bits) -- the totout == 0 provides an - entry point after the zlib or gzip header, and assures that the - index always has at least one access point; we avoid creating an - access point after the last block by checking bit 6 of data_type - */ - if ((strm.data_type & 128) && !(strm.data_type & 64) && - (totout == 0 || totout - last > span)) { - index = addpoint(index, strm.data_type & 7, totin, - totout, strm.avail_out, window); - if (index == NULL) { - ret = Z_MEM_ERROR; - goto build_index_error; - } - last = totout; - } - } while (strm.avail_in != 0); - } while (ret != Z_STREAM_END); - - /* clean up and return index (release unused entries in list) */ - (void)inflateEnd(&strm); - index->list = realloc(index->list, sizeof(struct point) * index->have); - index->size = index->have; - *built = index; - return index->size; - - /* return error */ - build_index_error: - (void)inflateEnd(&strm); - if (index != NULL) - free_index(index); - return ret; -} - -/* Use the index to read len bytes from offset into buf, return bytes read or - negative for error (Z_DATA_ERROR or Z_MEM_ERROR). If data is requested past - the end of the uncompressed data, then extract() will return a value less - than len, indicating how much as actually read into buf. This function - should not return a data error unless the file was modified since the index - was generated. extract() may also return Z_ERRNO if there is an error on - reading or seeking the input file. */ -local int extract(FILE *in, struct access *index, off_t offset, - unsigned char *buf, int len) -{ - int ret, skip; - z_stream strm; - struct point *here; - unsigned char input[CHUNK]; - unsigned char discard[WINSIZE]; - - /* proceed only if something reasonable to do */ - if (len < 0) - return 0; - - /* find where in stream to start */ - here = index->list; - ret = index->have; - while (--ret && here[1].out <= offset) - here++; - - /* initialize file and inflate state to start there */ - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit2(&strm, -15); /* raw inflate */ - if (ret != Z_OK) - return ret; - ret = fseeko(in, here->in - (here->bits ? 1 : 0), SEEK_SET); - if (ret == -1) - goto extract_ret; - if (here->bits) { - ret = getc(in); - if (ret == -1) { - ret = ferror(in) ? Z_ERRNO : Z_DATA_ERROR; - goto extract_ret; - } - (void)inflatePrime(&strm, here->bits, ret >> (8 - here->bits)); - } - (void)inflateSetDictionary(&strm, here->window, WINSIZE); - - /* skip uncompressed bytes until offset reached, then satisfy request */ - offset -= here->out; - strm.avail_in = 0; - skip = 1; /* while skipping to offset */ - do { - /* define where to put uncompressed data, and how much */ - if (offset == 0 && skip) { /* at offset now */ - strm.avail_out = len; - strm.next_out = buf; - skip = 0; /* only do this once */ - } - if (offset > WINSIZE) { /* skip WINSIZE bytes */ - strm.avail_out = WINSIZE; - strm.next_out = discard; - offset -= WINSIZE; - } - else if (offset != 0) { /* last skip */ - strm.avail_out = (unsigned)offset; - strm.next_out = discard; - offset = 0; - } - - /* uncompress until avail_out filled, or end of stream */ - do { - if (strm.avail_in == 0) { - strm.avail_in = fread(input, 1, CHUNK, in); - if (ferror(in)) { - ret = Z_ERRNO; - goto extract_ret; - } - if (strm.avail_in == 0) { - ret = Z_DATA_ERROR; - goto extract_ret; - } - strm.next_in = input; - } - ret = inflate(&strm, Z_NO_FLUSH); /* normal inflate */ - if (ret == Z_NEED_DICT) - ret = Z_DATA_ERROR; - if (ret == Z_MEM_ERROR || ret == Z_DATA_ERROR) - goto extract_ret; - if (ret == Z_STREAM_END) - break; - } while (strm.avail_out != 0); - - /* if reach end of stream, then don't keep trying to get more */ - if (ret == Z_STREAM_END) - break; - - /* do until offset reached and requested data read, or stream ends */ - } while (skip); - - /* compute number of uncompressed bytes read after offset */ - ret = skip ? 0 : len - strm.avail_out; - - /* clean up and return bytes read or error */ - extract_ret: - (void)inflateEnd(&strm); - return ret; -} - -/* Demonstrate the use of build_index() and extract() by processing the file - provided on the command line, and the extracting 16K from about 2/3rds of - the way through the uncompressed output, and writing that to stdout. */ -int main(int argc, char **argv) -{ - int len; - off_t offset; - FILE *in; - struct access *index = NULL; - unsigned char buf[CHUNK]; - - /* open input file */ - if (argc != 2) { - fprintf(stderr, "usage: zran file.gz\n"); - return 1; - } - in = fopen(argv[1], "rb"); - if (in == NULL) { - fprintf(stderr, "zran: could not open %s for reading\n", argv[1]); - return 1; - } - - /* build index */ - len = build_index(in, SPAN, &index); - if (len < 0) { - fclose(in); - switch (len) { - case Z_MEM_ERROR: - fprintf(stderr, "zran: out of memory\n"); - break; - case Z_DATA_ERROR: - fprintf(stderr, "zran: compressed data error in %s\n", argv[1]); - break; - case Z_ERRNO: - fprintf(stderr, "zran: read error on %s\n", argv[1]); - break; - default: - fprintf(stderr, "zran: error %d while building index\n", len); - } - return 1; - } - fprintf(stderr, "zran: built index with %d access points\n", len); - - /* use index by reading some bytes from an arbitrary offset */ - offset = (index->list[index->have - 1].out << 1) / 3; - len = extract(in, index, offset, buf, CHUNK); - if (len < 0) - fprintf(stderr, "zran: extraction failed: %s error\n", - len == Z_MEM_ERROR ? "out of memory" : "input corrupted"); - else { - fwrite(buf, 1, len, stdout); - fprintf(stderr, "zran: extracted %d bytes at %llu\n", len, offset); - } - - /* clean up and exit */ - free_index(index); - fclose(in); - return 0; -} diff --git a/deps/zlib/fill_window_sse.c b/deps/zlib/fill_window_sse.c new file mode 100644 index 00000000000000..ed1e5d1d6735b1 --- /dev/null +++ b/deps/zlib/fill_window_sse.c @@ -0,0 +1,177 @@ +/* + * Fill Window with SSE2-optimized hash shifting + * + * Copyright (C) 2013 Intel Corporation + * Authors: + * Arjan van de Ven + * Jim Kukunas + * + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include +#include "deflate.h" + +#define UPDATE_HASH(s,h,i) \ + {\ + if (s->level < 6) { \ + h = (3483 * (s->window[i]) +\ + 23081* (s->window[i+1]) +\ + 6954 * (s->window[i+2]) +\ + 20947* (s->window[i+3])) & s->hash_mask;\ + } else {\ + h = (25881* (s->window[i]) +\ + 24674* (s->window[i+1]) +\ + 25811* (s->window[i+2])) & s->hash_mask;\ + }\ + }\ + +extern int deflate_read_buf OF((z_streamp strm, Bytef *buf, unsigned size)); + +void fill_window_sse(deflate_state *s) +{ + const __m128i xmm_wsize = _mm_set1_epi16(s->w_size); + + register unsigned n; + register Posf *p; + unsigned more; /* Amount of free space at the end of the window. */ + uInt wsize = s->w_size; + + Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead"); + + do { + more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart); + + /* Deal with !@#$% 64K limit: */ + if (sizeof(int) <= 2) { + if (more == 0 && s->strstart == 0 && s->lookahead == 0) { + more = wsize; + + } else if (more == (unsigned)(-1)) { + /* Very unlikely, but possible on 16 bit machine if + * strstart == 0 && lookahead == 1 (input done a byte at time) + */ + more--; + } + } + + /* If the window is almost full and there is insufficient lookahead, + * move the upper half to the lower one to make room in the upper half. + */ + if (s->strstart >= wsize+MAX_DIST(s)) { + + zmemcpy(s->window, s->window+wsize, (unsigned)wsize); + s->match_start -= wsize; + s->strstart -= wsize; /* we now have strstart >= MAX_DIST */ + s->block_start -= (long) wsize; + + /* Slide the hash table (could be avoided with 32 bit values + at the expense of memory usage). We slide even when level == 0 + to keep the hash table consistent if we switch back to level > 0 + later. (Using level 0 permanently is not an optimal usage of + zlib, so we don't care about this pathological case.) + */ + n = s->hash_size; + p = &s->head[n]; + p -= 8; + do { + __m128i value, result; + + value = _mm_loadu_si128((__m128i *)p); + result = _mm_subs_epu16(value, xmm_wsize); + _mm_storeu_si128((__m128i *)p, result); + + p -= 8; + n -= 8; + } while (n > 0); + + n = wsize; +#ifndef FASTEST + p = &s->prev[n]; + p -= 8; + do { + __m128i value, result; + + value = _mm_loadu_si128((__m128i *)p); + result = _mm_subs_epu16(value, xmm_wsize); + _mm_storeu_si128((__m128i *)p, result); + + p -= 8; + n -= 8; + } while (n > 0); +#endif + more += wsize; + } + if (s->strm->avail_in == 0) break; + + /* If there was no sliding: + * strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 && + * more == window_size - lookahead - strstart + * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1) + * => more >= window_size - 2*WSIZE + 2 + * In the BIG_MEM or MMAP case (not yet supported), + * window_size == input_size + MIN_LOOKAHEAD && + * strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD. + * Otherwise, window_size == 2*WSIZE so more >= 2. + * If there was sliding, more >= WSIZE. So in all cases, more >= 2. + */ + Assert(more >= 2, "more < 2"); + + n = deflate_read_buf(s->strm, + s->window + s->strstart + s->lookahead, + more); + s->lookahead += n; + + /* Initialize the hash value now that we have some input: */ + if (s->lookahead >= MIN_MATCH) { + uInt str = s->strstart; + s->ins_h = s->window[str]; + if (str >= 1) + UPDATE_HASH(s, s->ins_h, str + 1 - (MIN_MATCH-1)); +#if MIN_MATCH != 3 + Call UPDATE_HASH() MIN_MATCH-3 more times +#endif + } + /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage, + * but this is not important since only literal bytes will be emitted. + */ + + } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0); + + /* If the WIN_INIT bytes after the end of the current data have never been + * written, then zero those bytes in order to avoid memory check reports of + * the use of uninitialized (or uninitialised as Julian writes) bytes by + * the longest match routines. Update the high water mark for the next + * time through here. WIN_INIT is set to MAX_MATCH since the longest match + * routines allow scanning to strstart + MAX_MATCH, ignoring lookahead. + */ + if (s->high_water < s->window_size) { + ulg curr = s->strstart + (ulg)(s->lookahead); + ulg init; + + if (s->high_water < curr) { + /* Previous high water mark below current data -- zero WIN_INIT + * bytes or up to end of window, whichever is less. + */ + init = s->window_size - curr; + if (init > WIN_INIT) + init = WIN_INIT; + zmemzero(s->window + curr, (unsigned)init); + s->high_water = curr + init; + } + else if (s->high_water < (ulg)curr + WIN_INIT) { + /* High water mark at or above current data, but below current data + * plus WIN_INIT -- zero out to current data plus WIN_INIT, or up + * to end of window, whichever is less. + */ + init = (ulg)curr + WIN_INIT - s->high_water; + if (init > s->window_size - s->high_water) + init = s->window_size - s->high_water; + zmemzero(s->window + s->high_water, (unsigned)init); + s->high_water += init; + } + } + + Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD, + "not enough room for search"); +} diff --git a/deps/zlib/google/BUILD.gn b/deps/zlib/google/BUILD.gn new file mode 100644 index 00000000000000..4024836205f64c --- /dev/null +++ b/deps/zlib/google/BUILD.gn @@ -0,0 +1,48 @@ +# Copyright 2017 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +import("//build_overrides/build.gni") + +if (build_with_chromium) { + static_library("zip") { + sources = [ + "zip.cc", + "zip.h", + "zip_internal.cc", + "zip_internal.h", + "zip_reader.cc", + "zip_reader.h", + "zip_writer.cc", + "zip_writer.h", + ] + deps = [ + "//base", + "//third_party/zlib:minizip", + ] + } + + static_library("compression_utils") { + sources = [ + "compression_utils.cc", + "compression_utils.h", + ] + deps = [ + ":compression_utils_portable", + "//base", + "//third_party/zlib", + ] + } +} + +# This allows other users of Chromium's zlib library, but don't use Chromium's +# //base, to reuse some boilerplate code. +static_library("compression_utils_portable") { + sources = [ + "compression_utils_portable.cc", + "compression_utils_portable.h", + ] + deps = [ + "//third_party/zlib", + ] +} diff --git a/deps/zlib/google/DEPS b/deps/zlib/google/DEPS new file mode 100644 index 00000000000000..144fbd149295b3 --- /dev/null +++ b/deps/zlib/google/DEPS @@ -0,0 +1,5 @@ +include_rules = [ + '+base', + '+build', + '+testing', +] diff --git a/deps/zlib/google/OWNERS b/deps/zlib/google/OWNERS new file mode 100644 index 00000000000000..1ca25314631124 --- /dev/null +++ b/deps/zlib/google/OWNERS @@ -0,0 +1,5 @@ +satorux@chromium.org + +# compression_utils* +asvitkine@chromium.org +isherman@chromium.org diff --git a/deps/zlib/google/compression_utils.cc b/deps/zlib/google/compression_utils.cc new file mode 100644 index 00000000000000..9f63a840167d47 --- /dev/null +++ b/deps/zlib/google/compression_utils.cc @@ -0,0 +1,116 @@ +// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "third_party/zlib/google/compression_utils.h" + +#include "base/bit_cast.h" +#include "base/logging.h" +#include "base/process/memory.h" +#include "base/strings/string_piece.h" +#include "base/sys_byteorder.h" + +#include "third_party/zlib/google/compression_utils_portable.h" + +namespace compression { + +bool GzipCompress(base::StringPiece input, + char* output_buffer, + size_t output_buffer_size, + size_t* compressed_size, + void* (*malloc_fn)(size_t), + void (*free_fn)(void*)) { + static_assert(sizeof(Bytef) == 1, ""); + + // uLongf can be larger than size_t. + uLongf compressed_size_long = static_cast(output_buffer_size); + if (zlib_internal::GzipCompressHelper( + bit_cast(output_buffer), &compressed_size_long, + bit_cast(input.data()), + static_cast(input.size()), malloc_fn, free_fn) != Z_OK) { + return false; + } + // No overflow, as compressed_size_long <= output.size() which is a size_t. + *compressed_size = static_cast(compressed_size_long); + return true; +} + +bool GzipCompress(base::StringPiece input, std::string* output) { + // Not using std::vector<> because allocation failures are recoverable, + // which is hidden by std::vector<>. + static_assert(sizeof(Bytef) == 1, ""); + const uLongf input_size = static_cast(input.size()); + + uLongf compressed_data_size = + zlib_internal::GzipExpectedCompressedSize(input_size); + + Bytef* compressed_data; + if (!base::UncheckedMalloc(compressed_data_size, + reinterpret_cast(&compressed_data))) { + return false; + } + + if (zlib_internal::GzipCompressHelper(compressed_data, &compressed_data_size, + bit_cast(input.data()), + input_size, nullptr, nullptr) != Z_OK) { + free(compressed_data); + return false; + } + + Bytef* resized_data = + reinterpret_cast(realloc(compressed_data, compressed_data_size)); + if (!resized_data) { + free(compressed_data); + return false; + } + output->assign(resized_data, resized_data + compressed_data_size); + DCHECK_EQ(input_size, GetUncompressedSize(*output)); + + free(resized_data); + return true; +} + +bool GzipUncompress(const std::string& input, std::string* output) { + std::string uncompressed_output; + uLongf uncompressed_size = static_cast(GetUncompressedSize(input)); + if (uncompressed_size > uncompressed_output.max_size()) + return false; + + uncompressed_output.resize(uncompressed_size); + if (zlib_internal::GzipUncompressHelper( + bit_cast(uncompressed_output.data()), &uncompressed_size, + bit_cast(input.data()), + static_cast(input.length())) == Z_OK) { + output->swap(uncompressed_output); + return true; + } + return false; +} + +bool GzipUncompress(base::StringPiece input, base::StringPiece output) { + uLongf uncompressed_size = GetUncompressedSize(input); + if (uncompressed_size > output.size()) + return false; + return zlib_internal::GzipUncompressHelper( + bit_cast(output.data()), &uncompressed_size, + bit_cast(input.data()), + static_cast(input.length())) == Z_OK; +} + +bool GzipUncompress(base::StringPiece input, std::string* output) { + // Disallow in-place usage, i.e., |input| using |*output| as underlying data. + DCHECK_NE(input.data(), output->data()); + uLongf uncompressed_size = GetUncompressedSize(input); + output->resize(uncompressed_size); + return zlib_internal::GzipUncompressHelper( + bit_cast(output->data()), &uncompressed_size, + bit_cast(input.data()), + static_cast(input.length())) == Z_OK; +} + +uint32_t GetUncompressedSize(base::StringPiece compressed_data) { + return zlib_internal::GetGzipUncompressedSize( + bit_cast(compressed_data.data()), compressed_data.length()); +} + +} // namespace compression diff --git a/deps/zlib/google/compression_utils.h b/deps/zlib/google/compression_utils.h new file mode 100644 index 00000000000000..516220719ff43c --- /dev/null +++ b/deps/zlib/google/compression_utils.h @@ -0,0 +1,56 @@ +// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_H_ +#define THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_H_ + +#include + +#include "base/strings/string_piece.h" + +namespace compression { + +// Compresses the data in |input| using gzip, storing the result in +// |output_buffer|, of size |output_buffer_size|. If the buffer is large enough +// and compression succeeds, |compressed_size| points to the compressed data +// size after the call. +// |malloc_fn| and |free_fn| are pointers to malloc() and free()-like functions, +// or nullptr to use the standard ones. +// Returns true for success. +bool GzipCompress(base::StringPiece input, + char* output_buffer, + size_t output_buffer_size, + size_t* compressed_size, + void* (*malloc_fn)(size_t), + void (*free_fn)(void*)); + +// Compresses the data in |input| using gzip, storing the result in |output|. +// |input| and |output| are allowed to point to the same string (in-place +// operation). +// Returns true for success. +bool GzipCompress(base::StringPiece input, std::string* output); + +// Uncompresses the data in |input| using gzip, storing the result in |output|. +// |input| and |output| are allowed to be the same string (in-place operation). +// Returns true for success. +bool GzipUncompress(const std::string& input, std::string* output); + +// Like the above method, but uses base::StringPiece to avoid allocations if +// needed. |output|'s size must be at least as large as the return value from +// GetUncompressedSize. +// Returns true for success. +bool GzipUncompress(base::StringPiece input, base::StringPiece output); + +// Uncompresses the data in |input| using gzip, and writes the results to +// |output|, which must NOT be the underlying string of |input|, and is resized +// if necessary. +// Returns true for success. +bool GzipUncompress(base::StringPiece input, std::string* output); + +// Returns the uncompressed size from GZIP-compressed |compressed_data|. +uint32_t GetUncompressedSize(base::StringPiece compressed_data); + +} // namespace compression + +#endif // THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_H_ diff --git a/deps/zlib/google/compression_utils_portable.cc b/deps/zlib/google/compression_utils_portable.cc new file mode 100644 index 00000000000000..191e349e31ad30 --- /dev/null +++ b/deps/zlib/google/compression_utils_portable.cc @@ -0,0 +1,205 @@ +/* compression_utils_portable.cc + * + * Copyright 2019 The Chromium Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the Chromium source repository LICENSE file. + */ + +#include "third_party/zlib/google/compression_utils_portable.h" + +#include +#include +#include + +namespace zlib_internal { + +// The difference in bytes between a zlib header and a gzip header. +const size_t kGzipZlibHeaderDifferenceBytes = 16; + +// Pass an integer greater than the following get a gzip header instead of a +// zlib header when calling deflateInit2() and inflateInit2(). +const int kWindowBitsToGetGzipHeader = 16; + +// This describes the amount of memory zlib uses to compress data. It can go +// from 1 to 9, with 8 being the default. For details, see: +// http://www.zlib.net/manual.html (search for memLevel). +const int kZlibMemoryLevel = 8; + +// The expected compressed size is based on the input size factored by +// internal Zlib constants (e.g. window size, etc) plus the wrapper +// header size. +uLongf GzipExpectedCompressedSize(uLongf input_size) { + return kGzipZlibHeaderDifferenceBytes + compressBound(input_size); +} + +// The expected decompressed size is stored in the last +// 4 bytes of |input| in LE. See https://tools.ietf.org/html/rfc1952#page-5 +uint32_t GetGzipUncompressedSize(const Bytef* compressed_data, size_t length) { + uint32_t size; + if (length < sizeof(size)) + return 0; + + memcpy(&size, &compressed_data[length - sizeof(size)], sizeof(size)); +#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ + return size; +#else + return __builtin_bswap32(size); +#endif +} + +// The number of window bits determines the type of wrapper to use - see +// https://cs.chromium.org/chromium/src/third_party/zlib/zlib.h?l=566 +inline int ZlibStreamWrapperType(WrapperType type) { + if (type == ZLIB) // zlib DEFLATE stream wrapper + return MAX_WBITS; + if (type == GZIP) // gzip DEFLATE stream wrapper + return MAX_WBITS + kWindowBitsToGetGzipHeader; + if (type == ZRAW) // no wrapper, use raw DEFLATE + return -MAX_WBITS; + return 0; +} + +int GzipCompressHelper(Bytef* dest, + uLongf* dest_length, + const Bytef* source, + uLong source_length, + void* (*malloc_fn)(size_t), + void (*free_fn)(void*)) { + return CompressHelper(GZIP, dest, dest_length, source, source_length, + Z_DEFAULT_COMPRESSION, malloc_fn, free_fn); +} + +// This code is taken almost verbatim from third_party/zlib/compress.c. The only +// difference is deflateInit2() is called which allows different window bits to +// be set. > 16 causes a gzip header to be emitted rather than a zlib header, +// and negative causes no header to emitted. +// +// Compression level can be a number from 1-9, with 1 being the fastest, 9 being +// the best compression. The default, which the GZIP helper uses, is 6. +int CompressHelper(WrapperType wrapper_type, + Bytef* dest, + uLongf* dest_length, + const Bytef* source, + uLong source_length, + int compression_level, + void* (*malloc_fn)(size_t), + void (*free_fn)(void*)) { + if (compression_level < 1 || compression_level > 9) { + compression_level = Z_DEFAULT_COMPRESSION; + } + + z_stream stream; + + // FIXME(cavalcantii): z_const is not defined as 'const'. + stream.next_in = static_cast(const_cast(source)); + stream.avail_in = static_cast(source_length); + stream.next_out = dest; + stream.avail_out = static_cast(*dest_length); + if (static_cast(stream.avail_out) != *dest_length) + return Z_BUF_ERROR; + + // Cannot convert capturing lambdas to function pointers directly, hence the + // structure. + struct MallocFreeFunctions { + void* (*malloc_fn)(size_t); + void (*free_fn)(void*); + } malloc_free = {malloc_fn, free_fn}; + + if (malloc_fn) { + if (!free_fn) + return Z_BUF_ERROR; + + auto zalloc = [](void* opaque, uInt items, uInt size) { + return reinterpret_cast(opaque)->malloc_fn(items * + size); + }; + auto zfree = [](void* opaque, void* address) { + return reinterpret_cast(opaque)->free_fn(address); + }; + + stream.zalloc = static_cast(zalloc); + stream.zfree = static_cast(zfree); + stream.opaque = static_cast(&malloc_free); + } else { + stream.zalloc = static_cast(0); + stream.zfree = static_cast(0); + stream.opaque = static_cast(0); + } + + int err = deflateInit2(&stream, compression_level, Z_DEFLATED, + ZlibStreamWrapperType(wrapper_type), kZlibMemoryLevel, + Z_DEFAULT_STRATEGY); + if (err != Z_OK) + return err; + + // This has to exist outside of the if statement to prevent it going off the + // stack before deflate(), which will use this object. + gz_header gzip_header; + if (wrapper_type == GZIP) { + memset(&gzip_header, 0, sizeof(gzip_header)); + err = deflateSetHeader(&stream, &gzip_header); + if (err != Z_OK) + return err; + } + + err = deflate(&stream, Z_FINISH); + if (err != Z_STREAM_END) { + deflateEnd(&stream); + return err == Z_OK ? Z_BUF_ERROR : err; + } + *dest_length = stream.total_out; + + err = deflateEnd(&stream); + return err; +} + +int GzipUncompressHelper(Bytef* dest, + uLongf* dest_length, + const Bytef* source, + uLong source_length) { + return UncompressHelper(GZIP, dest, dest_length, source, source_length); +} + +// This code is taken almost verbatim from third_party/zlib/uncompr.c. The only +// difference is inflateInit2() is called which allows different window bits to +// be set. > 16 causes a gzip header to be emitted rather than a zlib header, +// and negative causes no header to emitted. +int UncompressHelper(WrapperType wrapper_type, + Bytef* dest, + uLongf* dest_length, + const Bytef* source, + uLong source_length) { + z_stream stream; + + // FIXME(cavalcantii): z_const is not defined as 'const'. + stream.next_in = static_cast(const_cast(source)); + stream.avail_in = static_cast(source_length); + if (static_cast(stream.avail_in) != source_length) + return Z_BUF_ERROR; + + stream.next_out = dest; + stream.avail_out = static_cast(*dest_length); + if (static_cast(stream.avail_out) != *dest_length) + return Z_BUF_ERROR; + + stream.zalloc = static_cast(0); + stream.zfree = static_cast(0); + + int err = inflateInit2(&stream, ZlibStreamWrapperType(wrapper_type)); + if (err != Z_OK) + return err; + + err = inflate(&stream, Z_FINISH); + if (err != Z_STREAM_END) { + inflateEnd(&stream); + if (err == Z_NEED_DICT || (err == Z_BUF_ERROR && stream.avail_in == 0)) + return Z_DATA_ERROR; + return err; + } + *dest_length = stream.total_out; + + err = inflateEnd(&stream); + return err; +} + +} // namespace zlib_internal diff --git a/deps/zlib/google/compression_utils_portable.h b/deps/zlib/google/compression_utils_portable.h new file mode 100644 index 00000000000000..cd004e86cf515c --- /dev/null +++ b/deps/zlib/google/compression_utils_portable.h @@ -0,0 +1,59 @@ +/* compression_utils_portable.h + * + * Copyright 2019 The Chromium Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the Chromium source repository LICENSE file. + */ +#ifndef THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_PORTABLE_H_ +#define THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_PORTABLE_H_ + +#include + +#if defined(USE_SYSTEM_ZLIB) +#include +#else +#include "third_party/zlib/zlib.h" +#endif + +namespace zlib_internal { + +enum WrapperType { + ZLIB, + GZIP, + ZRAW, +}; + +uLongf GzipExpectedCompressedSize(uLongf input_size); + +uint32_t GetGzipUncompressedSize(const Bytef* compressed_data, size_t length); + +int GzipCompressHelper(Bytef* dest, + uLongf* dest_length, + const Bytef* source, + uLong source_length, + void* (*malloc_fn)(size_t), + void (*free_fn)(void*)); + +int CompressHelper(WrapperType wrapper_type, + Bytef* dest, + uLongf* dest_length, + const Bytef* source, + uLong source_length, + int compression_level, + void* (*malloc_fn)(size_t), + void (*free_fn)(void*)); + +int GzipUncompressHelper(Bytef* dest, + uLongf* dest_length, + const Bytef* source, + uLong source_length); + +int UncompressHelper(WrapperType wrapper_type, + Bytef* dest, + uLongf* dest_length, + const Bytef* source, + uLong source_length); + +} // namespace zlib_internal + +#endif // THIRD_PARTY_ZLIB_GOOGLE_COMPRESSION_UTILS_PORTABLE_H_ diff --git a/deps/zlib/google/compression_utils_unittest.cc b/deps/zlib/google/compression_utils_unittest.cc new file mode 100644 index 00000000000000..b0e04b8c973633 --- /dev/null +++ b/deps/zlib/google/compression_utils_unittest.cc @@ -0,0 +1,104 @@ +// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "third_party/zlib/google/compression_utils.h" + +#include +#include + +#include + +#include "base/logging.h" +#include "base/stl_util.h" +#include "testing/gtest/include/gtest/gtest.h" + +namespace compression { + +namespace { + +// The data to be compressed by gzip. This is the hex representation of "hello +// world". +const uint8_t kData[] = {0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, + 0x77, 0x6f, 0x72, 0x6c, 0x64}; + +// This is the string representation of gzip compressed string above. It was +// obtained by running echo -n "hello world" | gzip -c | hexdump -e '8 1 ", +// 0x%x"' followed by 0'ing out the OS byte (10th byte) in the header. This is +// so that the test passes on all platforms (that run various OS'es). +const uint8_t kCompressedData[] = { + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcb, + 0x48, 0xcd, 0xc9, 0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0x01, + 0x00, 0x85, 0x11, 0x4a, 0x0d, 0x0b, 0x00, 0x00, 0x00}; + +} // namespace + +TEST(CompressionUtilsTest, GzipCompression) { + std::string data(reinterpret_cast(kData), base::size(kData)); + std::string compressed_data; + EXPECT_TRUE(GzipCompress(data, &compressed_data)); + std::string golden_compressed_data( + reinterpret_cast(kCompressedData), + base::size(kCompressedData)); + EXPECT_EQ(golden_compressed_data, compressed_data); +} + +TEST(CompressionUtilsTest, GzipUncompression) { + std::string compressed_data(reinterpret_cast(kCompressedData), + base::size(kCompressedData)); + + std::string uncompressed_data; + EXPECT_TRUE(GzipUncompress(compressed_data, &uncompressed_data)); + + std::string golden_data(reinterpret_cast(kData), + base::size(kData)); + EXPECT_EQ(golden_data, uncompressed_data); +} + +TEST(CompressionUtilsTest, GzipUncompressionFromStringPieceToString) { + base::StringPiece compressed_data( + reinterpret_cast(kCompressedData), + base::size(kCompressedData)); + + std::string uncompressed_data; + EXPECT_TRUE(GzipUncompress(compressed_data, &uncompressed_data)); + + std::string golden_data(reinterpret_cast(kData), + base::size(kData)); + EXPECT_EQ(golden_data, uncompressed_data); +} + +// Checks that compressing/decompressing input > 256 bytes works as expected. +TEST(CompressionUtilsTest, LargeInput) { + const size_t kSize = 32 * 1024; + + // Generate a data string of |kSize| for testing. + std::string data; + data.resize(kSize); + for (size_t i = 0; i < kSize; ++i) + data[i] = static_cast(i & 0xFF); + + std::string compressed_data; + EXPECT_TRUE(GzipCompress(data, &compressed_data)); + + std::string uncompressed_data; + EXPECT_TRUE(GzipUncompress(compressed_data, &uncompressed_data)); + + EXPECT_EQ(data, uncompressed_data); +} + +TEST(CompressionUtilsTest, InPlace) { + const std::string original_data(reinterpret_cast(kData), + base::size(kData)); + const std::string golden_compressed_data( + reinterpret_cast(kCompressedData), + base::size(kCompressedData)); + + std::string data(original_data); + EXPECT_TRUE(GzipCompress(data, &data)); + EXPECT_EQ(golden_compressed_data, data); + EXPECT_TRUE(GzipUncompress(data, &data)); + EXPECT_EQ(original_data, data); +} + +} // namespace compression diff --git a/deps/zlib/google/test/data/create_test_zip.sh b/deps/zlib/google/test/data/create_test_zip.sh new file mode 100644 index 00000000000000..f4cc635c2cf7a4 --- /dev/null +++ b/deps/zlib/google/test/data/create_test_zip.sh @@ -0,0 +1,17 @@ +#!/bin/bash +# +# Copyright (c) 2011 The Chromium Authors. 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In sem urna, semper ac, adipiscing sed, varius eget, quam. Fusce ipsum dolor, condimentum et, ornare in, consequat ac, nulla. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Nulla feugiat justo ac enim. Ut vehicula dapibus elit. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Aliquam lacus sem, viverra in, laoreet quis, cursus non, odio. Maecenas in elit. Pellentesque vitae dui. Ut dictum tellus et orci. Sed consectetur. Fusce tincidunt. Cras vulputate adipiscing metus. Aliquam lacinia. Vestibulum leo. Donec enim. Etiam imperdiet libero. Nam tellus ante, lobortis eget, dapibus vel, accumsan ultricies, nibh. In ultrices mauris at est. + +Phasellus ac elit sit amet felis aliquet venenatis. Sed porta libero at massa. Fusce blandit diam eget lorem. Nullam velit diam, fermentum eget, scelerisque non, faucibus a, tellus. Ut accumsan eros vitae velit. Proin vehicula aliquam felis. Proin ligula augue, gravida a, fermentum sit amet, sodales ac, purus. Phasellus sagittis scelerisque tellus. Ut gravida metus quis enim. Curabitur malesuada orci in massa. Pellentesque nibh turpis, adipiscing vel, rutrum quis, rhoncus vel, dolor. Pellentesque suscipit, arcu in egestas semper, lorem sapien vehicula nunc, non scelerisque lectus ante at diam. Etiam varius leo. Sed dictum, ante sed imperdiet ornare, felis leo lobortis eros, eu tincidunt lorem tellus sit amet mi. Mauris nisl elit, placerat non, scelerisque id, congue non, ligula. Nulla eget mi eu dolor scelerisque tempor. Fusce non lorem vel nibh mattis blandit. + +Vivamus sit amet urna quis eros varius condimentum. Phasellus placerat ligula ac felis. Vivamus tempor, metus id fermentum feugiat, justo ligula malesuada nisl, ut vulputate nisi arcu in eros. Vestibulum non erat in massa laoreet luctus. Praesent tempor, tortor eget sodales condimentum, purus odio gravida tellus, pellentesque euismod enim diam id augue. Duis malesuada lacus eu felis. Suspendisse tristique faucibus arcu. Etiam ac sapien. Aenean dolor enim, semper auctor, dapibus cursus, varius et, arcu. Aenean pede nunc, varius nec, pulvinar a, accumsan id, dui. Nulla a risus eget nibh pharetra rutrum. Quisque adipiscing adipiscing neque. Praesent faucibus lacus eu nulla. Vestibulum nec nunc vel quam cursus sollicitudin. Nam at quam at neque pharetra elementum. Sed ornare ullamcorper nibh. + +Aliquam aliquam vulputate diam. Ut molestie pharetra neque. Pellentesque sodales blandit nibh. Donec eget mauris eget mauris blandit pharetra. Etiam imperdiet commodo tellus. Nulla felis justo, vestibulum hendrerit, posuere vitae, viverra ut, risus. Pellentesque auctor, ante egestas suscipit vestibulum, sem dolor posuere urna, pellentesque dignissim ante orci a lectus. Suspendisse potenti. Sed et pede pretium arcu porttitor porta. Nullam nec nulla. Fusce lacinia, massa ac fermentum congue, dui quam varius mauris, vitae ullamcorper pede lacus at nisl. Suspendisse aliquam pede a sapien. Morbi pellentesque, mi id mattis aliquet, nisl erat tincidunt lorem, eu bibendum nunc nisi nec erat. Suspendisse commodo dapibus dolor. Quisque id risus. Nullam gravida est tempor lectus. + +Morbi mattis. Cras sagittis. Sed eleifend odio sit amet nibh. Cras sit amet massa. Donec congue nulla vel augue. Maecenas fermentum turpis at diam. In lobortis. Phasellus aliquet. Etiam eu diam. Integer accumsan. Integer sagittis tempor mi. Aliquam interdum lectus id augue. Donec vel eros. Donec vitae orci a sapien imperdiet consectetur. + +Maecenas est lorem, luctus vel, fringilla sed, rutrum nec, nisl. Donec sapien. Vestibulum at metus. Praesent erat. Nulla semper metus a lacus. Morbi ultrices. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Vivamus odio. Ut mauris. Fusce et risus. Proin at mauris a eros imperdiet mollis. Sed adipiscing hendrerit nisl. Curabitur libero. Donec nulla. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. + +Nullam non lacus. Vivamus rhoncus dolor sit amet ipsum. Vivamus volutpat eleifend odio. Vestibulum nunc. In at magna a pede gravida vulputate. Praesent ligula tellus, rhoncus elementum, pulvinar a, condimentum vitae, libero. Donec ornare dui. Proin non lorem quis massa placerat interdum. Nam justo. Aliquam rutrum dignissim mi. Mauris tellus. Proin dui felis, lacinia quis, volutpat a, blandit sed, neque. Etiam non dolor eu justo interdum tristique. Morbi volutpat, elit vitae rutrum iaculis, augue mi accumsan metus, sed porttitor felis mi sed felis. + +Nulla quam lectus, pharetra non, sodales sit amet, pretium quis, massa. Aliquam orci. Duis id massa. Pellentesque porttitor nibh id quam. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Donec convallis, pede vitae volutpat consequat, justo lorem ultricies nisi, ut scelerisque leo lorem in tellus. Cras bibendum. Sed hendrerit placerat tortor. Sed felis. Aliquam erat volutpat. Praesent rhoncus nisi. Vestibulum justo felis, tincidunt luctus, suscipit sed, tincidunt ut, lorem. Proin non risus ac mi mattis volutpat. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Nam pellentesque nisl sit amet sapien rutrum porta. + +Phasellus ut pede non odio ultricies egestas. Aenean nibh. Mauris magna felis, posuere non, tempus et, bibendum ut, felis. Donec vel ipsum ac nisi dapibus lobortis. Sed congue ligula at est. Vivamus elit est, rhoncus vitae, tempus at, consectetur nec, elit. Duis vehicula tellus vitae sem. Suspendisse rhoncus felis sit amet magna. Maecenas vulputate risus in diam. Nunc sollicitudin risus eget quam. Nam pretium purus eleifend dolor. Integer erat nulla, mattis eu, sollicitudin sed, sagittis nec, metus. + +Donec ante felis, ultrices nec, pellentesque nec, elementum et, nunc. Pellentesque in tortor sit amet urna aliquet tincidunt. Praesent ultrices. Sed tincidunt. Donec turpis enim, feugiat eu, cursus ut, viverra ut, odio. Morbi in orci quis enim vehicula lobortis. Proin in neque. Pellentesque venenatis neque sit amet augue. Proin suscipit nibh. Praesent et diam. + +In eget ligula quis libero vulputate eleifend. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Nunc non urna vitae mi vulputate adipiscing. Nulla vitae arcu. Nullam ut nisl ac enim pulvinar auctor. Suspendisse tortor pede, consectetur in, volutpat at, condimentum vel, ligula. Pellentesque nisi est, vulputate vitae, hendrerit id, venenatis sit amet, urna. Nunc lobortis. Sed rhoncus, tortor vitae pellentesque facilisis, massa ante interdum massa, feugiat faucibus pede nunc et tellus. Quisque auctor sollicitudin nibh. Aliquam congue. Praesent ullamcorper mi id lacus. Nullam ac risus et velit ullamcorper vehicula. Vestibulum consectetur convallis neque. Donec dapibus, ante a rutrum interdum, mi dui auctor lacus, quis posuere eros diam eu nisl. Integer nec velit vel purus eleifend condimentum. Cras quis nunc. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. + +Sed euismod, metus eu consectetur dictum, felis eros sodales pede, ac pellentesque lacus orci sed velit. Praesent a justo. Aliquam massa dolor, condimentum non, dapibus quis, vestibulum a, purus. Duis gravida porta dolor. Nullam sit amet mi sagittis massa pretium ultricies. Ut fringilla. Aliquam venenatis feugiat dui. Pellentesque tempor, leo et ullamcorper placerat, felis libero blandit nisl, sit amet pharetra nisl erat sit amet dolor. In sem erat, porta rhoncus, auctor ac, convallis feugiat, dui. Sed tempus metus at erat. Cras gravida. Cras urna nisi, fermentum non, sodales sed, adipiscing sed, nulla. + +Donec pellentesque, velit sit amet ultricies dictum, sem quam posuere arcu, tristique mollis nibh dui ac libero. Vestibulum consectetur velit sed dolor. Nullam ornare sodales nisi. Sed facilisis sollicitudin arcu. Proin vitae lectus vel nulla auctor faucibus. Aenean nec nisl sit amet risus faucibus tincidunt. Ut sed nisl. Vivamus vehicula ligula a nunc. Curabitur mauris. Integer est felis, fermentum aliquam, dignissim id, gravida id, purus. Nullam porta felis eget ante. Phasellus lacinia, odio et elementum viverra, dui neque tempus massa, ac adipiscing lectus velit vitae turpis. Integer scelerisque neque in tortor. Duis et elit. Mauris elementum urna sed risus. Nunc aliquet, ipsum ac venenatis elementum, sapien orci vulputate lacus, eu lobortis sapien lorem non enim. Donec enim sapien, gravida vitae, vestibulum et, mattis dapibus, sem. Phasellus mi. + +Cras a lorem nec diam aliquet viverra. Aliquam sed leo sit amet neque porta venenatis. Nulla facilisi. Duis lectus felis, fermentum quis, sagittis a, vestibulum consectetur, orci. Suspendisse sodales odio vitae lectus. Curabitur nunc. Phasellus cursus diam sit amet ipsum. Aenean cursus tellus eget nunc. Vivamus mattis urna a lorem. Mauris vitae mi. Morbi luctus molestie pede. Vestibulum lobortis lacus sed lacus. Aliquam nisl libero, pellentesque sed, facilisis ut, varius vehicula, lacus. Mauris orci. Pellentesque sed risus id quam sodales lobortis. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Sed facilisis, odio vitae laoreet auctor, nulla dui sagittis lectus, sit amet viverra orci arcu et lectus. Pellentesque ut sem. Maecenas a est. + +Suspendisse tincidunt. Sed bibendum molestie ligula. Suspendisse massa mauris, cursus a, luctus eget, posuere sed, nulla. Fusce vitae urna. Duis fermentum. Donec a neque ac pede lobortis mollis. Donec massa ligula, facilisis et, dapibus sed, ultrices non, sem. Phasellus diam. Maecenas velit arcu, viverra ut, gravida ac, tincidunt eget, nunc. Sed sit amet enim non dui tristique lacinia. Vivamus eu orci. Duis metus. Nulla facilisi. Phasellus at lectus. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Vivamus mauris. Duis dictum, erat eu scelerisque sollicitudin, mi augue tincidunt lorem, vel lacinia lectus nibh quis dui. Ut ornare dignissim elit. Phasellus posuere ligula vel justo. + +Sed neque. Quisque porttitor lorem vel arcu. Praesent a mi et risus suscipit egestas. Proin est lectus, rhoncus sit amet, aliquet non, fermentum ut, nulla. Aenean erat nisl, rutrum dictum, placerat vel, malesuada ac, arcu. Suspendisse posuere, ante sed consequat gravida, velit mi dignissim sem, et pretium dui diam in elit. Sed dictum nulla. Duis tristique tincidunt eros. Morbi velit. Donec a lorem. Aliquam cursus. Vivamus dapibus varius neque. Quisque eget diam. Nulla facilisi. Pellentesque eu sapien. Curabitur egestas cursus risus. Proin odio tortor, interdum eget, fringilla venenatis, luctus et, turpis. Phasellus nulla lorem, ullamcorper ut, elementum rhoncus, ultrices sed, ipsum. Nam volutpat. + +Quisque eu purus. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Curabitur non nulla. Donec dignissim porta lorem. Mauris ornare venenatis odio. Aenean eu lectus at eros porta molestie. Vivamus neque. Morbi aliquam. Nulla tincidunt enim id ligula. Nunc gravida felis consectetur dolor. Phasellus tempus. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Nulla nec libero quis ipsum auctor vehicula. Maecenas consectetur tempor turpis. Integer commodo. In hac habitasse platea dictumst. Donec nec justo quis sem placerat gravida. Donec sollicitudin, turpis sit amet bibendum elementum, nisl ligula venenatis ipsum, vel sollicitudin justo arcu eu leo. Phasellus aliquet faucibus libero. + +Nam molestie nulla eu risus. Fusce id erat. Maecenas volutpat nunc eu ligula. Sed tortor est, imperdiet quis, viverra et, ornare in, ipsum. Praesent aliquet. Nulla suscipit. In posuere enim in odio. Nullam ante ipsum, imperdiet id, convallis id, hendrerit id, libero. Donec convallis libero ut felis. Curabitur venenatis placerat justo. Vestibulum mauris arcu, scelerisque et, dapibus vel, scelerisque a, lectus. Sed sit amet orci id felis tristique tincidunt. Curabitur adipiscing, nulla vel pretium tristique, tellus ipsum lacinia eros, vitae venenatis pede lectus sit amet neque. Nulla feugiat. Aenean euismod, nunc vel rutrum mattis, lorem purus venenatis sapien, sed facilisis pede enim at elit. Vivamus viverra. Cras vitae purus ac felis fringilla condimentum. Nullam ac nisi vitae massa faucibus aliquet. + +Etiam ut nibh nec neque elementum iaculis. Maecenas facilisis nulla at lorem. Pellentesque elit sapien, ultricies at, dignissim nec, cursus eu, pede. Morbi gravida, ipsum eget malesuada eleifend, est arcu pulvinar nisl, et fermentum urna felis sed tellus. Mauris fermentum sollicitudin neque. Nunc at odio. Pellentesque et turpis. Cras congue congue nisi. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam feugiat dapibus tellus. Aenean aliquam, mi id interdum feugiat, nunc lorem laoreet massa, ac semper urna sem vel purus. Quisque bibendum tellus ut est. + +Morbi aliquam lectus sit amet nisi. Praesent urna purus, porttitor vitae, accumsan in, sollicitudin at, lorem. Donec diam dui, hendrerit eget, tincidunt ut, ultrices vehicula, dolor. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aliquam erat volutpat. Pellentesque iaculis iaculis lacus. Fusce auctor. Morbi vulputate purus at felis. 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"base/bind.h" +#include "base/files/file.h" +#include "base/files/file_enumerator.h" +#include "base/logging.h" +#include "base/memory/ptr_util.h" +#include "base/strings/string_util.h" +#include "build/build_config.h" +#include "third_party/zlib/google/zip_internal.h" +#include "third_party/zlib/google/zip_reader.h" +#include "third_party/zlib/google/zip_writer.h" + +namespace zip { +namespace { + +bool IsHiddenFile(const base::FilePath& file_path) { + return file_path.BaseName().value()[0] == '.'; +} + +bool ExcludeNoFilesFilter(const base::FilePath& file_path) { + return true; +} + +bool ExcludeHiddenFilesFilter(const base::FilePath& file_path) { + return !IsHiddenFile(file_path); +} + +// Creates a directory at |extract_dir|/|entry_path|, including any parents. +bool CreateDirectory(const base::FilePath& extract_dir, + const base::FilePath& entry_path) { + return base::CreateDirectory(extract_dir.Append(entry_path)); +} + +// Creates a WriterDelegate that can write a file at |extract_dir|/|entry_path|. +std::unique_ptr CreateFilePathWriterDelegate( + const base::FilePath& extract_dir, + const base::FilePath& entry_path) { + return std::make_unique( + extract_dir.Append(entry_path)); +} + +class DirectFileAccessor : public FileAccessor { + public: + explicit DirectFileAccessor(base::FilePath src_dir) : src_dir_(src_dir) {} + ~DirectFileAccessor() override = default; + + std::vector OpenFilesForReading( + const std::vector& paths) override { + std::vector files; + for (const auto& path : paths) { + base::File file; + if (base::PathExists(path) && !base::DirectoryExists(path)) { + file = base::File(path, base::File::FLAG_OPEN | base::File::FLAG_READ); + } + files.push_back(std::move(file)); + } + return files; + } + + bool DirectoryExists(const base::FilePath& file) override { + return base::DirectoryExists(file); + } + + std::vector ListDirectoryContent( + const base::FilePath& dir) override { + std::vector files; + base::FileEnumerator file_enumerator( + dir, false /* recursive */, + base::FileEnumerator::FILES | base::FileEnumerator::DIRECTORIES); + for (base::FilePath path = file_enumerator.Next(); !path.value().empty(); + path = file_enumerator.Next()) { + files.push_back(DirectoryContentEntry(path, base::DirectoryExists(path))); + } + return files; + } + + base::Time GetLastModifiedTime(const base::FilePath& path) override { + base::File::Info file_info; + if (!base::GetFileInfo(path, &file_info)) { + LOG(ERROR) << "Failed to retrieve file modification time for " + << path.value(); + } + return file_info.last_modified; + } + + private: + base::FilePath src_dir_; + + DISALLOW_COPY_AND_ASSIGN(DirectFileAccessor); +}; + +} // namespace + +ZipParams::ZipParams(const base::FilePath& src_dir, + const base::FilePath& dest_file) + : src_dir_(src_dir), + dest_file_(dest_file), + file_accessor_(new DirectFileAccessor(src_dir)) {} + +#if defined(OS_POSIX) +// Does not take ownership of |fd|. +ZipParams::ZipParams(const base::FilePath& src_dir, int dest_fd) + : src_dir_(src_dir), + dest_fd_(dest_fd), + file_accessor_(new DirectFileAccessor(src_dir)) {} +#endif + +bool Zip(const ZipParams& params) { + // Using a pointer to avoid copies of a potentially large array. + const std::vector* files_to_add = ¶ms.files_to_zip(); + std::vector all_files; + if (files_to_add->empty()) { + // Include all files from the src_dir (modulo the src_dir itself and + // filtered and hidden files). + + files_to_add = &all_files; + // Using a list so we can call push_back while iterating. + std::list entries; + entries.push_back(FileAccessor::DirectoryContentEntry( + params.src_dir(), true /* is directory*/)); + const FilterCallback& filter_callback = params.filter_callback(); + for (auto iter = entries.begin(); iter != entries.end(); ++iter) { + const base::FilePath& entry_path = iter->path; + if (iter != entries.begin() && // Don't filter the root dir. + ((!params.include_hidden_files() && IsHiddenFile(entry_path)) || + (filter_callback && !filter_callback.Run(entry_path)))) { + continue; + } + + if (iter != entries.begin()) { // Exclude the root dir from the ZIP file. + // Make the path relative for AddEntryToZip. + base::FilePath relative_path; + bool success = + params.src_dir().AppendRelativePath(entry_path, &relative_path); + DCHECK(success); + all_files.push_back(relative_path); + } + + if (iter->is_directory) { + std::vector subentries = + params.file_accessor()->ListDirectoryContent(entry_path); + entries.insert(entries.end(), subentries.begin(), subentries.end()); + } + } + } + + std::unique_ptr zip_writer; +#if defined(OS_POSIX) + if (params.dest_fd() != base::kInvalidPlatformFile) { + DCHECK(params.dest_file().empty()); + zip_writer = internal::ZipWriter::CreateWithFd( + params.dest_fd(), params.src_dir(), params.file_accessor()); + if (!zip_writer) + return false; + } +#endif + if (!zip_writer) { + zip_writer = internal::ZipWriter::Create( + params.dest_file(), params.src_dir(), params.file_accessor()); + if (!zip_writer) + return false; + } + return zip_writer->WriteEntries(*files_to_add); +} + +bool Unzip(const base::FilePath& src_file, const base::FilePath& dest_dir) { + return UnzipWithFilterCallback( + src_file, dest_dir, base::BindRepeating(&ExcludeNoFilesFilter), true); +} + +bool UnzipWithFilterCallback(const base::FilePath& src_file, + const base::FilePath& dest_dir, + const FilterCallback& filter_cb, + bool log_skipped_files) { + base::File file(src_file, base::File::FLAG_OPEN | base::File::FLAG_READ); + if (!file.IsValid()) { + DLOG(WARNING) << "Failed to open " << src_file.value(); + return false; + } + return UnzipWithFilterAndWriters( + file.GetPlatformFile(), + base::BindRepeating(&CreateFilePathWriterDelegate, dest_dir), + base::BindRepeating(&CreateDirectory, dest_dir), filter_cb, + log_skipped_files); +} + +bool UnzipWithFilterAndWriters(const base::PlatformFile& src_file, + const WriterFactory& writer_factory, + const DirectoryCreator& directory_creator, + const FilterCallback& filter_cb, + bool log_skipped_files) { + ZipReader reader; + if (!reader.OpenFromPlatformFile(src_file)) { + DLOG(WARNING) << "Failed to open src_file " << src_file; + return false; + } + while (reader.HasMore()) { + if (!reader.OpenCurrentEntryInZip()) { + DLOG(WARNING) << "Failed to open the current file in zip"; + return false; + } + const base::FilePath& entry_path = reader.current_entry_info()->file_path(); + if (reader.current_entry_info()->is_unsafe()) { + DLOG(WARNING) << "Found an unsafe file in zip " << entry_path; + return false; + } + if (filter_cb.Run(entry_path)) { + if (reader.current_entry_info()->is_directory()) { + if (!directory_creator.Run(entry_path)) + return false; + } else { + std::unique_ptr writer = writer_factory.Run(entry_path); + if (!reader.ExtractCurrentEntry(writer.get(), + std::numeric_limits::max())) { + DLOG(WARNING) << "Failed to extract " << entry_path; + return false; + } + } + } else if (log_skipped_files) { + DLOG(WARNING) << "Skipped file " << entry_path; + } + + if (!reader.AdvanceToNextEntry()) { + DLOG(WARNING) << "Failed to advance to the next file"; + return false; + } + } + return true; +} + +bool ZipWithFilterCallback(const base::FilePath& src_dir, + const base::FilePath& dest_file, + const FilterCallback& filter_cb) { + DCHECK(base::DirectoryExists(src_dir)); + ZipParams params(src_dir, dest_file); + params.set_filter_callback(filter_cb); + return Zip(params); +} + +bool Zip(const base::FilePath& src_dir, const base::FilePath& dest_file, + bool include_hidden_files) { + if (include_hidden_files) { + return ZipWithFilterCallback(src_dir, dest_file, + base::BindRepeating(&ExcludeNoFilesFilter)); + } else { + return ZipWithFilterCallback( + src_dir, dest_file, base::BindRepeating(&ExcludeHiddenFilesFilter)); + } +} + +#if defined(OS_POSIX) +bool ZipFiles(const base::FilePath& src_dir, + const std::vector& src_relative_paths, + int dest_fd) { + DCHECK(base::DirectoryExists(src_dir)); + ZipParams params(src_dir, dest_fd); + params.set_files_to_zip(src_relative_paths); + return Zip(params); +} +#endif // defined(OS_POSIX) + +} // namespace zip diff --git a/deps/zlib/google/zip.h b/deps/zlib/google/zip.h new file mode 100644 index 00000000000000..4f64a8aca883a8 --- /dev/null +++ b/deps/zlib/google/zip.h @@ -0,0 +1,181 @@ +// Copyright (c) 2011 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef THIRD_PARTY_ZLIB_GOOGLE_ZIP_H_ +#define THIRD_PARTY_ZLIB_GOOGLE_ZIP_H_ + +#include + +#include "base/callback.h" +#include "base/files/file_path.h" +#include "base/files/platform_file.h" +#include "base/time/time.h" +#include "build/build_config.h" + +namespace base { +class File; +} + +namespace zip { + +class WriterDelegate; + +// Abstraction for file access operation required by Zip(). +// Can be passed to the ZipParams for providing custom access to the files, +// for example over IPC. +// If none is provided, the files are accessed directly. +// All parameters paths are expected to be absolute. +class FileAccessor { + public: + virtual ~FileAccessor() = default; + + struct DirectoryContentEntry { + DirectoryContentEntry(const base::FilePath& path, bool is_directory) + : path(path), is_directory(is_directory) {} + base::FilePath path; + bool is_directory = false; + }; + + // Opens files specified in |paths|. + // Directories should be mapped to invalid files. + virtual std::vector OpenFilesForReading( + const std::vector& paths) = 0; + + virtual bool DirectoryExists(const base::FilePath& path) = 0; + virtual std::vector ListDirectoryContent( + const base::FilePath& dir_path) = 0; + virtual base::Time GetLastModifiedTime(const base::FilePath& path) = 0; +}; + +class ZipParams { + public: + ZipParams(const base::FilePath& src_dir, const base::FilePath& dest_file); +#if defined(OS_POSIX) + // Does not take ownership of |dest_fd|. + ZipParams(const base::FilePath& src_dir, int dest_fd); + + int dest_fd() const { return dest_fd_; } +#endif + + const base::FilePath& src_dir() const { return src_dir_; } + + const base::FilePath& dest_file() const { return dest_file_; } + + // Restricts the files actually zipped to the paths listed in + // |src_relative_paths|. They must be relative to the |src_dir| passed in the + // constructor and will be used as the file names in the created zip file. All + // source paths must be under |src_dir| in the file system hierarchy. + void set_files_to_zip(const std::vector& src_relative_paths) { + src_files_ = src_relative_paths; + } + const std::vector& files_to_zip() const { return src_files_; } + + using FilterCallback = base::RepeatingCallback; + void set_filter_callback(FilterCallback filter_callback) { + filter_callback_ = filter_callback; + } + const FilterCallback& filter_callback() const { return filter_callback_; } + + void set_include_hidden_files(bool include_hidden_files) { + include_hidden_files_ = include_hidden_files; + } + bool include_hidden_files() const { return include_hidden_files_; } + + // Sets a custom file accessor for file operations. Default is to directly + // access the files (with fopen and the rest). + // Useful in cases where running in a sandbox process and file access has to + // go through IPC, for example. + void set_file_accessor(std::unique_ptr file_accessor) { + file_accessor_ = std::move(file_accessor); + } + FileAccessor* file_accessor() const { return file_accessor_.get(); } + + private: + base::FilePath src_dir_; + + base::FilePath dest_file_; +#if defined(OS_POSIX) + int dest_fd_ = base::kInvalidPlatformFile; +#endif + + // The relative paths to the files that should be included in the zip file. If + // this is empty, all files in |src_dir_| are included. + std::vector src_files_; + + // Filter used to exclude files from the ZIP file. Only effective when + // |src_files_| is empty. + FilterCallback filter_callback_; + + // Whether hidden files should be included in the ZIP file. Only effective + // when |src_files_| is empty. + bool include_hidden_files_ = true; + + // Abstraction around file system access used to read files. An implementation + // that accesses files directly is provided by default. + std::unique_ptr file_accessor_; +}; + +// Zip files specified into a ZIP archives. The source files and ZIP destination +// files (as well as other settings) are specified in |params|. +bool Zip(const ZipParams& params); + +// Zip the contents of src_dir into dest_file. src_path must be a directory. +// An entry will *not* be created in the zip for the root folder -- children +// of src_dir will be at the root level of the created zip. For each file in +// src_dir, include it only if the callback |filter_cb| returns true. Otherwise +// omit it. +using FilterCallback = base::RepeatingCallback; +bool ZipWithFilterCallback(const base::FilePath& src_dir, + const base::FilePath& dest_file, + const FilterCallback& filter_cb); + +// Convenience method for callers who don't need to set up the filter callback. +// If |include_hidden_files| is true, files starting with "." are included. +// Otherwise they are omitted. +bool Zip(const base::FilePath& src_dir, const base::FilePath& dest_file, + bool include_hidden_files); + +#if defined(OS_POSIX) +// Zips files listed in |src_relative_paths| to destination specified by file +// descriptor |dest_fd|, without taking ownership of |dest_fd|. The paths listed +// in |src_relative_paths| are relative to the |src_dir| and will be used as the +// file names in the created zip file. All source paths must be under |src_dir| +// in the file system hierarchy. +bool ZipFiles(const base::FilePath& src_dir, + const std::vector& src_relative_paths, + int dest_fd); +#endif // defined(OS_POSIX) + +// Unzip the contents of zip_file into dest_dir. +// For each file in zip_file, include it only if the callback |filter_cb| +// returns true. Otherwise omit it. +// If |log_skipped_files| is true, files skipped during extraction are printed +// to debug log. +using FilterCallback = base::RepeatingCallback; +bool UnzipWithFilterCallback(const base::FilePath& zip_file, + const base::FilePath& dest_dir, + const FilterCallback& filter_cb, + bool log_skipped_files); + +// Unzip the contents of zip_file, using the writers provided by writer_factory. +// For each file in zip_file, include it only if the callback |filter_cb| +// returns true. Otherwise omit it. +// If |log_skipped_files| is true, files skipped during extraction are printed +// to debug log. +typedef base::RepeatingCallback( + const base::FilePath&)> + WriterFactory; +typedef base::RepeatingCallback DirectoryCreator; +bool UnzipWithFilterAndWriters(const base::PlatformFile& zip_file, + const WriterFactory& writer_factory, + const DirectoryCreator& directory_creator, + const FilterCallback& filter_cb, + bool log_skipped_files); + +// Unzip the contents of zip_file into dest_dir. +bool Unzip(const base::FilePath& zip_file, const base::FilePath& dest_dir); + +} // namespace zip + +#endif // THIRD_PARTY_ZLIB_GOOGLE_ZIP_H_ diff --git a/deps/zlib/google/zip_internal.cc b/deps/zlib/google/zip_internal.cc new file mode 100644 index 00000000000000..314740f5447c03 --- /dev/null +++ b/deps/zlib/google/zip_internal.cc @@ -0,0 +1,379 @@ +// Copyright (c) 2011 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "third_party/zlib/google/zip_internal.h" + +#include + +#include + +#include "base/logging.h" +#include "base/strings/utf_string_conversions.h" + +#if defined(USE_SYSTEM_MINIZIP) +#include +#include +#include +#else +#include "third_party/zlib/contrib/minizip/unzip.h" +#include "third_party/zlib/contrib/minizip/zip.h" +#if defined(OS_WIN) +#include "third_party/zlib/contrib/minizip/iowin32.h" +#elif defined(OS_POSIX) +#include "third_party/zlib/contrib/minizip/ioapi.h" +#endif // defined(OS_POSIX) +#endif // defined(USE_SYSTEM_MINIZIP) + +namespace { + +#if defined(OS_WIN) +typedef struct { + HANDLE hf; + int error; +} WIN32FILE_IOWIN; + +// This function is derived from third_party/minizip/iowin32.c. +// Its only difference is that it treats the char* as UTF8 and +// uses the Unicode version of CreateFile. +void* ZipOpenFunc(void *opaque, const char* filename, int mode) { + DWORD desired_access = 0, creation_disposition = 0; + DWORD share_mode = 0, flags_and_attributes = 0; + HANDLE file = 0; + void* ret = NULL; + + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ) { + desired_access = GENERIC_READ; + creation_disposition = OPEN_EXISTING; + share_mode = FILE_SHARE_READ; + } else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) { + desired_access = GENERIC_WRITE | GENERIC_READ; + creation_disposition = OPEN_EXISTING; + } else if (mode & ZLIB_FILEFUNC_MODE_CREATE) { + desired_access = GENERIC_WRITE | GENERIC_READ; + creation_disposition = CREATE_ALWAYS; + } + + base::string16 filename16 = base::UTF8ToUTF16(filename); + if ((filename != NULL) && (desired_access != 0)) { + file = CreateFile(filename16.c_str(), desired_access, share_mode, + NULL, creation_disposition, flags_and_attributes, NULL); + } + + if (file == INVALID_HANDLE_VALUE) + file = NULL; + + if (file != NULL) { + WIN32FILE_IOWIN file_ret; + file_ret.hf = file; + file_ret.error = 0; + ret = malloc(sizeof(WIN32FILE_IOWIN)); + if (ret == NULL) + CloseHandle(file); + else + *(static_cast(ret)) = file_ret; + } + return ret; +} +#endif + +#if defined(OS_POSIX) +// Callback function for zlib that opens a file stream from a file descriptor. +// Since we do not own the file descriptor, dup it so that we can fdopen/fclose +// a file stream. +void* FdOpenFileFunc(void* opaque, const char* filename, int mode) { + FILE* file = NULL; + const char* mode_fopen = NULL; + + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ) + mode_fopen = "rb"; + else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + mode_fopen = "r+b"; + else if (mode & ZLIB_FILEFUNC_MODE_CREATE) + mode_fopen = "wb"; + + if ((filename != NULL) && (mode_fopen != NULL)) { + int fd = dup(*static_cast(opaque)); + if (fd != -1) + file = fdopen(fd, mode_fopen); + } + + return file; +} + +int FdCloseFileFunc(void* opaque, void* stream) { + fclose(static_cast(stream)); + free(opaque); // malloc'ed in FillFdOpenFileFunc() + return 0; +} + +// Fills |pzlib_filecunc_def| appropriately to handle the zip file +// referred to by |fd|. +void FillFdOpenFileFunc(zlib_filefunc_def* pzlib_filefunc_def, int fd) { + fill_fopen_filefunc(pzlib_filefunc_def); + pzlib_filefunc_def->zopen_file = FdOpenFileFunc; + pzlib_filefunc_def->zclose_file = FdCloseFileFunc; + int* ptr_fd = static_cast(malloc(sizeof(fd))); + *ptr_fd = fd; + pzlib_filefunc_def->opaque = ptr_fd; +} +#endif // defined(OS_POSIX) + +#if defined(OS_WIN) +// Callback function for zlib that opens a file stream from a Windows handle. +// Does not take ownership of the handle. +void* HandleOpenFileFunc(void* opaque, const char* filename, int mode) { + WIN32FILE_IOWIN file_ret; + file_ret.hf = static_cast(opaque); + file_ret.error = 0; + if (file_ret.hf == INVALID_HANDLE_VALUE) + return NULL; + + void* ret = malloc(sizeof(WIN32FILE_IOWIN)); + if (ret != NULL) + *(static_cast(ret)) = file_ret; + return ret; +} + +int HandleCloseFileFunc(void* opaque, void* stream) { + free(stream); // malloc'ed in HandleOpenFileFunc() + return 0; +} +#endif + +// A struct that contains data required for zlib functions to extract files from +// a zip archive stored in memory directly. The following I/O API functions +// expect their opaque parameters refer to this struct. +struct ZipBuffer { + const char* data; // weak + size_t length; + size_t offset; +}; + +// Opens the specified file. When this function returns a non-NULL pointer, zlib +// uses this pointer as a stream parameter while compressing or uncompressing +// data. (Returning NULL represents an error.) This function initializes the +// given opaque parameter and returns it because this parameter stores all +// information needed for uncompressing data. (This function does not support +// writing compressed data and it returns NULL for this case.) +void* OpenZipBuffer(void* opaque, const char* /*filename*/, int mode) { + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) != ZLIB_FILEFUNC_MODE_READ) { + NOTREACHED(); + return NULL; + } + ZipBuffer* buffer = static_cast(opaque); + if (!buffer || !buffer->data || !buffer->length) + return NULL; + buffer->offset = 0; + return opaque; +} + +// Reads compressed data from the specified stream. This function copies data +// refered by the opaque parameter and returns the size actually copied. +uLong ReadZipBuffer(void* opaque, void* /*stream*/, void* buf, uLong size) { + ZipBuffer* buffer = static_cast(opaque); + DCHECK_LE(buffer->offset, buffer->length); + size_t remaining_bytes = buffer->length - buffer->offset; + if (!buffer || !buffer->data || !remaining_bytes) + return 0; + size = std::min(size, static_cast(remaining_bytes)); + memcpy(buf, &buffer->data[buffer->offset], size); + buffer->offset += size; + return size; +} + +// Writes compressed data to the stream. This function always returns zero +// because this implementation is only for reading compressed data. +uLong WriteZipBuffer(void* /*opaque*/, + void* /*stream*/, + const void* /*buf*/, + uLong /*size*/) { + NOTREACHED(); + return 0; +} + +// Returns the offset from the beginning of the data. +long GetOffsetOfZipBuffer(void* opaque, void* /*stream*/) { + ZipBuffer* buffer = static_cast(opaque); + if (!buffer) + return -1; + return static_cast(buffer->offset); +} + +// Moves the current offset to the specified position. +long SeekZipBuffer(void* opaque, void* /*stream*/, uLong offset, int origin) { + ZipBuffer* buffer = static_cast(opaque); + if (!buffer) + return -1; + if (origin == ZLIB_FILEFUNC_SEEK_CUR) { + buffer->offset = std::min(buffer->offset + static_cast(offset), + buffer->length); + return 0; + } + if (origin == ZLIB_FILEFUNC_SEEK_END) { + buffer->offset = (buffer->length > offset) ? buffer->length - offset : 0; + return 0; + } + if (origin == ZLIB_FILEFUNC_SEEK_SET) { + buffer->offset = std::min(buffer->length, static_cast(offset)); + return 0; + } + NOTREACHED(); + return -1; +} + +// Closes the input offset and deletes all resources used for compressing or +// uncompressing data. This function deletes the ZipBuffer object referred by +// the opaque parameter since zlib deletes the unzFile object and it does not +// use this object any longer. +int CloseZipBuffer(void* opaque, void* /*stream*/) { + if (opaque) + free(opaque); + return 0; +} + +// Returns the last error happened when reading or writing data. This function +// always returns zero, which means there are not any errors. +int GetErrorOfZipBuffer(void* /*opaque*/, void* /*stream*/) { + return 0; +} + +// Returns a zip_fileinfo struct with the time represented by |file_time|. +zip_fileinfo TimeToZipFileInfo(const base::Time& file_time) { + base::Time::Exploded file_time_parts; + file_time.LocalExplode(&file_time_parts); + + zip_fileinfo zip_info = {}; + if (file_time_parts.year >= 1980) { + // This if check works around the handling of the year value in + // contrib/minizip/zip.c in function zip64local_TmzDateToDosDate + // It assumes that dates below 1980 are in the double digit format. + // Hence the fail safe option is to leave the date unset. Some programs + // might show the unset date as 1980-0-0 which is invalid. + zip_info.tmz_date.tm_year = file_time_parts.year; + zip_info.tmz_date.tm_mon = file_time_parts.month - 1; + zip_info.tmz_date.tm_mday = file_time_parts.day_of_month; + zip_info.tmz_date.tm_hour = file_time_parts.hour; + zip_info.tmz_date.tm_min = file_time_parts.minute; + zip_info.tmz_date.tm_sec = file_time_parts.second; + } + + return zip_info; +} +} // namespace + +namespace zip { +namespace internal { + +unzFile OpenForUnzipping(const std::string& file_name_utf8) { + zlib_filefunc_def* zip_func_ptrs = NULL; +#if defined(OS_WIN) + zlib_filefunc_def zip_funcs; + fill_win32_filefunc(&zip_funcs); + zip_funcs.zopen_file = ZipOpenFunc; + zip_func_ptrs = &zip_funcs; +#endif + return unzOpen2(file_name_utf8.c_str(), zip_func_ptrs); +} + +#if defined(OS_POSIX) +unzFile OpenFdForUnzipping(int zip_fd) { + zlib_filefunc_def zip_funcs; + FillFdOpenFileFunc(&zip_funcs, zip_fd); + // Passing dummy "fd" filename to zlib. + return unzOpen2("fd", &zip_funcs); +} +#endif + +#if defined(OS_WIN) +unzFile OpenHandleForUnzipping(HANDLE zip_handle) { + zlib_filefunc_def zip_funcs; + fill_win32_filefunc(&zip_funcs); + zip_funcs.zopen_file = HandleOpenFileFunc; + zip_funcs.zclose_file = HandleCloseFileFunc; + zip_funcs.opaque = zip_handle; + return unzOpen2("fd", &zip_funcs); +} +#endif + +// static +unzFile PrepareMemoryForUnzipping(const std::string& data) { + if (data.empty()) + return NULL; + + ZipBuffer* buffer = static_cast(malloc(sizeof(ZipBuffer))); + if (!buffer) + return NULL; + buffer->data = data.data(); + buffer->length = data.length(); + buffer->offset = 0; + + zlib_filefunc_def zip_functions; + zip_functions.zopen_file = OpenZipBuffer; + zip_functions.zread_file = ReadZipBuffer; + zip_functions.zwrite_file = WriteZipBuffer; + zip_functions.ztell_file = GetOffsetOfZipBuffer; + zip_functions.zseek_file = SeekZipBuffer; + zip_functions.zclose_file = CloseZipBuffer; + zip_functions.zerror_file = GetErrorOfZipBuffer; + zip_functions.opaque = static_cast(buffer); + return unzOpen2(NULL, &zip_functions); +} + +zipFile OpenForZipping(const std::string& file_name_utf8, int append_flag) { + zlib_filefunc_def* zip_func_ptrs = NULL; +#if defined(OS_WIN) + zlib_filefunc_def zip_funcs; + fill_win32_filefunc(&zip_funcs); + zip_funcs.zopen_file = ZipOpenFunc; + zip_func_ptrs = &zip_funcs; +#endif + return zipOpen2(file_name_utf8.c_str(), + append_flag, + NULL, // global comment + zip_func_ptrs); +} + +#if defined(OS_POSIX) +zipFile OpenFdForZipping(int zip_fd, int append_flag) { + zlib_filefunc_def zip_funcs; + FillFdOpenFileFunc(&zip_funcs, zip_fd); + // Passing dummy "fd" filename to zlib. + return zipOpen2("fd", append_flag, NULL, &zip_funcs); +} +#endif + +bool ZipOpenNewFileInZip(zipFile zip_file, + const std::string& str_path, + base::Time last_modified_time) { + // Section 4.4.4 http://www.pkware.com/documents/casestudies/APPNOTE.TXT + // Setting the Language encoding flag so the file is told to be in utf-8. + const uLong LANGUAGE_ENCODING_FLAG = 0x1 << 11; + + zip_fileinfo file_info = TimeToZipFileInfo(last_modified_time); + if (ZIP_OK != zipOpenNewFileInZip4(zip_file, // file + str_path.c_str(), // filename + &file_info, // zip_fileinfo + NULL, // extrafield_local, + 0u, // size_extrafield_local + NULL, // extrafield_global + 0u, // size_extrafield_global + NULL, // comment + Z_DEFLATED, // method + Z_DEFAULT_COMPRESSION, // level + 0, // raw + -MAX_WBITS, // windowBits + DEF_MEM_LEVEL, // memLevel + Z_DEFAULT_STRATEGY, // strategy + NULL, // password + 0, // crcForCrypting + 0, // versionMadeBy + LANGUAGE_ENCODING_FLAG)) { // flagBase + DLOG(ERROR) << "Could not open zip file entry " << str_path; + return false; + } + return true; +} + +} // namespace internal +} // namespace zip diff --git a/deps/zlib/google/zip_internal.h b/deps/zlib/google/zip_internal.h new file mode 100644 index 00000000000000..49fb902a7408e7 --- /dev/null +++ b/deps/zlib/google/zip_internal.h @@ -0,0 +1,74 @@ +// Copyright (c) 2011 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_ +#define THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_ + +#include + +#include "base/time/time.h" +#include "build/build_config.h" + +#if defined(OS_WIN) +#include +#endif + +#if defined(USE_SYSTEM_MINIZIP) +#include +#include +#else +#include "third_party/zlib/contrib/minizip/unzip.h" +#include "third_party/zlib/contrib/minizip/zip.h" +#endif + +namespace base { +class FilePath; +} + +// Utility functions and constants used internally for the zip file +// library in the directory. Don't use them outside of the library. +namespace zip { +namespace internal { + +// Opens the given file name in UTF-8 for unzipping, with some setup for +// Windows. +unzFile OpenForUnzipping(const std::string& file_name_utf8); + +#if defined(OS_POSIX) +// Opens the file referred to by |zip_fd| for unzipping. +unzFile OpenFdForUnzipping(int zip_fd); +#endif + +#if defined(OS_WIN) +// Opens the file referred to by |zip_handle| for unzipping. +unzFile OpenHandleForUnzipping(HANDLE zip_handle); +#endif + +// Creates a custom unzFile object which reads data from the specified string. +// This custom unzFile object overrides the I/O API functions of zlib so it can +// read data from the specified string. +unzFile PrepareMemoryForUnzipping(const std::string& data); + +// Opens the given file name in UTF-8 for zipping, with some setup for +// Windows. |append_flag| will be passed to zipOpen2(). +zipFile OpenForZipping(const std::string& file_name_utf8, int append_flag); + +#if defined(OS_POSIX) +// Opens the file referred to by |zip_fd| for zipping. |append_flag| will be +// passed to zipOpen2(). +zipFile OpenFdForZipping(int zip_fd, int append_flag); +#endif + +// Wrapper around zipOpenNewFileInZip4 which passes most common options. +bool ZipOpenNewFileInZip(zipFile zip_file, + const std::string& str_path, + base::Time last_modified_time); + +const int kZipMaxPath = 256; +const int kZipBufSize = 8192; + +} // namespace internal +} // namespace zip + +#endif // THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_ diff --git a/deps/zlib/google/zip_reader.cc b/deps/zlib/google/zip_reader.cc new file mode 100644 index 00000000000000..8b4bb4aee782bf --- /dev/null +++ b/deps/zlib/google/zip_reader.cc @@ -0,0 +1,502 @@ +// Copyright (c) 2012 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "third_party/zlib/google/zip_reader.h" + +#include + +#include "base/bind.h" +#include "base/files/file.h" +#include "base/logging.h" +#include "base/macros.h" +#include "base/single_thread_task_runner.h" +#include "base/strings/string_util.h" +#include "base/strings/utf_string_conversions.h" +#include "base/threading/thread_task_runner_handle.h" +#include "build/build_config.h" +#include "third_party/zlib/google/zip_internal.h" + +#if defined(USE_SYSTEM_MINIZIP) +#include +#else +#include "third_party/zlib/contrib/minizip/unzip.h" +#if defined(OS_WIN) +#include "third_party/zlib/contrib/minizip/iowin32.h" +#endif // defined(OS_WIN) +#endif // defined(USE_SYSTEM_MINIZIP) + +namespace zip { + +namespace { + +// StringWriterDelegate -------------------------------------------------------- + +// A writer delegate that writes no more than |max_read_bytes| to a given +// std::string. +class StringWriterDelegate : public WriterDelegate { + public: + StringWriterDelegate(size_t max_read_bytes, std::string* output); + ~StringWriterDelegate() override; + + // WriterDelegate methods: + + // Returns true. + bool PrepareOutput() override; + + // Appends |num_bytes| bytes from |data| to the output string. Returns false + // if |num_bytes| will cause the string to exceed |max_read_bytes|. + bool WriteBytes(const char* data, int num_bytes) override; + + void SetTimeModified(const base::Time& time) override; + + private: + size_t max_read_bytes_; + std::string* output_; + + DISALLOW_COPY_AND_ASSIGN(StringWriterDelegate); +}; + +StringWriterDelegate::StringWriterDelegate(size_t max_read_bytes, + std::string* output) + : max_read_bytes_(max_read_bytes), + output_(output) { +} + +StringWriterDelegate::~StringWriterDelegate() { +} + +bool StringWriterDelegate::PrepareOutput() { + return true; +} + +bool StringWriterDelegate::WriteBytes(const char* data, int num_bytes) { + if (output_->size() + num_bytes > max_read_bytes_) + return false; + output_->append(data, num_bytes); + return true; +} + +void StringWriterDelegate::SetTimeModified(const base::Time& time) { + // Do nothing. +} + +} // namespace + +// TODO(satorux): The implementation assumes that file names in zip files +// are encoded in UTF-8. This is true for zip files created by Zip() +// function in zip.h, but not true for user-supplied random zip files. +ZipReader::EntryInfo::EntryInfo(const std::string& file_name_in_zip, + const unz_file_info& raw_file_info) + : file_path_(base::FilePath::FromUTF8Unsafe(file_name_in_zip)), + is_directory_(false), + is_unsafe_(false), + is_encrypted_(false) { + original_size_ = raw_file_info.uncompressed_size; + + // Directory entries in zip files end with "/". + is_directory_ = base::EndsWith(file_name_in_zip, "/", + base::CompareCase::INSENSITIVE_ASCII); + + // Check the file name here for directory traversal issues. + is_unsafe_ = file_path_.ReferencesParent(); + + // We also consider that the file name is unsafe, if it's invalid UTF-8. + base::string16 file_name_utf16; + if (!base::UTF8ToUTF16(file_name_in_zip.data(), file_name_in_zip.size(), + &file_name_utf16)) { + is_unsafe_ = true; + } + + // We also consider that the file name is unsafe, if it's absolute. + // On Windows, IsAbsolute() returns false for paths starting with "/". + if (file_path_.IsAbsolute() || + base::StartsWith(file_name_in_zip, "/", + base::CompareCase::INSENSITIVE_ASCII)) + is_unsafe_ = true; + + // Whether the file is encrypted is bit 0 of the flag. + is_encrypted_ = raw_file_info.flag & 1; + + // Construct the last modified time. The timezone info is not present in + // zip files, so we construct the time as local time. + base::Time::Exploded exploded_time = {}; // Zero-clear. + exploded_time.year = raw_file_info.tmu_date.tm_year; + // The month in zip file is 0-based, whereas ours is 1-based. + exploded_time.month = raw_file_info.tmu_date.tm_mon + 1; + exploded_time.day_of_month = raw_file_info.tmu_date.tm_mday; + exploded_time.hour = raw_file_info.tmu_date.tm_hour; + exploded_time.minute = raw_file_info.tmu_date.tm_min; + exploded_time.second = raw_file_info.tmu_date.tm_sec; + exploded_time.millisecond = 0; + + if (!base::Time::FromLocalExploded(exploded_time, &last_modified_)) + last_modified_ = base::Time::UnixEpoch(); +} + +ZipReader::ZipReader() { + Reset(); +} + +ZipReader::~ZipReader() { + Close(); +} + +bool ZipReader::Open(const base::FilePath& zip_file_path) { + DCHECK(!zip_file_); + + // Use of "Unsafe" function does not look good, but there is no way to do + // this safely on Linux. See file_util.h for details. + zip_file_ = internal::OpenForUnzipping(zip_file_path.AsUTF8Unsafe()); + if (!zip_file_) { + return false; + } + + return OpenInternal(); +} + +bool ZipReader::OpenFromPlatformFile(base::PlatformFile zip_fd) { + DCHECK(!zip_file_); + +#if defined(OS_POSIX) + zip_file_ = internal::OpenFdForUnzipping(zip_fd); +#elif defined(OS_WIN) + zip_file_ = internal::OpenHandleForUnzipping(zip_fd); +#endif + if (!zip_file_) { + return false; + } + + return OpenInternal(); +} + +bool ZipReader::OpenFromString(const std::string& data) { + zip_file_ = internal::PrepareMemoryForUnzipping(data); + if (!zip_file_) + return false; + return OpenInternal(); +} + +void ZipReader::Close() { + if (zip_file_) { + unzClose(zip_file_); + } + Reset(); +} + +bool ZipReader::HasMore() { + return !reached_end_; +} + +bool ZipReader::AdvanceToNextEntry() { + DCHECK(zip_file_); + + // Should not go further if we already reached the end. + if (reached_end_) + return false; + + unz_file_pos position = {}; + if (unzGetFilePos(zip_file_, &position) != UNZ_OK) + return false; + const int current_entry_index = position.num_of_file; + // If we are currently at the last entry, then the next position is the + // end of the zip file, so mark that we reached the end. + if (current_entry_index + 1 == num_entries_) { + reached_end_ = true; + } else { + DCHECK_LT(current_entry_index + 1, num_entries_); + if (unzGoToNextFile(zip_file_) != UNZ_OK) { + return false; + } + } + current_entry_info_.reset(); + return true; +} + +bool ZipReader::OpenCurrentEntryInZip() { + DCHECK(zip_file_); + + unz_file_info raw_file_info = {}; + char raw_file_name_in_zip[internal::kZipMaxPath] = {}; + const int result = unzGetCurrentFileInfo(zip_file_, + &raw_file_info, + raw_file_name_in_zip, + sizeof(raw_file_name_in_zip) - 1, + NULL, // extraField. + 0, // extraFieldBufferSize. + NULL, // szComment. + 0); // commentBufferSize. + if (result != UNZ_OK) + return false; + if (raw_file_name_in_zip[0] == '\0') + return false; + current_entry_info_.reset( + new EntryInfo(raw_file_name_in_zip, raw_file_info)); + return true; +} + +bool ZipReader::ExtractCurrentEntry(WriterDelegate* delegate, + uint64_t num_bytes_to_extract) const { + DCHECK(zip_file_); + + const int open_result = unzOpenCurrentFile(zip_file_); + if (open_result != UNZ_OK) + return false; + + if (!delegate->PrepareOutput()) + return false; + std::unique_ptr buf(new char[internal::kZipBufSize]); + + uint64_t remaining_capacity = num_bytes_to_extract; + bool entire_file_extracted = false; + + while (remaining_capacity > 0) { + const int num_bytes_read = + unzReadCurrentFile(zip_file_, buf.get(), internal::kZipBufSize); + + if (num_bytes_read == 0) { + entire_file_extracted = true; + break; + } else if (num_bytes_read < 0) { + // If num_bytes_read < 0, then it's a specific UNZ_* error code. + break; + } else if (num_bytes_read > 0) { + uint64_t num_bytes_to_write = std::min( + remaining_capacity, base::checked_cast(num_bytes_read)); + if (!delegate->WriteBytes(buf.get(), num_bytes_to_write)) + break; + if (remaining_capacity == base::checked_cast(num_bytes_read)) { + // Ensures function returns true if the entire file has been read. + entire_file_extracted = + (unzReadCurrentFile(zip_file_, buf.get(), 1) == 0); + } + CHECK_GE(remaining_capacity, num_bytes_to_write); + remaining_capacity -= num_bytes_to_write; + } + } + + unzCloseCurrentFile(zip_file_); + + if (entire_file_extracted && + current_entry_info()->last_modified() != base::Time::UnixEpoch()) { + delegate->SetTimeModified(current_entry_info()->last_modified()); + } + + return entire_file_extracted; +} + +void ZipReader::ExtractCurrentEntryToFilePathAsync( + const base::FilePath& output_file_path, + SuccessCallback success_callback, + FailureCallback failure_callback, + const ProgressCallback& progress_callback) { + DCHECK(zip_file_); + DCHECK(current_entry_info_.get()); + + // If this is a directory, just create it and return. + if (current_entry_info()->is_directory()) { + if (base::CreateDirectory(output_file_path)) { + base::ThreadTaskRunnerHandle::Get()->PostTask( + FROM_HERE, std::move(success_callback)); + } else { + DVLOG(1) << "Unzip failed: unable to create directory."; + base::ThreadTaskRunnerHandle::Get()->PostTask( + FROM_HERE, std::move(failure_callback)); + } + return; + } + + if (unzOpenCurrentFile(zip_file_) != UNZ_OK) { + DVLOG(1) << "Unzip failed: unable to open current zip entry."; + base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, + std::move(failure_callback)); + return; + } + + base::FilePath output_dir_path = output_file_path.DirName(); + if (!base::CreateDirectory(output_dir_path)) { + DVLOG(1) << "Unzip failed: unable to create containing directory."; + base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, + std::move(failure_callback)); + return; + } + + const int flags = base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE; + base::File output_file(output_file_path, flags); + + if (!output_file.IsValid()) { + DVLOG(1) << "Unzip failed: unable to create platform file at " + << output_file_path.value(); + base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, + std::move(failure_callback)); + return; + } + + base::ThreadTaskRunnerHandle::Get()->PostTask( + FROM_HERE, + base::BindOnce(&ZipReader::ExtractChunk, weak_ptr_factory_.GetWeakPtr(), + Passed(std::move(output_file)), + std::move(success_callback), std::move(failure_callback), + progress_callback, 0 /* initial offset */)); +} + +bool ZipReader::ExtractCurrentEntryToString(uint64_t max_read_bytes, + std::string* output) const { + DCHECK(output); + DCHECK(zip_file_); + + if (max_read_bytes == 0) { + output->clear(); + return true; + } + + if (current_entry_info()->is_directory()) { + output->clear(); + return true; + } + + // The original_size() is the best hint for the real size, so it saves + // doing reallocations for the common case when the uncompressed size is + // correct. However, we need to assume that the uncompressed size could be + // incorrect therefore this function needs to read as much data as possible. + std::string contents; + contents.reserve( + static_cast(std::min(base::checked_cast(max_read_bytes), + current_entry_info()->original_size()))); + + StringWriterDelegate writer(max_read_bytes, &contents); + if (!ExtractCurrentEntry(&writer, max_read_bytes)) { + if (contents.length() < max_read_bytes) { + // There was an error in extracting entry. If ExtractCurrentEntry() + // returns false, the entire file was not read - in which case + // contents.length() should equal |max_read_bytes| unless an error + // occurred which caused extraction to be aborted. + output->clear(); + } else { + // |num_bytes| is less than the length of current entry. + output->swap(contents); + } + return false; + } + output->swap(contents); + return true; +} + +bool ZipReader::OpenInternal() { + DCHECK(zip_file_); + + unz_global_info zip_info = {}; // Zero-clear. + if (unzGetGlobalInfo(zip_file_, &zip_info) != UNZ_OK) { + return false; + } + num_entries_ = zip_info.number_entry; + if (num_entries_ < 0) + return false; + + // We are already at the end if the zip file is empty. + reached_end_ = (num_entries_ == 0); + return true; +} + +void ZipReader::Reset() { + zip_file_ = NULL; + num_entries_ = 0; + reached_end_ = false; + current_entry_info_.reset(); +} + +void ZipReader::ExtractChunk(base::File output_file, + SuccessCallback success_callback, + FailureCallback failure_callback, + const ProgressCallback& progress_callback, + const int64_t offset) { + char buffer[internal::kZipBufSize]; + + const int num_bytes_read = unzReadCurrentFile(zip_file_, + buffer, + internal::kZipBufSize); + + if (num_bytes_read == 0) { + unzCloseCurrentFile(zip_file_); + std::move(success_callback).Run(); + } else if (num_bytes_read < 0) { + DVLOG(1) << "Unzip failed: error while reading zipfile " + << "(" << num_bytes_read << ")"; + std::move(failure_callback).Run(); + } else { + if (num_bytes_read != output_file.Write(offset, buffer, num_bytes_read)) { + DVLOG(1) << "Unzip failed: unable to write all bytes to target."; + std::move(failure_callback).Run(); + return; + } + + int64_t current_progress = offset + num_bytes_read; + + progress_callback.Run(current_progress); + + base::ThreadTaskRunnerHandle::Get()->PostTask( + FROM_HERE, + base::BindOnce(&ZipReader::ExtractChunk, weak_ptr_factory_.GetWeakPtr(), + Passed(std::move(output_file)), + std::move(success_callback), std::move(failure_callback), + progress_callback, current_progress)); + } +} + +// FileWriterDelegate ---------------------------------------------------------- + +FileWriterDelegate::FileWriterDelegate(base::File* file) : file_(file) {} + +FileWriterDelegate::FileWriterDelegate(std::unique_ptr file) + : file_(file.get()), owned_file_(std::move(file)) {} + +FileWriterDelegate::~FileWriterDelegate() { + if (!file_->SetLength(file_length_)) { + DVPLOG(1) << "Failed updating length of written file"; + } +} + +bool FileWriterDelegate::PrepareOutput() { + return file_->Seek(base::File::FROM_BEGIN, 0) >= 0; +} + +bool FileWriterDelegate::WriteBytes(const char* data, int num_bytes) { + int bytes_written = file_->WriteAtCurrentPos(data, num_bytes); + if (bytes_written > 0) + file_length_ += bytes_written; + return bytes_written == num_bytes; +} + +void FileWriterDelegate::SetTimeModified(const base::Time& time) { + file_->SetTimes(base::Time::Now(), time); +} + +// FilePathWriterDelegate ------------------------------------------------------ + +FilePathWriterDelegate::FilePathWriterDelegate( + const base::FilePath& output_file_path) + : output_file_path_(output_file_path) {} + +FilePathWriterDelegate::~FilePathWriterDelegate() {} + +bool FilePathWriterDelegate::PrepareOutput() { + // We can't rely on parent directory entries being specified in the + // zip, so we make sure they are created. + if (!base::CreateDirectory(output_file_path_.DirName())) + return false; + + file_.Initialize(output_file_path_, + base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE); + return file_.IsValid(); +} + +bool FilePathWriterDelegate::WriteBytes(const char* data, int num_bytes) { + return num_bytes == file_.WriteAtCurrentPos(data, num_bytes); +} + +void FilePathWriterDelegate::SetTimeModified(const base::Time& time) { + file_.Close(); + base::TouchFile(output_file_path_, base::Time::Now(), time); +} + +} // namespace zip diff --git a/deps/zlib/google/zip_reader.h b/deps/zlib/google/zip_reader.h new file mode 100644 index 00000000000000..d442d428591e50 --- /dev/null +++ b/deps/zlib/google/zip_reader.h @@ -0,0 +1,301 @@ +// Copyright (c) 2011 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +#ifndef THIRD_PARTY_ZLIB_GOOGLE_ZIP_READER_H_ +#define THIRD_PARTY_ZLIB_GOOGLE_ZIP_READER_H_ + +#include +#include + +#include +#include + +#include "base/callback.h" +#include "base/files/file.h" +#include "base/files/file_path.h" +#include "base/files/file_util.h" +#include "base/macros.h" +#include "base/memory/weak_ptr.h" +#include "base/time/time.h" + +#if defined(USE_SYSTEM_MINIZIP) +#include +#else +#include "third_party/zlib/contrib/minizip/unzip.h" +#endif + +namespace zip { + +// A delegate interface used to stream out an entry; see +// ZipReader::ExtractCurrentEntry. +class WriterDelegate { + public: + virtual ~WriterDelegate() {} + + // Invoked once before any data is streamed out to pave the way (e.g., to open + // the output file). Return false on failure to cancel extraction. + virtual bool PrepareOutput() = 0; + + // Invoked to write the next chunk of data. Return false on failure to cancel + // extraction. + virtual bool WriteBytes(const char* data, int num_bytes) = 0; + + // Sets the last-modified time of the data. + virtual void SetTimeModified(const base::Time& time) = 0; +}; + +// This class is used for reading zip files. A typical use case of this +// class is to scan entries in a zip file and extract them. The code will +// look like: +// +// ZipReader reader; +// reader.Open(zip_file_path); +// while (reader.HasMore()) { +// reader.OpenCurrentEntryInZip(); +// const base::FilePath& entry_path = +// reader.current_entry_info()->file_path(); +// auto writer = CreateFilePathWriterDelegate(extract_dir, entry_path); +// reader.ExtractCurrentEntry(writer, std::numeric_limits::max()); +// reader.AdvanceToNextEntry(); +// } +// +// For simplicity, error checking is omitted in the example code above. The +// production code should check return values from all of these functions. +// +class ZipReader { + public: + // A callback that is called when the operation is successful. + using SuccessCallback = base::OnceClosure; + // A callback that is called when the operation fails. + using FailureCallback = base::OnceClosure; + // A callback that is called periodically during the operation with the number + // of bytes that have been processed so far. + using ProgressCallback = base::RepeatingCallback; + + // This class represents information of an entry (file or directory) in + // a zip file. + class EntryInfo { + public: + EntryInfo(const std::string& filename_in_zip, + const unz_file_info& raw_file_info); + + // Returns the file path. The path is usually relative like + // "foo/bar.txt", but if it's absolute, is_unsafe() returns true. + const base::FilePath& file_path() const { return file_path_; } + + // Returns the size of the original file (i.e. after uncompressed). + // Returns 0 if the entry is a directory. + // Note: this value should not be trusted, because it is stored as metadata + // in the zip archive and can be different from the real uncompressed size. + int64_t original_size() const { return original_size_; } + + // Returns the last modified time. If the time stored in the zip file was + // not valid, the unix epoch will be returned. + // + // The time stored in the zip archive uses the MS-DOS date and time format. + // http://msdn.microsoft.com/en-us/library/ms724247(v=vs.85).aspx + // As such the following limitations apply: + // * only years from 1980 to 2107 can be represented. + // * the time stamp has a 2 second resolution. + // * there's no timezone information, so the time is interpreted as local. + base::Time last_modified() const { return last_modified_; } + + // Returns true if the entry is a directory. + bool is_directory() const { return is_directory_; } + + // Returns true if the entry is unsafe, like having ".." or invalid + // UTF-8 characters in its file name, or the file path is absolute. + bool is_unsafe() const { return is_unsafe_; } + + // Returns true if the entry is encrypted. + bool is_encrypted() const { return is_encrypted_; } + + private: + const base::FilePath file_path_; + int64_t original_size_; + base::Time last_modified_; + bool is_directory_; + bool is_unsafe_; + bool is_encrypted_; + DISALLOW_COPY_AND_ASSIGN(EntryInfo); + }; + + ZipReader(); + ~ZipReader(); + + // Opens the zip file specified by |zip_file_path|. Returns true on + // success. + bool Open(const base::FilePath& zip_file_path); + + // Opens the zip file referred to by the platform file |zip_fd|, without + // taking ownership of |zip_fd|. Returns true on success. + bool OpenFromPlatformFile(base::PlatformFile zip_fd); + + // Opens the zip data stored in |data|. This class uses a weak reference to + // the given sring while extracting files, i.e. the caller should keep the + // string until it finishes extracting files. + bool OpenFromString(const std::string& data); + + // Closes the currently opened zip file. This function is called in the + // destructor of the class, so you usually don't need to call this. + void Close(); + + // Returns true if there is at least one entry to read. This function is + // used to scan entries with AdvanceToNextEntry(), like: + // + // while (reader.HasMore()) { + // // Do something with the current file here. + // reader.AdvanceToNextEntry(); + // } + bool HasMore(); + + // Advances the next entry. Returns true on success. + bool AdvanceToNextEntry(); + + // Opens the current entry in the zip file. On success, returns true and + // updates the the current entry state (i.e. current_entry_info() is + // updated). This function should be called before operations over the + // current entry like ExtractCurrentEntryToFile(). + // + // Note that there is no CloseCurrentEntryInZip(). The the current entry + // state is reset automatically as needed. + bool OpenCurrentEntryInZip(); + + // Extracts |num_bytes_to_extract| bytes of the current entry to |delegate|, + // starting from the beginning of the entry. Return value specifies whether + // the entire file was extracted. + bool ExtractCurrentEntry(WriterDelegate* delegate, + uint64_t num_bytes_to_extract) const; + + // Asynchronously extracts the current entry to the given output file path. + // If the current entry is a directory it just creates the directory + // synchronously instead. OpenCurrentEntryInZip() must be called beforehand. + // success_callback will be called on success and failure_callback will be + // called on failure. progress_callback will be called at least once. + // Callbacks will be posted to the current MessageLoop in-order. + void ExtractCurrentEntryToFilePathAsync( + const base::FilePath& output_file_path, + SuccessCallback success_callback, + FailureCallback failure_callback, + const ProgressCallback& progress_callback); + + // Extracts the current entry into memory. If the current entry is a + // directory, the |output| parameter is set to the empty string. If the + // current entry is a file, the |output| parameter is filled with its + // contents. OpenCurrentEntryInZip() must be called beforehand. Note: the + // |output| parameter can be filled with a big amount of data, avoid passing + // it around by value, but by reference or pointer. Note: the value returned + // by EntryInfo::original_size() cannot be trusted, so the real size of the + // uncompressed contents can be different. |max_read_bytes| limits the ammount + // of memory used to carry the entry. Returns true if the entire content is + // read. If the entry is bigger than |max_read_bytes|, returns false and + // |output| is filled with |max_read_bytes| of data. If an error occurs, + // returns false, and |output| is set to the empty string. + bool ExtractCurrentEntryToString(uint64_t max_read_bytes, + std::string* output) const; + + // Returns the current entry info. Returns NULL if the current entry is + // not yet opened. OpenCurrentEntryInZip() must be called beforehand. + EntryInfo* current_entry_info() const { + return current_entry_info_.get(); + } + + // Returns the number of entries in the zip file. + // Open() must be called beforehand. + int num_entries() const { return num_entries_; } + + private: + // Common code used both in Open and OpenFromFd. + bool OpenInternal(); + + // Resets the internal state. + void Reset(); + + // Extracts a chunk of the file to the target. Will post a task for the next + // chunk and success/failure/progress callbacks as necessary. + void ExtractChunk(base::File target_file, + SuccessCallback success_callback, + FailureCallback failure_callback, + const ProgressCallback& progress_callback, + const int64_t offset); + + unzFile zip_file_; + int num_entries_; + bool reached_end_; + std::unique_ptr current_entry_info_; + + base::WeakPtrFactory weak_ptr_factory_{this}; + + DISALLOW_COPY_AND_ASSIGN(ZipReader); +}; + +// A writer delegate that writes to a given File. +class FileWriterDelegate : public WriterDelegate { + public: + // Constructs a FileWriterDelegate that manipulates |file|. The delegate will + // not own |file|, therefore the caller must guarantee |file| will outlive the + // delegate. + explicit FileWriterDelegate(base::File* file); + + // Constructs a FileWriterDelegate that takes ownership of |file|. + explicit FileWriterDelegate(std::unique_ptr file); + + // Truncates the file to the number of bytes written. + ~FileWriterDelegate() override; + + // WriterDelegate methods: + + // Seeks to the beginning of the file, returning false if the seek fails. + bool PrepareOutput() override; + + // Writes |num_bytes| bytes of |data| to the file, returning false on error or + // if not all bytes could be written. + bool WriteBytes(const char* data, int num_bytes) override; + + // Sets the last-modified time of the data. + void SetTimeModified(const base::Time& time) override; + + // Return the actual size of the file. + int64_t file_length() { return file_length_; } + + private: + // The file the delegate modifies. + base::File* file_; + + // The delegate can optionally own the file it modifies, in which case + // owned_file_ is set and file_ is an alias for owned_file_. + std::unique_ptr owned_file_; + + int64_t file_length_ = 0; + + DISALLOW_COPY_AND_ASSIGN(FileWriterDelegate); +}; + +// A writer delegate that writes a file at a given path. +class FilePathWriterDelegate : public WriterDelegate { + public: + explicit FilePathWriterDelegate(const base::FilePath& output_file_path); + ~FilePathWriterDelegate() override; + + // WriterDelegate methods: + + // Creates the output file and any necessary intermediate directories. + bool PrepareOutput() override; + + // Writes |num_bytes| bytes of |data| to the file, returning false if not all + // bytes could be written. + bool WriteBytes(const char* data, int num_bytes) override; + + // Sets the last-modified time of the data. + void SetTimeModified(const base::Time& time) override; + + private: + base::FilePath output_file_path_; + base::File file_; + + DISALLOW_COPY_AND_ASSIGN(FilePathWriterDelegate); +}; + +} // namespace zip + +#endif // THIRD_PARTY_ZLIB_GOOGLE_ZIP_READER_H_ diff --git a/deps/zlib/google/zip_reader_unittest.cc b/deps/zlib/google/zip_reader_unittest.cc new file mode 100644 index 00000000000000..87190c7e0dee76 --- /dev/null +++ b/deps/zlib/google/zip_reader_unittest.cc @@ -0,0 +1,672 @@ +// Copyright (c) 2011 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "third_party/zlib/google/zip_reader.h" + +#include +#include +#include + +#include +#include + +#include "base/bind.h" +#include "base/files/file.h" +#include "base/files/file_util.h" +#include "base/files/scoped_temp_dir.h" +#include "base/hash/md5.h" +#include "base/logging.h" +#include "base/path_service.h" +#include "base/run_loop.h" +#include "base/stl_util.h" +#include "base/strings/stringprintf.h" +#include "base/strings/utf_string_conversions.h" +#include "base/test/task_environment.h" +#include "base/time/time.h" +#include "testing/gmock/include/gmock/gmock.h" +#include "testing/gtest/include/gtest/gtest.h" +#include "testing/platform_test.h" +#include "third_party/zlib/google/zip_internal.h" + +using ::testing::Return; +using ::testing::_; + +namespace { + +const static std::string kQuuxExpectedMD5 = "d1ae4ac8a17a0e09317113ab284b57a6"; + +class FileWrapper { + public: + typedef enum { + READ_ONLY, + READ_WRITE + } AccessMode; + + FileWrapper(const base::FilePath& path, AccessMode mode) { + int flags = base::File::FLAG_READ; + if (mode == READ_ONLY) + flags |= base::File::FLAG_OPEN; + else + flags |= base::File::FLAG_WRITE | base::File::FLAG_CREATE_ALWAYS; + + file_.Initialize(path, flags); + } + + ~FileWrapper() {} + + base::PlatformFile platform_file() { return file_.GetPlatformFile(); } + + base::File* file() { return &file_; } + + private: + base::File file_; +}; + +// A mock that provides methods that can be used as callbacks in asynchronous +// unzip functions. Tracks the number of calls and number of bytes reported. +// Assumes that progress callbacks will be executed in-order. +class MockUnzipListener : public base::SupportsWeakPtr { + public: + MockUnzipListener() + : success_calls_(0), + failure_calls_(0), + progress_calls_(0), + current_progress_(0) { + } + + // Success callback for async functions. + void OnUnzipSuccess() { + success_calls_++; + } + + // Failure callback for async functions. + void OnUnzipFailure() { + failure_calls_++; + } + + // Progress callback for async functions. + void OnUnzipProgress(int64_t progress) { + DCHECK(progress > current_progress_); + progress_calls_++; + current_progress_ = progress; + } + + int success_calls() { return success_calls_; } + int failure_calls() { return failure_calls_; } + int progress_calls() { return progress_calls_; } + int current_progress() { return current_progress_; } + + private: + int success_calls_; + int failure_calls_; + int progress_calls_; + + int64_t current_progress_; +}; + +class MockWriterDelegate : public zip::WriterDelegate { + public: + MOCK_METHOD0(PrepareOutput, bool()); + MOCK_METHOD2(WriteBytes, bool(const char*, int)); + MOCK_METHOD1(SetTimeModified, void(const base::Time&)); +}; + +bool ExtractCurrentEntryToFilePath(zip::ZipReader* reader, + base::FilePath path) { + zip::FilePathWriterDelegate writer(path); + return reader->ExtractCurrentEntry(&writer, + std::numeric_limits::max()); +} + +bool LocateAndOpenEntry(zip::ZipReader* reader, + const base::FilePath& path_in_zip) { + // The underlying library can do O(1) access, but ZipReader does not expose + // that. O(N) access is acceptable for these tests. + while (reader->HasMore()) { + if (!reader->OpenCurrentEntryInZip()) + return false; + if (reader->current_entry_info()->file_path() == path_in_zip) + return true; + reader->AdvanceToNextEntry(); + } + return false; +} + +} // namespace + +namespace zip { + +// Make the test a PlatformTest to setup autorelease pools properly on Mac. +class ZipReaderTest : public PlatformTest { + protected: + virtual void SetUp() { + PlatformTest::SetUp(); + + ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); + test_dir_ = temp_dir_.GetPath(); + + ASSERT_TRUE(GetTestDataDirectory(&test_data_dir_)); + + test_zip_file_ = test_data_dir_.AppendASCII("test.zip"); + encrypted_zip_file_ = test_data_dir_.AppendASCII("test_encrypted.zip"); + evil_zip_file_ = test_data_dir_.AppendASCII("evil.zip"); + evil_via_invalid_utf8_zip_file_ = test_data_dir_.AppendASCII( + "evil_via_invalid_utf8.zip"); + evil_via_absolute_file_name_zip_file_ = test_data_dir_.AppendASCII( + "evil_via_absolute_file_name.zip"); + + test_zip_contents_.insert(base::FilePath(FILE_PATH_LITERAL("foo/"))); + test_zip_contents_.insert(base::FilePath(FILE_PATH_LITERAL("foo/bar/"))); + test_zip_contents_.insert( + base::FilePath(FILE_PATH_LITERAL("foo/bar/baz.txt"))); + test_zip_contents_.insert( + base::FilePath(FILE_PATH_LITERAL("foo/bar/quux.txt"))); + test_zip_contents_.insert( + base::FilePath(FILE_PATH_LITERAL("foo/bar.txt"))); + test_zip_contents_.insert(base::FilePath(FILE_PATH_LITERAL("foo.txt"))); + test_zip_contents_.insert( + base::FilePath(FILE_PATH_LITERAL("foo/bar/.hidden"))); + } + + virtual void TearDown() { + PlatformTest::TearDown(); + } + + bool GetTestDataDirectory(base::FilePath* path) { + bool success = base::PathService::Get(base::DIR_SOURCE_ROOT, path); + EXPECT_TRUE(success); + if (!success) + return false; + *path = path->AppendASCII("third_party"); + *path = path->AppendASCII("zlib"); + *path = path->AppendASCII("google"); + *path = path->AppendASCII("test"); + *path = path->AppendASCII("data"); + return true; + } + + bool CompareFileAndMD5(const base::FilePath& path, + const std::string expected_md5) { + // Read the output file and compute the MD5. + std::string output; + if (!base::ReadFileToString(path, &output)) + return false; + const std::string md5 = base::MD5String(output); + return expected_md5 == md5; + } + + // The path to temporary directory used to contain the test operations. + base::FilePath test_dir_; + // The path to the test data directory where test.zip etc. are located. + base::FilePath test_data_dir_; + // The path to test.zip in the test data directory. + base::FilePath test_zip_file_; + // The path to test_encrypted.zip in the test data directory. + base::FilePath encrypted_zip_file_; + // The path to evil.zip in the test data directory. + base::FilePath evil_zip_file_; + // The path to evil_via_invalid_utf8.zip in the test data directory. + base::FilePath evil_via_invalid_utf8_zip_file_; + // The path to evil_via_absolute_file_name.zip in the test data directory. + base::FilePath evil_via_absolute_file_name_zip_file_; + std::set test_zip_contents_; + + base::ScopedTempDir temp_dir_; + + base::test::TaskEnvironment task_environment_; +}; + +TEST_F(ZipReaderTest, Open_ValidZipFile) { + ZipReader reader; + ASSERT_TRUE(reader.Open(test_zip_file_)); +} + +TEST_F(ZipReaderTest, Open_ValidZipPlatformFile) { + ZipReader reader; + FileWrapper zip_fd_wrapper(test_zip_file_, FileWrapper::READ_ONLY); + ASSERT_TRUE(reader.OpenFromPlatformFile(zip_fd_wrapper.platform_file())); +} + +TEST_F(ZipReaderTest, Open_NonExistentFile) { + ZipReader reader; + ASSERT_FALSE(reader.Open(test_data_dir_.AppendASCII("nonexistent.zip"))); +} + +TEST_F(ZipReaderTest, Open_ExistentButNonZipFile) { + ZipReader reader; + ASSERT_FALSE(reader.Open(test_data_dir_.AppendASCII("create_test_zip.sh"))); +} + +// Iterate through the contents in the test zip file, and compare that the +// contents collected from the zip reader matches the expected contents. +TEST_F(ZipReaderTest, Iteration) { + std::set actual_contents; + ZipReader reader; + ASSERT_TRUE(reader.Open(test_zip_file_)); + while (reader.HasMore()) { + ASSERT_TRUE(reader.OpenCurrentEntryInZip()); + actual_contents.insert(reader.current_entry_info()->file_path()); + ASSERT_TRUE(reader.AdvanceToNextEntry()); + } + EXPECT_FALSE(reader.AdvanceToNextEntry()); // Shouldn't go further. + EXPECT_EQ(test_zip_contents_.size(), + static_cast(reader.num_entries())); + EXPECT_EQ(test_zip_contents_.size(), actual_contents.size()); + EXPECT_EQ(test_zip_contents_, actual_contents); +} + +// Open the test zip file from a file descriptor, iterate through its contents, +// and compare that they match the expected contents. +TEST_F(ZipReaderTest, PlatformFileIteration) { + std::set actual_contents; + ZipReader reader; + FileWrapper zip_fd_wrapper(test_zip_file_, FileWrapper::READ_ONLY); + ASSERT_TRUE(reader.OpenFromPlatformFile(zip_fd_wrapper.platform_file())); + while (reader.HasMore()) { + ASSERT_TRUE(reader.OpenCurrentEntryInZip()); + actual_contents.insert(reader.current_entry_info()->file_path()); + ASSERT_TRUE(reader.AdvanceToNextEntry()); + } + EXPECT_FALSE(reader.AdvanceToNextEntry()); // Shouldn't go further. + EXPECT_EQ(test_zip_contents_.size(), + static_cast(reader.num_entries())); + EXPECT_EQ(test_zip_contents_.size(), actual_contents.size()); + EXPECT_EQ(test_zip_contents_, actual_contents); +} + +TEST_F(ZipReaderTest, current_entry_info_RegularFile) { + ZipReader reader; + ASSERT_TRUE(reader.Open(test_zip_file_)); + base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt")); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + ZipReader::EntryInfo* current_entry_info = reader.current_entry_info(); + + EXPECT_EQ(target_path, current_entry_info->file_path()); + EXPECT_EQ(13527, current_entry_info->original_size()); + + // The expected time stamp: 2009-05-29 06:22:20 + base::Time::Exploded exploded = {}; // Zero-clear. + current_entry_info->last_modified().LocalExplode(&exploded); + EXPECT_EQ(2009, exploded.year); + EXPECT_EQ(5, exploded.month); + EXPECT_EQ(29, exploded.day_of_month); + EXPECT_EQ(6, exploded.hour); + EXPECT_EQ(22, exploded.minute); + EXPECT_EQ(20, exploded.second); + EXPECT_EQ(0, exploded.millisecond); + + EXPECT_FALSE(current_entry_info->is_unsafe()); + EXPECT_FALSE(current_entry_info->is_directory()); +} + +TEST_F(ZipReaderTest, current_entry_info_DotDotFile) { + ZipReader reader; + ASSERT_TRUE(reader.Open(evil_zip_file_)); + base::FilePath target_path(FILE_PATH_LITERAL( + "../levilevilevilevilevilevilevilevilevilevilevilevil")); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + ZipReader::EntryInfo* current_entry_info = reader.current_entry_info(); + EXPECT_EQ(target_path, current_entry_info->file_path()); + + // This file is unsafe because of ".." in the file name. + EXPECT_TRUE(current_entry_info->is_unsafe()); + EXPECT_FALSE(current_entry_info->is_directory()); +} + +TEST_F(ZipReaderTest, current_entry_info_InvalidUTF8File) { + ZipReader reader; + ASSERT_TRUE(reader.Open(evil_via_invalid_utf8_zip_file_)); + // The evil file is the 2nd file in the zip file. + // We cannot locate by the file name ".\x80.\\evil.txt", + // as FilePath may internally convert the string. + ASSERT_TRUE(reader.AdvanceToNextEntry()); + ASSERT_TRUE(reader.OpenCurrentEntryInZip()); + ZipReader::EntryInfo* current_entry_info = reader.current_entry_info(); + + // This file is unsafe because of invalid UTF-8 in the file name. + EXPECT_TRUE(current_entry_info->is_unsafe()); + EXPECT_FALSE(current_entry_info->is_directory()); +} + +TEST_F(ZipReaderTest, current_entry_info_AbsoluteFile) { + ZipReader reader; + ASSERT_TRUE(reader.Open(evil_via_absolute_file_name_zip_file_)); + base::FilePath target_path(FILE_PATH_LITERAL("/evil.txt")); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + ZipReader::EntryInfo* current_entry_info = reader.current_entry_info(); + EXPECT_EQ(target_path, current_entry_info->file_path()); + + // This file is unsafe because of the absolute file name. + EXPECT_TRUE(current_entry_info->is_unsafe()); + EXPECT_FALSE(current_entry_info->is_directory()); +} + +TEST_F(ZipReaderTest, current_entry_info_Directory) { + ZipReader reader; + ASSERT_TRUE(reader.Open(test_zip_file_)); + base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/")); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + ZipReader::EntryInfo* current_entry_info = reader.current_entry_info(); + + EXPECT_EQ(base::FilePath(FILE_PATH_LITERAL("foo/bar/")), + current_entry_info->file_path()); + // The directory size should be zero. + EXPECT_EQ(0, current_entry_info->original_size()); + + // The expected time stamp: 2009-05-31 15:49:52 + base::Time::Exploded exploded = {}; // Zero-clear. + current_entry_info->last_modified().LocalExplode(&exploded); + EXPECT_EQ(2009, exploded.year); + EXPECT_EQ(5, exploded.month); + EXPECT_EQ(31, exploded.day_of_month); + EXPECT_EQ(15, exploded.hour); + EXPECT_EQ(49, exploded.minute); + EXPECT_EQ(52, exploded.second); + EXPECT_EQ(0, exploded.millisecond); + + EXPECT_FALSE(current_entry_info->is_unsafe()); + EXPECT_TRUE(current_entry_info->is_directory()); +} + +TEST_F(ZipReaderTest, current_entry_info_EncryptedFile) { + ZipReader reader; + base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt")); + + ASSERT_TRUE(reader.Open(encrypted_zip_file_)); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + EXPECT_TRUE(reader.current_entry_info()->is_encrypted()); + reader.Close(); + + ASSERT_TRUE(reader.Open(test_zip_file_)); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + EXPECT_FALSE(reader.current_entry_info()->is_encrypted()); +} + +// Verifies that the ZipReader class can extract a file from a zip archive +// stored in memory. This test opens a zip archive in a std::string object, +// extracts its content, and verifies the content is the same as the expected +// text. +TEST_F(ZipReaderTest, OpenFromString) { + // A zip archive consisting of one file "test.txt", which is a 16-byte text + // file that contains "This is a test.\n". + const char kTestData[] = + "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00\xa4\x66\x24\x41\x13\xe8" + "\xcb\x27\x10\x00\x00\x00\x10\x00\x00\x00\x08\x00\x1c\x00\x74\x65" + "\x73\x74\x2e\x74\x78\x74\x55\x54\x09\x00\x03\x34\x89\x45\x50\x34" + "\x89\x45\x50\x75\x78\x0b\x00\x01\x04\x8e\xf0\x00\x00\x04\x88\x13" + "\x00\x00\x54\x68\x69\x73\x20\x69\x73\x20\x61\x20\x74\x65\x73\x74" + "\x2e\x0a\x50\x4b\x01\x02\x1e\x03\x0a\x00\x00\x00\x00\x00\xa4\x66" + "\x24\x41\x13\xe8\xcb\x27\x10\x00\x00\x00\x10\x00\x00\x00\x08\x00" + "\x18\x00\x00\x00\x00\x00\x01\x00\x00\x00\xa4\x81\x00\x00\x00\x00" + "\x74\x65\x73\x74\x2e\x74\x78\x74\x55\x54\x05\x00\x03\x34\x89\x45" + "\x50\x75\x78\x0b\x00\x01\x04\x8e\xf0\x00\x00\x04\x88\x13\x00\x00" + "\x50\x4b\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00\x4e\x00\x00\x00" + "\x52\x00\x00\x00\x00\x00"; + std::string data(kTestData, base::size(kTestData)); + ZipReader reader; + ASSERT_TRUE(reader.OpenFromString(data)); + base::FilePath target_path(FILE_PATH_LITERAL("test.txt")); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + ASSERT_TRUE(ExtractCurrentEntryToFilePath(&reader, + test_dir_.AppendASCII("test.txt"))); + + std::string actual; + ASSERT_TRUE(base::ReadFileToString( + test_dir_.AppendASCII("test.txt"), &actual)); + EXPECT_EQ(std::string("This is a test.\n"), actual); +} + +// Verifies that the asynchronous extraction to a file works. +TEST_F(ZipReaderTest, ExtractToFileAsync_RegularFile) { + MockUnzipListener listener; + + ZipReader reader; + base::FilePath target_file = test_dir_.AppendASCII("quux.txt"); + base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt")); + ASSERT_TRUE(reader.Open(test_zip_file_)); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + reader.ExtractCurrentEntryToFilePathAsync( + target_file, + base::BindOnce(&MockUnzipListener::OnUnzipSuccess, listener.AsWeakPtr()), + base::BindOnce(&MockUnzipListener::OnUnzipFailure, listener.AsWeakPtr()), + base::BindRepeating(&MockUnzipListener::OnUnzipProgress, + listener.AsWeakPtr())); + + EXPECT_EQ(0, listener.success_calls()); + EXPECT_EQ(0, listener.failure_calls()); + EXPECT_EQ(0, listener.progress_calls()); + + base::RunLoop().RunUntilIdle(); + + EXPECT_EQ(1, listener.success_calls()); + EXPECT_EQ(0, listener.failure_calls()); + EXPECT_LE(1, listener.progress_calls()); + + std::string output; + ASSERT_TRUE(base::ReadFileToString(test_dir_.AppendASCII("quux.txt"), + &output)); + const std::string md5 = base::MD5String(output); + EXPECT_EQ(kQuuxExpectedMD5, md5); + + int64_t file_size = 0; + ASSERT_TRUE(base::GetFileSize(target_file, &file_size)); + + EXPECT_EQ(file_size, listener.current_progress()); +} + +// Verifies that the asynchronous extraction to a file works. +TEST_F(ZipReaderTest, ExtractToFileAsync_Directory) { + MockUnzipListener listener; + + ZipReader reader; + base::FilePath target_file = test_dir_.AppendASCII("foo"); + base::FilePath target_path(FILE_PATH_LITERAL("foo/")); + ASSERT_TRUE(reader.Open(test_zip_file_)); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + reader.ExtractCurrentEntryToFilePathAsync( + target_file, + base::BindOnce(&MockUnzipListener::OnUnzipSuccess, listener.AsWeakPtr()), + base::BindOnce(&MockUnzipListener::OnUnzipFailure, listener.AsWeakPtr()), + base::BindRepeating(&MockUnzipListener::OnUnzipProgress, + listener.AsWeakPtr())); + + EXPECT_EQ(0, listener.success_calls()); + EXPECT_EQ(0, listener.failure_calls()); + EXPECT_EQ(0, listener.progress_calls()); + + base::RunLoop().RunUntilIdle(); + + EXPECT_EQ(1, listener.success_calls()); + EXPECT_EQ(0, listener.failure_calls()); + EXPECT_GE(0, listener.progress_calls()); + + ASSERT_TRUE(base::DirectoryExists(target_file)); +} + +TEST_F(ZipReaderTest, ExtractCurrentEntryToString) { + // test_mismatch_size.zip contains files with names from 0.txt to 7.txt with + // sizes from 0 to 7 bytes respectively, being the contents of each file a + // substring of "0123456" starting at '0'. + base::FilePath test_zip_file = + test_data_dir_.AppendASCII("test_mismatch_size.zip"); + + ZipReader reader; + std::string contents; + ASSERT_TRUE(reader.Open(test_zip_file)); + + for (size_t i = 0; i < 8; i++) { + SCOPED_TRACE(base::StringPrintf("Processing %d.txt", static_cast(i))); + + base::FilePath file_name = base::FilePath::FromUTF8Unsafe( + base::StringPrintf("%d.txt", static_cast(i))); + ASSERT_TRUE(LocateAndOpenEntry(&reader, file_name)); + + if (i > 1) { + // Off by one byte read limit: must fail. + EXPECT_FALSE(reader.ExtractCurrentEntryToString(i - 1, &contents)); + } + + if (i > 0) { + // Exact byte read limit: must pass. + EXPECT_TRUE(reader.ExtractCurrentEntryToString(i, &contents)); + EXPECT_EQ(base::StringPiece("0123456", i).as_string(), contents); + } + + // More than necessary byte read limit: must pass. + EXPECT_TRUE(reader.ExtractCurrentEntryToString(16, &contents)); + EXPECT_EQ(base::StringPiece("0123456", i).as_string(), contents); + } + reader.Close(); +} + +TEST_F(ZipReaderTest, ExtractPartOfCurrentEntry) { + // test_mismatch_size.zip contains files with names from 0.txt to 7.txt with + // sizes from 0 to 7 bytes respectively, being the contents of each file a + // substring of "0123456" starting at '0'. + base::FilePath test_zip_file = + test_data_dir_.AppendASCII("test_mismatch_size.zip"); + + ZipReader reader; + std::string contents; + ASSERT_TRUE(reader.Open(test_zip_file)); + + base::FilePath file_name0 = base::FilePath::FromUTF8Unsafe("0.txt"); + ASSERT_TRUE(LocateAndOpenEntry(&reader, file_name0)); + EXPECT_TRUE(reader.ExtractCurrentEntryToString(0, &contents)); + EXPECT_EQ("", contents); + EXPECT_TRUE(reader.ExtractCurrentEntryToString(1, &contents)); + EXPECT_EQ("", contents); + + base::FilePath file_name1 = base::FilePath::FromUTF8Unsafe("1.txt"); + ASSERT_TRUE(LocateAndOpenEntry(&reader, file_name1)); + EXPECT_TRUE(reader.ExtractCurrentEntryToString(0, &contents)); + EXPECT_EQ("", contents); + EXPECT_TRUE(reader.ExtractCurrentEntryToString(1, &contents)); + EXPECT_EQ("0", contents); + EXPECT_TRUE(reader.ExtractCurrentEntryToString(2, &contents)); + EXPECT_EQ("0", contents); + + base::FilePath file_name4 = base::FilePath::FromUTF8Unsafe("4.txt"); + ASSERT_TRUE(LocateAndOpenEntry(&reader, file_name4)); + EXPECT_TRUE(reader.ExtractCurrentEntryToString(0, &contents)); + EXPECT_EQ("", contents); + EXPECT_FALSE(reader.ExtractCurrentEntryToString(2, &contents)); + EXPECT_EQ("01", contents); + EXPECT_TRUE(reader.ExtractCurrentEntryToString(4, &contents)); + EXPECT_EQ("0123", contents); + // Checks that entire file is extracted and function returns true when + // |max_read_bytes| is larger than file size. + EXPECT_TRUE(reader.ExtractCurrentEntryToString(5, &contents)); + EXPECT_EQ("0123", contents); + + reader.Close(); +} + +// This test exposes http://crbug.com/430959, at least on OS X +TEST_F(ZipReaderTest, DISABLED_LeakDetectionTest) { + for (int i = 0; i < 100000; ++i) { + FileWrapper zip_fd_wrapper(test_zip_file_, FileWrapper::READ_ONLY); + ZipReader reader; + ASSERT_TRUE(reader.OpenFromPlatformFile(zip_fd_wrapper.platform_file())); + } +} + +// Test that when WriterDelegate::PrepareMock returns false, no other methods on +// the delegate are called and the extraction fails. +TEST_F(ZipReaderTest, ExtractCurrentEntryPrepareFailure) { + testing::StrictMock mock_writer; + + EXPECT_CALL(mock_writer, PrepareOutput()) + .WillOnce(Return(false)); + + base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt")); + ZipReader reader; + + ASSERT_TRUE(reader.Open(test_zip_file_)); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + ASSERT_FALSE(reader.ExtractCurrentEntry( + &mock_writer, std::numeric_limits::max())); +} + +// Test that when WriterDelegate::WriteBytes returns false, no other methods on +// the delegate are called and the extraction fails. +TEST_F(ZipReaderTest, ExtractCurrentEntryWriteBytesFailure) { + testing::StrictMock mock_writer; + + EXPECT_CALL(mock_writer, PrepareOutput()) + .WillOnce(Return(true)); + EXPECT_CALL(mock_writer, WriteBytes(_, _)) + .WillOnce(Return(false)); + + base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt")); + ZipReader reader; + + ASSERT_TRUE(reader.Open(test_zip_file_)); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + ASSERT_FALSE(reader.ExtractCurrentEntry( + &mock_writer, std::numeric_limits::max())); +} + +// Test that extraction succeeds when the writer delegate reports all is well. +TEST_F(ZipReaderTest, ExtractCurrentEntrySuccess) { + testing::StrictMock mock_writer; + + EXPECT_CALL(mock_writer, PrepareOutput()) + .WillOnce(Return(true)); + EXPECT_CALL(mock_writer, WriteBytes(_, _)) + .WillRepeatedly(Return(true)); + EXPECT_CALL(mock_writer, SetTimeModified(_)); + + base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt")); + ZipReader reader; + + ASSERT_TRUE(reader.Open(test_zip_file_)); + ASSERT_TRUE(LocateAndOpenEntry(&reader, target_path)); + ASSERT_TRUE(reader.ExtractCurrentEntry(&mock_writer, + std::numeric_limits::max())); +} + +class FileWriterDelegateTest : public ::testing::Test { + protected: + void SetUp() override { + ASSERT_TRUE(base::CreateTemporaryFile(&temp_file_path_)); + file_.Initialize(temp_file_path_, (base::File::FLAG_CREATE_ALWAYS | + base::File::FLAG_READ | + base::File::FLAG_WRITE | + base::File::FLAG_TEMPORARY | + base::File::FLAG_DELETE_ON_CLOSE)); + ASSERT_TRUE(file_.IsValid()); + } + + // Writes data to the file, leaving the current position at the end of the + // write. + void PopulateFile() { + static const char kSomeData[] = "this sure is some data."; + static const size_t kSomeDataLen = sizeof(kSomeData) - 1; + ASSERT_NE(-1LL, file_.Write(0LL, kSomeData, kSomeDataLen)); + } + + base::FilePath temp_file_path_; + base::File file_; +}; + +TEST_F(FileWriterDelegateTest, WriteToStartAndTruncate) { + // Write stuff and advance. + PopulateFile(); + + // This should rewind, write, then truncate. + static const char kSomeData[] = "short"; + static const int kSomeDataLen = sizeof(kSomeData) - 1; + { + FileWriterDelegate writer(&file_); + ASSERT_TRUE(writer.PrepareOutput()); + ASSERT_TRUE(writer.WriteBytes(kSomeData, kSomeDataLen)); + } + ASSERT_EQ(kSomeDataLen, file_.GetLength()); + char buf[kSomeDataLen] = {}; + ASSERT_EQ(kSomeDataLen, file_.Read(0LL, buf, kSomeDataLen)); + ASSERT_EQ(std::string(kSomeData), std::string(buf, kSomeDataLen)); +} + +} // namespace zip diff --git a/deps/zlib/google/zip_unittest.cc b/deps/zlib/google/zip_unittest.cc new file mode 100644 index 00000000000000..7ea3c36c2a80f1 --- /dev/null +++ b/deps/zlib/google/zip_unittest.cc @@ -0,0 +1,559 @@ +// Copyright (c) 2011 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include +#include + +#include +#include +#include +#include + +#include "base/bind.h" +#include "base/files/file.h" +#include "base/files/file_enumerator.h" +#include "base/files/file_path.h" +#include "base/files/file_util.h" +#include "base/files/scoped_temp_dir.h" +#include "base/macros.h" +#include "base/path_service.h" +#include "base/strings/string_util.h" +#include "base/strings/stringprintf.h" +#include "build/build_config.h" +#include "testing/gtest/include/gtest/gtest.h" +#include "testing/platform_test.h" +#include "third_party/zlib/google/zip.h" +#include "third_party/zlib/google/zip_reader.h" + +namespace { + +bool CreateFile(const std::string& content, + base::FilePath* file_path, + base::File* file) { + if (!base::CreateTemporaryFile(file_path)) + return false; + + if (base::WriteFile(*file_path, content.data(), content.size()) == -1) + return false; + + *file = base::File( + *file_path, base::File::Flags::FLAG_OPEN | base::File::Flags::FLAG_READ); + return file->IsValid(); +} + +// A virtual file system containing: +// /test +// /test/foo.txt +// /test/bar/bar1.txt +// /test/bar/bar2.txt +// Used to test providing a custom zip::FileAccessor when unzipping. +class VirtualFileSystem : public zip::FileAccessor { + public: + static constexpr char kFooContent[] = "This is foo."; + static constexpr char kBar1Content[] = "This is bar."; + static constexpr char kBar2Content[] = "This is bar too."; + + VirtualFileSystem() { + base::FilePath test_dir(FILE_PATH_LITERAL("/test")); + base::FilePath foo_txt_path = test_dir.Append(FILE_PATH_LITERAL("foo.txt")); + + base::FilePath file_path; + base::File file; + bool success = CreateFile(kFooContent, &file_path, &file); + DCHECK(success); + files_[foo_txt_path] = std::move(file); + + base::FilePath bar_dir = test_dir.Append(FILE_PATH_LITERAL("bar")); + base::FilePath bar1_txt_path = + bar_dir.Append(FILE_PATH_LITERAL("bar1.txt")); + success = CreateFile(kBar1Content, &file_path, &file); + DCHECK(success); + files_[bar1_txt_path] = std::move(file); + + base::FilePath bar2_txt_path = + bar_dir.Append(FILE_PATH_LITERAL("bar2.txt")); + success = CreateFile(kBar2Content, &file_path, &file); + DCHECK(success); + files_[bar2_txt_path] = std::move(file); + + file_tree_[test_dir] = std::vector{ + DirectoryContentEntry(foo_txt_path, /*is_dir=*/false), + DirectoryContentEntry(bar_dir, /*is_dir=*/true)}; + file_tree_[bar_dir] = std::vector{ + DirectoryContentEntry(bar1_txt_path, /*is_dir=*/false), + DirectoryContentEntry(bar2_txt_path, /*is_dir=*/false)}; + } + ~VirtualFileSystem() override = default; + + private: + std::vector OpenFilesForReading( + const std::vector& paths) override { + std::vector files; + for (const auto& path : paths) { + auto iter = files_.find(path); + files.push_back(iter == files_.end() ? base::File() + : std::move(iter->second)); + } + return files; + } + + bool DirectoryExists(const base::FilePath& file) override { + return file_tree_.count(file) == 1 && files_.count(file) == 0; + } + + std::vector ListDirectoryContent( + const base::FilePath& dir) override { + auto iter = file_tree_.find(dir); + if (iter == file_tree_.end()) { + NOTREACHED(); + return std::vector(); + } + return iter->second; + } + + base::Time GetLastModifiedTime(const base::FilePath& path) override { + return base::Time::FromDoubleT(172097977); // Some random date. + } + + std::map> file_tree_; + std::map files_; + + DISALLOW_COPY_AND_ASSIGN(VirtualFileSystem); +}; + +// static +constexpr char VirtualFileSystem::kFooContent[]; +constexpr char VirtualFileSystem::kBar1Content[]; +constexpr char VirtualFileSystem::kBar2Content[]; + +// Make the test a PlatformTest to setup autorelease pools properly on Mac. +class ZipTest : public PlatformTest { + protected: + enum ValidYearType { + VALID_YEAR, + INVALID_YEAR + }; + + virtual void SetUp() { + PlatformTest::SetUp(); + + ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); + test_dir_ = temp_dir_.GetPath(); + + base::FilePath zip_path(test_dir_); + zip_contents_.insert(zip_path.Append(FILE_PATH_LITERAL("foo.txt"))); + zip_path = zip_path.Append(FILE_PATH_LITERAL("foo")); + zip_contents_.insert(zip_path); + zip_contents_.insert(zip_path.Append(FILE_PATH_LITERAL("bar.txt"))); + zip_path = zip_path.Append(FILE_PATH_LITERAL("bar")); + zip_contents_.insert(zip_path); + zip_contents_.insert(zip_path.Append(FILE_PATH_LITERAL("baz.txt"))); + zip_contents_.insert(zip_path.Append(FILE_PATH_LITERAL("quux.txt"))); + zip_contents_.insert(zip_path.Append(FILE_PATH_LITERAL(".hidden"))); + + // Include a subset of files in |zip_file_list_| to test ZipFiles(). + zip_file_list_.push_back(base::FilePath(FILE_PATH_LITERAL("foo.txt"))); + zip_file_list_.push_back( + base::FilePath(FILE_PATH_LITERAL("foo/bar/quux.txt"))); + zip_file_list_.push_back( + base::FilePath(FILE_PATH_LITERAL("foo/bar/.hidden"))); + } + + virtual void TearDown() { + PlatformTest::TearDown(); + } + + bool GetTestDataDirectory(base::FilePath* path) { + bool success = base::PathService::Get(base::DIR_SOURCE_ROOT, path); + EXPECT_TRUE(success); + if (!success) + return false; + *path = path->AppendASCII("third_party"); + *path = path->AppendASCII("zlib"); + *path = path->AppendASCII("google"); + *path = path->AppendASCII("test"); + *path = path->AppendASCII("data"); + return true; + } + + void TestUnzipFile(const base::FilePath::StringType& filename, + bool expect_hidden_files) { + base::FilePath test_dir; + ASSERT_TRUE(GetTestDataDirectory(&test_dir)); + TestUnzipFile(test_dir.Append(filename), expect_hidden_files); + } + + void TestUnzipFile(const base::FilePath& path, bool expect_hidden_files) { + ASSERT_TRUE(base::PathExists(path)) << "no file " << path.value(); + ASSERT_TRUE(zip::Unzip(path, test_dir_)); + + base::FilePath original_dir; + ASSERT_TRUE(GetTestDataDirectory(&original_dir)); + original_dir = original_dir.AppendASCII("test"); + + base::FileEnumerator files(test_dir_, true, + base::FileEnumerator::FILES | base::FileEnumerator::DIRECTORIES); + base::FilePath unzipped_entry_path = files.Next(); + size_t count = 0; + while (!unzipped_entry_path.value().empty()) { + EXPECT_EQ(zip_contents_.count(unzipped_entry_path), 1U) + << "Couldn't find " << unzipped_entry_path.value(); + count++; + + if (base::PathExists(unzipped_entry_path) && + !base::DirectoryExists(unzipped_entry_path)) { + // It's a file, check its contents are what we zipped. + // TODO(774156): figure out why the commented out EXPECT_TRUE below + // fails on the build bots (but not on the try-bots). + base::FilePath relative_path; + bool append_relative_path_success = + test_dir_.AppendRelativePath(unzipped_entry_path, &relative_path); + if (!append_relative_path_success) { + LOG(ERROR) << "Append relative path failed, params: " + << test_dir_.value() << " and " + << unzipped_entry_path.value(); + } + base::FilePath original_path = original_dir.Append(relative_path); + LOG(ERROR) << "Comparing original " << original_path.value() + << " and unzipped file " << unzipped_entry_path.value() + << " result: " + << base::ContentsEqual(original_path, unzipped_entry_path); + // EXPECT_TRUE(base::ContentsEqual(original_path, unzipped_entry_path)) + // << "Contents differ between original " << original_path.value() + // << " and unzipped file " << unzipped_entry_path.value(); + } + unzipped_entry_path = files.Next(); + } + + size_t expected_count = 0; + for (std::set::iterator iter = zip_contents_.begin(); + iter != zip_contents_.end(); ++iter) { + if (expect_hidden_files || iter->BaseName().value()[0] != '.') + ++expected_count; + } + + EXPECT_EQ(expected_count, count); + } + + // This function does the following: + // 1) Creates a test.txt file with the given last modification timestamp + // 2) Zips test.txt and extracts it back into a different location. + // 3) Confirms that test.txt in the output directory has the specified + // last modification timestamp if it is valid (|valid_year| is true). + // If the timestamp is not supported by the zip format, the last + // modification defaults to the current time. + void TestTimeStamp(const char* date_time, ValidYearType valid_year) { + SCOPED_TRACE(std::string("TestTimeStamp(") + date_time + ")"); + base::ScopedTempDir temp_dir; + ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); + + base::FilePath zip_file = temp_dir.GetPath().AppendASCII("out.zip"); + base::FilePath src_dir = temp_dir.GetPath().AppendASCII("input"); + base::FilePath out_dir = temp_dir.GetPath().AppendASCII("output"); + + base::FilePath src_file = src_dir.AppendASCII("test.txt"); + base::FilePath out_file = out_dir.AppendASCII("test.txt"); + + EXPECT_TRUE(base::CreateDirectory(src_dir)); + EXPECT_TRUE(base::CreateDirectory(out_dir)); + + base::Time test_mtime; + ASSERT_TRUE(base::Time::FromString(date_time, &test_mtime)); + + // Adjusting the current timestamp to the resolution that the zip file + // supports, which is 2 seconds. Note that between this call to Time::Now() + // and zip::Zip() the clock can advance a bit, hence the use of EXPECT_GE. + base::Time::Exploded now_parts; + base::Time::Now().LocalExplode(&now_parts); + now_parts.second = now_parts.second & ~1; + now_parts.millisecond = 0; + base::Time now_time; + EXPECT_TRUE(base::Time::FromLocalExploded(now_parts, &now_time)); + + EXPECT_EQ(1, base::WriteFile(src_file, "1", 1)); + EXPECT_TRUE(base::TouchFile(src_file, base::Time::Now(), test_mtime)); + + EXPECT_TRUE(zip::Zip(src_dir, zip_file, true)); + ASSERT_TRUE(zip::Unzip(zip_file, out_dir)); + + base::File::Info file_info; + EXPECT_TRUE(base::GetFileInfo(out_file, &file_info)); + EXPECT_EQ(file_info.size, 1); + + if (valid_year == VALID_YEAR) { + EXPECT_EQ(file_info.last_modified, test_mtime); + } else { + // Invalid date means the modification time will default to 'now'. + EXPECT_GE(file_info.last_modified, now_time); + } + } + + // The path to temporary directory used to contain the test operations. + base::FilePath test_dir_; + + base::ScopedTempDir temp_dir_; + + // Hard-coded contents of a known zip file. + std::set zip_contents_; + + // Hard-coded list of relative paths for a zip file created with ZipFiles. + std::vector zip_file_list_; +}; + +TEST_F(ZipTest, Unzip) { + TestUnzipFile(FILE_PATH_LITERAL("test.zip"), true); +} + +TEST_F(ZipTest, UnzipUncompressed) { + TestUnzipFile(FILE_PATH_LITERAL("test_nocompress.zip"), true); +} + +TEST_F(ZipTest, UnzipEvil) { + base::FilePath path; + ASSERT_TRUE(GetTestDataDirectory(&path)); + path = path.AppendASCII("evil.zip"); + // Unzip the zip file into a sub directory of test_dir_ so evil.zip + // won't create a persistent file outside test_dir_ in case of a + // failure. + base::FilePath output_dir = test_dir_.AppendASCII("out"); + ASSERT_FALSE(zip::Unzip(path, output_dir)); + base::FilePath evil_file = output_dir; + evil_file = evil_file.AppendASCII( + "../levilevilevilevilevilevilevilevilevilevilevilevil"); + ASSERT_FALSE(base::PathExists(evil_file)); +} + +TEST_F(ZipTest, UnzipEvil2) { + base::FilePath path; + ASSERT_TRUE(GetTestDataDirectory(&path)); + // The zip file contains an evil file with invalid UTF-8 in its file + // name. + path = path.AppendASCII("evil_via_invalid_utf8.zip"); + // See the comment at UnzipEvil() for why we do this. + base::FilePath output_dir = test_dir_.AppendASCII("out"); + // This should fail as it contains an evil file. + ASSERT_FALSE(zip::Unzip(path, output_dir)); + base::FilePath evil_file = output_dir; + evil_file = evil_file.AppendASCII("../evil.txt"); + ASSERT_FALSE(base::PathExists(evil_file)); +} + +TEST_F(ZipTest, UnzipWithFilter) { + auto filter = base::BindRepeating([](const base::FilePath& path) { + return path.BaseName().MaybeAsASCII() == "foo.txt"; + }); + base::FilePath path; + ASSERT_TRUE(GetTestDataDirectory(&path)); + ASSERT_TRUE(zip::UnzipWithFilterCallback(path.AppendASCII("test.zip"), + test_dir_, filter, false)); + // Only foo.txt should have been extracted. The following paths should not + // be extracted: + // foo/ + // foo/bar.txt + // foo/bar/ + // foo/bar/.hidden + // foo/bar/baz.txt + // foo/bar/quux.txt + ASSERT_TRUE(base::PathExists(test_dir_.AppendASCII("foo.txt"))); + base::FileEnumerator extractedFiles( + test_dir_, + false, // Do not enumerate recursively - the file must be in the root. + base::FileEnumerator::FileType::FILES); + int extracted_count = 0; + while (!extractedFiles.Next().empty()) + ++extracted_count; + ASSERT_EQ(1, extracted_count); + + base::FileEnumerator extractedDirs( + test_dir_, + false, // Do not enumerate recursively - we require zero directories. + base::FileEnumerator::FileType::DIRECTORIES); + extracted_count = 0; + while (!extractedDirs.Next().empty()) + ++extracted_count; + ASSERT_EQ(0, extracted_count); +} + +TEST_F(ZipTest, UnzipWithDelegates) { + auto filter = + base::BindRepeating([](const base::FilePath& path) { return true; }); + auto dir_creator = base::BindRepeating( + [](const base::FilePath& extract_dir, const base::FilePath& entry_path) { + return base::CreateDirectory(extract_dir.Append(entry_path)); + }, + test_dir_); + auto writer = base::BindRepeating( + [](const base::FilePath& extract_dir, const base::FilePath& entry_path) + -> std::unique_ptr { + return std::make_unique( + extract_dir.Append(entry_path)); + }, + test_dir_); + base::FilePath path; + ASSERT_TRUE(GetTestDataDirectory(&path)); + base::File file(path.AppendASCII("test.zip"), + base::File::Flags::FLAG_OPEN | base::File::Flags::FLAG_READ); + ASSERT_TRUE(zip::UnzipWithFilterAndWriters(file.GetPlatformFile(), writer, + dir_creator, filter, false)); + base::FilePath dir = test_dir_; + base::FilePath dir_foo = dir.AppendASCII("foo"); + base::FilePath dir_foo_bar = dir_foo.AppendASCII("bar"); + ASSERT_TRUE(base::PathExists(dir.AppendASCII("foo.txt"))); + ASSERT_TRUE(base::PathExists(dir_foo)); + ASSERT_TRUE(base::PathExists(dir_foo.AppendASCII("bar.txt"))); + ASSERT_TRUE(base::PathExists(dir_foo_bar)); + ASSERT_TRUE(base::PathExists(dir_foo_bar.AppendASCII(".hidden"))); + ASSERT_TRUE(base::PathExists(dir_foo_bar.AppendASCII("baz.txt"))); + ASSERT_TRUE(base::PathExists(dir_foo_bar.AppendASCII("quux.txt"))); +} + +TEST_F(ZipTest, Zip) { + base::FilePath src_dir; + ASSERT_TRUE(GetTestDataDirectory(&src_dir)); + src_dir = src_dir.AppendASCII("test"); + + base::ScopedTempDir temp_dir; + ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); + base::FilePath zip_file = temp_dir.GetPath().AppendASCII("out.zip"); + + EXPECT_TRUE(zip::Zip(src_dir, zip_file, /*include_hidden_files=*/true)); + TestUnzipFile(zip_file, true); +} + +TEST_F(ZipTest, ZipIgnoreHidden) { + base::FilePath src_dir; + ASSERT_TRUE(GetTestDataDirectory(&src_dir)); + src_dir = src_dir.AppendASCII("test"); + + base::ScopedTempDir temp_dir; + ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); + base::FilePath zip_file = temp_dir.GetPath().AppendASCII("out.zip"); + + EXPECT_TRUE(zip::Zip(src_dir, zip_file, /*include_hidden_files=*/false)); + TestUnzipFile(zip_file, false); +} + +TEST_F(ZipTest, ZipNonASCIIDir) { + base::FilePath src_dir; + ASSERT_TRUE(GetTestDataDirectory(&src_dir)); + src_dir = src_dir.AppendASCII("test"); + + base::ScopedTempDir temp_dir; + ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); + // Append 'Тест' (in cyrillic). + base::FilePath src_dir_russian = temp_dir.GetPath().Append( + base::FilePath::FromUTF8Unsafe("\xD0\xA2\xD0\xB5\xD1\x81\xD1\x82")); + base::CopyDirectory(src_dir, src_dir_russian, true); + base::FilePath zip_file = temp_dir.GetPath().AppendASCII("out_russian.zip"); + + EXPECT_TRUE(zip::Zip(src_dir_russian, zip_file, true)); + TestUnzipFile(zip_file, true); +} + +TEST_F(ZipTest, ZipTimeStamp) { + // The dates tested are arbitrary, with some constraints. The zip format can + // only store years from 1980 to 2107 and an even number of seconds, due to it + // using the ms dos date format. + + // Valid arbitrary date. + TestTimeStamp("23 Oct 1997 23:22:20", VALID_YEAR); + + // Date before 1980, zip format limitation, must default to unix epoch. + TestTimeStamp("29 Dec 1979 21:00:10", INVALID_YEAR); + + // Despite the minizip headers telling the maximum year should be 2044, it + // can actually go up to 2107. Beyond that, the dos date format cannot store + // the year (2107-1980=127). To test that limit, the input file needs to be + // touched, but the code that modifies the file access and modification times + // relies on time_t which is defined as long, therefore being in many + // platforms just a 4-byte integer, like 32-bit Mac OSX or linux. As such, it + // suffers from the year-2038 bug. Therefore 2038 is the highest we can test + // in all platforms reliably. + TestTimeStamp("02 Jan 2038 23:59:58", VALID_YEAR); +} + +#if defined(OS_POSIX) +TEST_F(ZipTest, ZipFiles) { + base::FilePath src_dir; + ASSERT_TRUE(GetTestDataDirectory(&src_dir)); + src_dir = src_dir.AppendASCII("test"); + + base::ScopedTempDir temp_dir; + ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); + base::FilePath zip_name = temp_dir.GetPath().AppendASCII("out.zip"); + + base::File zip_file(zip_name, + base::File::FLAG_CREATE | base::File::FLAG_WRITE); + ASSERT_TRUE(zip_file.IsValid()); + EXPECT_TRUE(zip::ZipFiles(src_dir, zip_file_list_, + zip_file.GetPlatformFile())); + zip_file.Close(); + + zip::ZipReader reader; + EXPECT_TRUE(reader.Open(zip_name)); + EXPECT_EQ(zip_file_list_.size(), static_cast(reader.num_entries())); + for (size_t i = 0; i < zip_file_list_.size(); ++i) { + EXPECT_TRUE(reader.HasMore()); + EXPECT_TRUE(reader.OpenCurrentEntryInZip()); + const zip::ZipReader::EntryInfo* entry_info = reader.current_entry_info(); + EXPECT_EQ(entry_info->file_path(), zip_file_list_[i]); + reader.AdvanceToNextEntry(); + } +} +#endif // defined(OS_POSIX) + +TEST_F(ZipTest, UnzipFilesWithIncorrectSize) { + base::FilePath test_data_folder; + ASSERT_TRUE(GetTestDataDirectory(&test_data_folder)); + + // test_mismatch_size.zip contains files with names from 0.txt to 7.txt with + // sizes from 0 to 7 bytes respectively, but the metadata in the zip file says + // the uncompressed size is 3 bytes. The ZipReader and minizip code needs to + // be clever enough to get all the data out. + base::FilePath test_zip_file = + test_data_folder.AppendASCII("test_mismatch_size.zip"); + + base::ScopedTempDir scoped_temp_dir; + ASSERT_TRUE(scoped_temp_dir.CreateUniqueTempDir()); + const base::FilePath& temp_dir = scoped_temp_dir.GetPath(); + + ASSERT_TRUE(zip::Unzip(test_zip_file, temp_dir)); + EXPECT_TRUE(base::DirectoryExists(temp_dir.AppendASCII("d"))); + + for (int i = 0; i < 8; i++) { + SCOPED_TRACE(base::StringPrintf("Processing %d.txt", i)); + base::FilePath file_path = temp_dir.AppendASCII( + base::StringPrintf("%d.txt", i)); + int64_t file_size = -1; + EXPECT_TRUE(base::GetFileSize(file_path, &file_size)); + EXPECT_EQ(static_cast(i), file_size); + } +} + +TEST_F(ZipTest, ZipWithFileAccessor) { + base::FilePath zip_file; + ASSERT_TRUE(base::CreateTemporaryFile(&zip_file)); + zip::ZipParams params(base::FilePath(FILE_PATH_LITERAL("/test")), zip_file); + params.set_file_accessor(std::make_unique()); + ASSERT_TRUE(zip::Zip(params)); + + base::ScopedTempDir scoped_temp_dir; + ASSERT_TRUE(scoped_temp_dir.CreateUniqueTempDir()); + const base::FilePath& temp_dir = scoped_temp_dir.GetPath(); + ASSERT_TRUE(zip::Unzip(zip_file, temp_dir)); + base::FilePath bar_dir = temp_dir.Append(FILE_PATH_LITERAL("bar")); + EXPECT_TRUE(base::DirectoryExists(bar_dir)); + std::string file_content; + EXPECT_TRUE(base::ReadFileToString( + temp_dir.Append(FILE_PATH_LITERAL("foo.txt")), &file_content)); + EXPECT_EQ(VirtualFileSystem::kFooContent, file_content); + EXPECT_TRUE(base::ReadFileToString( + bar_dir.Append(FILE_PATH_LITERAL("bar1.txt")), &file_content)); + EXPECT_EQ(VirtualFileSystem::kBar1Content, file_content); + EXPECT_TRUE(base::ReadFileToString( + bar_dir.Append(FILE_PATH_LITERAL("bar2.txt")), &file_content)); + EXPECT_EQ(VirtualFileSystem::kBar2Content, file_content); +} + +} // namespace diff --git a/deps/zlib/google/zip_writer.cc b/deps/zlib/google/zip_writer.cc new file mode 100644 index 00000000000000..1f2f073b30cb32 --- /dev/null +++ b/deps/zlib/google/zip_writer.cc @@ -0,0 +1,203 @@ +// Copyright 2017 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "third_party/zlib/google/zip_writer.h" + +#include "base/files/file.h" +#include "base/strings/string_util.h" +#include "third_party/zlib/google/zip_internal.h" + +namespace zip { +namespace internal { + +namespace { + +// Numbers of pending entries that trigger writting them to the ZIP file. +constexpr size_t kMaxPendingEntriesCount = 50; + +bool AddFileContentToZip(zipFile zip_file, + base::File file, + const base::FilePath& file_path) { + int num_bytes; + char buf[zip::internal::kZipBufSize]; + do { + num_bytes = file.ReadAtCurrentPos(buf, zip::internal::kZipBufSize); + + if (num_bytes > 0) { + if (zipWriteInFileInZip(zip_file, buf, num_bytes) != ZIP_OK) { + DLOG(ERROR) << "Could not write data to zip for path " + << file_path.value(); + return false; + } + } + } while (num_bytes > 0); + + return true; +} + +bool OpenNewFileEntry(zipFile zip_file, + const base::FilePath& path, + bool is_directory, + base::Time last_modified) { + std::string str_path = path.AsUTF8Unsafe(); +#if defined(OS_WIN) + base::ReplaceSubstringsAfterOffset(&str_path, 0u, "\\", "/"); +#endif + if (is_directory) + str_path += "/"; + + return zip::internal::ZipOpenNewFileInZip(zip_file, str_path, last_modified); +} + +bool CloseNewFileEntry(zipFile zip_file) { + return zipCloseFileInZip(zip_file) == ZIP_OK; +} + +bool AddFileEntryToZip(zipFile zip_file, + const base::FilePath& path, + base::File file) { + base::File::Info file_info; + if (!file.GetInfo(&file_info)) + return false; + + if (!OpenNewFileEntry(zip_file, path, /*is_directory=*/false, + file_info.last_modified)) + return false; + + bool success = AddFileContentToZip(zip_file, std::move(file), path); + if (!CloseNewFileEntry(zip_file)) + return false; + + return success; +} + +bool AddDirectoryEntryToZip(zipFile zip_file, + const base::FilePath& path, + base::Time last_modified) { + return OpenNewFileEntry(zip_file, path, /*is_directory=*/true, + last_modified) && + CloseNewFileEntry(zip_file); +} + +} // namespace + +#if defined(OS_POSIX) +// static +std::unique_ptr ZipWriter::CreateWithFd( + int zip_file_fd, + const base::FilePath& root_dir, + FileAccessor* file_accessor) { + DCHECK(zip_file_fd != base::kInvalidPlatformFile); + zipFile zip_file = + internal::OpenFdForZipping(zip_file_fd, APPEND_STATUS_CREATE); + if (!zip_file) { + DLOG(ERROR) << "Couldn't create ZIP file for FD " << zip_file_fd; + return nullptr; + } + return std::unique_ptr( + new ZipWriter(zip_file, root_dir, file_accessor)); +} +#endif + +// static +std::unique_ptr ZipWriter::Create( + const base::FilePath& zip_file_path, + const base::FilePath& root_dir, + FileAccessor* file_accessor) { + DCHECK(!zip_file_path.empty()); + zipFile zip_file = internal::OpenForZipping(zip_file_path.AsUTF8Unsafe(), + APPEND_STATUS_CREATE); + if (!zip_file) { + DLOG(ERROR) << "Couldn't create ZIP file at path " << zip_file_path; + return nullptr; + } + return std::unique_ptr( + new ZipWriter(zip_file, root_dir, file_accessor)); +} + +ZipWriter::ZipWriter(zipFile zip_file, + const base::FilePath& root_dir, + FileAccessor* file_accessor) + : zip_file_(zip_file), root_dir_(root_dir), file_accessor_(file_accessor) {} + +ZipWriter::~ZipWriter() { + DCHECK(pending_entries_.empty()); +} + +bool ZipWriter::WriteEntries(const std::vector& paths) { + return AddEntries(paths) && Close(); +} + +bool ZipWriter::AddEntries(const std::vector& paths) { + DCHECK(zip_file_); + pending_entries_.insert(pending_entries_.end(), paths.begin(), paths.end()); + return FlushEntriesIfNeeded(/*force=*/false); +} + +bool ZipWriter::Close() { + bool success = FlushEntriesIfNeeded(/*force=*/true) && + zipClose(zip_file_, nullptr) == ZIP_OK; + zip_file_ = nullptr; + return success; +} + +bool ZipWriter::FlushEntriesIfNeeded(bool force) { + if (pending_entries_.size() < kMaxPendingEntriesCount && !force) + return true; + + while (pending_entries_.size() >= kMaxPendingEntriesCount || + (force && !pending_entries_.empty())) { + size_t entry_count = + std::min(pending_entries_.size(), kMaxPendingEntriesCount); + std::vector relative_paths; + std::vector absolute_paths; + relative_paths.insert(relative_paths.begin(), pending_entries_.begin(), + pending_entries_.begin() + entry_count); + for (auto iter = pending_entries_.begin(); + iter != pending_entries_.begin() + entry_count; ++iter) { + // The FileAccessor requires absolute paths. + absolute_paths.push_back(root_dir_.Append(*iter)); + } + pending_entries_.erase(pending_entries_.begin(), + pending_entries_.begin() + entry_count); + + // We don't know which paths are files and which ones are directories, and + // we want to avoid making a call to file_accessor_ for each entry. Open the + // files instead, invalid files are returned for directories. + std::vector files = + file_accessor_->OpenFilesForReading(absolute_paths); + DCHECK_EQ(files.size(), relative_paths.size()); + for (size_t i = 0; i < files.size(); i++) { + const base::FilePath& relative_path = relative_paths[i]; + const base::FilePath& absolute_path = absolute_paths[i]; + base::File file = std::move(files[i]); + if (file.IsValid()) { + if (!AddFileEntryToZip(zip_file_, relative_path, std::move(file))) { + LOG(ERROR) << "Failed to write file " << relative_path.value() + << " to ZIP file."; + return false; + } + } else { + // Missing file or directory case. + base::Time last_modified = + file_accessor_->GetLastModifiedTime(absolute_path); + if (last_modified.is_null()) { + LOG(ERROR) << "Failed to write entry " << relative_path.value() + << " to ZIP file."; + return false; + } + DCHECK(file_accessor_->DirectoryExists(absolute_path)); + if (!AddDirectoryEntryToZip(zip_file_, relative_path, last_modified)) { + LOG(ERROR) << "Failed to write directory " << relative_path.value() + << " to ZIP file."; + return false; + } + } + } + } + return true; +} + +} // namespace internal +} // namespace zip diff --git a/deps/zlib/google/zip_writer.h b/deps/zlib/google/zip_writer.h new file mode 100644 index 00000000000000..bd2a727b94d408 --- /dev/null +++ b/deps/zlib/google/zip_writer.h @@ -0,0 +1,91 @@ +// Copyright 2017 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef THIRD_PARTY_ZLIB_GOOGLE_ZIP_WRITER_H_ +#define THIRD_PARTY_ZLIB_GOOGLE_ZIP_WRITER_H_ + +#include +#include + +#include "base/files/file_path.h" +#include "build/build_config.h" +#include "third_party/zlib/google/zip.h" + +#if defined(USE_SYSTEM_MINIZIP) +#include +#include +#else +#include "third_party/zlib/contrib/minizip/unzip.h" +#include "third_party/zlib/contrib/minizip/zip.h" +#endif + +namespace zip { +namespace internal { + +// A class used to write entries to a ZIP file and buffering the reading of +// files to limit the number of calls to the FileAccessor. This is for +// performance reasons as these calls may be expensive when IPC based). +// This class is so far internal and only used by zip.cc, but could be made +// public if needed. +class ZipWriter { + public: +// Creates a writer that will write a ZIP file to |zip_file_fd|/|zip_file| +// and which entries (specifies with AddEntries) are relative to |root_dir|. +// All file reads are performed using |file_accessor|. +#if defined(OS_POSIX) + static std::unique_ptr CreateWithFd(int zip_file_fd, + const base::FilePath& root_dir, + FileAccessor* file_accessor); +#endif + static std::unique_ptr Create(const base::FilePath& zip_file, + const base::FilePath& root_dir, + FileAccessor* file_accessor); + ~ZipWriter(); + + // Writes the files at |paths| to the ZIP file and closes this Zip file. + // Note that the the FilePaths must be relative to |root_dir| specified in the + // Create method. + // Returns true if all entries were written successfuly. + bool WriteEntries(const std::vector& paths); + + private: + ZipWriter(zipFile zip_file, + const base::FilePath& root_dir, + FileAccessor* file_accessor); + + // Writes the pending entries to the ZIP file if there are at least + // |kMaxPendingEntriesCount| of them. If |force| is true, all pending entries + // are written regardless of how many there are. + // Returns false if writing an entry fails, true if no entry was written or + // there was no error writing entries. + bool FlushEntriesIfNeeded(bool force); + + // Adds the files at |paths| to the ZIP file. These FilePaths must be relative + // to |root_dir| specified in the Create method. + bool AddEntries(const std::vector& paths); + + // Closes the ZIP file. + // Returns true if successful, false otherwise (typically if an entry failed + // to be written). + bool Close(); + + // The entries that have been added but not yet written to the ZIP file. + std::vector pending_entries_; + + // The actual zip file. + zipFile zip_file_; + + // Path to the directory entry paths are relative to. + base::FilePath root_dir_; + + // Abstraction over file access methods used to read files. + FileAccessor* file_accessor_; + + DISALLOW_COPY_AND_ASSIGN(ZipWriter); +}; + +} // namespace internal +} // namespace zip + +#endif // THIRD_PARTY_ZLIB_GOOGLE_ZIP_WRITER_H_ \ No newline at end of file diff --git a/deps/zlib/gzread.c b/deps/zlib/gzread.c index 956b91ea7d9e2a..832d3ef98c5948 100644 --- a/deps/zlib/gzread.c +++ b/deps/zlib/gzread.c @@ -443,7 +443,11 @@ z_size_t ZEXPORT gzfread(buf, size, nitems, file) # undef z_gzgetc #else # undef gzgetc +# ifdef Z_CR_PREFIX_SET +# define gzgetc Cr_z_gzgetc +# endif #endif + int ZEXPORT gzgetc(file) gzFile file; { diff --git a/deps/zlib/infback.c b/deps/zlib/infback.c index 59679ecbfc5d77..aab14b4848effa 100644 --- a/deps/zlib/infback.c +++ b/deps/zlib/infback.c @@ -480,7 +480,8 @@ void FAR *out_desc; case LEN: /* use inflate_fast() if we have enough input and output */ - if (have >= 6 && left >= 258) { + if (have >= INFLATE_FAST_MIN_INPUT && + left >= INFLATE_FAST_MIN_OUTPUT) { RESTORE(); if (state->whave < state->wsize) state->whave = state->wsize - left; diff --git a/deps/zlib/inffast.c b/deps/zlib/inffast.c index 0dbd1dbc09f2f6..2797e8a03c5151 100644 --- a/deps/zlib/inffast.c +++ b/deps/zlib/inffast.c @@ -18,13 +18,13 @@ available, an end-of-block is encountered, or a data error is encountered. When large enough input and output buffers are supplied to inflate(), for example, a 16K input buffer and a 64K output buffer, more than 95% of the - inflate execution time is spent in this routine. + inflate() execution time is spent in this routine. Entry assumptions: state->mode == LEN - strm->avail_in >= 6 - strm->avail_out >= 258 + strm->avail_in >= INFLATE_FAST_MIN_INPUT (6 bytes) + strm->avail_out >= INFLATE_FAST_MIN_OUTPUT (258 bytes) start >= strm->avail_out state->bits < 8 @@ -36,16 +36,20 @@ Notes: + INFLATE_FAST_MIN_INPUT: 6 bytes + - The maximum input bits used by a length/distance pair is 15 bits for the length code, 5 bits for the length extra, 15 bits for the distance code, and 13 bits for the distance extra. This totals 48 bits, or six bytes. Therefore if strm->avail_in >= 6, then there is enough input to avoid checking for available input while decoding. + INFLATE_FAST_MIN_OUTPUT: 258 bytes + - The maximum bytes that a single length/distance pair can output is 258 bytes, which is the maximum length that can be coded. inflate_fast() requires strm->avail_out >= 258 for each loop to avoid checking for - output space. + available output space while decoding. */ void ZLIB_INTERNAL inflate_fast(strm, start) z_streamp strm; @@ -80,10 +84,10 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */ /* copy state to local variables */ state = (struct inflate_state FAR *)strm->state; in = strm->next_in; - last = in + (strm->avail_in - 5); + last = in + (strm->avail_in - (INFLATE_FAST_MIN_INPUT - 1)); out = strm->next_out; beg = out - (start - strm->avail_out); - end = out + (strm->avail_out - 257); + end = out + (strm->avail_out - (INFLATE_FAST_MIN_OUTPUT - 1)); #ifdef INFLATE_STRICT dmax = state->dmax; #endif @@ -298,9 +302,12 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */ /* update state and return */ strm->next_in = in; strm->next_out = out; - strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last)); + strm->avail_in = (unsigned)(in < last ? + (INFLATE_FAST_MIN_INPUT - 1) + (last - in) : + (INFLATE_FAST_MIN_INPUT - 1) - (in - last)); strm->avail_out = (unsigned)(out < end ? - 257 + (end - out) : 257 - (out - end)); + (INFLATE_FAST_MIN_OUTPUT - 1) + (end - out) : + (INFLATE_FAST_MIN_OUTPUT - 1) - (out - end)); state->hold = hold; state->bits = bits; return; diff --git a/deps/zlib/inffast.h b/deps/zlib/inffast.h index e5c1aa4ca8cd52..c7c1c09808e5e9 100644 --- a/deps/zlib/inffast.h +++ b/deps/zlib/inffast.h @@ -8,4 +8,19 @@ subject to change. Applications should only use zlib.h. */ +/* INFLATE_FAST_MIN_INPUT: the minimum number of input bytes needed so that + we can safely call inflate_fast() with only one up-front bounds check. One + length/distance code pair (15 bits for the length code, 5 bits for length + extra, 15 bits for the distance code, 13 bits for distance extra) requires + reading up to 48 input bits (6 bytes). +*/ +#define INFLATE_FAST_MIN_INPUT 6 + +/* INFLATE_FAST_MIN_OUTPUT: the minimum number of output bytes needed so that + we can safely call inflate_fast() with only one up-front bounds check. One + length/distance code pair can output up to 258 bytes, which is the maximum + length that can be coded. + */ +#define INFLATE_FAST_MIN_OUTPUT 258 + void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start)); diff --git a/deps/zlib/inflate.c b/deps/zlib/inflate.c index ac333e8c2edae9..68902e81bd4be9 100644 --- a/deps/zlib/inflate.c +++ b/deps/zlib/inflate.c @@ -228,6 +228,7 @@ int stream_size; state->strm = strm; state->window = Z_NULL; state->mode = HEAD; /* to pass state test in inflateReset2() */ + state->check = 1L; /* 1L is the result of adler32() zero length data */ ret = inflateReset2(strm, windowBits); if (ret != Z_OK) { ZFREE(strm, state); @@ -1042,7 +1043,8 @@ int flush; case LEN_: state->mode = LEN; case LEN: - if (have >= 6 && left >= 258) { + if (have >= INFLATE_FAST_MIN_INPUT && + left >= INFLATE_FAST_MIN_OUTPUT) { RESTORE(); inflate_fast(strm, out); LOAD(); diff --git a/deps/zlib/make_vms.com b/deps/zlib/make_vms.com deleted file mode 100644 index 65e9d0cbc8e1dd..00000000000000 --- a/deps/zlib/make_vms.com +++ /dev/null @@ -1,867 +0,0 @@ -$! make libz under VMS written by -$! Martin P.J. Zinser -$! -$! In case of problems with the install you might contact me at -$! zinser@zinser.no-ip.info(preferred) or -$! martin.zinser@eurexchange.com (work) -$! -$! Make procedure history for Zlib -$! -$!------------------------------------------------------------------------------ -$! Version history -$! 0.01 20060120 First version to receive a number -$! 0.02 20061008 Adapt to new Makefile.in -$! 0.03 20091224 Add support for large file check -$! 0.04 20100110 Add new gzclose, gzlib, gzread, gzwrite -$! 0.05 20100221 Exchange zlibdefs.h by zconf.h.in -$! 0.06 20120111 Fix missing amiss_err, update zconf_h.in, fix new exmples -$! subdir path, update module search in makefile.in -$! 0.07 20120115 Triggered by work done by Alexey Chupahin completly redesigned -$! shared image creation -$! 0.08 20120219 Make it work on VAX again, pre-load missing symbols to shared -$! image -$! 0.09 20120305 SMS. P1 sets builder ("MMK", "MMS", " " (built-in)). -$! "" -> automatic, preference: MMK, MMS, built-in. -$! -$ on error then goto err_exit -$! -$ true = 1 -$ false = 0 -$ tmpnam = "temp_" + f$getjpi("","pid") -$ tt = tmpnam + ".txt" -$ tc = tmpnam + ".c" -$ th = tmpnam + ".h" -$ define/nolog tconfig 'th' -$ its_decc = false -$ its_vaxc = false -$ its_gnuc = false -$ s_case = False -$! -$! Setup variables holding "config" information -$! -$ Make = "''p1'" -$ name = "Zlib" -$ version = "?.?.?" -$ v_string = "ZLIB_VERSION" -$ v_file = "zlib.h" -$ ccopt = "/include = []" -$ lopts = "" -$ dnsrl = "" -$ aconf_in_file = "zconf.h.in#zconf.h_in#zconf_h.in" -$ conf_check_string = "" -$ linkonly = false -$ optfile = name + ".opt" -$ mapfile = name + ".map" -$ libdefs = "" -$ vax = f$getsyi("HW_MODEL").lt.1024 -$ axp = f$getsyi("HW_MODEL").ge.1024 .and. f$getsyi("HW_MODEL").lt.4096 -$ ia64 = f$getsyi("HW_MODEL").ge.4096 -$! -$! 2012-03-05 SMS. -$! Why is this needed? And if it is needed, why not simply ".not. vax"? -$! -$!!! if axp .or. ia64 then set proc/parse=extended -$! -$ whoami = f$parse(f$environment("Procedure"),,,,"NO_CONCEAL") -$ mydef = F$parse(whoami,,,"DEVICE") -$ mydir = f$parse(whoami,,,"DIRECTORY") - "][" -$ myproc = f$parse(whoami,,,"Name") + f$parse(whoami,,,"type") -$! -$! Check for MMK/MMS -$! -$ if (Make .eqs. "") -$ then -$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS" -$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK" -$ else -$ Make = f$edit( Make, "trim") -$ endif -$! -$ gosub find_version -$! -$ open/write topt tmp.opt -$ open/write optf 'optfile' -$! -$ gosub check_opts -$! -$! Look for the compiler used -$! -$ gosub check_compiler -$ close topt -$ close optf -$! -$ if its_decc -$ then -$ ccopt = "/prefix=all" + ccopt -$ if f$trnlnm("SYS") .eqs. "" -$ then -$ if axp -$ then -$ define sys sys$library: -$ else -$ ccopt = "/decc" + ccopt -$ define sys decc$library_include: -$ endif -$ endif -$! -$! 2012-03-05 SMS. -$! Why /NAMES = AS_IS? Why not simply ".not. vax"? And why not on VAX? -$! -$ if axp .or. ia64 -$ then -$ ccopt = ccopt + "/name=as_is/opt=(inline=speed)" -$ s_case = true -$ endif -$ endif -$ if its_vaxc .or. its_gnuc -$ then -$ if f$trnlnm("SYS").eqs."" then define sys sys$library: -$ endif -$! -$! Build a fake configure input header -$! -$ open/write conf_hin config.hin -$ write conf_hin "#undef _LARGEFILE64_SOURCE" -$ close conf_hin -$! -$! -$ i = 0 -$FIND_ACONF: -$ fname = f$element(i,"#",aconf_in_file) -$ if fname .eqs. "#" then goto AMISS_ERR -$ if f$search(fname) .eqs. "" -$ then -$ i = i + 1 -$ goto find_aconf -$ endif -$ open/read/err=aconf_err aconf_in 'fname' -$ open/write aconf zconf.h -$ACONF_LOOP: -$ read/end_of_file=aconf_exit aconf_in line -$ work = f$edit(line, "compress,trim") -$ if f$extract(0,6,work) .nes. "#undef" -$ then -$ if f$extract(0,12,work) .nes. "#cmakedefine" -$ then -$ write aconf line -$ endif -$ else -$ cdef = f$element(1," ",work) -$ gosub check_config -$ endif -$ goto aconf_loop -$ACONF_EXIT: -$ write aconf "" -$ write aconf "/* VMS specifics added by make_vms.com: */" -$ write aconf "#define VMS 1" -$ write aconf "#include " -$ write aconf "#include " -$ write aconf "#ifdef _LARGEFILE" -$ write aconf "# define off64_t __off64_t" -$ write aconf "# define fopen64 fopen" -$ write aconf "# define fseeko64 fseeko" -$ write aconf "# define lseek64 lseek" -$ write aconf "# define ftello64 ftell" -$ write aconf "#endif" -$ write aconf "#if !defined( __VAX) && (__CRTL_VER >= 70312000)" -$ write aconf "# define HAVE_VSNPRINTF" -$ write aconf "#endif" -$ close aconf_in -$ close aconf -$ if f$search("''th'") .nes. "" then delete 'th';* -$! Build the thing plain or with mms -$! -$ write sys$output "Compiling Zlib sources ..." -$ if make.eqs."" -$ then -$ if (f$search( "example.obj;*") .nes. "") then delete example.obj;* -$ if (f$search( "minigzip.obj;*") .nes. "") then delete minigzip.obj;* -$ CALL MAKE adler32.OBJ "CC ''CCOPT' adler32" - - adler32.c zlib.h zconf.h -$ CALL MAKE compress.OBJ "CC ''CCOPT' compress" - - compress.c zlib.h zconf.h -$ CALL MAKE crc32.OBJ "CC ''CCOPT' crc32" - - crc32.c zlib.h zconf.h -$ CALL MAKE deflate.OBJ "CC ''CCOPT' deflate" - - deflate.c deflate.h zutil.h zlib.h zconf.h -$ CALL MAKE gzclose.OBJ "CC ''CCOPT' gzclose" - - gzclose.c zutil.h zlib.h zconf.h -$ CALL MAKE gzlib.OBJ "CC ''CCOPT' gzlib" - - gzlib.c zutil.h zlib.h zconf.h -$ CALL MAKE gzread.OBJ "CC ''CCOPT' gzread" - - gzread.c zutil.h zlib.h zconf.h -$ CALL MAKE gzwrite.OBJ "CC ''CCOPT' gzwrite" - - gzwrite.c zutil.h zlib.h zconf.h -$ CALL MAKE infback.OBJ "CC ''CCOPT' infback" - - infback.c zutil.h inftrees.h inflate.h inffast.h inffixed.h -$ CALL MAKE inffast.OBJ "CC ''CCOPT' inffast" - - inffast.c zutil.h zlib.h zconf.h inffast.h -$ CALL MAKE inflate.OBJ "CC ''CCOPT' inflate" - - inflate.c zutil.h zlib.h zconf.h infblock.h -$ CALL MAKE inftrees.OBJ "CC ''CCOPT' inftrees" - - inftrees.c zutil.h zlib.h zconf.h inftrees.h -$ CALL MAKE trees.OBJ "CC ''CCOPT' trees" - - trees.c deflate.h zutil.h zlib.h zconf.h -$ CALL MAKE uncompr.OBJ "CC ''CCOPT' uncompr" - - uncompr.c zlib.h zconf.h -$ CALL MAKE zutil.OBJ "CC ''CCOPT' zutil" - - zutil.c zutil.h zlib.h zconf.h -$ write sys$output "Building Zlib ..." -$ CALL MAKE libz.OLB "lib/crea libz.olb *.obj" *.OBJ -$ write sys$output "Building example..." -$ CALL MAKE example.OBJ "CC ''CCOPT' [.test]example" - - [.test]example.c zlib.h zconf.h -$ call make example.exe "LINK example,libz.olb/lib" example.obj libz.olb -$ write sys$output "Building minigzip..." -$ CALL MAKE minigzip.OBJ "CC ''CCOPT' [.test]minigzip" - - [.test]minigzip.c zlib.h zconf.h -$ call make minigzip.exe - - "LINK minigzip,libz.olb/lib" - - minigzip.obj libz.olb -$ else -$ gosub crea_mms -$ write sys$output "Make ''name' ''version' with ''Make' " -$ 'make' -$ endif -$! -$! Create shareable image -$! -$ gosub crea_olist -$ write sys$output "Creating libzshr.exe" -$ call map_2_shopt 'mapfile' 'optfile' -$ LINK_'lopts'/SHARE=libzshr.exe modules.opt/opt,'optfile'/opt -$ write sys$output "Zlib build completed" -$ delete/nolog tmp.opt;* -$ exit -$AMISS_ERR: -$ write sys$output "No source for config.hin found." -$ write sys$output "Tried any of ''aconf_in_file'" -$ goto err_exit -$CC_ERR: -$ write sys$output "C compiler required to build ''name'" -$ goto err_exit -$ERR_EXIT: -$ set message/facil/ident/sever/text -$ close/nolog optf -$ close/nolog topt -$ close/nolog aconf_in -$ close/nolog aconf -$ close/nolog out -$ close/nolog min -$ close/nolog mod -$ close/nolog h_in -$ write sys$output "Exiting..." -$ exit 2 -$! -$! -$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES -$ V = 'F$Verify(0) -$! P1 = What we are trying to make -$! P2 = Command to make it -$! P3 - P8 What it depends on -$ -$ If F$Search(P1) .Eqs. "" Then Goto Makeit -$ Time = F$CvTime(F$File(P1,"RDT")) -$arg=3 -$Loop: -$ Argument = P'arg -$ If Argument .Eqs. "" Then Goto Exit -$ El=0 -$Loop2: -$ File = F$Element(El," ",Argument) -$ If File .Eqs. " " Then Goto Endl -$ AFile = "" -$Loop3: -$ OFile = AFile -$ AFile = F$Search(File) -$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl -$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit -$ Goto Loop3 -$NextEL: -$ El = El + 1 -$ Goto Loop2 -$EndL: -$ arg=arg+1 -$ If arg .Le. 8 Then Goto Loop -$ Goto Exit -$ -$Makeit: -$ VV=F$VERIFY(0) -$ write sys$output P2 -$ 'P2 -$ VV='F$Verify(VV) -$Exit: -$ If V Then Set Verify -$ENDSUBROUTINE -$!------------------------------------------------------------------------------ -$! -$! Check command line options and set symbols accordingly -$! -$!------------------------------------------------------------------------------ -$! Version history -$! 0.01 20041206 First version to receive a number -$! 0.02 20060126 Add new "HELP" target -$ CHECK_OPTS: -$ i = 1 -$ OPT_LOOP: -$ if i .lt. 9 -$ then -$ cparm = f$edit(p'i',"upcase") -$! -$! Check if parameter actually contains something -$! -$ if f$edit(cparm,"trim") .nes. "" -$ then -$ if cparm .eqs. "DEBUG" -$ then -$ ccopt = ccopt + "/noopt/deb" -$ lopts = lopts + "/deb" -$ endif -$ if f$locate("CCOPT=",cparm) .lt. f$length(cparm) -$ then -$ start = f$locate("=",cparm) + 1 -$ len = f$length(cparm) - start -$ ccopt = ccopt + f$extract(start,len,cparm) -$ if f$locate("AS_IS",f$edit(ccopt,"UPCASE")) .lt. f$length(ccopt) - - then s_case = true -$ endif -$ if cparm .eqs. "LINK" then linkonly = true -$ if f$locate("LOPTS=",cparm) .lt. f$length(cparm) -$ then -$ start = f$locate("=",cparm) + 1 -$ len = f$length(cparm) - start -$ lopts = lopts + f$extract(start,len,cparm) -$ endif -$ if f$locate("CC=",cparm) .lt. f$length(cparm) -$ then -$ start = f$locate("=",cparm) + 1 -$ len = f$length(cparm) - start -$ cc_com = f$extract(start,len,cparm) - if (cc_com .nes. "DECC") .and. - - (cc_com .nes. "VAXC") .and. - - (cc_com .nes. "GNUC") -$ then -$ write sys$output "Unsupported compiler choice ''cc_com' ignored" -$ write sys$output "Use DECC, VAXC, or GNUC instead" -$ else -$ if cc_com .eqs. "DECC" then its_decc = true -$ if cc_com .eqs. "VAXC" then its_vaxc = true -$ if cc_com .eqs. "GNUC" then its_gnuc = true -$ endif -$ endif -$ if f$locate("MAKE=",cparm) .lt. f$length(cparm) -$ then -$ start = f$locate("=",cparm) + 1 -$ len = f$length(cparm) - start -$ mmks = f$extract(start,len,cparm) -$ if (mmks .eqs. "MMK") .or. (mmks .eqs. "MMS") -$ then -$ make = mmks -$ else -$ write sys$output "Unsupported make choice ''mmks' ignored" -$ write sys$output "Use MMK or MMS instead" -$ endif -$ endif -$ if cparm .eqs. "HELP" then gosub bhelp -$ endif -$ i = i + 1 -$ goto opt_loop -$ endif -$ return -$!------------------------------------------------------------------------------ -$! -$! Look for the compiler used -$! -$! Version history -$! 0.01 20040223 First version to receive a number -$! 0.02 20040229 Save/set value of decc$no_rooted_search_lists -$! 0.03 20060202 Extend handling of GNU C -$! 0.04 20090402 Compaq -> hp -$CHECK_COMPILER: -$ if (.not. (its_decc .or. its_vaxc .or. its_gnuc)) -$ then -$ its_decc = (f$search("SYS$SYSTEM:DECC$COMPILER.EXE") .nes. "") -$ its_vaxc = .not. its_decc .and. (F$Search("SYS$System:VAXC.Exe") .nes. "") -$ its_gnuc = .not. (its_decc .or. its_vaxc) .and. (f$trnlnm("gnu_cc") .nes. "") -$ endif -$! -$! Exit if no compiler available -$! -$ if (.not. (its_decc .or. its_vaxc .or. its_gnuc)) -$ then goto CC_ERR -$ else -$ if its_decc -$ then -$ write sys$output "CC compiler check ... hp C" -$ if f$trnlnm("decc$no_rooted_search_lists") .nes. "" -$ then -$ dnrsl = f$trnlnm("decc$no_rooted_search_lists") -$ endif -$ define/nolog decc$no_rooted_search_lists 1 -$ else -$ if its_vaxc then write sys$output "CC compiler check ... VAX C" -$ if its_gnuc -$ then -$ write sys$output "CC compiler check ... GNU C" -$ if f$trnlnm(topt) then write topt "gnu_cc:[000000]gcclib.olb/lib" -$ if f$trnlnm(optf) then write optf "gnu_cc:[000000]gcclib.olb/lib" -$ cc = "gcc" -$ endif -$ if f$trnlnm(topt) then write topt "sys$share:vaxcrtl.exe/share" -$ if f$trnlnm(optf) then write optf "sys$share:vaxcrtl.exe/share" -$ endif -$ endif -$ return -$!------------------------------------------------------------------------------ -$! -$! If MMS/MMK are available dump out the descrip.mms if required -$! -$CREA_MMS: -$ write sys$output "Creating descrip.mms..." -$ create descrip.mms -$ open/append out descrip.mms -$ copy sys$input: out -$ deck -# descrip.mms: MMS description file for building zlib on VMS -# written by Martin P.J. Zinser -# - -OBJS = adler32.obj, compress.obj, crc32.obj, gzclose.obj, gzlib.obj\ - gzread.obj, gzwrite.obj, uncompr.obj, infback.obj\ - deflate.obj, trees.obj, zutil.obj, inflate.obj, \ - inftrees.obj, inffast.obj - -$ eod -$ write out "CFLAGS=", ccopt -$ write out "LOPTS=", lopts -$ write out "all : example.exe minigzip.exe libz.olb" -$ copy sys$input: out -$ deck - @ write sys$output " Example applications available" - -libz.olb : libz.olb($(OBJS)) - @ write sys$output " libz available" - -example.exe : example.obj libz.olb - link $(LOPTS) example,libz.olb/lib - -minigzip.exe : minigzip.obj libz.olb - link $(LOPTS) minigzip,libz.olb/lib - -clean : - delete *.obj;*,libz.olb;*,*.opt;*,*.exe;* - - -# Other dependencies. -adler32.obj : adler32.c zutil.h zlib.h zconf.h -compress.obj : compress.c zlib.h zconf.h -crc32.obj : crc32.c zutil.h zlib.h zconf.h -deflate.obj : deflate.c deflate.h zutil.h zlib.h zconf.h -example.obj : [.test]example.c zlib.h zconf.h -gzclose.obj : gzclose.c zutil.h zlib.h zconf.h -gzlib.obj : gzlib.c zutil.h zlib.h zconf.h -gzread.obj : gzread.c zutil.h zlib.h zconf.h -gzwrite.obj : gzwrite.c zutil.h zlib.h zconf.h -inffast.obj : inffast.c zutil.h zlib.h zconf.h inftrees.h inffast.h -inflate.obj : inflate.c zutil.h zlib.h zconf.h -inftrees.obj : inftrees.c zutil.h zlib.h zconf.h inftrees.h -minigzip.obj : [.test]minigzip.c zlib.h zconf.h -trees.obj : trees.c deflate.h zutil.h zlib.h zconf.h -uncompr.obj : uncompr.c zlib.h zconf.h -zutil.obj : zutil.c zutil.h zlib.h zconf.h -infback.obj : infback.c zutil.h inftrees.h inflate.h inffast.h inffixed.h -$ eod -$ close out -$ return -$!------------------------------------------------------------------------------ -$! -$! Read list of core library sources from makefile.in and create options -$! needed to build shareable image -$! -$CREA_OLIST: -$ open/read min makefile.in -$ open/write mod modules.opt -$ src_check_list = "OBJZ =#OBJG =" -$MRLOOP: -$ read/end=mrdone min rec -$ i = 0 -$SRC_CHECK_LOOP: -$ src_check = f$element(i, "#", src_check_list) -$ i = i+1 -$ if src_check .eqs. "#" then goto mrloop -$ if (f$extract(0,6,rec) .nes. src_check) then goto src_check_loop -$ rec = rec - src_check -$ gosub extra_filnam -$ if (f$element(1,"\",rec) .eqs. "\") then goto mrloop -$MRSLOOP: -$ read/end=mrdone min rec -$ gosub extra_filnam -$ if (f$element(1,"\",rec) .nes. "\") then goto mrsloop -$MRDONE: -$ close min -$ close mod -$ return -$!------------------------------------------------------------------------------ -$! -$! Take record extracted in crea_olist and split it into single filenames -$! -$EXTRA_FILNAM: -$ myrec = f$edit(rec - "\", "trim,compress") -$ i = 0 -$FELOOP: -$ srcfil = f$element(i," ", myrec) -$ if (srcfil .nes. " ") -$ then -$ write mod f$parse(srcfil,,,"NAME"), ".obj" -$ i = i + 1 -$ goto feloop -$ endif -$ return -$!------------------------------------------------------------------------------ -$! -$! Find current Zlib version number -$! -$FIND_VERSION: -$ open/read h_in 'v_file' -$hloop: -$ read/end=hdone h_in rec -$ rec = f$edit(rec,"TRIM") -$ if (f$extract(0,1,rec) .nes. "#") then goto hloop -$ rec = f$edit(rec - "#", "TRIM") -$ if f$element(0," ",rec) .nes. "define" then goto hloop -$ if f$element(1," ",rec) .eqs. v_string -$ then -$ version = 'f$element(2," ",rec)' -$ goto hdone -$ endif -$ goto hloop -$hdone: -$ close h_in -$ return -$!------------------------------------------------------------------------------ -$! -$CHECK_CONFIG: -$! -$ in_ldef = f$locate(cdef,libdefs) -$ if (in_ldef .lt. f$length(libdefs)) -$ then -$ write aconf "#define ''cdef' 1" -$ libdefs = f$extract(0,in_ldef,libdefs) + - - f$extract(in_ldef + f$length(cdef) + 1, - - f$length(libdefs) - in_ldef - f$length(cdef) - 1, - - libdefs) -$ else -$ if (f$type('cdef') .eqs. "INTEGER") -$ then -$ write aconf "#define ''cdef' ", 'cdef' -$ else -$ if (f$type('cdef') .eqs. "STRING") -$ then -$ write aconf "#define ''cdef' ", """", '''cdef'', """" -$ else -$ gosub check_cc_def -$ endif -$ endif -$ endif -$ return -$!------------------------------------------------------------------------------ -$! -$! Check if this is a define relating to the properties of the C/C++ -$! compiler -$! -$ CHECK_CC_DEF: -$ if (cdef .eqs. "_LARGEFILE64_SOURCE") -$ then -$ copy sys$input: 'tc' -$ deck -#include "tconfig" -#define _LARGEFILE -#include - -int main(){ -FILE *fp; - fp = fopen("temp.txt","r"); - fseeko(fp,1,SEEK_SET); - fclose(fp); -} - -$ eod -$ test_inv = false -$ comm_h = false -$ gosub cc_prop_check -$ return -$ endif -$ write aconf "/* ", line, " */" -$ return -$!------------------------------------------------------------------------------ -$! -$! Check for properties of C/C++ compiler -$! -$! Version history -$! 0.01 20031020 First version to receive a number -$! 0.02 20031022 Added logic for defines with value -$! 0.03 20040309 Make sure local config file gets not deleted -$! 0.04 20041230 Also write include for configure run -$! 0.05 20050103 Add processing of "comment defines" -$CC_PROP_CHECK: -$ cc_prop = true -$ is_need = false -$ is_need = (f$extract(0,4,cdef) .eqs. "NEED") .or. (test_inv .eq. true) -$ if f$search(th) .eqs. "" then create 'th' -$ set message/nofac/noident/nosever/notext -$ on error then continue -$ cc 'tmpnam' -$ if .not. ($status) then cc_prop = false -$ on error then continue -$! The headers might lie about the capabilities of the RTL -$ link 'tmpnam',tmp.opt/opt -$ if .not. ($status) then cc_prop = false -$ set message/fac/ident/sever/text -$ on error then goto err_exit -$ delete/nolog 'tmpnam'.*;*/exclude='th' -$ if (cc_prop .and. .not. is_need) .or. - - (.not. cc_prop .and. is_need) -$ then -$ write sys$output "Checking for ''cdef'... yes" -$ if f$type('cdef_val'_yes) .nes. "" -$ then -$ if f$type('cdef_val'_yes) .eqs. "INTEGER" - - then call write_config f$fao("#define !AS !UL",cdef,'cdef_val'_yes) -$ if f$type('cdef_val'_yes) .eqs. "STRING" - - then call write_config f$fao("#define !AS !AS",cdef,'cdef_val'_yes) -$ else -$ call write_config f$fao("#define !AS 1",cdef) -$ endif -$ if (cdef .eqs. "HAVE_FSEEKO") .or. (cdef .eqs. "_LARGE_FILES") .or. - - (cdef .eqs. "_LARGEFILE64_SOURCE") then - - call write_config f$string("#define _LARGEFILE 1") -$ else -$ write sys$output "Checking for ''cdef'... no" -$ if (comm_h) -$ then - call write_config f$fao("/* !AS */",line) -$ else -$ if f$type('cdef_val'_no) .nes. "" -$ then -$ if f$type('cdef_val'_no) .eqs. "INTEGER" - - then call write_config f$fao("#define !AS !UL",cdef,'cdef_val'_no) -$ if f$type('cdef_val'_no) .eqs. "STRING" - - then call write_config f$fao("#define !AS !AS",cdef,'cdef_val'_no) -$ else -$ call write_config f$fao("#undef !AS",cdef) -$ endif -$ endif -$ endif -$ return -$!------------------------------------------------------------------------------ -$! -$! Check for properties of C/C++ compiler with multiple result values -$! -$! Version history -$! 0.01 20040127 First version -$! 0.02 20050103 Reconcile changes from cc_prop up to version 0.05 -$CC_MPROP_CHECK: -$ cc_prop = true -$ i = 1 -$ idel = 1 -$ MT_LOOP: -$ if f$type(result_'i') .eqs. "STRING" -$ then -$ set message/nofac/noident/nosever/notext -$ on error then continue -$ cc 'tmpnam'_'i' -$ if .not. ($status) then cc_prop = false -$ on error then continue -$! The headers might lie about the capabilities of the RTL -$ link 'tmpnam'_'i',tmp.opt/opt -$ if .not. ($status) then cc_prop = false -$ set message/fac/ident/sever/text -$ on error then goto err_exit -$ delete/nolog 'tmpnam'_'i'.*;* -$ if (cc_prop) -$ then -$ write sys$output "Checking for ''cdef'... ", mdef_'i' -$ if f$type(mdef_'i') .eqs. "INTEGER" - - then call write_config f$fao("#define !AS !UL",cdef,mdef_'i') -$ if f$type('cdef_val'_yes) .eqs. "STRING" - - then call write_config f$fao("#define !AS !AS",cdef,mdef_'i') -$ goto msym_clean -$ else -$ i = i + 1 -$ goto mt_loop -$ endif -$ endif -$ write sys$output "Checking for ''cdef'... no" -$ call write_config f$fao("#undef !AS",cdef) -$ MSYM_CLEAN: -$ if (idel .le. msym_max) -$ then -$ delete/sym mdef_'idel' -$ idel = idel + 1 -$ goto msym_clean -$ endif -$ return -$!------------------------------------------------------------------------------ -$! -$! Write configuration to both permanent and temporary config file -$! -$! Version history -$! 0.01 20031029 First version to receive a number -$! -$WRITE_CONFIG: SUBROUTINE -$ write aconf 'p1' -$ open/append confh 'th' -$ write confh 'p1' -$ close confh -$ENDSUBROUTINE -$!------------------------------------------------------------------------------ -$! -$! Analyze the project map file and create the symbol vector for a shareable -$! image from it -$! -$! Version history -$! 0.01 20120128 First version -$! 0.02 20120226 Add pre-load logic -$! -$ MAP_2_SHOPT: Subroutine -$! -$ SAY := "WRITE_ SYS$OUTPUT" -$! -$ IF F$SEARCH("''P1'") .EQS. "" -$ THEN -$ SAY "MAP_2_SHOPT-E-NOSUCHFILE: Error, inputfile ''p1' not available" -$ goto exit_m2s -$ ENDIF -$ IF "''P2'" .EQS. "" -$ THEN -$ SAY "MAP_2_SHOPT: Error, no output file provided" -$ goto exit_m2s -$ ENDIF -$! -$ module1 = "deflate#deflateEnd#deflateInit_#deflateParams#deflateSetDictionary" -$ module2 = "gzclose#gzerror#gzgetc#gzgets#gzopen#gzprintf#gzputc#gzputs#gzread" -$ module3 = "gzseek#gztell#inflate#inflateEnd#inflateInit_#inflateSetDictionary" -$ module4 = "inflateSync#uncompress#zlibVersion#compress" -$ open/read map 'p1 -$ if axp .or. ia64 -$ then -$ open/write aopt a.opt -$ open/write bopt b.opt -$ write aopt " CASE_SENSITIVE=YES" -$ write bopt "SYMBOL_VECTOR= (-" -$ mod_sym_num = 1 -$ MOD_SYM_LOOP: -$ if f$type(module'mod_sym_num') .nes. "" -$ then -$ mod_in = 0 -$ MOD_SYM_IN: -$ shared_proc = f$element(mod_in, "#", module'mod_sym_num') -$ if shared_proc .nes. "#" -$ then -$ write aopt f$fao(" symbol_vector=(!AS/!AS=PROCEDURE)",- - f$edit(shared_proc,"upcase"),shared_proc) -$ write bopt f$fao("!AS=PROCEDURE,-",shared_proc) -$ mod_in = mod_in + 1 -$ goto mod_sym_in -$ endif -$ mod_sym_num = mod_sym_num + 1 -$ goto mod_sym_loop -$ endif -$MAP_LOOP: -$ read/end=map_end map line -$ if (f$locate("{",line).lt. f$length(line)) .or. - - (f$locate("global:", line) .lt. f$length(line)) -$ then -$ proc = true -$ goto map_loop -$ endif -$ if f$locate("}",line).lt. f$length(line) then proc = false -$ if f$locate("local:", line) .lt. f$length(line) then proc = false -$ if proc -$ then -$ shared_proc = f$edit(line,"collapse") -$ chop_semi = f$locate(";", shared_proc) -$ if chop_semi .lt. f$length(shared_proc) then - - shared_proc = f$extract(0, chop_semi, shared_proc) -$ write aopt f$fao(" symbol_vector=(!AS/!AS=PROCEDURE)",- - f$edit(shared_proc,"upcase"),shared_proc) -$ write bopt f$fao("!AS=PROCEDURE,-",shared_proc) -$ endif -$ goto map_loop -$MAP_END: -$ close/nolog aopt -$ close/nolog bopt -$ open/append libopt 'p2' -$ open/read aopt a.opt -$ open/read bopt b.opt -$ALOOP: -$ read/end=aloop_end aopt line -$ write libopt line -$ goto aloop -$ALOOP_END: -$ close/nolog aopt -$ sv = "" -$BLOOP: -$ read/end=bloop_end bopt svn -$ if (svn.nes."") -$ then -$ if (sv.nes."") then write libopt sv -$ sv = svn -$ endif -$ goto bloop -$BLOOP_END: -$ write libopt f$extract(0,f$length(sv)-2,sv), "-" -$ write libopt ")" -$ close/nolog bopt -$ delete/nolog/noconf a.opt;*,b.opt;* -$ else -$ if vax -$ then -$ open/append libopt 'p2' -$ mod_sym_num = 1 -$ VMOD_SYM_LOOP: -$ if f$type(module'mod_sym_num') .nes. "" -$ then -$ mod_in = 0 -$ VMOD_SYM_IN: -$ shared_proc = f$element(mod_in, "#", module'mod_sym_num') -$ if shared_proc .nes. "#" -$ then -$ write libopt f$fao("UNIVERSAL=!AS",- - f$edit(shared_proc,"upcase")) -$ mod_in = mod_in + 1 -$ goto vmod_sym_in -$ endif -$ mod_sym_num = mod_sym_num + 1 -$ goto vmod_sym_loop -$ endif -$VMAP_LOOP: -$ read/end=vmap_end map line -$ if (f$locate("{",line).lt. f$length(line)) .or. - - (f$locate("global:", line) .lt. f$length(line)) -$ then -$ proc = true -$ goto vmap_loop -$ endif -$ if f$locate("}",line).lt. f$length(line) then proc = false -$ if f$locate("local:", line) .lt. f$length(line) then proc = false -$ if proc -$ then -$ shared_proc = f$edit(line,"collapse") -$ chop_semi = f$locate(";", shared_proc) -$ if chop_semi .lt. f$length(shared_proc) then - - shared_proc = f$extract(0, chop_semi, shared_proc) -$ write libopt f$fao("UNIVERSAL=!AS",- - f$edit(shared_proc,"upcase")) -$ endif -$ goto vmap_loop -$VMAP_END: -$ else -$ write sys$output "Unknown Architecture (Not VAX, AXP, or IA64)" -$ write sys$output "No options file created" -$ endif -$ endif -$ EXIT_M2S: -$ close/nolog map -$ close/nolog libopt -$ endsubroutine diff --git a/deps/zlib/msdos/Makefile.bor b/deps/zlib/msdos/Makefile.bor deleted file mode 100644 index 3d12a2c25270a4..00000000000000 --- a/deps/zlib/msdos/Makefile.bor +++ /dev/null @@ -1,115 +0,0 @@ -# Makefile for zlib -# Borland C++ -# Last updated: 15-Mar-2003 - -# To use, do "make -fmakefile.bor" -# To compile in small model, set below: MODEL=s - -# WARNING: the small model is supported but only for small values of -# MAX_WBITS and MAX_MEM_LEVEL. For example: -# -DMAX_WBITS=11 -DDEF_WBITS=11 -DMAX_MEM_LEVEL=3 -# If you wish to reduce the memory requirements (default 256K for big -# objects plus a few K), you can add to the LOC macro below: -# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14 -# See zconf.h for details about the memory requirements. - -# ------------ Turbo C++, Borland C++ ------------ - -# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7) -# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or added -# to the declaration of LOC here: -LOC = $(LOCAL_ZLIB) - -# type for CPU required: 0: 8086, 1: 80186, 2: 80286, 3: 80386, etc. -CPU_TYP = 0 - -# memory model: one of s, m, c, l (small, medium, compact, large) -MODEL=l - -# replace bcc with tcc for Turbo C++ 1.0, with bcc32 for the 32 bit version -CC=bcc -LD=bcc -AR=tlib - -# compiler flags -# replace "-O2" by "-O -G -a -d" for Turbo C++ 1.0 -CFLAGS=-O2 -Z -m$(MODEL) $(LOC) - -LDFLAGS=-m$(MODEL) -f- - - -# variables -ZLIB_LIB = zlib_$(MODEL).lib - -OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj -OBJ2 = gzwrite.obj infback.obj inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj -OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzclose.obj+gzlib.obj+gzread.obj -OBJP2 = +gzwrite.obj+infback.obj+inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj - - -# targets -all: $(ZLIB_LIB) example.exe minigzip.exe - -.c.obj: - $(CC) -c $(CFLAGS) $*.c - -adler32.obj: adler32.c zlib.h zconf.h - -compress.obj: compress.c zlib.h zconf.h - -crc32.obj: crc32.c zlib.h zconf.h crc32.h - -deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h - -gzclose.obj: gzclose.c zlib.h zconf.h gzguts.h - -gzlib.obj: gzlib.c zlib.h zconf.h gzguts.h - -gzread.obj: gzread.c zlib.h zconf.h gzguts.h - -gzwrite.obj: gzwrite.c zlib.h zconf.h gzguts.h - -infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h inffixed.h - -inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h - -inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h inffixed.h - -inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h - -trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h - -uncompr.obj: uncompr.c zlib.h zconf.h - -zutil.obj: zutil.c zutil.h zlib.h zconf.h - -example.obj: test/example.c zlib.h zconf.h - -minigzip.obj: test/minigzip.c zlib.h zconf.h - - -# the command line is cut to fit in the MS-DOS 128 byte limit: -$(ZLIB_LIB): $(OBJ1) $(OBJ2) - -del $(ZLIB_LIB) - $(AR) $(ZLIB_LIB) $(OBJP1) - $(AR) $(ZLIB_LIB) $(OBJP2) - -example.exe: example.obj $(ZLIB_LIB) - $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) - -minigzip.exe: minigzip.obj $(ZLIB_LIB) - $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) - -test: example.exe minigzip.exe - example - echo hello world | minigzip | minigzip -d - -clean: - -del *.obj - -del *.lib - -del *.exe - -del zlib_*.bak - -del foo.gz diff --git a/deps/zlib/msdos/Makefile.dj2 b/deps/zlib/msdos/Makefile.dj2 deleted file mode 100644 index 59d2037d69c4e8..00000000000000 --- a/deps/zlib/msdos/Makefile.dj2 +++ /dev/null @@ -1,104 +0,0 @@ -# Makefile for zlib. Modified for djgpp v2.0 by F. J. Donahoe, 3/15/96. -# Copyright (C) 1995-1998 Jean-loup Gailly. -# For conditions of distribution and use, see copyright notice in zlib.h - -# To compile, or to compile and test, type: -# -# make -fmakefile.dj2; make test -fmakefile.dj2 -# -# To install libz.a, zconf.h and zlib.h in the djgpp directories, type: -# -# make install -fmakefile.dj2 -# -# after first defining LIBRARY_PATH and INCLUDE_PATH in djgpp.env as -# in the sample below if the pattern of the DJGPP distribution is to -# be followed. Remember that, while 'es around <=> are ignored in -# makefiles, they are *not* in batch files or in djgpp.env. -# - - - - - -# [make] -# INCLUDE_PATH=%\>;INCLUDE_PATH%%\DJDIR%\include -# LIBRARY_PATH=%\>;LIBRARY_PATH%%\DJDIR%\lib -# BUTT=-m486 -# - - - - - -# Alternately, these variables may be defined below, overriding the values -# in djgpp.env, as -# INCLUDE_PATH=c:\usr\include -# LIBRARY_PATH=c:\usr\lib - -CC=gcc - -#CFLAGS=-MMD -O -#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 -#CFLAGS=-MMD -g -DZLIB_DEBUG -CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ - -Wstrict-prototypes -Wmissing-prototypes - -# If cp.exe is available, replace "copy /Y" with "cp -fp" . -CP=copy /Y -# If gnu install.exe is available, replace $(CP) with ginstall. -INSTALL=$(CP) -# The default value of RM is "rm -f." If "rm.exe" is found, comment out: -RM=del -LDLIBS=-L. -lz -LD=$(CC) -s -o -LDSHARED=$(CC) - -INCL=zlib.h zconf.h -LIBS=libz.a - -AR=ar rcs - -prefix=/usr/local -exec_prefix = $(prefix) - -OBJS = adler32.o compress.o crc32.o gzclose.o gzlib.o gzread.o gzwrite.o \ - uncompr.o deflate.o trees.o zutil.o inflate.o infback.o inftrees.o inffast.o - -OBJA = -# to use the asm code: make OBJA=match.o - -TEST_OBJS = example.o minigzip.o - -all: example.exe minigzip.exe - -check: test -test: all - ./example - echo hello world | .\minigzip | .\minigzip -d - -%.o : %.c - $(CC) $(CFLAGS) -c $< -o $@ - -libz.a: $(OBJS) $(OBJA) - $(AR) $@ $(OBJS) $(OBJA) - -%.exe : %.o $(LIBS) - $(LD) $@ $< $(LDLIBS) - -# INCLUDE_PATH and LIBRARY_PATH were set for [make] in djgpp.env . - -.PHONY : uninstall clean - -install: $(INCL) $(LIBS) - -@if not exist $(INCLUDE_PATH)\nul mkdir $(INCLUDE_PATH) - -@if not exist $(LIBRARY_PATH)\nul mkdir $(LIBRARY_PATH) - $(INSTALL) zlib.h $(INCLUDE_PATH) - $(INSTALL) zconf.h $(INCLUDE_PATH) - $(INSTALL) libz.a $(LIBRARY_PATH) - -uninstall: - $(RM) $(INCLUDE_PATH)\zlib.h - $(RM) $(INCLUDE_PATH)\zconf.h - $(RM) $(LIBRARY_PATH)\libz.a - -clean: - $(RM) *.d - $(RM) *.o - $(RM) *.exe - $(RM) libz.a - $(RM) foo.gz - -DEPS := $(wildcard *.d) -ifneq ($(DEPS),) -include $(DEPS) -endif diff --git a/deps/zlib/msdos/Makefile.emx b/deps/zlib/msdos/Makefile.emx deleted file mode 100644 index e30f67bed68e86..00000000000000 --- a/deps/zlib/msdos/Makefile.emx +++ /dev/null @@ -1,69 +0,0 @@ -# Makefile for zlib. Modified for emx 0.9c by Chr. Spieler, 6/17/98. -# Copyright (C) 1995-1998 Jean-loup Gailly. -# For conditions of distribution and use, see copyright notice in zlib.h - -# To compile, or to compile and test, type: -# -# make -fmakefile.emx; make test -fmakefile.emx -# - -CC=gcc - -#CFLAGS=-MMD -O -#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 -#CFLAGS=-MMD -g -DZLIB_DEBUG -CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ - -Wstrict-prototypes -Wmissing-prototypes - -# If cp.exe is available, replace "copy /Y" with "cp -fp" . -CP=copy /Y -# If gnu install.exe is available, replace $(CP) with ginstall. -INSTALL=$(CP) -# The default value of RM is "rm -f." If "rm.exe" is found, comment out: -RM=del -LDLIBS=-L. -lzlib -LD=$(CC) -s -o -LDSHARED=$(CC) - -INCL=zlib.h zconf.h -LIBS=zlib.a - -AR=ar rcs - -prefix=/usr/local -exec_prefix = $(prefix) - -OBJS = adler32.o compress.o crc32.o gzclose.o gzlib.o gzread.o gzwrite.o \ - uncompr.o deflate.o trees.o zutil.o inflate.o infback.o inftrees.o inffast.o - -TEST_OBJS = example.o minigzip.o - -all: example.exe minigzip.exe - -test: all - ./example - echo hello world | .\minigzip | .\minigzip -d - -%.o : %.c - $(CC) $(CFLAGS) -c $< -o $@ - -zlib.a: $(OBJS) - $(AR) $@ $(OBJS) - -%.exe : %.o $(LIBS) - $(LD) $@ $< $(LDLIBS) - - -.PHONY : clean - -clean: - $(RM) *.d - $(RM) *.o - $(RM) *.exe - $(RM) zlib.a - $(RM) foo.gz - -DEPS := $(wildcard *.d) -ifneq ($(DEPS),) -include $(DEPS) -endif diff --git a/deps/zlib/msdos/Makefile.msc b/deps/zlib/msdos/Makefile.msc deleted file mode 100644 index ae8378615ec6bc..00000000000000 --- a/deps/zlib/msdos/Makefile.msc +++ /dev/null @@ -1,112 +0,0 @@ -# Makefile for zlib -# Microsoft C 5.1 or later -# Last updated: 19-Mar-2003 - -# To use, do "make makefile.msc" -# To compile in small model, set below: MODEL=S - -# If you wish to reduce the memory requirements (default 256K for big -# objects plus a few K), you can add to the LOC macro below: -# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14 -# See zconf.h for details about the memory requirements. - -# ------------- Microsoft C 5.1 and later ------------- - -# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7) -# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or added -# to the declaration of LOC here: -LOC = $(LOCAL_ZLIB) - -# Type for CPU required: 0: 8086, 1: 80186, 2: 80286, 3: 80386, etc. -CPU_TYP = 0 - -# Memory model: one of S, M, C, L (small, medium, compact, large) -MODEL=L - -CC=cl -CFLAGS=-nologo -A$(MODEL) -G$(CPU_TYP) -W3 -Oait -Gs $(LOC) -#-Ox generates bad code with MSC 5.1 -LIB_CFLAGS=-Zl $(CFLAGS) - -LD=link -LDFLAGS=/noi/e/st:0x1500/noe/farcall/packcode -# "/farcall/packcode" are only useful for `large code' memory models -# but should be a "no-op" for small code models. - - -# variables -ZLIB_LIB = zlib_$(MODEL).lib - -OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj -OBJ2 = gzwrite.obj infback.obj inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj - - -# targets -all: $(ZLIB_LIB) example.exe minigzip.exe - -.c.obj: - $(CC) -c $(LIB_CFLAGS) $*.c - -adler32.obj: adler32.c zlib.h zconf.h - -compress.obj: compress.c zlib.h zconf.h - -crc32.obj: crc32.c zlib.h zconf.h crc32.h - -deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h - -gzclose.obj: gzclose.c zlib.h zconf.h gzguts.h - -gzlib.obj: gzlib.c zlib.h zconf.h gzguts.h - -gzread.obj: gzread.c zlib.h zconf.h gzguts.h - -gzwrite.obj: gzwrite.c zlib.h zconf.h gzguts.h - -infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h inffixed.h - -inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h - -inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h inffixed.h - -inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h - -trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h - -uncompr.obj: uncompr.c zlib.h zconf.h - -zutil.obj: zutil.c zutil.h zlib.h zconf.h - -example.obj: test/example.c zlib.h zconf.h - $(CC) -c $(CFLAGS) $*.c - -minigzip.obj: test/minigzip.c zlib.h zconf.h - $(CC) -c $(CFLAGS) $*.c - - -# the command line is cut to fit in the MS-DOS 128 byte limit: -$(ZLIB_LIB): $(OBJ1) $(OBJ2) - if exist $(ZLIB_LIB) del $(ZLIB_LIB) - lib $(ZLIB_LIB) $(OBJ1); - lib $(ZLIB_LIB) $(OBJ2); - -example.exe: example.obj $(ZLIB_LIB) - $(LD) $(LDFLAGS) example.obj,,,$(ZLIB_LIB); - -minigzip.exe: minigzip.obj $(ZLIB_LIB) - $(LD) $(LDFLAGS) minigzip.obj,,,$(ZLIB_LIB); - -test: example.exe minigzip.exe - example - echo hello world | minigzip | minigzip -d - -clean: - -del *.obj - -del *.lib - -del *.exe - -del *.map - -del zlib_*.bak - -del foo.gz diff --git a/deps/zlib/msdos/Makefile.tc b/deps/zlib/msdos/Makefile.tc deleted file mode 100644 index 5aec82a9d58c45..00000000000000 --- a/deps/zlib/msdos/Makefile.tc +++ /dev/null @@ -1,100 +0,0 @@ -# Makefile for zlib -# Turbo C 2.01, Turbo C++ 1.01 -# Last updated: 15-Mar-2003 - -# To use, do "make -fmakefile.tc" -# To compile in small model, set below: MODEL=s - -# WARNING: the small model is supported but only for small values of -# MAX_WBITS and MAX_MEM_LEVEL. For example: -# -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3 -# If you wish to reduce the memory requirements (default 256K for big -# objects plus a few K), you can add to CFLAGS below: -# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14 -# See zconf.h for details about the memory requirements. - -# ------------ Turbo C 2.01, Turbo C++ 1.01 ------------ -MODEL=l -CC=tcc -LD=tcc -AR=tlib -# CFLAGS=-O2 -G -Z -m$(MODEL) -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3 -CFLAGS=-O2 -G -Z -m$(MODEL) -LDFLAGS=-m$(MODEL) -f- - - -# variables -ZLIB_LIB = zlib_$(MODEL).lib - -OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj -OBJ2 = gzwrite.obj infback.obj inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj -OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzclose.obj+gzlib.obj+gzread.obj -OBJP2 = +gzwrite.obj+infback.obj+inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj - - -# targets -all: $(ZLIB_LIB) example.exe minigzip.exe - -.c.obj: - $(CC) -c $(CFLAGS) $*.c - -adler32.obj: adler32.c zlib.h zconf.h - -compress.obj: compress.c zlib.h zconf.h - -crc32.obj: crc32.c zlib.h zconf.h crc32.h - -deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h - -gzclose.obj: gzclose.c zlib.h zconf.h gzguts.h - -gzlib.obj: gzlib.c zlib.h zconf.h gzguts.h - -gzread.obj: gzread.c zlib.h zconf.h gzguts.h - -gzwrite.obj: gzwrite.c zlib.h zconf.h gzguts.h - -infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h inffixed.h - -inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h - -inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h inffixed.h - -inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h - -trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h - -uncompr.obj: uncompr.c zlib.h zconf.h - -zutil.obj: zutil.c zutil.h zlib.h zconf.h - -example.obj: test/example.c zlib.h zconf.h - -minigzip.obj: test/minigzip.c zlib.h zconf.h - - -# the command line is cut to fit in the MS-DOS 128 byte limit: -$(ZLIB_LIB): $(OBJ1) $(OBJ2) - -del $(ZLIB_LIB) - $(AR) $(ZLIB_LIB) $(OBJP1) - $(AR) $(ZLIB_LIB) $(OBJP2) - -example.exe: example.obj $(ZLIB_LIB) - $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) - -minigzip.exe: minigzip.obj $(ZLIB_LIB) - $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) - -test: example.exe minigzip.exe - example - echo hello world | minigzip | minigzip -d - -clean: - -del *.obj - -del *.lib - -del *.exe - -del zlib_*.bak - -del foo.gz diff --git a/deps/zlib/nintendods/Makefile b/deps/zlib/nintendods/Makefile deleted file mode 100644 index 21337d01ab2fe2..00000000000000 --- a/deps/zlib/nintendods/Makefile +++ /dev/null @@ -1,126 +0,0 @@ -#--------------------------------------------------------------------------------- -.SUFFIXES: -#--------------------------------------------------------------------------------- - -ifeq ($(strip $(DEVKITARM)),) -$(error "Please set DEVKITARM in your environment. export DEVKITARM=devkitARM") -endif - -include $(DEVKITARM)/ds_rules - -#--------------------------------------------------------------------------------- -# TARGET is the name of the output -# BUILD is the directory where object files & intermediate files will be placed -# SOURCES is a list of directories containing source code -# DATA is a list of directories containing data files -# INCLUDES is a list of directories containing header files -#--------------------------------------------------------------------------------- -TARGET := $(shell basename $(CURDIR)) -BUILD := build -SOURCES := ../../ -DATA := data -INCLUDES := include - -#--------------------------------------------------------------------------------- -# options for code generation -#--------------------------------------------------------------------------------- -ARCH := -mthumb -mthumb-interwork - -CFLAGS := -Wall -O2\ - -march=armv5te -mtune=arm946e-s \ - -fomit-frame-pointer -ffast-math \ - $(ARCH) - -CFLAGS += $(INCLUDE) -DARM9 -CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions - -ASFLAGS := $(ARCH) -march=armv5te -mtune=arm946e-s -LDFLAGS = -specs=ds_arm9.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map) - -#--------------------------------------------------------------------------------- -# list of directories containing libraries, this must be the top level containing -# include and lib -#--------------------------------------------------------------------------------- -LIBDIRS := $(LIBNDS) - -#--------------------------------------------------------------------------------- -# no real need to edit anything past this point unless you need to add additional -# rules for different file extensions -#--------------------------------------------------------------------------------- -ifneq ($(BUILD),$(notdir $(CURDIR))) -#--------------------------------------------------------------------------------- - -export OUTPUT := $(CURDIR)/lib/libz.a - -export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \ - $(foreach dir,$(DATA),$(CURDIR)/$(dir)) - -export DEPSDIR := $(CURDIR)/$(BUILD) - -CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c))) -CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp))) -SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s))) -BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) - -#--------------------------------------------------------------------------------- -# use CXX for linking C++ projects, CC for standard C -#--------------------------------------------------------------------------------- -ifeq ($(strip $(CPPFILES)),) -#--------------------------------------------------------------------------------- - export LD := $(CC) -#--------------------------------------------------------------------------------- -else -#--------------------------------------------------------------------------------- - export LD := $(CXX) -#--------------------------------------------------------------------------------- -endif -#--------------------------------------------------------------------------------- - -export OFILES := $(addsuffix .o,$(BINFILES)) \ - $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o) - -export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \ - $(foreach dir,$(LIBDIRS),-I$(dir)/include) \ - -I$(CURDIR)/$(BUILD) - -.PHONY: $(BUILD) clean all - -#--------------------------------------------------------------------------------- -all: $(BUILD) - @[ -d $@ ] || mkdir -p include - @cp ../../*.h include - -lib: - @[ -d $@ ] || mkdir -p $@ - -$(BUILD): lib - @[ -d $@ ] || mkdir -p $@ - @$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile - -#--------------------------------------------------------------------------------- -clean: - @echo clean ... - @rm -fr $(BUILD) lib - -#--------------------------------------------------------------------------------- -else - -DEPENDS := $(OFILES:.o=.d) - -#--------------------------------------------------------------------------------- -# main targets -#--------------------------------------------------------------------------------- -$(OUTPUT) : $(OFILES) - -#--------------------------------------------------------------------------------- -%.bin.o : %.bin -#--------------------------------------------------------------------------------- - @echo $(notdir $<) - @$(bin2o) - - --include $(DEPENDS) - -#--------------------------------------------------------------------------------------- -endif -#--------------------------------------------------------------------------------------- diff --git a/deps/zlib/nintendods/README b/deps/zlib/nintendods/README deleted file mode 100644 index ba7a37dbe8e916..00000000000000 --- a/deps/zlib/nintendods/README +++ /dev/null @@ -1,5 +0,0 @@ -This Makefile requires devkitARM (http://www.devkitpro.org/category/devkitarm/) and works inside "contrib/nds". It is based on a devkitARM template. - -Eduardo Costa -January 3, 2009 - diff --git a/deps/zlib/old/Makefile.emx b/deps/zlib/old/Makefile.emx deleted file mode 100644 index 612b03791583cb..00000000000000 --- a/deps/zlib/old/Makefile.emx +++ /dev/null @@ -1,69 +0,0 @@ -# Makefile for zlib. Modified for emx/rsxnt by Chr. Spieler, 6/16/98. -# Copyright (C) 1995-1998 Jean-loup Gailly. -# For conditions of distribution and use, see copyright notice in zlib.h - -# To compile, or to compile and test, type: -# -# make -fmakefile.emx; make test -fmakefile.emx -# - -CC=gcc -Zwin32 - -#CFLAGS=-MMD -O -#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 -#CFLAGS=-MMD -g -DZLIB_DEBUG -CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ - -Wstrict-prototypes -Wmissing-prototypes - -# If cp.exe is available, replace "copy /Y" with "cp -fp" . -CP=copy /Y -# If gnu install.exe is available, replace $(CP) with ginstall. -INSTALL=$(CP) -# The default value of RM is "rm -f." If "rm.exe" is found, comment out: -RM=del -LDLIBS=-L. -lzlib -LD=$(CC) -s -o -LDSHARED=$(CC) - -INCL=zlib.h zconf.h -LIBS=zlib.a - -AR=ar rcs - -prefix=/usr/local -exec_prefix = $(prefix) - -OBJS = adler32.o compress.o crc32.o deflate.o gzclose.o gzlib.o gzread.o \ - gzwrite.o infback.o inffast.o inflate.o inftrees.o trees.o uncompr.o zutil.o - -TEST_OBJS = example.o minigzip.o - -all: example.exe minigzip.exe - -test: all - ./example - echo hello world | .\minigzip | .\minigzip -d - -%.o : %.c - $(CC) $(CFLAGS) -c $< -o $@ - -zlib.a: $(OBJS) - $(AR) $@ $(OBJS) - -%.exe : %.o $(LIBS) - $(LD) $@ $< $(LDLIBS) - - -.PHONY : clean - -clean: - $(RM) *.d - $(RM) *.o - $(RM) *.exe - $(RM) zlib.a - $(RM) foo.gz - -DEPS := $(wildcard *.d) -ifneq ($(DEPS),) -include $(DEPS) -endif diff --git a/deps/zlib/old/Makefile.riscos b/deps/zlib/old/Makefile.riscos deleted file mode 100644 index 57e29d3fba9177..00000000000000 --- a/deps/zlib/old/Makefile.riscos +++ /dev/null @@ -1,151 +0,0 @@ -# Project: zlib_1_03 -# Patched for zlib 1.1.2 rw@shadow.org.uk 19980430 -# test works out-of-the-box, installs `somewhere' on demand - -# Toolflags: -CCflags = -c -depend !Depend -IC: -g -throwback -DRISCOS -fah -C++flags = -c -depend !Depend -IC: -throwback -Linkflags = -aif -c++ -o $@ -ObjAsmflags = -throwback -NoCache -depend !Depend -CMHGflags = -LibFileflags = -c -l -o $@ -Squeezeflags = -o $@ - -# change the line below to where _you_ want the library installed. -libdest = lib:zlib - -# Final targets: -@.lib: @.o.adler32 @.o.compress @.o.crc32 @.o.deflate @.o.gzio \ - @.o.infblock @.o.infcodes @.o.inffast @.o.inflate @.o.inftrees @.o.infutil @.o.trees \ - @.o.uncompr @.o.zutil - LibFile $(LibFileflags) @.o.adler32 @.o.compress @.o.crc32 @.o.deflate \ - @.o.gzio @.o.infblock @.o.infcodes @.o.inffast @.o.inflate @.o.inftrees @.o.infutil \ - @.o.trees @.o.uncompr @.o.zutil -test: @.minigzip @.example @.lib - @copy @.lib @.libc A~C~DF~L~N~P~Q~RS~TV - @echo running tests: hang on. - @/@.minigzip -f -9 libc - @/@.minigzip -d libc-gz - @/@.minigzip -f -1 libc - @/@.minigzip -d libc-gz - @/@.minigzip -h -9 libc - @/@.minigzip -d libc-gz - @/@.minigzip -h -1 libc - @/@.minigzip -d libc-gz - @/@.minigzip -9 libc - @/@.minigzip -d libc-gz - @/@.minigzip -1 libc - @/@.minigzip -d libc-gz - @diff @.lib @.libc - @echo that should have reported '@.lib and @.libc identical' if you have diff. - @/@.example @.fred @.fred - @echo that will have given lots of hello!'s. - -@.minigzip: @.o.minigzip @.lib C:o.Stubs - Link $(Linkflags) @.o.minigzip @.lib C:o.Stubs -@.example: @.o.example @.lib C:o.Stubs - Link $(Linkflags) @.o.example @.lib C:o.Stubs - -install: @.lib - cdir $(libdest) - cdir $(libdest).h - @copy @.h.zlib $(libdest).h.zlib A~C~DF~L~N~P~Q~RS~TV - @copy @.h.zconf $(libdest).h.zconf A~C~DF~L~N~P~Q~RS~TV - @copy @.lib $(libdest).lib A~C~DF~L~N~P~Q~RS~TV - @echo okay, installed zlib in $(libdest) - -clean:; remove @.minigzip - remove @.example - remove @.libc - -wipe @.o.* F~r~cV - remove @.fred - -# User-editable dependencies: -.c.o: - cc $(ccflags) -o $@ $< - -# Static dependencies: - -# Dynamic dependencies: -o.example: c.example -o.example: h.zlib -o.example: h.zconf -o.minigzip: c.minigzip -o.minigzip: h.zlib -o.minigzip: h.zconf -o.adler32: c.adler32 -o.adler32: h.zlib -o.adler32: h.zconf -o.compress: c.compress -o.compress: h.zlib -o.compress: h.zconf -o.crc32: c.crc32 -o.crc32: h.zlib -o.crc32: h.zconf -o.deflate: c.deflate -o.deflate: h.deflate -o.deflate: h.zutil -o.deflate: h.zlib -o.deflate: h.zconf -o.gzio: c.gzio -o.gzio: h.zutil -o.gzio: h.zlib -o.gzio: h.zconf -o.infblock: c.infblock -o.infblock: h.zutil -o.infblock: h.zlib -o.infblock: h.zconf -o.infblock: h.infblock -o.infblock: h.inftrees -o.infblock: h.infcodes -o.infblock: h.infutil -o.infcodes: c.infcodes -o.infcodes: h.zutil -o.infcodes: h.zlib -o.infcodes: h.zconf -o.infcodes: h.inftrees -o.infcodes: h.infblock -o.infcodes: h.infcodes -o.infcodes: h.infutil -o.infcodes: h.inffast -o.inffast: c.inffast -o.inffast: h.zutil -o.inffast: h.zlib -o.inffast: h.zconf -o.inffast: h.inftrees -o.inffast: h.infblock -o.inffast: h.infcodes -o.inffast: h.infutil -o.inffast: h.inffast -o.inflate: c.inflate -o.inflate: h.zutil -o.inflate: h.zlib -o.inflate: h.zconf -o.inflate: h.infblock -o.inftrees: c.inftrees -o.inftrees: h.zutil -o.inftrees: h.zlib -o.inftrees: h.zconf -o.inftrees: h.inftrees -o.inftrees: h.inffixed -o.infutil: c.infutil -o.infutil: h.zutil -o.infutil: h.zlib -o.infutil: h.zconf -o.infutil: h.infblock -o.infutil: h.inftrees -o.infutil: h.infcodes -o.infutil: h.infutil -o.trees: c.trees -o.trees: h.deflate -o.trees: h.zutil -o.trees: h.zlib -o.trees: h.zconf -o.trees: h.trees -o.uncompr: c.uncompr -o.uncompr: h.zlib -o.uncompr: h.zconf -o.zutil: c.zutil -o.zutil: h.zutil -o.zutil: h.zlib -o.zutil: h.zconf diff --git a/deps/zlib/old/README b/deps/zlib/old/README deleted file mode 100644 index 800bf079827b7b..00000000000000 --- a/deps/zlib/old/README +++ /dev/null @@ -1,3 +0,0 @@ -This directory contains files that have not been updated for zlib 1.2.x - -(Volunteers are encouraged to help clean this up. Thanks.) diff --git a/deps/zlib/old/descrip.mms b/deps/zlib/old/descrip.mms deleted file mode 100644 index 7066da5b557e89..00000000000000 --- a/deps/zlib/old/descrip.mms +++ /dev/null @@ -1,48 +0,0 @@ -# descrip.mms: MMS description file for building zlib on VMS -# written by Martin P.J. Zinser - -cc_defs = -c_deb = - -.ifdef __DECC__ -pref = /prefix=all -.endif - -OBJS = adler32.obj, compress.obj, crc32.obj, gzio.obj, uncompr.obj,\ - deflate.obj, trees.obj, zutil.obj, inflate.obj, infblock.obj,\ - inftrees.obj, infcodes.obj, infutil.obj, inffast.obj - -CFLAGS= $(C_DEB) $(CC_DEFS) $(PREF) - -all : example.exe minigzip.exe - @ write sys$output " Example applications available" -libz.olb : libz.olb($(OBJS)) - @ write sys$output " libz available" - -example.exe : example.obj libz.olb - link example,libz.olb/lib - -minigzip.exe : minigzip.obj libz.olb - link minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib - -clean : - delete *.obj;*,libz.olb;* - - -# Other dependencies. -adler32.obj : zutil.h zlib.h zconf.h -compress.obj : zlib.h zconf.h -crc32.obj : zutil.h zlib.h zconf.h -deflate.obj : deflate.h zutil.h zlib.h zconf.h -example.obj : zlib.h zconf.h -gzio.obj : zutil.h zlib.h zconf.h -infblock.obj : zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h -infcodes.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h infcodes.h inffast.h -inffast.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h inffast.h -inflate.obj : zutil.h zlib.h zconf.h infblock.h -inftrees.obj : zutil.h zlib.h zconf.h inftrees.h -infutil.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h -minigzip.obj : zlib.h zconf.h -trees.obj : deflate.h zutil.h zlib.h zconf.h -uncompr.obj : zlib.h zconf.h -zutil.obj : zutil.h zlib.h zconf.h diff --git a/deps/zlib/old/os2/Makefile.os2 b/deps/zlib/old/os2/Makefile.os2 deleted file mode 100644 index bb426c0d8e68df..00000000000000 --- a/deps/zlib/old/os2/Makefile.os2 +++ /dev/null @@ -1,136 +0,0 @@ -# Makefile for zlib under OS/2 using GCC (PGCC) -# For conditions of distribution and use, see copyright notice in zlib.h - -# To compile and test, type: -# cp Makefile.os2 .. -# cd .. -# make -f Makefile.os2 test - -# This makefile will build a static library z.lib, a shared library -# z.dll and a import library zdll.lib. You can use either z.lib or -# zdll.lib by specifying either -lz or -lzdll on gcc's command line - -CC=gcc -Zomf -s - -CFLAGS=-O6 -Wall -#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 -#CFLAGS=-g -DZLIB_DEBUG -#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ -# -Wstrict-prototypes -Wmissing-prototypes - -#################### BUG WARNING: ##################### -## infcodes.c hits a bug in pgcc-1.0, so you have to use either -## -O# where # <= 4 or one of (-fno-ommit-frame-pointer or -fno-force-mem) -## This bug is reportedly fixed in pgcc >1.0, but this was not tested -CFLAGS+=-fno-force-mem - -LDFLAGS=-s -L. -lzdll -Zcrtdll -LDSHARED=$(CC) -s -Zomf -Zdll -Zcrtdll - -VER=1.1.0 -ZLIB=z.lib -SHAREDLIB=z.dll -SHAREDLIBIMP=zdll.lib -LIBS=$(ZLIB) $(SHAREDLIB) $(SHAREDLIBIMP) - -AR=emxomfar cr -IMPLIB=emximp -RANLIB=echo -TAR=tar -SHELL=bash - -prefix=/usr/local -exec_prefix = $(prefix) - -OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \ - zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o - -TEST_OBJS = example.o minigzip.o - -DISTFILES = README INDEX ChangeLog configure Make*[a-z0-9] *.[ch] descrip.mms \ - algorithm.txt zlib.3 msdos/Make*[a-z0-9] msdos/zlib.def msdos/zlib.rc \ - nt/Makefile.nt nt/zlib.dnt contrib/README.contrib contrib/*.txt \ - contrib/asm386/*.asm contrib/asm386/*.c \ - contrib/asm386/*.bat contrib/asm386/zlibvc.d?? contrib/iostream/*.cpp \ - contrib/iostream/*.h contrib/iostream2/*.h contrib/iostream2/*.cpp \ - contrib/untgz/Makefile contrib/untgz/*.c contrib/untgz/*.w32 - -all: example.exe minigzip.exe - -test: all - @LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \ - echo hello world | ./minigzip | ./minigzip -d || \ - echo ' *** minigzip test FAILED ***' ; \ - if ./example; then \ - echo ' *** zlib test OK ***'; \ - else \ - echo ' *** zlib test FAILED ***'; \ - fi - -$(ZLIB): $(OBJS) - $(AR) $@ $(OBJS) - -@ ($(RANLIB) $@ || true) >/dev/null 2>&1 - -$(SHAREDLIB): $(OBJS) os2/z.def - $(LDSHARED) -o $@ $^ - -$(SHAREDLIBIMP): os2/z.def - $(IMPLIB) -o $@ $^ - -example.exe: example.o $(LIBS) - $(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS) - -minigzip.exe: minigzip.o $(LIBS) - $(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS) - -clean: - rm -f *.o *~ example minigzip libz.a libz.so* foo.gz - -distclean: clean - -zip: - mv Makefile Makefile~; cp -p Makefile.in Makefile - rm -f test.c ztest*.c - v=`sed -n -e 's/\.//g' -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\ - zip -ul9 zlib$$v $(DISTFILES) - mv Makefile~ Makefile - -dist: - mv Makefile Makefile~; cp -p Makefile.in Makefile - rm -f test.c ztest*.c - d=zlib-`sed -n '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\ - rm -f $$d.tar.gz; \ - if test ! -d ../$$d; then rm -f ../$$d; ln -s `pwd` ../$$d; fi; \ - files=""; \ - for f in $(DISTFILES); do files="$$files $$d/$$f"; done; \ - cd ..; \ - GZIP=-9 $(TAR) chofz $$d/$$d.tar.gz $$files; \ - if test ! -d $$d; then rm -f $$d; fi - mv Makefile~ Makefile - -tags: - etags *.[ch] - -depend: - makedepend -- $(CFLAGS) -- *.[ch] - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -adler32.o: zlib.h zconf.h -compress.o: zlib.h zconf.h -crc32.o: zlib.h zconf.h -deflate.o: deflate.h zutil.h zlib.h zconf.h -example.o: zlib.h zconf.h -gzio.o: zutil.h zlib.h zconf.h -infblock.o: infblock.h inftrees.h infcodes.h infutil.h zutil.h zlib.h zconf.h -infcodes.o: zutil.h zlib.h zconf.h -infcodes.o: inftrees.h infblock.h infcodes.h infutil.h inffast.h -inffast.o: zutil.h zlib.h zconf.h inftrees.h -inffast.o: infblock.h infcodes.h infutil.h inffast.h -inflate.o: zutil.h zlib.h zconf.h infblock.h -inftrees.o: zutil.h zlib.h zconf.h inftrees.h -infutil.o: zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h -minigzip.o: zlib.h zconf.h -trees.o: deflate.h zutil.h zlib.h zconf.h trees.h -uncompr.o: zlib.h zconf.h -zutil.o: zutil.h zlib.h zconf.h diff --git a/deps/zlib/old/os2/zlib.def b/deps/zlib/old/os2/zlib.def deleted file mode 100644 index 4c753f1a3b9938..00000000000000 --- a/deps/zlib/old/os2/zlib.def +++ /dev/null @@ -1,51 +0,0 @@ -; -; Slightly modified version of ../nt/zlib.dnt :-) -; - -LIBRARY Z -DESCRIPTION "Zlib compression library for OS/2" -CODE PRELOAD MOVEABLE DISCARDABLE -DATA PRELOAD MOVEABLE MULTIPLE - -EXPORTS - adler32 - compress - crc32 - deflate - deflateCopy - deflateEnd - deflateInit2_ - deflateInit_ - deflateParams - deflateReset - deflateSetDictionary - gzclose - gzdopen - gzerror - gzflush - gzopen - gzread - gzwrite - inflate - inflateEnd - inflateInit2_ - inflateInit_ - inflateReset - inflateSetDictionary - inflateSync - uncompress - zlibVersion - gzprintf - gzputc - gzgetc - gzseek - gzrewind - gztell - gzeof - gzsetparams - zError - inflateSyncPoint - get_crc_table - compress2 - gzputs - gzgets diff --git a/deps/zlib/old/visual-basic.txt b/deps/zlib/old/visual-basic.txt deleted file mode 100644 index 57efe58124eed6..00000000000000 --- a/deps/zlib/old/visual-basic.txt +++ /dev/null @@ -1,160 +0,0 @@ -See below some functions declarations for Visual Basic. - -Frequently Asked Question: - -Q: Each time I use the compress function I get the -5 error (not enough - room in the output buffer). - -A: Make sure that the length of the compressed buffer is passed by - reference ("as any"), not by value ("as long"). Also check that - before the call of compress this length is equal to the total size of - the compressed buffer and not zero. - - -From: "Jon Caruana" -Subject: Re: How to port zlib declares to vb? -Date: Mon, 28 Oct 1996 18:33:03 -0600 - -Got the answer! (I haven't had time to check this but it's what I got, and -looks correct): - -He has the following routines working: - compress - uncompress - gzopen - gzwrite - gzread - gzclose - -Declares follow: (Quoted from Carlos Rios , in Vb4 form) - -#If Win16 Then 'Use Win16 calls. -Declare Function compress Lib "ZLIB.DLL" (ByVal compr As - String, comprLen As Any, ByVal buf As String, ByVal buflen - As Long) As Integer -Declare Function uncompress Lib "ZLIB.DLL" (ByVal uncompr - As String, uncomprLen As Any, ByVal compr As String, ByVal - lcompr As Long) As Integer -Declare Function gzopen Lib "ZLIB.DLL" (ByVal filePath As - String, ByVal mode As String) As Long -Declare Function gzread Lib "ZLIB.DLL" (ByVal file As - Long, ByVal uncompr As String, ByVal uncomprLen As Integer) - As Integer -Declare Function gzwrite Lib "ZLIB.DLL" (ByVal file As - Long, ByVal uncompr As String, ByVal uncomprLen As Integer) - As Integer -Declare Function gzclose Lib "ZLIB.DLL" (ByVal file As - Long) As Integer -#Else -Declare Function compress Lib "ZLIB32.DLL" - (ByVal compr As String, comprLen As Any, ByVal buf As - String, ByVal buflen As Long) As Integer -Declare Function uncompress Lib "ZLIB32.DLL" - (ByVal uncompr As String, uncomprLen As Any, ByVal compr As - String, ByVal lcompr As Long) As Long -Declare Function gzopen Lib "ZLIB32.DLL" - (ByVal file As String, ByVal mode As String) As Long -Declare Function gzread Lib "ZLIB32.DLL" - (ByVal file As Long, ByVal uncompr As String, ByVal - uncomprLen As Long) As Long -Declare Function gzwrite Lib "ZLIB32.DLL" - (ByVal file As Long, ByVal uncompr As String, ByVal - uncomprLen As Long) As Long -Declare Function gzclose Lib "ZLIB32.DLL" - (ByVal file As Long) As Long -#End If - --Jon Caruana -jon-net@usa.net -Microsoft Sitebuilder Network Level 1 Member - HTML Writer's Guild Member - - -Here is another example from Michael that he -says conforms to the VB guidelines, and that solves the problem of not -knowing the uncompressed size by storing it at the end of the file: - -'Calling the functions: -'bracket meaning: [optional] {Range of possible values} -'Call subCompressFile( [, , [level of compression {1..9}]]) -'Call subUncompressFile() - -Option Explicit -Private lngpvtPcnSml As Long 'Stores value for 'lngPercentSmaller' -Private Const SUCCESS As Long = 0 -Private Const strFilExt As String = ".cpr" -Private Declare Function lngfncCpr Lib "zlib.dll" Alias "compress2" (ByRef -dest As Any, ByRef destLen As Any, ByRef src As Any, ByVal srcLen As Long, -ByVal level As Integer) As Long -Private Declare Function lngfncUcp Lib "zlib.dll" Alias "uncompress" (ByRef -dest As Any, ByRef destLen As Any, ByRef src As Any, ByVal srcLen As Long) -As Long - -Public Sub subCompressFile(ByVal strargOriFilPth As String, Optional ByVal -strargCprFilPth As String, Optional ByVal intLvl As Integer = 9) - Dim strCprPth As String - Dim lngOriSiz As Long - Dim lngCprSiz As Long - Dim bytaryOri() As Byte - Dim bytaryCpr() As Byte - lngOriSiz = FileLen(strargOriFilPth) - ReDim bytaryOri(lngOriSiz - 1) - Open strargOriFilPth For Binary Access Read As #1 - Get #1, , bytaryOri() - Close #1 - strCprPth = IIf(strargCprFilPth = "", strargOriFilPth, strargCprFilPth) -'Select file path and name - strCprPth = strCprPth & IIf(Right(strCprPth, Len(strFilExt)) = -strFilExt, "", strFilExt) 'Add file extension if not exists - lngCprSiz = (lngOriSiz * 1.01) + 12 'Compression needs temporary a bit -more space then original file size - ReDim bytaryCpr(lngCprSiz - 1) - If lngfncCpr(bytaryCpr(0), lngCprSiz, bytaryOri(0), lngOriSiz, intLvl) = -SUCCESS Then - lngpvtPcnSml = (1# - (lngCprSiz / lngOriSiz)) * 100 - ReDim Preserve bytaryCpr(lngCprSiz - 1) - Open strCprPth For Binary Access Write As #1 - Put #1, , bytaryCpr() - Put #1, , lngOriSiz 'Add the the original size value to the end -(last 4 bytes) - Close #1 - Else - MsgBox "Compression error" - End If - Erase bytaryCpr - Erase bytaryOri -End Sub - -Public Sub subUncompressFile(ByVal strargFilPth As String) - Dim bytaryCpr() As Byte - Dim bytaryOri() As Byte - Dim lngOriSiz As Long - Dim lngCprSiz As Long - Dim strOriPth As String - lngCprSiz = FileLen(strargFilPth) - ReDim bytaryCpr(lngCprSiz - 1) - Open strargFilPth For Binary Access Read As #1 - Get #1, , bytaryCpr() - Close #1 - 'Read the original file size value: - lngOriSiz = bytaryCpr(lngCprSiz - 1) * (2 ^ 24) _ - + bytaryCpr(lngCprSiz - 2) * (2 ^ 16) _ - + bytaryCpr(lngCprSiz - 3) * (2 ^ 8) _ - + bytaryCpr(lngCprSiz - 4) - ReDim Preserve bytaryCpr(lngCprSiz - 5) 'Cut of the original size value - ReDim bytaryOri(lngOriSiz - 1) - If lngfncUcp(bytaryOri(0), lngOriSiz, bytaryCpr(0), lngCprSiz) = SUCCESS -Then - strOriPth = Left(strargFilPth, Len(strargFilPth) - Len(strFilExt)) - Open strOriPth For Binary Access Write As #1 - Put #1, , bytaryOri() - Close #1 - Else - MsgBox "Uncompression error" - End If - Erase bytaryCpr - Erase bytaryOri -End Sub -Public Property Get lngPercentSmaller() As Long - lngPercentSmaller = lngpvtPcnSml -End Property diff --git a/deps/zlib/os400/README400 b/deps/zlib/os400/README400 deleted file mode 100644 index 4f98334f5ac5f4..00000000000000 --- a/deps/zlib/os400/README400 +++ /dev/null @@ -1,48 +0,0 @@ - ZLIB version 1.2.11 for OS/400 installation instructions - -1) Download and unpack the zlib tarball to some IFS directory. - (i.e.: /path/to/the/zlib/ifs/source/directory) - - If the installed IFS command suppors gzip format, this is straightforward, -else you have to unpack first to some directory on a system supporting it, -then move the whole directory to the IFS via the network (via SMB or FTP). - -2) Edit the configuration parameters in the compilation script. - - EDTF STMF('/path/to/the/zlib/ifs/source/directory/os400/make.sh') - -Tune the parameters according to your needs if not matching the defaults. -Save the file and exit after edition. - -3) Enter qshell, then work in the zlib OS/400 specific directory. - - QSH - cd /path/to/the/zlib/ifs/source/directory/os400 - -4) Compile and install - - sh make.sh - -The script will: -- create the libraries, objects and IFS directories for the zlib environment, -- compile all modules, -- create a service program, -- create a static and a dynamic binding directory, -- install header files for C/C++ and for ILE/RPG, both for compilation in - DB2 and IFS environments. - -That's all. - - -Notes: For OS/400 ILE RPG programmers, a /copy member defining the ZLIB - API prototypes for ILE RPG can be found in ZLIB/H(ZLIB.INC). - In the ILE environment, the same definitions are available from - file zlib.inc located in the same IFS include directory as the - C/C++ header files. - Please read comments in this member for more information. - - Remember that most foreign textual data are ASCII coded: this - implementation does not handle conversion from/to ASCII, so - text data code conversions must be done explicitely. - - Mainly for the reason above, always open zipped files in binary mode. diff --git a/deps/zlib/os400/bndsrc b/deps/zlib/os400/bndsrc deleted file mode 100644 index 5e6e0a2f0af3a8..00000000000000 --- a/deps/zlib/os400/bndsrc +++ /dev/null @@ -1,119 +0,0 @@ -STRPGMEXP PGMLVL(*CURRENT) SIGNATURE('ZLIB') - -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ -/* Version 1.1.3 entry points. */ -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ - - EXPORT SYMBOL("adler32") - EXPORT SYMBOL("compress") - EXPORT SYMBOL("compress2") - EXPORT SYMBOL("crc32") - EXPORT SYMBOL("get_crc_table") - EXPORT SYMBOL("deflate") - EXPORT SYMBOL("deflateEnd") - EXPORT SYMBOL("deflateSetDictionary") - EXPORT SYMBOL("deflateCopy") - EXPORT SYMBOL("deflateReset") - EXPORT SYMBOL("deflateParams") - EXPORT SYMBOL("deflatePrime") - EXPORT SYMBOL("deflateInit_") - EXPORT SYMBOL("deflateInit2_") - EXPORT SYMBOL("gzopen") - EXPORT SYMBOL("gzdopen") - EXPORT SYMBOL("gzsetparams") - EXPORT SYMBOL("gzread") - EXPORT SYMBOL("gzwrite") - EXPORT SYMBOL("gzprintf") - EXPORT SYMBOL("gzputs") - EXPORT SYMBOL("gzgets") - EXPORT SYMBOL("gzputc") - EXPORT SYMBOL("gzgetc") - EXPORT SYMBOL("gzflush") - EXPORT SYMBOL("gzseek") - EXPORT SYMBOL("gzrewind") - EXPORT SYMBOL("gztell") - EXPORT SYMBOL("gzeof") - EXPORT SYMBOL("gzclose") - EXPORT SYMBOL("gzerror") - EXPORT SYMBOL("inflate") - EXPORT SYMBOL("inflateEnd") - EXPORT SYMBOL("inflateSetDictionary") - EXPORT SYMBOL("inflateSync") - EXPORT SYMBOL("inflateReset") - EXPORT SYMBOL("inflateInit_") - EXPORT SYMBOL("inflateInit2_") - EXPORT SYMBOL("inflateSyncPoint") - EXPORT SYMBOL("uncompress") - EXPORT SYMBOL("zlibVersion") - EXPORT SYMBOL("zError") - EXPORT SYMBOL("z_errmsg") - -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ -/* Version 1.2.1 additional entry points. */ -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ - - EXPORT SYMBOL("compressBound") - EXPORT SYMBOL("deflateBound") - EXPORT SYMBOL("deflatePending") - EXPORT SYMBOL("gzungetc") - EXPORT SYMBOL("gzclearerr") - EXPORT SYMBOL("inflateBack") - EXPORT SYMBOL("inflateBackEnd") - EXPORT SYMBOL("inflateBackInit_") - EXPORT SYMBOL("inflateCopy") - EXPORT SYMBOL("zlibCompileFlags") - -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ -/* Version 1.2.4 additional entry points. */ -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ - - EXPORT SYMBOL("adler32_combine") - EXPORT SYMBOL("adler32_combine64") - EXPORT SYMBOL("crc32_combine") - EXPORT SYMBOL("crc32_combine64") - EXPORT SYMBOL("deflateSetHeader") - EXPORT SYMBOL("deflateTune") - EXPORT SYMBOL("gzbuffer") - EXPORT SYMBOL("gzclose_r") - EXPORT SYMBOL("gzclose_w") - EXPORT SYMBOL("gzdirect") - EXPORT SYMBOL("gzoffset") - EXPORT SYMBOL("gzoffset64") - EXPORT SYMBOL("gzopen64") - EXPORT SYMBOL("gzseek64") - EXPORT SYMBOL("gztell64") - EXPORT SYMBOL("inflateGetHeader") - EXPORT SYMBOL("inflateMark") - EXPORT SYMBOL("inflatePrime") - EXPORT SYMBOL("inflateReset2") - EXPORT SYMBOL("inflateUndermine") - -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ -/* Version 1.2.6 additional entry points. */ -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ - - EXPORT SYMBOL("deflateResetKeep") - EXPORT SYMBOL("gzgetc_") - EXPORT SYMBOL("inflateResetKeep") - -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ -/* Version 1.2.8 additional entry points. */ -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ - - EXPORT SYMBOL("gzvprintf") - EXPORT SYMBOL("inflateGetDictionary") - -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ -/* Version 1.2.9 additional entry points. */ -/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/ - - EXPORT SYMBOL("adler32_z") - EXPORT SYMBOL("crc32_z") - EXPORT SYMBOL("deflateGetDictionary") - EXPORT SYMBOL("gzfread") - EXPORT SYMBOL("gzfwrite") - EXPORT SYMBOL("inflateCodesUsed") - EXPORT SYMBOL("inflateValidate") - EXPORT SYMBOL("uncompress2") - -ENDPGMEXP diff --git a/deps/zlib/os400/make.sh b/deps/zlib/os400/make.sh deleted file mode 100644 index 19eec117a678ce..00000000000000 --- a/deps/zlib/os400/make.sh +++ /dev/null @@ -1,366 +0,0 @@ -#!/bin/sh -# -# ZLIB compilation script for the OS/400. -# -# -# This is a shell script since make is not a standard component of OS/400. - - -################################################################################ -# -# Tunable configuration parameters. -# -################################################################################ - -TARGETLIB='ZLIB' # Target OS/400 program library -STATBNDDIR='ZLIB_A' # Static binding directory. -DYNBNDDIR='ZLIB' # Dynamic binding directory. -SRVPGM="ZLIB" # Service program. -IFSDIR='/zlib' # IFS support base directory. -TGTCCSID='500' # Target CCSID of objects -DEBUG='*NONE' # Debug level -OPTIMIZE='40' # Optimisation level -OUTPUT='*NONE' # Compilation output option. -TGTRLS='V6R1M0' # Target OS release - -export TARGETLIB STATBNDDIR DYNBNDDIR SRVPGM IFSDIR -export TGTCCSID DEBUG OPTIMIZE OUTPUT TGTRLS - - -################################################################################ -# -# OS/400 specific definitions. -# -################################################################################ - -LIBIFSNAME="/QSYS.LIB/${TARGETLIB}.LIB" - - -################################################################################ -# -# Procedures. -# -################################################################################ - -# action_needed dest [src] -# -# dest is an object to build -# if specified, src is an object on which dest depends. -# -# exit 0 (succeeds) if some action has to be taken, else 1. - -action_needed() - -{ - [ ! -e "${1}" ] && return 0 - [ "${2}" ] || return 1 - [ "${1}" -ot "${2}" ] && return 0 - return 1 -} - - -# make_module module_name source_name [additional_definitions] -# -# Compile source name into module if needed. -# As side effect, append the module name to variable MODULES. -# Set LINK to "YES" if the module has been compiled. - -make_module() - -{ - MODULES="${MODULES} ${1}" - MODIFSNAME="${LIBIFSNAME}/${1}.MODULE" - CSRC="`basename \"${2}\"`" - - if action_needed "${MODIFSNAME}" "${2}" - then : - elif [ ! "`sed -e \"//,/<\\\\/source>/!d\" \ - -e '/ tmphdrfile - - # Need to translate to target CCSID. - - CMD="CPY OBJ('`pwd`/tmphdrfile') TOOBJ('${DEST}')" - CMD="${CMD} TOCCSID(${TGTCCSID}) DTAFMT(*TEXT) REPLACE(*YES)" - system "${CMD}" - # touch -r "${HFILE}" "${DEST}" - rm -f tmphdrfile - fi - - IFSFILE="${IFSDIR}/include/`basename \"${HFILE}\"`" - - if action_needed "${IFSFILE}" "${DEST}" - then rm -f "${IFSFILE}" - ln -s "${DEST}" "${IFSFILE}" - fi -done - - -# Install the ILE/RPG header file. - - -HFILE="${SCRIPTDIR}/zlib.inc" -DEST="${SRCPF}/ZLIB.INC.MBR" - -if action_needed "${DEST}" "${HFILE}" -then CMD="CPY OBJ('${HFILE}') TOOBJ('${DEST}')" - CMD="${CMD} TOCCSID(${TGTCCSID}) DTAFMT(*TEXT) REPLACE(*YES)" - system "${CMD}" - # touch -r "${HFILE}" "${DEST}" -fi - -IFSFILE="${IFSDIR}/include/`basename \"${HFILE}\"`" - -if action_needed "${IFSFILE}" "${DEST}" -then rm -f "${IFSFILE}" - ln -s "${DEST}" "${IFSFILE}" -fi - - -# Create and compile the identification source file. - -echo '#pragma comment(user, "ZLIB version '"${VERSION}"'")' > os400.c -echo '#pragma comment(user, __DATE__)' >> os400.c -echo '#pragma comment(user, __TIME__)' >> os400.c -echo '#pragma comment(copyright, "Copyright (C) 1995-2017 Jean-Loup Gailly, Mark Adler. OS/400 version by P. Monnerat.")' >> os400.c -make_module OS400 os400.c -LINK= # No need to rebuild service program yet. -MODULES= - - -# Get source list. - -CSOURCES=`sed -e '/ + #include +-#include "zlib.h" ++#include "third_party/zlib/zlib.h" + + #if defined(USE_FILE32API) + #define fopen64 fopen +diff --git a/contrib/minizip/iowin32.c b/contrib/minizip/iowin32.c +index 274f39eb1dd2..246ceb91a139 100644 +--- a/contrib/minizip/iowin32.c ++++ b/contrib/minizip/iowin32.c +@@ -26,12 +26,19 @@ + #endif + + ++#ifdef _WIN32_WINNT ++#undef _WIN32_WINNT ++#define _WIN32_WINNT 0x601 ++#endif ++ ++#if _WIN32_WINNT >= _WIN32_WINNT_WIN8 + // see Include/shared/winapifamily.h in the Windows Kit + #if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API))) + #if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP) + #define IOWIN32_USING_WINRT_API 1 + #endif + #endif ++#endif + + voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode)); + uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size)); +diff --git a/contrib/minizip/mztools.c b/contrib/minizip/mztools.c +index 96891c2e0b71..8bf9cca32633 100644 +--- a/contrib/minizip/mztools.c ++++ b/contrib/minizip/mztools.c +@@ -8,7 +8,7 @@ + #include + #include + #include +-#include "zlib.h" ++#include "third_party/zlib/zlib.h" + #include "unzip.h" + + #define READ_8(adr) ((unsigned char)*(adr)) +diff --git a/contrib/minizip/mztools.h b/contrib/minizip/mztools.h +index a49a426ec2fc..f295ffeda6af 100644 +--- a/contrib/minizip/mztools.h ++++ b/contrib/minizip/mztools.h +@@ -12,7 +12,7 @@ extern "C" { + #endif + + #ifndef _ZLIB_H +-#include "zlib.h" ++#include "third_party/zlib/zlib.h" + #endif + + #include "unzip.h" +diff --git a/contrib/minizip/unzip.c b/contrib/minizip/unzip.c +index bcfb9416ec35..199b4723fcfc 100644 +--- a/contrib/minizip/unzip.c ++++ b/contrib/minizip/unzip.c +@@ -72,7 +72,7 @@ + #define NOUNCRYPT + #endif + +-#include "zlib.h" ++#include "third_party/zlib/zlib.h" + #include "unzip.h" + + #ifdef STDC +@@ -1705,11 +1705,6 @@ extern int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len) + + pfile_in_zip_read_info->stream.avail_out = (uInt)len; + +- if ((len>pfile_in_zip_read_info->rest_read_uncompressed) && +- (!(pfile_in_zip_read_info->raw))) +- pfile_in_zip_read_info->stream.avail_out = +- (uInt)pfile_in_zip_read_info->rest_read_uncompressed; +- + if ((len>pfile_in_zip_read_info->rest_read_compressed+ + pfile_in_zip_read_info->stream.avail_in) && + (pfile_in_zip_read_info->raw)) +diff --git a/contrib/minizip/unzip.h b/contrib/minizip/unzip.h +index 2104e3915074..3c0143529b91 100644 +--- a/contrib/minizip/unzip.h ++++ b/contrib/minizip/unzip.h +@@ -48,7 +48,7 @@ extern "C" { + #endif + + #ifndef _ZLIB_H +-#include "zlib.h" ++#include "third_party/zlib/zlib.h" + #endif + + #ifndef _ZLIBIOAPI_H +diff --git a/contrib/minizip/zip.c b/contrib/minizip/zip.c +index 44e88a9cb989..65c0c7251843 100644 +--- a/contrib/minizip/zip.c ++++ b/contrib/minizip/zip.c +@@ -26,7 +26,7 @@ + #include + #include + #include +-#include "zlib.h" ++#include "third_party/zlib/zlib.h" + #include "zip.h" + + #ifdef STDC +diff --git a/contrib/minizip/zip.h b/contrib/minizip/zip.h +index 8aaebb623430..8c06c0aa7bb0 100644 +--- a/contrib/minizip/zip.h ++++ b/contrib/minizip/zip.h +@@ -47,7 +47,7 @@ extern "C" { + //#define HAVE_BZIP2 + + #ifndef _ZLIB_H +-#include "zlib.h" ++#include "third_party/zlib/zlib.h" + #endif + + #ifndef _ZLIBIOAPI_H +diff --git a/gzread.c b/gzread.c +index 956b91ea7d9e..832d3ef98c59 100644 +--- a/gzread.c ++++ b/gzread.c +@@ -443,7 +443,11 @@ z_size_t ZEXPORT gzfread(buf, size, nitems, file) + # undef z_gzgetc + #else + # undef gzgetc ++# ifdef Z_CR_PREFIX_SET ++# define gzgetc Cr_z_gzgetc ++# endif + #endif ++ + int ZEXPORT gzgetc(file) + gzFile file; + { +diff --git a/zconf.h b/zconf.h +index 5e1d68a004e9..a7a815f575a7 100644 +--- a/zconf.h ++++ b/zconf.h +@@ -8,6 +8,10 @@ + #ifndef ZCONF_H + #define ZCONF_H + ++/* ++ * This library is also built as a part of AOSP, which does not need to include ++ * chromeconf.h. This config does not want chromeconf.h, so it can set this ++ * macro to opt out. While this works today, there's no guarantee that building ++ * zlib outside of Chromium keeps working in the future. ++ */ ++#if !defined(CHROMIUM_ZLIB_NO_CHROMECONF) ++/* This include does prefixing as below, but with an updated set of names. Also ++ * sets up export macros in component builds. */ ++#include "chromeconf.h" ++#endif ++ + /* + * If you *really* need a unique prefix for all types and library functions, + * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. +@@ -431,7 +434,7 @@ typedef uLong FAR uLongf; + typedef unsigned long z_crc_t; + #endif + +-#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ ++#if !defined(_WIN32) + # define Z_HAVE_UNISTD_H + #endif + +diff --git a/zlib.h b/zlib.h +index f09cdaf1e054..99fd467f6b1a 100644 +--- a/zlib.h ++++ b/zlib.h +@@ -1824,6 +1824,11 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */ + # undef z_gzgetc + # define z_gzgetc(g) \ + ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g)) ++#elif defined(Z_CR_PREFIX_SET) ++# undef gzgetc ++# define gzgetc(g) \ ++ ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) \ ++ : (Cr_z_gzgetc)(g)) + #else + # define gzgetc(g) \ + ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g)) +@@ -1853,11 +1858,29 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */ + # define z_adler32_combine z_adler32_combine64 + # define z_crc32_combine z_crc32_combine64 + # else ++# ifdef gzopen ++# undef gzopen ++# endif + # define gzopen gzopen64 ++# ifdef gzseek ++# undef gzseek ++# endif + # define gzseek gzseek64 ++# ifdef gztell ++# undef gztell ++# endif + # define gztell gztell64 ++# ifdef gzoffset ++# undef gzoffset ++# endif + # define gzoffset gzoffset64 ++# ifdef adler32_combine ++# undef adler32_combine ++# endif + # define adler32_combine adler32_combine64 ++# ifdef crc32_combine ++# undef crc32_combine ++# endif + # define crc32_combine crc32_combine64 + # endif + # ifndef Z_LARGE64 +diff --git a/zutil.h b/zutil.h +index b079ea6a80f5..80375b8b6109 100644 +--- a/zutil.h ++++ b/zutil.h +@@ -28,6 +28,21 @@ + # include + # include + #endif ++#ifdef NO_ERRNO_H ++# ifdef _WIN32_WCE ++ /* The Microsoft C Run-Time Library for Windows CE doesn't have ++ * errno. We define it as a global variable to simplify porting. ++ * Its value is always 0 and should not be used. We rename it to ++ * avoid conflict with other libraries that use the same workaround. ++ */ ++# define errno z_errno ++# endif ++ extern int errno; ++#else ++# ifndef _WIN32_WCE ++# include ++# endif ++#endif + + #ifdef Z_SOLO + typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */ diff --git a/deps/zlib/patches/0001-simd.patch b/deps/zlib/patches/0001-simd.patch new file mode 100644 index 00000000000000..9434ca0cc4a68c --- /dev/null +++ b/deps/zlib/patches/0001-simd.patch @@ -0,0 +1,1214 @@ +diff --git a/crc32.c b/crc32.c +index 9580440c0e6b..9162429cc7b4 100644 +--- a/crc32.c ++++ b/crc32.c +@@ -28,6 +28,8 @@ + # endif /* !DYNAMIC_CRC_TABLE */ + #endif /* MAKECRCH */ + ++#include "deflate.h" ++#include "x86.h" + #include "zutil.h" /* for STDC and FAR definitions */ + + /* Definitions for doing the crc four data bytes at a time. */ +@@ -440,3 +442,28 @@ uLong ZEXPORT crc32_combine64(crc1, crc2, len2) + { + return crc32_combine_(crc1, crc2, len2); + } ++ ++ZLIB_INTERNAL void crc_reset(deflate_state *const s) ++{ ++ if (x86_cpu_enable_simd) { ++ crc_fold_init(s); ++ return; ++ } ++ s->strm->adler = crc32(0L, Z_NULL, 0); ++} ++ ++ZLIB_INTERNAL void crc_finalize(deflate_state *const s) ++{ ++ if (x86_cpu_enable_simd) ++ s->strm->adler = crc_fold_512to32(s); ++} ++ ++ZLIB_INTERNAL void copy_with_crc(z_streamp strm, Bytef *dst, long size) ++{ ++ if (x86_cpu_enable_simd) { ++ crc_fold_copy(strm->state, dst, strm->next_in, size); ++ return; ++ } ++ zmemcpy(dst, strm->next_in, size); ++ strm->adler = crc32(strm->adler, dst, size); ++} +diff --git a/crc_folding.c b/crc_folding.c +new file mode 100644 +index 000000000000..48d77744aaf4 +--- /dev/null ++++ b/crc_folding.c +@@ -0,0 +1,493 @@ ++/* ++ * Compute the CRC32 using a parallelized folding approach with the PCLMULQDQ ++ * instruction. ++ * ++ * A white paper describing this algorithm can be found at: ++ * http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf ++ * ++ * Copyright (C) 2013 Intel Corporation. All rights reserved. ++ * Authors: ++ * Wajdi Feghali ++ * Jim Guilford ++ * Vinodh Gopal ++ * Erdinc Ozturk ++ * Jim Kukunas ++ * ++ * For conditions of distribution and use, see copyright notice in zlib.h ++ */ ++ ++#include "deflate.h" ++ ++#include ++#include ++#include ++#include ++ ++#define CRC_LOAD(s) \ ++ do { \ ++ __m128i xmm_crc0 = _mm_loadu_si128((__m128i *)s->crc0 + 0);\ ++ __m128i xmm_crc1 = _mm_loadu_si128((__m128i *)s->crc0 + 1);\ ++ __m128i xmm_crc2 = _mm_loadu_si128((__m128i *)s->crc0 + 2);\ ++ __m128i xmm_crc3 = _mm_loadu_si128((__m128i *)s->crc0 + 3);\ ++ __m128i xmm_crc_part = _mm_loadu_si128((__m128i *)s->crc0 + 4); ++ ++#define CRC_SAVE(s) \ ++ _mm_storeu_si128((__m128i *)s->crc0 + 0, xmm_crc0);\ ++ _mm_storeu_si128((__m128i *)s->crc0 + 1, xmm_crc1);\ ++ _mm_storeu_si128((__m128i *)s->crc0 + 2, xmm_crc2);\ ++ _mm_storeu_si128((__m128i *)s->crc0 + 3, xmm_crc3);\ ++ _mm_storeu_si128((__m128i *)s->crc0 + 4, xmm_crc_part);\ ++ } while (0); ++ ++ZLIB_INTERNAL void crc_fold_init(deflate_state *const s) ++{ ++ CRC_LOAD(s) ++ ++ xmm_crc0 = _mm_cvtsi32_si128(0x9db42487); ++ xmm_crc1 = _mm_setzero_si128(); ++ xmm_crc2 = _mm_setzero_si128(); ++ xmm_crc3 = _mm_setzero_si128(); ++ ++ CRC_SAVE(s) ++ ++ s->strm->adler = 0; ++} ++ ++local void fold_1(deflate_state *const s, ++ __m128i *xmm_crc0, __m128i *xmm_crc1, ++ __m128i *xmm_crc2, __m128i *xmm_crc3) ++{ ++ const __m128i xmm_fold4 = _mm_set_epi32( ++ 0x00000001, 0x54442bd4, ++ 0x00000001, 0xc6e41596); ++ ++ __m128i x_tmp3; ++ __m128 ps_crc0, ps_crc3, ps_res; ++ ++ x_tmp3 = *xmm_crc3; ++ ++ *xmm_crc3 = *xmm_crc0; ++ *xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01); ++ *xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x10); ++ ps_crc0 = _mm_castsi128_ps(*xmm_crc0); ++ ps_crc3 = _mm_castsi128_ps(*xmm_crc3); ++ ps_res = _mm_xor_ps(ps_crc0, ps_crc3); ++ ++ *xmm_crc0 = *xmm_crc1; ++ *xmm_crc1 = *xmm_crc2; ++ *xmm_crc2 = x_tmp3; ++ *xmm_crc3 = _mm_castps_si128(ps_res); ++} ++ ++local void fold_2(deflate_state *const s, ++ __m128i *xmm_crc0, __m128i *xmm_crc1, ++ __m128i *xmm_crc2, __m128i *xmm_crc3) ++{ ++ const __m128i xmm_fold4 = _mm_set_epi32( ++ 0x00000001, 0x54442bd4, ++ 0x00000001, 0xc6e41596); ++ ++ __m128i x_tmp3, x_tmp2; ++ __m128 ps_crc0, ps_crc1, ps_crc2, ps_crc3, ps_res31, ps_res20; ++ ++ x_tmp3 = *xmm_crc3; ++ x_tmp2 = *xmm_crc2; ++ ++ *xmm_crc3 = *xmm_crc1; ++ *xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x01); ++ *xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x10); ++ ps_crc3 = _mm_castsi128_ps(*xmm_crc3); ++ ps_crc1 = _mm_castsi128_ps(*xmm_crc1); ++ ps_res31= _mm_xor_ps(ps_crc3, ps_crc1); ++ ++ *xmm_crc2 = *xmm_crc0; ++ *xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01); ++ *xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x10); ++ ps_crc0 = _mm_castsi128_ps(*xmm_crc0); ++ ps_crc2 = _mm_castsi128_ps(*xmm_crc2); ++ ps_res20= _mm_xor_ps(ps_crc0, ps_crc2); ++ ++ *xmm_crc0 = x_tmp2; ++ *xmm_crc1 = x_tmp3; ++ *xmm_crc2 = _mm_castps_si128(ps_res20); ++ *xmm_crc3 = _mm_castps_si128(ps_res31); ++} ++ ++local void fold_3(deflate_state *const s, ++ __m128i *xmm_crc0, __m128i *xmm_crc1, ++ __m128i *xmm_crc2, __m128i *xmm_crc3) ++{ ++ const __m128i xmm_fold4 = _mm_set_epi32( ++ 0x00000001, 0x54442bd4, ++ 0x00000001, 0xc6e41596); ++ ++ __m128i x_tmp3; ++ __m128 ps_crc0, ps_crc1, ps_crc2, ps_crc3, ps_res32, ps_res21, ps_res10; ++ ++ x_tmp3 = *xmm_crc3; ++ ++ *xmm_crc3 = *xmm_crc2; ++ *xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x01); ++ *xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x10); ++ ps_crc2 = _mm_castsi128_ps(*xmm_crc2); ++ ps_crc3 = _mm_castsi128_ps(*xmm_crc3); ++ ps_res32 = _mm_xor_ps(ps_crc2, ps_crc3); ++ ++ *xmm_crc2 = *xmm_crc1; ++ *xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x01); ++ *xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x10); ++ ps_crc1 = _mm_castsi128_ps(*xmm_crc1); ++ ps_crc2 = _mm_castsi128_ps(*xmm_crc2); ++ ps_res21= _mm_xor_ps(ps_crc1, ps_crc2); ++ ++ *xmm_crc1 = *xmm_crc0; ++ *xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01); ++ *xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x10); ++ ps_crc0 = _mm_castsi128_ps(*xmm_crc0); ++ ps_crc1 = _mm_castsi128_ps(*xmm_crc1); ++ ps_res10= _mm_xor_ps(ps_crc0, ps_crc1); ++ ++ *xmm_crc0 = x_tmp3; ++ *xmm_crc1 = _mm_castps_si128(ps_res10); ++ *xmm_crc2 = _mm_castps_si128(ps_res21); ++ *xmm_crc3 = _mm_castps_si128(ps_res32); ++} ++ ++local void fold_4(deflate_state *const s, ++ __m128i *xmm_crc0, __m128i *xmm_crc1, ++ __m128i *xmm_crc2, __m128i *xmm_crc3) ++{ ++ const __m128i xmm_fold4 = _mm_set_epi32( ++ 0x00000001, 0x54442bd4, ++ 0x00000001, 0xc6e41596); ++ ++ __m128i x_tmp0, x_tmp1, x_tmp2, x_tmp3; ++ __m128 ps_crc0, ps_crc1, ps_crc2, ps_crc3; ++ __m128 ps_t0, ps_t1, ps_t2, ps_t3; ++ __m128 ps_res0, ps_res1, ps_res2, ps_res3; ++ ++ x_tmp0 = *xmm_crc0; ++ x_tmp1 = *xmm_crc1; ++ x_tmp2 = *xmm_crc2; ++ x_tmp3 = *xmm_crc3; ++ ++ *xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01); ++ x_tmp0 = _mm_clmulepi64_si128(x_tmp0, xmm_fold4, 0x10); ++ ps_crc0 = _mm_castsi128_ps(*xmm_crc0); ++ ps_t0 = _mm_castsi128_ps(x_tmp0); ++ ps_res0 = _mm_xor_ps(ps_crc0, ps_t0); ++ ++ *xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x01); ++ x_tmp1 = _mm_clmulepi64_si128(x_tmp1, xmm_fold4, 0x10); ++ ps_crc1 = _mm_castsi128_ps(*xmm_crc1); ++ ps_t1 = _mm_castsi128_ps(x_tmp1); ++ ps_res1 = _mm_xor_ps(ps_crc1, ps_t1); ++ ++ *xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x01); ++ x_tmp2 = _mm_clmulepi64_si128(x_tmp2, xmm_fold4, 0x10); ++ ps_crc2 = _mm_castsi128_ps(*xmm_crc2); ++ ps_t2 = _mm_castsi128_ps(x_tmp2); ++ ps_res2 = _mm_xor_ps(ps_crc2, ps_t2); ++ ++ *xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x01); ++ x_tmp3 = _mm_clmulepi64_si128(x_tmp3, xmm_fold4, 0x10); ++ ps_crc3 = _mm_castsi128_ps(*xmm_crc3); ++ ps_t3 = _mm_castsi128_ps(x_tmp3); ++ ps_res3 = _mm_xor_ps(ps_crc3, ps_t3); ++ ++ *xmm_crc0 = _mm_castps_si128(ps_res0); ++ *xmm_crc1 = _mm_castps_si128(ps_res1); ++ *xmm_crc2 = _mm_castps_si128(ps_res2); ++ *xmm_crc3 = _mm_castps_si128(ps_res3); ++} ++ ++local const unsigned zalign(32) pshufb_shf_table[60] = { ++ 0x84838281,0x88878685,0x8c8b8a89,0x008f8e8d, /* shl 15 (16 - 1)/shr1 */ ++ 0x85848382,0x89888786,0x8d8c8b8a,0x01008f8e, /* shl 14 (16 - 3)/shr2 */ ++ 0x86858483,0x8a898887,0x8e8d8c8b,0x0201008f, /* shl 13 (16 - 4)/shr3 */ ++ 0x87868584,0x8b8a8988,0x8f8e8d8c,0x03020100, /* shl 12 (16 - 4)/shr4 */ ++ 0x88878685,0x8c8b8a89,0x008f8e8d,0x04030201, /* shl 11 (16 - 5)/shr5 */ ++ 0x89888786,0x8d8c8b8a,0x01008f8e,0x05040302, /* shl 10 (16 - 6)/shr6 */ ++ 0x8a898887,0x8e8d8c8b,0x0201008f,0x06050403, /* shl 9 (16 - 7)/shr7 */ ++ 0x8b8a8988,0x8f8e8d8c,0x03020100,0x07060504, /* shl 8 (16 - 8)/shr8 */ ++ 0x8c8b8a89,0x008f8e8d,0x04030201,0x08070605, /* shl 7 (16 - 9)/shr9 */ ++ 0x8d8c8b8a,0x01008f8e,0x05040302,0x09080706, /* shl 6 (16 -10)/shr10*/ ++ 0x8e8d8c8b,0x0201008f,0x06050403,0x0a090807, /* shl 5 (16 -11)/shr11*/ ++ 0x8f8e8d8c,0x03020100,0x07060504,0x0b0a0908, /* shl 4 (16 -12)/shr12*/ ++ 0x008f8e8d,0x04030201,0x08070605,0x0c0b0a09, /* shl 3 (16 -13)/shr13*/ ++ 0x01008f8e,0x05040302,0x09080706,0x0d0c0b0a, /* shl 2 (16 -14)/shr14*/ ++ 0x0201008f,0x06050403,0x0a090807,0x0e0d0c0b /* shl 1 (16 -15)/shr15*/ ++}; ++ ++local void partial_fold(deflate_state *const s, const size_t len, ++ __m128i *xmm_crc0, __m128i *xmm_crc1, ++ __m128i *xmm_crc2, __m128i *xmm_crc3, ++ __m128i *xmm_crc_part) ++{ ++ ++ const __m128i xmm_fold4 = _mm_set_epi32( ++ 0x00000001, 0x54442bd4, ++ 0x00000001, 0xc6e41596); ++ const __m128i xmm_mask3 = _mm_set1_epi32(0x80808080); ++ ++ __m128i xmm_shl, xmm_shr, xmm_tmp1, xmm_tmp2, xmm_tmp3; ++ __m128i xmm_a0_0, xmm_a0_1; ++ __m128 ps_crc3, psa0_0, psa0_1, ps_res; ++ ++ xmm_shl = _mm_load_si128((__m128i *)pshufb_shf_table + (len - 1)); ++ xmm_shr = xmm_shl; ++ xmm_shr = _mm_xor_si128(xmm_shr, xmm_mask3); ++ ++ xmm_a0_0 = _mm_shuffle_epi8(*xmm_crc0, xmm_shl); ++ ++ *xmm_crc0 = _mm_shuffle_epi8(*xmm_crc0, xmm_shr); ++ xmm_tmp1 = _mm_shuffle_epi8(*xmm_crc1, xmm_shl); ++ *xmm_crc0 = _mm_or_si128(*xmm_crc0, xmm_tmp1); ++ ++ *xmm_crc1 = _mm_shuffle_epi8(*xmm_crc1, xmm_shr); ++ xmm_tmp2 = _mm_shuffle_epi8(*xmm_crc2, xmm_shl); ++ *xmm_crc1 = _mm_or_si128(*xmm_crc1, xmm_tmp2); ++ ++ *xmm_crc2 = _mm_shuffle_epi8(*xmm_crc2, xmm_shr); ++ xmm_tmp3 = _mm_shuffle_epi8(*xmm_crc3, xmm_shl); ++ *xmm_crc2 = _mm_or_si128(*xmm_crc2, xmm_tmp3); ++ ++ *xmm_crc3 = _mm_shuffle_epi8(*xmm_crc3, xmm_shr); ++ *xmm_crc_part = _mm_shuffle_epi8(*xmm_crc_part, xmm_shl); ++ *xmm_crc3 = _mm_or_si128(*xmm_crc3, *xmm_crc_part); ++ ++ xmm_a0_1 = _mm_clmulepi64_si128(xmm_a0_0, xmm_fold4, 0x10); ++ xmm_a0_0 = _mm_clmulepi64_si128(xmm_a0_0, xmm_fold4, 0x01); ++ ++ ps_crc3 = _mm_castsi128_ps(*xmm_crc3); ++ psa0_0 = _mm_castsi128_ps(xmm_a0_0); ++ psa0_1 = _mm_castsi128_ps(xmm_a0_1); ++ ++ ps_res = _mm_xor_ps(ps_crc3, psa0_0); ++ ps_res = _mm_xor_ps(ps_res, psa0_1); ++ ++ *xmm_crc3 = _mm_castps_si128(ps_res); ++} ++ ++ZLIB_INTERNAL void crc_fold_copy(deflate_state *const s, ++ unsigned char *dst, const unsigned char *src, long len) ++{ ++ unsigned long algn_diff; ++ __m128i xmm_t0, xmm_t1, xmm_t2, xmm_t3; ++ ++ CRC_LOAD(s) ++ ++ if (len < 16) { ++ if (len == 0) ++ return; ++ goto partial; ++ } ++ ++ algn_diff = 0 - (uintptr_t)src & 0xF; ++ if (algn_diff) { ++ xmm_crc_part = _mm_loadu_si128((__m128i *)src); ++ _mm_storeu_si128((__m128i *)dst, xmm_crc_part); ++ ++ dst += algn_diff; ++ src += algn_diff; ++ len -= algn_diff; ++ ++ partial_fold(s, algn_diff, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3, ++ &xmm_crc_part); ++ } ++ ++ while ((len -= 64) >= 0) { ++ xmm_t0 = _mm_load_si128((__m128i *)src); ++ xmm_t1 = _mm_load_si128((__m128i *)src + 1); ++ xmm_t2 = _mm_load_si128((__m128i *)src + 2); ++ xmm_t3 = _mm_load_si128((__m128i *)src + 3); ++ ++ fold_4(s, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3); ++ ++ _mm_storeu_si128((__m128i *)dst, xmm_t0); ++ _mm_storeu_si128((__m128i *)dst + 1, xmm_t1); ++ _mm_storeu_si128((__m128i *)dst + 2, xmm_t2); ++ _mm_storeu_si128((__m128i *)dst + 3, xmm_t3); ++ ++ xmm_crc0 = _mm_xor_si128(xmm_crc0, xmm_t0); ++ xmm_crc1 = _mm_xor_si128(xmm_crc1, xmm_t1); ++ xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_t2); ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t3); ++ ++ src += 64; ++ dst += 64; ++ } ++ ++ /* ++ * len = num bytes left - 64 ++ */ ++ if (len + 16 >= 0) { ++ len += 16; ++ ++ xmm_t0 = _mm_load_si128((__m128i *)src); ++ xmm_t1 = _mm_load_si128((__m128i *)src + 1); ++ xmm_t2 = _mm_load_si128((__m128i *)src + 2); ++ ++ fold_3(s, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3); ++ ++ _mm_storeu_si128((__m128i *)dst, xmm_t0); ++ _mm_storeu_si128((__m128i *)dst + 1, xmm_t1); ++ _mm_storeu_si128((__m128i *)dst + 2, xmm_t2); ++ ++ xmm_crc1 = _mm_xor_si128(xmm_crc1, xmm_t0); ++ xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_t1); ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t2); ++ ++ if (len == 0) ++ goto done; ++ ++ dst += 48; ++ src += 48; ++ } else if (len + 32 >= 0) { ++ len += 32; ++ ++ xmm_t0 = _mm_load_si128((__m128i *)src); ++ xmm_t1 = _mm_load_si128((__m128i *)src + 1); ++ ++ fold_2(s, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3); ++ ++ _mm_storeu_si128((__m128i *)dst, xmm_t0); ++ _mm_storeu_si128((__m128i *)dst + 1, xmm_t1); ++ ++ xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_t0); ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t1); ++ ++ if (len == 0) ++ goto done; ++ ++ dst += 32; ++ src += 32; ++ } else if (len + 48 >= 0) { ++ len += 48; ++ ++ xmm_t0 = _mm_load_si128((__m128i *)src); ++ ++ fold_1(s, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3); ++ ++ _mm_storeu_si128((__m128i *)dst, xmm_t0); ++ ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t0); ++ ++ if (len == 0) ++ goto done; ++ ++ dst += 16; ++ src += 16; ++ } else { ++ len += 64; ++ if (len == 0) ++ goto done; ++ } ++ ++partial: ++ ++#if defined(_MSC_VER) ++ /* VS does not permit the use of _mm_set_epi64x in 32-bit builds */ ++ { ++ int32_t parts[4] = {0, 0, 0, 0}; ++ memcpy(&parts, src, len); ++ xmm_crc_part = _mm_set_epi32(parts[3], parts[2], parts[1], parts[0]); ++ } ++#else ++ { ++ int64_t parts[2] = {0, 0}; ++ memcpy(&parts, src, len); ++ xmm_crc_part = _mm_set_epi64x(parts[1], parts[0]); ++ } ++#endif ++ ++ _mm_storeu_si128((__m128i *)dst, xmm_crc_part); ++ partial_fold(s, len, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3, ++ &xmm_crc_part); ++done: ++ CRC_SAVE(s) ++} ++ ++local const unsigned zalign(16) crc_k[] = { ++ 0xccaa009e, 0x00000000, /* rk1 */ ++ 0x751997d0, 0x00000001, /* rk2 */ ++ 0xccaa009e, 0x00000000, /* rk5 */ ++ 0x63cd6124, 0x00000001, /* rk6 */ ++ 0xf7011640, 0x00000001, /* rk7 */ ++ 0xdb710640, 0x00000001 /* rk8 */ ++}; ++ ++local const unsigned zalign(16) crc_mask[4] = { ++ 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000 ++}; ++ ++local const unsigned zalign(16) crc_mask2[4] = { ++ 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF ++}; ++ ++unsigned ZLIB_INTERNAL crc_fold_512to32(deflate_state *const s) ++{ ++ const __m128i xmm_mask = _mm_load_si128((__m128i *)crc_mask); ++ const __m128i xmm_mask2 = _mm_load_si128((__m128i *)crc_mask2); ++ ++ unsigned crc; ++ __m128i x_tmp0, x_tmp1, x_tmp2, crc_fold; ++ ++ CRC_LOAD(s) ++ ++ /* ++ * k1 ++ */ ++ crc_fold = _mm_load_si128((__m128i *)crc_k); ++ ++ x_tmp0 = _mm_clmulepi64_si128(xmm_crc0, crc_fold, 0x10); ++ xmm_crc0 = _mm_clmulepi64_si128(xmm_crc0, crc_fold, 0x01); ++ xmm_crc1 = _mm_xor_si128(xmm_crc1, x_tmp0); ++ xmm_crc1 = _mm_xor_si128(xmm_crc1, xmm_crc0); ++ ++ x_tmp1 = _mm_clmulepi64_si128(xmm_crc1, crc_fold, 0x10); ++ xmm_crc1 = _mm_clmulepi64_si128(xmm_crc1, crc_fold, 0x01); ++ xmm_crc2 = _mm_xor_si128(xmm_crc2, x_tmp1); ++ xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_crc1); ++ ++ x_tmp2 = _mm_clmulepi64_si128(xmm_crc2, crc_fold, 0x10); ++ xmm_crc2 = _mm_clmulepi64_si128(xmm_crc2, crc_fold, 0x01); ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, x_tmp2); ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc2); ++ ++ /* ++ * k5 ++ */ ++ crc_fold = _mm_load_si128((__m128i *)crc_k + 1); ++ ++ xmm_crc0 = xmm_crc3; ++ xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0); ++ xmm_crc0 = _mm_srli_si128(xmm_crc0, 8); ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc0); ++ ++ xmm_crc0 = xmm_crc3; ++ xmm_crc3 = _mm_slli_si128(xmm_crc3, 4); ++ xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0x10); ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc0); ++ xmm_crc3 = _mm_and_si128(xmm_crc3, xmm_mask2); ++ ++ /* ++ * k7 ++ */ ++ xmm_crc1 = xmm_crc3; ++ xmm_crc2 = xmm_crc3; ++ crc_fold = _mm_load_si128((__m128i *)crc_k + 2); ++ ++ xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0); ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc2); ++ xmm_crc3 = _mm_and_si128(xmm_crc3, xmm_mask); ++ ++ xmm_crc2 = xmm_crc3; ++ xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0x10); ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc2); ++ xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc1); ++ ++ crc = _mm_extract_epi32(xmm_crc3, 2); ++ return ~crc; ++ CRC_SAVE(s) ++} +diff --git a/deflate.c b/deflate.c +index 1ec761448de9..aa0c9c67a6dc 100644 +--- a/deflate.c ++++ b/deflate.c +@@ -48,8 +48,9 @@ + */ + + /* @(#) $Id$ */ +- ++#include + #include "deflate.h" ++#include "x86.h" + + const char deflate_copyright[] = + " deflate 1.2.11 Copyright 1995-2017 Jean-loup Gailly and Mark Adler "; +@@ -86,7 +87,7 @@ local block_state deflate_huff OF((deflate_state *s, int flush)); + local void lm_init OF((deflate_state *s)); + local void putShortMSB OF((deflate_state *s, uInt b)); + local void flush_pending OF((z_streamp strm)); +-local unsigned read_buf OF((z_streamp strm, Bytef *buf, unsigned size)); ++unsigned ZLIB_INTERNAL deflate_read_buf OF((z_streamp strm, Bytef *buf, unsigned size)); + #ifdef ASMV + # pragma message("Assembler code may have bugs -- use at your own risk") + void match_init OF((void)); /* asm code initialization */ +@@ -100,6 +101,20 @@ local void check_match OF((deflate_state *s, IPos start, IPos match, + int length)); + #endif + ++/* From crc32.c */ ++extern void ZLIB_INTERNAL crc_reset(deflate_state *const s); ++extern void ZLIB_INTERNAL crc_finalize(deflate_state *const s); ++extern void ZLIB_INTERNAL copy_with_crc(z_streamp strm, Bytef *dst, long size); ++ ++#ifdef _MSC_VER ++#define INLINE __inline ++#else ++#define INLINE inline ++#endif ++ ++/* Inline optimisation */ ++local INLINE Pos insert_string_sse(deflate_state *const s, const Pos str); ++ + /* =========================================================================== + * Local data + */ +@@ -162,7 +177,6 @@ local const config configuration_table[10] = { + */ + #define UPDATE_HASH(s,h,c) (h = (((h)<hash_shift) ^ (c)) & s->hash_mask) + +- + /* =========================================================================== + * Insert string str in the dictionary and set match_head to the previous head + * of the hash chain (the most recent string with same hash key). Return +@@ -173,17 +187,28 @@ local const config configuration_table[10] = { + * characters and the first MIN_MATCH bytes of str are valid (except for + * the last MIN_MATCH-1 bytes of the input file). + */ ++local INLINE Pos insert_string_c(deflate_state *const s, const Pos str) ++{ ++ Pos ret; ++ ++ UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]); + #ifdef FASTEST +-#define INSERT_STRING(s, str, match_head) \ +- (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ +- match_head = s->head[s->ins_h], \ +- s->head[s->ins_h] = (Pos)(str)) ++ ret = s->head[s->ins_h]; + #else +-#define INSERT_STRING(s, str, match_head) \ +- (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ +- match_head = s->prev[(str) & s->w_mask] = s->head[s->ins_h], \ +- s->head[s->ins_h] = (Pos)(str)) ++ ret = s->prev[str & s->w_mask] = s->head[s->ins_h]; + #endif ++ s->head[s->ins_h] = str; ++ ++ return ret; ++} ++ ++local INLINE Pos insert_string(deflate_state *const s, const Pos str) ++{ ++ if (x86_cpu_enable_simd) ++ return insert_string_sse(s, str); ++ return insert_string_c(s, str); ++} ++ + + /* =========================================================================== + * Initialize the hash table (avoiding 64K overflow for 16 bit systems). +@@ -248,6 +273,7 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, + const char *version; + int stream_size; + { ++ unsigned window_padding = 8; + deflate_state *s; + int wrap = 1; + static const char my_version[] = ZLIB_VERSION; +@@ -257,6 +283,8 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, + * output size for (length,distance) codes is <= 24 bits. + */ + ++ x86_check_features(); ++ + if (version == Z_NULL || version[0] != my_version[0] || + stream_size != sizeof(z_stream)) { + return Z_VERSION_ERROR; +@@ -313,12 +341,19 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, + s->w_size = 1 << s->w_bits; + s->w_mask = s->w_size - 1; + +- s->hash_bits = (uInt)memLevel + 7; ++ if (x86_cpu_enable_simd) { ++ s->hash_bits = 15; ++ } else { ++ s->hash_bits = memLevel + 7; ++ } ++ + s->hash_size = 1 << s->hash_bits; + s->hash_mask = s->hash_size - 1; + s->hash_shift = ((s->hash_bits+MIN_MATCH-1)/MIN_MATCH); + +- s->window = (Bytef *) ZALLOC(strm, s->w_size, 2*sizeof(Byte)); ++ s->window = (Bytef *) ZALLOC(strm, ++ s->w_size + window_padding, ++ 2*sizeof(Byte)); + s->prev = (Posf *) ZALLOC(strm, s->w_size, sizeof(Pos)); + s->head = (Posf *) ZALLOC(strm, s->hash_size, sizeof(Pos)); + +@@ -418,11 +453,7 @@ int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength) + str = s->strstart; + n = s->lookahead - (MIN_MATCH-1); + do { +- UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); +-#ifndef FASTEST +- s->prev[str & s->w_mask] = s->head[s->ins_h]; +-#endif +- s->head[s->ins_h] = (Pos)str; ++ insert_string(s, str); + str++; + } while (--n); + s->strstart = str; +@@ -848,7 +879,7 @@ int ZEXPORT deflate (strm, flush) + #ifdef GZIP + if (s->status == GZIP_STATE) { + /* gzip header */ +- strm->adler = crc32(0L, Z_NULL, 0); ++ crc_reset(s); + put_byte(s, 31); + put_byte(s, 139); + put_byte(s, 8); +@@ -1049,6 +1080,7 @@ int ZEXPORT deflate (strm, flush) + /* Write the trailer */ + #ifdef GZIP + if (s->wrap == 2) { ++ crc_finalize(s); + put_byte(s, (Byte)(strm->adler & 0xff)); + put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); + put_byte(s, (Byte)((strm->adler >> 16) & 0xff)); +@@ -1161,7 +1193,7 @@ int ZEXPORT deflateCopy (dest, source) + * allocating a large strm->next_in buffer and copying from it. + * (See also flush_pending()). + */ +-local unsigned read_buf(strm, buf, size) ++ZLIB_INTERNAL unsigned deflate_read_buf(strm, buf, size) + z_streamp strm; + Bytef *buf; + unsigned size; +@@ -1173,15 +1205,16 @@ local unsigned read_buf(strm, buf, size) + + strm->avail_in -= len; + +- zmemcpy(buf, strm->next_in, len); +- if (strm->state->wrap == 1) { +- strm->adler = adler32(strm->adler, buf, len); +- } + #ifdef GZIP +- else if (strm->state->wrap == 2) { +- strm->adler = crc32(strm->adler, buf, len); +- } ++ if (strm->state->wrap == 2) ++ copy_with_crc(strm, buf, len); ++ else + #endif ++ { ++ zmemcpy(buf, strm->next_in, len); ++ if (strm->state->wrap == 1) ++ strm->adler = adler32(strm->adler, buf, len); ++ } + strm->next_in += len; + strm->total_in += len; + +@@ -1479,7 +1512,19 @@ local void check_match(s, start, match, length) + * performed for at least two bytes (required for the zip translate_eol + * option -- not supported here). + */ +-local void fill_window(s) ++local void fill_window_c(deflate_state *s); ++ ++local void fill_window(deflate_state *s) ++{ ++ if (x86_cpu_enable_simd) { ++ fill_window_sse(s); ++ return; ++ } ++ ++ fill_window_c(s); ++} ++ ++local void fill_window_c(s) + deflate_state *s; + { + unsigned n; +@@ -1847,7 +1892,7 @@ local block_state deflate_fast(s, flush) + */ + hash_head = NIL; + if (s->lookahead >= MIN_MATCH) { +- INSERT_STRING(s, s->strstart, hash_head); ++ hash_head = insert_string(s, s->strstart); + } + + /* Find the longest match, discarding those <= prev_length. +@@ -1878,7 +1923,7 @@ local block_state deflate_fast(s, flush) + s->match_length--; /* string at strstart already in table */ + do { + s->strstart++; +- INSERT_STRING(s, s->strstart, hash_head); ++ hash_head = insert_string(s, s->strstart); + /* strstart never exceeds WSIZE-MAX_MATCH, so there are + * always MIN_MATCH bytes ahead. + */ +@@ -1950,7 +1995,7 @@ local block_state deflate_slow(s, flush) + */ + hash_head = NIL; + if (s->lookahead >= MIN_MATCH) { +- INSERT_STRING(s, s->strstart, hash_head); ++ hash_head = insert_string(s, s->strstart); + } + + /* Find the longest match, discarding those <= prev_length. +@@ -2001,7 +2046,7 @@ local block_state deflate_slow(s, flush) + s->prev_length -= 2; + do { + if (++s->strstart <= max_insert) { +- INSERT_STRING(s, s->strstart, hash_head); ++ hash_head = insert_string(s, s->strstart); + } + } while (--s->prev_length != 0); + s->match_available = 0; +@@ -2161,3 +2206,37 @@ local block_state deflate_huff(s, flush) + FLUSH_BLOCK(s, 0); + return block_done; + } ++ ++/* Safe to inline this as GCC/clang will use inline asm and Visual Studio will ++ * use intrinsic without extra params ++ */ ++local INLINE Pos insert_string_sse(deflate_state *const s, const Pos str) ++{ ++ Pos ret; ++ unsigned *ip, val, h = 0; ++ ++ ip = (unsigned *)&s->window[str]; ++ val = *ip; ++ ++ if (s->level >= 6) ++ val &= 0xFFFFFF; ++ ++/* Windows clang should use inline asm */ ++#if defined(_MSC_VER) && !defined(__clang__) ++ h = _mm_crc32_u32(h, val); ++#elif defined(__i386__) || defined(__amd64__) ++ __asm__ __volatile__ ( ++ "crc32 %1,%0\n\t" ++ : "+r" (h) ++ : "r" (val) ++ ); ++#else ++ /* This should never happen */ ++ assert(0); ++#endif ++ ++ ret = s->head[h & s->hash_mask]; ++ s->head[h & s->hash_mask] = str; ++ s->prev[str & s->w_mask] = ret; ++ return ret; ++} +diff --git a/deflate.h b/deflate.h +index 23ecdd312bc0..ab56df7663b6 100644 +--- a/deflate.h ++++ b/deflate.h +@@ -109,7 +109,7 @@ typedef struct internal_state { + ulg gzindex; /* where in extra, name, or comment */ + Byte method; /* can only be DEFLATED */ + int last_flush; /* value of flush param for previous deflate call */ +- ++ unsigned zalign(16) crc0[4 * 5]; + /* used by deflate.c: */ + + uInt w_size; /* LZ77 window size (32K by default) */ +@@ -346,4 +346,14 @@ void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf, + flush = _tr_tally(s, distance, length) + #endif + ++/* Functions that are SIMD optimised on x86 */ ++void ZLIB_INTERNAL crc_fold_init(deflate_state* const s); ++void ZLIB_INTERNAL crc_fold_copy(deflate_state* const s, ++ unsigned char* dst, ++ const unsigned char* src, ++ long len); ++unsigned ZLIB_INTERNAL crc_fold_512to32(deflate_state* const s); ++ ++void ZLIB_INTERNAL fill_window_sse(deflate_state* s); ++ + #endif /* DEFLATE_H */ +diff --git a/fill_window_sse.c b/fill_window_sse.c +new file mode 100644 +index 000000000000..949ccce1ba9c +--- /dev/null ++++ b/fill_window_sse.c +@@ -0,0 +1,177 @@ ++/* ++ * Fill Window with SSE2-optimized hash shifting ++ * ++ * Copyright (C) 2013 Intel Corporation ++ * Authors: ++ * Arjan van de Ven ++ * Jim Kukunas ++ * ++ * For conditions of distribution and use, see copyright notice in zlib.h ++ */ ++ ++#include ++#include "deflate.h" ++ ++#define UPDATE_HASH(s,h,i) \ ++ {\ ++ if (s->level < 6) { \ ++ h = (3483 * (s->window[i]) +\ ++ 23081* (s->window[i+1]) +\ ++ 6954 * (s->window[i+2]) +\ ++ 20947* (s->window[i+3])) & s->hash_mask;\ ++ } else {\ ++ h = (25881* (s->window[i]) +\ ++ 24674* (s->window[i+1]) +\ ++ 25811* (s->window[i+2])) & s->hash_mask;\ ++ }\ ++ }\ ++ ++extern int deflate_read_buf OF((z_streamp strm, Bytef *buf, unsigned size)); ++ ++void fill_window_sse(deflate_state *s) ++{ ++ const __m128i xmm_wsize = _mm_set1_epi16(s->w_size); ++ ++ register unsigned n; ++ register Posf *p; ++ unsigned more; /* Amount of free space at the end of the window. */ ++ uInt wsize = s->w_size; ++ ++ Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead"); ++ ++ do { ++ more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart); ++ ++ /* Deal with !@#$% 64K limit: */ ++ if (sizeof(int) <= 2) { ++ if (more == 0 && s->strstart == 0 && s->lookahead == 0) { ++ more = wsize; ++ ++ } else if (more == (unsigned)(-1)) { ++ /* Very unlikely, but possible on 16 bit machine if ++ * strstart == 0 && lookahead == 1 (input done a byte at time) ++ */ ++ more--; ++ } ++ } ++ ++ /* If the window is almost full and there is insufficient lookahead, ++ * move the upper half to the lower one to make room in the upper half. ++ */ ++ if (s->strstart >= wsize+MAX_DIST(s)) { ++ ++ zmemcpy(s->window, s->window+wsize, (unsigned)wsize); ++ s->match_start -= wsize; ++ s->strstart -= wsize; /* we now have strstart >= MAX_DIST */ ++ s->block_start -= (long) wsize; ++ ++ /* Slide the hash table (could be avoided with 32 bit values ++ at the expense of memory usage). We slide even when level == 0 ++ to keep the hash table consistent if we switch back to level > 0 ++ later. (Using level 0 permanently is not an optimal usage of ++ zlib, so we don't care about this pathological case.) ++ */ ++ n = s->hash_size; ++ p = &s->head[n]; ++ p -= 8; ++ do { ++ __m128i value, result; ++ ++ value = _mm_loadu_si128((__m128i *)p); ++ result = _mm_subs_epu16(value, xmm_wsize); ++ _mm_storeu_si128((__m128i *)p, result); ++ ++ p -= 8; ++ n -= 8; ++ } while (n > 0); ++ ++ n = wsize; ++#ifndef FASTEST ++ p = &s->prev[n]; ++ p -= 8; ++ do { ++ __m128i value, result; ++ ++ value = _mm_loadu_si128((__m128i *)p); ++ result = _mm_subs_epu16(value, xmm_wsize); ++ _mm_storeu_si128((__m128i *)p, result); ++ ++ p -= 8; ++ n -= 8; ++ } while (n > 0); ++#endif ++ more += wsize; ++ } ++ if (s->strm->avail_in == 0) break; ++ ++ /* If there was no sliding: ++ * strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 && ++ * more == window_size - lookahead - strstart ++ * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1) ++ * => more >= window_size - 2*WSIZE + 2 ++ * In the BIG_MEM or MMAP case (not yet supported), ++ * window_size == input_size + MIN_LOOKAHEAD && ++ * strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD. ++ * Otherwise, window_size == 2*WSIZE so more >= 2. ++ * If there was sliding, more >= WSIZE. So in all cases, more >= 2. ++ */ ++ Assert(more >= 2, "more < 2"); ++ ++ n = deflate_read_buf(s->strm, ++ s->window + s->strstart + s->lookahead, ++ more); ++ s->lookahead += n; ++ ++ /* Initialize the hash value now that we have some input: */ ++ if (s->lookahead >= MIN_MATCH) { ++ uInt str = s->strstart; ++ s->ins_h = s->window[str]; ++ if (str >= 1) ++ UPDATE_HASH(s, s->ins_h, str + 1 - (MIN_MATCH-1)); ++#if MIN_MATCH != 3 ++ Call UPDATE_HASH() MIN_MATCH-3 more times ++#endif ++ } ++ /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage, ++ * but this is not important since only literal bytes will be emitted. ++ */ ++ ++ } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0); ++ ++ /* If the WIN_INIT bytes after the end of the current data have never been ++ * written, then zero those bytes in order to avoid memory check reports of ++ * the use of uninitialized (or uninitialised as Julian writes) bytes by ++ * the longest match routines. Update the high water mark for the next ++ * time through here. WIN_INIT is set to MAX_MATCH since the longest match ++ * routines allow scanning to strstart + MAX_MATCH, ignoring lookahead. ++ */ ++ if (s->high_water < s->window_size) { ++ ulg curr = s->strstart + (ulg)(s->lookahead); ++ ulg init; ++ ++ if (s->high_water < curr) { ++ /* Previous high water mark below current data -- zero WIN_INIT ++ * bytes or up to end of window, whichever is less. ++ */ ++ init = s->window_size - curr; ++ if (init > WIN_INIT) ++ init = WIN_INIT; ++ zmemzero(s->window + curr, (unsigned)init); ++ s->high_water = curr + init; ++ } ++ else if (s->high_water < (ulg)curr + WIN_INIT) { ++ /* High water mark at or above current data, but below current data ++ * plus WIN_INIT -- zero out to current data plus WIN_INIT, or up ++ * to end of window, whichever is less. ++ */ ++ init = (ulg)curr + WIN_INIT - s->high_water; ++ if (init > s->window_size - s->high_water) ++ init = s->window_size - s->high_water; ++ zmemzero(s->window + s->high_water, (unsigned)init); ++ s->high_water += init; ++ } ++ } ++ ++ Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD, ++ "not enough room for search"); ++} +diff --git a/simd_stub.c b/simd_stub.c +new file mode 100644 +index 000000000000..c6d46051498f +--- /dev/null ++++ b/simd_stub.c +@@ -0,0 +1,35 @@ ++/* simd_stub.c -- stub implementations ++* Copyright (C) 2014 Intel Corporation ++* For conditions of distribution and use, see copyright notice in zlib.h ++*/ ++#include ++ ++#include "deflate.h" ++#include "x86.h" ++ ++int ZLIB_INTERNAL x86_cpu_enable_simd = 0; ++ ++void ZLIB_INTERNAL crc_fold_init(deflate_state *const s) { ++ assert(0); ++} ++ ++void ZLIB_INTERNAL crc_fold_copy(deflate_state *const s, ++ unsigned char *dst, ++ const unsigned char *src, ++ long len) { ++ assert(0); ++} ++ ++unsigned ZLIB_INTERNAL crc_fold_512to32(deflate_state *const s) { ++ assert(0); ++ return 0; ++} ++ ++void ZLIB_INTERNAL fill_window_sse(deflate_state *s) ++{ ++ assert(0); ++} ++ ++void x86_check_features(void) ++{ ++} +diff --git a/x86.c b/x86.c +new file mode 100644 +index 000000000000..e56fe8b85a39 +--- /dev/null ++++ b/x86.c +@@ -0,0 +1,92 @@ ++/* ++ * x86 feature check ++ * ++ * Copyright (C) 2013 Intel Corporation. All rights reserved. ++ * Author: ++ * Jim Kukunas ++ * ++ * For conditions of distribution and use, see copyright notice in zlib.h ++ */ ++ ++#include "x86.h" ++#include "zutil.h" ++ ++int ZLIB_INTERNAL x86_cpu_enable_simd = 0; ++ ++#ifndef _MSC_VER ++#include ++ ++pthread_once_t cpu_check_inited_once = PTHREAD_ONCE_INIT; ++static void _x86_check_features(void); ++ ++void x86_check_features(void) ++{ ++ pthread_once(&cpu_check_inited_once, _x86_check_features); ++} ++ ++static void _x86_check_features(void) ++{ ++ int x86_cpu_has_sse2; ++ int x86_cpu_has_sse42; ++ int x86_cpu_has_pclmulqdq; ++ unsigned eax, ebx, ecx, edx; ++ ++ eax = 1; ++#ifdef __i386__ ++ __asm__ __volatile__ ( ++ "xchg %%ebx, %1\n\t" ++ "cpuid\n\t" ++ "xchg %1, %%ebx\n\t" ++ : "+a" (eax), "=S" (ebx), "=c" (ecx), "=d" (edx) ++ ); ++#else ++ __asm__ __volatile__ ( ++ "cpuid\n\t" ++ : "+a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) ++ ); ++#endif /* (__i386__) */ ++ ++ x86_cpu_has_sse2 = edx & 0x4000000; ++ x86_cpu_has_sse42 = ecx & 0x100000; ++ x86_cpu_has_pclmulqdq = ecx & 0x2; ++ ++ x86_cpu_enable_simd = x86_cpu_has_sse2 && ++ x86_cpu_has_sse42 && ++ x86_cpu_has_pclmulqdq; ++} ++#else ++#include ++#include ++ ++static BOOL CALLBACK _x86_check_features(PINIT_ONCE once, ++ PVOID param, ++ PVOID *context); ++static INIT_ONCE cpu_check_inited_once = INIT_ONCE_STATIC_INIT; ++ ++void x86_check_features(void) ++{ ++ InitOnceExecuteOnce(&cpu_check_inited_once, _x86_check_features, ++ NULL, NULL); ++} ++ ++static BOOL CALLBACK _x86_check_features(PINIT_ONCE once, ++ PVOID param, ++ PVOID *context) ++{ ++ int x86_cpu_has_sse2; ++ int x86_cpu_has_sse42; ++ int x86_cpu_has_pclmulqdq; ++ int regs[4]; ++ ++ __cpuid(regs, 1); ++ ++ x86_cpu_has_sse2 = regs[3] & 0x4000000; ++ x86_cpu_has_sse42= regs[2] & 0x100000; ++ x86_cpu_has_pclmulqdq = regs[2] & 0x2; ++ ++ x86_cpu_enable_simd = x86_cpu_has_sse2 && ++ x86_cpu_has_sse42 && ++ x86_cpu_has_pclmulqdq; ++ return TRUE; ++} ++#endif /* _MSC_VER */ +diff --git a/x86.h b/x86.h +new file mode 100644 +index 000000000000..ebcf10ab09d2 +--- /dev/null ++++ b/x86.h +@@ -0,0 +1,15 @@ ++/* x86.h -- check for x86 CPU features ++* Copyright (C) 2013 Intel Corporation Jim Kukunas ++* For conditions of distribution and use, see copyright notice in zlib.h ++*/ ++ ++#ifndef X86_H ++#define X86_H ++ ++#include "zlib.h" ++ ++extern int x86_cpu_enable_simd; ++ ++void x86_check_features(void); ++ ++#endif /* X86_H */ +diff --git a/zutil.h b/zutil.h +index 80375b8b6109..4425bcf75eb3 100644 +--- a/zutil.h ++++ b/zutil.h +@@ -283,4 +283,10 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ + #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ + (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) + ++#ifdef _MSC_VER ++#define zalign(x) __declspec(align(x)) ++#else ++#define zalign(x) __attribute__((aligned((x)))) ++#endif ++ + #endif /* ZUTIL_H */ diff --git a/deps/zlib/patches/0002-uninitializedcheck.patch b/deps/zlib/patches/0002-uninitializedcheck.patch new file mode 100644 index 00000000000000..7c497839d30b87 --- /dev/null +++ b/deps/zlib/patches/0002-uninitializedcheck.patch @@ -0,0 +1,27 @@ +From 1a03e7aec95d89c659fd91f195b99893b6458cd7 Mon Sep 17 00:00:00 2001 +From: Adenilson Cavalcanti +Date: Wed, 27 Sep 2017 13:59:04 -0700 +Subject: [PATCH] Zlib patch: prevent uninitialized use of state->check + +No need to call the Adler32 checksum function, just set +the struct field to the expected value. + +Upstream bug: madler/zlib#245 +--- + third_party/zlib/inflate.c | 2 +- + 1 files changed, 1 insertion(+), 1 deletions(-) + delete mode 100644 third_party/zlib/patches/0002-uninitializedcheck.patch + +diff --git a/third_party/zlib/inflate.c b/third_party/zlib/inflate.c +index bec9497..5c40cf1 100644 +--- a/third_party/zlib/inflate.c ++++ b/third_party/zlib/inflate.c +@@ -228,7 +228,7 @@ int stream_size; + state->strm = strm; + state->window = Z_NULL; + state->mode = HEAD; /* to pass state test in inflateReset2() */ +- state->check = adler32(0L, Z_NULL, 0); ++ state->check = 1L; /* 1L is the result of adler32() zero length data */ + ret = inflateReset2(strm, windowBits); + if (ret != Z_OK) { + ZFREE(strm, state); diff --git a/deps/zlib/patches/README b/deps/zlib/patches/README new file mode 100644 index 00000000000000..b21d309ff91984 --- /dev/null +++ b/deps/zlib/patches/README @@ -0,0 +1,43 @@ +== Patches applied on top of zlib == + + - 0000-build.patch: changes from the upstream version, mostly related to the + build. + - 0001-simd.patch: integrate Intel SIMD optimizations from + https://github.com/jtkukunas/zlib/ + - 0002-uninitializedcheck.patch: prevent uninitialized use of state->check + +== Procedure to create a patch file == + + Assuming you are working in a new feature branch: + - git format-patch master --stdout > foo.patch # where naming follows a growing + # number plus patch description. + - git add foo.patch + - git commit -a -m "Local patch." + - git rebase -i HEAD~2 # Squashing the second commit + + As patches created in this way will feature a ChangeLog, there is no longer +the need to append this file with a description of what the patch does. This +should help to solve frequent conflicts in pending new patches on +Chromium's zlib. + + The plan for the near future is to better insulate the platform specific +changes to ease update adoption with new releases of zlib. This insulation +happens by making changes inside contrib/ rather than the root directory +(where conflicts can happen). + + If a change modifies enough things inside the root directory that the +intention is not immediately clear, generate a .patch file to go with your +change. If the change's modifications in the root directory are small, like: + +#ifdef FEATURE_FLAG +use_special_feature(); +#elif +use_default_behavior(); +#endif + + then the intent is clear and a .patch file doesn't need to be generated (since +it would not provide much value). + + Ideally local changes should have a merge request featured in either: + - canonical zlib: https://github.com/madler/zlib/ + - zlib-ng: https://github.com/Dead2/zlib-ng diff --git a/deps/zlib/qnx/package.qpg b/deps/zlib/qnx/package.qpg deleted file mode 100644 index 31e8e90db4dcd9..00000000000000 --- a/deps/zlib/qnx/package.qpg +++ /dev/null @@ -1,141 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Library - - Medium - - 2.0 - - - - zlib - zlib - alain.bonnefoy@icbt.com - Public - public - www.gzip.org/zlib - - - Jean-Loup Gailly,Mark Adler - www.gzip.org/zlib - - zlib@gzip.org - - - A massively spiffy yet delicately unobtrusive compression library. - zlib is designed to be a free, general-purpose, legally unencumbered, lossless data compression library for use on virtually any computer hardware and operating system. - http://www.gzip.org/zlib - - - - - 1.2.11 - Medium - Stable - - - - - - - No License - - - - Software Development/Libraries and Extensions/C Libraries - zlib,compression - qnx6 - qnx6 - None - Developer - - - - - - - - - - - - - - Install - Post - No - Ignore - - No - Optional - - - - - - - - - - - - - InstallOver - zlib - - - - - - - - - - - - - InstallOver - zlib-dev - - - - - - - - - diff --git a/deps/zlib/simd_stub.c b/deps/zlib/simd_stub.c new file mode 100644 index 00000000000000..c6d46051498f36 --- /dev/null +++ b/deps/zlib/simd_stub.c @@ -0,0 +1,35 @@ +/* simd_stub.c -- stub implementations +* Copyright (C) 2014 Intel Corporation +* For conditions of distribution and use, see copyright notice in zlib.h +*/ +#include + +#include "deflate.h" +#include "x86.h" + +int ZLIB_INTERNAL x86_cpu_enable_simd = 0; + +void ZLIB_INTERNAL crc_fold_init(deflate_state *const s) { + assert(0); +} + +void ZLIB_INTERNAL crc_fold_copy(deflate_state *const s, + unsigned char *dst, + const unsigned char *src, + long len) { + assert(0); +} + +unsigned ZLIB_INTERNAL crc_fold_512to32(deflate_state *const s) { + assert(0); + return 0; +} + +void ZLIB_INTERNAL fill_window_sse(deflate_state *s) +{ + assert(0); +} + +void x86_check_features(void) +{ +} diff --git a/deps/zlib/test/example.c b/deps/zlib/test/example.c deleted file mode 100644 index eee17ce7c1591f..00000000000000 --- a/deps/zlib/test/example.c +++ /dev/null @@ -1,602 +0,0 @@ -/* example.c -- usage example of the zlib compression library - * Copyright (C) 1995-2006, 2011, 2016 Jean-loup Gailly - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#include "zlib.h" -#include - -#ifdef STDC -# include -# include -#endif - -#if defined(VMS) || defined(RISCOS) -# define TESTFILE "foo-gz" -#else -# define TESTFILE "foo.gz" -#endif - -#define CHECK_ERR(err, msg) { \ - if (err != Z_OK) { \ - fprintf(stderr, "%s error: %d\n", msg, err); \ - exit(1); \ - } \ -} - -static z_const char hello[] = "hello, hello!"; -/* "hello world" would be more standard, but the repeated "hello" - * stresses the compression code better, sorry... - */ - -static const char dictionary[] = "hello"; -static uLong dictId; /* Adler32 value of the dictionary */ - -void test_deflate OF((Byte *compr, uLong comprLen)); -void test_inflate OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); -void test_large_deflate OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); -void test_large_inflate OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); -void test_flush OF((Byte *compr, uLong *comprLen)); -void test_sync OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); -void test_dict_deflate OF((Byte *compr, uLong comprLen)); -void test_dict_inflate OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); -int main OF((int argc, char *argv[])); - - -#ifdef Z_SOLO - -void *myalloc OF((void *, unsigned, unsigned)); -void myfree OF((void *, void *)); - -void *myalloc(q, n, m) - void *q; - unsigned n, m; -{ - (void)q; - return calloc(n, m); -} - -void myfree(void *q, void *p) -{ - (void)q; - free(p); -} - -static alloc_func zalloc = myalloc; -static free_func zfree = myfree; - -#else /* !Z_SOLO */ - -static alloc_func zalloc = (alloc_func)0; -static free_func zfree = (free_func)0; - -void test_compress OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); -void test_gzio OF((const char *fname, - Byte *uncompr, uLong uncomprLen)); - -/* =========================================================================== - * Test compress() and uncompress() - */ -void test_compress(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; -{ - int err; - uLong len = (uLong)strlen(hello)+1; - - err = compress(compr, &comprLen, (const Bytef*)hello, len); - CHECK_ERR(err, "compress"); - - strcpy((char*)uncompr, "garbage"); - - err = uncompress(uncompr, &uncomprLen, compr, comprLen); - CHECK_ERR(err, "uncompress"); - - if (strcmp((char*)uncompr, hello)) { - fprintf(stderr, "bad uncompress\n"); - exit(1); - } else { - printf("uncompress(): %s\n", (char *)uncompr); - } -} - -/* =========================================================================== - * Test read/write of .gz files - */ -void test_gzio(fname, uncompr, uncomprLen) - const char *fname; /* compressed file name */ - Byte *uncompr; - uLong uncomprLen; -{ -#ifdef NO_GZCOMPRESS - fprintf(stderr, "NO_GZCOMPRESS -- gz* functions cannot compress\n"); -#else - int err; - int len = (int)strlen(hello)+1; - gzFile file; - z_off_t pos; - - file = gzopen(fname, "wb"); - if (file == NULL) { - fprintf(stderr, "gzopen error\n"); - exit(1); - } - gzputc(file, 'h'); - if (gzputs(file, "ello") != 4) { - fprintf(stderr, "gzputs err: %s\n", gzerror(file, &err)); - exit(1); - } - if (gzprintf(file, ", %s!", "hello") != 8) { - fprintf(stderr, "gzprintf err: %s\n", gzerror(file, &err)); - exit(1); - } - gzseek(file, 1L, SEEK_CUR); /* add one zero byte */ - gzclose(file); - - file = gzopen(fname, "rb"); - if (file == NULL) { - fprintf(stderr, "gzopen error\n"); - exit(1); - } - strcpy((char*)uncompr, "garbage"); - - if (gzread(file, uncompr, (unsigned)uncomprLen) != len) { - fprintf(stderr, "gzread err: %s\n", gzerror(file, &err)); - exit(1); - } - if (strcmp((char*)uncompr, hello)) { - fprintf(stderr, "bad gzread: %s\n", (char*)uncompr); - exit(1); - } else { - printf("gzread(): %s\n", (char*)uncompr); - } - - pos = gzseek(file, -8L, SEEK_CUR); - if (pos != 6 || gztell(file) != pos) { - fprintf(stderr, "gzseek error, pos=%ld, gztell=%ld\n", - (long)pos, (long)gztell(file)); - exit(1); - } - - if (gzgetc(file) != ' ') { - fprintf(stderr, "gzgetc error\n"); - exit(1); - } - - if (gzungetc(' ', file) != ' ') { - fprintf(stderr, "gzungetc error\n"); - exit(1); - } - - gzgets(file, (char*)uncompr, (int)uncomprLen); - if (strlen((char*)uncompr) != 7) { /* " hello!" */ - fprintf(stderr, "gzgets err after gzseek: %s\n", gzerror(file, &err)); - exit(1); - } - if (strcmp((char*)uncompr, hello + 6)) { - fprintf(stderr, "bad gzgets after gzseek\n"); - exit(1); - } else { - printf("gzgets() after gzseek: %s\n", (char*)uncompr); - } - - gzclose(file); -#endif -} - -#endif /* Z_SOLO */ - -/* =========================================================================== - * Test deflate() with small buffers - */ -void test_deflate(compr, comprLen) - Byte *compr; - uLong comprLen; -{ - z_stream c_stream; /* compression stream */ - int err; - uLong len = (uLong)strlen(hello)+1; - - c_stream.zalloc = zalloc; - c_stream.zfree = zfree; - c_stream.opaque = (voidpf)0; - - err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); - CHECK_ERR(err, "deflateInit"); - - c_stream.next_in = (z_const unsigned char *)hello; - c_stream.next_out = compr; - - while (c_stream.total_in != len && c_stream.total_out < comprLen) { - c_stream.avail_in = c_stream.avail_out = 1; /* force small buffers */ - err = deflate(&c_stream, Z_NO_FLUSH); - CHECK_ERR(err, "deflate"); - } - /* Finish the stream, still forcing small buffers: */ - for (;;) { - c_stream.avail_out = 1; - err = deflate(&c_stream, Z_FINISH); - if (err == Z_STREAM_END) break; - CHECK_ERR(err, "deflate"); - } - - err = deflateEnd(&c_stream); - CHECK_ERR(err, "deflateEnd"); -} - -/* =========================================================================== - * Test inflate() with small buffers - */ -void test_inflate(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; -{ - int err; - z_stream d_stream; /* decompression stream */ - - strcpy((char*)uncompr, "garbage"); - - d_stream.zalloc = zalloc; - d_stream.zfree = zfree; - d_stream.opaque = (voidpf)0; - - d_stream.next_in = compr; - d_stream.avail_in = 0; - d_stream.next_out = uncompr; - - err = inflateInit(&d_stream); - CHECK_ERR(err, "inflateInit"); - - while (d_stream.total_out < uncomprLen && d_stream.total_in < comprLen) { - d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */ - err = inflate(&d_stream, Z_NO_FLUSH); - if (err == Z_STREAM_END) break; - CHECK_ERR(err, "inflate"); - } - - err = inflateEnd(&d_stream); - CHECK_ERR(err, "inflateEnd"); - - if (strcmp((char*)uncompr, hello)) { - fprintf(stderr, "bad inflate\n"); - exit(1); - } else { - printf("inflate(): %s\n", (char *)uncompr); - } -} - -/* =========================================================================== - * Test deflate() with large buffers and dynamic change of compression level - */ -void test_large_deflate(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; -{ - z_stream c_stream; /* compression stream */ - int err; - - c_stream.zalloc = zalloc; - c_stream.zfree = zfree; - c_stream.opaque = (voidpf)0; - - err = deflateInit(&c_stream, Z_BEST_SPEED); - CHECK_ERR(err, "deflateInit"); - - c_stream.next_out = compr; - c_stream.avail_out = (uInt)comprLen; - - /* At this point, uncompr is still mostly zeroes, so it should compress - * very well: - */ - c_stream.next_in = uncompr; - c_stream.avail_in = (uInt)uncomprLen; - err = deflate(&c_stream, Z_NO_FLUSH); - CHECK_ERR(err, "deflate"); - if (c_stream.avail_in != 0) { - fprintf(stderr, "deflate not greedy\n"); - exit(1); - } - - /* Feed in already compressed data and switch to no compression: */ - deflateParams(&c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY); - c_stream.next_in = compr; - c_stream.avail_in = (uInt)comprLen/2; - err = deflate(&c_stream, Z_NO_FLUSH); - CHECK_ERR(err, "deflate"); - - /* Switch back to compressing mode: */ - deflateParams(&c_stream, Z_BEST_COMPRESSION, Z_FILTERED); - c_stream.next_in = uncompr; - c_stream.avail_in = (uInt)uncomprLen; - err = deflate(&c_stream, Z_NO_FLUSH); - CHECK_ERR(err, "deflate"); - - err = deflate(&c_stream, Z_FINISH); - if (err != Z_STREAM_END) { - fprintf(stderr, "deflate should report Z_STREAM_END\n"); - exit(1); - } - err = deflateEnd(&c_stream); - CHECK_ERR(err, "deflateEnd"); -} - -/* =========================================================================== - * Test inflate() with large buffers - */ -void test_large_inflate(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; -{ - int err; - z_stream d_stream; /* decompression stream */ - - strcpy((char*)uncompr, "garbage"); - - d_stream.zalloc = zalloc; - d_stream.zfree = zfree; - d_stream.opaque = (voidpf)0; - - d_stream.next_in = compr; - d_stream.avail_in = (uInt)comprLen; - - err = inflateInit(&d_stream); - CHECK_ERR(err, "inflateInit"); - - for (;;) { - d_stream.next_out = uncompr; /* discard the output */ - d_stream.avail_out = (uInt)uncomprLen; - err = inflate(&d_stream, Z_NO_FLUSH); - if (err == Z_STREAM_END) break; - CHECK_ERR(err, "large inflate"); - } - - err = inflateEnd(&d_stream); - CHECK_ERR(err, "inflateEnd"); - - if (d_stream.total_out != 2*uncomprLen + comprLen/2) { - fprintf(stderr, "bad large inflate: %ld\n", d_stream.total_out); - exit(1); - } else { - printf("large_inflate(): OK\n"); - } -} - -/* =========================================================================== - * Test deflate() with full flush - */ -void test_flush(compr, comprLen) - Byte *compr; - uLong *comprLen; -{ - z_stream c_stream; /* compression stream */ - int err; - uInt len = (uInt)strlen(hello)+1; - - c_stream.zalloc = zalloc; - c_stream.zfree = zfree; - c_stream.opaque = (voidpf)0; - - err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); - CHECK_ERR(err, "deflateInit"); - - c_stream.next_in = (z_const unsigned char *)hello; - c_stream.next_out = compr; - c_stream.avail_in = 3; - c_stream.avail_out = (uInt)*comprLen; - err = deflate(&c_stream, Z_FULL_FLUSH); - CHECK_ERR(err, "deflate"); - - compr[3]++; /* force an error in first compressed block */ - c_stream.avail_in = len - 3; - - err = deflate(&c_stream, Z_FINISH); - if (err != Z_STREAM_END) { - CHECK_ERR(err, "deflate"); - } - err = deflateEnd(&c_stream); - CHECK_ERR(err, "deflateEnd"); - - *comprLen = c_stream.total_out; -} - -/* =========================================================================== - * Test inflateSync() - */ -void test_sync(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; -{ - int err; - z_stream d_stream; /* decompression stream */ - - strcpy((char*)uncompr, "garbage"); - - d_stream.zalloc = zalloc; - d_stream.zfree = zfree; - d_stream.opaque = (voidpf)0; - - d_stream.next_in = compr; - d_stream.avail_in = 2; /* just read the zlib header */ - - err = inflateInit(&d_stream); - CHECK_ERR(err, "inflateInit"); - - d_stream.next_out = uncompr; - d_stream.avail_out = (uInt)uncomprLen; - - err = inflate(&d_stream, Z_NO_FLUSH); - CHECK_ERR(err, "inflate"); - - d_stream.avail_in = (uInt)comprLen-2; /* read all compressed data */ - err = inflateSync(&d_stream); /* but skip the damaged part */ - CHECK_ERR(err, "inflateSync"); - - err = inflate(&d_stream, Z_FINISH); - if (err != Z_DATA_ERROR) { - fprintf(stderr, "inflate should report DATA_ERROR\n"); - /* Because of incorrect adler32 */ - exit(1); - } - err = inflateEnd(&d_stream); - CHECK_ERR(err, "inflateEnd"); - - printf("after inflateSync(): hel%s\n", (char *)uncompr); -} - -/* =========================================================================== - * Test deflate() with preset dictionary - */ -void test_dict_deflate(compr, comprLen) - Byte *compr; - uLong comprLen; -{ - z_stream c_stream; /* compression stream */ - int err; - - c_stream.zalloc = zalloc; - c_stream.zfree = zfree; - c_stream.opaque = (voidpf)0; - - err = deflateInit(&c_stream, Z_BEST_COMPRESSION); - CHECK_ERR(err, "deflateInit"); - - err = deflateSetDictionary(&c_stream, - (const Bytef*)dictionary, (int)sizeof(dictionary)); - CHECK_ERR(err, "deflateSetDictionary"); - - dictId = c_stream.adler; - c_stream.next_out = compr; - c_stream.avail_out = (uInt)comprLen; - - c_stream.next_in = (z_const unsigned char *)hello; - c_stream.avail_in = (uInt)strlen(hello)+1; - - err = deflate(&c_stream, Z_FINISH); - if (err != Z_STREAM_END) { - fprintf(stderr, "deflate should report Z_STREAM_END\n"); - exit(1); - } - err = deflateEnd(&c_stream); - CHECK_ERR(err, "deflateEnd"); -} - -/* =========================================================================== - * Test inflate() with a preset dictionary - */ -void test_dict_inflate(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; -{ - int err; - z_stream d_stream; /* decompression stream */ - - strcpy((char*)uncompr, "garbage"); - - d_stream.zalloc = zalloc; - d_stream.zfree = zfree; - d_stream.opaque = (voidpf)0; - - d_stream.next_in = compr; - d_stream.avail_in = (uInt)comprLen; - - err = inflateInit(&d_stream); - CHECK_ERR(err, "inflateInit"); - - d_stream.next_out = uncompr; - d_stream.avail_out = (uInt)uncomprLen; - - for (;;) { - err = inflate(&d_stream, Z_NO_FLUSH); - if (err == Z_STREAM_END) break; - if (err == Z_NEED_DICT) { - if (d_stream.adler != dictId) { - fprintf(stderr, "unexpected dictionary"); - exit(1); - } - err = inflateSetDictionary(&d_stream, (const Bytef*)dictionary, - (int)sizeof(dictionary)); - } - CHECK_ERR(err, "inflate with dict"); - } - - err = inflateEnd(&d_stream); - CHECK_ERR(err, "inflateEnd"); - - if (strcmp((char*)uncompr, hello)) { - fprintf(stderr, "bad inflate with dict\n"); - exit(1); - } else { - printf("inflate with dictionary: %s\n", (char *)uncompr); - } -} - -/* =========================================================================== - * Usage: example [output.gz [input.gz]] - */ - -int main(argc, argv) - int argc; - char *argv[]; -{ - Byte *compr, *uncompr; - uLong comprLen = 10000*sizeof(int); /* don't overflow on MSDOS */ - uLong uncomprLen = comprLen; - static const char* myVersion = ZLIB_VERSION; - - if (zlibVersion()[0] != myVersion[0]) { - fprintf(stderr, "incompatible zlib version\n"); - exit(1); - - } else if (strcmp(zlibVersion(), ZLIB_VERSION) != 0) { - fprintf(stderr, "warning: different zlib version\n"); - } - - printf("zlib version %s = 0x%04x, compile flags = 0x%lx\n", - ZLIB_VERSION, ZLIB_VERNUM, zlibCompileFlags()); - - compr = (Byte*)calloc((uInt)comprLen, 1); - uncompr = (Byte*)calloc((uInt)uncomprLen, 1); - /* compr and uncompr are cleared to avoid reading uninitialized - * data and to ensure that uncompr compresses well. - */ - if (compr == Z_NULL || uncompr == Z_NULL) { - printf("out of memory\n"); - exit(1); - } - -#ifdef Z_SOLO - (void)argc; - (void)argv; -#else - test_compress(compr, comprLen, uncompr, uncomprLen); - - test_gzio((argc > 1 ? argv[1] : TESTFILE), - uncompr, uncomprLen); -#endif - - test_deflate(compr, comprLen); - test_inflate(compr, comprLen, uncompr, uncomprLen); - - test_large_deflate(compr, comprLen, uncompr, uncomprLen); - test_large_inflate(compr, comprLen, uncompr, uncomprLen); - - test_flush(compr, &comprLen); - test_sync(compr, comprLen, uncompr, uncomprLen); - comprLen = uncomprLen; - - test_dict_deflate(compr, comprLen); - test_dict_inflate(compr, comprLen, uncompr, uncomprLen); - - free(compr); - free(uncompr); - - return 0; -} diff --git a/deps/zlib/test/infcover.c b/deps/zlib/test/infcover.c deleted file mode 100644 index 2be01646cec3c6..00000000000000 --- a/deps/zlib/test/infcover.c +++ /dev/null @@ -1,671 +0,0 @@ -/* infcover.c -- test zlib's inflate routines with full code coverage - * Copyright (C) 2011, 2016 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* to use, do: ./configure --cover && make cover */ - -#include -#include -#include -#include -#include "zlib.h" - -/* get definition of internal structure so we can mess with it (see pull()), - and so we can call inflate_trees() (see cover5()) */ -#define ZLIB_INTERNAL -#include "inftrees.h" -#include "inflate.h" - -#define local static - -/* -- memory tracking routines -- */ - -/* - These memory tracking routines are provided to zlib and track all of zlib's - allocations and deallocations, check for LIFO operations, keep a current - and high water mark of total bytes requested, optionally set a limit on the - total memory that can be allocated, and when done check for memory leaks. - - They are used as follows: - - z_stream strm; - mem_setup(&strm) initializes the memory tracking and sets the - zalloc, zfree, and opaque members of strm to use - memory tracking for all zlib operations on strm - mem_limit(&strm, limit) sets a limit on the total bytes requested -- a - request that exceeds this limit will result in an - allocation failure (returns NULL) -- setting the - limit to zero means no limit, which is the default - after mem_setup() - mem_used(&strm, "msg") prints to stderr "msg" and the total bytes used - mem_high(&strm, "msg") prints to stderr "msg" and the high water mark - mem_done(&strm, "msg") ends memory tracking, releases all allocations - for the tracking as well as leaked zlib blocks, if - any. If there was anything unusual, such as leaked - blocks, non-FIFO frees, or frees of addresses not - allocated, then "msg" and information about the - problem is printed to stderr. If everything is - normal, nothing is printed. mem_done resets the - strm members to Z_NULL to use the default memory - allocation routines on the next zlib initialization - using strm. - */ - -/* these items are strung together in a linked list, one for each allocation */ -struct mem_item { - void *ptr; /* pointer to allocated memory */ - size_t size; /* requested size of allocation */ - struct mem_item *next; /* pointer to next item in list, or NULL */ -}; - -/* this structure is at the root of the linked list, and tracks statistics */ -struct mem_zone { - struct mem_item *first; /* pointer to first item in list, or NULL */ - size_t total, highwater; /* total allocations, and largest total */ - size_t limit; /* memory allocation limit, or 0 if no limit */ - int notlifo, rogue; /* counts of non-LIFO frees and rogue frees */ -}; - -/* memory allocation routine to pass to zlib */ -local void *mem_alloc(void *mem, unsigned count, unsigned size) -{ - void *ptr; - struct mem_item *item; - struct mem_zone *zone = mem; - size_t len = count * (size_t)size; - - /* induced allocation failure */ - if (zone == NULL || (zone->limit && zone->total + len > zone->limit)) - return NULL; - - /* perform allocation using the standard library, fill memory with a - non-zero value to make sure that the code isn't depending on zeros */ - ptr = malloc(len); - if (ptr == NULL) - return NULL; - memset(ptr, 0xa5, len); - - /* create a new item for the list */ - item = malloc(sizeof(struct mem_item)); - if (item == NULL) { - free(ptr); - return NULL; - } - item->ptr = ptr; - item->size = len; - - /* insert item at the beginning of the list */ - item->next = zone->first; - zone->first = item; - - /* update the statistics */ - zone->total += item->size; - if (zone->total > zone->highwater) - zone->highwater = zone->total; - - /* return the allocated memory */ - return ptr; -} - -/* memory free routine to pass to zlib */ -local void mem_free(void *mem, void *ptr) -{ - struct mem_item *item, *next; - struct mem_zone *zone = mem; - - /* if no zone, just do a free */ - if (zone == NULL) { - free(ptr); - return; - } - - /* point next to the item that matches ptr, or NULL if not found -- remove - the item from the linked list if found */ - next = zone->first; - if (next) { - if (next->ptr == ptr) - zone->first = next->next; /* first one is it, remove from list */ - else { - do { /* search the linked list */ - item = next; - next = item->next; - } while (next != NULL && next->ptr != ptr); - if (next) { /* if found, remove from linked list */ - item->next = next->next; - zone->notlifo++; /* not a LIFO free */ - } - - } - } - - /* if found, update the statistics and free the item */ - if (next) { - zone->total -= next->size; - free(next); - } - - /* if not found, update the rogue count */ - else - zone->rogue++; - - /* in any case, do the requested free with the standard library function */ - free(ptr); -} - -/* set up a controlled memory allocation space for monitoring, set the stream - parameters to the controlled routines, with opaque pointing to the space */ -local void mem_setup(z_stream *strm) -{ - struct mem_zone *zone; - - zone = malloc(sizeof(struct mem_zone)); - assert(zone != NULL); - zone->first = NULL; - zone->total = 0; - zone->highwater = 0; - zone->limit = 0; - zone->notlifo = 0; - zone->rogue = 0; - strm->opaque = zone; - strm->zalloc = mem_alloc; - strm->zfree = mem_free; -} - -/* set a limit on the total memory allocation, or 0 to remove the limit */ -local void mem_limit(z_stream *strm, size_t limit) -{ - struct mem_zone *zone = strm->opaque; - - zone->limit = limit; -} - -/* show the current total requested allocations in bytes */ -local void mem_used(z_stream *strm, char *prefix) -{ - struct mem_zone *zone = strm->opaque; - - fprintf(stderr, "%s: %lu allocated\n", prefix, zone->total); -} - -/* show the high water allocation in bytes */ -local void mem_high(z_stream *strm, char *prefix) -{ - struct mem_zone *zone = strm->opaque; - - fprintf(stderr, "%s: %lu high water mark\n", prefix, zone->highwater); -} - -/* release the memory allocation zone -- if there are any surprises, notify */ -local void mem_done(z_stream *strm, char *prefix) -{ - int count = 0; - struct mem_item *item, *next; - struct mem_zone *zone = strm->opaque; - - /* show high water mark */ - mem_high(strm, prefix); - - /* free leftover allocations and item structures, if any */ - item = zone->first; - while (item != NULL) { - free(item->ptr); - next = item->next; - free(item); - item = next; - count++; - } - - /* issue alerts about anything unexpected */ - if (count || zone->total) - fprintf(stderr, "** %s: %lu bytes in %d blocks not freed\n", - prefix, zone->total, count); - if (zone->notlifo) - fprintf(stderr, "** %s: %d frees not LIFO\n", prefix, zone->notlifo); - if (zone->rogue) - fprintf(stderr, "** %s: %d frees not recognized\n", - prefix, zone->rogue); - - /* free the zone and delete from the stream */ - free(zone); - strm->opaque = Z_NULL; - strm->zalloc = Z_NULL; - strm->zfree = Z_NULL; -} - -/* -- inflate test routines -- */ - -/* Decode a hexadecimal string, set *len to length, in[] to the bytes. This - decodes liberally, in that hex digits can be adjacent, in which case two in - a row writes a byte. Or they can be delimited by any non-hex character, - where the delimiters are ignored except when a single hex digit is followed - by a delimiter, where that single digit writes a byte. The returned data is - allocated and must eventually be freed. NULL is returned if out of memory. - If the length is not needed, then len can be NULL. */ -local unsigned char *h2b(const char *hex, unsigned *len) -{ - unsigned char *in, *re; - unsigned next, val; - - in = malloc((strlen(hex) + 1) >> 1); - if (in == NULL) - return NULL; - next = 0; - val = 1; - do { - if (*hex >= '0' && *hex <= '9') - val = (val << 4) + *hex - '0'; - else if (*hex >= 'A' && *hex <= 'F') - val = (val << 4) + *hex - 'A' + 10; - else if (*hex >= 'a' && *hex <= 'f') - val = (val << 4) + *hex - 'a' + 10; - else if (val != 1 && val < 32) /* one digit followed by delimiter */ - val += 240; /* make it look like two digits */ - if (val > 255) { /* have two digits */ - in[next++] = val & 0xff; /* save the decoded byte */ - val = 1; /* start over */ - } - } while (*hex++); /* go through the loop with the terminating null */ - if (len != NULL) - *len = next; - re = realloc(in, next); - return re == NULL ? in : re; -} - -/* generic inflate() run, where hex is the hexadecimal input data, what is the - text to include in an error message, step is how much input data to feed - inflate() on each call, or zero to feed it all, win is the window bits - parameter to inflateInit2(), len is the size of the output buffer, and err - is the error code expected from the first inflate() call (the second - inflate() call is expected to return Z_STREAM_END). If win is 47, then - header information is collected with inflateGetHeader(). If a zlib stream - is looking for a dictionary, then an empty dictionary is provided. - inflate() is run until all of the input data is consumed. */ -local void inf(char *hex, char *what, unsigned step, int win, unsigned len, - int err) -{ - int ret; - unsigned have; - unsigned char *in, *out; - z_stream strm, copy; - gz_header head; - - mem_setup(&strm); - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit2(&strm, win); - if (ret != Z_OK) { - mem_done(&strm, what); - return; - } - out = malloc(len); assert(out != NULL); - if (win == 47) { - head.extra = out; - head.extra_max = len; - head.name = out; - head.name_max = len; - head.comment = out; - head.comm_max = len; - ret = inflateGetHeader(&strm, &head); assert(ret == Z_OK); - } - in = h2b(hex, &have); assert(in != NULL); - if (step == 0 || step > have) - step = have; - strm.avail_in = step; - have -= step; - strm.next_in = in; - do { - strm.avail_out = len; - strm.next_out = out; - ret = inflate(&strm, Z_NO_FLUSH); assert(err == 9 || ret == err); - if (ret != Z_OK && ret != Z_BUF_ERROR && ret != Z_NEED_DICT) - break; - if (ret == Z_NEED_DICT) { - ret = inflateSetDictionary(&strm, in, 1); - assert(ret == Z_DATA_ERROR); - mem_limit(&strm, 1); - ret = inflateSetDictionary(&strm, out, 0); - assert(ret == Z_MEM_ERROR); - mem_limit(&strm, 0); - ((struct inflate_state *)strm.state)->mode = DICT; - ret = inflateSetDictionary(&strm, out, 0); - assert(ret == Z_OK); - ret = inflate(&strm, Z_NO_FLUSH); assert(ret == Z_BUF_ERROR); - } - ret = inflateCopy(©, &strm); assert(ret == Z_OK); - ret = inflateEnd(©); assert(ret == Z_OK); - err = 9; /* don't care next time around */ - have += strm.avail_in; - strm.avail_in = step > have ? have : step; - have -= strm.avail_in; - } while (strm.avail_in); - free(in); - free(out); - ret = inflateReset2(&strm, -8); assert(ret == Z_OK); - ret = inflateEnd(&strm); assert(ret == Z_OK); - mem_done(&strm, what); -} - -/* cover all of the lines in inflate.c up to inflate() */ -local void cover_support(void) -{ - int ret; - z_stream strm; - - mem_setup(&strm); - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit(&strm); assert(ret == Z_OK); - mem_used(&strm, "inflate init"); - ret = inflatePrime(&strm, 5, 31); assert(ret == Z_OK); - ret = inflatePrime(&strm, -1, 0); assert(ret == Z_OK); - ret = inflateSetDictionary(&strm, Z_NULL, 0); - assert(ret == Z_STREAM_ERROR); - ret = inflateEnd(&strm); assert(ret == Z_OK); - mem_done(&strm, "prime"); - - inf("63 0", "force window allocation", 0, -15, 1, Z_OK); - inf("63 18 5", "force window replacement", 0, -8, 259, Z_OK); - inf("63 18 68 30 d0 0 0", "force split window update", 4, -8, 259, Z_OK); - inf("3 0", "use fixed blocks", 0, -15, 1, Z_STREAM_END); - inf("", "bad window size", 0, 1, 0, Z_STREAM_ERROR); - - mem_setup(&strm); - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit_(&strm, ZLIB_VERSION - 1, (int)sizeof(z_stream)); - assert(ret == Z_VERSION_ERROR); - mem_done(&strm, "wrong version"); - - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit(&strm); assert(ret == Z_OK); - ret = inflateEnd(&strm); assert(ret == Z_OK); - fputs("inflate built-in memory routines\n", stderr); -} - -/* cover all inflate() header and trailer cases and code after inflate() */ -local void cover_wrap(void) -{ - int ret; - z_stream strm, copy; - unsigned char dict[257]; - - ret = inflate(Z_NULL, 0); assert(ret == Z_STREAM_ERROR); - ret = inflateEnd(Z_NULL); assert(ret == Z_STREAM_ERROR); - ret = inflateCopy(Z_NULL, Z_NULL); assert(ret == Z_STREAM_ERROR); - fputs("inflate bad parameters\n", stderr); - - inf("1f 8b 0 0", "bad gzip method", 0, 31, 0, Z_DATA_ERROR); - inf("1f 8b 8 80", "bad gzip flags", 0, 31, 0, Z_DATA_ERROR); - inf("77 85", "bad zlib method", 0, 15, 0, Z_DATA_ERROR); - inf("8 99", "set window size from header", 0, 0, 0, Z_OK); - inf("78 9c", "bad zlib window size", 0, 8, 0, Z_DATA_ERROR); - inf("78 9c 63 0 0 0 1 0 1", "check adler32", 0, 15, 1, Z_STREAM_END); - inf("1f 8b 8 1e 0 0 0 0 0 0 1 0 0 0 0 0 0", "bad header crc", 0, 47, 1, - Z_DATA_ERROR); - inf("1f 8b 8 2 0 0 0 0 0 0 1d 26 3 0 0 0 0 0 0 0 0 0", "check gzip length", - 0, 47, 0, Z_STREAM_END); - inf("78 90", "bad zlib header check", 0, 47, 0, Z_DATA_ERROR); - inf("8 b8 0 0 0 1", "need dictionary", 0, 8, 0, Z_NEED_DICT); - inf("78 9c 63 0", "compute adler32", 0, 15, 1, Z_OK); - - mem_setup(&strm); - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit2(&strm, -8); - strm.avail_in = 2; - strm.next_in = (void *)"\x63"; - strm.avail_out = 1; - strm.next_out = (void *)&ret; - mem_limit(&strm, 1); - ret = inflate(&strm, Z_NO_FLUSH); assert(ret == Z_MEM_ERROR); - ret = inflate(&strm, Z_NO_FLUSH); assert(ret == Z_MEM_ERROR); - mem_limit(&strm, 0); - memset(dict, 0, 257); - ret = inflateSetDictionary(&strm, dict, 257); - assert(ret == Z_OK); - mem_limit(&strm, (sizeof(struct inflate_state) << 1) + 256); - ret = inflatePrime(&strm, 16, 0); assert(ret == Z_OK); - strm.avail_in = 2; - strm.next_in = (void *)"\x80"; - ret = inflateSync(&strm); assert(ret == Z_DATA_ERROR); - ret = inflate(&strm, Z_NO_FLUSH); assert(ret == Z_STREAM_ERROR); - strm.avail_in = 4; - strm.next_in = (void *)"\0\0\xff\xff"; - ret = inflateSync(&strm); assert(ret == Z_OK); - (void)inflateSyncPoint(&strm); - ret = inflateCopy(©, &strm); assert(ret == Z_MEM_ERROR); - mem_limit(&strm, 0); - ret = inflateUndermine(&strm, 1); assert(ret == Z_DATA_ERROR); - (void)inflateMark(&strm); - ret = inflateEnd(&strm); assert(ret == Z_OK); - mem_done(&strm, "miscellaneous, force memory errors"); -} - -/* input and output functions for inflateBack() */ -local unsigned pull(void *desc, unsigned char **buf) -{ - static unsigned int next = 0; - static unsigned char dat[] = {0x63, 0, 2, 0}; - struct inflate_state *state; - - if (desc == Z_NULL) { - next = 0; - return 0; /* no input (already provided at next_in) */ - } - state = (void *)((z_stream *)desc)->state; - if (state != Z_NULL) - state->mode = SYNC; /* force an otherwise impossible situation */ - return next < sizeof(dat) ? (*buf = dat + next++, 1) : 0; -} - -local int push(void *desc, unsigned char *buf, unsigned len) -{ - buf += len; - return desc != Z_NULL; /* force error if desc not null */ -} - -/* cover inflateBack() up to common deflate data cases and after those */ -local void cover_back(void) -{ - int ret; - z_stream strm; - unsigned char win[32768]; - - ret = inflateBackInit_(Z_NULL, 0, win, 0, 0); - assert(ret == Z_VERSION_ERROR); - ret = inflateBackInit(Z_NULL, 0, win); assert(ret == Z_STREAM_ERROR); - ret = inflateBack(Z_NULL, Z_NULL, Z_NULL, Z_NULL, Z_NULL); - assert(ret == Z_STREAM_ERROR); - ret = inflateBackEnd(Z_NULL); assert(ret == Z_STREAM_ERROR); - fputs("inflateBack bad parameters\n", stderr); - - mem_setup(&strm); - ret = inflateBackInit(&strm, 15, win); assert(ret == Z_OK); - strm.avail_in = 2; - strm.next_in = (void *)"\x03"; - ret = inflateBack(&strm, pull, Z_NULL, push, Z_NULL); - assert(ret == Z_STREAM_END); - /* force output error */ - strm.avail_in = 3; - strm.next_in = (void *)"\x63\x00"; - ret = inflateBack(&strm, pull, Z_NULL, push, &strm); - assert(ret == Z_BUF_ERROR); - /* force mode error by mucking with state */ - ret = inflateBack(&strm, pull, &strm, push, Z_NULL); - assert(ret == Z_STREAM_ERROR); - ret = inflateBackEnd(&strm); assert(ret == Z_OK); - mem_done(&strm, "inflateBack bad state"); - - ret = inflateBackInit(&strm, 15, win); assert(ret == Z_OK); - ret = inflateBackEnd(&strm); assert(ret == Z_OK); - fputs("inflateBack built-in memory routines\n", stderr); -} - -/* do a raw inflate of data in hexadecimal with both inflate and inflateBack */ -local int try(char *hex, char *id, int err) -{ - int ret; - unsigned len, size; - unsigned char *in, *out, *win; - char *prefix; - z_stream strm; - - /* convert to hex */ - in = h2b(hex, &len); - assert(in != NULL); - - /* allocate work areas */ - size = len << 3; - out = malloc(size); - assert(out != NULL); - win = malloc(32768); - assert(win != NULL); - prefix = malloc(strlen(id) + 6); - assert(prefix != NULL); - - /* first with inflate */ - strcpy(prefix, id); - strcat(prefix, "-late"); - mem_setup(&strm); - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit2(&strm, err < 0 ? 47 : -15); - assert(ret == Z_OK); - strm.avail_in = len; - strm.next_in = in; - do { - strm.avail_out = size; - strm.next_out = out; - ret = inflate(&strm, Z_TREES); - assert(ret != Z_STREAM_ERROR && ret != Z_MEM_ERROR); - if (ret == Z_DATA_ERROR || ret == Z_NEED_DICT) - break; - } while (strm.avail_in || strm.avail_out == 0); - if (err) { - assert(ret == Z_DATA_ERROR); - assert(strcmp(id, strm.msg) == 0); - } - inflateEnd(&strm); - mem_done(&strm, prefix); - - /* then with inflateBack */ - if (err >= 0) { - strcpy(prefix, id); - strcat(prefix, "-back"); - mem_setup(&strm); - ret = inflateBackInit(&strm, 15, win); - assert(ret == Z_OK); - strm.avail_in = len; - strm.next_in = in; - ret = inflateBack(&strm, pull, Z_NULL, push, Z_NULL); - assert(ret != Z_STREAM_ERROR); - if (err) { - assert(ret == Z_DATA_ERROR); - assert(strcmp(id, strm.msg) == 0); - } - inflateBackEnd(&strm); - mem_done(&strm, prefix); - } - - /* clean up */ - free(prefix); - free(win); - free(out); - free(in); - return ret; -} - -/* cover deflate data cases in both inflate() and inflateBack() */ -local void cover_inflate(void) -{ - try("0 0 0 0 0", "invalid stored block lengths", 1); - try("3 0", "fixed", 0); - try("6", "invalid block type", 1); - try("1 1 0 fe ff 0", "stored", 0); - try("fc 0 0", "too many length or distance symbols", 1); - try("4 0 fe ff", "invalid code lengths set", 1); - try("4 0 24 49 0", "invalid bit length repeat", 1); - try("4 0 24 e9 ff ff", "invalid bit length repeat", 1); - try("4 0 24 e9 ff 6d", "invalid code -- missing end-of-block", 1); - try("4 80 49 92 24 49 92 24 71 ff ff 93 11 0", - "invalid literal/lengths set", 1); - try("4 80 49 92 24 49 92 24 f b4 ff ff c3 84", "invalid distances set", 1); - try("4 c0 81 8 0 0 0 0 20 7f eb b 0 0", "invalid literal/length code", 1); - try("2 7e ff ff", "invalid distance code", 1); - try("c c0 81 0 0 0 0 0 90 ff 6b 4 0", "invalid distance too far back", 1); - - /* also trailer mismatch just in inflate() */ - try("1f 8b 8 0 0 0 0 0 0 0 3 0 0 0 0 1", "incorrect data check", -1); - try("1f 8b 8 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 1", - "incorrect length check", -1); - try("5 c0 21 d 0 0 0 80 b0 fe 6d 2f 91 6c", "pull 17", 0); - try("5 e0 81 91 24 cb b2 2c 49 e2 f 2e 8b 9a 47 56 9f fb fe ec d2 ff 1f", - "long code", 0); - try("ed c0 1 1 0 0 0 40 20 ff 57 1b 42 2c 4f", "length extra", 0); - try("ed cf c1 b1 2c 47 10 c4 30 fa 6f 35 1d 1 82 59 3d fb be 2e 2a fc f c", - "long distance and extra", 0); - try("ed c0 81 0 0 0 0 80 a0 fd a9 17 a9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 " - "0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6", "window end", 0); - inf("2 8 20 80 0 3 0", "inflate_fast TYPE return", 0, -15, 258, - Z_STREAM_END); - inf("63 18 5 40 c 0", "window wrap", 3, -8, 300, Z_OK); -} - -/* cover remaining lines in inftrees.c */ -local void cover_trees(void) -{ - int ret; - unsigned bits; - unsigned short lens[16], work[16]; - code *next, table[ENOUGH_DISTS]; - - /* we need to call inflate_table() directly in order to manifest not- - enough errors, since zlib insures that enough is always enough */ - for (bits = 0; bits < 15; bits++) - lens[bits] = (unsigned short)(bits + 1); - lens[15] = 15; - next = table; - bits = 15; - ret = inflate_table(DISTS, lens, 16, &next, &bits, work); - assert(ret == 1); - next = table; - bits = 1; - ret = inflate_table(DISTS, lens, 16, &next, &bits, work); - assert(ret == 1); - fputs("inflate_table not enough errors\n", stderr); -} - -/* cover remaining inffast.c decoding and window copying */ -local void cover_fast(void) -{ - inf("e5 e0 81 ad 6d cb b2 2c c9 01 1e 59 63 ae 7d ee fb 4d fd b5 35 41 68" - " ff 7f 0f 0 0 0", "fast length extra bits", 0, -8, 258, Z_DATA_ERROR); - inf("25 fd 81 b5 6d 59 b6 6a 49 ea af 35 6 34 eb 8c b9 f6 b9 1e ef 67 49" - " 50 fe ff ff 3f 0 0", "fast distance extra bits", 0, -8, 258, - Z_DATA_ERROR); - inf("3 7e 0 0 0 0 0", "fast invalid distance code", 0, -8, 258, - Z_DATA_ERROR); - inf("1b 7 0 0 0 0 0", "fast invalid literal/length code", 0, -8, 258, - Z_DATA_ERROR); - inf("d c7 1 ae eb 38 c 4 41 a0 87 72 de df fb 1f b8 36 b1 38 5d ff ff 0", - "fast 2nd level codes and too far back", 0, -8, 258, Z_DATA_ERROR); - inf("63 18 5 8c 10 8 0 0 0 0", "very common case", 0, -8, 259, Z_OK); - inf("63 60 60 18 c9 0 8 18 18 18 26 c0 28 0 29 0 0 0", - "contiguous and wrap around window", 6, -8, 259, Z_OK); - inf("63 0 3 0 0 0 0 0", "copy direct from output", 0, -8, 259, - Z_STREAM_END); -} - -int main(void) -{ - fprintf(stderr, "%s\n", zlibVersion()); - cover_support(); - cover_wrap(); - cover_back(); - cover_inflate(); - cover_trees(); - cover_fast(); - return 0; -} diff --git a/deps/zlib/test/minigzip.c b/deps/zlib/test/minigzip.c deleted file mode 100644 index e22fb08c0a2921..00000000000000 --- a/deps/zlib/test/minigzip.c +++ /dev/null @@ -1,651 +0,0 @@ -/* minigzip.c -- simulate gzip using the zlib compression library - * Copyright (C) 1995-2006, 2010, 2011, 2016 Jean-loup Gailly - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* - * minigzip is a minimal implementation of the gzip utility. This is - * only an example of using zlib and isn't meant to replace the - * full-featured gzip. No attempt is made to deal with file systems - * limiting names to 14 or 8+3 characters, etc... Error checking is - * very limited. So use minigzip only for testing; use gzip for the - * real thing. On MSDOS, use only on file names without extension - * or in pipe mode. - */ - -/* @(#) $Id$ */ - -#include "zlib.h" -#include - -#ifdef STDC -# include -# include -#endif - -#ifdef USE_MMAP -# include -# include -# include -#endif - -#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__) -# include -# include -# ifdef UNDER_CE -# include -# endif -# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) -#else -# define SET_BINARY_MODE(file) -#endif - -#if defined(_MSC_VER) && _MSC_VER < 1900 -# define snprintf _snprintf -#endif - -#ifdef VMS -# define unlink delete -# define GZ_SUFFIX "-gz" -#endif -#ifdef RISCOS -# define unlink remove -# define GZ_SUFFIX "-gz" -# define fileno(file) file->__file -#endif -#if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os -# include /* for fileno */ -#endif - -#if !defined(Z_HAVE_UNISTD_H) && !defined(_LARGEFILE64_SOURCE) -#ifndef WIN32 /* unlink already in stdio.h for WIN32 */ - extern int unlink OF((const char *)); -#endif -#endif - -#if defined(UNDER_CE) -# include -# define perror(s) pwinerror(s) - -/* Map the Windows error number in ERROR to a locale-dependent error - message string and return a pointer to it. Typically, the values - for ERROR come from GetLastError. - - The string pointed to shall not be modified by the application, - but may be overwritten by a subsequent call to strwinerror - - The strwinerror function does not change the current setting - of GetLastError. */ - -static char *strwinerror (error) - DWORD error; -{ - static char buf[1024]; - - wchar_t *msgbuf; - DWORD lasterr = GetLastError(); - DWORD chars = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM - | FORMAT_MESSAGE_ALLOCATE_BUFFER, - NULL, - error, - 0, /* Default language */ - (LPVOID)&msgbuf, - 0, - NULL); - if (chars != 0) { - /* If there is an \r\n appended, zap it. */ - if (chars >= 2 - && msgbuf[chars - 2] == '\r' && msgbuf[chars - 1] == '\n') { - chars -= 2; - msgbuf[chars] = 0; - } - - if (chars > sizeof (buf) - 1) { - chars = sizeof (buf) - 1; - msgbuf[chars] = 0; - } - - wcstombs(buf, msgbuf, chars + 1); - LocalFree(msgbuf); - } - else { - sprintf(buf, "unknown win32 error (%ld)", error); - } - - SetLastError(lasterr); - return buf; -} - -static void pwinerror (s) - const char *s; -{ - if (s && *s) - fprintf(stderr, "%s: %s\n", s, strwinerror(GetLastError ())); - else - fprintf(stderr, "%s\n", strwinerror(GetLastError ())); -} - -#endif /* UNDER_CE */ - -#ifndef GZ_SUFFIX -# define GZ_SUFFIX ".gz" -#endif -#define SUFFIX_LEN (sizeof(GZ_SUFFIX)-1) - -#define BUFLEN 16384 -#define MAX_NAME_LEN 1024 - -#ifdef MAXSEG_64K -# define local static - /* Needed for systems with limitation on stack size. */ -#else -# define local -#endif - -#ifdef Z_SOLO -/* for Z_SOLO, create simplified gz* functions using deflate and inflate */ - -#if defined(Z_HAVE_UNISTD_H) || defined(Z_LARGE) -# include /* for unlink() */ -#endif - -void *myalloc OF((void *, unsigned, unsigned)); -void myfree OF((void *, void *)); - -void *myalloc(q, n, m) - void *q; - unsigned n, m; -{ - (void)q; - return calloc(n, m); -} - -void myfree(q, p) - void *q, *p; -{ - (void)q; - free(p); -} - -typedef struct gzFile_s { - FILE *file; - int write; - int err; - char *msg; - z_stream strm; -} *gzFile; - -gzFile gzopen OF((const char *, const char *)); -gzFile gzdopen OF((int, const char *)); -gzFile gz_open OF((const char *, int, const char *)); - -gzFile gzopen(path, mode) -const char *path; -const char *mode; -{ - return gz_open(path, -1, mode); -} - -gzFile gzdopen(fd, mode) -int fd; -const char *mode; -{ - return gz_open(NULL, fd, mode); -} - -gzFile gz_open(path, fd, mode) - const char *path; - int fd; - const char *mode; -{ - gzFile gz; - int ret; - - gz = malloc(sizeof(struct gzFile_s)); - if (gz == NULL) - return NULL; - gz->write = strchr(mode, 'w') != NULL; - gz->strm.zalloc = myalloc; - gz->strm.zfree = myfree; - gz->strm.opaque = Z_NULL; - if (gz->write) - ret = deflateInit2(&(gz->strm), -1, 8, 15 + 16, 8, 0); - else { - gz->strm.next_in = 0; - gz->strm.avail_in = Z_NULL; - ret = inflateInit2(&(gz->strm), 15 + 16); - } - if (ret != Z_OK) { - free(gz); - return NULL; - } - gz->file = path == NULL ? fdopen(fd, gz->write ? "wb" : "rb") : - fopen(path, gz->write ? "wb" : "rb"); - if (gz->file == NULL) { - gz->write ? deflateEnd(&(gz->strm)) : inflateEnd(&(gz->strm)); - free(gz); - return NULL; - } - gz->err = 0; - gz->msg = ""; - return gz; -} - -int gzwrite OF((gzFile, const void *, unsigned)); - -int gzwrite(gz, buf, len) - gzFile gz; - const void *buf; - unsigned len; -{ - z_stream *strm; - unsigned char out[BUFLEN]; - - if (gz == NULL || !gz->write) - return 0; - strm = &(gz->strm); - strm->next_in = (void *)buf; - strm->avail_in = len; - do { - strm->next_out = out; - strm->avail_out = BUFLEN; - (void)deflate(strm, Z_NO_FLUSH); - fwrite(out, 1, BUFLEN - strm->avail_out, gz->file); - } while (strm->avail_out == 0); - return len; -} - -int gzread OF((gzFile, void *, unsigned)); - -int gzread(gz, buf, len) - gzFile gz; - void *buf; - unsigned len; -{ - int ret; - unsigned got; - unsigned char in[1]; - z_stream *strm; - - if (gz == NULL || gz->write) - return 0; - if (gz->err) - return 0; - strm = &(gz->strm); - strm->next_out = (void *)buf; - strm->avail_out = len; - do { - got = fread(in, 1, 1, gz->file); - if (got == 0) - break; - strm->next_in = in; - strm->avail_in = 1; - ret = inflate(strm, Z_NO_FLUSH); - if (ret == Z_DATA_ERROR) { - gz->err = Z_DATA_ERROR; - gz->msg = strm->msg; - return 0; - } - if (ret == Z_STREAM_END) - inflateReset(strm); - } while (strm->avail_out); - return len - strm->avail_out; -} - -int gzclose OF((gzFile)); - -int gzclose(gz) - gzFile gz; -{ - z_stream *strm; - unsigned char out[BUFLEN]; - - if (gz == NULL) - return Z_STREAM_ERROR; - strm = &(gz->strm); - if (gz->write) { - strm->next_in = Z_NULL; - strm->avail_in = 0; - do { - strm->next_out = out; - strm->avail_out = BUFLEN; - (void)deflate(strm, Z_FINISH); - fwrite(out, 1, BUFLEN - strm->avail_out, gz->file); - } while (strm->avail_out == 0); - deflateEnd(strm); - } - else - inflateEnd(strm); - fclose(gz->file); - free(gz); - return Z_OK; -} - -const char *gzerror OF((gzFile, int *)); - -const char *gzerror(gz, err) - gzFile gz; - int *err; -{ - *err = gz->err; - return gz->msg; -} - -#endif - -static char *prog; - -void error OF((const char *msg)); -void gz_compress OF((FILE *in, gzFile out)); -#ifdef USE_MMAP -int gz_compress_mmap OF((FILE *in, gzFile out)); -#endif -void gz_uncompress OF((gzFile in, FILE *out)); -void file_compress OF((char *file, char *mode)); -void file_uncompress OF((char *file)); -int main OF((int argc, char *argv[])); - -/* =========================================================================== - * Display error message and exit - */ -void error(msg) - const char *msg; -{ - fprintf(stderr, "%s: %s\n", prog, msg); - exit(1); -} - -/* =========================================================================== - * Compress input to output then close both files. - */ - -void gz_compress(in, out) - FILE *in; - gzFile out; -{ - local char buf[BUFLEN]; - int len; - int err; - -#ifdef USE_MMAP - /* Try first compressing with mmap. If mmap fails (minigzip used in a - * pipe), use the normal fread loop. - */ - if (gz_compress_mmap(in, out) == Z_OK) return; -#endif - for (;;) { - len = (int)fread(buf, 1, sizeof(buf), in); - if (ferror(in)) { - perror("fread"); - exit(1); - } - if (len == 0) break; - - if (gzwrite(out, buf, (unsigned)len) != len) error(gzerror(out, &err)); - } - fclose(in); - if (gzclose(out) != Z_OK) error("failed gzclose"); -} - -#ifdef USE_MMAP /* MMAP version, Miguel Albrecht */ - -/* Try compressing the input file at once using mmap. Return Z_OK if - * if success, Z_ERRNO otherwise. - */ -int gz_compress_mmap(in, out) - FILE *in; - gzFile out; -{ - int len; - int err; - int ifd = fileno(in); - caddr_t buf; /* mmap'ed buffer for the entire input file */ - off_t buf_len; /* length of the input file */ - struct stat sb; - - /* Determine the size of the file, needed for mmap: */ - if (fstat(ifd, &sb) < 0) return Z_ERRNO; - buf_len = sb.st_size; - if (buf_len <= 0) return Z_ERRNO; - - /* Now do the actual mmap: */ - buf = mmap((caddr_t) 0, buf_len, PROT_READ, MAP_SHARED, ifd, (off_t)0); - if (buf == (caddr_t)(-1)) return Z_ERRNO; - - /* Compress the whole file at once: */ - len = gzwrite(out, (char *)buf, (unsigned)buf_len); - - if (len != (int)buf_len) error(gzerror(out, &err)); - - munmap(buf, buf_len); - fclose(in); - if (gzclose(out) != Z_OK) error("failed gzclose"); - return Z_OK; -} -#endif /* USE_MMAP */ - -/* =========================================================================== - * Uncompress input to output then close both files. - */ -void gz_uncompress(in, out) - gzFile in; - FILE *out; -{ - local char buf[BUFLEN]; - int len; - int err; - - for (;;) { - len = gzread(in, buf, sizeof(buf)); - if (len < 0) error (gzerror(in, &err)); - if (len == 0) break; - - if ((int)fwrite(buf, 1, (unsigned)len, out) != len) { - error("failed fwrite"); - } - } - if (fclose(out)) error("failed fclose"); - - if (gzclose(in) != Z_OK) error("failed gzclose"); -} - - -/* =========================================================================== - * Compress the given file: create a corresponding .gz file and remove the - * original. - */ -void file_compress(file, mode) - char *file; - char *mode; -{ - local char outfile[MAX_NAME_LEN]; - FILE *in; - gzFile out; - - if (strlen(file) + strlen(GZ_SUFFIX) >= sizeof(outfile)) { - fprintf(stderr, "%s: filename too long\n", prog); - exit(1); - } - -#if !defined(NO_snprintf) && !defined(NO_vsnprintf) - snprintf(outfile, sizeof(outfile), "%s%s", file, GZ_SUFFIX); -#else - strcpy(outfile, file); - strcat(outfile, GZ_SUFFIX); -#endif - - in = fopen(file, "rb"); - if (in == NULL) { - perror(file); - exit(1); - } - out = gzopen(outfile, mode); - if (out == NULL) { - fprintf(stderr, "%s: can't gzopen %s\n", prog, outfile); - exit(1); - } - gz_compress(in, out); - - unlink(file); -} - - -/* =========================================================================== - * Uncompress the given file and remove the original. - */ -void file_uncompress(file) - char *file; -{ - local char buf[MAX_NAME_LEN]; - char *infile, *outfile; - FILE *out; - gzFile in; - unsigned len = strlen(file); - - if (len + strlen(GZ_SUFFIX) >= sizeof(buf)) { - fprintf(stderr, "%s: filename too long\n", prog); - exit(1); - } - -#if !defined(NO_snprintf) && !defined(NO_vsnprintf) - snprintf(buf, sizeof(buf), "%s", file); -#else - strcpy(buf, file); -#endif - - if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) { - infile = file; - outfile = buf; - outfile[len-3] = '\0'; - } else { - outfile = file; - infile = buf; -#if !defined(NO_snprintf) && !defined(NO_vsnprintf) - snprintf(buf + len, sizeof(buf) - len, "%s", GZ_SUFFIX); -#else - strcat(infile, GZ_SUFFIX); -#endif - } - in = gzopen(infile, "rb"); - if (in == NULL) { - fprintf(stderr, "%s: can't gzopen %s\n", prog, infile); - exit(1); - } - out = fopen(outfile, "wb"); - if (out == NULL) { - perror(file); - exit(1); - } - - gz_uncompress(in, out); - - unlink(infile); -} - - -/* =========================================================================== - * Usage: minigzip [-c] [-d] [-f] [-h] [-r] [-1 to -9] [files...] - * -c : write to standard output - * -d : decompress - * -f : compress with Z_FILTERED - * -h : compress with Z_HUFFMAN_ONLY - * -r : compress with Z_RLE - * -1 to -9 : compression level - */ - -int main(argc, argv) - int argc; - char *argv[]; -{ - int copyout = 0; - int uncompr = 0; - gzFile file; - char *bname, outmode[20]; - -#if !defined(NO_snprintf) && !defined(NO_vsnprintf) - snprintf(outmode, sizeof(outmode), "%s", "wb6 "); -#else - strcpy(outmode, "wb6 "); -#endif - - prog = argv[0]; - bname = strrchr(argv[0], '/'); - if (bname) - bname++; - else - bname = argv[0]; - argc--, argv++; - - if (!strcmp(bname, "gunzip")) - uncompr = 1; - else if (!strcmp(bname, "zcat")) - copyout = uncompr = 1; - - while (argc > 0) { - if (strcmp(*argv, "-c") == 0) - copyout = 1; - else if (strcmp(*argv, "-d") == 0) - uncompr = 1; - else if (strcmp(*argv, "-f") == 0) - outmode[3] = 'f'; - else if (strcmp(*argv, "-h") == 0) - outmode[3] = 'h'; - else if (strcmp(*argv, "-r") == 0) - outmode[3] = 'R'; - else if ((*argv)[0] == '-' && (*argv)[1] >= '1' && (*argv)[1] <= '9' && - (*argv)[2] == 0) - outmode[2] = (*argv)[1]; - else - break; - argc--, argv++; - } - if (outmode[3] == ' ') - outmode[3] = 0; - if (argc == 0) { - SET_BINARY_MODE(stdin); - SET_BINARY_MODE(stdout); - if (uncompr) { - file = gzdopen(fileno(stdin), "rb"); - if (file == NULL) error("can't gzdopen stdin"); - gz_uncompress(file, stdout); - } else { - file = gzdopen(fileno(stdout), outmode); - if (file == NULL) error("can't gzdopen stdout"); - gz_compress(stdin, file); - } - } else { - if (copyout) { - SET_BINARY_MODE(stdout); - } - do { - if (uncompr) { - if (copyout) { - file = gzopen(*argv, "rb"); - if (file == NULL) - fprintf(stderr, "%s: can't gzopen %s\n", prog, *argv); - else - gz_uncompress(file, stdout); - } else { - file_uncompress(*argv); - } - } else { - if (copyout) { - FILE * in = fopen(*argv, "rb"); - - if (in == NULL) { - perror(*argv); - } else { - file = gzdopen(fileno(stdout), outmode); - if (file == NULL) error("can't gzdopen stdout"); - - gz_compress(in, file); - } - - } else { - file_compress(*argv, outmode); - } - } - } while (argv++, --argc); - } - return 0; -} diff --git a/deps/zlib/treebuild.xml b/deps/zlib/treebuild.xml deleted file mode 100644 index fd75525f99595d..00000000000000 --- a/deps/zlib/treebuild.xml +++ /dev/null @@ -1,116 +0,0 @@ - - - - zip compression library - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/deps/zlib/trees.c b/deps/zlib/trees.c index 50cf4b4571cfec..5f89d056ef9692 100644 --- a/deps/zlib/trees.c +++ b/deps/zlib/trees.c @@ -416,7 +416,7 @@ local void init_block(s) s->dyn_ltree[END_BLOCK].Freq = 1; s->opt_len = s->static_len = 0L; - s->last_lit = s->matches = 0; + s->sym_next = s->matches = 0; } #define SMALLEST 1 @@ -947,7 +947,7 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ", opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len, - s->last_lit)); + s->sym_next / 3)); if (static_lenb <= opt_lenb) opt_lenb = static_lenb; @@ -1016,8 +1016,9 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc) unsigned dist; /* distance of matched string */ unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */ { - s->d_buf[s->last_lit] = (ush)dist; - s->l_buf[s->last_lit++] = (uch)lc; + s->sym_buf[s->sym_next++] = dist; + s->sym_buf[s->sym_next++] = dist >> 8; + s->sym_buf[s->sym_next++] = lc; if (dist == 0) { /* lc is the unmatched char */ s->dyn_ltree[lc].Freq++; @@ -1032,30 +1033,7 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc) s->dyn_ltree[_length_code[lc]+LITERALS+1].Freq++; s->dyn_dtree[d_code(dist)].Freq++; } - -#ifdef TRUNCATE_BLOCK - /* Try to guess if it is profitable to stop the current block here */ - if ((s->last_lit & 0x1fff) == 0 && s->level > 2) { - /* Compute an upper bound for the compressed length */ - ulg out_length = (ulg)s->last_lit*8L; - ulg in_length = (ulg)((long)s->strstart - s->block_start); - int dcode; - for (dcode = 0; dcode < D_CODES; dcode++) { - out_length += (ulg)s->dyn_dtree[dcode].Freq * - (5L+extra_dbits[dcode]); - } - out_length >>= 3; - Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ", - s->last_lit, in_length, out_length, - 100L - out_length*100L/in_length)); - if (s->matches < s->last_lit/2 && out_length < in_length/2) return 1; - } -#endif - return (s->last_lit == s->lit_bufsize-1); - /* We avoid equality with lit_bufsize because of wraparound at 64K - * on 16 bit machines and because stored blocks are restricted to - * 64K-1 bytes. - */ + return (s->sym_next == s->sym_end); } /* =========================================================================== @@ -1068,13 +1046,14 @@ local void compress_block(s, ltree, dtree) { unsigned dist; /* distance of matched string */ int lc; /* match length or unmatched char (if dist == 0) */ - unsigned lx = 0; /* running index in l_buf */ + unsigned sx = 0; /* running index in sym_buf */ unsigned code; /* the code to send */ int extra; /* number of extra bits to send */ - if (s->last_lit != 0) do { - dist = s->d_buf[lx]; - lc = s->l_buf[lx++]; + if (s->sym_next != 0) do { + dist = s->sym_buf[sx++] & 0xff; + dist += (unsigned)(s->sym_buf[sx++] & 0xff) << 8; + lc = s->sym_buf[sx++]; if (dist == 0) { send_code(s, lc, ltree); /* send a literal byte */ Tracecv(isgraph(lc), (stderr," '%c' ", lc)); @@ -1099,11 +1078,10 @@ local void compress_block(s, ltree, dtree) } } /* literal or match pair ? */ - /* Check that the overlay between pending_buf and d_buf+l_buf is ok: */ - Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx, - "pendingBuf overflow"); + /* Check that the overlay between pending_buf and sym_buf is ok: */ + Assert(s->pending < s->lit_bufsize + sx, "pendingBuf overflow"); - } while (lx < s->last_lit); + } while (sx < s->sym_next); send_code(s, END_BLOCK, ltree); } diff --git a/deps/zlib/watcom/watcom_f.mak b/deps/zlib/watcom/watcom_f.mak deleted file mode 100644 index 37f4d74c19c0a3..00000000000000 --- a/deps/zlib/watcom/watcom_f.mak +++ /dev/null @@ -1,43 +0,0 @@ -# Makefile for zlib -# OpenWatcom flat model -# Last updated: 28-Dec-2005 - -# To use, do "wmake -f watcom_f.mak" - -C_SOURCE = adler32.c compress.c crc32.c deflate.c & - gzclose.c gzlib.c gzread.c gzwrite.c & - infback.c inffast.c inflate.c inftrees.c & - trees.c uncompr.c zutil.c - -OBJS = adler32.obj compress.obj crc32.obj deflate.obj & - gzclose.obj gzlib.obj gzread.obj gzwrite.obj & - infback.obj inffast.obj inflate.obj inftrees.obj & - trees.obj uncompr.obj zutil.obj - -CC = wcc386 -LINKER = wcl386 -CFLAGS = -zq -mf -3r -fp3 -s -bt=dos -oilrtfm -fr=nul -wx -ZLIB_LIB = zlib_f.lib - -.C.OBJ: - $(CC) $(CFLAGS) $[@ - -all: $(ZLIB_LIB) example.exe minigzip.exe - -$(ZLIB_LIB): $(OBJS) - wlib -b -c $(ZLIB_LIB) -+adler32.obj -+compress.obj -+crc32.obj - wlib -b -c $(ZLIB_LIB) -+gzclose.obj -+gzlib.obj -+gzread.obj -+gzwrite.obj - wlib -b -c $(ZLIB_LIB) -+deflate.obj -+infback.obj - wlib -b -c $(ZLIB_LIB) -+inffast.obj -+inflate.obj -+inftrees.obj - wlib -b -c $(ZLIB_LIB) -+trees.obj -+uncompr.obj -+zutil.obj - -example.exe: $(ZLIB_LIB) example.obj - $(LINKER) -ldos32a -fe=example.exe example.obj $(ZLIB_LIB) - -minigzip.exe: $(ZLIB_LIB) minigzip.obj - $(LINKER) -ldos32a -fe=minigzip.exe minigzip.obj $(ZLIB_LIB) - -clean: .SYMBOLIC - del *.obj - del $(ZLIB_LIB) - @echo Cleaning done diff --git a/deps/zlib/watcom/watcom_l.mak b/deps/zlib/watcom/watcom_l.mak deleted file mode 100644 index 193eed7b318a60..00000000000000 --- a/deps/zlib/watcom/watcom_l.mak +++ /dev/null @@ -1,43 +0,0 @@ -# Makefile for zlib -# OpenWatcom large model -# Last updated: 28-Dec-2005 - -# To use, do "wmake -f watcom_l.mak" - -C_SOURCE = adler32.c compress.c crc32.c deflate.c & - gzclose.c gzlib.c gzread.c gzwrite.c & - infback.c inffast.c inflate.c inftrees.c & - trees.c uncompr.c zutil.c - -OBJS = adler32.obj compress.obj crc32.obj deflate.obj & - gzclose.obj gzlib.obj gzread.obj gzwrite.obj & - infback.obj inffast.obj inflate.obj inftrees.obj & - trees.obj uncompr.obj zutil.obj - -CC = wcc -LINKER = wcl -CFLAGS = -zq -ml -s -bt=dos -oilrtfm -fr=nul -wx -ZLIB_LIB = zlib_l.lib - -.C.OBJ: - $(CC) $(CFLAGS) $[@ - -all: $(ZLIB_LIB) example.exe minigzip.exe - -$(ZLIB_LIB): $(OBJS) - wlib -b -c $(ZLIB_LIB) -+adler32.obj -+compress.obj -+crc32.obj - wlib -b -c $(ZLIB_LIB) -+gzclose.obj -+gzlib.obj -+gzread.obj -+gzwrite.obj - wlib -b -c $(ZLIB_LIB) -+deflate.obj -+infback.obj - wlib -b -c $(ZLIB_LIB) -+inffast.obj -+inflate.obj -+inftrees.obj - wlib -b -c $(ZLIB_LIB) -+trees.obj -+uncompr.obj -+zutil.obj - -example.exe: $(ZLIB_LIB) example.obj - $(LINKER) -fe=example.exe example.obj $(ZLIB_LIB) - -minigzip.exe: $(ZLIB_LIB) minigzip.obj - $(LINKER) -fe=minigzip.exe minigzip.obj $(ZLIB_LIB) - -clean: .SYMBOLIC - del *.obj - del $(ZLIB_LIB) - @echo Cleaning done diff --git a/deps/zlib/win32/DLL_FAQ.txt b/deps/zlib/win32/DLL_FAQ.txt deleted file mode 100644 index 12c009018c3775..00000000000000 --- a/deps/zlib/win32/DLL_FAQ.txt +++ /dev/null @@ -1,397 +0,0 @@ - - Frequently Asked Questions about ZLIB1.DLL - - -This document describes the design, the rationale, and the usage -of the official DLL build of zlib, named ZLIB1.DLL. If you have -general questions about zlib, you should see the file "FAQ" found -in the zlib distribution, or at the following location: - http://www.gzip.org/zlib/zlib_faq.html - - - 1. What is ZLIB1.DLL, and how can I get it? - - - ZLIB1.DLL is the official build of zlib as a DLL. - (Please remark the character '1' in the name.) - - Pointers to a precompiled ZLIB1.DLL can be found in the zlib - web site at: - http://www.zlib.net/ - - Applications that link to ZLIB1.DLL can rely on the following - specification: - - * The exported symbols are exclusively defined in the source - files "zlib.h" and "zlib.def", found in an official zlib - source distribution. - * The symbols are exported by name, not by ordinal. - * The exported names are undecorated. - * The calling convention of functions is "C" (CDECL). - * The ZLIB1.DLL binary is linked to MSVCRT.DLL. - - The archive in which ZLIB1.DLL is bundled contains compiled - test programs that must run with a valid build of ZLIB1.DLL. - It is recommended to download the prebuilt DLL from the zlib - web site, instead of building it yourself, to avoid potential - incompatibilities that could be introduced by your compiler - and build settings. If you do build the DLL yourself, please - make sure that it complies with all the above requirements, - and it runs with the precompiled test programs, bundled with - the original ZLIB1.DLL distribution. - - If, for any reason, you need to build an incompatible DLL, - please use a different file name. - - - 2. Why did you change the name of the DLL to ZLIB1.DLL? - What happened to the old ZLIB.DLL? - - - The old ZLIB.DLL, built from zlib-1.1.4 or earlier, required - compilation settings that were incompatible to those used by - a static build. The DLL settings were supposed to be enabled - by defining the macro ZLIB_DLL, before including "zlib.h". - Incorrect handling of this macro was silently accepted at - build time, resulting in two major problems: - - * ZLIB_DLL was missing from the old makefile. When building - the DLL, not all people added it to the build options. In - consequence, incompatible incarnations of ZLIB.DLL started - to circulate around the net. - - * When switching from using the static library to using the - DLL, applications had to define the ZLIB_DLL macro and - to recompile all the sources that contained calls to zlib - functions. Failure to do so resulted in creating binaries - that were unable to run with the official ZLIB.DLL build. - - The only possible solution that we could foresee was to make - a binary-incompatible change in the DLL interface, in order to - remove the dependency on the ZLIB_DLL macro, and to release - the new DLL under a different name. - - We chose the name ZLIB1.DLL, where '1' indicates the major - zlib version number. We hope that we will not have to break - the binary compatibility again, at least not as long as the - zlib-1.x series will last. - - There is still a ZLIB_DLL macro, that can trigger a more - efficient build and use of the DLL, but compatibility no - longer dependents on it. - - - 3. Can I build ZLIB.DLL from the new zlib sources, and replace - an old ZLIB.DLL, that was built from zlib-1.1.4 or earlier? - - - In principle, you can do it by assigning calling convention - keywords to the macros ZEXPORT and ZEXPORTVA. In practice, - it depends on what you mean by "an old ZLIB.DLL", because the - old DLL exists in several mutually-incompatible versions. - You have to find out first what kind of calling convention is - being used in your particular ZLIB.DLL build, and to use the - same one in the new build. If you don't know what this is all - about, you might be better off if you would just leave the old - DLL intact. - - - 4. Can I compile my application using the new zlib interface, and - link it to an old ZLIB.DLL, that was built from zlib-1.1.4 or - earlier? - - - The official answer is "no"; the real answer depends again on - what kind of ZLIB.DLL you have. Even if you are lucky, this - course of action is unreliable. - - If you rebuild your application and you intend to use a newer - version of zlib (post- 1.1.4), it is strongly recommended to - link it to the new ZLIB1.DLL. - - - 5. Why are the zlib symbols exported by name, and not by ordinal? - - - Although exporting symbols by ordinal is a little faster, it - is risky. Any single glitch in the maintenance or use of the - DEF file that contains the ordinals can result in incompatible - builds and frustrating crashes. Simply put, the benefits of - exporting symbols by ordinal do not justify the risks. - - Technically, it should be possible to maintain ordinals in - the DEF file, and still export the symbols by name. Ordinals - exist in every DLL, and even if the dynamic linking performed - at the DLL startup is searching for names, ordinals serve as - hints, for a faster name lookup. However, if the DEF file - contains ordinals, the Microsoft linker automatically builds - an implib that will cause the executables linked to it to use - those ordinals, and not the names. It is interesting to - notice that the GNU linker for Win32 does not suffer from this - problem. - - It is possible to avoid the DEF file if the exported symbols - are accompanied by a "__declspec(dllexport)" attribute in the - source files. You can do this in zlib by predefining the - ZLIB_DLL macro. - - - 6. I see that the ZLIB1.DLL functions use the "C" (CDECL) calling - convention. Why not use the STDCALL convention? - STDCALL is the standard convention in Win32, and I need it in - my Visual Basic project! - - (For readability, we use CDECL to refer to the convention - triggered by the "__cdecl" keyword, STDCALL to refer to - the convention triggered by "__stdcall", and FASTCALL to - refer to the convention triggered by "__fastcall".) - - - Most of the native Windows API functions (without varargs) use - indeed the WINAPI convention (which translates to STDCALL in - Win32), but the standard C functions use CDECL. If a user - application is intrinsically tied to the Windows API (e.g. - it calls native Windows API functions such as CreateFile()), - sometimes it makes sense to decorate its own functions with - WINAPI. But if ANSI C or POSIX portability is a goal (e.g. - it calls standard C functions such as fopen()), it is not a - sound decision to request the inclusion of , or to - use non-ANSI constructs, for the sole purpose to make the user - functions STDCALL-able. - - The functionality offered by zlib is not in the category of - "Windows functionality", but is more like "C functionality". - - Technically, STDCALL is not bad; in fact, it is slightly - faster than CDECL, and it works with variable-argument - functions, just like CDECL. It is unfortunate that, in spite - of using STDCALL in the Windows API, it is not the default - convention used by the C compilers that run under Windows. - The roots of the problem reside deep inside the unsafety of - the K&R-style function prototypes, where the argument types - are not specified; but that is another story for another day. - - The remaining fact is that CDECL is the default convention. - Even if an explicit convention is hard-coded into the function - prototypes inside C headers, problems may appear. The - necessity to expose the convention in users' callbacks is one - of these problems. - - The calling convention issues are also important when using - zlib in other programming languages. Some of them, like Ada - (GNAT) and Fortran (GNU G77), have C bindings implemented - initially on Unix, and relying on the C calling convention. - On the other hand, the pre- .NET versions of Microsoft Visual - Basic require STDCALL, while Borland Delphi prefers, although - it does not require, FASTCALL. - - In fairness to all possible uses of zlib outside the C - programming language, we choose the default "C" convention. - Anyone interested in different bindings or conventions is - encouraged to maintain specialized projects. The "contrib/" - directory from the zlib distribution already holds a couple - of foreign bindings, such as Ada, C++, and Delphi. - - - 7. I need a DLL for my Visual Basic project. What can I do? - - - Define the ZLIB_WINAPI macro before including "zlib.h", when - building both the DLL and the user application (except that - you don't need to define anything when using the DLL in Visual - Basic). The ZLIB_WINAPI macro will switch on the WINAPI - (STDCALL) convention. The name of this DLL must be different - than the official ZLIB1.DLL. - - Gilles Vollant has contributed a build named ZLIBWAPI.DLL, - with the ZLIB_WINAPI macro turned on, and with the minizip - functionality built in. For more information, please read - the notes inside "contrib/vstudio/readme.txt", found in the - zlib distribution. - - - 8. I need to use zlib in my Microsoft .NET project. What can I - do? - - - Henrik Ravn has contributed a .NET wrapper around zlib. Look - into contrib/dotzlib/, inside the zlib distribution. - - - 9. If my application uses ZLIB1.DLL, should I link it to - MSVCRT.DLL? Why? - - - It is not required, but it is recommended to link your - application to MSVCRT.DLL, if it uses ZLIB1.DLL. - - The executables (.EXE, .DLL, etc.) that are involved in the - same process and are using the C run-time library (i.e. they - are calling standard C functions), must link to the same - library. There are several libraries in the Win32 system: - CRTDLL.DLL, MSVCRT.DLL, the static C libraries, etc. - Since ZLIB1.DLL is linked to MSVCRT.DLL, the executables that - depend on it should also be linked to MSVCRT.DLL. - - -10. Why are you saying that ZLIB1.DLL and my application should - be linked to the same C run-time (CRT) library? I linked my - application and my DLLs to different C libraries (e.g. my - application to a static library, and my DLLs to MSVCRT.DLL), - and everything works fine. - - - If a user library invokes only pure Win32 API (accessible via - and the related headers), its DLL build will work - in any context. But if this library invokes standard C API, - things get more complicated. - - There is a single Win32 library in a Win32 system. Every - function in this library resides in a single DLL module, that - is safe to call from anywhere. On the other hand, there are - multiple versions of the C library, and each of them has its - own separate internal state. Standalone executables and user - DLLs that call standard C functions must link to a C run-time - (CRT) library, be it static or shared (DLL). Intermixing - occurs when an executable (not necessarily standalone) and a - DLL are linked to different CRTs, and both are running in the - same process. - - Intermixing multiple CRTs is possible, as long as their - internal states are kept intact. The Microsoft Knowledge Base - articles KB94248 "HOWTO: Use the C Run-Time" and KB140584 - "HOWTO: Link with the Correct C Run-Time (CRT) Library" - mention the potential problems raised by intermixing. - - If intermixing works for you, it's because your application - and DLLs are avoiding the corruption of each of the CRTs' - internal states, maybe by careful design, or maybe by fortune. - - Also note that linking ZLIB1.DLL to non-Microsoft CRTs, such - as those provided by Borland, raises similar problems. - - -11. Why are you linking ZLIB1.DLL to MSVCRT.DLL? - - - MSVCRT.DLL exists on every Windows 95 with a new service pack - installed, or with Microsoft Internet Explorer 4 or later, and - on all other Windows 4.x or later (Windows 98, Windows NT 4, - or later). It is freely distributable; if not present in the - system, it can be downloaded from Microsoft or from other - software provider for free. - - The fact that MSVCRT.DLL does not exist on a virgin Windows 95 - is not so problematic. Windows 95 is scarcely found nowadays, - Microsoft ended its support a long time ago, and many recent - applications from various vendors, including Microsoft, do not - even run on it. Furthermore, no serious user should run - Windows 95 without a proper update installed. - - -12. Why are you not linking ZLIB1.DLL to - <> ? - - - We considered and abandoned the following alternatives: - - * Linking ZLIB1.DLL to a static C library (LIBC.LIB, or - LIBCMT.LIB) is not a good option. People are using the DLL - mainly to save disk space. If you are linking your program - to a static C library, you may as well consider linking zlib - in statically, too. - - * Linking ZLIB1.DLL to CRTDLL.DLL looks appealing, because - CRTDLL.DLL is present on every Win32 installation. - Unfortunately, it has a series of problems: it does not - work properly with Microsoft's C++ libraries, it does not - provide support for 64-bit file offsets, (and so on...), - and Microsoft discontinued its support a long time ago. - - * Linking ZLIB1.DLL to MSVCR70.DLL or MSVCR71.DLL, supplied - with the Microsoft .NET platform, and Visual C++ 7.0/7.1, - raises problems related to the status of ZLIB1.DLL as a - system component. According to the Microsoft Knowledge Base - article KB326922 "INFO: Redistribution of the Shared C - Runtime Component in Visual C++ .NET", MSVCR70.DLL and - MSVCR71.DLL are not supposed to function as system DLLs, - because they may clash with MSVCRT.DLL. Instead, the - application's installer is supposed to put these DLLs - (if needed) in the application's private directory. - If ZLIB1.DLL depends on a non-system runtime, it cannot - function as a redistributable system component. - - * Linking ZLIB1.DLL to non-Microsoft runtimes, such as - Borland's, or Cygwin's, raises problems related to the - reliable presence of these runtimes on Win32 systems. - It's easier to let the DLL build of zlib up to the people - who distribute these runtimes, and who may proceed as - explained in the answer to Question 14. - - -13. If ZLIB1.DLL cannot be linked to MSVCR70.DLL or MSVCR71.DLL, - how can I build/use ZLIB1.DLL in Microsoft Visual C++ 7.0 - (Visual Studio .NET) or newer? - - - Due to the problems explained in the Microsoft Knowledge Base - article KB326922 (see the previous answer), the C runtime that - comes with the VC7 environment is no longer considered a - system component. That is, it should not be assumed that this - runtime exists, or may be installed in a system directory. - Since ZLIB1.DLL is supposed to be a system component, it may - not depend on a non-system component. - - In order to link ZLIB1.DLL and your application to MSVCRT.DLL - in VC7, you need the library of Visual C++ 6.0 or older. If - you don't have this library at hand, it's probably best not to - use ZLIB1.DLL. - - We are hoping that, in the future, Microsoft will provide a - way to build applications linked to a proper system runtime, - from the Visual C++ environment. Until then, you have a - couple of alternatives, such as linking zlib in statically. - If your application requires dynamic linking, you may proceed - as explained in the answer to Question 14. - - -14. I need to link my own DLL build to a CRT different than - MSVCRT.DLL. What can I do? - - - Feel free to rebuild the DLL from the zlib sources, and link - it the way you want. You should, however, clearly state that - your build is unofficial. You should give it a different file - name, and/or install it in a private directory that can be - accessed by your application only, and is not visible to the - others (i.e. it's neither in the PATH, nor in the SYSTEM or - SYSTEM32 directories). Otherwise, your build may clash with - applications that link to the official build. - - For example, in Cygwin, zlib is linked to the Cygwin runtime - CYGWIN1.DLL, and it is distributed under the name CYGZ.DLL. - - -15. May I include additional pieces of code that I find useful, - link them in ZLIB1.DLL, and export them? - - - No. A legitimate build of ZLIB1.DLL must not include code - that does not originate from the official zlib source code. - But you can make your own private DLL build, under a different - file name, as suggested in the previous answer. - - For example, zlib is a part of the VCL library, distributed - with Borland Delphi and C++ Builder. The DLL build of VCL - is a redistributable file, named VCLxx.DLL. - - -16. May I remove some functionality out of ZLIB1.DLL, by enabling - macros like NO_GZCOMPRESS or NO_GZIP at compile time? - - - No. A legitimate build of ZLIB1.DLL must provide the complete - zlib functionality, as implemented in the official zlib source - code. But you can make your own private DLL build, under a - different file name, as suggested in the previous answer. - - -17. I made my own ZLIB1.DLL build. Can I test it for compliance? - - - We prefer that you download the official DLL from the zlib - web site. If you need something peculiar from this DLL, you - can send your suggestion to the zlib mailing list. - - However, in case you do rebuild the DLL yourself, you can run - it with the test programs found in the DLL distribution. - Running these test programs is not a guarantee of compliance, - but a failure can imply a detected problem. - -** - -This document is written and maintained by -Cosmin Truta diff --git a/deps/zlib/win32/Makefile.bor b/deps/zlib/win32/Makefile.bor deleted file mode 100644 index d152bbb7ffd951..00000000000000 --- a/deps/zlib/win32/Makefile.bor +++ /dev/null @@ -1,110 +0,0 @@ -# Makefile for zlib -# Borland C++ for Win32 -# -# Usage: -# make -f win32/Makefile.bor -# make -f win32/Makefile.bor LOCAL_ZLIB=-DASMV OBJA=match.obj OBJPA=+match.obj - -# ------------ Borland C++ ------------ - -# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7) -# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or -# added to the declaration of LOC here: -LOC = $(LOCAL_ZLIB) - -CC = bcc32 -AS = bcc32 -LD = bcc32 -AR = tlib -CFLAGS = -a -d -k- -O2 $(LOC) -ASFLAGS = $(LOC) -LDFLAGS = $(LOC) - - -# variables -ZLIB_LIB = zlib.lib - -OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj -OBJ2 = gzwrite.obj infback.obj inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj -#OBJA = -OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzclose.obj+gzlib.obj+gzread.obj -OBJP2 = +gzwrite.obj+infback.obj+inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj -#OBJPA= - - -# targets -all: $(ZLIB_LIB) example.exe minigzip.exe - -.c.obj: - $(CC) -c $(CFLAGS) $< - -.asm.obj: - $(AS) -c $(ASFLAGS) $< - -adler32.obj: adler32.c zlib.h zconf.h - -compress.obj: compress.c zlib.h zconf.h - -crc32.obj: crc32.c zlib.h zconf.h crc32.h - -deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h - -gzclose.obj: gzclose.c zlib.h zconf.h gzguts.h - -gzlib.obj: gzlib.c zlib.h zconf.h gzguts.h - -gzread.obj: gzread.c zlib.h zconf.h gzguts.h - -gzwrite.obj: gzwrite.c zlib.h zconf.h gzguts.h - -infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h inffixed.h - -inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h - -inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ - inffast.h inffixed.h - -inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h - -trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h - -uncompr.obj: uncompr.c zlib.h zconf.h - -zutil.obj: zutil.c zutil.h zlib.h zconf.h - -example.obj: test/example.c zlib.h zconf.h - -minigzip.obj: test/minigzip.c zlib.h zconf.h - - -# For the sake of the old Borland make, -# the command line is cut to fit in the MS-DOS 128 byte limit: -$(ZLIB_LIB): $(OBJ1) $(OBJ2) $(OBJA) - -del $(ZLIB_LIB) - $(AR) $(ZLIB_LIB) $(OBJP1) - $(AR) $(ZLIB_LIB) $(OBJP2) - $(AR) $(ZLIB_LIB) $(OBJPA) - - -# testing -test: example.exe minigzip.exe - example - echo hello world | minigzip | minigzip -d - -example.exe: example.obj $(ZLIB_LIB) - $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) - -minigzip.exe: minigzip.obj $(ZLIB_LIB) - $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) - - -# cleanup -clean: - -del $(ZLIB_LIB) - -del *.obj - -del *.exe - -del *.tds - -del zlib.bak - -del foo.gz diff --git a/deps/zlib/win32/Makefile.gcc b/deps/zlib/win32/Makefile.gcc deleted file mode 100644 index 305be50afef665..00000000000000 --- a/deps/zlib/win32/Makefile.gcc +++ /dev/null @@ -1,182 +0,0 @@ -# Makefile for zlib, derived from Makefile.dj2. -# Modified for mingw32 by C. Spieler, 6/16/98. -# Updated for zlib 1.2.x by Christian Spieler and Cosmin Truta, Mar-2003. -# Last updated: Mar 2012. -# Tested under Cygwin and MinGW. - -# Copyright (C) 1995-2003 Jean-loup Gailly. -# For conditions of distribution and use, see copyright notice in zlib.h - -# To compile, or to compile and test, type from the top level zlib directory: -# -# make -fwin32/Makefile.gcc; make test testdll -fwin32/Makefile.gcc -# -# To use the asm code, type: -# cp contrib/asm?86/match.S ./match.S -# make LOC=-DASMV OBJA=match.o -fwin32/Makefile.gcc -# -# To install libz.a, zconf.h and zlib.h in the system directories, type: -# -# make install -fwin32/Makefile.gcc -# -# BINARY_PATH, INCLUDE_PATH and LIBRARY_PATH must be set. -# -# To install the shared lib, append SHARED_MODE=1 to the make command : -# -# make install -fwin32/Makefile.gcc SHARED_MODE=1 - -# Note: -# If the platform is *not* MinGW (e.g. it is Cygwin or UWIN), -# the DLL name should be changed from "zlib1.dll". - -STATICLIB = libz.a -SHAREDLIB = zlib1.dll -IMPLIB = libz.dll.a - -# -# Set to 1 if shared object needs to be installed -# -SHARED_MODE=0 - -#LOC = -DASMV -#LOC = -DZLIB_DEBUG -g - -PREFIX = -CC = $(PREFIX)gcc -CFLAGS = $(LOC) -O3 -Wall - -AS = $(CC) -ASFLAGS = $(LOC) -Wall - -LD = $(CC) -LDFLAGS = $(LOC) - -AR = $(PREFIX)ar -ARFLAGS = rcs - -RC = $(PREFIX)windres -RCFLAGS = --define GCC_WINDRES - -STRIP = $(PREFIX)strip - -CP = cp -fp -# If GNU install is available, replace $(CP) with install. -INSTALL = $(CP) -RM = rm -f - -prefix ?= /usr/local -exec_prefix = $(prefix) - -OBJS = adler32.o compress.o crc32.o deflate.o gzclose.o gzlib.o gzread.o \ - gzwrite.o infback.o inffast.o inflate.o inftrees.o trees.o uncompr.o zutil.o -OBJA = - -all: $(STATICLIB) $(SHAREDLIB) $(IMPLIB) example.exe minigzip.exe example_d.exe minigzip_d.exe - -test: example.exe minigzip.exe - ./example - echo hello world | ./minigzip | ./minigzip -d - -testdll: example_d.exe minigzip_d.exe - ./example_d - echo hello world | ./minigzip_d | ./minigzip_d -d - -.c.o: - $(CC) $(CFLAGS) -c -o $@ $< - -.S.o: - $(AS) $(ASFLAGS) -c -o $@ $< - -$(STATICLIB): $(OBJS) $(OBJA) - $(AR) $(ARFLAGS) $@ $(OBJS) $(OBJA) - -$(IMPLIB): $(SHAREDLIB) - -$(SHAREDLIB): win32/zlib.def $(OBJS) $(OBJA) zlibrc.o - $(CC) -shared -Wl,--out-implib,$(IMPLIB) $(LDFLAGS) \ - -o $@ win32/zlib.def $(OBJS) $(OBJA) zlibrc.o - $(STRIP) $@ - -example.exe: example.o $(STATICLIB) - $(LD) $(LDFLAGS) -o $@ example.o $(STATICLIB) - $(STRIP) $@ - -minigzip.exe: minigzip.o $(STATICLIB) - $(LD) $(LDFLAGS) -o $@ minigzip.o $(STATICLIB) - $(STRIP) $@ - -example_d.exe: example.o $(IMPLIB) - $(LD) $(LDFLAGS) -o $@ example.o $(IMPLIB) - $(STRIP) $@ - -minigzip_d.exe: minigzip.o $(IMPLIB) - $(LD) $(LDFLAGS) -o $@ minigzip.o $(IMPLIB) - $(STRIP) $@ - -example.o: test/example.c zlib.h zconf.h - $(CC) $(CFLAGS) -I. -c -o $@ test/example.c - -minigzip.o: test/minigzip.c zlib.h zconf.h - $(CC) $(CFLAGS) -I. -c -o $@ test/minigzip.c - -zlibrc.o: win32/zlib1.rc - $(RC) $(RCFLAGS) -o $@ win32/zlib1.rc - -.PHONY: install uninstall clean - -install: zlib.h zconf.h $(STATICLIB) $(IMPLIB) - @if test -z "$(DESTDIR)$(INCLUDE_PATH)" -o -z "$(DESTDIR)$(LIBRARY_PATH)" -o -z "$(DESTDIR)$(BINARY_PATH)"; then \ - echo INCLUDE_PATH, LIBRARY_PATH, and BINARY_PATH must be specified; \ - exit 1; \ - fi - -@mkdir -p '$(DESTDIR)$(INCLUDE_PATH)' - -@mkdir -p '$(DESTDIR)$(LIBRARY_PATH)' '$(DESTDIR)$(LIBRARY_PATH)'/pkgconfig - -if [ "$(SHARED_MODE)" = "1" ]; then \ - mkdir -p '$(DESTDIR)$(BINARY_PATH)'; \ - $(INSTALL) $(SHAREDLIB) '$(DESTDIR)$(BINARY_PATH)'; \ - $(INSTALL) $(IMPLIB) '$(DESTDIR)$(LIBRARY_PATH)'; \ - fi - -$(INSTALL) zlib.h '$(DESTDIR)$(INCLUDE_PATH)' - -$(INSTALL) zconf.h '$(DESTDIR)$(INCLUDE_PATH)' - -$(INSTALL) $(STATICLIB) '$(DESTDIR)$(LIBRARY_PATH)' - sed \ - -e 's|@prefix@|${prefix}|g' \ - -e 's|@exec_prefix@|${exec_prefix}|g' \ - -e 's|@libdir@|$(LIBRARY_PATH)|g' \ - -e 's|@sharedlibdir@|$(LIBRARY_PATH)|g' \ - -e 's|@includedir@|$(INCLUDE_PATH)|g' \ - -e 's|@VERSION@|'`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' zlib.h`'|g' \ - zlib.pc.in > '$(DESTDIR)$(LIBRARY_PATH)'/pkgconfig/zlib.pc - -uninstall: - -if [ "$(SHARED_MODE)" = "1" ]; then \ - $(RM) '$(DESTDIR)$(BINARY_PATH)'/$(SHAREDLIB); \ - $(RM) '$(DESTDIR)$(LIBRARY_PATH)'/$(IMPLIB); \ - fi - -$(RM) '$(DESTDIR)$(INCLUDE_PATH)'/zlib.h - -$(RM) '$(DESTDIR)$(INCLUDE_PATH)'/zconf.h - -$(RM) '$(DESTDIR)$(LIBRARY_PATH)'/$(STATICLIB) - -clean: - -$(RM) $(STATICLIB) - -$(RM) $(SHAREDLIB) - -$(RM) $(IMPLIB) - -$(RM) *.o - -$(RM) *.exe - -$(RM) foo.gz - -adler32.o: zlib.h zconf.h -compress.o: zlib.h zconf.h -crc32.o: crc32.h zlib.h zconf.h -deflate.o: deflate.h zutil.h zlib.h zconf.h -gzclose.o: zlib.h zconf.h gzguts.h -gzlib.o: zlib.h zconf.h gzguts.h -gzread.o: zlib.h zconf.h gzguts.h -gzwrite.o: zlib.h zconf.h gzguts.h -inffast.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h -inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h -infback.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h -inftrees.o: zutil.h zlib.h zconf.h inftrees.h -trees.o: deflate.h zutil.h zlib.h zconf.h trees.h -uncompr.o: zlib.h zconf.h -zutil.o: zutil.h zlib.h zconf.h diff --git a/deps/zlib/win32/Makefile.msc b/deps/zlib/win32/Makefile.msc deleted file mode 100644 index 6831882de43e6c..00000000000000 --- a/deps/zlib/win32/Makefile.msc +++ /dev/null @@ -1,163 +0,0 @@ -# Makefile for zlib using Microsoft (Visual) C -# zlib is copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler -# -# Usage: -# nmake -f win32/Makefile.msc (standard build) -# nmake -f win32/Makefile.msc LOC=-DFOO (nonstandard build) -# nmake -f win32/Makefile.msc LOC="-DASMV -DASMINF" \ -# OBJA="inffas32.obj match686.obj" (use ASM code, x86) -# nmake -f win32/Makefile.msc AS=ml64 LOC="-DASMV -DASMINF -I." \ -# OBJA="inffasx64.obj gvmat64.obj inffas8664.obj" (use ASM code, x64) - -# The toplevel directory of the source tree. -# -TOP = . - -# optional build flags -LOC = - -# variables -STATICLIB = zlib.lib -SHAREDLIB = zlib1.dll -IMPLIB = zdll.lib - -CC = cl -AS = ml -LD = link -AR = lib -RC = rc -CFLAGS = -nologo -MD -W3 -O2 -Oy- -Zi -Fd"zlib" $(LOC) -WFLAGS = -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -ASFLAGS = -coff -Zi $(LOC) -LDFLAGS = -nologo -debug -incremental:no -opt:ref -ARFLAGS = -nologo -RCFLAGS = /dWIN32 /r - -OBJS = adler32.obj compress.obj crc32.obj deflate.obj gzclose.obj gzlib.obj gzread.obj \ - gzwrite.obj infback.obj inflate.obj inftrees.obj inffast.obj trees.obj uncompr.obj zutil.obj -OBJA = - - -# targets -all: $(STATICLIB) $(SHAREDLIB) $(IMPLIB) \ - example.exe minigzip.exe example_d.exe minigzip_d.exe - -$(STATICLIB): $(OBJS) $(OBJA) - $(AR) $(ARFLAGS) -out:$@ $(OBJS) $(OBJA) - -$(IMPLIB): $(SHAREDLIB) - -$(SHAREDLIB): $(TOP)/win32/zlib.def $(OBJS) $(OBJA) zlib1.res - $(LD) $(LDFLAGS) -def:$(TOP)/win32/zlib.def -dll -implib:$(IMPLIB) \ - -out:$@ -base:0x5A4C0000 $(OBJS) $(OBJA) zlib1.res - if exist $@.manifest \ - mt -nologo -manifest $@.manifest -outputresource:$@;2 - -example.exe: example.obj $(STATICLIB) - $(LD) $(LDFLAGS) example.obj $(STATICLIB) - if exist $@.manifest \ - mt -nologo -manifest $@.manifest -outputresource:$@;1 - -minigzip.exe: minigzip.obj $(STATICLIB) - $(LD) $(LDFLAGS) minigzip.obj $(STATICLIB) - if exist $@.manifest \ - mt -nologo -manifest $@.manifest -outputresource:$@;1 - -example_d.exe: example.obj $(IMPLIB) - $(LD) $(LDFLAGS) -out:$@ example.obj $(IMPLIB) - if exist $@.manifest \ - mt -nologo -manifest $@.manifest -outputresource:$@;1 - -minigzip_d.exe: minigzip.obj $(IMPLIB) - $(LD) $(LDFLAGS) -out:$@ minigzip.obj $(IMPLIB) - if exist $@.manifest \ - mt -nologo -manifest $@.manifest -outputresource:$@;1 - -{$(TOP)}.c.obj: - $(CC) -c $(WFLAGS) $(CFLAGS) $< - -{$(TOP)/test}.c.obj: - $(CC) -c -I$(TOP) $(WFLAGS) $(CFLAGS) $< - -{$(TOP)/contrib/masmx64}.c.obj: - $(CC) -c $(WFLAGS) $(CFLAGS) $< - -{$(TOP)/contrib/masmx64}.asm.obj: - $(AS) -c $(ASFLAGS) $< - -{$(TOP)/contrib/masmx86}.asm.obj: - $(AS) -c $(ASFLAGS) $< - -adler32.obj: $(TOP)/adler32.c $(TOP)/zlib.h $(TOP)/zconf.h - -compress.obj: $(TOP)/compress.c $(TOP)/zlib.h $(TOP)/zconf.h - -crc32.obj: $(TOP)/crc32.c $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/crc32.h - -deflate.obj: $(TOP)/deflate.c $(TOP)/deflate.h $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h - -gzclose.obj: $(TOP)/gzclose.c $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/gzguts.h - -gzlib.obj: $(TOP)/gzlib.c $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/gzguts.h - -gzread.obj: $(TOP)/gzread.c $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/gzguts.h - -gzwrite.obj: $(TOP)/gzwrite.c $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/gzguts.h - -infback.obj: $(TOP)/infback.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/inftrees.h $(TOP)/inflate.h \ - $(TOP)/inffast.h $(TOP)/inffixed.h - -inffast.obj: $(TOP)/inffast.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/inftrees.h $(TOP)/inflate.h \ - $(TOP)/inffast.h - -inflate.obj: $(TOP)/inflate.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/inftrees.h $(TOP)/inflate.h \ - $(TOP)/inffast.h $(TOP)/inffixed.h - -inftrees.obj: $(TOP)/inftrees.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/inftrees.h - -trees.obj: $(TOP)/trees.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h $(TOP)/deflate.h $(TOP)/trees.h - -uncompr.obj: $(TOP)/uncompr.c $(TOP)/zlib.h $(TOP)/zconf.h - -zutil.obj: $(TOP)/zutil.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h - -gvmat64.obj: $(TOP)/contrib\masmx64\gvmat64.asm - -inffasx64.obj: $(TOP)/contrib\masmx64\inffasx64.asm - -inffas8664.obj: $(TOP)/contrib\masmx64\inffas8664.c $(TOP)/zutil.h $(TOP)/zlib.h $(TOP)/zconf.h \ - $(TOP)/inftrees.h $(TOP)/inflate.h $(TOP)/inffast.h - -inffas32.obj: $(TOP)/contrib\masmx86\inffas32.asm - -match686.obj: $(TOP)/contrib\masmx86\match686.asm - -example.obj: $(TOP)/test/example.c $(TOP)/zlib.h $(TOP)/zconf.h - -minigzip.obj: $(TOP)/test/minigzip.c $(TOP)/zlib.h $(TOP)/zconf.h - -zlib1.res: $(TOP)/win32/zlib1.rc - $(RC) $(RCFLAGS) /fo$@ $(TOP)/win32/zlib1.rc - -# testing -test: example.exe minigzip.exe - example - echo hello world | minigzip | minigzip -d - -testdll: example_d.exe minigzip_d.exe - example_d - echo hello world | minigzip_d | minigzip_d -d - - -# cleanup -clean: - -del $(STATICLIB) - -del $(SHAREDLIB) - -del $(IMPLIB) - -del *.obj - -del *.res - -del *.exp - -del *.exe - -del *.pdb - -del *.manifest - -del foo.gz diff --git a/deps/zlib/win32/README-WIN32.txt b/deps/zlib/win32/README-WIN32.txt deleted file mode 100644 index df7ab7f4b34f90..00000000000000 --- a/deps/zlib/win32/README-WIN32.txt +++ /dev/null @@ -1,103 +0,0 @@ -ZLIB DATA COMPRESSION LIBRARY - -zlib 1.2.11 is a general purpose data compression library. All the code is -thread safe. The data format used by the zlib library is described by RFCs -(Request for Comments) 1950 to 1952 in the files -http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format) -and rfc1952.txt (gzip format). - -All functions of the compression library are documented in the file zlib.h -(volunteer to write man pages welcome, contact zlib@gzip.org). Two compiled -examples are distributed in this package, example and minigzip. The example_d -and minigzip_d flavors validate that the zlib1.dll file is working correctly. - -Questions about zlib should be sent to . The zlib home page -is http://zlib.net/ . Before reporting a problem, please check this site to -verify that you have the latest version of zlib; otherwise get the latest -version and check whether the problem still exists or not. - -PLEASE read DLL_FAQ.txt, and the the zlib FAQ http://zlib.net/zlib_faq.html -before asking for help. - - -Manifest: - -The package zlib-1.2.11-win32-x86.zip will contain the following files: - - README-WIN32.txt This document - ChangeLog Changes since previous zlib packages - DLL_FAQ.txt Frequently asked questions about zlib1.dll - zlib.3.pdf Documentation of this library in Adobe Acrobat format - - example.exe A statically-bound example (using zlib.lib, not the dll) - example.pdb Symbolic information for debugging example.exe - - example_d.exe A zlib1.dll bound example (using zdll.lib) - example_d.pdb Symbolic information for debugging example_d.exe - - minigzip.exe A statically-bound test program (using zlib.lib, not the dll) - minigzip.pdb Symbolic information for debugging minigzip.exe - - minigzip_d.exe A zlib1.dll bound test program (using zdll.lib) - minigzip_d.pdb Symbolic information for debugging minigzip_d.exe - - zlib.h Install these files into the compilers' INCLUDE path to - zconf.h compile programs which use zlib.lib or zdll.lib - - zdll.lib Install these files into the compilers' LIB path if linking - zdll.exp a compiled program to the zlib1.dll binary - - zlib.lib Install these files into the compilers' LIB path to link zlib - zlib.pdb into compiled programs, without zlib1.dll runtime dependency - (zlib.pdb provides debugging info to the compile time linker) - - zlib1.dll Install this binary shared library into the system PATH, or - the program's runtime directory (where the .exe resides) - zlib1.pdb Install in the same directory as zlib1.dll, in order to debug - an application crash using WinDbg or similar tools. - -All .pdb files above are entirely optional, but are very useful to a developer -attempting to diagnose program misbehavior or a crash. Many additional -important files for developers can be found in the zlib127.zip source package -available from http://zlib.net/ - review that package's README file for details. - - -Acknowledgments: - -The deflate format used by zlib was defined by Phil Katz. The deflate and -zlib specifications were written by L. Peter Deutsch. Thanks to all the -people who reported problems and suggested various improvements in zlib; they -are too numerous to cite here. - - -Copyright notice: - - (C) 1995-2017 Jean-loup Gailly and Mark Adler - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - Jean-loup Gailly Mark Adler - jloup@gzip.org madler@alumni.caltech.edu - -If you use the zlib library in a product, we would appreciate *not* receiving -lengthy legal documents to sign. The sources are provided for free but without -warranty of any kind. The library has been entirely written by Jean-loup -Gailly and Mark Adler; it does not include third-party code. - -If you redistribute modified sources, we would appreciate that you include in -the file ChangeLog history information documenting your changes. Please read -the FAQ for more information on the distribution of modified source versions. diff --git a/deps/zlib/win32/VisualC.txt b/deps/zlib/win32/VisualC.txt deleted file mode 100644 index 1005b219410c77..00000000000000 --- a/deps/zlib/win32/VisualC.txt +++ /dev/null @@ -1,3 +0,0 @@ - -To build zlib using the Microsoft Visual C++ environment, -use the appropriate project from the contrib/vstudio/ directory. diff --git a/deps/zlib/win32/zlib1.rc b/deps/zlib/win32/zlib1.rc deleted file mode 100644 index 234e641c32947a..00000000000000 --- a/deps/zlib/win32/zlib1.rc +++ /dev/null @@ -1,40 +0,0 @@ -#include -#include "../zlib.h" - -#ifdef GCC_WINDRES -VS_VERSION_INFO VERSIONINFO -#else -VS_VERSION_INFO VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE -#endif - FILEVERSION ZLIB_VER_MAJOR,ZLIB_VER_MINOR,ZLIB_VER_REVISION,0 - PRODUCTVERSION ZLIB_VER_MAJOR,ZLIB_VER_MINOR,ZLIB_VER_REVISION,0 - FILEFLAGSMASK VS_FFI_FILEFLAGSMASK -#ifdef _DEBUG - FILEFLAGS 1 -#else - FILEFLAGS 0 -#endif - FILEOS VOS__WINDOWS32 - FILETYPE VFT_DLL - FILESUBTYPE 0 // not used -BEGIN - BLOCK "StringFileInfo" - BEGIN - BLOCK "040904E4" - //language ID = U.S. English, char set = Windows, Multilingual - BEGIN - VALUE "FileDescription", "zlib data compression library\0" - VALUE "FileVersion", ZLIB_VERSION "\0" - VALUE "InternalName", "zlib1.dll\0" - VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0" - VALUE "OriginalFilename", "zlib1.dll\0" - VALUE "ProductName", "zlib\0" - VALUE "ProductVersion", ZLIB_VERSION "\0" - VALUE "Comments", "For more information visit http://www.zlib.net/\0" - END - END - BLOCK "VarFileInfo" - BEGIN - VALUE "Translation", 0x0409, 1252 - END -END diff --git a/deps/zlib/x86.c b/deps/zlib/x86.c new file mode 100644 index 00000000000000..7488ad08b976c8 --- /dev/null +++ b/deps/zlib/x86.c @@ -0,0 +1,101 @@ +/* + * x86 feature check + * + * Copyright (C) 2013 Intel Corporation. All rights reserved. + * Author: + * Jim Kukunas + * + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "x86.h" +#include "zutil.h" + +int ZLIB_INTERNAL x86_cpu_enable_ssse3 = 0; +int ZLIB_INTERNAL x86_cpu_enable_simd = 0; + +#ifndef _MSC_VER +#include + +pthread_once_t cpu_check_inited_once = PTHREAD_ONCE_INIT; +static void _x86_check_features(void); + +void x86_check_features(void) +{ + pthread_once(&cpu_check_inited_once, _x86_check_features); +} + +static void _x86_check_features(void) +{ + int x86_cpu_has_sse2; + int x86_cpu_has_ssse3; + int x86_cpu_has_sse42; + int x86_cpu_has_pclmulqdq; + unsigned eax, ebx, ecx, edx; + + eax = 1; +#ifdef __i386__ + __asm__ __volatile__ ( + "xchg %%ebx, %1\n\t" + "cpuid\n\t" + "xchg %1, %%ebx\n\t" + : "+a" (eax), "=S" (ebx), "=c" (ecx), "=d" (edx) + ); +#else + __asm__ __volatile__ ( + "cpuid\n\t" + : "+a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) + ); +#endif /* (__i386__) */ + + x86_cpu_has_sse2 = edx & 0x4000000; + x86_cpu_has_ssse3 = ecx & 0x000200; + x86_cpu_has_sse42 = ecx & 0x100000; + x86_cpu_has_pclmulqdq = ecx & 0x2; + + x86_cpu_enable_ssse3 = x86_cpu_has_ssse3; + + x86_cpu_enable_simd = x86_cpu_has_sse2 && + x86_cpu_has_sse42 && + x86_cpu_has_pclmulqdq; +} +#else +#include +#include + +static BOOL CALLBACK _x86_check_features(PINIT_ONCE once, + PVOID param, + PVOID *context); +static INIT_ONCE cpu_check_inited_once = INIT_ONCE_STATIC_INIT; + +void x86_check_features(void) +{ + InitOnceExecuteOnce(&cpu_check_inited_once, _x86_check_features, + NULL, NULL); +} + +static BOOL CALLBACK _x86_check_features(PINIT_ONCE once, + PVOID param, + PVOID *context) +{ + int x86_cpu_has_sse2; + int x86_cpu_has_ssse3; + int x86_cpu_has_sse42; + int x86_cpu_has_pclmulqdq; + int regs[4]; + + __cpuid(regs, 1); + + x86_cpu_has_sse2 = regs[3] & 0x4000000; + x86_cpu_has_ssse3 = regs[2] & 0x000200; + x86_cpu_has_sse42 = regs[2] & 0x100000; + x86_cpu_has_pclmulqdq = regs[2] & 0x2; + + x86_cpu_enable_ssse3 = x86_cpu_has_ssse3; + + x86_cpu_enable_simd = x86_cpu_has_sse2 && + x86_cpu_has_sse42 && + x86_cpu_has_pclmulqdq; + return TRUE; +} +#endif /* _MSC_VER */ diff --git a/deps/zlib/x86.h b/deps/zlib/x86.h new file mode 100644 index 00000000000000..7205d50265c356 --- /dev/null +++ b/deps/zlib/x86.h @@ -0,0 +1,16 @@ +/* x86.h -- check for x86 CPU features +* Copyright (C) 2013 Intel Corporation Jim Kukunas +* For conditions of distribution and use, see copyright notice in zlib.h +*/ + +#ifndef X86_H +#define X86_H + +#include "zlib.h" + +extern int x86_cpu_enable_ssse3; +extern int x86_cpu_enable_simd; + +void x86_check_features(void); + +#endif /* X86_H */ diff --git a/deps/zlib/zconf.h b/deps/zlib/zconf.h index 5e1d68a004e974..353fd36f17e3e5 100644 --- a/deps/zlib/zconf.h +++ b/deps/zlib/zconf.h @@ -8,6 +8,18 @@ #ifndef ZCONF_H #define ZCONF_H +/* + * This library is also built as a part of AOSP, which does not need to include + * chromeconf.h. This config does not want chromeconf.h, so it can set this + * macro to opt out. While this works today, there's no guarantee that building + * zlib outside of Chromium keeps working in the future. + */ +#if !defined(CHROMIUM_ZLIB_NO_CHROMECONF) +/* This include does prefixing as below, but with an updated set of names. Also + * sets up export macros in component builds. */ +//#include "chromeconf.h" +#endif + /* * If you *really* need a unique prefix for all types and library functions, * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. @@ -386,6 +398,9 @@ #ifndef FAR # define FAR #endif +#ifndef far +# define far +#endif #if !defined(__MACTYPES__) typedef unsigned char Byte; /* 8 bits */ @@ -431,7 +446,7 @@ typedef uLong FAR uLongf; typedef unsigned long z_crc_t; #endif -#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ +#if !defined(_WIN32) # define Z_HAVE_UNISTD_H #endif diff --git a/deps/zlib/zconf.h.cmakein b/deps/zlib/zconf.h.cmakein deleted file mode 100644 index a7f24cce60ff7a..00000000000000 --- a/deps/zlib/zconf.h.cmakein +++ /dev/null @@ -1,536 +0,0 @@ -/* zconf.h -- configuration of the zlib compression library - * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#ifndef ZCONF_H -#define ZCONF_H -#cmakedefine Z_PREFIX -#cmakedefine Z_HAVE_UNISTD_H - -/* - * If you *really* need a unique prefix for all types and library functions, - * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. - * Even better than compiling with -DZ_PREFIX would be to use configure to set - * this permanently in zconf.h using "./configure --zprefix". - */ -#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ -# define Z_PREFIX_SET - -/* all linked symbols and init macros */ -# define _dist_code z__dist_code -# define _length_code z__length_code -# define _tr_align z__tr_align -# define _tr_flush_bits z__tr_flush_bits -# define _tr_flush_block z__tr_flush_block -# define _tr_init z__tr_init -# define _tr_stored_block z__tr_stored_block -# define _tr_tally z__tr_tally -# define adler32 z_adler32 -# define adler32_combine z_adler32_combine -# define adler32_combine64 z_adler32_combine64 -# define adler32_z z_adler32_z -# ifndef Z_SOLO -# define compress z_compress -# define compress2 z_compress2 -# define compressBound z_compressBound -# endif -# define crc32 z_crc32 -# define crc32_combine z_crc32_combine -# define crc32_combine64 z_crc32_combine64 -# define crc32_z z_crc32_z -# define deflate z_deflate -# define deflateBound z_deflateBound -# define deflateCopy z_deflateCopy -# define deflateEnd z_deflateEnd -# define deflateGetDictionary z_deflateGetDictionary -# define deflateInit z_deflateInit -# define deflateInit2 z_deflateInit2 -# define deflateInit2_ z_deflateInit2_ -# define deflateInit_ z_deflateInit_ -# define deflateParams z_deflateParams -# define deflatePending z_deflatePending -# define deflatePrime z_deflatePrime -# define deflateReset z_deflateReset -# define deflateResetKeep z_deflateResetKeep -# define deflateSetDictionary z_deflateSetDictionary -# define deflateSetHeader z_deflateSetHeader -# define deflateTune z_deflateTune -# define deflate_copyright z_deflate_copyright -# define get_crc_table z_get_crc_table -# ifndef Z_SOLO -# define gz_error z_gz_error -# define gz_intmax z_gz_intmax -# define gz_strwinerror z_gz_strwinerror -# define gzbuffer z_gzbuffer -# define gzclearerr z_gzclearerr -# define gzclose z_gzclose -# define gzclose_r z_gzclose_r -# define gzclose_w z_gzclose_w -# define gzdirect z_gzdirect -# define gzdopen z_gzdopen -# define gzeof z_gzeof -# define gzerror z_gzerror -# define gzflush z_gzflush -# define gzfread z_gzfread -# define gzfwrite z_gzfwrite -# define gzgetc z_gzgetc -# define gzgetc_ z_gzgetc_ -# define gzgets z_gzgets -# define gzoffset z_gzoffset -# define gzoffset64 z_gzoffset64 -# define gzopen z_gzopen -# define gzopen64 z_gzopen64 -# ifdef _WIN32 -# define gzopen_w z_gzopen_w -# endif -# define gzprintf z_gzprintf -# define gzputc z_gzputc -# define gzputs z_gzputs -# define gzread z_gzread -# define gzrewind z_gzrewind -# define gzseek z_gzseek -# define gzseek64 z_gzseek64 -# define gzsetparams z_gzsetparams -# define gztell z_gztell -# define gztell64 z_gztell64 -# define gzungetc z_gzungetc -# define gzvprintf z_gzvprintf -# define gzwrite z_gzwrite -# endif -# define inflate z_inflate -# define inflateBack z_inflateBack -# define inflateBackEnd z_inflateBackEnd -# define inflateBackInit z_inflateBackInit -# define inflateBackInit_ z_inflateBackInit_ -# define inflateCodesUsed z_inflateCodesUsed -# define inflateCopy z_inflateCopy -# define inflateEnd z_inflateEnd -# define inflateGetDictionary z_inflateGetDictionary -# define inflateGetHeader z_inflateGetHeader -# define inflateInit z_inflateInit -# define inflateInit2 z_inflateInit2 -# define inflateInit2_ z_inflateInit2_ -# define inflateInit_ z_inflateInit_ -# define inflateMark z_inflateMark -# define inflatePrime z_inflatePrime -# define inflateReset z_inflateReset -# define inflateReset2 z_inflateReset2 -# define inflateResetKeep z_inflateResetKeep -# define inflateSetDictionary z_inflateSetDictionary -# define inflateSync z_inflateSync -# define inflateSyncPoint z_inflateSyncPoint -# define inflateUndermine z_inflateUndermine -# define inflateValidate z_inflateValidate -# define inflate_copyright z_inflate_copyright -# define inflate_fast z_inflate_fast -# define inflate_table z_inflate_table -# ifndef Z_SOLO -# define uncompress z_uncompress -# define uncompress2 z_uncompress2 -# endif -# define zError z_zError -# ifndef Z_SOLO -# define zcalloc z_zcalloc -# define zcfree z_zcfree -# endif -# define zlibCompileFlags z_zlibCompileFlags -# define zlibVersion z_zlibVersion - -/* all zlib typedefs in zlib.h and zconf.h */ -# define Byte z_Byte -# define Bytef z_Bytef -# define alloc_func z_alloc_func -# define charf z_charf -# define free_func z_free_func -# ifndef Z_SOLO -# define gzFile z_gzFile -# endif -# define gz_header z_gz_header -# define gz_headerp z_gz_headerp -# define in_func z_in_func -# define intf z_intf -# define out_func z_out_func -# define uInt z_uInt -# define uIntf z_uIntf -# define uLong z_uLong -# define uLongf z_uLongf -# define voidp z_voidp -# define voidpc z_voidpc -# define voidpf z_voidpf - -/* all zlib structs in zlib.h and zconf.h */ -# define gz_header_s z_gz_header_s -# define internal_state z_internal_state - -#endif - -#if defined(__MSDOS__) && !defined(MSDOS) -# define MSDOS -#endif -#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) -# define OS2 -#endif -#if defined(_WINDOWS) && !defined(WINDOWS) -# define WINDOWS -#endif -#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) -# ifndef WIN32 -# define WIN32 -# endif -#endif -#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) -# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) -# ifndef SYS16BIT -# define SYS16BIT -# endif -# endif -#endif - -/* - * Compile with -DMAXSEG_64K if the alloc function cannot allocate more - * than 64k bytes at a time (needed on systems with 16-bit int). - */ -#ifdef SYS16BIT -# define MAXSEG_64K -#endif -#ifdef MSDOS -# define UNALIGNED_OK -#endif - -#ifdef __STDC_VERSION__ -# ifndef STDC -# define STDC -# endif -# if __STDC_VERSION__ >= 199901L -# ifndef STDC99 -# define STDC99 -# endif -# endif -#endif -#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) -# define STDC -#endif -#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) -# define STDC -#endif -#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) -# define STDC -#endif -#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) -# define STDC -#endif - -#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ -# define STDC -#endif - -#ifndef STDC -# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ -# define const /* note: need a more gentle solution here */ -# endif -#endif - -#if defined(ZLIB_CONST) && !defined(z_const) -# define z_const const -#else -# define z_const -#endif - -#ifdef Z_SOLO - typedef unsigned long z_size_t; -#else -# define z_longlong long long -# if defined(NO_SIZE_T) - typedef unsigned NO_SIZE_T z_size_t; -# elif defined(STDC) -# include - typedef size_t z_size_t; -# else - typedef unsigned long z_size_t; -# endif -# undef z_longlong -#endif - -/* Maximum value for memLevel in deflateInit2 */ -#ifndef MAX_MEM_LEVEL -# ifdef MAXSEG_64K -# define MAX_MEM_LEVEL 8 -# else -# define MAX_MEM_LEVEL 9 -# endif -#endif - -/* Maximum value for windowBits in deflateInit2 and inflateInit2. - * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files - * created by gzip. (Files created by minigzip can still be extracted by - * gzip.) - */ -#ifndef MAX_WBITS -# define MAX_WBITS 15 /* 32K LZ77 window */ -#endif - -/* The memory requirements for deflate are (in bytes): - (1 << (windowBits+2)) + (1 << (memLevel+9)) - that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) - plus a few kilobytes for small objects. For example, if you want to reduce - the default memory requirements from 256K to 128K, compile with - make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" - Of course this will generally degrade compression (there's no free lunch). - - The memory requirements for inflate are (in bytes) 1 << windowBits - that is, 32K for windowBits=15 (default value) plus about 7 kilobytes - for small objects. -*/ - - /* Type declarations */ - -#ifndef OF /* function prototypes */ -# ifdef STDC -# define OF(args) args -# else -# define OF(args) () -# endif -#endif - -#ifndef Z_ARG /* function prototypes for stdarg */ -# if defined(STDC) || defined(Z_HAVE_STDARG_H) -# define Z_ARG(args) args -# else -# define Z_ARG(args) () -# endif -#endif - -/* The following definitions for FAR are needed only for MSDOS mixed - * model programming (small or medium model with some far allocations). - * This was tested only with MSC; for other MSDOS compilers you may have - * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, - * just define FAR to be empty. - */ -#ifdef SYS16BIT -# if defined(M_I86SM) || defined(M_I86MM) - /* MSC small or medium model */ -# define SMALL_MEDIUM -# ifdef _MSC_VER -# define FAR _far -# else -# define FAR far -# endif -# endif -# if (defined(__SMALL__) || defined(__MEDIUM__)) - /* Turbo C small or medium model */ -# define SMALL_MEDIUM -# ifdef __BORLANDC__ -# define FAR _far -# else -# define FAR far -# endif -# endif -#endif - -#if defined(WINDOWS) || defined(WIN32) - /* If building or using zlib as a DLL, define ZLIB_DLL. - * This is not mandatory, but it offers a little performance increase. - */ -# ifdef ZLIB_DLL -# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) -# ifdef ZLIB_INTERNAL -# define ZEXTERN extern __declspec(dllexport) -# else -# define ZEXTERN extern __declspec(dllimport) -# endif -# endif -# endif /* ZLIB_DLL */ - /* If building or using zlib with the WINAPI/WINAPIV calling convention, - * define ZLIB_WINAPI. - * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. - */ -# ifdef ZLIB_WINAPI -# ifdef FAR -# undef FAR -# endif -# include - /* No need for _export, use ZLIB.DEF instead. */ - /* For complete Windows compatibility, use WINAPI, not __stdcall. */ -# define ZEXPORT WINAPI -# ifdef WIN32 -# define ZEXPORTVA WINAPIV -# else -# define ZEXPORTVA FAR CDECL -# endif -# endif -#endif - -#if defined (__BEOS__) -# ifdef ZLIB_DLL -# ifdef ZLIB_INTERNAL -# define ZEXPORT __declspec(dllexport) -# define ZEXPORTVA __declspec(dllexport) -# else -# define ZEXPORT __declspec(dllimport) -# define ZEXPORTVA __declspec(dllimport) -# endif -# endif -#endif - -#ifndef ZEXTERN -# define ZEXTERN extern -#endif -#ifndef ZEXPORT -# define ZEXPORT -#endif -#ifndef ZEXPORTVA -# define ZEXPORTVA -#endif - -#ifndef FAR -# define FAR -#endif - -#if !defined(__MACTYPES__) -typedef unsigned char Byte; /* 8 bits */ -#endif -typedef unsigned int uInt; /* 16 bits or more */ -typedef unsigned long uLong; /* 32 bits or more */ - -#ifdef SMALL_MEDIUM - /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ -# define Bytef Byte FAR -#else - typedef Byte FAR Bytef; -#endif -typedef char FAR charf; -typedef int FAR intf; -typedef uInt FAR uIntf; -typedef uLong FAR uLongf; - -#ifdef STDC - typedef void const *voidpc; - typedef void FAR *voidpf; - typedef void *voidp; -#else - typedef Byte const *voidpc; - typedef Byte FAR *voidpf; - typedef Byte *voidp; -#endif - -#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) -# include -# if (UINT_MAX == 0xffffffffUL) -# define Z_U4 unsigned -# elif (ULONG_MAX == 0xffffffffUL) -# define Z_U4 unsigned long -# elif (USHRT_MAX == 0xffffffffUL) -# define Z_U4 unsigned short -# endif -#endif - -#ifdef Z_U4 - typedef Z_U4 z_crc_t; -#else - typedef unsigned long z_crc_t; -#endif - -#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ -# define Z_HAVE_UNISTD_H -#endif - -#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ -# define Z_HAVE_STDARG_H -#endif - -#ifdef STDC -# ifndef Z_SOLO -# include /* for off_t */ -# endif -#endif - -#if defined(STDC) || defined(Z_HAVE_STDARG_H) -# ifndef Z_SOLO -# include /* for va_list */ -# endif -#endif - -#ifdef _WIN32 -# ifndef Z_SOLO -# include /* for wchar_t */ -# endif -#endif - -/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and - * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even - * though the former does not conform to the LFS document), but considering - * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as - * equivalently requesting no 64-bit operations - */ -#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 -# undef _LARGEFILE64_SOURCE -#endif - -#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H) -# define Z_HAVE_UNISTD_H -#endif -#ifndef Z_SOLO -# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) -# include /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ -# ifdef VMS -# include /* for off_t */ -# endif -# ifndef z_off_t -# define z_off_t off_t -# endif -# endif -#endif - -#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 -# define Z_LFS64 -#endif - -#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) -# define Z_LARGE64 -#endif - -#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) -# define Z_WANT64 -#endif - -#if !defined(SEEK_SET) && !defined(Z_SOLO) -# define SEEK_SET 0 /* Seek from beginning of file. */ -# define SEEK_CUR 1 /* Seek from current position. */ -# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ -#endif - -#ifndef z_off_t -# define z_off_t long -#endif - -#if !defined(_WIN32) && defined(Z_LARGE64) -# define z_off64_t off64_t -#else -# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) -# define z_off64_t __int64 -# else -# define z_off64_t z_off_t -# endif -#endif - -/* MVS linker does not support external names larger than 8 bytes */ -#if defined(__MVS__) - #pragma map(deflateInit_,"DEIN") - #pragma map(deflateInit2_,"DEIN2") - #pragma map(deflateEnd,"DEEND") - #pragma map(deflateBound,"DEBND") - #pragma map(inflateInit_,"ININ") - #pragma map(inflateInit2_,"ININ2") - #pragma map(inflateEnd,"INEND") - #pragma map(inflateSync,"INSY") - #pragma map(inflateSetDictionary,"INSEDI") - #pragma map(compressBound,"CMBND") - #pragma map(inflate_table,"INTABL") - #pragma map(inflate_fast,"INFA") - #pragma map(inflate_copyright,"INCOPY") -#endif - -#endif /* ZCONF_H */ diff --git a/deps/zlib/zconf.h.in b/deps/zlib/zconf.h.in deleted file mode 100644 index 5e1d68a004e974..00000000000000 --- a/deps/zlib/zconf.h.in +++ /dev/null @@ -1,534 +0,0 @@ -/* zconf.h -- configuration of the zlib compression library - * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#ifndef ZCONF_H -#define ZCONF_H - -/* - * If you *really* need a unique prefix for all types and library functions, - * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. - * Even better than compiling with -DZ_PREFIX would be to use configure to set - * this permanently in zconf.h using "./configure --zprefix". - */ -#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ -# define Z_PREFIX_SET - -/* all linked symbols and init macros */ -# define _dist_code z__dist_code -# define _length_code z__length_code -# define _tr_align z__tr_align -# define _tr_flush_bits z__tr_flush_bits -# define _tr_flush_block z__tr_flush_block -# define _tr_init z__tr_init -# define _tr_stored_block z__tr_stored_block -# define _tr_tally z__tr_tally -# define adler32 z_adler32 -# define adler32_combine z_adler32_combine -# define adler32_combine64 z_adler32_combine64 -# define adler32_z z_adler32_z -# ifndef Z_SOLO -# define compress z_compress -# define compress2 z_compress2 -# define compressBound z_compressBound -# endif -# define crc32 z_crc32 -# define crc32_combine z_crc32_combine -# define crc32_combine64 z_crc32_combine64 -# define crc32_z z_crc32_z -# define deflate z_deflate -# define deflateBound z_deflateBound -# define deflateCopy z_deflateCopy -# define deflateEnd z_deflateEnd -# define deflateGetDictionary z_deflateGetDictionary -# define deflateInit z_deflateInit -# define deflateInit2 z_deflateInit2 -# define deflateInit2_ z_deflateInit2_ -# define deflateInit_ z_deflateInit_ -# define deflateParams z_deflateParams -# define deflatePending z_deflatePending -# define deflatePrime z_deflatePrime -# define deflateReset z_deflateReset -# define deflateResetKeep z_deflateResetKeep -# define deflateSetDictionary z_deflateSetDictionary -# define deflateSetHeader z_deflateSetHeader -# define deflateTune z_deflateTune -# define deflate_copyright z_deflate_copyright -# define get_crc_table z_get_crc_table -# ifndef Z_SOLO -# define gz_error z_gz_error -# define gz_intmax z_gz_intmax -# define gz_strwinerror z_gz_strwinerror -# define gzbuffer z_gzbuffer -# define gzclearerr z_gzclearerr -# define gzclose z_gzclose -# define gzclose_r z_gzclose_r -# define gzclose_w z_gzclose_w -# define gzdirect z_gzdirect -# define gzdopen z_gzdopen -# define gzeof z_gzeof -# define gzerror z_gzerror -# define gzflush z_gzflush -# define gzfread z_gzfread -# define gzfwrite z_gzfwrite -# define gzgetc z_gzgetc -# define gzgetc_ z_gzgetc_ -# define gzgets z_gzgets -# define gzoffset z_gzoffset -# define gzoffset64 z_gzoffset64 -# define gzopen z_gzopen -# define gzopen64 z_gzopen64 -# ifdef _WIN32 -# define gzopen_w z_gzopen_w -# endif -# define gzprintf z_gzprintf -# define gzputc z_gzputc -# define gzputs z_gzputs -# define gzread z_gzread -# define gzrewind z_gzrewind -# define gzseek z_gzseek -# define gzseek64 z_gzseek64 -# define gzsetparams z_gzsetparams -# define gztell z_gztell -# define gztell64 z_gztell64 -# define gzungetc z_gzungetc -# define gzvprintf z_gzvprintf -# define gzwrite z_gzwrite -# endif -# define inflate z_inflate -# define inflateBack z_inflateBack -# define inflateBackEnd z_inflateBackEnd -# define inflateBackInit z_inflateBackInit -# define inflateBackInit_ z_inflateBackInit_ -# define inflateCodesUsed z_inflateCodesUsed -# define inflateCopy z_inflateCopy -# define inflateEnd z_inflateEnd -# define inflateGetDictionary z_inflateGetDictionary -# define inflateGetHeader z_inflateGetHeader -# define inflateInit z_inflateInit -# define inflateInit2 z_inflateInit2 -# define inflateInit2_ z_inflateInit2_ -# define inflateInit_ z_inflateInit_ -# define inflateMark z_inflateMark -# define inflatePrime z_inflatePrime -# define inflateReset z_inflateReset -# define inflateReset2 z_inflateReset2 -# define inflateResetKeep z_inflateResetKeep -# define inflateSetDictionary z_inflateSetDictionary -# define inflateSync z_inflateSync -# define inflateSyncPoint z_inflateSyncPoint -# define inflateUndermine z_inflateUndermine -# define inflateValidate z_inflateValidate -# define inflate_copyright z_inflate_copyright -# define inflate_fast z_inflate_fast -# define inflate_table z_inflate_table -# ifndef Z_SOLO -# define uncompress z_uncompress -# define uncompress2 z_uncompress2 -# endif -# define zError z_zError -# ifndef Z_SOLO -# define zcalloc z_zcalloc -# define zcfree z_zcfree -# endif -# define zlibCompileFlags z_zlibCompileFlags -# define zlibVersion z_zlibVersion - -/* all zlib typedefs in zlib.h and zconf.h */ -# define Byte z_Byte -# define Bytef z_Bytef -# define alloc_func z_alloc_func -# define charf z_charf -# define free_func z_free_func -# ifndef Z_SOLO -# define gzFile z_gzFile -# endif -# define gz_header z_gz_header -# define gz_headerp z_gz_headerp -# define in_func z_in_func -# define intf z_intf -# define out_func z_out_func -# define uInt z_uInt -# define uIntf z_uIntf -# define uLong z_uLong -# define uLongf z_uLongf -# define voidp z_voidp -# define voidpc z_voidpc -# define voidpf z_voidpf - -/* all zlib structs in zlib.h and zconf.h */ -# define gz_header_s z_gz_header_s -# define internal_state z_internal_state - -#endif - -#if defined(__MSDOS__) && !defined(MSDOS) -# define MSDOS -#endif -#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) -# define OS2 -#endif -#if defined(_WINDOWS) && !defined(WINDOWS) -# define WINDOWS -#endif -#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) -# ifndef WIN32 -# define WIN32 -# endif -#endif -#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) -# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) -# ifndef SYS16BIT -# define SYS16BIT -# endif -# endif -#endif - -/* - * Compile with -DMAXSEG_64K if the alloc function cannot allocate more - * than 64k bytes at a time (needed on systems with 16-bit int). - */ -#ifdef SYS16BIT -# define MAXSEG_64K -#endif -#ifdef MSDOS -# define UNALIGNED_OK -#endif - -#ifdef __STDC_VERSION__ -# ifndef STDC -# define STDC -# endif -# if __STDC_VERSION__ >= 199901L -# ifndef STDC99 -# define STDC99 -# endif -# endif -#endif -#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) -# define STDC -#endif -#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) -# define STDC -#endif -#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) -# define STDC -#endif -#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) -# define STDC -#endif - -#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ -# define STDC -#endif - -#ifndef STDC -# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ -# define const /* note: need a more gentle solution here */ -# endif -#endif - -#if defined(ZLIB_CONST) && !defined(z_const) -# define z_const const -#else -# define z_const -#endif - -#ifdef Z_SOLO - typedef unsigned long z_size_t; -#else -# define z_longlong long long -# if defined(NO_SIZE_T) - typedef unsigned NO_SIZE_T z_size_t; -# elif defined(STDC) -# include - typedef size_t z_size_t; -# else - typedef unsigned long z_size_t; -# endif -# undef z_longlong -#endif - -/* Maximum value for memLevel in deflateInit2 */ -#ifndef MAX_MEM_LEVEL -# ifdef MAXSEG_64K -# define MAX_MEM_LEVEL 8 -# else -# define MAX_MEM_LEVEL 9 -# endif -#endif - -/* Maximum value for windowBits in deflateInit2 and inflateInit2. - * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files - * created by gzip. (Files created by minigzip can still be extracted by - * gzip.) - */ -#ifndef MAX_WBITS -# define MAX_WBITS 15 /* 32K LZ77 window */ -#endif - -/* The memory requirements for deflate are (in bytes): - (1 << (windowBits+2)) + (1 << (memLevel+9)) - that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) - plus a few kilobytes for small objects. For example, if you want to reduce - the default memory requirements from 256K to 128K, compile with - make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" - Of course this will generally degrade compression (there's no free lunch). - - The memory requirements for inflate are (in bytes) 1 << windowBits - that is, 32K for windowBits=15 (default value) plus about 7 kilobytes - for small objects. -*/ - - /* Type declarations */ - -#ifndef OF /* function prototypes */ -# ifdef STDC -# define OF(args) args -# else -# define OF(args) () -# endif -#endif - -#ifndef Z_ARG /* function prototypes for stdarg */ -# if defined(STDC) || defined(Z_HAVE_STDARG_H) -# define Z_ARG(args) args -# else -# define Z_ARG(args) () -# endif -#endif - -/* The following definitions for FAR are needed only for MSDOS mixed - * model programming (small or medium model with some far allocations). - * This was tested only with MSC; for other MSDOS compilers you may have - * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, - * just define FAR to be empty. - */ -#ifdef SYS16BIT -# if defined(M_I86SM) || defined(M_I86MM) - /* MSC small or medium model */ -# define SMALL_MEDIUM -# ifdef _MSC_VER -# define FAR _far -# else -# define FAR far -# endif -# endif -# if (defined(__SMALL__) || defined(__MEDIUM__)) - /* Turbo C small or medium model */ -# define SMALL_MEDIUM -# ifdef __BORLANDC__ -# define FAR _far -# else -# define FAR far -# endif -# endif -#endif - -#if defined(WINDOWS) || defined(WIN32) - /* If building or using zlib as a DLL, define ZLIB_DLL. - * This is not mandatory, but it offers a little performance increase. - */ -# ifdef ZLIB_DLL -# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) -# ifdef ZLIB_INTERNAL -# define ZEXTERN extern __declspec(dllexport) -# else -# define ZEXTERN extern __declspec(dllimport) -# endif -# endif -# endif /* ZLIB_DLL */ - /* If building or using zlib with the WINAPI/WINAPIV calling convention, - * define ZLIB_WINAPI. - * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. - */ -# ifdef ZLIB_WINAPI -# ifdef FAR -# undef FAR -# endif -# include - /* No need for _export, use ZLIB.DEF instead. */ - /* For complete Windows compatibility, use WINAPI, not __stdcall. */ -# define ZEXPORT WINAPI -# ifdef WIN32 -# define ZEXPORTVA WINAPIV -# else -# define ZEXPORTVA FAR CDECL -# endif -# endif -#endif - -#if defined (__BEOS__) -# ifdef ZLIB_DLL -# ifdef ZLIB_INTERNAL -# define ZEXPORT __declspec(dllexport) -# define ZEXPORTVA __declspec(dllexport) -# else -# define ZEXPORT __declspec(dllimport) -# define ZEXPORTVA __declspec(dllimport) -# endif -# endif -#endif - -#ifndef ZEXTERN -# define ZEXTERN extern -#endif -#ifndef ZEXPORT -# define ZEXPORT -#endif -#ifndef ZEXPORTVA -# define ZEXPORTVA -#endif - -#ifndef FAR -# define FAR -#endif - -#if !defined(__MACTYPES__) -typedef unsigned char Byte; /* 8 bits */ -#endif -typedef unsigned int uInt; /* 16 bits or more */ -typedef unsigned long uLong; /* 32 bits or more */ - -#ifdef SMALL_MEDIUM - /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ -# define Bytef Byte FAR -#else - typedef Byte FAR Bytef; -#endif -typedef char FAR charf; -typedef int FAR intf; -typedef uInt FAR uIntf; -typedef uLong FAR uLongf; - -#ifdef STDC - typedef void const *voidpc; - typedef void FAR *voidpf; - typedef void *voidp; -#else - typedef Byte const *voidpc; - typedef Byte FAR *voidpf; - typedef Byte *voidp; -#endif - -#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) -# include -# if (UINT_MAX == 0xffffffffUL) -# define Z_U4 unsigned -# elif (ULONG_MAX == 0xffffffffUL) -# define Z_U4 unsigned long -# elif (USHRT_MAX == 0xffffffffUL) -# define Z_U4 unsigned short -# endif -#endif - -#ifdef Z_U4 - typedef Z_U4 z_crc_t; -#else - typedef unsigned long z_crc_t; -#endif - -#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ -# define Z_HAVE_UNISTD_H -#endif - -#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ -# define Z_HAVE_STDARG_H -#endif - -#ifdef STDC -# ifndef Z_SOLO -# include /* for off_t */ -# endif -#endif - -#if defined(STDC) || defined(Z_HAVE_STDARG_H) -# ifndef Z_SOLO -# include /* for va_list */ -# endif -#endif - -#ifdef _WIN32 -# ifndef Z_SOLO -# include /* for wchar_t */ -# endif -#endif - -/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and - * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even - * though the former does not conform to the LFS document), but considering - * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as - * equivalently requesting no 64-bit operations - */ -#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 -# undef _LARGEFILE64_SOURCE -#endif - -#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H) -# define Z_HAVE_UNISTD_H -#endif -#ifndef Z_SOLO -# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) -# include /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ -# ifdef VMS -# include /* for off_t */ -# endif -# ifndef z_off_t -# define z_off_t off_t -# endif -# endif -#endif - -#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 -# define Z_LFS64 -#endif - -#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) -# define Z_LARGE64 -#endif - -#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) -# define Z_WANT64 -#endif - -#if !defined(SEEK_SET) && !defined(Z_SOLO) -# define SEEK_SET 0 /* Seek from beginning of file. */ -# define SEEK_CUR 1 /* Seek from current position. */ -# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ -#endif - -#ifndef z_off_t -# define z_off_t long -#endif - -#if !defined(_WIN32) && defined(Z_LARGE64) -# define z_off64_t off64_t -#else -# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO) -# define z_off64_t __int64 -# else -# define z_off64_t z_off_t -# endif -#endif - -/* MVS linker does not support external names larger than 8 bytes */ -#if defined(__MVS__) - #pragma map(deflateInit_,"DEIN") - #pragma map(deflateInit2_,"DEIN2") - #pragma map(deflateEnd,"DEEND") - #pragma map(deflateBound,"DEBND") - #pragma map(inflateInit_,"ININ") - #pragma map(inflateInit2_,"ININ2") - #pragma map(inflateEnd,"INEND") - #pragma map(inflateSync,"INSY") - #pragma map(inflateSetDictionary,"INSEDI") - #pragma map(compressBound,"CMBND") - #pragma map(inflate_table,"INTABL") - #pragma map(inflate_fast,"INFA") - #pragma map(inflate_copyright,"INCOPY") -#endif - -#endif /* ZCONF_H */ diff --git a/deps/zlib/zlib.3 b/deps/zlib/zlib.3 deleted file mode 100644 index bda4eb0737090c..00000000000000 --- a/deps/zlib/zlib.3 +++ /dev/null @@ -1,149 +0,0 @@ -.TH ZLIB 3 "15 Jan 2017" -.SH NAME -zlib \- compression/decompression library -.SH SYNOPSIS -[see -.I zlib.h -for full description] -.SH DESCRIPTION -The -.I zlib -library is a general purpose data compression library. -The code is thread safe, assuming that the standard library functions -used are thread safe, such as memory allocation routines. -It provides in-memory compression and decompression functions, -including integrity checks of the uncompressed data. -This version of the library supports only one compression method (deflation) -but other algorithms may be added later -with the same stream interface. -.LP -Compression can be done in a single step if the buffers are large enough -or can be done by repeated calls of the compression function. -In the latter case, -the application must provide more input and/or consume the output -(providing more output space) before each call. -.LP -The library also supports reading and writing files in -.IR gzip (1) -(.gz) format -with an interface similar to that of stdio. -.LP -The library does not install any signal handler. -The decoder checks the consistency of the compressed data, -so the library should never crash even in the case of corrupted input. -.LP -All functions of the compression library are documented in the file -.IR zlib.h . -The distribution source includes examples of use of the library -in the files -.I test/example.c -and -.IR test/minigzip.c, -as well as other examples in the -.IR examples/ -directory. -.LP -Changes to this version are documented in the file -.I ChangeLog -that accompanies the source. -.LP -.I zlib -is built in to many languages and operating systems, including but not limited to -Java, Python, .NET, PHP, Perl, Ruby, Swift, and Go. -.LP -An experimental package to read and write files in the .zip format, -written on top of -.I zlib -by Gilles Vollant (info@winimage.com), -is available at: -.IP -http://www.winimage.com/zLibDll/minizip.html -and also in the -.I contrib/minizip -directory of the main -.I zlib -source distribution. -.SH "SEE ALSO" -The -.I zlib -web site can be found at: -.IP -http://zlib.net/ -.LP -The data format used by the -.I zlib -library is described by RFC -(Request for Comments) 1950 to 1952 in the files: -.IP -http://tools.ietf.org/html/rfc1950 (for the zlib header and trailer format) -.br -http://tools.ietf.org/html/rfc1951 (for the deflate compressed data format) -.br -http://tools.ietf.org/html/rfc1952 (for the gzip header and trailer format) -.LP -Mark Nelson wrote an article about -.I zlib -for the Jan. 1997 issue of Dr. Dobb's Journal; -a copy of the article is available at: -.IP -http://marknelson.us/1997/01/01/zlib-engine/ -.SH "REPORTING PROBLEMS" -Before reporting a problem, -please check the -.I zlib -web site to verify that you have the latest version of -.IR zlib ; -otherwise, -obtain the latest version and see if the problem still exists. -Please read the -.I zlib -FAQ at: -.IP -http://zlib.net/zlib_faq.html -.LP -before asking for help. -Send questions and/or comments to zlib@gzip.org, -or (for the Windows DLL version) to Gilles Vollant (info@winimage.com). -.SH AUTHORS AND LICENSE -Version 1.2.11 -.LP -Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler -.LP -This software is provided 'as-is', without any express or implied -warranty. In no event will the authors be held liable for any damages -arising from the use of this software. -.LP -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it -freely, subject to the following restrictions: -.LP -.nr step 1 1 -.IP \n[step]. 3 -The origin of this software must not be misrepresented; you must not -claim that you wrote the original software. If you use this software -in a product, an acknowledgment in the product documentation would be -appreciated but is not required. -.IP \n+[step]. -Altered source versions must be plainly marked as such, and must not be -misrepresented as being the original software. -.IP \n+[step]. -This notice may not be removed or altered from any source distribution. -.LP -Jean-loup Gailly Mark Adler -.br -jloup@gzip.org madler@alumni.caltech.edu -.LP -The deflate format used by -.I zlib -was defined by Phil Katz. -The deflate and -.I zlib -specifications were written by L. Peter Deutsch. -Thanks to all the people who reported problems and suggested various -improvements in -.IR zlib ; -who are too numerous to cite here. -.LP -UNIX manual page by R. P. C. 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((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g)) +#elif defined(Z_CR_PREFIX_SET) +# undef gzgetc +# define gzgetc(g) \ + ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) \ + : (Cr_z_gzgetc)(g)) #else # define gzgetc(g) \ ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g)) @@ -1853,11 +1858,29 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */ # define z_adler32_combine z_adler32_combine64 # define z_crc32_combine z_crc32_combine64 # else +# ifdef gzopen +# undef gzopen +# endif # define gzopen gzopen64 +# ifdef gzseek +# undef gzseek +# endif # define gzseek gzseek64 +# ifdef gztell +# undef gztell +# endif # define gztell gztell64 +# ifdef gzoffset +# undef gzoffset +# endif # define gzoffset gzoffset64 +# ifdef adler32_combine +# undef adler32_combine +# endif # define adler32_combine adler32_combine64 +# ifdef crc32_combine +# undef crc32_combine +# endif # define crc32_combine crc32_combine64 # endif # ifndef Z_LARGE64 diff --git a/deps/zlib/zlib.map b/deps/zlib/zlib.map deleted file mode 100644 index 82ce98cf7decc9..00000000000000 --- a/deps/zlib/zlib.map +++ /dev/null @@ -1,94 +0,0 @@ -ZLIB_1.2.0 { - global: - compressBound; - deflateBound; - inflateBack; - inflateBackEnd; - inflateBackInit_; - inflateCopy; - local: - deflate_copyright; - inflate_copyright; - inflate_fast; - inflate_table; - zcalloc; - zcfree; - z_errmsg; - gz_error; - gz_intmax; - _*; -}; - -ZLIB_1.2.0.2 { - gzclearerr; - gzungetc; - zlibCompileFlags; -} ZLIB_1.2.0; - -ZLIB_1.2.0.8 { - deflatePrime; -} ZLIB_1.2.0.2; - -ZLIB_1.2.2 { - adler32_combine; - crc32_combine; - deflateSetHeader; - inflateGetHeader; -} ZLIB_1.2.0.8; - -ZLIB_1.2.2.3 { - deflateTune; - gzdirect; -} ZLIB_1.2.2; - -ZLIB_1.2.2.4 { - inflatePrime; -} ZLIB_1.2.2.3; - -ZLIB_1.2.3.3 { - adler32_combine64; - crc32_combine64; - gzopen64; - gzseek64; - gztell64; - inflateUndermine; -} ZLIB_1.2.2.4; - -ZLIB_1.2.3.4 { - inflateReset2; - inflateMark; -} ZLIB_1.2.3.3; - -ZLIB_1.2.3.5 { - gzbuffer; - gzoffset; - gzoffset64; - gzclose_r; - gzclose_w; -} ZLIB_1.2.3.4; - -ZLIB_1.2.5.1 { - deflatePending; -} ZLIB_1.2.3.5; - -ZLIB_1.2.5.2 { - deflateResetKeep; - gzgetc_; - inflateResetKeep; -} ZLIB_1.2.5.1; - -ZLIB_1.2.7.1 { - inflateGetDictionary; - gzvprintf; -} ZLIB_1.2.5.2; - -ZLIB_1.2.9 { - inflateCodesUsed; - inflateValidate; - uncompress2; - gzfread; - gzfwrite; - deflateGetDictionary; - adler32_z; - crc32_z; -} ZLIB_1.2.7.1; diff --git a/deps/zlib/zlib.pc.cmakein b/deps/zlib/zlib.pc.cmakein deleted file mode 100644 index a5e642938c6985..00000000000000 --- a/deps/zlib/zlib.pc.cmakein +++ /dev/null @@ -1,13 +0,0 @@ -prefix=@CMAKE_INSTALL_PREFIX@ -exec_prefix=@CMAKE_INSTALL_PREFIX@ -libdir=@INSTALL_LIB_DIR@ -sharedlibdir=@INSTALL_LIB_DIR@ -includedir=@INSTALL_INC_DIR@ - -Name: zlib -Description: zlib compression library -Version: @VERSION@ - -Requires: -Libs: -L${libdir} -L${sharedlibdir} -lz -Cflags: -I${includedir} diff --git a/deps/zlib/zlib.pc.in b/deps/zlib/zlib.pc.in deleted file mode 100644 index 7e5acf9c77e774..00000000000000 --- a/deps/zlib/zlib.pc.in +++ /dev/null @@ -1,13 +0,0 @@ -prefix=@prefix@ -exec_prefix=@exec_prefix@ -libdir=@libdir@ -sharedlibdir=@sharedlibdir@ -includedir=@includedir@ - -Name: zlib -Description: zlib compression library -Version: @VERSION@ - -Requires: -Libs: -L${libdir} -L${sharedlibdir} -lz -Cflags: -I${includedir} diff --git a/deps/zlib/zlib2ansi b/deps/zlib/zlib2ansi deleted file mode 100755 index 15e3e165f37dec..00000000000000 --- a/deps/zlib/zlib2ansi +++ /dev/null @@ -1,152 +0,0 @@ -#!/usr/bin/perl - -# Transform K&R C function definitions into ANSI equivalent. -# -# Author: Paul Marquess -# Version: 1.0 -# Date: 3 October 2006 - -# TODO -# -# Asumes no function pointer parameters. unless they are typedefed. -# Assumes no literal strings that look like function definitions -# Assumes functions start at the beginning of a line - -use strict; -use warnings; - -local $/; -$_ = <>; - -my $sp = qr{ \s* (?: /\* .*? \*/ )? \s* }x; # assume no nested comments - -my $d1 = qr{ $sp (?: [\w\*\s]+ $sp)* $sp \w+ $sp [\[\]\s]* $sp }x ; -my $decl = qr{ $sp (?: \w+ $sp )+ $d1 }xo ; -my $dList = qr{ $sp $decl (?: $sp , $d1 )* $sp ; $sp }xo ; - - -while (s/^ - ( # Start $1 - ( # Start $2 - .*? # Minimal eat content - ( ^ \w [\w\s\*]+ ) # $3 -- function name - \s* # optional whitespace - ) # $2 - Matched up to before parameter list - - \( \s* # Literal "(" + optional whitespace - ( [^\)]+ ) # $4 - one or more anythings except ")" - \s* \) # optional whitespace surrounding a Literal ")" - - ( (?: $dList )+ ) # $5 - - $sp ^ { # literal "{" at start of line - ) # Remember to $1 - //xsom - ) -{ - my $all = $1 ; - my $prefix = $2; - my $param_list = $4 ; - my $params = $5; - - StripComments($params); - StripComments($param_list); - $param_list =~ s/^\s+//; - $param_list =~ s/\s+$//; - - my $i = 0 ; - my %pList = map { $_ => $i++ } - split /\s*,\s*/, $param_list; - my $pMatch = '(\b' . join('|', keys %pList) . '\b)\W*$' ; - - my @params = split /\s*;\s*/, $params; - my @outParams = (); - foreach my $p (@params) - { - if ($p =~ /,/) - { - my @bits = split /\s*,\s*/, $p; - my $first = shift @bits; - $first =~ s/^\s*//; - push @outParams, $first; - $first =~ /^(\w+\s*)/; - my $type = $1 ; - push @outParams, map { $type . $_ } @bits; - } - else - { - $p =~ s/^\s+//; - push @outParams, $p; - } - } - - - my %tmp = map { /$pMatch/; $_ => $pList{$1} } - @outParams ; - - @outParams = map { " $_" } - sort { $tmp{$a} <=> $tmp{$b} } - @outParams ; - - print $prefix ; - print "(\n" . join(",\n", @outParams) . ")\n"; - print "{" ; - -} - -# Output any trailing code. -print ; -exit 0; - - -sub StripComments -{ - - no warnings; - - # Strip C & C++ coments - # From the perlfaq - $_[0] =~ - - s{ - /\* ## Start of /* ... */ comment - [^*]*\*+ ## Non-* followed by 1-or-more *'s - ( - [^/*][^*]*\*+ - )* ## 0-or-more things which don't start with / - ## but do end with '*' - / ## End of /* ... */ comment - - | ## OR C++ Comment - // ## Start of C++ comment // - [^\n]* ## followed by 0-or-more non end of line characters - - | ## OR various things which aren't comments: - - ( - " ## Start of " ... " string - ( - \\. ## Escaped char - | ## OR - [^"\\] ## Non "\ - )* - " ## End of " ... " string - - | ## OR - - ' ## Start of ' ... ' string - ( - \\. ## Escaped char - | ## OR - [^'\\] ## Non '\ - )* - ' ## End of ' ... ' string - - | ## OR - - . ## Anything other char - [^/"'\\]* ## Chars which doesn't start a comment, string or escape - ) - }{$2}gxs; - -} diff --git a/deps/zlib/zutil.h b/deps/zlib/zutil.h index b079ea6a80f5ab..4425bcf75eb38c 100644 --- a/deps/zlib/zutil.h +++ b/deps/zlib/zutil.h @@ -28,6 +28,21 @@ # include # include #endif +#ifdef NO_ERRNO_H +# ifdef _WIN32_WCE + /* The Microsoft C Run-Time Library for Windows CE doesn't have + * errno. We define it as a global variable to simplify porting. + * Its value is always 0 and should not be used. We rename it to + * avoid conflict with other libraries that use the same workaround. + */ +# define errno z_errno +# endif + extern int errno; +#else +# ifndef _WIN32_WCE +# include +# endif +#endif #ifdef Z_SOLO typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */ @@ -268,4 +283,10 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) +#ifdef _MSC_VER +#define zalign(x) __declspec(align(x)) +#else +#define zalign(x) __attribute__((aligned((x)))) +#endif + #endif /* ZUTIL_H */ diff --git a/test/benchmark/test-benchmark-zlib.js b/test/benchmark/test-benchmark-zlib.js index 6f8579b324b03c..4b7e340b8f7abf 100644 --- a/test/benchmark/test-benchmark-zlib.js +++ b/test/benchmark/test-benchmark-zlib.js @@ -7,12 +7,13 @@ const runBenchmark = require('../common/benchmark'); runBenchmark('zlib', [ 'algorithm=brotli', + 'chunkLen=1024', + 'duration=0.001', + 'inputLen=1024', 'method=deflate', 'n=1', 'options=true', 'type=Deflate', - 'inputLen=1024', - 'duration=0.001' ], { 'NODEJS_BENCHMARK_ZERO_ALLOWED': 1 From 75453af2c0cd29addaf3d28507c1943efa74a30d Mon Sep 17 00:00:00 2001 From: Shelley Vohr Date: Wed, 4 Mar 2020 11:11:37 -0800 Subject: [PATCH 100/224] build: fix zlib tarball generation PR-URL: https://github.com/nodejs/node/pull/32094 Reviewed-By: James M Snell Reviewed-By: Richard Lau Reviewed-By: Myles Borins --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 05eaa73abbe0c6..2e9e6fd2c2c775 100644 --- a/Makefile +++ b/Makefile @@ -1032,7 +1032,6 @@ $(TARBALL): release-only $(NODE_EXE) doc $(RM) -r $(TARNAME)/deps/v8/samples $(RM) -r $(TARNAME)/deps/v8/tools/profviz $(RM) -r $(TARNAME)/deps/v8/tools/run-tests.py - $(RM) -r $(TARNAME)/deps/zlib/contrib # too big, unused $(RM) -r $(TARNAME)/doc/images # too big $(RM) -r $(TARNAME)/test*.tap $(RM) -r $(TARNAME)/tools/cpplint.py @@ -1043,6 +1042,7 @@ $(TARBALL): release-only $(NODE_EXE) doc $(RM) -r $(TARNAME)/tools/osx-pkg.pmdoc find $(TARNAME)/deps/v8/test/* -type d ! -regex '.*/test/torque$$' | xargs $(RM) -r find $(TARNAME)/deps/v8/test -type f ! -regex '.*/test/torque/.*' | xargs $(RM) + find $(TARNAME)/deps/zlib/contrib/* -type d ! -regex '.*/contrib/optimizations$$' | xargs $(RM) -r find $(TARNAME)/ -name ".eslint*" -maxdepth 2 | xargs $(RM) find $(TARNAME)/ -type l | xargs $(RM) # annoying on windows tar -cf $(TARNAME).tar $(TARNAME) From 2cd3f1a7960d593a3e8ee65816810e5e02c3bee0 Mon Sep 17 00:00:00 2001 From: bcoe Date: Fri, 24 Jan 2020 22:12:39 -0800 Subject: [PATCH 101/224] fs: bail on permission error in recursive directory creation When creating directories recursively, the logic should bail immediately on UV_EACCES and bubble the error to the user. PR-URL: https://github.com/nodejs/node/pull/31505 Fixes: https://github.com/nodejs/node/issues/31481 Reviewed-By: Anna Henningsen Reviewed-By: Rich Trott --- src/node_file.cc | 20 ++++-- .../test-fs-mkdir-recursive-eaccess.js | 71 +++++++++++++++++++ 2 files changed, 84 insertions(+), 7 deletions(-) create mode 100644 test/parallel/test-fs-mkdir-recursive-eaccess.js diff --git a/src/node_file.cc b/src/node_file.cc index f59cbf1fbb6cdf..5af55a38d5f5a5 100644 --- a/src/node_file.cc +++ b/src/node_file.cc @@ -1226,11 +1226,17 @@ int MKDirpSync(uv_loop_t* loop, int err = uv_fs_mkdir(loop, req, next_path.c_str(), mode, nullptr); while (true) { switch (err) { + // Note: uv_fs_req_cleanup in terminal paths will be called by + // ~FSReqWrapSync(): case 0: if (continuation_data.paths().size() == 0) { return 0; } break; + case UV_EACCES: + case UV_EPERM: { + return err; + } case UV_ENOENT: { std::string dirname = next_path.substr(0, next_path.find_last_of(kPathSeparator)); @@ -1243,9 +1249,6 @@ int MKDirpSync(uv_loop_t* loop, } break; } - case UV_EPERM: { - return err; - } default: uv_fs_req_cleanup(req); int orig_err = err; @@ -1293,6 +1296,8 @@ int MKDirpAsync(uv_loop_t* loop, while (true) { switch (err) { + // Note: uv_fs_req_cleanup in terminal paths will be called by + // FSReqAfterScope::~FSReqAfterScope() case 0: { if (req_wrap->continuation_data()->paths().size() == 0) { req_wrap->continuation_data()->Done(0); @@ -1303,6 +1308,11 @@ int MKDirpAsync(uv_loop_t* loop, } break; } + case UV_EACCES: + case UV_EPERM: { + req_wrap->continuation_data()->Done(err); + break; + } case UV_ENOENT: { std::string dirname = path.substr(0, path.find_last_of(kPathSeparator)); @@ -1318,10 +1328,6 @@ int MKDirpAsync(uv_loop_t* loop, req_wrap->continuation_data()->mode(), nullptr); break; } - case UV_EPERM: { - req_wrap->continuation_data()->Done(err); - break; - } default: uv_fs_req_cleanup(req); // Stash err for use in the callback. diff --git a/test/parallel/test-fs-mkdir-recursive-eaccess.js b/test/parallel/test-fs-mkdir-recursive-eaccess.js new file mode 100644 index 00000000000000..d0b3b2b950cf7b --- /dev/null +++ b/test/parallel/test-fs-mkdir-recursive-eaccess.js @@ -0,0 +1,71 @@ +'use strict'; + +// Test that mkdir with recursive option returns appropriate error +// when executed on folder it does not have permission to access. +// Ref: https://github.com/nodejs/node/issues/31481 + +const common = require('../common'); + +if (!common.isWindows && process.getuid() === 0) + common.skip('as this test should not be run as `root`'); + +if (common.isIBMi) + common.skip('IBMi has a different access permission mechanism'); + +const tmpdir = require('../common/tmpdir'); +tmpdir.refresh(); + +const assert = require('assert'); +const { execSync } = require('child_process'); +const fs = require('fs'); +const path = require('path'); + +let n = 0; + +function makeDirectoryReadOnly(dir) { + let accessErrorCode = 'EACCES'; + if (common.isWindows) { + accessErrorCode = 'EPERM'; + execSync(`icacls ${dir} /inheritance:r`); + execSync(`icacls ${dir} /deny "everyone":W`); + } else { + fs.chmodSync(dir, '444'); + } + return accessErrorCode; +} + +function makeDirectoryWritable(dir) { + if (common.isWindows) { + execSync(`icacls ${dir} /grant "everyone":W`); + } +} + +// Synchronous API should return an EACCESS error with path populated. +{ + const dir = path.join(tmpdir.path, `mkdirp_${n++}`); + fs.mkdirSync(dir); + const codeExpected = makeDirectoryReadOnly(dir); + let err = null; + try { + fs.mkdirSync(path.join(dir, '/foo'), { recursive: true }); + } catch (_err) { + err = _err; + } + makeDirectoryWritable(dir); + assert(err); + assert.strictEqual(err.code, codeExpected); + assert(err.path); +} + +// Asynchronous API should return an EACCESS error with path populated. +{ + const dir = path.join(tmpdir.path, `mkdirp_${n++}`); + fs.mkdirSync(dir); + const codeExpected = makeDirectoryReadOnly(dir); + fs.mkdir(path.join(dir, '/bar'), { recursive: true }, (err) => { + makeDirectoryWritable(dir); + assert(err); + assert.strictEqual(err.code, codeExpected); + assert(err.path); + }); +} From 4967bd0c0af4f13ffe0eb248ec2bbed6e815db93 Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Sat, 25 Jan 2020 02:07:12 +0100 Subject: [PATCH 102/224] test: make test-http2-buffersize more correct Previously, this code could have closed the server before the connection was actually received by the server, as the `'close'` event on the client side can be emitted before the connection is established. The following commit exacerbates this problem, so fix the test first. PR-URL: https://github.com/nodejs/node/pull/31502 Reviewed-By: Yongsheng Zhang Reviewed-By: David Carlier Reviewed-By: James M Snell Reviewed-By: Rich Trott Reviewed-By: Colin Ihrig Reviewed-By: Minwoo Jung --- test/parallel/test-http2-buffersize.js | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/test/parallel/test-http2-buffersize.js b/test/parallel/test-http2-buffersize.js index be56d8ce3d9344..f18cc4c1ec4e18 100644 --- a/test/parallel/test-http2-buffersize.js +++ b/test/parallel/test-http2-buffersize.js @@ -15,29 +15,32 @@ const Countdown = require('../common/countdown'); const BUFFER_SIZE = 30; const server = createServer(); + let client; + const countdown = new Countdown(SOCKETS, () => { + client.close(); + server.close(); + }); + // Other `bufferSize` tests for net module and tls module // don't assert `bufferSize` of server-side sockets. server.on('stream', mustCall((stream) => { stream.on('data', mustCall()); stream.on('end', mustCall()); + + stream.on('close', mustCall(() => { + countdown.dec(); + })); }, SOCKETS)); server.listen(0, mustCall(() => { const authority = `http://localhost:${server.address().port}`; - const client = connect(authority); - const countdown = new Countdown(SOCKETS, () => { - client.close(); - server.close(); - }); + client = connect(authority); client.once('connect', mustCall()); for (let j = 0; j < SOCKETS; j += 1) { const stream = client.request({ ':method': 'POST' }); stream.on('data', () => {}); - stream.on('close', mustCall(() => { - countdown.dec(); - })); for (let i = 0; i < TIMES; i += 1) { stream.write(Buffer.allocUnsafe(BUFFER_SIZE), mustCall()); From 087ad9cc4e755d5ecaf782ae93ac4a9c48f54bd6 Mon Sep 17 00:00:00 2001 From: Brian White Date: Sun, 26 Jan 2020 07:28:57 -0500 Subject: [PATCH 103/224] crypto: improve randomBytes() performance MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/31519 Reviewed-By: James M Snell Reviewed-By: Tobias Nießen Reviewed-By: Rich Trott --- benchmark/crypto/randomBytes.js | 16 ++++++++++++++++ lib/internal/crypto/random.js | 5 +++-- test/benchmark/test-benchmark-crypto.js | 1 + 3 files changed, 20 insertions(+), 2 deletions(-) create mode 100644 benchmark/crypto/randomBytes.js diff --git a/benchmark/crypto/randomBytes.js b/benchmark/crypto/randomBytes.js new file mode 100644 index 00000000000000..50ad3f08387566 --- /dev/null +++ b/benchmark/crypto/randomBytes.js @@ -0,0 +1,16 @@ +'use strict'; + +const common = require('../common.js'); +const { randomBytes } = require('crypto'); + +const bench = common.createBenchmark(main, { + size: [64, 1024, 8192, 512 * 1024], + n: [1e3], +}); + +function main({ n, size }) { + bench.start(); + for (let i = 0; i < n; ++i) + randomBytes(size); + bench.end(n); +} diff --git a/lib/internal/crypto/random.js b/lib/internal/crypto/random.js index 85855a709e89fd..801c0eb8789fcd 100644 --- a/lib/internal/crypto/random.js +++ b/lib/internal/crypto/random.js @@ -6,7 +6,7 @@ const { } = primordials; const { AsyncWrap, Providers } = internalBinding('async_wrap'); -const { Buffer, kMaxLength } = require('buffer'); +const { kMaxLength } = require('buffer'); const { randomBytes: _randomBytes } = internalBinding('crypto'); const { ERR_INVALID_ARG_TYPE, @@ -15,6 +15,7 @@ const { } = require('internal/errors').codes; const { validateNumber } = require('internal/validators'); const { isArrayBufferView } = require('internal/util/types'); +const { FastBuffer } = require('internal/buffer'); const kMaxUint32 = 2 ** 32 - 1; const kMaxPossibleLength = MathMin(kMaxLength, kMaxUint32); @@ -52,7 +53,7 @@ function randomBytes(size, cb) { if (cb !== undefined && typeof cb !== 'function') throw new ERR_INVALID_CALLBACK(cb); - const buf = Buffer.alloc(size); + const buf = new FastBuffer(size); if (!cb) return handleError(_randomBytes(buf, 0, size), buf); diff --git a/test/benchmark/test-benchmark-crypto.js b/test/benchmark/test-benchmark-crypto.js index f24edf675f92f0..6ba71471cf4be2 100644 --- a/test/benchmark/test-benchmark-crypto.js +++ b/test/benchmark/test-benchmark-crypto.js @@ -19,6 +19,7 @@ runBenchmark('crypto', 'len=1', 'n=1', 'out=buffer', + 'size=1', 'type=buf', 'v=crypto', 'writes=1', From 8ecac02c87740be5d08a6db3752743f9df1f888f Mon Sep 17 00:00:00 2001 From: XhmikosR Date: Wed, 22 Jan 2020 14:53:37 +0200 Subject: [PATCH 104/224] doc: remove redundant properties from headers PR-URL: https://github.com/nodejs/node/pull/31492 Reviewed-By: Rich Trott Reviewed-By: Anna Henningsen --- doc/api_assets/style.css | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/doc/api_assets/style.css b/doc/api_assets/style.css index 1310d64eb1b730..9b6be151420d6c 100644 --- a/doc/api_assets/style.css +++ b/doc/api_assets/style.css @@ -27,14 +27,12 @@ h4, h4 code { font-size: 1.5rem; } h5, h5 code { font-size: 1.25rem; } h6, h6 code { font-size: 1rem; } -h1, h1 code, -h2, h2 code, -h3, h3 code, -h4, h4 code, -h5, h5 code, -h6, h6 code { - color: inherit; - font-family: inherit; +h1, +h2, +h3, +h4, +h5, +h6 { font-weight: 700; line-height: inherit; position: relative; @@ -42,6 +40,16 @@ h6, h6 code { text-rendering: optimizeLegibility; } +h1 code, +h2 code, +h3 code, +h4 code, +h5 code, +h6 code { + color: inherit; + font-family: inherit; +} + pre, tt, code, From c8d71caf2c9ad2e6c74a3c220306d75a9e9113b1 Mon Sep 17 00:00:00 2001 From: Rusty Conover Date: Sun, 26 Jan 2020 10:53:26 -0500 Subject: [PATCH 105/224] src: fix debug crash handling null strings When internal debug is enabled, output null strings as "(null)" rather than crashing, matching glibc's behavior. PR-URL: https://github.com/nodejs/node/pull/31523 Reviewed-By: Colin Ihrig Reviewed-By: Denys Otrishko Reviewed-By: Richard Lau Reviewed-By: Anna Henningsen Reviewed-By: Rich Trott Reviewed-By: James M Snell --- src/debug_utils-inl.h | 4 +++- test/cctest/test_util.cc | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/src/debug_utils-inl.h b/src/debug_utils-inl.h index f24643fbae3ad8..2f6137700d8a37 100644 --- a/src/debug_utils-inl.h +++ b/src/debug_utils-inl.h @@ -21,7 +21,9 @@ struct ToStringHelper { enable_if::value, bool>::type, typename dummy = bool> static std::string Convert(const T& value) { return std::to_string(value); } - static std::string Convert(const char* value) { return value; } + static std::string Convert(const char* value) { + return value != nullptr ? value : "(null)"; + } static std::string Convert(const std::string& value) { return value; } static std::string Convert(bool value) { return value ? "true" : "false"; } }; diff --git a/test/cctest/test_util.cc b/test/cctest/test_util.cc index 843d16d9f527c6..a38f549f0387dc 100644 --- a/test/cctest/test_util.cc +++ b/test/cctest/test_util.cc @@ -281,6 +281,7 @@ TEST(UtilTest, SPrintF) { const char* bar = "bar"; EXPECT_EQ(SPrintF("%s %s", foo, "bar"), "foo bar"); EXPECT_EQ(SPrintF("%s %s", foo, bar), "foo bar"); + EXPECT_EQ(SPrintF("%s", nullptr), "(null)"); EXPECT_EQ(SPrintF("[%% %s %%]", foo), "[% foo %]"); From fb1ccd860e510bbe12b2073f2ae2d1517f50d228 Mon Sep 17 00:00:00 2001 From: Brian White Date: Sun, 26 Jan 2020 10:01:21 -0500 Subject: [PATCH 106/224] buffer: improve concat() performance PR-URL: https://github.com/nodejs/node/pull/31522 Reviewed-By: Anna Henningsen Reviewed-By: James M Snell Reviewed-By: Rich Trott --- benchmark/buffers/buffer-concat-fill.js | 23 +++++++++++++++++++++++ lib/buffer.js | 9 ++++++--- test/benchmark/test-benchmark-buffer.js | 1 + 3 files changed, 30 insertions(+), 3 deletions(-) create mode 100644 benchmark/buffers/buffer-concat-fill.js diff --git a/benchmark/buffers/buffer-concat-fill.js b/benchmark/buffers/buffer-concat-fill.js new file mode 100644 index 00000000000000..8fb389fe6c8639 --- /dev/null +++ b/benchmark/buffers/buffer-concat-fill.js @@ -0,0 +1,23 @@ +'use strict'; +const common = require('../common.js'); + +const bench = common.createBenchmark(main, { + extraSize: [1, 256, 4 * 256], + n: [8e5] +}); + +function main({ n, extraSize }) { + const pieces = 4; + const pieceSize = 256; + + const list = Array.from({ length: pieces }) + .fill(Buffer.allocUnsafe(pieceSize)); + + const totalLength = (pieces * pieceSize) + extraSize; + + bench.start(); + for (let i = 0; i < n; i++) { + Buffer.concat(list, totalLength); + } + bench.end(n); +} diff --git a/lib/buffer.js b/lib/buffer.js index 5a6b75c33e5be6..bf7ae972eff6e5 100644 --- a/lib/buffer.js +++ b/lib/buffer.js @@ -238,6 +238,10 @@ function _copy(source, target, targetStart, sourceStart, sourceEnd) { sourceStart); } + return _copyActual(source, target, targetStart, sourceStart, sourceEnd); +} + +function _copyActual(source, target, targetStart, sourceStart, sourceEnd) { if (sourceEnd - sourceStart > target.length - targetStart) sourceEnd = sourceStart + target.length - targetStart; @@ -568,8 +572,7 @@ Buffer.concat = function concat(list, length) { throw new ERR_INVALID_ARG_TYPE( `list[${i}]`, ['Buffer', 'Uint8Array'], list[i]); } - _copy(buf, buffer, pos); - pos += buf.length; + pos += _copyActual(buf, buffer, pos, 0, buf.length); } // Note: `length` is always equal to `buffer.length` at this point @@ -577,7 +580,7 @@ Buffer.concat = function concat(list, length) { // Zero-fill the remaining bytes if the specified `length` was more than // the actual total length, i.e. if we have some remaining allocated bytes // there were not initialized. - buffer.fill(0, pos, length); + TypedArrayFill.call(buffer, 0, pos, length); } return buffer; diff --git a/test/benchmark/test-benchmark-buffer.js b/test/benchmark/test-benchmark-buffer.js index 6ce0e542a93474..57130ffb08ba3d 100644 --- a/test/benchmark/test-benchmark-buffer.js +++ b/test/benchmark/test-benchmark-buffer.js @@ -15,6 +15,7 @@ runBenchmark('buffers', 'difflen=false', 'encoding=utf8', 'endian=BE', + 'extraSize=1', 'len=256', 'linesCount=1', 'method=', From ce3f3effe9146409829624b1815e96b7d6db8861 Mon Sep 17 00:00:00 2001 From: Daniele Belardi Date: Fri, 24 Jan 2020 18:12:49 +0100 Subject: [PATCH 107/224] benchmark: use let and const instead of var Use let and const in domain, es, events, fixtures, fs, http, http2 and misc. PR-URL: https://github.com/nodejs/node/pull/31518 Reviewed-By: Anna Henningsen Reviewed-By: Rich Trott --- benchmark/domain/domain-fn-args.js | 2 +- benchmark/es/defaultparams-bench.js | 4 ++-- benchmark/es/destructuring-bench.js | 8 ++++---- benchmark/es/destructuring-object-bench.js | 6 ++---- benchmark/es/foreach-bench.js | 16 ++++++++-------- benchmark/es/map-bench.js | 12 ++++++------ benchmark/es/restparams-bench.js | 10 +++++----- benchmark/es/spread-assign.js | 7 +++---- benchmark/es/spread-bench.js | 12 ++++++------ benchmark/events/ee-add-remove.js | 9 ++++----- benchmark/events/ee-emit.js | 11 +++++------ .../events/ee-listener-count-on-prototype.js | 4 ++-- benchmark/events/ee-listeners-many.js | 4 ++-- benchmark/events/ee-listeners.js | 4 ++-- benchmark/fixtures/simple-http-server.js | 6 +++--- benchmark/fs/bench-readdirSync.js | 2 +- benchmark/fs/bench-realpathSync.js | 2 +- benchmark/fs/bench-stat.js | 2 +- benchmark/fs/bench-statSync.js | 2 +- benchmark/fs/read-stream-throughput.js | 6 +++--- benchmark/fs/readFileSync.js | 2 +- benchmark/fs/readfile-partitioned.js | 10 +++++----- benchmark/fs/readfile.js | 6 +++--- benchmark/fs/write-stream-throughput.js | 8 ++++---- benchmark/http/_chunky_http_client.js | 10 +++++----- benchmark/http/client-request-body.js | 6 +++--- benchmark/http/cluster.js | 2 +- benchmark/http/end-vs-write-end.js | 2 +- benchmark/http2/headers.js | 2 +- benchmark/misc/arguments.js | 4 ++-- benchmark/misc/freelist.js | 4 ++-- benchmark/misc/object-property-bench.js | 16 ++++++++-------- benchmark/misc/punycode.js | 7 +++---- benchmark/misc/trace.js | 4 ++-- benchmark/misc/util-extend-vs-object-assign.js | 4 ++-- 35 files changed, 105 insertions(+), 111 deletions(-) diff --git a/benchmark/domain/domain-fn-args.js b/benchmark/domain/domain-fn-args.js index c889b35442d046..18906a9ce64099 100644 --- a/benchmark/domain/domain-fn-args.js +++ b/benchmark/domain/domain-fn-args.js @@ -15,7 +15,7 @@ function main({ n, args }) { bench.start(); bdomain.enter(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { if (myArguments.length >= 2) { const args = Array.prototype.slice.call(myArguments, 1); fn.apply(this, args); diff --git a/benchmark/es/defaultparams-bench.js b/benchmark/es/defaultparams-bench.js index c568c12ae03fda..ab9cc45749c996 100644 --- a/benchmark/es/defaultparams-bench.js +++ b/benchmark/es/defaultparams-bench.js @@ -22,14 +22,14 @@ function defaultParams(x = 1, y = 2) { function runOldStyleDefaults(n) { bench.start(); - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) oldStyleDefaults(); bench.end(n); } function runDefaultParams(n) { bench.start(); - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) defaultParams(); bench.end(n); } diff --git a/benchmark/es/destructuring-bench.js b/benchmark/es/destructuring-bench.js index 37f3fd9ad3d601..f1b484bd47e08f 100644 --- a/benchmark/es/destructuring-bench.js +++ b/benchmark/es/destructuring-bench.js @@ -9,9 +9,9 @@ const bench = common.createBenchmark(main, { }); function runSwapManual(n) { - var x, y, r; + let x, y, r; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { x = 1, y = 2; r = x; x = y; @@ -23,9 +23,9 @@ function runSwapManual(n) { } function runSwapDestructured(n) { - var x, y; + let x, y; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { x = 1, y = 2; [x, y] = [y, x]; assert.strictEqual(x, 2); diff --git a/benchmark/es/destructuring-object-bench.js b/benchmark/es/destructuring-object-bench.js index 0c5615fd1e667b..68dc17073badc2 100644 --- a/benchmark/es/destructuring-object-bench.js +++ b/benchmark/es/destructuring-object-bench.js @@ -8,10 +8,9 @@ const bench = common.createBenchmark(main, { }); function runNormal(n) { - var i = 0; const o = { x: 0, y: 1 }; bench.start(); - for (; i < n; i++) { + for (let i = 0; i < n; i++) { /* eslint-disable no-unused-vars */ const x = o.x; const y = o.y; @@ -22,10 +21,9 @@ function runNormal(n) { } function runDestructured(n) { - var i = 0; const o = { x: 0, y: 1 }; bench.start(); - for (; i < n; i++) { + for (let i = 0; i < n; i++) { /* eslint-disable no-unused-vars */ const { x, y, r = 2 } = o; /* eslint-enable no-unused-vars */ diff --git a/benchmark/es/foreach-bench.js b/benchmark/es/foreach-bench.js index f424ca7a2552b2..88bfed00fbc27c 100644 --- a/benchmark/es/foreach-bench.js +++ b/benchmark/es/foreach-bench.js @@ -10,8 +10,8 @@ const bench = common.createBenchmark(main, { function useFor(n, items, count) { bench.start(); - for (var i = 0; i < n; i++) { - for (var j = 0; j < count; j++) { + for (let i = 0; i < n; i++) { + for (let j = 0; j < count; j++) { // eslint-disable-next-line no-unused-vars const item = items[j]; } @@ -21,7 +21,7 @@ function useFor(n, items, count) { function useForOf(n, items) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { // eslint-disable-next-line no-unused-vars for (const item of items) {} } @@ -30,8 +30,8 @@ function useForOf(n, items) { function useForIn(n, items) { bench.start(); - for (var i = 0; i < n; i++) { - for (var j in items) { + for (let i = 0; i < n; i++) { + for (const j in items) { // eslint-disable-next-line no-unused-vars const item = items[j]; } @@ -41,7 +41,7 @@ function useForIn(n, items) { function useForEach(n, items) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { items.forEach((item) => {}); } bench.end(n); @@ -49,8 +49,8 @@ function useForEach(n, items) { function main({ n, count, method }) { const items = new Array(count); - var fn; - for (var i = 0; i < count; i++) + let fn; + for (let i = 0; i < count; i++) items[i] = i; switch (method) { diff --git a/benchmark/es/map-bench.js b/benchmark/es/map-bench.js index a2f9e2450a1f23..1b3ba4789db073 100644 --- a/benchmark/es/map-bench.js +++ b/benchmark/es/map-bench.js @@ -14,7 +14,7 @@ const bench = common.createBenchmark(main, { function runObject(n) { const m = {}; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { m[`i${i}`] = i; m[`s${i}`] = String(i); assert.strictEqual(String(m[`i${i}`]), m[`s${i}`]); @@ -27,7 +27,7 @@ function runObject(n) { function runNullProtoObject(n) { const m = Object.create(null); bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { m[`i${i}`] = i; m[`s${i}`] = String(i); assert.strictEqual(String(m[`i${i}`]), m[`s${i}`]); @@ -40,7 +40,7 @@ function runNullProtoObject(n) { function runNullProtoLiteralObject(n) { const m = { __proto__: null }; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { m[`i${i}`] = i; m[`s${i}`] = String(i); assert.strictEqual(String(m[`i${i}`]), m[`s${i}`]); @@ -56,7 +56,7 @@ StorageObject.prototype = Object.create(null); function runStorageObject(n) { const m = new StorageObject(); bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { m[`i${i}`] = i; m[`s${i}`] = String(i); assert.strictEqual(String(m[`i${i}`]), m[`s${i}`]); @@ -79,7 +79,7 @@ function fakeMap() { function runFakeMap(n) { const m = fakeMap(); bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { m.set(`i${i}`, i); m.set(`s${i}`, String(i)); assert.strictEqual(String(m.get(`i${i}`)), m.get(`s${i}`)); @@ -92,7 +92,7 @@ function runFakeMap(n) { function runMap(n) { const m = new Map(); bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { m.set(`i${i}`, i); m.set(`s${i}`, String(i)); assert.strictEqual(String(m.get(`i${i}`)), m.get(`s${i}`)); diff --git a/benchmark/es/restparams-bench.js b/benchmark/es/restparams-bench.js index d9b4878cb316a0..d568e28744541f 100644 --- a/benchmark/es/restparams-bench.js +++ b/benchmark/es/restparams-bench.js @@ -11,7 +11,7 @@ const bench = common.createBenchmark(main, { function copyArguments() { const len = arguments.length; const args = new Array(len); - for (var i = 0; i < len; i++) + for (let i = 0; i < len; i++) args[i] = arguments[i]; assert.strictEqual(args[0], 1); assert.strictEqual(args[1], 2); @@ -34,22 +34,22 @@ function useArguments() { } function runCopyArguments(n) { - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) copyArguments(1, 2, 'a', 'b'); } function runRestArguments(n) { - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) restArguments(1, 2, 'a', 'b'); } function runUseArguments(n) { - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) useArguments(1, 2, 'a', 'b'); } function main({ n, method }) { - var fn; + let fn; switch (method) { case '': // Empty string falls through to next line as default, mostly for tests. diff --git a/benchmark/es/spread-assign.js b/benchmark/es/spread-assign.js index bbe07e02e15110..97a5c5458e396b 100644 --- a/benchmark/es/spread-assign.js +++ b/benchmark/es/spread-assign.js @@ -16,26 +16,25 @@ function main({ n, context, count, rest, method }) { src[`p${n}`] = n; let obj; // eslint-disable-line no-unused-vars - let i; switch (method) { case '': // Empty string falls through to next line as default, mostly for tests. case '_extend': bench.start(); - for (i = 0; i < n; i++) + for (let i = 0; i < n; i++) obj = util._extend({}, src); bench.end(n); break; case 'assign': bench.start(); - for (i = 0; i < n; i++) + for (let i = 0; i < n; i++) obj = Object.assign({}, src); bench.end(n); break; case 'spread': bench.start(); - for (i = 0; i < n; i++) + for (let i = 0; i < n; i++) obj = { ...src }; bench.end(n); break; diff --git a/benchmark/es/spread-bench.js b/benchmark/es/spread-bench.js index 97c7596b6b732b..fc56c9433f2add 100644 --- a/benchmark/es/spread-bench.js +++ b/benchmark/es/spread-bench.js @@ -25,10 +25,10 @@ function makeTest(count, rest) { function main({ n, context, count, rest, method }) { const ctx = context === 'context' ? {} : null; - var fn = makeTest(count, rest); + let fn = makeTest(count, rest); const args = new Array(count); - var i; - for (i = 0; i < count; i++) + + for (let i = 0; i < count; i++) args[i] = i; switch (method) { @@ -36,7 +36,7 @@ function main({ n, context, count, rest, method }) { // Empty string falls through to next line as default, mostly for tests. case 'apply': bench.start(); - for (i = 0; i < n; i++) + for (let i = 0; i < n; i++) fn.apply(ctx, args); bench.end(n); break; @@ -44,13 +44,13 @@ function main({ n, context, count, rest, method }) { if (ctx !== null) fn = fn.bind(ctx); bench.start(); - for (i = 0; i < n; i++) + for (let i = 0; i < n; i++) fn(...args); bench.end(n); break; case 'call-spread': bench.start(); - for (i = 0; i < n; i++) + for (let i = 0; i < n; i++) fn.call(ctx, ...args); bench.end(n); break; diff --git a/benchmark/events/ee-add-remove.js b/benchmark/events/ee-add-remove.js index 2d20736b057568..715eab29a59c4c 100644 --- a/benchmark/events/ee-add-remove.js +++ b/benchmark/events/ee-add-remove.js @@ -8,17 +8,16 @@ function main({ n }) { const ee = new events.EventEmitter(); const listeners = []; - var k; - for (k = 0; k < 10; k += 1) + for (let k = 0; k < 10; k += 1) listeners.push(() => {}); bench.start(); - for (var i = 0; i < n; i += 1) { + for (let i = 0; i < n; i += 1) { const dummy = (i % 2 === 0) ? 'dummy0' : 'dummy1'; - for (k = listeners.length; --k >= 0; /* empty */) { + for (let k = listeners.length; --k >= 0; /* empty */) { ee.on(dummy, listeners[k]); } - for (k = listeners.length; --k >= 0; /* empty */) { + for (let k = listeners.length; --k >= 0; /* empty */) { ee.removeListener(dummy, listeners[k]); } } diff --git a/benchmark/events/ee-emit.js b/benchmark/events/ee-emit.js index 8f1c2761ffd4ba..39bcbb937d6c56 100644 --- a/benchmark/events/ee-emit.js +++ b/benchmark/events/ee-emit.js @@ -11,35 +11,34 @@ const bench = common.createBenchmark(main, { function main({ n, argc, listeners }) { const ee = new EventEmitter(); - for (var k = 0; k < listeners; k += 1) + for (let k = 0; k < listeners; k += 1) ee.on('dummy', () => {}); - var i; switch (argc) { case 2: bench.start(); - for (i = 0; i < n; i += 1) { + for (let i = 0; i < n; i += 1) { ee.emit('dummy', true, 5); } bench.end(n); break; case 4: bench.start(); - for (i = 0; i < n; i += 1) { + for (let i = 0; i < n; i += 1) { ee.emit('dummy', true, 5, 10, false); } bench.end(n); break; case 10: bench.start(); - for (i = 0; i < n; i += 1) { + for (let i = 0; i < n; i += 1) { ee.emit('dummy', true, 5, 10, false, 5, 'string', true, false, 11, 20); } bench.end(n); break; default: bench.start(); - for (i = 0; i < n; i += 1) { + for (let i = 0; i < n; i += 1) { ee.emit('dummy'); } bench.end(n); diff --git a/benchmark/events/ee-listener-count-on-prototype.js b/benchmark/events/ee-listener-count-on-prototype.js index d48e96a46aafe2..04cadc8dcb64da 100644 --- a/benchmark/events/ee-listener-count-on-prototype.js +++ b/benchmark/events/ee-listener-count-on-prototype.js @@ -7,13 +7,13 @@ const bench = common.createBenchmark(main, { n: [5e7] }); function main({ n }) { const ee = new EventEmitter(); - for (var k = 0; k < 5; k += 1) { + for (let k = 0; k < 5; k += 1) { ee.on('dummy0', () => {}); ee.on('dummy1', () => {}); } bench.start(); - for (var i = 0; i < n; i += 1) { + for (let i = 0; i < n; i += 1) { const dummy = (i % 2 === 0) ? 'dummy0' : 'dummy1'; ee.listenerCount(dummy); } diff --git a/benchmark/events/ee-listeners-many.js b/benchmark/events/ee-listeners-many.js index 7f9099c41790ea..bd3f3538d63c92 100644 --- a/benchmark/events/ee-listeners-many.js +++ b/benchmark/events/ee-listeners-many.js @@ -8,13 +8,13 @@ function main({ n }) { const ee = new EventEmitter(); ee.setMaxListeners(101); - for (var k = 0; k < 50; k += 1) { + for (let k = 0; k < 50; k += 1) { ee.on('dummy0', () => {}); ee.on('dummy1', () => {}); } bench.start(); - for (var i = 0; i < n; i += 1) { + for (let i = 0; i < n; i += 1) { const dummy = (i % 2 === 0) ? 'dummy0' : 'dummy1'; ee.listeners(dummy); } diff --git a/benchmark/events/ee-listeners.js b/benchmark/events/ee-listeners.js index 74b88b043401b5..867393efffcb04 100644 --- a/benchmark/events/ee-listeners.js +++ b/benchmark/events/ee-listeners.js @@ -7,13 +7,13 @@ const bench = common.createBenchmark(main, { n: [5e6] }); function main({ n }) { const ee = new EventEmitter(); - for (var k = 0; k < 5; k += 1) { + for (let k = 0; k < 5; k += 1) { ee.on('dummy0', () => {}); ee.on('dummy1', () => {}); } bench.start(); - for (var i = 0; i < n; i += 1) { + for (let i = 0; i < n; i += 1) { const dummy = (i % 2 === 0) ? 'dummy0' : 'dummy1'; ee.listeners(dummy); } diff --git a/benchmark/fixtures/simple-http-server.js b/benchmark/fixtures/simple-http-server.js index 2b4f1ea956d7cc..fb5b0d87c16e0d 100644 --- a/benchmark/fixtures/simple-http-server.js +++ b/benchmark/fixtures/simple-http-server.js @@ -31,14 +31,14 @@ module.exports = http.createServer((req, res) => { // URL format: /////chunkedEnc const params = req.url.split('/'); const command = params[1]; - var body = ''; + let body = ''; const arg = params[2]; const n_chunks = parseInt(params[3], 10); const resHow = params.length >= 5 ? params[4] : 'normal'; const chunkedEnc = params.length >= 6 && params[5] === '0' ? false : true; - var status = 200; + let status = 200; - var n, i; + let n, i; if (command === 'bytes') { n = ~~arg; if (n <= 0) diff --git a/benchmark/fs/bench-readdirSync.js b/benchmark/fs/bench-readdirSync.js index 5d0e97399a33ff..c0144d3460f8ff 100644 --- a/benchmark/fs/bench-readdirSync.js +++ b/benchmark/fs/bench-readdirSync.js @@ -15,7 +15,7 @@ function main({ n, dir, withFileTypes }) { withFileTypes = withFileTypes === 'true'; const fullPath = path.resolve(__dirname, '../../', dir); bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { fs.readdirSync(fullPath, { withFileTypes }); } bench.end(n); diff --git a/benchmark/fs/bench-realpathSync.js b/benchmark/fs/bench-realpathSync.js index 7a01bd18cb72bf..d0dbd7f891f126 100644 --- a/benchmark/fs/bench-realpathSync.js +++ b/benchmark/fs/bench-realpathSync.js @@ -17,7 +17,7 @@ const bench = common.createBenchmark(main, { function main({ n, pathType }) { const path = pathType === 'relative' ? relative_path : resolved_path; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { fs.realpathSync(path); } bench.end(n); diff --git a/benchmark/fs/bench-stat.js b/benchmark/fs/bench-stat.js index 0b2e1972e2cb80..e1f51c762c8e5f 100644 --- a/benchmark/fs/bench-stat.js +++ b/benchmark/fs/bench-stat.js @@ -10,7 +10,7 @@ const bench = common.createBenchmark(main, { function main({ n, statType }) { - var arg; + let arg; if (statType === 'fstat') arg = fs.openSync(__filename, 'r'); else diff --git a/benchmark/fs/bench-statSync.js b/benchmark/fs/bench-statSync.js index bd8754a6c3d0e3..0c9366a402cb71 100644 --- a/benchmark/fs/bench-statSync.js +++ b/benchmark/fs/bench-statSync.js @@ -16,7 +16,7 @@ function main({ n, statSyncType }) { const fn = fs[statSyncType]; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { fn(arg); } bench.end(n); diff --git a/benchmark/fs/read-stream-throughput.js b/benchmark/fs/read-stream-throughput.js index cb5d98dc3279f6..de840d2d2fa3e1 100644 --- a/benchmark/fs/read-stream-throughput.js +++ b/benchmark/fs/read-stream-throughput.js @@ -49,7 +49,7 @@ function runTest() { bench.start(); }); - var bytes = 0; + let bytes = 0; rs.on('data', (chunk) => { bytes += chunk.length; }); @@ -65,7 +65,7 @@ function makeFile() { const buf = Buffer.allocUnsafe(filesize / 1024); if (encoding === 'utf8') { // ü - for (var i = 0; i < buf.length; i++) { + for (let i = 0; i < buf.length; i++) { buf[i] = i % 2 === 0 ? 0xC3 : 0xBC; } } else if (encoding === 'ascii') { @@ -75,7 +75,7 @@ function makeFile() { } try { fs.unlinkSync(filename); } catch {} - var w = 1024; + let w = 1024; const ws = fs.createWriteStream(filename); ws.on('close', runTest); ws.on('drain', write); diff --git a/benchmark/fs/readFileSync.js b/benchmark/fs/readFileSync.js index c28adeb229b358..47d210b7aa0463 100644 --- a/benchmark/fs/readFileSync.js +++ b/benchmark/fs/readFileSync.js @@ -9,7 +9,7 @@ const bench = common.createBenchmark(main, { function main({ n }) { bench.start(); - for (var i = 0; i < n; ++i) + for (let i = 0; i < n; ++i) fs.readFileSync(__filename); bench.end(n); } diff --git a/benchmark/fs/readfile-partitioned.js b/benchmark/fs/readfile-partitioned.js index 90af3754ce3de2..5f452319b4d28f 100644 --- a/benchmark/fs/readfile-partitioned.js +++ b/benchmark/fs/readfile-partitioned.js @@ -25,15 +25,15 @@ const bench = common.createBenchmark(main, { function main(conf) { const len = +conf.len; try { fs.unlinkSync(filename); } catch {} - var data = Buffer.alloc(len, 'x'); + let data = Buffer.alloc(len, 'x'); fs.writeFileSync(filename, data); data = null; const zipData = Buffer.alloc(1024, 'a'); - var reads = 0; - var zips = 0; - var benchEnded = false; + let reads = 0; + let zips = 0; + let benchEnded = false; bench.start(); setTimeout(() => { const totalOps = reads + zips; @@ -78,7 +78,7 @@ function main(conf) { } // Start reads - var cur = +conf.concurrent; + let cur = +conf.concurrent; while (cur--) read(); // Start a competing zip diff --git a/benchmark/fs/readfile.js b/benchmark/fs/readfile.js index 551804b1dbab1f..43393bf1b33ef3 100644 --- a/benchmark/fs/readfile.js +++ b/benchmark/fs/readfile.js @@ -18,12 +18,12 @@ const bench = common.createBenchmark(main, { function main({ len, dur, concurrent }) { try { fs.unlinkSync(filename); } catch {} - var data = Buffer.alloc(len, 'x'); + let data = Buffer.alloc(len, 'x'); fs.writeFileSync(filename, data); data = null; - var reads = 0; - var benchEnded = false; + let reads = 0; + let benchEnded = false; bench.start(); setTimeout(() => { benchEnded = true; diff --git a/benchmark/fs/write-stream-throughput.js b/benchmark/fs/write-stream-throughput.js index 3936adc7ff1b42..f715dfb96d8679 100644 --- a/benchmark/fs/write-stream-throughput.js +++ b/benchmark/fs/write-stream-throughput.js @@ -14,9 +14,9 @@ const bench = common.createBenchmark(main, { }); function main({ dur, encodingType, size }) { - var encoding; + let encoding; - var chunk; + let chunk; switch (encodingType) { case 'buf': chunk = Buffer.alloc(size, 'b'); @@ -35,8 +35,8 @@ function main({ dur, encodingType, size }) { try { fs.unlinkSync(filename); } catch {} - var started = false; - var ended = false; + let started = false; + let ended = false; const f = fs.createWriteStream(filename); f.on('drain', write); diff --git a/benchmark/http/_chunky_http_client.js b/benchmark/http/_chunky_http_client.js index 1bf7fa284a835b..1ab95a2b9706c1 100644 --- a/benchmark/http/_chunky_http_client.js +++ b/benchmark/http/_chunky_http_client.js @@ -12,7 +12,7 @@ const bench = common.createBenchmark(main, { function main({ len, n }) { - var todo = []; + let todo = []; const headers = []; // Chose 7 because 9 showed "Connection error" / "Connection closed" // An odd number could result in a better length dispersion. @@ -48,19 +48,19 @@ function main({ len, n }) { } const min = 10; - var size = 0; + let size = 0; const mod = 317; const mult = 17; const add = 11; - var count = 0; + let count = 0; const PIPE = process.env.PIPE_NAME; const socket = net.connect(PIPE, () => { bench.start(); WriteHTTPHeaders(socket, 1, len); socket.setEncoding('utf8'); socket.on('data', (d) => { - var did = false; - var pattern = 'HTTP/1.1 200 OK\r\n'; + let did = false; + let pattern = 'HTTP/1.1 200 OK\r\n'; if ((d.length === pattern.length && d === pattern) || (d.length > pattern.length && d.slice(0, pattern.length) === pattern)) { diff --git a/benchmark/http/client-request-body.js b/benchmark/http/client-request-body.js index b5ac2828c6ff1f..6e2323b3f07e8a 100644 --- a/benchmark/http/client-request-body.js +++ b/benchmark/http/client-request-body.js @@ -12,8 +12,8 @@ const bench = common.createBenchmark(main, { }); function main({ dur, len, type, method }) { - var encoding; - var chunk; + let encoding; + let chunk; switch (type) { case 'buf': chunk = Buffer.alloc(len, 'x'); @@ -27,7 +27,7 @@ function main({ dur, len, type, method }) { break; } - var nreqs = 0; + let nreqs = 0; const options = { headers: { 'Connection': 'keep-alive', 'Transfer-Encoding': 'chunked' }, agent: new http.Agent({ maxSockets: 1 }), diff --git a/benchmark/http/cluster.js b/benchmark/http/cluster.js index c2d6d8e1a70c90..3bcd061a0894c5 100644 --- a/benchmark/http/cluster.js +++ b/benchmark/http/cluster.js @@ -18,7 +18,7 @@ if (cluster.isMaster) { function main({ type, len, c }) { process.env.PORT = PORT; - var workers = 0; + let workers = 0; const w1 = cluster.fork(); const w2 = cluster.fork(); diff --git a/benchmark/http/end-vs-write-end.js b/benchmark/http/end-vs-write-end.js index b4ca560b9a897c..38e9b89a97a6b4 100644 --- a/benchmark/http/end-vs-write-end.js +++ b/benchmark/http/end-vs-write-end.js @@ -19,7 +19,7 @@ const bench = common.createBenchmark(main, { function main({ len, type, method, c }) { const http = require('http'); - var chunk; + let chunk; switch (type) { case 'buf': chunk = Buffer.alloc(len, 'x'); diff --git a/benchmark/http2/headers.js b/benchmark/http2/headers.js index f18a73b95e2421..56799da1987e53 100644 --- a/benchmark/http2/headers.js +++ b/benchmark/http2/headers.js @@ -24,7 +24,7 @@ function main({ n, nheaders }) { 'user-agent': 'SuperBenchmarker 3000' }; - for (var i = 0; i < nheaders; i++) { + for (let i = 0; i < nheaders; i++) { headersObject[`foo${i}`] = `some header value ${i}`; } diff --git a/benchmark/misc/arguments.js b/benchmark/misc/arguments.js index 5b0cb0e2ca1488..8fefe617a51d56 100644 --- a/benchmark/misc/arguments.js +++ b/benchmark/misc/arguments.js @@ -32,7 +32,7 @@ function usingPredefined() { } function main({ n, method, args }) { - var fn; + let fn; switch (method) { // '' is a default case for tests case '': @@ -53,7 +53,7 @@ function main({ n, method, args }) { } bench.start(); - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) fn('part 1', 'part', 2, 'part 3', 'part', 4); bench.end(n); } diff --git a/benchmark/misc/freelist.js b/benchmark/misc/freelist.js index e6868fae1ce8c5..d03c3674fdbfac 100644 --- a/benchmark/misc/freelist.js +++ b/benchmark/misc/freelist.js @@ -14,7 +14,7 @@ function main({ n }) { FreeList = FreeList.FreeList; const poolSize = 1000; const list = new FreeList('test', poolSize, Object); - var j; + let j; const used = []; // First, alloc `poolSize` items @@ -24,7 +24,7 @@ function main({ n }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { // Return all the items to the pool for (j = 0; j < poolSize; j++) { list.free(used[j]); diff --git a/benchmark/misc/object-property-bench.js b/benchmark/misc/object-property-bench.js index fae11119b6fe23..0a4d004999ed23 100644 --- a/benchmark/misc/object-property-bench.js +++ b/benchmark/misc/object-property-bench.js @@ -11,9 +11,9 @@ const bench = common.createBenchmark(main, { function runProperty(n) { const object = {}; - var i = 0; + bench.start(); - for (; i < n; i++) { + for (let i = 0; i < n; i++) { object.p1 = 21; object.p2 = 21; object.p1 += object.p2; @@ -23,9 +23,9 @@ function runProperty(n) { function runString(n) { const object = {}; - var i = 0; + bench.start(); - for (; i < n; i++) { + for (let i = 0; i < n; i++) { object['p1'] = 21; object['p2'] = 21; object['p1'] += object['p2']; @@ -37,9 +37,9 @@ function runVariable(n) { const object = {}; const var1 = 'p1'; const var2 = 'p2'; - var i = 0; + bench.start(); - for (; i < n; i++) { + for (let i = 0; i < n; i++) { object[var1] = 21; object[var2] = 21; object[var1] += object[var2]; @@ -51,9 +51,9 @@ function runSymbol(n) { const object = {}; const symbol1 = Symbol('p1'); const symbol2 = Symbol('p2'); - var i = 0; + bench.start(); - for (; i < n; i++) { + for (let i = 0; i < n; i++) { object[symbol1] = 21; object[symbol2] = 21; object[symbol1] += object[symbol2]; diff --git a/benchmark/misc/punycode.js b/benchmark/misc/punycode.js index 18023419709ee5..5f85df758ef7e3 100644 --- a/benchmark/misc/punycode.js +++ b/benchmark/misc/punycode.js @@ -45,18 +45,17 @@ function usingICU(val) { } function runPunycode(n, val) { - var i = 0; - for (; i < n; i++) + for (let i = 0; i < n; i++) usingPunycode(val); bench.start(); - for (i = 0; i < n; i++) + for (let i = 0; i < n; i++) usingPunycode(val); bench.end(n); } function runICU(n, val) { bench.start(); - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) usingICU(val); bench.end(n); } diff --git a/benchmark/misc/trace.js b/benchmark/misc/trace.js index d76f53cf04e82d..bdbf547007e72e 100644 --- a/benchmark/misc/trace.js +++ b/benchmark/misc/trace.js @@ -15,7 +15,7 @@ const { function doTrace(n, trace) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { trace(kBeforeEvent, 'foo', 'test', 0, 'test'); } bench.end(n); @@ -23,7 +23,7 @@ function doTrace(n, trace) { function doIsTraceCategoryEnabled(n, isTraceCategoryEnabled) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { isTraceCategoryEnabled('foo'); isTraceCategoryEnabled('bar'); } diff --git a/benchmark/misc/util-extend-vs-object-assign.js b/benchmark/misc/util-extend-vs-object-assign.js index 3880711b660fe1..b3d95f0e2d97a4 100644 --- a/benchmark/misc/util-extend-vs-object-assign.js +++ b/benchmark/misc/util-extend-vs-object-assign.js @@ -22,13 +22,13 @@ function main({ n, type }) { // Force-optimize the method to test so that the benchmark doesn't // get disrupted by the optimizer kicking in halfway through. - for (var i = 0; i < type.length * 10; i += 1) + for (let i = 0; i < type.length * 10; i += 1) fn({}, process.env); const obj = new Proxy({}, { set: function(a, b, c) { return true; } }); bench.start(); - for (var j = 0; j < n; j += 1) + for (let j = 0; j < n; j += 1) fn(obj, process.env); bench.end(n); } From 98708a5de9159893fbc1ca3fe7068faad56cd7df Mon Sep 17 00:00:00 2001 From: "Giovanny Andres Gongora Granada (Gioyik)" Date: Sun, 26 Jan 2020 17:27:24 -0500 Subject: [PATCH 108/224] tools: replace deprecated iteritems() for items() This is a Built-In change in Python 3 used by compile_commands_json.py to generate compile_commands_json.json. Node.js dropped Python 2 support in this script, `items()` works as expected replacement. PR-URL: https://github.com/nodejs/node/pull/31528 Reviewed-By: Richard Lau Reviewed-By: Colin Ihrig Reviewed-By: Minwoo Jung Reviewed-By: Rich Trott Reviewed-By: Christian Clauss Reviewed-By: Ben Noordhuis --- tools/gyp/pylib/gyp/generator/compile_commands_json.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/gyp/pylib/gyp/generator/compile_commands_json.py b/tools/gyp/pylib/gyp/generator/compile_commands_json.py index 575db63c4e1943..1b8490451f9793 100644 --- a/tools/gyp/pylib/gyp/generator/compile_commands_json.py +++ b/tools/gyp/pylib/gyp/generator/compile_commands_json.py @@ -43,7 +43,7 @@ def CalculateVariables(default_variables, params): def AddCommandsForTarget(cwd, target, params, per_config_commands): output_dir = params['generator_flags']['output_dir'] - for configuration_name, configuration in target['configurations'].iteritems(): + for configuration_name, configuration in target['configurations'].items(): builddir_name = os.path.join(output_dir, configuration_name) if IsMac(params): @@ -92,7 +92,7 @@ def resolve(filename): def GenerateOutput(target_list, target_dicts, data, params): per_config_commands = {} - for qualified_target, target in target_dicts.iteritems(): + for qualified_target, target in target_dicts.items(): build_file, target_name, toolset = ( gyp.common.ParseQualifiedTarget(qualified_target)) if IsMac(params): @@ -102,7 +102,7 @@ def GenerateOutput(target_list, target_dicts, data, params): AddCommandsForTarget(cwd, target, params, per_config_commands) output_dir = params['generator_flags']['output_dir'] - for configuration_name, commands in per_config_commands.iteritems(): + for configuration_name, commands in per_config_commands.items(): filename = os.path.join(output_dir, configuration_name, 'compile_commands.json') From 25bb5589e21da6a27638807057faede15616a8a7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tobias=20Nie=C3=9Fen?= Date: Mon, 20 Jan 2020 11:41:45 -0400 Subject: [PATCH 109/224] doc: change error message testing policy Dynamic error messages often contain important information that depends on the context, e.g., which argument caused an ERR_INVALID_ARG_TYPE, which type was expected, and which type was received. I don't think that internal breakage when changing a dynamic error message should prevent us from testing such properties properly. PR-URL: https://github.com/nodejs/node/pull/31421 Reviewed-By: Rich Trott --- doc/guides/using-internal-errors.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/guides/using-internal-errors.md b/doc/guides/using-internal-errors.md index 77eabb4ad48dec..9fac1298a1d050 100644 --- a/doc/guides/using-internal-errors.md +++ b/doc/guides/using-internal-errors.md @@ -111,8 +111,8 @@ assert.strictEqual( ``` In addition, there should also be tests which validate the use of the -error based on where it is used in the codebase. For these tests, except in -special cases, they should only validate that the expected code is received +error based on where it is used in the codebase. If the error message is +static, these tests should only validate that the expected code is received and NOT validate the message. This will reduce the amount of test change required when the message for an error changes. From 39bdc2448f36ae7a357a592c7cc821d772dacc78 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Mon, 27 Jan 2020 07:32:47 -0800 Subject: [PATCH 110/224] test,benchmark: fix test-benchmark-zlib PR-URL: https://github.com/nodejs/node/pull/31538 Reviewed-By: Colin Ihrig Reviewed-By: James M Snell --- benchmark/zlib/deflate.js | 2 ++ benchmark/zlib/inflate.js | 2 ++ test/benchmark/test-benchmark-zlib.js | 2 +- 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/benchmark/zlib/deflate.js b/benchmark/zlib/deflate.js index 5e86d659803747..6d3bda90c6fdfa 100644 --- a/benchmark/zlib/deflate.js +++ b/benchmark/zlib/deflate.js @@ -9,6 +9,8 @@ const bench = common.createBenchmark(main, { }); function main({ n, method, inputLen }) { + // Default method value for testing. + method = method || 'deflate'; const chunk = Buffer.alloc(inputLen, 'a'); var i = 0; diff --git a/benchmark/zlib/inflate.js b/benchmark/zlib/inflate.js index 11bc2cce700b40..09379c00c1250b 100644 --- a/benchmark/zlib/inflate.js +++ b/benchmark/zlib/inflate.js @@ -9,6 +9,8 @@ const bench = common.createBenchmark(main, { }); function main({ n, method, inputLen }) { + // Default method value for tests. + method = method || 'inflate'; const chunk = zlib.deflateSync(Buffer.alloc(inputLen, 'a')); let i = 0; diff --git a/test/benchmark/test-benchmark-zlib.js b/test/benchmark/test-benchmark-zlib.js index 4b7e340b8f7abf..adc7e3d47b040d 100644 --- a/test/benchmark/test-benchmark-zlib.js +++ b/test/benchmark/test-benchmark-zlib.js @@ -10,7 +10,7 @@ runBenchmark('zlib', 'chunkLen=1024', 'duration=0.001', 'inputLen=1024', - 'method=deflate', + 'method=', 'n=1', 'options=true', 'type=Deflate', From a4048062534a589d4bdf9222b15d5575950a13cb Mon Sep 17 00:00:00 2001 From: Robert Nagy Date: Tue, 28 Jan 2020 14:16:19 +0100 Subject: [PATCH 111/224] doc: update collaborator guide citgm instructions PR-URL: https://github.com/nodejs/node/pull/31549 Reviewed-By: Anna Henningsen Reviewed-By: Richard Lau Reviewed-By: James M Snell Reviewed-By: Rich Trott Reviewed-By: Luigi Pinca Reviewed-By: Beth Griggs --- COLLABORATOR_GUIDE.md | 32 ++++++++++++++++++++++++++------ 1 file changed, 26 insertions(+), 6 deletions(-) diff --git a/COLLABORATOR_GUIDE.md b/COLLABORATOR_GUIDE.md index a42c4c8b35f4fa..a1837b62926c78 100644 --- a/COLLABORATOR_GUIDE.md +++ b/COLLABORATOR_GUIDE.md @@ -13,6 +13,7 @@ * [Waiting for Approvals](#waiting-for-approvals) * [Testing and CI](#testing-and-ci) * [Useful CI Jobs](#useful-ci-jobs) + * [Starting a CI Job](#starting-a-ci-job) * [Internal vs. Public API](#internal-vs-public-api) * [Breaking Changes](#breaking-changes) * [Breaking Changes and Deprecations](#breaking-changes-and-deprecations) @@ -191,12 +192,6 @@ everything else. Start a fresh CI if more than seven days have elapsed since the original failing CI as the compiled binaries for the Windows and ARM platforms are only kept for seven days. -Some of the CI Jobs may require `GIT_REMOTE_REF` which is the remote portion -of Git refspec. To specify the branch this way `refs/heads/BRANCH` is used -(i.e for `master` -> `refs/heads/master`). -For pull requests it will look like `refs/pull/PR_NUMBER/head` -(i.e. for PR#42 -> `refs/pull/42/head`). - #### Useful CI Jobs * [`node-test-pull-request`](https://ci.nodejs.org/job/node-test-pull-request/) @@ -222,6 +217,31 @@ not used in other CI test runs (such as tests in the `internet` or `pummel` directories). It can also make sure tests pass when provided with a flag not used in other CI test runs (such as `--worker`). +#### Starting a CI Job + +From the CI Job page, click "Build with Parameters" on the left side. + +You generally need to enter only one or both of the following options +in the form: + +* `GIT_REMOTE_REF`: Change to the remote portion of git refspec. +To specify the branch this way, `refs/heads/BRANCH` is used +(e.g. for `master` -> `refs/heads/master`). +For pull requests, it will look like `refs/pull/PR_NUMBER/head` +(e.g. for PR#42 -> `refs/pull/42/head`). +* `REBASE_ONTO`: Change that to `origin/master` so the pull request gets rebased +onto master. This can especially be important for pull requests that have been +open a while. + +Look at the list of jobs on the left hand side under "Build History" and copy +the link to the one you started (which will be the one on top, but click +through to make sure it says something like "Started 5 seconds ago" +(top right) and "Started by user ...". + +Copy/paste the URL for the job into a comment in the pull request. +[`node-test-pull-request`](https://ci.nodejs.org/job/node-test-pull-request/) +is an exception where the GitHub bot will automatically post for you. + ### Internal vs. Public API All functionality in the official Node.js documentation is part of the public From 67cff5085eab830eb38af59dc5d1ce27e671333c Mon Sep 17 00:00:00 2001 From: Sam Roberts Date: Thu, 23 Jan 2020 13:46:22 -0800 Subject: [PATCH 112/224] doc: simultaneous blog and email of sec announce PR-URL: https://github.com/nodejs/node/pull/31483 Reviewed-By: Rich Trott Reviewed-By: Michael Dawson --- doc/guides/security_release_process.md | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/doc/guides/security_release_process.md b/doc/guides/security_release_process.md index 9d1e4f1b33654a..c396dfad7d7d19 100644 --- a/doc/guides/security_release_process.md +++ b/doc/guides/security_release_process.md @@ -31,19 +31,17 @@ the information described. ## Announcement (one week in advance of the planned release) -* Send pre-release announcement to +* [ ] Send pre-release announcement to https://groups.google.com/forum/#!forum/nodejs-sec. One of the existing managers can give access (Ben Noordhuis, Rod Vagg, Michael Dawson). ***LINK TO EMAIL*** -* Post pre-release announcement in vulnerabilities section of Nodejs.org blog - (https://github.com/nodejs/nodejs.org/tree/master/locale/en/blog/vulnerability). +* [ ] Post pre-release announcement in vulnerabilities section of Nodejs.org + blog (https://github.com/nodejs/nodejs.org/tree/master/locale/en/blog/vulnerability). Use last pre-release announcement as a template (it includes blog metadata such as updates to the banner on the Node.js website to indicate security - releases are coming). Submit PR and leave 1 hour for review. After one hour - even if no reviews, land anyway so that we don't have too big a gap between - post to nodejs-sec and blog. Text was already reviewed in security repo so is - unlikely to attract much additional comment. ***LINK TO BLOG PR AND POST*** + releases are coming). Submit PR and land immediately. Text was already + reviewed in security repo. ***LINK TO BLOG PR AND POST*** * [ ] Open an issue in the build working repository with a notification of the date for the security release. Use this issue to co-ordinate with the build From 01ae5a87e217e0e5c6661ff8e9f0a49dcc404ff4 Mon Sep 17 00:00:00 2001 From: Richard Lau Date: Tue, 28 Jan 2020 14:06:27 -0500 Subject: [PATCH 113/224] doc: update job reference in COLLABORATOR_GUIDE.md https://ci.nodejs.org/job/node-test-commit-custom-suites/ is disabled in Jenkins with a note to instead use https://ci.nodejs.org/job/node-test-commit-custom-suites-freestyle/. Update the guide to remove the layer of indirection. PR-URL: https://github.com/nodejs/node/pull/31557 Reviewed-By: Colin Ihrig Reviewed-By: Luigi Pinca Reviewed-By: Michael Dawson Reviewed-By: Trivikram Kamat Reviewed-By: James M Snell Reviewed-By: Rich Trott --- COLLABORATOR_GUIDE.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/COLLABORATOR_GUIDE.md b/COLLABORATOR_GUIDE.md index a1837b62926c78..7e887d7543f50a 100644 --- a/COLLABORATOR_GUIDE.md +++ b/COLLABORATOR_GUIDE.md @@ -211,7 +211,7 @@ that the tests are reliable. runs the standard V8 tests. Run it when updating V8 in Node.js or floating new patches on V8. -* [`node-test-commit-custom-suites`](https://ci.nodejs.org/job/node-test-commit-custom-suites/) +* [`node-test-commit-custom-suites-freestyle`](https://ci.nodejs.org/job/node-test-commit-custom-suites-freestyle/) enables customization of test suites and parameters. It can execute test suites not used in other CI test runs (such as tests in the `internet` or `pummel` directories). It can also make sure tests pass when provided with a flag not From f640a5442bedf10ea958c1c30e8bfb697726f9ee Mon Sep 17 00:00:00 2001 From: aaccttrr Date: Tue, 28 Jan 2020 15:46:36 +0000 Subject: [PATCH 114/224] worker: remove redundant closing of child port PR-URL: https://github.com/nodejs/node/pull/31555 Reviewed-By: Anna Henningsen Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: David Carlier Reviewed-By: Rich Trott --- src/node_worker.cc | 2 -- 1 file changed, 2 deletions(-) diff --git a/src/node_worker.cc b/src/node_worker.cc index fe427b44410e53..5ecdb74e84185a 100644 --- a/src/node_worker.cc +++ b/src/node_worker.cc @@ -263,8 +263,6 @@ void Worker::Run() { { Context::Scope context_scope(env_->context()); - if (child_port != nullptr) - child_port->Close(); { Mutex::ScopedLock lock(mutex_); stopped_ = true; From cf99b7588c44ce2318e0569d3c3e7faab75de2dc Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Tue, 28 Jan 2020 12:59:25 +0000 Subject: [PATCH 115/224] doc: clarify that `v8.serialize()` is not deterministic Fixes: https://github.com/nodejs/help/issues/2448 PR-URL: https://github.com/nodejs/node/pull/31548 Reviewed-By: Colin Ihrig Reviewed-By: Gus Caplan Reviewed-By: James M Snell Reviewed-By: Rich Trott Reviewed-By: Luigi Pinca --- doc/api/v8.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/doc/api/v8.md b/doc/api/v8.md index 1513f75ad0c12f..97ca7e0a2b3138 100644 --- a/doc/api/v8.md +++ b/doc/api/v8.md @@ -268,7 +268,9 @@ if (isMainThread) { The serialization API provides means of serializing JavaScript values in a way that is compatible with the [HTML structured clone algorithm][]. + The format is backward-compatible (i.e. safe to store to disk). +Equal JavaScript values may result in different serialized output. ### `v8.serialize(value)` * (any, kinda silly) -// ~2, ~2.x, ~2.x.x, ~>2, ~>2.x ~>2.x.x --> >=2.0.0 <3.0.0 -// ~2.0, ~2.0.x, ~>2.0, ~>2.0.x --> >=2.0.0 <2.1.0 -// ~1.2, ~1.2.x, ~>1.2, ~>1.2.x --> >=1.2.0 <1.3.0 -// ~1.2.3, ~>1.2.3 --> >=1.2.3 <1.3.0 -// ~1.2.0, ~>1.2.0 --> >=1.2.0 <1.3.0 -function replaceTildes(comp, loose) { - return comp.trim().split(/\s+/).map(function(comp) { - return replaceTilde(comp, loose); - }).join(' '); -} - -function replaceTilde(comp, loose) { - var r = loose ? re[TILDELOOSE] : re[TILDE]; - return comp.replace(r, function(_, M, m, p, pr) { - debug('tilde', comp, _, M, m, p, pr); - var ret; - - if (isX(M)) - ret = ''; - else if (isX(m)) - ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'; - else if (isX(p)) - // ~1.2 == >=1.2.0 <1.3.0 - ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'; - else if (pr) { - debug('replaceTilde pr', pr); - if (pr.charAt(0) !== '-') - pr = '-' + pr; - ret = '>=' + M + '.' + m + '.' + p + pr + - ' <' + M + '.' + (+m + 1) + '.0'; - } else - // ~1.2.3 == >=1.2.3 <1.3.0 - ret = '>=' + M + '.' + m + '.' + p + - ' <' + M + '.' + (+m + 1) + '.0'; - - debug('tilde return', ret); - return ret; - }); -} - -// ^ --> * (any, kinda silly) -// ^2, ^2.x, ^2.x.x --> >=2.0.0 <3.0.0 -// ^2.0, ^2.0.x --> >=2.0.0 <3.0.0 -// ^1.2, ^1.2.x --> >=1.2.0 <2.0.0 -// ^1.2.3 --> >=1.2.3 <2.0.0 -// ^1.2.0 --> >=1.2.0 <2.0.0 -function replaceCarets(comp, loose) { - return comp.trim().split(/\s+/).map(function(comp) { - return replaceCaret(comp, loose); - }).join(' '); -} - -function replaceCaret(comp, loose) { - debug('caret', comp, loose); - var r = loose ? re[CARETLOOSE] : re[CARET]; - return comp.replace(r, function(_, M, m, p, pr) { - debug('caret', comp, _, M, m, p, pr); - var ret; - - if (isX(M)) - ret = ''; - else if (isX(m)) - ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'; - else if (isX(p)) { - if (M === '0') - ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'; - else - ret = '>=' + M + '.' + m + '.0 <' + (+M + 1) + '.0.0'; - } else if (pr) { - debug('replaceCaret pr', pr); - if (pr.charAt(0) !== '-') - pr = '-' + pr; - if (M === '0') { - if (m === '0') - ret = '>=' + M + '.' + m + '.' + p + pr + - ' <' + M + '.' + m + '.' + (+p + 1); - else - ret = '>=' + M + '.' + m + '.' + p + pr + - ' <' + M + '.' + (+m + 1) + '.0'; - } else - ret = '>=' + M + '.' + m + '.' + p + pr + - ' <' + (+M + 1) + '.0.0'; - } else { - debug('no pr'); - if (M === '0') { - if (m === '0') - ret = '>=' + M + '.' + m + '.' + p + - ' <' + M + '.' + m + '.' + (+p + 1); - else - ret = '>=' + M + '.' + m + '.' + p + - ' <' + M + '.' + (+m + 1) + '.0'; - } else - ret = '>=' + M + '.' + m + '.' + p + - ' <' + (+M + 1) + '.0.0'; - } - - debug('caret return', ret); - return ret; - }); -} - -function replaceXRanges(comp, loose) { - debug('replaceXRanges', comp, loose); - return comp.split(/\s+/).map(function(comp) { - return replaceXRange(comp, loose); - }).join(' '); -} - -function replaceXRange(comp, loose) { - comp = comp.trim(); - var r = loose ? re[XRANGELOOSE] : re[XRANGE]; - return comp.replace(r, function(ret, gtlt, M, m, p, pr) { - debug('xRange', comp, ret, gtlt, M, m, p, pr); - var xM = isX(M); - var xm = xM || isX(m); - var xp = xm || isX(p); - var anyX = xp; - - if (gtlt === '=' && anyX) - gtlt = ''; - - if (xM) { - if (gtlt === '>' || gtlt === '<') { - // nothing is allowed - ret = '<0.0.0'; - } else { - // nothing is forbidden - ret = '*'; - } - } else if (gtlt && anyX) { - // replace X with 0 - if (xm) - m = 0; - if (xp) - p = 0; - - if (gtlt === '>') { - // >1 => >=2.0.0 - // >1.2 => >=1.3.0 - // >1.2.3 => >= 1.2.4 - gtlt = '>='; - if (xm) { - M = +M + 1; - m = 0; - p = 0; - } else if (xp) { - m = +m + 1; - p = 0; - } - } else if (gtlt === '<=') { - // <=0.7.x is actually <0.8.0, since any 0.7.x should - // pass. Similarly, <=7.x is actually <8.0.0, etc. - gtlt = '<'; - if (xm) - M = +M + 1; - else - m = +m + 1; - } - - ret = gtlt + M + '.' + m + '.' + p; - } else if (xm) { - ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'; - } else if (xp) { - ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'; - } - - debug('xRange return', ret); - - return ret; - }); -} - -// Because * is AND-ed with everything else in the comparator, -// and '' means "any version", just remove the *s entirely. -function replaceStars(comp, loose) { - debug('replaceStars', comp, loose); - // Looseness is ignored here. star is always as loose as it gets! - return comp.trim().replace(re[STAR], ''); -} - -// This function is passed to string.replace(re[HYPHENRANGE]) -// M, m, patch, prerelease, build -// 1.2 - 3.4.5 => >=1.2.0 <=3.4.5 -// 1.2.3 - 3.4 => >=1.2.0 <3.5.0 Any 3.4.x will do -// 1.2 - 3.4 => >=1.2.0 <3.5.0 -function hyphenReplace($0, - from, fM, fm, fp, fpr, fb, - to, tM, tm, tp, tpr, tb) { - - if (isX(fM)) - from = ''; - else if (isX(fm)) - from = '>=' + fM + '.0.0'; - else if (isX(fp)) - from = '>=' + fM + '.' + fm + '.0'; - else - from = '>=' + from; - - if (isX(tM)) - to = ''; - else if (isX(tm)) - to = '<' + (+tM + 1) + '.0.0'; - else if (isX(tp)) - to = '<' + tM + '.' + (+tm + 1) + '.0'; - else if (tpr) - to = '<=' + tM + '.' + tm + '.' + tp + '-' + tpr; - else - to = '<=' + to; - - return (from + ' ' + to).trim(); -} - - -// if ANY of the sets match ALL of its comparators, then pass -Range.prototype.test = function(version) { - if (!version) - return false; - - if (typeof version === 'string') - version = new SemVer(version, this.loose); - - for (var i = 0; i < this.set.length; i++) { - if (testSet(this.set[i], version)) - return true; - } - return false; -}; - -function testSet(set, version) { - for (var i = 0; i < set.length; i++) { - if (!set[i].test(version)) - return false; - } - - if (version.prerelease.length) { - // Find the set of versions that are allowed to have prereleases - // For example, ^1.2.3-pr.1 desugars to >=1.2.3-pr.1 <2.0.0 - // That should allow `1.2.3-pr.2` to pass. - // However, `1.2.4-alpha.notready` should NOT be allowed, - // even though it's within the range set by the comparators. - for (var i = 0; i < set.length; i++) { - debug(set[i].semver); - if (set[i].semver === ANY) - continue; - - if (set[i].semver.prerelease.length > 0) { - var allowed = set[i].semver; - if (allowed.major === version.major && - allowed.minor === version.minor && - allowed.patch === version.patch) - return true; - } - } - - // Version has a -pre, but it's not one of the ones we like. - return false; - } - - return true; -} - -exports.satisfies = satisfies; -function satisfies(version, range, loose) { - try { - range = new Range(range, loose); - } catch (er) { - return false; - } - return range.test(version); -} - -exports.maxSatisfying = maxSatisfying; -function maxSatisfying(versions, range, loose) { - return versions.filter(function(version) { - return satisfies(version, range, loose); - }).sort(function(a, b) { - return rcompare(a, b, loose); - })[0] || null; -} - -exports.minSatisfying = minSatisfying; -function minSatisfying(versions, range, loose) { - return versions.filter(function(version) { - return satisfies(version, range, loose); - }).sort(function(a, b) { - return compare(a, b, loose); - })[0] || null; -} - -exports.validRange = validRange; -function validRange(range, loose) { - try { - // Return '*' instead of '' so that truthiness works. - // This will throw if it's invalid anyway - return new Range(range, loose).range || '*'; - } catch (er) { - return null; - } -} - -// Determine if version is less than all the versions possible in the range -exports.ltr = ltr; -function ltr(version, range, loose) { - return outside(version, range, '<', loose); -} - -// Determine if version is greater than all the versions possible in the range. -exports.gtr = gtr; -function gtr(version, range, loose) { - return outside(version, range, '>', loose); -} - -exports.outside = outside; -function outside(version, range, hilo, loose) { - version = new SemVer(version, loose); - range = new Range(range, loose); - - var gtfn, ltefn, ltfn, comp, ecomp; - switch (hilo) { - case '>': - gtfn = gt; - ltefn = lte; - ltfn = lt; - comp = '>'; - ecomp = '>='; - break; - case '<': - gtfn = lt; - ltefn = gte; - ltfn = gt; - comp = '<'; - ecomp = '<='; - break; - default: - throw new TypeError('Must provide a hilo val of "<" or ">"'); - } - - // If it satisifes the range it is not outside - if (satisfies(version, range, loose)) { - return false; - } - - // From now on, variable terms are as if we're in "gtr" mode. - // but note that everything is flipped for the "ltr" function. - - for (var i = 0; i < range.set.length; ++i) { - var comparators = range.set[i]; - - var high = null; - var low = null; - - comparators.forEach(function(comparator) { - if (comparator.semver === ANY) { - comparator = new Comparator('>=0.0.0') - } - high = high || comparator; - low = low || comparator; - if (gtfn(comparator.semver, high.semver, loose)) { - high = comparator; - } else if (ltfn(comparator.semver, low.semver, loose)) { - low = comparator; - } - }); - - // If the edge version comparator has a operator then our version - // isn't outside it - if (high.operator === comp || high.operator === ecomp) { - return false; - } - - // If the lowest version comparator has an operator and our version - // is less than it then it isn't higher than the range - if ((!low.operator || low.operator === comp) && - ltefn(version, low.semver)) { - return false; - } else if (low.operator === ecomp && ltfn(version, low.semver)) { - return false; - } - } - return true; -} - -exports.prerelease = prerelease; -function prerelease(version, loose) { - var parsed = parse(version, loose); - return (parsed && parsed.prerelease.length) ? parsed.prerelease : null; -} diff --git a/deps/npm/node_modules/node-gyp/package.json b/deps/npm/node_modules/node-gyp/package.json index a5a39e3f2ba925..afa45f3969095a 100644 --- a/deps/npm/node_modules/node-gyp/package.json +++ b/deps/npm/node_modules/node-gyp/package.json @@ -1,63 +1,61 @@ { - "_from": "node-gyp@5.0.5", - "_id": "node-gyp@5.0.5", + "_from": "node-gyp@5.0.7", + "_id": "node-gyp@5.0.7", "_inBundle": false, - "_integrity": "sha512-WABl9s4/mqQdZneZHVWVG4TVr6QQJZUC6PAx47ITSk9lreZ1n+7Z9mMAIbA3vnO4J9W20P7LhCxtzfWsAD/KDw==", + "_integrity": "sha512-K8aByl8OJD51V0VbUURTKsmdswkQQusIvlvmTyhHlIT1hBvaSxzdxpSle857XuXa7uc02UEZx9OR5aDxSWS5Qw==", "_location": "/node-gyp", - "_phantomChildren": { - "abbrev": "1.1.1" - }, + "_phantomChildren": {}, "_requested": { "type": "version", "registry": true, - "raw": "node-gyp@5.0.5", + "raw": "node-gyp@5.0.7", "name": "node-gyp", "escapedName": "node-gyp", - "rawSpec": "5.0.5", + "rawSpec": "5.0.7", "saveSpec": null, - "fetchSpec": "5.0.5" + "fetchSpec": "5.0.7" }, "_requiredBy": [ "#USER", "/", "/npm-lifecycle" ], - "_resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-5.0.5.tgz", - "_shasum": "f6cf1da246eb8c42b097d7cd4d6c3ce23a4163af", - "_spec": "node-gyp@5.0.5", - "_where": "/Users/isaacs/dev/npm/cli", + "_resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-5.0.7.tgz", + "_shasum": "dd4225e735e840cf2870e4037c2ed9c28a31719e", + "_spec": "node-gyp@5.0.7", + "_where": "/Users/mperrotte/npminc/cli", "author": { "name": "Nathan Rajlich", "email": "nathan@tootallnate.net", "url": "http://tootallnate.net" }, "bin": { - "node-gyp": "./bin/node-gyp.js" + "node-gyp": "bin/node-gyp.js" }, "bugs": { "url": "https://github.com/nodejs/node-gyp/issues" }, "bundleDependencies": false, "dependencies": { - "env-paths": "^1.0.0", - "glob": "^7.0.3", - "graceful-fs": "^4.1.2", - "mkdirp": "^0.5.0", - "nopt": "2 || 3", - "npmlog": "0 || 1 || 2 || 3 || 4", - "request": "^2.87.0", - "rimraf": "2", - "semver": "~5.3.0", + "env-paths": "^2.2.0", + "glob": "^7.1.4", + "graceful-fs": "^4.2.2", + "mkdirp": "^0.5.1", + "nopt": "^4.0.1", + "npmlog": "^4.1.2", + "request": "^2.88.0", + "rimraf": "^2.6.3", + "semver": "^5.7.1", "tar": "^4.4.12", - "which": "1" + "which": "^1.3.1" }, "deprecated": false, "description": "Node.js native addon build tool", "devDependencies": { - "bindings": "~1.2.1", - "nan": "^2.0.0", - "require-inject": "~1.3.0", - "standard": "~14.3.1", + "bindings": "^1.5.0", + "nan": "^2.14.0", + "require-inject": "^1.4.4", + "standard": "^14.3.1", "tap": "~12.7.0" }, "engines": { @@ -86,5 +84,5 @@ "lint": "standard */*.js test/**/*.js", "test": "npm run lint && tap --timeout=120 test/test-*" }, - "version": "5.0.5" + "version": "5.0.7" } diff --git a/deps/npm/node_modules/node-gyp/test/common.js b/deps/npm/node_modules/node-gyp/test/common.js new file mode 100644 index 00000000000000..b714ee29029d36 --- /dev/null +++ b/deps/npm/node_modules/node-gyp/test/common.js @@ -0,0 +1,3 @@ +const envPaths = require('env-paths') + +module.exports.devDir = () => envPaths('node-gyp', { suffix: '' }).cache diff --git a/deps/npm/node_modules/node-gyp/test/test-configure-python.js b/deps/npm/node_modules/node-gyp/test/test-configure-python.js index 518bf036d0ecb3..d08f9e5ed38efd 100644 --- a/deps/npm/node_modules/node-gyp/test/test-configure-python.js +++ b/deps/npm/node_modules/node-gyp/test/test-configure-python.js @@ -2,6 +2,7 @@ const test = require('tap').test const path = require('path') +const devDir = require('./common').devDir() const gyp = require('../lib/node-gyp') const requireInject = require('require-inject') const configure = requireInject('../lib/configure', { @@ -30,6 +31,7 @@ test('configure PYTHONPATH with no existing env', function (t) { t.equal(process.env.PYTHONPATH, EXPECTED_PYPATH) return SPAWN_RESULT } + prog.devDir = devDir configure(prog, [], t.fail) }) @@ -49,6 +51,7 @@ test('configure PYTHONPATH with existing env of one dir', function (t) { return SPAWN_RESULT } + prog.devDir = devDir configure(prog, [], t.fail) }) @@ -70,5 +73,6 @@ test('configure PYTHONPATH with existing env of multiple dirs', function (t) { return SPAWN_RESULT } + prog.devDir = devDir configure(prog, [], t.fail) }) diff --git a/deps/npm/node_modules/node-gyp/test/test-download.js b/deps/npm/node_modules/node-gyp/test/test-download.js index dbffb20246267b..738a43f276b093 100644 --- a/deps/npm/node_modules/node-gyp/test/test-download.js +++ b/deps/npm/node_modules/node-gyp/test/test-download.js @@ -6,8 +6,13 @@ const path = require('path') const http = require('http') const https = require('https') const install = require('../lib/install') +const semver = require('semver') +const devDir = require('./common').devDir() +const rimraf = require('rimraf') +const gyp = require('../lib/node-gyp') +const log = require('npmlog') -require('npmlog').level = 'warn' +log.level = 'warn' test('download over http', function (t) { t.plan(2) @@ -103,3 +108,66 @@ test('check certificate splitting', function (t) { t.strictEqual(cas.length, 2) t.notStrictEqual(cas[0], cas[1]) }) + +// only run this test if we are running a version of Node with predictable version path behavior + +test('download headers (actual)', function (t) { + if (process.env.FAST_TEST || + process.release.name !== 'node' || + semver.prerelease(process.version) !== null || + semver.satisfies(process.version, '<10')) { + return t.skip('Skipping acutal download of headers due to test environment configuration') + } + + t.plan(17) + + const expectedDir = path.join(devDir, process.version.replace(/^v/, '')) + rimraf(expectedDir, (err) => { + t.ifError(err) + + const prog = gyp() + prog.parseArgv([]) + prog.devDir = devDir + log.level = 'warn' + install(prog, [], (err) => { + t.ifError(err) + + fs.readFile(path.join(expectedDir, 'installVersion'), 'utf8', (err, data) => { + t.ifError(err) + t.strictEqual(data, '9\n', 'correct installVersion') + }) + + fs.readdir(path.join(expectedDir, 'include/node'), (err, list) => { + t.ifError(err) + + t.ok(list.includes('common.gypi')) + t.ok(list.includes('config.gypi')) + t.ok(list.includes('node.h')) + t.ok(list.includes('node_version.h')) + t.ok(list.includes('openssl')) + t.ok(list.includes('uv')) + t.ok(list.includes('uv.h')) + t.ok(list.includes('v8-platform.h')) + t.ok(list.includes('v8.h')) + t.ok(list.includes('zlib.h')) + }) + + fs.readFile(path.join(expectedDir, 'include/node/node_version.h'), 'utf8', (err, contents) => { + t.ifError(err) + + const lines = contents.split('\n') + + // extract the 3 version parts from the defines to build a valid version string and + // and check them against our current env version + const version = ['major', 'minor', 'patch'].reduce((version, type) => { + const re = new RegExp(`^#define\\sNODE_${type.toUpperCase()}_VERSION`) + const line = lines.find((l) => re.test(l)) + const i = line ? parseInt(line.replace(/^[^0-9]+([0-9]+).*$/, '$1'), 10) : 'ERROR' + return `${version}${type !== 'major' ? '.' : 'v'}${i}` + }, '') + + t.strictEqual(version, process.version) + }) + }) + }) +}) diff --git a/deps/npm/node_modules/os-locale/index.js b/deps/npm/node_modules/os-locale/index.js index 1ada7a4949c7c6..8c73c99f20e2f1 100644 --- a/deps/npm/node_modules/os-locale/index.js +++ b/deps/npm/node_modules/os-locale/index.js @@ -3,33 +3,51 @@ const execa = require('execa'); const lcid = require('lcid'); const mem = require('mem'); -const defaultOpts = {spawn: true}; +const defaultOptions = {spawn: true}; const defaultLocale = 'en_US'; -function getEnvLocale(env) { - env = env || process.env; +function getEnvLocale(env = process.env) { return env.LC_ALL || env.LC_MESSAGES || env.LANG || env.LANGUAGE; } -function parseLocale(x) { - const env = x.split('\n').reduce((env, def) => { - def = def.split('='); - env[def[0]] = def[1].replace(/^"|"$/g, ''); +function parseLocale(string) { + const env = string.split('\n').reduce((env, def) => { + const [key, value] = def.split('='); + env[key] = value.replace(/^"|"$/g, ''); return env; }, {}); + return getEnvLocale(env); } -function getLocale(str) { - return (str && str.replace(/[.:].*/, '')); +function getLocale(string) { + return (string && string.replace(/[.:].*/, '')); +} + +function getLocales() { + return execa.stdout('locale', ['-a']); +} + +function getLocalesSync() { + return execa.sync('locale', ['-a']).stdout; +} + +function getSupportedLocale(locale, locales = '') { + return locales.includes(locale) ? locale : defaultLocale; } function getAppleLocale() { - return execa.stdout('defaults', ['read', '-g', 'AppleLocale']); + return Promise.all([ + execa.stdout('defaults', ['read', '-globalDomain', 'AppleLocale']), + getLocales() + ]).then(results => getSupportedLocale(results[0], results[1])); } function getAppleLocaleSync() { - return execa.sync('defaults', ['read', '-g', 'AppleLocale']).stdout; + return getSupportedLocale( + execa.sync('defaults', ['read', '-globalDomain', 'AppleLocale']).stdout, + getLocalesSync() + ); } function getUnixLocale() { @@ -58,17 +76,16 @@ function getWinLocale() { } function getWinLocaleSync() { - const stdout = execa.sync('wmic', ['os', 'get', 'locale']).stdout; + const {stdout} = execa.sync('wmic', ['os', 'get', 'locale']); const lcidCode = parseInt(stdout.replace('Locale', ''), 16); return lcid.from(lcidCode); } -module.exports = mem(opts => { - opts = opts || defaultOpts; +module.exports = mem((options = defaultOptions) => { const envLocale = getEnvLocale(); - let thenable; - if (envLocale || opts.spawn === false) { + let thenable; + if (envLocale || options.spawn === false) { thenable = Promise.resolve(getLocale(envLocale)); } else if (process.platform === 'win32') { thenable = getWinLocale(); @@ -76,25 +93,21 @@ module.exports = mem(opts => { thenable = getUnixLocale(); } - return thenable.then(locale => locale || defaultLocale) + return thenable + .then(locale => locale || defaultLocale) .catch(() => defaultLocale); }); -module.exports.sync = mem(opts => { - opts = opts || defaultOpts; +module.exports.sync = mem((options = defaultOptions) => { const envLocale = getEnvLocale(); - let res; - if (envLocale || opts.spawn === false) { + let res; + if (envLocale || options.spawn === false) { res = getLocale(envLocale); } else { try { - if (process.platform === 'win32') { - res = getWinLocaleSync(); - } else { - res = getUnixLocaleSync(); - } - } catch (err) {} + res = process.platform === 'win32' ? getWinLocaleSync() : getUnixLocaleSync(); + } catch (_) {} } return res || defaultLocale; diff --git a/deps/npm/node_modules/os-locale/license b/deps/npm/node_modules/os-locale/license index 654d0bfe943437..e7af2f77107d73 100644 --- a/deps/npm/node_modules/os-locale/license +++ b/deps/npm/node_modules/os-locale/license @@ -1,21 +1,9 @@ -The MIT License (MIT) +MIT License Copyright (c) Sindre Sorhus (sindresorhus.com) -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/deps/npm/node_modules/os-locale/node_modules/cross-spawn/CHANGELOG.md b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/CHANGELOG.md new file mode 100644 index 00000000000000..ded9620b18d252 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/CHANGELOG.md @@ -0,0 +1,100 @@ +# Change Log + +All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines. + + +## [6.0.5](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.4...v6.0.5) (2018-03-02) + + +### Bug Fixes + +* avoid using deprecated Buffer constructor ([#94](https://github.com/moxystudio/node-cross-spawn/issues/94)) ([d5770df](https://github.com/moxystudio/node-cross-spawn/commit/d5770df)), closes [/nodejs.org/api/deprecations.html#deprecations_dep0005](https://github.com//nodejs.org/api/deprecations.html/issues/deprecations_dep0005) + + + + +## [6.0.4](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.3...v6.0.4) (2018-01-31) + + +### Bug Fixes + +* fix paths being incorrectly normalized on unix ([06ee3c6](https://github.com/moxystudio/node-cross-spawn/commit/06ee3c6)), closes [#90](https://github.com/moxystudio/node-cross-spawn/issues/90) + + + + +## [6.0.3](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.2...v6.0.3) (2018-01-23) + + + + +## [6.0.2](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.1...v6.0.2) (2018-01-23) + + + + +## [6.0.1](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.0...v6.0.1) (2018-01-23) + + + + +# [6.0.0](https://github.com/moxystudio/node-cross-spawn/compare/5.1.0...6.0.0) (2018-01-23) + + +### Bug Fixes + +* fix certain arguments not being correctly escaped or causing batch syntax error ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10)), closes [#82](https://github.com/moxystudio/node-cross-spawn/issues/82) [#51](https://github.com/moxystudio/node-cross-spawn/issues/51) +* fix commands as posix relatixe paths not working correctly, e.g.: `./my-command` ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10)) +* fix `options` argument being mutated ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10)) +* fix commands resolution when PATH was actually Path ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10)) + + +### Features + +* improve compliance with node's ENOENT errors ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10)) +* improve detection of node's shell option support ([900cf10](https://github.com/moxystudio/node-cross-spawn/commit/900cf10)) + + +### Chores + +* upgrade tooling +* upgrate project to es6 (node v4) + + +### BREAKING CHANGES + +* remove support for older nodejs versions, only `node >= 4` is supported + + + +## [5.1.0](https://github.com/moxystudio/node-cross-spawn/compare/5.0.1...5.1.0) (2017-02-26) + + +### Bug Fixes + +* fix `options.shell` support for NodeJS [v4.8](https://github.com/nodejs/node/blob/master/doc/changelogs/CHANGELOG_V4.md#4.8.0) + + + +## [5.0.1](https://github.com/moxystudio/node-cross-spawn/compare/5.0.0...5.0.1) (2016-11-04) + + +### Bug Fixes + +* fix `options.shell` support for NodeJS v7 + + + +# [5.0.0](https://github.com/moxystudio/node-cross-spawn/compare/4.0.2...5.0.0) (2016-10-30) + + +## Features + +* add support for `options.shell` +* improve parsing of shebangs by using [`shebang-command`](https://github.com/kevva/shebang-command) module + + +## Chores + +* refactor some code to make it more clear +* update README caveats diff --git a/deps/npm/node_modules/os-locale/node_modules/cross-spawn/LICENSE b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/LICENSE new file mode 100644 index 00000000000000..8407b9a30f51b0 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2018 Made With MOXY Lda + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/deps/npm/node_modules/os-locale/node_modules/cross-spawn/README.md b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/README.md new file mode 100644 index 00000000000000..72c718c9d5bec2 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/README.md @@ -0,0 +1,94 @@ +# cross-spawn + +[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Build Status][travis-image]][travis-url] [![Build status][appveyor-image]][appveyor-url] [![Coverage Status][codecov-image]][codecov-url] [![Dependency status][david-dm-image]][david-dm-url] [![Dev Dependency status][david-dm-dev-image]][david-dm-dev-url] [![Greenkeeper badge][greenkeeper-image]][greenkeeper-url] + +[npm-url]:https://npmjs.org/package/cross-spawn +[downloads-image]:http://img.shields.io/npm/dm/cross-spawn.svg +[npm-image]:http://img.shields.io/npm/v/cross-spawn.svg +[travis-url]:https://travis-ci.org/moxystudio/node-cross-spawn +[travis-image]:http://img.shields.io/travis/moxystudio/node-cross-spawn/master.svg +[appveyor-url]:https://ci.appveyor.com/project/satazor/node-cross-spawn +[appveyor-image]:https://img.shields.io/appveyor/ci/satazor/node-cross-spawn/master.svg +[codecov-url]:https://codecov.io/gh/moxystudio/node-cross-spawn +[codecov-image]:https://img.shields.io/codecov/c/github/moxystudio/node-cross-spawn/master.svg +[david-dm-url]:https://david-dm.org/moxystudio/node-cross-spawn +[david-dm-image]:https://img.shields.io/david/moxystudio/node-cross-spawn.svg +[david-dm-dev-url]:https://david-dm.org/moxystudio/node-cross-spawn?type=dev +[david-dm-dev-image]:https://img.shields.io/david/dev/moxystudio/node-cross-spawn.svg +[greenkeeper-image]:https://badges.greenkeeper.io/moxystudio/node-cross-spawn.svg +[greenkeeper-url]:https://greenkeeper.io/ + +A cross platform solution to node's spawn and spawnSync. + + +## Installation + +`$ npm install cross-spawn` + + +## Why + +Node has issues when using spawn on Windows: + +- It ignores [PATHEXT](https://github.com/joyent/node/issues/2318) +- It does not support [shebangs](https://en.wikipedia.org/wiki/Shebang_(Unix)) +- Has problems running commands with [spaces](https://github.com/nodejs/node/issues/7367) +- Has problems running commands with posix relative paths (e.g.: `./my-folder/my-executable`) +- Has an [issue](https://github.com/moxystudio/node-cross-spawn/issues/82) with command shims (files in `node_modules/.bin/`), where arguments with quotes and parenthesis would result in [invalid syntax error](https://github.com/moxystudio/node-cross-spawn/blob/e77b8f22a416db46b6196767bcd35601d7e11d54/test/index.test.js#L149) +- No `options.shell` support on node `` where `` must not contain any arguments. +If you would like to have the shebang support improved, feel free to contribute via a pull-request. + +Remember to always test your code on Windows! + + +## Tests + +`$ npm test` +`$ npm test -- --watch` during development + +## License + +Released under the [MIT License](http://www.opensource.org/licenses/mit-license.php). diff --git a/deps/npm/node_modules/os-locale/node_modules/cross-spawn/index.js b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/index.js new file mode 100644 index 00000000000000..5509742ca9fa8f --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/index.js @@ -0,0 +1,39 @@ +'use strict'; + +const cp = require('child_process'); +const parse = require('./lib/parse'); +const enoent = require('./lib/enoent'); + +function spawn(command, args, options) { + // Parse the arguments + const parsed = parse(command, args, options); + + // Spawn the child process + const spawned = cp.spawn(parsed.command, parsed.args, parsed.options); + + // Hook into child process "exit" event to emit an error if the command + // does not exists, see: https://github.com/IndigoUnited/node-cross-spawn/issues/16 + enoent.hookChildProcess(spawned, parsed); + + return spawned; +} + +function spawnSync(command, args, options) { + // Parse the arguments + const parsed = parse(command, args, options); + + // Spawn the child process + const result = cp.spawnSync(parsed.command, parsed.args, parsed.options); + + // Analyze if the command does not exist, see: https://github.com/IndigoUnited/node-cross-spawn/issues/16 + result.error = result.error || enoent.verifyENOENTSync(result.status, parsed); + + return result; +} + +module.exports = spawn; +module.exports.spawn = spawn; +module.exports.sync = spawnSync; + +module.exports._parse = parse; +module.exports._enoent = enoent; diff --git a/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/enoent.js b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/enoent.js new file mode 100644 index 00000000000000..14df9b623d0a20 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/enoent.js @@ -0,0 +1,59 @@ +'use strict'; + +const isWin = process.platform === 'win32'; + +function notFoundError(original, syscall) { + return Object.assign(new Error(`${syscall} ${original.command} ENOENT`), { + code: 'ENOENT', + errno: 'ENOENT', + syscall: `${syscall} ${original.command}`, + path: original.command, + spawnargs: original.args, + }); +} + +function hookChildProcess(cp, parsed) { + if (!isWin) { + return; + } + + const originalEmit = cp.emit; + + cp.emit = function (name, arg1) { + // If emitting "exit" event and exit code is 1, we need to check if + // the command exists and emit an "error" instead + // See https://github.com/IndigoUnited/node-cross-spawn/issues/16 + if (name === 'exit') { + const err = verifyENOENT(arg1, parsed, 'spawn'); + + if (err) { + return originalEmit.call(cp, 'error', err); + } + } + + return originalEmit.apply(cp, arguments); // eslint-disable-line prefer-rest-params + }; +} + +function verifyENOENT(status, parsed) { + if (isWin && status === 1 && !parsed.file) { + return notFoundError(parsed.original, 'spawn'); + } + + return null; +} + +function verifyENOENTSync(status, parsed) { + if (isWin && status === 1 && !parsed.file) { + return notFoundError(parsed.original, 'spawnSync'); + } + + return null; +} + +module.exports = { + hookChildProcess, + verifyENOENT, + verifyENOENTSync, + notFoundError, +}; diff --git a/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/parse.js b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/parse.js new file mode 100644 index 00000000000000..962827a94e8c07 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/parse.js @@ -0,0 +1,125 @@ +'use strict'; + +const path = require('path'); +const niceTry = require('nice-try'); +const resolveCommand = require('./util/resolveCommand'); +const escape = require('./util/escape'); +const readShebang = require('./util/readShebang'); +const semver = require('semver'); + +const isWin = process.platform === 'win32'; +const isExecutableRegExp = /\.(?:com|exe)$/i; +const isCmdShimRegExp = /node_modules[\\/].bin[\\/][^\\/]+\.cmd$/i; + +// `options.shell` is supported in Node ^4.8.0, ^5.7.0 and >= 6.0.0 +const supportsShellOption = niceTry(() => semver.satisfies(process.version, '^4.8.0 || ^5.7.0 || >= 6.0.0', true)) || false; + +function detectShebang(parsed) { + parsed.file = resolveCommand(parsed); + + const shebang = parsed.file && readShebang(parsed.file); + + if (shebang) { + parsed.args.unshift(parsed.file); + parsed.command = shebang; + + return resolveCommand(parsed); + } + + return parsed.file; +} + +function parseNonShell(parsed) { + if (!isWin) { + return parsed; + } + + // Detect & add support for shebangs + const commandFile = detectShebang(parsed); + + // We don't need a shell if the command filename is an executable + const needsShell = !isExecutableRegExp.test(commandFile); + + // If a shell is required, use cmd.exe and take care of escaping everything correctly + // Note that `forceShell` is an hidden option used only in tests + if (parsed.options.forceShell || needsShell) { + // Need to double escape meta chars if the command is a cmd-shim located in `node_modules/.bin/` + // The cmd-shim simply calls execute the package bin file with NodeJS, proxying any argument + // Because the escape of metachars with ^ gets interpreted when the cmd.exe is first called, + // we need to double escape them + const needsDoubleEscapeMetaChars = isCmdShimRegExp.test(commandFile); + + // Normalize posix paths into OS compatible paths (e.g.: foo/bar -> foo\bar) + // This is necessary otherwise it will always fail with ENOENT in those cases + parsed.command = path.normalize(parsed.command); + + // Escape command & arguments + parsed.command = escape.command(parsed.command); + parsed.args = parsed.args.map((arg) => escape.argument(arg, needsDoubleEscapeMetaChars)); + + const shellCommand = [parsed.command].concat(parsed.args).join(' '); + + parsed.args = ['/d', '/s', '/c', `"${shellCommand}"`]; + parsed.command = process.env.comspec || 'cmd.exe'; + parsed.options.windowsVerbatimArguments = true; // Tell node's spawn that the arguments are already escaped + } + + return parsed; +} + +function parseShell(parsed) { + // If node supports the shell option, there's no need to mimic its behavior + if (supportsShellOption) { + return parsed; + } + + // Mimic node shell option + // See https://github.com/nodejs/node/blob/b9f6a2dc059a1062776133f3d4fd848c4da7d150/lib/child_process.js#L335 + const shellCommand = [parsed.command].concat(parsed.args).join(' '); + + if (isWin) { + parsed.command = typeof parsed.options.shell === 'string' ? parsed.options.shell : process.env.comspec || 'cmd.exe'; + parsed.args = ['/d', '/s', '/c', `"${shellCommand}"`]; + parsed.options.windowsVerbatimArguments = true; // Tell node's spawn that the arguments are already escaped + } else { + if (typeof parsed.options.shell === 'string') { + parsed.command = parsed.options.shell; + } else if (process.platform === 'android') { + parsed.command = '/system/bin/sh'; + } else { + parsed.command = '/bin/sh'; + } + + parsed.args = ['-c', shellCommand]; + } + + return parsed; +} + +function parse(command, args, options) { + // Normalize arguments, similar to nodejs + if (args && !Array.isArray(args)) { + options = args; + args = null; + } + + args = args ? args.slice(0) : []; // Clone array to avoid changing the original + options = Object.assign({}, options); // Clone object to avoid changing the original + + // Build our parsed object + const parsed = { + command, + args, + options, + file: undefined, + original: { + command, + args, + }, + }; + + // Delegate further parsing to shell or non-shell + return options.shell ? parseShell(parsed) : parseNonShell(parsed); +} + +module.exports = parse; diff --git a/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/util/escape.js b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/util/escape.js new file mode 100644 index 00000000000000..b0bb84c3a14092 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/util/escape.js @@ -0,0 +1,45 @@ +'use strict'; + +// See http://www.robvanderwoude.com/escapechars.php +const metaCharsRegExp = /([()\][%!^"`<>&|;, *?])/g; + +function escapeCommand(arg) { + // Escape meta chars + arg = arg.replace(metaCharsRegExp, '^$1'); + + return arg; +} + +function escapeArgument(arg, doubleEscapeMetaChars) { + // Convert to string + arg = `${arg}`; + + // Algorithm below is based on https://qntm.org/cmd + + // Sequence of backslashes followed by a double quote: + // double up all the backslashes and escape the double quote + arg = arg.replace(/(\\*)"/g, '$1$1\\"'); + + // Sequence of backslashes followed by the end of the string + // (which will become a double quote later): + // double up all the backslashes + arg = arg.replace(/(\\*)$/, '$1$1'); + + // All other backslashes occur literally + + // Quote the whole thing: + arg = `"${arg}"`; + + // Escape meta chars + arg = arg.replace(metaCharsRegExp, '^$1'); + + // Double escape meta chars if necessary + if (doubleEscapeMetaChars) { + arg = arg.replace(metaCharsRegExp, '^$1'); + } + + return arg; +} + +module.exports.command = escapeCommand; +module.exports.argument = escapeArgument; diff --git a/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/util/readShebang.js b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/util/readShebang.js new file mode 100644 index 00000000000000..bd4f1280c9cadb --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/util/readShebang.js @@ -0,0 +1,32 @@ +'use strict'; + +const fs = require('fs'); +const shebangCommand = require('shebang-command'); + +function readShebang(command) { + // Read the first 150 bytes from the file + const size = 150; + let buffer; + + if (Buffer.alloc) { + // Node.js v4.5+ / v5.10+ + buffer = Buffer.alloc(size); + } else { + // Old Node.js API + buffer = new Buffer(size); + buffer.fill(0); // zero-fill + } + + let fd; + + try { + fd = fs.openSync(command, 'r'); + fs.readSync(fd, buffer, 0, size, 0); + fs.closeSync(fd); + } catch (e) { /* Empty */ } + + // Attempt to extract shebang (null is returned if not a shebang) + return shebangCommand(buffer.toString()); +} + +module.exports = readShebang; diff --git a/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/util/resolveCommand.js b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/util/resolveCommand.js new file mode 100644 index 00000000000000..2fd5ad27056078 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/lib/util/resolveCommand.js @@ -0,0 +1,47 @@ +'use strict'; + +const path = require('path'); +const which = require('which'); +const pathKey = require('path-key')(); + +function resolveCommandAttempt(parsed, withoutPathExt) { + const cwd = process.cwd(); + const hasCustomCwd = parsed.options.cwd != null; + + // If a custom `cwd` was specified, we need to change the process cwd + // because `which` will do stat calls but does not support a custom cwd + if (hasCustomCwd) { + try { + process.chdir(parsed.options.cwd); + } catch (err) { + /* Empty */ + } + } + + let resolved; + + try { + resolved = which.sync(parsed.command, { + path: (parsed.options.env || process.env)[pathKey], + pathExt: withoutPathExt ? path.delimiter : undefined, + }); + } catch (e) { + /* Empty */ + } finally { + process.chdir(cwd); + } + + // If we successfully resolved, ensure that an absolute path is returned + // Note that when a custom `cwd` was used, we need to resolve to an absolute path based on it + if (resolved) { + resolved = path.resolve(hasCustomCwd ? parsed.options.cwd : '', resolved); + } + + return resolved; +} + +function resolveCommand(parsed) { + return resolveCommandAttempt(parsed) || resolveCommandAttempt(parsed, true); +} + +module.exports = resolveCommand; diff --git a/deps/npm/node_modules/os-locale/node_modules/cross-spawn/package.json b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/package.json new file mode 100644 index 00000000000000..3fdff9f498b270 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/cross-spawn/package.json @@ -0,0 +1,107 @@ +{ + "_from": "cross-spawn@^6.0.0", + "_id": "cross-spawn@6.0.5", + "_inBundle": false, + "_integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==", + "_location": "/os-locale/cross-spawn", + "_phantomChildren": {}, + "_requested": { + "type": "range", + "registry": true, + "raw": "cross-spawn@^6.0.0", + "name": "cross-spawn", + "escapedName": "cross-spawn", + "rawSpec": "^6.0.0", + "saveSpec": null, + "fetchSpec": "^6.0.0" + }, + "_requiredBy": [ + "/os-locale/execa" + ], + "_resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz", + "_shasum": "4a5ec7c64dfae22c3a14124dbacdee846d80cbc4", + "_spec": "cross-spawn@^6.0.0", + "_where": "/Users/mperrotte/npminc/cli/node_modules/os-locale/node_modules/execa", + "author": { + "name": "André Cruz", + "email": "andre@moxy.studio" + }, + "bugs": { + "url": "https://github.com/moxystudio/node-cross-spawn/issues" + }, + "bundleDependencies": false, + "commitlint": { + "extends": [ + "@commitlint/config-conventional" + ] + }, + "dependencies": { + "nice-try": "^1.0.4", + "path-key": "^2.0.1", + "semver": "^5.5.0", + "shebang-command": "^1.2.0", + "which": "^1.2.9" + }, + "deprecated": false, + "description": "Cross platform child_process#spawn and child_process#spawnSync", + "devDependencies": { + "@commitlint/cli": "^6.0.0", + "@commitlint/config-conventional": "^6.0.2", + "babel-core": "^6.26.0", + "babel-jest": "^22.1.0", + "babel-preset-moxy": "^2.2.1", + "eslint": "^4.3.0", + "eslint-config-moxy": "^5.0.0", + "husky": "^0.14.3", + "jest": "^22.0.0", + "lint-staged": "^7.0.0", + "mkdirp": "^0.5.1", + "regenerator-runtime": "^0.11.1", + "rimraf": "^2.6.2", + "standard-version": "^4.2.0" + }, + "engines": { + "node": ">=4.8" + }, + "files": [ + "lib" + ], + "homepage": "https://github.com/moxystudio/node-cross-spawn", + "keywords": [ + "spawn", + "spawnSync", + "windows", + "cross-platform", + "path-ext", + "shebang", + "cmd", + "execute" + ], + "license": "MIT", + "lint-staged": { + "*.js": [ + "eslint --fix", + "git add" + ] + }, + "main": "index.js", + "name": "cross-spawn", + "repository": { + "type": "git", + "url": "git+ssh://git@github.com/moxystudio/node-cross-spawn.git" + }, + "scripts": { + "commitmsg": "commitlint -e $GIT_PARAMS", + "lint": "eslint .", + "precommit": "lint-staged", + "prerelease": "npm t && npm run lint", + "release": "standard-version", + "test": "jest --env node --coverage" + }, + "standard-version": { + "scripts": { + "posttag": "git push --follow-tags origin master && npm publish" + } + }, + "version": "6.0.5" +} diff --git a/deps/npm/node_modules/os-locale/node_modules/execa/index.js b/deps/npm/node_modules/os-locale/node_modules/execa/index.js new file mode 100644 index 00000000000000..aad9ac88775cbc --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/execa/index.js @@ -0,0 +1,361 @@ +'use strict'; +const path = require('path'); +const childProcess = require('child_process'); +const crossSpawn = require('cross-spawn'); +const stripEof = require('strip-eof'); +const npmRunPath = require('npm-run-path'); +const isStream = require('is-stream'); +const _getStream = require('get-stream'); +const pFinally = require('p-finally'); +const onExit = require('signal-exit'); +const errname = require('./lib/errname'); +const stdio = require('./lib/stdio'); + +const TEN_MEGABYTES = 1000 * 1000 * 10; + +function handleArgs(cmd, args, opts) { + let parsed; + + opts = Object.assign({ + extendEnv: true, + env: {} + }, opts); + + if (opts.extendEnv) { + opts.env = Object.assign({}, process.env, opts.env); + } + + if (opts.__winShell === true) { + delete opts.__winShell; + parsed = { + command: cmd, + args, + options: opts, + file: cmd, + original: { + cmd, + args + } + }; + } else { + parsed = crossSpawn._parse(cmd, args, opts); + } + + opts = Object.assign({ + maxBuffer: TEN_MEGABYTES, + buffer: true, + stripEof: true, + preferLocal: true, + localDir: parsed.options.cwd || process.cwd(), + encoding: 'utf8', + reject: true, + cleanup: true + }, parsed.options); + + opts.stdio = stdio(opts); + + if (opts.preferLocal) { + opts.env = npmRunPath.env(Object.assign({}, opts, {cwd: opts.localDir})); + } + + if (opts.detached) { + // #115 + opts.cleanup = false; + } + + if (process.platform === 'win32' && path.basename(parsed.command) === 'cmd.exe') { + // #116 + parsed.args.unshift('/q'); + } + + return { + cmd: parsed.command, + args: parsed.args, + opts, + parsed + }; +} + +function handleInput(spawned, input) { + if (input === null || input === undefined) { + return; + } + + if (isStream(input)) { + input.pipe(spawned.stdin); + } else { + spawned.stdin.end(input); + } +} + +function handleOutput(opts, val) { + if (val && opts.stripEof) { + val = stripEof(val); + } + + return val; +} + +function handleShell(fn, cmd, opts) { + let file = '/bin/sh'; + let args = ['-c', cmd]; + + opts = Object.assign({}, opts); + + if (process.platform === 'win32') { + opts.__winShell = true; + file = process.env.comspec || 'cmd.exe'; + args = ['/s', '/c', `"${cmd}"`]; + opts.windowsVerbatimArguments = true; + } + + if (opts.shell) { + file = opts.shell; + delete opts.shell; + } + + return fn(file, args, opts); +} + +function getStream(process, stream, {encoding, buffer, maxBuffer}) { + if (!process[stream]) { + return null; + } + + let ret; + + if (!buffer) { + // TODO: Use `ret = util.promisify(stream.finished)(process[stream]);` when targeting Node.js 10 + ret = new Promise((resolve, reject) => { + process[stream] + .once('end', resolve) + .once('error', reject); + }); + } else if (encoding) { + ret = _getStream(process[stream], { + encoding, + maxBuffer + }); + } else { + ret = _getStream.buffer(process[stream], {maxBuffer}); + } + + return ret.catch(err => { + err.stream = stream; + err.message = `${stream} ${err.message}`; + throw err; + }); +} + +function makeError(result, options) { + const {stdout, stderr} = result; + + let err = result.error; + const {code, signal} = result; + + const {parsed, joinedCmd} = options; + const timedOut = options.timedOut || false; + + if (!err) { + let output = ''; + + if (Array.isArray(parsed.opts.stdio)) { + if (parsed.opts.stdio[2] !== 'inherit') { + output += output.length > 0 ? stderr : `\n${stderr}`; + } + + if (parsed.opts.stdio[1] !== 'inherit') { + output += `\n${stdout}`; + } + } else if (parsed.opts.stdio !== 'inherit') { + output = `\n${stderr}${stdout}`; + } + + err = new Error(`Command failed: ${joinedCmd}${output}`); + err.code = code < 0 ? errname(code) : code; + } + + err.stdout = stdout; + err.stderr = stderr; + err.failed = true; + err.signal = signal || null; + err.cmd = joinedCmd; + err.timedOut = timedOut; + + return err; +} + +function joinCmd(cmd, args) { + let joinedCmd = cmd; + + if (Array.isArray(args) && args.length > 0) { + joinedCmd += ' ' + args.join(' '); + } + + return joinedCmd; +} + +module.exports = (cmd, args, opts) => { + const parsed = handleArgs(cmd, args, opts); + const {encoding, buffer, maxBuffer} = parsed.opts; + const joinedCmd = joinCmd(cmd, args); + + let spawned; + try { + spawned = childProcess.spawn(parsed.cmd, parsed.args, parsed.opts); + } catch (err) { + return Promise.reject(err); + } + + let removeExitHandler; + if (parsed.opts.cleanup) { + removeExitHandler = onExit(() => { + spawned.kill(); + }); + } + + let timeoutId = null; + let timedOut = false; + + const cleanup = () => { + if (timeoutId) { + clearTimeout(timeoutId); + timeoutId = null; + } + + if (removeExitHandler) { + removeExitHandler(); + } + }; + + if (parsed.opts.timeout > 0) { + timeoutId = setTimeout(() => { + timeoutId = null; + timedOut = true; + spawned.kill(parsed.opts.killSignal); + }, parsed.opts.timeout); + } + + const processDone = new Promise(resolve => { + spawned.on('exit', (code, signal) => { + cleanup(); + resolve({code, signal}); + }); + + spawned.on('error', err => { + cleanup(); + resolve({error: err}); + }); + + if (spawned.stdin) { + spawned.stdin.on('error', err => { + cleanup(); + resolve({error: err}); + }); + } + }); + + function destroy() { + if (spawned.stdout) { + spawned.stdout.destroy(); + } + + if (spawned.stderr) { + spawned.stderr.destroy(); + } + } + + const handlePromise = () => pFinally(Promise.all([ + processDone, + getStream(spawned, 'stdout', {encoding, buffer, maxBuffer}), + getStream(spawned, 'stderr', {encoding, buffer, maxBuffer}) + ]).then(arr => { + const result = arr[0]; + result.stdout = arr[1]; + result.stderr = arr[2]; + + if (result.error || result.code !== 0 || result.signal !== null) { + const err = makeError(result, { + joinedCmd, + parsed, + timedOut + }); + + // TODO: missing some timeout logic for killed + // https://github.com/nodejs/node/blob/master/lib/child_process.js#L203 + // err.killed = spawned.killed || killed; + err.killed = err.killed || spawned.killed; + + if (!parsed.opts.reject) { + return err; + } + + throw err; + } + + return { + stdout: handleOutput(parsed.opts, result.stdout), + stderr: handleOutput(parsed.opts, result.stderr), + code: 0, + failed: false, + killed: false, + signal: null, + cmd: joinedCmd, + timedOut: false + }; + }), destroy); + + crossSpawn._enoent.hookChildProcess(spawned, parsed.parsed); + + handleInput(spawned, parsed.opts.input); + + spawned.then = (onfulfilled, onrejected) => handlePromise().then(onfulfilled, onrejected); + spawned.catch = onrejected => handlePromise().catch(onrejected); + + return spawned; +}; + +// TODO: set `stderr: 'ignore'` when that option is implemented +module.exports.stdout = (...args) => module.exports(...args).then(x => x.stdout); + +// TODO: set `stdout: 'ignore'` when that option is implemented +module.exports.stderr = (...args) => module.exports(...args).then(x => x.stderr); + +module.exports.shell = (cmd, opts) => handleShell(module.exports, cmd, opts); + +module.exports.sync = (cmd, args, opts) => { + const parsed = handleArgs(cmd, args, opts); + const joinedCmd = joinCmd(cmd, args); + + if (isStream(parsed.opts.input)) { + throw new TypeError('The `input` option cannot be a stream in sync mode'); + } + + const result = childProcess.spawnSync(parsed.cmd, parsed.args, parsed.opts); + result.code = result.status; + + if (result.error || result.status !== 0 || result.signal !== null) { + const err = makeError(result, { + joinedCmd, + parsed + }); + + if (!parsed.opts.reject) { + return err; + } + + throw err; + } + + return { + stdout: handleOutput(parsed.opts, result.stdout), + stderr: handleOutput(parsed.opts, result.stderr), + code: 0, + failed: false, + signal: null, + cmd: joinedCmd, + timedOut: false + }; +}; + +module.exports.shellSync = (cmd, opts) => handleShell(module.exports.sync, cmd, opts); diff --git a/deps/npm/node_modules/os-locale/node_modules/execa/lib/errname.js b/deps/npm/node_modules/os-locale/node_modules/execa/lib/errname.js new file mode 100644 index 00000000000000..a93a435dfc6663 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/execa/lib/errname.js @@ -0,0 +1,38 @@ +'use strict'; +// Older verions of Node.js might not have `util.getSystemErrorName()`. +// In that case, fall back to a deprecated internal. +const util = require('util'); + +let uv; + +if (typeof util.getSystemErrorName === 'function') { + module.exports = util.getSystemErrorName; +} else { + try { + uv = process.binding('uv'); + + if (typeof uv.errname !== 'function') { + throw new TypeError('uv.errname is not a function'); + } + } catch (err) { + console.error('execa/lib/errname: unable to establish process.binding(\'uv\')', err); + uv = null; + } + + module.exports = code => errname(uv, code); +} + +// Used for testing the fallback behavior +module.exports.__test__ = errname; + +function errname(uv, code) { + if (uv) { + return uv.errname(code); + } + + if (!(code < 0)) { + throw new Error('err >= 0'); + } + + return `Unknown system error ${code}`; +} diff --git a/deps/npm/node_modules/os-locale/node_modules/execa/lib/stdio.js b/deps/npm/node_modules/os-locale/node_modules/execa/lib/stdio.js new file mode 100644 index 00000000000000..a82d46838ac9b9 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/execa/lib/stdio.js @@ -0,0 +1,41 @@ +'use strict'; +const alias = ['stdin', 'stdout', 'stderr']; + +const hasAlias = opts => alias.some(x => Boolean(opts[x])); + +module.exports = opts => { + if (!opts) { + return null; + } + + if (opts.stdio && hasAlias(opts)) { + throw new Error(`It's not possible to provide \`stdio\` in combination with one of ${alias.map(x => `\`${x}\``).join(', ')}`); + } + + if (typeof opts.stdio === 'string') { + return opts.stdio; + } + + const stdio = opts.stdio || []; + + if (!Array.isArray(stdio)) { + throw new TypeError(`Expected \`stdio\` to be of type \`string\` or \`Array\`, got \`${typeof stdio}\``); + } + + const result = []; + const len = Math.max(stdio.length, alias.length); + + for (let i = 0; i < len; i++) { + let value = null; + + if (stdio[i] !== undefined) { + value = stdio[i]; + } else if (opts[alias[i]] !== undefined) { + value = opts[alias[i]]; + } + + result[i] = value; + } + + return result; +}; diff --git a/deps/npm/node_modules/os-locale/node_modules/execa/license b/deps/npm/node_modules/os-locale/node_modules/execa/license new file mode 100644 index 00000000000000..e7af2f77107d73 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/execa/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/deps/npm/node_modules/os-locale/node_modules/execa/package.json b/deps/npm/node_modules/os-locale/node_modules/execa/package.json new file mode 100644 index 00000000000000..7ab0a5777c7cd5 --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/execa/package.json @@ -0,0 +1,101 @@ +{ + "_from": "execa@^1.0.0", + "_id": "execa@1.0.0", + "_inBundle": false, + "_integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==", + "_location": "/os-locale/execa", + "_phantomChildren": {}, + "_requested": { + "type": "range", + "registry": true, + "raw": "execa@^1.0.0", + "name": "execa", + "escapedName": "execa", + "rawSpec": "^1.0.0", + "saveSpec": null, + "fetchSpec": "^1.0.0" + }, + "_requiredBy": [ + "/os-locale" + ], + "_resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz", + "_shasum": "c6236a5bb4df6d6f15e88e7f017798216749ddd8", + "_spec": "execa@^1.0.0", + "_where": "/Users/mperrotte/npminc/cli/node_modules/os-locale", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "bugs": { + "url": "https://github.com/sindresorhus/execa/issues" + }, + "bundleDependencies": false, + "dependencies": { + "cross-spawn": "^6.0.0", + "get-stream": "^4.0.0", + "is-stream": "^1.1.0", + "npm-run-path": "^2.0.0", + "p-finally": "^1.0.0", + "signal-exit": "^3.0.0", + "strip-eof": "^1.0.0" + }, + "deprecated": false, + "description": "A better `child_process`", + "devDependencies": { + "ava": "*", + "cat-names": "^1.0.2", + "coveralls": "^3.0.1", + "delay": "^3.0.0", + "is-running": "^2.0.0", + "nyc": "^13.0.1", + "tempfile": "^2.0.0", + "xo": "*" + }, + "engines": { + "node": ">=6" + }, + "files": [ + "index.js", + "lib" + ], + "homepage": "https://github.com/sindresorhus/execa#readme", + "keywords": [ + "exec", + "child", + "process", + "execute", + "fork", + "execfile", + "spawn", + "file", + "shell", + "bin", + "binary", + "binaries", + "npm", + "path", + "local" + ], + "license": "MIT", + "name": "execa", + "nyc": { + "reporter": [ + "text", + "lcov" + ], + "exclude": [ + "**/fixtures/**", + "**/test.js", + "**/test/**" + ] + }, + "repository": { + "type": "git", + "url": "git+https://github.com/sindresorhus/execa.git" + }, + "scripts": { + "test": "xo && nyc ava" + }, + "version": "1.0.0" +} diff --git a/deps/npm/node_modules/os-locale/node_modules/execa/readme.md b/deps/npm/node_modules/os-locale/node_modules/execa/readme.md new file mode 100644 index 00000000000000..f3f533d92915eb --- /dev/null +++ b/deps/npm/node_modules/os-locale/node_modules/execa/readme.md @@ -0,0 +1,327 @@ +# execa [![Build Status: Linux](https://travis-ci.org/sindresorhus/execa.svg?branch=master)](https://travis-ci.org/sindresorhus/execa) [![Build status: Windows](https://ci.appveyor.com/api/projects/status/x5ajamxtjtt93cqv/branch/master?svg=true)](https://ci.appveyor.com/project/sindresorhus/execa/branch/master) [![Coverage Status](https://coveralls.io/repos/github/sindresorhus/execa/badge.svg?branch=master)](https://coveralls.io/github/sindresorhus/execa?branch=master) + +> A better [`child_process`](https://nodejs.org/api/child_process.html) + + +## Why + +- Promise interface. +- [Strips EOF](https://github.com/sindresorhus/strip-eof) from the output so you don't have to `stdout.trim()`. +- Supports [shebang](https://en.wikipedia.org/wiki/Shebang_(Unix)) binaries cross-platform. +- [Improved Windows support.](https://github.com/IndigoUnited/node-cross-spawn#why) +- Higher max buffer. 10 MB instead of 200 KB. +- [Executes locally installed binaries by name.](#preferlocal) +- [Cleans up spawned processes when the parent process dies.](#cleanup) + + +## Install + +``` +$ npm install execa +``` + + + + + + +## Usage + +```js +const execa = require('execa'); + +(async () => { + const {stdout} = await execa('echo', ['unicorns']); + console.log(stdout); + //=> 'unicorns' +})(); +``` + +Additional examples: + +```js +const execa = require('execa'); + +(async () => { + // Pipe the child process stdout to the current stdout + execa('echo', ['unicorns']).stdout.pipe(process.stdout); + + + // Run a shell command + const {stdout} = await execa.shell('echo unicorns'); + //=> 'unicorns' + + + // Catching an error + try { + await execa.shell('exit 3'); + } catch (error) { + console.log(error); + /* + { + message: 'Command failed: /bin/sh -c exit 3' + killed: false, + code: 3, + signal: null, + cmd: '/bin/sh -c exit 3', + stdout: '', + stderr: '', + timedOut: false + } + */ + } +})(); + +// Catching an error with a sync method +try { + execa.shellSync('exit 3'); +} catch (error) { + console.log(error); + /* + { + message: 'Command failed: /bin/sh -c exit 3' + code: 3, + signal: null, + cmd: '/bin/sh -c exit 3', + stdout: '', + stderr: '', + timedOut: false + } + */ +} +``` + + +## API + +### execa(file, [arguments], [options]) + +Execute a file. + +Think of this as a mix of `child_process.execFile` and `child_process.spawn`. + +Returns a [`child_process` instance](https://nodejs.org/api/child_process.html#child_process_class_childprocess), which is enhanced to also be a `Promise` for a result `Object` with `stdout` and `stderr` properties. + +### execa.stdout(file, [arguments], [options]) + +Same as `execa()`, but returns only `stdout`. + +### execa.stderr(file, [arguments], [options]) + +Same as `execa()`, but returns only `stderr`. + +### execa.shell(command, [options]) + +Execute a command through the system shell. Prefer `execa()` whenever possible, as it's both faster and safer. + +Returns a [`child_process` instance](https://nodejs.org/api/child_process.html#child_process_class_childprocess). + +The `child_process` instance is enhanced to also be promise for a result object with `stdout` and `stderr` properties. + +### execa.sync(file, [arguments], [options]) + +Execute a file synchronously. + +Returns the same result object as [`child_process.spawnSync`](https://nodejs.org/api/child_process.html#child_process_child_process_spawnsync_command_args_options). + +This method throws an `Error` if the command fails. + +### execa.shellSync(file, [options]) + +Execute a command synchronously through the system shell. + +Returns the same result object as [`child_process.spawnSync`](https://nodejs.org/api/child_process.html#child_process_child_process_spawnsync_command_args_options). + +### options + +Type: `Object` + +#### cwd + +Type: `string`
+Default: `process.cwd()` + +Current working directory of the child process. + +#### env + +Type: `Object`
+Default: `process.env` + +Environment key-value pairs. Extends automatically from `process.env`. Set `extendEnv` to `false` if you don't want this. + +#### extendEnv + +Type: `boolean`
+Default: `true` + +Set to `false` if you don't want to extend the environment variables when providing the `env` property. + +#### argv0 + +Type: `string` + +Explicitly set the value of `argv[0]` sent to the child process. This will be set to `command` or `file` if not specified. + +#### stdio + +Type: `string[]` `string`
+Default: `pipe` + +Child's [stdio](https://nodejs.org/api/child_process.html#child_process_options_stdio) configuration. + +#### detached + +Type: `boolean` + +Prepare child to run independently of its parent process. Specific behavior [depends on the platform](https://nodejs.org/api/child_process.html#child_process_options_detached). + +#### uid + +Type: `number` + +Sets the user identity of the process. + +#### gid + +Type: `number` + +Sets the group identity of the process. + +#### shell + +Type: `boolean` `string`
+Default: `false` + +If `true`, runs `command` inside of a shell. Uses `/bin/sh` on UNIX and `cmd.exe` on Windows. A different shell can be specified as a string. The shell should understand the `-c` switch on UNIX or `/d /s /c` on Windows. + +#### stripEof + +Type: `boolean`
+Default: `true` + +[Strip EOF](https://github.com/sindresorhus/strip-eof) (last newline) from the output. + +#### preferLocal + +Type: `boolean`
+Default: `true` + +Prefer locally installed binaries when looking for a binary to execute.
+If you `$ npm install foo`, you can then `execa('foo')`. + +#### localDir + +Type: `string`
+Default: `process.cwd()` + +Preferred path to find locally installed binaries in (use with `preferLocal`). + +#### input + +Type: `string` `Buffer` `stream.Readable` + +Write some input to the `stdin` of your binary.
+Streams are not allowed when using the synchronous methods. + +#### reject + +Type: `boolean`
+Default: `true` + +Setting this to `false` resolves the promise with the error instead of rejecting it. + +#### cleanup + +Type: `boolean`
+Default: `true` + +Keep track of the spawned process and `kill` it when the parent process exits. + +#### encoding + +Type: `string`
+Default: `utf8` + +Specify the character encoding used to decode the `stdout` and `stderr` output. + +#### timeout + +Type: `number`
+Default: `0` + +If timeout is greater than `0`, the parent will send the signal identified by the `killSignal` property (the default is `SIGTERM`) if the child runs longer than timeout milliseconds. + +#### buffer + +Type: `boolean`
+Default: `true` + +Buffer the output from the spawned process. When buffering is disabled you must consume the output of the `stdout` and `stderr` streams because the promise will not be resolved/rejected until they have completed. + +#### maxBuffer + +Type: `number`
+Default: `10000000` (10MB) + +Largest amount of data in bytes allowed on `stdout` or `stderr`. + +#### killSignal + +Type: `string` `number`
+Default: `SIGTERM` + +Signal value to be used when the spawned process will be killed. + +#### stdin + +Type: `string` `number` `Stream` `undefined` `null`
+Default: `pipe` + +Same options as [`stdio`](https://nodejs.org/dist/latest-v6.x/docs/api/child_process.html#child_process_options_stdio). + +#### stdout + +Type: `string` `number` `Stream` `undefined` `null`
+Default: `pipe` + +Same options as [`stdio`](https://nodejs.org/dist/latest-v6.x/docs/api/child_process.html#child_process_options_stdio). + +#### stderr + +Type: `string` `number` `Stream` `undefined` `null`
+Default: `pipe` + +Same options as [`stdio`](https://nodejs.org/dist/latest-v6.x/docs/api/child_process.html#child_process_options_stdio). + +#### windowsVerbatimArguments + +Type: `boolean`
+Default: `false` + +If `true`, no quoting or escaping of arguments is done on Windows. Ignored on other platforms. This is set to `true` automatically when the `shell` option is `true`. + + +## Tips + +### Save and pipe output from a child process + +Let's say you want to show the output of a child process in real-time while also saving it to a variable. + +```js +const execa = require('execa'); +const getStream = require('get-stream'); + +const stream = execa('echo', ['foo']).stdout; + +stream.pipe(process.stdout); + +getStream(stream).then(value => { + console.log('child output:', value); +}); +``` + + +## License + +MIT © [Sindre Sorhus](https://sindresorhus.com) diff --git a/deps/npm/node_modules/os-locale/package.json b/deps/npm/node_modules/os-locale/package.json index 3777aec6a39517..fb6646ec9974b8 100644 --- a/deps/npm/node_modules/os-locale/package.json +++ b/deps/npm/node_modules/os-locale/package.json @@ -1,27 +1,39 @@ { - "_from": "os-locale@^2.0.0", - "_id": "os-locale@2.1.0", + "_from": "os-locale@^3.1.0", + "_id": "os-locale@3.1.0", "_inBundle": false, - "_integrity": "sha512-3sslG3zJbEYcaC4YVAvDorjGxc7tv6KVATnLPZONiljsUncvihe9BQoVCEs0RZ1kmf4Hk9OBqlZfJZWI4GanKA==", + "_integrity": "sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==", "_location": "/os-locale", - "_phantomChildren": {}, + "_phantomChildren": { + "get-stream": "4.1.0", + "is-stream": "1.1.0", + "nice-try": "1.0.5", + "npm-run-path": "2.0.2", + "p-finally": "1.0.0", + "path-key": "2.0.1", + "semver": "5.7.1", + "shebang-command": "1.2.0", + "signal-exit": "3.0.2", + "strip-eof": "1.0.0", + "which": "1.3.1" + }, "_requested": { "type": "range", "registry": true, - "raw": "os-locale@^2.0.0", + "raw": "os-locale@^3.1.0", "name": "os-locale", "escapedName": "os-locale", - "rawSpec": "^2.0.0", + "rawSpec": "^3.1.0", "saveSpec": null, - "fetchSpec": "^2.0.0" + "fetchSpec": "^3.1.0" }, "_requiredBy": [ "/yargs" ], - "_resolved": "https://registry.npmjs.org/os-locale/-/os-locale-2.1.0.tgz", - "_shasum": "42bc2900a6b5b8bd17376c8e882b65afccf24bf2", - "_spec": "os-locale@^2.0.0", - "_where": "/Users/rebecca/code/npm/node_modules/yargs", + "_resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz", + "_shasum": "a802a6ee17f24c10483ab9935719cef4ed16bf1a", + "_spec": "os-locale@^3.1.0", + "_where": "/Users/mperrotte/npminc/cli/node_modules/yargs", "author": { "name": "Sindre Sorhus", "email": "sindresorhus@gmail.com", @@ -32,19 +44,19 @@ }, "bundleDependencies": false, "dependencies": { - "execa": "^0.7.0", - "lcid": "^1.0.0", - "mem": "^1.1.0" + "execa": "^1.0.0", + "lcid": "^2.0.0", + "mem": "^4.0.0" }, "deprecated": false, "description": "Get the system locale", "devDependencies": { - "ava": "*", - "import-fresh": "^2.0.0", - "xo": "*" + "ava": "^1.0.1", + "import-fresh": "^3.0.0", + "xo": "^0.23.0" }, "engines": { - "node": ">=4" + "node": ">=6" }, "files": [ "index.js" @@ -73,5 +85,5 @@ "scripts": { "test": "xo && ava" }, - "version": "2.1.0" + "version": "3.1.0" } diff --git a/deps/npm/node_modules/os-locale/readme.md b/deps/npm/node_modules/os-locale/readme.md index 7c80d33589e4bb..8f9c280eedb85e 100644 --- a/deps/npm/node_modules/os-locale/readme.md +++ b/deps/npm/node_modules/os-locale/readme.md @@ -6,11 +6,24 @@ Useful for localizing your module or app. POSIX systems: The returned locale refers to the [`LC_MESSAGE`](http://www.gnu.org/software/libc/manual/html_node/Locale-Categories.html#Locale-Categories) category, suitable for selecting the language used in the user interface for message translation. +--- + +
+ + Get professional support for 'os-locale' with a Tidelift subscription + +
+ + Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies. + +
+ +--- ## Install ``` -$ npm install --save os-locale +$ npm install os-locale ``` @@ -19,10 +32,10 @@ $ npm install --save os-locale ```js const osLocale = require('os-locale'); -osLocale().then(locale => { - console.log(locale); +(async () => { + console.log(await osLocale()); //=> 'en_US' -}); +})(); ``` @@ -48,6 +61,11 @@ Default: `true` Set to `false` to avoid spawning subprocesses and instead only resolve the locale from environment variables. +## Security + +To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure. + + ## License MIT © [Sindre Sorhus](https://sindresorhus.com) diff --git a/deps/npm/node_modules/p-defer/index.js b/deps/npm/node_modules/p-defer/index.js new file mode 100644 index 00000000000000..eaef75e4e5f723 --- /dev/null +++ b/deps/npm/node_modules/p-defer/index.js @@ -0,0 +1,11 @@ +'use strict'; +module.exports = () => { + const ret = {}; + + ret.promise = new Promise((resolve, reject) => { + ret.resolve = resolve; + ret.reject = reject; + }); + + return ret; +}; diff --git a/deps/npm/node_modules/p-defer/license b/deps/npm/node_modules/p-defer/license new file mode 100644 index 00000000000000..654d0bfe943437 --- /dev/null +++ b/deps/npm/node_modules/p-defer/license @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) Sindre Sorhus (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/deps/npm/node_modules/p-defer/package.json b/deps/npm/node_modules/p-defer/package.json new file mode 100644 index 00000000000000..ee706cd9308589 --- /dev/null +++ b/deps/npm/node_modules/p-defer/package.json @@ -0,0 +1,77 @@ +{ + "_args": [ + [ + "p-defer@1.0.0", + "/Users/mperrotte/npminc/cli" + ] + ], + "_development": true, + "_from": "p-defer@1.0.0", + "_id": "p-defer@1.0.0", + "_inBundle": false, + "_integrity": "sha1-n26xgvbJqozXQwBKfU+WsZaw+ww=", + "_location": "/p-defer", + "_phantomChildren": {}, + "_requested": { + "type": "version", + "registry": true, + "raw": "p-defer@1.0.0", + "name": "p-defer", + "escapedName": "p-defer", + "rawSpec": "1.0.0", + "saveSpec": null, + "fetchSpec": "1.0.0" + }, + "_requiredBy": [ + "/map-age-cleaner" + ], + "_resolved": "https://registry.npmjs.org/p-defer/-/p-defer-1.0.0.tgz", + "_spec": "1.0.0", + "_where": "/Users/mperrotte/npminc/cli", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "bugs": { + "url": "https://github.com/sindresorhus/p-defer/issues" + }, + "description": "Create a deferred promise", + "devDependencies": { + "ava": "*", + "xo": "*" + }, + "engines": { + "node": ">=4" + }, + "files": [ + "index.js" + ], + "homepage": "https://github.com/sindresorhus/p-defer#readme", + "keywords": [ + "promise", + "defer", + "deferred", + "resolve", + "reject", + "lazy", + "later", + "async", + "await", + "promises", + "bluebird" + ], + "license": "MIT", + "name": "p-defer", + "repository": { + "type": "git", + "url": "git+https://github.com/sindresorhus/p-defer.git" + }, + "scripts": { + "test": "xo && ava" + }, + "version": "1.0.0", + "xo": { + "esnext": true + } +} diff --git a/deps/npm/node_modules/p-defer/readme.md b/deps/npm/node_modules/p-defer/readme.md new file mode 100644 index 00000000000000..b94f137129d9df --- /dev/null +++ b/deps/npm/node_modules/p-defer/readme.md @@ -0,0 +1,47 @@ +# p-defer [![Build Status](https://travis-ci.org/sindresorhus/p-defer.svg?branch=master)](https://travis-ci.org/sindresorhus/p-defer) + +> Create a deferred promise + +[**Don't use this unless you know what you're doing!**](https://github.com/petkaantonov/bluebird/wiki/Promise-anti-patterns#the-deferred-anti-pattern) Prefer the `Promise` constructor. + + +## Install + +``` +$ npm install --save p-defer +``` + + +## Usage + +```js +const pDefer = require('p-defer'); + +function delay(ms) { + const deferred = pDefer(); + setTimeout(deferred.resolve, ms, '🦄'); + return deferred.promise; +} + +delay(100).then(console.log); +//=> '🦄' +``` + +*The above is just an example. Use [`delay`](https://github.com/sindresorhus/delay) if you need to delay a promise.* + + +## API + +### pDefer() + +Returns an `Object` with a `promise` property and functions to `resolve()` and `reject()`. + + +## Related + +- [More…](https://github.com/sindresorhus/promise-fun) + + +## License + +MIT © [Sindre Sorhus](https://sindresorhus.com) diff --git a/deps/npm/node_modules/p-is-promise/index.d.ts b/deps/npm/node_modules/p-is-promise/index.d.ts new file mode 100644 index 00000000000000..662d9e0c420f60 --- /dev/null +++ b/deps/npm/node_modules/p-is-promise/index.d.ts @@ -0,0 +1,23 @@ +declare const pIsPromise: { + /** + Check if `input` is a ES2015 promise. + + @param input - Value to be checked. + + @example + ``` + import isPromise = require('p-is-promise'); + + isPromise(Promise.resolve('🦄')); + //=> true + ``` + */ + (input: unknown): input is Promise; + + // TODO: Remove this for the next major release, refactor the whole definition to: + // declare function pIsPromise(input: unknown): input is Promise; + // export = pIsPromise; + default: typeof pIsPromise; +}; + +export = pIsPromise; diff --git a/deps/npm/node_modules/p-is-promise/index.js b/deps/npm/node_modules/p-is-promise/index.js new file mode 100644 index 00000000000000..389d38fc55f6f4 --- /dev/null +++ b/deps/npm/node_modules/p-is-promise/index.js @@ -0,0 +1,15 @@ +'use strict'; + +const isPromise = input => ( + input instanceof Promise || + ( + input !== null && + typeof input === 'object' && + typeof input.then === 'function' && + typeof input.catch === 'function' + ) +); + +module.exports = isPromise; +// TODO: Remove this for the next major release +module.exports.default = isPromise; diff --git a/deps/npm/node_modules/p-is-promise/license b/deps/npm/node_modules/p-is-promise/license new file mode 100644 index 00000000000000..e7af2f77107d73 --- /dev/null +++ b/deps/npm/node_modules/p-is-promise/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/deps/npm/node_modules/p-is-promise/package.json b/deps/npm/node_modules/p-is-promise/package.json new file mode 100644 index 00000000000000..3315effdfb15df --- /dev/null +++ b/deps/npm/node_modules/p-is-promise/package.json @@ -0,0 +1,78 @@ +{ + "_args": [ + [ + "p-is-promise@2.1.0", + "/Users/mperrotte/npminc/cli" + ] + ], + "_development": true, + "_from": "p-is-promise@2.1.0", + "_id": "p-is-promise@2.1.0", + "_inBundle": false, + "_integrity": "sha512-Y3W0wlRPK8ZMRbNq97l4M5otioeA5lm1z7bkNkxCka8HSPjR0xRWmpCmc9utiaLP9Jb1eD8BgeIxTW4AIF45Pg==", + "_location": "/p-is-promise", + "_phantomChildren": {}, + "_requested": { + "type": "version", + "registry": true, + "raw": "p-is-promise@2.1.0", + "name": "p-is-promise", + "escapedName": "p-is-promise", + "rawSpec": "2.1.0", + "saveSpec": null, + "fetchSpec": "2.1.0" + }, + "_requiredBy": [ + "/nyc/mem" + ], + "_resolved": "https://registry.npmjs.org/p-is-promise/-/p-is-promise-2.1.0.tgz", + "_spec": "2.1.0", + "_where": "/Users/mperrotte/npminc/cli", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "bugs": { + "url": "https://github.com/sindresorhus/p-is-promise/issues" + }, + "description": "Check if something is a promise", + "devDependencies": { + "ava": "^1.4.1", + "bluebird": "^3.5.4", + "tsd": "^0.7.2", + "xo": "^0.24.0" + }, + "engines": { + "node": ">=6" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "homepage": "https://github.com/sindresorhus/p-is-promise#readme", + "keywords": [ + "promise", + "is", + "detect", + "check", + "kind", + "type", + "thenable", + "es2015", + "async", + "await", + "promises", + "bluebird" + ], + "license": "MIT", + "name": "p-is-promise", + "repository": { + "type": "git", + "url": "git+https://github.com/sindresorhus/p-is-promise.git" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "version": "2.1.0" +} diff --git a/deps/npm/node_modules/p-is-promise/readme.md b/deps/npm/node_modules/p-is-promise/readme.md new file mode 100644 index 00000000000000..0e0e48171a919d --- /dev/null +++ b/deps/npm/node_modules/p-is-promise/readme.md @@ -0,0 +1,43 @@ +# p-is-promise [![Build Status](https://travis-ci.org/sindresorhus/p-is-promise.svg?branch=master)](https://travis-ci.org/sindresorhus/p-is-promise) + +> Check if something is a promise + +Why not [`is-promise`](https://github.com/then/is-promise)? That module [checks for a thenable](https://github.com/then/is-promise/issues/6), not an ES2015 promise. This one is stricter. + +You most likely don't need this. Just pass your value to `Promise.resolve()` and let it handle it. + +Can be useful if you need to create a fast path for a synchronous operation. + + +## Install + +``` +$ npm install p-is-promise +``` + + +## Usage + +```js +const pIsPromise = require('p-is-promise'); +const Bluebird = require('bluebird'); + +pIsPromise(Promise.resolve('🦄')); +//=> true + +pIsPromise(Bluebird.resolve('🦄')); +//=> true + +pIsPromise('🦄'); +//=> false +``` + + +## Related + +- [More…](https://github.com/sindresorhus/promise-fun) + + +## License + +MIT © [Sindre Sorhus](https://sindresorhus.com) diff --git a/deps/npm/node_modules/yargs/CHANGELOG.md b/deps/npm/node_modules/yargs/CHANGELOG.md index 0eaf2f33edddb4..2cccca04c4113c 100644 --- a/deps/npm/node_modules/yargs/CHANGELOG.md +++ b/deps/npm/node_modules/yargs/CHANGELOG.md @@ -2,6 +2,25 @@ All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines. + +# [11.1.1](https://github.com/yargs/yargs/compare/v11.1.0...v11.1.1) (2019-10-06) + +* backport security fix for os-locale. + + +# [11.1.0](https://github.com/yargs/yargs/compare/v11.0.0...v11.1.0) (2018-03-04) + + +### Bug Fixes + +* choose correct config directory when require.main does not exist ([#1056](https://github.com/yargs/yargs/issues/1056)) ([a04678c](https://github.com/yargs/yargs/commit/a04678c)) + + +### Features + +* allow hidden options to be displayed with --show-hidden ([#1061](https://github.com/yargs/yargs/issues/1061)) ([ea862ae](https://github.com/yargs/yargs/commit/ea862ae)) +* extend *.rc files in addition to json ([#1080](https://github.com/yargs/yargs/issues/1080)) ([11691a6](https://github.com/yargs/yargs/commit/11691a6)) + # [11.0.0](https://github.com/yargs/yargs/compare/v10.1.2...v11.0.0) (2018-01-22) diff --git a/deps/npm/node_modules/yargs/lib/apply-extends.js b/deps/npm/node_modules/yargs/lib/apply-extends.js index 3005848e3cdb78..530b022ac57b5a 100644 --- a/deps/npm/node_modules/yargs/lib/apply-extends.js +++ b/deps/npm/node_modules/yargs/lib/apply-extends.js @@ -6,9 +6,9 @@ const YError = require('./yerror') let previouslyVisitedConfigs = [] -function checkForCircularExtends (path) { - if (previouslyVisitedConfigs.indexOf(path) > -1) { - throw new YError(`Circular extended configurations: '${path}'.`) +function checkForCircularExtends (cfgPath) { + if (previouslyVisitedConfigs.indexOf(cfgPath) > -1) { + throw new YError(`Circular extended configurations: '${cfgPath}'.`) } } diff --git a/deps/npm/node_modules/yargs/package.json b/deps/npm/node_modules/yargs/package.json index 1fe51fedd4392b..fd0a1265c23ddb 100644 --- a/deps/npm/node_modules/yargs/package.json +++ b/deps/npm/node_modules/yargs/package.json @@ -1,8 +1,8 @@ { "_from": "yargs@^11.0.0", - "_id": "yargs@11.0.0", + "_id": "yargs@11.1.1", "_inBundle": false, - "_integrity": "sha512-Rjp+lMYQOWtgqojx1dEWorjCofi1YN7AoFvYV7b1gx/7dAAeuI4kN5SZiEvr0ZmsZTOpDRcCqrpI10L31tFkBw==", + "_integrity": "sha512-PRU7gJrJaXv3q3yQZ/+/X6KBswZiaQ+zOmdprZcouPYtQgvNU35i+68M4b1ZHLZtYFT5QObFLV+ZkmJYcwKdiw==", "_location": "/yargs", "_phantomChildren": {}, "_requested": { @@ -18,10 +18,10 @@ "_requiredBy": [ "/libnpx" ], - "_resolved": "https://registry.npmjs.org/yargs/-/yargs-11.0.0.tgz", - "_shasum": "c052931006c5eee74610e5fc0354bedfd08a201b", + "_resolved": "https://registry.npmjs.org/yargs/-/yargs-11.1.1.tgz", + "_shasum": "5052efe3446a4df5ed669c995886cc0f13702766", "_spec": "yargs@^11.0.0", - "_where": "/Users/rebecca/code/npm/node_modules/libnpx", + "_where": "/Users/mperrotte/npminc/cli/node_modules/libnpx", "bugs": { "url": "https://github.com/yargs/yargs/issues" }, @@ -31,7 +31,7 @@ "decamelize": "^1.1.1", "find-up": "^2.1.0", "get-caller-file": "^1.0.1", - "os-locale": "^2.0.0", + "os-locale": "^3.1.0", "require-directory": "^2.1.1", "require-main-filename": "^1.0.1", "set-blocking": "^2.0.0", @@ -47,7 +47,7 @@ "chalk": "^1.1.3", "coveralls": "^2.11.11", "cpr": "^2.0.0", - "cross-spawn": "^5.0.1", + "cross-spawn": "^6.0.4", "es6-promise": "^4.0.2", "hashish": "0.0.4", "mocha": "^3.0.1", @@ -97,5 +97,5 @@ "**/example/**" ] }, - "version": "11.0.0" + "version": "11.1.1" } diff --git a/deps/npm/node_modules/yargs/yargs.js b/deps/npm/node_modules/yargs/yargs.js index 9b50b8bfeb0a44..38f1b2ea6e67f5 100644 --- a/deps/npm/node_modules/yargs/yargs.js +++ b/deps/npm/node_modules/yargs/yargs.js @@ -476,17 +476,17 @@ function Yargs (processArgs, cwd, parentRequire) { return self } - self.pkgConf = function pkgConf (key, path) { - argsert(' [string]', [key, path], arguments.length) + self.pkgConf = function pkgConf (key, rootPath) { + argsert(' [string]', [key, rootPath], arguments.length) let conf = null // prefer cwd to require-main-filename in this method // since we're looking for e.g. "nyc" config in nyc consumer // rather than "yargs" config in nyc (where nyc is the main filename) - const obj = pkgUp(path || cwd) + const obj = pkgUp(rootPath || cwd) // If an object exists in the key, add it to options.configObjects if (obj[key] && typeof obj[key] === 'object') { - conf = applyExtends(obj[key], path || cwd) + conf = applyExtends(obj[key], rootPath || cwd) options.configObjects = (options.configObjects || []).concat(conf) } @@ -494,16 +494,24 @@ function Yargs (processArgs, cwd, parentRequire) { } const pkgs = {} - function pkgUp (path) { - const npath = path || '*' + function pkgUp (rootPath) { + const npath = rootPath || '*' if (pkgs[npath]) return pkgs[npath] const findUp = require('find-up') let obj = {} try { + let startDir = rootPath || require('require-main-filename')(parentRequire || require) + + // When called in an environment that lacks require.main.filename, such as a jest test runner, + // startDir is already process.cwd(), and should not be shortened. + // Whether or not it is _actually_ a directory (e.g., extensionless bin) is irrelevant, find-up handles it. + if (!rootPath && path.extname(startDir)) { + startDir = path.dirname(startDir) + } + const pkgJsonPath = findUp.sync('package.json', { - cwd: path || require('path').dirname(require('require-main-filename')(parentRequire || require)), - normalize: false + cwd: startDir }) obj = JSON.parse(fs.readFileSync(pkgJsonPath)) } catch (noop) {} diff --git a/deps/npm/package.json b/deps/npm/package.json index c5843fb74fe7f6..3c37420f4c5ec2 100644 --- a/deps/npm/package.json +++ b/deps/npm/package.json @@ -1,5 +1,5 @@ { - "version": "6.13.6", + "version": "6.13.7", "name": "npm", "description": "a package manager for JavaScript", "keywords": [ @@ -39,7 +39,7 @@ "ansistyles": "~0.1.3", "aproba": "^2.0.0", "archy": "~1.0.0", - "bin-links": "^1.1.6", + "bin-links": "^1.1.7", "bluebird": "^3.5.5", "byte-size": "^5.0.1", "cacache": "^12.0.3", @@ -80,7 +80,7 @@ "libnpmorg": "^1.0.1", "libnpmsearch": "^2.0.2", "libnpmteam": "^1.0.2", - "libnpx": "^10.2.0", + "libnpx": "^10.2.2", "lock-verify": "^2.1.0", "lockfile": "^1.0.4", "lodash._baseuniq": "~4.6.0", @@ -93,7 +93,7 @@ "mississippi": "^3.0.0", "mkdirp": "~0.5.1", "move-concurrently": "^1.0.1", - "node-gyp": "^5.0.5", + "node-gyp": "^5.0.7", "nopt": "~4.0.1", "normalize-package-data": "^2.5.0", "npm-audit-report": "^1.3.2", @@ -296,7 +296,8 @@ "licenses": "licensee --production --errors-only", "tap": "tap -J --timeout 300 --no-esm", "tap-cover": "tap -J --nyc-arg=--cache --coverage --timeout 600 --no-esm", - "pretest": "standard", + "lint": "standard", + "pretest": "npm run lint", "test": "npm run test-tap --", "test:nocleanup": "NO_TEST_CLEANUP=1 npm run test --", "sudotest": "sudo npm run tap -- \"test/tap/*.js\"", diff --git a/deps/npm/scripts/docs-build.js b/deps/npm/scripts/docs-build.js index e3cd2e9826f1e6..390ea20be706e1 100644 --- a/deps/npm/scripts/docs-build.js +++ b/deps/npm/scripts/docs-build.js @@ -15,7 +15,7 @@ fs.readFile(src, 'utf8', function (err, data) { } var result = data.replace(/@VERSION@/g, npm.version) - .replace(/---([\s\S]+)---/g, '') + .replace(/^---([\s\S]+?)---/g, '') .replace(/\[([^\]]+)\]\(\/cli-commands\/([^)]+)\)/g, replacer) .replace(/\[([^\]]+)\]\(\/configuring-npm\/([^)]+)\)/g, replacer) .replace(/\[([^\]]+)\]\(\/using-npm\/([^)]+)\)/g, replacer) diff --git a/deps/npm/scripts/release.sh b/deps/npm/scripts/release.sh index e071c7ededaf75..31fb6fa1941418 100644 --- a/deps/npm/scripts/release.sh +++ b/deps/npm/scripts/release.sh @@ -12,6 +12,8 @@ node ./bin/npm-cli.js pack --loglevel error >/dev/null mv *.tgz release cd release tar xzf *.tgz +cp ../.npmrc package/ +cp -r ../tap-snapshots package/ cp -r ../test package/ mkdir node_modules diff --git a/deps/npm/tap-snapshots/test-tap-fund.js-TAP.test.js b/deps/npm/tap-snapshots/test-tap-fund.js-TAP.test.js new file mode 100644 index 00000000000000..eb3183a27d7b41 --- /dev/null +++ b/deps/npm/tap-snapshots/test-tap-fund.js-TAP.test.js @@ -0,0 +1,61 @@ +/* IMPORTANT + * This snapshot file is auto-generated, but designed for humans. + * It should be checked into source control and tracked carefully. + * Re-generate by setting TAP_SNAPSHOT=1 and running tests. + * Make sure to inspect the output below. Do not ignore changes! + */ +'use strict' +exports[`test/tap/fund.js TAP fund containing multi-level nested deps with no funding > should omit dependencies with no funding declared 1`] = ` +nested-no-funding-packages@1.0.0 ++-- lorem@1.0.0 +| \`-- url: https://example.com/lorem +\`-- bar@1.0.0 + +-- type: individual + +-- url: http://example.com/donate + \`-- sub-bar@1.0.0 + \`-- url: https://example.com/sponsor + + +` + +exports[`test/tap/fund.js TAP fund does not support global > should throw EFUNDGLOBAL error 1`] = ` + +` + +exports[`test/tap/fund.js TAP fund does not support global > should write error msgs to stderr 1`] = ` +npm ERR! code EFUNDGLOBAL +npm ERR! \`npm fund\` does not support globals +` + +exports[`test/tap/fund.js TAP fund does not support global, using --json option > should write error msgs to stderr 1`] = ` +npm ERR! code EFUNDGLOBAL +npm ERR! \`npm fund\` does not support globals +` + +exports[`test/tap/fund.js TAP fund in which same maintainer owns all its deps > should print stack packages together 1`] = ` +maintainer-owns-all-deps@1.0.0, dep-bar@1.0.0, dep-sub-foo@1.0.0, dep-foo@1.0.0 ++-- type: individual +\`-- url: http://example.com/donate + + +` + +exports[`test/tap/fund.js TAP fund using package argument with no browser > should open funding url 1`] = ` +individual funding available at the following URL: + +http://example.com/donate + +` + +exports[`test/tap/fund.js TAP fund using string shorthand > should open string-only url 1`] = ` +Funding available at the following URL: + +https://example.com/sponsor + +` + +exports[`test/tap/fund.js TAP fund with no package containing funding > should print empty funding info 1`] = ` +no-funding-package@0.0.0 + + +` diff --git a/deps/npm/tap-snapshots/test-tap-repo.js-TAP.test.js b/deps/npm/tap-snapshots/test-tap-repo.js-TAP.test.js new file mode 100644 index 00000000000000..3fba79edb8d42b --- /dev/null +++ b/deps/npm/tap-snapshots/test-tap-repo.js-TAP.test.js @@ -0,0 +1,21 @@ +/* IMPORTANT + * This snapshot file is auto-generated, but designed for humans. + * It should be checked into source control and tracked carefully. + * Re-generate by setting TAP_SNAPSHOT=1 and running tests. + * Make sure to inspect the output below. Do not ignore changes! + */ +'use strict' +exports[`test/tap/repo.js TAP npm repo underscore --json > should print json result 1`] = ` +{ + "title": "repository available at the following URL", + "url": "https://github.com/jashkenas/underscore" +} + +` + +exports[`test/tap/repo.js TAP npm repo underscore --no-browser > should print alternative msg 1`] = ` +repository available at the following URL: + +https://github.com/jashkenas/underscore + +` diff --git a/deps/npm/test/fixtures/config/userconfig-with-gc b/deps/npm/test/fixtures/config/userconfig-with-gc index 866f78dab61ce5..a3a837eb78dd47 100644 --- a/deps/npm/test/fixtures/config/userconfig-with-gc +++ b/deps/npm/test/fixtures/config/userconfig-with-gc @@ -1,4 +1,4 @@ -globalconfig = /Users/ruyadorno/Documents/workspace/cli/test/fixtures/config/globalconfig +globalconfig = /Users/mperrotte/npminc/cli/test/fixtures/config/globalconfig email = i@izs.me env-thing = ${random_env_var} init.author.name = Isaac Z. Schlueter diff --git a/deps/npm/test/tap/ci.js b/deps/npm/test/tap/ci.js index f6359578055bb7..e1c2d73b7a43d5 100644 --- a/deps/npm/test/tap/ci.js +++ b/deps/npm/test/tap/ci.js @@ -15,7 +15,10 @@ const File = Tacks.File const cacheDir = common.cache const testDir = common.pkg -const EXEC_OPTS = { cwd: testDir } +const EXEC_OPTS = { + cwd: testDir, + nodeExecPath: process.execPath +} const PKG = { name: 'top', diff --git a/deps/npm/test/tap/prepare.js b/deps/npm/test/tap/prepare.js index 1169089b17e4d8..d0966000735c47 100644 --- a/deps/npm/test/tap/prepare.js +++ b/deps/npm/test/tap/prepare.js @@ -55,7 +55,11 @@ test('test', function (t) { common.npm([ 'pack', '--loglevel', 'warn' - ], { cwd: pkg, env: env }, function (err, code, stdout, stderr) { + ], { + cwd: pkg, + env: env, + nodeExecPath: process.execPath + }, function (err, code, stdout, stderr) { t.equal(code, 0, 'pack finished successfully') t.ifErr(err, 'pack finished successfully') diff --git a/deps/npm/test/tap/prepublish-only.js b/deps/npm/test/tap/prepublish-only.js index 56881494d23814..988d507c6359f4 100644 --- a/deps/npm/test/tap/prepublish-only.js +++ b/deps/npm/test/tap/prepublish-only.js @@ -98,7 +98,8 @@ test('test', function (t) { common.npm( [ 'publish', - '--loglevel', 'warn' + '--loglevel', 'warn', + '--scripts-prepend-node-path' ], { cwd: pkg, diff --git a/deps/npm/test/tap/publish-scoped.js b/deps/npm/test/tap/publish-scoped.js index 78ca4699d3a31b..82873688cdce9e 100644 --- a/deps/npm/test/tap/publish-scoped.js +++ b/deps/npm/test/tap/publish-scoped.js @@ -46,7 +46,7 @@ test('npm publish should honor scoping', function (t) { fs.writeFileSync(configFile, configuration.join('\n') + '\n') - common.npm(['publish'], {'cwd': pkg}, function (err, code, stdout, stderr) { + common.npm(['publish'], {'cwd': pkg, nodeExecPath: process.execPath}, function (err, code, stdout, stderr) { if (err) throw err t.is(code, 0, 'published without error') server.done() diff --git a/deps/npm/test/tap/publish.js b/deps/npm/test/tap/publish.js index 0913576a31b446..453abcecd47abd 100644 --- a/deps/npm/test/tap/publish.js +++ b/deps/npm/test/tap/publish.js @@ -52,7 +52,10 @@ test('basic npm publish', (t) => { `--//localhost:${server.port}/:username=username`, `--//localhost:${server.port}/:_password=` + Buffer.from('password').toString('base64'), `--//localhost:${server.port}/:email=` + 'ogd@aoaioxxysz.net' - ], {'cwd': testDir}) + ], { + 'cwd': testDir, + nodeExecPath: process.execPath + }) .spread((code, stdout, stderr) => { t.comment(stdout) t.comment(stderr) diff --git a/deps/npm/test/tap/umask-lifecycle.js b/deps/npm/test/tap/umask-lifecycle.js index 8b365d62335d79..dc365c94abbd56 100644 --- a/deps/npm/test/tap/umask-lifecycle.js +++ b/deps/npm/test/tap/umask-lifecycle.js @@ -40,12 +40,13 @@ test('setup', function (t) { }) test('umask script', function (t) { - common.npm(['run', 'umask'], { + common.npm(['run', 'umask', '--scripts-prepend-node-path'], { cwd: pkg, env: { PATH: process.env.PATH, Path: process.env.Path, - 'npm_config_loglevel': 'warn' + 'npm_config_loglevel': 'warn', + nodeExecPath: process.execPath } }, function (er, code, sout, serr) { t.equal(sout, expected) diff --git a/deps/npm/test/tap/version-no-package.js b/deps/npm/test/tap/version-no-package.js index aa553b080148a9..60c0e3be7adb90 100644 --- a/deps/npm/test/tap/version-no-package.js +++ b/deps/npm/test/tap/version-no-package.js @@ -7,7 +7,7 @@ test('npm version in a prefix with no package.json', function (t) { process.chdir(pkg) common.npm( ['version', '--json', '--prefix', pkg], - { cwd: pkg }, + { cwd: pkg, nodeExecPath: process.execPath }, function (er, code, stdout, stderr) { t.ifError(er, "npm version doesn't care that there's no package.json") t.notOk(code, 'npm version ran without barfing') From c5616fb539277d80391db5d759dc67c326e024a9 Mon Sep 17 00:00:00 2001 From: Denys Otrishko Date: Wed, 29 Jan 2020 21:12:59 +0200 Subject: [PATCH 119/224] doc: clarify require() OS independence PR-URL: https://github.com/nodejs/node/pull/31571 Reviewed-By: Anna Henningsen Reviewed-By: Luigi Pinca Reviewed-By: Rich Trott --- doc/api/modules.md | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/doc/api/modules.md b/doc/api/modules.md index 3860a7a4d358e5..1cebd32e8147c2 100644 --- a/doc/api/modules.md +++ b/doc/api/modules.md @@ -618,10 +618,13 @@ Used to import modules, `JSON`, and local files. Modules can be imported from `node_modules`. Local modules and JSON files can be imported using a relative path (e.g. `./`, `./foo`, `./bar/baz`, `../foo`) that will be resolved against the directory named by [`__dirname`][] (if defined) or -the current working directory. +the current working directory. The relative paths of POSIX style are resolved +in an OS independent fashion, meaning that the examples above will work on +Windows in the same way they would on Unix systems. ```js -// Importing a local module: +// Importing a local module with a path relative to the `__dirname` or current +// working directory. (On Windows, this would resolve to .\path\myLocalModule.) const myLocalModule = require('./path/myLocalModule'); // Importing a JSON file: From 20b16b25dab1a8452228f9d23741a7e62cc625e4 Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Wed, 29 Jan 2020 17:42:26 +0000 Subject: [PATCH 120/224] src: remove preview for heap dump utilities At least `createHeapSnapshotStream()` and `triggerHeapSnapshot()` do have side effects, and more importantly, they should not be run transparently. Without this, typing e.g. `v8.getHeapSnapshot()` into the REPL will result in a crash or infinite loop while the REPL evaluates the expression for a preview. PR-URL: https://github.com/nodejs/node/pull/31570 Reviewed-By: Colin Ihrig Reviewed-By: Gus Caplan Reviewed-By: Richard Lau Reviewed-By: David Carlier Reviewed-By: James M Snell Reviewed-By: Rich Trott --- src/heap_utils.cc | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/src/heap_utils.cc b/src/heap_utils.cc index b996f78aa4199b..b6c8c75c159846 100644 --- a/src/heap_utils.cc +++ b/src/heap_utils.cc @@ -385,15 +385,9 @@ void Initialize(Local target, void* priv) { Environment* env = Environment::GetCurrent(context); - env->SetMethodNoSideEffect(target, - "buildEmbedderGraph", - BuildEmbedderGraph); - env->SetMethodNoSideEffect(target, - "triggerHeapSnapshot", - TriggerHeapSnapshot); - env->SetMethodNoSideEffect(target, - "createHeapSnapshotStream", - CreateHeapSnapshotStream); + env->SetMethod(target, "buildEmbedderGraph", BuildEmbedderGraph); + env->SetMethod(target, "triggerHeapSnapshot", TriggerHeapSnapshot); + env->SetMethod(target, "createHeapSnapshotStream", CreateHeapSnapshotStream); // Create FunctionTemplate for HeapSnapshotStream Local os = FunctionTemplate::New(env->isolate()); From d120eba4d139442f8e766255cd15ccabaa7d9eef Mon Sep 17 00:00:00 2001 From: ConorDavenport Date: Wed, 29 Jan 2020 12:01:09 +0000 Subject: [PATCH 121/224] build: ignore all the "Debug","Release" folders Since there're still many "Debug" and "Release" folders in "deps" and "tools", to make it more strict and totally ignore the generated obj files, ignore all the files/folders under them. Refs: https://github.com/nodejs/node/pull/27210 PR-URL: https://github.com/nodejs/node/pull/31565 Reviewed-By: Anna Henningsen Reviewed-By: David Carlier Reviewed-By: James M Snell Reviewed-By: Rich Trott --- .gitignore | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/.gitignore b/.gitignore index e50393f003c5d1..e1703844e5d320 100644 --- a/.gitignore +++ b/.gitignore @@ -45,8 +45,8 @@ /config_fips.gypi # === Rules for MSVS artifacts === -/Debug -/Release +Debug/ +Release/ *.sln *.suo *.vcxproj* From 4cbeba928c20e14a5a3cff873b4ae2faaae5bf83 Mon Sep 17 00:00:00 2001 From: Harshitha KP Date: Wed, 29 Jan 2020 01:24:37 -0500 Subject: [PATCH 122/224] test: remove --experimental-worker flag comment worker is stable in the master branch. The flag is no longer required. PR-URL: https://github.com/nodejs/node/pull/31563 Reviewed-By: Richard Lau Reviewed-By: Anna Henningsen Reviewed-By: Yongsheng Zhang Reviewed-By: Colin Ihrig Reviewed-By: Trivikram Kamat Reviewed-By: James M Snell Reviewed-By: Rich Trott --- test/parallel/test-worker-fs-stat-watcher.js | 1 - 1 file changed, 1 deletion(-) diff --git a/test/parallel/test-worker-fs-stat-watcher.js b/test/parallel/test-worker-fs-stat-watcher.js index b58d43d0cfa8ea..c648792af755e4 100644 --- a/test/parallel/test-worker-fs-stat-watcher.js +++ b/test/parallel/test-worker-fs-stat-watcher.js @@ -1,4 +1,3 @@ -// Flags: --experimental-worker 'use strict'; const common = require('../common'); const { Worker, parentPort } = require('worker_threads'); From 70d586f64a8098238a6eccfe9959a2bbf2efac72 Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Wed, 29 Jan 2020 16:43:40 +0000 Subject: [PATCH 123/224] benchmark: add MessagePort benchmark Add a raw `MessagePort` benchmark that does not ping back and forth between different threads, unlike the `echo.js` benchmark, as there are some performance differences between single-threaded and multi- threaded operation, and a single-threaded Environment can be somewhat easier to work with when profiling. PR-URL: https://github.com/nodejs/node/pull/31568 Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Denys Otrishko Reviewed-By: Rich Trott --- benchmark/worker/messageport.js | 42 +++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 benchmark/worker/messageport.js diff --git a/benchmark/worker/messageport.js b/benchmark/worker/messageport.js new file mode 100644 index 00000000000000..8e2ddae73ff3ab --- /dev/null +++ b/benchmark/worker/messageport.js @@ -0,0 +1,42 @@ +'use strict'; + +const common = require('../common.js'); +const { MessageChannel } = require('worker_threads'); +const bench = common.createBenchmark(main, { + payload: ['string', 'object'], + n: [1e6] +}); + +function main(conf) { + const n = conf.n; + let payload; + + switch (conf.payload) { + case 'string': + payload = 'hello world!'; + break; + case 'object': + payload = { action: 'pewpewpew', powerLevel: 9001 }; + break; + default: + throw new Error('Unsupported payload type'); + } + + const { port1, port2 } = new MessageChannel(); + + let messages = 0; + port2.onmessage = () => { + if (messages++ === n) { + bench.end(n); + port1.close(); + } else { + write(); + } + }; + bench.start(); + write(); + + function write() { + port1.postMessage(payload); + } +} From f01e61144850617fc2d111235afb85e3e29d6625 Mon Sep 17 00:00:00 2001 From: Rusty Conover Date: Mon, 27 Jan 2020 14:16:11 -0500 Subject: [PATCH 124/224] doc: clarify socket.setNoDelay() explanation Change the description of socket.setNoDelay() to make it clear that sockets have Nagle's algorithm enabled by default. Better document the tradeoff of having the algorithm enabled. Explain the behavior of the function based on the passed arguments. PR-URL: https://github.com/nodejs/node/pull/31541 Reviewed-By: Denys Otrishko Reviewed-By: James M Snell Reviewed-By: Rich Trott --- doc/api/net.md | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/doc/api/net.md b/doc/api/net.md index 02e3a06f4b25a7..834fef31fbd515 100644 --- a/doc/api/net.md +++ b/doc/api/net.md @@ -879,9 +879,16 @@ added: v0.1.90 * `noDelay` {boolean} **Default:** `true` * Returns: {net.Socket} The socket itself. -Disables the Nagle algorithm. By default TCP connections use the Nagle -algorithm, they buffer data before sending it off. Setting `true` for -`noDelay` will immediately fire off data each time `socket.write()` is called. +Enable/disable the use of Nagle's algorithm. + +When a TCP connection is created, it will have Nagle's algorithm enabled. + +Nagle's algorithm delays data before it is sent via the network. It attempts +to optimize throughput at the expense of latency. + +Passing `true` for `noDelay` or not passing an argument will disable Nagle's +algorithm for the socket. Passing `false` for `noDelay` will enable Nagle's +algorithm. ### `socket.setTimeout(timeout[, callback])` * **Version**: * **Platform**: * **Subsystem**: - +### What steps will reproduce the bug? + + + +### How often does it reproduce? Is there a required condition? + +### What is the expected behavior? + + + +### What do you see instead? + + + +### Additional information + + From 8a6c09a05f7ea48e7e972302614250629ad7ec4d Mon Sep 17 00:00:00 2001 From: James M Snell Date: Wed, 5 Feb 2020 17:57:07 -0800 Subject: [PATCH 139/224] meta: fix collaborator list errors in README.md Add missing `-` characters in the list. PR-URL: https://github.com/nodejs/node/pull/31655 Reviewed-By: Rich Trott Reviewed-By: Yuta Hiroto Reviewed-By: Colin Ihrig --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 2b13289499bc2d..fdc192fa307e90 100644 --- a/README.md +++ b/README.md @@ -353,7 +353,7 @@ For information about the governance of the Node.js project, see **Denys Otrishko** <shishugi@gmail.com> (he/him) * [maclover7](https://github.com/maclover7) - **Jon Moss** <me@jonathanmoss.me> (he/him) -* [mafintosh](https://github.com/mafintosh) +* [mafintosh](https://github.com/mafintosh) - **Mathias Buus** <mathiasbuus@gmail.com> (he/him) * [mcollina](https://github.com/mcollina) - **Matteo Collina** <matteo.collina@gmail.com> (he/him) @@ -385,7 +385,7 @@ For information about the governance of the Node.js project, see **Refael Ackermann (רפאל פלחי)** <refack@gmail.com> (he/him/הוא/אתה) * [richardlau](https://github.com/richardlau) - **Richard Lau** <riclau@uk.ibm.com> -* [ronag](https://github.com/ronag) +* [ronag](https://github.com/ronag) - **Robert Nagy** <ronagy@icloud.com> * [ronkorving](https://github.com/ronkorving) - **Ron Korving** <ron@ronkorving.nl> From 73fb133b17acb6ae87d12010fe32b7f313ac496a Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Sat, 1 Feb 2020 23:07:53 +0100 Subject: [PATCH 140/224] test: fix flaky test-http2-stream-destroy-event-order Alternative to https://github.com/nodejs/node/pull/31590. It appears that the issue here is that the test falsely assumed that closing the client (which also currently destroys the socket rather than gracefully shutting down the connection) would still leave enough time for the server side to receive the stream error. Address that by explicitly waiting for the server side to receive the stream error before closing the client and the connection with it. Refs: https://github.com/nodejs/node/pull/31590 Refs: https://github.com/nodejs/node/issues/20750 PR-URL: https://github.com/nodejs/node/pull/31610 Reviewed-By: Richard Lau Reviewed-By: Colin Ihrig Reviewed-By: Denys Otrishko Reviewed-By: James M Snell Reviewed-By: Luigi Pinca Reviewed-By: Rich Trott --- test/parallel/parallel.status | 3 --- test/parallel/test-http2-stream-destroy-event-order.js | 5 ++--- 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/test/parallel/parallel.status b/test/parallel/parallel.status index 15b547da1b15b5..76be70115dc458 100644 --- a/test/parallel/parallel.status +++ b/test/parallel/parallel.status @@ -22,9 +22,6 @@ test-http2-multistream-destroy-on-read-tls: PASS,FLAKY # https://github.com/nodejs/node/issues/20750 test-http2-pipe: PASS,FLAKY # https://github.com/nodejs/node/issues/20750 -# https://github.com/nodejs/node/pull/31590 -test-http2-stream-destroy-event-order: PASS,FLAKY -# https://github.com/nodejs/node/issues/20750 test-stream-pipeline-http2: PASS,FLAKY # https://github.com/nodejs/node/issues/24497 test-timers-immediate-queue: PASS,FLAKY diff --git a/test/parallel/test-http2-stream-destroy-event-order.js b/test/parallel/test-http2-stream-destroy-event-order.js index 88e4a99f99eee3..8fcbbabe3ce904 100644 --- a/test/parallel/test-http2-stream-destroy-event-order.js +++ b/test/parallel/test-http2-stream-destroy-event-order.js @@ -10,6 +10,7 @@ let req; const server = http2.createServer(); server.on('stream', common.mustCall((stream) => { stream.on('error', common.mustCall(() => { + client.close(); stream.on('close', common.mustCall(() => { server.close(); })); @@ -22,8 +23,6 @@ server.listen(0, common.mustCall(() => { req = client.request(); req.resume(); req.on('error', common.mustCall(() => { - req.on('close', common.mustCall(() => { - client.close(); - })); + req.on('close', common.mustCall()); })); })); From 71c18589dd552b38a5785b810863836d8bd73dc6 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 4 Feb 2020 09:41:55 -0800 Subject: [PATCH 141/224] doc,assert: rename "mode" to "assertion mode" Rename "strict mode" in the assert module to "strict assertion mode". This is to avoid confusion with the more typical meaning of "strict mode" in ECMAScript. This necessitates a corresponding change of "legacy mode" to "legacy assertion mode". PR-URL: https://github.com/nodejs/node/pull/31635 Reviewed-By: Colin Ihrig Reviewed-By: Anna Henningsen Reviewed-By: Luigi Pinca Reviewed-By: James M Snell Reviewed-By: Ruben Bridgewater --- doc/api/assert.md | 52 +++++++++++++++++++++++++---------------------- 1 file changed, 28 insertions(+), 24 deletions(-) diff --git a/doc/api/assert.md b/doc/api/assert.md index 2938b1ee779c12..af23ea7f5afead 100644 --- a/doc/api/assert.md +++ b/doc/api/assert.md @@ -5,8 +5,8 @@ > Stability: 2 - Stable The `assert` module provides a set of assertion functions for verifying -invariants. The module provides a recommended [`strict` mode][] and a more -lenient legacy mode. +invariants. The module provides a recommended [strict assertion mode][] +and a more lenient legacy assertion mode. ## Class: assert.AssertionError @@ -68,26 +68,30 @@ try { } ``` -## Strict mode +## Strict assertion mode -In `strict` mode (not to be confused with `"use strict"`), `assert` functions -use the comparison in the corresponding strict functions. For example, -[`assert.deepEqual()`][] will behave like [`assert.deepStrictEqual()`][]. +In strict assertion mode, `assert` functions use the comparison in the +corresponding strict functions. For example, [`assert.deepEqual()`][] will +behave like [`assert.deepStrictEqual()`][]. -In `strict` mode, error messages for objects display a diff. In legacy mode, -error messages for objects display the objects, often truncated. +In strict assertion mode, error messages for objects display a diff. In legacy +assertion mode, error messages for objects display the objects, often truncated. -To use `strict` mode: +To use strict assertion mode: ```js const assert = require('assert').strict; @@ -121,22 +125,22 @@ This will also deactivate the colors in the REPL. For more on the color support in terminal environments, read the tty [getColorDepth()](tty.html#tty_writestream_getcolordepth_env) doc. -## Legacy mode +## Legacy assertion mode -Legacy mode uses the [Abstract Equality Comparison][] in: +Legacy assertion mode uses the [Abstract Equality Comparison][] in: * [`assert.deepEqual()`][] * [`assert.equal()`][] * [`assert.notDeepEqual()`][] * [`assert.notEqual()`][] -To use legacy mode: +To use legacy assertion mode: ```js const assert = require('assert'); ``` -Whenever possible, use the [`strict` mode][] instead. Otherwise, the +Whenever possible, use the [strict assertion mode][] instead. Otherwise, the [Abstract Equality Comparison][] may cause surprising results. This is especially true for [`assert.deepEqual()`][], where the comparison rules are lax: @@ -185,11 +189,11 @@ changes: * `expected` {any} * `message` {string|Error} -**Strict mode** +**Strict assertion mode** An alias of [`assert.deepStrictEqual()`][]. -**Legacy mode** +**Legacy assertion mode** > Stability: 0 - Deprecated: Use [`assert.deepStrictEqual()`][] instead. @@ -596,11 +600,11 @@ added: v0.1.21 * `expected` {any} * `message` {string|Error} -**Strict mode** +**Strict assertion mode** An alias of [`assert.strictEqual()`][]. -**Legacy mode** +**Legacy assertion mode** > Stability: 0 - Deprecated: Use [`assert.strictEqual()`][] instead. @@ -825,11 +829,11 @@ changes: * `expected` {any} * `message` {string|Error} -**Strict mode** +**Strict assertion mode** An alias of [`assert.notDeepStrictEqual()`][]. -**Legacy mode** +**Legacy assertion mode** > Stability: 0 - Deprecated: Use [`assert.notDeepStrictEqual()`][] instead. @@ -931,11 +935,11 @@ added: v0.1.21 * `expected` {any} * `message` {string|Error} -**Strict mode** +**Strict assertion mode** An alias of [`assert.notStrictEqual()`][]. -**Legacy mode** +**Legacy assertion mode** > Stability: 0 - Deprecated: Use [`assert.notStrictEqual()`][] instead. @@ -1395,7 +1399,7 @@ argument. [`assert.ok()`]: #assert_assert_ok_value_message [`assert.strictEqual()`]: #assert_assert_strictequal_actual_expected_message [`assert.throws()`]: #assert_assert_throws_fn_error_message -[`strict` mode]: #assert_strict_mode +[strict assertion mode]: #assert_strict_assertion_mode [Abstract Equality Comparison]: https://tc39.github.io/ecma262/#sec-abstract-equality-comparison [Object wrappers]: https://developer.mozilla.org/en-US/docs/Glossary/Primitive#Primitive_wrapper_objects_in_JavaScript [Object.prototype.toString()]: https://tc39.github.io/ecma262/#sec-object.prototype.tostring From 63bb634aa0e3e872ef9d31655bdb3e3e60f0c66e Mon Sep 17 00:00:00 2001 From: Gabriel Schulhof Date: Mon, 3 Feb 2020 20:46:37 -0800 Subject: [PATCH 142/224] n-api: free instance data as reference Instance data associated with a `napi_env` is no longer stored on the env itself but is instead rendered as a reference. Since `v8impl::Reference` is tied to a JS object, this modification factors out the `v8impl::Reference` refcounting and the deletion process into a base class for `v8impl::Reference`, called `v8impl::RefBase`. The instance data is then stored as a `v8impl::RefBase`, along with other references, preventing a segfault that arises from the fact that, up until now, upon `napi_env` destruction, the instance data was freed after all references had already been forcefully freed. If the addon freed a reference during the `napi_set_instance_data` finalizer callback, such a reference had already been freed during environment teardown, causing a double free. Re: https://github.com/nodejs/node-addon-api/pull/663 PR-URL: https://github.com/nodejs/node/pull/31638 Reviewed-By: Anna Henningsen Reviewed-By: David Carlier --- src/js_native_api_v8.cc | 169 +++++++++++------- src/js_native_api_v8.h | 54 ++++-- src/js_native_api_v8_internals.h | 39 ---- test/node-api/test_instance_data/addon.c | 23 +++ test/node-api/test_instance_data/binding.gyp | 16 +- test/node-api/test_instance_data/test.js | 20 +++ .../test_instance_data/test_ref_then_set.c | 11 ++ .../test_instance_data/test_set_then_ref.c | 11 ++ 8 files changed, 232 insertions(+), 111 deletions(-) create mode 100644 test/node-api/test_instance_data/addon.c create mode 100644 test/node-api/test_instance_data/test_ref_then_set.c create mode 100644 test/node-api/test_instance_data/test_set_then_ref.c diff --git a/src/js_native_api_v8.cc b/src/js_native_api_v8.cc index 1889a22d28d8a8..d26b28dd0df4e8 100644 --- a/src/js_native_api_v8.cc +++ b/src/js_native_api_v8.cc @@ -186,49 +186,41 @@ inline static napi_status ConcludeDeferred(napi_env env, } // Wrapper around v8impl::Persistent that implements reference counting. -class Reference : protected Finalizer, RefTracker { +class RefBase : protected Finalizer, RefTracker { protected: - Reference(napi_env env, - v8::Local value, - uint32_t initial_refcount, - bool delete_self, - napi_finalize finalize_callback, - void* finalize_data, - void* finalize_hint) + RefBase(napi_env env, + uint32_t initial_refcount, + bool delete_self, + napi_finalize finalize_callback, + void* finalize_data, + void* finalize_hint) : Finalizer(env, finalize_callback, finalize_data, finalize_hint), - _persistent(env->isolate, value), _refcount(initial_refcount), _delete_self(delete_self) { - if (initial_refcount == 0) { - _persistent.SetWeak( - this, FinalizeCallback, v8::WeakCallbackType::kParameter); - } Link(finalize_callback == nullptr ? &env->reflist : &env->finalizing_reflist); } public: - void* Data() { + static RefBase* New(napi_env env, + uint32_t initial_refcount, + bool delete_self, + napi_finalize finalize_callback, + void* finalize_data, + void* finalize_hint) { + return new RefBase(env, + initial_refcount, + delete_self, + finalize_callback, + finalize_data, + finalize_hint); + } + + inline void* Data() { return _finalize_data; } - static Reference* New(napi_env env, - v8::Local value, - uint32_t initial_refcount, - bool delete_self, - napi_finalize finalize_callback = nullptr, - void* finalize_data = nullptr, - void* finalize_hint = nullptr) { - return new Reference(env, - value, - initial_refcount, - delete_self, - finalize_callback, - finalize_data, - finalize_hint); - } - // Delete is called in 2 ways. Either from the finalizer or // from one of Unwrap or napi_delete_reference. // @@ -244,7 +236,7 @@ class Reference : protected Finalizer, RefTracker { // The second way this is called is from // the finalizer and _delete_self is set. In this case we // know we need to do the deletion so just do it. - static void Delete(Reference* reference) { + static inline void Delete(RefBase* reference) { reference->Unlink(); if ((reference->RefCount() != 0) || (reference->_delete_self) || @@ -257,40 +249,23 @@ class Reference : protected Finalizer, RefTracker { } } - uint32_t Ref() { - if (++_refcount == 1) { - _persistent.ClearWeak(); - } - - return _refcount; + inline uint32_t Ref() { + return ++_refcount; } - uint32_t Unref() { + inline uint32_t Unref() { if (_refcount == 0) { return 0; } - if (--_refcount == 0) { - _persistent.SetWeak( - this, FinalizeCallback, v8::WeakCallbackType::kParameter); - } - - return _refcount; + return --_refcount; } - uint32_t RefCount() { + inline uint32_t RefCount() { return _refcount; } - v8::Local Get() { - if (_persistent.IsEmpty()) { - return v8::Local(); - } else { - return v8::Local::New(_env->isolate, _persistent); - } - } - protected: - void Finalize(bool is_env_teardown = false) override { + inline void Finalize(bool is_env_teardown = false) override { if (_finalize_callback != nullptr) { _env->CallIntoModuleThrow([&](napi_env env) { _finalize_callback( @@ -310,6 +285,68 @@ class Reference : protected Finalizer, RefTracker { } } + private: + uint32_t _refcount; + bool _delete_self; +}; + +class Reference : public RefBase { + protected: + template + Reference(napi_env env, + v8::Local value, + Args&&... args) + : RefBase(env, std::forward(args)...), + _persistent(env->isolate, value) { + if (RefCount() == 0) { + _persistent.SetWeak( + this, FinalizeCallback, v8::WeakCallbackType::kParameter); + } + } + + public: + static inline Reference* New(napi_env env, + v8::Local value, + uint32_t initial_refcount, + bool delete_self, + napi_finalize finalize_callback = nullptr, + void* finalize_data = nullptr, + void* finalize_hint = nullptr) { + return new Reference(env, + value, + initial_refcount, + delete_self, + finalize_callback, + finalize_data, + finalize_hint); + } + + inline uint32_t Ref() { + uint32_t refcount = RefBase::Ref(); + if (refcount == 1) { + _persistent.ClearWeak(); + } + return refcount; + } + + inline uint32_t Unref() { + uint32_t old_refcount = RefCount(); + uint32_t refcount = RefBase::Unref(); + if (old_refcount == 1 && refcount == 0) { + _persistent.SetWeak( + this, FinalizeCallback, v8::WeakCallbackType::kParameter); + } + return refcount; + } + + inline v8::Local Get() { + if (_persistent.IsEmpty()) { + return v8::Local(); + } else { + return v8::Local::New(_env->isolate, _persistent); + } + } + private: // The N-API finalizer callback may make calls into the engine. V8's heap is // not in a consistent state during the weak callback, and therefore it does @@ -332,8 +369,6 @@ class Reference : protected Finalizer, RefTracker { } v8impl::Persistent _persistent; - uint32_t _refcount; - bool _delete_self; }; class ArrayBufferReference final : public Reference { @@ -354,7 +389,7 @@ class ArrayBufferReference final : public Reference { } private: - void Finalize(bool is_env_teardown) override { + inline void Finalize(bool is_env_teardown) override { if (is_env_teardown) { v8::HandleScope handle_scope(_env->isolate); v8::Local ab = Get(); @@ -3023,9 +3058,19 @@ napi_status napi_set_instance_data(napi_env env, void* finalize_hint) { CHECK_ENV(env); - env->instance_data.data = data; - env->instance_data.finalize_cb = finalize_cb; - env->instance_data.hint = finalize_hint; + v8impl::RefBase* old_data = static_cast(env->instance_data); + if (old_data != nullptr) { + // Our contract so far has been to not finalize any old data there may be. + // So we simply delete it. + v8impl::RefBase::Delete(old_data); + } + + env->instance_data = v8impl::RefBase::New(env, + 0, + true, + finalize_cb, + data, + finalize_hint); return napi_clear_last_error(env); } @@ -3035,7 +3080,9 @@ napi_status napi_get_instance_data(napi_env env, CHECK_ENV(env); CHECK_ARG(env, data); - *data = env->instance_data.data; + v8impl::RefBase* idata = static_cast(env->instance_data); + + *data = (idata == nullptr ? nullptr : idata->Data()); return napi_clear_last_error(env); } diff --git a/src/js_native_api_v8.h b/src/js_native_api_v8.h index 0d5424cccaddf0..ec397275164c8d 100644 --- a/src/js_native_api_v8.h +++ b/src/js_native_api_v8.h @@ -8,6 +8,49 @@ static napi_status napi_clear_last_error(napi_env env); +namespace v8impl { + +class RefTracker { + public: + RefTracker() {} + virtual ~RefTracker() {} + virtual void Finalize(bool isEnvTeardown) {} + + typedef RefTracker RefList; + + inline void Link(RefList* list) { + prev_ = list; + next_ = list->next_; + if (next_ != nullptr) { + next_->prev_ = this; + } + list->next_ = this; + } + + inline void Unlink() { + if (prev_ != nullptr) { + prev_->next_ = next_; + } + if (next_ != nullptr) { + next_->prev_ = prev_; + } + prev_ = nullptr; + next_ = nullptr; + } + + static void FinalizeAll(RefList* list) { + while (list->next_ != nullptr) { + list->next_->Finalize(true); + } + } + + private: + RefList* next_ = nullptr; + RefList* prev_ = nullptr; +}; + +} // end of namespace v8impl + struct napi_env__ { explicit napi_env__(v8::Local context) : isolate(context->GetIsolate()), @@ -22,11 +65,6 @@ struct napi_env__ { // `napi_finalizer` deleted them subsequently. v8impl::RefTracker::FinalizeAll(&finalizing_reflist); v8impl::RefTracker::FinalizeAll(&reflist); - if (instance_data.finalize_cb != nullptr) { - CallIntoModuleThrow([&](napi_env env) { - instance_data.finalize_cb(env, instance_data.data, instance_data.hint); - }); - } } v8::Isolate* const isolate; // Shortcut for context()->GetIsolate() v8impl::Persistent context_persistent; @@ -76,11 +114,7 @@ struct napi_env__ { int open_handle_scopes = 0; int open_callback_scopes = 0; int refs = 1; - struct { - void* data = nullptr; - void* hint = nullptr; - napi_finalize finalize_cb = nullptr; - } instance_data; + void* instance_data = nullptr; }; static inline napi_status napi_clear_last_error(napi_env env) { diff --git a/src/js_native_api_v8_internals.h b/src/js_native_api_v8_internals.h index 74afd1172e527e..ddd219818cdfa9 100644 --- a/src/js_native_api_v8_internals.h +++ b/src/js_native_api_v8_internals.h @@ -28,45 +28,6 @@ namespace v8impl { -class RefTracker { - public: - RefTracker() {} - virtual ~RefTracker() {} - virtual void Finalize(bool isEnvTeardown) {} - - typedef RefTracker RefList; - - inline void Link(RefList* list) { - prev_ = list; - next_ = list->next_; - if (next_ != nullptr) { - next_->prev_ = this; - } - list->next_ = this; - } - - inline void Unlink() { - if (prev_ != nullptr) { - prev_->next_ = next_; - } - if (next_ != nullptr) { - next_->prev_ = prev_; - } - prev_ = nullptr; - next_ = nullptr; - } - - static void FinalizeAll(RefList* list) { - while (list->next_ != nullptr) { - list->next_->Finalize(true); - } - } - - private: - RefList* next_ = nullptr; - RefList* prev_ = nullptr; -}; - template using Persistent = v8::Global; diff --git a/test/node-api/test_instance_data/addon.c b/test/node-api/test_instance_data/addon.c new file mode 100644 index 00000000000000..928b4dfaf8e11e --- /dev/null +++ b/test/node-api/test_instance_data/addon.c @@ -0,0 +1,23 @@ +#include +#include +#define NAPI_EXPERIMENTAL +#include + +static void addon_free(napi_env env, void* data, void* hint) { + napi_ref* ref = data; + napi_delete_reference(env, *ref); + free(ref); + fprintf(stderr, "addon_free"); +} + +napi_value addon_new(napi_env env, napi_value exports, bool ref_first) { + napi_ref* ref = malloc(sizeof(*ref)); + if (ref_first) { + napi_create_reference(env, exports, 1, ref); + napi_set_instance_data(env, ref, addon_free, NULL); + } else { + napi_set_instance_data(env, ref, addon_free, NULL); + napi_create_reference(env, exports, 1, ref); + } + return exports; +} diff --git a/test/node-api/test_instance_data/binding.gyp b/test/node-api/test_instance_data/binding.gyp index 0d55905e9e7236..eb20531269e0f8 100644 --- a/test/node-api/test_instance_data/binding.gyp +++ b/test/node-api/test_instance_data/binding.gyp @@ -5,6 +5,20 @@ "sources": [ "test_instance_data.c" ] - } + }, + { + "target_name": "test_set_then_ref", + "sources": [ + "addon.c", + "test_set_then_ref.c", + ] + }, + { + "target_name": "test_ref_then_set", + "sources": [ + "addon.c", + "test_ref_then_set.c", + ] + }, ] } diff --git a/test/node-api/test_instance_data/test.js b/test/node-api/test_instance_data/test.js index 969c164afdad58..7dc3f4b3176877 100644 --- a/test/node-api/test_instance_data/test.js +++ b/test/node-api/test_instance_data/test.js @@ -24,12 +24,32 @@ if (module.parent) { } else { // When launched as a script, run tests in either a child process or in a // worker thread. + const assert = require('assert'); const requireAs = require('../../common/require-as'); const runOptions = { stdio: ['inherit', 'pipe', 'inherit'] }; + const { spawnSync } = require('child_process'); // Run tests in a child process. requireAs(__filename, ['--expose-gc'], runOptions, 'child'); // Run tests in a worker thread in a child process. requireAs(__filename, ['--expose-gc'], runOptions, 'worker'); + + function testProcessExit(addonName) { + // Make sure that process exit is clean when the instance data has + // references to JS objects. + const path = require + .resolve(`./build/${common.buildType}/${addonName}`) + // Replace any backslashes with double backslashes because they'll be re- + // interpreted back to single backslashes in the command line argument + // to the child process. Windows needs this. + .replace(/\\/g, '\\\\'); + const child = spawnSync(process.execPath, ['-e', `require('${path}');`]); + assert.strictEqual(child.signal, null); + assert.strictEqual(child.status, 0); + assert.strictEqual(child.stderr.toString(), 'addon_free'); + } + + testProcessExit('test_ref_then_set'); + testProcessExit('test_set_then_ref'); } diff --git a/test/node-api/test_instance_data/test_ref_then_set.c b/test/node-api/test_instance_data/test_ref_then_set.c new file mode 100644 index 00000000000000..a0df1e5b9f8a64 --- /dev/null +++ b/test/node-api/test_instance_data/test_ref_then_set.c @@ -0,0 +1,11 @@ +#include +#include +#define NAPI_EXPERIMENTAL +#include + +napi_value addon_new(napi_env env, napi_value exports, bool ref_first); + +// static napi_value +NAPI_MODULE_INIT(/*napi_env env, napi_value exports */) { + return addon_new(env, exports, true); +} diff --git a/test/node-api/test_instance_data/test_set_then_ref.c b/test/node-api/test_instance_data/test_set_then_ref.c new file mode 100644 index 00000000000000..6ebed2d1e86871 --- /dev/null +++ b/test/node-api/test_instance_data/test_set_then_ref.c @@ -0,0 +1,11 @@ +#include +#include +#define NAPI_EXPERIMENTAL +#include + +napi_value addon_new(napi_env env, napi_value exports, bool ref_first); + +// static napi_value +NAPI_MODULE_INIT(/*napi_env env, napi_value exports */) { + return addon_new(env, exports, false); +} From bde485e2a69edc9015fbe16e0f5a1ae14cf1afae Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 4 Feb 2020 14:03:25 -0800 Subject: [PATCH 143/224] test: add test-dns-promises-lookupService This adds covereage for the onlookupservice() callback in lib/internal/dns/promises.js. Because of stubbing in other tests, it is not currently covered. This test works on my local development machine with the network turned off, so I'm putting it in parallel. If CI proves more challenging, it can be moved to the internet directory instead. PR-URL: https://github.com/nodejs/node/pull/31640 Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Luigi Pinca Reviewed-By: Anna Henningsen Reviewed-By: Richard Lau --- .../test-dns-promises-lookupService.js | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 test/parallel/test-dns-promises-lookupService.js diff --git a/test/parallel/test-dns-promises-lookupService.js b/test/parallel/test-dns-promises-lookupService.js new file mode 100644 index 00000000000000..d7e50f194da8a1 --- /dev/null +++ b/test/parallel/test-dns-promises-lookupService.js @@ -0,0 +1,19 @@ +'use strict'; + +const common = require('../common'); + +const assert = require('assert'); +const dnsPromises = require('dns').promises; + +dnsPromises.lookupService('127.0.0.1', 22).then(common.mustCall((result) => { + assert.strictEqual(result.service, 'ssh'); + assert.strictEqual(typeof result.hostname, 'string'); + assert.notStrictEqual(result.hostname.length, 0); +})); + +// Use an IP from the RFC 5737 test range to cause an error. +// Refs: https://tools.ietf.org/html/rfc5737 +assert.rejects( + () => dnsPromises.lookupService('192.0.2.1', 22), + { code: /^(?:ENOTFOUND|EAI_AGAIN)$/ } +); From be3f62291fdc4b2e3609ee406fe1f2455c12caf6 Mon Sep 17 00:00:00 2001 From: tsabolov Date: Tue, 4 Feb 2020 11:51:13 +0100 Subject: [PATCH 144/224] doc: correct getting an ArrayBuffer's length MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit `ArrayBuffer` instances do not have `.length` property. Instead they have `.byteLength` property. Fixed that in the description of `new Buffer(arrayBuffer[, byteOffset[, length]])` and `Buffer.from(arrayBuffer[, byteOffset[, length]])`. PR-URL: https://github.com/nodejs/node/pull/31632 Reviewed-By: Anna Henningsen Reviewed-By: Yongsheng Zhang Reviewed-By: Gus Caplan Reviewed-By: James M Snell Reviewed-By: Michaël Zasso Reviewed-By: Colin Ihrig Reviewed-By: Luigi Pinca --- doc/api/buffer.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/api/buffer.md b/doc/api/buffer.md index f033f8a20ae9dc..0d7dee9df4528a 100644 --- a/doc/api/buffer.md +++ b/doc/api/buffer.md @@ -384,7 +384,7 @@ changes: [`SharedArrayBuffer`][] or the `.buffer` property of a [`TypedArray`][]. * `byteOffset` {integer} Index of first byte to expose. **Default:** `0`. * `length` {integer} Number of bytes to expose. - **Default:** `arrayBuffer.length - byteOffset`. + **Default:** `arrayBuffer.byteLength - byteOffset`. This creates a view of the [`ArrayBuffer`][] or [`SharedArrayBuffer`][] without copying the underlying memory. For example, when passed a reference to the @@ -830,7 +830,7 @@ added: v5.10.0 [`SharedArrayBuffer`][], or the `.buffer` property of a [`TypedArray`][]. * `byteOffset` {integer} Index of first byte to expose. **Default:** `0`. * `length` {integer} Number of bytes to expose. - **Default:** `arrayBuffer.length - byteOffset`. + **Default:** `arrayBuffer.byteLength - byteOffset`. This creates a view of the [`ArrayBuffer`][] without copying the underlying memory. For example, when passed a reference to the `.buffer` property of a From 44235dbc1b5ec276e99541d31058f6cea07c7656 Mon Sep 17 00:00:00 2001 From: Joyee Cheung Date: Thu, 6 Feb 2020 10:24:33 +0800 Subject: [PATCH 145/224] doc: remove .github/ISSUE_TEMPLATE.md in favor of the template folder This removes the obsolete issue template file since we already have the issue template folder which is the one currently in effect. PR-URL: https://github.com/nodejs/node/pull/31656 Refs: https://github.com/nodejs/node/pull/31611 Reviewed-By: Rich Trott Reviewed-By: James M Snell Reviewed-By: Ruben Bridgewater Reviewed-By: Luigi Pinca Reviewed-By: Colin Ihrig --- .github/ISSUE_TEMPLATE.md | 45 -------------------------- .github/ISSUE_TEMPLATE/1-bug-report.md | 41 +++++++++++++++++++---- 2 files changed, 34 insertions(+), 52 deletions(-) delete mode 100644 .github/ISSUE_TEMPLATE.md diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md deleted file mode 100644 index 02ee3f751528d0..00000000000000 --- a/.github/ISSUE_TEMPLATE.md +++ /dev/null @@ -1,45 +0,0 @@ - - -* **Version**: -* **Platform**: -* **Subsystem**: - -### What steps will reproduce the bug? - - - -### How often does it reproduce? Is there a required condition? - -### What is the expected behavior? - - - -### What do you see instead? - - - -### Additional information - - diff --git a/.github/ISSUE_TEMPLATE/1-bug-report.md b/.github/ISSUE_TEMPLATE/1-bug-report.md index 69b9bf63250f7b..2a2e94d411fe2a 100644 --- a/.github/ISSUE_TEMPLATE/1-bug-report.md +++ b/.github/ISSUE_TEMPLATE/1-bug-report.md @@ -5,20 +5,47 @@ about: Create a report to help us improve --- * **Version**: * **Platform**: * **Subsystem**: - +### What steps will reproduce the bug? + + + +### How often does it reproduce? Is there a required condition? + +### What is the expected behavior? + + + +### What do you see instead? + + + +### Additional information + + From bf574158d518549ec8299fe924e1b3463d7a1f87 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tobias=20Nie=C3=9Fen?= Date: Wed, 5 Feb 2020 13:43:27 -0400 Subject: [PATCH 146/224] doc: update TSC name in "Release Process" PR-URL: https://github.com/nodejs/node/pull/31652 Reviewed-By: Beth Griggs Reviewed-By: Richard Lau Reviewed-By: Colin Ihrig Reviewed-By: Luigi Pinca Reviewed-By: Ruben Bridgewater --- doc/releases.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/releases.md b/doc/releases.md index 0fc7fb6220fa70..59296fbd937788 100644 --- a/doc/releases.md +++ b/doc/releases.md @@ -2,7 +2,7 @@ This document describes the technical aspects of the Node.js release process. The intended audience is those who have been authorized by the Node.js -Foundation Technical Steering Committee (TSC) to create, promote, and sign +Technical Steering Committee (TSC) to create, promote, and sign official release builds for Node.js, hosted on . ## Table of Contents From 190f0fd8e6b22230e0d2df8a78405e987cf5cb85 Mon Sep 17 00:00:00 2001 From: James M Snell Date: Wed, 5 Feb 2020 09:17:22 -0800 Subject: [PATCH 147/224] src: various minor improvements to node_url Went hunting for possible performance improvements. Didn't find anything significant but did manage to make a number of style improvements that bring more in line with style guidelines and good pratice. PR-URL: https://github.com/nodejs/node/pull/31651 Reviewed-By: Anna Henningsen Reviewed-By: Colin Ihrig --- src/env.h | 7 ++ src/node_url.cc | 245 +++++++++++++++++++++++++----------------------- src/node_url.h | 4 +- 3 files changed, 138 insertions(+), 118 deletions(-) diff --git a/src/env.h b/src/env.h index d249dc25f5d3b3..f6f68a37681ff6 100644 --- a/src/env.h +++ b/src/env.h @@ -371,6 +371,13 @@ constexpr size_t kFsStatsBufferLength = V(type_string, "type") \ V(uid_string, "uid") \ V(unknown_string, "") \ + V(url_special_ftp_string, "ftp:") \ + V(url_special_file_string, "file:") \ + V(url_special_gopher_string, "gopher:") \ + V(url_special_http_string, "http:") \ + V(url_special_https_string, "https:") \ + V(url_special_ws_string, "ws:") \ + V(url_special_wss_string, "wss:") \ V(url_string, "url") \ V(username_string, "username") \ V(valid_from_string, "valid_from") \ diff --git a/src/node_url.cc b/src/node_url.cc index 6565688d02e5e0..d3513f095c8294 100644 --- a/src/node_url.cc +++ b/src/node_url.cc @@ -30,7 +30,7 @@ using v8::String; using v8::Undefined; using v8::Value; -inline Local Utf8String(Isolate* isolate, const std::string& str) { +Local Utf8String(Isolate* isolate, const std::string& str) { return String::NewFromUtf8(isolate, str.data(), NewStringType::kNormal, @@ -42,10 +42,10 @@ namespace url { namespace { // https://url.spec.whatwg.org/#eof-code-point -const char kEOL = -1; +constexpr char kEOL = -1; // Used in ToUSVString(). -const char16_t kUnicodeReplacementCharacter = 0xFFFD; +constexpr char16_t kUnicodeReplacementCharacter = 0xFFFD; // https://url.spec.whatwg.org/#concept-host class URLHost { @@ -60,7 +60,7 @@ class URLHost { bool is_special, bool unicode = false); - inline bool ParsingFailed() const { return type_ == HostType::H_FAILED; } + bool ParsingFailed() const { return type_ == HostType::H_FAILED; } std::string ToString() const; // Like ToString(), but avoids a copy in exchange for invalidating `*this`. std::string ToStringMove(); @@ -86,7 +86,7 @@ class URLHost { Value value_; HostType type_ = HostType::H_FAILED; - inline void Reset() { + void Reset() { using string = std::string; switch (type_) { case HostType::H_DOMAIN: @@ -107,13 +107,13 @@ class URLHost { // internals too much. // These helpers are the easiest solution but we might want to consider // just not forcing strings into an union. - inline void SetOpaque(std::string&& string) { + void SetOpaque(std::string&& string) { Reset(); type_ = HostType::H_OPAQUE; new(&value_.domain_or_opaque) std::string(std::move(string)); } - inline void SetDomain(std::string&& string) { + void SetDomain(std::string&& string) { Reset(); type_ = HostType::H_DOMAIN; new(&value_.domain_or_opaque) std::string(std::move(string)); @@ -154,7 +154,7 @@ enum url_error_cb_args { #define CHAR_TEST(bits, name, expr) \ template \ - inline bool name(const T ch) { \ + bool name(const T ch) { \ static_assert(sizeof(ch) >= (bits) / 8, \ "Character must be wider than " #bits " bits"); \ return (expr); \ @@ -162,13 +162,13 @@ enum url_error_cb_args { #define TWO_CHAR_STRING_TEST(bits, name, expr) \ template \ - inline bool name(const T ch1, const T ch2) { \ + bool name(const T ch1, const T ch2) { \ static_assert(sizeof(ch1) >= (bits) / 8, \ "Character must be wider than " #bits " bits"); \ return (expr); \ } \ template \ - inline bool name(const std::basic_string& str) { \ + bool name(const std::basic_string& str) { \ static_assert(sizeof(str[0]) >= (bits) / 8, \ "Character must be wider than " #bits " bits"); \ return str.length() >= 2 && name(str[0], str[1]); \ @@ -197,7 +197,7 @@ CHAR_TEST(8, IsASCIIAlphanumeric, (IsASCIIDigit(ch) || IsASCIIAlpha(ch))) // https://infra.spec.whatwg.org/#ascii-lowercase template -inline T ASCIILowercase(T ch) { +T ASCIILowercase(T ch) { return IsASCIIAlpha(ch) ? (ch | 0x20) : ch; } @@ -667,13 +667,13 @@ const uint8_t QUERY_ENCODE_SET_SPECIAL[32] = { 0x01 | 0x02 | 0x04 | 0x08 | 0x10 | 0x20 | 0x40 | 0x80 }; -inline bool BitAt(const uint8_t a[], const uint8_t i) { +bool BitAt(const uint8_t a[], const uint8_t i) { return !!(a[i >> 3] & (1 << (i & 7))); } // Appends ch to str. If ch position in encode_set is set, the ch will // be percent-encoded then appended. -inline void AppendOrEscape(std::string* str, +void AppendOrEscape(std::string* str, const unsigned char ch, const uint8_t encode_set[]) { if (BitAt(encode_set, ch)) @@ -683,7 +683,7 @@ inline void AppendOrEscape(std::string* str, } template -inline unsigned hex2bin(const T ch) { +unsigned hex2bin(const T ch) { if (ch >= '0' && ch <= '9') return ch - '0'; if (ch >= 'A' && ch <= 'F') @@ -693,7 +693,7 @@ inline unsigned hex2bin(const T ch) { return static_cast(-1); } -inline std::string PercentDecode(const char* input, size_t len) { +std::string PercentDecode(const char* input, size_t len) { std::string dest; if (len == 0) return dest; @@ -703,7 +703,7 @@ inline std::string PercentDecode(const char* input, size_t len) { while (pointer < end) { const char ch = pointer[0]; - const size_t remaining = end - pointer - 1; + size_t remaining = end - pointer - 1; if (ch != '%' || remaining < 2 || (ch == '%' && (!IsASCIIHexDigit(pointer[1]) || @@ -723,24 +723,39 @@ inline std::string PercentDecode(const char* input, size_t len) { } #define SPECIALS(XX) \ - XX("ftp:", 21) \ - XX("file:", -1) \ - XX("gopher:", 70) \ - XX("http:", 80) \ - XX("https:", 443) \ - XX("ws:", 80) \ - XX("wss:", 443) - -inline bool IsSpecial(const std::string& scheme) { -#define XX(name, _) if (scheme == name) return true; - SPECIALS(XX); -#undef XX + XX(ftp, 21, "ftp:") \ + XX(file, -1, "file:") \ + XX(gopher, 70, "gopher:") \ + XX(http, 80, "http:") \ + XX(https, 443, "https:") \ + XX(ws, 80, "ws:") \ + XX(wss, 443, "wss:") + +bool IsSpecial(const std::string& scheme) { +#define V(_, __, name) if (scheme == name) return true; + SPECIALS(V); +#undef V return false; } +Local GetSpecial(Environment* env, const std::string& scheme) { +#define V(key, _, name) if (scheme == name) \ + return env->url_special_##key##_string(); + SPECIALS(V) +#undef V + UNREACHABLE(); +} + +int NormalizePort(const std::string& scheme, int p) { +#define V(_, port, name) if (scheme == name && p == port) return -1; + SPECIALS(V); +#undef V + return p; +} + // https://url.spec.whatwg.org/#start-with-a-windows-drive-letter -inline bool StartsWithWindowsDriveLetter(const char* p, const char* end) { - const size_t length = end - p; +bool StartsWithWindowsDriveLetter(const char* p, const char* end) { + size_t length = end - p; return length >= 2 && IsWindowsDriveLetter(p[0], p[1]) && (length == 2 || @@ -750,15 +765,8 @@ inline bool StartsWithWindowsDriveLetter(const char* p, const char* end) { p[2] == '#'); } -inline int NormalizePort(const std::string& scheme, int p) { -#define XX(name, port) if (scheme == name && p == port) return -1; - SPECIALS(XX); -#undef XX - return p; -} - #if defined(NODE_HAVE_I18N_SUPPORT) -inline bool ToUnicode(const std::string& input, std::string* output) { +bool ToUnicode(const std::string& input, std::string* output) { MaybeStackBuffer buf; if (i18n::ToUnicode(&buf, input.c_str(), input.length()) < 0) return false; @@ -766,7 +774,7 @@ inline bool ToUnicode(const std::string& input, std::string* output) { return true; } -inline bool ToASCII(const std::string& input, std::string* output) { +bool ToASCII(const std::string& input, std::string* output) { MaybeStackBuffer buf; if (i18n::ToASCII(&buf, input.c_str(), input.length()) < 0) return false; @@ -775,12 +783,12 @@ inline bool ToASCII(const std::string& input, std::string* output) { } #else // Intentional non-ops if ICU is not present. -inline bool ToUnicode(const std::string& input, std::string* output) { +bool ToUnicode(const std::string& input, std::string* output) { *output = input; return true; } -inline bool ToASCII(const std::string& input, std::string* output) { +bool ToASCII(const std::string& input, std::string* output) { *output = input; return true; } @@ -902,7 +910,7 @@ void URLHost::ParseIPv6Host(const char* input, size_t length) { type_ = HostType::H_IPV6; } -inline int64_t ParseNumber(const char* start, const char* end) { +int64_t ParseNumber(const char* start, const char* end) { unsigned R = 10; if (end - start >= 2 && start[0] == '0' && (start[1] | 0x20) == 'x') { start += 2; @@ -952,7 +960,7 @@ void URLHost::ParseIPv4Host(const char* input, size_t length, bool* is_ipv4) { while (pointer <= end) { const char ch = pointer < end ? pointer[0] : kEOL; - const int remaining = end - pointer - 1; + int remaining = end - pointer - 1; if (ch == '.' || ch == kEOL) { if (++parts > static_cast(arraysize(numbers))) return; @@ -1061,7 +1069,7 @@ void URLHost::ParseHost(const char* input, // Locates the longest sequence of 0 segments in an IPv6 address // in order to use the :: compression when serializing template -inline T* FindLongestZeroSequence(T* values, size_t len) { +T* FindLongestZeroSequence(T* values, size_t len) { T* start = values; T* end = start + len; T* result = nullptr; @@ -1173,14 +1181,12 @@ bool ParseHost(const std::string& input, return true; } -inline std::vector FromJSStringArray(Environment* env, - Local array) { +std::vector FromJSStringArray(Environment* env, + Local array) { std::vector vec; - const int32_t len = array->Length(); - if (len == 0) - return vec; // nothing to copy - vec.reserve(len); - for (int32_t n = 0; n < len; n++) { + if (array->Length() > 0) + vec.reserve(array->Length()); + for (size_t n = 0; n < array->Length(); n++) { Local val = array->Get(env->context(), n).ToLocalChecked(); if (val->IsString()) { Utf8Value value(env->isolate(), val.As()); @@ -1190,13 +1196,19 @@ inline std::vector FromJSStringArray(Environment* env, return vec; } -inline url_data HarvestBase(Environment* env, Local base_obj) { +url_data HarvestBase(Environment* env, Local base_obj) { url_data base; Local context = env->context(); + Local flags = base_obj->Get(env->context(), env->flags_string()).ToLocalChecked(); if (flags->IsInt32()) - base.flags = flags->Int32Value(context).FromJust(); + flags->Int32Value(context).To(&base.flags); + + Local port = + base_obj->Get(env->context(), env->port_string()).ToLocalChecked(); + if (port->IsInt32()) + port->Int32Value(context).To(&base.port); Local scheme = base_obj->Get(env->context(), env->scheme_string()).ToLocalChecked(); @@ -1230,11 +1242,6 @@ inline url_data HarvestBase(Environment* env, Local base_obj) { env->fragment_string(), true); - Local port = - base_obj->Get(env->context(), env->port_string()).ToLocalChecked(); - if (port->IsInt32()) - base.port = port.As()->Value(); - Local path = base_obj->Get(env->context(), env->path_string()).ToLocalChecked(); if (path->IsArray()) { @@ -1244,18 +1251,18 @@ inline url_data HarvestBase(Environment* env, Local base_obj) { return base; } -inline url_data HarvestContext(Environment* env, Local context_obj) { +url_data HarvestContext(Environment* env, Local context_obj) { url_data context; Local flags = context_obj->Get(env->context(), env->flags_string()).ToLocalChecked(); if (flags->IsInt32()) { - static const int32_t copy_flags_mask = + static constexpr int32_t kCopyFlagsMask = URL_FLAGS_SPECIAL | URL_FLAGS_CANNOT_BE_BASE | URL_FLAGS_HAS_USERNAME | URL_FLAGS_HAS_PASSWORD | URL_FLAGS_HAS_HOST; - context.flags |= flags.As()->Value() & copy_flags_mask; + context.flags |= flags.As()->Value() & kCopyFlagsMask; } Local scheme = context_obj->Get(env->context(), env->scheme_string()).ToLocalChecked(); @@ -1294,7 +1301,7 @@ inline url_data HarvestContext(Environment* env, Local context_obj) { } // Single dot segment can be ".", "%2e", or "%2E" -inline bool IsSingleDotSegment(const std::string& str) { +bool IsSingleDotSegment(const std::string& str) { switch (str.size()) { case 1: return str == "."; @@ -1310,7 +1317,7 @@ inline bool IsSingleDotSegment(const std::string& str) { // Double dot segment can be: // "..", ".%2e", ".%2E", "%2e.", "%2E.", // "%2e%2e", "%2E%2E", "%2e%2E", or "%2E%2e" -inline bool IsDoubleDotSegment(const std::string& str) { +bool IsDoubleDotSegment(const std::string& str) { switch (str.size()) { case 2: return str == ".."; @@ -1337,7 +1344,7 @@ inline bool IsDoubleDotSegment(const std::string& str) { } } -inline void ShortenUrlPath(struct url_data* url) { +void ShortenUrlPath(struct url_data* url) { if (url->path.empty()) return; if (url->path.size() == 1 && url->scheme == "file:" && IsNormalizedWindowsDriveLetter(url->path[0])) return; @@ -1707,7 +1714,7 @@ void URL::Parse(const char* input, buffer.insert(0, "%40"); } atflag = true; - const size_t blen = buffer.size(); + size_t blen = buffer.size(); if (blen > 0 && buffer[0] != ':') { url->flags |= URL_FLAGS_HAS_USERNAME; } @@ -2091,12 +2098,16 @@ void URL::Parse(const char* input, } } // NOLINT(readability/fn_size) -static inline void SetArgs(Environment* env, - Local argv[ARG_COUNT], - const struct url_data& url) { +namespace { +void SetArgs(Environment* env, + Local argv[ARG_COUNT], + const struct url_data& url) { Isolate* isolate = env->isolate(); argv[ARG_FLAGS] = Integer::NewFromUnsigned(isolate, url.flags); - argv[ARG_PROTOCOL] = OneByteString(isolate, url.scheme.c_str()); + argv[ARG_PROTOCOL] = + url.flags & URL_FLAGS_SPECIAL ? + GetSpecial(env, url.scheme) : + OneByteString(isolate, url.scheme.c_str()); if (url.flags & URL_FLAGS_HAS_USERNAME) argv[ARG_USERNAME] = Utf8String(isolate, url.username); if (url.flags & URL_FLAGS_HAS_PASSWORD) @@ -2113,15 +2124,15 @@ static inline void SetArgs(Environment* env, argv[ARG_PATH] = ToV8Value(env->context(), url.path).ToLocalChecked(); } -static void Parse(Environment* env, - Local recv, - const char* input, - const size_t len, - enum url_parse_state state_override, - Local base_obj, - Local context_obj, - Local cb, - Local error_cb) { +void Parse(Environment* env, + Local recv, + const char* input, + size_t len, + enum url_parse_state state_override, + Local base_obj, + Local context_obj, + Local cb, + Local error_cb) { Isolate* isolate = env->isolate(); Local context = env->context(); HandleScope handle_scope(isolate); @@ -2172,7 +2183,7 @@ static void Parse(Environment* env, } } -static void Parse(const FunctionCallbackInfo& args) { +void Parse(const FunctionCallbackInfo& args) { Environment* env = Environment::GetCurrent(args); CHECK_GE(args.Length(), 5); CHECK(args[0]->IsString()); // input @@ -2201,13 +2212,13 @@ static void Parse(const FunctionCallbackInfo& args) { args[5]); } -static void EncodeAuthSet(const FunctionCallbackInfo& args) { +void EncodeAuthSet(const FunctionCallbackInfo& args) { Environment* env = Environment::GetCurrent(args); CHECK_GE(args.Length(), 1); CHECK(args[0]->IsString()); Utf8Value value(env->isolate(), args[0]); std::string output; - const size_t len = value.length(); + size_t len = value.length(); output.reserve(len); for (size_t n = 0; n < len; n++) { const char ch = (*value)[n]; @@ -2219,23 +2230,23 @@ static void EncodeAuthSet(const FunctionCallbackInfo& args) { NewStringType::kNormal).ToLocalChecked()); } -static void ToUSVString(const FunctionCallbackInfo& args) { +void ToUSVString(const FunctionCallbackInfo& args) { Environment* env = Environment::GetCurrent(args); CHECK_GE(args.Length(), 2); CHECK(args[0]->IsString()); CHECK(args[1]->IsNumber()); TwoByteValue value(env->isolate(), args[0]); - const size_t n = value.length(); - const int64_t start = args[1]->IntegerValue(env->context()).FromJust(); + int64_t start; + args[1]->IntegerValue(env->context()).To(&start); CHECK_GE(start, 0); - for (size_t i = start; i < n; i++) { + for (size_t i = start; i < value.length(); i++) { char16_t c = value[i]; if (!IsUnicodeSurrogate(c)) { continue; - } else if (IsUnicodeSurrogateTrail(c) || i == n - 1) { + } else if (IsUnicodeSurrogateTrail(c) || i == value.length() - 1) { value[i] = kUnicodeReplacementCharacter; } else { char16_t d = value[i + 1]; @@ -2251,10 +2262,10 @@ static void ToUSVString(const FunctionCallbackInfo& args) { String::NewFromTwoByte(env->isolate(), *value, NewStringType::kNormal, - n).ToLocalChecked()); + value.length()).ToLocalChecked()); } -static void DomainToASCII(const FunctionCallbackInfo& args) { +void DomainToASCII(const FunctionCallbackInfo& args) { Environment* env = Environment::GetCurrent(args); CHECK_GE(args.Length(), 1); CHECK(args[0]->IsString()); @@ -2274,7 +2285,7 @@ static void DomainToASCII(const FunctionCallbackInfo& args) { NewStringType::kNormal).ToLocalChecked()); } -static void DomainToUnicode(const FunctionCallbackInfo& args) { +void DomainToUnicode(const FunctionCallbackInfo& args) { Environment* env = Environment::GetCurrent(args); CHECK_GE(args.Length(), 1); CHECK(args[0]->IsString()); @@ -2294,6 +2305,35 @@ static void DomainToUnicode(const FunctionCallbackInfo& args) { NewStringType::kNormal).ToLocalChecked()); } +void SetURLConstructor(const FunctionCallbackInfo& args) { + Environment* env = Environment::GetCurrent(args); + CHECK_EQ(args.Length(), 1); + CHECK(args[0]->IsFunction()); + env->set_url_constructor_function(args[0].As()); +} + +void Initialize(Local target, + Local unused, + Local context, + void* priv) { + Environment* env = Environment::GetCurrent(context); + env->SetMethod(target, "parse", Parse); + env->SetMethodNoSideEffect(target, "encodeAuth", EncodeAuthSet); + env->SetMethodNoSideEffect(target, "toUSVString", ToUSVString); + env->SetMethodNoSideEffect(target, "domainToASCII", DomainToASCII); + env->SetMethodNoSideEffect(target, "domainToUnicode", DomainToUnicode); + env->SetMethod(target, "setURLConstructor", SetURLConstructor); + +#define XX(name, _) NODE_DEFINE_CONSTANT(target, name); + FLAGS(XX) +#undef XX + +#define XX(name) NODE_DEFINE_CONSTANT(target, name); + PARSESTATES(XX) +#undef XX +} +} // namespace + std::string URL::ToFilePath() const { if (context_.scheme != "file:") { return ""; @@ -2411,33 +2451,6 @@ MaybeLocal URL::ToObject(Environment* env) const { return ret; } -static void SetURLConstructor(const FunctionCallbackInfo& args) { - Environment* env = Environment::GetCurrent(args); - CHECK_EQ(args.Length(), 1); - CHECK(args[0]->IsFunction()); - env->set_url_constructor_function(args[0].As()); -} - -static void Initialize(Local target, - Local unused, - Local context, - void* priv) { - Environment* env = Environment::GetCurrent(context); - env->SetMethod(target, "parse", Parse); - env->SetMethodNoSideEffect(target, "encodeAuth", EncodeAuthSet); - env->SetMethodNoSideEffect(target, "toUSVString", ToUSVString); - env->SetMethodNoSideEffect(target, "domainToASCII", DomainToASCII); - env->SetMethodNoSideEffect(target, "domainToUnicode", DomainToUnicode); - env->SetMethod(target, "setURLConstructor", SetURLConstructor); - -#define XX(name, _) NODE_DEFINE_CONSTANT(target, name); - FLAGS(XX) -#undef XX - -#define XX(name) NODE_DEFINE_CONSTANT(target, name); - PARSESTATES(XX) -#undef XX -} } // namespace url } // namespace node diff --git a/src/node_url.h b/src/node_url.h index 963273f988c983..6439a4a087be77 100644 --- a/src/node_url.h +++ b/src/node_url.h @@ -120,11 +120,11 @@ class URL { URL(const std::string& input, const std::string& base) : URL(input.c_str(), input.length(), base.c_str(), base.length()) {} - int32_t flags() { + int32_t flags() const { return context_.flags; } - int port() { + int port() const { return context_.port; } From 9b0249a21a9ca1602ad2d788ed991c9997538801 Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Wed, 5 Feb 2020 13:09:11 +0100 Subject: [PATCH 148/224] doc: clarify Worker exit/message event ordering Motivated by the fact that getting this wrong has led to flaky tests in our test suite. Refs: https://github.com/nodejs/node/pull/31637 PR-URL: https://github.com/nodejs/node/pull/31642 Reviewed-By: Gireesh Punathil Reviewed-By: Colin Ihrig Reviewed-By: James M Snell --- doc/api/worker_threads.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/api/worker_threads.md b/doc/api/worker_threads.md index 8a04d6f3dc8c41..d2989a2eeb6538 100644 --- a/doc/api/worker_threads.md +++ b/doc/api/worker_threads.md @@ -582,6 +582,8 @@ exited by calling [`process.exit()`][], the `exitCode` parameter will be the passed exit code. If the worker was terminated, the `exitCode` parameter will be `1`. +This is the final event emitted by any `Worker` instance. + ### Event: `'message'` - -* `options` {Object} - * `message` {string} If provided, the error message is set to this value. - * `actual` {any} The `actual` property on the error instance. - * `expected` {any} The `expected` property on the error instance. - * `operator` {string} The `operator` property on the error instance. - * `stackStartFn` {Function} If provided, the generated stack trace omits - frames before this function. - -A subclass of `Error` that indicates the failure of an assertion. - -All instances contain the built-in `Error` properties (`message` and `name`) -and: - -* `actual` {any} Set to the `actual` argument for methods such as - [`assert.strictEqual()`][]. -* `expected` {any} Set to the `expected` value for methods such as - [`assert.strictEqual()`][]. -* `generatedMessage` {boolean} Indicates if the message was auto-generated - (`true`) or not. -* `code` {string} Value is always `ERR_ASSERTION` to show that the error is an - assertion error. -* `operator` {string} Set to the passed in operator value. - -```js -const assert = require('assert'); - -// Generate an AssertionError to compare the error message later: -const { message } = new assert.AssertionError({ - actual: 1, - expected: 2, - operator: 'strictEqual' -}); - -// Verify error output: -try { - assert.strictEqual(1, 2); -} catch (err) { - assert(err instanceof assert.AssertionError); - assert.strictEqual(err.message, message); - assert.strictEqual(err.name, 'AssertionError'); - assert.strictEqual(err.actual, 1); - assert.strictEqual(err.expected, 2); - assert.strictEqual(err.code, 'ERR_ASSERTION'); - assert.strictEqual(err.operator, 'strictEqual'); - assert.strictEqual(err.generatedMessage, true); -} -``` +invariants. ## Strict assertion mode -In strict assertion mode, `assert` functions use the comparison in the -corresponding strict functions. For example, [`assert.deepEqual()`][] will -behave like [`assert.deepStrictEqual()`][]. +In strict assertion mode, non-strict methods behave like their corresponding +strict methods. For example, [`assert.deepEqual()`][] will behave like +[`assert.deepStrictEqual()`][]. In strict assertion mode, error messages for objects display a diff. In legacy assertion mode, error messages for objects display the objects, often truncated. @@ -150,6 +89,66 @@ lax: assert.deepEqual(/a/gi, new Date()); ``` +## Class: assert.AssertionError + +* Extends: {errors.Error} + +Indicates the failure of an assertion. All errors thrown by the `assert` module +will be instances of the `AssertionError` class. + +### `new assert.AssertionError(options)` + + +* `options` {Object} + * `message` {string} If provided, the error message is set to this value. + * `actual` {any} The `actual` property on the error instance. + * `expected` {any} The `expected` property on the error instance. + * `operator` {string} The `operator` property on the error instance. + * `stackStartFn` {Function} If provided, the generated stack trace omits + frames before this function. + +A subclass of `Error` that indicates the failure of an assertion. + +All instances contain the built-in `Error` properties (`message` and `name`) +and: + +* `actual` {any} Set to the `actual` argument for methods such as + [`assert.strictEqual()`][]. +* `expected` {any} Set to the `expected` value for methods such as + [`assert.strictEqual()`][]. +* `generatedMessage` {boolean} Indicates if the message was auto-generated + (`true`) or not. +* `code` {string} Value is always `ERR_ASSERTION` to show that the error is an + assertion error. +* `operator` {string} Set to the passed in operator value. + +```js +const assert = require('assert'); + +// Generate an AssertionError to compare the error message later: +const { message } = new assert.AssertionError({ + actual: 1, + expected: 2, + operator: 'strictEqual' +}); + +// Verify error output: +try { + assert.strictEqual(1, 2); +} catch (err) { + assert(err instanceof assert.AssertionError); + assert.strictEqual(err.message, message); + assert.strictEqual(err.name, 'AssertionError'); + assert.strictEqual(err.actual, 1); + assert.strictEqual(err.expected, 2); + assert.strictEqual(err.code, 'ERR_ASSERTION'); + assert.strictEqual(err.operator, 'strictEqual'); + assert.strictEqual(err.generatedMessage, true); +} +``` + ## `assert(value[, message])` -The semantics of Node.js's `require()` function were designed to be general +The semantics of the Node.js `require()` function were designed to be general enough to support reasonable directory structures. Package manager programs such as `dpkg`, `rpm`, and `npm` will hopefully find it possible to build native packages from Node.js modules without modification. @@ -290,7 +290,7 @@ irrespective of whether or not `./foo` and `./FOO` are the same file. Node.js has several modules compiled into the binary. These modules are described in greater detail elsewhere in this documentation. -The core modules are defined within Node.js's source and are located in the +The core modules are defined within the Node.js source and are located in the `lib/` folder. Core modules are always preferentially loaded if their identifier is @@ -409,7 +409,7 @@ If this was in a folder at `./some-library`, then `require('./some-library')` would attempt to load `./some-library/lib/some-library.js`. -This is the extent of Node.js's awareness of `package.json` files. +This is the extent of the awareness of `package.json` files within Node.js. If there is no `package.json` file present in the directory, or if the `'main'` entry is missing or cannot be resolved, then Node.js @@ -485,7 +485,7 @@ Additionally, Node.js will search in the following list of GLOBAL_FOLDERS: * 2: `$HOME/.node_libraries` * 3: `$PREFIX/lib/node` -Where `$HOME` is the user's home directory, and `$PREFIX` is Node.js's +Where `$HOME` is the user's home directory, and `$PREFIX` is the Node.js configured `node_prefix`. These are mostly for historic reasons. From 8db24e13f404a3e673379b81244a1f234b53e3a4 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Sun, 9 Feb 2020 16:10:25 -1000 Subject: [PATCH 179/224] doc: reword possessive form of Node.js in zlib.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Throughout the docs, we sometimes write the possessive of _Node.js_ as _Node.js'_ and other times as _Node.js's_. The former conforms with some generally accepted style guides (e.g., Associated Press Stylebook) while the latter complies with others (e.g., Chicago Manual of Style). Since there is no clear authoritative answer as to which form is correct, and since (at least to me) both are visually jarring and sometimes cause a pause to understand, I'd like to reword things to eliminate the possessive form where possible. This is one of those examples. PR-URL: https://github.com/nodejs/node/pull/31713 Reviewed-By: Ben Noordhuis Reviewed-By: Beth Griggs Reviewed-By: James M Snell Reviewed-By: Tobias Nießen Reviewed-By: Colin Ihrig Reviewed-By: Anna Henningsen Reviewed-By: Ruben Bridgewater --- doc/api/zlib.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/api/zlib.md b/doc/api/zlib.md index abc046fab4da76..e059cc407df5cd 100644 --- a/doc/api/zlib.md +++ b/doc/api/zlib.md @@ -174,7 +174,7 @@ decompressed result is valid. ### For zlib-based streams -From `zlib/zconf.h`, modified to Node.js's usage: +From `zlib/zconf.h`, modified for Node.js usage: The memory requirements for deflate are (in bytes): From d9b72900d79332acaa185e917a71e8ea9037deeb Mon Sep 17 00:00:00 2001 From: Derek Lewis Date: Sun, 19 Jan 2020 19:42:27 -0500 Subject: [PATCH 180/224] tools: update Markdown linter to be cross-platform Prior to this commit, the dependencies were not matching the build procedure. This has been corrected and it has the added benefit of being able to be built on Windows as well. * continue using `rollup` rather than `ncc` * do not require `fs-event`s for non-macOS * use `npx` and `shx` for cross-platform building * ensure `lint-md-rollup` runs before `lint-md` PR-URL: https://github.com/nodejs/node/pull/31239 Reviewed-By: Rich Trott --- tools/lint-md.js | 44428 +++++++++++++++- .../node-lint-md-cli-rollup/package-lock.json | 421 +- tools/node-lint-md-cli-rollup/package.json | 16 +- .../node-lint-md-cli-rollup/rollup.config.js | 51 + .../node-lint-md-cli-rollup/src/cli-entry.js | 1 - 5 files changed, 44790 insertions(+), 127 deletions(-) create mode 100644 tools/node-lint-md-cli-rollup/rollup.config.js diff --git a/tools/lint-md.js b/tools/lint-md.js index 461308fb749bd8..495f9536db6dc9 100644 --- a/tools/lint-md.js +++ b/tools/lint-md.js @@ -1,2 +1,44426 @@ -#!/usr/bin/env node -module.exports=function(e,r){"use strict";var t={};function 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u=e.files;if(u.length===0){t()}else{i(u,{cwd:r.cwd,extensions:r.extensions,silentlyIgnore:r.silentlyIgnore,ignorePatterns:r.ignorePatterns,ignore:new n({cwd:r.cwd,detectIgnore:r.detectIgnore,ignoreName:r.ignoreName,ignorePath:r.ignorePath})},onfound)}function onfound(n,i){var u=i.files;u.sort(sortAlphabetically);u.forEach(markAsGiven);e.files=u;if(r.out===null||r.out===undefined){r.out=i.oneFileMode}t(n)}function markAsGiven(e){e.data.unifiedEngineGiven=true}function sortAlphabetically(e,r){return e.pathArray.isArray(e)?e:[e];const V=(e,r=[])=>{e.forEach(e=>{if(Array.isArray(e)){V(e,r)}else{r.push(e)}});return r};const J=e=>{const r=V(z(e));if(!r.every(e=>typeof e===N)){throw new TypeError(`Non-string provided as watch path: ${r}`)}return r.map(Q)};const Z=e=>{let r=e.replace(S,x);while(r.match(_)){r=r.replace(_,x)}return r};const Q=e=>Z(u.normalize(Z(e)));const X=(e=H)=>r=>{if(typeof r!==N)return r;return Q(u.isAbsolute(r)?r:u.join(e,r))};const K=(e,r)=>{if(u.isAbsolute(e)){return e}if(e.startsWith(T)){return T+u.join(r,e.slice(1))}return u.join(r,e)};const ee=(e,r)=>e[r]===undefined;class DirEntry{constructor(e,r){this.path=e;this._removeWatcher=r;this.items=new Set}add(e){const{items:r}=this;if(!r)return;if(e!==I&&e!==L)r.add(e)}async remove(e){const{items:r}=this;if(!r)return;r.delete(e);if(!r.size){const e=this.path;try{await Y(e)}catch(r){this._removeWatcher(u.dirname(e),u.basename(e))}}}has(e){const{items:r}=this;if(!r)return;return r.has(e)}getChildren(){const{items:e}=this;if(!e)return;return[...e.values()]}dispose(){this.items.clear();delete this.path;delete this._removeWatcher;delete this.items;Object.freeze(this)}}const re="stat";const te="lstat";class WatchHelper{constructor(e,r,t,n){this.fsw=n;this.path=e=e.replace(k,H);this.watchPath=r;this.fullWatchPath=u.resolve(r);this.hasGlob=r!==e;if(e===H)this.hasGlob=false;this.globSymlink=this.hasGlob&&t?undefined:false;this.globFilter=this.hasGlob?a(e,undefined,P):false;this.dirParts=this.getDirParts(e);this.dirParts.forEach(e=>{if(e.length>1)e.pop()});this.followSymlinks=t;this.statMethod=t?re:te}checkGlobSymlink(e){if(this.globSymlink===undefined){this.globSymlink=e.fullParentDir===this.fullWatchPath?false:{realPath:e.fullParentDir,linkPath:this.fullWatchPath}}if(this.globSymlink){return e.fullPath.replace(this.globSymlink.realPath,this.globSymlink.linkPath)}return e.fullPath}entryPath(e){return u.join(this.watchPath,u.relative(this.watchPath,this.checkGlobSymlink(e)))}filterPath(e){const{stats:r}=e;if(r&&r.isSymbolicLink())return this.filterDir(e);const t=this.entryPath(e);const n=this.hasGlob&&typeof this.globFilter===$?this.globFilter(t):true;return n&&this.fsw._isntIgnored(t,r)&&this.fsw._hasReadPermissions(r)}getDirParts(e){if(!this.hasGlob)return[];const r=[];const t=e.includes(R)?l.expand(e):[e];t.forEach(e=>{r.push(u.relative(this.watchPath,e).split(B))});return r}filterDir(e){if(this.hasGlob){const r=this.getDirParts(this.checkGlobSymlink(e));let t=false;this.unmatchedGlob=!this.dirParts.some(e=>{return e.every((e,n)=>{if(e===M)t=true;return t||!r[0][n]||a(e,r[0][n],P)})})}return!this.unmatchedGlob&&this.fsw._isntIgnored(this.entryPath(e),e.stats)}}class FSWatcher extends n{constructor(e){super();const r={};if(e)Object.assign(r,e);this._watched=new Map;this._closers=new Map;this._ignoredPaths=new Set;this._throttled=new Map;this._symlinkPaths=new Map;this._streams=new Set;this.closed=false;if(ee(r,"persistent"))r.persistent=true;if(ee(r,"ignoreInitial"))r.ignoreInitial=false;if(ee(r,"ignorePermissionErrors"))r.ignorePermissionErrors=false;if(ee(r,"interval"))r.interval=100;if(ee(r,"binaryInterval"))r.binaryInterval=300;if(ee(r,"disableGlobbing"))r.disableGlobbing=false;r.enableBinaryInterval=r.binaryInterval!==r.interval;if(ee(r,"useFsEvents"))r.useFsEvents=!r.usePolling;const t=v.canUse();if(!t)r.useFsEvents=false;if(ee(r,"usePolling")&&!r.useFsEvents){r.usePolling=G}const n=process.env.CHOKIDAR_USEPOLLING;if(n!==undefined){const e=n.toLowerCase();if(e==="false"||e==="0"){r.usePolling=false}else if(e==="true"||e==="1"){r.usePolling=true}else{r.usePolling=!!e}}const i=process.env.CHOKIDAR_INTERVAL;if(i){r.interval=Number.parseInt(i,10)}if(ee(r,"atomic"))r.atomic=!r.usePolling&&!r.useFsEvents;if(r.atomic)this._pendingUnlinks=new Map;if(ee(r,"followSymlinks"))r.followSymlinks=true;if(ee(r,"awaitWriteFinish"))r.awaitWriteFinish=false;if(r.awaitWriteFinish===true)r.awaitWriteFinish={};const u=r.awaitWriteFinish;if(u){if(!u.stabilityThreshold)u.stabilityThreshold=2e3;if(!u.pollInterval)u.pollInterval=100;this._pendingWrites=new Map}if(r.ignored)r.ignored=z(r.ignored);let o=0;this._emitReady=(()=>{o++;if(o>=this._readyCount){this._emitReady=U;this._readyEmitted=true;process.nextTick(()=>this.emit(d))}});this._emitRaw=((...e)=>this.emit(C,...e));this._readyEmitted=false;this.options=r;if(r.useFsEvents){this._fsEventsHandler=new v(this)}else{this._nodeFsHandler=new h(this)}Object.freeze(r)}add(e,r,t){const{cwd:n,disableGlobbing:i}=this.options;this.closed=false;let o=J(e);if(n){o=o.map(e=>{const r=K(e,n);if(i||!c(e)){return r}return p(r)})}o=o.filter(e=>{if(e.startsWith(T)){this._ignoredPaths.add(e.slice(1));return false}this._ignoredPaths.delete(e);this._ignoredPaths.delete(e+j);this._userIgnored=undefined;return true});if(this.options.useFsEvents&&this._fsEventsHandler){if(!this._readyCount)this._readyCount=o.length;if(this.options.persistent)this._readyCount*=2;o.forEach(e=>this._fsEventsHandler._addToFsEvents(e))}else{if(!this._readyCount)this._readyCount=0;this._readyCount+=o.length;Promise.all(o.map(async e=>{const n=await this._nodeFsHandler._addToNodeFs(e,!t,0,0,r);if(n)this._emitReady();return n})).then(e=>{if(this.closed)return;e.filter(e=>e).forEach(e=>{this.add(u.dirname(e),u.basename(r||e))})})}return this}unwatch(e){if(this.closed)return this;const r=J(e);const{cwd:t}=this.options;r.forEach(e=>{if(!u.isAbsolute(e)&&!this._closers.has(e)){if(t)e=u.join(t,e);e=u.resolve(e)}this._closePath(e);this._ignoredPaths.add(e);if(this._watched.has(e)){this._ignoredPaths.add(e+j)}this._userIgnored=undefined});return this}close(){if(this.closed)return this;this.closed=true;this.removeAllListeners();const e=[];this._closers.forEach(r=>r.forEach(r=>{const t=r();if(t instanceof Promise)e.push(t)}));this._streams.forEach(e=>e.destroy());this._userIgnored=undefined;this._readyCount=0;this._readyEmitted=false;this._watched.forEach(e=>e.dispose());["closers","watched","streams","symlinkPaths","throttled"].forEach(e=>{this[`_${e}`].clear()});return e.length?Promise.all(e).then(()=>undefined):Promise.resolve()}getWatched(){const e={};this._watched.forEach((r,t)=>{const n=this.options.cwd?u.relative(this.options.cwd,t):t;e[n||I]=r.getChildren().sort()});return e}emitWithAll(e,r){this.emit(...r);if(e!==w)this.emit(D,...r)}async _emit(e,r,t,n,i){if(this.closed)return;const o=this.options;if(W)r=u.normalize(r);if(o.cwd)r=u.relative(o.cwd,r);const s=[e,r];if(i!==undefined)s.push(t,n,i);else if(n!==undefined)s.push(t,n);else if(t!==undefined)s.push(t);const a=o.awaitWriteFinish;let f;if(a&&(f=this._pendingWrites.get(r))){f.lastChange=new Date;return this}if(o.atomic){if(e===E){this._pendingUnlinks.set(r,s);setTimeout(()=>{this._pendingUnlinks.forEach((e,r)=>{this.emit(...e);this.emit(D,...e);this._pendingUnlinks.delete(r)})},typeof o.atomic==="number"?o.atomic:100);return this}if(e===g&&this._pendingUnlinks.has(r)){e=s[0]=m;this._pendingUnlinks.delete(r)}}if(a&&(e===g||e===m)&&this._readyEmitted){const t=(r,t)=>{if(r){e=s[0]=w;s[1]=r;this.emitWithAll(e,s)}else if(t){if(s.length>2){s[2]=t}else{s.push(t)}this.emitWithAll(e,s)}};this._awaitWriteFinish(r,a.stabilityThreshold,e,t);return this}if(e===m){const e=!this._throttle(m,r,50);if(e)return this}if(o.alwaysStat&&t===undefined&&(e===g||e===b||e===m)){const t=o.cwd?u.join(o.cwd,r):r;try{const r=await q(t);if(!r)return;s.push(r);this.emitWithAll(e,s)}catch(e){}}else{this.emitWithAll(e,s)}return this}_handleError(e){const r=e&&e.code;if(e&&r!=="ENOENT"&&r!=="ENOTDIR"&&(!this.options.ignorePermissionErrors||r!=="EPERM"&&r!=="EACCES")){this.emit(w,e)}return e||this.closed}_throttle(e,r,t){if(!this._throttled.has(e)){this._throttled.set(e,new Map)}const n=this._throttled.get(e);const i=n.get(r);if(i){i.count++;return false}let u;const o=()=>{const e=n.get(r);const t=e?e.count:0;n.delete(r);clearTimeout(u);if(e)clearTimeout(e.timeoutObject);return t};u=setTimeout(o,t);const s={timeoutObject:u,clear:o,count:0};n.set(r,s);return s}_incrReadyCount(){return this._readyCount++}_awaitWriteFinish(e,r,t,n){let o;let s=e;if(this.options.cwd&&!u.isAbsolute(e)){s=u.join(this.options.cwd,e)}const a=new Date;const f=t=>{i.stat(s,(i,u)=>{if(i||!this._pendingWrites.has(e)){if(i&&i.code!=="ENOENT")n(i);return}const s=Number(new Date);if(t&&u.size!==t.size){this._pendingWrites.get(e).lastChange=s}const a=this._pendingWrites.get(e);const c=s-a.lastChange;if(c>=r){this._pendingWrites.delete(e);n(undefined,u)}else{o=setTimeout(f,this.options.awaitWriteFinish.pollInterval,u)}})};if(!this._pendingWrites.has(e)){this._pendingWrites.set(e,{lastChange:a,cancelWait:()=>{this._pendingWrites.delete(e);clearTimeout(o);return t}});o=setTimeout(f,this.options.awaitWriteFinish.pollInterval)}}_getGlobIgnored(){return[...this._ignoredPaths.values()]}_isIgnored(e,r){if(this.options.atomic&&O.test(e))return true;if(!this._userIgnored){const{cwd:e}=this.options;const r=this.options.ignored;const t=r&&r.map(X(e));const n=z(t).filter(e=>typeof e===N&&!c(e)).map(e=>e+j);const i=this._getGlobIgnored().map(X(e)).concat(t,n);this._userIgnored=a(i,undefined,P)}return this._userIgnored([e,r])}_isntIgnored(e,r){return!this._isIgnored(e,r)}_getWatchHelpers(e,r){const t=r||this.options.disableGlobbing||!c(e)?e:f(e);const n=this.options.followSymlinks;return new WatchHelper(e,t,n,this)}_getWatchedDir(e){if(!this._boundRemove)this._boundRemove=this._remove.bind(this);const r=u.resolve(e);if(!this._watched.has(r))this._watched.set(r,new DirEntry(r,this._boundRemove));return this._watched.get(r)}_hasReadPermissions(e){if(this.options.ignorePermissionErrors)return true;const r=e&&Number.parseInt(e.mode,10);const t=r&511;const n=Number.parseInt(t.toString(8)[0],10);return Boolean(4&n)}_remove(e,r){const t=u.join(e,r);const n=u.resolve(t);const i=this._watched.has(t)||this._watched.has(n);if(!this._throttle("remove",t,100))return;if(!i&&!this.options.useFsEvents&&this._watched.size===1){this.add(e,r,true)}const o=this._getWatchedDir(t);const s=o.getChildren();s.forEach(e=>this._remove(t,e));const a=this._getWatchedDir(e);const f=a.has(r);a.remove(r);let c=t;if(this.options.cwd)c=u.relative(this.options.cwd,t);if(this.options.awaitWriteFinish&&this._pendingWrites.has(c)){const e=this._pendingWrites.get(c).cancelWait();if(e===g)return}this._watched.delete(t);this._watched.delete(n);const l=i?A:E;if(f&&!this._isIgnored(t))this._emit(l,t);if(!this.options.useFsEvents){this._closePath(t)}}_closePath(e){const r=this._closers.get(e);if(!r)return;r.forEach(e=>e());this._closers.delete(e);const t=u.dirname(e);this._getWatchedDir(t).remove(u.basename(e))}_addPathCloser(e,r){if(!r)return;let t=this._closers.get(e);if(!t){t=[];this._closers.set(e,t)}t.push(r)}_readdirp(e,r){if(this.closed)return;const t={type:D,alwaysStat:true,lstat:true,...r};let n=s(e,t);this._streams.add(n);n.once(F,()=>{n=undefined});n.once(y,()=>{if(n){this._streams.delete(n);n=undefined}});return n}}r.FSWatcher=FSWatcher;const ne=(e,r)=>{const t=new FSWatcher(r);t.add(e);return t};r.watch=ne},function(e,r,t){"use strict";var n=t(170);var i=t(520);e.exports=transform;function transform(e,r,t){var u=new n;e.fileSet=u;u.on("add",add).on("done",t);if(e.files.length===0){t()}else{e.files.forEach(u.add,u)}function add(t){i.run({configuration:e.configuration,processor:r.processor(),cwd:r.cwd,extensions:r.extensions,pluginPrefix:r.pluginPrefix,treeIn:r.treeIn,treeOut:r.treeOut,inspect:r.inspect,color:r.color,out:r.out,output:r.output,streamOut:r.streamOut,alwaysStringify:r.alwaysStringify},t,u,done);function done(e){if(e){e=t.message(e);e.fatal=true}u.emit("one",t)}}}},,,,,,,function(e){e.exports=function(e,r){if(!r)r={};var t={bools:{},strings:{},unknownFn:null};if(typeof r["unknown"]==="function"){t.unknownFn=r["unknown"]}if(typeof r["boolean"]==="boolean"&&r["boolean"]){t.allBools=true}else{[].concat(r["boolean"]).filter(Boolean).forEach(function(e){t.bools[e]=true})}var n={};Object.keys(r.alias||{}).forEach(function(e){n[e]=[].concat(r.alias[e]);n[e].forEach(function(r){n[r]=[e].concat(n[e].filter(function(e){return r!==e}))})});[].concat(r.string).filter(Boolean).forEach(function(e){t.strings[e]=true;if(n[e]){t.strings[n[e]]=true}});var i=r["default"]||{};var u={_:[]};Object.keys(t.bools).forEach(function(e){setArg(e,i[e]===undefined?false:i[e])});var o=[];if(e.indexOf("--")!==-1){o=e.slice(e.indexOf("--")+1);e=e.slice(0,e.indexOf("--"))}function argDefined(e,r){return t.allBools&&/^--[^=]+$/.test(r)||t.strings[e]||t.bools[e]||n[e]}function setArg(e,r,i){if(i&&t.unknownFn&&!argDefined(e,i)){if(t.unknownFn(i)===false)return}var o=!t.strings[e]&&isNumber(r)?Number(r):r;setKey(u,e.split("."),o);(n[e]||[]).forEach(function(e){setKey(u,e.split("."),o)})}function setKey(e,r,n){var i=e;r.slice(0,-1).forEach(function(e){if(i[e]===undefined)i[e]={};i=i[e]});var u=r[r.length-1];if(i[u]===undefined||t.bools[u]||typeof i[u]==="boolean"){i[u]=n}else if(Array.isArray(i[u])){i[u].push(n)}else{i[u]=[i[u],n]}}function aliasIsBoolean(e){return n[e].some(function(e){return t.bools[e]})}for(var s=0;s=e.length){if(r)r[o]=e;return t(null,e)}a.lastIndex=l;var n=a.exec(e);v=p;p+=n[0];h=v+n[1];l=a.lastIndex;if(c[h]||r&&r[h]===h){return process.nextTick(LOOP)}if(r&&Object.prototype.hasOwnProperty.call(r,h)){return gotResolvedLink(r[h])}return u.lstat(h,gotStat)}function gotStat(e,n){if(e)return t(e);if(!n.isSymbolicLink()){c[h]=true;if(r)r[h]=h;return process.nextTick(LOOP)}if(!i){var o=n.dev.toString(32)+":"+n.ino.toString(32);if(s.hasOwnProperty(o)){return gotTarget(null,s[o],h)}}u.stat(h,function(e){if(e)return t(e);u.readlink(h,function(e,r){if(!i)s[o]=r;gotTarget(e,r)})})}function gotTarget(e,i,u){if(e)return t(e);var o=n.resolve(v,i);if(r)r[u]=o;gotResolvedLink(o)}function gotResolvedLink(r){e=n.resolve(r,e.slice(l));start()}}},function(e){"use strict";e.exports=orderedItems;var r="\n";var t=".";var n=r+r;function orderedItems(e){var i=this;var u=i.visitors.listItem;var o=i.options.incrementListMarker;var s=[];var a=e.start;var f=e.children;var c=f.length;var l=-1;var p;a=a==null?1:a;while(++l{if(Number.isNaN(e)){return false}if(e>=4352&&(e<=4447||e===9001||e===9002||11904<=e&&e<=12871&&e!==12351||12880<=e&&e<=19903||19968<=e&&e<=42182||43360<=e&&e<=43388||44032<=e&&e<=55203||63744<=e&&e<=64255||65040<=e&&e<=65049||65072<=e&&e<=65131||65281<=e&&e<=65376||65504<=e&&e<=65510||110592<=e&&e<=110593||127488<=e&&e<=127569||131072<=e&&e<=262141)){return true}return false};e.exports=r;e.exports.default=r},function(e){e.exports={nbsp:" ",iexcl:"¡",cent:"¢",pound:"£",curren:"¤",yen:"¥",brvbar:"¦",sect:"§",uml:"¨",copy:"©",ordf:"ª",laquo:"«",not:"¬",shy:"­",reg:"®",macr:"¯",deg:"°",plusmn:"±",sup2:"²",sup3:"³",acute:"´",micro:"µ",para:"¶",middot:"·",cedil:"¸",sup1:"¹",ordm:"º",raquo:"»",frac14:"¼",frac12:"½",frac34:"¾",iquest:"¿",Agrave:"À",Aacute:"Á",Acirc:"Â",Atilde:"Ã",Auml:"Ä",Aring:"Å",AElig:"Æ",Ccedil:"Ç",Egrave:"È",Eacute:"É",Ecirc:"Ê",Euml:"Ë",Igrave:"Ì",Iacute:"Í",Icirc:"Î",Iuml:"Ï",ETH:"Ð",Ntilde:"Ñ",Ograve:"Ò",Oacute:"Ó",Ocirc:"Ô",Otilde:"Õ",Ouml:"Ö",times:"×",Oslash:"Ø",Ugrave:"Ù",Uacute:"Ú",Ucirc:"Û",Uuml:"Ü",Yacute:"Ý",THORN:"Þ",szlig:"ß",agrave:"à",aacute:"á",acirc:"â",atilde:"ã",auml:"ä",aring:"å",aelig:"æ",ccedil:"ç",egrave:"è",eacute:"é",ecirc:"ê",euml:"ë",igrave:"ì",iacute:"í",icirc:"î",iuml:"ï",eth:"ð",ntilde:"ñ",ograve:"ò",oacute:"ó",ocirc:"ô",otilde:"õ",ouml:"ö",divide:"÷",oslash:"ø",ugrave:"ù",uacute:"ú",ucirc:"û",uuml:"ü",yacute:"ý",thorn:"þ",yuml:"ÿ",fnof:"ƒ",Alpha:"Α",Beta:"Β",Gamma:"Γ",Delta:"Δ",Epsilon:"Ε",Zeta:"Ζ",Eta:"Η",Theta:"Θ",Iota:"Ι",Kappa:"Κ",Lambda:"Λ",Mu:"Μ",Nu:"Ν",Xi:"Ξ",Omicron:"Ο",Pi:"Π",Rho:"Ρ",Sigma:"Σ",Tau:"Τ",Upsilon:"Υ",Phi:"Φ",Chi:"Χ",Psi:"Ψ",Omega:"Ω",alpha:"α",beta:"β",gamma:"γ",delta:"δ",epsilon:"ε",zeta:"ζ",eta:"η",theta:"θ",iota:"ι",kappa:"κ",lambda:"λ",mu:"μ",nu:"ν",xi:"ξ",omicron:"ο",pi:"π",rho:"ρ",sigmaf:"ς",sigma:"σ",tau:"τ",upsilon:"υ",phi:"φ",chi:"χ",psi:"ψ",omega:"ω",thetasym:"ϑ",upsih:"ϒ",piv:"ϖ",bull:"•",hellip:"…",prime:"′",Prime:"″",oline:"‾",frasl:"⁄",weierp:"℘",image:"ℑ",real:"ℜ",trade:"™",alefsym:"ℵ",larr:"←",uarr:"↑",rarr:"→",darr:"↓",harr:"↔",crarr:"↵",lArr:"⇐",uArr:"⇑",rArr:"⇒",dArr:"⇓",hArr:"⇔",forall:"∀",part:"∂",exist:"∃",empty:"∅",nabla:"∇",isin:"∈",notin:"∉",ni:"∋",prod:"∏",sum:"∑",minus:"−",lowast:"∗",radic:"√",prop:"∝",infin:"∞",ang:"∠",and:"∧",or:"∨",cap:"∩",cup:"∪",int:"∫",there4:"∴",sim:"∼",cong:"≅",asymp:"≈",ne:"≠",equiv:"≡",le:"≤",ge:"≥",sub:"⊂",sup:"⊃",nsub:"⊄",sube:"⊆",supe:"⊇",oplus:"⊕",otimes:"⊗",perp:"⊥",sdot:"⋅",lceil:"⌈",rceil:"⌉",lfloor:"⌊",rfloor:"⌋",lang:"〈",rang:"〉",loz:"◊",spades:"♠",clubs:"♣",hearts:"♥",diams:"♦",quot:'"',amp:"&",lt:"<",gt:">",OElig:"Œ",oelig:"œ",Scaron:"Š",scaron:"š",Yuml:"Ÿ",circ:"ˆ",tilde:"˜",ensp:" ",emsp:" ",thinsp:" ",zwnj:"‌",zwj:"‍",lrm:"‎",rlm:"‏",ndash:"–",mdash:"—",lsquo:"‘",rsquo:"’",sbquo:"‚",ldquo:"“",rdquo:"”",bdquo:"„",dagger:"†",Dagger:"‡",permil:"‰",lsaquo:"‹",rsaquo:"›",euro:"€"}},function(e,r,t){"use 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t!=="object"||t===null||Array.isArray(t)){return}Object.keys(t).forEach(function(u){i=safeGetProperty(e,u);n=safeGetProperty(t,u);if(n===e){return}else if(typeof n!=="object"||n===null){e[u]=n;return}else if(Array.isArray(n)){e[u]=deepCloneArray(n);return}else if(isSpecificValue(n)){e[u]=cloneSpecificValue(n);return}else if(typeof i!=="object"||i===null||Array.isArray(i)){e[u]=r({},n);return}else{e[u]=r(i,n);return}})});return e}},,function(e,r,t){"use strict";var n=t(608);var i=t(427);var u=t(263);var o=t(960);var s=t(353);e.exports=n("remark-lint:list-item-bullet-indent",listItemBulletIndent);var a=o.start;function listItemBulletIndent(e,r){var t=String(r);u(e,"list",visitor);function visitor(e){e.children.forEach(visitItems)}function visitItems(e){var n;var u;var o;if(!s(e)){n=a(e.children[0]);u=t.slice(a(e).offset,n.offset).match(/^\s*/)[0].length;if(u!==0){o="Incorrect indentation before bullet: remove "+u+" 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homedir(){var e=process.env;var r=e.HOME;var t=e.LOGNAME||e.USER||e.LNAME||e.USERNAME;if(process.platform==="win32"){return e.USERPROFILE||e.HOMEDRIVE+e.HOMEPATH||r||null}if(process.platform==="darwin"){return r||(t?"/Users/"+t:null)}if(process.platform==="linux"){return r||(process.getuid()===0?"/root":t?"/home/"+t:null)}return r||null}e.exports=typeof n.homedir==="function"?n.homedir:homedir},,,function(e,r,t){"use strict";var n=t(812);var i=t(51);e.exports=toVFile;function toVFile(e){if(typeof e==="string"||n(e)){e={path:String(e)}}return i(e)}},function(e,r,t){"use strict";var n=t(591);e.exports=VMessage;function VMessagePrototype(){}VMessagePrototype.prototype=Error.prototype;VMessage.prototype=new VMessagePrototype;var i=VMessage.prototype;i.file="";i.name="";i.reason="";i.message="";i.stack="";i.fatal=null;i.column=null;i.line=null;function VMessage(e,r,t){var i;var u;var o;if(typeof 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\t\n]{2,}/.test(t.slice(n,i).match(s)[1])){r.message(a,e)}}}},,,function(e,r,t){"use strict";var n=t(536);var i=t(788);var u=t(926);var o=t(928);var s=t(542);var a=t(292);e.exports=parseEntities;var f={}.hasOwnProperty;var c=String.fromCharCode;var l=Function.prototype;var p={warning:null,reference:null,text:null,warningContext:null,referenceContext:null,textContext:null,position:{},additional:null,attribute:false,nonTerminated:true};var h=9;var v=10;var D=12;var d=32;var g=38;var m=59;var E=60;var b=61;var A=35;var C=88;var w=120;var F=65533;var y="named";var S="hexadecimal";var _="decimal";var B={};B[S]=16;B[_]=10;var O={};O[y]=s;O[_]=u;O[S]=o;var k=1;var x=2;var R=3;var T=4;var I=5;var L=6;var M=7;var j={};j[k]="Named character references must be terminated by a semicolon";j[x]="Numeric character references must be terminated by a semicolon";j[R]="Named character references cannot be empty";j[T]="Numeric character references cannot be empty";j[I]="Named character references must be known";j[L]="Numeric character references cannot be disallowed";j[M]="Numeric character references cannot be outside the permissible Unicode range";function parseEntities(e,r){var t={};var n;var i;if(!r){r={}}for(i in p){n=r[i];t[i]=n===null||n===undefined?p[i]:n}if(t.position.indent||t.position.start){t.indent=t.position.indent||[];t.position=t.position.start}return parse(e,t)}function parse(e,r){var t=r.additional;var u=r.nonTerminated;var o=r.text;var p=r.reference;var P=r.warning;var N=r.textContext;var $=r.referenceContext;var H=r.warningContext;var U=r.position;var W=r.indent||[];var G=e.length;var q=0;var Y=-1;var z=U.column||1;var V=U.line||1;var J="";var Z=[];var Q;var X;var K;var ee;var re;var te;var ne;var ie;var ue;var oe;var se;var ae;var fe;var ce;var le;var pe;var he;var ve;var De;if(typeof t==="string"){t=t.charCodeAt(0)}pe=now();ie=P?parseError:l;q--;G++;while(++q65535){te-=65536;oe+=c(te>>>(10&1023)|55296);te=56320|te&1023}te=oe+c(te)}}if(te){flush();pe=now();q=De-1;z+=De-fe+1;Z.push(te);he=now();he.offset++;if(p){p.call($,te,{start:pe,end:he},e.slice(fe-1,De))}pe=he}else{ee=e.slice(fe-1,De);J+=ee;z+=ee.length;q=De-1}}else{if(re===10){V++;Y++;z=0}if(re===re){J+=c(re);z++}else{flush()}}}return Z.join("");function now(){return{line:V,column:z,offset:q+(U.offset||0)}}function parseError(e,r){var t=now();t.column+=r;t.offset+=r;P.call(H,j[e],t,e)}function flush(){if(J){Z.push(J);if(o){o.call(N,J,{start:pe,end:now()})}J=""}}}function prohibited(e){return e>=55296&&e<=57343||e>1114111}function disallowed(e){return e>=1&&e<=8||e===11||e>=13&&e<=31||e>=127&&e<=159||e>=64976&&e<=65007||(e&65535)===65535||(e&65535)===65534}},,function(e,r,t){"use strict";var n=t(940);var i=t(2);var u=t(555);var o=t(394);var s=t(617);e.exports=setOptions;var a={entities:{true:true,false:true,numbers:true,escape:true},bullet:{"*":true,"-":true,"+":true},rule:{"-":true,_:true,"*":true},listItemIndent:{tab:true,mixed:true,1:true},emphasis:{_:true,"*":true},strong:{_:true,"*":true},fence:{"`":true,"~":true}};var f={boolean:validateBoolean,string:validateString,number:validateNumber,function:validateFunction};function setOptions(e){var r=this;var t=r.options;var i;var s;if(e==null){e={}}else if(typeof e==="object"){e=n(e)}else{throw new Error("Invalid value `"+e+"` for setting `options`")}for(s in u){f[typeof u[s]](e,s,t[s],a[s])}i=e.ruleRepetition;if(i&&i<3){raise(i,"options.ruleRepetition")}r.encode=encodeFactory(String(e.entities));r.escape=o(e);r.options=e;return r}function validateBoolean(e,r,t){var n=e[r];if(n==null){n=t}if(typeof n!=="boolean"){raise(n,"options."+r)}e[r]=n}function validateNumber(e,r,t){var n=e[r];if(n==null){n=t}if(isNaN(n)){raise(n,"options."+r)}e[r]=n}function validateString(e,r,t,n){var i=e[r];if(i==null){i=t}i=String(i);if(!(i in n)){raise(i,"options."+r)}e[r]=i}function validateFunction(e,r,t){var n=e[r];if(n==null){n=t}if(typeof n!=="function"){raise(n,"options."+r)}e[r]=n}function encodeFactory(e){var r={};if(e==="false"){return s}if(e==="true"){r.useNamedReferences=true}if(e==="escape"){r.escapeOnly=true;r.useNamedReferences=true}return wrapped;function wrapped(e){return i(e,r)}}function raise(e,r){throw new Error("Invalid value `"+e+"` for setting `"+r+"`")}},,,function(e){e.exports=require("module")},function(e){e.exports={AEli:"Æ",AElig:"Æ",AM:"&",AMP:"&",Aacut:"Á",Aacute:"Á",Abreve:"Ă",Acir:"Â",Acirc:"Â",Acy:"А",Afr:"𝔄",Agrav:"À",Agrave:"À",Alpha:"Α",Amacr:"Ā",And:"⩓",Aogon:"Ą",Aopf:"𝔸",ApplyFunction:"⁡",Arin:"Å",Aring:"Å",Ascr:"𝒜",Assign:"≔",Atild:"Ã",Atilde:"Ã",Aum:"Ä",Auml:"Ä",Backslash:"∖",Barv:"⫧",Barwed:"⌆",Bcy:"Б",Because:"∵",Bernoullis:"ℬ",Beta:"Β",Bfr:"𝔅",Bopf:"𝔹",Breve:"˘",Bscr:"ℬ",Bumpeq:"≎",CHcy:"Ч",COP:"©",COPY:"©",Cacute:"Ć",Cap:"⋒",CapitalDifferentialD:"ⅅ",Cayleys:"ℭ",Ccaron:"Č",Ccedi:"Ç",Ccedil:"Ç",Ccirc:"Ĉ",Cconint:"∰",Cdot:"Ċ",Cedilla:"¸",CenterDot:"·",Cfr:"ℭ",Chi:"Χ",CircleDot:"⊙",CircleMinus:"⊖",CirclePlus:"⊕",CircleTimes:"⊗",ClockwiseContourIntegral:"∲",CloseCurlyDoubleQuote:"”",CloseCurlyQuote:"’",Colon:"∷",Colone:"⩴",Congruent:"≡",Conint:"∯",ContourIntegral:"∮",Copf:"ℂ",Coproduct:"∐",CounterClockwiseContourIntegral:"∳",Cross:"⨯",Cscr:"𝒞",Cup:"⋓",CupCap:"≍",DD:"ⅅ",DDotrahd:"⤑",DJcy:"Ђ",DScy:"Ѕ",DZcy:"Џ",Dagger:"‡",Darr:"↡",Dashv:"⫤",Dcaron:"Ď",Dcy:"Д",Del:"∇",Delta:"Δ",Dfr:"𝔇",DiacriticalAcute:"´",DiacriticalDot:"˙",DiacriticalDoubleAcute:"˝",DiacriticalGrave:"`",DiacriticalTilde:"˜",Diamond:"⋄",DifferentialD:"ⅆ",Dopf:"𝔻",Dot:"¨",DotDot:"⃜",DotEqual:"≐",DoubleContourIntegral:"∯",DoubleDot:"¨",DoubleDownArrow:"⇓",DoubleLeftArrow:"⇐",DoubleLeftRightArrow:"⇔",DoubleLeftTee:"⫤",DoubleLongLeftArrow:"⟸",DoubleLongLeftRightArrow:"⟺",DoubleLongRightArrow:"⟹",DoubleRightArrow:"⇒",DoubleRightTee:"⊨",DoubleUpArrow:"⇑",DoubleUpDownArrow:"⇕",DoubleVerticalBar:"∥",DownArrow:"↓",DownArrowBar:"⤓",DownArrowUpArrow:"⇵",DownBreve:"̑",DownLeftRightVector:"⥐",DownLeftTeeVector:"⥞",DownLeftVector:"↽",DownLeftVectorBar:"⥖",DownRightTeeVector:"⥟",DownRightVector:"⇁",DownRightVectorBar:"⥗",DownTee:"⊤",DownTeeArrow:"↧",Downarrow:"⇓",Dscr:"𝒟",Dstrok:"Đ",ENG:"Ŋ",ET:"Ð",ETH:"Ð",Eacut:"É",Eacute:"É",Ecaron:"Ě",Ecir:"Ê",Ecirc:"Ê",Ecy:"Э",Edot:"Ė",Efr:"𝔈",Egrav:"È",Egrave:"È",Element:"∈",Emacr:"Ē",EmptySmallSquare:"◻",EmptyVerySmallSquare:"▫",Eogon:"Ę",Eopf:"𝔼",Epsilon:"Ε",Equal:"⩵",EqualTilde:"≂",Equilibrium:"⇌",Escr:"ℰ",Esim:"⩳",Eta:"Η",Eum:"Ë",Euml:"Ë",Exists:"∃",ExponentialE:"ⅇ",Fcy:"Ф",Ffr:"𝔉",FilledSmallSquare:"◼",FilledVerySmallSquare:"▪",Fopf:"𝔽",ForAll:"∀",Fouriertrf:"ℱ",Fscr:"ℱ",GJcy:"Ѓ",G:">",GT:">",Gamma:"Γ",Gammad:"Ϝ",Gbreve:"Ğ",Gcedil:"Ģ",Gcirc:"Ĝ",Gcy:"Г",Gdot:"Ġ",Gfr:"𝔊",Gg:"⋙",Gopf:"𝔾",GreaterEqual:"≥",GreaterEqualLess:"⋛",GreaterFullEqual:"≧",GreaterGreater:"⪢",GreaterLess:"≷",GreaterSlantEqual:"⩾",GreaterTilde:"≳",Gscr:"𝒢",Gt:"≫",HARDcy:"Ъ",Hacek:"ˇ",Hat:"^",Hcirc:"Ĥ",Hfr:"ℌ",HilbertSpace:"ℋ",Hopf:"ℍ",HorizontalLine:"─",Hscr:"ℋ",Hstrok:"Ħ",HumpDownHump:"≎",HumpEqual:"≏",IEcy:"Е",IJlig:"IJ",IOcy:"Ё",Iacut:"Í",Iacute:"Í",Icir:"Î",Icirc:"Î",Icy:"И",Idot:"İ",Ifr:"ℑ",Igrav:"Ì",Igrave:"Ì",Im:"ℑ",Imacr:"Ī",ImaginaryI:"ⅈ",Implies:"⇒",Int:"∬",Integral:"∫",Intersection:"⋂",InvisibleComma:"⁣",InvisibleTimes:"⁢",Iogon:"Į",Iopf:"𝕀",Iota:"Ι",Iscr:"ℐ",Itilde:"Ĩ",Iukcy:"І",Ium:"Ï",Iuml:"Ï",Jcirc:"Ĵ",Jcy:"Й",Jfr:"𝔍",Jopf:"𝕁",Jscr:"𝒥",Jsercy:"Ј",Jukcy:"Є",KHcy:"Х",KJcy:"Ќ",Kappa:"Κ",Kcedil:"Ķ",Kcy:"К",Kfr:"𝔎",Kopf:"𝕂",Kscr:"𝒦",LJcy:"Љ",L:"<",LT:"<",Lacute:"Ĺ",Lambda:"Λ",Lang:"⟪",Laplacetrf:"ℒ",Larr:"↞",Lcaron:"Ľ",Lcedil:"Ļ",Lcy:"Л",LeftAngleBracket:"⟨",LeftArrow:"←",LeftArrowBar:"⇤",LeftArrowRightArrow:"⇆",LeftCeiling:"⌈",LeftDoubleBracket:"⟦",LeftDownTeeVector:"⥡",LeftDownVector:"⇃",LeftDownVectorBar:"⥙",LeftFloor:"⌊",LeftRightArrow:"↔",LeftRightVector:"⥎",LeftTee:"⊣",LeftTeeArrow:"↤",LeftTeeVector:"⥚",LeftTriangle:"⊲",LeftTriangleBar:"⧏",LeftTriangleEqual:"⊴",LeftUpDownVector:"⥑",LeftUpTeeVector:"⥠",LeftUpVector:"↿",LeftUpVectorBar:"⥘",LeftVector:"↼",LeftVectorBar:"⥒",Leftarrow:"⇐",Leftrightarrow:"⇔",LessEqualGreater:"⋚",LessFullEqual:"≦",LessGreater:"≶",LessLess:"⪡",LessSlantEqual:"⩽",LessTilde:"≲",Lfr:"𝔏",Ll:"⋘",Lleftarrow:"⇚",Lmidot:"Ŀ",LongLeftArrow:"⟵",LongLeftRightArrow:"⟷",LongRightArrow:"⟶",Longleftarrow:"⟸",Longleftrightarrow:"⟺",Longrightarrow:"⟹",Lopf:"𝕃",LowerLeftArrow:"↙",LowerRightArrow:"↘",Lscr:"ℒ",Lsh:"↰",Lstrok:"Ł",Lt:"≪",Map:"⤅",Mcy:"М",MediumSpace:" ",Mellintrf:"ℳ",Mfr:"𝔐",MinusPlus:"∓",Mopf:"𝕄",Mscr:"ℳ",Mu:"Μ",NJcy:"Њ",Nacute:"Ń",Ncaron:"Ň",Ncedil:"Ņ",Ncy:"Н",NegativeMediumSpace:"​",NegativeThickSpace:"​",NegativeThinSpace:"​",NegativeVeryThinSpace:"​",NestedGreaterGreater:"≫",NestedLessLess:"≪",NewLine:"\n",Nfr:"𝔑",NoBreak:"⁠",NonBreakingSpace:" ",Nopf:"ℕ",Not:"⫬",NotCongruent:"≢",NotCupCap:"≭",NotDoubleVerticalBar:"∦",NotElement:"∉",NotEqual:"≠",NotEqualTilde:"≂̸",NotExists:"∄",NotGreater:"≯",NotGreaterEqual:"≱",NotGreaterFullEqual:"≧̸",NotGreaterGreater:"≫̸",NotGreaterLess:"≹",NotGreaterSlantEqual:"⩾̸",NotGreaterTilde:"≵",NotHumpDownHump:"≎̸",NotHumpEqual:"≏̸",NotLeftTriangle:"⋪",NotLeftTriangleBar:"⧏̸",NotLeftTriangleEqual:"⋬",NotLess:"≮",NotLessEqual:"≰",NotLessGreater:"≸",NotLessLess:"≪̸",NotLessSlantEqual:"⩽̸",NotLessTilde:"≴",NotNestedGreaterGreater:"⪢̸",NotNestedLessLess:"⪡̸",NotPrecedes:"⊀",NotPrecedesEqual:"⪯̸",NotPrecedesSlantEqual:"⋠",NotReverseElement:"∌",NotRightTriangle:"⋫",NotRightTriangleBar:"⧐̸",NotRightTriangleEqual:"⋭",NotSquareSubset:"⊏̸",NotSquareSubsetEqual:"⋢",NotSquareSuperset:"⊐̸",NotSquareSupersetEqual:"⋣",NotSubset:"⊂⃒",NotSubsetEqual:"⊈",NotSucceeds:"⊁",NotSucceedsEqual:"⪰̸",NotSucceedsSlantEqual:"⋡",NotSucceedsTilde:"≿̸",NotSuperset:"⊃⃒",NotSupersetEqual:"⊉",NotTilde:"≁",NotTildeEqual:"≄",NotTildeFullEqual:"≇",NotTildeTilde:"≉",NotVerticalBar:"∤",Nscr:"𝒩",Ntild:"Ñ",Ntilde:"Ñ",Nu:"Ν",OElig:"Œ",Oacut:"Ó",Oacute:"Ó",Ocir:"Ô",Ocirc:"Ô",Ocy:"О",Odblac:"Ő",Ofr:"𝔒",Ograv:"Ò",Ograve:"Ò",Omacr:"Ō",Omega:"Ω",Omicron:"Ο",Oopf:"𝕆",OpenCurlyDoubleQuote:"“",OpenCurlyQuote:"‘",Or:"⩔",Oscr:"𝒪",Oslas:"Ø",Oslash:"Ø",Otild:"Õ",Otilde:"Õ",Otimes:"⨷",Oum:"Ö",Ouml:"Ö",OverBar:"‾",OverBrace:"⏞",OverBracket:"⎴",OverParenthesis:"⏜",PartialD:"∂",Pcy:"П",Pfr:"𝔓",Phi:"Φ",Pi:"Π",PlusMinus:"±",Poincareplane:"ℌ",Popf:"ℙ",Pr:"⪻",Precedes:"≺",PrecedesEqual:"⪯",PrecedesSlantEqual:"≼",PrecedesTilde:"≾",Prime:"″",Product:"∏",Proportion:"∷",Proportional:"∝",Pscr:"𝒫",Psi:"Ψ",QUO:'"',QUOT:'"',Qfr:"𝔔",Qopf:"ℚ",Qscr:"𝒬",RBarr:"⤐",RE:"®",REG:"®",Racute:"Ŕ",Rang:"⟫",Rarr:"↠",Rarrtl:"⤖",Rcaron:"Ř",Rcedil:"Ŗ",Rcy:"Р",Re:"ℜ",ReverseElement:"∋",ReverseEquilibrium:"⇋",ReverseUpEquilibrium:"⥯",Rfr:"ℜ",Rho:"Ρ",RightAngleBracket:"⟩",RightArrow:"→",RightArrowBar:"⇥",RightArrowLeftArrow:"⇄",RightCeiling:"⌉",RightDoubleBracket:"⟧",RightDownTeeVector:"⥝",RightDownVector:"⇂",RightDownVectorBar:"⥕",RightFloor:"⌋",RightTee:"⊢",RightTeeArrow:"↦",RightTeeVector:"⥛",RightTriangle:"⊳",RightTriangleBar:"⧐",RightTriangleEqual:"⊵",RightUpDownVector:"⥏",RightUpTeeVector:"⥜",RightUpVector:"↾",RightUpVectorBar:"⥔",RightVector:"⇀",RightVectorBar:"⥓",Rightarrow:"⇒",Ropf:"ℝ",RoundImplies:"⥰",Rrightarrow:"⇛",Rscr:"ℛ",Rsh:"↱",RuleDelayed:"⧴",SHCHcy:"Щ",SHcy:"Ш",SOFTcy:"Ь",Sacute:"Ś",Sc:"⪼",Scaron:"Š",Scedil:"Ş",Scirc:"Ŝ",Scy:"С",Sfr:"𝔖",ShortDownArrow:"↓",ShortLeftArrow:"←",ShortRightArrow:"→",ShortUpArrow:"↑",Sigma:"Σ",SmallCircle:"∘",Sopf:"𝕊",Sqrt:"√",Square:"□",SquareIntersection:"⊓",SquareSubset:"⊏",SquareSubsetEqual:"⊑",SquareSuperset:"⊐",SquareSupersetEqual:"⊒",SquareUnion:"⊔",Sscr:"𝒮",Star:"⋆",Sub:"⋐",Subset:"⋐",SubsetEqual:"⊆",Succeeds:"≻",SucceedsEqual:"⪰",SucceedsSlantEqual:"≽",SucceedsTilde:"≿",SuchThat:"∋",Sum:"∑",Sup:"⋑",Superset:"⊃",SupersetEqual:"⊇",Supset:"⋑",THOR:"Þ",THORN:"Þ",TRADE:"™",TSHcy:"Ћ",TScy:"Ц",Tab:"\t",Tau:"Τ",Tcaron:"Ť",Tcedil:"Ţ",Tcy:"Т",Tfr:"𝔗",Therefore:"∴",Theta:"Θ",ThickSpace:"  ",ThinSpace:" ",Tilde:"∼",TildeEqual:"≃",TildeFullEqual:"≅",TildeTilde:"≈",Topf:"𝕋",TripleDot:"⃛",Tscr:"𝒯",Tstrok:"Ŧ",Uacut:"Ú",Uacute:"Ú",Uarr:"↟",Uarrocir:"⥉",Ubrcy:"Ў",Ubreve:"Ŭ",Ucir:"Û",Ucirc:"Û",Ucy:"У",Udblac:"Ű",Ufr:"𝔘",Ugrav:"Ù",Ugrave:"Ù",Umacr:"Ū",UnderBar:"_",UnderBrace:"⏟",UnderBracket:"⎵",UnderParenthesis:"⏝",Union:"⋃",UnionPlus:"⊎",Uogon:"Ų",Uopf:"𝕌",UpArrow:"↑",UpArrowBar:"⤒",UpArrowDownArrow:"⇅",UpDownArrow:"↕",UpEquilibrium:"⥮",UpTee:"⊥",UpTeeArrow:"↥",Uparrow:"⇑",Updownarrow:"⇕",UpperLeftArrow:"↖",UpperRightArrow:"↗",Upsi:"ϒ",Upsilon:"Υ",Uring:"Ů",Uscr:"𝒰",Utilde:"Ũ",Uum:"Ü",Uuml:"Ü",VDash:"⊫",Vbar:"⫫",Vcy:"В",Vdash:"⊩",Vdashl:"⫦",Vee:"⋁",Verbar:"‖",Vert:"‖",VerticalBar:"∣",VerticalLine:"|",VerticalSeparator:"❘",VerticalTilde:"≀",VeryThinSpace:" ",Vfr:"𝔙",Vopf:"𝕍",Vscr:"𝒱",Vvdash:"⊪",Wcirc:"Ŵ",Wedge:"⋀",Wfr:"𝔚",Wopf:"𝕎",Wscr:"𝒲",Xfr:"𝔛",Xi:"Ξ",Xopf:"𝕏",Xscr:"𝒳",YAcy:"Я",YIcy:"Ї",YUcy:"Ю",Yacut:"Ý",Yacute:"Ý",Ycirc:"Ŷ",Ycy:"Ы",Yfr:"𝔜",Yopf:"𝕐",Yscr:"𝒴",Yuml:"Ÿ",ZHcy:"Ж",Zacute:"Ź",Zcaron:"Ž",Zcy:"З",Zdot:"Ż",ZeroWidthSpace:"​",Zeta:"Ζ",Zfr:"ℨ",Zopf:"ℤ",Zscr:"𝒵",aacut:"á",aacute:"á",abreve:"ă",ac:"∾",acE:"∾̳",acd:"∿",acir:"â",acirc:"â",acut:"´",acute:"´",acy:"а",aeli:"æ",aelig:"æ",af:"⁡",afr:"𝔞",agrav:"à",agrave:"à",alefsym:"ℵ",aleph:"ℵ",alpha:"α",amacr:"ā",amalg:"⨿",am:"&",amp:"&",and:"∧",andand:"⩕",andd:"⩜",andslope:"⩘",andv:"⩚",ang:"∠",ange:"⦤",angle:"∠",angmsd:"∡",angmsdaa:"⦨",angmsdab:"⦩",angmsdac:"⦪",angmsdad:"⦫",angmsdae:"⦬",angmsdaf:"⦭",angmsdag:"⦮",angmsdah:"⦯",angrt:"∟",angrtvb:"⊾",angrtvbd:"⦝",angsph:"∢",angst:"Å",angzarr:"⍼",aogon:"ą",aopf:"𝕒",ap:"≈",apE:"⩰",apacir:"⩯",ape:"≊",apid:"≋",apos:"'",approx:"≈",approxeq:"≊",arin:"å",aring:"å",ascr:"𝒶",ast:"*",asymp:"≈",asympeq:"≍",atild:"ã",atilde:"ã",aum:"ä",auml:"ä",awconint:"∳",awint:"⨑",bNot:"⫭",backcong:"≌",backepsilon:"϶",backprime:"‵",backsim:"∽",backsimeq:"⋍",barvee:"⊽",barwed:"⌅",barwedge:"⌅",bbrk:"⎵",bbrktbrk:"⎶",bcong:"≌",bcy:"б",bdquo:"„",becaus:"∵",because:"∵",bemptyv:"⦰",bepsi:"϶",bernou:"ℬ",beta:"β",beth:"ℶ",between:"≬",bfr:"𝔟",bigcap:"⋂",bigcirc:"◯",bigcup:"⋃",bigodot:"⨀",bigoplus:"⨁",bigotimes:"⨂",bigsqcup:"⨆",bigstar:"★",bigtriangledown:"▽",bigtriangleup:"△",biguplus:"⨄",bigvee:"⋁",bigwedge:"⋀",bkarow:"⤍",blacklozenge:"⧫",blacksquare:"▪",blacktriangle:"▴",blacktriangledown:"▾",blacktriangleleft:"◂",blacktriangleright:"▸",blank:"␣",blk12:"▒",blk14:"░",blk34:"▓",block:"█",bne:"=⃥",bnequiv:"≡⃥",bnot:"⌐",bopf:"𝕓",bot:"⊥",bottom:"⊥",bowtie:"⋈",boxDL:"╗",boxDR:"╔",boxDl:"╖",boxDr:"╓",boxH:"═",boxHD:"╦",boxHU:"╩",boxHd:"╤",boxHu:"╧",boxUL:"╝",boxUR:"╚",boxUl:"╜",boxUr:"╙",boxV:"║",boxVH:"╬",boxVL:"╣",boxVR:"╠",boxVh:"╫",boxVl:"╢",boxVr:"╟",boxbox:"⧉",boxdL:"╕",boxdR:"╒",boxdl:"┐",boxdr:"┌",boxh:"─",boxhD:"╥",boxhU:"╨",boxhd:"┬",boxhu:"┴",boxminus:"⊟",boxplus:"⊞",boxtimes:"⊠",boxuL:"╛",boxuR:"╘",boxul:"┘",boxur:"└",boxv:"│",boxvH:"╪",boxvL:"╡",boxvR:"╞",boxvh:"┼",boxvl:"┤",boxvr:"├",bprime:"‵",breve:"˘",brvba:"¦",brvbar:"¦",bscr:"𝒷",bsemi:"⁏",bsim:"∽",bsime:"⋍",bsol:"\\",bsolb:"⧅",bsolhsub:"⟈",bull:"•",bullet:"•",bump:"≎",bumpE:"⪮",bumpe:"≏",bumpeq:"≏",cacute:"ć",cap:"∩",capand:"⩄",capbrcup:"⩉",capcap:"⩋",capcup:"⩇",capdot:"⩀",caps:"∩︀",caret:"⁁",caron:"ˇ",ccaps:"⩍",ccaron:"č",ccedi:"ç",ccedil:"ç",ccirc:"ĉ",ccups:"⩌",ccupssm:"⩐",cdot:"ċ",cedi:"¸",cedil:"¸",cemptyv:"⦲",cen:"¢",cent:"¢",centerdot:"·",cfr:"𝔠",chcy:"ч",check:"✓",checkmark:"✓",chi:"χ",cir:"○",cirE:"⧃",circ:"ˆ",circeq:"≗",circlearrowleft:"↺",circlearrowright:"↻",circledR:"®",circledS:"Ⓢ",circledast:"⊛",circledcirc:"⊚",circleddash:"⊝",cire:"≗",cirfnint:"⨐",cirmid:"⫯",cirscir:"⧂",clubs:"♣",clubsuit:"♣",colon:":",colone:"≔",coloneq:"≔",comma:",",commat:"@",comp:"∁",compfn:"∘",complement:"∁",complexes:"ℂ",cong:"≅",congdot:"⩭",conint:"∮",copf:"𝕔",coprod:"∐",cop:"©",copy:"©",copysr:"℗",crarr:"↵",cross:"✗",cscr:"𝒸",csub:"⫏",csube:"⫑",csup:"⫐",csupe:"⫒",ctdot:"⋯",cudarrl:"⤸",cudarrr:"⤵",cuepr:"⋞",cuesc:"⋟",cularr:"↶",cularrp:"⤽",cup:"∪",cupbrcap:"⩈",cupcap:"⩆",cupcup:"⩊",cupdot:"⊍",cupor:"⩅",cups:"∪︀",curarr:"↷",curarrm:"⤼",curlyeqprec:"⋞",curlyeqsucc:"⋟",curlyvee:"⋎",curlywedge:"⋏",curre:"¤",curren:"¤",curvearrowleft:"↶",curvearrowright:"↷",cuvee:"⋎",cuwed:"⋏",cwconint:"∲",cwint:"∱",cylcty:"⌭",dArr:"⇓",dHar:"⥥",dagger:"†",daleth:"ℸ",darr:"↓",dash:"‐",dashv:"⊣",dbkarow:"⤏",dblac:"˝",dcaron:"ď",dcy:"д",dd:"ⅆ",ddagger:"‡",ddarr:"⇊",ddotseq:"⩷",de:"°",deg:"°",delta:"δ",demptyv:"⦱",dfisht:"⥿",dfr:"𝔡",dharl:"⇃",dharr:"⇂",diam:"⋄",diamond:"⋄",diamondsuit:"♦",diams:"♦",die:"¨",digamma:"ϝ",disin:"⋲",div:"÷",divid:"÷",divide:"÷",divideontimes:"⋇",divonx:"⋇",djcy:"ђ",dlcorn:"⌞",dlcrop:"⌍",dollar:"$",dopf:"𝕕",dot:"˙",doteq:"≐",doteqdot:"≑",dotminus:"∸",dotplus:"∔",dotsquare:"⊡",doublebarwedge:"⌆",downarrow:"↓",downdownarrows:"⇊",downharpoonleft:"⇃",downharpoonright:"⇂",drbkarow:"⤐",drcorn:"⌟",drcrop:"⌌",dscr:"𝒹",dscy:"ѕ",dsol:"⧶",dstrok:"đ",dtdot:"⋱",dtri:"▿",dtrif:"▾",duarr:"⇵",duhar:"⥯",dwangle:"⦦",dzcy:"џ",dzigrarr:"⟿",eDDot:"⩷",eDot:"≑",eacut:"é",eacute:"é",easter:"⩮",ecaron:"ě",ecir:"ê",ecirc:"ê",ecolon:"≕",ecy:"э",edot:"ė",ee:"ⅇ",efDot:"≒",efr:"𝔢",eg:"⪚",egrav:"è",egrave:"è",egs:"⪖",egsdot:"⪘",el:"⪙",elinters:"⏧",ell:"ℓ",els:"⪕",elsdot:"⪗",emacr:"ē",empty:"∅",emptyset:"∅",emptyv:"∅",emsp13:" ",emsp14:" ",emsp:" ",eng:"ŋ",ensp:" ",eogon:"ę",eopf:"𝕖",epar:"⋕",eparsl:"⧣",eplus:"⩱",epsi:"ε",epsilon:"ε",epsiv:"ϵ",eqcirc:"≖",eqcolon:"≕",eqsim:"≂",eqslantgtr:"⪖",eqslantless:"⪕",equals:"=",equest:"≟",equiv:"≡",equivDD:"⩸",eqvparsl:"⧥",erDot:"≓",erarr:"⥱",escr:"ℯ",esdot:"≐",esim:"≂",eta:"η",et:"ð",eth:"ð",eum:"ë",euml:"ë",euro:"€",excl:"!",exist:"∃",expectation:"ℰ",exponentiale:"ⅇ",fallingdotseq:"≒",fcy:"ф",female:"♀",ffilig:"ffi",fflig:"ff",ffllig:"ffl",ffr:"𝔣",filig:"fi",fjlig:"fj",flat:"♭",fllig:"fl",fltns:"▱",fnof:"ƒ",fopf:"𝕗",forall:"∀",fork:"⋔",forkv:"⫙",fpartint:"⨍",frac1:"¼",frac12:"½",frac13:"⅓",frac14:"¼",frac15:"⅕",frac16:"⅙",frac18:"⅛",frac23:"⅔",frac25:"⅖",frac3:"¾",frac34:"¾",frac35:"⅗",frac38:"⅜",frac45:"⅘",frac56:"⅚",frac58:"⅝",frac78:"⅞",frasl:"⁄",frown:"⌢",fscr:"𝒻",gE:"≧",gEl:"⪌",gacute:"ǵ",gamma:"γ",gammad:"ϝ",gap:"⪆",gbreve:"ğ",gcirc:"ĝ",gcy:"г",gdot:"ġ",ge:"≥",gel:"⋛",geq:"≥",geqq:"≧",geqslant:"⩾",ges:"⩾",gescc:"⪩",gesdot:"⪀",gesdoto:"⪂",gesdotol:"⪄",gesl:"⋛︀",gesles:"⪔",gfr:"𝔤",gg:"≫",ggg:"⋙",gimel:"ℷ",gjcy:"ѓ",gl:"≷",glE:"⪒",gla:"⪥",glj:"⪤",gnE:"≩",gnap:"⪊",gnapprox:"⪊",gne:"⪈",gneq:"⪈",gneqq:"≩",gnsim:"⋧",gopf:"𝕘",grave:"`",gscr:"ℊ",gsim:"≳",gsime:"⪎",gsiml:"⪐",g:">",gt:">",gtcc:"⪧",gtcir:"⩺",gtdot:"⋗",gtlPar:"⦕",gtquest:"⩼",gtrapprox:"⪆",gtrarr:"⥸",gtrdot:"⋗",gtreqless:"⋛",gtreqqless:"⪌",gtrless:"≷",gtrsim:"≳",gvertneqq:"≩︀",gvnE:"≩︀",hArr:"⇔",hairsp:" ",half:"½",hamilt:"ℋ",hardcy:"ъ",harr:"↔",harrcir:"⥈",harrw:"↭",hbar:"ℏ",hcirc:"ĥ",hearts:"♥",heartsuit:"♥",hellip:"…",hercon:"⊹",hfr:"𝔥",hksearow:"⤥",hkswarow:"⤦",hoarr:"⇿",homtht:"∻",hookleftarrow:"↩",hookrightarrow:"↪",hopf:"𝕙",horbar:"―",hscr:"𝒽",hslash:"ℏ",hstrok:"ħ",hybull:"⁃",hyphen:"‐",iacut:"í",iacute:"í",ic:"⁣",icir:"î",icirc:"î",icy:"и",iecy:"е",iexc:"¡",iexcl:"¡",iff:"⇔",ifr:"𝔦",igrav:"ì",igrave:"ì",ii:"ⅈ",iiiint:"⨌",iiint:"∭",iinfin:"⧜",iiota:"℩",ijlig:"ij",imacr:"ī",image:"ℑ",imagline:"ℐ",imagpart:"ℑ",imath:"ı",imof:"⊷",imped:"Ƶ",in:"∈",incare:"℅",infin:"∞",infintie:"⧝",inodot:"ı",int:"∫",intcal:"⊺",integers:"ℤ",intercal:"⊺",intlarhk:"⨗",intprod:"⨼",iocy:"ё",iogon:"į",iopf:"𝕚",iota:"ι",iprod:"⨼",iques:"¿",iquest:"¿",iscr:"𝒾",isin:"∈",isinE:"⋹",isindot:"⋵",isins:"⋴",isinsv:"⋳",isinv:"∈",it:"⁢",itilde:"ĩ",iukcy:"і",ium:"ï",iuml:"ï",jcirc:"ĵ",jcy:"й",jfr:"𝔧",jmath:"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true}}}return false};const $=()=>o&&L.size<128;const H=(e,r)=>{let t=0;while(!e.indexOf(r)&&(e=i.dirname(e))!==r)t++;return t};class FsEventsHandler{constructor(e){this.fsw=e}checkIgnored(e,r){const t=this.fsw._ignoredPaths;if(this.fsw._isIgnored(e,r)){t.add(e);if(r&&r.isDirectory()){t.add(e+A)}return true}t.delete(e);t.delete(e+A)}addOrChange(e,r,t,n,i,u,o,f){const c=i.has(u)?a:s;this.handleEvent(c,e,r,t,n,i,u,o,f)}async checkFd(e,r,t,n,i,u,o,s){try{const a=await k(e,_);if(this.fsw.closed)return;await x(a);if(this.fsw.closed)return;this.addOrChange(e,r,t,n,i,u,o,s)}catch(a){if(a.code==="EACCES"){this.addOrChange(e,r,t,n,i,u,o,s)}else{this.handleEvent(c,e,r,t,n,i,u,o,s)}}}handleEvent(e,r,t,n,i,u,o,a,l){if(this.fsw.closed||this.checkIgnored(r))return;if(e===c){if(a.type===E||u.has(o)){this.fsw._remove(i,o)}}else{if(e===s){if(a.type===E)this.fsw._getWatchedDir(r);if(a.type===b&&l.followSymlinks){const e=l.depth===undefined?undefined:H(t,n)+1;return 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s}async _handleFsEventsSymlink(e,r,t,n){if(this.fsw.closed||this.fsw._symlinkPaths.has(r))return;this.fsw._symlinkPaths.set(r,true);this.fsw._incrReadyCount();try{const r=await T(e);if(this.fsw.closed)return;if(this.fsw._isIgnored(r)){return this.fsw._emitReady()}this.fsw._incrReadyCount();this._addToFsEvents(r||e,n=>{let u=e;if(r&&r!==w){u=n.replace(r,e)}else if(n!==w){u=i.join(e,n)}return t(u)},false,n)}catch(e){if(this.fsw._handleError(e)){return this.fsw._emitReady()}}}emitAdd(e,r,t,n,u){const o=t(e);const a=r.isDirectory();const c=this.fsw._getWatchedDir(i.dirname(o));const l=i.basename(o);if(a)this.fsw._getWatchedDir(o);if(c.has(l))return;c.add(l);if(!n.ignoreInitial||u===true){this.fsw._emit(a?f:s,o,r)}}initWatch(e,r,t,n){if(this.fsw.closed)return;const u=this._watchWithFsEvents(t.watchPath,i.resolve(e||t.watchPath),n,t.globFilter);this.fsw._addPathCloser(r,u)}async _addToFsEvents(e,r,t,n){if(this.fsw.closed){return}const u=this.fsw.options;const o=typeof r===F?r:S;const s=this.fsw._getWatchHelpers(e);try{const r=await I[s.statMethod](s.watchPath);if(this.fsw.closed)return;if(this.fsw._isIgnored(s.watchPath,r)){throw null}if(r.isDirectory()){if(!s.globFilter)this.emitAdd(o(e),r,o,u,t);if(n&&n>u.depth)return;this.fsw._readdirp(s.watchPath,{fileFilter:e=>s.filterPath(e),directoryFilter:e=>s.filterDir(e),...B(u.depth-(n||0))}).on(p,e=>{if(this.fsw.closed){return}if(e.stats.isDirectory()&&!s.filterPath(e))return;const r=i.join(s.watchPath,e.path);const{fullPath:n}=e;if(s.followSymlinks&&e.stats.isSymbolicLink()){const e=u.depth===undefined?undefined:H(r,i.resolve(s.watchPath))+1;this._handleFsEventsSymlink(r,n,o,e)}else{this.emitAdd(r,e.stats,o,u,t)}}).on(l,y).on(h,()=>{this.fsw._emitReady()})}else{this.emitAdd(s.watchPath,r,o,u,t);this.fsw._emitReady()}}catch(e){if(!e||this.fsw._handleError(e)){this.fsw._emitReady();this.fsw._emitReady()}}if(u.persistent&&t!==true){if(typeof r===F){this.initWatch(undefined,e,s,o)}else{let r;try{r=await 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A=h.isIgnored;var C=t(49);function glob(e,r,t){if(typeof r==="function")t=r,r={};if(!r)r={};if(r.sync){if(t)throw new TypeError("callback provided to sync glob");return p(e,r)}return new Glob(e,r,t)}glob.sync=p;var w=glob.GlobSync=p.GlobSync;glob.glob=glob;function extend(e,r){if(r===null||typeof r!=="object"){return e}var t=Object.keys(r);var n=t.length;while(n--){e[t[n]]=r[t[n]]}return e}glob.hasMagic=function(e,r){var t=extend({},r);t.noprocess=true;var n=new Glob(e,t);var i=n.minimatch.set;if(!e)return false;if(i.length>1)return true;for(var u=0;uthis.maxLength)return r();if(!this.stat&&g(this.cache,t)){var u=this.cache[t];if(Array.isArray(u))u="DIR";if(!i||u==="DIR")return r(null,u);if(i&&u==="FILE")return r()}var o;var s=this.statCache[t];if(s!==undefined){if(s===false)return r(null,s);else{var a=s.isDirectory()?"DIR":"FILE";if(i&&a==="FILE")return r();else return r(null,a,s)}}var f=this;var c=m("stat\0"+t,lstatcb_);if(c)n.lstat(t,c);function lstatcb_(i,u){if(u&&u.isSymbolicLink()){return n.stat(t,function(n,i){if(n)f._stat2(e,t,null,u,r);else f._stat2(e,t,n,i,r)})}else{f._stat2(e,t,i,u,r)}}};Glob.prototype._stat2=function(e,r,t,n,i){if(t&&(t.code==="ENOENT"||t.code==="ENOTDIR")){this.statCache[r]=false;return i()}var u=e.slice(-1)==="/";this.statCache[r]=n;if(r.slice(-1)==="/"&&n&&!n.isDirectory())return i(null,false,n);var o=true;if(n)o=n.isDirectory()?"DIR":"FILE";this.cache[r]=this.cache[r]||o;if(u&&o==="FILE")return i();return i(null,o,n)}},,function(e,r,t){"use strict";var n=t(578);var i=t(349);e.exports=footnoteDefinition;footnoteDefinition.notInList=true;footnoteDefinition.notInBlock=true;var u="\\";var o="\n";var s="\t";var a=" ";var f="[";var c="]";var l="^";var p=":";var h=/^( {4}|\t)?/gm;function footnoteDefinition(e,r,t){var v=this;var D=v.offset;var d;var g;var m;var E;var b;var A;var C;var w;var F;var y;var S;var _;if(!v.options.footnotes){return}d=0;g=r.length;m="";E=e.now();b=E.line;while(d=0){r=r.slice(1)}if(r===".inf"){return t===1?Number.POSITIVE_INFINITY:Number.NEGATIVE_INFINITY}else if(r===".nan"){return NaN}else if(r.indexOf(":")>=0){r.split(":").forEach(function(e){i.unshift(parseFloat(e,10))});r=0;n=1;i.forEach(function(e){r+=e*n;n*=60});return t*r}return t*parseFloat(r,10)}var o=/^[-+]?[0-9]+e/;function representYamlFloat(e,r){var t;if(isNaN(e)){switch(r){case"lowercase":return".nan";case"uppercase":return".NAN";case"camelcase":return".NaN"}}else if(Number.POSITIVE_INFINITY===e){switch(r){case"lowercase":return".inf";case"uppercase":return".INF";case"camelcase":return".Inf"}}else if(Number.NEGATIVE_INFINITY===e){switch(r){case"lowercase":return"-.inf";case"uppercase":return"-.INF";case"camelcase":return"-.Inf"}}else if(n.isNegativeZero(e)){return"-0.0"}t=e.toString(10);return o.test(t)?t.replace("e",".e"):t}function isFloat(e){return Object.prototype.toString.call(e)==="[object 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throwWarning(e,r){if(e.onWarning){e.onWarning.call(null,generateError(e,r))}}var F={YAML:function handleYamlDirective(e,r,t){var n,i,u;if(e.version!==null){throwError(e,"duplication of %YAML directive")}if(t.length!==1){throwError(e,"YAML directive accepts exactly one argument")}n=/^([0-9]+)\.([0-9]+)$/.exec(t[0]);if(n===null){throwError(e,"ill-formed argument of the YAML directive")}i=parseInt(n[1],10);u=parseInt(n[2],10);if(i!==1){throwError(e,"unacceptable YAML version of the document")}e.version=t[0];e.checkLineBreaks=u<2;if(u!==1&&u!==2){throwWarning(e,"unsupported YAML version of the document")}},TAG:function handleTagDirective(e,r,t){var n,i;if(t.length!==2){throwError(e,"TAG directive accepts exactly two arguments")}n=t[0];i=t[1];if(!E.test(n)){throwError(e,"ill-formed tag handle (first argument) of the TAG directive")}if(a.call(e.tagMap,n)){throwError(e,'there is a previously declared suffix for "'+n+'" tag handle')}if(!b.test(i)){throwError(e,"ill-formed tag prefix (second 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if(is_EOL(h)){a=e.line;f=e.lineStart;c=e.lineIndent;skipSeparationSpace(e,false,-1);if(e.lineIndent>=r){s=true;h=e.input.charCodeAt(e.position);continue}else{e.position=o;e.line=a;e.lineStart=f;e.lineIndent=c;break}}if(s){captureSegment(e,u,o,false);writeFoldedLines(e,e.line-a);u=o=e.position;s=false}if(!is_WHITE_SPACE(h)){o=e.position+1}h=e.input.charCodeAt(++e.position)}captureSegment(e,u,o,false);if(e.result){return true}e.kind=l;e.result=p;return false}function readSingleQuotedScalar(e,r){var t,n,i;t=e.input.charCodeAt(e.position);if(t!==39){return false}e.kind="scalar";e.result="";e.position++;n=i=e.position;while((t=e.input.charCodeAt(e.position))!==0){if(t===39){captureSegment(e,n,e.position,true);t=e.input.charCodeAt(++e.position);if(t===39){n=e.position;e.position++;i=e.position}else{return true}}else if(is_EOL(t)){captureSegment(e,n,i,true);writeFoldedLines(e,skipSeparationSpace(e,false,r));n=i=e.position}else if(e.position===e.lineStart&&testDocumentSeparator(e)){throwError(e,"unexpected end of the document within a single quoted scalar")}else{e.position++;i=e.position}}throwError(e,"unexpected end of the stream within a single quoted scalar")}function readDoubleQuotedScalar(e,r){var t,n,i,u,o,s;s=e.input.charCodeAt(e.position);if(s!==34){return false}e.kind="scalar";e.result="";e.position++;t=n=e.position;while((s=e.input.charCodeAt(e.position))!==0){if(s===34){captureSegment(e,t,e.position,true);e.position++;return true}else if(s===92){captureSegment(e,t,e.position,true);s=e.input.charCodeAt(++e.position);if(is_EOL(s)){skipSeparationSpace(e,false,r)}else if(s<256&&A[s]){e.result+=C[s];e.position++}else if((o=escapedHexLen(s))>0){i=o;u=0;for(;i>0;i--){s=e.input.charCodeAt(++e.position);if((o=fromHexCode(s))>=0){u=(u<<4)+o}else{throwError(e,"expected hexadecimal character")}}e.result+=charFromCodepoint(u);e.position++}else{throwError(e,"unknown escape sequence")}t=n=e.position}else if(is_EOL(s)){captureSegment(e,t,n,true);writeFoldedLines(e,skipSeparationSpace(e,false,r));t=n=e.position}else if(e.position===e.lineStart&&testDocumentSeparator(e)){throwError(e,"unexpected end of the document within a double quoted scalar")}else{e.position++;n=e.position}}throwError(e,"unexpected end of the stream within a double quoted scalar")}function readFlowCollection(e,r){var t=true,n,i=e.tag,u,o=e.anchor,s,a,c,l,p,h={},v,D,d,g;g=e.input.charCodeAt(e.position);if(g===91){a=93;p=false;u=[]}else if(g===123){a=125;p=true;u={}}else{return false}if(e.anchor!==null){e.anchorMap[e.anchor]=u}g=e.input.charCodeAt(++e.position);while(g!==0){skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if(g===a){e.position++;e.tag=i;e.anchor=o;e.kind=p?"mapping":"sequence";e.result=u;return true}else if(!t){throwError(e,"missed comma between flow collection entries")}D=v=d=null;c=l=false;if(g===63){s=e.input.charCodeAt(e.position+1);if(is_WS_OR_EOL(s)){c=l=true;e.position++;skipSeparationSpace(e,true,r)}}n=e.line;composeNode(e,r,f,false,true);D=e.tag;v=e.result;skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if((l||e.line===n)&&g===58){c=true;g=e.input.charCodeAt(++e.position);skipSeparationSpace(e,true,r);composeNode(e,r,f,false,true);d=e.result}if(p){storeMappingPair(e,u,h,D,v,d)}else if(c){u.push(storeMappingPair(e,null,h,D,v,d))}else{u.push(v)}skipSeparationSpace(e,true,r);g=e.input.charCodeAt(e.position);if(g===44){t=true;g=e.input.charCodeAt(++e.position)}else{t=false}}throwError(e,"unexpected end of the stream within a flow collection")}function readBlockScalar(e,r){var t,i,u=h,o=false,s=false,a=r,f=0,c=false,l,p;p=e.input.charCodeAt(e.position);if(p===124){i=false}else if(p===62){i=true}else{return false}e.kind="scalar";e.result="";while(p!==0){p=e.input.charCodeAt(++e.position);if(p===43||p===45){if(h===u){u=p===43?D:v}else{throwError(e,"repeat of a chomping mode identifier")}}else if((l=fromDecimalCode(p))>=0){if(l===0){throwError(e,"bad explicit indentation width of a block scalar; it cannot be less than one")}else if(!s){a=r+l-1;s=true}else{throwError(e,"repeat of an indentation width identifier")}}else{break}}if(is_WHITE_SPACE(p)){do{p=e.input.charCodeAt(++e.position)}while(is_WHITE_SPACE(p));if(p===35){do{p=e.input.charCodeAt(++e.position)}while(!is_EOL(p)&&p!==0)}}while(p!==0){readLineBreak(e);e.lineIndent=0;p=e.input.charCodeAt(e.position);while((!s||e.lineIndenta){a=e.lineIndent}if(is_EOL(p)){f++;continue}if(e.lineIndentr)&&a!==0){throwError(e,"bad indentation of a sequence entry")}else if(e.lineIndentr){if(composeNode(e,r,p,true,i)){if(d){v=e.result}else{D=e.result}}if(!d){storeMappingPair(e,f,l,h,v,D,u,o);h=v=D=null}skipSeparationSpace(e,true,-1);m=e.input.charCodeAt(e.position)}if(e.lineIndent>r&&m!==0){throwError(e,"bad indentation of a mapping entry")}else if(e.lineIndentr){h=1}else if(e.lineIndent===r){h=0}else if(e.lineIndentr){h=1}else if(e.lineIndent===r){h=0}else if(e.lineIndent tag; it should be "'+m.kind+'", not "'+e.kind+'"')}if(!m.resolve(e.result)){throwError(e,"cannot resolve a node with !<"+e.tag+"> explicit tag")}else{e.result=m.construct(e.result);if(e.anchor!==null){e.anchorMap[e.anchor]=e.result}}}else{throwError(e,"unknown tag !<"+e.tag+">")}}if(e.listener!==null){e.listener("close",e)}return e.tag!==null||e.anchor!==null||D}function readDocument(e){var r=e.position,t,n,i,u=false,o;e.version=null;e.checkLineBreaks=e.legacy;e.tagMap={};e.anchorMap={};while((o=e.input.charCodeAt(e.position))!==0){skipSeparationSpace(e,true,-1);o=e.input.charCodeAt(e.position);if(e.lineIndent>0||o!==37){break}u=true;o=e.input.charCodeAt(++e.position);t=e.position;while(o!==0&&!is_WS_OR_EOL(o)){o=e.input.charCodeAt(++e.position)}n=e.input.slice(t,e.position);i=[];if(n.length<1){throwError(e,"directive name must not be less than one character in length")}while(o!==0){while(is_WHITE_SPACE(o)){o=e.input.charCodeAt(++e.position)}if(o===35){do{o=e.input.charCodeAt(++e.position)}while(o!==0&&!is_EOL(o));break}if(is_EOL(o))break;t=e.position;while(o!==0&&!is_WS_OR_EOL(o)){o=e.input.charCodeAt(++e.position)}i.push(e.input.slice(t,e.position))}if(o!==0)readLineBreak(e);if(a.call(F,n)){F[n](e,n,i)}else{throwWarning(e,'unknown document directive 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l=t(359);var p=t(793);var h=t(466),v=h.getHighWaterMark;var D=t(818).codes,d=D.ERR_INVALID_ARG_TYPE,g=D.ERR_STREAM_PUSH_AFTER_EOF,m=D.ERR_METHOD_NOT_IMPLEMENTED,E=D.ERR_STREAM_UNSHIFT_AFTER_END_EVENT;var b=t(934),A=b.emitExperimentalWarning;var C;var w;t(689)(Readable,o);var F=["error","close","destroy","pause","resume"];function prependListener(e,r,t){if(typeof e.prependListener==="function")return e.prependListener(r,t);if(!e._events||!e._events[r])e.on(r,t);else if(Array.isArray(e._events[r]))e._events[r].unshift(t);else e._events[r]=[t,e._events[r]]}function ReadableState(e,r,i){n=n||t(308);e=e||{};if(typeof i!=="boolean")i=r instanceof n;this.objectMode=!!e.objectMode;if(i)this.objectMode=this.objectMode||!!e.readableObjectMode;this.highWaterMark=v(this,e,"readableHighWaterMark",i);this.buffer=new 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this._readableState.destroyed},set:function set(e){if(!this._readableState){return}this._readableState.destroyed=e}});Readable.prototype.destroy=p.destroy;Readable.prototype._undestroy=p.undestroy;Readable.prototype._destroy=function(e,r){r(e)};Readable.prototype.push=function(e,r){var t=this._readableState;var n;if(!t.objectMode){if(typeof e==="string"){r=r||t.defaultEncoding;if(r!==t.encoding){e=s.from(e,r);r=""}n=true}}else{n=true}return readableAddChunk(this,e,r,false,n)};Readable.prototype.unshift=function(e){return readableAddChunk(this,e,null,true,false)};function readableAddChunk(e,r,t,n,i){c("readableAddChunk",r);var u=e._readableState;if(r===null){u.reading=false;onEofChunk(e,u)}else{var o;if(!i)o=chunkInvalid(u,r);if(o){e.emit("error",o)}else if(u.objectMode||r&&r.length>0){if(typeof r!=="string"&&!u.objectMode&&Object.getPrototypeOf(r)!==s.prototype){r=_uint8ArrayToBuffer(r)}if(n){if(u.endEmitted)e.emit("error",new E);else addChunk(e,u,r,true)}else if(u.ended){e.emit("error",new g)}else if(u.destroyed){return false}else{u.reading=false;if(u.decoder&&!t){r=u.decoder.write(r);if(u.objectMode||r.length!==0)addChunk(e,u,r,false);else maybeReadMore(e,u)}else{addChunk(e,u,r,false)}}}else if(!n){u.reading=false;maybeReadMore(e,u)}}return!u.ended&&(u.length=y){e=y}else{e--;e|=e>>>1;e|=e>>>2;e|=e>>>4;e|=e>>>8;e|=e>>>16;e++}return e}function howMuchToRead(e,r){if(e<=0||r.length===0&&r.ended)return 0;if(r.objectMode)return 1;if(e!==e){if(r.flowing&&r.length)return r.buffer.head.data.length;else return r.length}if(e>r.highWaterMark)r.highWaterMark=computeNewHighWaterMark(e);if(e<=r.length)return e;if(!r.ended){r.needReadable=true;return 0}return r.length}Readable.prototype.read=function(e){c("read",e);e=parseInt(e,10);var r=this._readableState;var t=e;if(e!==0)r.emittedReadable=false;if(e===0&&r.needReadable&&((r.highWaterMark!==0?r.length>=r.highWaterMark:r.length>0)||r.ended)){c("read: emitReadable",r.length,r.ended);if(r.length===0&&r.ended)endReadable(this);else emitReadable(this);return null}e=howMuchToRead(e,r);if(e===0&&r.ended){if(r.length===0)endReadable(this);return null}var n=r.needReadable;c("need readable",n);if(r.length===0||r.length-e0)i=fromList(e,r);else i=null;if(i===null){r.needReadable=true;e=0}else{r.length-=e;r.awaitDrain=0}if(r.length===0){if(!r.ended)r.needReadable=true;if(t!==e&&r.ended)endReadable(this)}if(i!==null)this.emit("data",i);return i};function onEofChunk(e,r){if(r.ended)return;if(r.decoder){var t=r.decoder.end();if(t&&t.length){r.buffer.push(t);r.length+=r.objectMode?1:t.length}}r.ended=true;if(r.sync){emitReadable(e)}else{r.needReadable=false;if(!r.emittedReadable){r.emittedReadable=true;emitReadable_(e)}}}function emitReadable(e){var r=e._readableState;r.needReadable=false;if(!r.emittedReadable){c("emitReadable",r.flowing);r.emittedReadable=true;process.nextTick(emitReadable_,e)}}function emitReadable_(e){var r=e._readableState;c("emitReadable_",r.destroyed,r.length,r.ended);if(!r.destroyed&&(r.length||r.ended)){e.emit("readable")}r.needReadable=!r.flowing&&!r.ended&&r.length<=r.highWaterMark;flow(e)}function maybeReadMore(e,r){if(!r.readingMore){r.readingMore=true;process.nextTick(maybeReadMore_,e,r)}}function maybeReadMore_(e,r){while(!r.reading&&!r.ended&&(r.length1&&indexOf(n.pipes,e)!==-1)&&!a){c("false write response, pause",n.awaitDrain);n.awaitDrain++}t.pause()}}function onerror(r){c("onerror",r);unpipe();e.removeListener("error",onerror);if(u(e,"error")===0)e.emit("error",r)}prependListener(e,"error",onerror);function onclose(){e.removeListener("finish",onfinish);unpipe()}e.once("close",onclose);function onfinish(){c("onfinish");e.removeListener("close",onclose);unpipe()}e.once("finish",onfinish);function unpipe(){c("unpipe");t.unpipe(e)}e.emit("pipe",t);if(!n.flowing){c("pipe resume");t.resume()}return e};function pipeOnDrain(e){return function pipeOnDrainFunctionResult(){var r=e._readableState;c("pipeOnDrain",r.awaitDrain);if(r.awaitDrain)r.awaitDrain--;if(r.awaitDrain===0&&u(e,"data")){r.flowing=true;flow(e)}}}Readable.prototype.unpipe=function(e){var r=this._readableState;var t={hasUnpiped:false};if(r.pipesCount===0)return this;if(r.pipesCount===1){if(e&&e!==r.pipes)return this;if(!e)e=r.pipes;r.pipes=null;r.pipesCount=0;r.flowing=false;if(e)e.emit("unpipe",this,t);return this}if(!e){var n=r.pipes;var i=r.pipesCount;r.pipes=null;r.pipesCount=0;r.flowing=false;for(var u=0;u0;if(n.flowing!==false)this.resume()}else if(e==="readable"){if(!n.endEmitted&&!n.readableListening){n.readableListening=n.needReadable=true;n.flowing=false;n.emittedReadable=false;c("on readable",n.length,n.reading);if(n.length){emitReadable(this)}else if(!n.reading){process.nextTick(nReadingNextTick,this)}}}return t};Readable.prototype.addListener=Readable.prototype.on;Readable.prototype.removeListener=function(e,r){var t=o.prototype.removeListener.call(this,e,r);if(e==="readable"){process.nextTick(updateReadableListening,this)}return t};Readable.prototype.removeAllListeners=function(e){var r=o.prototype.removeAllListeners.apply(this,arguments);if(e==="readable"||e===undefined){process.nextTick(updateReadableListening,this)}return r};function updateReadableListening(e){var r=e._readableState;r.readableListening=e.listenerCount("readable")>0;if(r.resumeScheduled&&!r.paused){r.flowing=true}else if(e.listenerCount("data")>0){e.resume()}}function nReadingNextTick(e){c("readable nexttick read 0");e.read(0)}Readable.prototype.resume=function(){var e=this._readableState;if(!e.flowing){c("resume");e.flowing=!e.readableListening;resume(this,e)}e.paused=false;return this};function resume(e,r){if(!r.resumeScheduled){r.resumeScheduled=true;process.nextTick(resume_,e,r)}}function resume_(e,r){c("resume",r.reading);if(!r.reading){e.read(0)}r.resumeScheduled=false;e.emit("resume");flow(e);if(r.flowing&&!r.reading)e.read(0)}Readable.prototype.pause=function(){c("call pause flowing=%j",this._readableState.flowing);if(this._readableState.flowing!==false){c("pause");this._readableState.flowing=false;this.emit("pause")}this._readableState.paused=true;return this};function flow(e){var r=e._readableState;c("flow",r.flowing);while(r.flowing&&e.read()!==null){}}Readable.prototype.wrap=function(e){var r=this;var t=this._readableState;var n=false;e.on("end",function(){c("wrapped end");if(t.decoder&&!t.ended){var e=t.decoder.end();if(e&&e.length)r.push(e)}r.push(null)});e.on("data",function(i){c("wrapped data");if(t.decoder)i=t.decoder.write(i);if(t.objectMode&&(i===null||i===undefined))return;else if(!t.objectMode&&(!i||!i.length))return;var u=r.push(i);if(!u){n=true;e.pause()}});for(var i in e){if(this[i]===undefined&&typeof e[i]==="function"){this[i]=function methodWrap(r){return function methodWrapReturnFunction(){return e[r].apply(e,arguments)}}(i)}}for(var u=0;u=r.length){if(r.decoder)t=r.buffer.join("");else if(r.buffer.length===1)t=r.buffer.first();else t=r.buffer.concat(r.length);r.buffer.clear()}else{t=r.buffer.consume(e,r.decoder)}return t}function endReadable(e){var r=e._readableState;c("endReadable",r.endEmitted);if(!r.endEmitted){r.ended=true;process.nextTick(endReadableNT,r,e)}}function endReadableNT(e,r){c("endReadableNT",e.endEmitted,e.length);if(!e.endEmitted&&e.length===0){e.endEmitted=true;r.readable=false;r.emit("end")}}function indexOf(e,r){for(var t=0,n=e.length;te[t])e[t]=n});return e},[]);var o=map(e,function(e){return map(e,function(e,r){var t=String(e);if(n[r]==="."){var o=dotindex(t);var s=u[r]+(/\./.test(t)?1:2)-(i(t)-o);return t+Array(s).join(" ")}else return t})});var s=reduce(o,function(e,r){forEach(r,function(r,t){var n=i(r);if(!e[t]||n>e[t])e[t]=n});return e},[]);return map(o,function(e){return map(e,function(e,r){var t=s[r]-i(e)||0;var u=Array(Math.max(t+1,1)).join(" ");if(n[r]==="r"||n[r]==="."){return u+e}if(n[r]==="c"){return Array(Math.ceil(t/2+1)).join(" ")+e+Array(Math.floor(t/2+1)).join(" ")}return e+u}).join(t).replace(/\s+$/,"")}).join("\n")};function dotindex(e){var r=/\.[^.]*$/.exec(e);return r?r.index+1:e.length}function reduce(e,r,t){if(e.reduce)return e.reduce(r,t);var n=0;var i=arguments.length>=3?t:e[n++];for(;n{const r=["[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)","(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))"].join("|");return new RegExp(r,e?undefined:"g")})},,function(e,r,t){"use strict";var n=t(622);var i=t(539);var u=t(881);e.exports=Ignore;Ignore.prototype.check=check;var o=n.dirname;var s=n.relative;var a=n.resolve;function Ignore(e){this.cwd=e.cwd;this.findUp=new u({filePath:e.ignorePath,cwd:e.cwd,detect:e.detectIgnore,names:e.ignoreName?[e.ignoreName]:[],create:create})}function check(e,r){var t=this;t.findUp.load(e,done);function done(n,i){var u;if(n){r(n)}else if(i){u=s(i.filePath,a(t.cwd,e));r(null,u?i.ignores(u):false)}else{r(null,false)}}}function create(e,r){var t=i().add(String(e));t.filePath=o(r);return t}},,,,function(e){"use strict";e.exports={gfm:true,commonmark:false,pedantic:false,entities:"false",setext:false,closeAtx:false,looseTable:false,spacedTable:true,paddedTable:true,stringLength:stringLength,incrementListMarker:true,fences:false,fence:"`",bullet:"-",listItemIndent:"tab",rule:"*",ruleSpaces:true,ruleRepetition:3,strong:"*",emphasis:"_"};function stringLength(e){return e.length}},function(e){"use strict";function YAMLException(e,r){Error.call(this);this.name="YAMLException";this.reason=e;this.mark=r;this.message=(this.reason||"(unknown reason)")+(this.mark?" 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n=t(945);e.exports=new n("tag:yaml.org,2002:str",{kind:"scalar",construct:function(e){return e!==null?e:""}})},,function(e){"use strict";e.exports=emphasis;var r="_";var t="*";function emphasis(e){var n=this.options.emphasis;var i=this.all(e).join("");if(this.options.pedantic&&n===r&&i.indexOf(n)!==-1){n=t}return n+i+n}},,function(e){"use strict";e.exports=whitespace;var r=String.fromCharCode;var t=/\s/;function whitespace(e){return t.test(typeof e==="number"?r(e):e.charAt(0))}},,,function(e,r,t){"use strict";var n=t(43);e.exports=new n({explicit:[t(574),t(921),t(988)]})},,,,,function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:table-cell-padding",tableCellPadding);var s=u.start;var a=u.end;var f={null:true,padded:true,compact:true};function tableCellPadding(e,r,t){var n=String(r);t=typeof t==="string"&&t!=="consistent"?t:null;if(f[t]!==true){r.fail("Invalid table-cell-padding style `"+t+"`")}i(e,"table",visitor);function visitor(e){var r=e.children;var u=new Array(e.align.length);var f=o(e)?-1:r.length;var c=-1;var l=[];var p;var h;var v;var D;var d;var g;var m;var E;var b;var A;var C;while(++cn){a+=" with 1 space, not "+o;if(size(u)n){r.message("Line must be at most "+n+" characters",{line:l+1,column:p+1})}}function inline(e,r,t){var i=t.children[r+1];var u;var f;if(o(e)){return}u=s(e);f=a(e);if(u.column>n||f.column1){r=Array.prototype.slice.call(arguments)}return e(r)};if("conversion"in e){r.conversion=e.conversion}return r}function wrapRounded(e){var r=function(r){if(r===undefined||r===null){return r}if(arguments.length>1){r=Array.prototype.slice.call(arguments)}var t=e(r);if(typeof t==="object"){for(var n=t.length,i=0;i-1))throw new E(e);this._writableState.defaultEncoding=e;return this};Object.defineProperty(Writable.prototype,"writableBuffer",{enumerable:false,get:function get(){return this._writableState&&this._writableState.getBuffer()}});function 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o=e.exports={rgb:{channels:3,labels:"rgb"},hsl:{channels:3,labels:"hsl"},hsv:{channels:3,labels:"hsv"},hwb:{channels:3,labels:"hwb"},cmyk:{channels:4,labels:"cmyk"},xyz:{channels:3,labels:"xyz"},lab:{channels:3,labels:"lab"},lch:{channels:3,labels:"lch"},hex:{channels:1,labels:["hex"]},keyword:{channels:1,labels:["keyword"]},ansi16:{channels:1,labels:["ansi16"]},ansi256:{channels:1,labels:["ansi256"]},hcg:{channels:3,labels:["h","c","g"]},apple:{channels:3,labels:["r16","g16","b16"]},gray:{channels:1,labels:["gray"]}};for(var s in o){if(o.hasOwnProperty(s)){if(!("channels"in o[s])){throw new Error("missing channels property: "+s)}if(!("labels"in o[s])){throw new Error("missing channel labels property: "+s)}if(o[s].labels.length!==o[s].channels){throw new Error("channel and label counts mismatch: "+s)}var a=o[s].channels;var f=o[s].labels;delete o[s].channels;delete o[s].labels;Object.defineProperty(o[s],"channels",{value:a});Object.defineProperty(o[s],"labels",{value:f})}}o.rgb.hsl=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i=Math.min(r,t,n);var u=Math.max(r,t,n);var o=u-i;var s;var a;var f;if(u===i){s=0}else if(r===u){s=(t-n)/o}else if(t===u){s=2+(n-r)/o}else if(n===u){s=4+(r-t)/o}s=Math.min(s*60,360);if(s<0){s+=360}f=(i+u)/2;if(u===i){a=0}else if(f<=.5){a=o/(u+i)}else{a=o/(2-u-i)}return[s,a*100,f*100]};o.rgb.hsv=function(e){var r;var t;var n;var i;var u;var o=e[0]/255;var s=e[1]/255;var a=e[2]/255;var f=Math.max(o,s,a);var c=f-Math.min(o,s,a);var l=function(e){return(f-e)/6/c+1/2};if(c===0){i=u=0}else{u=c/f;r=l(o);t=l(s);n=l(a);if(o===f){i=n-t}else if(s===f){i=1/3+r-n}else if(a===f){i=2/3+t-r}if(i<0){i+=1}else if(i>1){i-=1}}return[i*360,u*100,f*100]};o.rgb.hwb=function(e){var r=e[0];var t=e[1];var n=e[2];var i=o.rgb.hsl(e)[0];var u=1/255*Math.min(r,Math.min(t,n));n=1-1/255*Math.max(r,Math.max(t,n));return[i,u*100,n*100]};o.rgb.cmyk=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i;var u;var o;var s;s=Math.min(1-r,1-t,1-n);i=(1-r-s)/(1-s)||0;u=(1-t-s)/(1-s)||0;o=(1-n-s)/(1-s)||0;return[i*100,u*100,o*100,s*100]};function comparativeDistance(e,r){return Math.pow(e[0]-r[0],2)+Math.pow(e[1]-r[1],2)+Math.pow(e[2]-r[2],2)}o.rgb.keyword=function(e){var r=i[e];if(r){return r}var t=Infinity;var u;for(var o in n){if(n.hasOwnProperty(o)){var s=n[o];var a=comparativeDistance(e,s);if(a.04045?Math.pow((r+.055)/1.055,2.4):r/12.92;t=t>.04045?Math.pow((t+.055)/1.055,2.4):t/12.92;n=n>.04045?Math.pow((n+.055)/1.055,2.4):n/12.92;var i=r*.4124+t*.3576+n*.1805;var u=r*.2126+t*.7152+n*.0722;var o=r*.0193+t*.1192+n*.9505;return[i*100,u*100,o*100]};o.rgb.lab=function(e){var r=o.rgb.xyz(e);var t=r[0];var n=r[1];var i=r[2];var u;var s;var a;t/=95.047;n/=100;i/=108.883;t=t>.008856?Math.pow(t,1/3):7.787*t+16/116;n=n>.008856?Math.pow(n,1/3):7.787*n+16/116;i=i>.008856?Math.pow(i,1/3):7.787*i+16/116;u=116*n-16;s=500*(t-n);a=200*(n-i);return[u,s,a]};o.hsl.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;var i;var u;var o;var s;var a;if(t===0){a=n*255;return[a,a,a]}if(n<.5){u=n*(1+t)}else{u=n+t-n*t}i=2*n-u;s=[0,0,0];for(var f=0;f<3;f++){o=r+1/3*-(f-1);if(o<0){o++}if(o>1){o--}if(6*o<1){a=i+(u-i)*6*o}else if(2*o<1){a=u}else if(3*o<2){a=i+(u-i)*(2/3-o)*6}else{a=i}s[f]=a*255}return s};o.hsl.hsv=function(e){var r=e[0];var t=e[1]/100;var n=e[2]/100;var i=t;var u=Math.max(n,.01);var o;var s;n*=2;t*=n<=1?n:2-n;i*=u<=1?u:2-u;s=(n+t)/2;o=n===0?2*i/(u+i):2*t/(n+t);return[r,o*100,s*100]};o.hsv.rgb=function(e){var r=e[0]/60;var t=e[1]/100;var n=e[2]/100;var i=Math.floor(r)%6;var u=r-Math.floor(r);var o=255*n*(1-t);var s=255*n*(1-t*u);var a=255*n*(1-t*(1-u));n*=255;switch(i){case 0:return[n,a,o];case 1:return[s,n,o];case 2:return[o,n,a];case 3:return[o,s,n];case 4:return[a,o,n];case 5:return[n,o,s]}};o.hsv.hsl=function(e){var r=e[0];var t=e[1]/100;var n=e[2]/100;var i=Math.max(n,.01);var u;var o;var s;s=(2-t)*n;u=(2-t)*i;o=t*i;o/=u<=1?u:2-u;o=o||0;s/=2;return[r,o*100,s*100]};o.hwb.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;var i=t+n;var u;var o;var s;var a;if(i>1){t/=i;n/=i}u=Math.floor(6*r);o=1-n;s=6*r-u;if((u&1)!==0){s=1-s}a=t+s*(o-t);var f;var c;var l;switch(u){default:case 6:case 0:f=o;c=a;l=t;break;case 1:f=a;c=o;l=t;break;case 2:f=t;c=o;l=a;break;case 3:f=t;c=a;l=o;break;case 4:f=a;c=t;l=o;break;case 5:f=o;c=t;l=a;break}return[f*255,c*255,l*255]};o.cmyk.rgb=function(e){var r=e[0]/100;var t=e[1]/100;var n=e[2]/100;var i=e[3]/100;var u;var o;var s;u=1-Math.min(1,r*(1-i)+i);o=1-Math.min(1,t*(1-i)+i);s=1-Math.min(1,n*(1-i)+i);return[u*255,o*255,s*255]};o.xyz.rgb=function(e){var r=e[0]/100;var t=e[1]/100;var n=e[2]/100;var i;var u;var o;i=r*3.2406+t*-1.5372+n*-.4986;u=r*-.9689+t*1.8758+n*.0415;o=r*.0557+t*-.204+n*1.057;i=i>.0031308?1.055*Math.pow(i,1/2.4)-.055:i*12.92;u=u>.0031308?1.055*Math.pow(u,1/2.4)-.055:u*12.92;o=o>.0031308?1.055*Math.pow(o,1/2.4)-.055:o*12.92;i=Math.min(Math.max(0,i),1);u=Math.min(Math.max(0,u),1);o=Math.min(Math.max(0,o),1);return[i*255,u*255,o*255]};o.xyz.lab=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;r/=95.047;t/=100;n/=108.883;r=r>.008856?Math.pow(r,1/3):7.787*r+16/116;t=t>.008856?Math.pow(t,1/3):7.787*t+16/116;n=n>.008856?Math.pow(n,1/3):7.787*n+16/116;i=116*t-16;u=500*(r-t);o=200*(t-n);return[i,u,o]};o.lab.xyz=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;u=(r+16)/116;i=t/500+u;o=u-n/200;var s=Math.pow(u,3);var a=Math.pow(i,3);var f=Math.pow(o,3);u=s>.008856?s:(u-16/116)/7.787;i=a>.008856?a:(i-16/116)/7.787;o=f>.008856?f:(o-16/116)/7.787;i*=95.047;u*=100;o*=108.883;return[i,u,o]};o.lab.lch=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;i=Math.atan2(n,t);u=i*360/2/Math.PI;if(u<0){u+=360}o=Math.sqrt(t*t+n*n);return[r,o,u]};o.lch.lab=function(e){var r=e[0];var t=e[1];var n=e[2];var i;var u;var o;o=n/360*2*Math.PI;i=t*Math.cos(o);u=t*Math.sin(o);return[r,i,u]};o.rgb.ansi16=function(e){var r=e[0];var t=e[1];var n=e[2];var i=1 in arguments?arguments[1]:o.rgb.hsv(e)[2];i=Math.round(i/50);if(i===0){return 30}var u=30+(Math.round(n/255)<<2|Math.round(t/255)<<1|Math.round(r/255));if(i===2){u+=60}return u};o.hsv.ansi16=function(e){return o.rgb.ansi16(o.hsv.rgb(e),e[2])};o.rgb.ansi256=function(e){var r=e[0];var t=e[1];var n=e[2];if(r===t&&t===n){if(r<8){return 16}if(r>248){return 231}return Math.round((r-8)/247*24)+232}var i=16+36*Math.round(r/255*5)+6*Math.round(t/255*5)+Math.round(n/255*5);return i};o.ansi16.rgb=function(e){var r=e%10;if(r===0||r===7){if(e>50){r+=3.5}r=r/10.5*255;return[r,r,r]}var t=(~~(e>50)+1)*.5;var n=(r&1)*t*255;var i=(r>>1&1)*t*255;var u=(r>>2&1)*t*255;return[n,i,u]};o.ansi256.rgb=function(e){if(e>=232){var r=(e-232)*10+8;return[r,r,r]}e-=16;var t;var n=Math.floor(e/36)/5*255;var i=Math.floor((t=e%36)/6)/5*255;var u=t%6/5*255;return[n,i,u]};o.rgb.hex=function(e){var r=((Math.round(e[0])&255)<<16)+((Math.round(e[1])&255)<<8)+(Math.round(e[2])&255);var t=r.toString(16).toUpperCase();return"000000".substring(t.length)+t};o.hex.rgb=function(e){var r=e.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);if(!r){return[0,0,0]}var t=r[0];if(r[0].length===3){t=t.split("").map(function(e){return e+e}).join("")}var n=parseInt(t,16);var i=n>>16&255;var u=n>>8&255;var o=n&255;return[i,u,o]};o.rgb.hcg=function(e){var r=e[0]/255;var t=e[1]/255;var n=e[2]/255;var i=Math.max(Math.max(r,t),n);var u=Math.min(Math.min(r,t),n);var o=i-u;var s;var a;if(o<1){s=u/(1-o)}else{s=0}if(o<=0){a=0}else if(i===r){a=(t-n)/o%6}else if(i===t){a=2+(n-r)/o}else{a=4+(r-t)/o+4}a/=6;a%=1;return[a*360,o*100,s*100]};o.hsl.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=1;var i=0;if(t<.5){n=2*r*t}else{n=2*r*(1-t)}if(n<1){i=(t-.5*n)/(1-n)}return[e[0],n*100,i*100]};o.hsv.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=r*t;var i=0;if(n<1){i=(t-n)/(1-n)}return[e[0],n*100,i*100]};o.hcg.rgb=function(e){var r=e[0]/360;var t=e[1]/100;var n=e[2]/100;if(t===0){return[n*255,n*255,n*255]}var i=[0,0,0];var u=r%1*6;var o=u%1;var s=1-o;var a=0;switch(Math.floor(u)){case 0:i[0]=1;i[1]=o;i[2]=0;break;case 1:i[0]=s;i[1]=1;i[2]=0;break;case 2:i[0]=0;i[1]=1;i[2]=o;break;case 3:i[0]=0;i[1]=s;i[2]=1;break;case 4:i[0]=o;i[1]=0;i[2]=1;break;default:i[0]=1;i[1]=0;i[2]=s}a=(1-t)*n;return[(t*i[0]+a)*255,(t*i[1]+a)*255,(t*i[2]+a)*255]};o.hcg.hsv=function(e){var r=e[1]/100;var t=e[2]/100;var n=r+t*(1-r);var i=0;if(n>0){i=r/n}return[e[0],i*100,n*100]};o.hcg.hsl=function(e){var r=e[1]/100;var t=e[2]/100;var n=t*(1-r)+.5*r;var i=0;if(n>0&&n<.5){i=r/(2*n)}else if(n>=.5&&n<1){i=r/(2*(1-n))}return[e[0],i*100,n*100]};o.hcg.hwb=function(e){var r=e[1]/100;var t=e[2]/100;var n=r+t*(1-r);return[e[0],(n-r)*100,(1-n)*100]};o.hwb.hcg=function(e){var r=e[1]/100;var t=e[2]/100;var n=1-t;var i=n-r;var u=0;if(i<1){u=(n-i)/(1-i)}return[e[0],i*100,u*100]};o.apple.rgb=function(e){return[e[0]/65535*255,e[1]/65535*255,e[2]/65535*255]};o.rgb.apple=function(e){return[e[0]/255*65535,e[1]/255*65535,e[2]/255*65535]};o.gray.rgb=function(e){return[e[0]/100*255,e[0]/100*255,e[0]/100*255]};o.gray.hsl=o.gray.hsv=function(e){return[0,0,e[0]]};o.gray.hwb=function(e){return[0,100,e[0]]};o.gray.cmyk=function(e){return[0,0,0,e[0]]};o.gray.lab=function(e){return[e[0],0,0]};o.gray.hex=function(e){var r=Math.round(e[0]/100*255)&255;var t=(r<<16)+(r<<8)+r;var n=t.toString(16).toUpperCase();return"000000".substring(n.length)+n};o.rgb.gray=function(e){var r=(e[0]+e[1]+e[2])/3;return[r/255*100]}},,,function(e,r,t){"use strict";var n=t(608);e.exports=n("remark-lint:final-newline",finalNewline);function finalNewline(e,r){var t=String(r);var 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u=-1;while(++u{if(e instanceof Set){e.forEach(r)}else{r(e)}};const k=(e,r,t)=>{let n=e[r];if(!(n instanceof Set)){e[r]=n=new Set([n])}n.add(t)};const x=e=>r=>{const t=e[r];if(t instanceof Set){t.clear()}else{delete e[r]}};const R=(e,r,t)=>{const n=e[r];if(n instanceof Set){n.delete(t)}else if(n===t){delete e[r]}};const T=e=>e instanceof Set?e.size===0:!e;const I=new Map;function createFsWatchInstance(e,r,t,u,o){const s=(r,n)=>{t(e);o(r,n,{watchedPath:e});if(n&&e!==n){L(i.resolve(e,n),c,i.join(e,n))}};try{return n.watch(e,r,s)}catch(e){u(e)}}const L=(e,r,t,n,i)=>{const u=I.get(e);if(!u)return;O(u[r],e=>{e(t,n,i)})};const M=(e,r,t,n)=>{const{listener:i,errHandler:u,rawEmitter:o}=n;let a=I.get(r);let f;if(!t.persistent){f=createFsWatchInstance(e,t,i,u,o);return f.close.bind(f)}if(a){k(a,c,i);k(a,l,u);k(a,p,o)}else{f=createFsWatchInstance(e,t,L.bind(null,r,c),u,L.bind(null,r,p));if(!f)return;f.on(g,async t=>{const n=L.bind(null,r,l);a.watcherUnusable=true;if(s&&t.code==="EPERM"){try{const r=await w(e,"r");await S(r);n(t)}catch(e){}}else{n(t)}});a={listeners:i,errHandlers:u,rawEmitters:o,watcher:f};I.set(r,a)}return()=>{R(a,c,i);R(a,l,u);R(a,p,o);if(T(a.listeners)){a.watcher.close();I.delete(r);h.forEach(x(a));a.watcher=undefined;Object.freeze(a)}}};const j=new Map;const P=(e,r,t,i)=>{const{listener:u,rawEmitter:o}=i;let s=j.get(r);let a=new Set;let f=new Set;const l=s&&s.options;if(l&&(l.persistentt.interval)){a=s.listeners;f=s.rawEmitters;n.unwatchFile(r);s=undefined}if(s){k(s,c,u);k(s,p,o)}else{s={listeners:u,rawEmitters:o,options:t,watcher:n.watchFile(r,t,(t,n)=>{O(s.rawEmitters,e=>{e(v,r,{curr:t,prev:n})});const i=t.mtimeMs;if(t.size!==n.size||i>n.mtimeMs||i===0){O(s.listeners,r=>r(e,t))}})};j.set(r,s)}return()=>{R(s,c,u);R(s,p,o);if(T(s.listeners)){j.delete(r);n.unwatchFile(r);s.options=s.watcher=undefined;Object.freeze(s)}}};class NodeFsHandler{constructor(e){this.fsw=e;this._boundHandleError=(r=>e._handleError(r))}_watchWithNodeFs(e,r){const t=this.fsw.options;const n=i.dirname(e);const u=i.basename(e);const s=this.fsw._getWatchedDir(n);s.add(u);const f=i.resolve(e);const c={persistent:t.persistent};if(!r)r=a;let l;if(t.usePolling){c.interval=t.enableBinaryInterval&&o(u)?t.binaryInterval:t.interval;l=P(e,f,c,{listener:r,rawEmitter:this.fsw._emitRaw})}else{l=M(e,f,c,{listener:r,errHandler:this._boundHandleError,rawEmitter:this.fsw._emitRaw})}return l}_handleFile(e,r,t){if(this.fsw.closed){return}const n=i.dirname(e);const u=i.basename(e);const o=this.fsw._getWatchedDir(n);let s=r;if(o.has(u))return;const a=this._watchWithNodeFs(e,async(r,t)=>{if(!this.fsw._throttle(C,e,5))return;if(!t||t.mtimeMs===0){try{const r=await F(e);if(this.fsw.closed)return;const t=r.atimeMs;const i=r.mtimeMs;if(!t||t<=i||i!==s.mtimeMs){this.fsw._emit(v,e,r)}s=r}catch(e){this.fsw._remove(n,u)}}else if(o.has(u)){const r=t.atimeMs;const n=t.mtimeMs;if(!r||r<=n||n!==s.mtimeMs){this.fsw._emit(v,e,t)}s=t}});if(!(t&&this.fsw.options.ignoreInitial)&&this.fsw._isntIgnored(e)){if(!this.fsw._throttle(D,e,0))return;this.fsw._emit(D,e,r)}return a}async _handleSymlink(e,r,t,n){if(this.fsw.closed){return}const i=e.fullPath;const u=this.fsw._getWatchedDir(r);if(!this.fsw.options.followSymlinks){this.fsw._incrReadyCount();const r=await _(t);if(this.fsw.closed)return;if(u.has(n)){if(this.fsw._symlinkPaths.get(i)!==r){this.fsw._symlinkPaths.set(i,r);this.fsw._emit(v,t,e.stats)}}else{u.add(n);this.fsw._symlinkPaths.set(i,r);this.fsw._emit(D,t,e.stats)}this.fsw._emitReady();return true}if(this.fsw._symlinkPaths.has(i)){return true}this.fsw._symlinkPaths.set(i,true)}_handleRead(e,r,t,n,u,o,s){e=i.join(e,f);if(!t.hasGlob){s=this.fsw._throttle("readdir",e,1e3);if(!s)return}const a=this.fsw._getWatchedDir(t.path);const c=new Set;let l=this.fsw._readdirp(e,{fileFilter:e=>t.filterPath(e),directoryFilter:e=>t.filterDir(e),depth:0}).on(m,async s=>{if(this.fsw.closed){l=undefined;return}const f=s.path;let p=i.join(e,f);c.add(f);if(s.stats.isSymbolicLink()&&await this._handleSymlink(s,e,p,f)){return}if(this.fsw.closed){l=undefined;return}if(f===n||!n&&!a.has(f)){this.fsw._incrReadyCount();p=i.join(u,i.relative(u,p));this._addToNodeFs(p,r,t,o+1)}}).on(g,this._boundHandleError);return new Promise(r=>l.once(E,()=>{if(this.fsw.closed){l=undefined;return}const f=s?s.clear():false;r();a.getChildren().filter(r=>{return r!==e&&!c.has(r)&&(!t.hasGlob||t.filterPath({fullPath:i.resolve(e,r)}))}).forEach(r=>{this.fsw._remove(e,r)});l=undefined;if(f)this._handleRead(e,false,t,n,u,o,s)}))}async _handleDir(e,r,t,n,u,o,s){const a=this.fsw._getWatchedDir(i.dirname(e));const f=a.has(i.basename(e));if(!(t&&this.fsw.options.ignoreInitial)&&!u&&!f){if(!o.hasGlob||o.globFilter(e))this.fsw._emit(d,e,r)}a.add(i.basename(e));this.fsw._getWatchedDir(e);let c;let l;const p=this.fsw.options.depth;if((p==null||n<=p)&&!this.fsw._symlinkPaths.has(s)){if(!u){await this._handleRead(e,t,o,u,e,n,c);if(this.fsw.closed)return}l=this._watchWithNodeFs(e,(r,t)=>{if(t&&t.mtimeMs===0)return;this._handleRead(r,false,o,u,e,n,c)})}return l}async _addToNodeFs(e,r,t,n,u){const o=this.fsw._emitReady;if(this.fsw._isIgnored(e)||this.fsw.closed){o();return false}const s=this.fsw._getWatchHelpers(e,n);if(!s.hasGlob&&t){s.hasGlob=t.hasGlob;s.globFilter=t.globFilter;s.filterPath=(e=>t.filterPath(e));s.filterDir=(e=>t.filterDir(e))}try{const t=await B[s.statMethod](s.watchPath);if(this.fsw.closed)return;if(this.fsw._isIgnored(s.watchPath,t)){o();return false}const a=this.fsw.options.followSymlinks&&!e.includes(A)&&!e.includes(b);let f;if(t.isDirectory()){const i=a?await _(e):e;if(this.fsw.closed)return;f=await this._handleDir(s.watchPath,t,r,n,u,s,i);if(this.fsw.closed)return;if(e!==i&&i!==undefined){this.fsw._symlinkPaths.set(i,true)}}else if(t.isSymbolicLink()){const u=a?await _(e):e;if(this.fsw.closed)return;const o=i.dirname(s.watchPath);this.fsw._getWatchedDir(o).add(s.watchPath);this.fsw._emit(D,s.watchPath,t);f=await this._handleDir(o,t,r,n,e,s,u);if(this.fsw.closed)return;if(u!==undefined){this.fsw._symlinkPaths.set(i.resolve(e),u)}}else{f=this._handleFile(s.watchPath,t,r)}o();this.fsw._addPathCloser(e,f);return false}catch(r){if(this.fsw._handleError(r)){o();return e}}}}e.exports=NodeFsHandler},function(e){"use strict";e.exports=locate;function locate(e,r){var t=e.indexOf("\n",r);while(t>r){if(e.charAt(t-1)!==" "){break}t--}return t}},function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:rule-style",ruleStyle);var s=u.start;var a=u.end;function ruleStyle(e,r,t){var n=String(r);t=typeof t==="string"&&t!=="consistent"?t:null;if(t!==null&&/[^-_* ]/.test(t)){r.fail("Invalid preferred rule-style: provide a valid markdown rule, or `'consistent'`")}i(e,"thematicBreak",visitor);function visitor(e){var i=s(e).offset;var u=a(e).offset;var f;if(!o(e)){f=n.slice(i,u);if(t){if(f!==t){r.message("Rules should use `"+t+"`",e)}}else{t=f}}}}},,function(e,r,t){e.exports=require(t.ab+"fsevents.node")},,,,,,,,,function(e,r,t){"use strict";e=t.nmd(e);const n=t(592);const i=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${t+r}m`});const u=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${38+r};5;${t}m`});const o=(e,r)=>(function(){const t=e.apply(n,arguments);return`[${38+r};2;${t[0]};${t[1]};${t[2]}m`});function assembleStyles(){const e=new Map;const r={modifier:{reset:[0,0],bold:[1,22],dim:[2,22],italic:[3,23],underline:[4,24],inverse:[7,27],hidden:[8,28],strikethrough:[9,29]},color:{black:[30,39],red:[31,39],green:[32,39],yellow:[33,39],blue:[34,39],magenta:[35,39],cyan:[36,39],white:[37,39],gray:[90,39],redBright:[91,39],greenBright:[92,39],yellowBright:[93,39],blueBright:[94,39],magentaBright:[95,39],cyanBright:[96,39],whiteBright:[97,39]},bgColor:{bgBlack:[40,49],bgRed:[41,49],bgGreen:[42,49],bgYellow:[43,49],bgBlue:[44,49],bgMagenta:[45,49],bgCyan:[46,49],bgWhite:[47,49],bgBlackBright:[100,49],bgRedBright:[101,49],bgGreenBright:[102,49],bgYellowBright:[103,49],bgBlueBright:[104,49],bgMagentaBright:[105,49],bgCyanBright:[106,49],bgWhiteBright:[107,49]}};r.color.grey=r.color.gray;for(const t of Object.keys(r)){const n=r[t];for(const t of Object.keys(n)){const i=n[t];r[t]={open:`[${i[0]}m`,close:`[${i[1]}m`};n[t]=r[t];e.set(i[0],i[1])}Object.defineProperty(r,t,{value:n,enumerable:false});Object.defineProperty(r,"codes",{value:e,enumerable:false})}const t=e=>e;const s=(e,r,t)=>[e,r,t];r.color.close="";r.bgColor.close="";r.color.ansi={ansi:i(t,0)};r.color.ansi256={ansi256:u(t,0)};r.color.ansi16m={rgb:o(s,0)};r.bgColor.ansi={ansi:i(t,10)};r.bgColor.ansi256={ansi256:u(t,10)};r.bgColor.ansi16m={rgb:o(s,10)};for(let e of Object.keys(n)){if(typeof n[e]!=="object"){continue}const t=n[e];if(e==="ansi16"){e="ansi"}if("ansi16"in t){r.color.ansi[e]=i(t.ansi16,0);r.bgColor.ansi[e]=i(t.ansi16,10)}if("ansi256"in t){r.color.ansi256[e]=u(t.ansi256,0);r.bgColor.ansi256[e]=u(t.ansi256,10)}if("rgb"in t){r.color.ansi16m[e]=o(t.rgb,0);r.bgColor.ansi16m[e]=o(t.rgb,10)}}return r}Object.defineProperty(e,"exports",{enumerable:true,get:assembleStyles})},function(e){e.exports=[{long:"help",description:"output usage information",short:"h",type:"boolean",default:false},{long:"version",description:"output version number",short:"v",type:"boolean",default:false},{long:"output",description:"specify output location",short:"o",value:"[path]"},{long:"rc-path",description:"specify configuration file",short:"r",type:"string",value:""},{long:"ignore-path",description:"specify ignore file",short:"i",type:"string",value:""},{long:"setting",description:"specify settings",short:"s",type:"string",value:""},{long:"ext",description:"specify extensions",short:"e",type:"string",value:""},{long:"use",description:"use plugins",short:"u",type:"string",value:""},{long:"watch",description:"watch for changes and reprocess",short:"w",type:"boolean",default:false},{long:"quiet",description:"output only warnings and errors",short:"q",type:"boolean",default:false},{long:"silent",description:"output only errors",short:"S",type:"boolean",default:false},{long:"frail",description:"exit with 1 on warnings",short:"f",type:"boolean",default:false},{long:"tree",description:"specify input and output as syntax tree",short:"t",type:"boolean",default:false},{long:"report",description:"specify reporter",type:"string",value:""},{long:"file-path",description:"specify path to process as",type:"string",value:""},{long:"ignore-pattern",description:"specify ignore patterns",type:"string",value:""},{long:"tree-in",description:"specify input as syntax tree",type:"boolean"},{long:"tree-out",description:"output syntax tree",type:"boolean"},{long:"inspect",description:"output formatted syntax tree",type:"boolean"},{long:"stdout",description:"specify writing to stdout",type:"boolean",truelike:true},{long:"color",description:"specify color in report",type:"boolean",default:true},{long:"config",description:"search for configuration files",type:"boolean",default:true},{long:"ignore",description:"search for ignore files",type:"boolean",default:true}]},,,,function(e,r,t){"use strict";var n=t(608);var i=t(263);var u=t(960);var o=t(353);e.exports=n("remark-lint:hard-break-spaces",hardBreakSpaces);var s="Use two spaces for hard line breaks";function hardBreakSpaces(e,r){var t=String(r);i(e,"break",visitor);function visitor(e){var n;if(!o(e)){n=t.slice(u.start(e).offset,u.end(e).offset).split("\n",1)[0].replace(/\r$/,"");if(n.length>2){r.message(s,e)}}}}},function(e){e.exports=require("util")},function(e,r,t){"use strict";var n=t(269);var i=t(449);var u=t(803);e.exports=n;n.read=u.read;n.readSync=i.read;n.write=u.write;n.writeSync=i.write},,function(e,r,t){"use strict";e.exports=Transform;var n=t(818).codes,i=n.ERR_METHOD_NOT_IMPLEMENTED,u=n.ERR_MULTIPLE_CALLBACK,o=n.ERR_TRANSFORM_ALREADY_TRANSFORMING,s=n.ERR_TRANSFORM_WITH_LENGTH_0;var a=t(308);t(689)(Transform,a);function afterTransform(e,r){var t=this._transformState;t.transforming=false;var n=t.writecb;if(n===null){return this.emit("error",new u)}t.writechunk=null;t.writecb=null;if(r!=null)this.push(r);n(e);var 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newToken("numeric",d*Infinity);case"N":read();literal("aN");return newToken("numeric",NaN)}throw invalidChar(read())},zero(){switch(g){case".":v+=read();h="decimalPoint";return;case"e":case"E":v+=read();h="decimalExponent";return;case"x":case"X":v+=read();h="hexadecimal";return}return newToken("numeric",d*0)},decimalInteger(){switch(g){case".":v+=read();h="decimalPoint";return;case"e":case"E":v+=read();h="decimalExponent";return}if(n.isDigit(g)){v+=read();return}return newToken("numeric",d*Number(v))},decimalPointLeading(){if(n.isDigit(g)){v+=read();h="decimalFraction";return}throw invalidChar(read())},decimalPoint(){switch(g){case"e":case"E":v+=read();h="decimalExponent";return}if(n.isDigit(g)){v+=read();h="decimalFraction";return}return newToken("numeric",d*Number(v))},decimalFraction(){switch(g){case"e":case"E":v+=read();h="decimalExponent";return}if(n.isDigit(g)){v+=read();return}return 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e=peek();switch(e){case"b":read();return"\b";case"f":read();return"\f";case"n":read();return"\n";case"r":read();return"\r";case"t":read();return"\t";case"v":read();return"\v";case"0":read();if(n.isDigit(peek())){throw invalidChar(read())}return"\0";case"x":read();return hexEscape();case"u":read();return unicodeEscape();case"\n":case"\u2028":case"\u2029":read();return"";case"\r":read();if(peek()==="\n"){read()}return"";case"1":case"2":case"3":case"4":case"5":case"6":case"7":case"8":case"9":throw invalidChar(read());case undefined:throw invalidChar(read())}return read()}function hexEscape(){let e="";let r=peek();if(!n.isHexDigit(r)){throw invalidChar(read())}e+=read();r=peek();if(!n.isHexDigit(r)){throw invalidChar(read())}e+=read();return String.fromCodePoint(parseInt(e,16))}function unicodeEscape(){let e="";let r=4;while(r-- >0){const r=peek();if(!n.isHexDigit(r)){throw invalidChar(read())}e+=read()}return String.fromCodePoint(parseInt(e,16))}const E={start(){if(c.type==="eof"){throw invalidEOF()}push()},beforePropertyName(){switch(c.type){case"identifier":case"string":l=c.value;u="afterPropertyName";return;case"punctuator":pop();return;case"eof":throw invalidEOF()}},afterPropertyName(){if(c.type==="eof"){throw invalidEOF()}u="beforePropertyValue"},beforePropertyValue(){if(c.type==="eof"){throw invalidEOF()}push()},beforeArrayValue(){if(c.type==="eof"){throw invalidEOF()}if(c.type==="punctuator"&&c.value==="]"){pop();return}push()},afterPropertyValue(){if(c.type==="eof"){throw invalidEOF()}switch(c.value){case",":u="beforePropertyName";return;case"}":pop()}},afterArrayValue(){if(c.type==="eof"){throw invalidEOF()}switch(c.value){case",":u="beforeArrayValue";return;case"]":pop()}},end(){}};function push(){let e;switch(c.type){case"punctuator":switch(c.value){case"{":e={};break;case"[":e=[];break}break;case"null":case"boolean":case"numeric":case"string":e=c.value;break}if(p===undefined){p=e}else{const r=o[o.length-1];if(Array.isArray(r)){r.push(e)}else{r[l]=e}}if(e!==null&&typeof e==="object"){o.push(e);if(Array.isArray(e)){u="beforeArrayValue"}else{u="beforePropertyName"}}else{const e=o[o.length-1];if(e==null){u="end"}else if(Array.isArray(e)){u="afterArrayValue"}else{u="afterPropertyValue"}}}function pop(){o.pop();const e=o[o.length-1];if(e==null){u="end"}else if(Array.isArray(e)){u="afterArrayValue"}else{u="afterPropertyValue"}}function invalidChar(e){if(e===undefined){return syntaxError(`JSON5: invalid end of input at ${a}:${f}`)}return syntaxError(`JSON5: invalid character '${formatChar(e)}' at ${a}:${f}`)}function invalidEOF(){return syntaxError(`JSON5: invalid end of input at ${a}:${f}`)}function invalidIdentifier(){f-=5;return syntaxError(`JSON5: invalid identifier character at ${a}:${f}`)}function separatorChar(e){console.warn(`JSON5: '${formatChar(e)}' in strings is not valid ECMAScript; consider escaping`)}function formatChar(e){const r={"'":"\\'",'"':'\\"',"\\":"\\\\","\b":"\\b","\f":"\\f","\n":"\\n","\r":"\\r","\t":"\\t","\v":"\\v","\0":"\\0","\u2028":"\\u2028","\u2029":"\\u2029"};if(r[e]){return r[e]}if(e<" "){const r=e.charCodeAt(0).toString(16);return"\\x"+("00"+r).substring(r.length)}return e}function syntaxError(e){const r=new SyntaxError(e);r.lineNumber=a;r.columnNumber=f;return r}},function(e,r,t){"use strict";var n=t(747);var i=t(622);var u=t(827);var o=t(784)("unified-engine:find-up");var s=t(145);e.exports=FindUp;var a=n.readFile;var f=i.resolve;var c=i.relative;var l=i.join;var p=i.dirname;FindUp.prototype.load=load;function FindUp(e){var r=this;var t=e.filePath;r.cache={};r.cwd=e.cwd;r.detect=e.detect;r.names=e.names;r.create=e.create;if(t){r.givenFilePath=f(e.cwd,t)}}function load(e,r){var t=this;var n=t.cache;var i=t.givenFilePath;var h=t.givenFile;var v=t.names;var D=t.create;var d=t.cwd;var g;if(i){if(h){apply(r,h)}else{h=[r];t.givenFile=h;o("Checking given file 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objectToThunk(e){var r=this;var t=Array.isArray(e);return function(n){var i=Object.keys(e);var u=i.length;var o=t?new Array(u):new e.constructor;var s;if(!u){setImmediate(function(){n(null,o)});return}if(!t){for(var a=0;a params.length; + var result; + + if (callback) { + params.push(done); + } + + try { + result = fn.apply(null, params); + } catch (error) { + // Well, this is quite the pickle. + // `fn` received a callback and invoked it (thus continuing the pipeline), + // but later also threw an error. + // We’re not about to restart the pipeline again, so the only thing left + // to do is to throw the thing instead. + if (callback && invoked) { + throw error + } + + return done(error) + } + + if (!callback) { + if (result && typeof result.then === 'function') { + result.then(then, done); + } else if (result instanceof Error) { + done(result); + } else { + then(result); + } + } + } + + // Invoke `next`, only once. + function done() { + if (!invoked) { + invoked = true; + + callback.apply(null, arguments); + } + } + + // Invoke `done` with one value. + // Tracks if an error is passed, too. + function then(value) { + done(null, value); + } +} + +var trough_1 = trough; + +trough.wrap = wrap_1; + +var slice$1 = [].slice; + +// Create new middleware. +function trough() { + var fns = []; + var middleware = {}; + + middleware.run = run; + middleware.use = use; + + return middleware + + // Run `fns`. Last argument must be a completion handler. + function run() { + var index = -1; + var input = slice$1.call(arguments, 0, -1); + var done = arguments[arguments.length - 1]; + + if (typeof done !== 'function') { + throw new Error('Expected function as last argument, not ' + done) + } + + next.apply(null, [null].concat(input)); + + // Run the next `fn`, if any. + function next(err) { + var fn = fns[++index]; + var params = slice$1.call(arguments, 0); + var values = params.slice(1); + var length = input.length; + var pos = -1; + + if (err) { + done(err); + return + } + + // Copy non-nully input into values. + while (++pos < length) { + if (values[pos] === null || values[pos] === undefined) { + values[pos] = input[pos]; + } + } + + input = values; + + // Next or done. + if (fn) { + wrap_1(fn, next).apply(null, input); + } else { + done.apply(null, [null].concat(input)); + } + } + } + + // Add `fn` to the list. + function use(fn) { + if (typeof fn !== 'function') { + throw new Error('Expected `fn` to be a function, not ' + fn) + } + + fns.push(fn); + + return middleware + } +} + +function commonjsRequire () { + throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs'); +} + +function unwrapExports (x) { + return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x; +} + +function createCommonjsModule(fn, module) { + return module = { exports: {} }, fn(module, module.exports), module.exports; +} + +function getCjsExportFromNamespace (n) { + return n && n['default'] || n; +} + +function isNothing(subject) { + return (typeof subject === 'undefined') || (subject === null); +} + + +function isObject(subject) { + return (typeof subject === 'object') && (subject !== null); +} + + +function toArray(sequence) { + if (Array.isArray(sequence)) return sequence; + else if (isNothing(sequence)) return []; + + return [ sequence ]; +} + + +function extend(target, source) { + var index, length, key, sourceKeys; + + if (source) { + sourceKeys = Object.keys(source); + + for (index = 0, length = sourceKeys.length; index < length; index += 1) { + key = sourceKeys[index]; + target[key] = source[key]; + } + } + + return target; +} + + +function repeat(string, count) { + var result = '', cycle; + + for (cycle = 0; cycle < count; cycle += 1) { + result += string; + } + + return result; +} + + +function isNegativeZero(number) { + return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number); +} + + +var isNothing_1 = isNothing; +var isObject_1 = isObject; +var toArray_1 = toArray; +var repeat_1 = repeat; +var isNegativeZero_1 = isNegativeZero; +var extend_1 = extend; + +var common = { + isNothing: isNothing_1, + isObject: isObject_1, + toArray: toArray_1, + repeat: repeat_1, + isNegativeZero: isNegativeZero_1, + extend: extend_1 +}; + +// YAML error class. http://stackoverflow.com/questions/8458984 + +function YAMLException(reason, mark) { + // Super constructor + Error.call(this); + + this.name = 'YAMLException'; + this.reason = reason; + this.mark = mark; + this.message = (this.reason || '(unknown reason)') + (this.mark ? ' ' + this.mark.toString() : ''); + + // Include stack trace in error object + if (Error.captureStackTrace) { + // Chrome and NodeJS + Error.captureStackTrace(this, this.constructor); + } else { + // FF, IE 10+ and Safari 6+. Fallback for others + this.stack = (new Error()).stack || ''; + } +} + + +// Inherit from Error +YAMLException.prototype = Object.create(Error.prototype); +YAMLException.prototype.constructor = YAMLException; + + +YAMLException.prototype.toString = function toString(compact) { + var result = this.name + ': '; + + result += this.reason || '(unknown reason)'; + + if (!compact && this.mark) { + result += ' ' + this.mark.toString(); + } + + return result; +}; + + +var exception = YAMLException; + +function Mark(name, buffer, position, line, column) { + this.name = name; + this.buffer = buffer; + this.position = position; + this.line = line; + this.column = column; +} + + +Mark.prototype.getSnippet = function getSnippet(indent, maxLength) { + var head, start, tail, end, snippet; + + if (!this.buffer) return null; + + indent = indent || 4; + maxLength = maxLength || 75; + + head = ''; + start = this.position; + + while (start > 0 && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(start - 1)) === -1) { + start -= 1; + if (this.position - start > (maxLength / 2 - 1)) { + head = ' ... '; + start += 5; + break; + } + } + + tail = ''; + end = this.position; + + while (end < this.buffer.length && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(end)) === -1) { + end += 1; + if (end - this.position > (maxLength / 2 - 1)) { + tail = ' ... '; + end -= 5; + break; + } + } + + snippet = this.buffer.slice(start, end); + + return common.repeat(' ', indent) + head + snippet + tail + '\n' + + common.repeat(' ', indent + this.position - start + head.length) + '^'; +}; + + +Mark.prototype.toString = function toString(compact) { + var snippet, where = ''; + + if (this.name) { + where += 'in "' + this.name + '" '; + } + + where += 'at line ' + (this.line + 1) + ', column ' + (this.column + 1); + + if (!compact) { + snippet = this.getSnippet(); + + if (snippet) { + where += ':\n' + snippet; + } + } + + return where; +}; + + +var mark = Mark; + +var TYPE_CONSTRUCTOR_OPTIONS = [ + 'kind', + 'resolve', + 'construct', + 'instanceOf', + 'predicate', + 'represent', + 'defaultStyle', + 'styleAliases' +]; + +var YAML_NODE_KINDS = [ + 'scalar', + 'sequence', + 'mapping' +]; + +function compileStyleAliases(map) { + var result = {}; + + if (map !== null) { + Object.keys(map).forEach(function (style) { + map[style].forEach(function (alias) { + result[String(alias)] = style; + }); + }); + } + + return result; +} + +function Type(tag, options) { + options = options || {}; + + Object.keys(options).forEach(function (name) { + if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) { + throw new exception('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.'); + } + }); + + // TODO: Add tag format check. + this.tag = tag; + this.kind = options['kind'] || null; + this.resolve = options['resolve'] || function () { return true; }; + this.construct = options['construct'] || function (data) { return data; }; + this.instanceOf = options['instanceOf'] || null; + this.predicate = options['predicate'] || null; + this.represent = options['represent'] || null; + this.defaultStyle = options['defaultStyle'] || null; + this.styleAliases = compileStyleAliases(options['styleAliases'] || null); + + if (YAML_NODE_KINDS.indexOf(this.kind) === -1) { + throw new exception('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.'); + } +} + +var type = Type; + +/*eslint-disable max-len*/ + + + + + + +function compileList(schema, name, result) { + var exclude = []; + + schema.include.forEach(function (includedSchema) { + result = compileList(includedSchema, name, result); + }); + + schema[name].forEach(function (currentType) { + result.forEach(function (previousType, previousIndex) { + if (previousType.tag === currentType.tag && previousType.kind === currentType.kind) { + exclude.push(previousIndex); + } + }); + + result.push(currentType); + }); + + return result.filter(function (type, index) { + return exclude.indexOf(index) === -1; + }); +} + + +function compileMap(/* lists... */) { + var result = { + scalar: {}, + sequence: {}, + mapping: {}, + fallback: {} + }, index, length; + + function collectType(type) { + result[type.kind][type.tag] = result['fallback'][type.tag] = type; + } + + for (index = 0, length = arguments.length; index < length; index += 1) { + arguments[index].forEach(collectType); + } + return result; +} + + +function Schema(definition) { + this.include = definition.include || []; + this.implicit = definition.implicit || []; + this.explicit = definition.explicit || []; + + this.implicit.forEach(function (type) { + if (type.loadKind && type.loadKind !== 'scalar') { + throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.'); + } + }); + + this.compiledImplicit = compileList(this, 'implicit', []); + this.compiledExplicit = compileList(this, 'explicit', []); + this.compiledTypeMap = compileMap(this.compiledImplicit, this.compiledExplicit); +} + + +Schema.DEFAULT = null; + + +Schema.create = function createSchema() { + var schemas, types; + + switch (arguments.length) { + case 1: + schemas = Schema.DEFAULT; + types = arguments[0]; + break; + + case 2: + schemas = arguments[0]; + types = arguments[1]; + break; + + default: + throw new exception('Wrong number of arguments for Schema.create function'); + } + + schemas = common.toArray(schemas); + types = common.toArray(types); + + if (!schemas.every(function (schema) { return schema instanceof Schema; })) { + throw new exception('Specified list of super schemas (or a single Schema object) contains a non-Schema object.'); + } + + if (!types.every(function (type$1) { return type$1 instanceof type; })) { + throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + + return new Schema({ + include: schemas, + explicit: types + }); +}; + + +var schema = Schema; + +var str = new type('tag:yaml.org,2002:str', { + kind: 'scalar', + construct: function (data) { return data !== null ? data : ''; } +}); + +var seq = new type('tag:yaml.org,2002:seq', { + kind: 'sequence', + construct: function (data) { return data !== null ? data : []; } +}); + +var map = new type('tag:yaml.org,2002:map', { + kind: 'mapping', + construct: function (data) { return data !== null ? data : {}; } +}); + +var failsafe = new schema({ + explicit: [ + str, + seq, + map + ] +}); + +function resolveYamlNull(data) { + if (data === null) return true; + + var max = data.length; + + return (max === 1 && data === '~') || + (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL')); +} + +function constructYamlNull() { + return null; +} + +function isNull(object) { + return object === null; +} + +var _null = new type('tag:yaml.org,2002:null', { + kind: 'scalar', + resolve: resolveYamlNull, + construct: constructYamlNull, + predicate: isNull, + represent: { + canonical: function () { return '~'; }, + lowercase: function () { return 'null'; }, + uppercase: function () { return 'NULL'; }, + camelcase: function () { return 'Null'; } + }, + defaultStyle: 'lowercase' +}); + +function resolveYamlBoolean(data) { + if (data === null) return false; + + var max = data.length; + + return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) || + (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE')); +} + +function constructYamlBoolean(data) { + return data === 'true' || + data === 'True' || + data === 'TRUE'; +} + +function isBoolean(object) { + return Object.prototype.toString.call(object) === '[object Boolean]'; +} + +var bool = new type('tag:yaml.org,2002:bool', { + kind: 'scalar', + resolve: resolveYamlBoolean, + construct: constructYamlBoolean, + predicate: isBoolean, + represent: { + lowercase: function (object) { return object ? 'true' : 'false'; }, + uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; }, + camelcase: function (object) { return object ? 'True' : 'False'; } + }, + defaultStyle: 'lowercase' +}); + +function isHexCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) || + ((0x41/* A */ <= c) && (c <= 0x46/* F */)) || + ((0x61/* a */ <= c) && (c <= 0x66/* f */)); +} + +function isOctCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */)); +} + +function isDecCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)); +} + +function resolveYamlInteger(data) { + if (data === null) return false; + + var max = data.length, + index = 0, + hasDigits = false, + ch; + + if (!max) return false; + + ch = data[index]; + + // sign + if (ch === '-' || ch === '+') { + ch = data[++index]; + } + + if (ch === '0') { + // 0 + if (index + 1 === max) return true; + ch = data[++index]; + + // base 2, base 8, base 16 + + if (ch === 'b') { + // base 2 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch !== '0' && ch !== '1') return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'x') { + // base 16 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isHexCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + // base 8 + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isOctCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + // base 10 (except 0) or base 60 + + // value should not start with `_`; + if (ch === '_') return false; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch === ':') break; + if (!isDecCode(data.charCodeAt(index))) { + return false; + } + hasDigits = true; + } + + // Should have digits and should not end with `_` + if (!hasDigits || ch === '_') return false; + + // if !base60 - done; + if (ch !== ':') return true; + + // base60 almost not used, no needs to optimize + return /^(:[0-5]?[0-9])+$/.test(data.slice(index)); +} + +function constructYamlInteger(data) { + var value = data, sign = 1, ch, base, digits = []; + + if (value.indexOf('_') !== -1) { + value = value.replace(/_/g, ''); + } + + ch = value[0]; + + if (ch === '-' || ch === '+') { + if (ch === '-') sign = -1; + value = value.slice(1); + ch = value[0]; + } + + if (value === '0') return 0; + + if (ch === '0') { + if (value[1] === 'b') return sign * parseInt(value.slice(2), 2); + if (value[1] === 'x') return sign * parseInt(value, 16); + return sign * parseInt(value, 8); + } + + if (value.indexOf(':') !== -1) { + value.split(':').forEach(function (v) { + digits.unshift(parseInt(v, 10)); + }); + + value = 0; + base = 1; + + digits.forEach(function (d) { + value += (d * base); + base *= 60; + }); + + return sign * value; + + } + + return sign * parseInt(value, 10); +} + +function isInteger(object) { + return (Object.prototype.toString.call(object)) === '[object Number]' && + (object % 1 === 0 && !common.isNegativeZero(object)); +} + +var int_1 = new type('tag:yaml.org,2002:int', { + kind: 'scalar', + resolve: resolveYamlInteger, + construct: constructYamlInteger, + predicate: isInteger, + represent: { + binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); }, + octal: function (obj) { return obj >= 0 ? '0' + obj.toString(8) : '-0' + obj.toString(8).slice(1); }, + decimal: function (obj) { return obj.toString(10); }, + /* eslint-disable max-len */ + hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); } + }, + defaultStyle: 'decimal', + styleAliases: { + binary: [ 2, 'bin' ], + octal: [ 8, 'oct' ], + decimal: [ 10, 'dec' ], + hexadecimal: [ 16, 'hex' ] + } +}); + +var YAML_FLOAT_PATTERN = new RegExp( + // 2.5e4, 2.5 and integers + '^(?:[-+]?(?:0|[1-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + + // .2e4, .2 + // special case, seems not from spec + '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + + // 20:59 + '|[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\.[0-9_]*' + + // .inf + '|[-+]?\\.(?:inf|Inf|INF)' + + // .nan + '|\\.(?:nan|NaN|NAN))$'); + +function resolveYamlFloat(data) { + if (data === null) return false; + + if (!YAML_FLOAT_PATTERN.test(data) || + // Quick hack to not allow integers end with `_` + // Probably should update regexp & check speed + data[data.length - 1] === '_') { + return false; + } + + return true; +} + +function constructYamlFloat(data) { + var value, sign, base, digits; + + value = data.replace(/_/g, '').toLowerCase(); + sign = value[0] === '-' ? -1 : 1; + digits = []; + + if ('+-'.indexOf(value[0]) >= 0) { + value = value.slice(1); + } + + if (value === '.inf') { + return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY; + + } else if (value === '.nan') { + return NaN; + + } else if (value.indexOf(':') >= 0) { + value.split(':').forEach(function (v) { + digits.unshift(parseFloat(v, 10)); + }); + + value = 0.0; + base = 1; + + digits.forEach(function (d) { + value += d * base; + base *= 60; + }); + + return sign * value; + + } + return sign * parseFloat(value, 10); +} + + +var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/; + +function representYamlFloat(object, style) { + var res; + + if (isNaN(object)) { + switch (style) { + case 'lowercase': return '.nan'; + case 'uppercase': return '.NAN'; + case 'camelcase': return '.NaN'; + } + } else if (Number.POSITIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '.inf'; + case 'uppercase': return '.INF'; + case 'camelcase': return '.Inf'; + } + } else if (Number.NEGATIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '-.inf'; + case 'uppercase': return '-.INF'; + case 'camelcase': return '-.Inf'; + } + } else if (common.isNegativeZero(object)) { + return '-0.0'; + } + + res = object.toString(10); + + // JS stringifier can build scientific format without dots: 5e-100, + // while YAML requres dot: 5.e-100. Fix it with simple hack + + return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res; +} + +function isFloat(object) { + return (Object.prototype.toString.call(object) === '[object Number]') && + (object % 1 !== 0 || common.isNegativeZero(object)); +} + +var float_1 = new type('tag:yaml.org,2002:float', { + kind: 'scalar', + resolve: resolveYamlFloat, + construct: constructYamlFloat, + predicate: isFloat, + represent: representYamlFloat, + defaultStyle: 'lowercase' +}); + +var json = new schema({ + include: [ + failsafe + ], + implicit: [ + _null, + bool, + int_1, + float_1 + ] +}); + +var core = new schema({ + include: [ + json + ] +}); + +var YAML_DATE_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9])' + // [2] month + '-([0-9][0-9])$'); // [3] day + +var YAML_TIMESTAMP_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9]?)' + // [2] month + '-([0-9][0-9]?)' + // [3] day + '(?:[Tt]|[ \\t]+)' + // ... + '([0-9][0-9]?)' + // [4] hour + ':([0-9][0-9])' + // [5] minute + ':([0-9][0-9])' + // [6] second + '(?:\\.([0-9]*))?' + // [7] fraction + '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour + '(?::([0-9][0-9]))?))?$'); // [11] tz_minute + +function resolveYamlTimestamp(data) { + if (data === null) return false; + if (YAML_DATE_REGEXP.exec(data) !== null) return true; + if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; + return false; +} + +function constructYamlTimestamp(data) { + var match, year, month, day, hour, minute, second, fraction = 0, + delta = null, tz_hour, tz_minute, date; + + match = YAML_DATE_REGEXP.exec(data); + if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); + + if (match === null) throw new Error('Date resolve error'); + + // match: [1] year [2] month [3] day + + year = +(match[1]); + month = +(match[2]) - 1; // JS month starts with 0 + day = +(match[3]); + + if (!match[4]) { // no hour + return new Date(Date.UTC(year, month, day)); + } + + // match: [4] hour [5] minute [6] second [7] fraction + + hour = +(match[4]); + minute = +(match[5]); + second = +(match[6]); + + if (match[7]) { + fraction = match[7].slice(0, 3); + while (fraction.length < 3) { // milli-seconds + fraction += '0'; + } + fraction = +fraction; + } + + // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute + + if (match[9]) { + tz_hour = +(match[10]); + tz_minute = +(match[11] || 0); + delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds + if (match[9] === '-') delta = -delta; + } + + date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); + + if (delta) date.setTime(date.getTime() - delta); + + return date; +} + +function representYamlTimestamp(object /*, style*/) { + return object.toISOString(); +} + +var timestamp = new type('tag:yaml.org,2002:timestamp', { + kind: 'scalar', + resolve: resolveYamlTimestamp, + construct: constructYamlTimestamp, + instanceOf: Date, + represent: representYamlTimestamp +}); + +function resolveYamlMerge(data) { + return data === '<<' || data === null; +} + +var merge = new type('tag:yaml.org,2002:merge', { + kind: 'scalar', + resolve: resolveYamlMerge +}); + +/*eslint-disable no-bitwise*/ + +var NodeBuffer; + +try { + // A trick for browserified version, to not include `Buffer` shim + var _require = commonjsRequire; + NodeBuffer = _require('buffer').Buffer; +} catch (__) {} + + + + +// [ 64, 65, 66 ] -> [ padding, CR, LF ] +var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; + + +function resolveYamlBinary(data) { + if (data === null) return false; + + var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP; + + // Convert one by one. + for (idx = 0; idx < max; idx++) { + code = map.indexOf(data.charAt(idx)); + + // Skip CR/LF + if (code > 64) continue; + + // Fail on illegal characters + if (code < 0) return false; + + bitlen += 6; + } + + // If there are any bits left, source was corrupted + return (bitlen % 8) === 0; +} + +function constructYamlBinary(data) { + var idx, tailbits, + input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan + max = input.length, + map = BASE64_MAP, + bits = 0, + result = []; + + // Collect by 6*4 bits (3 bytes) + + for (idx = 0; idx < max; idx++) { + if ((idx % 4 === 0) && idx) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } + + bits = (bits << 6) | map.indexOf(input.charAt(idx)); + } + + // Dump tail + + tailbits = (max % 4) * 6; + + if (tailbits === 0) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } else if (tailbits === 18) { + result.push((bits >> 10) & 0xFF); + result.push((bits >> 2) & 0xFF); + } else if (tailbits === 12) { + result.push((bits >> 4) & 0xFF); + } + + // Wrap into Buffer for NodeJS and leave Array for browser + if (NodeBuffer) { + // Support node 6.+ Buffer API when available + return NodeBuffer.from ? NodeBuffer.from(result) : new NodeBuffer(result); + } + + return result; +} + +function representYamlBinary(object /*, style*/) { + var result = '', bits = 0, idx, tail, + max = object.length, + map = BASE64_MAP; + + // Convert every three bytes to 4 ASCII characters. + + for (idx = 0; idx < max; idx++) { + if ((idx % 3 === 0) && idx) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } + + bits = (bits << 8) + object[idx]; + } + + // Dump tail + + tail = max % 3; + + if (tail === 0) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } else if (tail === 2) { + result += map[(bits >> 10) & 0x3F]; + result += map[(bits >> 4) & 0x3F]; + result += map[(bits << 2) & 0x3F]; + result += map[64]; + } else if (tail === 1) { + result += map[(bits >> 2) & 0x3F]; + result += map[(bits << 4) & 0x3F]; + result += map[64]; + result += map[64]; + } + + return result; +} + +function isBinary(object) { + return NodeBuffer && NodeBuffer.isBuffer(object); +} + +var binary = new type('tag:yaml.org,2002:binary', { + kind: 'scalar', + resolve: resolveYamlBinary, + construct: constructYamlBinary, + predicate: isBinary, + represent: representYamlBinary +}); + +var _hasOwnProperty = Object.prototype.hasOwnProperty; +var _toString = Object.prototype.toString; + +function resolveYamlOmap(data) { + if (data === null) return true; + + var objectKeys = [], index, length, pair, pairKey, pairHasKey, + object = data; + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + pairHasKey = false; + + if (_toString.call(pair) !== '[object Object]') return false; + + for (pairKey in pair) { + if (_hasOwnProperty.call(pair, pairKey)) { + if (!pairHasKey) pairHasKey = true; + else return false; + } + } + + if (!pairHasKey) return false; + + if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey); + else return false; + } + + return true; +} + +function constructYamlOmap(data) { + return data !== null ? data : []; +} + +var omap = new type('tag:yaml.org,2002:omap', { + kind: 'sequence', + resolve: resolveYamlOmap, + construct: constructYamlOmap +}); + +var _toString$1 = Object.prototype.toString; + +function resolveYamlPairs(data) { + if (data === null) return true; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + if (_toString$1.call(pair) !== '[object Object]') return false; + + keys = Object.keys(pair); + + if (keys.length !== 1) return false; + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return true; +} + +function constructYamlPairs(data) { + if (data === null) return []; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + keys = Object.keys(pair); + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return result; +} + +var pairs = new type('tag:yaml.org,2002:pairs', { + kind: 'sequence', + resolve: resolveYamlPairs, + construct: constructYamlPairs +}); + +var _hasOwnProperty$1 = Object.prototype.hasOwnProperty; + +function resolveYamlSet(data) { + if (data === null) return true; + + var key, object = data; + + for (key in object) { + if (_hasOwnProperty$1.call(object, key)) { + if (object[key] !== null) return false; + } + } + + return true; +} + +function constructYamlSet(data) { + return data !== null ? data : {}; +} + +var set = new type('tag:yaml.org,2002:set', { + kind: 'mapping', + resolve: resolveYamlSet, + construct: constructYamlSet +}); + +var default_safe = new schema({ + include: [ + core + ], + implicit: [ + timestamp, + merge + ], + explicit: [ + binary, + omap, + pairs, + set + ] +}); + +function resolveJavascriptUndefined() { + return true; +} + +function constructJavascriptUndefined() { + /*eslint-disable no-undefined*/ + return undefined; +} + +function representJavascriptUndefined() { + return ''; +} + +function isUndefined(object) { + return typeof object === 'undefined'; +} + +var _undefined = new type('tag:yaml.org,2002:js/undefined', { + kind: 'scalar', + resolve: resolveJavascriptUndefined, + construct: constructJavascriptUndefined, + predicate: isUndefined, + represent: representJavascriptUndefined +}); + +function resolveJavascriptRegExp(data) { + if (data === null) return false; + if (data.length === 0) return false; + + var regexp = data, + tail = /\/([gim]*)$/.exec(data), + modifiers = ''; + + // if regexp starts with '/' it can have modifiers and must be properly closed + // `/foo/gim` - modifiers tail can be maximum 3 chars + if (regexp[0] === '/') { + if (tail) modifiers = tail[1]; + + if (modifiers.length > 3) return false; + // if expression starts with /, is should be properly terminated + if (regexp[regexp.length - modifiers.length - 1] !== '/') return false; + } + + return true; +} + +function constructJavascriptRegExp(data) { + var regexp = data, + tail = /\/([gim]*)$/.exec(data), + modifiers = ''; + + // `/foo/gim` - tail can be maximum 4 chars + if (regexp[0] === '/') { + if (tail) modifiers = tail[1]; + regexp = regexp.slice(1, regexp.length - modifiers.length - 1); + } + + return new RegExp(regexp, modifiers); +} + +function representJavascriptRegExp(object /*, style*/) { + var result = '/' + object.source + '/'; + + if (object.global) result += 'g'; + if (object.multiline) result += 'm'; + if (object.ignoreCase) result += 'i'; + + return result; +} + +function isRegExp(object) { + return Object.prototype.toString.call(object) === '[object RegExp]'; +} + +var regexp = new type('tag:yaml.org,2002:js/regexp', { + kind: 'scalar', + resolve: resolveJavascriptRegExp, + construct: constructJavascriptRegExp, + predicate: isRegExp, + represent: representJavascriptRegExp +}); + +var esprima; + +// Browserified version does not have esprima +// +// 1. For node.js just require module as deps +// 2. For browser try to require mudule via external AMD system. +// If not found - try to fallback to window.esprima. If not +// found too - then fail to parse. +// +try { + // workaround to exclude package from browserify list. + var _require$1 = commonjsRequire; + esprima = _require$1('esprima'); +} catch (_) { + /*global window */ + if (typeof window !== 'undefined') esprima = window.esprima; +} + + + +function resolveJavascriptFunction(data) { + if (data === null) return false; + + try { + var source = '(' + data + ')', + ast = esprima.parse(source, { range: true }); + + if (ast.type !== 'Program' || + ast.body.length !== 1 || + ast.body[0].type !== 'ExpressionStatement' || + (ast.body[0].expression.type !== 'ArrowFunctionExpression' && + ast.body[0].expression.type !== 'FunctionExpression')) { + return false; + } + + return true; + } catch (err) { + return false; + } +} + +function constructJavascriptFunction(data) { + /*jslint evil:true*/ + + var source = '(' + data + ')', + ast = esprima.parse(source, { range: true }), + params = [], + body; + + if (ast.type !== 'Program' || + ast.body.length !== 1 || + ast.body[0].type !== 'ExpressionStatement' || + (ast.body[0].expression.type !== 'ArrowFunctionExpression' && + ast.body[0].expression.type !== 'FunctionExpression')) { + throw new Error('Failed to resolve function'); + } + + ast.body[0].expression.params.forEach(function (param) { + params.push(param.name); + }); + + body = ast.body[0].expression.body.range; + + // Esprima's ranges include the first '{' and the last '}' characters on + // function expressions. So cut them out. + if (ast.body[0].expression.body.type === 'BlockStatement') { + /*eslint-disable no-new-func*/ + return new Function(params, source.slice(body[0] + 1, body[1] - 1)); + } + // ES6 arrow functions can omit the BlockStatement. In that case, just return + // the body. + /*eslint-disable no-new-func*/ + return new Function(params, 'return ' + source.slice(body[0], body[1])); +} + +function representJavascriptFunction(object /*, style*/) { + return object.toString(); +} + +function isFunction(object) { + return Object.prototype.toString.call(object) === '[object Function]'; +} + +var _function = new type('tag:yaml.org,2002:js/function', { + kind: 'scalar', + resolve: resolveJavascriptFunction, + construct: constructJavascriptFunction, + predicate: isFunction, + represent: representJavascriptFunction +}); + +var default_full = schema.DEFAULT = new schema({ + include: [ + default_safe + ], + explicit: [ + _undefined, + regexp, + _function + ] +}); + +/*eslint-disable max-len,no-use-before-define*/ + + + + + + + + +var _hasOwnProperty$2 = Object.prototype.hasOwnProperty; + + +var CONTEXT_FLOW_IN = 1; +var CONTEXT_FLOW_OUT = 2; +var CONTEXT_BLOCK_IN = 3; +var CONTEXT_BLOCK_OUT = 4; + + +var CHOMPING_CLIP = 1; +var CHOMPING_STRIP = 2; +var CHOMPING_KEEP = 3; + + +var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; +var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/; +var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/; +var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i; +var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i; + + +function _class(obj) { return Object.prototype.toString.call(obj); } + +function is_EOL(c) { + return (c === 0x0A/* LF */) || (c === 0x0D/* CR */); +} + +function is_WHITE_SPACE(c) { + return (c === 0x09/* Tab */) || (c === 0x20/* Space */); +} + +function is_WS_OR_EOL(c) { + return (c === 0x09/* Tab */) || + (c === 0x20/* Space */) || + (c === 0x0A/* LF */) || + (c === 0x0D/* CR */); +} + +function is_FLOW_INDICATOR(c) { + return c === 0x2C/* , */ || + c === 0x5B/* [ */ || + c === 0x5D/* ] */ || + c === 0x7B/* { */ || + c === 0x7D/* } */; +} + +function fromHexCode(c) { + var lc; + + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + /*eslint-disable no-bitwise*/ + lc = c | 0x20; + + if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) { + return lc - 0x61 + 10; + } + + return -1; +} + +function escapedHexLen(c) { + if (c === 0x78/* x */) { return 2; } + if (c === 0x75/* u */) { return 4; } + if (c === 0x55/* U */) { return 8; } + return 0; +} + +function fromDecimalCode(c) { + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + return -1; +} + +function simpleEscapeSequence(c) { + /* eslint-disable indent */ + return (c === 0x30/* 0 */) ? '\x00' : + (c === 0x61/* a */) ? '\x07' : + (c === 0x62/* b */) ? '\x08' : + (c === 0x74/* t */) ? '\x09' : + (c === 0x09/* Tab */) ? '\x09' : + (c === 0x6E/* n */) ? '\x0A' : + (c === 0x76/* v */) ? '\x0B' : + (c === 0x66/* f */) ? '\x0C' : + (c === 0x72/* r */) ? '\x0D' : + (c === 0x65/* e */) ? '\x1B' : + (c === 0x20/* Space */) ? ' ' : + (c === 0x22/* " */) ? '\x22' : + (c === 0x2F/* / */) ? '/' : + (c === 0x5C/* \ */) ? '\x5C' : + (c === 0x4E/* N */) ? '\x85' : + (c === 0x5F/* _ */) ? '\xA0' : + (c === 0x4C/* L */) ? '\u2028' : + (c === 0x50/* P */) ? '\u2029' : ''; +} + +function charFromCodepoint(c) { + if (c <= 0xFFFF) { + return String.fromCharCode(c); + } + // Encode UTF-16 surrogate pair + // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF + return String.fromCharCode( + ((c - 0x010000) >> 10) + 0xD800, + ((c - 0x010000) & 0x03FF) + 0xDC00 + ); +} + +var simpleEscapeCheck = new Array(256); // integer, for fast access +var simpleEscapeMap = new Array(256); +for (var i = 0; i < 256; i++) { + simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0; + simpleEscapeMap[i] = simpleEscapeSequence(i); +} + + +function State(input, options) { + this.input = input; + + this.filename = options['filename'] || null; + this.schema = options['schema'] || default_full; + this.onWarning = options['onWarning'] || null; + this.legacy = options['legacy'] || false; + this.json = options['json'] || false; + this.listener = options['listener'] || null; + + this.implicitTypes = this.schema.compiledImplicit; + this.typeMap = this.schema.compiledTypeMap; + + this.length = input.length; + this.position = 0; + this.line = 0; + this.lineStart = 0; + this.lineIndent = 0; + + this.documents = []; + + /* + this.version; + this.checkLineBreaks; + this.tagMap; + this.anchorMap; + this.tag; + this.anchor; + this.kind; + this.result;*/ + +} + + +function generateError(state, message) { + return new exception( + message, + new mark(state.filename, state.input, state.position, state.line, (state.position - state.lineStart))); +} + +function throwError(state, message) { + throw generateError(state, message); +} + +function throwWarning(state, message) { + if (state.onWarning) { + state.onWarning.call(null, generateError(state, message)); + } +} + + +var directiveHandlers = { + + YAML: function handleYamlDirective(state, name, args) { + + var match, major, minor; + + if (state.version !== null) { + throwError(state, 'duplication of %YAML directive'); + } + + if (args.length !== 1) { + throwError(state, 'YAML directive accepts exactly one argument'); + } + + match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]); + + if (match === null) { + throwError(state, 'ill-formed argument of the YAML directive'); + } + + major = parseInt(match[1], 10); + minor = parseInt(match[2], 10); + + if (major !== 1) { + throwError(state, 'unacceptable YAML version of the document'); + } + + state.version = args[0]; + state.checkLineBreaks = (minor < 2); + + if (minor !== 1 && minor !== 2) { + throwWarning(state, 'unsupported YAML version of the document'); + } + }, + + TAG: function handleTagDirective(state, name, args) { + + var handle, prefix; + + if (args.length !== 2) { + throwError(state, 'TAG directive accepts exactly two arguments'); + } + + handle = args[0]; + prefix = args[1]; + + if (!PATTERN_TAG_HANDLE.test(handle)) { + throwError(state, 'ill-formed tag handle (first argument) of the TAG directive'); + } + + if (_hasOwnProperty$2.call(state.tagMap, handle)) { + throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle'); + } + + if (!PATTERN_TAG_URI.test(prefix)) { + throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive'); + } + + state.tagMap[handle] = prefix; + } +}; + + +function captureSegment(state, start, end, checkJson) { + var _position, _length, _character, _result; + + if (start < end) { + _result = state.input.slice(start, end); + + if (checkJson) { + for (_position = 0, _length = _result.length; _position < _length; _position += 1) { + _character = _result.charCodeAt(_position); + if (!(_character === 0x09 || + (0x20 <= _character && _character <= 0x10FFFF))) { + throwError(state, 'expected valid JSON character'); + } + } + } else if (PATTERN_NON_PRINTABLE.test(_result)) { + throwError(state, 'the stream contains non-printable characters'); + } + + state.result += _result; + } +} + +function mergeMappings(state, destination, source, overridableKeys) { + var sourceKeys, key, index, quantity; + + if (!common.isObject(source)) { + throwError(state, 'cannot merge mappings; the provided source object is unacceptable'); + } + + sourceKeys = Object.keys(source); + + for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) { + key = sourceKeys[index]; + + if (!_hasOwnProperty$2.call(destination, key)) { + destination[key] = source[key]; + overridableKeys[key] = true; + } + } +} + +function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, startLine, startPos) { + var index, quantity; + + // The output is a plain object here, so keys can only be strings. + // We need to convert keyNode to a string, but doing so can hang the process + // (deeply nested arrays that explode exponentially using aliases). + if (Array.isArray(keyNode)) { + keyNode = Array.prototype.slice.call(keyNode); + + for (index = 0, quantity = keyNode.length; index < quantity; index += 1) { + if (Array.isArray(keyNode[index])) { + throwError(state, 'nested arrays are not supported inside keys'); + } + + if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') { + keyNode[index] = '[object Object]'; + } + } + } + + // Avoid code execution in load() via toString property + // (still use its own toString for arrays, timestamps, + // and whatever user schema extensions happen to have @@toStringTag) + if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') { + keyNode = '[object Object]'; + } + + + keyNode = String(keyNode); + + if (_result === null) { + _result = {}; + } + + if (keyTag === 'tag:yaml.org,2002:merge') { + if (Array.isArray(valueNode)) { + for (index = 0, quantity = valueNode.length; index < quantity; index += 1) { + mergeMappings(state, _result, valueNode[index], overridableKeys); + } + } else { + mergeMappings(state, _result, valueNode, overridableKeys); + } + } else { + if (!state.json && + !_hasOwnProperty$2.call(overridableKeys, keyNode) && + _hasOwnProperty$2.call(_result, keyNode)) { + state.line = startLine || state.line; + state.position = startPos || state.position; + throwError(state, 'duplicated mapping key'); + } + _result[keyNode] = valueNode; + delete overridableKeys[keyNode]; + } + + return _result; +} + +function readLineBreak(state) { + var ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x0A/* LF */) { + state.position++; + } else if (ch === 0x0D/* CR */) { + state.position++; + if (state.input.charCodeAt(state.position) === 0x0A/* LF */) { + state.position++; + } + } else { + throwError(state, 'a line break is expected'); + } + + state.line += 1; + state.lineStart = state.position; +} + +function skipSeparationSpace(state, allowComments, checkIndent) { + var lineBreaks = 0, + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (allowComments && ch === 0x23/* # */) { + do { + ch = state.input.charCodeAt(++state.position); + } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0); + } + + if (is_EOL(ch)) { + readLineBreak(state); + + ch = state.input.charCodeAt(state.position); + lineBreaks++; + state.lineIndent = 0; + + while (ch === 0x20/* Space */) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + } else { + break; + } + } + + if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) { + throwWarning(state, 'deficient indentation'); + } + + return lineBreaks; +} + +function testDocumentSeparator(state) { + var _position = state.position, + ch; + + ch = state.input.charCodeAt(_position); + + // Condition state.position === state.lineStart is tested + // in parent on each call, for efficiency. No needs to test here again. + if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) && + ch === state.input.charCodeAt(_position + 1) && + ch === state.input.charCodeAt(_position + 2)) { + + _position += 3; + + ch = state.input.charCodeAt(_position); + + if (ch === 0 || is_WS_OR_EOL(ch)) { + return true; + } + } + + return false; +} + +function writeFoldedLines(state, count) { + if (count === 1) { + state.result += ' '; + } else if (count > 1) { + state.result += common.repeat('\n', count - 1); + } +} + + +function readPlainScalar(state, nodeIndent, withinFlowCollection) { + var preceding, + following, + captureStart, + captureEnd, + hasPendingContent, + _line, + _lineStart, + _lineIndent, + _kind = state.kind, + _result = state.result, + ch; + + ch = state.input.charCodeAt(state.position); + + if (is_WS_OR_EOL(ch) || + is_FLOW_INDICATOR(ch) || + ch === 0x23/* # */ || + ch === 0x26/* & */ || + ch === 0x2A/* * */ || + ch === 0x21/* ! */ || + ch === 0x7C/* | */ || + ch === 0x3E/* > */ || + ch === 0x27/* ' */ || + ch === 0x22/* " */ || + ch === 0x25/* % */ || + ch === 0x40/* @ */ || + ch === 0x60/* ` */) { + return false; + } + + if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + return false; + } + } + + state.kind = 'scalar'; + state.result = ''; + captureStart = captureEnd = state.position; + hasPendingContent = false; + + while (ch !== 0) { + if (ch === 0x3A/* : */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + break; + } + + } else if (ch === 0x23/* # */) { + preceding = state.input.charCodeAt(state.position - 1); + + if (is_WS_OR_EOL(preceding)) { + break; + } + + } else if ((state.position === state.lineStart && testDocumentSeparator(state)) || + withinFlowCollection && is_FLOW_INDICATOR(ch)) { + break; + + } else if (is_EOL(ch)) { + _line = state.line; + _lineStart = state.lineStart; + _lineIndent = state.lineIndent; + skipSeparationSpace(state, false, -1); + + if (state.lineIndent >= nodeIndent) { + hasPendingContent = true; + ch = state.input.charCodeAt(state.position); + continue; + } else { + state.position = captureEnd; + state.line = _line; + state.lineStart = _lineStart; + state.lineIndent = _lineIndent; + break; + } + } + + if (hasPendingContent) { + captureSegment(state, captureStart, captureEnd, false); + writeFoldedLines(state, state.line - _line); + captureStart = captureEnd = state.position; + hasPendingContent = false; + } + + if (!is_WHITE_SPACE(ch)) { + captureEnd = state.position + 1; + } + + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, captureEnd, false); + + if (state.result) { + return true; + } + + state.kind = _kind; + state.result = _result; + return false; +} + +function readSingleQuotedScalar(state, nodeIndent) { + var ch, + captureStart, captureEnd; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x27/* ' */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x27/* ' */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x27/* ' */) { + captureStart = state.position; + state.position++; + captureEnd = state.position; + } else { + return true; + } + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a single quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a single quoted scalar'); +} + +function readDoubleQuotedScalar(state, nodeIndent) { + var captureStart, + captureEnd, + hexLength, + hexResult, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x22/* " */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x22/* " */) { + captureSegment(state, captureStart, state.position, true); + state.position++; + return true; + + } else if (ch === 0x5C/* \ */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (is_EOL(ch)) { + skipSeparationSpace(state, false, nodeIndent); + + // TODO: rework to inline fn with no type cast? + } else if (ch < 256 && simpleEscapeCheck[ch]) { + state.result += simpleEscapeMap[ch]; + state.position++; + + } else if ((tmp = escapedHexLen(ch)) > 0) { + hexLength = tmp; + hexResult = 0; + + for (; hexLength > 0; hexLength--) { + ch = state.input.charCodeAt(++state.position); + + if ((tmp = fromHexCode(ch)) >= 0) { + hexResult = (hexResult << 4) + tmp; + + } else { + throwError(state, 'expected hexadecimal character'); + } + } + + state.result += charFromCodepoint(hexResult); + + state.position++; + + } else { + throwError(state, 'unknown escape sequence'); + } + + captureStart = captureEnd = state.position; + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a double quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a double quoted scalar'); +} + +function readFlowCollection(state, nodeIndent) { + var readNext = true, + _line, + _tag = state.tag, + _result, + _anchor = state.anchor, + following, + terminator, + isPair, + isExplicitPair, + isMapping, + overridableKeys = {}, + keyNode, + keyTag, + valueNode, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x5B/* [ */) { + terminator = 0x5D;/* ] */ + isMapping = false; + _result = []; + } else if (ch === 0x7B/* { */) { + terminator = 0x7D;/* } */ + isMapping = true; + _result = {}; + } else { + return false; + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(++state.position); + + while (ch !== 0) { + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === terminator) { + state.position++; + state.tag = _tag; + state.anchor = _anchor; + state.kind = isMapping ? 'mapping' : 'sequence'; + state.result = _result; + return true; + } else if (!readNext) { + throwError(state, 'missed comma between flow collection entries'); + } + + keyTag = keyNode = valueNode = null; + isPair = isExplicitPair = false; + + if (ch === 0x3F/* ? */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following)) { + isPair = isExplicitPair = true; + state.position++; + skipSeparationSpace(state, true, nodeIndent); + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + keyTag = state.tag; + keyNode = state.result; + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) { + isPair = true; + ch = state.input.charCodeAt(++state.position); + skipSeparationSpace(state, true, nodeIndent); + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + valueNode = state.result; + } + + if (isMapping) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode); + } else if (isPair) { + _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode)); + } else { + _result.push(keyNode); + } + + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x2C/* , */) { + readNext = true; + ch = state.input.charCodeAt(++state.position); + } else { + readNext = false; + } + } + + throwError(state, 'unexpected end of the stream within a flow collection'); +} + +function readBlockScalar(state, nodeIndent) { + var captureStart, + folding, + chomping = CHOMPING_CLIP, + didReadContent = false, + detectedIndent = false, + textIndent = nodeIndent, + emptyLines = 0, + atMoreIndented = false, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x7C/* | */) { + folding = false; + } else if (ch === 0x3E/* > */) { + folding = true; + } else { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + + while (ch !== 0) { + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x2B/* + */ || ch === 0x2D/* - */) { + if (CHOMPING_CLIP === chomping) { + chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP; + } else { + throwError(state, 'repeat of a chomping mode identifier'); + } + + } else if ((tmp = fromDecimalCode(ch)) >= 0) { + if (tmp === 0) { + throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one'); + } else if (!detectedIndent) { + textIndent = nodeIndent + tmp - 1; + detectedIndent = true; + } else { + throwError(state, 'repeat of an indentation width identifier'); + } + + } else { + break; + } + } + + if (is_WHITE_SPACE(ch)) { + do { ch = state.input.charCodeAt(++state.position); } + while (is_WHITE_SPACE(ch)); + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (!is_EOL(ch) && (ch !== 0)); + } + } + + while (ch !== 0) { + readLineBreak(state); + state.lineIndent = 0; + + ch = state.input.charCodeAt(state.position); + + while ((!detectedIndent || state.lineIndent < textIndent) && + (ch === 0x20/* Space */)) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + + if (!detectedIndent && state.lineIndent > textIndent) { + textIndent = state.lineIndent; + } + + if (is_EOL(ch)) { + emptyLines++; + continue; + } + + // End of the scalar. + if (state.lineIndent < textIndent) { + + // Perform the chomping. + if (chomping === CHOMPING_KEEP) { + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } else if (chomping === CHOMPING_CLIP) { + if (didReadContent) { // i.e. only if the scalar is not empty. + state.result += '\n'; + } + } + + // Break this `while` cycle and go to the funciton's epilogue. + break; + } + + // Folded style: use fancy rules to handle line breaks. + if (folding) { + + // Lines starting with white space characters (more-indented lines) are not folded. + if (is_WHITE_SPACE(ch)) { + atMoreIndented = true; + // except for the first content line (cf. Example 8.1) + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + + // End of more-indented block. + } else if (atMoreIndented) { + atMoreIndented = false; + state.result += common.repeat('\n', emptyLines + 1); + + // Just one line break - perceive as the same line. + } else if (emptyLines === 0) { + if (didReadContent) { // i.e. only if we have already read some scalar content. + state.result += ' '; + } + + // Several line breaks - perceive as different lines. + } else { + state.result += common.repeat('\n', emptyLines); + } + + // Literal style: just add exact number of line breaks between content lines. + } else { + // Keep all line breaks except the header line break. + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } + + didReadContent = true; + detectedIndent = true; + emptyLines = 0; + captureStart = state.position; + + while (!is_EOL(ch) && (ch !== 0)) { + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, state.position, false); + } + + return true; +} + +function readBlockSequence(state, nodeIndent) { + var _line, + _tag = state.tag, + _anchor = state.anchor, + _result = [], + following, + detected = false, + ch; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + + if (ch !== 0x2D/* - */) { + break; + } + + following = state.input.charCodeAt(state.position + 1); + + if (!is_WS_OR_EOL(following)) { + break; + } + + detected = true; + state.position++; + + if (skipSeparationSpace(state, true, -1)) { + if (state.lineIndent <= nodeIndent) { + _result.push(null); + ch = state.input.charCodeAt(state.position); + continue; + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true); + _result.push(state.result); + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a sequence entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'sequence'; + state.result = _result; + return true; + } + return false; +} + +function readBlockMapping(state, nodeIndent, flowIndent) { + var following, + allowCompact, + _line, + _pos, + _tag = state.tag, + _anchor = state.anchor, + _result = {}, + overridableKeys = {}, + keyTag = null, + keyNode = null, + valueNode = null, + atExplicitKey = false, + detected = false, + ch; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + following = state.input.charCodeAt(state.position + 1); + _line = state.line; // Save the current line. + _pos = state.position; + + // + // Explicit notation case. There are two separate blocks: + // first for the key (denoted by "?") and second for the value (denoted by ":") + // + if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) { + + if (ch === 0x3F/* ? */) { + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = true; + allowCompact = true; + + } else if (atExplicitKey) { + // i.e. 0x3A/* : */ === character after the explicit key. + atExplicitKey = false; + allowCompact = true; + + } else { + throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line'); + } + + state.position += 1; + ch = following; + + // + // Implicit notation case. Flow-style node as the key first, then ":", and the value. + // + } else if (composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) { + + if (state.line === _line) { + ch = state.input.charCodeAt(state.position); + + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x3A/* : */) { + ch = state.input.charCodeAt(++state.position); + + if (!is_WS_OR_EOL(ch)) { + throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping'); + } + + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = false; + allowCompact = false; + keyTag = state.tag; + keyNode = state.result; + + } else if (detected) { + throwError(state, 'can not read an implicit mapping pair; a colon is missed'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + + } else if (detected) { + throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + + } else { + break; // Reading is done. Go to the epilogue. + } + + // + // Common reading code for both explicit and implicit notations. + // + if (state.line === _line || state.lineIndent > nodeIndent) { + if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) { + if (atExplicitKey) { + keyNode = state.result; + } else { + valueNode = state.result; + } + } + + if (!atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _pos); + keyTag = keyNode = valueNode = null; + } + + skipSeparationSpace(state, true, -1); + ch = state.input.charCodeAt(state.position); + } + + if (state.lineIndent > nodeIndent && (ch !== 0)) { + throwError(state, 'bad indentation of a mapping entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + // + // Epilogue. + // + + // Special case: last mapping's node contains only the key in explicit notation. + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null); + } + + // Expose the resulting mapping. + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'mapping'; + state.result = _result; + } + + return detected; +} + +function readTagProperty(state) { + var _position, + isVerbatim = false, + isNamed = false, + tagHandle, + tagName, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x21/* ! */) return false; + + if (state.tag !== null) { + throwError(state, 'duplication of a tag property'); + } + + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x3C/* < */) { + isVerbatim = true; + ch = state.input.charCodeAt(++state.position); + + } else if (ch === 0x21/* ! */) { + isNamed = true; + tagHandle = '!!'; + ch = state.input.charCodeAt(++state.position); + + } else { + tagHandle = '!'; + } + + _position = state.position; + + if (isVerbatim) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && ch !== 0x3E/* > */); + + if (state.position < state.length) { + tagName = state.input.slice(_position, state.position); + ch = state.input.charCodeAt(++state.position); + } else { + throwError(state, 'unexpected end of the stream within a verbatim tag'); + } + } else { + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + + if (ch === 0x21/* ! */) { + if (!isNamed) { + tagHandle = state.input.slice(_position - 1, state.position + 1); + + if (!PATTERN_TAG_HANDLE.test(tagHandle)) { + throwError(state, 'named tag handle cannot contain such characters'); + } + + isNamed = true; + _position = state.position + 1; + } else { + throwError(state, 'tag suffix cannot contain exclamation marks'); + } + } + + ch = state.input.charCodeAt(++state.position); + } + + tagName = state.input.slice(_position, state.position); + + if (PATTERN_FLOW_INDICATORS.test(tagName)) { + throwError(state, 'tag suffix cannot contain flow indicator characters'); + } + } + + if (tagName && !PATTERN_TAG_URI.test(tagName)) { + throwError(state, 'tag name cannot contain such characters: ' + tagName); + } + + if (isVerbatim) { + state.tag = tagName; + + } else if (_hasOwnProperty$2.call(state.tagMap, tagHandle)) { + state.tag = state.tagMap[tagHandle] + tagName; + + } else if (tagHandle === '!') { + state.tag = '!' + tagName; + + } else if (tagHandle === '!!') { + state.tag = 'tag:yaml.org,2002:' + tagName; + + } else { + throwError(state, 'undeclared tag handle "' + tagHandle + '"'); + } + + return true; +} + +function readAnchorProperty(state) { + var _position, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x26/* & */) return false; + + if (state.anchor !== null) { + throwError(state, 'duplication of an anchor property'); + } + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an anchor node must contain at least one character'); + } + + state.anchor = state.input.slice(_position, state.position); + return true; +} + +function readAlias(state) { + var _position, alias, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x2A/* * */) return false; + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an alias node must contain at least one character'); + } + + alias = state.input.slice(_position, state.position); + + if (!state.anchorMap.hasOwnProperty(alias)) { + throwError(state, 'unidentified alias "' + alias + '"'); + } + + state.result = state.anchorMap[alias]; + skipSeparationSpace(state, true, -1); + return true; +} + +function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) { + var allowBlockStyles, + allowBlockScalars, + allowBlockCollections, + indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } + } + + if (indentStatus === 1) { + while (readTagProperty(state) || readAnchorProperty(state)) { + if (skipSeparationSpace(state, true, -1)) { + atNewLine = true; + allowBlockCollections = allowBlockStyles; + + if (state.lineIndent > parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } else { + allowBlockCollections = false; + } + } + } + + if (allowBlockCollections) { + allowBlockCollections = atNewLine || allowCompact; + } + + if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) { + if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) { + flowIndent = parentIndent; + } else { + flowIndent = parentIndent + 1; + } + + blockIndent = state.position - state.lineStart; + + if (indentStatus === 1) { + if (allowBlockCollections && + (readBlockSequence(state, blockIndent) || + readBlockMapping(state, blockIndent, flowIndent)) || + readFlowCollection(state, flowIndent)) { + hasContent = true; + } else { + if ((allowBlockScalars && readBlockScalar(state, flowIndent)) || + readSingleQuotedScalar(state, flowIndent) || + readDoubleQuotedScalar(state, flowIndent)) { + hasContent = true; + + } else if (readAlias(state)) { + hasContent = true; + + if (state.tag !== null || state.anchor !== null) { + throwError(state, 'alias node should not have any properties'); + } + + } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) { + hasContent = true; + + if (state.tag === null) { + state.tag = '?'; + } + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else if (indentStatus === 0) { + // Special case: block sequences are allowed to have same indentation level as the parent. + // http://www.yaml.org/spec/1.2/spec.html#id2799784 + hasContent = allowBlockCollections && readBlockSequence(state, blockIndent); + } + } + + if (state.tag !== null && state.tag !== '!') { + if (state.tag === '?') { + for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) { + type = state.implicitTypes[typeIndex]; + + // Implicit resolving is not allowed for non-scalar types, and '?' + // non-specific tag is only assigned to plain scalars. So, it isn't + // needed to check for 'kind' conformity. + + if (type.resolve(state.result)) { // `state.result` updated in resolver if matched + state.result = type.construct(state.result); + state.tag = type.tag; + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + break; + } + } + } else if (_hasOwnProperty$2.call(state.typeMap[state.kind || 'fallback'], state.tag)) { + type = state.typeMap[state.kind || 'fallback'][state.tag]; + + if (state.result !== null && type.kind !== state.kind) { + throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"'); + } + + if (!type.resolve(state.result)) { // `state.result` updated in resolver if matched + throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag'); + } else { + state.result = type.construct(state.result); + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else { + throwError(state, 'unknown tag !<' + state.tag + '>'); + } + } + + if (state.listener !== null) { + state.listener('close', state); + } + return state.tag !== null || state.anchor !== null || hasContent; +} + +function readDocument(state) { + var documentStart = state.position, + _position, + directiveName, + directiveArgs, + hasDirectives = false, + ch; + + state.version = null; + state.checkLineBreaks = state.legacy; + state.tagMap = {}; + state.anchorMap = {}; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if (state.lineIndent > 0 || ch !== 0x25/* % */) { + break; + } + + hasDirectives = true; + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveName = state.input.slice(_position, state.position); + directiveArgs = []; + + if (directiveName.length < 1) { + throwError(state, 'directive name must not be less than one character in length'); + } + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && !is_EOL(ch)); + break; + } + + if (is_EOL(ch)) break; + + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveArgs.push(state.input.slice(_position, state.position)); + } + + if (ch !== 0) readLineBreak(state); + + if (_hasOwnProperty$2.call(directiveHandlers, directiveName)) { + directiveHandlers[directiveName](state, directiveName, directiveArgs); + } else { + throwWarning(state, 'unknown document directive "' + directiveName + '"'); + } + } + + skipSeparationSpace(state, true, -1); + + if (state.lineIndent === 0 && + state.input.charCodeAt(state.position) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 1) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 2) === 0x2D/* - */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + + } else if (hasDirectives) { + throwError(state, 'directives end mark is expected'); + } + + composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true); + skipSeparationSpace(state, true, -1); + + if (state.checkLineBreaks && + PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) { + throwWarning(state, 'non-ASCII line breaks are interpreted as content'); + } + + state.documents.push(state.result); + + if (state.position === state.lineStart && testDocumentSeparator(state)) { + + if (state.input.charCodeAt(state.position) === 0x2E/* . */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + } + return; + } + + if (state.position < (state.length - 1)) { + throwError(state, 'end of the stream or a document separator is expected'); + } else { + return; + } +} + + +function loadDocuments(input, options) { + input = String(input); + options = options || {}; + + if (input.length !== 0) { + + // Add tailing `\n` if not exists + if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ && + input.charCodeAt(input.length - 1) !== 0x0D/* CR */) { + input += '\n'; + } + + // Strip BOM + if (input.charCodeAt(0) === 0xFEFF) { + input = input.slice(1); + } + } + + var state = new State(input, options); + + // Use 0 as string terminator. That significantly simplifies bounds check. + state.input += '\0'; + + while (state.input.charCodeAt(state.position) === 0x20/* Space */) { + state.lineIndent += 1; + state.position += 1; + } + + while (state.position < (state.length - 1)) { + readDocument(state); + } + + return state.documents; +} + + +function loadAll(input, iterator, options) { + var documents = loadDocuments(input, options), index, length; + + if (typeof iterator !== 'function') { + return documents; + } + + for (index = 0, length = documents.length; index < length; index += 1) { + iterator(documents[index]); + } +} + + +function load(input, options) { + var documents = loadDocuments(input, options); + + if (documents.length === 0) { + /*eslint-disable no-undefined*/ + return undefined; + } else if (documents.length === 1) { + return documents[0]; + } + throw new exception('expected a single document in the stream, but found more'); +} + + +function safeLoadAll(input, output, options) { + if (typeof output === 'function') { + loadAll(input, output, common.extend({ schema: default_safe }, options)); + } else { + return loadAll(input, common.extend({ schema: default_safe }, options)); + } +} + + +function safeLoad(input, options) { + return load(input, common.extend({ schema: default_safe }, options)); +} + + +var loadAll_1 = loadAll; +var load_1 = load; +var safeLoadAll_1 = safeLoadAll; +var safeLoad_1 = safeLoad; + +var loader = { + loadAll: loadAll_1, + load: load_1, + safeLoadAll: safeLoadAll_1, + safeLoad: safeLoad_1 +}; + +/*eslint-disable no-use-before-define*/ + + + + + + +var _toString$2 = Object.prototype.toString; +var _hasOwnProperty$3 = Object.prototype.hasOwnProperty; + +var CHAR_TAB = 0x09; /* Tab */ +var CHAR_LINE_FEED = 0x0A; /* LF */ +var CHAR_SPACE = 0x20; /* Space */ +var CHAR_EXCLAMATION = 0x21; /* ! */ +var CHAR_DOUBLE_QUOTE = 0x22; /* " */ +var CHAR_SHARP = 0x23; /* # */ +var CHAR_PERCENT = 0x25; /* % */ +var CHAR_AMPERSAND = 0x26; /* & */ +var CHAR_SINGLE_QUOTE = 0x27; /* ' */ +var CHAR_ASTERISK = 0x2A; /* * */ +var CHAR_COMMA = 0x2C; /* , */ +var CHAR_MINUS = 0x2D; /* - */ +var CHAR_COLON = 0x3A; /* : */ +var CHAR_GREATER_THAN = 0x3E; /* > */ +var CHAR_QUESTION = 0x3F; /* ? */ +var CHAR_COMMERCIAL_AT = 0x40; /* @ */ +var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */ +var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */ +var CHAR_GRAVE_ACCENT = 0x60; /* ` */ +var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */ +var CHAR_VERTICAL_LINE = 0x7C; /* | */ +var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */ + +var ESCAPE_SEQUENCES = {}; + +ESCAPE_SEQUENCES[0x00] = '\\0'; +ESCAPE_SEQUENCES[0x07] = '\\a'; +ESCAPE_SEQUENCES[0x08] = '\\b'; +ESCAPE_SEQUENCES[0x09] = '\\t'; +ESCAPE_SEQUENCES[0x0A] = '\\n'; +ESCAPE_SEQUENCES[0x0B] = '\\v'; +ESCAPE_SEQUENCES[0x0C] = '\\f'; +ESCAPE_SEQUENCES[0x0D] = '\\r'; +ESCAPE_SEQUENCES[0x1B] = '\\e'; +ESCAPE_SEQUENCES[0x22] = '\\"'; +ESCAPE_SEQUENCES[0x5C] = '\\\\'; +ESCAPE_SEQUENCES[0x85] = '\\N'; +ESCAPE_SEQUENCES[0xA0] = '\\_'; +ESCAPE_SEQUENCES[0x2028] = '\\L'; +ESCAPE_SEQUENCES[0x2029] = '\\P'; + +var DEPRECATED_BOOLEANS_SYNTAX = [ + 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', + 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF' +]; + +function compileStyleMap(schema, map) { + var result, keys, index, length, tag, style, type; + + if (map === null) return {}; + + result = {}; + keys = Object.keys(map); + + for (index = 0, length = keys.length; index < length; index += 1) { + tag = keys[index]; + style = String(map[tag]); + + if (tag.slice(0, 2) === '!!') { + tag = 'tag:yaml.org,2002:' + tag.slice(2); + } + type = schema.compiledTypeMap['fallback'][tag]; + + if (type && _hasOwnProperty$3.call(type.styleAliases, style)) { + style = type.styleAliases[style]; + } + + result[tag] = style; + } + + return result; +} + +function encodeHex(character) { + var string, handle, length; + + string = character.toString(16).toUpperCase(); + + if (character <= 0xFF) { + handle = 'x'; + length = 2; + } else if (character <= 0xFFFF) { + handle = 'u'; + length = 4; + } else if (character <= 0xFFFFFFFF) { + handle = 'U'; + length = 8; + } else { + throw new exception('code point within a string may not be greater than 0xFFFFFFFF'); + } + + return '\\' + handle + common.repeat('0', length - string.length) + string; +} + +function State$1(options) { + this.schema = options['schema'] || default_full; + this.indent = Math.max(1, (options['indent'] || 2)); + this.noArrayIndent = options['noArrayIndent'] || false; + this.skipInvalid = options['skipInvalid'] || false; + this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']); + this.styleMap = compileStyleMap(this.schema, options['styles'] || null); + this.sortKeys = options['sortKeys'] || false; + this.lineWidth = options['lineWidth'] || 80; + this.noRefs = options['noRefs'] || false; + this.noCompatMode = options['noCompatMode'] || false; + this.condenseFlow = options['condenseFlow'] || false; + + this.implicitTypes = this.schema.compiledImplicit; + this.explicitTypes = this.schema.compiledExplicit; + + this.tag = null; + this.result = ''; + + this.duplicates = []; + this.usedDuplicates = null; +} + +// Indents every line in a string. Empty lines (\n only) are not indented. +function indentString(string, spaces) { + var ind = common.repeat(' ', spaces), + position = 0, + next = -1, + result = '', + line, + length = string.length; + + while (position < length) { + next = string.indexOf('\n', position); + if (next === -1) { + line = string.slice(position); + position = length; + } else { + line = string.slice(position, next + 1); + position = next + 1; + } + + if (line.length && line !== '\n') result += ind; + + result += line; + } + + return result; +} + +function generateNextLine(state, level) { + return '\n' + common.repeat(' ', state.indent * level); +} + +function testImplicitResolving(state, str) { + var index, length, type; + + for (index = 0, length = state.implicitTypes.length; index < length; index += 1) { + type = state.implicitTypes[index]; + + if (type.resolve(str)) { + return true; + } + } + + return false; +} + +// [33] s-white ::= s-space | s-tab +function isWhitespace(c) { + return c === CHAR_SPACE || c === CHAR_TAB; +} + +// Returns true if the character can be printed without escaping. +// From YAML 1.2: "any allowed characters known to be non-printable +// should also be escaped. [However,] This isn’t mandatory" +// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. +function isPrintable(c) { + return (0x00020 <= c && c <= 0x00007E) + || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029) + || ((0x0E000 <= c && c <= 0x00FFFD) && c !== 0xFEFF /* BOM */) + || (0x10000 <= c && c <= 0x10FFFF); +} + +// Simplified test for values allowed after the first character in plain style. +function isPlainSafe(c) { + // Uses a subset of nb-char - c-flow-indicator - ":" - "#" + // where nb-char ::= c-printable - b-char - c-byte-order-mark. + return isPrintable(c) && c !== 0xFEFF + // - c-flow-indicator + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + // - ":" - "#" + && c !== CHAR_COLON + && c !== CHAR_SHARP; +} + +// Simplified test for values allowed as the first character in plain style. +function isPlainSafeFirst(c) { + // Uses a subset of ns-char - c-indicator + // where ns-char = nb-char - s-white. + return isPrintable(c) && c !== 0xFEFF + && !isWhitespace(c) // - s-white + // - (c-indicator ::= + // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” + && c !== CHAR_MINUS + && c !== CHAR_QUESTION + && c !== CHAR_COLON + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + // | “#” | “&” | “*” | “!” | “|” | “>” | “'” | “"” + && c !== CHAR_SHARP + && c !== CHAR_AMPERSAND + && c !== CHAR_ASTERISK + && c !== CHAR_EXCLAMATION + && c !== CHAR_VERTICAL_LINE + && c !== CHAR_GREATER_THAN + && c !== CHAR_SINGLE_QUOTE + && c !== CHAR_DOUBLE_QUOTE + // | “%” | “@” | “`”) + && c !== CHAR_PERCENT + && c !== CHAR_COMMERCIAL_AT + && c !== CHAR_GRAVE_ACCENT; +} + +// Determines whether block indentation indicator is required. +function needIndentIndicator(string) { + var leadingSpaceRe = /^\n* /; + return leadingSpaceRe.test(string); +} + +var STYLE_PLAIN = 1, + STYLE_SINGLE = 2, + STYLE_LITERAL = 3, + STYLE_FOLDED = 4, + STYLE_DOUBLE = 5; + +// Determines which scalar styles are possible and returns the preferred style. +// lineWidth = -1 => no limit. +// Pre-conditions: str.length > 0. +// Post-conditions: +// STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. +// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). +// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). +function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, testAmbiguousType) { + var i; + var char; + var hasLineBreak = false; + var hasFoldableLine = false; // only checked if shouldTrackWidth + var shouldTrackWidth = lineWidth !== -1; + var previousLineBreak = -1; // count the first line correctly + var plain = isPlainSafeFirst(string.charCodeAt(0)) + && !isWhitespace(string.charCodeAt(string.length - 1)); + + if (singleLineOnly) { + // Case: no block styles. + // Check for disallowed characters to rule out plain and single. + for (i = 0; i < string.length; i++) { + char = string.charCodeAt(i); + if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char); + } + } else { + // Case: block styles permitted. + for (i = 0; i < string.length; i++) { + char = string.charCodeAt(i); + if (char === CHAR_LINE_FEED) { + hasLineBreak = true; + // Check if any line can be folded. + if (shouldTrackWidth) { + hasFoldableLine = hasFoldableLine || + // Foldable line = too long, and not more-indented. + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' '); + previousLineBreak = i; + } + } else if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char); + } + // in case the end is missing a \n + hasFoldableLine = hasFoldableLine || (shouldTrackWidth && + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' ')); + } + // Although every style can represent \n without escaping, prefer block styles + // for multiline, since they're more readable and they don't add empty lines. + // Also prefer folding a super-long line. + if (!hasLineBreak && !hasFoldableLine) { + // Strings interpretable as another type have to be quoted; + // e.g. the string 'true' vs. the boolean true. + return plain && !testAmbiguousType(string) + ? STYLE_PLAIN : STYLE_SINGLE; + } + // Edge case: block indentation indicator can only have one digit. + if (indentPerLevel > 9 && needIndentIndicator(string)) { + return STYLE_DOUBLE; + } + // At this point we know block styles are valid. + // Prefer literal style unless we want to fold. + return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; +} + +// Note: line breaking/folding is implemented for only the folded style. +// NB. We drop the last trailing newline (if any) of a returned block scalar +// since the dumper adds its own newline. This always works: +// • No ending newline => unaffected; already using strip "-" chomping. +// • Ending newline => removed then restored. +// Importantly, this keeps the "+" chomp indicator from gaining an extra line. +function writeScalar(state, string, level, iskey) { + state.dump = (function () { + if (string.length === 0) { + return "''"; + } + if (!state.noCompatMode && + DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1) { + return "'" + string + "'"; + } + + var indent = state.indent * Math.max(1, level); // no 0-indent scalars + // As indentation gets deeper, let the width decrease monotonically + // to the lower bound min(state.lineWidth, 40). + // Note that this implies + // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. + // state.lineWidth > 40 + state.indent: width decreases until the lower bound. + // This behaves better than a constant minimum width which disallows narrower options, + // or an indent threshold which causes the width to suddenly increase. + var lineWidth = state.lineWidth === -1 + ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); + + // Without knowing if keys are implicit/explicit, assume implicit for safety. + var singleLineOnly = iskey + // No block styles in flow mode. + || (state.flowLevel > -1 && level >= state.flowLevel); + function testAmbiguity(string) { + return testImplicitResolving(state, string); + } + + switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, testAmbiguity)) { + case STYLE_PLAIN: + return string; + case STYLE_SINGLE: + return "'" + string.replace(/'/g, "''") + "'"; + case STYLE_LITERAL: + return '|' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(string, indent)); + case STYLE_FOLDED: + return '>' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(foldString(string, lineWidth), indent)); + case STYLE_DOUBLE: + return '"' + escapeString(string) + '"'; + default: + throw new exception('impossible error: invalid scalar style'); + } + }()); +} + +// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. +function blockHeader(string, indentPerLevel) { + var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : ''; + + // note the special case: the string '\n' counts as a "trailing" empty line. + var clip = string[string.length - 1] === '\n'; + var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); + var chomp = keep ? '+' : (clip ? '' : '-'); + + return indentIndicator + chomp + '\n'; +} + +// (See the note for writeScalar.) +function dropEndingNewline(string) { + return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; +} + +// Note: a long line without a suitable break point will exceed the width limit. +// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. +function foldString(string, width) { + // In folded style, $k$ consecutive newlines output as $k+1$ newlines— + // unless they're before or after a more-indented line, or at the very + // beginning or end, in which case $k$ maps to $k$. + // Therefore, parse each chunk as newline(s) followed by a content line. + var lineRe = /(\n+)([^\n]*)/g; + + // first line (possibly an empty line) + var result = (function () { + var nextLF = string.indexOf('\n'); + nextLF = nextLF !== -1 ? nextLF : string.length; + lineRe.lastIndex = nextLF; + return foldLine(string.slice(0, nextLF), width); + }()); + // If we haven't reached the first content line yet, don't add an extra \n. + var prevMoreIndented = string[0] === '\n' || string[0] === ' '; + var moreIndented; + + // rest of the lines + var match; + while ((match = lineRe.exec(string))) { + var prefix = match[1], line = match[2]; + moreIndented = (line[0] === ' '); + result += prefix + + (!prevMoreIndented && !moreIndented && line !== '' + ? '\n' : '') + + foldLine(line, width); + prevMoreIndented = moreIndented; + } + + return result; +} + +// Greedy line breaking. +// Picks the longest line under the limit each time, +// otherwise settles for the shortest line over the limit. +// NB. More-indented lines *cannot* be folded, as that would add an extra \n. +function foldLine(line, width) { + if (line === '' || line[0] === ' ') return line; + + // Since a more-indented line adds a \n, breaks can't be followed by a space. + var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. + var match; + // start is an inclusive index. end, curr, and next are exclusive. + var start = 0, end, curr = 0, next = 0; + var result = ''; + + // Invariants: 0 <= start <= length-1. + // 0 <= curr <= next <= max(0, length-2). curr - start <= width. + // Inside the loop: + // A match implies length >= 2, so curr and next are <= length-2. + while ((match = breakRe.exec(line))) { + next = match.index; + // maintain invariant: curr - start <= width + if (next - start > width) { + end = (curr > start) ? curr : next; // derive end <= length-2 + result += '\n' + line.slice(start, end); + // skip the space that was output as \n + start = end + 1; // derive start <= length-1 + } + curr = next; + } + + // By the invariants, start <= length-1, so there is something left over. + // It is either the whole string or a part starting from non-whitespace. + result += '\n'; + // Insert a break if the remainder is too long and there is a break available. + if (line.length - start > width && curr > start) { + result += line.slice(start, curr) + '\n' + line.slice(curr + 1); + } else { + result += line.slice(start); + } + + return result.slice(1); // drop extra \n joiner +} + +// Escapes a double-quoted string. +function escapeString(string) { + var result = ''; + var char, nextChar; + var escapeSeq; + + for (var i = 0; i < string.length; i++) { + char = string.charCodeAt(i); + // Check for surrogate pairs (reference Unicode 3.0 section "3.7 Surrogates"). + if (char >= 0xD800 && char <= 0xDBFF/* high surrogate */) { + nextChar = string.charCodeAt(i + 1); + if (nextChar >= 0xDC00 && nextChar <= 0xDFFF/* low surrogate */) { + // Combine the surrogate pair and store it escaped. + result += encodeHex((char - 0xD800) * 0x400 + nextChar - 0xDC00 + 0x10000); + // Advance index one extra since we already used that char here. + i++; continue; + } + } + escapeSeq = ESCAPE_SEQUENCES[char]; + result += !escapeSeq && isPrintable(char) + ? string[i] + : escapeSeq || encodeHex(char); + } + + return result; +} + +function writeFlowSequence(state, level, object) { + var _result = '', + _tag = state.tag, + index, + length; + + for (index = 0, length = object.length; index < length; index += 1) { + // Write only valid elements. + if (writeNode(state, level, object[index], false, false)) { + if (index !== 0) _result += ',' + (!state.condenseFlow ? ' ' : ''); + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = '[' + _result + ']'; +} + +function writeBlockSequence(state, level, object, compact) { + var _result = '', + _tag = state.tag, + index, + length; + + for (index = 0, length = object.length; index < length; index += 1) { + // Write only valid elements. + if (writeNode(state, level + 1, object[index], true, true)) { + if (!compact || index !== 0) { + _result += generateNextLine(state, level); + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + _result += '-'; + } else { + _result += '- '; + } + + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = _result || '[]'; // Empty sequence if no valid values. +} + +function writeFlowMapping(state, level, object) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + pairBuffer; + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + pairBuffer = state.condenseFlow ? '"' : ''; + + if (index !== 0) pairBuffer += ', '; + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (!writeNode(state, level, objectKey, false, false)) { + continue; // Skip this pair because of invalid key; + } + + if (state.dump.length > 1024) pairBuffer += '? '; + + pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' '); + + if (!writeNode(state, level, objectValue, false, false)) { + continue; // Skip this pair because of invalid value. + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = '{' + _result + '}'; +} + +function writeBlockMapping(state, level, object, compact) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + explicitPair, + pairBuffer; + + // Allow sorting keys so that the output file is deterministic + if (state.sortKeys === true) { + // Default sorting + objectKeyList.sort(); + } else if (typeof state.sortKeys === 'function') { + // Custom sort function + objectKeyList.sort(state.sortKeys); + } else if (state.sortKeys) { + // Something is wrong + throw new exception('sortKeys must be a boolean or a function'); + } + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + pairBuffer = ''; + + if (!compact || index !== 0) { + pairBuffer += generateNextLine(state, level); + } + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (!writeNode(state, level + 1, objectKey, true, true, true)) { + continue; // Skip this pair because of invalid key. + } + + explicitPair = (state.tag !== null && state.tag !== '?') || + (state.dump && state.dump.length > 1024); + + if (explicitPair) { + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += '?'; + } else { + pairBuffer += '? '; + } + } + + pairBuffer += state.dump; + + if (explicitPair) { + pairBuffer += generateNextLine(state, level); + } + + if (!writeNode(state, level + 1, objectValue, true, explicitPair)) { + continue; // Skip this pair because of invalid value. + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += ':'; + } else { + pairBuffer += ': '; + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = _result || '{}'; // Empty mapping if no valid pairs. +} + +function detectType(state, object, explicit) { + var _result, typeList, index, length, type, style; + + typeList = explicit ? state.explicitTypes : state.implicitTypes; + + for (index = 0, length = typeList.length; index < length; index += 1) { + type = typeList[index]; + + if ((type.instanceOf || type.predicate) && + (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) && + (!type.predicate || type.predicate(object))) { + + state.tag = explicit ? type.tag : '?'; + + if (type.represent) { + style = state.styleMap[type.tag] || type.defaultStyle; + + if (_toString$2.call(type.represent) === '[object Function]') { + _result = type.represent(object, style); + } else if (_hasOwnProperty$3.call(type.represent, style)) { + _result = type.represent[style](object, style); + } else { + throw new exception('!<' + type.tag + '> tag resolver accepts not "' + style + '" style'); + } + + state.dump = _result; + } + + return true; + } + } + + return false; +} + +// Serializes `object` and writes it to global `result`. +// Returns true on success, or false on invalid object. +// +function writeNode(state, level, object, block, compact, iskey) { + state.tag = null; + state.dump = object; + + if (!detectType(state, object, false)) { + detectType(state, object, true); + } + + var type = _toString$2.call(state.dump); + + if (block) { + block = (state.flowLevel < 0 || state.flowLevel > level); + } + + var objectOrArray = type === '[object Object]' || type === '[object Array]', + duplicateIndex, + duplicate; + + if (objectOrArray) { + duplicateIndex = state.duplicates.indexOf(object); + duplicate = duplicateIndex !== -1; + } + + if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) { + compact = false; + } + + if (duplicate && state.usedDuplicates[duplicateIndex]) { + state.dump = '*ref_' + duplicateIndex; + } else { + if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) { + state.usedDuplicates[duplicateIndex] = true; + } + if (type === '[object Object]') { + if (block && (Object.keys(state.dump).length !== 0)) { + writeBlockMapping(state, level, state.dump, compact); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowMapping(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object Array]') { + var arrayLevel = (state.noArrayIndent && (level > 0)) ? level - 1 : level; + if (block && (state.dump.length !== 0)) { + writeBlockSequence(state, arrayLevel, state.dump, compact); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowSequence(state, arrayLevel, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object String]') { + if (state.tag !== '?') { + writeScalar(state, state.dump, level, iskey); + } + } else { + if (state.skipInvalid) return false; + throw new exception('unacceptable kind of an object to dump ' + type); + } + + if (state.tag !== null && state.tag !== '?') { + state.dump = '!<' + state.tag + '> ' + state.dump; + } + } + + return true; +} + +function getDuplicateReferences(object, state) { + var objects = [], + duplicatesIndexes = [], + index, + length; + + inspectNode(object, objects, duplicatesIndexes); + + for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) { + state.duplicates.push(objects[duplicatesIndexes[index]]); + } + state.usedDuplicates = new Array(length); +} + +function inspectNode(object, objects, duplicatesIndexes) { + var objectKeyList, + index, + length; + + if (object !== null && typeof object === 'object') { + index = objects.indexOf(object); + if (index !== -1) { + if (duplicatesIndexes.indexOf(index) === -1) { + duplicatesIndexes.push(index); + } + } else { + objects.push(object); + + if (Array.isArray(object)) { + for (index = 0, length = object.length; index < length; index += 1) { + inspectNode(object[index], objects, duplicatesIndexes); + } + } else { + objectKeyList = Object.keys(object); + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes); + } + } + } + } +} + +function dump(input, options) { + options = options || {}; + + var state = new State$1(options); + + if (!state.noRefs) getDuplicateReferences(input, state); + + if (writeNode(state, 0, input, true, true)) return state.dump + '\n'; + + return ''; +} + +function safeDump(input, options) { + return dump(input, common.extend({ schema: default_safe }, options)); +} + +var dump_1 = dump; +var safeDump_1 = safeDump; + +var dumper = { + dump: dump_1, + safeDump: safeDump_1 +}; + +function deprecated(name) { + return function () { + throw new Error('Function ' + name + ' is deprecated and cannot be used.'); + }; +} + + +var Type$1 = type; +var Schema$1 = schema; +var FAILSAFE_SCHEMA = failsafe; +var JSON_SCHEMA = json; +var CORE_SCHEMA = core; +var DEFAULT_SAFE_SCHEMA = default_safe; +var DEFAULT_FULL_SCHEMA = default_full; +var load$1 = loader.load; +var loadAll$1 = loader.loadAll; +var safeLoad$1 = loader.safeLoad; +var safeLoadAll$1 = loader.safeLoadAll; +var dump$1 = dumper.dump; +var safeDump$1 = dumper.safeDump; +var YAMLException$1 = exception; + +// Deprecated schema names from JS-YAML 2.0.x +var MINIMAL_SCHEMA = failsafe; +var SAFE_SCHEMA = default_safe; +var DEFAULT_SCHEMA = default_full; + +// Deprecated functions from JS-YAML 1.x.x +var scan = deprecated('scan'); +var parse = deprecated('parse'); +var compose = deprecated('compose'); +var addConstructor = deprecated('addConstructor'); + +var jsYaml = { + Type: Type$1, + Schema: Schema$1, + FAILSAFE_SCHEMA: FAILSAFE_SCHEMA, + JSON_SCHEMA: JSON_SCHEMA, + CORE_SCHEMA: CORE_SCHEMA, + DEFAULT_SAFE_SCHEMA: DEFAULT_SAFE_SCHEMA, + DEFAULT_FULL_SCHEMA: DEFAULT_FULL_SCHEMA, + load: load$1, + loadAll: loadAll$1, + safeLoad: safeLoad$1, + safeLoadAll: safeLoadAll$1, + dump: dump$1, + safeDump: safeDump$1, + YAMLException: YAMLException$1, + MINIMAL_SCHEMA: MINIMAL_SCHEMA, + SAFE_SCHEMA: SAFE_SCHEMA, + DEFAULT_SCHEMA: DEFAULT_SCHEMA, + scan: scan, + parse: parse, + compose: compose, + addConstructor: addConstructor +}; + +var jsYaml$1 = jsYaml; + +var isArrayish = function isArrayish(obj) { + if (!obj) { + return false; + } + + return obj instanceof Array || Array.isArray(obj) || + (obj.length >= 0 && obj.splice instanceof Function); +}; + +var errorEx = function errorEx(name, properties) { + if (!name || name.constructor !== String) { + properties = name || {}; + name = Error.name; + } + + var errorExError = function ErrorEXError(message) { + if (!this) { + return new ErrorEXError(message); + } + + message = message instanceof Error + ? message.message + : (message || this.message); + + Error.call(this, message); + Error.captureStackTrace(this, errorExError); + + this.name = name; + + Object.defineProperty(this, 'message', { + configurable: true, + enumerable: false, + get: function () { + var newMessage = message.split(/\r?\n/g); + + for (var key in properties) { + if (!properties.hasOwnProperty(key)) { + continue; + } + + var modifier = properties[key]; + + if ('message' in modifier) { + newMessage = modifier.message(this[key], newMessage) || newMessage; + if (!isArrayish(newMessage)) { + newMessage = [newMessage]; + } + } + } + + return newMessage.join('\n'); + }, + set: function (v) { + message = v; + } + }); + + var overwrittenStack = null; + + var stackDescriptor = Object.getOwnPropertyDescriptor(this, 'stack'); + var stackGetter = stackDescriptor.get; + var stackValue = stackDescriptor.value; + delete stackDescriptor.value; + delete stackDescriptor.writable; + + stackDescriptor.set = function (newstack) { + overwrittenStack = newstack; + }; + + stackDescriptor.get = function () { + var stack = (overwrittenStack || ((stackGetter) + ? stackGetter.call(this) + : stackValue)).split(/\r?\n+/g); + + // starting in Node 7, the stack builder caches the message. + // just replace it. + if (!overwrittenStack) { + stack[0] = this.name + ': ' + this.message; + } + + var lineCount = 1; + for (var key in properties) { + if (!properties.hasOwnProperty(key)) { + continue; + } + + var modifier = properties[key]; + + if ('line' in modifier) { + var line = modifier.line(this[key]); + if (line) { + stack.splice(lineCount++, 0, ' ' + line); + } + } + + if ('stack' in modifier) { + modifier.stack(this[key], stack); + } + } + + return stack.join('\n'); + }; + + Object.defineProperty(this, 'stack', stackDescriptor); + }; + + if (Object.setPrototypeOf) { + Object.setPrototypeOf(errorExError.prototype, Error.prototype); + Object.setPrototypeOf(errorExError, Error); + } else { + util$1.inherits(errorExError, Error); + } + + return errorExError; +}; + +errorEx.append = function (str, def) { + return { + message: function (v, message) { + v = v || def; + + if (v) { + message[0] += ' ' + str.replace('%s', v.toString()); + } + + return message; + } + }; +}; + +errorEx.line = function (str, def) { + return { + line: function (v) { + v = v || def; + + if (v) { + return str.replace('%s', v.toString()); + } + + return null; + } + }; +}; + +var errorEx_1 = errorEx; + +var jsonParseBetterErrors = parseJson; +function parseJson (txt, reviver, context) { + context = context || 20; + try { + return JSON.parse(txt, reviver) + } catch (e) { + if (typeof txt !== 'string') { + const isEmptyArray = Array.isArray(txt) && txt.length === 0; + const errorMessage = 'Cannot parse ' + + (isEmptyArray ? 'an empty array' : String(txt)); + throw new TypeError(errorMessage) + } + const syntaxErr = e.message.match(/^Unexpected token.*position\s+(\d+)/i); + const errIdx = syntaxErr + ? +syntaxErr[1] + : e.message.match(/^Unexpected end of JSON.*/i) + ? txt.length - 1 + : null; + if (errIdx != null) { + const start = errIdx <= context + ? 0 + : errIdx - context; + const end = errIdx + context >= txt.length + ? txt.length + : errIdx + context; + e.message += ` while parsing near '${ + start === 0 ? '' : '...' + }${txt.slice(start, end)}${ + end === txt.length ? '' : '...' + }'`; + } else { + e.message += ` while parsing '${txt.slice(0, context * 2)}'`; + } + throw e + } +} + +const JSONError = errorEx_1('JSONError', { + fileName: errorEx_1.append('in %s') +}); + +var parseJson$1 = (input, reviver, filename) => { + if (typeof reviver === 'string') { + filename = reviver; + reviver = null; + } + + try { + try { + return JSON.parse(input, reviver); + } catch (err) { + jsonParseBetterErrors(input, reviver); + + throw err; + } + } catch (err) { + err.message = err.message.replace(/\n/g, ''); + + const jsonErr = new JSONError(err); + if (filename) { + jsonErr.fileName = filename; + } + + throw jsonErr; + } +}; + +/** + * Helpers. + */ + +var s = 1000; +var m = s * 60; +var h = m * 60; +var d = h * 24; +var w = d * 7; +var y = d * 365.25; + +/** + * Parse or format the given `val`. + * + * Options: + * + * - `long` verbose formatting [false] + * + * @param {String|Number} val + * @param {Object} [options] + * @throws {Error} throw an error if val is not a non-empty string or a number + * @return {String|Number} + * @api public + */ + +var ms = function(val, options) { + options = options || {}; + var type = typeof val; + if (type === 'string' && val.length > 0) { + return parse$1(val); + } else if (type === 'number' && isFinite(val)) { + return options.long ? fmtLong(val) : fmtShort(val); + } + throw new Error( + 'val is not a non-empty string or a valid number. val=' + + JSON.stringify(val) + ); +}; + +/** + * Parse the given `str` and return milliseconds. + * + * @param {String} str + * @return {Number} + * @api private + */ + +function parse$1(str) { + str = String(str); + if (str.length > 100) { + return; + } + var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec( + str + ); + if (!match) { + return; + } + var n = parseFloat(match[1]); + var type = (match[2] || 'ms').toLowerCase(); + switch (type) { + case 'years': + case 'year': + case 'yrs': + case 'yr': + case 'y': + return n * y; + case 'weeks': + case 'week': + case 'w': + return n * w; + case 'days': + case 'day': + case 'd': + return n * d; + case 'hours': + case 'hour': + case 'hrs': + case 'hr': + case 'h': + return n * h; + case 'minutes': + case 'minute': + case 'mins': + case 'min': + case 'm': + return n * m; + case 'seconds': + case 'second': + case 'secs': + case 'sec': + case 's': + return n * s; + case 'milliseconds': + case 'millisecond': + case 'msecs': + case 'msec': + case 'ms': + return n; + default: + return undefined; + } +} + +/** + * Short format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + +function fmtShort(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d) { + return Math.round(ms / d) + 'd'; + } + if (msAbs >= h) { + return Math.round(ms / h) + 'h'; + } + if (msAbs >= m) { + return Math.round(ms / m) + 'm'; + } + if (msAbs >= s) { + return Math.round(ms / s) + 's'; + } + return ms + 'ms'; +} + +/** + * Long format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + +function fmtLong(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d) { + return plural(ms, msAbs, d, 'day'); + } + if (msAbs >= h) { + return plural(ms, msAbs, h, 'hour'); + } + if (msAbs >= m) { + return plural(ms, msAbs, m, 'minute'); + } + if (msAbs >= s) { + return plural(ms, msAbs, s, 'second'); + } + return ms + ' ms'; +} + +/** + * Pluralization helper. + */ + +function plural(ms, msAbs, n, name) { + var isPlural = msAbs >= n * 1.5; + return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : ''); +} + +/** + * This is the common logic for both the Node.js and web browser + * implementations of `debug()`. + */ + +function setup(env) { + createDebug.debug = createDebug; + createDebug.default = createDebug; + createDebug.coerce = coerce; + createDebug.disable = disable; + createDebug.enable = enable; + createDebug.enabled = enabled; + createDebug.humanize = ms; + + Object.keys(env).forEach(key => { + createDebug[key] = env[key]; + }); + + /** + * Active `debug` instances. + */ + createDebug.instances = []; + + /** + * The currently active debug mode names, and names to skip. + */ + + createDebug.names = []; + createDebug.skips = []; + + /** + * Map of special "%n" handling functions, for the debug "format" argument. + * + * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N". + */ + createDebug.formatters = {}; + + /** + * Selects a color for a debug namespace + * @param {String} namespace The namespace string for the for the debug instance to be colored + * @return {Number|String} An ANSI color code for the given namespace + * @api private + */ + function selectColor(namespace) { + let hash = 0; + + for (let i = 0; i < namespace.length; i++) { + hash = ((hash << 5) - hash) + namespace.charCodeAt(i); + hash |= 0; // Convert to 32bit integer + } + + return createDebug.colors[Math.abs(hash) % createDebug.colors.length]; + } + createDebug.selectColor = selectColor; + + /** + * Create a debugger with the given `namespace`. + * + * @param {String} namespace + * @return {Function} + * @api public + */ + function createDebug(namespace) { + let prevTime; + + function debug(...args) { + // Disabled? + if (!debug.enabled) { + return; + } + + const self = debug; + + // Set `diff` timestamp + const curr = Number(new Date()); + const ms = curr - (prevTime || curr); + self.diff = ms; + self.prev = prevTime; + self.curr = curr; + prevTime = curr; + + args[0] = createDebug.coerce(args[0]); + + if (typeof args[0] !== 'string') { + // Anything else let's inspect with %O + args.unshift('%O'); + } + + // Apply any `formatters` transformations + let index = 0; + args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => { + // If we encounter an escaped % then don't increase the array index + if (match === '%%') { + return match; + } + index++; + const formatter = createDebug.formatters[format]; + if (typeof formatter === 'function') { + const val = args[index]; + match = formatter.call(self, val); + + // Now we need to remove `args[index]` since it's inlined in the `format` + args.splice(index, 1); + index--; + } + return match; + }); + + // Apply env-specific formatting (colors, etc.) + createDebug.formatArgs.call(self, args); + + const logFn = self.log || createDebug.log; + logFn.apply(self, args); + } + + debug.namespace = namespace; + debug.enabled = createDebug.enabled(namespace); + debug.useColors = createDebug.useColors(); + debug.color = selectColor(namespace); + debug.destroy = destroy; + debug.extend = extend; + // Debug.formatArgs = formatArgs; + // debug.rawLog = rawLog; + + // env-specific initialization logic for debug instances + if (typeof createDebug.init === 'function') { + createDebug.init(debug); + } + + createDebug.instances.push(debug); + + return debug; + } + + function destroy() { + const index = createDebug.instances.indexOf(this); + if (index !== -1) { + createDebug.instances.splice(index, 1); + return true; + } + return false; + } + + function extend(namespace, delimiter) { + const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace); + newDebug.log = this.log; + return newDebug; + } + + /** + * Enables a debug mode by namespaces. This can include modes + * separated by a colon and wildcards. + * + * @param {String} namespaces + * @api public + */ + function enable(namespaces) { + createDebug.save(namespaces); + + createDebug.names = []; + createDebug.skips = []; + + let i; + const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/); + const len = split.length; + + for (i = 0; i < len; i++) { + if (!split[i]) { + // ignore empty strings + continue; + } + + namespaces = split[i].replace(/\*/g, '.*?'); + + if (namespaces[0] === '-') { + createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$')); + } else { + createDebug.names.push(new RegExp('^' + namespaces + '$')); + } + } + + for (i = 0; i < createDebug.instances.length; i++) { + const instance = createDebug.instances[i]; + instance.enabled = createDebug.enabled(instance.namespace); + } + } + + /** + * Disable debug output. + * + * @return {String} namespaces + * @api public + */ + function disable() { + const namespaces = [ + ...createDebug.names.map(toNamespace), + ...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace) + ].join(','); + createDebug.enable(''); + return namespaces; + } + + /** + * Returns true if the given mode name is enabled, false otherwise. + * + * @param {String} name + * @return {Boolean} + * @api public + */ + function enabled(name) { + if (name[name.length - 1] === '*') { + return true; + } + + let i; + let len; + + for (i = 0, len = createDebug.skips.length; i < len; i++) { + if (createDebug.skips[i].test(name)) { + return false; + } + } + + for (i = 0, len = createDebug.names.length; i < len; i++) { + if (createDebug.names[i].test(name)) { + return true; + } + } + + return false; + } + + /** + * Convert regexp to namespace + * + * @param {RegExp} regxep + * @return {String} namespace + * @api private + */ + function toNamespace(regexp) { + return regexp.toString() + .substring(2, regexp.toString().length - 2) + .replace(/\.\*\?$/, '*'); + } + + /** + * Coerce `val`. + * + * @param {Mixed} val + * @return {Mixed} + * @api private + */ + function coerce(val) { + if (val instanceof Error) { + return val.stack || val.message; + } + return val; + } + + createDebug.enable(createDebug.load()); + + return createDebug; +} + +var common$1 = setup; + +var browser = createCommonjsModule(function (module, exports) { +/* eslint-env browser */ + +/** + * This is the web browser implementation of `debug()`. + */ + +exports.log = log; +exports.formatArgs = formatArgs; +exports.save = save; +exports.load = load; +exports.useColors = useColors; +exports.storage = localstorage(); + +/** + * Colors. + */ + +exports.colors = [ + '#0000CC', + '#0000FF', + '#0033CC', + '#0033FF', + '#0066CC', + '#0066FF', + '#0099CC', + '#0099FF', + '#00CC00', + '#00CC33', + '#00CC66', + '#00CC99', + '#00CCCC', + '#00CCFF', + '#3300CC', + '#3300FF', + '#3333CC', + '#3333FF', + '#3366CC', + '#3366FF', + '#3399CC', + '#3399FF', + '#33CC00', + '#33CC33', + '#33CC66', + '#33CC99', + '#33CCCC', + '#33CCFF', + '#6600CC', + '#6600FF', + '#6633CC', + '#6633FF', + '#66CC00', + '#66CC33', + '#9900CC', + '#9900FF', + '#9933CC', + '#9933FF', + '#99CC00', + '#99CC33', + '#CC0000', + '#CC0033', + '#CC0066', + '#CC0099', + '#CC00CC', + '#CC00FF', + '#CC3300', + '#CC3333', + '#CC3366', + '#CC3399', + '#CC33CC', + '#CC33FF', + '#CC6600', + '#CC6633', + '#CC9900', + '#CC9933', + '#CCCC00', + '#CCCC33', + '#FF0000', + '#FF0033', + '#FF0066', + '#FF0099', + '#FF00CC', + '#FF00FF', + '#FF3300', + '#FF3333', + '#FF3366', + '#FF3399', + '#FF33CC', + '#FF33FF', + '#FF6600', + '#FF6633', + '#FF9900', + '#FF9933', + '#FFCC00', + '#FFCC33' +]; + +/** + * Currently only WebKit-based Web Inspectors, Firefox >= v31, + * and the Firebug extension (any Firefox version) are known + * to support "%c" CSS customizations. + * + * TODO: add a `localStorage` variable to explicitly enable/disable colors + */ + +// eslint-disable-next-line complexity +function useColors() { + // NB: In an Electron preload script, document will be defined but not fully + // initialized. Since we know we're in Chrome, we'll just detect this case + // explicitly + if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) { + return true; + } + + // Internet Explorer and Edge do not support colors. + if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) { + return false; + } + + // Is webkit? http://stackoverflow.com/a/16459606/376773 + // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632 + return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) || + // Is firebug? http://stackoverflow.com/a/398120/376773 + (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) || + // Is firefox >= v31? + // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages + (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) || + // Double check webkit in userAgent just in case we are in a worker + (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/)); +} + +/** + * Colorize log arguments if enabled. + * + * @api public + */ + +function formatArgs(args) { + args[0] = (this.useColors ? '%c' : '') + + this.namespace + + (this.useColors ? ' %c' : ' ') + + args[0] + + (this.useColors ? '%c ' : ' ') + + '+' + module.exports.humanize(this.diff); + + if (!this.useColors) { + return; + } + + const c = 'color: ' + this.color; + args.splice(1, 0, c, 'color: inherit'); + + // The final "%c" is somewhat tricky, because there could be other + // arguments passed either before or after the %c, so we need to + // figure out the correct index to insert the CSS into + let index = 0; + let lastC = 0; + args[0].replace(/%[a-zA-Z%]/g, match => { + if (match === '%%') { + return; + } + index++; + if (match === '%c') { + // We only are interested in the *last* %c + // (the user may have provided their own) + lastC = index; + } + }); + + args.splice(lastC, 0, c); +} + +/** + * Invokes `console.log()` when available. + * No-op when `console.log` is not a "function". + * + * @api public + */ +function log(...args) { + // This hackery is required for IE8/9, where + // the `console.log` function doesn't have 'apply' + return typeof console === 'object' && + console.log && + console.log(...args); +} + +/** + * Save `namespaces`. + * + * @param {String} namespaces + * @api private + */ +function save(namespaces) { + try { + if (namespaces) { + exports.storage.setItem('debug', namespaces); + } else { + exports.storage.removeItem('debug'); + } + } catch (error) { + // Swallow + // XXX (@Qix-) should we be logging these? + } +} + +/** + * Load `namespaces`. + * + * @return {String} returns the previously persisted debug modes + * @api private + */ +function load() { + let r; + try { + r = exports.storage.getItem('debug'); + } catch (error) { + // Swallow + // XXX (@Qix-) should we be logging these? + } + + // If debug isn't set in LS, and we're in Electron, try to load $DEBUG + if (!r && typeof process !== 'undefined' && 'env' in process) { + r = process.env.DEBUG; + } + + return r; +} + +/** + * Localstorage attempts to return the localstorage. + * + * This is necessary because safari throws + * when a user disables cookies/localstorage + * and you attempt to access it. + * + * @return {LocalStorage} + * @api private + */ + +function localstorage() { + try { + // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context + // The Browser also has localStorage in the global context. + return localStorage; + } catch (error) { + // Swallow + // XXX (@Qix-) should we be logging these? + } +} + +module.exports = common$1(exports); + +const {formatters} = module.exports; + +/** + * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default. + */ + +formatters.j = function (v) { + try { + return JSON.stringify(v); + } catch (error) { + return '[UnexpectedJSONParseError]: ' + error.message; + } +}; +}); +var browser_1 = browser.log; +var browser_2 = browser.formatArgs; +var browser_3 = browser.save; +var browser_4 = browser.load; +var browser_5 = browser.useColors; +var browser_6 = browser.storage; +var browser_7 = browser.colors; + +var hasFlag = (flag, argv) => { + argv = argv || process.argv; + const prefix = flag.startsWith('-') ? '' : (flag.length === 1 ? '-' : '--'); + const pos = argv.indexOf(prefix + flag); + const terminatorPos = argv.indexOf('--'); + return pos !== -1 && (terminatorPos === -1 ? true : pos < terminatorPos); +}; + +const env = process.env; + +let forceColor; +if (hasFlag('no-color') || + hasFlag('no-colors') || + hasFlag('color=false')) { + forceColor = false; +} else if (hasFlag('color') || + hasFlag('colors') || + hasFlag('color=true') || + hasFlag('color=always')) { + forceColor = true; +} +if ('FORCE_COLOR' in env) { + forceColor = env.FORCE_COLOR.length === 0 || parseInt(env.FORCE_COLOR, 10) !== 0; +} + +function translateLevel(level) { + if (level === 0) { + return false; + } + + return { + level, + hasBasic: true, + has256: level >= 2, + has16m: level >= 3 + }; +} + +function supportsColor(stream) { + if (forceColor === false) { + return 0; + } + + if (hasFlag('color=16m') || + hasFlag('color=full') || + hasFlag('color=truecolor')) { + return 3; + } + + if (hasFlag('color=256')) { + return 2; + } + + if (stream && !stream.isTTY && forceColor !== true) { + return 0; + } + + const min = forceColor ? 1 : 0; + + if (process.platform === 'win32') { + // Node.js 7.5.0 is the first version of Node.js to include a patch to + // libuv that enables 256 color output on Windows. Anything earlier and it + // won't work. However, here we target Node.js 8 at minimum as it is an LTS + // release, and Node.js 7 is not. Windows 10 build 10586 is the first Windows + // release that supports 256 colors. Windows 10 build 14931 is the first release + // that supports 16m/TrueColor. + const osRelease = os.release().split('.'); + if ( + Number(process.versions.node.split('.')[0]) >= 8 && + Number(osRelease[0]) >= 10 && + Number(osRelease[2]) >= 10586 + ) { + return Number(osRelease[2]) >= 14931 ? 3 : 2; + } + + return 1; + } + + if ('CI' in env) { + if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI'].some(sign => sign in env) || env.CI_NAME === 'codeship') { + return 1; + } + + return min; + } + + if ('TEAMCITY_VERSION' in env) { + return /^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env.TEAMCITY_VERSION) ? 1 : 0; + } + + if (env.COLORTERM === 'truecolor') { + return 3; + } + + if ('TERM_PROGRAM' in env) { + const version = parseInt((env.TERM_PROGRAM_VERSION || '').split('.')[0], 10); + + switch (env.TERM_PROGRAM) { + case 'iTerm.app': + return version >= 3 ? 3 : 2; + case 'Apple_Terminal': + return 2; + // No default + } + } + + if (/-256(color)?$/i.test(env.TERM)) { + return 2; + } + + if (/^screen|^xterm|^vt100|^vt220|^rxvt|color|ansi|cygwin|linux/i.test(env.TERM)) { + return 1; + } + + if ('COLORTERM' in env) { + return 1; + } + + if (env.TERM === 'dumb') { + return min; + } + + return min; +} + +function getSupportLevel(stream) { + const level = supportsColor(stream); + return translateLevel(level); +} + +var supportsColor_1 = { + supportsColor: getSupportLevel, + stdout: getSupportLevel(process.stdout), + stderr: getSupportLevel(process.stderr) +}; + +var node = createCommonjsModule(function (module, exports) { +/** + * Module dependencies. + */ + + + + +/** + * This is the Node.js implementation of `debug()`. + */ + +exports.init = init; +exports.log = log; +exports.formatArgs = formatArgs; +exports.save = save; +exports.load = load; +exports.useColors = useColors; + +/** + * Colors. + */ + +exports.colors = [6, 2, 3, 4, 5, 1]; + +try { + // Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json) + // eslint-disable-next-line import/no-extraneous-dependencies + const supportsColor = supportsColor_1; + + if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) { + exports.colors = [ + 20, + 21, + 26, + 27, + 32, + 33, + 38, + 39, + 40, + 41, + 42, + 43, + 44, + 45, + 56, + 57, + 62, + 63, + 68, + 69, + 74, + 75, + 76, + 77, + 78, + 79, + 80, + 81, + 92, + 93, + 98, + 99, + 112, + 113, + 128, + 129, + 134, + 135, + 148, + 149, + 160, + 161, + 162, + 163, + 164, + 165, + 166, + 167, + 168, + 169, + 170, + 171, + 172, + 173, + 178, + 179, + 184, + 185, + 196, + 197, + 198, + 199, + 200, + 201, + 202, + 203, + 204, + 205, + 206, + 207, + 208, + 209, + 214, + 215, + 220, + 221 + ]; + } +} catch (error) { + // Swallow - we only care if `supports-color` is available; it doesn't have to be. +} + +/** + * Build up the default `inspectOpts` object from the environment variables. + * + * $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js + */ + +exports.inspectOpts = Object.keys(process.env).filter(key => { + return /^debug_/i.test(key); +}).reduce((obj, key) => { + // Camel-case + const prop = key + .substring(6) + .toLowerCase() + .replace(/_([a-z])/g, (_, k) => { + return k.toUpperCase(); + }); + + // Coerce string value into JS value + let val = process.env[key]; + if (/^(yes|on|true|enabled)$/i.test(val)) { + val = true; + } else if (/^(no|off|false|disabled)$/i.test(val)) { + val = false; + } else if (val === 'null') { + val = null; + } else { + val = Number(val); + } + + obj[prop] = val; + return obj; +}, {}); + +/** + * Is stdout a TTY? Colored output is enabled when `true`. + */ + +function useColors() { + return 'colors' in exports.inspectOpts ? + Boolean(exports.inspectOpts.colors) : + tty.isatty(process.stderr.fd); +} + +/** + * Adds ANSI color escape codes if enabled. + * + * @api public + */ + +function formatArgs(args) { + const {namespace: name, useColors} = this; + + if (useColors) { + const c = this.color; + const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c); + const prefix = ` ${colorCode};1m${name} \u001B[0m`; + + args[0] = prefix + args[0].split('\n').join('\n' + prefix); + args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m'); + } else { + args[0] = getDate() + name + ' ' + args[0]; + } +} + +function getDate() { + if (exports.inspectOpts.hideDate) { + return ''; + } + return new Date().toISOString() + ' '; +} + +/** + * Invokes `util.format()` with the specified arguments and writes to stderr. + */ + +function log(...args) { + return process.stderr.write(util$1.format(...args) + '\n'); +} + +/** + * Save `namespaces`. + * + * @param {String} namespaces + * @api private + */ +function save(namespaces) { + if (namespaces) { + process.env.DEBUG = namespaces; + } else { + // If you set a process.env field to null or undefined, it gets cast to the + // string 'null' or 'undefined'. Just delete instead. + delete process.env.DEBUG; + } +} + +/** + * Load `namespaces`. + * + * @return {String} returns the previously persisted debug modes + * @api private + */ + +function load() { + return process.env.DEBUG; +} + +/** + * Init logic for `debug` instances. + * + * Create a new `inspectOpts` object in case `useColors` is set + * differently for a particular `debug` instance. + */ + +function init(debug) { + debug.inspectOpts = {}; + + const keys = Object.keys(exports.inspectOpts); + for (let i = 0; i < keys.length; i++) { + debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]]; + } +} + +module.exports = common$1(exports); + +const {formatters} = module.exports; + +/** + * Map %o to `util.inspect()`, all on a single line. + */ + +formatters.o = function (v) { + this.inspectOpts.colors = this.useColors; + return util$1.inspect(v, this.inspectOpts) + .replace(/\s*\n\s*/g, ' '); +}; + +/** + * Map %O to `util.inspect()`, allowing multiple lines if needed. + */ + +formatters.O = function (v) { + this.inspectOpts.colors = this.useColors; + return util$1.inspect(v, this.inspectOpts); +}; +}); +var node_1 = node.init; +var node_2 = node.log; +var node_3 = node.formatArgs; +var node_4 = node.save; +var node_5 = node.load; +var node_6 = node.useColors; +var node_7 = node.colors; +var node_8 = node.inspectOpts; + +var src = createCommonjsModule(function (module) { +/** + * Detect Electron renderer / nwjs process, which is node, but we should + * treat as a browser. + */ + +if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) { + module.exports = browser; +} else { + module.exports = node; +} +}); + +const resolveFrom = (fromDirectory, moduleId, silent) => { + if (typeof fromDirectory !== 'string') { + throw new TypeError(`Expected \`fromDir\` to be of type \`string\`, got \`${typeof fromDirectory}\``); + } + + if (typeof moduleId !== 'string') { + throw new TypeError(`Expected \`moduleId\` to be of type \`string\`, got \`${typeof moduleId}\``); + } + + try { + fromDirectory = fs$1.realpathSync(fromDirectory); + } catch (error) { + if (error.code === 'ENOENT') { + fromDirectory = path$1.resolve(fromDirectory); + } else if (silent) { + return; + } else { + throw error; + } + } + + const fromFile = path$1.join(fromDirectory, 'noop.js'); + + const resolveFileName = () => module$1._resolveFilename(moduleId, { + id: fromFile, + filename: fromFile, + paths: module$1._nodeModulePaths(fromDirectory) + }); + + if (silent) { + try { + return resolveFileName(); + } catch (error) { + return; + } + } + + return resolveFileName(); +}; + +var resolveFrom_1 = (fromDirectory, moduleId) => resolveFrom(fromDirectory, moduleId); +var silent = (fromDirectory, moduleId) => resolveFrom(fromDirectory, moduleId, true); +resolveFrom_1.silent = silent; + +var ini = createCommonjsModule(function (module, exports) { +exports.parse = exports.decode = decode; + +exports.stringify = exports.encode = encode; + +exports.safe = safe; +exports.unsafe = unsafe; + +var eol = typeof process !== 'undefined' && + process.platform === 'win32' ? '\r\n' : '\n'; + +function encode (obj, opt) { + var children = []; + var out = ''; + + if (typeof opt === 'string') { + opt = { + section: opt, + whitespace: false + }; + } else { + opt = opt || {}; + opt.whitespace = opt.whitespace === true; + } + + var separator = opt.whitespace ? ' = ' : '='; + + Object.keys(obj).forEach(function (k, _, __) { + var val = obj[k]; + if (val && Array.isArray(val)) { + val.forEach(function (item) { + out += safe(k + '[]') + separator + safe(item) + '\n'; + }); + } else if (val && typeof val === 'object') { + children.push(k); + } else { + out += safe(k) + separator + safe(val) + eol; + } + }); + + if (opt.section && out.length) { + out = '[' + safe(opt.section) + ']' + eol + out; + } + + children.forEach(function (k, _, __) { + var nk = dotSplit(k).join('\\.'); + var section = (opt.section ? opt.section + '.' : '') + nk; + var child = encode(obj[k], { + section: section, + whitespace: opt.whitespace + }); + if (out.length && child.length) { + out += eol; + } + out += child; + }); + + return out +} + +function dotSplit (str) { + return str.replace(/\1/g, '\u0002LITERAL\\1LITERAL\u0002') + .replace(/\\\./g, '\u0001') + .split(/\./).map(function (part) { + return part.replace(/\1/g, '\\.') + .replace(/\2LITERAL\\1LITERAL\2/g, '\u0001') + }) +} + +function decode (str) { + var out = {}; + var p = out; + var section = null; + // section |key = value + var re = /^\[([^\]]*)\]$|^([^=]+)(=(.*))?$/i; + var lines = str.split(/[\r\n]+/g); + + lines.forEach(function (line, _, __) { + if (!line || line.match(/^\s*[;#]/)) return + var match = line.match(re); + if (!match) return + if (match[1] !== undefined) { + section = unsafe(match[1]); + p = out[section] = out[section] || {}; + return + } + var key = unsafe(match[2]); + var value = match[3] ? unsafe(match[4]) : true; + switch (value) { + case 'true': + case 'false': + case 'null': value = JSON.parse(value); + } + + // Convert keys with '[]' suffix to an array + if (key.length > 2 && key.slice(-2) === '[]') { + key = key.substring(0, key.length - 2); + if (!p[key]) { + p[key] = []; + } else if (!Array.isArray(p[key])) { + p[key] = [p[key]]; + } + } + + // safeguard against resetting a previously defined + // array by accidentally forgetting the brackets + if (Array.isArray(p[key])) { + p[key].push(value); + } else { + p[key] = value; + } + }); + + // {a:{y:1},"a.b":{x:2}} --> {a:{y:1,b:{x:2}}} + // use a filter to return the keys that have to be deleted. + Object.keys(out).filter(function (k, _, __) { + if (!out[k] || + typeof out[k] !== 'object' || + Array.isArray(out[k])) { + return false + } + // see if the parent section is also an object. + // if so, add it to that, and mark this one for deletion + var parts = dotSplit(k); + var p = out; + var l = parts.pop(); + var nl = l.replace(/\\\./g, '.'); + parts.forEach(function (part, _, __) { + if (!p[part] || typeof p[part] !== 'object') p[part] = {}; + p = p[part]; + }); + if (p === out && nl === l) { + return false + } + p[nl] = out[k]; + return true + }).forEach(function (del, _, __) { + delete out[del]; + }); + + return out +} + +function isQuoted (val) { + return (val.charAt(0) === '"' && val.slice(-1) === '"') || + (val.charAt(0) === "'" && val.slice(-1) === "'") +} + +function safe (val) { + return (typeof val !== 'string' || + val.match(/[=\r\n]/) || + val.match(/^\[/) || + (val.length > 1 && + isQuoted(val)) || + val !== val.trim()) + ? JSON.stringify(val) + : val.replace(/;/g, '\\;').replace(/#/g, '\\#') +} + +function unsafe (val, doUnesc) { + val = (val || '').trim(); + if (isQuoted(val)) { + // remove the single quotes before calling JSON.parse + if (val.charAt(0) === "'") { + val = val.substr(1, val.length - 2); + } + try { val = JSON.parse(val); } catch (_) {} + } else { + // walk the val to find the first not-escaped ; character + var esc = false; + var unesc = ''; + for (var i = 0, l = val.length; i < l; i++) { + var c = val.charAt(i); + if (esc) { + if ('\\;#'.indexOf(c) !== -1) { + unesc += c; + } else { + unesc += '\\' + c; + } + esc = false; + } else if (';#'.indexOf(c) !== -1) { + break + } else if (c === '\\') { + esc = true; + } else { + unesc += c; + } + } + if (esc) { + unesc += '\\'; + } + return unesc.trim() + } + return val +} +}); +var ini_1 = ini.parse; +var ini_2 = ini.decode; +var ini_3 = ini.stringify; +var ini_4 = ini.encode; +var ini_5 = ini.safe; +var ini_6 = ini.unsafe; + +var singleComment = 1; +var multiComment = 2; + +function stripWithoutWhitespace() { + return ''; +} + +function stripWithWhitespace(str, start, end) { + return str.slice(start, end).replace(/\S/g, ' '); +} + +var stripJsonComments = function (str, opts) { + opts = opts || {}; + + var currentChar; + var nextChar; + var insideString = false; + var insideComment = false; + var offset = 0; + var ret = ''; + var strip = opts.whitespace === false ? stripWithoutWhitespace : stripWithWhitespace; + + for (var i = 0; i < str.length; i++) { + currentChar = str[i]; + nextChar = str[i + 1]; + + if (!insideComment && currentChar === '"') { + var escaped = str[i - 1] === '\\' && str[i - 2] !== '\\'; + if (!escaped) { + insideString = !insideString; + } + } + + if (insideString) { + continue; + } + + if (!insideComment && currentChar + nextChar === '//') { + ret += str.slice(offset, i); + offset = i; + insideComment = singleComment; + i++; + } else if (insideComment === singleComment && currentChar + nextChar === '\r\n') { + i++; + insideComment = false; + ret += strip(str, offset, i); + offset = i; + continue; + } else if (insideComment === singleComment && currentChar === '\n') { + insideComment = false; + ret += strip(str, offset, i); + offset = i; + } else if (!insideComment && currentChar + nextChar === '/*') { + ret += str.slice(offset, i); + offset = i; + insideComment = multiComment; + i++; + continue; + } else if (insideComment === multiComment && currentChar + nextChar === '*/') { + i++; + insideComment = false; + ret += strip(str, offset, i + 1); + offset = i + 1; + continue; + } + } + + return ret + (insideComment ? strip(str.substr(offset)) : str.substr(offset)); +}; + +var utils = createCommonjsModule(function (module, exports) { + + + + + +var parse = exports.parse = function (content) { + + //if it ends in .json or starts with { then it must be json. + //must be done this way, because ini accepts everything. + //can't just try and parse it and let it throw if it's not ini. + //everything is ini. even json with a syntax error. + + if(/^\s*{/.test(content)) + return JSON.parse(stripJsonComments(content)) + return ini.parse(content) + +}; + +var file = exports.file = function () { + var args = [].slice.call(arguments).filter(function (arg) { return arg != null }); + + //path.join breaks if it's a not a string, so just skip this. + for(var i in args) + if('string' !== typeof args[i]) + return + + var file = path$1.join.apply(null, args); + try { + return fs$1.readFileSync(file,'utf-8') + } catch (err) { + return + } +}; + +var json = exports.json = function () { + var content = file.apply(null, arguments); + return content ? parse(content) : null +}; + +var env = exports.env = function (prefix, env) { + env = env || process.env; + var obj = {}; + var l = prefix.length; + for(var k in env) { + if(k.toLowerCase().indexOf(prefix.toLowerCase()) === 0) { + + var keypath = k.substring(l).split('__'); + + // Trim empty strings from keypath array + var _emptyStringIndex; + while ((_emptyStringIndex=keypath.indexOf('')) > -1) { + keypath.splice(_emptyStringIndex, 1); + } + + var cursor = obj; + keypath.forEach(function _buildSubObj(_subkey,i){ + + // (check for _subkey first so we ignore empty strings) + // (check for cursor to avoid assignment to primitive objects) + if (!_subkey || typeof cursor !== 'object') + return + + // If this is the last key, just stuff the value in there + // Assigns actual value from env variable to final key + // (unless it's just an empty string- in that case use the last valid key) + if (i === keypath.length-1) + cursor[_subkey] = env[k]; + + + // Build sub-object if nothing already exists at the keypath + if (cursor[_subkey] === undefined) + cursor[_subkey] = {}; + + // Increment cursor used to track the object at the current depth + cursor = cursor[_subkey]; + + }); + + } + + } + + return obj +}; + +var find = exports.find = function () { + var rel = path$1.join.apply(null, [].slice.call(arguments)); + + function find(start, rel) { + var file = path$1.join(start, rel); + try { + fs$1.statSync(file); + return file + } catch (err) { + if(path$1.dirname(start) !== start) // root + return find(path$1.dirname(start), rel) + } + } + return find(process.cwd(), rel) +}; +}); +var utils_1 = utils.parse; +var utils_2 = utils.file; +var utils_3 = utils.json; +var utils_4 = utils.env; +var utils_5 = utils.find; + +var deepExtend_1 = createCommonjsModule(function (module) { + +function isSpecificValue(val) { + return ( + val instanceof Buffer + || val instanceof Date + || val instanceof RegExp + ) ? true : false; +} + +function cloneSpecificValue(val) { + if (val instanceof Buffer) { + var x = Buffer.alloc + ? Buffer.alloc(val.length) + : new Buffer(val.length); + val.copy(x); + return x; + } else if (val instanceof Date) { + return new Date(val.getTime()); + } else if (val instanceof RegExp) { + return new RegExp(val); + } else { + throw new Error('Unexpected situation'); + } +} + +/** + * Recursive cloning array. + */ +function deepCloneArray(arr) { + var clone = []; + arr.forEach(function (item, index) { + if (typeof item === 'object' && item !== null) { + if (Array.isArray(item)) { + clone[index] = deepCloneArray(item); + } else if (isSpecificValue(item)) { + clone[index] = cloneSpecificValue(item); + } else { + clone[index] = deepExtend({}, item); + } + } else { + clone[index] = item; + } + }); + return clone; +} + +function safeGetProperty(object, property) { + return property === '__proto__' ? undefined : object[property]; +} + +/** + * Extening object that entered in first argument. + * + * Returns extended object or false if have no target object or incorrect type. + * + * If you wish to clone source object (without modify it), just use empty new + * object as first argument, like this: + * deepExtend({}, yourObj_1, [yourObj_N]); + */ +var deepExtend = module.exports = function (/*obj_1, [obj_2], [obj_N]*/) { + if (arguments.length < 1 || typeof arguments[0] !== 'object') { + return false; + } + + if (arguments.length < 2) { + return arguments[0]; + } + + var target = arguments[0]; + + // convert arguments to array and cut off target object + var args = Array.prototype.slice.call(arguments, 1); + + var val, src; + + args.forEach(function (obj) { + // skip argument if isn't an object, is null, or is an array + if (typeof obj !== 'object' || obj === null || Array.isArray(obj)) { + return; + } + + Object.keys(obj).forEach(function (key) { + src = safeGetProperty(target, key); // source value + val = safeGetProperty(obj, key); // new value + + // recursion prevention + if (val === target) { + return; + + /** + * if new value isn't object then just overwrite by new value + * instead of extending. + */ + } else if (typeof val !== 'object' || val === null) { + target[key] = val; + return; + + // just clone arrays (and recursive clone objects inside) + } else if (Array.isArray(val)) { + target[key] = deepCloneArray(val); + return; + + // custom cloning and overwrite for specific objects + } else if (isSpecificValue(val)) { + target[key] = cloneSpecificValue(val); + return; + + // overwrite by new value if source isn't object or array + } else if (typeof src !== 'object' || src === null || Array.isArray(src)) { + target[key] = deepExtend({}, val); + return; + + // source value and new value is objects both, extending... + } else { + target[key] = deepExtend(src, val); + return; + } + }); + }); + + return target; +}; +}); + +var minimist = function (args, opts) { + if (!opts) opts = {}; + + var flags = { bools : {}, strings : {}, unknownFn: null }; + + if (typeof opts['unknown'] === 'function') { + flags.unknownFn = opts['unknown']; + } + + if (typeof opts['boolean'] === 'boolean' && opts['boolean']) { + flags.allBools = true; + } else { + [].concat(opts['boolean']).filter(Boolean).forEach(function (key) { + flags.bools[key] = true; + }); + } + + var aliases = {}; + Object.keys(opts.alias || {}).forEach(function (key) { + aliases[key] = [].concat(opts.alias[key]); + aliases[key].forEach(function (x) { + aliases[x] = [key].concat(aliases[key].filter(function (y) { + return x !== y; + })); + }); + }); + + [].concat(opts.string).filter(Boolean).forEach(function (key) { + flags.strings[key] = true; + if (aliases[key]) { + flags.strings[aliases[key]] = true; + } + }); + + var defaults = opts['default'] || {}; + + var argv = { _ : [] }; + Object.keys(flags.bools).forEach(function (key) { + setArg(key, defaults[key] === undefined ? false : defaults[key]); + }); + + var notFlags = []; + + if (args.indexOf('--') !== -1) { + notFlags = args.slice(args.indexOf('--')+1); + args = args.slice(0, args.indexOf('--')); + } + + function argDefined(key, arg) { + return (flags.allBools && /^--[^=]+$/.test(arg)) || + flags.strings[key] || flags.bools[key] || aliases[key]; + } + + function setArg (key, val, arg) { + if (arg && flags.unknownFn && !argDefined(key, arg)) { + if (flags.unknownFn(arg) === false) return; + } + + var value = !flags.strings[key] && isNumber(val) + ? Number(val) : val + ; + setKey(argv, key.split('.'), value); + + (aliases[key] || []).forEach(function (x) { + setKey(argv, x.split('.'), value); + }); + } + + function setKey (obj, keys, value) { + var o = obj; + keys.slice(0,-1).forEach(function (key) { + if (o[key] === undefined) o[key] = {}; + o = o[key]; + }); + + var key = keys[keys.length - 1]; + if (o[key] === undefined || flags.bools[key] || typeof o[key] === 'boolean') { + o[key] = value; + } + else if (Array.isArray(o[key])) { + o[key].push(value); + } + else { + o[key] = [ o[key], value ]; + } + } + + function aliasIsBoolean(key) { + return aliases[key].some(function (x) { + return flags.bools[x]; + }); + } + + for (var i = 0; i < args.length; i++) { + var arg = args[i]; + + if (/^--.+=/.test(arg)) { + // Using [\s\S] instead of . because js doesn't support the + // 'dotall' regex modifier. See: + // http://stackoverflow.com/a/1068308/13216 + var m = arg.match(/^--([^=]+)=([\s\S]*)$/); + var key = m[1]; + var value = m[2]; + if (flags.bools[key]) { + value = value !== 'false'; + } + setArg(key, value, arg); + } + else if (/^--no-.+/.test(arg)) { + var key = arg.match(/^--no-(.+)/)[1]; + setArg(key, false, arg); + } + else if (/^--.+/.test(arg)) { + var key = arg.match(/^--(.+)/)[1]; + var next = args[i + 1]; + if (next !== undefined && !/^-/.test(next) + && !flags.bools[key] + && !flags.allBools + && (aliases[key] ? !aliasIsBoolean(key) : true)) { + setArg(key, next, arg); + i++; + } + else if (/^(true|false)$/.test(next)) { + setArg(key, next === 'true', arg); + i++; + } + else { + setArg(key, flags.strings[key] ? '' : true, arg); + } + } + else if (/^-[^-]+/.test(arg)) { + var letters = arg.slice(1,-1).split(''); + + var broken = false; + for (var j = 0; j < letters.length; j++) { + var next = arg.slice(j+2); + + if (next === '-') { + setArg(letters[j], next, arg); + continue; + } + + if (/[A-Za-z]/.test(letters[j]) && /=/.test(next)) { + setArg(letters[j], next.split('=')[1], arg); + broken = true; + break; + } + + if (/[A-Za-z]/.test(letters[j]) + && /-?\d+(\.\d*)?(e-?\d+)?$/.test(next)) { + setArg(letters[j], next, arg); + broken = true; + break; + } + + if (letters[j+1] && letters[j+1].match(/\W/)) { + setArg(letters[j], arg.slice(j+2), arg); + broken = true; + break; + } + else { + setArg(letters[j], flags.strings[letters[j]] ? '' : true, arg); + } + } + + var key = arg.slice(-1)[0]; + if (!broken && key !== '-') { + if (args[i+1] && !/^(-|--)[^-]/.test(args[i+1]) + && !flags.bools[key] + && (aliases[key] ? !aliasIsBoolean(key) : true)) { + setArg(key, args[i+1], arg); + i++; + } + else if (args[i+1] && /true|false/.test(args[i+1])) { + setArg(key, args[i+1] === 'true', arg); + i++; + } + else { + setArg(key, flags.strings[key] ? '' : true, arg); + } + } + } + else { + if (!flags.unknownFn || flags.unknownFn(arg) !== false) { + argv._.push( + flags.strings['_'] || !isNumber(arg) ? arg : Number(arg) + ); + } + if (opts.stopEarly) { + argv._.push.apply(argv._, args.slice(i + 1)); + break; + } + } + } + + Object.keys(defaults).forEach(function (key) { + if (!hasKey(argv, key.split('.'))) { + setKey(argv, key.split('.'), defaults[key]); + + (aliases[key] || []).forEach(function (x) { + setKey(argv, x.split('.'), defaults[key]); + }); + } + }); + + if (opts['--']) { + argv['--'] = new Array(); + notFlags.forEach(function(key) { + argv['--'].push(key); + }); + } + else { + notFlags.forEach(function(key) { + argv._.push(key); + }); + } + + return argv; +}; + +function hasKey (obj, keys) { + var o = obj; + keys.slice(0,-1).forEach(function (key) { + o = (o[key] || {}); + }); + + var key = keys[keys.length - 1]; + return key in o; +} + +function isNumber (x) { + if (typeof x === 'number') return true; + if (/^0x[0-9a-f]+$/i.test(x)) return true; + return /^[-+]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/.test(x); +} + +var join = path$1.join; + +var etc = '/etc'; +var win = process.platform === "win32"; +var home = win + ? process.env.USERPROFILE + : process.env.HOME; + +var rc = function (name, defaults, argv, parse) { + if('string' !== typeof name) + throw new Error('rc(name): name *must* be string') + if(!argv) + argv = minimist(process.argv.slice(2)); + defaults = ( + 'string' === typeof defaults + ? utils.json(defaults) : defaults + ) || {}; + + parse = parse || utils.parse; + + var env = utils.env(name + '_'); + + var configs = [defaults]; + var configFiles = []; + function addConfigFile (file) { + if (configFiles.indexOf(file) >= 0) return + var fileConfig = utils.file(file); + if (fileConfig) { + configs.push(parse(fileConfig)); + configFiles.push(file); + } + } + + // which files do we look at? + if (!win) + [join(etc, name, 'config'), + join(etc, name + 'rc')].forEach(addConfigFile); + if (home) + [join(home, '.config', name, 'config'), + join(home, '.config', name), + join(home, '.' + name, 'config'), + join(home, '.' + name + 'rc')].forEach(addConfigFile); + addConfigFile(utils.find('.'+name+'rc')); + if (env.config) addConfigFile(env.config); + if (argv.config) addConfigFile(argv.config); + + return deepExtend_1.apply(null, configs.concat([ + env, + argv, + configFiles.length ? {configs: configFiles, config: configFiles[configFiles.length - 1]} : undefined, + ])) +}; + +function homedir() { + var env = process.env; + var home = env.HOME; + var user = env.LOGNAME || env.USER || env.LNAME || env.USERNAME; + + if (process.platform === 'win32') { + return env.USERPROFILE || env.HOMEDRIVE + env.HOMEPATH || home || null; + } + + if (process.platform === 'darwin') { + return home || (user ? '/Users/' + user : null); + } + + if (process.platform === 'linux') { + return home || (process.getuid() === 0 ? '/root' : (user ? '/home/' + user : null)); + } + + return home || null; +} + +var osHomedir = typeof os.homedir === 'function' ? os.homedir : homedir; + +var home$1 = osHomedir(); + +var untildify = function (str) { + if (typeof str !== 'string') { + throw new TypeError('Expected a string'); + } + + return home$1 ? str.replace(/^~($|\/|\\)/, home$1 + '$1') : str; +}; + +var shellsubstitute = function (s, vars) { + return s.replace(/(\\*)(\$([_a-z0-9]+)|\${([_a-z0-9]+)})/ig, function (_, escape, varExpression, variable, bracedVariable) { + if (!(escape.length % 2)) { + return escape.substring(Math.ceil(escape.length / 2)) + (vars[variable || bracedVariable] || ''); + } else { + return escape.substring(1) + varExpression; + } + }); +}; + +var npmPrefix = function () { + var rcPrefix = rc('npm', null, []).prefix; + + if (rcPrefix) { + return untildify(shellsubstitute(rcPrefix, process.env)); + } + else if (process.platform == 'win32') { + return path$1.dirname(process.execPath); + } + else { + return path$1.resolve(process.execPath, '../..'); + } +}; + +var resolve = resolveFrom_1.silent; +var npmPrefix$1 = npmPrefix(); + +var loadPlugin_1 = loadPlugin; +loadPlugin.resolve = resolvePlugin; + +var electron = process.versions.electron !== undefined; +var argv = process.argv[1] || /* istanbul ignore next */ ''; +var nvm = process.env.NVM_BIN; +var globally = electron || argv.indexOf(npmPrefix$1) === 0; +var windows = process.platform === 'win32'; +var prefix = windows ? /* istanbul ignore next */ '' : 'lib'; +var globals = path$1.resolve(npmPrefix$1, prefix, 'node_modules'); + +// If we’re in Electron, we’re running in a modified Node that cannot really +// install global node modules. To find the actual modules, the user has to +// either set `prefix` in their `.npmrc` (which is picked up by `npm-prefix`). +// Most people don’t do that, and some use NVM instead to manage different +// versions of Node. Luckily NVM leaks some environment variables that we can +// pick up on to try and detect the actual modules. +/* istanbul ignore next */ +if (electron && nvm && !fs$1.existsSync(globals)) { + globals = path$1.resolve(nvm, '..', prefix, 'node_modules'); +} + +// Load the plug-in found using `resolvePlugin`. +function loadPlugin(name, options) { + return commonjsRequire(resolvePlugin(name, options) || name) +} + +// Find a plugin. +// +// See also: +// +// +// +// Uses the standard node module loading strategy to find $name in each given +// `cwd` (and optionally the global `node_modules` directory). +// +// If a prefix is given and $name is not a path, `$prefix-$name` is also +// searched (preferring these over non-prefixed modules). +function resolvePlugin(name, options) { + var settings = options || {}; + var prefix = settings.prefix; + var cwd = settings.cwd; + var global = settings.global; + var filePath; + var sources; + var length; + var index; + var plugin; + var slash; + var scope = ''; + + if (global === null || global === undefined) { + global = globally; + } + + if (cwd && typeof cwd === 'object') { + sources = cwd.concat(); + } else { + sources = [cwd || process.cwd()]; + } + + // Non-path. + if (name.charAt(0) !== '.') { + if (global) { + sources.push(globals); + } + + // Unprefix module. + if (prefix) { + prefix = prefix.charAt(prefix.length - 1) === '-' ? prefix : prefix + '-'; + + // Scope? + if (name.charAt(0) === '@') { + slash = name.indexOf('/'); + + // Let’s keep the algorithm simple. No need to care if this is a + // “valid” scope (I think?). But we do check for the slash. + if (slash !== -1) { + scope = name.slice(0, slash + 1); + name = name.slice(slash + 1); + } + } + + if (name.slice(0, prefix.length) !== prefix) { + plugin = scope + prefix + name; + } + + name = scope + name; + } + } + + length = sources.length; + index = -1; + + while (++index < length) { + cwd = sources[index]; + filePath = (plugin && resolve(cwd, plugin)) || resolve(cwd, name); + + if (filePath) { + return filePath + } + } + + return null +} + +var format = createCommonjsModule(function (module) { +(function() { + + //// Export the API + var namespace; + + // CommonJS / Node module + { + namespace = module.exports = format; + } + + namespace.format = format; + namespace.vsprintf = vsprintf; + + if (typeof console !== 'undefined' && typeof console.log === 'function') { + namespace.printf = printf; + } + + function printf(/* ... */) { + console.log(format.apply(null, arguments)); + } + + function vsprintf(fmt, replacements) { + return format.apply(null, [fmt].concat(replacements)); + } + + function format(fmt) { + var argIndex = 1 // skip initial format argument + , args = [].slice.call(arguments) + , i = 0 + , n = fmt.length + , result = '' + , c + , escaped = false + , arg + , tmp + , leadingZero = false + , precision + , nextArg = function() { return args[argIndex++]; } + , slurpNumber = function() { + var digits = ''; + while (/\d/.test(fmt[i])) { + digits += fmt[i++]; + c = fmt[i]; + } + return digits.length > 0 ? parseInt(digits) : null; + } + ; + for (; i < n; ++i) { + c = fmt[i]; + if (escaped) { + escaped = false; + if (c == '.') { + leadingZero = false; + c = fmt[++i]; + } + else if (c == '0' && fmt[i + 1] == '.') { + leadingZero = true; + i += 2; + c = fmt[i]; + } + else { + leadingZero = true; + } + precision = slurpNumber(); + switch (c) { + case 'b': // number in binary + result += parseInt(nextArg(), 10).toString(2); + break; + case 'c': // character + arg = nextArg(); + if (typeof arg === 'string' || arg instanceof String) + result += arg; + else + result += String.fromCharCode(parseInt(arg, 10)); + break; + case 'd': // number in decimal + result += parseInt(nextArg(), 10); + break; + case 'f': // floating point number + tmp = String(parseFloat(nextArg()).toFixed(precision || 6)); + result += leadingZero ? tmp : tmp.replace(/^0/, ''); + break; + case 'j': // JSON + result += JSON.stringify(nextArg()); + break; + case 'o': // number in octal + result += '0' + parseInt(nextArg(), 10).toString(8); + break; + case 's': // string + result += nextArg(); + break; + case 'x': // lowercase hexadecimal + result += '0x' + parseInt(nextArg(), 10).toString(16); + break; + case 'X': // uppercase hexadecimal + result += '0x' + parseInt(nextArg(), 10).toString(16).toUpperCase(); + break; + default: + result += c; + break; + } + } else if (c === '%') { + escaped = true; + } else { + result += c; + } + } + return result; + } + +}()); +}); + +var fault = create(Error); + +var fault_1 = fault; + +fault.eval = create(EvalError); +fault.range = create(RangeError); +fault.reference = create(ReferenceError); +fault.syntax = create(SyntaxError); +fault.type = create(TypeError); +fault.uri = create(URIError); + +fault.create = create; + +// Create a new `EConstructor`, with the formatted `format` as a first argument. +function create(EConstructor) { + FormattedError.displayName = EConstructor.displayName || EConstructor.name; + + return FormattedError + + function FormattedError(format$1) { + if (format$1) { + format$1 = format.apply(null, arguments); + } + + return new EConstructor(format$1) + } +} + +var immutable = extend$1; + +var hasOwnProperty = Object.prototype.hasOwnProperty; + +function extend$1() { + var target = {}; + + for (var i = 0; i < arguments.length; i++) { + var source = arguments[i]; + + for (var key in source) { + if (hasOwnProperty.call(source, key)) { + target[key] = source[key]; + } + } + } + + return target +} + +var isObject$1 = function isObject(x) { + return typeof x === "object" && x !== null; +}; + +var toString = Object.prototype.toString; + +var xIsString = isString; + +function isString(obj) { + return toString.call(obj) === "[object String]" +} + +var debug = src('unified-engine:find-up'); + + +var findUp = FindUp; + +var read = fs$1.readFile; +var resolve$1 = path$1.resolve; +var relative = path$1.relative; +var join$1 = path$1.join; +var dirname = path$1.dirname; + +FindUp.prototype.load = load$2; + +function FindUp(options) { + var self = this; + var fp = options.filePath; + + self.cache = {}; + self.cwd = options.cwd; + self.detect = options.detect; + self.names = options.names; + self.create = options.create; + + if (fp) { + self.givenFilePath = resolve$1(options.cwd, fp); + } +} + +function load$2(filePath, callback) { + var self = this; + var cache = self.cache; + var givenFilePath = self.givenFilePath; + var givenFile = self.givenFile; + var names = self.names; + var create = self.create; + var cwd = self.cwd; + var parent; + + if (givenFilePath) { + if (givenFile) { + apply(callback, givenFile); + } else { + givenFile = [callback]; + self.givenFile = givenFile; + debug('Checking given file `%s`', givenFilePath); + read(givenFilePath, loadGiven); + } + + return + } + + if (!self.detect) { + return callback() + } + + filePath = resolve$1(cwd, filePath); + parent = dirname(filePath); + + if (parent in cache) { + apply(callback, cache[parent]); + } else { + cache[parent] = [callback]; + find(parent); + } + + function loadGiven(error, buf) { + var cbs = self.givenFile; + var result; + + if (error) { + result = fault_1( + 'Cannot read given file `%s`\n%s', + relative(cwd, givenFilePath), + error.stack + ); + result.code = 'ENOENT'; + result.path = error.path; + result.syscall = error.syscall; + } else { + try { + result = create(buf, givenFilePath); + debug('Read given file `%s`', givenFilePath); + } catch (error2) { + result = fault_1( + 'Cannot parse given file `%s`\n%s', + relative(cwd, givenFilePath), + error2.stack + ); + debug(error2.message); + } + } + + givenFile = result; + self.givenFile = result; + applyAll(cbs, result); + } + + function find(directory) { + var index = -1; + var length = names.length; + + next(); + + function next() { + var parent; + + // Try to read the next file. + // We do not use `readdir` because on huge directories, that could be + // *very* slow. + if (++index < length) { + read(join$1(directory, names[index]), done); + } else { + parent = dirname(directory); + + if (directory === parent) { + debug('No files found for `%s`', filePath); + found(); + } else if (parent in cache) { + apply(found, cache[parent]); + } else { + cache[parent] = [found]; + find(parent); + } + } + } + + function done(error, buf) { + var name = names[index]; + var fp = join$1(directory, name); + var contents; + + /* istanbul ignore if - Hard to test. */ + if (error) { + if (error.code === 'ENOENT') { + return next() + } + + error = fault_1( + 'Cannot read file `%s`\n%s', + relative(cwd, fp), + error.message + ); + debug(error.message); + return found(error) + } + + try { + contents = create(buf, fp); + } catch (error2) { + return found( + fault_1('Cannot parse file `%s`\n%s', relative(cwd, fp), error2.message) + ) + } + + /* istanbul ignore else - maybe used in the future. */ + if (contents) { + debug('Read file `%s`', fp); + found(null, contents); + } else { + next(); + } + } + + function found(error, result) { + var cbs = cache[directory]; + cache[directory] = error || result; + applyAll(cbs, error || result); + } + } + + function applyAll(cbs, result) { + var index = cbs.length; + + while (index--) { + apply(cbs[index], result); + } + } + + function apply(cb, result) { + if (isObject$1(result) && typeof result[0] === 'function') { + result.push(cb); + } else if (result instanceof Error) { + cb(result); + } else { + cb(null, result); + } + } +} + +var configuration = createCommonjsModule(function (module) { + + + + + +var debug = src('unified-engine:configuration'); +var resolve = loadPlugin_1.resolve; + + + + + + +module.exports = Config; + +var own = {}.hasOwnProperty; +var extname = path$1.extname; +var basename = path$1.basename; +var dirname = path$1.dirname; +var relative = path$1.relative; + +var loaders = { + '.json': loadJSON, + '.js': loadScript, + '.yaml': loadYAML, + '.yml': loadYAML +}; + +var defaultLoader = loadJSON; + +Config.prototype.load = load; + +function Config(options) { + var rcName = options.rcName; + var packageField = options.packageField; + var names = []; + + this.cwd = options.cwd; + this.packageField = options.packageField; + this.pluginPrefix = options.pluginPrefix; + this.configTransform = options.configTransform; + this.defaultConfig = options.defaultConfig; + + if (rcName) { + names.push(rcName, rcName + '.js', rcName + '.yml', rcName + '.yaml'); + debug('Looking for `%s` configuration files', names); + } + + if (packageField) { + names.push('package.json'); + debug('Looking for `%s` fields in `package.json` files', packageField); + } + + this.given = {settings: options.settings, plugins: options.plugins}; + this.create = create.bind(this); + + this.findUp = new findUp({ + filePath: options.rcPath, + cwd: options.cwd, + detect: options.detectConfig, + names: names, + create: this.create + }); +} + +function load(filePath, callback) { + var searchPath = filePath || path$1.resolve(this.cwd, 'stdin.js'); + var self = this; + + self.findUp.load(searchPath, done); + + function done(error, res) { + if (error || res) { + return callback(error, res) + } + + callback(null, self.create()); + } +} + +function create(buf, filePath) { + var self = this; + var transform = self.configTransform; + var defaults = self.defaultConfig; + var fn = (filePath && loaders[extname(filePath)]) || defaultLoader; + var options = {prefix: self.pluginPrefix, cwd: self.cwd}; + var result = {settings: {}, plugins: []}; + var contents = buf ? fn.apply(self, arguments) : undefined; + + if (transform && contents !== undefined) { + contents = transform(contents, filePath); + } + + // Exit if we did find a `package.json`, but it does not have configuration. + if (buf && contents === undefined && basename(filePath) === 'package.json') { + return + } + + if (contents === undefined) { + if (defaults) { + merge(result, defaults, null, immutable(options, {root: self.cwd})); + } + } else { + merge(result, contents, null, immutable(options, {root: dirname(filePath)})); + } + + merge(result, self.given, null, immutable(options, {root: self.cwd})); + + return result +} + +// Basically `Module.prototype.load`, but for a buffer instead of a file path. +function loadScript(buf, filePath) { + var submodule = module$1._cache[filePath]; + + if (!submodule) { + submodule = new module$1(filePath, module); + submodule.filename = filePath; + submodule.paths = module$1._nodeModulePaths(dirname(filePath)); + submodule._compile(String(buf), filePath); + submodule.loaded = true; + module$1._cache[filePath] = submodule; + } + + return submodule.exports +} + +function loadYAML(buf, filePath) { + return jsYaml$1.safeLoad(buf, {filename: basename(filePath)}) +} + +function loadJSON(buf, filePath) { + var result = parseJson$1(buf, filePath); + + if (basename(filePath) === 'package.json') { + result = result[this.packageField]; + } + + return result +} + +function merge(target, raw, val, options) { + var root = options.root; + var cwd = options.cwd; + var prefix = options.prefix; + + if (isObject$1(raw)) { + addPreset(raw); + } else { + throw new Error('Expected preset, not `' + raw + '`') + } + + return target + + function addPreset(result) { + var plugins = result.plugins; + + if (plugins === null || plugins === undefined) ; else if (isObject$1(plugins)) { + if ('length' in plugins) { + addEach(plugins); + } else { + addIn(plugins); + } + } else { + throw new Error( + 'Expected a list or object of plugins, not `' + plugins + '`' + ) + } + + target.settings = immutable(target.settings, result.settings); + } + + function addEach(result) { + var length = result.length; + var index = -1; + var value; + + while (++index < length) { + value = result[index]; + + if (isObject$1(value) && 'length' in value) { + use.apply(null, value); + } else { + use(value); + } + } + } + + function addIn(result) { + var key; + + for (key in result) { + use(key, result[key]); + } + } + + function use(usable, value) { + if (xIsString(usable)) { + addModule(usable, value); + } else if (typeof usable === 'function') { + addPlugin(usable, value); + } else { + merge(target, usable, value, options); + } + } + + function addModule(id, value) { + var fp = resolve(id, {cwd: root, prefix: prefix}); + var res; + + if (fp) { + try { + res = commonjsRequire(fp); + } catch (error) { + throw fault_1( + 'Cannot parse script `%s`\n%s', + relative(root, fp), + error.stack + ) + } + + try { + if (typeof res === 'function') { + addPlugin(res, value); + } else { + merge(target, res, value, immutable(options, {root: dirname(fp)})); + } + } catch (error) { + throw fault_1( + 'Error: Expected preset or plugin, not %s, at `%s`', + res, + relative(root, fp) + ) + } + } else { + fp = relative(cwd, path$1.resolve(root, id)); + addPlugin( + failingModule(fp, new Error('Could not find module `' + id + '`')), + value + ); + } + } + + function addPlugin(result, value) { + var entry = find(target.plugins, result); + + if (entry) { + reconfigure(entry, value); + } else { + target.plugins.push([result, value]); + } + } +} + +function reconfigure(entry, value) { + if (value !== false && entry[1] !== false && isObject$1(value)) { + value = immutable(entry[1], value); + } + + entry[1] = value; +} + +function find(entries, plugin) { + var length = entries.length; + var index = -1; + var entry; + + while (++index < length) { + entry = entries[index]; + + if (entry[0] === plugin) { + return entry + } + } +} + +function failingModule(id, error) { + var cache = failingModule.cache || (failingModule.cache = {}); + var submodule = own.call(cache, id) ? cache[id] : (cache[id] = fail); + return submodule + function fail() { + throw error + } +} +}); + +var configure_1 = configure; + +function configure(context, settings) { + context.configuration = new configuration(settings); +} + +// A simple implementation of make-array +function makeArray (subject) { + return Array.isArray(subject) + ? subject + : [subject] +} + +const REGEX_TEST_BLANK_LINE = /^\s+$/; +const REGEX_REPLACE_LEADING_EXCAPED_EXCLAMATION = /^\\!/; +const REGEX_REPLACE_LEADING_EXCAPED_HASH = /^\\#/; +const REGEX_SPLITALL_CRLF = /\r?\n/g; +// /foo, +// ./foo, +// ../foo, +// . +// .. +const REGEX_TEST_INVALID_PATH = /^\.*\/|^\.+$/; + +const SLASH = '/'; +const KEY_IGNORE = typeof Symbol !== 'undefined' + ? Symbol.for('node-ignore') + /* istanbul ignore next */ + : 'node-ignore'; + +const define = (object, key, value) => + Object.defineProperty(object, key, {value}); + +const REGEX_REGEXP_RANGE = /([0-z])-([0-z])/g; + +// Sanitize the range of a regular expression +// The cases are complicated, see test cases for details +const sanitizeRange = range => range.replace( + REGEX_REGEXP_RANGE, + (match, from, to) => from.charCodeAt(0) <= to.charCodeAt(0) + ? match + // Invalid range (out of order) which is ok for gitignore rules but + // fatal for JavaScript regular expression, so eliminate it. + : '' +); + +// > If the pattern ends with a slash, +// > it is removed for the purpose of the following description, +// > but it would only find a match with a directory. +// > In other words, foo/ will match a directory foo and paths underneath it, +// > but will not match a regular file or a symbolic link foo +// > (this is consistent with the way how pathspec works in general in Git). +// '`foo/`' will not match regular file '`foo`' or symbolic link '`foo`' +// -> ignore-rules will not deal with it, because it costs extra `fs.stat` call +// you could use option `mark: true` with `glob` + +// '`foo/`' should not continue with the '`..`' +const REPLACERS = [ + + // > Trailing spaces are ignored unless they are quoted with backslash ("\") + [ + // (a\ ) -> (a ) + // (a ) -> (a) + // (a \ ) -> (a ) + /\\?\s+$/, + match => match.indexOf('\\') === 0 + ? ' ' + : '' + ], + + // replace (\ ) with ' ' + [ + /\\\s/g, + () => ' ' + ], + + // Escape metacharacters + // which is written down by users but means special for regular expressions. + + // > There are 12 characters with special meanings: + // > - the backslash \, + // > - the caret ^, + // > - the dollar sign $, + // > - the period or dot ., + // > - the vertical bar or pipe symbol |, + // > - the question mark ?, + // > - the asterisk or star *, + // > - the plus sign +, + // > - the opening parenthesis (, + // > - the closing parenthesis ), + // > - and the opening square bracket [, + // > - the opening curly brace {, + // > These special characters are often called "metacharacters". + [ + /[\\^$.|*+(){]/g, + match => `\\${match}` + ], + + [ + // > [abc] matches any character inside the brackets + // > (in this case a, b, or c); + /\[([^\]/]*)($|\])/g, + (match, p1, p2) => p2 === ']' + ? `[${sanitizeRange(p1)}]` + : `\\${match}` + ], + + [ + // > a question mark (?) matches a single character + /(?!\\)\?/g, + () => '[^/]' + ], + + // leading slash + [ + + // > A leading slash matches the beginning of the pathname. + // > For example, "/*.c" matches "cat-file.c" but not "mozilla-sha1/sha1.c". + // A leading slash matches the beginning of the pathname + /^\//, + () => '^' + ], + + // replace special metacharacter slash after the leading slash + [ + /\//g, + () => '\\/' + ], + + [ + // > A leading "**" followed by a slash means match in all directories. + // > For example, "**/foo" matches file or directory "foo" anywhere, + // > the same as pattern "foo". + // > "**/foo/bar" matches file or directory "bar" anywhere that is directly + // > under directory "foo". + // Notice that the '*'s have been replaced as '\\*' + /^\^*\\\*\\\*\\\//, + + // '**/foo' <-> 'foo' + () => '^(?:.*\\/)?' + ], + + // ending + [ + // 'js' will not match 'js.' + // 'ab' will not match 'abc' + /(?:[^*])$/, + + // WTF! + // https://git-scm.com/docs/gitignore + // changes in [2.22.1](https://git-scm.com/docs/gitignore/2.22.1) + // which re-fixes #24, #38 + + // > If there is a separator at the end of the pattern then the pattern + // > will only match directories, otherwise the pattern can match both + // > files and directories. + + // 'js*' will not match 'a.js' + // 'js/' will not match 'a.js' + // 'js' will match 'a.js' and 'a.js/' + match => /\/$/.test(match) + // foo/ will not match 'foo' + ? `${match}$` + // foo matches 'foo' and 'foo/' + : `${match}(?=$|\\/$)` + ], + + // starting + [ + // there will be no leading '/' + // (which has been replaced by section "leading slash") + // If starts with '**', adding a '^' to the regular expression also works + /^(?=[^^])/, + function startingReplacer () { + // If has a slash `/` at the beginning or middle + return !/\/(?!$)/.test(this) + // > Prior to 2.22.1 + // > If the pattern does not contain a slash /, + // > Git treats it as a shell glob pattern + // Actually, if there is only a trailing slash, + // git also treats it as a shell glob pattern + + // After 2.22.1 (compatible but clearer) + // > If there is a separator at the beginning or middle (or both) + // > of the pattern, then the pattern is relative to the directory + // > level of the particular .gitignore file itself. + // > Otherwise the pattern may also match at any level below + // > the .gitignore level. + ? '(?:^|\\/)' + + // > Otherwise, Git treats the pattern as a shell glob suitable for + // > consumption by fnmatch(3) + : '^' + } + ], + + // two globstars + [ + // Use lookahead assertions so that we could match more than one `'/**'` + /\\\/\\\*\\\*(?=\\\/|$)/g, + + // Zero, one or several directories + // should not use '*', or it will be replaced by the next replacer + + // Check if it is not the last `'/**'` + (_, index, str) => index + 6 < str.length + + // case: /**/ + // > A slash followed by two consecutive asterisks then a slash matches + // > zero or more directories. + // > For example, "a/**/b" matches "a/b", "a/x/b", "a/x/y/b" and so on. + // '/**/' + ? '(?:\\/[^\\/]+)*' + + // case: /** + // > A trailing `"/**"` matches everything inside. + + // #21: everything inside but it should not include the current folder + : '\\/.+' + ], + + // intermediate wildcards + [ + // Never replace escaped '*' + // ignore rule '\*' will match the path '*' + + // 'abc.*/' -> go + // 'abc.*' -> skip this rule + /(^|[^\\]+)\\\*(?=.+)/g, + + // '*.js' matches '.js' + // '*.js' doesn't match 'abc' + (_, p1) => `${p1}[^\\/]*` + ], + + // trailing wildcard + [ + /(\^|\\\/)?\\\*$/, + (_, p1) => { + const prefix = p1 + // '\^': + // '/*' does not match '' + // '/*' does not match everything + + // '\\\/': + // 'abc/*' does not match 'abc/' + ? `${p1}[^/]+` + + // 'a*' matches 'a' + // 'a*' matches 'aa' + : '[^/]*'; + + return `${prefix}(?=$|\\/$)` + } + ], + + [ + // unescape + /\\\\\\/g, + () => '\\' + ] +]; + +// A simple cache, because an ignore rule only has only one certain meaning +const regexCache = Object.create(null); + +// @param {pattern} +const makeRegex = (pattern, negative, ignorecase) => { + const r = regexCache[pattern]; + if (r) { + return r + } + + // const replacers = negative + // ? NEGATIVE_REPLACERS + // : POSITIVE_REPLACERS + + const source = REPLACERS.reduce( + (prev, current) => prev.replace(current[0], current[1].bind(pattern)), + pattern + ); + + return regexCache[pattern] = ignorecase + ? new RegExp(source, 'i') + : new RegExp(source) +}; + +const isString$1 = subject => typeof subject === 'string'; + +// > A blank line matches no files, so it can serve as a separator for readability. +const checkPattern = pattern => pattern + && isString$1(pattern) + && !REGEX_TEST_BLANK_LINE.test(pattern) + + // > A line starting with # serves as a comment. + && pattern.indexOf('#') !== 0; + +const splitPattern = pattern => pattern.split(REGEX_SPLITALL_CRLF); + +class IgnoreRule { + constructor ( + origin, + pattern, + negative, + regex + ) { + this.origin = origin; + this.pattern = pattern; + this.negative = negative; + this.regex = regex; + } +} + +const createRule = (pattern, ignorecase) => { + const origin = pattern; + let negative = false; + + // > An optional prefix "!" which negates the pattern; + if (pattern.indexOf('!') === 0) { + negative = true; + pattern = pattern.substr(1); + } + + pattern = pattern + // > Put a backslash ("\") in front of the first "!" for patterns that + // > begin with a literal "!", for example, `"\!important!.txt"`. + .replace(REGEX_REPLACE_LEADING_EXCAPED_EXCLAMATION, '!') + // > Put a backslash ("\") in front of the first hash for patterns that + // > begin with a hash. + .replace(REGEX_REPLACE_LEADING_EXCAPED_HASH, '#'); + + const regex = makeRegex(pattern, negative, ignorecase); + + return new IgnoreRule( + origin, + pattern, + negative, + regex + ) +}; + +const throwError$1 = (message, Ctor) => { + throw new Ctor(message) +}; + +const checkPath = (path, originalPath, doThrow) => { + if (!isString$1(path)) { + return doThrow( + `path must be a string, but got \`${originalPath}\``, + TypeError + ) + } + + // We don't know if we should ignore '', so throw + if (!path) { + return doThrow(`path must not be empty`, TypeError) + } + + // Check if it is a relative path + if (checkPath.isNotRelative(path)) { + const r = '`path.relative()`d'; + return doThrow( + `path should be a ${r} string, but got "${originalPath}"`, + RangeError + ) + } + + return true +}; + +const isNotRelative = path => REGEX_TEST_INVALID_PATH.test(path); + +checkPath.isNotRelative = isNotRelative; +checkPath.convert = p => p; + +class Ignore { + constructor ({ + ignorecase = true + } = {}) { + this._rules = []; + this._ignorecase = ignorecase; + define(this, KEY_IGNORE, true); + this._initCache(); + } + + _initCache () { + this._ignoreCache = Object.create(null); + this._testCache = Object.create(null); + } + + _addPattern (pattern) { + // #32 + if (pattern && pattern[KEY_IGNORE]) { + this._rules = this._rules.concat(pattern._rules); + this._added = true; + return + } + + if (checkPattern(pattern)) { + const rule = createRule(pattern, this._ignorecase); + this._added = true; + this._rules.push(rule); + } + } + + // @param {Array | string | Ignore} pattern + add (pattern) { + this._added = false; + + makeArray( + isString$1(pattern) + ? splitPattern(pattern) + : pattern + ).forEach(this._addPattern, this); + + // Some rules have just added to the ignore, + // making the behavior changed. + if (this._added) { + this._initCache(); + } + + return this + } + + // legacy + addPattern (pattern) { + return this.add(pattern) + } + + // | ignored : unignored + // negative | 0:0 | 0:1 | 1:0 | 1:1 + // -------- | ------- | ------- | ------- | -------- + // 0 | TEST | TEST | SKIP | X + // 1 | TESTIF | SKIP | TEST | X + + // - SKIP: always skip + // - TEST: always test + // - TESTIF: only test if checkUnignored + // - X: that never happen + + // @param {boolean} whether should check if the path is unignored, + // setting `checkUnignored` to `false` could reduce additional + // path matching. + + // @returns {TestResult} true if a file is ignored + _testOne (path, checkUnignored) { + let ignored = false; + let unignored = false; + + this._rules.forEach(rule => { + const {negative} = rule; + if ( + unignored === negative && ignored !== unignored + || negative && !ignored && !unignored && !checkUnignored + ) { + return + } + + const matched = rule.regex.test(path); + + if (matched) { + ignored = !negative; + unignored = negative; + } + }); + + return { + ignored, + unignored + } + } + + // @returns {TestResult} + _test (originalPath, cache, checkUnignored, slices) { + const path = originalPath + // Supports nullable path + && checkPath.convert(originalPath); + + checkPath(path, originalPath, throwError$1); + + return this._t(path, cache, checkUnignored, slices) + } + + _t (path, cache, checkUnignored, slices) { + if (path in cache) { + return cache[path] + } + + if (!slices) { + // path/to/a.js + // ['path', 'to', 'a.js'] + slices = path.split(SLASH); + } + + slices.pop(); + + // If the path has no parent directory, just test it + if (!slices.length) { + return cache[path] = this._testOne(path, checkUnignored) + } + + const parent = this._t( + slices.join(SLASH) + SLASH, + cache, + checkUnignored, + slices + ); + + // If the path contains a parent directory, check the parent first + return cache[path] = parent.ignored + // > It is not possible to re-include a file if a parent directory of + // > that file is excluded. + ? parent + : this._testOne(path, checkUnignored) + } + + ignores (path) { + return this._test(path, this._ignoreCache, false).ignored + } + + createFilter () { + return path => !this.ignores(path) + } + + filter (paths) { + return makeArray(paths).filter(this.createFilter()) + } + + // @returns {TestResult} + test (path) { + return this._test(path, this._testCache, true) + } +} + +const factory = options => new Ignore(options); + +const returnFalse = () => false; + +const isPathValid = path => + checkPath(path && checkPath.convert(path), path, returnFalse); + +factory.isPathValid = isPathValid; + +// Fixes typescript +factory.default = factory; + +var ignore = factory; + +// Windows +// -------------------------------------------------------------- +/* istanbul ignore if */ +if ( + // Detect `process` so that it can run in browsers. + typeof process !== 'undefined' + && ( + process.env && process.env.IGNORE_TEST_WIN32 + || process.platform === 'win32' + ) +) { + /* eslint no-control-regex: "off" */ + const makePosix = str => /^\\\\\?\\/.test(str) + || /["<>|\u0000-\u001F]+/u.test(str) + ? str + : str.replace(/\\/g, '/'); + + checkPath.convert = makePosix; + + // 'C:\\foo' <- 'C:\\foo' has been converted to 'C:/' + // 'd:\\foo' + const REGIX_IS_WINDOWS_PATH_ABSOLUTE = /^[a-z]:\//i; + checkPath.isNotRelative = path => + REGIX_IS_WINDOWS_PATH_ABSOLUTE.test(path) + || isNotRelative(path); +} + +var ignore$1 = Ignore$1; + +Ignore$1.prototype.check = check; + +var dirname$1 = path$1.dirname; +var relative$1 = path$1.relative; +var resolve$2 = path$1.resolve; + +function Ignore$1(options) { + this.cwd = options.cwd; + + this.findUp = new findUp({ + filePath: options.ignorePath, + cwd: options.cwd, + detect: options.detectIgnore, + names: options.ignoreName ? [options.ignoreName] : [], + create: create$1 + }); +} + +function check(filePath, callback) { + var self = this; + + self.findUp.load(filePath, done); + + function done(error, ignore) { + var normal; + + if (error) { + callback(error); + } else if (ignore) { + normal = relative$1(ignore.filePath, resolve$2(self.cwd, filePath)); + callback(null, normal ? ignore.ignores(normal) : false); + } else { + callback(null, false); + } + } +} + +function create$1(buf, filePath) { + var ignore$1 = ignore().add(String(buf)); + ignore$1.filePath = dirname$1(filePath); + return ignore$1 +} + +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + + +var isWindows = process.platform === 'win32'; + + +// JavaScript implementation of realpath, ported from node pre-v6 + +var DEBUG = process.env.NODE_DEBUG && /fs/.test(process.env.NODE_DEBUG); + +function rethrow() { + // Only enable in debug mode. A backtrace uses ~1000 bytes of heap space and + // is fairly slow to generate. + var callback; + if (DEBUG) { + var backtrace = new Error; + callback = debugCallback; + } else + callback = missingCallback; + + return callback; + + function debugCallback(err) { + if (err) { + backtrace.message = err.message; + err = backtrace; + missingCallback(err); + } + } + + function missingCallback(err) { + if (err) { + if (process.throwDeprecation) + throw err; // Forgot a callback but don't know where? Use NODE_DEBUG=fs + else if (!process.noDeprecation) { + var msg = 'fs: missing callback ' + (err.stack || err.message); + if (process.traceDeprecation) + console.trace(msg); + else + console.error(msg); + } + } + } +} + +function maybeCallback(cb) { + return typeof cb === 'function' ? cb : rethrow(); +} + +var normalize = path$1.normalize; + +// Regexp that finds the next partion of a (partial) path +// result is [base_with_slash, base], e.g. ['somedir/', 'somedir'] +if (isWindows) { + var nextPartRe = /(.*?)(?:[\/\\]+|$)/g; +} else { + var nextPartRe = /(.*?)(?:[\/]+|$)/g; +} + +// Regex to find the device root, including trailing slash. E.g. 'c:\\'. +if (isWindows) { + var splitRootRe = /^(?:[a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/][^\\\/]+)?[\\\/]*/; +} else { + var splitRootRe = /^[\/]*/; +} + +var realpathSync = function realpathSync(p, cache) { + // make p is absolute + p = path$1.resolve(p); + + if (cache && Object.prototype.hasOwnProperty.call(cache, p)) { + return cache[p]; + } + + var original = p, + seenLinks = {}, + knownHard = {}; + + // current character position in p + var pos; + // the partial path so far, including a trailing slash if any + var current; + // the partial path without a trailing slash (except when pointing at a root) + var base; + // the partial path scanned in the previous round, with slash + var previous; + + start(); + + function start() { + // Skip over roots + var m = splitRootRe.exec(p); + pos = m[0].length; + current = m[0]; + base = m[0]; + previous = ''; + + // On windows, check that the root exists. On unix there is no need. + if (isWindows && !knownHard[base]) { + fs$1.lstatSync(base); + knownHard[base] = true; + } + } + + // walk down the path, swapping out linked pathparts for their real + // values + // NB: p.length changes. + while (pos < p.length) { + // find the next part + nextPartRe.lastIndex = pos; + var result = nextPartRe.exec(p); + previous = current; + current += result[0]; + base = previous + result[1]; + pos = nextPartRe.lastIndex; + + // continue if not a symlink + if (knownHard[base] || (cache && cache[base] === base)) { + continue; + } + + var resolvedLink; + if (cache && Object.prototype.hasOwnProperty.call(cache, base)) { + // some known symbolic link. no need to stat again. + resolvedLink = cache[base]; + } else { + var stat = fs$1.lstatSync(base); + if (!stat.isSymbolicLink()) { + knownHard[base] = true; + if (cache) cache[base] = base; + continue; + } + + // read the link if it wasn't read before + // dev/ino always return 0 on windows, so skip the check. + var linkTarget = null; + if (!isWindows) { + var id = stat.dev.toString(32) + ':' + stat.ino.toString(32); + if (seenLinks.hasOwnProperty(id)) { + linkTarget = seenLinks[id]; + } + } + if (linkTarget === null) { + fs$1.statSync(base); + linkTarget = fs$1.readlinkSync(base); + } + resolvedLink = path$1.resolve(previous, linkTarget); + // track this, if given a cache. + if (cache) cache[base] = resolvedLink; + if (!isWindows) seenLinks[id] = linkTarget; + } + + // resolve the link, then start over + p = path$1.resolve(resolvedLink, p.slice(pos)); + start(); + } + + if (cache) cache[original] = p; + + return p; +}; + + +var realpath = function realpath(p, cache, cb) { + if (typeof cb !== 'function') { + cb = maybeCallback(cache); + cache = null; + } + + // make p is absolute + p = path$1.resolve(p); + + if (cache && Object.prototype.hasOwnProperty.call(cache, p)) { + return process.nextTick(cb.bind(null, null, cache[p])); + } + + var original = p, + seenLinks = {}, + knownHard = {}; + + // current character position in p + var pos; + // the partial path so far, including a trailing slash if any + var current; + // the partial path without a trailing slash (except when pointing at a root) + var base; + // the partial path scanned in the previous round, with slash + var previous; + + start(); + + function start() { + // Skip over roots + var m = splitRootRe.exec(p); + pos = m[0].length; + current = m[0]; + base = m[0]; + previous = ''; + + // On windows, check that the root exists. On unix there is no need. + if (isWindows && !knownHard[base]) { + fs$1.lstat(base, function(err) { + if (err) return cb(err); + knownHard[base] = true; + LOOP(); + }); + } else { + process.nextTick(LOOP); + } + } + + // walk down the path, swapping out linked pathparts for their real + // values + function LOOP() { + // stop if scanned past end of path + if (pos >= p.length) { + if (cache) cache[original] = p; + return cb(null, p); + } + + // find the next part + nextPartRe.lastIndex = pos; + var result = nextPartRe.exec(p); + previous = current; + current += result[0]; + base = previous + result[1]; + pos = nextPartRe.lastIndex; + + // continue if not a symlink + if (knownHard[base] || (cache && cache[base] === base)) { + return process.nextTick(LOOP); + } + + if (cache && Object.prototype.hasOwnProperty.call(cache, base)) { + // known symbolic link. no need to stat again. + return gotResolvedLink(cache[base]); + } + + return fs$1.lstat(base, gotStat); + } + + function gotStat(err, stat) { + if (err) return cb(err); + + // if not a symlink, skip to the next path part + if (!stat.isSymbolicLink()) { + knownHard[base] = true; + if (cache) cache[base] = base; + return process.nextTick(LOOP); + } + + // stat & read the link if not read before + // call gotTarget as soon as the link target is known + // dev/ino always return 0 on windows, so skip the check. + if (!isWindows) { + var id = stat.dev.toString(32) + ':' + stat.ino.toString(32); + if (seenLinks.hasOwnProperty(id)) { + return gotTarget(null, seenLinks[id], base); + } + } + fs$1.stat(base, function(err) { + if (err) return cb(err); + + fs$1.readlink(base, function(err, target) { + if (!isWindows) seenLinks[id] = target; + gotTarget(err, target); + }); + }); + } + + function gotTarget(err, target, base) { + if (err) return cb(err); + + var resolvedLink = path$1.resolve(previous, target); + if (cache) cache[base] = resolvedLink; + gotResolvedLink(resolvedLink); + } + + function gotResolvedLink(resolvedLink) { + // resolve the link, then start over + p = path$1.resolve(resolvedLink, p.slice(pos)); + start(); + } +}; + +var old = { + realpathSync: realpathSync, + realpath: realpath +}; + +var fs_realpath = realpath$1; +realpath$1.realpath = realpath$1; +realpath$1.sync = realpathSync$1; +realpath$1.realpathSync = realpathSync$1; +realpath$1.monkeypatch = monkeypatch; +realpath$1.unmonkeypatch = unmonkeypatch; + + +var origRealpath = fs$1.realpath; +var origRealpathSync = fs$1.realpathSync; + +var version = process.version; +var ok = /^v[0-5]\./.test(version); + + +function newError (er) { + return er && er.syscall === 'realpath' && ( + er.code === 'ELOOP' || + er.code === 'ENOMEM' || + er.code === 'ENAMETOOLONG' + ) +} + +function realpath$1 (p, cache, cb) { + if (ok) { + return origRealpath(p, cache, cb) + } + + if (typeof cache === 'function') { + cb = cache; + cache = null; + } + origRealpath(p, cache, function (er, result) { + if (newError(er)) { + old.realpath(p, cache, cb); + } else { + cb(er, result); + } + }); +} + +function realpathSync$1 (p, cache) { + if (ok) { + return origRealpathSync(p, cache) + } + + try { + return origRealpathSync(p, cache) + } catch (er) { + if (newError(er)) { + return old.realpathSync(p, cache) + } else { + throw er + } + } +} + +function monkeypatch () { + fs$1.realpath = realpath$1; + fs$1.realpathSync = realpathSync$1; +} + +function unmonkeypatch () { + fs$1.realpath = origRealpath; + fs$1.realpathSync = origRealpathSync; +} + +var concatMap = function (xs, fn) { + var res = []; + for (var i = 0; i < xs.length; i++) { + var x = fn(xs[i], i); + if (isArray(x)) res.push.apply(res, x); + else res.push(x); + } + return res; +}; + +var isArray = Array.isArray || function (xs) { + return Object.prototype.toString.call(xs) === '[object Array]'; +}; + +var balancedMatch = balanced; +function balanced(a, b, str) { + if (a instanceof RegExp) a = maybeMatch(a, str); + if (b instanceof RegExp) b = maybeMatch(b, str); + + var r = range(a, b, str); + + return r && { + start: r[0], + end: r[1], + pre: str.slice(0, r[0]), + body: str.slice(r[0] + a.length, r[1]), + post: str.slice(r[1] + b.length) + }; +} + +function maybeMatch(reg, str) { + var m = str.match(reg); + return m ? m[0] : null; +} + +balanced.range = range; +function range(a, b, str) { + var begs, beg, left, right, result; + var ai = str.indexOf(a); + var bi = str.indexOf(b, ai + 1); + var i = ai; + + if (ai >= 0 && bi > 0) { + begs = []; + left = str.length; + + while (i >= 0 && !result) { + if (i == ai) { + begs.push(i); + ai = str.indexOf(a, i + 1); + } else if (begs.length == 1) { + result = [ begs.pop(), bi ]; + } else { + beg = begs.pop(); + if (beg < left) { + left = beg; + right = bi; + } + + bi = str.indexOf(b, i + 1); + } + + i = ai < bi && ai >= 0 ? ai : bi; + } + + if (begs.length) { + result = [ left, right ]; + } + } + + return result; +} + +var braceExpansion = expandTop; + +var escSlash = '\0SLASH'+Math.random()+'\0'; +var escOpen = '\0OPEN'+Math.random()+'\0'; +var escClose = '\0CLOSE'+Math.random()+'\0'; +var escComma = '\0COMMA'+Math.random()+'\0'; +var escPeriod = '\0PERIOD'+Math.random()+'\0'; + +function numeric(str) { + return parseInt(str, 10) == str + ? parseInt(str, 10) + : str.charCodeAt(0); +} + +function escapeBraces(str) { + return str.split('\\\\').join(escSlash) + .split('\\{').join(escOpen) + .split('\\}').join(escClose) + .split('\\,').join(escComma) + .split('\\.').join(escPeriod); +} + +function unescapeBraces(str) { + return str.split(escSlash).join('\\') + .split(escOpen).join('{') + .split(escClose).join('}') + .split(escComma).join(',') + .split(escPeriod).join('.'); +} + + +// Basically just str.split(","), but handling cases +// where we have nested braced sections, which should be +// treated as individual members, like {a,{b,c},d} +function parseCommaParts(str) { + if (!str) + return ['']; + + var parts = []; + var m = balancedMatch('{', '}', str); + + if (!m) + return str.split(','); + + var pre = m.pre; + var body = m.body; + var post = m.post; + var p = pre.split(','); + + p[p.length-1] += '{' + body + '}'; + var postParts = parseCommaParts(post); + if (post.length) { + p[p.length-1] += postParts.shift(); + p.push.apply(p, postParts); + } + + parts.push.apply(parts, p); + + return parts; +} + +function expandTop(str) { + if (!str) + return []; + + // I don't know why Bash 4.3 does this, but it does. + // Anything starting with {} will have the first two bytes preserved + // but *only* at the top level, so {},a}b will not expand to anything, + // but a{},b}c will be expanded to [a}c,abc]. + // One could argue that this is a bug in Bash, but since the goal of + // this module is to match Bash's rules, we escape a leading {} + if (str.substr(0, 2) === '{}') { + str = '\\{\\}' + str.substr(2); + } + + return expand(escapeBraces(str), true).map(unescapeBraces); +} + +function embrace(str) { + return '{' + str + '}'; +} +function isPadded(el) { + return /^-?0\d/.test(el); +} + +function lte(i, y) { + return i <= y; +} +function gte(i, y) { + return i >= y; +} + +function expand(str, isTop) { + var expansions = []; + + var m = balancedMatch('{', '}', str); + if (!m || /\$$/.test(m.pre)) return [str]; + + var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body); + var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body); + var isSequence = isNumericSequence || isAlphaSequence; + var isOptions = m.body.indexOf(',') >= 0; + if (!isSequence && !isOptions) { + // {a},b} + if (m.post.match(/,.*\}/)) { + str = m.pre + '{' + m.body + escClose + m.post; + return expand(str); + } + return [str]; + } + + var n; + if (isSequence) { + n = m.body.split(/\.\./); + } else { + n = parseCommaParts(m.body); + if (n.length === 1) { + // x{{a,b}}y ==> x{a}y x{b}y + n = expand(n[0], false).map(embrace); + if (n.length === 1) { + var post = m.post.length + ? expand(m.post, false) + : ['']; + return post.map(function(p) { + return m.pre + n[0] + p; + }); + } + } + } + + // at this point, n is the parts, and we know it's not a comma set + // with a single entry. + + // no need to expand pre, since it is guaranteed to be free of brace-sets + var pre = m.pre; + var post = m.post.length + ? expand(m.post, false) + : ['']; + + var N; + + if (isSequence) { + var x = numeric(n[0]); + var y = numeric(n[1]); + var width = Math.max(n[0].length, n[1].length); + var incr = n.length == 3 + ? Math.abs(numeric(n[2])) + : 1; + var test = lte; + var reverse = y < x; + if (reverse) { + incr *= -1; + test = gte; + } + var pad = n.some(isPadded); + + N = []; + + for (var i = x; test(i, y); i += incr) { + var c; + if (isAlphaSequence) { + c = String.fromCharCode(i); + if (c === '\\') + c = ''; + } else { + c = String(i); + if (pad) { + var need = width - c.length; + if (need > 0) { + var z = new Array(need + 1).join('0'); + if (i < 0) + c = '-' + z + c.slice(1); + else + c = z + c; + } + } + } + N.push(c); + } + } else { + N = concatMap(n, function(el) { return expand(el, false) }); + } + + for (var j = 0; j < N.length; j++) { + for (var k = 0; k < post.length; k++) { + var expansion = pre + N[j] + post[k]; + if (!isTop || isSequence || expansion) + expansions.push(expansion); + } + } + + return expansions; +} + +var minimatch_1 = minimatch; +minimatch.Minimatch = Minimatch; + +var path = { sep: '/' }; +try { + path = path$1; +} catch (er) {} + +var GLOBSTAR = minimatch.GLOBSTAR = Minimatch.GLOBSTAR = {}; + + +var plTypes = { + '!': { open: '(?:(?!(?:', close: '))[^/]*?)'}, + '?': { open: '(?:', close: ')?' }, + '+': { open: '(?:', close: ')+' }, + '*': { open: '(?:', close: ')*' }, + '@': { open: '(?:', close: ')' } +}; + +// any single thing other than / +// don't need to escape / when using new RegExp() +var qmark = '[^/]'; + +// * => any number of characters +var star = qmark + '*?'; + +// ** when dots are allowed. Anything goes, except .. and . +// not (^ or / followed by one or two dots followed by $ or /), +// followed by anything, any number of times. +var twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?'; + +// not a ^ or / followed by a dot, +// followed by anything, any number of times. +var twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?'; + +// characters that need to be escaped in RegExp. +var reSpecials = charSet('().*{}+?[]^$\\!'); + +// "abc" -> { a:true, b:true, c:true } +function charSet (s) { + return s.split('').reduce(function (set, c) { + set[c] = true; + return set + }, {}) +} + +// normalizes slashes. +var slashSplit = /\/+/; + +minimatch.filter = filter; +function filter (pattern, options) { + options = options || {}; + return function (p, i, list) { + return minimatch(p, pattern, options) + } +} + +function ext (a, b) { + a = a || {}; + b = b || {}; + var t = {}; + Object.keys(b).forEach(function (k) { + t[k] = b[k]; + }); + Object.keys(a).forEach(function (k) { + t[k] = a[k]; + }); + return t +} + +minimatch.defaults = function (def) { + if (!def || !Object.keys(def).length) return minimatch + + var orig = minimatch; + + var m = function minimatch (p, pattern, options) { + return orig.minimatch(p, pattern, ext(def, options)) + }; + + m.Minimatch = function Minimatch (pattern, options) { + return new orig.Minimatch(pattern, ext(def, options)) + }; + + return m +}; + +Minimatch.defaults = function (def) { + if (!def || !Object.keys(def).length) return Minimatch + return minimatch.defaults(def).Minimatch +}; + +function minimatch (p, pattern, options) { + if (typeof pattern !== 'string') { + throw new TypeError('glob pattern string required') + } + + if (!options) options = {}; + + // shortcut: comments match nothing. + if (!options.nocomment && pattern.charAt(0) === '#') { + return false + } + + // "" only matches "" + if (pattern.trim() === '') return p === '' + + return new Minimatch(pattern, options).match(p) +} + +function Minimatch (pattern, options) { + if (!(this instanceof Minimatch)) { + return new Minimatch(pattern, options) + } + + if (typeof pattern !== 'string') { + throw new TypeError('glob pattern string required') + } + + if (!options) options = {}; + pattern = pattern.trim(); + + // windows support: need to use /, not \ + if (path.sep !== '/') { + pattern = pattern.split(path.sep).join('/'); + } + + this.options = options; + this.set = []; + this.pattern = pattern; + this.regexp = null; + this.negate = false; + this.comment = false; + this.empty = false; + + // make the set of regexps etc. + this.make(); +} + +Minimatch.prototype.debug = function () {}; + +Minimatch.prototype.make = make; +function make () { + // don't do it more than once. + if (this._made) return + + var pattern = this.pattern; + var options = this.options; + + // empty patterns and comments match nothing. + if (!options.nocomment && pattern.charAt(0) === '#') { + this.comment = true; + return + } + if (!pattern) { + this.empty = true; + return + } + + // step 1: figure out negation, etc. + this.parseNegate(); + + // step 2: expand braces + var set = this.globSet = this.braceExpand(); + + if (options.debug) this.debug = console.error; + + this.debug(this.pattern, set); + + // step 3: now we have a set, so turn each one into a series of path-portion + // matching patterns. + // These will be regexps, except in the case of "**", which is + // set to the GLOBSTAR object for globstar behavior, + // and will not contain any / characters + set = this.globParts = set.map(function (s) { + return s.split(slashSplit) + }); + + this.debug(this.pattern, set); + + // glob --> regexps + set = set.map(function (s, si, set) { + return s.map(this.parse, this) + }, this); + + this.debug(this.pattern, set); + + // filter out everything that didn't compile properly. + set = set.filter(function (s) { + return s.indexOf(false) === -1 + }); + + this.debug(this.pattern, set); + + this.set = set; +} + +Minimatch.prototype.parseNegate = parseNegate; +function parseNegate () { + var pattern = this.pattern; + var negate = false; + var options = this.options; + var negateOffset = 0; + + if (options.nonegate) return + + for (var i = 0, l = pattern.length + ; i < l && pattern.charAt(i) === '!' + ; i++) { + negate = !negate; + negateOffset++; + } + + if (negateOffset) this.pattern = pattern.substr(negateOffset); + this.negate = negate; +} + +// Brace expansion: +// a{b,c}d -> abd acd +// a{b,}c -> abc ac +// a{0..3}d -> a0d a1d a2d a3d +// a{b,c{d,e}f}g -> abg acdfg acefg +// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg +// +// Invalid sets are not expanded. +// a{2..}b -> a{2..}b +// a{b}c -> a{b}c +minimatch.braceExpand = function (pattern, options) { + return braceExpand(pattern, options) +}; + +Minimatch.prototype.braceExpand = braceExpand; + +function braceExpand (pattern, options) { + if (!options) { + if (this instanceof Minimatch) { + options = this.options; + } else { + options = {}; + } + } + + pattern = typeof pattern === 'undefined' + ? this.pattern : pattern; + + if (typeof pattern === 'undefined') { + throw new TypeError('undefined pattern') + } + + if (options.nobrace || + !pattern.match(/\{.*\}/)) { + // shortcut. no need to expand. + return [pattern] + } + + return braceExpansion(pattern) +} + +// parse a component of the expanded set. +// At this point, no pattern may contain "/" in it +// so we're going to return a 2d array, where each entry is the full +// pattern, split on '/', and then turned into a regular expression. +// A regexp is made at the end which joins each array with an +// escaped /, and another full one which joins each regexp with |. +// +// Following the lead of Bash 4.1, note that "**" only has special meaning +// when it is the *only* thing in a path portion. Otherwise, any series +// of * is equivalent to a single *. Globstar behavior is enabled by +// default, and can be disabled by setting options.noglobstar. +Minimatch.prototype.parse = parse$2; +var SUBPARSE = {}; +function parse$2 (pattern, isSub) { + if (pattern.length > 1024 * 64) { + throw new TypeError('pattern is too long') + } + + var options = this.options; + + // shortcuts + if (!options.noglobstar && pattern === '**') return GLOBSTAR + if (pattern === '') return '' + + var re = ''; + var hasMagic = !!options.nocase; + var escaping = false; + // ? => one single character + var patternListStack = []; + var negativeLists = []; + var stateChar; + var inClass = false; + var reClassStart = -1; + var classStart = -1; + // . and .. never match anything that doesn't start with ., + // even when options.dot is set. + var patternStart = pattern.charAt(0) === '.' ? '' // anything + // not (start or / followed by . or .. followed by / or end) + : options.dot ? '(?!(?:^|\\\/)\\.{1,2}(?:$|\\\/))' + : '(?!\\.)'; + var self = this; + + function clearStateChar () { + if (stateChar) { + // we had some state-tracking character + // that wasn't consumed by this pass. + switch (stateChar) { + case '*': + re += star; + hasMagic = true; + break + case '?': + re += qmark; + hasMagic = true; + break + default: + re += '\\' + stateChar; + break + } + self.debug('clearStateChar %j %j', stateChar, re); + stateChar = false; + } + } + + for (var i = 0, len = pattern.length, c + ; (i < len) && (c = pattern.charAt(i)) + ; i++) { + this.debug('%s\t%s %s %j', pattern, i, re, c); + + // skip over any that are escaped. + if (escaping && reSpecials[c]) { + re += '\\' + c; + escaping = false; + continue + } + + switch (c) { + case '/': + // completely not allowed, even escaped. + // Should already be path-split by now. + return false + + case '\\': + clearStateChar(); + escaping = true; + continue + + // the various stateChar values + // for the "extglob" stuff. + case '?': + case '*': + case '+': + case '@': + case '!': + this.debug('%s\t%s %s %j <-- stateChar', pattern, i, re, c); + + // all of those are literals inside a class, except that + // the glob [!a] means [^a] in regexp + if (inClass) { + this.debug(' in class'); + if (c === '!' && i === classStart + 1) c = '^'; + re += c; + continue + } + + // if we already have a stateChar, then it means + // that there was something like ** or +? in there. + // Handle the stateChar, then proceed with this one. + self.debug('call clearStateChar %j', stateChar); + clearStateChar(); + stateChar = c; + // if extglob is disabled, then +(asdf|foo) isn't a thing. + // just clear the statechar *now*, rather than even diving into + // the patternList stuff. + if (options.noext) clearStateChar(); + continue + + case '(': + if (inClass) { + re += '('; + continue + } + + if (!stateChar) { + re += '\\('; + continue + } + + patternListStack.push({ + type: stateChar, + start: i - 1, + reStart: re.length, + open: plTypes[stateChar].open, + close: plTypes[stateChar].close + }); + // negation is (?:(?!js)[^/]*) + re += stateChar === '!' ? '(?:(?!(?:' : '(?:'; + this.debug('plType %j %j', stateChar, re); + stateChar = false; + continue + + case ')': + if (inClass || !patternListStack.length) { + re += '\\)'; + continue + } + + clearStateChar(); + hasMagic = true; + var pl = patternListStack.pop(); + // negation is (?:(?!js)[^/]*) + // The others are (?:) + re += pl.close; + if (pl.type === '!') { + negativeLists.push(pl); + } + pl.reEnd = re.length; + continue + + case '|': + if (inClass || !patternListStack.length || escaping) { + re += '\\|'; + escaping = false; + continue + } + + clearStateChar(); + re += '|'; + continue + + // these are mostly the same in regexp and glob + case '[': + // swallow any state-tracking char before the [ + clearStateChar(); + + if (inClass) { + re += '\\' + c; + continue + } + + inClass = true; + classStart = i; + reClassStart = re.length; + re += c; + continue + + case ']': + // a right bracket shall lose its special + // meaning and represent itself in + // a bracket expression if it occurs + // first in the list. -- POSIX.2 2.8.3.2 + if (i === classStart + 1 || !inClass) { + re += '\\' + c; + escaping = false; + continue + } + + // handle the case where we left a class open. + // "[z-a]" is valid, equivalent to "\[z-a\]" + if (inClass) { + // split where the last [ was, make sure we don't have + // an invalid re. if so, re-walk the contents of the + // would-be class to re-translate any characters that + // were passed through as-is + // TODO: It would probably be faster to determine this + // without a try/catch and a new RegExp, but it's tricky + // to do safely. For now, this is safe and works. + var cs = pattern.substring(classStart + 1, i); + try { + RegExp('[' + cs + ']'); + } catch (er) { + // not a valid class! + var sp = this.parse(cs, SUBPARSE); + re = re.substr(0, reClassStart) + '\\[' + sp[0] + '\\]'; + hasMagic = hasMagic || sp[1]; + inClass = false; + continue + } + } + + // finish up the class. + hasMagic = true; + inClass = false; + re += c; + continue + + default: + // swallow any state char that wasn't consumed + clearStateChar(); + + if (escaping) { + // no need + escaping = false; + } else if (reSpecials[c] + && !(c === '^' && inClass)) { + re += '\\'; + } + + re += c; + + } // switch + } // for + + // handle the case where we left a class open. + // "[abc" is valid, equivalent to "\[abc" + if (inClass) { + // split where the last [ was, and escape it + // this is a huge pita. We now have to re-walk + // the contents of the would-be class to re-translate + // any characters that were passed through as-is + cs = pattern.substr(classStart + 1); + sp = this.parse(cs, SUBPARSE); + re = re.substr(0, reClassStart) + '\\[' + sp[0]; + hasMagic = hasMagic || sp[1]; + } + + // handle the case where we had a +( thing at the *end* + // of the pattern. + // each pattern list stack adds 3 chars, and we need to go through + // and escape any | chars that were passed through as-is for the regexp. + // Go through and escape them, taking care not to double-escape any + // | chars that were already escaped. + for (pl = patternListStack.pop(); pl; pl = patternListStack.pop()) { + var tail = re.slice(pl.reStart + pl.open.length); + this.debug('setting tail', re, pl); + // maybe some even number of \, then maybe 1 \, followed by a | + tail = tail.replace(/((?:\\{2}){0,64})(\\?)\|/g, function (_, $1, $2) { + if (!$2) { + // the | isn't already escaped, so escape it. + $2 = '\\'; + } + + // need to escape all those slashes *again*, without escaping the + // one that we need for escaping the | character. As it works out, + // escaping an even number of slashes can be done by simply repeating + // it exactly after itself. That's why this trick works. + // + // I am sorry that you have to see this. + return $1 + $1 + $2 + '|' + }); + + this.debug('tail=%j\n %s', tail, tail, pl, re); + var t = pl.type === '*' ? star + : pl.type === '?' ? qmark + : '\\' + pl.type; + + hasMagic = true; + re = re.slice(0, pl.reStart) + t + '\\(' + tail; + } + + // handle trailing things that only matter at the very end. + clearStateChar(); + if (escaping) { + // trailing \\ + re += '\\\\'; + } + + // only need to apply the nodot start if the re starts with + // something that could conceivably capture a dot + var addPatternStart = false; + switch (re.charAt(0)) { + case '.': + case '[': + case '(': addPatternStart = true; + } + + // Hack to work around lack of negative lookbehind in JS + // A pattern like: *.!(x).!(y|z) needs to ensure that a name + // like 'a.xyz.yz' doesn't match. So, the first negative + // lookahead, has to look ALL the way ahead, to the end of + // the pattern. + for (var n = negativeLists.length - 1; n > -1; n--) { + var nl = negativeLists[n]; + + var nlBefore = re.slice(0, nl.reStart); + var nlFirst = re.slice(nl.reStart, nl.reEnd - 8); + var nlLast = re.slice(nl.reEnd - 8, nl.reEnd); + var nlAfter = re.slice(nl.reEnd); + + nlLast += nlAfter; + + // Handle nested stuff like *(*.js|!(*.json)), where open parens + // mean that we should *not* include the ) in the bit that is considered + // "after" the negated section. + var openParensBefore = nlBefore.split('(').length - 1; + var cleanAfter = nlAfter; + for (i = 0; i < openParensBefore; i++) { + cleanAfter = cleanAfter.replace(/\)[+*?]?/, ''); + } + nlAfter = cleanAfter; + + var dollar = ''; + if (nlAfter === '' && isSub !== SUBPARSE) { + dollar = '$'; + } + var newRe = nlBefore + nlFirst + nlAfter + dollar + nlLast; + re = newRe; + } + + // if the re is not "" at this point, then we need to make sure + // it doesn't match against an empty path part. + // Otherwise a/* will match a/, which it should not. + if (re !== '' && hasMagic) { + re = '(?=.)' + re; + } + + if (addPatternStart) { + re = patternStart + re; + } + + // parsing just a piece of a larger pattern. + if (isSub === SUBPARSE) { + return [re, hasMagic] + } + + // skip the regexp for non-magical patterns + // unescape anything in it, though, so that it'll be + // an exact match against a file etc. + if (!hasMagic) { + return globUnescape(pattern) + } + + var flags = options.nocase ? 'i' : ''; + try { + var regExp = new RegExp('^' + re + '$', flags); + } catch (er) { + // If it was an invalid regular expression, then it can't match + // anything. This trick looks for a character after the end of + // the string, which is of course impossible, except in multi-line + // mode, but it's not a /m regex. + return new RegExp('$.') + } + + regExp._glob = pattern; + regExp._src = re; + + return regExp +} + +minimatch.makeRe = function (pattern, options) { + return new Minimatch(pattern, options || {}).makeRe() +}; + +Minimatch.prototype.makeRe = makeRe; +function makeRe () { + if (this.regexp || this.regexp === false) return this.regexp + + // at this point, this.set is a 2d array of partial + // pattern strings, or "**". + // + // It's better to use .match(). This function shouldn't + // be used, really, but it's pretty convenient sometimes, + // when you just want to work with a regex. + var set = this.set; + + if (!set.length) { + this.regexp = false; + return this.regexp + } + var options = this.options; + + var twoStar = options.noglobstar ? star + : options.dot ? twoStarDot + : twoStarNoDot; + var flags = options.nocase ? 'i' : ''; + + var re = set.map(function (pattern) { + return pattern.map(function (p) { + return (p === GLOBSTAR) ? twoStar + : (typeof p === 'string') ? regExpEscape(p) + : p._src + }).join('\\\/') + }).join('|'); + + // must match entire pattern + // ending in a * or ** will make it less strict. + re = '^(?:' + re + ')$'; + + // can match anything, as long as it's not this. + if (this.negate) re = '^(?!' + re + ').*$'; + + try { + this.regexp = new RegExp(re, flags); + } catch (ex) { + this.regexp = false; + } + return this.regexp +} + +minimatch.match = function (list, pattern, options) { + options = options || {}; + var mm = new Minimatch(pattern, options); + list = list.filter(function (f) { + return mm.match(f) + }); + if (mm.options.nonull && !list.length) { + list.push(pattern); + } + return list +}; + +Minimatch.prototype.match = match; +function match (f, partial) { + this.debug('match', f, this.pattern); + // short-circuit in the case of busted things. + // comments, etc. + if (this.comment) return false + if (this.empty) return f === '' + + if (f === '/' && partial) return true + + var options = this.options; + + // windows: need to use /, not \ + if (path.sep !== '/') { + f = f.split(path.sep).join('/'); + } + + // treat the test path as a set of pathparts. + f = f.split(slashSplit); + this.debug(this.pattern, 'split', f); + + // just ONE of the pattern sets in this.set needs to match + // in order for it to be valid. If negating, then just one + // match means that we have failed. + // Either way, return on the first hit. + + var set = this.set; + this.debug(this.pattern, 'set', set); + + // Find the basename of the path by looking for the last non-empty segment + var filename; + var i; + for (i = f.length - 1; i >= 0; i--) { + filename = f[i]; + if (filename) break + } + + for (i = 0; i < set.length; i++) { + var pattern = set[i]; + var file = f; + if (options.matchBase && pattern.length === 1) { + file = [filename]; + } + var hit = this.matchOne(file, pattern, partial); + if (hit) { + if (options.flipNegate) return true + return !this.negate + } + } + + // didn't get any hits. this is success if it's a negative + // pattern, failure otherwise. + if (options.flipNegate) return false + return this.negate +} + +// set partial to true to test if, for example, +// "/a/b" matches the start of "/*/b/*/d" +// Partial means, if you run out of file before you run +// out of pattern, then that's fine, as long as all +// the parts match. +Minimatch.prototype.matchOne = function (file, pattern, partial) { + var options = this.options; + + this.debug('matchOne', + { 'this': this, file: file, pattern: pattern }); + + this.debug('matchOne', file.length, pattern.length); + + for (var fi = 0, + pi = 0, + fl = file.length, + pl = pattern.length + ; (fi < fl) && (pi < pl) + ; fi++, pi++) { + this.debug('matchOne loop'); + var p = pattern[pi]; + var f = file[fi]; + + this.debug(pattern, p, f); + + // should be impossible. + // some invalid regexp stuff in the set. + if (p === false) return false + + if (p === GLOBSTAR) { + this.debug('GLOBSTAR', [pattern, p, f]); + + // "**" + // a/**/b/**/c would match the following: + // a/b/x/y/z/c + // a/x/y/z/b/c + // a/b/x/b/x/c + // a/b/c + // To do this, take the rest of the pattern after + // the **, and see if it would match the file remainder. + // If so, return success. + // If not, the ** "swallows" a segment, and try again. + // This is recursively awful. + // + // a/**/b/**/c matching a/b/x/y/z/c + // - a matches a + // - doublestar + // - matchOne(b/x/y/z/c, b/**/c) + // - b matches b + // - doublestar + // - matchOne(x/y/z/c, c) -> no + // - matchOne(y/z/c, c) -> no + // - matchOne(z/c, c) -> no + // - matchOne(c, c) yes, hit + var fr = fi; + var pr = pi + 1; + if (pr === pl) { + this.debug('** at the end'); + // a ** at the end will just swallow the rest. + // We have found a match. + // however, it will not swallow /.x, unless + // options.dot is set. + // . and .. are *never* matched by **, for explosively + // exponential reasons. + for (; fi < fl; fi++) { + if (file[fi] === '.' || file[fi] === '..' || + (!options.dot && file[fi].charAt(0) === '.')) return false + } + return true + } + + // ok, let's see if we can swallow whatever we can. + while (fr < fl) { + var swallowee = file[fr]; + + this.debug('\nglobstar while', file, fr, pattern, pr, swallowee); + + // XXX remove this slice. Just pass the start index. + if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) { + this.debug('globstar found match!', fr, fl, swallowee); + // found a match. + return true + } else { + // can't swallow "." or ".." ever. + // can only swallow ".foo" when explicitly asked. + if (swallowee === '.' || swallowee === '..' || + (!options.dot && swallowee.charAt(0) === '.')) { + this.debug('dot detected!', file, fr, pattern, pr); + break + } + + // ** swallows a segment, and continue. + this.debug('globstar swallow a segment, and continue'); + fr++; + } + } + + // no match was found. + // However, in partial mode, we can't say this is necessarily over. + // If there's more *pattern* left, then + if (partial) { + // ran out of file + this.debug('\n>>> no match, partial?', file, fr, pattern, pr); + if (fr === fl) return true + } + return false + } + + // something other than ** + // non-magic patterns just have to match exactly + // patterns with magic have been turned into regexps. + var hit; + if (typeof p === 'string') { + if (options.nocase) { + hit = f.toLowerCase() === p.toLowerCase(); + } else { + hit = f === p; + } + this.debug('string match', p, f, hit); + } else { + hit = f.match(p); + this.debug('pattern match', p, f, hit); + } + + if (!hit) return false + } + + // Note: ending in / means that we'll get a final "" + // at the end of the pattern. This can only match a + // corresponding "" at the end of the file. + // If the file ends in /, then it can only match a + // a pattern that ends in /, unless the pattern just + // doesn't have any more for it. But, a/b/ should *not* + // match "a/b/*", even though "" matches against the + // [^/]*? pattern, except in partial mode, where it might + // simply not be reached yet. + // However, a/b/ should still satisfy a/* + + // now either we fell off the end of the pattern, or we're done. + if (fi === fl && pi === pl) { + // ran out of pattern and filename at the same time. + // an exact hit! + return true + } else if (fi === fl) { + // ran out of file, but still had pattern left. + // this is ok if we're doing the match as part of + // a glob fs traversal. + return partial + } else if (pi === pl) { + // ran out of pattern, still have file left. + // this is only acceptable if we're on the very last + // empty segment of a file with a trailing slash. + // a/* should match a/b/ + var emptyFileEnd = (fi === fl - 1) && (file[fi] === ''); + return emptyFileEnd + } + + // should be unreachable. + throw new Error('wtf?') +}; + +// replace stuff like \* with * +function globUnescape (s) { + return s.replace(/\\(.)/g, '$1') +} + +function regExpEscape (s) { + return s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&') +} + +var inherits_browser = createCommonjsModule(function (module) { +if (typeof Object.create === 'function') { + // implementation from standard node.js 'util' module + module.exports = function inherits(ctor, superCtor) { + if (superCtor) { + ctor.super_ = superCtor; + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }); + } + }; +} else { + // old school shim for old browsers + module.exports = function inherits(ctor, superCtor) { + if (superCtor) { + ctor.super_ = superCtor; + var TempCtor = function () {}; + TempCtor.prototype = superCtor.prototype; + ctor.prototype = new TempCtor(); + ctor.prototype.constructor = ctor; + } + }; +} +}); + +var inherits = createCommonjsModule(function (module) { +try { + var util = util$1; + /* istanbul ignore next */ + if (typeof util.inherits !== 'function') throw ''; + module.exports = util.inherits; +} catch (e) { + /* istanbul ignore next */ + module.exports = inherits_browser; +} +}); + +function posix(path) { + return path.charAt(0) === '/'; +} + +function win32(path) { + // https://github.com/nodejs/node/blob/b3fcc245fb25539909ef1d5eaa01dbf92e168633/lib/path.js#L56 + var splitDeviceRe = /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/; + var result = splitDeviceRe.exec(path); + var device = result[1] || ''; + var isUnc = Boolean(device && device.charAt(1) !== ':'); + + // UNC paths are always absolute + return Boolean(result[2] || isUnc); +} + +var pathIsAbsolute = process.platform === 'win32' ? win32 : posix; +var posix_1 = posix; +var win32_1 = win32; +pathIsAbsolute.posix = posix_1; +pathIsAbsolute.win32 = win32_1; + +var alphasort_1 = alphasort; +var alphasorti_1 = alphasorti; +var setopts_1 = setopts; +var ownProp_1 = ownProp; +var makeAbs_1 = makeAbs; +var finish_1 = finish; +var mark_1 = mark$1; +var isIgnored_1 = isIgnored; +var childrenIgnored_1 = childrenIgnored; + +function ownProp (obj, field) { + return Object.prototype.hasOwnProperty.call(obj, field) +} + + + + +var Minimatch$1 = minimatch_1.Minimatch; + +function alphasorti (a, b) { + return a.toLowerCase().localeCompare(b.toLowerCase()) +} + +function alphasort (a, b) { + return a.localeCompare(b) +} + +function setupIgnores (self, options) { + self.ignore = options.ignore || []; + + if (!Array.isArray(self.ignore)) + self.ignore = [self.ignore]; + + if (self.ignore.length) { + self.ignore = self.ignore.map(ignoreMap); + } +} + +// ignore patterns are always in dot:true mode. +function ignoreMap (pattern) { + var gmatcher = null; + if (pattern.slice(-3) === '/**') { + var gpattern = pattern.replace(/(\/\*\*)+$/, ''); + gmatcher = new Minimatch$1(gpattern, { dot: true }); + } + + return { + matcher: new Minimatch$1(pattern, { dot: true }), + gmatcher: gmatcher + } +} + +function setopts (self, pattern, options) { + if (!options) + options = {}; + + // base-matching: just use globstar for that. + if (options.matchBase && -1 === pattern.indexOf("/")) { + if (options.noglobstar) { + throw new Error("base matching requires globstar") + } + pattern = "**/" + pattern; + } + + self.silent = !!options.silent; + self.pattern = pattern; + self.strict = options.strict !== false; + self.realpath = !!options.realpath; + self.realpathCache = options.realpathCache || Object.create(null); + self.follow = !!options.follow; + self.dot = !!options.dot; + self.mark = !!options.mark; + self.nodir = !!options.nodir; + if (self.nodir) + self.mark = true; + self.sync = !!options.sync; + self.nounique = !!options.nounique; + self.nonull = !!options.nonull; + self.nosort = !!options.nosort; + self.nocase = !!options.nocase; + self.stat = !!options.stat; + self.noprocess = !!options.noprocess; + self.absolute = !!options.absolute; + + self.maxLength = options.maxLength || Infinity; + self.cache = options.cache || Object.create(null); + self.statCache = options.statCache || Object.create(null); + self.symlinks = options.symlinks || Object.create(null); + + setupIgnores(self, options); + + self.changedCwd = false; + var cwd = process.cwd(); + if (!ownProp(options, "cwd")) + self.cwd = cwd; + else { + self.cwd = path$1.resolve(options.cwd); + self.changedCwd = self.cwd !== cwd; + } + + self.root = options.root || path$1.resolve(self.cwd, "/"); + self.root = path$1.resolve(self.root); + if (process.platform === "win32") + self.root = self.root.replace(/\\/g, "/"); + + // TODO: is an absolute `cwd` supposed to be resolved against `root`? + // e.g. { cwd: '/test', root: __dirname } === path.join(__dirname, '/test') + self.cwdAbs = pathIsAbsolute(self.cwd) ? self.cwd : makeAbs(self, self.cwd); + if (process.platform === "win32") + self.cwdAbs = self.cwdAbs.replace(/\\/g, "/"); + self.nomount = !!options.nomount; + + // disable comments and negation in Minimatch. + // Note that they are not supported in Glob itself anyway. + options.nonegate = true; + options.nocomment = true; + + self.minimatch = new Minimatch$1(pattern, options); + self.options = self.minimatch.options; +} + +function finish (self) { + var nou = self.nounique; + var all = nou ? [] : Object.create(null); + + for (var i = 0, l = self.matches.length; i < l; i ++) { + var matches = self.matches[i]; + if (!matches || Object.keys(matches).length === 0) { + if (self.nonull) { + // do like the shell, and spit out the literal glob + var literal = self.minimatch.globSet[i]; + if (nou) + all.push(literal); + else + all[literal] = true; + } + } else { + // had matches + var m = Object.keys(matches); + if (nou) + all.push.apply(all, m); + else + m.forEach(function (m) { + all[m] = true; + }); + } + } + + if (!nou) + all = Object.keys(all); + + if (!self.nosort) + all = all.sort(self.nocase ? alphasorti : alphasort); + + // at *some* point we statted all of these + if (self.mark) { + for (var i = 0; i < all.length; i++) { + all[i] = self._mark(all[i]); + } + if (self.nodir) { + all = all.filter(function (e) { + var notDir = !(/\/$/.test(e)); + var c = self.cache[e] || self.cache[makeAbs(self, e)]; + if (notDir && c) + notDir = c !== 'DIR' && !Array.isArray(c); + return notDir + }); + } + } + + if (self.ignore.length) + all = all.filter(function(m) { + return !isIgnored(self, m) + }); + + self.found = all; +} + +function mark$1 (self, p) { + var abs = makeAbs(self, p); + var c = self.cache[abs]; + var m = p; + if (c) { + var isDir = c === 'DIR' || Array.isArray(c); + var slash = p.slice(-1) === '/'; + + if (isDir && !slash) + m += '/'; + else if (!isDir && slash) + m = m.slice(0, -1); + + if (m !== p) { + var mabs = makeAbs(self, m); + self.statCache[mabs] = self.statCache[abs]; + self.cache[mabs] = self.cache[abs]; + } + } + + return m +} + +// lotta situps... +function makeAbs (self, f) { + var abs = f; + if (f.charAt(0) === '/') { + abs = path$1.join(self.root, f); + } else if (pathIsAbsolute(f) || f === '') { + abs = f; + } else if (self.changedCwd) { + abs = path$1.resolve(self.cwd, f); + } else { + abs = path$1.resolve(f); + } + + if (process.platform === 'win32') + abs = abs.replace(/\\/g, '/'); + + return abs +} + + +// Return true, if pattern ends with globstar '**', for the accompanying parent directory. +// Ex:- If node_modules/** is the pattern, add 'node_modules' to ignore list along with it's contents +function isIgnored (self, path) { + if (!self.ignore.length) + return false + + return self.ignore.some(function(item) { + return item.matcher.match(path) || !!(item.gmatcher && item.gmatcher.match(path)) + }) +} + +function childrenIgnored (self, path) { + if (!self.ignore.length) + return false + + return self.ignore.some(function(item) { + return !!(item.gmatcher && item.gmatcher.match(path)) + }) +} + +var common$2 = { + alphasort: alphasort_1, + alphasorti: alphasorti_1, + setopts: setopts_1, + ownProp: ownProp_1, + makeAbs: makeAbs_1, + finish: finish_1, + mark: mark_1, + isIgnored: isIgnored_1, + childrenIgnored: childrenIgnored_1 +}; + +var sync = globSync; +globSync.GlobSync = GlobSync; +var setopts$1 = common$2.setopts; +var ownProp$1 = common$2.ownProp; +var childrenIgnored$1 = common$2.childrenIgnored; +var isIgnored$1 = common$2.isIgnored; + +function globSync (pattern, options) { + if (typeof options === 'function' || arguments.length === 3) + throw new TypeError('callback provided to sync glob\n'+ + 'See: https://github.com/isaacs/node-glob/issues/167') + + return new GlobSync(pattern, options).found +} + +function GlobSync (pattern, options) { + if (!pattern) + throw new Error('must provide pattern') + + if (typeof options === 'function' || arguments.length === 3) + throw new TypeError('callback provided to sync glob\n'+ + 'See: https://github.com/isaacs/node-glob/issues/167') + + if (!(this instanceof GlobSync)) + return new GlobSync(pattern, options) + + setopts$1(this, pattern, options); + + if (this.noprocess) + return this + + var n = this.minimatch.set.length; + this.matches = new Array(n); + for (var i = 0; i < n; i ++) { + this._process(this.minimatch.set[i], i, false); + } + this._finish(); +} + +GlobSync.prototype._finish = function () { + assert(this instanceof GlobSync); + if (this.realpath) { + var self = this; + this.matches.forEach(function (matchset, index) { + var set = self.matches[index] = Object.create(null); + for (var p in matchset) { + try { + p = self._makeAbs(p); + var real = fs_realpath.realpathSync(p, self.realpathCache); + set[real] = true; + } catch (er) { + if (er.syscall === 'stat') + set[self._makeAbs(p)] = true; + else + throw er + } + } + }); + } + common$2.finish(this); +}; + + +GlobSync.prototype._process = function (pattern, index, inGlobStar) { + assert(this instanceof GlobSync); + + // Get the first [n] parts of pattern that are all strings. + var n = 0; + while (typeof pattern[n] === 'string') { + n ++; + } + // now n is the index of the first one that is *not* a string. + + // See if there's anything else + var prefix; + switch (n) { + // if not, then this is rather simple + case pattern.length: + this._processSimple(pattern.join('/'), index); + return + + case 0: + // pattern *starts* with some non-trivial item. + // going to readdir(cwd), but not include the prefix in matches. + prefix = null; + break + + default: + // pattern has some string bits in the front. + // whatever it starts with, whether that's 'absolute' like /foo/bar, + // or 'relative' like '../baz' + prefix = pattern.slice(0, n).join('/'); + break + } + + var remain = pattern.slice(n); + + // get the list of entries. + var read; + if (prefix === null) + read = '.'; + else if (pathIsAbsolute(prefix) || pathIsAbsolute(pattern.join('/'))) { + if (!prefix || !pathIsAbsolute(prefix)) + prefix = '/' + prefix; + read = prefix; + } else + read = prefix; + + var abs = this._makeAbs(read); + + //if ignored, skip processing + if (childrenIgnored$1(this, read)) + return + + var isGlobStar = remain[0] === minimatch_1.GLOBSTAR; + if (isGlobStar) + this._processGlobStar(prefix, read, abs, remain, index, inGlobStar); + else + this._processReaddir(prefix, read, abs, remain, index, inGlobStar); +}; + + +GlobSync.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar) { + var entries = this._readdir(abs, inGlobStar); + + // if the abs isn't a dir, then nothing can match! + if (!entries) + return + + // It will only match dot entries if it starts with a dot, or if + // dot is set. Stuff like @(.foo|.bar) isn't allowed. + var pn = remain[0]; + var negate = !!this.minimatch.negate; + var rawGlob = pn._glob; + var dotOk = this.dot || rawGlob.charAt(0) === '.'; + + var matchedEntries = []; + for (var i = 0; i < entries.length; i++) { + var e = entries[i]; + if (e.charAt(0) !== '.' || dotOk) { + var m; + if (negate && !prefix) { + m = !e.match(pn); + } else { + m = e.match(pn); + } + if (m) + matchedEntries.push(e); + } + } + + var len = matchedEntries.length; + // If there are no matched entries, then nothing matches. + if (len === 0) + return + + // if this is the last remaining pattern bit, then no need for + // an additional stat *unless* the user has specified mark or + // stat explicitly. We know they exist, since readdir returned + // them. + + if (remain.length === 1 && !this.mark && !this.stat) { + if (!this.matches[index]) + this.matches[index] = Object.create(null); + + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i]; + if (prefix) { + if (prefix.slice(-1) !== '/') + e = prefix + '/' + e; + else + e = prefix + e; + } + + if (e.charAt(0) === '/' && !this.nomount) { + e = path$1.join(this.root, e); + } + this._emitMatch(index, e); + } + // This was the last one, and no stats were needed + return + } + + // now test all matched entries as stand-ins for that part + // of the pattern. + remain.shift(); + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i]; + var newPattern; + if (prefix) + newPattern = [prefix, e]; + else + newPattern = [e]; + this._process(newPattern.concat(remain), index, inGlobStar); + } +}; + + +GlobSync.prototype._emitMatch = function (index, e) { + if (isIgnored$1(this, e)) + return + + var abs = this._makeAbs(e); + + if (this.mark) + e = this._mark(e); + + if (this.absolute) { + e = abs; + } + + if (this.matches[index][e]) + return + + if (this.nodir) { + var c = this.cache[abs]; + if (c === 'DIR' || Array.isArray(c)) + return + } + + this.matches[index][e] = true; + + if (this.stat) + this._stat(e); +}; + + +GlobSync.prototype._readdirInGlobStar = function (abs) { + // follow all symlinked directories forever + // just proceed as if this is a non-globstar situation + if (this.follow) + return this._readdir(abs, false) + + var entries; + var lstat; + try { + lstat = fs$1.lstatSync(abs); + } catch (er) { + if (er.code === 'ENOENT') { + // lstat failed, doesn't exist + return null + } + } + + var isSym = lstat && lstat.isSymbolicLink(); + this.symlinks[abs] = isSym; + + // If it's not a symlink or a dir, then it's definitely a regular file. + // don't bother doing a readdir in that case. + if (!isSym && lstat && !lstat.isDirectory()) + this.cache[abs] = 'FILE'; + else + entries = this._readdir(abs, false); + + return entries +}; + +GlobSync.prototype._readdir = function (abs, inGlobStar) { + + if (inGlobStar && !ownProp$1(this.symlinks, abs)) + return this._readdirInGlobStar(abs) + + if (ownProp$1(this.cache, abs)) { + var c = this.cache[abs]; + if (!c || c === 'FILE') + return null + + if (Array.isArray(c)) + return c + } + + try { + return this._readdirEntries(abs, fs$1.readdirSync(abs)) + } catch (er) { + this._readdirError(abs, er); + return null + } +}; + +GlobSync.prototype._readdirEntries = function (abs, entries) { + // if we haven't asked to stat everything, then just + // assume that everything in there exists, so we can avoid + // having to stat it a second time. + if (!this.mark && !this.stat) { + for (var i = 0; i < entries.length; i ++) { + var e = entries[i]; + if (abs === '/') + e = abs + e; + else + e = abs + '/' + e; + this.cache[e] = true; + } + } + + this.cache[abs] = entries; + + // mark and cache dir-ness + return entries +}; + +GlobSync.prototype._readdirError = function (f, er) { + // handle errors, and cache the information + switch (er.code) { + case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205 + case 'ENOTDIR': // totally normal. means it *does* exist. + var abs = this._makeAbs(f); + this.cache[abs] = 'FILE'; + if (abs === this.cwdAbs) { + var error = new Error(er.code + ' invalid cwd ' + this.cwd); + error.path = this.cwd; + error.code = er.code; + throw error + } + break + + case 'ENOENT': // not terribly unusual + case 'ELOOP': + case 'ENAMETOOLONG': + case 'UNKNOWN': + this.cache[this._makeAbs(f)] = false; + break + + default: // some unusual error. Treat as failure. + this.cache[this._makeAbs(f)] = false; + if (this.strict) + throw er + if (!this.silent) + console.error('glob error', er); + break + } +}; + +GlobSync.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar) { + + var entries = this._readdir(abs, inGlobStar); + + // no entries means not a dir, so it can never have matches + // foo.txt/** doesn't match foo.txt + if (!entries) + return + + // test without the globstar, and with every child both below + // and replacing the globstar. + var remainWithoutGlobStar = remain.slice(1); + var gspref = prefix ? [ prefix ] : []; + var noGlobStar = gspref.concat(remainWithoutGlobStar); + + // the noGlobStar pattern exits the inGlobStar state + this._process(noGlobStar, index, false); + + var len = entries.length; + var isSym = this.symlinks[abs]; + + // If it's a symlink, and we're in a globstar, then stop + if (isSym && inGlobStar) + return + + for (var i = 0; i < len; i++) { + var e = entries[i]; + if (e.charAt(0) === '.' && !this.dot) + continue + + // these two cases enter the inGlobStar state + var instead = gspref.concat(entries[i], remainWithoutGlobStar); + this._process(instead, index, true); + + var below = gspref.concat(entries[i], remain); + this._process(below, index, true); + } +}; + +GlobSync.prototype._processSimple = function (prefix, index) { + // XXX review this. Shouldn't it be doing the mounting etc + // before doing stat? kinda weird? + var exists = this._stat(prefix); + + if (!this.matches[index]) + this.matches[index] = Object.create(null); + + // If it doesn't exist, then just mark the lack of results + if (!exists) + return + + if (prefix && pathIsAbsolute(prefix) && !this.nomount) { + var trail = /[\/\\]$/.test(prefix); + if (prefix.charAt(0) === '/') { + prefix = path$1.join(this.root, prefix); + } else { + prefix = path$1.resolve(this.root, prefix); + if (trail) + prefix += '/'; + } + } + + if (process.platform === 'win32') + prefix = prefix.replace(/\\/g, '/'); + + // Mark this as a match + this._emitMatch(index, prefix); +}; + +// Returns either 'DIR', 'FILE', or false +GlobSync.prototype._stat = function (f) { + var abs = this._makeAbs(f); + var needDir = f.slice(-1) === '/'; + + if (f.length > this.maxLength) + return false + + if (!this.stat && ownProp$1(this.cache, abs)) { + var c = this.cache[abs]; + + if (Array.isArray(c)) + c = 'DIR'; + + // It exists, but maybe not how we need it + if (!needDir || c === 'DIR') + return c + + if (needDir && c === 'FILE') + return false + + // otherwise we have to stat, because maybe c=true + // if we know it exists, but not what it is. + } + var stat = this.statCache[abs]; + if (!stat) { + var lstat; + try { + lstat = fs$1.lstatSync(abs); + } catch (er) { + if (er && (er.code === 'ENOENT' || er.code === 'ENOTDIR')) { + this.statCache[abs] = false; + return false + } + } + + if (lstat && lstat.isSymbolicLink()) { + try { + stat = fs$1.statSync(abs); + } catch (er) { + stat = lstat; + } + } else { + stat = lstat; + } + } + + this.statCache[abs] = stat; + + var c = true; + if (stat) + c = stat.isDirectory() ? 'DIR' : 'FILE'; + + this.cache[abs] = this.cache[abs] || c; + + if (needDir && c === 'FILE') + return false + + return c +}; + +GlobSync.prototype._mark = function (p) { + return common$2.mark(this, p) +}; + +GlobSync.prototype._makeAbs = function (f) { + return common$2.makeAbs(this, f) +}; + +// Returns a wrapper function that returns a wrapped callback +// The wrapper function should do some stuff, and return a +// presumably different callback function. +// This makes sure that own properties are retained, so that +// decorations and such are not lost along the way. +var wrappy_1 = wrappy; +function wrappy (fn, cb) { + if (fn && cb) return wrappy(fn)(cb) + + if (typeof fn !== 'function') + throw new TypeError('need wrapper function') + + Object.keys(fn).forEach(function (k) { + wrapper[k] = fn[k]; + }); + + return wrapper + + function wrapper() { + var args = new Array(arguments.length); + for (var i = 0; i < args.length; i++) { + args[i] = arguments[i]; + } + var ret = fn.apply(this, args); + var cb = args[args.length-1]; + if (typeof ret === 'function' && ret !== cb) { + Object.keys(cb).forEach(function (k) { + ret[k] = cb[k]; + }); + } + return ret + } +} + +var once_1 = wrappy_1(once); +var strict = wrappy_1(onceStrict); + +once.proto = once(function () { + Object.defineProperty(Function.prototype, 'once', { + value: function () { + return once(this) + }, + configurable: true + }); + + Object.defineProperty(Function.prototype, 'onceStrict', { + value: function () { + return onceStrict(this) + }, + configurable: true + }); +}); + +function once (fn) { + var f = function () { + if (f.called) return f.value + f.called = true; + return f.value = fn.apply(this, arguments) + }; + f.called = false; + return f +} + +function onceStrict (fn) { + var f = function () { + if (f.called) + throw new Error(f.onceError) + f.called = true; + return f.value = fn.apply(this, arguments) + }; + var name = fn.name || 'Function wrapped with `once`'; + f.onceError = name + " shouldn't be called more than once"; + f.called = false; + return f +} +once_1.strict = strict; + +var reqs = Object.create(null); + + +var inflight_1 = wrappy_1(inflight); + +function inflight (key, cb) { + if (reqs[key]) { + reqs[key].push(cb); + return null + } else { + reqs[key] = [cb]; + return makeres(key) + } +} + +function makeres (key) { + return once_1(function RES () { + var cbs = reqs[key]; + var len = cbs.length; + var args = slice$2(arguments); + + // XXX It's somewhat ambiguous whether a new callback added in this + // pass should be queued for later execution if something in the + // list of callbacks throws, or if it should just be discarded. + // However, it's such an edge case that it hardly matters, and either + // choice is likely as surprising as the other. + // As it happens, we do go ahead and schedule it for later execution. + try { + for (var i = 0; i < len; i++) { + cbs[i].apply(null, args); + } + } finally { + if (cbs.length > len) { + // added more in the interim. + // de-zalgo, just in case, but don't call again. + cbs.splice(0, len); + process.nextTick(function () { + RES.apply(null, args); + }); + } else { + delete reqs[key]; + } + } + }) +} + +function slice$2 (args) { + var length = args.length; + var array = []; + + for (var i = 0; i < length; i++) array[i] = args[i]; + return array +} + +// Approach: +// +// 1. Get the minimatch set +// 2. For each pattern in the set, PROCESS(pattern, false) +// 3. Store matches per-set, then uniq them +// +// PROCESS(pattern, inGlobStar) +// Get the first [n] items from pattern that are all strings +// Join these together. This is PREFIX. +// If there is no more remaining, then stat(PREFIX) and +// add to matches if it succeeds. END. +// +// If inGlobStar and PREFIX is symlink and points to dir +// set ENTRIES = [] +// else readdir(PREFIX) as ENTRIES +// If fail, END +// +// with ENTRIES +// If pattern[n] is GLOBSTAR +// // handle the case where the globstar match is empty +// // by pruning it out, and testing the resulting pattern +// PROCESS(pattern[0..n] + pattern[n+1 .. $], false) +// // handle other cases. +// for ENTRY in ENTRIES (not dotfiles) +// // attach globstar + tail onto the entry +// // Mark that this entry is a globstar match +// PROCESS(pattern[0..n] + ENTRY + pattern[n .. $], true) +// +// else // not globstar +// for ENTRY in ENTRIES (not dotfiles, unless pattern[n] is dot) +// Test ENTRY against pattern[n] +// If fails, continue +// If passes, PROCESS(pattern[0..n] + item + pattern[n+1 .. $]) +// +// Caveat: +// Cache all stats and readdirs results to minimize syscall. Since all +// we ever care about is existence and directory-ness, we can just keep +// `true` for files, and [children,...] for directories, or `false` for +// things that don't exist. + +var glob_1 = glob; + +var EE = events.EventEmitter; +var setopts$2 = common$2.setopts; +var ownProp$2 = common$2.ownProp; + + +var childrenIgnored$2 = common$2.childrenIgnored; +var isIgnored$2 = common$2.isIgnored; + + + +function glob (pattern, options, cb) { + if (typeof options === 'function') cb = options, options = {}; + if (!options) options = {}; + + if (options.sync) { + if (cb) + throw new TypeError('callback provided to sync glob') + return sync(pattern, options) + } + + return new Glob(pattern, options, cb) +} + +glob.sync = sync; +var GlobSync$1 = glob.GlobSync = sync.GlobSync; + +// old api surface +glob.glob = glob; + +function extend$2 (origin, add) { + if (add === null || typeof add !== 'object') { + return origin + } + + var keys = Object.keys(add); + var i = keys.length; + while (i--) { + origin[keys[i]] = add[keys[i]]; + } + return origin +} + +glob.hasMagic = function (pattern, options_) { + var options = extend$2({}, options_); + options.noprocess = true; + + var g = new Glob(pattern, options); + var set = g.minimatch.set; + + if (!pattern) + return false + + if (set.length > 1) + return true + + for (var j = 0; j < set[0].length; j++) { + if (typeof set[0][j] !== 'string') + return true + } + + return false +}; + +glob.Glob = Glob; +inherits(Glob, EE); +function Glob (pattern, options, cb) { + if (typeof options === 'function') { + cb = options; + options = null; + } + + if (options && options.sync) { + if (cb) + throw new TypeError('callback provided to sync glob') + return new GlobSync$1(pattern, options) + } + + if (!(this instanceof Glob)) + return new Glob(pattern, options, cb) + + setopts$2(this, pattern, options); + this._didRealPath = false; + + // process each pattern in the minimatch set + var n = this.minimatch.set.length; + + // The matches are stored as {: true,...} so that + // duplicates are automagically pruned. + // Later, we do an Object.keys() on these. + // Keep them as a list so we can fill in when nonull is set. + this.matches = new Array(n); + + if (typeof cb === 'function') { + cb = once_1(cb); + this.on('error', cb); + this.on('end', function (matches) { + cb(null, matches); + }); + } + + var self = this; + this._processing = 0; + + this._emitQueue = []; + this._processQueue = []; + this.paused = false; + + if (this.noprocess) + return this + + if (n === 0) + return done() + + var sync = true; + for (var i = 0; i < n; i ++) { + this._process(this.minimatch.set[i], i, false, done); + } + sync = false; + + function done () { + --self._processing; + if (self._processing <= 0) { + if (sync) { + process.nextTick(function () { + self._finish(); + }); + } else { + self._finish(); + } + } + } +} + +Glob.prototype._finish = function () { + assert(this instanceof Glob); + if (this.aborted) + return + + if (this.realpath && !this._didRealpath) + return this._realpath() + + common$2.finish(this); + this.emit('end', this.found); +}; + +Glob.prototype._realpath = function () { + if (this._didRealpath) + return + + this._didRealpath = true; + + var n = this.matches.length; + if (n === 0) + return this._finish() + + var self = this; + for (var i = 0; i < this.matches.length; i++) + this._realpathSet(i, next); + + function next () { + if (--n === 0) + self._finish(); + } +}; + +Glob.prototype._realpathSet = function (index, cb) { + var matchset = this.matches[index]; + if (!matchset) + return cb() + + var found = Object.keys(matchset); + var self = this; + var n = found.length; + + if (n === 0) + return cb() + + var set = this.matches[index] = Object.create(null); + found.forEach(function (p, i) { + // If there's a problem with the stat, then it means that + // one or more of the links in the realpath couldn't be + // resolved. just return the abs value in that case. + p = self._makeAbs(p); + fs_realpath.realpath(p, self.realpathCache, function (er, real) { + if (!er) + set[real] = true; + else if (er.syscall === 'stat') + set[p] = true; + else + self.emit('error', er); // srsly wtf right here + + if (--n === 0) { + self.matches[index] = set; + cb(); + } + }); + }); +}; + +Glob.prototype._mark = function (p) { + return common$2.mark(this, p) +}; + +Glob.prototype._makeAbs = function (f) { + return common$2.makeAbs(this, f) +}; + +Glob.prototype.abort = function () { + this.aborted = true; + this.emit('abort'); +}; + +Glob.prototype.pause = function () { + if (!this.paused) { + this.paused = true; + this.emit('pause'); + } +}; + +Glob.prototype.resume = function () { + if (this.paused) { + this.emit('resume'); + this.paused = false; + if (this._emitQueue.length) { + var eq = this._emitQueue.slice(0); + this._emitQueue.length = 0; + for (var i = 0; i < eq.length; i ++) { + var e = eq[i]; + this._emitMatch(e[0], e[1]); + } + } + if (this._processQueue.length) { + var pq = this._processQueue.slice(0); + this._processQueue.length = 0; + for (var i = 0; i < pq.length; i ++) { + var p = pq[i]; + this._processing--; + this._process(p[0], p[1], p[2], p[3]); + } + } + } +}; + +Glob.prototype._process = function (pattern, index, inGlobStar, cb) { + assert(this instanceof Glob); + assert(typeof cb === 'function'); + + if (this.aborted) + return + + this._processing++; + if (this.paused) { + this._processQueue.push([pattern, index, inGlobStar, cb]); + return + } + + //console.error('PROCESS %d', this._processing, pattern) + + // Get the first [n] parts of pattern that are all strings. + var n = 0; + while (typeof pattern[n] === 'string') { + n ++; + } + // now n is the index of the first one that is *not* a string. + + // see if there's anything else + var prefix; + switch (n) { + // if not, then this is rather simple + case pattern.length: + this._processSimple(pattern.join('/'), index, cb); + return + + case 0: + // pattern *starts* with some non-trivial item. + // going to readdir(cwd), but not include the prefix in matches. + prefix = null; + break + + default: + // pattern has some string bits in the front. + // whatever it starts with, whether that's 'absolute' like /foo/bar, + // or 'relative' like '../baz' + prefix = pattern.slice(0, n).join('/'); + break + } + + var remain = pattern.slice(n); + + // get the list of entries. + var read; + if (prefix === null) + read = '.'; + else if (pathIsAbsolute(prefix) || pathIsAbsolute(pattern.join('/'))) { + if (!prefix || !pathIsAbsolute(prefix)) + prefix = '/' + prefix; + read = prefix; + } else + read = prefix; + + var abs = this._makeAbs(read); + + //if ignored, skip _processing + if (childrenIgnored$2(this, read)) + return cb() + + var isGlobStar = remain[0] === minimatch_1.GLOBSTAR; + if (isGlobStar) + this._processGlobStar(prefix, read, abs, remain, index, inGlobStar, cb); + else + this._processReaddir(prefix, read, abs, remain, index, inGlobStar, cb); +}; + +Glob.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar, cb) { + var self = this; + this._readdir(abs, inGlobStar, function (er, entries) { + return self._processReaddir2(prefix, read, abs, remain, index, inGlobStar, entries, cb) + }); +}; + +Glob.prototype._processReaddir2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) { + + // if the abs isn't a dir, then nothing can match! + if (!entries) + return cb() + + // It will only match dot entries if it starts with a dot, or if + // dot is set. Stuff like @(.foo|.bar) isn't allowed. + var pn = remain[0]; + var negate = !!this.minimatch.negate; + var rawGlob = pn._glob; + var dotOk = this.dot || rawGlob.charAt(0) === '.'; + + var matchedEntries = []; + for (var i = 0; i < entries.length; i++) { + var e = entries[i]; + if (e.charAt(0) !== '.' || dotOk) { + var m; + if (negate && !prefix) { + m = !e.match(pn); + } else { + m = e.match(pn); + } + if (m) + matchedEntries.push(e); + } + } + + //console.error('prd2', prefix, entries, remain[0]._glob, matchedEntries) + + var len = matchedEntries.length; + // If there are no matched entries, then nothing matches. + if (len === 0) + return cb() + + // if this is the last remaining pattern bit, then no need for + // an additional stat *unless* the user has specified mark or + // stat explicitly. We know they exist, since readdir returned + // them. + + if (remain.length === 1 && !this.mark && !this.stat) { + if (!this.matches[index]) + this.matches[index] = Object.create(null); + + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i]; + if (prefix) { + if (prefix !== '/') + e = prefix + '/' + e; + else + e = prefix + e; + } + + if (e.charAt(0) === '/' && !this.nomount) { + e = path$1.join(this.root, e); + } + this._emitMatch(index, e); + } + // This was the last one, and no stats were needed + return cb() + } + + // now test all matched entries as stand-ins for that part + // of the pattern. + remain.shift(); + for (var i = 0; i < len; i ++) { + var e = matchedEntries[i]; + if (prefix) { + if (prefix !== '/') + e = prefix + '/' + e; + else + e = prefix + e; + } + this._process([e].concat(remain), index, inGlobStar, cb); + } + cb(); +}; + +Glob.prototype._emitMatch = function (index, e) { + if (this.aborted) + return + + if (isIgnored$2(this, e)) + return + + if (this.paused) { + this._emitQueue.push([index, e]); + return + } + + var abs = pathIsAbsolute(e) ? e : this._makeAbs(e); + + if (this.mark) + e = this._mark(e); + + if (this.absolute) + e = abs; + + if (this.matches[index][e]) + return + + if (this.nodir) { + var c = this.cache[abs]; + if (c === 'DIR' || Array.isArray(c)) + return + } + + this.matches[index][e] = true; + + var st = this.statCache[abs]; + if (st) + this.emit('stat', e, st); + + this.emit('match', e); +}; + +Glob.prototype._readdirInGlobStar = function (abs, cb) { + if (this.aborted) + return + + // follow all symlinked directories forever + // just proceed as if this is a non-globstar situation + if (this.follow) + return this._readdir(abs, false, cb) + + var lstatkey = 'lstat\0' + abs; + var self = this; + var lstatcb = inflight_1(lstatkey, lstatcb_); + + if (lstatcb) + fs$1.lstat(abs, lstatcb); + + function lstatcb_ (er, lstat) { + if (er && er.code === 'ENOENT') + return cb() + + var isSym = lstat && lstat.isSymbolicLink(); + self.symlinks[abs] = isSym; + + // If it's not a symlink or a dir, then it's definitely a regular file. + // don't bother doing a readdir in that case. + if (!isSym && lstat && !lstat.isDirectory()) { + self.cache[abs] = 'FILE'; + cb(); + } else + self._readdir(abs, false, cb); + } +}; + +Glob.prototype._readdir = function (abs, inGlobStar, cb) { + if (this.aborted) + return + + cb = inflight_1('readdir\0'+abs+'\0'+inGlobStar, cb); + if (!cb) + return + + //console.error('RD %j %j', +inGlobStar, abs) + if (inGlobStar && !ownProp$2(this.symlinks, abs)) + return this._readdirInGlobStar(abs, cb) + + if (ownProp$2(this.cache, abs)) { + var c = this.cache[abs]; + if (!c || c === 'FILE') + return cb() + + if (Array.isArray(c)) + return cb(null, c) + } + fs$1.readdir(abs, readdirCb(this, abs, cb)); +}; + +function readdirCb (self, abs, cb) { + return function (er, entries) { + if (er) + self._readdirError(abs, er, cb); + else + self._readdirEntries(abs, entries, cb); + } +} + +Glob.prototype._readdirEntries = function (abs, entries, cb) { + if (this.aborted) + return + + // if we haven't asked to stat everything, then just + // assume that everything in there exists, so we can avoid + // having to stat it a second time. + if (!this.mark && !this.stat) { + for (var i = 0; i < entries.length; i ++) { + var e = entries[i]; + if (abs === '/') + e = abs + e; + else + e = abs + '/' + e; + this.cache[e] = true; + } + } + + this.cache[abs] = entries; + return cb(null, entries) +}; + +Glob.prototype._readdirError = function (f, er, cb) { + if (this.aborted) + return + + // handle errors, and cache the information + switch (er.code) { + case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205 + case 'ENOTDIR': // totally normal. means it *does* exist. + var abs = this._makeAbs(f); + this.cache[abs] = 'FILE'; + if (abs === this.cwdAbs) { + var error = new Error(er.code + ' invalid cwd ' + this.cwd); + error.path = this.cwd; + error.code = er.code; + this.emit('error', error); + this.abort(); + } + break + + case 'ENOENT': // not terribly unusual + case 'ELOOP': + case 'ENAMETOOLONG': + case 'UNKNOWN': + this.cache[this._makeAbs(f)] = false; + break + + default: // some unusual error. Treat as failure. + this.cache[this._makeAbs(f)] = false; + if (this.strict) { + this.emit('error', er); + // If the error is handled, then we abort + // if not, we threw out of here + this.abort(); + } + if (!this.silent) + console.error('glob error', er); + break + } + + return cb() +}; + +Glob.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar, cb) { + var self = this; + this._readdir(abs, inGlobStar, function (er, entries) { + self._processGlobStar2(prefix, read, abs, remain, index, inGlobStar, entries, cb); + }); +}; + + +Glob.prototype._processGlobStar2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) { + //console.error('pgs2', prefix, remain[0], entries) + + // no entries means not a dir, so it can never have matches + // foo.txt/** doesn't match foo.txt + if (!entries) + return cb() + + // test without the globstar, and with every child both below + // and replacing the globstar. + var remainWithoutGlobStar = remain.slice(1); + var gspref = prefix ? [ prefix ] : []; + var noGlobStar = gspref.concat(remainWithoutGlobStar); + + // the noGlobStar pattern exits the inGlobStar state + this._process(noGlobStar, index, false, cb); + + var isSym = this.symlinks[abs]; + var len = entries.length; + + // If it's a symlink, and we're in a globstar, then stop + if (isSym && inGlobStar) + return cb() + + for (var i = 0; i < len; i++) { + var e = entries[i]; + if (e.charAt(0) === '.' && !this.dot) + continue + + // these two cases enter the inGlobStar state + var instead = gspref.concat(entries[i], remainWithoutGlobStar); + this._process(instead, index, true, cb); + + var below = gspref.concat(entries[i], remain); + this._process(below, index, true, cb); + } + + cb(); +}; + +Glob.prototype._processSimple = function (prefix, index, cb) { + // XXX review this. Shouldn't it be doing the mounting etc + // before doing stat? kinda weird? + var self = this; + this._stat(prefix, function (er, exists) { + self._processSimple2(prefix, index, er, exists, cb); + }); +}; +Glob.prototype._processSimple2 = function (prefix, index, er, exists, cb) { + + //console.error('ps2', prefix, exists) + + if (!this.matches[index]) + this.matches[index] = Object.create(null); + + // If it doesn't exist, then just mark the lack of results + if (!exists) + return cb() + + if (prefix && pathIsAbsolute(prefix) && !this.nomount) { + var trail = /[\/\\]$/.test(prefix); + if (prefix.charAt(0) === '/') { + prefix = path$1.join(this.root, prefix); + } else { + prefix = path$1.resolve(this.root, prefix); + if (trail) + prefix += '/'; + } + } + + if (process.platform === 'win32') + prefix = prefix.replace(/\\/g, '/'); + + // Mark this as a match + this._emitMatch(index, prefix); + cb(); +}; + +// Returns either 'DIR', 'FILE', or false +Glob.prototype._stat = function (f, cb) { + var abs = this._makeAbs(f); + var needDir = f.slice(-1) === '/'; + + if (f.length > this.maxLength) + return cb() + + if (!this.stat && ownProp$2(this.cache, abs)) { + var c = this.cache[abs]; + + if (Array.isArray(c)) + c = 'DIR'; + + // It exists, but maybe not how we need it + if (!needDir || c === 'DIR') + return cb(null, c) + + if (needDir && c === 'FILE') + return cb() + + // otherwise we have to stat, because maybe c=true + // if we know it exists, but not what it is. + } + var stat = this.statCache[abs]; + if (stat !== undefined) { + if (stat === false) + return cb(null, stat) + else { + var type = stat.isDirectory() ? 'DIR' : 'FILE'; + if (needDir && type === 'FILE') + return cb() + else + return cb(null, type, stat) + } + } + + var self = this; + var statcb = inflight_1('stat\0' + abs, lstatcb_); + if (statcb) + fs$1.lstat(abs, statcb); + + function lstatcb_ (er, lstat) { + if (lstat && lstat.isSymbolicLink()) { + // If it's a symlink, then treat it as the target, unless + // the target does not exist, then treat it as a file. + return fs$1.stat(abs, function (er, stat) { + if (er) + self._stat2(f, abs, null, lstat, cb); + else + self._stat2(f, abs, er, stat, cb); + }) + } else { + self._stat2(f, abs, er, lstat, cb); + } + } +}; + +Glob.prototype._stat2 = function (f, abs, er, stat, cb) { + if (er && (er.code === 'ENOENT' || er.code === 'ENOTDIR')) { + this.statCache[abs] = false; + return cb() + } + + var needDir = f.slice(-1) === '/'; + this.statCache[abs] = stat; + + if (abs.slice(-1) === '/' && stat && !stat.isDirectory()) + return cb(null, false, stat) + + var c = true; + if (stat) + c = stat.isDirectory() ? 'DIR' : 'FILE'; + this.cache[abs] = this.cache[abs] || c; + + if (needDir && c === 'FILE') + return cb() + + return cb(null, c, stat) +}; + +/*! + * Determine if an object is a Buffer + * + * @author Feross Aboukhadijeh + * @license MIT + */ + +var isBuffer = function isBuffer (obj) { + return obj != null && obj.constructor != null && + typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj) +}; + +var own = {}.hasOwnProperty; + +var unistUtilStringifyPosition = stringify; + +function stringify(value) { + // Nothing. + if (!value || typeof value !== 'object') { + return '' + } + + // Node. + if (own.call(value, 'position') || own.call(value, 'type')) { + return position(value.position) + } + + // Position. + if (own.call(value, 'start') || own.call(value, 'end')) { + return position(value) + } + + // Point. + if (own.call(value, 'line') || own.call(value, 'column')) { + return point(value) + } + + // ? + return '' +} + +function point(point) { + if (!point || typeof point !== 'object') { + point = {}; + } + + return index(point.line) + ':' + index(point.column) +} + +function position(pos) { + if (!pos || typeof pos !== 'object') { + pos = {}; + } + + return point(pos.start) + '-' + point(pos.end) +} + +function index(value) { + return value && typeof value === 'number' ? value : 1 +} + +var vfileMessage = VMessage; + +// Inherit from `Error#`. +function VMessagePrototype() {} +VMessagePrototype.prototype = Error.prototype; +VMessage.prototype = new VMessagePrototype(); + +// Message properties. +var proto = VMessage.prototype; + +proto.file = ''; +proto.name = ''; +proto.reason = ''; +proto.message = ''; +proto.stack = ''; +proto.fatal = null; +proto.column = null; +proto.line = null; + +// Construct a new VMessage. +// +// Note: We cannot invoke `Error` on the created context, as that adds readonly +// `line` and `column` attributes on Safari 9, thus throwing and failing the +// data. +function VMessage(reason, position, origin) { + var parts; + var range; + var location; + + if (typeof position === 'string') { + origin = position; + position = null; + } + + parts = parseOrigin(origin); + range = unistUtilStringifyPosition(position) || '1:1'; + + location = { + start: {line: null, column: null}, + end: {line: null, column: null} + }; + + // Node. + if (position && position.position) { + position = position.position; + } + + if (position) { + // Position. + if (position.start) { + location = position; + position = position.start; + } else { + // Point. + location.start = position; + } + } + + if (reason.stack) { + this.stack = reason.stack; + reason = reason.message; + } + + this.message = reason; + this.name = range; + this.reason = reason; + this.line = position ? position.line : null; + this.column = position ? position.column : null; + this.location = location; + this.source = parts[0]; + this.ruleId = parts[1]; +} + +function parseOrigin(origin) { + var result = [null, null]; + var index; + + if (typeof origin === 'string') { + index = origin.indexOf(':'); + + if (index === -1) { + result[1] = origin; + } else { + result[0] = origin.slice(0, index); + result[1] = origin.slice(index + 1); + } + } + + return result +} + +function replaceExt(npath, ext) { + if (typeof npath !== 'string') { + return npath; + } + + if (npath.length === 0) { + return npath; + } + + var nFileName = path$1.basename(npath, path$1.extname(npath)) + ext; + return path$1.join(path$1.dirname(npath), nFileName); +} + +var replaceExt_1 = replaceExt; + +var core$1 = VFile; + +var own$1 = {}.hasOwnProperty; +var proto$1 = VFile.prototype; + +// Order of setting (least specific to most), we need this because otherwise +// `{stem: 'a', path: '~/b.js'}` would throw, as a path is needed before a +// stem can be set. +var order = ['history', 'path', 'basename', 'stem', 'extname', 'dirname']; + +proto$1.toString = toString$1; + +// Access full path (`~/index.min.js`). +Object.defineProperty(proto$1, 'path', {get: getPath, set: setPath}); + +// Access parent path (`~`). +Object.defineProperty(proto$1, 'dirname', {get: getDirname, set: setDirname}); + +// Access basename (`index.min.js`). +Object.defineProperty(proto$1, 'basename', {get: getBasename, set: setBasename}); + +// Access extname (`.js`). +Object.defineProperty(proto$1, 'extname', {get: getExtname, set: setExtname}); + +// Access stem (`index.min`). +Object.defineProperty(proto$1, 'stem', {get: getStem, set: setStem}); + +// Construct a new file. +function VFile(options) { + var prop; + var index; + var length; + + if (!options) { + options = {}; + } else if (typeof options === 'string' || isBuffer(options)) { + options = {contents: options}; + } else if ('message' in options && 'messages' in options) { + return options + } + + if (!(this instanceof VFile)) { + return new VFile(options) + } + + this.data = {}; + this.messages = []; + this.history = []; + this.cwd = process.cwd(); + + // Set path related properties in the correct order. + index = -1; + length = order.length; + + while (++index < length) { + prop = order[index]; + + if (own$1.call(options, prop)) { + this[prop] = options[prop]; + } + } + + // Set non-path related properties. + for (prop in options) { + if (order.indexOf(prop) === -1) { + this[prop] = options[prop]; + } + } +} + +function getPath() { + return this.history[this.history.length - 1] +} + +function setPath(path) { + assertNonEmpty(path, 'path'); + + if (path !== this.path) { + this.history.push(path); + } +} + +function getDirname() { + return typeof this.path === 'string' ? path$1.dirname(this.path) : undefined +} + +function setDirname(dirname) { + assertPath(this.path, 'dirname'); + this.path = path$1.join(dirname || '', this.basename); +} + +function getBasename() { + return typeof this.path === 'string' ? path$1.basename(this.path) : undefined +} + +function setBasename(basename) { + assertNonEmpty(basename, 'basename'); + assertPart(basename, 'basename'); + this.path = path$1.join(this.dirname || '', basename); +} + +function getExtname() { + return typeof this.path === 'string' ? path$1.extname(this.path) : undefined +} + +function setExtname(extname) { + var ext = extname || ''; + + assertPart(ext, 'extname'); + assertPath(this.path, 'extname'); + + if (ext) { + if (ext.charAt(0) !== '.') { + throw new Error('`extname` must start with `.`') + } + + if (ext.indexOf('.', 1) !== -1) { + throw new Error('`extname` cannot contain multiple dots') + } + } + + this.path = replaceExt_1(this.path, ext); +} + +function getStem() { + return typeof this.path === 'string' + ? path$1.basename(this.path, this.extname) + : undefined +} + +function setStem(stem) { + assertNonEmpty(stem, 'stem'); + assertPart(stem, 'stem'); + this.path = path$1.join(this.dirname || '', stem + (this.extname || '')); +} + +// Get the value of the file. +function toString$1(encoding) { + var value = this.contents || ''; + return isBuffer(value) ? value.toString(encoding) : String(value) +} + +// Assert that `part` is not a path (i.e., does not contain `path.sep`). +function assertPart(part, name) { + if (part.indexOf(path$1.sep) !== -1) { + throw new Error( + '`' + name + '` cannot be a path: did not expect `' + path$1.sep + '`' + ) + } +} + +// Assert that `part` is not empty. +function assertNonEmpty(part, name) { + if (!part) { + throw new Error('`' + name + '` cannot be empty') + } +} + +// Assert `path` exists. +function assertPath(path, name) { + if (!path) { + throw new Error('Setting `' + name + '` requires `path` to be set too') + } +} + +var vfile = core$1; + +var proto$2 = core$1.prototype; + +proto$2.message = message; +proto$2.info = info; +proto$2.fail = fail; + +// Create a message with `reason` at `position`. +// When an error is passed in as `reason`, copies the stack. +function message(reason, position, origin) { + var filePath = this.path; + var message = new vfileMessage(reason, position, origin); + + if (filePath) { + message.name = filePath + ':' + message.name; + message.file = filePath; + } + + message.fatal = false; + + this.messages.push(message); + + return message +} + +// Fail: creates a vmessage, associates it with the file, and throws it. +function fail() { + var message = this.message.apply(this, arguments); + + message.fatal = true; + + throw message +} + +// Info: creates a vmessage, associates it with the file, and marks the fatality +// as null. +function info() { + var message = this.message.apply(this, arguments); + + message.fatal = null; + + return message +} + +var core$2 = toVFile; + +// Create a virtual file from a description. If `options` is a string or a +// buffer, it’s used as the path. In all other cases, the options are passed +// through to `vfile()`. +function toVFile(options) { + if (typeof options === 'string' || isBuffer(options)) { + options = {path: String(options)}; + } + + return vfile(options) +} + +var read$1 = readSync; +var write = writeSync; + +// Create a virtual file and read it in, synchronously. +function readSync(description, options) { + var file = core$2(description); + file.contents = fs$1.readFileSync(path$1.resolve(file.cwd, file.path), options); + return file +} + +// Create a virtual file and write it out, synchronously. +function writeSync(description, options) { + var file = core$2(description); + fs$1.writeFileSync( + path$1.resolve(file.cwd, file.path), + file.contents || '', + options + ); +} + +var sync$1 = { + read: read$1, + write: write +}; + +var read_1 = read$2; +var write_1 = write$1; + +// Create a virtual file and read it in, asynchronously. +function read$2(description, options, callback) { + var file = core$2(description); + + if (!callback && typeof options === 'function') { + callback = options; + options = null; + } + + if (!callback) { + return new Promise(executor) + } + + executor(resolve, callback); + + function resolve(result) { + callback(null, result); + } + + function executor(resolve, reject) { + var fp; + + try { + fp = path$1.resolve(file.cwd, file.path); + } catch (error) { + return reject(error) + } + + fs$1.readFile(fp, options, done); + + function done(error, res) { + if (error) { + reject(error); + } else { + file.contents = res; + resolve(file); + } + } + } +} + +// Create a virtual file and write it out, asynchronously. +function write$1(description, options, callback) { + var file = core$2(description); + + // Weird, right? Otherwise `fs` doesn’t accept it. + if (!callback && typeof options === 'function') { + callback = options; + options = undefined; + } + + if (!callback) { + return new Promise(executor) + } + + executor(resolve, callback); + + function resolve(result) { + callback(null, result); + } + + function executor(resolve, reject) { + var fp; + + try { + fp = path$1.resolve(file.cwd, file.path); + } catch (error) { + return reject(error) + } + + fs$1.writeFile(fp, file.contents || '', options, done); + + function done(error) { + if (error) { + reject(error); + } else { + resolve(); + } + } + } +} + +var async = { + read: read_1, + write: write_1 +}; + +var fs = core$2; + +core$2.read = async.read; +core$2.readSync = sync$1.read; +core$2.write = async.write; +core$2.writeSync = sync$1.write; + +var toVfile = fs; + +var isHidden = hidden; + +function hidden(filename) { + if (typeof filename !== 'string') { + throw new Error('Expected string') + } + + return filename.charAt(0) === '.' +} + +var readdir = fs$1.readdir; +var stat = fs$1.stat; +var join$2 = path$1.join; +var relative$2 = path$1.relative; +var resolve$3 = path$1.resolve; +var basename = path$1.basename; +var extname = path$1.extname; +var magic = glob_1.hasMagic; + +var finder = find; + +// Search `patterns`, a mix of globs, paths, and files. +function find(input, options, callback) { + expand$1(input, options, done); + + function done(error, result) { + /* istanbul ignore if - glob errors are unusual. + * other errors are on the vfile results. */ + if (error) { + callback(error); + } else { + callback(null, {oneFileMode: oneFileMode(result), files: result.output}); + } + } +} + +// Expand the given glob patterns, search given and found directories, and map +// to vfiles. +function expand$1(input, options, next) { + var cwd = options.cwd; + var paths = []; + var actual = 0; + var expected = 0; + var failed; + + input.forEach(each); + + if (!expected) { + search(paths, options, done); + } + + function each(file) { + if (xIsString(file)) { + if (magic(file)) { + expected++; + glob_1(file, {cwd: cwd}, one); + } else { + // `relative` to make the paths canonical. + file = relative$2(cwd, resolve$3(cwd, file)) || '.'; + paths.push(file); + } + } else { + file.cwd = cwd; + file.path = relative$2(cwd, file.path); + file.history = [file.path]; + paths.push(file); + } + } + + function one(error, files) { + /* istanbul ignore if - Glob errors are unusual. */ + if (failed) { + return + } + + /* istanbul ignore if - Glob errors are unusual. */ + if (error) { + failed = true; + done(error); + } else { + actual++; + paths = paths.concat(files); + + if (actual === expected) { + search(paths, options, done); + } + } + } + + function done(error, files) { + /* istanbul ignore if - `search` currently does not give errors. */ + if (error) { + next(error); + } else { + next(null, {input: paths, output: files}); + } + } +} + +// Search `paths`. +function search(input, options, next) { + var cwd = options.cwd; + var silent = options.silentlyIgnore; + var nested = options.nested; + var extensions = options.extensions; + var extraIgnore = ignore().add(options.ignorePatterns); + var files = []; + var expected = 0; + var actual = 0; + + input.forEach(each); + + if (!expected) { + next(null, files); + } + + return each + + function each(file) { + var ext = xIsString(file) ? extname(file) : file.extname; + var part; + + // Normalise globs. + if (xIsString(file)) { + file = file.split('/').join(path$1.sep); + } + + part = base(file); + + if (nested && (isHidden(part) || part === 'node_modules')) { + return + } + + expected++; + + statAndIgnore(file, immutable(options, {extraIgnore: extraIgnore}), handle); + + function handle(error, result) { + var ignored = result && result.ignored; + var dir = result && result.stats && result.stats.isDirectory(); + + if (ignored && (nested || silent)) { + return one(null, []) + } + + if (!ignored && dir) { + return readdir(resolve$3(cwd, filePath(file)), directory) + } + + if ( + nested && + !dir && + extensions.length !== 0 && + extensions.indexOf(ext) === -1 + ) { + return one(null, []) + } + + file = toVfile(file); + file.cwd = cwd; + + if (ignored) { + try { + file.fail('Cannot process specified file: it’s ignored'); + } catch (error2) {} + } + + if (error && error.code === 'ENOENT') { + try { + file.fail( + error.syscall === 'stat' ? 'No such file or directory' : error + ); + } catch (error2) {} + } + + one(null, [file]); + } + + function directory(error, basenames) { + var file; + + /* istanbul ignore if - Should not happen often: the directory is `stat`ed + * first, which was ok, but reading it is not. */ + if (error) { + file = toVfile(filePath(file)); + file.cwd = cwd; + + try { + file.fail('Cannot read directory'); + } catch (error2) {} + + one(null, [file]); + } else { + search(basenames.map(concat), immutable(options, {nested: true}), one); + } + } + + // Error is never given. Always given `results`. + function one(_, results) { + /* istanbul ignore else - Always given. */ + if (results) { + files = files.concat(results); + } + + actual++; + + if (actual === expected) { + next(null, files); + } + } + + function concat(value) { + return join$2(filePath(file), value) + } + } +} + +function statAndIgnore(file, options, callback) { + var ignore = options.ignore; + var extraIgnore = options.extraIgnore; + var fp = resolve$3(options.cwd, filePath(file)); + var normal = relative$2(options.cwd, fp); + var expected = 1; + var actual = 0; + var stats; + var ignored; + + if (!file.contents) { + expected++; + stat(fp, handleStat); + } + + ignore.check(fp, handleIgnore); + + function handleStat(error, value) { + stats = value; + one(error); + } + + function handleIgnore(error, value) { + ignored = value; + one(error); + } + + function one(error) { + actual++; + + if (error) { + callback(error); + actual = -1; + } else if (actual === expected) { + callback(null, { + stats: stats, + ignored: ignored || (normal ? extraIgnore.ignores(normal) : false) + }); + } + } +} + +function base(file) { + return xIsString(file) ? basename(file) : file.basename +} + +function filePath(file) { + return xIsString(file) ? file : file.path +} + +function oneFileMode(result) { + return ( + result.output.length === 1 && + result.input.length === 1 && + result.output[0].path === result.input[0] + ) +} + +var fileSystem_1 = fileSystem; + +// Find files from the file-system. +function fileSystem(context, settings, next) { + var input = context.files; + + if (input.length === 0) { + next(); + } else { + finder( + input, + { + cwd: settings.cwd, + extensions: settings.extensions, + silentlyIgnore: settings.silentlyIgnore, + ignorePatterns: settings.ignorePatterns, + ignore: new ignore$1({ + cwd: settings.cwd, + detectIgnore: settings.detectIgnore, + ignoreName: settings.ignoreName, + ignorePath: settings.ignorePath + }) + }, + onfound + ); + } + + function onfound(error, result) { + var output = result.files; + + // Sort alphabetically. + // Everything is unique so we do not care about cases where left and right + // are equal. + output.sort(sortAlphabetically); + + // Mark as given. + // This allows outputting files, which can be pretty dangerous, so it’s + // “hidden”. + output.forEach(markAsGiven); + + context.files = output; + + // If `out` was not set, detect it based on whether one file was given. + if (settings.out === null || settings.out === undefined) { + settings.out = result.oneFileMode; + } + + next(error); + } + + function markAsGiven(file) { + file.data.unifiedEngineGiven = true; + } + + function sortAlphabetically(left, right) { + return left.path < right.path ? -1 : 1 + } +} + +var toString$2 = Object.prototype.toString; + +var isModern = ( + typeof Buffer.alloc === 'function' && + typeof Buffer.allocUnsafe === 'function' && + typeof Buffer.from === 'function' +); + +function isArrayBuffer (input) { + return toString$2.call(input).slice(8, -1) === 'ArrayBuffer' +} + +function fromArrayBuffer (obj, byteOffset, length) { + byteOffset >>>= 0; + + var maxLength = obj.byteLength - byteOffset; + + if (maxLength < 0) { + throw new RangeError("'offset' is out of bounds") + } + + if (length === undefined) { + length = maxLength; + } else { + length >>>= 0; + + if (length > maxLength) { + throw new RangeError("'length' is out of bounds") + } + } + + return isModern + ? Buffer.from(obj.slice(byteOffset, byteOffset + length)) + : new Buffer(new Uint8Array(obj.slice(byteOffset, byteOffset + length))) +} + +function fromString (string, encoding) { + if (typeof encoding !== 'string' || encoding === '') { + encoding = 'utf8'; + } + + if (!Buffer.isEncoding(encoding)) { + throw new TypeError('"encoding" must be a valid string encoding') + } + + return isModern + ? Buffer.from(string, encoding) + : new Buffer(string, encoding) +} + +function bufferFrom (value, encodingOrOffset, length) { + if (typeof value === 'number') { + throw new TypeError('"value" argument must not be a number') + } + + if (isArrayBuffer(value)) { + return fromArrayBuffer(value, encodingOrOffset, length) + } + + if (typeof value === 'string') { + return fromString(value, encodingOrOffset) + } + + return isModern + ? Buffer.from(value) + : new Buffer(value) +} + +var bufferFrom_1 = bufferFrom; + +var typedarray = createCommonjsModule(function (module, exports) { +var undefined$1 = (void 0); // Paranoia + +// Beyond this value, index getters/setters (i.e. array[0], array[1]) are so slow to +// create, and consume so much memory, that the browser appears frozen. +var MAX_ARRAY_LENGTH = 1e5; + +// Approximations of internal ECMAScript conversion functions +var ECMAScript = (function() { + // Stash a copy in case other scripts modify these + var opts = Object.prototype.toString, + ophop = Object.prototype.hasOwnProperty; + + return { + // Class returns internal [[Class]] property, used to avoid cross-frame instanceof issues: + Class: function(v) { return opts.call(v).replace(/^\[object *|\]$/g, ''); }, + HasProperty: function(o, p) { return p in o; }, + HasOwnProperty: function(o, p) { return ophop.call(o, p); }, + IsCallable: function(o) { return typeof o === 'function'; }, + ToInt32: function(v) { return v >> 0; }, + ToUint32: function(v) { return v >>> 0; } + }; +}()); + +// Snapshot intrinsics +var LN2 = Math.LN2, + abs = Math.abs, + floor = Math.floor, + log = Math.log, + min = Math.min, + pow = Math.pow, + round = Math.round; + +// ES5: lock down object properties +function configureProperties(obj) { + if (getOwnPropNames && defineProp) { + var props = getOwnPropNames(obj), i; + for (i = 0; i < props.length; i += 1) { + defineProp(obj, props[i], { + value: obj[props[i]], + writable: false, + enumerable: false, + configurable: false + }); + } + } +} + +// emulate ES5 getter/setter API using legacy APIs +// http://blogs.msdn.com/b/ie/archive/2010/09/07/transitioning-existing-code-to-the-es5-getter-setter-apis.aspx +// (second clause tests for Object.defineProperty() in IE<9 that only supports extending DOM prototypes, but +// note that IE<9 does not support __defineGetter__ or __defineSetter__ so it just renders the method harmless) +var defineProp; +if (Object.defineProperty && (function() { + try { + Object.defineProperty({}, 'x', {}); + return true; + } catch (e) { + return false; + } + })()) { + defineProp = Object.defineProperty; +} else { + defineProp = function(o, p, desc) { + if (!o === Object(o)) throw new TypeError("Object.defineProperty called on non-object"); + if (ECMAScript.HasProperty(desc, 'get') && Object.prototype.__defineGetter__) { Object.prototype.__defineGetter__.call(o, p, desc.get); } + if (ECMAScript.HasProperty(desc, 'set') && Object.prototype.__defineSetter__) { Object.prototype.__defineSetter__.call(o, p, desc.set); } + if (ECMAScript.HasProperty(desc, 'value')) { o[p] = desc.value; } + return o; + }; +} + +var getOwnPropNames = Object.getOwnPropertyNames || function (o) { + if (o !== Object(o)) throw new TypeError("Object.getOwnPropertyNames called on non-object"); + var props = [], p; + for (p in o) { + if (ECMAScript.HasOwnProperty(o, p)) { + props.push(p); + } + } + return props; +}; + +// ES5: Make obj[index] an alias for obj._getter(index)/obj._setter(index, value) +// for index in 0 ... obj.length +function makeArrayAccessors(obj) { + if (!defineProp) { return; } + + if (obj.length > MAX_ARRAY_LENGTH) throw new RangeError("Array too large for polyfill"); + + function makeArrayAccessor(index) { + defineProp(obj, index, { + 'get': function() { return obj._getter(index); }, + 'set': function(v) { obj._setter(index, v); }, + enumerable: true, + configurable: false + }); + } + + var i; + for (i = 0; i < obj.length; i += 1) { + makeArrayAccessor(i); + } +} + +// Internal conversion functions: +// pack() - take a number (interpreted as Type), output a byte array +// unpack() - take a byte array, output a Type-like number + +function as_signed(value, bits) { var s = 32 - bits; return (value << s) >> s; } +function as_unsigned(value, bits) { var s = 32 - bits; return (value << s) >>> s; } + +function packI8(n) { return [n & 0xff]; } +function unpackI8(bytes) { return as_signed(bytes[0], 8); } + +function packU8(n) { return [n & 0xff]; } +function unpackU8(bytes) { return as_unsigned(bytes[0], 8); } + +function packU8Clamped(n) { n = round(Number(n)); return [n < 0 ? 0 : n > 0xff ? 0xff : n & 0xff]; } + +function packI16(n) { return [(n >> 8) & 0xff, n & 0xff]; } +function unpackI16(bytes) { return as_signed(bytes[0] << 8 | bytes[1], 16); } + +function packU16(n) { return [(n >> 8) & 0xff, n & 0xff]; } +function unpackU16(bytes) { return as_unsigned(bytes[0] << 8 | bytes[1], 16); } + +function packI32(n) { return [(n >> 24) & 0xff, (n >> 16) & 0xff, (n >> 8) & 0xff, n & 0xff]; } +function unpackI32(bytes) { return as_signed(bytes[0] << 24 | bytes[1] << 16 | bytes[2] << 8 | bytes[3], 32); } + +function packU32(n) { return [(n >> 24) & 0xff, (n >> 16) & 0xff, (n >> 8) & 0xff, n & 0xff]; } +function unpackU32(bytes) { return as_unsigned(bytes[0] << 24 | bytes[1] << 16 | bytes[2] << 8 | bytes[3], 32); } + +function packIEEE754(v, ebits, fbits) { + + var bias = (1 << (ebits - 1)) - 1, + s, e, f, i, bits, str, bytes; + + function roundToEven(n) { + var w = floor(n), f = n - w; + if (f < 0.5) + return w; + if (f > 0.5) + return w + 1; + return w % 2 ? w + 1 : w; + } + + // Compute sign, exponent, fraction + if (v !== v) { + // NaN + // http://dev.w3.org/2006/webapi/WebIDL/#es-type-mapping + e = (1 << ebits) - 1; f = pow(2, fbits - 1); s = 0; + } else if (v === Infinity || v === -Infinity) { + e = (1 << ebits) - 1; f = 0; s = (v < 0) ? 1 : 0; + } else if (v === 0) { + e = 0; f = 0; s = (1 / v === -Infinity) ? 1 : 0; + } else { + s = v < 0; + v = abs(v); + + if (v >= pow(2, 1 - bias)) { + e = min(floor(log(v) / LN2), 1023); + f = roundToEven(v / pow(2, e) * pow(2, fbits)); + if (f / pow(2, fbits) >= 2) { + e = e + 1; + f = 1; + } + if (e > bias) { + // Overflow + e = (1 << ebits) - 1; + f = 0; + } else { + // Normalized + e = e + bias; + f = f - pow(2, fbits); + } + } else { + // Denormalized + e = 0; + f = roundToEven(v / pow(2, 1 - bias - fbits)); + } + } + + // Pack sign, exponent, fraction + bits = []; + for (i = fbits; i; i -= 1) { bits.push(f % 2 ? 1 : 0); f = floor(f / 2); } + for (i = ebits; i; i -= 1) { bits.push(e % 2 ? 1 : 0); e = floor(e / 2); } + bits.push(s ? 1 : 0); + bits.reverse(); + str = bits.join(''); + + // Bits to bytes + bytes = []; + while (str.length) { + bytes.push(parseInt(str.substring(0, 8), 2)); + str = str.substring(8); + } + return bytes; +} + +function unpackIEEE754(bytes, ebits, fbits) { + + // Bytes to bits + var bits = [], i, j, b, str, + bias, s, e, f; + + for (i = bytes.length; i; i -= 1) { + b = bytes[i - 1]; + for (j = 8; j; j -= 1) { + bits.push(b % 2 ? 1 : 0); b = b >> 1; + } + } + bits.reverse(); + str = bits.join(''); + + // Unpack sign, exponent, fraction + bias = (1 << (ebits - 1)) - 1; + s = parseInt(str.substring(0, 1), 2) ? -1 : 1; + e = parseInt(str.substring(1, 1 + ebits), 2); + f = parseInt(str.substring(1 + ebits), 2); + + // Produce number + if (e === (1 << ebits) - 1) { + return f !== 0 ? NaN : s * Infinity; + } else if (e > 0) { + // Normalized + return s * pow(2, e - bias) * (1 + f / pow(2, fbits)); + } else if (f !== 0) { + // Denormalized + return s * pow(2, -(bias - 1)) * (f / pow(2, fbits)); + } else { + return s < 0 ? -0 : 0; + } +} + +function unpackF64(b) { return unpackIEEE754(b, 11, 52); } +function packF64(v) { return packIEEE754(v, 11, 52); } +function unpackF32(b) { return unpackIEEE754(b, 8, 23); } +function packF32(v) { return packIEEE754(v, 8, 23); } + + +// +// 3 The ArrayBuffer Type +// + +(function() { + + /** @constructor */ + var ArrayBuffer = function ArrayBuffer(length) { + length = ECMAScript.ToInt32(length); + if (length < 0) throw new RangeError('ArrayBuffer size is not a small enough positive integer'); + + this.byteLength = length; + this._bytes = []; + this._bytes.length = length; + + var i; + for (i = 0; i < this.byteLength; i += 1) { + this._bytes[i] = 0; + } + + configureProperties(this); + }; + + exports.ArrayBuffer = exports.ArrayBuffer || ArrayBuffer; + + // + // 4 The ArrayBufferView Type + // + + // NOTE: this constructor is not exported + /** @constructor */ + var ArrayBufferView = function ArrayBufferView() { + //this.buffer = null; + //this.byteOffset = 0; + //this.byteLength = 0; + }; + + // + // 5 The Typed Array View Types + // + + function makeConstructor(bytesPerElement, pack, unpack) { + // Each TypedArray type requires a distinct constructor instance with + // identical logic, which this produces. + + var ctor; + ctor = function(buffer, byteOffset, length) { + var array, sequence, i, s; + + if (!arguments.length || typeof arguments[0] === 'number') { + // Constructor(unsigned long length) + this.length = ECMAScript.ToInt32(arguments[0]); + if (length < 0) throw new RangeError('ArrayBufferView size is not a small enough positive integer'); + + this.byteLength = this.length * this.BYTES_PER_ELEMENT; + this.buffer = new ArrayBuffer(this.byteLength); + this.byteOffset = 0; + } else if (typeof arguments[0] === 'object' && arguments[0].constructor === ctor) { + // Constructor(TypedArray array) + array = arguments[0]; + + this.length = array.length; + this.byteLength = this.length * this.BYTES_PER_ELEMENT; + this.buffer = new ArrayBuffer(this.byteLength); + this.byteOffset = 0; + + for (i = 0; i < this.length; i += 1) { + this._setter(i, array._getter(i)); + } + } else if (typeof arguments[0] === 'object' && + !(arguments[0] instanceof ArrayBuffer || ECMAScript.Class(arguments[0]) === 'ArrayBuffer')) { + // Constructor(sequence array) + sequence = arguments[0]; + + this.length = ECMAScript.ToUint32(sequence.length); + this.byteLength = this.length * this.BYTES_PER_ELEMENT; + this.buffer = new ArrayBuffer(this.byteLength); + this.byteOffset = 0; + + for (i = 0; i < this.length; i += 1) { + s = sequence[i]; + this._setter(i, Number(s)); + } + } else if (typeof arguments[0] === 'object' && + (arguments[0] instanceof ArrayBuffer || ECMAScript.Class(arguments[0]) === 'ArrayBuffer')) { + // Constructor(ArrayBuffer buffer, + // optional unsigned long byteOffset, optional unsigned long length) + this.buffer = buffer; + + this.byteOffset = ECMAScript.ToUint32(byteOffset); + if (this.byteOffset > this.buffer.byteLength) { + throw new RangeError("byteOffset out of range"); + } + + if (this.byteOffset % this.BYTES_PER_ELEMENT) { + // The given byteOffset must be a multiple of the element + // size of the specific type, otherwise an exception is raised. + throw new RangeError("ArrayBuffer length minus the byteOffset is not a multiple of the element size."); + } + + if (arguments.length < 3) { + this.byteLength = this.buffer.byteLength - this.byteOffset; + + if (this.byteLength % this.BYTES_PER_ELEMENT) { + throw new RangeError("length of buffer minus byteOffset not a multiple of the element size"); + } + this.length = this.byteLength / this.BYTES_PER_ELEMENT; + } else { + this.length = ECMAScript.ToUint32(length); + this.byteLength = this.length * this.BYTES_PER_ELEMENT; + } + + if ((this.byteOffset + this.byteLength) > this.buffer.byteLength) { + throw new RangeError("byteOffset and length reference an area beyond the end of the buffer"); + } + } else { + throw new TypeError("Unexpected argument type(s)"); + } + + this.constructor = ctor; + + configureProperties(this); + makeArrayAccessors(this); + }; + + ctor.prototype = new ArrayBufferView(); + ctor.prototype.BYTES_PER_ELEMENT = bytesPerElement; + ctor.prototype._pack = pack; + ctor.prototype._unpack = unpack; + ctor.BYTES_PER_ELEMENT = bytesPerElement; + + // getter type (unsigned long index); + ctor.prototype._getter = function(index) { + if (arguments.length < 1) throw new SyntaxError("Not enough arguments"); + + index = ECMAScript.ToUint32(index); + if (index >= this.length) { + return undefined$1; + } + + var bytes = [], i, o; + for (i = 0, o = this.byteOffset + index * this.BYTES_PER_ELEMENT; + i < this.BYTES_PER_ELEMENT; + i += 1, o += 1) { + bytes.push(this.buffer._bytes[o]); + } + return this._unpack(bytes); + }; + + // NONSTANDARD: convenience alias for getter: type get(unsigned long index); + ctor.prototype.get = ctor.prototype._getter; + + // setter void (unsigned long index, type value); + ctor.prototype._setter = function(index, value) { + if (arguments.length < 2) throw new SyntaxError("Not enough arguments"); + + index = ECMAScript.ToUint32(index); + if (index >= this.length) { + return undefined$1; + } + + var bytes = this._pack(value), i, o; + for (i = 0, o = this.byteOffset + index * this.BYTES_PER_ELEMENT; + i < this.BYTES_PER_ELEMENT; + i += 1, o += 1) { + this.buffer._bytes[o] = bytes[i]; + } + }; + + // void set(TypedArray array, optional unsigned long offset); + // void set(sequence array, optional unsigned long offset); + ctor.prototype.set = function(index, value) { + if (arguments.length < 1) throw new SyntaxError("Not enough arguments"); + var array, sequence, offset, len, + i, s, d, + byteOffset, byteLength, tmp; + + if (typeof arguments[0] === 'object' && arguments[0].constructor === this.constructor) { + // void set(TypedArray array, optional unsigned long offset); + array = arguments[0]; + offset = ECMAScript.ToUint32(arguments[1]); + + if (offset + array.length > this.length) { + throw new RangeError("Offset plus length of array is out of range"); + } + + byteOffset = this.byteOffset + offset * this.BYTES_PER_ELEMENT; + byteLength = array.length * this.BYTES_PER_ELEMENT; + + if (array.buffer === this.buffer) { + tmp = []; + for (i = 0, s = array.byteOffset; i < byteLength; i += 1, s += 1) { + tmp[i] = array.buffer._bytes[s]; + } + for (i = 0, d = byteOffset; i < byteLength; i += 1, d += 1) { + this.buffer._bytes[d] = tmp[i]; + } + } else { + for (i = 0, s = array.byteOffset, d = byteOffset; + i < byteLength; i += 1, s += 1, d += 1) { + this.buffer._bytes[d] = array.buffer._bytes[s]; + } + } + } else if (typeof arguments[0] === 'object' && typeof arguments[0].length !== 'undefined') { + // void set(sequence array, optional unsigned long offset); + sequence = arguments[0]; + len = ECMAScript.ToUint32(sequence.length); + offset = ECMAScript.ToUint32(arguments[1]); + + if (offset + len > this.length) { + throw new RangeError("Offset plus length of array is out of range"); + } + + for (i = 0; i < len; i += 1) { + s = sequence[i]; + this._setter(offset + i, Number(s)); + } + } else { + throw new TypeError("Unexpected argument type(s)"); + } + }; + + // TypedArray subarray(long begin, optional long end); + ctor.prototype.subarray = function(start, end) { + function clamp(v, min, max) { return v < min ? min : v > max ? max : v; } + + start = ECMAScript.ToInt32(start); + end = ECMAScript.ToInt32(end); + + if (arguments.length < 1) { start = 0; } + if (arguments.length < 2) { end = this.length; } + + if (start < 0) { start = this.length + start; } + if (end < 0) { end = this.length + end; } + + start = clamp(start, 0, this.length); + end = clamp(end, 0, this.length); + + var len = end - start; + if (len < 0) { + len = 0; + } + + return new this.constructor( + this.buffer, this.byteOffset + start * this.BYTES_PER_ELEMENT, len); + }; + + return ctor; + } + + var Int8Array = makeConstructor(1, packI8, unpackI8); + var Uint8Array = makeConstructor(1, packU8, unpackU8); + var Uint8ClampedArray = makeConstructor(1, packU8Clamped, unpackU8); + var Int16Array = makeConstructor(2, packI16, unpackI16); + var Uint16Array = makeConstructor(2, packU16, unpackU16); + var Int32Array = makeConstructor(4, packI32, unpackI32); + var Uint32Array = makeConstructor(4, packU32, unpackU32); + var Float32Array = makeConstructor(4, packF32, unpackF32); + var Float64Array = makeConstructor(8, packF64, unpackF64); + + exports.Int8Array = exports.Int8Array || Int8Array; + exports.Uint8Array = exports.Uint8Array || Uint8Array; + exports.Uint8ClampedArray = exports.Uint8ClampedArray || Uint8ClampedArray; + exports.Int16Array = exports.Int16Array || Int16Array; + exports.Uint16Array = exports.Uint16Array || Uint16Array; + exports.Int32Array = exports.Int32Array || Int32Array; + exports.Uint32Array = exports.Uint32Array || Uint32Array; + exports.Float32Array = exports.Float32Array || Float32Array; + exports.Float64Array = exports.Float64Array || Float64Array; +}()); + +// +// 6 The DataView View Type +// + +(function() { + function r(array, index) { + return ECMAScript.IsCallable(array.get) ? array.get(index) : array[index]; + } + + var IS_BIG_ENDIAN = (function() { + var u16array = new(exports.Uint16Array)([0x1234]), + u8array = new(exports.Uint8Array)(u16array.buffer); + return r(u8array, 0) === 0x12; + }()); + + // Constructor(ArrayBuffer buffer, + // optional unsigned long byteOffset, + // optional unsigned long byteLength) + /** @constructor */ + var DataView = function DataView(buffer, byteOffset, byteLength) { + if (arguments.length === 0) { + buffer = new exports.ArrayBuffer(0); + } else if (!(buffer instanceof exports.ArrayBuffer || ECMAScript.Class(buffer) === 'ArrayBuffer')) { + throw new TypeError("TypeError"); + } + + this.buffer = buffer || new exports.ArrayBuffer(0); + + this.byteOffset = ECMAScript.ToUint32(byteOffset); + if (this.byteOffset > this.buffer.byteLength) { + throw new RangeError("byteOffset out of range"); + } + + if (arguments.length < 3) { + this.byteLength = this.buffer.byteLength - this.byteOffset; + } else { + this.byteLength = ECMAScript.ToUint32(byteLength); + } + + if ((this.byteOffset + this.byteLength) > this.buffer.byteLength) { + throw new RangeError("byteOffset and length reference an area beyond the end of the buffer"); + } + + configureProperties(this); + }; + + function makeGetter(arrayType) { + return function(byteOffset, littleEndian) { + + byteOffset = ECMAScript.ToUint32(byteOffset); + + if (byteOffset + arrayType.BYTES_PER_ELEMENT > this.byteLength) { + throw new RangeError("Array index out of range"); + } + byteOffset += this.byteOffset; + + var uint8Array = new exports.Uint8Array(this.buffer, byteOffset, arrayType.BYTES_PER_ELEMENT), + bytes = [], i; + for (i = 0; i < arrayType.BYTES_PER_ELEMENT; i += 1) { + bytes.push(r(uint8Array, i)); + } + + if (Boolean(littleEndian) === Boolean(IS_BIG_ENDIAN)) { + bytes.reverse(); + } + + return r(new arrayType(new exports.Uint8Array(bytes).buffer), 0); + }; + } + + DataView.prototype.getUint8 = makeGetter(exports.Uint8Array); + DataView.prototype.getInt8 = makeGetter(exports.Int8Array); + DataView.prototype.getUint16 = makeGetter(exports.Uint16Array); + DataView.prototype.getInt16 = makeGetter(exports.Int16Array); + DataView.prototype.getUint32 = makeGetter(exports.Uint32Array); + DataView.prototype.getInt32 = makeGetter(exports.Int32Array); + DataView.prototype.getFloat32 = makeGetter(exports.Float32Array); + DataView.prototype.getFloat64 = makeGetter(exports.Float64Array); + + function makeSetter(arrayType) { + return function(byteOffset, value, littleEndian) { + + byteOffset = ECMAScript.ToUint32(byteOffset); + if (byteOffset + arrayType.BYTES_PER_ELEMENT > this.byteLength) { + throw new RangeError("Array index out of range"); + } + + // Get bytes + var typeArray = new arrayType([value]), + byteArray = new exports.Uint8Array(typeArray.buffer), + bytes = [], i, byteView; + + for (i = 0; i < arrayType.BYTES_PER_ELEMENT; i += 1) { + bytes.push(r(byteArray, i)); + } + + // Flip if necessary + if (Boolean(littleEndian) === Boolean(IS_BIG_ENDIAN)) { + bytes.reverse(); + } + + // Write them + byteView = new exports.Uint8Array(this.buffer, byteOffset, arrayType.BYTES_PER_ELEMENT); + byteView.set(bytes); + }; + } + + DataView.prototype.setUint8 = makeSetter(exports.Uint8Array); + DataView.prototype.setInt8 = makeSetter(exports.Int8Array); + DataView.prototype.setUint16 = makeSetter(exports.Uint16Array); + DataView.prototype.setInt16 = makeSetter(exports.Int16Array); + DataView.prototype.setUint32 = makeSetter(exports.Uint32Array); + DataView.prototype.setInt32 = makeSetter(exports.Int32Array); + DataView.prototype.setFloat32 = makeSetter(exports.Float32Array); + DataView.prototype.setFloat64 = makeSetter(exports.Float64Array); + + exports.DataView = exports.DataView || DataView; + +}()); +}); +var typedarray_1 = typedarray.ArrayBuffer; +var typedarray_2 = typedarray.Int8Array; +var typedarray_3 = typedarray.Uint8Array; +var typedarray_4 = typedarray.Uint8ClampedArray; +var typedarray_5 = typedarray.Int16Array; +var typedarray_6 = typedarray.Uint16Array; +var typedarray_7 = typedarray.Int32Array; +var typedarray_8 = typedarray.Uint32Array; +var typedarray_9 = typedarray.Float32Array; +var typedarray_10 = typedarray.Float64Array; +var typedarray_11 = typedarray.DataView; + +var Writable = stream.Writable; + + + +if (typeof Uint8Array === 'undefined') { + var U8 = typedarray.Uint8Array; +} else { + var U8 = Uint8Array; +} + +function ConcatStream(opts, cb) { + if (!(this instanceof ConcatStream)) return new ConcatStream(opts, cb) + + if (typeof opts === 'function') { + cb = opts; + opts = {}; + } + if (!opts) opts = {}; + + var encoding = opts.encoding; + var shouldInferEncoding = false; + + if (!encoding) { + shouldInferEncoding = true; + } else { + encoding = String(encoding).toLowerCase(); + if (encoding === 'u8' || encoding === 'uint8') { + encoding = 'uint8array'; + } + } + + Writable.call(this, { objectMode: true }); + + this.encoding = encoding; + this.shouldInferEncoding = shouldInferEncoding; + + if (cb) this.on('finish', function () { cb(this.getBody()); }); + this.body = []; +} + +var concatStream = ConcatStream; +inherits(ConcatStream, Writable); + +ConcatStream.prototype._write = function(chunk, enc, next) { + this.body.push(chunk); + next(); +}; + +ConcatStream.prototype.inferEncoding = function (buff) { + var firstBuffer = buff === undefined ? this.body[0] : buff; + if (Buffer.isBuffer(firstBuffer)) return 'buffer' + if (typeof Uint8Array !== 'undefined' && firstBuffer instanceof Uint8Array) return 'uint8array' + if (Array.isArray(firstBuffer)) return 'array' + if (typeof firstBuffer === 'string') return 'string' + if (Object.prototype.toString.call(firstBuffer) === "[object Object]") return 'object' + return 'buffer' +}; + +ConcatStream.prototype.getBody = function () { + if (!this.encoding && this.body.length === 0) return [] + if (this.shouldInferEncoding) this.encoding = this.inferEncoding(); + if (this.encoding === 'array') return arrayConcat(this.body) + if (this.encoding === 'string') return stringConcat(this.body) + if (this.encoding === 'buffer') return bufferConcat(this.body) + if (this.encoding === 'uint8array') return u8Concat(this.body) + return this.body +}; + +function isArrayish$1 (arr) { + return /Array\]$/.test(Object.prototype.toString.call(arr)) +} + +function isBufferish (p) { + return typeof p === 'string' || isArrayish$1(p) || (p && typeof p.subarray === 'function') +} + +function stringConcat (parts) { + var strings = []; + for (var i = 0; i < parts.length; i++) { + var p = parts[i]; + if (typeof p === 'string') { + strings.push(p); + } else if (Buffer.isBuffer(p)) { + strings.push(p); + } else if (isBufferish(p)) { + strings.push(bufferFrom_1(p)); + } else { + strings.push(bufferFrom_1(String(p))); + } + } + if (Buffer.isBuffer(parts[0])) { + strings = Buffer.concat(strings); + strings = strings.toString('utf8'); + } else { + strings = strings.join(''); + } + return strings +} + +function bufferConcat (parts) { + var bufs = []; + for (var i = 0; i < parts.length; i++) { + var p = parts[i]; + if (Buffer.isBuffer(p)) { + bufs.push(p); + } else if (isBufferish(p)) { + bufs.push(bufferFrom_1(p)); + } else { + bufs.push(bufferFrom_1(String(p))); + } + } + return Buffer.concat(bufs) +} + +function arrayConcat (parts) { + var res = []; + for (var i = 0; i < parts.length; i++) { + res.push.apply(res, parts[i]); + } + return res +} + +function u8Concat (parts) { + var len = 0; + for (var i = 0; i < parts.length; i++) { + if (typeof parts[i] === 'string') { + parts[i] = bufferFrom_1(parts[i]); + } + len += parts[i].length; + } + var u8 = new U8(len); + for (var i = 0, offset = 0; i < parts.length; i++) { + var part = parts[i]; + for (var j = 0; j < part.length; j++) { + u8[offset++] = part[j]; + } + } + return u8 +} + +var debug$1 = src('unified-engine:file-set-pipeline:stdin'); + + + +var stdin_1 = stdin; + +function stdin(context, settings, next) { + var streamIn = settings.streamIn; + var error; + + if (settings.files && settings.files.length !== 0) { + debug$1('Ignoring `streamIn`'); + + if (settings.filePath) { + error = new Error( + 'Do not pass both `--file-path` and real files.\nDid you mean to pass stdin instead of files?' + ); + } + + next(error); + + return + } + + if (streamIn.isTTY) { + debug$1('Cannot read from `tty` stream'); + next(new Error('No input')); + + return + } + + debug$1('Reading from `streamIn`'); + + streamIn.pipe(concatStream({encoding: 'string'}, read)); + + function read(value) { + var file = toVfile(settings.filePath || undefined); + + debug$1('Read from `streamIn`'); + + file.cwd = settings.cwd; + file.contents = value; + file.data.unifiedEngineGiven = true; + file.data.unifiedEngineStreamIn = true; + + context.files = [file]; + + // If `out` was not set, set `out`. + settings.out = + settings.out === null || settings.out === undefined ? true : settings.out; + + next(); + } +} + +var inherits$1 = util$1.inherits; + + + + +var fileSet = FileSet; + +// FileSet constructor. +function FileSet() { + var self = this; + + self.files = []; + self.origins = []; + + self.expected = 0; + self.actual = 0; + + self.pipeline = trough_1(); + self.plugins = []; + + events.init.call(self); + + self.on('one', one.bind(self)); +} + +// Events. +inherits$1(FileSet, events.EventEmitter); + +// Expose methods. +FileSet.prototype.valueOf = valueOf; +FileSet.prototype.use = use; +FileSet.prototype.add = add; + +// Create an array representation of `fileSet`. +function valueOf() { + return this.files +} + +// Attach middleware to the pipeline on `fileSet`. +function use(plugin) { + var self = this; + var pipeline = self.pipeline; + var duplicate = false; + + if (plugin && plugin.pluginId) { + duplicate = self.plugins.some(matches); + } + + if (!duplicate && self.plugins.indexOf(plugin) !== -1) { + duplicate = true; + } + + if (!duplicate) { + self.plugins.push(plugin); + pipeline.use(plugin); + } + + return self + + function matches(fn) { + return fn.pluginId === plugin.pluginId + } +} + +// Add a file to be processed. +// Ignores duplicate files (based on the `filePath` at time of addition). +// Only runs `file-pipeline` on files which have not `failed` before addition. +function add(file) { + var self = this; + var origin; + + if (xIsString(file)) { + file = toVfile(file); + } + + // Prevent files from being added multiple times. + origin = file.history[0]; + + if (self.origins.indexOf(origin) !== -1) { + return self + } + + self.origins.push(origin); + + // Add. + self.valueOf().push(file); + self.expected++; + + // Force an asynchronous operation. + // This ensures that files which fall through the file pipeline immediately + // (such as, when already fatally failed) still queue up correctly. + setImmediate(add); + + return self + + function add() { + self.emit('add', file); + } +} + +// Utility invoked when a single file has completed it's pipeline, triggering +// `done` when all files are complete. +function one() { + var self = this; + + self.actual++; + + if (self.actual >= self.expected) { + self.emit('done'); + } +} + +var debug$2 = src('unified-engine:file-pipeline:read'); + + +var read_1$1 = read$3; + +var resolve$4 = path$1.resolve; +var readFile = fs$1.readFile; + +// Fill a file with its contents when not already filled. +function read$3(context, file, fileSet, next) { + var filePath = file.path; + + if (file.contents || file.data.unifiedEngineStreamIn) { + debug$2('Not reading file `%s` with contents', filePath); + next(); + } else if (vfileStatistics(file).fatal) { + debug$2('Not reading failed file `%s`', filePath); + next(); + } else { + filePath = resolve$4(context.cwd, filePath); + + debug$2('Reading `%s` in `%s`', filePath, 'utf8'); + readFile(filePath, 'utf8', onread); + } + + function onread(error, contents) { + debug$2('Read `%s` (error: %s)', filePath, error); + + file.contents = contents || ''; + + next(error); + } +} + +var fnName = function (fn) { + if (typeof fn !== 'function') { + throw new TypeError('Expected a function'); + } + + return fn.displayName || fn.name || (/function ([^\(]+)?\(/.exec(fn.toString()) || [])[1] || null; +}; + +/** + * Has own property. + * + * @type {Function} + */ + +var has = Object.prototype.hasOwnProperty; + +/** + * To string. + * + * @type {Function} + */ + +var toString$3 = Object.prototype.toString; + +/** + * Test whether a value is "empty". + * + * @param {Mixed} val + * @return {Boolean} + */ + +function isEmpty(val) { + // Null and Undefined... + if (val == null) return true + + // Booleans... + if ('boolean' == typeof val) return false + + // Numbers... + if ('number' == typeof val) return val === 0 + + // Strings... + if ('string' == typeof val) return val.length === 0 + + // Functions... + if ('function' == typeof val) return val.length === 0 + + // Arrays... + if (Array.isArray(val)) return val.length === 0 + + // Errors... + if (val instanceof Error) return val.message === '' + + // Objects... + if (val.toString == toString$3) { + switch (val.toString()) { + + // Maps, Sets, Files and Errors... + case '[object File]': + case '[object Map]': + case '[object Set]': { + return val.size === 0 + } + + // Plain objects... + case '[object Object]': { + for (var key in val) { + if (has.call(val, key)) return false + } + + return true + } + } + } + + // Anything else... + return false +} + +/** + * Export `isEmpty`. + * + * @type {Function} + */ + +var lib = isEmpty; + +var debug$3 = src('unified-engine:file-pipeline:configure'); + + + + + +var configure_1$1 = configure$1; + +// Collect configuration for a file based on the context. +function configure$1(context, file, fileSet, next) { + var config = context.configuration; + var processor = context.processor; + + if (vfileStatistics(file).fatal) { + return next() + } + + config.load(file.path, handleConfiguration); + + function handleConfiguration(error, configuration) { + var plugins; + var options; + var plugin; + var length; + var index; + var name; + + if (error) { + return next(error) + } + + // Store configuration on the context object. + debug$3('Using settings `%j`', configuration.settings); + processor.data('settings', configuration.settings); + + plugins = configuration.plugins; + length = plugins.length; + index = -1; + + debug$3('Using `%d` plugins', length); + + while (++index < length) { + plugin = plugins[index][0]; + options = plugins[index][1]; + + if (options === false) { + continue + } + + // Allow for default arguments in es2020. + if (options === null || (isObject$1(options) && lib(options))) { + options = undefined; + } + + name = fnName(plugin) || 'function'; + debug$3('Using plugin `%s`, with options `%j`', name, options); + + try { + processor.use(plugin, options, fileSet); + } catch (error2) { + /* istanbul ignore next - Should not happen anymore! */ + return next(error2) + } + } + + next(); + } +} + +var debug$4 = src('unified-engine:file-pipeline:parse'); + + + +var parse_1 = parse$3; + +// Fill a file with a tree. +function parse$3(context, file) { + var message; + + if (vfileStatistics(file).fatal) { + return + } + + if (context.treeIn) { + debug$4('Not parsing already parsed document'); + + try { + context.tree = parseJson$1(file.toString()); + } catch (error) { + message = file.message( + new Error('Cannot read file as JSON\n' + error.message) + ); + message.fatal = true; + } + + // Add the preferred extension to ensure the file, when compiled, is correctly + // recognised. + // Only add it if there is a path — not if the file is for example stdin. + if (file.path) { + file.extname = context.extensions[0]; + } + + file.contents = ''; + + return + } + + debug$4('Parsing `%s`', file.path); + + context.tree = context.processor.parse(file); + + debug$4('Parsed document'); +} + +var debug$5 = src('unified-engine:file-pipeline:transform'); + + +var transform_1 = transform; + +// Transform the tree associated with a file with configured plugins. +function transform(context, file, fileSet, next) { + if (vfileStatistics(file).fatal) { + next(); + } else { + debug$5('Transforming document `%s`', file.path); + context.processor.run(context.tree, file, onrun); + } + + function onrun(error, node) { + debug$5('Transformed document (error: %s)', error); + context.tree = node; + next(error); + } +} + +var debug$6 = src('unified-engine:file-pipeline:queue'); + + +var queue_1 = queue; + +// Queue all files which came this far. +// When the last file gets here, run the file-set pipeline and flush the queue. +function queue(context, file, fileSet, next) { + var origin = file.history[0]; + var map = fileSet.complete; + var complete = true; + + if (!map) { + map = {}; + fileSet.complete = map; + } + + debug$6('Queueing `%s`', origin); + + map[origin] = next; + + fileSet.valueOf().forEach(each); + + if (!complete) { + debug$6('Not flushing: some files cannot be flushed'); + return + } + + fileSet.complete = {}; + + fileSet.pipeline.run(fileSet, done); + + function each(file) { + var key = file.history[0]; + + if (vfileStatistics(file).fatal) { + return + } + + if (typeof map[key] === 'function') { + debug$6('`%s` can be flushed', key); + } else { + debug$6('Interupting flush: `%s` is not finished', key); + complete = false; + } + } + + function done(error) { + debug$6('Flushing: all files can be flushed'); + + // Flush. + for (origin in map) { + map[origin](error); + } + } +} + +// Detect color support. +var color = true; + +try { + color = 'inspect' in util$1; +} catch (error) { + /* istanbul ignore next - browser */ + color = false; +} + +var unistUtilInspect = color ? inspect : /* istanbul ignore next */ noColor; + +inspect.color = inspect; +noColor.color = inspect; +inspect.noColor = noColor; +noColor.noColor = noColor; + +var dim = ansiColor(2, 22); +var yellow = ansiColor(33, 39); +var green = ansiColor(32, 39); + +// Define ANSII color removal functionality. +var colorExpression = new RegExp( + '(?:' + + '(?:\\u001b\\[)|' + + '\\u009b' + + ')' + + '(?:' + + '(?:[0-9]{1,3})?(?:(?:;[0-9]{0,3})*)?[A-M|f-m]' + + ')|' + + '\\u001b[A-M]', + 'g' +); + +// Standard keys defined by unist: https://github.com/syntax-tree/unist. +// We don’t ignore `data` though. +var ignore$2 = ['type', 'value', 'children', 'position']; + +// Inspects a node, without using color. +function noColor(node, pad) { + return stripColor(inspect(node, pad)) +} + +// Inspects a node. +function inspect(node, pad) { + var result; + var children; + var index; + var length; + + if (node && Boolean(node.length) && typeof node !== 'string') { + length = node.length; + index = -1; + result = []; + + while (++index < length) { + result[index] = inspect(node[index]); + } + + return result.join('\n') + } + + if (!node || !node.type) { + return String(node) + } + + result = [formatNode(node)]; + children = node.children; + length = children && children.length; + index = -1; + + if (!length) { + return result[0] + } + + if (!pad || typeof pad === 'number') { + pad = ''; + } + + while (++index < length) { + node = children[index]; + + if (index === length - 1) { + result.push(formatNesting(pad + '└─ ') + inspect(node, pad + ' ')); + } else { + result.push(formatNesting(pad + '├─ ') + inspect(node, pad + '│ ')); + } + } + + return result.join('\n') +} + +// Colored nesting formatter. +function formatNesting(value) { + return dim(value) +} + +// Compile a single position. +function compile(pos) { + var values = []; + + if (!pos) { + return null + } + + values = [[pos.line || 1, pos.column || 1].join(':')]; + + if ('offset' in pos) { + values.push(String(pos.offset || 0)); + } + + return values +} + +// Compile a location. +function stringify$1(start, end) { + var values = []; + var positions = []; + var offsets = []; + + add(start); + add(end); + + if (positions.length !== 0) { + values.push(positions.join('-')); + } + + if (offsets.length !== 0) { + values.push(offsets.join('-')); + } + + return values.join(', ') + + // Add a position. + function add(position) { + var tuple = compile(position); + + if (tuple) { + positions.push(tuple[0]); + + if (tuple[1]) { + offsets.push(tuple[1]); + } + } + } +} + +// Colored node formatter. +function formatNode(node) { + var log = node.type; + var location = node.position || {}; + var position = stringify$1(location.start, location.end); + var key; + var values = []; + var value; + + if (node.children) { + log += dim('[') + yellow(node.children.length) + dim(']'); + } else if (typeof node.value === 'string') { + log += dim(': ') + green(JSON.stringify(node.value)); + } + + if (position) { + log += ' (' + position + ')'; + } + + for (key in node) { + value = node[key]; + + if ( + ignore$2.indexOf(key) !== -1 || + value === null || + value === undefined || + (typeof value === 'object' && lib(value)) + ) { + continue + } + + values.push('[' + key + '=' + JSON.stringify(value) + ']'); + } + + if (values.length !== 0) { + log += ' ' + values.join(''); + } + + return log +} + +// Remove ANSI colour from `value`. +function stripColor(value) { + return value.replace(colorExpression, '') +} + +// Factory to wrap values in ANSI colours. +function ansiColor(open, close) { + return color + + function color(value) { + return '\u001B[' + open + 'm' + value + '\u001B[' + close + 'm' + } +} + +var debug$7 = src('unified-engine:file-pipeline:stringify'); + + + +var stringify_1 = stringify$2; + +// Stringify a tree. +function stringify$2(context, file) { + var processor = context.processor; + var tree = context.tree; + var value; + + if (vfileStatistics(file).fatal) { + debug$7('Not compiling failed document'); + return + } + + if (!context.output && !context.out && !context.alwaysStringify) { + debug$7('Not compiling document without output settings'); + return + } + + debug$7('Compiling `%s`', file.path); + + if (context.inspect) { + // Add a `txt` extension if there is a path. + if (file.path) { + file.extname = '.txt'; + } + + value = unistUtilInspect[context.color ? 'color' : 'noColor'](tree) + '\n'; + } else if (context.treeOut) { + // Add a `json` extension to ensure the file is correctly seen as JSON. + // Only add it if there is a path — not if the file is for example stdin. + if (file.path) { + file.extname = '.json'; + } + + // Add the line feed to create a valid UNIX file. + value = JSON.stringify(tree, null, 2) + '\n'; + } else { + value = processor.stringify(tree, file); + } + + file.contents = value; + + debug$7('Compiled document'); +} + +var debug$8 = src('unified-engine:file-pipeline:copy'); + + +var copy_1 = copy; + +var stat$1 = fs$1.stat; +var dirname$2 = path$1.dirname; +var resolve$5 = path$1.resolve; +var relative$3 = path$1.relative; + +// Move a file. +function copy(context, file, fileSet, next) { + var output = context.output; + var multi = fileSet.expected > 1; + var outpath = output; + var currentPath = file.path; + + if (!xIsString(outpath)) { + debug$8('Not copying'); + return next() + } + + outpath = resolve$5(context.cwd, outpath); + + debug$8('Copying `%s`', currentPath); + + stat$1(outpath, onstatfile); + + function onstatfile(error, stats) { + if (error) { + if ( + error.code !== 'ENOENT' || + output.charAt(output.length - 1) === path$1.sep + ) { + return next( + new Error('Cannot read output directory. Error:\n' + error.message) + ) + } + + stat$1(dirname$2(outpath), onstatparent); + } else { + done(stats.isDirectory()); + } + } + + // This is either given an error, or the parent exists which is a directory, + // but we should keep the basename of the given file. + function onstatparent(error) { + if (error) { + next(new Error('Cannot read parent directory. Error:\n' + error.message)); + } else { + done(false); + } + } + + function done(directory) { + if (!directory && multi) { + return next( + new Error('Cannot write multiple files to single output: ' + outpath) + ) + } + + file[directory ? 'dirname' : 'path'] = relative$3(file.cwd, outpath); + + debug$8('Copying document from %s to %s', currentPath, file.path); + + next(); + } +} + +var debug$9 = src('unified-engine:file-pipeline:stdout'); + + +var stdout_1 = stdout; + +// Write a virtual file to `streamOut`. +// Ignored when `output` is given, more than one file was processed, or `out` +// is false. +function stdout(context, file, fileSet, next) { + if (!file.data.unifiedEngineGiven) { + debug$9('Ignoring programmatically added file'); + next(); + } else if (vfileStatistics(file).fatal || context.output || !context.out) { + debug$9('Ignoring writing to `streamOut`'); + next(); + } else { + debug$9('Writing document to `streamOut`'); + context.streamOut.write(file.toString(), next); + } +} + +var debug$a = src('unified-engine:file-pipeline:file-system'); + + +var fileSystem_1$1 = fileSystem$1; + +var writeFile = fs$1.writeFile; +var resolve$6 = path$1.resolve; + +// Write a virtual file to the file-system. +// Ignored when `output` is not given. +function fileSystem$1(context, file, fileSet, next) { + var destinationPath; + + if (!context.output) { + debug$a('Ignoring writing to file-system'); + return next() + } + + if (!file.data.unifiedEngineGiven) { + debug$a('Ignoring programmatically added file'); + return next() + } + + destinationPath = file.path; + + if (!destinationPath) { + debug$a('Cannot write file without a `destinationPath`'); + return next(new Error('Cannot write file without an output path')) + } + + if (vfileStatistics(file).fatal) { + debug$a('Cannot write file with a fatal error'); + return next() + } + + destinationPath = resolve$6(context.cwd, destinationPath); + debug$a('Writing document to `%s`', destinationPath); + + file.stored = true; + + writeFile(destinationPath, file.toString(), next); +} + +// This pipeline ensures each of the pipes always runs: even if the read pipe +// fails, queue and write run. +var filePipeline = trough_1() + .use( + chunk( + trough_1() + .use(read_1$1) + .use(configure_1$1) + .use(parse_1) + .use(transform_1) + ) + ) + .use(chunk(trough_1().use(queue_1))) + .use( + chunk( + trough_1() + .use(stringify_1) + .use(copy_1) + .use(stdout_1) + .use(fileSystem_1$1) + ) + ); + +// Factory to run a pipe. +// Wraps a pipe to trigger an error on the `file` in `context`, but still call +// `next`. +function chunk(pipe) { + return run + + // Run the bound bound pipe and handles any errors. + function run(context, file, fileSet, next) { + pipe.run(context, file, fileSet, one); + + function one(error) { + var messages = file.messages; + var index; + + if (error) { + index = messages.indexOf(error); + + if (index === -1) { + error = file.message(error); + index = messages.length - 1; + } + + messages[index].fatal = true; + } + + next(); + } + } +} + +var transform_1$1 = transform$1; + +// Transform all files. +function transform$1(context, settings, next) { + var fileSet$1 = new fileSet(); + + context.fileSet = fileSet$1; + + fileSet$1.on('add', add).on('done', next); + + if (context.files.length === 0) { + next(); + } else { + context.files.forEach(fileSet$1.add, fileSet$1); + } + + function add(file) { + filePipeline.run( + { + configuration: context.configuration, + processor: settings.processor(), + cwd: settings.cwd, + extensions: settings.extensions, + pluginPrefix: settings.pluginPrefix, + treeIn: settings.treeIn, + treeOut: settings.treeOut, + inspect: settings.inspect, + color: settings.color, + out: settings.out, + output: settings.output, + streamOut: settings.streamOut, + alwaysStringify: settings.alwaysStringify + }, + file, + fileSet$1, + done + ); + + function done(error) { + /* istanbul ignore next - Does not occur as all failures in `filePipeLine` + * are failed on each file. + * Still, just to ensure things work in the future, we add an extra + * check. */ + if (error) { + error = file.message(error); + error.fatal = true; + } + + fileSet$1.emit('one', file); + } + } +} + +const {env: env$1} = process; + +let forceColor$1; +if (hasFlag('no-color') || + hasFlag('no-colors') || + hasFlag('color=false') || + hasFlag('color=never')) { + forceColor$1 = 0; +} else if (hasFlag('color') || + hasFlag('colors') || + hasFlag('color=true') || + hasFlag('color=always')) { + forceColor$1 = 1; +} +if ('FORCE_COLOR' in env$1) { + if (env$1.FORCE_COLOR === true || env$1.FORCE_COLOR === 'true') { + forceColor$1 = 1; + } else if (env$1.FORCE_COLOR === false || env$1.FORCE_COLOR === 'false') { + forceColor$1 = 0; + } else { + forceColor$1 = env$1.FORCE_COLOR.length === 0 ? 1 : Math.min(parseInt(env$1.FORCE_COLOR, 10), 3); + } +} + +function translateLevel$1(level) { + if (level === 0) { + return false; + } + + return { + level, + hasBasic: true, + has256: level >= 2, + has16m: level >= 3 + }; +} + +function supportsColor$1(stream) { + if (forceColor$1 === 0) { + return 0; + } + + if (hasFlag('color=16m') || + hasFlag('color=full') || + hasFlag('color=truecolor')) { + return 3; + } + + if (hasFlag('color=256')) { + return 2; + } + + if (stream && !stream.isTTY && forceColor$1 === undefined) { + return 0; + } + + const min = forceColor$1 || 0; + + if (env$1.TERM === 'dumb') { + return min; + } + + if (process.platform === 'win32') { + // Node.js 7.5.0 is the first version of Node.js to include a patch to + // libuv that enables 256 color output on Windows. Anything earlier and it + // won't work. However, here we target Node.js 8 at minimum as it is an LTS + // release, and Node.js 7 is not. Windows 10 build 10586 is the first Windows + // release that supports 256 colors. Windows 10 build 14931 is the first release + // that supports 16m/TrueColor. + const osRelease = os.release().split('.'); + if ( + Number(process.versions.node.split('.')[0]) >= 8 && + Number(osRelease[0]) >= 10 && + Number(osRelease[2]) >= 10586 + ) { + return Number(osRelease[2]) >= 14931 ? 3 : 2; + } + + return 1; + } + + if ('CI' in env$1) { + if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI'].some(sign => sign in env$1) || env$1.CI_NAME === 'codeship') { + return 1; + } + + return min; + } + + if ('TEAMCITY_VERSION' in env$1) { + return /^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env$1.TEAMCITY_VERSION) ? 1 : 0; + } + + if (env$1.COLORTERM === 'truecolor') { + return 3; + } + + if ('TERM_PROGRAM' in env$1) { + const version = parseInt((env$1.TERM_PROGRAM_VERSION || '').split('.')[0], 10); + + switch (env$1.TERM_PROGRAM) { + case 'iTerm.app': + return version >= 3 ? 3 : 2; + case 'Apple_Terminal': + return 2; + // No default + } + } + + if (/-256(color)?$/i.test(env$1.TERM)) { + return 2; + } + + if (/^screen|^xterm|^vt100|^vt220|^rxvt|color|ansi|cygwin|linux/i.test(env$1.TERM)) { + return 1; + } + + if ('COLORTERM' in env$1) { + return 1; + } + + return min; +} + +function getSupportLevel$1(stream) { + const level = supportsColor$1(stream); + return translateLevel$1(level); +} + +var supportsColor_1$1 = { + supportsColor: getSupportLevel$1, + stdout: getSupportLevel$1(process.stdout), + stderr: getSupportLevel$1(process.stderr) +}; + +var ansiRegex = ({onlyFirst = false} = {}) => { + const pattern = [ + '[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)', + '(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))' + ].join('|'); + + return new RegExp(pattern, onlyFirst ? undefined : 'g'); +}; + +var stripAnsi = string => typeof string === 'string' ? string.replace(ansiRegex(), '') : string; + +/* eslint-disable yoda */ + +const isFullwidthCodePoint = codePoint => { + if (Number.isNaN(codePoint)) { + return false; + } + + // Code points are derived from: + // http://www.unix.org/Public/UNIDATA/EastAsianWidth.txt + if ( + codePoint >= 0x1100 && ( + codePoint <= 0x115F || // Hangul Jamo + codePoint === 0x2329 || // LEFT-POINTING ANGLE BRACKET + codePoint === 0x232A || // RIGHT-POINTING ANGLE BRACKET + // CJK Radicals Supplement .. Enclosed CJK Letters and Months + (0x2E80 <= codePoint && codePoint <= 0x3247 && codePoint !== 0x303F) || + // Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A + (0x3250 <= codePoint && codePoint <= 0x4DBF) || + // CJK Unified Ideographs .. Yi Radicals + (0x4E00 <= codePoint && codePoint <= 0xA4C6) || + // Hangul Jamo Extended-A + (0xA960 <= codePoint && codePoint <= 0xA97C) || + // Hangul Syllables + (0xAC00 <= codePoint && codePoint <= 0xD7A3) || + // CJK Compatibility Ideographs + (0xF900 <= codePoint && codePoint <= 0xFAFF) || + // Vertical Forms + (0xFE10 <= codePoint && codePoint <= 0xFE19) || + // CJK Compatibility Forms .. Small Form Variants + (0xFE30 <= codePoint && codePoint <= 0xFE6B) || + // Halfwidth and Fullwidth Forms + (0xFF01 <= codePoint && codePoint <= 0xFF60) || + (0xFFE0 <= codePoint && codePoint <= 0xFFE6) || + // Kana Supplement + (0x1B000 <= codePoint && codePoint <= 0x1B001) || + // Enclosed Ideographic Supplement + (0x1F200 <= codePoint && codePoint <= 0x1F251) || + // CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane + (0x20000 <= codePoint && codePoint <= 0x3FFFD) + ) + ) { + return true; + } + + return false; +}; + +var isFullwidthCodePoint_1 = isFullwidthCodePoint; +var default_1 = isFullwidthCodePoint; +isFullwidthCodePoint_1.default = default_1; + +var emojiRegex = function () { + // https://mths.be/emoji + return /\uD83C\uDFF4\uDB40\uDC67\uDB40\uDC62(?:\uDB40\uDC65\uDB40\uDC6E\uDB40\uDC67|\uDB40\uDC73\uDB40\uDC63\uDB40\uDC74|\uDB40\uDC77\uDB40\uDC6C\uDB40\uDC73)\uDB40\uDC7F|\uD83D\uDC68(?:\uD83C\uDFFC\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68\uD83C\uDFFB|\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFF\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFB-\uDFFE])|\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFE\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFB-\uDFFD])|\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFD\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFB\uDFFC])|\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\u200D(?:\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D)?\uD83D\uDC68|(?:\uD83D[\uDC68\uDC69])\u200D(?:\uD83D\uDC66\u200D\uD83D\uDC66|\uD83D\uDC67\u200D(?:\uD83D[\uDC66\uDC67]))|\uD83D\uDC66\u200D\uD83D\uDC66|\uD83D\uDC67\u200D(?:\uD83D[\uDC66\uDC67])|(?:\uD83D[\uDC68\uDC69])\u200D(?:\uD83D[\uDC66\uDC67])|[\u2695\u2696\u2708]\uFE0F|\uD83D[\uDC66\uDC67]|\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|(?:\uD83C\uDFFB\u200D[\u2695\u2696\u2708]|\uD83C\uDFFF\u200D[\u2695\u2696\u2708]|\uD83C\uDFFE\u200D[\u2695\u2696\u2708]|\uD83C\uDFFD\u200D[\u2695\u2696\u2708]|\uD83C\uDFFC\u200D[\u2695\u2696\u2708])\uFE0F|\uD83C\uDFFB\u200D(?:\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C[\uDFFB-\uDFFF])|(?:\uD83E\uDDD1\uD83C\uDFFB\u200D\uD83E\uDD1D\u200D\uD83E\uDDD1|\uD83D\uDC69\uD83C\uDFFC\u200D\uD83E\uDD1D\u200D\uD83D\uDC69)\uD83C\uDFFB|\uD83E\uDDD1(?:\uD83C\uDFFF\u200D\uD83E\uDD1D\u200D\uD83E\uDDD1(?:\uD83C[\uDFFB-\uDFFF])|\u200D\uD83E\uDD1D\u200D\uD83E\uDDD1)|(?:\uD83E\uDDD1\uD83C\uDFFE\u200D\uD83E\uDD1D\u200D\uD83E\uDDD1|\uD83D\uDC69\uD83C\uDFFF\u200D\uD83E\uDD1D\u200D(?:\uD83D[\uDC68\uDC69]))(?:\uD83C[\uDFFB-\uDFFE])|(?:\uD83E\uDDD1\uD83C\uDFFC\u200D\uD83E\uDD1D\u200D\uD83E\uDDD1|\uD83D\uDC69\uD83C\uDFFD\u200D\uD83E\uDD1D\u200D\uD83D\uDC69)(?:\uD83C[\uDFFB\uDFFC])|\uD83D\uDC69(?:\uD83C\uDFFE\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFB-\uDFFD\uDFFF])|\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFC\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFB\uDFFD-\uDFFF])|\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFB\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFC-\uDFFF])|\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFD\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFB\uDFFC\uDFFE\uDFFF])|\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\u200D(?:\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D(?:\uD83D[\uDC68\uDC69])|\uD83D[\uDC68\uDC69])|\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFF\u200D(?:\uD83C[\uDF3E\uDF73\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD]))|\uD83D\uDC69\u200D\uD83D\uDC69\u200D(?:\uD83D\uDC66\u200D\uD83D\uDC66|\uD83D\uDC67\u200D(?:\uD83D[\uDC66\uDC67]))|(?:\uD83E\uDDD1\uD83C\uDFFD\u200D\uD83E\uDD1D\u200D\uD83E\uDDD1|\uD83D\uDC69\uD83C\uDFFE\u200D\uD83E\uDD1D\u200D\uD83D\uDC69)(?:\uD83C[\uDFFB-\uDFFD])|\uD83D\uDC69\u200D\uD83D\uDC66\u200D\uD83D\uDC66|\uD83D\uDC69\u200D\uD83D\uDC69\u200D(?:\uD83D[\uDC66\uDC67])|(?:\uD83D\uDC41\uFE0F\u200D\uD83D\uDDE8|\uD83D\uDC69(?:\uD83C\uDFFF\u200D[\u2695\u2696\u2708]|\uD83C\uDFFE\u200D[\u2695\u2696\u2708]|\uD83C\uDFFC\u200D[\u2695\u2696\u2708]|\uD83C\uDFFB\u200D[\u2695\u2696\u2708]|\uD83C\uDFFD\u200D[\u2695\u2696\u2708]|\u200D[\u2695\u2696\u2708])|(?:(?:\u26F9|\uD83C[\uDFCB\uDFCC]|\uD83D\uDD75)\uFE0F|\uD83D\uDC6F|\uD83E[\uDD3C\uDDDE\uDDDF])\u200D[\u2640\u2642]|(?:\u26F9|\uD83C[\uDFCB\uDFCC]|\uD83D\uDD75)(?:\uD83C[\uDFFB-\uDFFF])\u200D[\u2640\u2642]|(?:\uD83C[\uDFC3\uDFC4\uDFCA]|\uD83D[\uDC6E\uDC71\uDC73\uDC77\uDC81\uDC82\uDC86\uDC87\uDE45-\uDE47\uDE4B\uDE4D\uDE4E\uDEA3\uDEB4-\uDEB6]|\uD83E[\uDD26\uDD37-\uDD39\uDD3D\uDD3E\uDDB8\uDDB9\uDDCD-\uDDCF\uDDD6-\uDDDD])(?:(?:\uD83C[\uDFFB-\uDFFF])\u200D[\u2640\u2642]|\u200D[\u2640\u2642])|\uD83C\uDFF4\u200D\u2620)\uFE0F|\uD83D\uDC69\u200D\uD83D\uDC67\u200D(?:\uD83D[\uDC66\uDC67])|\uD83C\uDFF3\uFE0F\u200D\uD83C\uDF08|\uD83D\uDC15\u200D\uD83E\uDDBA|\uD83D\uDC69\u200D\uD83D\uDC66|\uD83D\uDC69\u200D\uD83D\uDC67|\uD83C\uDDFD\uD83C\uDDF0|\uD83C\uDDF4\uD83C\uDDF2|\uD83C\uDDF6\uD83C\uDDE6|[#\*0-9]\uFE0F\u20E3|\uD83C\uDDE7(?:\uD83C[\uDDE6\uDDE7\uDDE9-\uDDEF\uDDF1-\uDDF4\uDDF6-\uDDF9\uDDFB\uDDFC\uDDFE\uDDFF])|\uD83C\uDDF9(?:\uD83C[\uDDE6\uDDE8\uDDE9\uDDEB-\uDDED\uDDEF-\uDDF4\uDDF7\uDDF9\uDDFB\uDDFC\uDDFF])|\uD83C\uDDEA(?:\uD83C[\uDDE6\uDDE8\uDDEA\uDDEC\uDDED\uDDF7-\uDDFA])|\uD83E\uDDD1(?:\uD83C[\uDFFB-\uDFFF])|\uD83C\uDDF7(?:\uD83C[\uDDEA\uDDF4\uDDF8\uDDFA\uDDFC])|\uD83D\uDC69(?:\uD83C[\uDFFB-\uDFFF])|\uD83C\uDDF2(?:\uD83C[\uDDE6\uDDE8-\uDDED\uDDF0-\uDDFF])|\uD83C\uDDE6(?:\uD83C[\uDDE8-\uDDEC\uDDEE\uDDF1\uDDF2\uDDF4\uDDF6-\uDDFA\uDDFC\uDDFD\uDDFF])|\uD83C\uDDF0(?:\uD83C[\uDDEA\uDDEC-\uDDEE\uDDF2\uDDF3\uDDF5\uDDF7\uDDFC\uDDFE\uDDFF])|\uD83C\uDDED(?:\uD83C[\uDDF0\uDDF2\uDDF3\uDDF7\uDDF9\uDDFA])|\uD83C\uDDE9(?:\uD83C[\uDDEA\uDDEC\uDDEF\uDDF0\uDDF2\uDDF4\uDDFF])|\uD83C\uDDFE(?:\uD83C[\uDDEA\uDDF9])|\uD83C\uDDEC(?:\uD83C[\uDDE6\uDDE7\uDDE9-\uDDEE\uDDF1-\uDDF3\uDDF5-\uDDFA\uDDFC\uDDFE])|\uD83C\uDDF8(?:\uD83C[\uDDE6-\uDDEA\uDDEC-\uDDF4\uDDF7-\uDDF9\uDDFB\uDDFD-\uDDFF])|\uD83C\uDDEB(?:\uD83C[\uDDEE-\uDDF0\uDDF2\uDDF4\uDDF7])|\uD83C\uDDF5(?:\uD83C[\uDDE6\uDDEA-\uDDED\uDDF0-\uDDF3\uDDF7-\uDDF9\uDDFC\uDDFE])|\uD83C\uDDFB(?:\uD83C[\uDDE6\uDDE8\uDDEA\uDDEC\uDDEE\uDDF3\uDDFA])|\uD83C\uDDF3(?:\uD83C[\uDDE6\uDDE8\uDDEA-\uDDEC\uDDEE\uDDF1\uDDF4\uDDF5\uDDF7\uDDFA\uDDFF])|\uD83C\uDDE8(?:\uD83C[\uDDE6\uDDE8\uDDE9\uDDEB-\uDDEE\uDDF0-\uDDF5\uDDF7\uDDFA-\uDDFF])|\uD83C\uDDF1(?:\uD83C[\uDDE6-\uDDE8\uDDEE\uDDF0\uDDF7-\uDDFB\uDDFE])|\uD83C\uDDFF(?:\uD83C[\uDDE6\uDDF2\uDDFC])|\uD83C\uDDFC(?:\uD83C[\uDDEB\uDDF8])|\uD83C\uDDFA(?:\uD83C[\uDDE6\uDDEC\uDDF2\uDDF3\uDDF8\uDDFE\uDDFF])|\uD83C\uDDEE(?:\uD83C[\uDDE8-\uDDEA\uDDF1-\uDDF4\uDDF6-\uDDF9])|\uD83C\uDDEF(?:\uD83C[\uDDEA\uDDF2\uDDF4\uDDF5])|(?:\uD83C[\uDFC3\uDFC4\uDFCA]|\uD83D[\uDC6E\uDC71\uDC73\uDC77\uDC81\uDC82\uDC86\uDC87\uDE45-\uDE47\uDE4B\uDE4D\uDE4E\uDEA3\uDEB4-\uDEB6]|\uD83E[\uDD26\uDD37-\uDD39\uDD3D\uDD3E\uDDB8\uDDB9\uDDCD-\uDDCF\uDDD6-\uDDDD])(?:\uD83C[\uDFFB-\uDFFF])|(?:\u26F9|\uD83C[\uDFCB\uDFCC]|\uD83D\uDD75)(?:\uD83C[\uDFFB-\uDFFF])|(?:[\u261D\u270A-\u270D]|\uD83C[\uDF85\uDFC2\uDFC7]|\uD83D[\uDC42\uDC43\uDC46-\uDC50\uDC66\uDC67\uDC6B-\uDC6D\uDC70\uDC72\uDC74-\uDC76\uDC78\uDC7C\uDC83\uDC85\uDCAA\uDD74\uDD7A\uDD90\uDD95\uDD96\uDE4C\uDE4F\uDEC0\uDECC]|\uD83E[\uDD0F\uDD18-\uDD1C\uDD1E\uDD1F\uDD30-\uDD36\uDDB5\uDDB6\uDDBB\uDDD2-\uDDD5])(?:\uD83C[\uDFFB-\uDFFF])|(?:[\u231A\u231B\u23E9-\u23EC\u23F0\u23F3\u25FD\u25FE\u2614\u2615\u2648-\u2653\u267F\u2693\u26A1\u26AA\u26AB\u26BD\u26BE\u26C4\u26C5\u26CE\u26D4\u26EA\u26F2\u26F3\u26F5\u26FA\u26FD\u2705\u270A\u270B\u2728\u274C\u274E\u2753-\u2755\u2757\u2795-\u2797\u27B0\u27BF\u2B1B\u2B1C\u2B50\u2B55]|\uD83C[\uDC04\uDCCF\uDD8E\uDD91-\uDD9A\uDDE6-\uDDFF\uDE01\uDE1A\uDE2F\uDE32-\uDE36\uDE38-\uDE3A\uDE50\uDE51\uDF00-\uDF20\uDF2D-\uDF35\uDF37-\uDF7C\uDF7E-\uDF93\uDFA0-\uDFCA\uDFCF-\uDFD3\uDFE0-\uDFF0\uDFF4\uDFF8-\uDFFF]|\uD83D[\uDC00-\uDC3E\uDC40\uDC42-\uDCFC\uDCFF-\uDD3D\uDD4B-\uDD4E\uDD50-\uDD67\uDD7A\uDD95\uDD96\uDDA4\uDDFB-\uDE4F\uDE80-\uDEC5\uDECC\uDED0-\uDED2\uDED5\uDEEB\uDEEC\uDEF4-\uDEFA\uDFE0-\uDFEB]|\uD83E[\uDD0D-\uDD3A\uDD3C-\uDD45\uDD47-\uDD71\uDD73-\uDD76\uDD7A-\uDDA2\uDDA5-\uDDAA\uDDAE-\uDDCA\uDDCD-\uDDFF\uDE70-\uDE73\uDE78-\uDE7A\uDE80-\uDE82\uDE90-\uDE95])|(?:[#\*0-9\xA9\xAE\u203C\u2049\u2122\u2139\u2194-\u2199\u21A9\u21AA\u231A\u231B\u2328\u23CF\u23E9-\u23F3\u23F8-\u23FA\u24C2\u25AA\u25AB\u25B6\u25C0\u25FB-\u25FE\u2600-\u2604\u260E\u2611\u2614\u2615\u2618\u261D\u2620\u2622\u2623\u2626\u262A\u262E\u262F\u2638-\u263A\u2640\u2642\u2648-\u2653\u265F\u2660\u2663\u2665\u2666\u2668\u267B\u267E\u267F\u2692-\u2697\u2699\u269B\u269C\u26A0\u26A1\u26AA\u26AB\u26B0\u26B1\u26BD\u26BE\u26C4\u26C5\u26C8\u26CE\u26CF\u26D1\u26D3\u26D4\u26E9\u26EA\u26F0-\u26F5\u26F7-\u26FA\u26FD\u2702\u2705\u2708-\u270D\u270F\u2712\u2714\u2716\u271D\u2721\u2728\u2733\u2734\u2744\u2747\u274C\u274E\u2753-\u2755\u2757\u2763\u2764\u2795-\u2797\u27A1\u27B0\u27BF\u2934\u2935\u2B05-\u2B07\u2B1B\u2B1C\u2B50\u2B55\u3030\u303D\u3297\u3299]|\uD83C[\uDC04\uDCCF\uDD70\uDD71\uDD7E\uDD7F\uDD8E\uDD91-\uDD9A\uDDE6-\uDDFF\uDE01\uDE02\uDE1A\uDE2F\uDE32-\uDE3A\uDE50\uDE51\uDF00-\uDF21\uDF24-\uDF93\uDF96\uDF97\uDF99-\uDF9B\uDF9E-\uDFF0\uDFF3-\uDFF5\uDFF7-\uDFFF]|\uD83D[\uDC00-\uDCFD\uDCFF-\uDD3D\uDD49-\uDD4E\uDD50-\uDD67\uDD6F\uDD70\uDD73-\uDD7A\uDD87\uDD8A-\uDD8D\uDD90\uDD95\uDD96\uDDA4\uDDA5\uDDA8\uDDB1\uDDB2\uDDBC\uDDC2-\uDDC4\uDDD1-\uDDD3\uDDDC-\uDDDE\uDDE1\uDDE3\uDDE8\uDDEF\uDDF3\uDDFA-\uDE4F\uDE80-\uDEC5\uDECB-\uDED2\uDED5\uDEE0-\uDEE5\uDEE9\uDEEB\uDEEC\uDEF0\uDEF3-\uDEFA\uDFE0-\uDFEB]|\uD83E[\uDD0D-\uDD3A\uDD3C-\uDD45\uDD47-\uDD71\uDD73-\uDD76\uDD7A-\uDDA2\uDDA5-\uDDAA\uDDAE-\uDDCA\uDDCD-\uDDFF\uDE70-\uDE73\uDE78-\uDE7A\uDE80-\uDE82\uDE90-\uDE95])\uFE0F|(?:[\u261D\u26F9\u270A-\u270D]|\uD83C[\uDF85\uDFC2-\uDFC4\uDFC7\uDFCA-\uDFCC]|\uD83D[\uDC42\uDC43\uDC46-\uDC50\uDC66-\uDC78\uDC7C\uDC81-\uDC83\uDC85-\uDC87\uDC8F\uDC91\uDCAA\uDD74\uDD75\uDD7A\uDD90\uDD95\uDD96\uDE45-\uDE47\uDE4B-\uDE4F\uDEA3\uDEB4-\uDEB6\uDEC0\uDECC]|\uD83E[\uDD0F\uDD18-\uDD1F\uDD26\uDD30-\uDD39\uDD3C-\uDD3E\uDDB5\uDDB6\uDDB8\uDDB9\uDDBB\uDDCD-\uDDCF\uDDD1-\uDDDD])/g; +}; + +const stringWidth = string => { + string = string.replace(emojiRegex(), ' '); + + if (typeof string !== 'string' || string.length === 0) { + return 0; + } + + string = stripAnsi(string); + + let width = 0; + + for (let i = 0; i < string.length; i++) { + const code = string.codePointAt(i); + + // Ignore control characters + if (code <= 0x1F || (code >= 0x7F && code <= 0x9F)) { + continue; + } + + // Ignore combining characters + if (code >= 0x300 && code <= 0x36F) { + continue; + } + + // Surrogates + if (code > 0xFFFF) { + i++; + } + + width += isFullwidthCodePoint_1(code) ? 2 : 1; + } + + return width; +}; + +var stringWidth_1 = stringWidth; +// TODO: remove this in the next major version +var default_1$1 = stringWidth; +stringWidth_1.default = default_1$1; + +/*! + * repeat-string + * + * Copyright (c) 2014-2015, Jon Schlinkert. + * Licensed under the MIT License. + */ + +/** + * Results cache + */ + +var res = ''; +var cache; + +/** + * Expose `repeat` + */ + +var repeatString = repeat$1; + +/** + * Repeat the given `string` the specified `number` + * of times. + * + * **Example:** + * + * ```js + * var repeat = require('repeat-string'); + * repeat('A', 5); + * //=> AAAAA + * ``` + * + * @param {String} `string` The string to repeat + * @param {Number} `number` The number of times to repeat the string + * @return {String} Repeated string + * @api public + */ + +function repeat$1(str, num) { + if (typeof str !== 'string') { + throw new TypeError('expected a string'); + } + + // cover common, quick use cases + if (num === 1) return str; + if (num === 2) return str + str; + + var max = str.length * num; + if (cache !== str || typeof cache === 'undefined') { + cache = str; + res = ''; + } else if (res.length >= max) { + return res.substr(0, max); + } + + while (max > res.length && num > 1) { + if (num & 1) { + res += str; + } + + num >>= 1; + str += str; + } + + res += str; + res = res.substr(0, max); + return res; +} + +var vfileSort = sort; + +var severities = { + true: 2, + false: 1, + null: 0, + undefined: 0 +}; + +function sort(file) { + file.messages.sort(comparator); + return file +} + +function comparator(a, b) { + return ( + check$1(a, b, 'line') || + check$1(a, b, 'column') || + severities[b.fatal] - severities[a.fatal] || + compare(a, b, 'source') || + compare(a, b, 'ruleId') || + compare(a, b, 'reason') || + 0 + ) +} + +function check$1(a, b, property) { + return (a[property] || 0) - (b[property] || 0) +} + +function compare(a, b, property) { + return (a[property] || '').localeCompare(b[property] || '') +} + +var supported = supportsColor_1$1.stderr.hasBasic; + + + + + + +var vfileReporter = reporter; + +// Check which characters should be used. +var windows$1 = process.platform === 'win32'; +// `log-symbols` without chalk: +/* istanbul ignore next - Windows. */ +var chars = windows$1 ? {error: '×', warning: '‼'} : {error: '✖', warning: '⚠'}; + +// Match trailing white-space. +var trailing = /\s*$/; + +// Default filename. +var DEFAULT = ''; + +var noop = {open: '', close: ''}; + +var colors = { + underline: {open: '\u001B[4m', close: '\u001B[24m'}, + red: {open: '\u001B[31m', close: '\u001B[39m'}, + yellow: {open: '\u001B[33m', close: '\u001B[39m'}, + green: {open: '\u001B[32m', close: '\u001B[39m'} +}; + +var noops = { + underline: noop, + red: noop, + yellow: noop, + green: noop +}; + +var labels = { + true: 'error', + false: 'warning', + null: 'info', + undefined: 'info' +}; + +// Report a file’s messages. +function reporter(files, options) { + var settings = options || {}; + var one; + + if (!files) { + return '' + } + + // Error. + if ('name' in files && 'message' in files) { + return String(files.stack || files) + } + + // One file. + if (!('length' in files)) { + one = true; + files = [files]; + } + + return compile$1(parse$4(filter$1(files, settings), settings), one, settings) +} + +function filter$1(files, options) { + var result = []; + var length = files.length; + var index = -1; + var file; + + if (!options.quiet && !options.silent) { + return files.concat() + } + + while (++index < length) { + file = files[index]; + + if (applicable(file, options).length !== 0) { + result.push(file); + } + } + + return result +} + +function parse$4(files, options) { + var length = files.length; + var index = -1; + var rows = []; + var all = []; + var locationSize = 0; + var labelSize = 0; + var reasonSize = 0; + var ruleIdSize = 0; + var file; + var destination; + var origin; + var messages; + var offset; + var count; + var message; + var loc; + var reason; + var label; + var id; + + while (++index < length) { + file = files[index]; + destination = file.path; + origin = file.history[0] || destination; + messages = vfileSort({messages: applicable(file, options)}).messages; + + if (rows.length !== 0 && rows[rows.length - 1].type !== 'header') { + rows.push({type: 'separator'}); + } + + rows.push({ + type: 'header', + origin: origin, + destination: destination, + name: origin || options.defaultName || DEFAULT, + stored: Boolean(file.stored), + moved: Boolean(file.stored && destination !== origin), + stats: vfileStatistics(messages) + }); + + offset = -1; + count = messages.length; + + while (++offset < count) { + message = messages[offset]; + id = message.ruleId || ''; + reason = message.stack || message.message; + loc = message.location; + loc = unistUtilStringifyPosition(loc.end.line && loc.end.column ? loc : loc.start); + + if (options.verbose && message.note) { + reason += '\n' + message.note; + } + + label = labels[message.fatal]; + + rows.push({ + location: loc, + label: label, + reason: reason, + ruleId: id, + source: message.source + }); + + locationSize = Math.max(realLength(loc), locationSize); + labelSize = Math.max(realLength(label), labelSize); + reasonSize = Math.max(realLength(reason), reasonSize); + ruleIdSize = Math.max(realLength(id), ruleIdSize); + } + + all = all.concat(messages); + } + + return { + rows: rows, + statistics: vfileStatistics(all), + location: locationSize, + label: labelSize, + reason: reasonSize, + ruleId: ruleIdSize + } +} + +// eslint-disable-next-line complexity +function compile$1(map, one, options) { + var enabled = options.color; + var all = map.statistics; + var rows = map.rows; + var length = rows.length; + var index = -1; + var lines = []; + var row; + var line; + var style; + var color; + var reason; + var rest; + var position; + + if (enabled === null || enabled === undefined) { + enabled = supported; + } + + style = enabled ? colors : noops; + + while (++index < length) { + row = rows[index]; + + if (row.type === 'separator') { + lines.push(''); + } else if (row.type === 'header') { + if (one && !options.defaultName && !row.origin) { + line = ''; + } else { + color = + style[row.stats.fatal ? 'red' : row.stats.total ? 'yellow' : 'green']; + line = + style.underline.open + + color.open + + row.name + + color.close + + style.underline.close; + line += row.moved ? ' > ' + row.destination : ''; + } + + if (!row.stats.total) { + line += line ? ': ' : ''; + + if (row.stored) { + line += style.yellow.open + 'written' + style.yellow.close; + } else { + line += 'no issues found'; + } + } + + if (line) { + lines.push(line); + } + } else { + color = style[row.label === 'error' ? 'red' : 'yellow']; + + reason = row.reason; + rest = ''; + position = reason.indexOf('\n'); + + if (position !== -1) { + rest = reason.slice(position); + reason = reason.slice(0, position); + } + + lines.push( + [ + '', + padLeft(row.location, map.location), + padRight(color.open + row.label + color.close, map.label), + padRight(reason, map.reason), + padRight(row.ruleId, map.ruleId), + row.source || '' + ] + .join(' ') + .replace(trailing, '') + rest + ); + } + } + + if (all.fatal || all.warn) { + line = []; + + if (all.fatal) { + line.push( + [ + style.red.open + chars.error + style.red.close, + all.fatal, + plural$1(labels.true, all.fatal) + ].join(' ') + ); + } + + if (all.warn) { + line.push( + [ + style.yellow.open + chars.warning + style.yellow.close, + all.warn, + plural$1(labels.false, all.warn) + ].join(' ') + ); + } + + line = line.join(', '); + + if (all.total !== all.fatal && all.total !== all.warn) { + line = all.total + ' messages (' + line + ')'; + } + + lines.push('', line); + } + + return lines.join('\n') +} + +function applicable(file, options) { + var messages = file.messages; + var length = messages.length; + var index = -1; + var result = []; + + if (options.silent) { + while (++index < length) { + if (messages[index].fatal) { + result.push(messages[index]); + } + } + } else { + result = messages.concat(); + } + + return result +} + +// Get the length of `value`, ignoring ANSI sequences. +function realLength(value) { + var length = value.indexOf('\n'); + return stringWidth_1(length === -1 ? value : value.slice(0, length)) +} + +// Pad `value` on the left. +function padLeft(value, minimum) { + return repeatString(' ', minimum - realLength(value)) + value +} + +// Pad `value` on the right. +function padRight(value, minimum) { + return value + repeatString(' ', minimum - realLength(value)) +} + +function plural$1(value, count) { + return count === 1 ? value : value + 's' +} + +var log_1 = log; + +var prefix$1 = 'vfile-reporter'; + +function log(context, settings, next) { + var reporter = settings.reporter || vfileReporter; + var diagnostics; + + if (xIsString(reporter)) { + try { + reporter = loadPlugin_1(reporter, {cwd: settings.cwd, prefix: prefix$1}); + } catch (error) { + next(new Error('Could not find reporter `' + reporter + '`')); + return + } + } + + diagnostics = reporter( + context.files.filter(given), + immutable(settings.reporterOptions, { + quiet: settings.quiet, + silent: settings.silent, + color: settings.color + }) + ); + + if (diagnostics) { + if (diagnostics.charAt(diagnostics.length - 1) !== '\n') { + diagnostics += '\n'; + } + + settings.streamError.write(diagnostics, next); + } else { + next(); + } +} + +function given(file) { + return file.data.unifiedEngineGiven +} + +var fileSetPipeline = trough_1() + .use(configure_1) + .use(fileSystem_1) + .use(stdin_1) + .use(transform_1$1) + .use(log_1); + +var PassThrough = stream.PassThrough; + + + +var lib$1 = run; + +// Run the file set pipeline once. +// `callback` is invoked with a fatal error, or with a status code (`0` on +// success, `1` on failure). +function run(options, callback) { + var settings = {}; + var stdin = new PassThrough(); + var tree; + var detectConfig; + var hasConfig; + var detectIgnore; + var hasIgnore; + + try { + stdin = process.stdin; + } catch (error) { + // Obscure bug in Node (seen on Windows). + // See: , + // . + } + + if (!callback) { + throw new Error('Missing `callback`') + } + + if (!options || !options.processor) { + return next(new Error('Missing `processor`')) + } + + // Processor. + settings.processor = options.processor; + + // Path to run as. + settings.cwd = options.cwd || process.cwd(); + + // Input. + settings.files = options.files || []; + settings.extensions = (options.extensions || []).map(extension); + + settings.filePath = options.filePath || null; + settings.streamIn = options.streamIn || stdin; + + // Output. + settings.streamOut = options.streamOut || process.stdout; + settings.streamError = options.streamError || process.stderr; + settings.alwaysStringify = options.alwaysStringify; + settings.output = options.output; + settings.out = options.out; + + // Null overwrites config settings, `undefined` does not. + if (settings.output === null || settings.output === undefined) { + settings.output = undefined; + } + + if (settings.output && settings.out) { + return next(new Error('Cannot accept both `output` and `out`')) + } + + // Process phase management. + tree = options.tree || false; + + settings.treeIn = options.treeIn; + settings.treeOut = options.treeOut; + settings.inspect = options.inspect; + + if (settings.treeIn === null || settings.treeIn === undefined) { + settings.treeIn = tree; + } + + if (settings.treeOut === null || settings.treeOut === undefined) { + settings.treeOut = tree; + } + + // Configuration. + detectConfig = options.detectConfig; + hasConfig = Boolean(options.rcName || options.packageField); + + if (detectConfig && !hasConfig) { + return next( + new Error('Missing `rcName` or `packageField` with `detectConfig`') + ) + } + + settings.detectConfig = + detectConfig === null || detectConfig === undefined + ? hasConfig + : detectConfig; + settings.rcName = options.rcName || null; + settings.rcPath = options.rcPath || null; + settings.packageField = options.packageField || null; + settings.settings = options.settings || {}; + settings.configTransform = options.configTransform; + settings.defaultConfig = options.defaultConfig; + + // Ignore. + detectIgnore = options.detectIgnore; + hasIgnore = Boolean(options.ignoreName); + + settings.detectIgnore = + detectIgnore === null || detectIgnore === undefined + ? hasIgnore + : detectIgnore; + settings.ignoreName = options.ignoreName || null; + settings.ignorePath = options.ignorePath || null; + settings.ignorePatterns = options.ignorePatterns || []; + settings.silentlyIgnore = Boolean(options.silentlyIgnore); + + if (detectIgnore && !hasIgnore) { + return next(new Error('Missing `ignoreName` with `detectIgnore`')) + } + + // Plugins. + settings.pluginPrefix = options.pluginPrefix || null; + settings.plugins = options.plugins || {}; + + // Reporting. + settings.reporter = options.reporter || null; + settings.reporterOptions = options.reporterOptions || null; + settings.color = options.color || false; + settings.silent = options.silent || false; + settings.quiet = options.quiet || false; + settings.frail = options.frail || false; + + // Process. + fileSetPipeline.run({files: options.files || []}, settings, next); + + function next(error, context) { + var stats = vfileStatistics((context || {}).files); + var failed = Boolean( + settings.frail ? stats.fatal || stats.warn : stats.fatal + ); + + if (error) { + callback(error); + } else { + callback(null, failed ? 1 : 0, context); + } + } +} + +function extension(ext) { + return ext.charAt(0) === '.' ? ext : '.' + ext +} + +var matchOperatorsRe = /[|\\{}()[\]^$+*?.]/g; + +var escapeStringRegexp = function (str) { + if (typeof str !== 'string') { + throw new TypeError('Expected a string'); + } + + return str.replace(matchOperatorsRe, '\\$&'); +}; + +var colorName = { + "aliceblue": [240, 248, 255], + "antiquewhite": [250, 235, 215], + "aqua": [0, 255, 255], + "aquamarine": [127, 255, 212], + "azure": [240, 255, 255], + "beige": [245, 245, 220], + "bisque": [255, 228, 196], + "black": [0, 0, 0], + "blanchedalmond": [255, 235, 205], + "blue": [0, 0, 255], + "blueviolet": [138, 43, 226], + "brown": [165, 42, 42], + "burlywood": [222, 184, 135], + "cadetblue": [95, 158, 160], + "chartreuse": [127, 255, 0], + "chocolate": [210, 105, 30], + "coral": [255, 127, 80], + "cornflowerblue": [100, 149, 237], + "cornsilk": [255, 248, 220], + "crimson": [220, 20, 60], + "cyan": [0, 255, 255], + "darkblue": [0, 0, 139], + "darkcyan": [0, 139, 139], + "darkgoldenrod": [184, 134, 11], + "darkgray": [169, 169, 169], + "darkgreen": [0, 100, 0], + "darkgrey": [169, 169, 169], + "darkkhaki": [189, 183, 107], + "darkmagenta": [139, 0, 139], + "darkolivegreen": [85, 107, 47], + "darkorange": [255, 140, 0], + "darkorchid": [153, 50, 204], + "darkred": [139, 0, 0], + "darksalmon": [233, 150, 122], + "darkseagreen": [143, 188, 143], + "darkslateblue": [72, 61, 139], + "darkslategray": [47, 79, 79], + "darkslategrey": [47, 79, 79], + "darkturquoise": [0, 206, 209], + "darkviolet": [148, 0, 211], + "deeppink": [255, 20, 147], + "deepskyblue": [0, 191, 255], + "dimgray": [105, 105, 105], + "dimgrey": [105, 105, 105], + "dodgerblue": [30, 144, 255], + "firebrick": [178, 34, 34], + "floralwhite": [255, 250, 240], + "forestgreen": [34, 139, 34], + "fuchsia": [255, 0, 255], + "gainsboro": [220, 220, 220], + "ghostwhite": [248, 248, 255], + "gold": [255, 215, 0], + "goldenrod": [218, 165, 32], + "gray": [128, 128, 128], + "green": [0, 128, 0], + "greenyellow": [173, 255, 47], + "grey": [128, 128, 128], + "honeydew": [240, 255, 240], + "hotpink": [255, 105, 180], + "indianred": [205, 92, 92], + "indigo": [75, 0, 130], + "ivory": [255, 255, 240], + "khaki": [240, 230, 140], + "lavender": [230, 230, 250], + "lavenderblush": [255, 240, 245], + "lawngreen": [124, 252, 0], + "lemonchiffon": [255, 250, 205], + "lightblue": [173, 216, 230], + "lightcoral": [240, 128, 128], + "lightcyan": [224, 255, 255], + "lightgoldenrodyellow": [250, 250, 210], + "lightgray": [211, 211, 211], + "lightgreen": [144, 238, 144], + "lightgrey": [211, 211, 211], + "lightpink": [255, 182, 193], + "lightsalmon": [255, 160, 122], + "lightseagreen": [32, 178, 170], + "lightskyblue": [135, 206, 250], + "lightslategray": [119, 136, 153], + "lightslategrey": [119, 136, 153], + "lightsteelblue": [176, 196, 222], + "lightyellow": [255, 255, 224], + "lime": [0, 255, 0], + "limegreen": [50, 205, 50], + "linen": [250, 240, 230], + "magenta": [255, 0, 255], + "maroon": [128, 0, 0], + "mediumaquamarine": [102, 205, 170], + "mediumblue": [0, 0, 205], + "mediumorchid": [186, 85, 211], + "mediumpurple": [147, 112, 219], + "mediumseagreen": [60, 179, 113], + "mediumslateblue": [123, 104, 238], + "mediumspringgreen": [0, 250, 154], + "mediumturquoise": [72, 209, 204], + "mediumvioletred": [199, 21, 133], + "midnightblue": [25, 25, 112], + "mintcream": [245, 255, 250], + "mistyrose": [255, 228, 225], + "moccasin": [255, 228, 181], + "navajowhite": [255, 222, 173], + "navy": [0, 0, 128], + "oldlace": [253, 245, 230], + "olive": [128, 128, 0], + "olivedrab": [107, 142, 35], + "orange": [255, 165, 0], + "orangered": [255, 69, 0], + "orchid": [218, 112, 214], + "palegoldenrod": [238, 232, 170], + "palegreen": [152, 251, 152], + "paleturquoise": [175, 238, 238], + "palevioletred": [219, 112, 147], + "papayawhip": [255, 239, 213], + "peachpuff": [255, 218, 185], + "peru": [205, 133, 63], + "pink": [255, 192, 203], + "plum": [221, 160, 221], + "powderblue": [176, 224, 230], + "purple": [128, 0, 128], + "rebeccapurple": [102, 51, 153], + "red": [255, 0, 0], + "rosybrown": [188, 143, 143], + "royalblue": [65, 105, 225], + "saddlebrown": [139, 69, 19], + "salmon": [250, 128, 114], + "sandybrown": [244, 164, 96], + "seagreen": [46, 139, 87], + "seashell": [255, 245, 238], + "sienna": [160, 82, 45], + "silver": [192, 192, 192], + "skyblue": [135, 206, 235], + "slateblue": [106, 90, 205], + "slategray": [112, 128, 144], + "slategrey": [112, 128, 144], + "snow": [255, 250, 250], + "springgreen": [0, 255, 127], + "steelblue": [70, 130, 180], + "tan": [210, 180, 140], + "teal": [0, 128, 128], + "thistle": [216, 191, 216], + "tomato": [255, 99, 71], + "turquoise": [64, 224, 208], + "violet": [238, 130, 238], + "wheat": [245, 222, 179], + "white": [255, 255, 255], + "whitesmoke": [245, 245, 245], + "yellow": [255, 255, 0], + "yellowgreen": [154, 205, 50] +}; + +var conversions = createCommonjsModule(function (module) { +/* MIT license */ + + +// NOTE: conversions should only return primitive values (i.e. arrays, or +// values that give correct `typeof` results). +// do not use box values types (i.e. Number(), String(), etc.) + +var reverseKeywords = {}; +for (var key in colorName) { + if (colorName.hasOwnProperty(key)) { + reverseKeywords[colorName[key]] = key; + } +} + +var convert = module.exports = { + rgb: {channels: 3, labels: 'rgb'}, + hsl: {channels: 3, labels: 'hsl'}, + hsv: {channels: 3, labels: 'hsv'}, + hwb: {channels: 3, labels: 'hwb'}, + cmyk: {channels: 4, labels: 'cmyk'}, + xyz: {channels: 3, labels: 'xyz'}, + lab: {channels: 3, labels: 'lab'}, + lch: {channels: 3, labels: 'lch'}, + hex: {channels: 1, labels: ['hex']}, + keyword: {channels: 1, labels: ['keyword']}, + ansi16: {channels: 1, labels: ['ansi16']}, + ansi256: {channels: 1, labels: ['ansi256']}, + hcg: {channels: 3, labels: ['h', 'c', 'g']}, + apple: {channels: 3, labels: ['r16', 'g16', 'b16']}, + gray: {channels: 1, labels: ['gray']} +}; + +// hide .channels and .labels properties +for (var model in convert) { + if (convert.hasOwnProperty(model)) { + if (!('channels' in convert[model])) { + throw new Error('missing channels property: ' + model); + } + + if (!('labels' in convert[model])) { + throw new Error('missing channel labels property: ' + model); + } + + if (convert[model].labels.length !== convert[model].channels) { + throw new Error('channel and label counts mismatch: ' + model); + } + + var channels = convert[model].channels; + var labels = convert[model].labels; + delete convert[model].channels; + delete convert[model].labels; + Object.defineProperty(convert[model], 'channels', {value: channels}); + Object.defineProperty(convert[model], 'labels', {value: labels}); + } +} + +convert.rgb.hsl = function (rgb) { + var r = rgb[0] / 255; + var g = rgb[1] / 255; + var b = rgb[2] / 255; + var min = Math.min(r, g, b); + var max = Math.max(r, g, b); + var delta = max - min; + var h; + var s; + var l; + + if (max === min) { + h = 0; + } else if (r === max) { + h = (g - b) / delta; + } else if (g === max) { + h = 2 + (b - r) / delta; + } else if (b === max) { + h = 4 + (r - g) / delta; + } + + h = Math.min(h * 60, 360); + + if (h < 0) { + h += 360; + } + + l = (min + max) / 2; + + if (max === min) { + s = 0; + } else if (l <= 0.5) { + s = delta / (max + min); + } else { + s = delta / (2 - max - min); + } + + return [h, s * 100, l * 100]; +}; + +convert.rgb.hsv = function (rgb) { + var rdif; + var gdif; + var bdif; + var h; + var s; + + var r = rgb[0] / 255; + var g = rgb[1] / 255; + var b = rgb[2] / 255; + var v = Math.max(r, g, b); + var diff = v - Math.min(r, g, b); + var diffc = function (c) { + return (v - c) / 6 / diff + 1 / 2; + }; + + if (diff === 0) { + h = s = 0; + } else { + s = diff / v; + rdif = diffc(r); + gdif = diffc(g); + bdif = diffc(b); + + if (r === v) { + h = bdif - gdif; + } else if (g === v) { + h = (1 / 3) + rdif - bdif; + } else if (b === v) { + h = (2 / 3) + gdif - rdif; + } + if (h < 0) { + h += 1; + } else if (h > 1) { + h -= 1; + } + } + + return [ + h * 360, + s * 100, + v * 100 + ]; +}; + +convert.rgb.hwb = function (rgb) { + var r = rgb[0]; + var g = rgb[1]; + var b = rgb[2]; + var h = convert.rgb.hsl(rgb)[0]; + var w = 1 / 255 * Math.min(r, Math.min(g, b)); + + b = 1 - 1 / 255 * Math.max(r, Math.max(g, b)); + + return [h, w * 100, b * 100]; +}; + +convert.rgb.cmyk = function (rgb) { + var r = rgb[0] / 255; + var g = rgb[1] / 255; + var b = rgb[2] / 255; + var c; + var m; + var y; + var k; + + k = Math.min(1 - r, 1 - g, 1 - b); + c = (1 - r - k) / (1 - k) || 0; + m = (1 - g - k) / (1 - k) || 0; + y = (1 - b - k) / (1 - k) || 0; + + return [c * 100, m * 100, y * 100, k * 100]; +}; + +/** + * See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance + * */ +function comparativeDistance(x, y) { + return ( + Math.pow(x[0] - y[0], 2) + + Math.pow(x[1] - y[1], 2) + + Math.pow(x[2] - y[2], 2) + ); +} + +convert.rgb.keyword = function (rgb) { + var reversed = reverseKeywords[rgb]; + if (reversed) { + return reversed; + } + + var currentClosestDistance = Infinity; + var currentClosestKeyword; + + for (var keyword in colorName) { + if (colorName.hasOwnProperty(keyword)) { + var value = colorName[keyword]; + + // Compute comparative distance + var distance = comparativeDistance(rgb, value); + + // Check if its less, if so set as closest + if (distance < currentClosestDistance) { + currentClosestDistance = distance; + currentClosestKeyword = keyword; + } + } + } + + return currentClosestKeyword; +}; + +convert.keyword.rgb = function (keyword) { + return colorName[keyword]; +}; + +convert.rgb.xyz = function (rgb) { + var r = rgb[0] / 255; + var g = rgb[1] / 255; + var b = rgb[2] / 255; + + // assume sRGB + r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); + g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); + b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); + + var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); + var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); + var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); + + return [x * 100, y * 100, z * 100]; +}; + +convert.rgb.lab = function (rgb) { + var xyz = convert.rgb.xyz(rgb); + var x = xyz[0]; + var y = xyz[1]; + var z = xyz[2]; + var l; + var a; + var b; + + x /= 95.047; + y /= 100; + z /= 108.883; + + x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116); + y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116); + z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; +}; + +convert.hsl.rgb = function (hsl) { + var h = hsl[0] / 360; + var s = hsl[1] / 100; + var l = hsl[2] / 100; + var t1; + var t2; + var t3; + var rgb; + var val; + + if (s === 0) { + val = l * 255; + return [val, val, val]; + } + + if (l < 0.5) { + t2 = l * (1 + s); + } else { + t2 = l + s - l * s; + } + + t1 = 2 * l - t2; + + rgb = [0, 0, 0]; + for (var i = 0; i < 3; i++) { + t3 = h + 1 / 3 * -(i - 1); + if (t3 < 0) { + t3++; + } + if (t3 > 1) { + t3--; + } + + if (6 * t3 < 1) { + val = t1 + (t2 - t1) * 6 * t3; + } else if (2 * t3 < 1) { + val = t2; + } else if (3 * t3 < 2) { + val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; + } else { + val = t1; + } + + rgb[i] = val * 255; + } + + return rgb; +}; + +convert.hsl.hsv = function (hsl) { + var h = hsl[0]; + var s = hsl[1] / 100; + var l = hsl[2] / 100; + var smin = s; + var lmin = Math.max(l, 0.01); + var sv; + var v; + + l *= 2; + s *= (l <= 1) ? l : 2 - l; + smin *= lmin <= 1 ? lmin : 2 - lmin; + v = (l + s) / 2; + sv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s); + + return [h, sv * 100, v * 100]; +}; + +convert.hsv.rgb = function (hsv) { + var h = hsv[0] / 60; + var s = hsv[1] / 100; + var v = hsv[2] / 100; + var hi = Math.floor(h) % 6; + + var f = h - Math.floor(h); + var p = 255 * v * (1 - s); + var q = 255 * v * (1 - (s * f)); + var t = 255 * v * (1 - (s * (1 - f))); + v *= 255; + + switch (hi) { + case 0: + return [v, t, p]; + case 1: + return [q, v, p]; + case 2: + return [p, v, t]; + case 3: + return [p, q, v]; + case 4: + return [t, p, v]; + case 5: + return [v, p, q]; + } +}; + +convert.hsv.hsl = function (hsv) { + var h = hsv[0]; + var s = hsv[1] / 100; + var v = hsv[2] / 100; + var vmin = Math.max(v, 0.01); + var lmin; + var sl; + var l; + + l = (2 - s) * v; + lmin = (2 - s) * vmin; + sl = s * vmin; + sl /= (lmin <= 1) ? lmin : 2 - lmin; + sl = sl || 0; + l /= 2; + + return [h, sl * 100, l * 100]; +}; + +// http://dev.w3.org/csswg/css-color/#hwb-to-rgb +convert.hwb.rgb = function (hwb) { + var h = hwb[0] / 360; + var wh = hwb[1] / 100; + var bl = hwb[2] / 100; + var ratio = wh + bl; + var i; + var v; + var f; + var n; + + // wh + bl cant be > 1 + if (ratio > 1) { + wh /= ratio; + bl /= ratio; + } + + i = Math.floor(6 * h); + v = 1 - bl; + f = 6 * h - i; + + if ((i & 0x01) !== 0) { + f = 1 - f; + } + + n = wh + f * (v - wh); // linear interpolation + + var r; + var g; + var b; + switch (i) { + default: + case 6: + case 0: r = v; g = n; b = wh; break; + case 1: r = n; g = v; b = wh; break; + case 2: r = wh; g = v; b = n; break; + case 3: r = wh; g = n; b = v; break; + case 4: r = n; g = wh; b = v; break; + case 5: r = v; g = wh; b = n; break; + } + + return [r * 255, g * 255, b * 255]; +}; + +convert.cmyk.rgb = function (cmyk) { + var c = cmyk[0] / 100; + var m = cmyk[1] / 100; + var y = cmyk[2] / 100; + var k = cmyk[3] / 100; + var r; + var g; + var b; + + r = 1 - Math.min(1, c * (1 - k) + k); + g = 1 - Math.min(1, m * (1 - k) + k); + b = 1 - Math.min(1, y * (1 - k) + k); + + return [r * 255, g * 255, b * 255]; +}; + +convert.xyz.rgb = function (xyz) { + var x = xyz[0] / 100; + var y = xyz[1] / 100; + var z = xyz[2] / 100; + var r; + var g; + var b; + + r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); + g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); + b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); + + // assume sRGB + r = r > 0.0031308 + ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) + : r * 12.92; + + g = g > 0.0031308 + ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) + : g * 12.92; + + b = b > 0.0031308 + ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) + : b * 12.92; + + r = Math.min(Math.max(0, r), 1); + g = Math.min(Math.max(0, g), 1); + b = Math.min(Math.max(0, b), 1); + + return [r * 255, g * 255, b * 255]; +}; + +convert.xyz.lab = function (xyz) { + var x = xyz[0]; + var y = xyz[1]; + var z = xyz[2]; + var l; + var a; + var b; + + x /= 95.047; + y /= 100; + z /= 108.883; + + x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116); + y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116); + z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; +}; + +convert.lab.xyz = function (lab) { + var l = lab[0]; + var a = lab[1]; + var b = lab[2]; + var x; + var y; + var z; + + y = (l + 16) / 116; + x = a / 500 + y; + z = y - b / 200; + + var y2 = Math.pow(y, 3); + var x2 = Math.pow(x, 3); + var z2 = Math.pow(z, 3); + y = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787; + x = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787; + z = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787; + + x *= 95.047; + y *= 100; + z *= 108.883; + + return [x, y, z]; +}; + +convert.lab.lch = function (lab) { + var l = lab[0]; + var a = lab[1]; + var b = lab[2]; + var hr; + var h; + var c; + + hr = Math.atan2(b, a); + h = hr * 360 / 2 / Math.PI; + + if (h < 0) { + h += 360; + } + + c = Math.sqrt(a * a + b * b); + + return [l, c, h]; +}; + +convert.lch.lab = function (lch) { + var l = lch[0]; + var c = lch[1]; + var h = lch[2]; + var a; + var b; + var hr; + + hr = h / 360 * 2 * Math.PI; + a = c * Math.cos(hr); + b = c * Math.sin(hr); + + return [l, a, b]; +}; + +convert.rgb.ansi16 = function (args) { + var r = args[0]; + var g = args[1]; + var b = args[2]; + var value = 1 in arguments ? arguments[1] : convert.rgb.hsv(args)[2]; // hsv -> ansi16 optimization + + value = Math.round(value / 50); + + if (value === 0) { + return 30; + } + + var ansi = 30 + + ((Math.round(b / 255) << 2) + | (Math.round(g / 255) << 1) + | Math.round(r / 255)); + + if (value === 2) { + ansi += 60; + } + + return ansi; +}; + +convert.hsv.ansi16 = function (args) { + // optimization here; we already know the value and don't need to get + // it converted for us. + return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]); +}; + +convert.rgb.ansi256 = function (args) { + var r = args[0]; + var g = args[1]; + var b = args[2]; + + // we use the extended greyscale palette here, with the exception of + // black and white. normal palette only has 4 greyscale shades. + if (r === g && g === b) { + if (r < 8) { + return 16; + } + + if (r > 248) { + return 231; + } + + return Math.round(((r - 8) / 247) * 24) + 232; + } + + var ansi = 16 + + (36 * Math.round(r / 255 * 5)) + + (6 * Math.round(g / 255 * 5)) + + Math.round(b / 255 * 5); + + return ansi; +}; + +convert.ansi16.rgb = function (args) { + var color = args % 10; + + // handle greyscale + if (color === 0 || color === 7) { + if (args > 50) { + color += 3.5; + } + + color = color / 10.5 * 255; + + return [color, color, color]; + } + + var mult = (~~(args > 50) + 1) * 0.5; + var r = ((color & 1) * mult) * 255; + var g = (((color >> 1) & 1) * mult) * 255; + var b = (((color >> 2) & 1) * mult) * 255; + + return [r, g, b]; +}; + +convert.ansi256.rgb = function (args) { + // handle greyscale + if (args >= 232) { + var c = (args - 232) * 10 + 8; + return [c, c, c]; + } + + args -= 16; + + var rem; + var r = Math.floor(args / 36) / 5 * 255; + var g = Math.floor((rem = args % 36) / 6) / 5 * 255; + var b = (rem % 6) / 5 * 255; + + return [r, g, b]; +}; + +convert.rgb.hex = function (args) { + var integer = ((Math.round(args[0]) & 0xFF) << 16) + + ((Math.round(args[1]) & 0xFF) << 8) + + (Math.round(args[2]) & 0xFF); + + var string = integer.toString(16).toUpperCase(); + return '000000'.substring(string.length) + string; +}; + +convert.hex.rgb = function (args) { + var match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i); + if (!match) { + return [0, 0, 0]; + } + + var colorString = match[0]; + + if (match[0].length === 3) { + colorString = colorString.split('').map(function (char) { + return char + char; + }).join(''); + } + + var integer = parseInt(colorString, 16); + var r = (integer >> 16) & 0xFF; + var g = (integer >> 8) & 0xFF; + var b = integer & 0xFF; + + return [r, g, b]; +}; + +convert.rgb.hcg = function (rgb) { + var r = rgb[0] / 255; + var g = rgb[1] / 255; + var b = rgb[2] / 255; + var max = Math.max(Math.max(r, g), b); + var min = Math.min(Math.min(r, g), b); + var chroma = (max - min); + var grayscale; + var hue; + + if (chroma < 1) { + grayscale = min / (1 - chroma); + } else { + grayscale = 0; + } + + if (chroma <= 0) { + hue = 0; + } else + if (max === r) { + hue = ((g - b) / chroma) % 6; + } else + if (max === g) { + hue = 2 + (b - r) / chroma; + } else { + hue = 4 + (r - g) / chroma + 4; + } + + hue /= 6; + hue %= 1; + + return [hue * 360, chroma * 100, grayscale * 100]; +}; + +convert.hsl.hcg = function (hsl) { + var s = hsl[1] / 100; + var l = hsl[2] / 100; + var c = 1; + var f = 0; + + if (l < 0.5) { + c = 2.0 * s * l; + } else { + c = 2.0 * s * (1.0 - l); + } + + if (c < 1.0) { + f = (l - 0.5 * c) / (1.0 - c); + } + + return [hsl[0], c * 100, f * 100]; +}; + +convert.hsv.hcg = function (hsv) { + var s = hsv[1] / 100; + var v = hsv[2] / 100; + + var c = s * v; + var f = 0; + + if (c < 1.0) { + f = (v - c) / (1 - c); + } + + return [hsv[0], c * 100, f * 100]; +}; + +convert.hcg.rgb = function (hcg) { + var h = hcg[0] / 360; + var c = hcg[1] / 100; + var g = hcg[2] / 100; + + if (c === 0.0) { + return [g * 255, g * 255, g * 255]; + } + + var pure = [0, 0, 0]; + var hi = (h % 1) * 6; + var v = hi % 1; + var w = 1 - v; + var mg = 0; + + switch (Math.floor(hi)) { + case 0: + pure[0] = 1; pure[1] = v; pure[2] = 0; break; + case 1: + pure[0] = w; pure[1] = 1; pure[2] = 0; break; + case 2: + pure[0] = 0; pure[1] = 1; pure[2] = v; break; + case 3: + pure[0] = 0; pure[1] = w; pure[2] = 1; break; + case 4: + pure[0] = v; pure[1] = 0; pure[2] = 1; break; + default: + pure[0] = 1; pure[1] = 0; pure[2] = w; + } + + mg = (1.0 - c) * g; + + return [ + (c * pure[0] + mg) * 255, + (c * pure[1] + mg) * 255, + (c * pure[2] + mg) * 255 + ]; +}; + +convert.hcg.hsv = function (hcg) { + var c = hcg[1] / 100; + var g = hcg[2] / 100; + + var v = c + g * (1.0 - c); + var f = 0; + + if (v > 0.0) { + f = c / v; + } + + return [hcg[0], f * 100, v * 100]; +}; + +convert.hcg.hsl = function (hcg) { + var c = hcg[1] / 100; + var g = hcg[2] / 100; + + var l = g * (1.0 - c) + 0.5 * c; + var s = 0; + + if (l > 0.0 && l < 0.5) { + s = c / (2 * l); + } else + if (l >= 0.5 && l < 1.0) { + s = c / (2 * (1 - l)); + } + + return [hcg[0], s * 100, l * 100]; +}; + +convert.hcg.hwb = function (hcg) { + var c = hcg[1] / 100; + var g = hcg[2] / 100; + var v = c + g * (1.0 - c); + return [hcg[0], (v - c) * 100, (1 - v) * 100]; +}; + +convert.hwb.hcg = function (hwb) { + var w = hwb[1] / 100; + var b = hwb[2] / 100; + var v = 1 - b; + var c = v - w; + var g = 0; + + if (c < 1) { + g = (v - c) / (1 - c); + } + + return [hwb[0], c * 100, g * 100]; +}; + +convert.apple.rgb = function (apple) { + return [(apple[0] / 65535) * 255, (apple[1] / 65535) * 255, (apple[2] / 65535) * 255]; +}; + +convert.rgb.apple = function (rgb) { + return [(rgb[0] / 255) * 65535, (rgb[1] / 255) * 65535, (rgb[2] / 255) * 65535]; +}; + +convert.gray.rgb = function (args) { + return [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255]; +}; + +convert.gray.hsl = convert.gray.hsv = function (args) { + return [0, 0, args[0]]; +}; + +convert.gray.hwb = function (gray) { + return [0, 100, gray[0]]; +}; + +convert.gray.cmyk = function (gray) { + return [0, 0, 0, gray[0]]; +}; + +convert.gray.lab = function (gray) { + return [gray[0], 0, 0]; +}; + +convert.gray.hex = function (gray) { + var val = Math.round(gray[0] / 100 * 255) & 0xFF; + var integer = (val << 16) + (val << 8) + val; + + var string = integer.toString(16).toUpperCase(); + return '000000'.substring(string.length) + string; +}; + +convert.rgb.gray = function (rgb) { + var val = (rgb[0] + rgb[1] + rgb[2]) / 3; + return [val / 255 * 100]; +}; +}); +var conversions_1 = conversions.rgb; +var conversions_2 = conversions.hsl; +var conversions_3 = conversions.hsv; +var conversions_4 = conversions.hwb; +var conversions_5 = conversions.cmyk; +var conversions_6 = conversions.xyz; +var conversions_7 = conversions.lab; +var conversions_8 = conversions.lch; +var conversions_9 = conversions.hex; +var conversions_10 = conversions.keyword; +var conversions_11 = conversions.ansi16; +var conversions_12 = conversions.ansi256; +var conversions_13 = conversions.hcg; +var conversions_14 = conversions.apple; +var conversions_15 = conversions.gray; + +/* + this function routes a model to all other models. + + all functions that are routed have a property `.conversion` attached + to the returned synthetic function. This property is an array + of strings, each with the steps in between the 'from' and 'to' + color models (inclusive). + + conversions that are not possible simply are not included. +*/ + +function buildGraph() { + var graph = {}; + // https://jsperf.com/object-keys-vs-for-in-with-closure/3 + var models = Object.keys(conversions); + + for (var len = models.length, i = 0; i < len; i++) { + graph[models[i]] = { + // http://jsperf.com/1-vs-infinity + // micro-opt, but this is simple. + distance: -1, + parent: null + }; + } + + return graph; +} + +// https://en.wikipedia.org/wiki/Breadth-first_search +function deriveBFS(fromModel) { + var graph = buildGraph(); + var queue = [fromModel]; // unshift -> queue -> pop + + graph[fromModel].distance = 0; + + while (queue.length) { + var current = queue.pop(); + var adjacents = Object.keys(conversions[current]); + + for (var len = adjacents.length, i = 0; i < len; i++) { + var adjacent = adjacents[i]; + var node = graph[adjacent]; + + if (node.distance === -1) { + node.distance = graph[current].distance + 1; + node.parent = current; + queue.unshift(adjacent); + } + } + } + + return graph; +} + +function link(from, to) { + return function (args) { + return to(from(args)); + }; +} + +function wrapConversion(toModel, graph) { + var path = [graph[toModel].parent, toModel]; + var fn = conversions[graph[toModel].parent][toModel]; + + var cur = graph[toModel].parent; + while (graph[cur].parent) { + path.unshift(graph[cur].parent); + fn = link(conversions[graph[cur].parent][cur], fn); + cur = graph[cur].parent; + } + + fn.conversion = path; + return fn; +} + +var route = function (fromModel) { + var graph = deriveBFS(fromModel); + var conversion = {}; + + var models = Object.keys(graph); + for (var len = models.length, i = 0; i < len; i++) { + var toModel = models[i]; + var node = graph[toModel]; + + if (node.parent === null) { + // no possible conversion, or this node is the source model. + continue; + } + + conversion[toModel] = wrapConversion(toModel, graph); + } + + return conversion; +}; + +var convert = {}; + +var models = Object.keys(conversions); + +function wrapRaw(fn) { + var wrappedFn = function (args) { + if (args === undefined || args === null) { + return args; + } + + if (arguments.length > 1) { + args = Array.prototype.slice.call(arguments); + } + + return fn(args); + }; + + // preserve .conversion property if there is one + if ('conversion' in fn) { + wrappedFn.conversion = fn.conversion; + } + + return wrappedFn; +} + +function wrapRounded(fn) { + var wrappedFn = function (args) { + if (args === undefined || args === null) { + return args; + } + + if (arguments.length > 1) { + args = Array.prototype.slice.call(arguments); + } + + var result = fn(args); + + // we're assuming the result is an array here. + // see notice in conversions.js; don't use box types + // in conversion functions. + if (typeof result === 'object') { + for (var len = result.length, i = 0; i < len; i++) { + result[i] = Math.round(result[i]); + } + } + + return result; + }; + + // preserve .conversion property if there is one + if ('conversion' in fn) { + wrappedFn.conversion = fn.conversion; + } + + return wrappedFn; +} + +models.forEach(function (fromModel) { + convert[fromModel] = {}; + + Object.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels}); + Object.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels}); + + var routes = route(fromModel); + var routeModels = Object.keys(routes); + + routeModels.forEach(function (toModel) { + var fn = routes[toModel]; + + convert[fromModel][toModel] = wrapRounded(fn); + convert[fromModel][toModel].raw = wrapRaw(fn); + }); +}); + +var colorConvert = convert; + +var ansiStyles = createCommonjsModule(function (module) { + + +const wrapAnsi16 = (fn, offset) => function () { + const code = fn.apply(colorConvert, arguments); + return `\u001B[${code + offset}m`; +}; + +const wrapAnsi256 = (fn, offset) => function () { + const code = fn.apply(colorConvert, arguments); + return `\u001B[${38 + offset};5;${code}m`; +}; + +const wrapAnsi16m = (fn, offset) => function () { + const rgb = fn.apply(colorConvert, arguments); + return `\u001B[${38 + offset};2;${rgb[0]};${rgb[1]};${rgb[2]}m`; +}; + +function assembleStyles() { + const codes = new Map(); + const styles = { + modifier: { + reset: [0, 0], + // 21 isn't widely supported and 22 does the same thing + bold: [1, 22], + dim: [2, 22], + italic: [3, 23], + underline: [4, 24], + inverse: [7, 27], + hidden: [8, 28], + strikethrough: [9, 29] + }, + color: { + black: [30, 39], + red: [31, 39], + green: [32, 39], + yellow: [33, 39], + blue: [34, 39], + magenta: [35, 39], + cyan: [36, 39], + white: [37, 39], + gray: [90, 39], + + // Bright color + redBright: [91, 39], + greenBright: [92, 39], + yellowBright: [93, 39], + blueBright: [94, 39], + magentaBright: [95, 39], + cyanBright: [96, 39], + whiteBright: [97, 39] + }, + bgColor: { + bgBlack: [40, 49], + bgRed: [41, 49], + bgGreen: [42, 49], + bgYellow: [43, 49], + bgBlue: [44, 49], + bgMagenta: [45, 49], + bgCyan: [46, 49], + bgWhite: [47, 49], + + // Bright color + bgBlackBright: [100, 49], + bgRedBright: [101, 49], + bgGreenBright: [102, 49], + bgYellowBright: [103, 49], + bgBlueBright: [104, 49], + bgMagentaBright: [105, 49], + bgCyanBright: [106, 49], + bgWhiteBright: [107, 49] + } + }; + + // Fix humans + styles.color.grey = styles.color.gray; + + for (const groupName of Object.keys(styles)) { + const group = styles[groupName]; + + for (const styleName of Object.keys(group)) { + const style = group[styleName]; + + styles[styleName] = { + open: `\u001B[${style[0]}m`, + close: `\u001B[${style[1]}m` + }; + + group[styleName] = styles[styleName]; + + codes.set(style[0], style[1]); + } + + Object.defineProperty(styles, groupName, { + value: group, + enumerable: false + }); + + Object.defineProperty(styles, 'codes', { + value: codes, + enumerable: false + }); + } + + const ansi2ansi = n => n; + const rgb2rgb = (r, g, b) => [r, g, b]; + + styles.color.close = '\u001B[39m'; + styles.bgColor.close = '\u001B[49m'; + + styles.color.ansi = { + ansi: wrapAnsi16(ansi2ansi, 0) + }; + styles.color.ansi256 = { + ansi256: wrapAnsi256(ansi2ansi, 0) + }; + styles.color.ansi16m = { + rgb: wrapAnsi16m(rgb2rgb, 0) + }; + + styles.bgColor.ansi = { + ansi: wrapAnsi16(ansi2ansi, 10) + }; + styles.bgColor.ansi256 = { + ansi256: wrapAnsi256(ansi2ansi, 10) + }; + styles.bgColor.ansi16m = { + rgb: wrapAnsi16m(rgb2rgb, 10) + }; + + for (let key of Object.keys(colorConvert)) { + if (typeof colorConvert[key] !== 'object') { + continue; + } + + const suite = colorConvert[key]; + + if (key === 'ansi16') { + key = 'ansi'; + } + + if ('ansi16' in suite) { + styles.color.ansi[key] = wrapAnsi16(suite.ansi16, 0); + styles.bgColor.ansi[key] = wrapAnsi16(suite.ansi16, 10); + } + + if ('ansi256' in suite) { + styles.color.ansi256[key] = wrapAnsi256(suite.ansi256, 0); + styles.bgColor.ansi256[key] = wrapAnsi256(suite.ansi256, 10); + } + + if ('rgb' in suite) { + styles.color.ansi16m[key] = wrapAnsi16m(suite.rgb, 0); + styles.bgColor.ansi16m[key] = wrapAnsi16m(suite.rgb, 10); + } + } + + return styles; +} + +// Make the export immutable +Object.defineProperty(module, 'exports', { + enumerable: true, + get: assembleStyles +}); +}); + +const TEMPLATE_REGEX = /(?:\\(u[a-f\d]{4}|x[a-f\d]{2}|.))|(?:\{(~)?(\w+(?:\([^)]*\))?(?:\.\w+(?:\([^)]*\))?)*)(?:[ \t]|(?=\r?\n)))|(\})|((?:.|[\r\n\f])+?)/gi; +const STYLE_REGEX = /(?:^|\.)(\w+)(?:\(([^)]*)\))?/g; +const STRING_REGEX = /^(['"])((?:\\.|(?!\1)[^\\])*)\1$/; +const ESCAPE_REGEX = /\\(u[a-f\d]{4}|x[a-f\d]{2}|.)|([^\\])/gi; + +const ESCAPES = new Map([ + ['n', '\n'], + ['r', '\r'], + ['t', '\t'], + ['b', '\b'], + ['f', '\f'], + ['v', '\v'], + ['0', '\0'], + ['\\', '\\'], + ['e', '\u001B'], + ['a', '\u0007'] +]); + +function unescape(c) { + if ((c[0] === 'u' && c.length === 5) || (c[0] === 'x' && c.length === 3)) { + return String.fromCharCode(parseInt(c.slice(1), 16)); + } + + return ESCAPES.get(c) || c; +} + +function parseArguments(name, args) { + const results = []; + const chunks = args.trim().split(/\s*,\s*/g); + let matches; + + for (const chunk of chunks) { + if (!isNaN(chunk)) { + results.push(Number(chunk)); + } else if ((matches = chunk.match(STRING_REGEX))) { + results.push(matches[2].replace(ESCAPE_REGEX, (m, escape, chr) => escape ? unescape(escape) : chr)); + } else { + throw new Error(`Invalid Chalk template style argument: ${chunk} (in style '${name}')`); + } + } + + return results; +} + +function parseStyle(style) { + STYLE_REGEX.lastIndex = 0; + + const results = []; + let matches; + + while ((matches = STYLE_REGEX.exec(style)) !== null) { + const name = matches[1]; + + if (matches[2]) { + const args = parseArguments(name, matches[2]); + results.push([name].concat(args)); + } else { + results.push([name]); + } + } + + return results; +} + +function buildStyle(chalk, styles) { + const enabled = {}; + + for (const layer of styles) { + for (const style of layer.styles) { + enabled[style[0]] = layer.inverse ? null : style.slice(1); + } + } + + let current = chalk; + for (const styleName of Object.keys(enabled)) { + if (Array.isArray(enabled[styleName])) { + if (!(styleName in current)) { + throw new Error(`Unknown Chalk style: ${styleName}`); + } + + if (enabled[styleName].length > 0) { + current = current[styleName].apply(current, enabled[styleName]); + } else { + current = current[styleName]; + } + } + } + + return current; +} + +var templates = (chalk, tmp) => { + const styles = []; + const chunks = []; + let chunk = []; + + // eslint-disable-next-line max-params + tmp.replace(TEMPLATE_REGEX, (m, escapeChar, inverse, style, close, chr) => { + if (escapeChar) { + chunk.push(unescape(escapeChar)); + } else if (style) { + const str = chunk.join(''); + chunk = []; + chunks.push(styles.length === 0 ? str : buildStyle(chalk, styles)(str)); + styles.push({inverse, styles: parseStyle(style)}); + } else if (close) { + if (styles.length === 0) { + throw new Error('Found extraneous } in Chalk template literal'); + } + + chunks.push(buildStyle(chalk, styles)(chunk.join(''))); + chunk = []; + styles.pop(); + } else { + chunk.push(chr); + } + }); + + chunks.push(chunk.join('')); + + if (styles.length > 0) { + const errMsg = `Chalk template literal is missing ${styles.length} closing bracket${styles.length === 1 ? '' : 's'} (\`}\`)`; + throw new Error(errMsg); + } + + return chunks.join(''); +}; + +var chalk = createCommonjsModule(function (module) { + + +const stdoutColor = supportsColor_1.stdout; + + + +const isSimpleWindowsTerm = process.platform === 'win32' && !(process.env.TERM || '').toLowerCase().startsWith('xterm'); + +// `supportsColor.level` → `ansiStyles.color[name]` mapping +const levelMapping = ['ansi', 'ansi', 'ansi256', 'ansi16m']; + +// `color-convert` models to exclude from the Chalk API due to conflicts and such +const skipModels = new Set(['gray']); + +const styles = Object.create(null); + +function applyOptions(obj, options) { + options = options || {}; + + // Detect level if not set manually + const scLevel = stdoutColor ? stdoutColor.level : 0; + obj.level = options.level === undefined ? scLevel : options.level; + obj.enabled = 'enabled' in options ? options.enabled : obj.level > 0; +} + +function Chalk(options) { + // We check for this.template here since calling `chalk.constructor()` + // by itself will have a `this` of a previously constructed chalk object + if (!this || !(this instanceof Chalk) || this.template) { + const chalk = {}; + applyOptions(chalk, options); + + chalk.template = function () { + const args = [].slice.call(arguments); + return chalkTag.apply(null, [chalk.template].concat(args)); + }; + + Object.setPrototypeOf(chalk, Chalk.prototype); + Object.setPrototypeOf(chalk.template, chalk); + + chalk.template.constructor = Chalk; + + return chalk.template; + } + + applyOptions(this, options); +} + +// Use bright blue on Windows as the normal blue color is illegible +if (isSimpleWindowsTerm) { + ansiStyles.blue.open = '\u001B[94m'; +} + +for (const key of Object.keys(ansiStyles)) { + ansiStyles[key].closeRe = new RegExp(escapeStringRegexp(ansiStyles[key].close), 'g'); + + styles[key] = { + get() { + const codes = ansiStyles[key]; + return build.call(this, this._styles ? this._styles.concat(codes) : [codes], this._empty, key); + } + }; +} + +styles.visible = { + get() { + return build.call(this, this._styles || [], true, 'visible'); + } +}; + +ansiStyles.color.closeRe = new RegExp(escapeStringRegexp(ansiStyles.color.close), 'g'); +for (const model of Object.keys(ansiStyles.color.ansi)) { + if (skipModels.has(model)) { + continue; + } + + styles[model] = { + get() { + const level = this.level; + return function () { + const open = ansiStyles.color[levelMapping[level]][model].apply(null, arguments); + const codes = { + open, + close: ansiStyles.color.close, + closeRe: ansiStyles.color.closeRe + }; + return build.call(this, this._styles ? this._styles.concat(codes) : [codes], this._empty, model); + }; + } + }; +} + +ansiStyles.bgColor.closeRe = new RegExp(escapeStringRegexp(ansiStyles.bgColor.close), 'g'); +for (const model of Object.keys(ansiStyles.bgColor.ansi)) { + if (skipModels.has(model)) { + continue; + } + + const bgModel = 'bg' + model[0].toUpperCase() + model.slice(1); + styles[bgModel] = { + get() { + const level = this.level; + return function () { + const open = ansiStyles.bgColor[levelMapping[level]][model].apply(null, arguments); + const codes = { + open, + close: ansiStyles.bgColor.close, + closeRe: ansiStyles.bgColor.closeRe + }; + return build.call(this, this._styles ? this._styles.concat(codes) : [codes], this._empty, model); + }; + } + }; +} + +const proto = Object.defineProperties(() => {}, styles); + +function build(_styles, _empty, key) { + const builder = function () { + return applyStyle.apply(builder, arguments); + }; + + builder._styles = _styles; + builder._empty = _empty; + + const self = this; + + Object.defineProperty(builder, 'level', { + enumerable: true, + get() { + return self.level; + }, + set(level) { + self.level = level; + } + }); + + Object.defineProperty(builder, 'enabled', { + enumerable: true, + get() { + return self.enabled; + }, + set(enabled) { + self.enabled = enabled; + } + }); + + // See below for fix regarding invisible grey/dim combination on Windows + builder.hasGrey = this.hasGrey || key === 'gray' || key === 'grey'; + + // `__proto__` is used because we must return a function, but there is + // no way to create a function with a different prototype + builder.__proto__ = proto; // eslint-disable-line no-proto + + return builder; +} + +function applyStyle() { + // Support varags, but simply cast to string in case there's only one arg + const args = arguments; + const argsLen = args.length; + let str = String(arguments[0]); + + if (argsLen === 0) { + return ''; + } + + if (argsLen > 1) { + // Don't slice `arguments`, it prevents V8 optimizations + for (let a = 1; a < argsLen; a++) { + str += ' ' + args[a]; + } + } + + if (!this.enabled || this.level <= 0 || !str) { + return this._empty ? '' : str; + } + + // Turns out that on Windows dimmed gray text becomes invisible in cmd.exe, + // see https://github.com/chalk/chalk/issues/58 + // If we're on Windows and we're dealing with a gray color, temporarily make 'dim' a noop. + const originalDim = ansiStyles.dim.open; + if (isSimpleWindowsTerm && this.hasGrey) { + ansiStyles.dim.open = ''; + } + + for (const code of this._styles.slice().reverse()) { + // Replace any instances already present with a re-opening code + // otherwise only the part of the string until said closing code + // will be colored, and the rest will simply be 'plain'. + str = code.open + str.replace(code.closeRe, code.open) + code.close; + + // Close the styling before a linebreak and reopen + // after next line to fix a bleed issue on macOS + // https://github.com/chalk/chalk/pull/92 + str = str.replace(/\r?\n/g, `${code.close}$&${code.open}`); + } + + // Reset the original `dim` if we changed it to work around the Windows dimmed gray issue + ansiStyles.dim.open = originalDim; + + return str; +} + +function chalkTag(chalk, strings) { + if (!Array.isArray(strings)) { + // If chalk() was called by itself or with a string, + // return the string itself as a string. + return [].slice.call(arguments, 1).join(' '); + } + + const args = [].slice.call(arguments, 2); + const parts = [strings.raw[0]]; + + for (let i = 1; i < strings.length; i++) { + parts.push(String(args[i - 1]).replace(/[{}\\]/g, '\\$&')); + parts.push(String(strings.raw[i])); + } + + return templates(chalk, parts.join('')); +} + +Object.defineProperties(Chalk.prototype, styles); + +module.exports = Chalk(); // eslint-disable-line new-cap +module.exports.supportsColor = stdoutColor; +module.exports.default = module.exports; // For TypeScript +}); +var chalk_1 = chalk.supportsColor; + +const WIN_SLASH = '\\\\/'; +const WIN_NO_SLASH = `[^${WIN_SLASH}]`; + +/** + * Posix glob regex + */ + +const DOT_LITERAL = '\\.'; +const PLUS_LITERAL = '\\+'; +const QMARK_LITERAL = '\\?'; +const SLASH_LITERAL = '\\/'; +const ONE_CHAR = '(?=.)'; +const QMARK = '[^/]'; +const END_ANCHOR = `(?:${SLASH_LITERAL}|$)`; +const START_ANCHOR = `(?:^|${SLASH_LITERAL})`; +const DOTS_SLASH = `${DOT_LITERAL}{1,2}${END_ANCHOR}`; +const NO_DOT = `(?!${DOT_LITERAL})`; +const NO_DOTS = `(?!${START_ANCHOR}${DOTS_SLASH})`; +const NO_DOT_SLASH = `(?!${DOT_LITERAL}{0,1}${END_ANCHOR})`; +const NO_DOTS_SLASH = `(?!${DOTS_SLASH})`; +const QMARK_NO_DOT = `[^.${SLASH_LITERAL}]`; +const STAR = `${QMARK}*?`; + +const POSIX_CHARS = { + DOT_LITERAL, + PLUS_LITERAL, + QMARK_LITERAL, + SLASH_LITERAL, + ONE_CHAR, + QMARK, + END_ANCHOR, + DOTS_SLASH, + NO_DOT, + NO_DOTS, + NO_DOT_SLASH, + NO_DOTS_SLASH, + QMARK_NO_DOT, + STAR, + START_ANCHOR +}; + +/** + * Windows glob regex + */ + +const WINDOWS_CHARS = { + ...POSIX_CHARS, + + SLASH_LITERAL: `[${WIN_SLASH}]`, + QMARK: WIN_NO_SLASH, + STAR: `${WIN_NO_SLASH}*?`, + DOTS_SLASH: `${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$)`, + NO_DOT: `(?!${DOT_LITERAL})`, + NO_DOTS: `(?!(?:^|[${WIN_SLASH}])${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`, + NO_DOT_SLASH: `(?!${DOT_LITERAL}{0,1}(?:[${WIN_SLASH}]|$))`, + NO_DOTS_SLASH: `(?!${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`, + QMARK_NO_DOT: `[^.${WIN_SLASH}]`, + START_ANCHOR: `(?:^|[${WIN_SLASH}])`, + END_ANCHOR: `(?:[${WIN_SLASH}]|$)` +}; + +/** + * POSIX Bracket Regex + */ + +const POSIX_REGEX_SOURCE = { + alnum: 'a-zA-Z0-9', + alpha: 'a-zA-Z', + ascii: '\\x00-\\x7F', + blank: ' \\t', + cntrl: '\\x00-\\x1F\\x7F', + digit: '0-9', + graph: '\\x21-\\x7E', + lower: 'a-z', + print: '\\x20-\\x7E ', + punct: '\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~', + space: ' \\t\\r\\n\\v\\f', + upper: 'A-Z', + word: 'A-Za-z0-9_', + xdigit: 'A-Fa-f0-9' +}; + +var constants = { + MAX_LENGTH: 1024 * 64, + POSIX_REGEX_SOURCE, + + // regular expressions + REGEX_BACKSLASH: /\\(?![*+?^${}(|)[\]])/g, + REGEX_NON_SPECIAL_CHARS: /^[^@![\].,$*+?^{}()|\\/]+/, + REGEX_SPECIAL_CHARS: /[-*+?.^${}(|)[\]]/, + REGEX_SPECIAL_CHARS_BACKREF: /(\\?)((\W)(\3*))/g, + REGEX_SPECIAL_CHARS_GLOBAL: /([-*+?.^${}(|)[\]])/g, + REGEX_REMOVE_BACKSLASH: /(?:\[.*?[^\\]\]|\\(?=.))/g, + + // Replace globs with equivalent patterns to reduce parsing time. + REPLACEMENTS: { + '***': '*', + '**/**': '**', + '**/**/**': '**' + }, + + // Digits + CHAR_0: 48, /* 0 */ + CHAR_9: 57, /* 9 */ + + // Alphabet chars. + CHAR_UPPERCASE_A: 65, /* A */ + CHAR_LOWERCASE_A: 97, /* a */ + CHAR_UPPERCASE_Z: 90, /* Z */ + CHAR_LOWERCASE_Z: 122, /* z */ + + CHAR_LEFT_PARENTHESES: 40, /* ( */ + CHAR_RIGHT_PARENTHESES: 41, /* ) */ + + CHAR_ASTERISK: 42, /* * */ + + // Non-alphabetic chars. + CHAR_AMPERSAND: 38, /* & */ + CHAR_AT: 64, /* @ */ + CHAR_BACKWARD_SLASH: 92, /* \ */ + CHAR_CARRIAGE_RETURN: 13, /* \r */ + CHAR_CIRCUMFLEX_ACCENT: 94, /* ^ */ + CHAR_COLON: 58, /* : */ + CHAR_COMMA: 44, /* , */ + CHAR_DOT: 46, /* . */ + CHAR_DOUBLE_QUOTE: 34, /* " */ + CHAR_EQUAL: 61, /* = */ + CHAR_EXCLAMATION_MARK: 33, /* ! */ + CHAR_FORM_FEED: 12, /* \f */ + CHAR_FORWARD_SLASH: 47, /* / */ + CHAR_GRAVE_ACCENT: 96, /* ` */ + CHAR_HASH: 35, /* # */ + CHAR_HYPHEN_MINUS: 45, /* - */ + CHAR_LEFT_ANGLE_BRACKET: 60, /* < */ + CHAR_LEFT_CURLY_BRACE: 123, /* { */ + CHAR_LEFT_SQUARE_BRACKET: 91, /* [ */ + CHAR_LINE_FEED: 10, /* \n */ + CHAR_NO_BREAK_SPACE: 160, /* \u00A0 */ + CHAR_PERCENT: 37, /* % */ + CHAR_PLUS: 43, /* + */ + CHAR_QUESTION_MARK: 63, /* ? */ + CHAR_RIGHT_ANGLE_BRACKET: 62, /* > */ + CHAR_RIGHT_CURLY_BRACE: 125, /* } */ + CHAR_RIGHT_SQUARE_BRACKET: 93, /* ] */ + CHAR_SEMICOLON: 59, /* ; */ + CHAR_SINGLE_QUOTE: 39, /* ' */ + CHAR_SPACE: 32, /* */ + CHAR_TAB: 9, /* \t */ + CHAR_UNDERSCORE: 95, /* _ */ + CHAR_VERTICAL_LINE: 124, /* | */ + CHAR_ZERO_WIDTH_NOBREAK_SPACE: 65279, /* \uFEFF */ + + SEP: path$1.sep, + + /** + * Create EXTGLOB_CHARS + */ + + extglobChars(chars) { + return { + '!': { type: 'negate', open: '(?:(?!(?:', close: `))${chars.STAR})` }, + '?': { type: 'qmark', open: '(?:', close: ')?' }, + '+': { type: 'plus', open: '(?:', close: ')+' }, + '*': { type: 'star', open: '(?:', close: ')*' }, + '@': { type: 'at', open: '(?:', close: ')' } + }; + }, + + /** + * Create GLOB_CHARS + */ + + globChars(win32) { + return win32 === true ? WINDOWS_CHARS : POSIX_CHARS; + } +}; + +var utils$1 = createCommonjsModule(function (module, exports) { + + +const win32 = process.platform === 'win32'; +const { + REGEX_BACKSLASH, + REGEX_REMOVE_BACKSLASH, + REGEX_SPECIAL_CHARS, + REGEX_SPECIAL_CHARS_GLOBAL +} = constants; + +exports.isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val); +exports.hasRegexChars = str => REGEX_SPECIAL_CHARS.test(str); +exports.isRegexChar = str => str.length === 1 && exports.hasRegexChars(str); +exports.escapeRegex = str => str.replace(REGEX_SPECIAL_CHARS_GLOBAL, '\\$1'); +exports.toPosixSlashes = str => str.replace(REGEX_BACKSLASH, '/'); + +exports.removeBackslashes = str => { + return str.replace(REGEX_REMOVE_BACKSLASH, match => { + return match === '\\' ? '' : match; + }); +}; + +exports.supportsLookbehinds = () => { + const segs = process.version.slice(1).split('.').map(Number); + if (segs.length === 3 && segs[0] >= 9 || (segs[0] === 8 && segs[1] >= 10)) { + return true; + } + return false; +}; + +exports.isWindows = options => { + if (options && typeof options.windows === 'boolean') { + return options.windows; + } + return win32 === true || path$1.sep === '\\'; +}; + +exports.escapeLast = (input, char, lastIdx) => { + const idx = input.lastIndexOf(char, lastIdx); + if (idx === -1) return input; + if (input[idx - 1] === '\\') return exports.escapeLast(input, char, idx - 1); + return `${input.slice(0, idx)}\\${input.slice(idx)}`; +}; + +exports.removePrefix = (input, state = {}) => { + let output = input; + if (output.startsWith('./')) { + output = output.slice(2); + state.prefix = './'; + } + return output; +}; + +exports.wrapOutput = (input, state = {}, options = {}) => { + const prepend = options.contains ? '' : '^'; + const append = options.contains ? '' : '$'; + + let output = `${prepend}(?:${input})${append}`; + if (state.negated === true) { + output = `(?:^(?!${output}).*$)`; + } + return output; +}; +}); +var utils_1$1 = utils$1.isObject; +var utils_2$1 = utils$1.hasRegexChars; +var utils_3$1 = utils$1.isRegexChar; +var utils_4$1 = utils$1.escapeRegex; +var utils_5$1 = utils$1.toPosixSlashes; +var utils_6 = utils$1.removeBackslashes; +var utils_7 = utils$1.supportsLookbehinds; +var utils_8 = utils$1.isWindows; +var utils_9 = utils$1.escapeLast; +var utils_10 = utils$1.removePrefix; +var utils_11 = utils$1.wrapOutput; + +const { + CHAR_ASTERISK: CHAR_ASTERISK$1, /* * */ + CHAR_AT, /* @ */ + CHAR_BACKWARD_SLASH, /* \ */ + CHAR_COMMA: CHAR_COMMA$1, /* , */ + CHAR_DOT, /* . */ + CHAR_EXCLAMATION_MARK, /* ! */ + CHAR_FORWARD_SLASH, /* / */ + CHAR_LEFT_CURLY_BRACE, /* { */ + CHAR_LEFT_PARENTHESES, /* ( */ + CHAR_LEFT_SQUARE_BRACKET: CHAR_LEFT_SQUARE_BRACKET$1, /* [ */ + CHAR_PLUS, /* + */ + CHAR_QUESTION_MARK, /* ? */ + CHAR_RIGHT_CURLY_BRACE, /* } */ + CHAR_RIGHT_PARENTHESES, /* ) */ + CHAR_RIGHT_SQUARE_BRACKET: CHAR_RIGHT_SQUARE_BRACKET$1 /* ] */ +} = constants; + +const isPathSeparator = code => { + return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH; +}; + +const depth = token => { + if (token.isPrefix !== true) { + token.depth = token.isGlobstar ? Infinity : 1; + } +}; + +/** + * Quickly scans a glob pattern and returns an object with a handful of + * useful properties, like `isGlob`, `path` (the leading non-glob, if it exists), + * `glob` (the actual pattern), and `negated` (true if the path starts with `!`). + * + * ```js + * const pm = require('picomatch'); + * console.log(pm.scan('foo/bar/*.js')); + * { isGlob: true, input: 'foo/bar/*.js', base: 'foo/bar', glob: '*.js' } + * ``` + * @param {String} `str` + * @param {Object} `options` + * @return {Object} Returns an object with tokens and regex source string. + * @api public + */ + +const scan$1 = (input, options) => { + const opts = options || {}; + + const length = input.length - 1; + const scanToEnd = opts.parts === true || opts.scanToEnd === true; + const slashes = []; + const tokens = []; + const parts = []; + + let str = input; + let index = -1; + let start = 0; + let lastIndex = 0; + let isBrace = false; + let isBracket = false; + let isGlob = false; + let isExtglob = false; + let isGlobstar = false; + let braceEscaped = false; + let backslashes = false; + let negated = false; + let finished = false; + let braces = 0; + let prev; + let code; + let token = { value: '', depth: 0, isGlob: false }; + + const eos = () => index >= length; + const peek = () => str.charCodeAt(index + 1); + const advance = () => { + prev = code; + return str.charCodeAt(++index); + }; + + while (index < length) { + code = advance(); + let next; + + if (code === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + code = advance(); + + if (code === CHAR_LEFT_CURLY_BRACE) { + braceEscaped = true; + } + continue; + } + + if (braceEscaped === true || code === CHAR_LEFT_CURLY_BRACE) { + braces++; + + while (eos() !== true && (code = advance())) { + if (code === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + advance(); + continue; + } + + if (code === CHAR_LEFT_CURLY_BRACE) { + braces++; + continue; + } + + if (braceEscaped !== true && code === CHAR_DOT && (code = advance()) === CHAR_DOT) { + isBrace = token.isBrace = true; + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (braceEscaped !== true && code === CHAR_COMMA$1) { + isBrace = token.isBrace = true; + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (code === CHAR_RIGHT_CURLY_BRACE) { + braces--; + + if (braces === 0) { + braceEscaped = false; + isBrace = token.isBrace = true; + finished = true; + break; + } + } + } + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (code === CHAR_FORWARD_SLASH) { + slashes.push(index); + tokens.push(token); + token = { value: '', depth: 0, isGlob: false }; + + if (finished === true) continue; + if (prev === CHAR_DOT && index === (start + 1)) { + start += 2; + continue; + } + + lastIndex = index + 1; + continue; + } + + if (opts.noext !== true) { + const isExtglobChar = code === CHAR_PLUS + || code === CHAR_AT + || code === CHAR_ASTERISK$1 + || code === CHAR_QUESTION_MARK + || code === CHAR_EXCLAMATION_MARK; + + if (isExtglobChar === true && peek() === CHAR_LEFT_PARENTHESES) { + isGlob = token.isGlob = true; + isExtglob = token.isExtglob = true; + finished = true; + + if (scanToEnd === true) { + while (eos() !== true && (code = advance())) { + if (code === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + code = advance(); + continue; + } + + if (code === CHAR_RIGHT_PARENTHESES) { + isGlob = token.isGlob = true; + finished = true; + break; + } + } + continue; + } + break; + } + } + + if (code === CHAR_ASTERISK$1) { + if (prev === CHAR_ASTERISK$1) isGlobstar = token.isGlobstar = true; + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + break; + } + + if (code === CHAR_QUESTION_MARK) { + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + break; + } + + if (code === CHAR_LEFT_SQUARE_BRACKET$1) { + while (eos() !== true && (next = advance())) { + if (next === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + advance(); + continue; + } + + if (next === CHAR_RIGHT_SQUARE_BRACKET$1) { + isBracket = token.isBracket = true; + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + break; + } + } + } + + if (opts.nonegate !== true && code === CHAR_EXCLAMATION_MARK && index === start) { + negated = token.negated = true; + start++; + continue; + } + + if (opts.noparen !== true && code === CHAR_LEFT_PARENTHESES) { + while (eos() !== true && (code = advance())) { + if (code === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + code = advance(); + continue; + } + + if (code === CHAR_RIGHT_PARENTHESES) { + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + break; + } + } + } + + if (isGlob === true) { + finished = true; + + if (scanToEnd === true) { + continue; + } + + break; + } + } + + if (opts.noext === true) { + isExtglob = false; + isGlob = false; + } + + let base = str; + let prefix = ''; + let glob = ''; + + if (start > 0) { + prefix = str.slice(0, start); + str = str.slice(start); + lastIndex -= start; + } + + if (base && isGlob === true && lastIndex > 0) { + base = str.slice(0, lastIndex); + glob = str.slice(lastIndex); + } else if (isGlob === true) { + base = ''; + glob = str; + } else { + base = str; + } + + if (base && base !== '' && base !== '/' && base !== str) { + if (isPathSeparator(base.charCodeAt(base.length - 1))) { + base = base.slice(0, -1); + } + } + + if (opts.unescape === true) { + if (glob) glob = utils$1.removeBackslashes(glob); + + if (base && backslashes === true) { + base = utils$1.removeBackslashes(base); + } + } + + const state = { + prefix, + input, + start, + base, + glob, + isBrace, + isBracket, + isGlob, + isExtglob, + isGlobstar, + negated + }; + + if (opts.tokens === true) { + state.maxDepth = 0; + if (!isPathSeparator(code)) { + tokens.push(token); + } + state.tokens = tokens; + } + + if (opts.parts === true || opts.tokens === true) { + let prevIndex; + + for (let idx = 0; idx < slashes.length; idx++) { + const n = prevIndex ? prevIndex + 1 : start; + const i = slashes[idx]; + const value = input.slice(n, i); + if (opts.tokens) { + if (idx === 0 && start !== 0) { + tokens[idx].isPrefix = true; + tokens[idx].value = prefix; + } else { + tokens[idx].value = value; + } + depth(tokens[idx]); + state.maxDepth += tokens[idx].depth; + } + if (idx !== 0 || value !== '') { + parts.push(value); + } + prevIndex = i; + } + + if (prevIndex && prevIndex + 1 < input.length) { + const value = input.slice(prevIndex + 1); + parts.push(value); + + if (opts.tokens) { + tokens[tokens.length - 1].value = value; + depth(tokens[tokens.length - 1]); + state.maxDepth += tokens[tokens.length - 1].depth; + } + } + + state.slashes = slashes; + state.parts = parts; + } + + return state; +}; + +var scan_1 = scan$1; + +/** + * Constants + */ + +const { + MAX_LENGTH, + POSIX_REGEX_SOURCE: POSIX_REGEX_SOURCE$1, + REGEX_NON_SPECIAL_CHARS, + REGEX_SPECIAL_CHARS_BACKREF, + REPLACEMENTS +} = constants; + +/** + * Helpers + */ + +const expandRange = (args, options) => { + if (typeof options.expandRange === 'function') { + return options.expandRange(...args, options); + } + + args.sort(); + const value = `[${args.join('-')}]`; + + try { + /* eslint-disable-next-line no-new */ + new RegExp(value); + } catch (ex) { + return args.map(v => utils$1.escapeRegex(v)).join('..'); + } + + return value; +}; + +/** + * Create the message for a syntax error + */ + +const syntaxError = (type, char) => { + return `Missing ${type}: "${char}" - use "\\\\${char}" to match literal characters`; +}; + +/** + * Parse the given input string. + * @param {String} input + * @param {Object} options + * @return {Object} + */ + +const parse$5 = (input, options) => { + if (typeof input !== 'string') { + throw new TypeError('Expected a string'); + } + + input = REPLACEMENTS[input] || input; + + const opts = { ...options }; + const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH; + + let len = input.length; + if (len > max) { + throw new SyntaxError(`Input length: ${len}, exceeds maximum allowed length: ${max}`); + } + + const bos = { type: 'bos', value: '', output: opts.prepend || '' }; + const tokens = [bos]; + + const capture = opts.capture ? '' : '?:'; + const win32 = utils$1.isWindows(options); + + // create constants based on platform, for windows or posix + const PLATFORM_CHARS = constants.globChars(win32); + const EXTGLOB_CHARS = constants.extglobChars(PLATFORM_CHARS); + + const { + DOT_LITERAL, + PLUS_LITERAL, + SLASH_LITERAL, + ONE_CHAR, + DOTS_SLASH, + NO_DOT, + NO_DOT_SLASH, + NO_DOTS_SLASH, + QMARK, + QMARK_NO_DOT, + STAR, + START_ANCHOR + } = PLATFORM_CHARS; + + const globstar = (opts) => { + return `(${capture}(?:(?!${START_ANCHOR}${opts.dot ? DOTS_SLASH : DOT_LITERAL}).)*?)`; + }; + + const nodot = opts.dot ? '' : NO_DOT; + const qmarkNoDot = opts.dot ? QMARK : QMARK_NO_DOT; + let star = opts.bash === true ? globstar(opts) : STAR; + + if (opts.capture) { + star = `(${star})`; + } + + // minimatch options support + if (typeof opts.noext === 'boolean') { + opts.noextglob = opts.noext; + } + + const state = { + input, + index: -1, + start: 0, + dot: opts.dot === true, + consumed: '', + output: '', + prefix: '', + backtrack: false, + negated: false, + brackets: 0, + braces: 0, + parens: 0, + quotes: 0, + globstar: false, + tokens + }; + + input = utils$1.removePrefix(input, state); + len = input.length; + + const extglobs = []; + const braces = []; + const stack = []; + let prev = bos; + let value; + + /** + * Tokenizing helpers + */ + + const eos = () => state.index === len - 1; + const peek = state.peek = (n = 1) => input[state.index + n]; + const advance = state.advance = () => input[++state.index]; + const remaining = () => input.slice(state.index + 1); + const consume = (value = '', num = 0) => { + state.consumed += value; + state.index += num; + }; + const append = token => { + state.output += token.output != null ? token.output : token.value; + consume(token.value); + }; + + const negate = () => { + let count = 1; + + while (peek() === '!' && (peek(2) !== '(' || peek(3) === '?')) { + advance(); + state.start++; + count++; + } + + if (count % 2 === 0) { + return false; + } + + state.negated = true; + state.start++; + return true; + }; + + const increment = type => { + state[type]++; + stack.push(type); + }; + + const decrement = type => { + state[type]--; + stack.pop(); + }; + + /** + * Push tokens onto the tokens array. This helper speeds up + * tokenizing by 1) helping us avoid backtracking as much as possible, + * and 2) helping us avoid creating extra tokens when consecutive + * characters are plain text. This improves performance and simplifies + * lookbehinds. + */ + + const push = tok => { + if (prev.type === 'globstar') { + const isBrace = state.braces > 0 && (tok.type === 'comma' || tok.type === 'brace'); + const isExtglob = tok.extglob === true || (extglobs.length && (tok.type === 'pipe' || tok.type === 'paren')); + + if (tok.type !== 'slash' && tok.type !== 'paren' && !isBrace && !isExtglob) { + state.output = state.output.slice(0, -prev.output.length); + prev.type = 'star'; + prev.value = '*'; + prev.output = star; + state.output += prev.output; + } + } + + if (extglobs.length && tok.type !== 'paren' && !EXTGLOB_CHARS[tok.value]) { + extglobs[extglobs.length - 1].inner += tok.value; + } + + if (tok.value || tok.output) append(tok); + if (prev && prev.type === 'text' && tok.type === 'text') { + prev.value += tok.value; + prev.output = (prev.output || '') + tok.value; + return; + } + + tok.prev = prev; + tokens.push(tok); + prev = tok; + }; + + const extglobOpen = (type, value) => { + const token = { ...EXTGLOB_CHARS[value], conditions: 1, inner: '' }; + + token.prev = prev; + token.parens = state.parens; + token.output = state.output; + const output = (opts.capture ? '(' : '') + token.open; + + increment('parens'); + + + push({ type, value, output: state.output ? '' : ONE_CHAR }); + push({ type: 'paren', extglob: true, value: advance(), output }); + extglobs.push(token); + }; + + const extglobClose = token => { + let output = token.close + (opts.capture ? ')' : ''); + + if (token.type === 'negate') { + let extglobStar = star; + + if (token.inner && token.inner.length > 1 && token.inner.includes('/')) { + extglobStar = globstar(opts); + } + + if (extglobStar !== star || eos() || /^\)+$/.test(remaining())) { + output = token.close = `)$))${extglobStar}`; + } + + if (token.prev.type === 'bos' && eos()) { + state.negatedExtglob = true; + } + } + + push({ type: 'paren', extglob: true, value, output }); + decrement('parens'); + }; + + /** + * Fast paths + */ + + if (opts.fastpaths !== false && !/(^[*!]|[/()[\]{}"])/.test(input)) { + let backslashes = false; + + let output = input.replace(REGEX_SPECIAL_CHARS_BACKREF, (m, esc, chars, first, rest, index) => { + if (first === '\\') { + backslashes = true; + return m; + } + + if (first === '?') { + if (esc) { + return esc + first + (rest ? QMARK.repeat(rest.length) : ''); + } + if (index === 0) { + return qmarkNoDot + (rest ? QMARK.repeat(rest.length) : ''); + } + return QMARK.repeat(chars.length); + } + + if (first === '.') { + return DOT_LITERAL.repeat(chars.length); + } + + if (first === '*') { + if (esc) { + return esc + first + (rest ? star : ''); + } + return star; + } + return esc ? m : `\\${m}`; + }); + + if (backslashes === true) { + if (opts.unescape === true) { + output = output.replace(/\\/g, ''); + } else { + output = output.replace(/\\+/g, m => { + return m.length % 2 === 0 ? '\\\\' : (m ? '\\' : ''); + }); + } + } + + if (output === input && opts.contains === true) { + state.output = input; + return state; + } + + state.output = utils$1.wrapOutput(output, state, options); + return state; + } + + /** + * Tokenize input until we reach end-of-string + */ + + while (!eos()) { + value = advance(); + + if (value === '\u0000') { + continue; + } + + /** + * Escaped characters + */ + + if (value === '\\') { + const next = peek(); + + if (next === '/' && opts.bash !== true) { + continue; + } + + if (next === '.' || next === ';') { + continue; + } + + if (!next) { + value += '\\'; + push({ type: 'text', value }); + continue; + } + + // collapse slashes to reduce potential for exploits + const match = /^\\+/.exec(remaining()); + let slashes = 0; + + if (match && match[0].length > 2) { + slashes = match[0].length; + state.index += slashes; + if (slashes % 2 !== 0) { + value += '\\'; + } + } + + if (opts.unescape === true) { + value = advance() || ''; + } else { + value += advance() || ''; + } + + if (state.brackets === 0) { + push({ type: 'text', value }); + continue; + } + } + + /** + * If we're inside a regex character class, continue + * until we reach the closing bracket. + */ + + if (state.brackets > 0 && (value !== ']' || prev.value === '[' || prev.value === '[^')) { + if (opts.posix !== false && value === ':') { + const inner = prev.value.slice(1); + if (inner.includes('[')) { + prev.posix = true; + + if (inner.includes(':')) { + const idx = prev.value.lastIndexOf('['); + const pre = prev.value.slice(0, idx); + const rest = prev.value.slice(idx + 2); + const posix = POSIX_REGEX_SOURCE$1[rest]; + if (posix) { + prev.value = pre + posix; + state.backtrack = true; + advance(); + + if (!bos.output && tokens.indexOf(prev) === 1) { + bos.output = ONE_CHAR; + } + continue; + } + } + } + } + + if ((value === '[' && peek() !== ':') || (value === '-' && peek() === ']')) { + value = `\\${value}`; + } + + if (value === ']' && (prev.value === '[' || prev.value === '[^')) { + value = `\\${value}`; + } + + if (opts.posix === true && value === '!' && prev.value === '[') { + value = '^'; + } + + prev.value += value; + append({ value }); + continue; + } + + /** + * If we're inside a quoted string, continue + * until we reach the closing double quote. + */ + + if (state.quotes === 1 && value !== '"') { + value = utils$1.escapeRegex(value); + prev.value += value; + append({ value }); + continue; + } + + /** + * Double quotes + */ + + if (value === '"') { + state.quotes = state.quotes === 1 ? 0 : 1; + if (opts.keepQuotes === true) { + push({ type: 'text', value }); + } + continue; + } + + /** + * Parentheses + */ + + if (value === '(') { + increment('parens'); + push({ type: 'paren', value }); + continue; + } + + if (value === ')') { + if (state.parens === 0 && opts.strictBrackets === true) { + throw new SyntaxError(syntaxError('opening', '(')); + } + + const extglob = extglobs[extglobs.length - 1]; + if (extglob && state.parens === extglob.parens + 1) { + extglobClose(extglobs.pop()); + continue; + } + + push({ type: 'paren', value, output: state.parens ? ')' : '\\)' }); + decrement('parens'); + continue; + } + + /** + * Square brackets + */ + + if (value === '[') { + if (opts.nobracket === true || !remaining().includes(']')) { + if (opts.nobracket !== true && opts.strictBrackets === true) { + throw new SyntaxError(syntaxError('closing', ']')); + } + + value = `\\${value}`; + } else { + increment('brackets'); + } + + push({ type: 'bracket', value }); + continue; + } + + if (value === ']') { + if (opts.nobracket === true || (prev && prev.type === 'bracket' && prev.value.length === 1)) { + push({ type: 'text', value, output: `\\${value}` }); + continue; + } + + if (state.brackets === 0) { + if (opts.strictBrackets === true) { + throw new SyntaxError(syntaxError('opening', '[')); + } + + push({ type: 'text', value, output: `\\${value}` }); + continue; + } + + decrement('brackets'); + + const prevValue = prev.value.slice(1); + if (prev.posix !== true && prevValue[0] === '^' && !prevValue.includes('/')) { + value = `/${value}`; + } + + prev.value += value; + append({ value }); + + // when literal brackets are explicitly disabled + // assume we should match with a regex character class + if (opts.literalBrackets === false || utils$1.hasRegexChars(prevValue)) { + continue; + } + + const escaped = utils$1.escapeRegex(prev.value); + state.output = state.output.slice(0, -prev.value.length); + + // when literal brackets are explicitly enabled + // assume we should escape the brackets to match literal characters + if (opts.literalBrackets === true) { + state.output += escaped; + prev.value = escaped; + continue; + } + + // when the user specifies nothing, try to match both + prev.value = `(${capture}${escaped}|${prev.value})`; + state.output += prev.value; + continue; + } + + /** + * Braces + */ + + if (value === '{' && opts.nobrace !== true) { + increment('braces'); + + const open = { + type: 'brace', + value, + output: '(', + outputIndex: state.output.length, + tokensIndex: state.tokens.length + }; + + braces.push(open); + push(open); + continue; + } + + if (value === '}') { + const brace = braces[braces.length - 1]; + + if (opts.nobrace === true || !brace) { + push({ type: 'text', value, output: value }); + continue; + } + + let output = ')'; + + if (brace.dots === true) { + const arr = tokens.slice(); + const range = []; + + for (let i = arr.length - 1; i >= 0; i--) { + tokens.pop(); + if (arr[i].type === 'brace') { + break; + } + if (arr[i].type !== 'dots') { + range.unshift(arr[i].value); + } + } + + output = expandRange(range, opts); + state.backtrack = true; + } + + if (brace.comma !== true && brace.dots !== true) { + const out = state.output.slice(0, brace.outputIndex); + const toks = state.tokens.slice(brace.tokensIndex); + brace.value = brace.output = '\\{'; + value = output = `\\}`; + state.output = out; + for (const t of toks) { + state.output += (t.output || t.value); + } + } + + push({ type: 'brace', value, output }); + decrement('braces'); + braces.pop(); + continue; + } + + /** + * Pipes + */ + + if (value === '|') { + if (extglobs.length > 0) { + extglobs[extglobs.length - 1].conditions++; + } + push({ type: 'text', value }); + continue; + } + + /** + * Commas + */ + + if (value === ',') { + let output = value; + + const brace = braces[braces.length - 1]; + if (brace && stack[stack.length - 1] === 'braces') { + brace.comma = true; + output = '|'; + } + + push({ type: 'comma', value, output }); + continue; + } + + /** + * Slashes + */ + + if (value === '/') { + // if the beginning of the glob is "./", advance the start + // to the current index, and don't add the "./" characters + // to the state. This greatly simplifies lookbehinds when + // checking for BOS characters like "!" and "." (not "./") + if (prev.type === 'dot' && state.index === state.start + 1) { + state.start = state.index + 1; + state.consumed = ''; + state.output = ''; + tokens.pop(); + prev = bos; // reset "prev" to the first token + continue; + } + + push({ type: 'slash', value, output: SLASH_LITERAL }); + continue; + } + + /** + * Dots + */ + + if (value === '.') { + if (state.braces > 0 && prev.type === 'dot') { + if (prev.value === '.') prev.output = DOT_LITERAL; + const brace = braces[braces.length - 1]; + prev.type = 'dots'; + prev.output += value; + prev.value += value; + brace.dots = true; + continue; + } + + if ((state.braces + state.parens) === 0 && prev.type !== 'bos' && prev.type !== 'slash') { + push({ type: 'text', value, output: DOT_LITERAL }); + continue; + } + + push({ type: 'dot', value, output: DOT_LITERAL }); + continue; + } + + /** + * Question marks + */ + + if (value === '?') { + const isGroup = prev && prev.value === '('; + if (!isGroup && opts.noextglob !== true && peek() === '(' && peek(2) !== '?') { + extglobOpen('qmark', value); + continue; + } + + if (prev && prev.type === 'paren') { + const next = peek(); + let output = value; + + if (next === '<' && !utils$1.supportsLookbehinds()) { + throw new Error('Node.js v10 or higher is required for regex lookbehinds'); + } + + if ((prev.value === '(' && !/[!=<:]/.test(next)) || (next === '<' && !/<([!=]|\w+>)/.test(remaining()))) { + output = `\\${value}`; + } + + push({ type: 'text', value, output }); + continue; + } + + if (opts.dot !== true && (prev.type === 'slash' || prev.type === 'bos')) { + push({ type: 'qmark', value, output: QMARK_NO_DOT }); + continue; + } + + push({ type: 'qmark', value, output: QMARK }); + continue; + } + + /** + * Exclamation + */ + + if (value === '!') { + if (opts.noextglob !== true && peek() === '(') { + if (peek(2) !== '?' || !/[!=<:]/.test(peek(3))) { + extglobOpen('negate', value); + continue; + } + } + + if (opts.nonegate !== true && state.index === 0) { + negate(); + continue; + } + } + + /** + * Plus + */ + + if (value === '+') { + if (opts.noextglob !== true && peek() === '(' && peek(2) !== '?') { + extglobOpen('plus', value); + continue; + } + + if ((prev && prev.value === '(') || opts.regex === false) { + push({ type: 'plus', value, output: PLUS_LITERAL }); + continue; + } + + if ((prev && (prev.type === 'bracket' || prev.type === 'paren' || prev.type === 'brace')) || state.parens > 0) { + push({ type: 'plus', value }); + continue; + } + + push({ type: 'plus', value: PLUS_LITERAL }); + continue; + } + + /** + * Plain text + */ + + if (value === '@') { + if (opts.noextglob !== true && peek() === '(' && peek(2) !== '?') { + push({ type: 'at', extglob: true, value, output: '' }); + continue; + } + + push({ type: 'text', value }); + continue; + } + + /** + * Plain text + */ + + if (value !== '*') { + if (value === '$' || value === '^') { + value = `\\${value}`; + } + + const match = REGEX_NON_SPECIAL_CHARS.exec(remaining()); + if (match) { + value += match[0]; + state.index += match[0].length; + } + + push({ type: 'text', value }); + continue; + } + + /** + * Stars + */ + + if (prev && (prev.type === 'globstar' || prev.star === true)) { + prev.type = 'star'; + prev.star = true; + prev.value += value; + prev.output = star; + state.backtrack = true; + state.globstar = true; + consume(value); + continue; + } + + let rest = remaining(); + if (opts.noextglob !== true && /^\([^?]/.test(rest)) { + extglobOpen('star', value); + continue; + } + + if (prev.type === 'star') { + if (opts.noglobstar === true) { + consume(value); + continue; + } + + const prior = prev.prev; + const before = prior.prev; + const isStart = prior.type === 'slash' || prior.type === 'bos'; + const afterStar = before && (before.type === 'star' || before.type === 'globstar'); + + if (opts.bash === true && (!isStart || (rest[0] && rest[0] !== '/'))) { + push({ type: 'star', value, output: '' }); + continue; + } + + const isBrace = state.braces > 0 && (prior.type === 'comma' || prior.type === 'brace'); + const isExtglob = extglobs.length && (prior.type === 'pipe' || prior.type === 'paren'); + if (!isStart && prior.type !== 'paren' && !isBrace && !isExtglob) { + push({ type: 'star', value, output: '' }); + continue; + } + + // strip consecutive `/**/` + while (rest.slice(0, 3) === '/**') { + const after = input[state.index + 4]; + if (after && after !== '/') { + break; + } + rest = rest.slice(3); + consume('/**', 3); + } + + if (prior.type === 'bos' && eos()) { + prev.type = 'globstar'; + prev.value += value; + prev.output = globstar(opts); + state.output = prev.output; + state.globstar = true; + consume(value); + continue; + } + + if (prior.type === 'slash' && prior.prev.type !== 'bos' && !afterStar && eos()) { + state.output = state.output.slice(0, -(prior.output + prev.output).length); + prior.output = `(?:${prior.output}`; + + prev.type = 'globstar'; + prev.output = globstar(opts) + (opts.strictSlashes ? ')' : '|$)'); + prev.value += value; + state.globstar = true; + state.output += prior.output + prev.output; + consume(value); + continue; + } + + if (prior.type === 'slash' && prior.prev.type !== 'bos' && rest[0] === '/') { + const end = rest[1] !== void 0 ? '|$' : ''; + + state.output = state.output.slice(0, -(prior.output + prev.output).length); + prior.output = `(?:${prior.output}`; + + prev.type = 'globstar'; + prev.output = `${globstar(opts)}${SLASH_LITERAL}|${SLASH_LITERAL}${end})`; + prev.value += value; + + state.output += prior.output + prev.output; + state.globstar = true; + + consume(value + advance()); + + push({ type: 'slash', value: '/', output: '' }); + continue; + } + + if (prior.type === 'bos' && rest[0] === '/') { + prev.type = 'globstar'; + prev.value += value; + prev.output = `(?:^|${SLASH_LITERAL}|${globstar(opts)}${SLASH_LITERAL})`; + state.output = prev.output; + state.globstar = true; + consume(value + advance()); + push({ type: 'slash', value: '/', output: '' }); + continue; + } + + // remove single star from output + state.output = state.output.slice(0, -prev.output.length); + + // reset previous token to globstar + prev.type = 'globstar'; + prev.output = globstar(opts); + prev.value += value; + + // reset output with globstar + state.output += prev.output; + state.globstar = true; + consume(value); + continue; + } + + const token = { type: 'star', value, output: star }; + + if (opts.bash === true) { + token.output = '.*?'; + if (prev.type === 'bos' || prev.type === 'slash') { + token.output = nodot + token.output; + } + push(token); + continue; + } + + if (prev && (prev.type === 'bracket' || prev.type === 'paren') && opts.regex === true) { + token.output = value; + push(token); + continue; + } + + if (state.index === state.start || prev.type === 'slash' || prev.type === 'dot') { + if (prev.type === 'dot') { + state.output += NO_DOT_SLASH; + prev.output += NO_DOT_SLASH; + + } else if (opts.dot === true) { + state.output += NO_DOTS_SLASH; + prev.output += NO_DOTS_SLASH; + + } else { + state.output += nodot; + prev.output += nodot; + } + + if (peek() !== '*') { + state.output += ONE_CHAR; + prev.output += ONE_CHAR; + } + } + + push(token); + } + + while (state.brackets > 0) { + if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', ']')); + state.output = utils$1.escapeLast(state.output, '['); + decrement('brackets'); + } + + while (state.parens > 0) { + if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', ')')); + state.output = utils$1.escapeLast(state.output, '('); + decrement('parens'); + } + + while (state.braces > 0) { + if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', '}')); + state.output = utils$1.escapeLast(state.output, '{'); + decrement('braces'); + } + + if (opts.strictSlashes !== true && (prev.type === 'star' || prev.type === 'bracket')) { + push({ type: 'maybe_slash', value: '', output: `${SLASH_LITERAL}?` }); + } + + // rebuild the output if we had to backtrack at any point + if (state.backtrack === true) { + state.output = ''; + + for (const token of state.tokens) { + state.output += token.output != null ? token.output : token.value; + + if (token.suffix) { + state.output += token.suffix; + } + } + } + + return state; +}; + +/** + * Fast paths for creating regular expressions for common glob patterns. + * This can significantly speed up processing and has very little downside + * impact when none of the fast paths match. + */ + +parse$5.fastpaths = (input, options) => { + const opts = { ...options }; + const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH; + const len = input.length; + if (len > max) { + throw new SyntaxError(`Input length: ${len}, exceeds maximum allowed length: ${max}`); + } + + input = REPLACEMENTS[input] || input; + const win32 = utils$1.isWindows(options); + + // create constants based on platform, for windows or posix + const { + DOT_LITERAL, + SLASH_LITERAL, + ONE_CHAR, + DOTS_SLASH, + NO_DOT, + NO_DOTS, + NO_DOTS_SLASH, + STAR, + START_ANCHOR + } = constants.globChars(win32); + + const nodot = opts.dot ? NO_DOTS : NO_DOT; + const slashDot = opts.dot ? NO_DOTS_SLASH : NO_DOT; + const capture = opts.capture ? '' : '?:'; + const state = { negated: false, prefix: '' }; + let star = opts.bash === true ? '.*?' : STAR; + + if (opts.capture) { + star = `(${star})`; + } + + const globstar = (opts) => { + if (opts.noglobstar === true) return star; + return `(${capture}(?:(?!${START_ANCHOR}${opts.dot ? DOTS_SLASH : DOT_LITERAL}).)*?)`; + }; + + const create = str => { + switch (str) { + case '*': + return `${nodot}${ONE_CHAR}${star}`; + + case '.*': + return `${DOT_LITERAL}${ONE_CHAR}${star}`; + + case '*.*': + return `${nodot}${star}${DOT_LITERAL}${ONE_CHAR}${star}`; + + case '*/*': + return `${nodot}${star}${SLASH_LITERAL}${ONE_CHAR}${slashDot}${star}`; + + case '**': + return nodot + globstar(opts); + + case '**/*': + return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${slashDot}${ONE_CHAR}${star}`; + + case '**/*.*': + return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${slashDot}${star}${DOT_LITERAL}${ONE_CHAR}${star}`; + + case '**/.*': + return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${DOT_LITERAL}${ONE_CHAR}${star}`; + + default: { + const match = /^(.*?)\.(\w+)$/.exec(str); + if (!match) return; + + const source = create(match[1]); + if (!source) return; + + return source + DOT_LITERAL + match[2]; + } + } + }; + + const output = utils$1.removePrefix(input, state); + let source = create(output); + + if (source && opts.strictSlashes !== true) { + source += `${SLASH_LITERAL}?`; + } + + return source; +}; + +var parse_1$1 = parse$5; + +const isObject$2 = val => val && typeof val === 'object' && !Array.isArray(val); + +/** + * Creates a matcher function from one or more glob patterns. The + * returned function takes a string to match as its first argument, + * and returns true if the string is a match. The returned matcher + * function also takes a boolean as the second argument that, when true, + * returns an object with additional information. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch(glob[, options]); + * + * const isMatch = picomatch('*.!(*a)'); + * console.log(isMatch('a.a')); //=> false + * console.log(isMatch('a.b')); //=> true + * ``` + * @name picomatch + * @param {String|Array} `globs` One or more glob patterns. + * @param {Object=} `options` + * @return {Function=} Returns a matcher function. + * @api public + */ + +const picomatch = (glob, options, returnState = false) => { + if (Array.isArray(glob)) { + const fns = glob.map(input => picomatch(input, options, returnState)); + const arrayMatcher = str => { + for (const isMatch of fns) { + const state = isMatch(str); + if (state) return state; + } + return false; + }; + return arrayMatcher; + } + + const isState = isObject$2(glob) && glob.tokens && glob.input; + + if (glob === '' || (typeof glob !== 'string' && !isState)) { + throw new TypeError('Expected pattern to be a non-empty string'); + } + + const opts = options || {}; + const posix = utils$1.isWindows(options); + const regex = isState + ? picomatch.compileRe(glob, options) + : picomatch.makeRe(glob, options, false, true); + + const state = regex.state; + delete regex.state; + + let isIgnored = () => false; + if (opts.ignore) { + const ignoreOpts = { ...options, ignore: null, onMatch: null, onResult: null }; + isIgnored = picomatch(opts.ignore, ignoreOpts, returnState); + } + + const matcher = (input, returnObject = false) => { + const { isMatch, match, output } = picomatch.test(input, regex, options, { glob, posix }); + const result = { glob, state, regex, posix, input, output, match, isMatch }; + + if (typeof opts.onResult === 'function') { + opts.onResult(result); + } + + if (isMatch === false) { + result.isMatch = false; + return returnObject ? result : false; + } + + if (isIgnored(input)) { + if (typeof opts.onIgnore === 'function') { + opts.onIgnore(result); + } + result.isMatch = false; + return returnObject ? result : false; + } + + if (typeof opts.onMatch === 'function') { + opts.onMatch(result); + } + return returnObject ? result : true; + }; + + if (returnState) { + matcher.state = state; + } + + return matcher; +}; + +/** + * Test `input` with the given `regex`. This is used by the main + * `picomatch()` function to test the input string. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.test(input, regex[, options]); + * + * console.log(picomatch.test('foo/bar', /^(?:([^/]*?)\/([^/]*?))$/)); + * // { isMatch: true, match: [ 'foo/', 'foo', 'bar' ], output: 'foo/bar' } + * ``` + * @param {String} `input` String to test. + * @param {RegExp} `regex` + * @return {Object} Returns an object with matching info. + * @api public + */ + +picomatch.test = (input, regex, options, { glob, posix } = {}) => { + if (typeof input !== 'string') { + throw new TypeError('Expected input to be a string'); + } + + if (input === '') { + return { isMatch: false, output: '' }; + } + + const opts = options || {}; + const format = opts.format || (posix ? utils$1.toPosixSlashes : null); + let match = input === glob; + let output = (match && format) ? format(input) : input; + + if (match === false) { + output = format ? format(input) : input; + match = output === glob; + } + + if (match === false || opts.capture === true) { + if (opts.matchBase === true || opts.basename === true) { + match = picomatch.matchBase(input, regex, options, posix); + } else { + match = regex.exec(output); + } + } + + return { isMatch: Boolean(match), match, output }; +}; + +/** + * Match the basename of a filepath. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.matchBase(input, glob[, options]); + * console.log(picomatch.matchBase('foo/bar.js', '*.js'); // true + * ``` + * @param {String} `input` String to test. + * @param {RegExp|String} `glob` Glob pattern or regex created by [.makeRe](#makeRe). + * @return {Boolean} + * @api public + */ + +picomatch.matchBase = (input, glob, options, posix = utils$1.isWindows(options)) => { + const regex = glob instanceof RegExp ? glob : picomatch.makeRe(glob, options); + return regex.test(path$1.basename(input)); +}; + +/** + * Returns true if **any** of the given glob `patterns` match the specified `string`. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.isMatch(string, patterns[, options]); + * + * console.log(picomatch.isMatch('a.a', ['b.*', '*.a'])); //=> true + * console.log(picomatch.isMatch('a.a', 'b.*')); //=> false + * ``` + * @param {String|Array} str The string to test. + * @param {String|Array} patterns One or more glob patterns to use for matching. + * @param {Object} [options] See available [options](#options). + * @return {Boolean} Returns true if any patterns match `str` + * @api public + */ + +picomatch.isMatch = (str, patterns, options) => picomatch(patterns, options)(str); + +/** + * Parse a glob pattern to create the source string for a regular + * expression. + * + * ```js + * const picomatch = require('picomatch'); + * const result = picomatch.parse(pattern[, options]); + * ``` + * @param {String} `pattern` + * @param {Object} `options` + * @return {Object} Returns an object with useful properties and output to be used as a regex source string. + * @api public + */ + +picomatch.parse = (pattern, options) => { + if (Array.isArray(pattern)) return pattern.map(p => picomatch.parse(p, options)); + return parse_1$1(pattern, { ...options, fastpaths: false }); +}; + +/** + * Scan a glob pattern to separate the pattern into segments. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.scan(input[, options]); + * + * const result = picomatch.scan('!./foo/*.js'); + * console.log(result); + * { prefix: '!./', + * input: '!./foo/*.js', + * start: 3, + * base: 'foo', + * glob: '*.js', + * isBrace: false, + * isBracket: false, + * isGlob: true, + * isExtglob: false, + * isGlobstar: false, + * negated: true } + * ``` + * @param {String} `input` Glob pattern to scan. + * @param {Object} `options` + * @return {Object} Returns an object with + * @api public + */ + +picomatch.scan = (input, options) => scan_1(input, options); + +/** + * Create a regular expression from a glob pattern. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.makeRe(input[, options]); + * + * console.log(picomatch.makeRe('*.js')); + * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/ + * ``` + * @param {String} `input` A glob pattern to convert to regex. + * @param {Object} `options` + * @return {RegExp} Returns a regex created from the given pattern. + * @api public + */ + +picomatch.compileRe = (parsed, options, returnOutput = false, returnState = false) => { + if (returnOutput === true) { + return parsed.output; + } + + const opts = options || {}; + const prepend = opts.contains ? '' : '^'; + const append = opts.contains ? '' : '$'; + + let source = `${prepend}(?:${parsed.output})${append}`; + if (parsed && parsed.negated === true) { + source = `^(?!${source}).*$`; + } + + const regex = picomatch.toRegex(source, options); + if (returnState === true) { + regex.state = parsed; + } + + return regex; +}; + +picomatch.makeRe = (input, options, returnOutput = false, returnState = false) => { + if (!input || typeof input !== 'string') { + throw new TypeError('Expected a non-empty string'); + } + + const opts = options || {}; + let parsed = { negated: false, fastpaths: true }; + let prefix = ''; + let output; + + if (input.startsWith('./')) { + input = input.slice(2); + prefix = parsed.prefix = './'; + } + + if (opts.fastpaths !== false && (input[0] === '.' || input[0] === '*')) { + output = parse_1$1.fastpaths(input, options); + } + + if (output === undefined) { + parsed = parse_1$1(input, options); + parsed.prefix = prefix + (parsed.prefix || ''); + } else { + parsed.output = output; + } + + return picomatch.compileRe(parsed, options, returnOutput, returnState); +}; + +/** + * Create a regular expression from the given regex source string. + * + * ```js + * const picomatch = require('picomatch'); + * // picomatch.toRegex(source[, options]); + * + * const { output } = picomatch.parse('*.js'); + * console.log(picomatch.toRegex(output)); + * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/ + * ``` + * @param {String} `source` Regular expression source string. + * @param {Object} `options` + * @return {RegExp} + * @api public + */ + +picomatch.toRegex = (source, options) => { + try { + const opts = options || {}; + return new RegExp(source, opts.flags || (opts.nocase ? 'i' : '')); + } catch (err) { + if (options && options.debug === true) throw err; + return /$^/; + } +}; + +/** + * Picomatch constants. + * @return {Object} + */ + +picomatch.constants = constants; + +/** + * Expose "picomatch" + */ + +var picomatch_1 = picomatch; + +var picomatch$1 = picomatch_1; + +const { Readable } = stream; + +const { promisify } = util$1; + + +const readdir$1 = promisify(fs$1.readdir); +const stat$2 = promisify(fs$1.stat); +const lstat = promisify(fs$1.lstat); + +/** + * @typedef {Object} EntryInfo + * @property {String} path + * @property {String} fullPath + * @property {fs.Stats=} stats + * @property {fs.Dirent=} dirent + * @property {String} basename + */ + +const BANG = '!'; +const NORMAL_FLOW_ERRORS = new Set(['ENOENT', 'EPERM', 'EACCES', 'ELOOP']); +const FILE_TYPE = 'files'; +const DIR_TYPE = 'directories'; +const FILE_DIR_TYPE = 'files_directories'; +const EVERYTHING_TYPE = 'all'; +const ALL_TYPES = [FILE_TYPE, DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE]; + +const isNormalFlowError = error => NORMAL_FLOW_ERRORS.has(error.code); + +const normalizeFilter = filter => { + if (filter === undefined) return; + if (typeof filter === 'function') return filter; + + if (typeof filter === 'string') { + const glob = picomatch$1(filter.trim()); + return entry => glob(entry.basename); + } + + if (Array.isArray(filter)) { + const positive = []; + const negative = []; + for (const item of filter) { + const trimmed = item.trim(); + if (trimmed.charAt(0) === BANG) { + negative.push(picomatch$1(trimmed.slice(1))); + } else { + positive.push(picomatch$1(trimmed)); + } + } + + if (negative.length > 0) { + if (positive.length > 0) { + return entry => + positive.some(f => f(entry.basename)) && !negative.some(f => f(entry.basename)); + } + return entry => !negative.some(f => f(entry.basename)); + } + return entry => positive.some(f => f(entry.basename)); + } +}; + +class ReaddirpStream extends Readable { + static get defaultOptions() { + return { + root: '.', + /* eslint-disable no-unused-vars */ + fileFilter: (path) => true, + directoryFilter: (path) => true, + /* eslint-enable no-unused-vars */ + type: FILE_TYPE, + lstat: false, + depth: 2147483648, + alwaysStat: false + }; + } + + constructor(options = {}) { + super({ + objectMode: true, + autoDestroy: true, + highWaterMark: options.highWaterMark || 4096 + }); + const opts = { ...ReaddirpStream.defaultOptions, ...options }; + const { root, type } = opts; + + this._fileFilter = normalizeFilter(opts.fileFilter); + this._directoryFilter = normalizeFilter(opts.directoryFilter); + + const statMethod = opts.lstat ? lstat : stat$2; + // Use bigint stats if it's windows and stat() supports options (node 10+). + if (process.platform === 'win32' && stat$2.length === 3) { + this._stat = path => statMethod(path, { bigint: true }); + } else { + this._stat = statMethod; + } + + this._maxDepth = opts.depth; + this._wantsDir = [DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE].includes(type); + this._wantsFile = [FILE_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE].includes(type); + this._wantsEverything = type === EVERYTHING_TYPE; + this._root = path$1.resolve(root); + this._isDirent = ('Dirent' in fs$1) && !opts.alwaysStat; + this._statsProp = this._isDirent ? 'dirent' : 'stats'; + this._rdOptions = { encoding: 'utf8', withFileTypes: this._isDirent }; + + // Launch stream with one parent, the root dir. + try { + this.parents = [this._exploreDir(root, 1)]; + } catch (error) { + this.destroy(error); + } + this.reading = false; + this.parent = undefined; + } + + async _read(batch) { + if (this.reading) return; + this.reading = true; + + try { + while (!this.destroyed && batch > 0) { + const { path, depth, files = [] } = this.parent || {}; + + if (files.length > 0) { + const slice = files.splice(0, batch).map(dirent => this._formatEntry(dirent, path)); + for (const entry of await Promise.all(slice)) { + if (this._isDirAndMatchesFilter(entry)) { + if (depth <= this._maxDepth) { + this.parents.push(this._exploreDir(entry.fullPath, depth + 1)); + } + + if (this._wantsDir) { + this.push(entry); + batch--; + } + } else if (this._isFileAndMatchesFilter(entry)) { + if (this._wantsFile) { + this.push(entry); + batch--; + } + } + } + } else { + const parent = this.parents.pop(); + if (!parent) { + this.push(null); + break; + } + this.parent = await parent; + } + } + } catch (error) { + this.destroy(error); + } finally { + this.reading = false; + } + } + + async _exploreDir(path, depth) { + let files; + try { + files = await readdir$1(path, this._rdOptions); + } catch (error) { + this._onError(error); + } + return {files, depth, path}; + } + + async _formatEntry(dirent, path) { + const basename = this._isDirent ? dirent.name : dirent; + const fullPath = path$1.resolve(path$1.join(path, basename)); + const entry = {path: path$1.relative(this._root, fullPath), fullPath, basename}; + try { + entry[this._statsProp] = this._isDirent ? dirent : await this._stat(fullPath); + } catch (err) { + this._onError(err); + } + return entry; + } + + _onError(err) { + if (isNormalFlowError(err) && !this.destroyed) { + this.emit('warn', err); + } else { + throw err; + } + } + + _isDirAndMatchesFilter(entry) { + // entry may be undefined, because a warning or an error were emitted + // and the statsProp is undefined + const stats = entry && entry[this._statsProp]; + return stats && stats.isDirectory() && this._directoryFilter(entry); + } + + _isFileAndMatchesFilter(entry) { + const stats = entry && entry[this._statsProp]; + const isFileType = stats && ( + (this._wantsEverything && !stats.isDirectory()) || + (stats.isFile() || stats.isSymbolicLink()) + ); + return isFileType && this._fileFilter(entry); + } +} + +/** + * @typedef {Object} ReaddirpArguments + * @property {Function=} fileFilter + * @property {Function=} directoryFilter + * @property {String=} type + * @property {Number=} depth + * @property {String=} root + * @property {Boolean=} lstat + * @property {Boolean=} bigint + */ + +/** + * Main function which ends up calling readdirRec and reads all files and directories in given root recursively. + * @param {String} root Root directory + * @param {ReaddirpArguments=} options Options to specify root (start directory), filters and recursion depth + */ +const readdirp = (root, options = {}) => { + let type = options.entryType || options.type; + if (type === 'both') type = FILE_DIR_TYPE; // backwards-compatibility + if (type) options.type = type; + if (!root) { + throw new Error('readdirp: root argument is required. Usage: readdirp(root, options)'); + } else if (typeof root !== 'string') { + throw new TypeError('readdirp: root argument must be a string. Usage: readdirp(root, options)'); + } else if (type && !ALL_TYPES.includes(type)) { + throw new Error(`readdirp: Invalid type passed. Use one of ${ALL_TYPES.join(', ')}`); + } + + options.root = root; + return new ReaddirpStream(options); +}; + +const readdirpPromise = (root, options = {}) => { + return new Promise((resolve, reject) => { + const files = []; + readdirp(root, options) + .on('data', entry => files.push(entry)) + .on('end', () => resolve(files)) + .on('error', error => reject(error)); + }); +}; + +readdirp.promise = readdirpPromise; +readdirp.ReaddirpStream = ReaddirpStream; +readdirp.default = readdirp; + +var readdirp_1 = readdirp; + +/*! + * normalize-path + * + * Copyright (c) 2014-2018, Jon Schlinkert. + * Released under the MIT License. + */ + +var normalizePath = function(path, stripTrailing) { + if (typeof path !== 'string') { + throw new TypeError('expected path to be a string'); + } + + if (path === '\\' || path === '/') return '/'; + + var len = path.length; + if (len <= 1) return path; + + // ensure that win32 namespaces has two leading slashes, so that the path is + // handled properly by the win32 version of path.parse() after being normalized + // https://msdn.microsoft.com/library/windows/desktop/aa365247(v=vs.85).aspx#namespaces + var prefix = ''; + if (len > 4 && path[3] === '\\') { + var ch = path[2]; + if ((ch === '?' || ch === '.') && path.slice(0, 2) === '\\\\') { + path = path.slice(2); + prefix = '//'; + } + } + + var segs = path.split(/[/\\]+/); + if (stripTrailing !== false && segs[segs.length - 1] === '') { + segs.pop(); + } + return prefix + segs.join('/'); +}; + +var anymatch_1 = createCommonjsModule(function (module, exports) { + +Object.defineProperty(exports, "__esModule", { value: true }); + + + + +/** + * @typedef {(testString: string) => boolean} AnymatchFn + * @typedef {string|RegExp|AnymatchFn} AnymatchPattern + * @typedef {AnymatchPattern|AnymatchPattern[]} AnymatchMatcher + */ +const BANG = '!'; +const DEFAULT_OPTIONS = {returnIndex: false}; +const arrify = (item) => Array.isArray(item) ? item : [item]; + +/** + * @param {AnymatchPattern} matcher + * @param {object} options + * @returns {AnymatchFn} + */ +const createPattern = (matcher, options) => { + if (typeof matcher === 'function') { + return matcher; + } + if (typeof matcher === 'string') { + const glob = picomatch$1(matcher, options); + return (string) => matcher === string || glob(string); + } + if (matcher instanceof RegExp) { + return (string) => matcher.test(string); + } + return (string) => false; +}; + +/** + * @param {Array} patterns + * @param {Array} negPatterns + * @param {String|Array} args + * @param {Boolean} returnIndex + * @returns {boolean|number} + */ +const matchPatterns = (patterns, negPatterns, args, returnIndex) => { + const isList = Array.isArray(args); + const _path = isList ? args[0] : args; + if (!isList && typeof _path !== 'string') { + throw new TypeError('anymatch: second argument must be a string: got ' + + Object.prototype.toString.call(_path)) + } + const path = normalizePath(_path); + + for (let index = 0; index < negPatterns.length; index++) { + const nglob = negPatterns[index]; + if (nglob(path)) { + return returnIndex ? -1 : false; + } + } + + const applied = isList && [path].concat(args.slice(1)); + for (let index = 0; index < patterns.length; index++) { + const pattern = patterns[index]; + if (isList ? pattern(...applied) : pattern(path)) { + return returnIndex ? index : true; + } + } + + return returnIndex ? -1 : false; +}; + +/** + * @param {AnymatchMatcher} matchers + * @param {Array|string} testString + * @param {object} options + * @returns {boolean|number|Function} + */ +const anymatch = (matchers, testString, options = DEFAULT_OPTIONS) => { + if (matchers == null) { + throw new TypeError('anymatch: specify first argument'); + } + const opts = typeof options === 'boolean' ? {returnIndex: options} : options; + const returnIndex = opts.returnIndex || false; + + // Early cache for matchers. + const mtchers = arrify(matchers); + const negatedGlobs = mtchers + .filter(item => typeof item === 'string' && item.charAt(0) === BANG) + .map(item => item.slice(1)) + .map(item => picomatch$1(item, opts)); + const patterns = mtchers.map(matcher => createPattern(matcher, opts)); + + if (testString == null) { + return (testString, ri = false) => { + const returnIndex = typeof ri === 'boolean' ? ri : false; + return matchPatterns(patterns, negatedGlobs, testString, returnIndex); + } + } + + return matchPatterns(patterns, negatedGlobs, testString, returnIndex); +}; + +anymatch.default = anymatch; +module.exports = anymatch; +}); + +unwrapExports(anymatch_1); + +/*! + * is-extglob + * + * Copyright (c) 2014-2016, Jon Schlinkert. + * Licensed under the MIT License. + */ + +var isExtglob = function isExtglob(str) { + if (typeof str !== 'string' || str === '') { + return false; + } + + var match; + while ((match = /(\\).|([@?!+*]\(.*\))/g.exec(str))) { + if (match[2]) return true; + str = str.slice(match.index + match[0].length); + } + + return false; +}; + +/*! + * is-glob + * + * Copyright (c) 2014-2017, Jon Schlinkert. + * Released under the MIT License. + */ + + +var chars$1 = { '{': '}', '(': ')', '[': ']'}; +var strictRegex = /\\(.)|(^!|\*|[\].+)]\?|\[[^\\\]]+\]|\{[^\\}]+\}|\(\?[:!=][^\\)]+\)|\([^|]+\|[^\\)]+\))/; +var relaxedRegex = /\\(.)|(^!|[*?{}()[\]]|\(\?)/; + +var isGlob = function isGlob(str, options) { + if (typeof str !== 'string' || str === '') { + return false; + } + + if (isExtglob(str)) { + return true; + } + + var regex = strictRegex; + var match; + + // optionally relax regex + if (options && options.strict === false) { + regex = relaxedRegex; + } + + while ((match = regex.exec(str))) { + if (match[2]) return true; + var idx = match.index + match[0].length; + + // if an open bracket/brace/paren is escaped, + // set the index to the next closing character + var open = match[1]; + var close = open ? chars$1[open] : null; + if (open && close) { + var n = str.indexOf(close, idx); + if (n !== -1) { + idx = n + 1; + } + } + + str = str.slice(idx); + } + return false; +}; + +var pathPosixDirname = path$1.posix.dirname; +var isWin32 = os.platform() === 'win32'; + +var slash = '/'; +var backslash = /\\/g; +var enclosure = /[\{\[].*[\/]*.*[\}\]]$/; +var globby = /(^|[^\\])([\{\[]|\([^\)]+$)/; +var escaped = /\\([\*\?\|\[\]\(\)\{\}])/g; + +/** + * @param {string} str + * @param {Object} opts + * @param {boolean} [opts.flipBackslashes=true] + */ +var globParent = function globParent(str, opts) { + var options = Object.assign({ flipBackslashes: true }, opts); + + // flip windows path separators + if (options.flipBackslashes && isWin32 && str.indexOf(slash) < 0) { + str = str.replace(backslash, slash); + } + + // special case for strings ending in enclosure containing path separator + if (enclosure.test(str)) { + str += slash; + } + + // preserves full path in case of trailing path separator + str += 'a'; + + // remove path parts that are globby + do { + str = pathPosixDirname(str); + } while (isGlob(str) || globby.test(str)); + + // remove escape chars and return result + return str.replace(escaped, '$1'); +}; + +var utils$2 = createCommonjsModule(function (module, exports) { + +exports.isInteger = num => { + if (typeof num === 'number') { + return Number.isInteger(num); + } + if (typeof num === 'string' && num.trim() !== '') { + return Number.isInteger(Number(num)); + } + return false; +}; + +/** + * Find a node of the given type + */ + +exports.find = (node, type) => node.nodes.find(node => node.type === type); + +/** + * Find a node of the given type + */ + +exports.exceedsLimit = (min, max, step = 1, limit) => { + if (limit === false) return false; + if (!exports.isInteger(min) || !exports.isInteger(max)) return false; + return ((Number(max) - Number(min)) / Number(step)) >= limit; +}; + +/** + * Escape the given node with '\\' before node.value + */ + +exports.escapeNode = (block, n = 0, type) => { + let node = block.nodes[n]; + if (!node) return; + + if ((type && node.type === type) || node.type === 'open' || node.type === 'close') { + if (node.escaped !== true) { + node.value = '\\' + node.value; + node.escaped = true; + } + } +}; + +/** + * Returns true if the given brace node should be enclosed in literal braces + */ + +exports.encloseBrace = node => { + if (node.type !== 'brace') return false; + if ((node.commas >> 0 + node.ranges >> 0) === 0) { + node.invalid = true; + return true; + } + return false; +}; + +/** + * Returns true if a brace node is invalid. + */ + +exports.isInvalidBrace = block => { + if (block.type !== 'brace') return false; + if (block.invalid === true || block.dollar) return true; + if ((block.commas >> 0 + block.ranges >> 0) === 0) { + block.invalid = true; + return true; + } + if (block.open !== true || block.close !== true) { + block.invalid = true; + return true; + } + return false; +}; + +/** + * Returns true if a node is an open or close node + */ + +exports.isOpenOrClose = node => { + if (node.type === 'open' || node.type === 'close') { + return true; + } + return node.open === true || node.close === true; +}; + +/** + * Reduce an array of text nodes. + */ + +exports.reduce = nodes => nodes.reduce((acc, node) => { + if (node.type === 'text') acc.push(node.value); + if (node.type === 'range') node.type = 'text'; + return acc; +}, []); + +/** + * Flatten an array + */ + +exports.flatten = (...args) => { + const result = []; + const flat = arr => { + for (let i = 0; i < arr.length; i++) { + let ele = arr[i]; + Array.isArray(ele) ? flat(ele) : ele !== void 0 && result.push(ele); + } + return result; + }; + flat(args); + return result; +}; +}); +var utils_1$2 = utils$2.isInteger; +var utils_2$2 = utils$2.find; +var utils_3$2 = utils$2.exceedsLimit; +var utils_4$2 = utils$2.escapeNode; +var utils_5$2 = utils$2.encloseBrace; +var utils_6$1 = utils$2.isInvalidBrace; +var utils_7$1 = utils$2.isOpenOrClose; +var utils_8$1 = utils$2.reduce; +var utils_9$1 = utils$2.flatten; + +var stringify$3 = (ast, options = {}) => { + let stringify = (node, parent = {}) => { + let invalidBlock = options.escapeInvalid && utils$2.isInvalidBrace(parent); + let invalidNode = node.invalid === true && options.escapeInvalid === true; + let output = ''; + + if (node.value) { + if ((invalidBlock || invalidNode) && utils$2.isOpenOrClose(node)) { + return '\\' + node.value; + } + return node.value; + } + + if (node.value) { + return node.value; + } + + if (node.nodes) { + for (let child of node.nodes) { + output += stringify(child); + } + } + return output; + }; + + return stringify(ast); +}; + +/*! + * is-number + * + * Copyright (c) 2014-present, Jon Schlinkert. + * Released under the MIT License. + */ + +var isNumber$1 = function(num) { + if (typeof num === 'number') { + return num - num === 0; + } + if (typeof num === 'string' && num.trim() !== '') { + return Number.isFinite ? Number.isFinite(+num) : isFinite(+num); + } + return false; +}; + +const toRegexRange = (min, max, options) => { + if (isNumber$1(min) === false) { + throw new TypeError('toRegexRange: expected the first argument to be a number'); + } + + if (max === void 0 || min === max) { + return String(min); + } + + if (isNumber$1(max) === false) { + throw new TypeError('toRegexRange: expected the second argument to be a number.'); + } + + let opts = { relaxZeros: true, ...options }; + if (typeof opts.strictZeros === 'boolean') { + opts.relaxZeros = opts.strictZeros === false; + } + + let relax = String(opts.relaxZeros); + let shorthand = String(opts.shorthand); + let capture = String(opts.capture); + let wrap = String(opts.wrap); + let cacheKey = min + ':' + max + '=' + relax + shorthand + capture + wrap; + + if (toRegexRange.cache.hasOwnProperty(cacheKey)) { + return toRegexRange.cache[cacheKey].result; + } + + let a = Math.min(min, max); + let b = Math.max(min, max); + + if (Math.abs(a - b) === 1) { + let result = min + '|' + max; + if (opts.capture) { + return `(${result})`; + } + if (opts.wrap === false) { + return result; + } + return `(?:${result})`; + } + + let isPadded = hasPadding(min) || hasPadding(max); + let state = { min, max, a, b }; + let positives = []; + let negatives = []; + + if (isPadded) { + state.isPadded = isPadded; + state.maxLen = String(state.max).length; + } + + if (a < 0) { + let newMin = b < 0 ? Math.abs(b) : 1; + negatives = splitToPatterns(newMin, Math.abs(a), state, opts); + a = state.a = 0; + } + + if (b >= 0) { + positives = splitToPatterns(a, b, state, opts); + } + + state.negatives = negatives; + state.positives = positives; + state.result = collatePatterns(negatives, positives); + + if (opts.capture === true) { + state.result = `(${state.result})`; + } else if (opts.wrap !== false && (positives.length + negatives.length) > 1) { + state.result = `(?:${state.result})`; + } + + toRegexRange.cache[cacheKey] = state; + return state.result; +}; + +function collatePatterns(neg, pos, options) { + let onlyNegative = filterPatterns(neg, pos, '-', false) || []; + let onlyPositive = filterPatterns(pos, neg, '', false) || []; + let intersected = filterPatterns(neg, pos, '-?', true) || []; + let subpatterns = onlyNegative.concat(intersected).concat(onlyPositive); + return subpatterns.join('|'); +} + +function splitToRanges(min, max) { + let nines = 1; + let zeros = 1; + + let stop = countNines(min, nines); + let stops = new Set([max]); + + while (min <= stop && stop <= max) { + stops.add(stop); + nines += 1; + stop = countNines(min, nines); + } + + stop = countZeros(max + 1, zeros) - 1; + + while (min < stop && stop <= max) { + stops.add(stop); + zeros += 1; + stop = countZeros(max + 1, zeros) - 1; + } + + stops = [...stops]; + stops.sort(compare$1); + return stops; +} + +/** + * Convert a range to a regex pattern + * @param {Number} `start` + * @param {Number} `stop` + * @return {String} + */ + +function rangeToPattern(start, stop, options) { + if (start === stop) { + return { pattern: start, count: [], digits: 0 }; + } + + let zipped = zip(start, stop); + let digits = zipped.length; + let pattern = ''; + let count = 0; + + for (let i = 0; i < digits; i++) { + let [startDigit, stopDigit] = zipped[i]; + + if (startDigit === stopDigit) { + pattern += startDigit; + + } else if (startDigit !== '0' || stopDigit !== '9') { + pattern += toCharacterClass(startDigit, stopDigit); + + } else { + count++; + } + } + + if (count) { + pattern += options.shorthand === true ? '\\d' : '[0-9]'; + } + + return { pattern, count: [count], digits }; +} + +function splitToPatterns(min, max, tok, options) { + let ranges = splitToRanges(min, max); + let tokens = []; + let start = min; + let prev; + + for (let i = 0; i < ranges.length; i++) { + let max = ranges[i]; + let obj = rangeToPattern(String(start), String(max), options); + let zeros = ''; + + if (!tok.isPadded && prev && prev.pattern === obj.pattern) { + if (prev.count.length > 1) { + prev.count.pop(); + } + + prev.count.push(obj.count[0]); + prev.string = prev.pattern + toQuantifier(prev.count); + start = max + 1; + continue; + } + + if (tok.isPadded) { + zeros = padZeros(max, tok, options); + } + + obj.string = zeros + obj.pattern + toQuantifier(obj.count); + tokens.push(obj); + start = max + 1; + prev = obj; + } + + return tokens; +} + +function filterPatterns(arr, comparison, prefix, intersection, options) { + let result = []; + + for (let ele of arr) { + let { string } = ele; + + // only push if _both_ are negative... + if (!intersection && !contains(comparison, 'string', string)) { + result.push(prefix + string); + } + + // or _both_ are positive + if (intersection && contains(comparison, 'string', string)) { + result.push(prefix + string); + } + } + return result; +} + +/** + * Zip strings + */ + +function zip(a, b) { + let arr = []; + for (let i = 0; i < a.length; i++) arr.push([a[i], b[i]]); + return arr; +} + +function compare$1(a, b) { + return a > b ? 1 : b > a ? -1 : 0; +} + +function contains(arr, key, val) { + return arr.some(ele => ele[key] === val); +} + +function countNines(min, len) { + return Number(String(min).slice(0, -len) + '9'.repeat(len)); +} + +function countZeros(integer, zeros) { + return integer - (integer % Math.pow(10, zeros)); +} + +function toQuantifier(digits) { + let [start = 0, stop = ''] = digits; + if (stop || start > 1) { + return `{${start + (stop ? ',' + stop : '')}}`; + } + return ''; +} + +function toCharacterClass(a, b, options) { + return `[${a}${(b - a === 1) ? '' : '-'}${b}]`; +} + +function hasPadding(str) { + return /^-?(0+)\d/.test(str); +} + +function padZeros(value, tok, options) { + if (!tok.isPadded) { + return value; + } + + let diff = Math.abs(tok.maxLen - String(value).length); + let relax = options.relaxZeros !== false; + + switch (diff) { + case 0: + return ''; + case 1: + return relax ? '0?' : '0'; + case 2: + return relax ? '0{0,2}' : '00'; + default: { + return relax ? `0{0,${diff}}` : `0{${diff}}`; + } + } +} + +/** + * Cache + */ + +toRegexRange.cache = {}; +toRegexRange.clearCache = () => (toRegexRange.cache = {}); + +/** + * Expose `toRegexRange` + */ + +var toRegexRange_1 = toRegexRange; + +const isObject$3 = val => val !== null && typeof val === 'object' && !Array.isArray(val); + +const transform$2 = toNumber => { + return value => toNumber === true ? Number(value) : String(value); +}; + +const isValidValue = value => { + return typeof value === 'number' || (typeof value === 'string' && value !== ''); +}; + +const isNumber$2 = num => Number.isInteger(+num); + +const zeros = input => { + let value = `${input}`; + let index = -1; + if (value[0] === '-') value = value.slice(1); + if (value === '0') return false; + while (value[++index] === '0'); + return index > 0; +}; + +const stringify$4 = (start, end, options) => { + if (typeof start === 'string' || typeof end === 'string') { + return true; + } + return options.stringify === true; +}; + +const pad = (input, maxLength, toNumber) => { + if (maxLength > 0) { + let dash = input[0] === '-' ? '-' : ''; + if (dash) input = input.slice(1); + input = (dash + input.padStart(dash ? maxLength - 1 : maxLength, '0')); + } + if (toNumber === false) { + return String(input); + } + return input; +}; + +const toMaxLen = (input, maxLength) => { + let negative = input[0] === '-' ? '-' : ''; + if (negative) { + input = input.slice(1); + maxLength--; + } + while (input.length < maxLength) input = '0' + input; + return negative ? ('-' + input) : input; +}; + +const toSequence = (parts, options) => { + parts.negatives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0); + parts.positives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0); + + let prefix = options.capture ? '' : '?:'; + let positives = ''; + let negatives = ''; + let result; + + if (parts.positives.length) { + positives = parts.positives.join('|'); + } + + if (parts.negatives.length) { + negatives = `-(${prefix}${parts.negatives.join('|')})`; + } + + if (positives && negatives) { + result = `${positives}|${negatives}`; + } else { + result = positives || negatives; + } + + if (options.wrap) { + return `(${prefix}${result})`; + } + + return result; +}; + +const toRange = (a, b, isNumbers, options) => { + if (isNumbers) { + return toRegexRange_1(a, b, { wrap: false, ...options }); + } + + let start = String.fromCharCode(a); + if (a === b) return start; + + let stop = String.fromCharCode(b); + return `[${start}-${stop}]`; +}; + +const toRegex = (start, end, options) => { + if (Array.isArray(start)) { + let wrap = options.wrap === true; + let prefix = options.capture ? '' : '?:'; + return wrap ? `(${prefix}${start.join('|')})` : start.join('|'); + } + return toRegexRange_1(start, end, options); +}; + +const rangeError = (...args) => { + return new RangeError('Invalid range arguments: ' + util$1.inspect(...args)); +}; + +const invalidRange = (start, end, options) => { + if (options.strictRanges === true) throw rangeError([start, end]); + return []; +}; + +const invalidStep = (step, options) => { + if (options.strictRanges === true) { + throw new TypeError(`Expected step "${step}" to be a number`); + } + return []; +}; + +const fillNumbers = (start, end, step = 1, options = {}) => { + let a = Number(start); + let b = Number(end); + + if (!Number.isInteger(a) || !Number.isInteger(b)) { + if (options.strictRanges === true) throw rangeError([start, end]); + return []; + } + + // fix negative zero + if (a === 0) a = 0; + if (b === 0) b = 0; + + let descending = a > b; + let startString = String(start); + let endString = String(end); + let stepString = String(step); + step = Math.max(Math.abs(step), 1); + + let padded = zeros(startString) || zeros(endString) || zeros(stepString); + let maxLen = padded ? Math.max(startString.length, endString.length, stepString.length) : 0; + let toNumber = padded === false && stringify$4(start, end, options) === false; + let format = options.transform || transform$2(toNumber); + + if (options.toRegex && step === 1) { + return toRange(toMaxLen(start, maxLen), toMaxLen(end, maxLen), true, options); + } + + let parts = { negatives: [], positives: [] }; + let push = num => parts[num < 0 ? 'negatives' : 'positives'].push(Math.abs(num)); + let range = []; + let index = 0; + + while (descending ? a >= b : a <= b) { + if (options.toRegex === true && step > 1) { + push(a); + } else { + range.push(pad(format(a, index), maxLen, toNumber)); + } + a = descending ? a - step : a + step; + index++; + } + + if (options.toRegex === true) { + return step > 1 + ? toSequence(parts, options) + : toRegex(range, null, { wrap: false, ...options }); + } + + return range; +}; + +const fillLetters = (start, end, step = 1, options = {}) => { + if ((!isNumber$2(start) && start.length > 1) || (!isNumber$2(end) && end.length > 1)) { + return invalidRange(start, end, options); + } + + + let format = options.transform || (val => String.fromCharCode(val)); + let a = `${start}`.charCodeAt(0); + let b = `${end}`.charCodeAt(0); + + let descending = a > b; + let min = Math.min(a, b); + let max = Math.max(a, b); + + if (options.toRegex && step === 1) { + return toRange(min, max, false, options); + } + + let range = []; + let index = 0; + + while (descending ? a >= b : a <= b) { + range.push(format(a, index)); + a = descending ? a - step : a + step; + index++; + } + + if (options.toRegex === true) { + return toRegex(range, null, { wrap: false, options }); + } + + return range; +}; + +const fill = (start, end, step, options = {}) => { + if (end == null && isValidValue(start)) { + return [start]; + } + + if (!isValidValue(start) || !isValidValue(end)) { + return invalidRange(start, end, options); + } + + if (typeof step === 'function') { + return fill(start, end, 1, { transform: step }); + } + + if (isObject$3(step)) { + return fill(start, end, 0, step); + } + + let opts = { ...options }; + if (opts.capture === true) opts.wrap = true; + step = step || opts.step || 1; + + if (!isNumber$2(step)) { + if (step != null && !isObject$3(step)) return invalidStep(step, opts); + return fill(start, end, 1, step); + } + + if (isNumber$2(start) && isNumber$2(end)) { + return fillNumbers(start, end, step, opts); + } + + return fillLetters(start, end, Math.max(Math.abs(step), 1), opts); +}; + +var fillRange = fill; + +const compile$2 = (ast, options = {}) => { + let walk = (node, parent = {}) => { + let invalidBlock = utils$2.isInvalidBrace(parent); + let invalidNode = node.invalid === true && options.escapeInvalid === true; + let invalid = invalidBlock === true || invalidNode === true; + let prefix = options.escapeInvalid === true ? '\\' : ''; + let output = ''; + + if (node.isOpen === true) { + return prefix + node.value; + } + if (node.isClose === true) { + return prefix + node.value; + } + + if (node.type === 'open') { + return invalid ? (prefix + node.value) : '('; + } + + if (node.type === 'close') { + return invalid ? (prefix + node.value) : ')'; + } + + if (node.type === 'comma') { + return node.prev.type === 'comma' ? '' : (invalid ? node.value : '|'); + } + + if (node.value) { + return node.value; + } + + if (node.nodes && node.ranges > 0) { + let args = utils$2.reduce(node.nodes); + let range = fillRange(...args, { ...options, wrap: false, toRegex: true }); + + if (range.length !== 0) { + return args.length > 1 && range.length > 1 ? `(${range})` : range; + } + } + + if (node.nodes) { + for (let child of node.nodes) { + output += walk(child, node); + } + } + return output; + }; + + return walk(ast); +}; + +var compile_1 = compile$2; + +const append = (queue = '', stash = '', enclose = false) => { + let result = []; + + queue = [].concat(queue); + stash = [].concat(stash); + + if (!stash.length) return queue; + if (!queue.length) { + return enclose ? utils$2.flatten(stash).map(ele => `{${ele}}`) : stash; + } + + for (let item of queue) { + if (Array.isArray(item)) { + for (let value of item) { + result.push(append(value, stash, enclose)); + } + } else { + for (let ele of stash) { + if (enclose === true && typeof ele === 'string') ele = `{${ele}}`; + result.push(Array.isArray(ele) ? append(item, ele, enclose) : (item + ele)); + } + } + } + return utils$2.flatten(result); +}; + +const expand$2 = (ast, options = {}) => { + let rangeLimit = options.rangeLimit === void 0 ? 1000 : options.rangeLimit; + + let walk = (node, parent = {}) => { + node.queue = []; + + let p = parent; + let q = parent.queue; + + while (p.type !== 'brace' && p.type !== 'root' && p.parent) { + p = p.parent; + q = p.queue; + } + + if (node.invalid || node.dollar) { + q.push(append(q.pop(), stringify$3(node, options))); + return; + } + + if (node.type === 'brace' && node.invalid !== true && node.nodes.length === 2) { + q.push(append(q.pop(), ['{}'])); + return; + } + + if (node.nodes && node.ranges > 0) { + let args = utils$2.reduce(node.nodes); + + if (utils$2.exceedsLimit(...args, options.step, rangeLimit)) { + throw new RangeError('expanded array length exceeds range limit. Use options.rangeLimit to increase or disable the limit.'); + } + + let range = fillRange(...args, options); + if (range.length === 0) { + range = stringify$3(node, options); + } + + q.push(append(q.pop(), range)); + node.nodes = []; + return; + } + + let enclose = utils$2.encloseBrace(node); + let queue = node.queue; + let block = node; + + while (block.type !== 'brace' && block.type !== 'root' && block.parent) { + block = block.parent; + queue = block.queue; + } + + for (let i = 0; i < node.nodes.length; i++) { + let child = node.nodes[i]; + + if (child.type === 'comma' && node.type === 'brace') { + if (i === 1) queue.push(''); + queue.push(''); + continue; + } + + if (child.type === 'close') { + q.push(append(q.pop(), queue, enclose)); + continue; + } + + if (child.value && child.type !== 'open') { + queue.push(append(queue.pop(), child.value)); + continue; + } + + if (child.nodes) { + walk(child, node); + } + } + + return queue; + }; + + return utils$2.flatten(walk(ast)); +}; + +var expand_1 = expand$2; + +var constants$1 = { + MAX_LENGTH: 1024 * 64, + + // Digits + CHAR_0: '0', /* 0 */ + CHAR_9: '9', /* 9 */ + + // Alphabet chars. + CHAR_UPPERCASE_A: 'A', /* A */ + CHAR_LOWERCASE_A: 'a', /* a */ + CHAR_UPPERCASE_Z: 'Z', /* Z */ + CHAR_LOWERCASE_Z: 'z', /* z */ + + CHAR_LEFT_PARENTHESES: '(', /* ( */ + CHAR_RIGHT_PARENTHESES: ')', /* ) */ + + CHAR_ASTERISK: '*', /* * */ + + // Non-alphabetic chars. + CHAR_AMPERSAND: '&', /* & */ + CHAR_AT: '@', /* @ */ + CHAR_BACKSLASH: '\\', /* \ */ + CHAR_BACKTICK: '`', /* ` */ + CHAR_CARRIAGE_RETURN: '\r', /* \r */ + CHAR_CIRCUMFLEX_ACCENT: '^', /* ^ */ + CHAR_COLON: ':', /* : */ + CHAR_COMMA: ',', /* , */ + CHAR_DOLLAR: '$', /* . */ + CHAR_DOT: '.', /* . */ + CHAR_DOUBLE_QUOTE: '"', /* " */ + CHAR_EQUAL: '=', /* = */ + CHAR_EXCLAMATION_MARK: '!', /* ! */ + CHAR_FORM_FEED: '\f', /* \f */ + CHAR_FORWARD_SLASH: '/', /* / */ + CHAR_HASH: '#', /* # */ + CHAR_HYPHEN_MINUS: '-', /* - */ + CHAR_LEFT_ANGLE_BRACKET: '<', /* < */ + CHAR_LEFT_CURLY_BRACE: '{', /* { */ + CHAR_LEFT_SQUARE_BRACKET: '[', /* [ */ + CHAR_LINE_FEED: '\n', /* \n */ + CHAR_NO_BREAK_SPACE: '\u00A0', /* \u00A0 */ + CHAR_PERCENT: '%', /* % */ + CHAR_PLUS: '+', /* + */ + CHAR_QUESTION_MARK: '?', /* ? */ + CHAR_RIGHT_ANGLE_BRACKET: '>', /* > */ + CHAR_RIGHT_CURLY_BRACE: '}', /* } */ + CHAR_RIGHT_SQUARE_BRACKET: ']', /* ] */ + CHAR_SEMICOLON: ';', /* ; */ + CHAR_SINGLE_QUOTE: '\'', /* ' */ + CHAR_SPACE: ' ', /* */ + CHAR_TAB: '\t', /* \t */ + CHAR_UNDERSCORE: '_', /* _ */ + CHAR_VERTICAL_LINE: '|', /* | */ + CHAR_ZERO_WIDTH_NOBREAK_SPACE: '\uFEFF' /* \uFEFF */ +}; + +/** + * Constants + */ + +const { + MAX_LENGTH: MAX_LENGTH$1, + CHAR_BACKSLASH, /* \ */ + CHAR_BACKTICK, /* ` */ + CHAR_COMMA: CHAR_COMMA$2, /* , */ + CHAR_DOT: CHAR_DOT$1, /* . */ + CHAR_LEFT_PARENTHESES: CHAR_LEFT_PARENTHESES$1, /* ( */ + CHAR_RIGHT_PARENTHESES: CHAR_RIGHT_PARENTHESES$1, /* ) */ + CHAR_LEFT_CURLY_BRACE: CHAR_LEFT_CURLY_BRACE$1, /* { */ + CHAR_RIGHT_CURLY_BRACE: CHAR_RIGHT_CURLY_BRACE$1, /* } */ + CHAR_LEFT_SQUARE_BRACKET: CHAR_LEFT_SQUARE_BRACKET$2, /* [ */ + CHAR_RIGHT_SQUARE_BRACKET: CHAR_RIGHT_SQUARE_BRACKET$2, /* ] */ + CHAR_DOUBLE_QUOTE: CHAR_DOUBLE_QUOTE$1, /* " */ + CHAR_SINGLE_QUOTE: CHAR_SINGLE_QUOTE$1, /* ' */ + CHAR_NO_BREAK_SPACE, + CHAR_ZERO_WIDTH_NOBREAK_SPACE +} = constants$1; + +/** + * parse + */ + +const parse$6 = (input, options = {}) => { + if (typeof input !== 'string') { + throw new TypeError('Expected a string'); + } + + let opts = options || {}; + let max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH$1, opts.maxLength) : MAX_LENGTH$1; + if (input.length > max) { + throw new SyntaxError(`Input length (${input.length}), exceeds max characters (${max})`); + } + + let ast = { type: 'root', input, nodes: [] }; + let stack = [ast]; + let block = ast; + let prev = ast; + let brackets = 0; + let length = input.length; + let index = 0; + let depth = 0; + let value; + + /** + * Helpers + */ + + const advance = () => input[index++]; + const push = node => { + if (node.type === 'text' && prev.type === 'dot') { + prev.type = 'text'; + } + + if (prev && prev.type === 'text' && node.type === 'text') { + prev.value += node.value; + return; + } + + block.nodes.push(node); + node.parent = block; + node.prev = prev; + prev = node; + return node; + }; + + push({ type: 'bos' }); + + while (index < length) { + block = stack[stack.length - 1]; + value = advance(); + + /** + * Invalid chars + */ + + if (value === CHAR_ZERO_WIDTH_NOBREAK_SPACE || value === CHAR_NO_BREAK_SPACE) { + continue; + } + + /** + * Escaped chars + */ + + if (value === CHAR_BACKSLASH) { + push({ type: 'text', value: (options.keepEscaping ? value : '') + advance() }); + continue; + } + + /** + * Right square bracket (literal): ']' + */ + + if (value === CHAR_RIGHT_SQUARE_BRACKET$2) { + push({ type: 'text', value: '\\' + value }); + continue; + } + + /** + * Left square bracket: '[' + */ + + if (value === CHAR_LEFT_SQUARE_BRACKET$2) { + brackets++; + let next; + + while (index < length && (next = advance())) { + value += next; + + if (next === CHAR_LEFT_SQUARE_BRACKET$2) { + brackets++; + continue; + } + + if (next === CHAR_BACKSLASH) { + value += advance(); + continue; + } + + if (next === CHAR_RIGHT_SQUARE_BRACKET$2) { + brackets--; + + if (brackets === 0) { + break; + } + } + } + + push({ type: 'text', value }); + continue; + } + + /** + * Parentheses + */ + + if (value === CHAR_LEFT_PARENTHESES$1) { + block = push({ type: 'paren', nodes: [] }); + stack.push(block); + push({ type: 'text', value }); + continue; + } + + if (value === CHAR_RIGHT_PARENTHESES$1) { + if (block.type !== 'paren') { + push({ type: 'text', value }); + continue; + } + block = stack.pop(); + push({ type: 'text', value }); + block = stack[stack.length - 1]; + continue; + } + + /** + * Quotes: '|"|` + */ + + if (value === CHAR_DOUBLE_QUOTE$1 || value === CHAR_SINGLE_QUOTE$1 || value === CHAR_BACKTICK) { + let open = value; + let next; + + if (options.keepQuotes !== true) { + value = ''; + } + + while (index < length && (next = advance())) { + if (next === CHAR_BACKSLASH) { + value += next + advance(); + continue; + } + + if (next === open) { + if (options.keepQuotes === true) value += next; + break; + } + + value += next; + } + + push({ type: 'text', value }); + continue; + } + + /** + * Left curly brace: '{' + */ + + if (value === CHAR_LEFT_CURLY_BRACE$1) { + depth++; + + let dollar = prev.value && prev.value.slice(-1) === '$' || block.dollar === true; + let brace = { + type: 'brace', + open: true, + close: false, + dollar, + depth, + commas: 0, + ranges: 0, + nodes: [] + }; + + block = push(brace); + stack.push(block); + push({ type: 'open', value }); + continue; + } + + /** + * Right curly brace: '}' + */ + + if (value === CHAR_RIGHT_CURLY_BRACE$1) { + if (block.type !== 'brace') { + push({ type: 'text', value }); + continue; + } + + let type = 'close'; + block = stack.pop(); + block.close = true; + + push({ type, value }); + depth--; + + block = stack[stack.length - 1]; + continue; + } + + /** + * Comma: ',' + */ + + if (value === CHAR_COMMA$2 && depth > 0) { + if (block.ranges > 0) { + block.ranges = 0; + let open = block.nodes.shift(); + block.nodes = [open, { type: 'text', value: stringify$3(block) }]; + } + + push({ type: 'comma', value }); + block.commas++; + continue; + } + + /** + * Dot: '.' + */ + + if (value === CHAR_DOT$1 && depth > 0 && block.commas === 0) { + let siblings = block.nodes; + + if (depth === 0 || siblings.length === 0) { + push({ type: 'text', value }); + continue; + } + + if (prev.type === 'dot') { + block.range = []; + prev.value += value; + prev.type = 'range'; + + if (block.nodes.length !== 3 && block.nodes.length !== 5) { + block.invalid = true; + block.ranges = 0; + prev.type = 'text'; + continue; + } + + block.ranges++; + block.args = []; + continue; + } + + if (prev.type === 'range') { + siblings.pop(); + + let before = siblings[siblings.length - 1]; + before.value += prev.value + value; + prev = before; + block.ranges--; + continue; + } + + push({ type: 'dot', value }); + continue; + } + + /** + * Text + */ + + push({ type: 'text', value }); + } + + // Mark imbalanced braces and brackets as invalid + do { + block = stack.pop(); + + if (block.type !== 'root') { + block.nodes.forEach(node => { + if (!node.nodes) { + if (node.type === 'open') node.isOpen = true; + if (node.type === 'close') node.isClose = true; + if (!node.nodes) node.type = 'text'; + node.invalid = true; + } + }); + + // get the location of the block on parent.nodes (block's siblings) + let parent = stack[stack.length - 1]; + let index = parent.nodes.indexOf(block); + // replace the (invalid) block with it's nodes + parent.nodes.splice(index, 1, ...block.nodes); + } + } while (stack.length > 0); + + push({ type: 'eos' }); + return ast; +}; + +var parse_1$2 = parse$6; + +/** + * Expand the given pattern or create a regex-compatible string. + * + * ```js + * const braces = require('braces'); + * console.log(braces('{a,b,c}', { compile: true })); //=> ['(a|b|c)'] + * console.log(braces('{a,b,c}')); //=> ['a', 'b', 'c'] + * ``` + * @param {String} `str` + * @param {Object} `options` + * @return {String} + * @api public + */ + +const braces = (input, options = {}) => { + let output = []; + + if (Array.isArray(input)) { + for (let pattern of input) { + let result = braces.create(pattern, options); + if (Array.isArray(result)) { + output.push(...result); + } else { + output.push(result); + } + } + } else { + output = [].concat(braces.create(input, options)); + } + + if (options && options.expand === true && options.nodupes === true) { + output = [...new Set(output)]; + } + return output; +}; + +/** + * Parse the given `str` with the given `options`. + * + * ```js + * // braces.parse(pattern, [, options]); + * const ast = braces.parse('a/{b,c}/d'); + * console.log(ast); + * ``` + * @param {String} pattern Brace pattern to parse + * @param {Object} options + * @return {Object} Returns an AST + * @api public + */ + +braces.parse = (input, options = {}) => parse_1$2(input, options); + +/** + * Creates a braces string from an AST, or an AST node. + * + * ```js + * const braces = require('braces'); + * let ast = braces.parse('foo/{a,b}/bar'); + * console.log(stringify(ast.nodes[2])); //=> '{a,b}' + * ``` + * @param {String} `input` Brace pattern or AST. + * @param {Object} `options` + * @return {Array} Returns an array of expanded values. + * @api public + */ + +braces.stringify = (input, options = {}) => { + if (typeof input === 'string') { + return stringify$3(braces.parse(input, options), options); + } + return stringify$3(input, options); +}; + +/** + * Compiles a brace pattern into a regex-compatible, optimized string. + * This method is called by the main [braces](#braces) function by default. + * + * ```js + * const braces = require('braces'); + * console.log(braces.compile('a/{b,c}/d')); + * //=> ['a/(b|c)/d'] + * ``` + * @param {String} `input` Brace pattern or AST. + * @param {Object} `options` + * @return {Array} Returns an array of expanded values. + * @api public + */ + +braces.compile = (input, options = {}) => { + if (typeof input === 'string') { + input = braces.parse(input, options); + } + return compile_1(input, options); +}; + +/** + * Expands a brace pattern into an array. This method is called by the + * main [braces](#braces) function when `options.expand` is true. Before + * using this method it's recommended that you read the [performance notes](#performance)) + * and advantages of using [.compile](#compile) instead. + * + * ```js + * const braces = require('braces'); + * console.log(braces.expand('a/{b,c}/d')); + * //=> ['a/b/d', 'a/c/d']; + * ``` + * @param {String} `pattern` Brace pattern + * @param {Object} `options` + * @return {Array} Returns an array of expanded values. + * @api public + */ + +braces.expand = (input, options = {}) => { + if (typeof input === 'string') { + input = braces.parse(input, options); + } + + let result = expand_1(input, options); + + // filter out empty strings if specified + if (options.noempty === true) { + result = result.filter(Boolean); + } + + // filter out duplicates if specified + if (options.nodupes === true) { + result = [...new Set(result)]; + } + + return result; +}; + +/** + * Processes a brace pattern and returns either an expanded array + * (if `options.expand` is true), a highly optimized regex-compatible string. + * This method is called by the main [braces](#braces) function. + * + * ```js + * const braces = require('braces'); + * console.log(braces.create('user-{200..300}/project-{a,b,c}-{1..10}')) + * //=> 'user-(20[0-9]|2[1-9][0-9]|300)/project-(a|b|c)-([1-9]|10)' + * ``` + * @param {String} `pattern` Brace pattern + * @param {Object} `options` + * @return {Array} Returns an array of expanded values. + * @api public + */ + +braces.create = (input, options = {}) => { + if (input === '' || input.length < 3) { + return [input]; + } + + return options.expand !== true + ? braces.compile(input, options) + : braces.expand(input, options); +}; + +/** + * Expose "braces" + */ + +var braces_1 = braces; + +var binaryExtensions = [ + "3dm", + "3ds", + "3g2", + "3gp", + "7z", + "a", + "aac", + "adp", + "ai", + "aif", + "aiff", + "alz", + "ape", + "apk", + "ar", + "arj", + "asf", + "au", + "avi", + "bak", + "baml", + "bh", + "bin", + "bk", + "bmp", + "btif", + "bz2", + "bzip2", + "cab", + "caf", + "cgm", + "class", + "cmx", + "cpio", + "cr2", + "cur", + "dat", + "dcm", + "deb", + "dex", + "djvu", + "dll", + "dmg", + "dng", + "doc", + "docm", + "docx", + "dot", + "dotm", + "dra", + "DS_Store", + "dsk", + "dts", + "dtshd", + "dvb", + "dwg", + "dxf", + "ecelp4800", + "ecelp7470", + "ecelp9600", + "egg", + "eol", + "eot", + "epub", + "exe", + "f4v", + "fbs", + "fh", + "fla", + "flac", + "fli", + "flv", + "fpx", + "fst", + "fvt", + "g3", + "gh", + "gif", + "graffle", + "gz", + "gzip", + "h261", + "h263", + "h264", + "icns", + "ico", + "ief", + "img", + "ipa", + "iso", + "jar", + "jpeg", + "jpg", + "jpgv", + "jpm", + "jxr", + "key", + "ktx", + "lha", + "lib", + "lvp", + "lz", + "lzh", + "lzma", + "lzo", + "m3u", + "m4a", + "m4v", + "mar", + "mdi", + "mht", + "mid", + "midi", + "mj2", + "mka", + "mkv", + "mmr", + "mng", + "mobi", + "mov", + "movie", + "mp3", + "mp4", + "mp4a", + "mpeg", + "mpg", + "mpga", + "mxu", + "nef", + "npx", + "numbers", + "nupkg", + "o", + "oga", + "ogg", + "ogv", + "otf", + "pages", + "pbm", + "pcx", + "pdb", + "pdf", + "pea", + "pgm", + "pic", + "png", + "pnm", + "pot", + "potm", + "potx", + "ppa", + "ppam", + "ppm", + "pps", + "ppsm", + "ppsx", + "ppt", + "pptm", + "pptx", + "psd", + "pya", + "pyc", + "pyo", + "pyv", + "qt", + "rar", + "ras", + "raw", + "resources", + "rgb", + "rip", + "rlc", + "rmf", + "rmvb", + "rtf", + "rz", + "s3m", + "s7z", + "scpt", + "sgi", + "shar", + "sil", + "sketch", + "slk", + "smv", + "snk", + "so", + "stl", + "suo", + "sub", + "swf", + "tar", + "tbz", + "tbz2", + "tga", + "tgz", + "thmx", + "tif", + "tiff", + "tlz", + "ttc", + "ttf", + "txz", + "udf", + "uvh", + "uvi", + "uvm", + "uvp", + "uvs", + "uvu", + "viv", + "vob", + "war", + "wav", + "wax", + "wbmp", + "wdp", + "weba", + "webm", + "webp", + "whl", + "wim", + "wm", + "wma", + "wmv", + "wmx", + "woff", + "woff2", + "wrm", + "wvx", + "xbm", + "xif", + "xla", + "xlam", + "xls", + "xlsb", + "xlsm", + "xlsx", + "xlt", + "xltm", + "xltx", + "xm", + "xmind", + "xpi", + "xpm", + "xwd", + "xz", + "z", + "zip", + "zipx" +]; + +var binaryExtensions$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': binaryExtensions +}); + +var require$$0 = getCjsExportFromNamespace(binaryExtensions$1); + +var binaryExtensions$2 = require$$0; + +const extensions = new Set(binaryExtensions$2); + +var isBinaryPath = filePath => extensions.has(path$1.extname(filePath).slice(1).toLowerCase()); + +var constants$2 = createCommonjsModule(function (module, exports) { + +const {sep} = path$1; +const {platform} = process; + +exports.EV_ALL = 'all'; +exports.EV_READY = 'ready'; +exports.EV_ADD = 'add'; +exports.EV_CHANGE = 'change'; +exports.EV_ADD_DIR = 'addDir'; +exports.EV_UNLINK = 'unlink'; +exports.EV_UNLINK_DIR = 'unlinkDir'; +exports.EV_RAW = 'raw'; +exports.EV_ERROR = 'error'; + +exports.STR_DATA = 'data'; +exports.STR_END = 'end'; +exports.STR_CLOSE = 'close'; + +exports.FSEVENT_CREATED = 'created'; +exports.FSEVENT_MODIFIED = 'modified'; +exports.FSEVENT_DELETED = 'deleted'; +exports.FSEVENT_MOVED = 'moved'; +exports.FSEVENT_CLONED = 'cloned'; +exports.FSEVENT_UNKNOWN = 'unknown'; +exports.FSEVENT_TYPE_DIRECTORY = 'directory'; +exports.FSEVENT_TYPE_SYMLINK = 'symlink'; + +exports.KEY_LISTENERS = 'listeners'; +exports.KEY_ERR = 'errHandlers'; +exports.KEY_RAW = 'rawEmitters'; +exports.HANDLER_KEYS = [exports.KEY_LISTENERS, exports.KEY_ERR, exports.KEY_RAW]; + +exports.DOT_SLASH = `.${sep}`; + +exports.BACK_SLASH_RE = /\\/g; +exports.DOUBLE_SLASH_RE = /\/\//; +exports.SLASH_OR_BACK_SLASH_RE = /[/\\]/; +exports.DOT_RE = /\..*\.(sw[px])$|~$|\.subl.*\.tmp/; +exports.REPLACER_RE = /^\.[/\\]/; + +exports.SLASH = '/'; +exports.BRACE_START = '{'; +exports.BANG = '!'; +exports.ONE_DOT = '.'; +exports.TWO_DOTS = '..'; +exports.STAR = '*'; +exports.GLOBSTAR = '**'; +exports.ROOT_GLOBSTAR = '/**/*'; +exports.SLASH_GLOBSTAR = '/**'; +exports.DIR_SUFFIX = 'Dir'; +exports.ANYMATCH_OPTS = {dot: true}; +exports.STRING_TYPE = 'string'; +exports.FUNCTION_TYPE = 'function'; +exports.EMPTY_STR = ''; +exports.EMPTY_FN = () => {}; +exports.IDENTITY_FN = val => val; + +exports.isWindows = platform === 'win32'; +exports.isMacos = platform === 'darwin'; +}); +var constants_1 = constants$2.EV_ALL; +var constants_2 = constants$2.EV_READY; +var constants_3 = constants$2.EV_ADD; +var constants_4 = constants$2.EV_CHANGE; +var constants_5 = constants$2.EV_ADD_DIR; +var constants_6 = constants$2.EV_UNLINK; +var constants_7 = constants$2.EV_UNLINK_DIR; +var constants_8 = constants$2.EV_RAW; +var constants_9 = constants$2.EV_ERROR; +var constants_10 = constants$2.STR_DATA; +var constants_11 = constants$2.STR_END; +var constants_12 = constants$2.STR_CLOSE; +var constants_13 = constants$2.FSEVENT_CREATED; +var constants_14 = constants$2.FSEVENT_MODIFIED; +var constants_15 = constants$2.FSEVENT_DELETED; +var constants_16 = constants$2.FSEVENT_MOVED; +var constants_17 = constants$2.FSEVENT_CLONED; +var constants_18 = constants$2.FSEVENT_UNKNOWN; +var constants_19 = constants$2.FSEVENT_TYPE_DIRECTORY; +var constants_20 = constants$2.FSEVENT_TYPE_SYMLINK; +var constants_21 = constants$2.KEY_LISTENERS; +var constants_22 = constants$2.KEY_ERR; +var constants_23 = constants$2.KEY_RAW; +var constants_24 = constants$2.HANDLER_KEYS; +var constants_25 = constants$2.DOT_SLASH; +var constants_26 = constants$2.BACK_SLASH_RE; +var constants_27 = constants$2.DOUBLE_SLASH_RE; +var constants_28 = constants$2.SLASH_OR_BACK_SLASH_RE; +var constants_29 = constants$2.DOT_RE; +var constants_30 = constants$2.REPLACER_RE; +var constants_31 = constants$2.SLASH; +var constants_32 = constants$2.BRACE_START; +var constants_33 = constants$2.BANG; +var constants_34 = constants$2.ONE_DOT; +var constants_35 = constants$2.TWO_DOTS; +var constants_36 = constants$2.STAR; +var constants_37 = constants$2.GLOBSTAR; +var constants_38 = constants$2.ROOT_GLOBSTAR; +var constants_39 = constants$2.SLASH_GLOBSTAR; +var constants_40 = constants$2.DIR_SUFFIX; +var constants_41 = constants$2.ANYMATCH_OPTS; +var constants_42 = constants$2.STRING_TYPE; +var constants_43 = constants$2.FUNCTION_TYPE; +var constants_44 = constants$2.EMPTY_STR; +var constants_45 = constants$2.EMPTY_FN; +var constants_46 = constants$2.IDENTITY_FN; +var constants_47 = constants$2.isWindows; +var constants_48 = constants$2.isMacos; + +const { promisify: promisify$1 } = util$1; + +const { + isWindows: isWindows$1, + EMPTY_FN, + EMPTY_STR, + KEY_LISTENERS, + KEY_ERR, + KEY_RAW, + HANDLER_KEYS, + EV_CHANGE, + EV_ADD, + EV_ADD_DIR, + EV_ERROR, + STR_DATA, + STR_END, + BRACE_START, + STAR: STAR$1 +} = constants$2; + +const THROTTLE_MODE_WATCH = 'watch'; + +const open = promisify$1(fs$1.open); +const stat$3 = promisify$1(fs$1.stat); +const lstat$1 = promisify$1(fs$1.lstat); +const close = promisify$1(fs$1.close); +const fsrealpath = promisify$1(fs$1.realpath); + +const statMethods = { lstat: lstat$1, stat: stat$3 }; + +// TODO: emit errors properly. Example: EMFILE on Macos. +const foreach = (val, fn) => { + if (val instanceof Set) { + val.forEach(fn); + } else { + fn(val); + } +}; + +const addAndConvert = (main, prop, item) => { + let container = main[prop]; + if (!(container instanceof Set)) { + main[prop] = container = new Set([container]); + } + container.add(item); +}; + +const clearItem = cont => key => { + const set = cont[key]; + if (set instanceof Set) { + set.clear(); + } else { + delete cont[key]; + } +}; + +const delFromSet = (main, prop, item) => { + const container = main[prop]; + if (container instanceof Set) { + container.delete(item); + } else if (container === item) { + delete main[prop]; + } +}; + +const isEmptySet = (val) => val instanceof Set ? val.size === 0 : !val; + +/** + * @typedef {String} Path + */ + +// fs_watch helpers + +// object to hold per-process fs_watch instances +// (may be shared across chokidar FSWatcher instances) + +/** + * @typedef {Object} FsWatchContainer + * @property {Set} listeners + * @property {Set} errHandlers + * @property {Set} rawEmitters + * @property {fs.FSWatcher=} watcher + * @property {Boolean=} watcherUnusable + */ + +/** + * @type {Map} + */ +const FsWatchInstances = new Map(); + +/** + * Instantiates the fs_watch interface + * @param {String} path to be watched + * @param {Object} options to be passed to fs_watch + * @param {Function} listener main event handler + * @param {Function} errHandler emits info about errors + * @param {Function} emitRaw emits raw event data + * @returns {fs.FSWatcher} new fsevents instance + */ +function createFsWatchInstance(path, options, listener, errHandler, emitRaw) { + const handleEvent = (rawEvent, evPath) => { + listener(path); + emitRaw(rawEvent, evPath, {watchedPath: path}); + + // emit based on events occurring for files from a directory's watcher in + // case the file's watcher misses it (and rely on throttling to de-dupe) + if (evPath && path !== evPath) { + fsWatchBroadcast( + path$1.resolve(path, evPath), KEY_LISTENERS, path$1.join(path, evPath) + ); + } + }; + try { + return fs$1.watch(path, options, handleEvent); + } catch (error) { + errHandler(error); + } +} + +/** + * Helper for passing fs_watch event data to a collection of listeners + * @param {Path} fullPath absolute path bound to fs_watch instance + * @param {String} type listener type + * @param {*=} val1 arguments to be passed to listeners + * @param {*=} val2 + * @param {*=} val3 + */ +const fsWatchBroadcast = (fullPath, type, val1, val2, val3) => { + const cont = FsWatchInstances.get(fullPath); + if (!cont) return; + foreach(cont[type], (listener) => { + listener(val1, val2, val3); + }); +}; + +/** + * Instantiates the fs_watch interface or binds listeners + * to an existing one covering the same file system entry + * @param {String} path + * @param {String} fullPath absolute path + * @param {Object} options to be passed to fs_watch + * @param {Object} handlers container for event listener functions + */ +const setFsWatchListener = (path, fullPath, options, handlers) => { + const {listener, errHandler, rawEmitter} = handlers; + let cont = FsWatchInstances.get(fullPath); + + /** @type {fs.FSWatcher=} */ + let watcher; + if (!options.persistent) { + watcher = createFsWatchInstance( + path, options, listener, errHandler, rawEmitter + ); + return watcher.close.bind(watcher); + } + if (cont) { + addAndConvert(cont, KEY_LISTENERS, listener); + addAndConvert(cont, KEY_ERR, errHandler); + addAndConvert(cont, KEY_RAW, rawEmitter); + } else { + watcher = createFsWatchInstance( + path, + options, + fsWatchBroadcast.bind(null, fullPath, KEY_LISTENERS), + errHandler, // no need to use broadcast here + fsWatchBroadcast.bind(null, fullPath, KEY_RAW) + ); + if (!watcher) return; + watcher.on(EV_ERROR, async (error) => { + const broadcastErr = fsWatchBroadcast.bind(null, fullPath, KEY_ERR); + cont.watcherUnusable = true; // documented since Node 10.4.1 + // Workaround for https://github.com/joyent/node/issues/4337 + if (isWindows$1 && error.code === 'EPERM') { + try { + const fd = await open(path, 'r'); + await close(fd); + broadcastErr(error); + } catch (err) {} + } else { + broadcastErr(error); + } + }); + cont = { + listeners: listener, + errHandlers: errHandler, + rawEmitters: rawEmitter, + watcher + }; + FsWatchInstances.set(fullPath, cont); + } + // const index = cont.listeners.indexOf(listener); + + // removes this instance's listeners and closes the underlying fs_watch + // instance if there are no more listeners left + return () => { + delFromSet(cont, KEY_LISTENERS, listener); + delFromSet(cont, KEY_ERR, errHandler); + delFromSet(cont, KEY_RAW, rawEmitter); + if (isEmptySet(cont.listeners)) { + // Check to protect against issue gh-730. + // if (cont.watcherUnusable) { + cont.watcher.close(); + // } + FsWatchInstances.delete(fullPath); + HANDLER_KEYS.forEach(clearItem(cont)); + cont.watcher = undefined; + Object.freeze(cont); + } + }; +}; + +// fs_watchFile helpers + +// object to hold per-process fs_watchFile instances +// (may be shared across chokidar FSWatcher instances) +const FsWatchFileInstances = new Map(); + +/** + * Instantiates the fs_watchFile interface or binds listeners + * to an existing one covering the same file system entry + * @param {String} path to be watched + * @param {String} fullPath absolute path + * @param {Object} options options to be passed to fs_watchFile + * @param {Object} handlers container for event listener functions + * @returns {Function} closer + */ +const setFsWatchFileListener = (path, fullPath, options, handlers) => { + const {listener, rawEmitter} = handlers; + let cont = FsWatchFileInstances.get(fullPath); + + /* eslint-disable no-unused-vars, prefer-destructuring */ + let listeners = new Set(); + let rawEmitters = new Set(); + + const copts = cont && cont.options; + if (copts && (copts.persistent < options.persistent || copts.interval > options.interval)) { + // "Upgrade" the watcher to persistence or a quicker interval. + // This creates some unlikely edge case issues if the user mixes + // settings in a very weird way, but solving for those cases + // doesn't seem worthwhile for the added complexity. + listeners = cont.listeners; + rawEmitters = cont.rawEmitters; + fs$1.unwatchFile(fullPath); + cont = undefined; + } + + /* eslint-enable no-unused-vars, prefer-destructuring */ + + if (cont) { + addAndConvert(cont, KEY_LISTENERS, listener); + addAndConvert(cont, KEY_RAW, rawEmitter); + } else { + // TODO + // listeners.add(listener); + // rawEmitters.add(rawEmitter); + cont = { + listeners: listener, + rawEmitters: rawEmitter, + options, + watcher: fs$1.watchFile(fullPath, options, (curr, prev) => { + foreach(cont.rawEmitters, (rawEmitter) => { + rawEmitter(EV_CHANGE, fullPath, {curr, prev}); + }); + const currmtime = curr.mtimeMs; + if (curr.size !== prev.size || currmtime > prev.mtimeMs || currmtime === 0) { + foreach(cont.listeners, (listener) => listener(path, curr)); + } + }) + }; + FsWatchFileInstances.set(fullPath, cont); + } + // const index = cont.listeners.indexOf(listener); + + // Removes this instance's listeners and closes the underlying fs_watchFile + // instance if there are no more listeners left. + return () => { + delFromSet(cont, KEY_LISTENERS, listener); + delFromSet(cont, KEY_RAW, rawEmitter); + if (isEmptySet(cont.listeners)) { + FsWatchFileInstances.delete(fullPath); + fs$1.unwatchFile(fullPath); + cont.options = cont.watcher = undefined; + Object.freeze(cont); + } + }; +}; + +/** + * @mixin + */ +class NodeFsHandler { + +/** + * @param {import("../index").FSWatcher} fsW + */ +constructor(fsW) { + this.fsw = fsW; + this._boundHandleError = (error) => fsW._handleError(error); +} + +/** + * Watch file for changes with fs_watchFile or fs_watch. + * @param {String} path to file or dir + * @param {Function} listener on fs change + * @returns {Function} closer for the watcher instance + */ +_watchWithNodeFs(path, listener) { + const opts = this.fsw.options; + const directory = path$1.dirname(path); + const basename = path$1.basename(path); + const parent = this.fsw._getWatchedDir(directory); + parent.add(basename); + const absolutePath = path$1.resolve(path); + const options = {persistent: opts.persistent}; + if (!listener) listener = EMPTY_FN; + + let closer; + if (opts.usePolling) { + options.interval = opts.enableBinaryInterval && isBinaryPath(basename) ? + opts.binaryInterval : opts.interval; + closer = setFsWatchFileListener(path, absolutePath, options, { + listener, + rawEmitter: this.fsw._emitRaw + }); + } else { + closer = setFsWatchListener(path, absolutePath, options, { + listener, + errHandler: this._boundHandleError, + rawEmitter: this.fsw._emitRaw + }); + } + return closer; +} + +/** + * Watch a file and emit add event if warranted. + * @param {Path} file Path + * @param {fs.Stats} stats result of fs_stat + * @param {Boolean} initialAdd was the file added at watch instantiation? + * @returns {Function} closer for the watcher instance + */ +_handleFile(file, stats, initialAdd) { + if (this.fsw.closed) { + return; + } + const dirname = path$1.dirname(file); + const basename = path$1.basename(file); + const parent = this.fsw._getWatchedDir(dirname); + // stats is always present + let prevStats = stats; + + // if the file is already being watched, do nothing + if (parent.has(basename)) return; + + // kick off the watcher + const closer = this._watchWithNodeFs(file, async (path, newStats) => { + if (!this.fsw._throttle(THROTTLE_MODE_WATCH, file, 5)) return; + if (!newStats || newStats.mtimeMs === 0) { + try { + const newStats = await stat$3(file); + if (this.fsw.closed) return; + // Check that change event was not fired because of changed only accessTime. + const at = newStats.atimeMs; + const mt = newStats.mtimeMs; + if (!at || at <= mt || mt !== prevStats.mtimeMs) { + this.fsw._emit(EV_CHANGE, file, newStats); + } + prevStats = newStats; + } catch (error) { + // Fix issues where mtime is null but file is still present + this.fsw._remove(dirname, basename); + } + // add is about to be emitted if file not already tracked in parent + } else if (parent.has(basename)) { + // Check that change event was not fired because of changed only accessTime. + const at = newStats.atimeMs; + const mt = newStats.mtimeMs; + if (!at || at <= mt || mt !== prevStats.mtimeMs) { + this.fsw._emit(EV_CHANGE, file, newStats); + } + prevStats = newStats; + } + }); + + // emit an add event if we're supposed to + if (!(initialAdd && this.fsw.options.ignoreInitial) && this.fsw._isntIgnored(file)) { + if (!this.fsw._throttle(EV_ADD, file, 0)) return; + this.fsw._emit(EV_ADD, file, stats); + } + + return closer; +} + +/** + * Handle symlinks encountered while reading a dir. + * @param {Object} entry returned by readdirp + * @param {String} directory path of dir being read + * @param {String} path of this item + * @param {String} item basename of this item + * @returns {Promise} true if no more processing is needed for this entry. + */ +async _handleSymlink(entry, directory, path, item) { + if (this.fsw.closed) { + return; + } + const full = entry.fullPath; + const dir = this.fsw._getWatchedDir(directory); + + if (!this.fsw.options.followSymlinks) { + // watch symlink directly (don't follow) and detect changes + this.fsw._incrReadyCount(); + const linkPath = await fsrealpath(path); + if (this.fsw.closed) return; + if (dir.has(item)) { + if (this.fsw._symlinkPaths.get(full) !== linkPath) { + this.fsw._symlinkPaths.set(full, linkPath); + this.fsw._emit(EV_CHANGE, path, entry.stats); + } + } else { + dir.add(item); + this.fsw._symlinkPaths.set(full, linkPath); + this.fsw._emit(EV_ADD, path, entry.stats); + } + this.fsw._emitReady(); + return true; + } + + // don't follow the same symlink more than once + if (this.fsw._symlinkPaths.has(full)) { + return true; + } + + this.fsw._symlinkPaths.set(full, true); +} + +_handleRead(directory, initialAdd, wh, target, dir, depth, throttler) { + // Normalize the directory name on Windows + directory = path$1.join(directory, EMPTY_STR); + + if (!wh.hasGlob) { + throttler = this.fsw._throttle('readdir', directory, 1000); + if (!throttler) return; + } + + const previous = this.fsw._getWatchedDir(wh.path); + const current = new Set(); + + let stream = this.fsw._readdirp(directory, { + fileFilter: entry => wh.filterPath(entry), + directoryFilter: entry => wh.filterDir(entry), + depth: 0 + }).on(STR_DATA, async (entry) => { + if (this.fsw.closed) { + stream = undefined; + return; + } + const item = entry.path; + let path = path$1.join(directory, item); + current.add(item); + + if (entry.stats.isSymbolicLink() && await this._handleSymlink(entry, directory, path, item)) { + return; + } + + if (this.fsw.closed) { + stream = undefined; + return; + } + // Files that present in current directory snapshot + // but absent in previous are added to watch list and + // emit `add` event. + if (item === target || !target && !previous.has(item)) { + this.fsw._incrReadyCount(); + + // ensure relativeness of path is preserved in case of watcher reuse + path = path$1.join(dir, path$1.relative(dir, path)); + + this._addToNodeFs(path, initialAdd, wh, depth + 1); + } + }).on(EV_ERROR, this._boundHandleError); + + return new Promise(resolve => + stream.once(STR_END, () => { + if (this.fsw.closed) { + stream = undefined; + return; + } + const wasThrottled = throttler ? throttler.clear() : false; + + resolve(); + + // Files that absent in current directory snapshot + // but present in previous emit `remove` event + // and are removed from @watched[directory]. + previous.getChildren().filter((item) => { + return item !== directory && + !current.has(item) && + // in case of intersecting globs; + // a path may have been filtered out of this readdir, but + // shouldn't be removed because it matches a different glob + (!wh.hasGlob || wh.filterPath({ + fullPath: path$1.resolve(directory, item) + })); + }).forEach((item) => { + this.fsw._remove(directory, item); + }); + + stream = undefined; + + // one more time for any missed in case changes came in extremely quickly + if (wasThrottled) this._handleRead(directory, false, wh, target, dir, depth, throttler); + }) + ); +} + +/** + * Read directory to add / remove files from `@watched` list and re-read it on change. + * @param {String} dir fs path + * @param {fs.Stats} stats + * @param {Boolean} initialAdd + * @param {Number} depth relative to user-supplied path + * @param {String} target child path targeted for watch + * @param {Object} wh Common watch helpers for this path + * @param {String} realpath + * @returns {Promise} closer for the watcher instance. + */ +async _handleDir(dir, stats, initialAdd, depth, target, wh, realpath) { + const parentDir = this.fsw._getWatchedDir(path$1.dirname(dir)); + const tracked = parentDir.has(path$1.basename(dir)); + if (!(initialAdd && this.fsw.options.ignoreInitial) && !target && !tracked) { + if (!wh.hasGlob || wh.globFilter(dir)) this.fsw._emit(EV_ADD_DIR, dir, stats); + } + + // ensure dir is tracked (harmless if redundant) + parentDir.add(path$1.basename(dir)); + this.fsw._getWatchedDir(dir); + let throttler; + let closer; + + const oDepth = this.fsw.options.depth; + if ((oDepth == null || depth <= oDepth) && !this.fsw._symlinkPaths.has(realpath)) { + if (!target) { + await this._handleRead(dir, initialAdd, wh, target, dir, depth, throttler); + if (this.fsw.closed) return; + } + + closer = this._watchWithNodeFs(dir, (dirPath, stats) => { + // if current directory is removed, do nothing + if (stats && stats.mtimeMs === 0) return; + + this._handleRead(dirPath, false, wh, target, dir, depth, throttler); + }); + } + return closer; +} + +/** + * Handle added file, directory, or glob pattern. + * Delegates call to _handleFile / _handleDir after checks. + * @param {String} path to file or ir + * @param {Boolean} initialAdd was the file added at watch instantiation? + * @param {Object} priorWh depth relative to user-supplied path + * @param {Number} depth Child path actually targeted for watch + * @param {String=} target Child path actually targeted for watch + * @returns {Promise} + */ +async _addToNodeFs(path, initialAdd, priorWh, depth, target) { + const ready = this.fsw._emitReady; + if (this.fsw._isIgnored(path) || this.fsw.closed) { + ready(); + return false; + } + + const wh = this.fsw._getWatchHelpers(path, depth); + if (!wh.hasGlob && priorWh) { + wh.hasGlob = priorWh.hasGlob; + wh.globFilter = priorWh.globFilter; + wh.filterPath = entry => priorWh.filterPath(entry); + wh.filterDir = entry => priorWh.filterDir(entry); + } + + // evaluate what is at the path we're being asked to watch + try { + const stats = await statMethods[wh.statMethod](wh.watchPath); + if (this.fsw.closed) return; + if (this.fsw._isIgnored(wh.watchPath, stats)) { + ready(); + return false; + } + + const follow = this.fsw.options.followSymlinks && !path.includes(STAR$1) && !path.includes(BRACE_START); + let closer; + if (stats.isDirectory()) { + const targetPath = follow ? await fsrealpath(path) : path; + if (this.fsw.closed) return; + closer = await this._handleDir(wh.watchPath, stats, initialAdd, depth, target, wh, targetPath); + if (this.fsw.closed) return; + // preserve this symlink's target path + if (path !== targetPath && targetPath !== undefined) { + this.fsw._symlinkPaths.set(targetPath, true); + } + } else if (stats.isSymbolicLink()) { + const targetPath = follow ? await fsrealpath(path) : path; + if (this.fsw.closed) return; + const parent = path$1.dirname(wh.watchPath); + this.fsw._getWatchedDir(parent).add(wh.watchPath); + this.fsw._emit(EV_ADD, wh.watchPath, stats); + closer = await this._handleDir(parent, stats, initialAdd, depth, path, wh, targetPath); + if (this.fsw.closed) return; + + // preserve this symlink's target path + if (targetPath !== undefined) { + this.fsw._symlinkPaths.set(path$1.resolve(path), targetPath); + } + } else { + closer = this._handleFile(wh.watchPath, stats, initialAdd); + } + ready(); + + this.fsw._addPathCloser(path, closer); + return false; + + } catch (error) { + if (this.fsw._handleError(error)) { + ready(); + return path; + } + } +} + +} + +var nodefsHandler = NodeFsHandler; + +const { promisify: promisify$2 } = util$1; + +let fsevents; +try { + fsevents = undefined; +} catch (error) { + if (process.env.CHOKIDAR_PRINT_FSEVENTS_REQUIRE_ERROR) console.error(error); +} + +if (fsevents) { + // TODO: real check + const mtch = process.version.match(/v(\d+)\.(\d+)/); + if (mtch && mtch[1] && mtch[2]) { + const maj = Number.parseInt(mtch[1], 10); + const min = Number.parseInt(mtch[2], 10); + if (maj === 8 && min < 16) { + fsevents = undefined; + } + } +} + +const { + EV_ADD: EV_ADD$1, + EV_CHANGE: EV_CHANGE$1, + EV_ADD_DIR: EV_ADD_DIR$1, + EV_UNLINK, + EV_ERROR: EV_ERROR$1, + STR_DATA: STR_DATA$1, + STR_END: STR_END$1, + FSEVENT_CREATED, + FSEVENT_MODIFIED, + FSEVENT_DELETED, + FSEVENT_MOVED, + // FSEVENT_CLONED, + FSEVENT_UNKNOWN, + FSEVENT_TYPE_DIRECTORY, + FSEVENT_TYPE_SYMLINK, + + ROOT_GLOBSTAR, + DIR_SUFFIX, + DOT_SLASH, + FUNCTION_TYPE, + EMPTY_FN: EMPTY_FN$1, + IDENTITY_FN +} = constants$2; +const FS_MODE_READ = 'r'; + +const Depth = (value) => isNaN(value) ? {} : {depth: value}; + +const stat$4 = promisify$2(fs$1.stat); +const open$1 = promisify$2(fs$1.open); +const close$1 = promisify$2(fs$1.close); +const lstat$2 = promisify$2(fs$1.lstat); +const realpath$2 = promisify$2(fs$1.realpath); + +const statMethods$1 = { stat: stat$4, lstat: lstat$2 }; + +/** + * @typedef {String} Path + */ + +/** + * @typedef {Object} FsEventsWatchContainer + * @property {Set} listeners + * @property {Function} rawEmitter + * @property {{stop: Function}} watcher + */ + +// fsevents instance helper functions +/** + * Object to hold per-process fsevents instances (may be shared across chokidar FSWatcher instances) + * @type {Map} + */ +const FSEventsWatchers = new Map(); + +// Threshold of duplicate path prefixes at which to start +// consolidating going forward +const consolidateThreshhold = 10; + +const wrongEventFlags = new Set([ + 69888, 70400, 71424, 72704, 73472, 131328, 131840, 262912 +]); + +/** + * Instantiates the fsevents interface + * @param {Path} path path to be watched + * @param {Function} callback called when fsevents is bound and ready + * @returns {{stop: Function}} new fsevents instance + */ +const createFSEventsInstance = (path, callback) => { + const stop = fsevents.watch(path, callback); + return {stop}; +}; + +/** + * Instantiates the fsevents interface or binds listeners to an existing one covering + * the same file tree. + * @param {Path} path - to be watched + * @param {Path} realPath - real path for symlinks + * @param {Function} listener - called when fsevents emits events + * @param {Function} rawEmitter - passes data to listeners of the 'raw' event + * @returns {Function} closer + */ +function setFSEventsListener(path, realPath, listener, rawEmitter, fsw) { + let watchPath = path$1.extname(path) ? path$1.dirname(path) : path; + const parentPath = path$1.dirname(watchPath); + let cont = FSEventsWatchers.get(watchPath); + + // If we've accumulated a substantial number of paths that + // could have been consolidated by watching one directory + // above the current one, create a watcher on the parent + // path instead, so that we do consolidate going forward. + if (couldConsolidate(parentPath)) { + watchPath = parentPath; + } + + const resolvedPath = path$1.resolve(path); + const hasSymlink = resolvedPath !== realPath; + + const filteredListener = (fullPath, flags, info) => { + if (hasSymlink) fullPath = fullPath.replace(realPath, resolvedPath); + if ( + fullPath === resolvedPath || + !fullPath.indexOf(resolvedPath + path$1.sep) + ) listener(fullPath, flags, info); + }; + + // check if there is already a watcher on a parent path + // modifies `watchPath` to the parent path when it finds a match + let watchedParent = false; + for (const watchedPath of FSEventsWatchers.keys()) { + if (realPath.indexOf(path$1.resolve(watchedPath) + path$1.sep) === 0) { + watchPath = watchedPath; + cont = FSEventsWatchers.get(watchPath); + watchedParent = true; + break; + } + } + + if (cont || watchedParent) { + cont.listeners.add(filteredListener); + } else { + cont = { + listeners: new Set([filteredListener]), + rawEmitter, + watcher: createFSEventsInstance(watchPath, (fullPath, flags) => { + if (fsw.closed) return; + const info = fsevents.getInfo(fullPath, flags); + cont.listeners.forEach(list => { + list(fullPath, flags, info); + }); + + cont.rawEmitter(info.event, fullPath, info); + }) + }; + FSEventsWatchers.set(watchPath, cont); + } + + // removes this instance's listeners and closes the underlying fsevents + // instance if there are no more listeners left + return () => { + const lst = cont.listeners; + + lst.delete(filteredListener); + if (!lst.size) { + FSEventsWatchers.delete(watchPath); + if (cont.watcher) return cont.watcher.stop().then(() => { + cont.rawEmitter = cont.watcher = undefined; + Object.freeze(cont); + }); + } + }; +} + +// Decide whether or not we should start a new higher-level +// parent watcher +const couldConsolidate = (path) => { + let count = 0; + for (const watchPath of FSEventsWatchers.keys()) { + if (watchPath.indexOf(path) === 0) { + count++; + if (count >= consolidateThreshhold) { + return true; + } + } + } + + return false; +}; + +// returns boolean indicating whether fsevents can be used +const canUse = () => fsevents && FSEventsWatchers.size < 128; + +// determines subdirectory traversal levels from root to path +const calcDepth = (path, root) => { + let i = 0; + while (!path.indexOf(root) && (path = path$1.dirname(path)) !== root) i++; + return i; +}; + +/** + * @mixin + */ +class FsEventsHandler { + +/** + * @param {import('../index').FSWatcher} fsw + */ +constructor(fsw) { + this.fsw = fsw; +} +checkIgnored(path, stats) { + const ipaths = this.fsw._ignoredPaths; + if (this.fsw._isIgnored(path, stats)) { + ipaths.add(path); + if (stats && stats.isDirectory()) { + ipaths.add(path + ROOT_GLOBSTAR); + } + return true; + } + + ipaths.delete(path); + ipaths.delete(path + ROOT_GLOBSTAR); +} + +addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts) { + const event = watchedDir.has(item) ? EV_CHANGE$1 : EV_ADD$1; + this.handleEvent(event, path, fullPath, realPath, parent, watchedDir, item, info, opts); +} + +async checkFd(path, fullPath, realPath, parent, watchedDir, item, info, opts) { + try { + const fd = await open$1(path, FS_MODE_READ); + if (this.fsw.closed) return; + await close$1(fd); + if (this.fsw.closed) return; + this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts); + } catch (error) { + if (error.code === 'EACCES') { + this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts); + } else { + this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts); + } + } +} + +handleEvent(event, path, fullPath, realPath, parent, watchedDir, item, info, opts) { + if (this.fsw.closed || this.checkIgnored(path)) return; + + if (event === EV_UNLINK) { + // suppress unlink events on never before seen files + if (info.type === FSEVENT_TYPE_DIRECTORY || watchedDir.has(item)) { + this.fsw._remove(parent, item); + } + } else { + if (event === EV_ADD$1) { + // track new directories + if (info.type === FSEVENT_TYPE_DIRECTORY) this.fsw._getWatchedDir(path); + + if (info.type === FSEVENT_TYPE_SYMLINK && opts.followSymlinks) { + // push symlinks back to the top of the stack to get handled + const curDepth = opts.depth === undefined ? + undefined : calcDepth(fullPath, realPath) + 1; + return this._addToFsEvents(path, false, true, curDepth); + } + + // track new paths + // (other than symlinks being followed, which will be tracked soon) + this.fsw._getWatchedDir(parent).add(item); + } + /** + * @type {'add'|'addDir'|'unlink'|'unlinkDir'} + */ + const eventName = info.type === FSEVENT_TYPE_DIRECTORY ? event + DIR_SUFFIX : event; + this.fsw._emit(eventName, path); + if (eventName === EV_ADD_DIR$1) this._addToFsEvents(path, false, true); + } +} + +/** + * Handle symlinks encountered during directory scan + * @param {String} watchPath - file/dir path to be watched with fsevents + * @param {String} realPath - real path (in case of symlinks) + * @param {Function} transform - path transformer + * @param {Function} globFilter - path filter in case a glob pattern was provided + * @returns {Function} closer for the watcher instance +*/ +_watchWithFsEvents(watchPath, realPath, transform, globFilter) { + if (this.fsw.closed) return; + if (this.fsw._isIgnored(watchPath)) return; + const opts = this.fsw.options; + const watchCallback = async (fullPath, flags, info) => { + if (this.fsw.closed) return; + if ( + opts.depth !== undefined && + calcDepth(fullPath, realPath) > opts.depth + ) return; + const path = transform(path$1.join( + watchPath, path$1.relative(watchPath, fullPath) + )); + if (globFilter && !globFilter(path)) return; + // ensure directories are tracked + const parent = path$1.dirname(path); + const item = path$1.basename(path); + const watchedDir = this.fsw._getWatchedDir( + info.type === FSEVENT_TYPE_DIRECTORY ? path : parent + ); + + // correct for wrong events emitted + if (wrongEventFlags.has(flags) || info.event === FSEVENT_UNKNOWN) { + if (typeof opts.ignored === FUNCTION_TYPE) { + let stats; + try { + stats = await stat$4(path); + } catch (error) {} + if (this.fsw.closed) return; + if (this.checkIgnored(path, stats)) return; + if (stats) { + this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts); + } else { + this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts); + } + } else { + this.checkFd(path, fullPath, realPath, parent, watchedDir, item, info, opts); + } + } else { + switch (info.event) { + case FSEVENT_CREATED: + case FSEVENT_MODIFIED: + return this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts); + case FSEVENT_DELETED: + case FSEVENT_MOVED: + return this.checkFd(path, fullPath, realPath, parent, watchedDir, item, info, opts); + } + } + }; + + const closer = setFSEventsListener( + watchPath, + realPath, + watchCallback, + this.fsw._emitRaw, + this.fsw + ); + + this.fsw._emitReady(); + return closer; +} + +/** + * Handle symlinks encountered during directory scan + * @param {String} linkPath path to symlink + * @param {String} fullPath absolute path to the symlink + * @param {Function} transform pre-existing path transformer + * @param {Number} curDepth level of subdirectories traversed to where symlink is + * @returns {Promise} + */ +async _handleFsEventsSymlink(linkPath, fullPath, transform, curDepth) { + // don't follow the same symlink more than once + if (this.fsw.closed || this.fsw._symlinkPaths.has(fullPath)) return; + + this.fsw._symlinkPaths.set(fullPath, true); + this.fsw._incrReadyCount(); + + try { + const linkTarget = await realpath$2(linkPath); + if (this.fsw.closed) return; + if (this.fsw._isIgnored(linkTarget)) { + return this.fsw._emitReady(); + } + + this.fsw._incrReadyCount(); + + // add the linkTarget for watching with a wrapper for transform + // that causes emitted paths to incorporate the link's path + this._addToFsEvents(linkTarget || linkPath, (path) => { + let aliasedPath = linkPath; + if (linkTarget && linkTarget !== DOT_SLASH) { + aliasedPath = path.replace(linkTarget, linkPath); + } else if (path !== DOT_SLASH) { + aliasedPath = path$1.join(linkPath, path); + } + return transform(aliasedPath); + }, false, curDepth); + } catch(error) { + if (this.fsw._handleError(error)) { + return this.fsw._emitReady(); + } + } +} + +/** + * + * @param {Path} newPath + * @param {fs.Stats} stats + */ +emitAdd(newPath, stats, processPath, opts, forceAdd) { + const pp = processPath(newPath); + const isDir = stats.isDirectory(); + const dirObj = this.fsw._getWatchedDir(path$1.dirname(pp)); + const base = path$1.basename(pp); + + // ensure empty dirs get tracked + if (isDir) this.fsw._getWatchedDir(pp); + if (dirObj.has(base)) return; + dirObj.add(base); + + if (!opts.ignoreInitial || forceAdd === true) { + this.fsw._emit(isDir ? EV_ADD_DIR$1 : EV_ADD$1, pp, stats); + } +} + +initWatch(realPath, path, wh, processPath) { + if (this.fsw.closed) return; + const closer = this._watchWithFsEvents( + wh.watchPath, + path$1.resolve(realPath || wh.watchPath), + processPath, + wh.globFilter + ); + this.fsw._addPathCloser(path, closer); +} + +/** + * Handle added path with fsevents + * @param {String} path file/dir path or glob pattern + * @param {Function|Boolean=} transform converts working path to what the user expects + * @param {Boolean=} forceAdd ensure add is emitted + * @param {Number=} priorDepth Level of subdirectories already traversed. + * @returns {Promise} + */ +async _addToFsEvents(path, transform, forceAdd, priorDepth) { + if (this.fsw.closed) { + return; + } + const opts = this.fsw.options; + const processPath = typeof transform === FUNCTION_TYPE ? transform : IDENTITY_FN; + + const wh = this.fsw._getWatchHelpers(path); + + // evaluate what is at the path we're being asked to watch + try { + const stats = await statMethods$1[wh.statMethod](wh.watchPath); + if (this.fsw.closed) return; + if (this.fsw._isIgnored(wh.watchPath, stats)) { + throw null; + } + if (stats.isDirectory()) { + // emit addDir unless this is a glob parent + if (!wh.globFilter) this.emitAdd(processPath(path), stats, processPath, opts, forceAdd); + + // don't recurse further if it would exceed depth setting + if (priorDepth && priorDepth > opts.depth) return; + + // scan the contents of the dir + this.fsw._readdirp(wh.watchPath, { + fileFilter: entry => wh.filterPath(entry), + directoryFilter: entry => wh.filterDir(entry), + ...Depth(opts.depth - (priorDepth || 0)) + }).on(STR_DATA$1, (entry) => { + // need to check filterPath on dirs b/c filterDir is less restrictive + if (this.fsw.closed) { + return; + } + if (entry.stats.isDirectory() && !wh.filterPath(entry)) return; + + const joinedPath = path$1.join(wh.watchPath, entry.path); + const {fullPath} = entry; + + if (wh.followSymlinks && entry.stats.isSymbolicLink()) { + // preserve the current depth here since it can't be derived from + // real paths past the symlink + const curDepth = opts.depth === undefined ? + undefined : calcDepth(joinedPath, path$1.resolve(wh.watchPath)) + 1; + + this._handleFsEventsSymlink(joinedPath, fullPath, processPath, curDepth); + } else { + this.emitAdd(joinedPath, entry.stats, processPath, opts, forceAdd); + } + }).on(EV_ERROR$1, EMPTY_FN$1).on(STR_END$1, () => { + this.fsw._emitReady(); + }); + } else { + this.emitAdd(wh.watchPath, stats, processPath, opts, forceAdd); + this.fsw._emitReady(); + } + } catch (error) { + if (!error || this.fsw._handleError(error)) { + // TODO: Strange thing: "should not choke on an ignored watch path" will be failed without 2 ready calls -__- + this.fsw._emitReady(); + this.fsw._emitReady(); + } + } + + if (opts.persistent && forceAdd !== true) { + if (typeof transform === FUNCTION_TYPE) { + // realpath has already been resolved + this.initWatch(undefined, path, wh, processPath); + } else { + let realPath; + try { + realPath = await realpath$2(wh.watchPath); + } catch (e) {} + this.initWatch(realPath, path, wh, processPath); + } + } +} + +} + +var fseventsHandler = FsEventsHandler; +var canUse_1 = canUse; +fseventsHandler.canUse = canUse_1; + +const { EventEmitter } = events; + + +const { promisify: promisify$3 } = util$1; + +const anymatch = anymatch_1.default; + + + + + + + +const { + EV_ALL, + EV_READY, + EV_ADD: EV_ADD$2, + EV_CHANGE: EV_CHANGE$2, + EV_UNLINK: EV_UNLINK$1, + EV_ADD_DIR: EV_ADD_DIR$2, + EV_UNLINK_DIR, + EV_RAW, + EV_ERROR: EV_ERROR$2, + + STR_CLOSE, + STR_END: STR_END$2, + + BACK_SLASH_RE, + DOUBLE_SLASH_RE, + SLASH_OR_BACK_SLASH_RE, + DOT_RE, + REPLACER_RE, + + SLASH: SLASH$1, + BRACE_START: BRACE_START$1, + BANG: BANG$1, + ONE_DOT, + TWO_DOTS, + GLOBSTAR: GLOBSTAR$1, + SLASH_GLOBSTAR, + ANYMATCH_OPTS, + STRING_TYPE, + FUNCTION_TYPE: FUNCTION_TYPE$1, + EMPTY_STR: EMPTY_STR$1, + EMPTY_FN: EMPTY_FN$2, + + isWindows: isWindows$2, + isMacos +} = constants$2; + +const stat$5 = promisify$3(fs$1.stat); +const readdir$2 = promisify$3(fs$1.readdir); + +/** + * @typedef {String} Path + * @typedef {'all'|'add'|'addDir'|'change'|'unlink'|'unlinkDir'|'raw'|'error'|'ready'} EventName + * @typedef {'readdir'|'watch'|'add'|'remove'|'change'} ThrottleType + */ + +/** + * + * @typedef {Object} WatchHelpers + * @property {Boolean} followSymlinks + * @property {'stat'|'lstat'} statMethod + * @property {Path} path + * @property {Path} watchPath + * @property {Function} entryPath + * @property {Boolean} hasGlob + * @property {Object} globFilter + * @property {Function} filterPath + * @property {Function} filterDir + */ + +const arrify = (value = []) => Array.isArray(value) ? value : [value]; +const flatten = (list, result = []) => { + list.forEach(item => { + if (Array.isArray(item)) { + flatten(item, result); + } else { + result.push(item); + } + }); + return result; +}; + +const unifyPaths = (paths_) => { + /** + * @type {Array} + */ + const paths = flatten(arrify(paths_)); + if (!paths.every(p => typeof p === STRING_TYPE)) { + throw new TypeError(`Non-string provided as watch path: ${paths}`); + } + return paths.map(normalizePathToUnix); +}; + +const toUnix = (string) => { + let str = string.replace(BACK_SLASH_RE, SLASH$1); + while (str.match(DOUBLE_SLASH_RE)) { + str = str.replace(DOUBLE_SLASH_RE, SLASH$1); + } + return str; +}; + +// Our version of upath.normalize +// TODO: this is not equal to path-normalize module - investigate why +const normalizePathToUnix = (path) => toUnix(path$1.normalize(toUnix(path))); + +const normalizeIgnored = (cwd = EMPTY_STR$1) => (path) => { + if (typeof path !== STRING_TYPE) return path; + return normalizePathToUnix(path$1.isAbsolute(path) ? path : path$1.join(cwd, path)); +}; + +const getAbsolutePath = (path, cwd) => { + if (path$1.isAbsolute(path)) { + return path; + } + if (path.startsWith(BANG$1)) { + return BANG$1 + path$1.join(cwd, path.slice(1)); + } + return path$1.join(cwd, path); +}; + +const undef = (opts, key) => opts[key] === undefined; + +/** + * Directory entry. + * @property {Path} path + * @property {Set} items + */ +class DirEntry { + /** + * @param {Path} dir + * @param {Function} removeWatcher + */ + constructor(dir, removeWatcher) { + this.path = dir; + this._removeWatcher = removeWatcher; + /** @type {Set} */ + this.items = new Set(); + } + + add(item) { + const {items} = this; + if (!items) return; + if (item !== ONE_DOT && item !== TWO_DOTS) items.add(item); + } + + async remove(item) { + const {items} = this; + if (!items) return; + items.delete(item); + + if (!items.size) { + const dir = this.path; + try { + await readdir$2(dir); + } catch (err) { + this._removeWatcher(path$1.dirname(dir), path$1.basename(dir)); + } + } + } + + has(item) { + const {items} = this; + if (!items) return; + return items.has(item); + } + + /** + * @returns {Array} + */ + getChildren() { + const {items} = this; + if (!items) return; + return [...items.values()]; + } + + dispose() { + this.items.clear(); + delete this.path; + delete this._removeWatcher; + delete this.items; + Object.freeze(this); + } +} + +const STAT_METHOD_F = 'stat'; +const STAT_METHOD_L = 'lstat'; +class WatchHelper { + constructor(path, watchPath, follow, fsw) { + this.fsw = fsw; + this.path = path = path.replace(REPLACER_RE, EMPTY_STR$1); + this.watchPath = watchPath; + this.fullWatchPath = path$1.resolve(watchPath); + this.hasGlob = watchPath !== path; + /** @type {object|boolean} */ + if (path === EMPTY_STR$1) this.hasGlob = false; + this.globSymlink = this.hasGlob && follow ? undefined : false; + this.globFilter = this.hasGlob ? anymatch(path, undefined, ANYMATCH_OPTS) : false; + this.dirParts = this.getDirParts(path); + this.dirParts.forEach((parts) => { + if (parts.length > 1) parts.pop(); + }); + this.followSymlinks = follow; + this.statMethod = follow ? STAT_METHOD_F : STAT_METHOD_L; + } + + checkGlobSymlink(entry) { + // only need to resolve once + // first entry should always have entry.parentDir === EMPTY_STR + if (this.globSymlink === undefined) { + this.globSymlink = entry.fullParentDir === this.fullWatchPath ? + false : {realPath: entry.fullParentDir, linkPath: this.fullWatchPath}; + } + + if (this.globSymlink) { + return entry.fullPath.replace(this.globSymlink.realPath, this.globSymlink.linkPath); + } + + return entry.fullPath; + } + + entryPath(entry) { + return path$1.join(this.watchPath, + path$1.relative(this.watchPath, this.checkGlobSymlink(entry)) + ); + } + + filterPath(entry) { + const {stats} = entry; + if (stats && stats.isSymbolicLink()) return this.filterDir(entry); + const resolvedPath = this.entryPath(entry); + const matchesGlob = this.hasGlob && typeof this.globFilter === FUNCTION_TYPE$1 ? + this.globFilter(resolvedPath) : true; + return matchesGlob && + this.fsw._isntIgnored(resolvedPath, stats) && + this.fsw._hasReadPermissions(stats); + } + + getDirParts(path) { + if (!this.hasGlob) return []; + const parts = []; + const expandedPath = path.includes(BRACE_START$1) ? braces_1.expand(path) : [path]; + expandedPath.forEach((path) => { + parts.push(path$1.relative(this.watchPath, path).split(SLASH_OR_BACK_SLASH_RE)); + }); + return parts; + } + + filterDir(entry) { + if (this.hasGlob) { + const entryParts = this.getDirParts(this.checkGlobSymlink(entry)); + let globstar = false; + this.unmatchedGlob = !this.dirParts.some((parts) => { + return parts.every((part, i) => { + if (part === GLOBSTAR$1) globstar = true; + return globstar || !entryParts[0][i] || anymatch(part, entryParts[0][i], ANYMATCH_OPTS); + }); + }); + } + return !this.unmatchedGlob && this.fsw._isntIgnored(this.entryPath(entry), entry.stats); + } +} + +/** + * Watches files & directories for changes. Emitted events: + * `add`, `addDir`, `change`, `unlink`, `unlinkDir`, `all`, `error` + * + * new FSWatcher() + * .add(directories) + * .on('add', path => log('File', path, 'was added')) + */ +class FSWatcher extends EventEmitter { +// Not indenting methods for history sake; for now. +constructor(_opts) { + super(); + + const opts = {}; + if (_opts) Object.assign(opts, _opts); // for frozen objects + + /** @type {Map} */ + this._watched = new Map(); + /** @type {Map} */ + this._closers = new Map(); + /** @type {Set} */ + this._ignoredPaths = new Set(); + + /** @type {Map} */ + this._throttled = new Map(); + + /** @type {Map} */ + this._symlinkPaths = new Map(); + + this._streams = new Set(); + this.closed = false; + + // Set up default options. + if (undef(opts, 'persistent')) opts.persistent = true; + if (undef(opts, 'ignoreInitial')) opts.ignoreInitial = false; + if (undef(opts, 'ignorePermissionErrors')) opts.ignorePermissionErrors = false; + if (undef(opts, 'interval')) opts.interval = 100; + if (undef(opts, 'binaryInterval')) opts.binaryInterval = 300; + if (undef(opts, 'disableGlobbing')) opts.disableGlobbing = false; + opts.enableBinaryInterval = opts.binaryInterval !== opts.interval; + + // Enable fsevents on OS X when polling isn't explicitly enabled. + if (undef(opts, 'useFsEvents')) opts.useFsEvents = !opts.usePolling; + + // If we can't use fsevents, ensure the options reflect it's disabled. + const canUseFsEvents = fseventsHandler.canUse(); + if (!canUseFsEvents) opts.useFsEvents = false; + + // Use polling on Mac if not using fsevents. + // Other platforms use non-polling fs_watch. + if (undef(opts, 'usePolling') && !opts.useFsEvents) { + opts.usePolling = isMacos; + } + + // Global override (useful for end-developers that need to force polling for all + // instances of chokidar, regardless of usage/dependency depth) + const envPoll = process.env.CHOKIDAR_USEPOLLING; + if (envPoll !== undefined) { + const envLower = envPoll.toLowerCase(); + + if (envLower === 'false' || envLower === '0') { + opts.usePolling = false; + } else if (envLower === 'true' || envLower === '1') { + opts.usePolling = true; + } else { + opts.usePolling = !!envLower; + } + } + const envInterval = process.env.CHOKIDAR_INTERVAL; + if (envInterval) { + opts.interval = Number.parseInt(envInterval, 10); + } + + // Editor atomic write normalization enabled by default with fs.watch + if (undef(opts, 'atomic')) opts.atomic = !opts.usePolling && !opts.useFsEvents; + if (opts.atomic) this._pendingUnlinks = new Map(); + + if (undef(opts, 'followSymlinks')) opts.followSymlinks = true; + + if (undef(opts, 'awaitWriteFinish')) opts.awaitWriteFinish = false; + if (opts.awaitWriteFinish === true) opts.awaitWriteFinish = {}; + const awf = opts.awaitWriteFinish; + if (awf) { + if (!awf.stabilityThreshold) awf.stabilityThreshold = 2000; + if (!awf.pollInterval) awf.pollInterval = 100; + this._pendingWrites = new Map(); + } + if (opts.ignored) opts.ignored = arrify(opts.ignored); + + let readyCalls = 0; + this._emitReady = () => { + readyCalls++; + if (readyCalls >= this._readyCount) { + this._emitReady = EMPTY_FN$2; + this._readyEmitted = true; + // use process.nextTick to allow time for listener to be bound + process.nextTick(() => this.emit(EV_READY)); + } + }; + this._emitRaw = (...args) => this.emit(EV_RAW, ...args); + this._readyEmitted = false; + this.options = opts; + + // Initialize with proper watcher. + if (opts.useFsEvents) { + this._fsEventsHandler = new fseventsHandler(this); + } else { + this._nodeFsHandler = new nodefsHandler(this); + } + + // You’re frozen when your heart’s not open. + Object.freeze(opts); +} + +// Public methods + +/** + * Adds paths to be watched on an existing FSWatcher instance + * @param {Path|Array} paths_ + * @param {String=} _origAdd private; for handling non-existent paths to be watched + * @param {Boolean=} _internal private; indicates a non-user add + * @returns {FSWatcher} for chaining + */ +add(paths_, _origAdd, _internal) { + const {cwd, disableGlobbing} = this.options; + this.closed = false; + let paths = unifyPaths(paths_); + if (cwd) { + paths = paths.map((path) => { + const absPath = getAbsolutePath(path, cwd); + + // Check `path` instead of `absPath` because the cwd portion can't be a glob + if (disableGlobbing || !isGlob(path)) { + return absPath; + } + return normalizePath(absPath); + }); + } + + // set aside negated glob strings + paths = paths.filter((path) => { + if (path.startsWith(BANG$1)) { + this._ignoredPaths.add(path.slice(1)); + return false; + } + + // if a path is being added that was previously ignored, stop ignoring it + this._ignoredPaths.delete(path); + this._ignoredPaths.delete(path + SLASH_GLOBSTAR); + + // reset the cached userIgnored anymatch fn + // to make ignoredPaths changes effective + this._userIgnored = undefined; + + return true; + }); + + if (this.options.useFsEvents && this._fsEventsHandler) { + if (!this._readyCount) this._readyCount = paths.length; + if (this.options.persistent) this._readyCount *= 2; + paths.forEach((path) => this._fsEventsHandler._addToFsEvents(path)); + } else { + if (!this._readyCount) this._readyCount = 0; + this._readyCount += paths.length; + Promise.all( + paths.map(async path => { + const res = await this._nodeFsHandler._addToNodeFs(path, !_internal, 0, 0, _origAdd); + if (res) this._emitReady(); + return res; + }) + ).then(results => { + if (this.closed) return; + results.filter(item => item).forEach(item => { + this.add(path$1.dirname(item), path$1.basename(_origAdd || item)); + }); + }); + } + + return this; +} + +/** + * Close watchers or start ignoring events from specified paths. + * @param {Path|Array} paths_ - string or array of strings, file/directory paths and/or globs + * @returns {FSWatcher} for chaining +*/ +unwatch(paths_) { + if (this.closed) return this; + const paths = unifyPaths(paths_); + const {cwd} = this.options; + + paths.forEach((path) => { + // convert to absolute path unless relative path already matches + if (!path$1.isAbsolute(path) && !this._closers.has(path)) { + if (cwd) path = path$1.join(cwd, path); + path = path$1.resolve(path); + } + + this._closePath(path); + + this._ignoredPaths.add(path); + if (this._watched.has(path)) { + this._ignoredPaths.add(path + SLASH_GLOBSTAR); + } + + // reset the cached userIgnored anymatch fn + // to make ignoredPaths changes effective + this._userIgnored = undefined; + }); + + return this; +} + +/** + * Close watchers and remove all listeners from watched paths. + * @returns {Promise}. +*/ +close() { + if (this.closed) return this; + this.closed = true; + + // Memory management. + this.removeAllListeners(); + const closers = []; + this._closers.forEach(closerList => closerList.forEach(closer => { + const promise = closer(); + if (promise instanceof Promise) closers.push(promise); + })); + this._streams.forEach(stream => stream.destroy()); + this._userIgnored = undefined; + this._readyCount = 0; + this._readyEmitted = false; + this._watched.forEach(dirent => dirent.dispose()); + ['closers', 'watched', 'streams', 'symlinkPaths', 'throttled'].forEach(key => { + this[`_${key}`].clear(); + }); + return closers.length ? Promise.all(closers).then(() => undefined) : Promise.resolve(); +} + +/** + * Expose list of watched paths + * @returns {Object} for chaining +*/ +getWatched() { + const watchList = {}; + this._watched.forEach((entry, dir) => { + const key = this.options.cwd ? path$1.relative(this.options.cwd, dir) : dir; + watchList[key || ONE_DOT] = entry.getChildren().sort(); + }); + return watchList; +} + +emitWithAll(event, args) { + this.emit(...args); + if (event !== EV_ERROR$2) this.emit(EV_ALL, ...args); +} + +// Common helpers +// -------------- + +/** + * Normalize and emit events. + * Calling _emit DOES NOT MEAN emit() would be called! + * @param {EventName} event Type of event + * @param {Path} path File or directory path + * @param {*=} val1 arguments to be passed with event + * @param {*=} val2 + * @param {*=} val3 + * @returns the error if defined, otherwise the value of the FSWatcher instance's `closed` flag + */ +async _emit(event, path, val1, val2, val3) { + if (this.closed) return; + + const opts = this.options; + if (isWindows$2) path = path$1.normalize(path); + if (opts.cwd) path = path$1.relative(opts.cwd, path); + /** @type Array */ + const args = [event, path]; + if (val3 !== undefined) args.push(val1, val2, val3); + else if (val2 !== undefined) args.push(val1, val2); + else if (val1 !== undefined) args.push(val1); + + const awf = opts.awaitWriteFinish; + let pw; + if (awf && (pw = this._pendingWrites.get(path))) { + pw.lastChange = new Date(); + return this; + } + + if (opts.atomic) { + if (event === EV_UNLINK$1) { + this._pendingUnlinks.set(path, args); + setTimeout(() => { + this._pendingUnlinks.forEach((entry, path) => { + this.emit(...entry); + this.emit(EV_ALL, ...entry); + this._pendingUnlinks.delete(path); + }); + }, typeof opts.atomic === 'number' ? opts.atomic : 100); + return this; + } + if (event === EV_ADD$2 && this._pendingUnlinks.has(path)) { + event = args[0] = EV_CHANGE$2; + this._pendingUnlinks.delete(path); + } + } + + if (awf && (event === EV_ADD$2 || event === EV_CHANGE$2) && this._readyEmitted) { + const awfEmit = (err, stats) => { + if (err) { + event = args[0] = EV_ERROR$2; + args[1] = err; + this.emitWithAll(event, args); + } else if (stats) { + // if stats doesn't exist the file must have been deleted + if (args.length > 2) { + args[2] = stats; + } else { + args.push(stats); + } + this.emitWithAll(event, args); + } + }; + + this._awaitWriteFinish(path, awf.stabilityThreshold, event, awfEmit); + return this; + } + + if (event === EV_CHANGE$2) { + const isThrottled = !this._throttle(EV_CHANGE$2, path, 50); + if (isThrottled) return this; + } + + if (opts.alwaysStat && val1 === undefined && + (event === EV_ADD$2 || event === EV_ADD_DIR$2 || event === EV_CHANGE$2) + ) { + const fullPath = opts.cwd ? path$1.join(opts.cwd, path) : path; + try { + const stats = await stat$5(fullPath); + // Suppress event when fs_stat fails, to avoid sending undefined 'stat' + if (!stats) return; + args.push(stats); + this.emitWithAll(event, args); + } catch (err) {} + } else { + this.emitWithAll(event, args); + } + + return this; +} + +/** + * Common handler for errors + * @param {Error} error + * @returns {Error|Boolean} The error if defined, otherwise the value of the FSWatcher instance's `closed` flag + */ +_handleError(error) { + const code = error && error.code; + if (error && code !== 'ENOENT' && code !== 'ENOTDIR' && + (!this.options.ignorePermissionErrors || (code !== 'EPERM' && code !== 'EACCES')) + ) { + this.emit(EV_ERROR$2, error); + } + return error || this.closed; +} + +/** + * Helper utility for throttling + * @param {ThrottleType} actionType type being throttled + * @param {Path} path being acted upon + * @param {Number} timeout duration of time to suppress duplicate actions + * @returns {Object|false} tracking object or false if action should be suppressed + */ +_throttle(actionType, path, timeout) { + if (!this._throttled.has(actionType)) { + this._throttled.set(actionType, new Map()); + } + + /** @type {Map} */ + const action = this._throttled.get(actionType); + /** @type {Object} */ + const actionPath = action.get(path); + + if (actionPath) { + actionPath.count++; + return false; + } + + let timeoutObject; + const clear = () => { + const item = action.get(path); + const count = item ? item.count : 0; + action.delete(path); + clearTimeout(timeoutObject); + if (item) clearTimeout(item.timeoutObject); + return count; + }; + timeoutObject = setTimeout(clear, timeout); + const thr = {timeoutObject, clear, count: 0}; + action.set(path, thr); + return thr; +} + +_incrReadyCount() { + return this._readyCount++; +} + +/** + * Awaits write operation to finish. + * Polls a newly created file for size variations. When files size does not change for 'threshold' milliseconds calls callback. + * @param {Path} path being acted upon + * @param {Number} threshold Time in milliseconds a file size must be fixed before acknowledging write OP is finished + * @param {EventName} event + * @param {Function} awfEmit Callback to be called when ready for event to be emitted. + */ +_awaitWriteFinish(path, threshold, event, awfEmit) { + let timeoutHandler; + + let fullPath = path; + if (this.options.cwd && !path$1.isAbsolute(path)) { + fullPath = path$1.join(this.options.cwd, path); + } + + const now = new Date(); + + const awaitWriteFinish = (prevStat) => { + fs$1.stat(fullPath, (err, curStat) => { + if (err || !this._pendingWrites.has(path)) { + if (err && err.code !== 'ENOENT') awfEmit(err); + return; + } + + const now = Number(new Date()); + + if (prevStat && curStat.size !== prevStat.size) { + this._pendingWrites.get(path).lastChange = now; + } + const pw = this._pendingWrites.get(path); + const df = now - pw.lastChange; + + if (df >= threshold) { + this._pendingWrites.delete(path); + awfEmit(undefined, curStat); + } else { + timeoutHandler = setTimeout( + awaitWriteFinish, + this.options.awaitWriteFinish.pollInterval, + curStat + ); + } + }); + }; + + if (!this._pendingWrites.has(path)) { + this._pendingWrites.set(path, { + lastChange: now, + cancelWait: () => { + this._pendingWrites.delete(path); + clearTimeout(timeoutHandler); + return event; + } + }); + timeoutHandler = setTimeout( + awaitWriteFinish, + this.options.awaitWriteFinish.pollInterval + ); + } +} + +_getGlobIgnored() { + return [...this._ignoredPaths.values()]; +} + +/** + * Determines whether user has asked to ignore this path. + * @param {Path} path filepath or dir + * @param {fs.Stats=} stats result of fs.stat + * @returns {Boolean} + */ +_isIgnored(path, stats) { + if (this.options.atomic && DOT_RE.test(path)) return true; + if (!this._userIgnored) { + const {cwd} = this.options; + const ign = this.options.ignored; + + const ignored = ign && ign.map(normalizeIgnored(cwd)); + const paths = arrify(ignored) + .filter((path) => typeof path === STRING_TYPE && !isGlob(path)) + .map((path) => path + SLASH_GLOBSTAR); + const list = this._getGlobIgnored().map(normalizeIgnored(cwd)).concat(ignored, paths); + this._userIgnored = anymatch(list, undefined, ANYMATCH_OPTS); + } + + return this._userIgnored([path, stats]); +} + +_isntIgnored(path, stat) { + return !this._isIgnored(path, stat); +} + +/** + * Provides a set of common helpers and properties relating to symlink and glob handling. + * @param {Path} path file, directory, or glob pattern being watched + * @param {Number=} depth at any depth > 0, this isn't a glob + * @returns {WatchHelper} object containing helpers for this path + */ +_getWatchHelpers(path, depth) { + const watchPath = depth || this.options.disableGlobbing || !isGlob(path) ? path : globParent(path); + const follow = this.options.followSymlinks; + + return new WatchHelper(path, watchPath, follow, this); +} + +// Directory helpers +// ----------------- + +/** + * Provides directory tracking objects + * @param {String} directory path of the directory + * @returns {DirEntry} the directory's tracking object + */ +_getWatchedDir(directory) { + if (!this._boundRemove) this._boundRemove = this._remove.bind(this); + const dir = path$1.resolve(directory); + if (!this._watched.has(dir)) this._watched.set(dir, new DirEntry(dir, this._boundRemove)); + return this._watched.get(dir); +} + +// File helpers +// ------------ + +/** + * Check for read permissions. + * Based on this answer on SO: https://stackoverflow.com/a/11781404/1358405 + * @param {fs.Stats} stats - object, result of fs_stat + * @returns {Boolean} indicates whether the file can be read +*/ +_hasReadPermissions(stats) { + if (this.options.ignorePermissionErrors) return true; + + // stats.mode may be bigint + const md = stats && Number.parseInt(stats.mode, 10); + const st = md & 0o777; + const it = Number.parseInt(st.toString(8)[0], 10); + return Boolean(4 & it); +} + +/** + * Handles emitting unlink events for + * files and directories, and via recursion, for + * files and directories within directories that are unlinked + * @param {String} directory within which the following item is located + * @param {String} item base path of item/directory + * @returns {void} +*/ +_remove(directory, item) { + // if what is being deleted is a directory, get that directory's paths + // for recursive deleting and cleaning of watched object + // if it is not a directory, nestedDirectoryChildren will be empty array + const path = path$1.join(directory, item); + const fullPath = path$1.resolve(path); + const isDirectory = this._watched.has(path) || this._watched.has(fullPath); + + // prevent duplicate handling in case of arriving here nearly simultaneously + // via multiple paths (such as _handleFile and _handleDir) + if (!this._throttle('remove', path, 100)) return; + + // if the only watched file is removed, watch for its return + if (!isDirectory && !this.options.useFsEvents && this._watched.size === 1) { + this.add(directory, item, true); + } + + // This will create a new entry in the watched object in either case + // so we got to do the directory check beforehand + const wp = this._getWatchedDir(path); + const nestedDirectoryChildren = wp.getChildren(); + + // Recursively remove children directories / files. + nestedDirectoryChildren.forEach(nested => this._remove(path, nested)); + + // Check if item was on the watched list and remove it + const parent = this._getWatchedDir(directory); + const wasTracked = parent.has(item); + parent.remove(item); + + // If we wait for this file to be fully written, cancel the wait. + let relPath = path; + if (this.options.cwd) relPath = path$1.relative(this.options.cwd, path); + if (this.options.awaitWriteFinish && this._pendingWrites.has(relPath)) { + const event = this._pendingWrites.get(relPath).cancelWait(); + if (event === EV_ADD$2) return; + } + + // The Entry will either be a directory that just got removed + // or a bogus entry to a file, in either case we have to remove it + this._watched.delete(path); + this._watched.delete(fullPath); + const eventName = isDirectory ? EV_UNLINK_DIR : EV_UNLINK$1; + if (wasTracked && !this._isIgnored(path)) this._emit(eventName, path); + + // Avoid conflicts if we later create another file with the same name + if (!this.options.useFsEvents) { + this._closePath(path); + } +} + +/** + * + * @param {Path} path + */ +_closePath(path) { + const closers = this._closers.get(path); + if (!closers) return; + closers.forEach(closer => closer()); + this._closers.delete(path); + const dir = path$1.dirname(path); + this._getWatchedDir(dir).remove(path$1.basename(path)); +} + +/** + * + * @param {Path} path + * @param {Function} closer + */ +_addPathCloser(path, closer) { + if (!closer) return; + let list = this._closers.get(path); + if (!list) { + list = []; + this._closers.set(path, list); + } + list.push(closer); +} + +_readdirp(root, opts) { + if (this.closed) return; + const options = {type: EV_ALL, alwaysStat: true, lstat: true, ...opts}; + let stream = readdirp_1(root, options); + this._streams.add(stream); + stream.once(STR_CLOSE, () => { + stream = undefined; + }); + stream.once(STR_END$2, () => { + if (stream) { + this._streams.delete(stream); + stream = undefined; + } + }); + return stream; +} + +} + +// Export FSWatcher class +var FSWatcher_1 = FSWatcher; + +/** + * Instantiates watcher with paths to be tracked. + * @param {String|Array} paths file/directory paths and/or globs + * @param {Object=} options chokidar opts + * @returns an instance of FSWatcher for chaining. + */ +const watch = (paths, options) => { + const watcher = new FSWatcher(options); + watcher.add(paths); + return watcher; +}; + +var watch_1 = watch; + +var chokidar = { + FSWatcher: FSWatcher_1, + watch: watch_1 +}; + +var textTable = function (rows_, opts) { + if (!opts) opts = {}; + var hsep = opts.hsep === undefined ? ' ' : opts.hsep; + var align = opts.align || []; + var stringLength = opts.stringLength + || function (s) { return String(s).length; } + ; + + var dotsizes = reduce(rows_, function (acc, row) { + forEach(row, function (c, ix) { + var n = dotindex(c); + if (!acc[ix] || n > acc[ix]) acc[ix] = n; + }); + return acc; + }, []); + + var rows = map$1(rows_, function (row) { + return map$1(row, function (c_, ix) { + var c = String(c_); + if (align[ix] === '.') { + var index = dotindex(c); + var size = dotsizes[ix] + (/\./.test(c) ? 1 : 2) + - (stringLength(c) - index) + ; + return c + Array(size).join(' '); + } + else return c; + }); + }); + + var sizes = reduce(rows, function (acc, row) { + forEach(row, function (c, ix) { + var n = stringLength(c); + if (!acc[ix] || n > acc[ix]) acc[ix] = n; + }); + return acc; + }, []); + + return map$1(rows, function (row) { + return map$1(row, function (c, ix) { + var n = (sizes[ix] - stringLength(c)) || 0; + var s = Array(Math.max(n + 1, 1)).join(' '); + if (align[ix] === 'r' || align[ix] === '.') { + return s + c; + } + if (align[ix] === 'c') { + return Array(Math.ceil(n / 2 + 1)).join(' ') + + c + Array(Math.floor(n / 2 + 1)).join(' ') + ; + } + + return c + s; + }).join(hsep).replace(/\s+$/, ''); + }).join('\n'); +}; + +function dotindex (c) { + var m = /\.[^.]*$/.exec(c); + return m ? m.index + 1 : c.length; +} + +function reduce (xs, f, init) { + if (xs.reduce) return xs.reduce(f, init); + var i = 0; + var acc = arguments.length >= 3 ? init : xs[i++]; + for (; i < xs.length; i++) { + f(acc, xs[i], i); + } + return acc; +} + +function forEach (xs, f) { + if (xs.forEach) return xs.forEach(f); + for (var i = 0; i < xs.length; i++) { + f.call(xs, xs[i], i); + } +} + +function map$1 (xs, f) { + if (xs.map) return xs.map(f); + var res = []; + for (var i = 0; i < xs.length; i++) { + res.push(f.call(xs, xs[i], i)); + } + return res; +} + +const preserveCamelCase = string => { + let isLastCharLower = false; + let isLastCharUpper = false; + let isLastLastCharUpper = false; + + for (let i = 0; i < string.length; i++) { + const character = string[i]; + + if (isLastCharLower && /[a-zA-Z]/.test(character) && character.toUpperCase() === character) { + string = string.slice(0, i) + '-' + string.slice(i); + isLastCharLower = false; + isLastLastCharUpper = isLastCharUpper; + isLastCharUpper = true; + i++; + } else if (isLastCharUpper && isLastLastCharUpper && /[a-zA-Z]/.test(character) && character.toLowerCase() === character) { + string = string.slice(0, i - 1) + '-' + string.slice(i - 1); + isLastLastCharUpper = isLastCharUpper; + isLastCharUpper = false; + isLastCharLower = true; + } else { + isLastCharLower = character.toLowerCase() === character && character.toUpperCase() !== character; + isLastLastCharUpper = isLastCharUpper; + isLastCharUpper = character.toUpperCase() === character && character.toLowerCase() !== character; + } + } + + return string; +}; + +const camelCase = (input, options) => { + if (!(typeof input === 'string' || Array.isArray(input))) { + throw new TypeError('Expected the input to be `string | string[]`'); + } + + options = Object.assign({ + pascalCase: false + }, options); + + const postProcess = x => options.pascalCase ? x.charAt(0).toUpperCase() + x.slice(1) : x; + + if (Array.isArray(input)) { + input = input.map(x => x.trim()) + .filter(x => x.length) + .join('-'); + } else { + input = input.trim(); + } + + if (input.length === 0) { + return ''; + } + + if (input.length === 1) { + return options.pascalCase ? input.toUpperCase() : input.toLowerCase(); + } + + const hasUpperCase = input !== input.toLowerCase(); + + if (hasUpperCase) { + input = preserveCamelCase(input); + } + + input = input + .replace(/^[_.\- ]+/, '') + .toLowerCase() + .replace(/[_.\- ]+(\w|$)/g, (_, p1) => p1.toUpperCase()) + .replace(/\d+(\w|$)/g, m => m.toUpperCase()); + + return postProcess(input); +}; + +var camelcase = camelCase; +// TODO: Remove this for the next major release +var default_1$2 = camelCase; +camelcase.default = default_1$2; + +// This is a generated file. Do not edit. +var Space_Separator = /[\u1680\u2000-\u200A\u202F\u205F\u3000]/; +var ID_Start = 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3[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC03-\uDC37\uDC83-\uDCAF\uDCD0-\uDCE8\uDD03-\uDD26\uDD50-\uDD72\uDD76\uDD83-\uDDB2\uDDC1-\uDDC4\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE2B\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEDE\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3D\uDF50\uDF5D-\uDF61]|\uD805[\uDC00-\uDC34\uDC47-\uDC4A\uDC80-\uDCAF\uDCC4\uDCC5\uDCC7\uDD80-\uDDAE\uDDD8-\uDDDB\uDE00-\uDE2F\uDE44\uDE80-\uDEAA\uDF00-\uDF19]|\uD806[\uDCA0-\uDCDF\uDCFF\uDE00\uDE0B-\uDE32\uDE3A\uDE50\uDE5C-\uDE83\uDE86-\uDE89\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC2E\uDC40\uDC72-\uDC8F\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD30\uDD46]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDED0-\uDEED\uDF00-\uDF2F\uDF40-\uDF43\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50\uDF93-\uDF9F\uDFE0\uDFE1]|\uD821[\uDC00-\uDFEC]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDC00-\uDD1E\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB]|\uD83A[\uDC00-\uDCC4\uDD00-\uDD43]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]/; +var ID_Continue = /[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u0860-\u086A\u08A0-\u08B4\u08B6-\u08BD\u08D4-\u08E1\u08E3-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u09FC\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0AF9-\u0AFF\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C60-\u0C63\u0C66-\u0C6F\u0C80-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D00-\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D54-\u0D57\u0D5F-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19D9\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1CD0-\u1CD2\u1CD4-\u1CF9\u1D00-\u1DF9\u1DFB-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u2E2F\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099\u309A\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312E\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FEA\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AE\uA7B0-\uA7B7\uA7F7-\uA827\uA840-\uA873\uA880-\uA8C5\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA8FD\uA900-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uA9E0-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE2F\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF3F\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDDFD\uDE80-\uDE9C\uDEA0-\uDED0\uDEE0\uDF00-\uDF1F\uDF2D-\uDF4A\uDF50-\uDF7A\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00-\uDE03\uDE05\uDE06\uDE0C-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE38-\uDE3A\uDE3F\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE6\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC00-\uDC46\uDC66-\uDC6F\uDC7F-\uDCBA\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD00-\uDD34\uDD36-\uDD3F\uDD50-\uDD73\uDD76\uDD80-\uDDC4\uDDCA-\uDDCC\uDDD0-\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE37\uDE3E\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEEA\uDEF0-\uDEF9\uDF00-\uDF03\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3C-\uDF44\uDF47\uDF48\uDF4B-\uDF4D\uDF50\uDF57\uDF5D-\uDF63\uDF66-\uDF6C\uDF70-\uDF74]|\uD805[\uDC00-\uDC4A\uDC50-\uDC59\uDC80-\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDB5\uDDB8-\uDDC0\uDDD8-\uDDDD\uDE00-\uDE40\uDE44\uDE50-\uDE59\uDE80-\uDEB7\uDEC0-\uDEC9\uDF00-\uDF19\uDF1D-\uDF2B\uDF30-\uDF39]|\uD806[\uDCA0-\uDCE9\uDCFF\uDE00-\uDE3E\uDE47\uDE50-\uDE83\uDE86-\uDE99\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC36\uDC38-\uDC40\uDC50-\uDC59\uDC72-\uDC8F\uDC92-\uDCA7\uDCA9-\uDCB6\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD36\uDD3A\uDD3C\uDD3D\uDD3F-\uDD47\uDD50-\uDD59]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDED0-\uDEED\uDEF0-\uDEF4\uDF00-\uDF36\uDF40-\uDF43\uDF50-\uDF59\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50-\uDF7E\uDF8F-\uDF9F\uDFE0\uDFE1]|\uD821[\uDC00-\uDFEC]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDC00-\uDD1E\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99\uDC9D\uDC9E]|\uD834[\uDD65-\uDD69\uDD6D-\uDD72\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD836[\uDE00-\uDE36\uDE3B-\uDE6C\uDE75\uDE84\uDE9B-\uDE9F\uDEA1-\uDEAF]|\uD838[\uDC00-\uDC06\uDC08-\uDC18\uDC1B-\uDC21\uDC23\uDC24\uDC26-\uDC2A]|\uD83A[\uDC00-\uDCC4\uDCD0-\uDCD6\uDD00-\uDD4A\uDD50-\uDD59]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]|\uDB40[\uDD00-\uDDEF]/; + +var unicode = { + Space_Separator: Space_Separator, + ID_Start: ID_Start, + ID_Continue: ID_Continue +}; + +var util = { + isSpaceSeparator (c) { + return unicode.Space_Separator.test(c) + }, + + isIdStartChar (c) { + return ( + (c >= 'a' && c <= 'z') || + (c >= 'A' && c <= 'Z') || + (c === '$') || (c === '_') || + unicode.ID_Start.test(c) + ) + }, + + isIdContinueChar (c) { + return ( + (c >= 'a' && c <= 'z') || + (c >= 'A' && c <= 'Z') || + (c >= '0' && c <= '9') || + (c === '$') || (c === '_') || + (c === '\u200C') || (c === '\u200D') || + unicode.ID_Continue.test(c) + ) + }, + + isDigit (c) { + return /[0-9]/.test(c) + }, + + isHexDigit (c) { + return /[0-9A-Fa-f]/.test(c) + }, +}; + +let source; +let parseState; +let stack; +let pos; +let line; +let column; +let token; +let key; +let root; + +var parse$7 = function parse (text, reviver) { + source = String(text); + parseState = 'start'; + stack = []; + pos = 0; + line = 1; + column = 0; + token = undefined; + key = undefined; + root = undefined; + + do { + token = lex(); + + // This code is unreachable. + // if (!parseStates[parseState]) { + // throw invalidParseState() + // } + + parseStates[parseState](); + } while (token.type !== 'eof') + + if (typeof reviver === 'function') { + return internalize({'': root}, '', reviver) + } + + return root +}; + +function internalize (holder, name, reviver) { + const value = holder[name]; + if (value != null && typeof value === 'object') { + for (const key in value) { + const replacement = internalize(value, key, reviver); + if (replacement === undefined) { + delete value[key]; + } else { + value[key] = replacement; + } + } + } + + return reviver.call(holder, name, value) +} + +let lexState; +let buffer; +let doubleQuote; +let sign; +let c; + +function lex () { + lexState = 'default'; + buffer = ''; + doubleQuote = false; + sign = 1; + + for (;;) { + c = peek(); + + // This code is unreachable. + // if (!lexStates[lexState]) { + // throw invalidLexState(lexState) + // } + + const token = lexStates[lexState](); + if (token) { + return token + } + } +} + +function peek () { + if (source[pos]) { + return String.fromCodePoint(source.codePointAt(pos)) + } +} + +function read$4 () { + const c = peek(); + + if (c === '\n') { + line++; + column = 0; + } else if (c) { + column += c.length; + } else { + column++; + } + + if (c) { + pos += c.length; + } + + return c +} + +const lexStates = { + default () { + switch (c) { + case '\t': + case '\v': + case '\f': + case ' ': + case '\u00A0': + case '\uFEFF': + case '\n': + case '\r': + case '\u2028': + case '\u2029': + read$4(); + return + + case '/': + read$4(); + lexState = 'comment'; + return + + case undefined: + read$4(); + return newToken('eof') + } + + if (util.isSpaceSeparator(c)) { + read$4(); + return + } + + // This code is unreachable. + // if (!lexStates[parseState]) { + // throw invalidLexState(parseState) + // } + + return lexStates[parseState]() + }, + + comment () { + switch (c) { + case '*': + read$4(); + lexState = 'multiLineComment'; + return + + case '/': + read$4(); + lexState = 'singleLineComment'; + return + } + + throw invalidChar(read$4()) + }, + + multiLineComment () { + switch (c) { + case '*': + read$4(); + lexState = 'multiLineCommentAsterisk'; + return + + case undefined: + throw invalidChar(read$4()) + } + + read$4(); + }, + + multiLineCommentAsterisk () { + switch (c) { + case '*': + read$4(); + return + + case '/': + read$4(); + lexState = 'default'; + return + + case undefined: + throw invalidChar(read$4()) + } + + read$4(); + lexState = 'multiLineComment'; + }, + + singleLineComment () { + switch (c) { + case '\n': + case '\r': + case '\u2028': + case '\u2029': + read$4(); + lexState = 'default'; + return + + case undefined: + read$4(); + return newToken('eof') + } + + read$4(); + }, + + value () { + switch (c) { + case '{': + case '[': + return newToken('punctuator', read$4()) + + case 'n': + read$4(); + literal('ull'); + return newToken('null', null) + + case 't': + read$4(); + literal('rue'); + return newToken('boolean', true) + + case 'f': + read$4(); + literal('alse'); + return newToken('boolean', false) + + case '-': + case '+': + if (read$4() === '-') { + sign = -1; + } + + lexState = 'sign'; + return + + case '.': + buffer = read$4(); + lexState = 'decimalPointLeading'; + return + + case '0': + buffer = read$4(); + lexState = 'zero'; + return + + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + buffer = read$4(); + lexState = 'decimalInteger'; + return + + case 'I': + read$4(); + literal('nfinity'); + return newToken('numeric', Infinity) + + case 'N': + read$4(); + literal('aN'); + return newToken('numeric', NaN) + + case '"': + case "'": + doubleQuote = (read$4() === '"'); + buffer = ''; + lexState = 'string'; + return + } + + throw invalidChar(read$4()) + }, + + identifierNameStartEscape () { + if (c !== 'u') { + throw invalidChar(read$4()) + } + + read$4(); + const u = unicodeEscape(); + switch (u) { + case '$': + case '_': + break + + default: + if (!util.isIdStartChar(u)) { + throw invalidIdentifier() + } + + break + } + + buffer += u; + lexState = 'identifierName'; + }, + + identifierName () { + switch (c) { + case '$': + case '_': + case '\u200C': + case '\u200D': + buffer += read$4(); + return + + case '\\': + read$4(); + lexState = 'identifierNameEscape'; + return + } + + if (util.isIdContinueChar(c)) { + buffer += read$4(); + return + } + + return newToken('identifier', buffer) + }, + + identifierNameEscape () { + if (c !== 'u') { + throw invalidChar(read$4()) + } + + read$4(); + const u = unicodeEscape(); + switch (u) { + case '$': + case '_': + case '\u200C': + case '\u200D': + break + + default: + if (!util.isIdContinueChar(u)) { + throw invalidIdentifier() + } + + break + } + + buffer += u; + lexState = 'identifierName'; + }, + + sign () { + switch (c) { + case '.': + buffer = read$4(); + lexState = 'decimalPointLeading'; + return + + case '0': + buffer = read$4(); + lexState = 'zero'; + return + + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + buffer = read$4(); + lexState = 'decimalInteger'; + return + + case 'I': + read$4(); + literal('nfinity'); + return newToken('numeric', sign * Infinity) + + case 'N': + read$4(); + literal('aN'); + return newToken('numeric', NaN) + } + + throw invalidChar(read$4()) + }, + + zero () { + switch (c) { + case '.': + buffer += read$4(); + lexState = 'decimalPoint'; + return + + case 'e': + case 'E': + buffer += read$4(); + lexState = 'decimalExponent'; + return + + case 'x': + case 'X': + buffer += read$4(); + lexState = 'hexadecimal'; + return + } + + return newToken('numeric', sign * 0) + }, + + decimalInteger () { + switch (c) { + case '.': + buffer += read$4(); + lexState = 'decimalPoint'; + return + + case 'e': + case 'E': + buffer += read$4(); + lexState = 'decimalExponent'; + return + } + + if (util.isDigit(c)) { + buffer += read$4(); + return + } + + return newToken('numeric', sign * Number(buffer)) + }, + + decimalPointLeading () { + if (util.isDigit(c)) { + buffer += read$4(); + lexState = 'decimalFraction'; + return + } + + throw invalidChar(read$4()) + }, + + decimalPoint () { + switch (c) { + case 'e': + case 'E': + buffer += read$4(); + lexState = 'decimalExponent'; + return + } + + if (util.isDigit(c)) { + buffer += read$4(); + lexState = 'decimalFraction'; + return + } + + return newToken('numeric', sign * Number(buffer)) + }, + + decimalFraction () { + switch (c) { + case 'e': + case 'E': + buffer += read$4(); + lexState = 'decimalExponent'; + return + } + + if (util.isDigit(c)) { + buffer += read$4(); + return + } + + return newToken('numeric', sign * Number(buffer)) + }, + + decimalExponent () { + switch (c) { + case '+': + case '-': + buffer += read$4(); + lexState = 'decimalExponentSign'; + return + } + + if (util.isDigit(c)) { + buffer += read$4(); + lexState = 'decimalExponentInteger'; + return + } + + throw invalidChar(read$4()) + }, + + decimalExponentSign () { + if (util.isDigit(c)) { + buffer += read$4(); + lexState = 'decimalExponentInteger'; + return + } + + throw invalidChar(read$4()) + }, + + decimalExponentInteger () { + if (util.isDigit(c)) { + buffer += read$4(); + return + } + + return newToken('numeric', sign * Number(buffer)) + }, + + hexadecimal () { + if (util.isHexDigit(c)) { + buffer += read$4(); + lexState = 'hexadecimalInteger'; + return + } + + throw invalidChar(read$4()) + }, + + hexadecimalInteger () { + if (util.isHexDigit(c)) { + buffer += read$4(); + return + } + + return newToken('numeric', sign * Number(buffer)) + }, + + string () { + switch (c) { + case '\\': + read$4(); + buffer += escape(); + return + + case '"': + if (doubleQuote) { + read$4(); + return newToken('string', buffer) + } + + buffer += read$4(); + return + + case "'": + if (!doubleQuote) { + read$4(); + return newToken('string', buffer) + } + + buffer += read$4(); + return + + case '\n': + case '\r': + throw invalidChar(read$4()) + + case '\u2028': + case '\u2029': + separatorChar(c); + break + + case undefined: + throw invalidChar(read$4()) + } + + buffer += read$4(); + }, + + start () { + switch (c) { + case '{': + case '[': + return newToken('punctuator', read$4()) + + // This code is unreachable since the default lexState handles eof. + // case undefined: + // return newToken('eof') + } + + lexState = 'value'; + }, + + beforePropertyName () { + switch (c) { + case '$': + case '_': + buffer = read$4(); + lexState = 'identifierName'; + return + + case '\\': + read$4(); + lexState = 'identifierNameStartEscape'; + return + + case '}': + return newToken('punctuator', read$4()) + + case '"': + case "'": + doubleQuote = (read$4() === '"'); + lexState = 'string'; + return + } + + if (util.isIdStartChar(c)) { + buffer += read$4(); + lexState = 'identifierName'; + return + } + + throw invalidChar(read$4()) + }, + + afterPropertyName () { + if (c === ':') { + return newToken('punctuator', read$4()) + } + + throw invalidChar(read$4()) + }, + + beforePropertyValue () { + lexState = 'value'; + }, + + afterPropertyValue () { + switch (c) { + case ',': + case '}': + return newToken('punctuator', read$4()) + } + + throw invalidChar(read$4()) + }, + + beforeArrayValue () { + if (c === ']') { + return newToken('punctuator', read$4()) + } + + lexState = 'value'; + }, + + afterArrayValue () { + switch (c) { + case ',': + case ']': + return newToken('punctuator', read$4()) + } + + throw invalidChar(read$4()) + }, + + end () { + // This code is unreachable since it's handled by the default lexState. + // if (c === undefined) { + // read() + // return newToken('eof') + // } + + throw invalidChar(read$4()) + }, +}; + +function newToken (type, value) { + return { + type, + value, + line, + column, + } +} + +function literal (s) { + for (const c of s) { + const p = peek(); + + if (p !== c) { + throw invalidChar(read$4()) + } + + read$4(); + } +} + +function escape () { + const c = peek(); + switch (c) { + case 'b': + read$4(); + return '\b' + + case 'f': + read$4(); + return '\f' + + case 'n': + read$4(); + return '\n' + + case 'r': + read$4(); + return '\r' + + case 't': + read$4(); + return '\t' + + case 'v': + read$4(); + return '\v' + + case '0': + read$4(); + if (util.isDigit(peek())) { + throw invalidChar(read$4()) + } + + return '\0' + + case 'x': + read$4(); + return hexEscape() + + case 'u': + read$4(); + return unicodeEscape() + + case '\n': + case '\u2028': + case '\u2029': + read$4(); + return '' + + case '\r': + read$4(); + if (peek() === '\n') { + read$4(); + } + + return '' + + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + throw invalidChar(read$4()) + + case undefined: + throw invalidChar(read$4()) + } + + return read$4() +} + +function hexEscape () { + let buffer = ''; + let c = peek(); + + if (!util.isHexDigit(c)) { + throw invalidChar(read$4()) + } + + buffer += read$4(); + + c = peek(); + if (!util.isHexDigit(c)) { + throw invalidChar(read$4()) + } + + buffer += read$4(); + + return String.fromCodePoint(parseInt(buffer, 16)) +} + +function unicodeEscape () { + let buffer = ''; + let count = 4; + + while (count-- > 0) { + const c = peek(); + if (!util.isHexDigit(c)) { + throw invalidChar(read$4()) + } + + buffer += read$4(); + } + + return String.fromCodePoint(parseInt(buffer, 16)) +} + +const parseStates = { + start () { + if (token.type === 'eof') { + throw invalidEOF() + } + + push(); + }, + + beforePropertyName () { + switch (token.type) { + case 'identifier': + case 'string': + key = token.value; + parseState = 'afterPropertyName'; + return + + case 'punctuator': + // This code is unreachable since it's handled by the lexState. + // if (token.value !== '}') { + // throw invalidToken() + // } + + pop(); + return + + case 'eof': + throw invalidEOF() + } + + // This code is unreachable since it's handled by the lexState. + // throw invalidToken() + }, + + afterPropertyName () { + // This code is unreachable since it's handled by the lexState. + // if (token.type !== 'punctuator' || token.value !== ':') { + // throw invalidToken() + // } + + if (token.type === 'eof') { + throw invalidEOF() + } + + parseState = 'beforePropertyValue'; + }, + + beforePropertyValue () { + if (token.type === 'eof') { + throw invalidEOF() + } + + push(); + }, + + beforeArrayValue () { + if (token.type === 'eof') { + throw invalidEOF() + } + + if (token.type === 'punctuator' && token.value === ']') { + pop(); + return + } + + push(); + }, + + afterPropertyValue () { + // This code is unreachable since it's handled by the lexState. + // if (token.type !== 'punctuator') { + // throw invalidToken() + // } + + if (token.type === 'eof') { + throw invalidEOF() + } + + switch (token.value) { + case ',': + parseState = 'beforePropertyName'; + return + + case '}': + pop(); + } + + // This code is unreachable since it's handled by the lexState. + // throw invalidToken() + }, + + afterArrayValue () { + // This code is unreachable since it's handled by the lexState. + // if (token.type !== 'punctuator') { + // throw invalidToken() + // } + + if (token.type === 'eof') { + throw invalidEOF() + } + + switch (token.value) { + case ',': + parseState = 'beforeArrayValue'; + return + + case ']': + pop(); + } + + // This code is unreachable since it's handled by the lexState. + // throw invalidToken() + }, + + end () { + // This code is unreachable since it's handled by the lexState. + // if (token.type !== 'eof') { + // throw invalidToken() + // } + }, +}; + +function push () { + let value; + + switch (token.type) { + case 'punctuator': + switch (token.value) { + case '{': + value = {}; + break + + case '[': + value = []; + break + } + + break + + case 'null': + case 'boolean': + case 'numeric': + case 'string': + value = token.value; + break + + // This code is unreachable. + // default: + // throw invalidToken() + } + + if (root === undefined) { + root = value; + } else { + const parent = stack[stack.length - 1]; + if (Array.isArray(parent)) { + parent.push(value); + } else { + parent[key] = value; + } + } + + if (value !== null && typeof value === 'object') { + stack.push(value); + + if (Array.isArray(value)) { + parseState = 'beforeArrayValue'; + } else { + parseState = 'beforePropertyName'; + } + } else { + const current = stack[stack.length - 1]; + if (current == null) { + parseState = 'end'; + } else if (Array.isArray(current)) { + parseState = 'afterArrayValue'; + } else { + parseState = 'afterPropertyValue'; + } + } +} + +function pop () { + stack.pop(); + + const current = stack[stack.length - 1]; + if (current == null) { + parseState = 'end'; + } else if (Array.isArray(current)) { + parseState = 'afterArrayValue'; + } else { + parseState = 'afterPropertyValue'; + } +} + +// This code is unreachable. +// function invalidParseState () { +// return new Error(`JSON5: invalid parse state '${parseState}'`) +// } + +// This code is unreachable. +// function invalidLexState (state) { +// return new Error(`JSON5: invalid lex state '${state}'`) +// } + +function invalidChar (c) { + if (c === undefined) { + return syntaxError$1(`JSON5: invalid end of input at ${line}:${column}`) + } + + return syntaxError$1(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`) +} + +function invalidEOF () { + return syntaxError$1(`JSON5: invalid end of input at ${line}:${column}`) +} + +// This code is unreachable. +// function invalidToken () { +// if (token.type === 'eof') { +// return syntaxError(`JSON5: invalid end of input at ${line}:${column}`) +// } + +// const c = String.fromCodePoint(token.value.codePointAt(0)) +// return syntaxError(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`) +// } + +function invalidIdentifier () { + column -= 5; + return syntaxError$1(`JSON5: invalid identifier character at ${line}:${column}`) +} + +function separatorChar (c) { + console.warn(`JSON5: '${formatChar(c)}' in strings is not valid ECMAScript; consider escaping`); +} + +function formatChar (c) { + const replacements = { + "'": "\\'", + '"': '\\"', + '\\': '\\\\', + '\b': '\\b', + '\f': '\\f', + '\n': '\\n', + '\r': '\\r', + '\t': '\\t', + '\v': '\\v', + '\0': '\\0', + '\u2028': '\\u2028', + '\u2029': '\\u2029', + }; + + if (replacements[c]) { + return replacements[c] + } + + if (c < ' ') { + const hexString = c.charCodeAt(0).toString(16); + return '\\x' + ('00' + hexString).substring(hexString.length) + } + + return c +} + +function syntaxError$1 (message) { + const err = new SyntaxError(message); + err.lineNumber = line; + err.columnNumber = column; + return err +} + +var stringify$5 = function stringify (value, replacer, space) { + const stack = []; + let indent = ''; + let propertyList; + let replacerFunc; + let gap = ''; + let quote; + + if ( + replacer != null && + typeof replacer === 'object' && + !Array.isArray(replacer) + ) { + space = replacer.space; + quote = replacer.quote; + replacer = replacer.replacer; + } + + if (typeof replacer === 'function') { + replacerFunc = replacer; + } else if (Array.isArray(replacer)) { + propertyList = []; + for (const v of replacer) { + let item; + + if (typeof v === 'string') { + item = v; + } else if ( + typeof v === 'number' || + v instanceof String || + v instanceof Number + ) { + item = String(v); + } + + if (item !== undefined && propertyList.indexOf(item) < 0) { + propertyList.push(item); + } + } + } + + if (space instanceof Number) { + space = Number(space); + } else if (space instanceof String) { + space = String(space); + } + + if (typeof space === 'number') { + if (space > 0) { + space = Math.min(10, Math.floor(space)); + gap = ' '.substr(0, space); + } + } else if (typeof space === 'string') { + gap = space.substr(0, 10); + } + + return serializeProperty('', {'': value}) + + function serializeProperty (key, holder) { + let value = holder[key]; + if (value != null) { + if (typeof value.toJSON5 === 'function') { + value = value.toJSON5(key); + } else if (typeof value.toJSON === 'function') { + value = value.toJSON(key); + } + } + + if (replacerFunc) { + value = replacerFunc.call(holder, key, value); + } + + if (value instanceof Number) { + value = Number(value); + } else if (value instanceof String) { + value = String(value); + } else if (value instanceof Boolean) { + value = value.valueOf(); + } + + switch (value) { + case null: return 'null' + case true: return 'true' + case false: return 'false' + } + + if (typeof value === 'string') { + return quoteString(value) + } + + if (typeof value === 'number') { + return String(value) + } + + if (typeof value === 'object') { + return Array.isArray(value) ? serializeArray(value) : serializeObject(value) + } + + return undefined + } + + function quoteString (value) { + const quotes = { + "'": 0.1, + '"': 0.2, + }; + + const replacements = { + "'": "\\'", + '"': '\\"', + '\\': '\\\\', + '\b': '\\b', + '\f': '\\f', + '\n': '\\n', + '\r': '\\r', + '\t': '\\t', + '\v': '\\v', + '\0': '\\0', + '\u2028': '\\u2028', + '\u2029': '\\u2029', + }; + + let product = ''; + + for (let i = 0; i < value.length; i++) { + const c = value[i]; + switch (c) { + case "'": + case '"': + quotes[c]++; + product += c; + continue + + case '\0': + if (util.isDigit(value[i + 1])) { + product += '\\x00'; + continue + } + } + + if (replacements[c]) { + product += replacements[c]; + continue + } + + if (c < ' ') { + let hexString = c.charCodeAt(0).toString(16); + product += '\\x' + ('00' + hexString).substring(hexString.length); + continue + } + + product += c; + } + + const quoteChar = quote || Object.keys(quotes).reduce((a, b) => (quotes[a] < quotes[b]) ? a : b); + + product = product.replace(new RegExp(quoteChar, 'g'), replacements[quoteChar]); + + return quoteChar + product + quoteChar + } + + function serializeObject (value) { + if (stack.indexOf(value) >= 0) { + throw TypeError('Converting circular structure to JSON5') + } + + stack.push(value); + + let stepback = indent; + indent = indent + gap; + + let keys = propertyList || Object.keys(value); + let partial = []; + for (const key of keys) { + const propertyString = serializeProperty(key, value); + if (propertyString !== undefined) { + let member = serializeKey(key) + ':'; + if (gap !== '') { + member += ' '; + } + member += propertyString; + partial.push(member); + } + } + + let final; + if (partial.length === 0) { + final = '{}'; + } else { + let properties; + if (gap === '') { + properties = partial.join(','); + final = '{' + properties + '}'; + } else { + let separator = ',\n' + indent; + properties = partial.join(separator); + final = '{\n' + indent + properties + ',\n' + stepback + '}'; + } + } + + stack.pop(); + indent = stepback; + return final + } + + function serializeKey (key) { + if (key.length === 0) { + return quoteString(key) + } + + const firstChar = String.fromCodePoint(key.codePointAt(0)); + if (!util.isIdStartChar(firstChar)) { + return quoteString(key) + } + + for (let i = firstChar.length; i < key.length; i++) { + if (!util.isIdContinueChar(String.fromCodePoint(key.codePointAt(i)))) { + return quoteString(key) + } + } + + return key + } + + function serializeArray (value) { + if (stack.indexOf(value) >= 0) { + throw TypeError('Converting circular structure to JSON5') + } + + stack.push(value); + + let stepback = indent; + indent = indent + gap; + + let partial = []; + for (let i = 0; i < value.length; i++) { + const propertyString = serializeProperty(String(i), value); + partial.push((propertyString !== undefined) ? propertyString : 'null'); + } + + let final; + if (partial.length === 0) { + final = '[]'; + } else { + if (gap === '') { + let properties = partial.join(','); + final = '[' + properties + ']'; + } else { + let separator = ',\n' + indent; + let properties = partial.join(separator); + final = '[\n' + indent + properties + ',\n' + stepback + ']'; + } + } + + stack.pop(); + indent = stepback; + return final + } +}; + +const JSON5 = { + parse: parse$7, + stringify: stringify$5, +}; + +var lib$2 = JSON5; + +var dist = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': lib$2 +}); + +var schema$1 = [ + { + long: "help", + description: "output usage information", + short: "h", + type: "boolean", + "default": false + }, + { + long: "version", + description: "output version number", + short: "v", + type: "boolean", + "default": false + }, + { + long: "output", + description: "specify output location", + short: "o", + value: "[path]" + }, + { + long: "rc-path", + description: "specify configuration file", + short: "r", + type: "string", + value: "" + }, + { + long: "ignore-path", + description: "specify ignore file", + short: "i", + type: "string", + value: "" + }, + { + long: "setting", + description: "specify settings", + short: "s", + type: "string", + value: "" + }, + { + long: "ext", + description: "specify extensions", + short: "e", + type: "string", + value: "" + }, + { + long: "use", + description: "use plugins", + short: "u", + type: "string", + value: "" + }, + { + long: "watch", + description: "watch for changes and reprocess", + short: "w", + type: "boolean", + "default": false + }, + { + long: "quiet", + description: "output only warnings and errors", + short: "q", + type: "boolean", + "default": false + }, + { + long: "silent", + description: "output only errors", + short: "S", + type: "boolean", + "default": false + }, + { + long: "frail", + description: "exit with 1 on warnings", + short: "f", + type: "boolean", + "default": false + }, + { + long: "tree", + description: "specify input and output as syntax tree", + short: "t", + type: "boolean", + "default": false + }, + { + long: "report", + description: "specify reporter", + type: "string", + value: "" + }, + { + long: "file-path", + description: "specify path to process as", + type: "string", + value: "" + }, + { + long: "ignore-pattern", + description: "specify ignore patterns", + type: "string", + value: "" + }, + { + long: "tree-in", + description: "specify input as syntax tree", + type: "boolean" + }, + { + long: "tree-out", + description: "output syntax tree", + type: "boolean" + }, + { + long: "inspect", + description: "output formatted syntax tree", + type: "boolean" + }, + { + long: "stdout", + description: "specify writing to stdout", + type: "boolean", + truelike: true + }, + { + long: "color", + description: "specify color in report", + type: "boolean", + "default": true + }, + { + long: "config", + description: "search for configuration files", + type: "boolean", + "default": true + }, + { + long: "ignore", + description: "search for ignore files", + type: "boolean", + "default": true + } +]; + +var schema$2 = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': schema$1 +}); + +var json5 = getCjsExportFromNamespace(dist); + +var schema$3 = getCjsExportFromNamespace(schema$2); + +var options_1 = options; + +// Schema for `minimist`. +var minischema = { + unknown: handleUnknownArgument, + default: {}, + alias: {}, + string: [], + boolean: [] +}; + +schema$3.forEach(addEach); + +// Parse CLI options. +function options(flags, configuration) { + var extension = configuration.extensions[0]; + var name = configuration.name; + var config = toCamelCase(minimist(flags, minischema)); + var help; + var ext; + var report; + + schema$3.forEach(function(option) { + if (option.type === 'string' && config[option.long] === '') { + throw fault_1('Missing value:%s', inspect$1(option).join(' ')) + } + }); + + ext = commaSeparated(config.ext); + report = reporter$1(config.report); + + help = [ + inspectAll(schema$3), + '', + 'Examples:', + '', + ' # Process `input.' + extension + '`', + ' $ ' + name + ' input.' + extension + ' -o output.' + extension, + '', + ' # Pipe', + ' $ ' + name + ' < input.' + extension + ' > output.' + extension, + '', + ' # Rewrite all applicable files', + ' $ ' + name + ' . -o' + ].join('\n'); + + return { + helpMessage: help, + // “hidden” feature, makes testing easier. + cwd: configuration.cwd, + processor: configuration.processor, + help: config.help, + version: config.version, + files: config._, + filePath: config.filePath, + watch: config.watch, + extensions: ext.length === 0 ? configuration.extensions : ext, + output: config.output, + out: config.stdout, + tree: config.tree, + treeIn: config.treeIn, + treeOut: config.treeOut, + inspect: config.inspect, + rcName: configuration.rcName, + packageField: configuration.packageField, + rcPath: config.rcPath, + detectConfig: config.config, + settings: settings(config.setting), + ignoreName: configuration.ignoreName, + ignorePath: config.ignorePath, + ignorePatterns: commaSeparated(config.ignorePattern), + detectIgnore: config.ignore, + pluginPrefix: configuration.pluginPrefix, + plugins: plugins(config.use), + reporter: report[0], + reporterOptions: report[1], + color: config.color, + silent: config.silent, + quiet: config.quiet, + frail: config.frail + } +} + +function addEach(option) { + var value = option.default; + + minischema.default[option.long] = value === undefined ? null : value; + + if (option.type in minischema) { + minischema[option.type].push(option.long); + } + + if (option.short) { + minischema.alias[option.short] = option.long; + } +} + +// Parse `extensions`. +function commaSeparated(value) { + return flatten$1(normalize$1(value).map(splitList)) +} + +// Parse `plugins`. +function plugins(value) { + var result = {}; + + normalize$1(value) + .map(splitOptions) + .forEach(function(value) { + result[value[0]] = value[1] ? parseConfig(value[1], {}) : null; + }); + + return result +} + +// Parse `reporter`: only one is accepted. +function reporter$1(value) { + var all = normalize$1(value) + .map(splitOptions) + .map(function(value) { + return [value[0], value[1] ? parseConfig(value[1], {}) : null] + }); + + return all[all.length - 1] || [] +} + +// Parse `settings`. +function settings(value) { + var cache = {}; + + normalize$1(value).forEach(function(value) { + parseConfig(value, cache); + }); + + return cache +} + +// Parse configuration. +function parseConfig(flags, cache) { + var flag; + var message; + + try { + flags = toCamelCase(parseJSON(flags)); + } catch (error) { + // Fix position + message = error.message.replace(/at(?= position)/, 'around'); + + throw fault_1('Cannot parse `%s` as JSON: %s', flags, message) + } + + for (flag in flags) { + cache[flag] = flags[flag]; + } + + return cache +} + +// Handle an unknown flag. +function handleUnknownArgument(flag) { + // Glob. + if (flag.charAt(0) !== '-') { + return + } + + // Long options, always unknown. + if (flag.charAt(1) === '-') { + throw fault_1('Unknown option `%s`, expected:\n%s', flag, inspectAll(schema$3)) + } + + // Short options, can be grouped. + flag + .slice(1) + .split('') + .forEach(each); + + function each(key) { + var length = schema$3.length; + var index = -1; + var option; + + while (++index < length) { + option = schema$3[index]; + + if (option.short === key) { + return + } + } + + throw fault_1( + 'Unknown short option `-%s`, expected:\n%s', + key, + inspectAll(schema$3.filter(short)) + ) + } + + function short(option) { + return option.short + } +} + +// Inspect all `options`. +function inspectAll(options) { + return textTable(options.map(inspect$1)) +} + +// Inspect one `option`. +function inspect$1(option) { + var description = option.description; + var long = option.long; + + if (option.default === true || option.truelike) { + description += ' (on by default)'; + long = '[no-]' + long; + } + + return [ + '', + option.short ? '-' + option.short : '', + '--' + long + (option.value ? ' ' + option.value : ''), + description + ] +} + +// Normalize `value`. +function normalize$1(value) { + if (!value) { + return [] + } + + if (typeof value === 'string') { + return [value] + } + + return flatten$1(value.map(normalize$1)) +} + +// Flatten `values`. +function flatten$1(values) { + return [].concat.apply([], values) +} + +function splitOptions(value) { + return value.split('=') +} + +function splitList(value) { + return value.split(',') +} + +// Transform the keys on an object to camel-case, recursivly. +function toCamelCase(object) { + var result = {}; + var value; + var key; + + for (key in object) { + value = object[key]; + + if (value && typeof value === 'object' && !('length' in value)) { + value = toCamelCase(value); + } + + result[camelcase(key)] = value; + } + + return result +} + +// Parse a (lazy?) JSON config. +function parseJSON(value) { + return json5.parse('{' + value + '}') +} + +var lib$3 = start; + +var noop$1 = Function.prototype; + +// Fake TTY stream. +var ttyStream = new stream.Readable(); +ttyStream.isTTY = true; + +// Exit, lazily, with the correct exit status code. +var exitStatus = 0; + +process.on('exit', onexit); + +// Handle uncaught errors, such as from unexpected async behaviour. +process.on('uncaughtException', fail$1); + +// Start the CLI. +function start(cliConfig) { + var config; + var output; + var watcher; + + try { + config = options_1(process.argv.slice(2), cliConfig); + } catch (error) { + return fail$1(error, true) + } + + if (config.help) { + process.stdout.write( + [ + 'Usage: ' + cliConfig.name + ' [options] [path | glob ...]', + '', + ' ' + cliConfig.description, + '', + 'Options:', + '', + config.helpMessage, + '' + ].join('\n'), + noop$1 + ); + + return + } + + if (config.version) { + process.stdout.write(cliConfig.version + '\n', noop$1); + + return + } + + // Modify `config` for watching. + if (config.watch) { + output = config.output; + + // Do not read from stdin(4). + config.streamIn = ttyStream; + + // Do not write to stdout(4). + config.out = false; + + process.stderr.write( + chalk.bold('Watching...') + ' (press CTRL+C to exit)\n', + noop$1 + ); + + // Prevent infinite loop if set to regeneration. + if (output === true) { + config.output = false; + + process.stderr.write( + chalk.yellow('Note') + ': Ignoring `--output` until exit.\n', + noop$1 + ); + } + } + + // Initial run. + lib$1(config, done); + + // Handle complete run. + function done(err, code, context) { + if (err) { + clean(); + fail$1(err); + } else { + exitStatus = code; + + if (config.watch && !watcher) { + subscribe(context); + } + } + } + + // Clean the watcher. + function clean() { + if (watcher) { + watcher.close(); + watcher = null; + } + } + + // Subscribe a chokidar watcher to all processed files. + function subscribe(context) { + watcher = chokidar + .watch(context.fileSet.origins, {cwd: config.cwd, ignoreInitial: true}) + .on('error', done) + .on('change', onchange); + + process.on('SIGINT', onsigint); + + function onchange(filePath) { + config.files = [filePath]; + + lib$1(config, done); + } + + function onsigint() { + // Hide the `^C` in terminal. + process.stderr.write('\n', noop$1); + + clean(); + + // Do another process if `output` specified regeneration. + if (output === true) { + config.output = output; + config.watch = false; + lib$1(config, done); + } + } + } +} + +// Print an error, optionally with stack. +function fail$1(err, pretty) { + var message = + (pretty ? String(err).trim() : err.stack) || + /* istanbul ignore next - Old versions of Node */ err; + + exitStatus = 1; + + process.stderr.write(message.trim() + '\n', noop$1); +} + +function onexit() { + /* eslint-disable unicorn/no-process-exit */ + process.exit(exitStatus); + /* eslint-enable unicorn/no-process-exit */ +} + +var unifiedArgs = lib$3; + +var markdownExtensions = [ + "md", + "markdown", + "mdown", + "mkdn", + "mkd", + "mdwn", + "mkdown", + "ron" +]; + +var markdownExtensions$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': markdownExtensions +}); + +var require$$0$1 = getCjsExportFromNamespace(markdownExtensions$1); + +var markdownExtensions$2 = require$$0$1; + +var hasOwn = Object.prototype.hasOwnProperty; +var toStr = Object.prototype.toString; +var defineProperty = Object.defineProperty; +var gOPD = Object.getOwnPropertyDescriptor; + +var isArray$1 = function isArray(arr) { + if (typeof Array.isArray === 'function') { + return Array.isArray(arr); + } + + return toStr.call(arr) === '[object Array]'; +}; + +var isPlainObject = function isPlainObject(obj) { + if (!obj || toStr.call(obj) !== '[object Object]') { + return false; + } + + var hasOwnConstructor = hasOwn.call(obj, 'constructor'); + var hasIsPrototypeOf = obj.constructor && obj.constructor.prototype && hasOwn.call(obj.constructor.prototype, 'isPrototypeOf'); + // Not own constructor property must be Object + if (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) { + return false; + } + + // Own properties are enumerated firstly, so to speed up, + // if last one is own, then all properties are own. + var key; + for (key in obj) { /**/ } + + return typeof key === 'undefined' || hasOwn.call(obj, key); +}; + +// If name is '__proto__', and Object.defineProperty is available, define __proto__ as an own property on target +var setProperty = function setProperty(target, options) { + if (defineProperty && options.name === '__proto__') { + defineProperty(target, options.name, { + enumerable: true, + configurable: true, + value: options.newValue, + writable: true + }); + } else { + target[options.name] = options.newValue; + } +}; + +// Return undefined instead of __proto__ if '__proto__' is not an own property +var getProperty = function getProperty(obj, name) { + if (name === '__proto__') { + if (!hasOwn.call(obj, name)) { + return void 0; + } else if (gOPD) { + // In early versions of node, obj['__proto__'] is buggy when obj has + // __proto__ as an own property. Object.getOwnPropertyDescriptor() works. + return gOPD(obj, name).value; + } + } + + return obj[name]; +}; + +var extend$3 = function extend() { + var options, name, src, copy, copyIsArray, clone; + var target = arguments[0]; + var i = 1; + var length = arguments.length; + var deep = false; + + // Handle a deep copy situation + if (typeof target === 'boolean') { + deep = target; + target = arguments[1] || {}; + // skip the boolean and the target + i = 2; + } + if (target == null || (typeof target !== 'object' && typeof target !== 'function')) { + target = {}; + } + + for (; i < length; ++i) { + options = arguments[i]; + // Only deal with non-null/undefined values + if (options != null) { + // Extend the base object + for (name in options) { + src = getProperty(target, name); + copy = getProperty(options, name); + + // Prevent never-ending loop + if (target !== copy) { + // Recurse if we're merging plain objects or arrays + if (deep && copy && (isPlainObject(copy) || (copyIsArray = isArray$1(copy)))) { + if (copyIsArray) { + copyIsArray = false; + clone = src && isArray$1(src) ? src : []; + } else { + clone = src && isPlainObject(src) ? src : {}; + } + + // Never move original objects, clone them + setProperty(target, { name: name, newValue: extend(deep, clone, copy) }); + + // Don't bring in undefined values + } else if (typeof copy !== 'undefined') { + setProperty(target, { name: name, newValue: copy }); + } + } + } + } + } + + // Return the modified object + return target; +}; + +var bail_1 = bail; + +function bail(err) { + if (err) { + throw err + } +} + +var isPlainObj = value => { + if (Object.prototype.toString.call(value) !== '[object Object]') { + return false; + } + + const prototype = Object.getPrototypeOf(value); + return prototype === null || prototype === Object.getPrototypeOf({}); +}; + +// Expose a frozen processor. +var unified_1 = unified().freeze(); + +var slice$3 = [].slice; +var own$2 = {}.hasOwnProperty; + +// Process pipeline. +var pipeline = trough_1() + .use(pipelineParse) + .use(pipelineRun) + .use(pipelineStringify); + +function pipelineParse(p, ctx) { + ctx.tree = p.parse(ctx.file); +} + +function pipelineRun(p, ctx, next) { + p.run(ctx.tree, ctx.file, done); + + function done(err, tree, file) { + if (err) { + next(err); + } else { + ctx.tree = tree; + ctx.file = file; + next(); + } + } +} + +function pipelineStringify(p, ctx) { + ctx.file.contents = p.stringify(ctx.tree, ctx.file); +} + +// Function to create the first processor. +function unified() { + var attachers = []; + var transformers = trough_1(); + var namespace = {}; + var frozen = false; + var freezeIndex = -1; + + // Data management. + processor.data = data; + + // Lock. + processor.freeze = freeze; + + // Plugins. + processor.attachers = attachers; + processor.use = use; + + // API. + processor.parse = parse; + processor.stringify = stringify; + processor.run = run; + processor.runSync = runSync; + processor.process = process; + processor.processSync = processSync; + + // Expose. + return processor + + // Create a new processor based on the processor in the current scope. + function processor() { + var destination = unified(); + var length = attachers.length; + var index = -1; + + while (++index < length) { + destination.use.apply(null, attachers[index]); + } + + destination.data(extend$3(true, {}, namespace)); + + return destination + } + + // Freeze: used to signal a processor that has finished configuration. + // + // For example, take unified itself: it’s frozen. + // Plugins should not be added to it. + // Rather, it should be extended, by invoking it, before modifying it. + // + // In essence, always invoke this when exporting a processor. + function freeze() { + var values; + var plugin; + var options; + var transformer; + + if (frozen) { + return processor + } + + while (++freezeIndex < attachers.length) { + values = attachers[freezeIndex]; + plugin = values[0]; + options = values[1]; + transformer = null; + + if (options === false) { + continue + } + + if (options === true) { + values[1] = undefined; + } + + transformer = plugin.apply(processor, values.slice(1)); + + if (typeof transformer === 'function') { + transformers.use(transformer); + } + } + + frozen = true; + freezeIndex = Infinity; + + return processor + } + + // Data management. + // Getter / setter for processor-specific informtion. + function data(key, value) { + if (typeof key === 'string') { + // Set `key`. + if (arguments.length === 2) { + assertUnfrozen('data', frozen); + + namespace[key] = value; + + return processor + } + + // Get `key`. + return (own$2.call(namespace, key) && namespace[key]) || null + } + + // Set space. + if (key) { + assertUnfrozen('data', frozen); + namespace = key; + return processor + } + + // Get space. + return namespace + } + + // Plugin management. + // + // Pass it: + // * an attacher and options, + // * a preset, + // * a list of presets, attachers, and arguments (list of attachers and + // options). + function use(value) { + var settings; + + assertUnfrozen('use', frozen); + + if (value === null || value === undefined) ; else if (typeof value === 'function') { + addPlugin.apply(null, arguments); + } else if (typeof value === 'object') { + if ('length' in value) { + addList(value); + } else { + addPreset(value); + } + } else { + throw new Error('Expected usable value, not `' + value + '`') + } + + if (settings) { + namespace.settings = extend$3(namespace.settings || {}, settings); + } + + return processor + + function addPreset(result) { + addList(result.plugins); + + if (result.settings) { + settings = extend$3(settings || {}, result.settings); + } + } + + function add(value) { + if (typeof value === 'function') { + addPlugin(value); + } else if (typeof value === 'object') { + if ('length' in value) { + addPlugin.apply(null, value); + } else { + addPreset(value); + } + } else { + throw new Error('Expected usable value, not `' + value + '`') + } + } + + function addList(plugins) { + var length; + var index; + + if (plugins === null || plugins === undefined) ; else if (typeof plugins === 'object' && 'length' in plugins) { + length = plugins.length; + index = -1; + + while (++index < length) { + add(plugins[index]); + } + } else { + throw new Error('Expected a list of plugins, not `' + plugins + '`') + } + } + + function addPlugin(plugin, value) { + var entry = find(plugin); + + if (entry) { + if (isPlainObj(entry[1]) && isPlainObj(value)) { + value = extend$3(entry[1], value); + } + + entry[1] = value; + } else { + attachers.push(slice$3.call(arguments)); + } + } + } + + function find(plugin) { + var length = attachers.length; + var index = -1; + var entry; + + while (++index < length) { + entry = attachers[index]; + + if (entry[0] === plugin) { + return entry + } + } + } + + // Parse a file (in string or vfile representation) into a unist node using + // the `Parser` on the processor. + function parse(doc) { + var file = vfile(doc); + var Parser; + + freeze(); + Parser = processor.Parser; + assertParser('parse', Parser); + + if (newable(Parser, 'parse')) { + return new Parser(String(file), file).parse() + } + + return Parser(String(file), file) // eslint-disable-line new-cap + } + + // Run transforms on a unist node representation of a file (in string or + // vfile representation), async. + function run(node, file, cb) { + assertNode(node); + freeze(); + + if (!cb && typeof file === 'function') { + cb = file; + file = null; + } + + if (!cb) { + return new Promise(executor) + } + + executor(null, cb); + + function executor(resolve, reject) { + transformers.run(node, vfile(file), done); + + function done(err, tree, file) { + tree = tree || node; + if (err) { + reject(err); + } else if (resolve) { + resolve(tree); + } else { + cb(null, tree, file); + } + } + } + } + + // Run transforms on a unist node representation of a file (in string or + // vfile representation), sync. + function runSync(node, file) { + var complete = false; + var result; + + run(node, file, done); + + assertDone('runSync', 'run', complete); + + return result + + function done(err, tree) { + complete = true; + bail_1(err); + result = tree; + } + } + + // Stringify a unist node representation of a file (in string or vfile + // representation) into a string using the `Compiler` on the processor. + function stringify(node, doc) { + var file = vfile(doc); + var Compiler; + + freeze(); + Compiler = processor.Compiler; + assertCompiler('stringify', Compiler); + assertNode(node); + + if (newable(Compiler, 'compile')) { + return new Compiler(node, file).compile() + } + + return Compiler(node, file) // eslint-disable-line new-cap + } + + // Parse a file (in string or vfile representation) into a unist node using + // the `Parser` on the processor, then run transforms on that node, and + // compile the resulting node using the `Compiler` on the processor, and + // store that result on the vfile. + function process(doc, cb) { + freeze(); + assertParser('process', processor.Parser); + assertCompiler('process', processor.Compiler); + + if (!cb) { + return new Promise(executor) + } + + executor(null, cb); + + function executor(resolve, reject) { + var file = vfile(doc); + + pipeline.run(processor, {file: file}, done); + + function done(err) { + if (err) { + reject(err); + } else if (resolve) { + resolve(file); + } else { + cb(null, file); + } + } + } + } + + // Process the given document (in string or vfile representation), sync. + function processSync(doc) { + var complete = false; + var file; + + freeze(); + assertParser('processSync', processor.Parser); + assertCompiler('processSync', processor.Compiler); + file = vfile(doc); + + process(file, done); + + assertDone('processSync', 'process', complete); + + return file + + function done(err) { + complete = true; + bail_1(err); + } + } +} + +// Check if `value` is a constructor. +function newable(value, name) { + return ( + typeof value === 'function' && + value.prototype && + // A function with keys in its prototype is probably a constructor. + // Classes’ prototype methods are not enumerable, so we check if some value + // exists in the prototype. + (keys(value.prototype) || name in value.prototype) + ) +} + +// Check if `value` is an object with keys. +function keys(value) { + var key; + for (key in value) { + return true + } + + return false +} + +// Assert a parser is available. +function assertParser(name, Parser) { + if (typeof Parser !== 'function') { + throw new Error('Cannot `' + name + '` without `Parser`') + } +} + +// Assert a compiler is available. +function assertCompiler(name, Compiler) { + if (typeof Compiler !== 'function') { + throw new Error('Cannot `' + name + '` without `Compiler`') + } +} + +// Assert the processor is not frozen. +function assertUnfrozen(name, frozen) { + if (frozen) { + throw new Error( + 'Cannot invoke `' + + name + + '` on a frozen processor.\nCreate a new processor first, by invoking it: use `processor()` instead of `processor`.' + ) + } +} + +// Assert `node` is a unist node. +function assertNode(node) { + if (!node || typeof node.type !== 'string') { + throw new Error('Expected node, got `' + node + '`') + } +} + +// Assert that `complete` is `true`. +function assertDone(name, asyncName, complete) { + if (!complete) { + throw new Error( + '`' + name + '` finished async. Use `' + asyncName + '` instead' + ) + } +} + +var unherit_1 = unherit; + +// Create a custom constructor which can be modified without affecting the +// original class. +function unherit(Super) { + var result; + var key; + var value; + + inherits(Of, Super); + inherits(From, Of); + + // Clone values. + result = Of.prototype; + + for (key in result) { + value = result[key]; + + if (value && typeof value === 'object') { + result[key] = 'concat' in value ? value.concat() : immutable(value); + } + } + + return Of + + // Constructor accepting a single argument, which itself is an `arguments` + // object. + function From(parameters) { + return Super.apply(this, parameters) + } + + // Constructor accepting variadic arguments. + function Of() { + if (!(this instanceof Of)) { + return new From(arguments) + } + + return Super.apply(this, arguments) + } +} + +var stateToggle = factory$1; + +// Construct a state `toggler`: a function which inverses `property` in context +// based on its current value. +// The by `toggler` returned function restores that value. +function factory$1(key, state, ctx) { + return enter + + function enter() { + var context = ctx || this; + var current = context[key]; + + context[key] = !state; + + return exit + + function exit() { + context[key] = current; + } + } +} + +var vfileLocation = factory$2; + +function factory$2(file) { + var contents = indices(String(file)); + + return { + toPosition: offsetToPositionFactory(contents), + toOffset: positionToOffsetFactory(contents) + } +} + +// Factory to get the line and column-based `position` for `offset` in the bound +// indices. +function offsetToPositionFactory(indices) { + return offsetToPosition + + // Get the line and column-based `position` for `offset` in the bound indices. + function offsetToPosition(offset) { + var index = -1; + var length = indices.length; + + if (offset < 0) { + return {} + } + + while (++index < length) { + if (indices[index] > offset) { + return { + line: index + 1, + column: offset - (indices[index - 1] || 0) + 1, + offset: offset + } + } + } + + return {} + } +} + +// Factory to get the `offset` for a line and column-based `position` in the +// bound indices. +function positionToOffsetFactory(indices) { + return positionToOffset + + // Get the `offset` for a line and column-based `position` in the bound + // indices. + function positionToOffset(position) { + var line = position && position.line; + var column = position && position.column; + + if (!isNaN(line) && !isNaN(column) && line - 1 in indices) { + return (indices[line - 2] || 0) + column - 1 || 0 + } + + return -1 + } +} + +// Get indices of line-breaks in `value`. +function indices(value) { + var result = []; + var index = value.indexOf('\n'); + + while (index !== -1) { + result.push(index + 1); + index = value.indexOf('\n', index + 1); + } + + result.push(value.length + 1); + + return result +} + +var _unescape = factory$3; + +var backslash$1 = '\\'; + +// Factory to de-escape a value, based on a list at `key` in `ctx`. +function factory$3(ctx, key) { + return unescape + + // De-escape a string using the expression at `key` in `ctx`. + function unescape(value) { + var prev = 0; + var index = value.indexOf(backslash$1); + var escape = ctx[key]; + var queue = []; + var character; + + while (index !== -1) { + queue.push(value.slice(prev, index)); + prev = index + 1; + character = value.charAt(prev); + + // If the following character is not a valid escape, add the slash. + if (!character || escape.indexOf(character) === -1) { + queue.push(backslash$1); + } + + index = value.indexOf(backslash$1, prev + 1); + } + + queue.push(value.slice(prev)); + + return queue.join('') + } +} + +const AElig = "Æ"; +const AMP = "&"; +const Aacute = "Á"; +const Acirc = "Â"; +const Agrave = "À"; +const Aring = "Å"; +const Atilde = "Ã"; +const Auml = "Ä"; +const COPY = "©"; +const Ccedil = "Ç"; +const ETH = "Ð"; +const Eacute = "É"; +const Ecirc = "Ê"; +const Egrave = "È"; +const Euml = "Ë"; +const GT = ">"; +const Iacute = "Í"; +const Icirc = "Î"; +const Igrave = "Ì"; +const Iuml = "Ï"; +const LT = "<"; +const Ntilde = "Ñ"; +const Oacute = "Ó"; +const Ocirc = "Ô"; +const Ograve = "Ò"; +const Oslash = "Ø"; +const Otilde = "Õ"; +const Ouml = "Ö"; +const QUOT = "\""; +const REG = "®"; +const THORN = "Þ"; +const Uacute = "Ú"; +const Ucirc = "Û"; +const Ugrave = "Ù"; +const Uuml = "Ü"; +const Yacute = "Ý"; +const aacute = "á"; +const acirc = "â"; +const acute = "´"; +const aelig = "æ"; +const agrave = "à"; +const amp = "&"; +const aring = "å"; +const atilde = "ã"; +const auml = "ä"; +const brvbar = "¦"; +const ccedil = "ç"; +const cedil = "¸"; +const cent = "¢"; +const copy$1 = "©"; +const curren = "¤"; +const deg = "°"; +const divide = "÷"; +const eacute = "é"; +const ecirc = "ê"; +const egrave = "è"; +const eth = "ð"; +const euml = "ë"; +const frac12 = "½"; +const frac14 = "¼"; +const frac34 = "¾"; +const gt = ">"; +const iacute = "í"; +const icirc = "î"; +const iexcl = "¡"; +const igrave = "ì"; +const iquest = "¿"; +const iuml = "ï"; +const laquo = "«"; +const lt = "<"; +const macr = "¯"; +const micro = "µ"; +const middot = "·"; +const nbsp = " "; +const not = "¬"; +const ntilde = "ñ"; +const oacute = "ó"; +const ocirc = "ô"; +const ograve = "ò"; +const ordf = "ª"; +const ordm = "º"; +const oslash = "ø"; +const otilde = "õ"; +const ouml = "ö"; +const para = "¶"; +const plusmn = "±"; +const pound = "£"; +const quot = "\""; +const raquo = "»"; +const reg = "®"; +const sect = "§"; +const shy = "­"; +const sup1 = "¹"; +const sup2 = "²"; +const sup3 = "³"; +const szlig = "ß"; +const thorn = "þ"; +const times = "×"; +const uacute = "ú"; +const ucirc = "û"; +const ugrave = "ù"; +const uml = "¨"; +const uuml = "ü"; +const yacute = "ý"; +const yen = "¥"; +const yuml = "ÿ"; +var index$1 = { + AElig: AElig, + AMP: AMP, + Aacute: Aacute, + Acirc: Acirc, + Agrave: Agrave, + Aring: Aring, + Atilde: Atilde, + Auml: Auml, + COPY: COPY, + Ccedil: Ccedil, + ETH: ETH, + Eacute: Eacute, + Ecirc: Ecirc, + Egrave: Egrave, + Euml: Euml, + GT: GT, + Iacute: Iacute, + Icirc: Icirc, + Igrave: Igrave, + Iuml: Iuml, + LT: LT, + Ntilde: Ntilde, + Oacute: Oacute, + Ocirc: Ocirc, + Ograve: Ograve, + Oslash: Oslash, + Otilde: Otilde, + Ouml: Ouml, + QUOT: QUOT, + REG: REG, + THORN: THORN, + Uacute: Uacute, + Ucirc: Ucirc, + Ugrave: Ugrave, + Uuml: Uuml, + Yacute: Yacute, + aacute: aacute, + acirc: acirc, + acute: acute, + aelig: aelig, + agrave: agrave, + amp: amp, + aring: aring, + atilde: atilde, + auml: auml, + brvbar: brvbar, + ccedil: ccedil, + cedil: cedil, + cent: cent, + copy: copy$1, + curren: curren, + deg: deg, + divide: divide, + eacute: eacute, + ecirc: ecirc, + egrave: egrave, + eth: eth, + euml: euml, + frac12: frac12, + frac14: frac14, + frac34: frac34, + gt: gt, + iacute: iacute, + icirc: icirc, + iexcl: iexcl, + igrave: igrave, + iquest: iquest, + iuml: iuml, + laquo: laquo, + lt: lt, + macr: macr, + micro: micro, + middot: middot, + nbsp: nbsp, + not: not, + ntilde: ntilde, + oacute: oacute, + ocirc: ocirc, + ograve: ograve, + ordf: ordf, + ordm: ordm, + oslash: oslash, + otilde: otilde, + ouml: ouml, + para: para, + plusmn: plusmn, + pound: pound, + quot: quot, + raquo: raquo, + reg: reg, + sect: sect, + shy: shy, + sup1: sup1, + sup2: sup2, + sup3: sup3, + szlig: szlig, + thorn: thorn, + times: times, + uacute: uacute, + ucirc: ucirc, + ugrave: ugrave, + uml: uml, + uuml: uuml, + yacute: yacute, + yen: yen, + yuml: yuml +}; + +var characterEntitiesLegacy = /*#__PURE__*/Object.freeze({ + __proto__: null, + AElig: AElig, + AMP: AMP, + Aacute: Aacute, + Acirc: Acirc, + Agrave: Agrave, + Aring: Aring, + Atilde: Atilde, + Auml: Auml, + COPY: COPY, + Ccedil: Ccedil, + ETH: ETH, + Eacute: Eacute, + Ecirc: Ecirc, + Egrave: Egrave, + Euml: Euml, + GT: GT, + Iacute: Iacute, + Icirc: Icirc, + Igrave: Igrave, + Iuml: Iuml, + LT: LT, + Ntilde: Ntilde, + Oacute: Oacute, + Ocirc: Ocirc, + Ograve: Ograve, + Oslash: Oslash, + Otilde: Otilde, + Ouml: Ouml, + QUOT: QUOT, + REG: REG, + THORN: THORN, + Uacute: Uacute, + Ucirc: Ucirc, + Ugrave: Ugrave, + Uuml: Uuml, + Yacute: Yacute, + aacute: aacute, + acirc: acirc, + acute: acute, + aelig: aelig, + agrave: agrave, + amp: amp, + aring: aring, + atilde: atilde, + auml: auml, + brvbar: brvbar, + ccedil: ccedil, + cedil: cedil, + cent: cent, + copy: copy$1, + curren: curren, + deg: deg, + divide: divide, + eacute: eacute, + ecirc: ecirc, + egrave: egrave, + eth: eth, + euml: euml, + frac12: frac12, + frac14: frac14, + frac34: frac34, + gt: gt, + iacute: iacute, + icirc: icirc, + iexcl: iexcl, + igrave: igrave, + iquest: iquest, + iuml: iuml, + laquo: laquo, + lt: lt, + macr: macr, + micro: micro, + middot: middot, + nbsp: nbsp, + not: not, + ntilde: ntilde, + oacute: oacute, + ocirc: ocirc, + ograve: ograve, + ordf: ordf, + ordm: ordm, + oslash: oslash, + otilde: otilde, + ouml: ouml, + para: para, + plusmn: plusmn, + pound: pound, + quot: quot, + raquo: raquo, + reg: reg, + sect: sect, + shy: shy, + sup1: sup1, + sup2: sup2, + sup3: sup3, + szlig: szlig, + thorn: thorn, + times: times, + uacute: uacute, + ucirc: ucirc, + ugrave: ugrave, + uml: uml, + uuml: uuml, + yacute: yacute, + yen: yen, + yuml: yuml, + 'default': index$1 +}); + +var index$2 = { + "0": "�", + "128": "€", + "130": "‚", + "131": "ƒ", + "132": "„", + "133": "…", + "134": "†", + "135": "‡", + "136": "ˆ", + "137": "‰", + "138": "Š", + "139": "‹", + "140": "Œ", + "142": "Ž", + "145": "‘", + "146": "’", + "147": "“", + "148": "”", + "149": "•", + "150": "–", + "151": "—", + "152": "˜", + "153": "™", + "154": "š", + "155": "›", + "156": "œ", + "158": "ž", + "159": "Ÿ" +}; + +var characterReferenceInvalid = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': index$2 +}); + +var isDecimal = decimal; + +// Check if the given character code, or the character code at the first +// character, is decimal. +function decimal(character) { + var code = typeof character === 'string' ? character.charCodeAt(0) : character; + + return code >= 48 && code <= 57 /* 0-9 */ +} + +var isHexadecimal = hexadecimal; + +// Check if the given character code, or the character code at the first +// character, is hexadecimal. +function hexadecimal(character) { + var code = typeof character === 'string' ? character.charCodeAt(0) : character; + + return ( + (code >= 97 /* a */ && code <= 102) /* z */ || + (code >= 65 /* A */ && code <= 70) /* Z */ || + (code >= 48 /* A */ && code <= 57) /* Z */ + ) +} + +var isAlphabetical = alphabetical; + +// Check if the given character code, or the character code at the first +// character, is alphabetical. +function alphabetical(character) { + var code = typeof character === 'string' ? character.charCodeAt(0) : character; + + return ( + (code >= 97 && code <= 122) /* a-z */ || + (code >= 65 && code <= 90) /* A-Z */ + ) +} + +var isAlphanumerical = alphanumerical; + +// Check if the given character code, or the character code at the first +// character, is alphanumerical. +function alphanumerical(character) { + return isAlphabetical(character) || isDecimal(character) +} + +const AEli = "Æ"; +const AElig$1 = "Æ"; +const AM = "&"; +const AMP$1 = "&"; +const Aacut = "Á"; +const Aacute$1 = "Á"; +const Abreve = "Ă"; +const Acir = "Â"; +const Acirc$1 = "Â"; +const Acy = "А"; +const Afr = "𝔄"; +const Agrav = "À"; +const Agrave$1 = "À"; +const Alpha = "Α"; +const Amacr = "Ā"; +const And = "⩓"; +const Aogon = "Ą"; +const Aopf = "𝔸"; +const ApplyFunction = "⁡"; +const Arin = "Å"; +const Aring$1 = "Å"; +const Ascr = "𝒜"; +const Assign = "≔"; +const Atild = "Ã"; +const Atilde$1 = "Ã"; +const Aum = "Ä"; +const Auml$1 = "Ä"; +const Backslash = "∖"; +const Barv = "⫧"; +const Barwed = "⌆"; +const Bcy = "Б"; +const Because = "∵"; +const Bernoullis = "ℬ"; +const Beta = "Β"; +const Bfr = "𝔅"; +const Bopf = "𝔹"; +const Breve = "˘"; +const Bscr = "ℬ"; +const Bumpeq = "≎"; +const CHcy = "Ч"; +const COP = "©"; +const COPY$1 = "©"; +const Cacute = "Ć"; +const Cap = "⋒"; +const CapitalDifferentialD = "ⅅ"; +const Cayleys = "ℭ"; +const Ccaron = "Č"; +const Ccedi = "Ç"; +const Ccedil$1 = "Ç"; +const Ccirc = "Ĉ"; +const Cconint = "∰"; +const Cdot = "Ċ"; +const Cedilla = "¸"; +const CenterDot = "·"; +const Cfr = "ℭ"; +const Chi = "Χ"; +const CircleDot = "⊙"; +const CircleMinus = "⊖"; +const CirclePlus = "⊕"; +const CircleTimes = "⊗"; +const ClockwiseContourIntegral = "∲"; +const CloseCurlyDoubleQuote = "”"; +const CloseCurlyQuote = "’"; +const Colon = "∷"; +const Colone = "⩴"; +const Congruent = "≡"; +const Conint = "∯"; +const ContourIntegral = "∮"; +const Copf = "ℂ"; +const Coproduct = "∐"; +const CounterClockwiseContourIntegral = "∳"; +const Cross = "⨯"; +const Cscr = "𝒞"; +const Cup = "⋓"; +const CupCap = "≍"; +const DD = "ⅅ"; +const DDotrahd = "⤑"; +const DJcy = "Ђ"; +const DScy = "Ѕ"; +const DZcy = "Џ"; +const Dagger = "‡"; +const Darr = "↡"; +const Dashv = "⫤"; +const Dcaron = "Ď"; +const Dcy = "Д"; +const Del = "∇"; +const Delta = "Δ"; +const Dfr = "𝔇"; +const DiacriticalAcute = "´"; +const DiacriticalDot = "˙"; +const DiacriticalDoubleAcute = "˝"; +const DiacriticalGrave = "`"; +const DiacriticalTilde = "˜"; +const Diamond = "⋄"; +const DifferentialD = "ⅆ"; +const Dopf = "𝔻"; +const Dot = "¨"; +const DotDot = "⃜"; +const DotEqual = "≐"; +const DoubleContourIntegral = "∯"; +const DoubleDot = "¨"; +const DoubleDownArrow = "⇓"; +const DoubleLeftArrow = "⇐"; +const DoubleLeftRightArrow = "⇔"; +const DoubleLeftTee = "⫤"; +const DoubleLongLeftArrow = "⟸"; +const DoubleLongLeftRightArrow = "⟺"; +const DoubleLongRightArrow = "⟹"; +const DoubleRightArrow = "⇒"; +const DoubleRightTee = "⊨"; +const DoubleUpArrow = "⇑"; +const DoubleUpDownArrow = "⇕"; +const DoubleVerticalBar = "∥"; +const DownArrow = "↓"; +const DownArrowBar = "⤓"; +const DownArrowUpArrow = "⇵"; +const DownBreve = "̑"; +const DownLeftRightVector = "⥐"; +const DownLeftTeeVector = "⥞"; +const DownLeftVector = "↽"; +const DownLeftVectorBar = "⥖"; +const DownRightTeeVector = "⥟"; +const DownRightVector = "⇁"; +const DownRightVectorBar = "⥗"; +const DownTee = "⊤"; +const DownTeeArrow = "↧"; +const Downarrow = "⇓"; +const Dscr = "𝒟"; +const Dstrok = "Đ"; +const ENG = "Ŋ"; +const ET = "Ð"; +const ETH$1 = "Ð"; +const Eacut = "É"; +const Eacute$1 = "É"; +const Ecaron = "Ě"; +const Ecir = "Ê"; +const Ecirc$1 = "Ê"; +const Ecy = "Э"; +const Edot = "Ė"; +const Efr = "𝔈"; +const Egrav = "È"; +const Egrave$1 = "È"; +const Element = "∈"; +const Emacr = "Ē"; +const EmptySmallSquare = "◻"; +const EmptyVerySmallSquare = "▫"; +const Eogon = "Ę"; +const Eopf = "𝔼"; +const Epsilon = "Ε"; +const Equal = "⩵"; +const EqualTilde = "≂"; +const Equilibrium = "⇌"; +const Escr = "ℰ"; +const Esim = "⩳"; +const Eta = "Η"; +const Eum = "Ë"; +const Euml$1 = "Ë"; +const Exists = "∃"; +const ExponentialE = "ⅇ"; +const Fcy = "Ф"; +const Ffr = "𝔉"; +const FilledSmallSquare = "◼"; +const FilledVerySmallSquare = "▪"; +const Fopf = "𝔽"; +const ForAll = "∀"; +const Fouriertrf = "ℱ"; +const Fscr = "ℱ"; +const GJcy = "Ѓ"; +const G = ">"; +const GT$1 = ">"; +const Gamma = "Γ"; +const Gammad = "Ϝ"; +const Gbreve = "Ğ"; +const Gcedil = "Ģ"; +const Gcirc = "Ĝ"; +const Gcy = "Г"; +const Gdot = "Ġ"; +const Gfr = "𝔊"; +const Gg = "⋙"; +const Gopf = "𝔾"; +const GreaterEqual = "≥"; +const GreaterEqualLess = "⋛"; +const GreaterFullEqual = "≧"; +const GreaterGreater = "⪢"; +const GreaterLess = "≷"; +const GreaterSlantEqual = "⩾"; +const GreaterTilde = "≳"; +const Gscr = "𝒢"; +const Gt = "≫"; +const HARDcy = "Ъ"; +const Hacek = "ˇ"; +const Hat = "^"; +const Hcirc = "Ĥ"; +const Hfr = "ℌ"; +const HilbertSpace = "ℋ"; +const Hopf = "ℍ"; +const HorizontalLine = "─"; +const Hscr = "ℋ"; +const Hstrok = "Ħ"; +const HumpDownHump = "≎"; +const HumpEqual = "≏"; +const IEcy = "Е"; +const IJlig = "IJ"; +const IOcy = "Ё"; +const Iacut = "Í"; +const Iacute$1 = "Í"; +const Icir = "Î"; +const Icirc$1 = "Î"; +const Icy = "И"; +const Idot = "İ"; +const Ifr = "ℑ"; +const Igrav = "Ì"; +const Igrave$1 = "Ì"; +const Im = "ℑ"; +const Imacr = "Ī"; +const ImaginaryI = "ⅈ"; +const Implies = "⇒"; +const Int = "∬"; +const Integral = "∫"; +const Intersection = "⋂"; +const InvisibleComma = "⁣"; +const InvisibleTimes = "⁢"; +const Iogon = "Į"; +const Iopf = "𝕀"; +const Iota = "Ι"; +const Iscr = "ℐ"; +const Itilde = "Ĩ"; +const Iukcy = "І"; +const Ium = "Ï"; +const Iuml$1 = "Ï"; +const Jcirc = "Ĵ"; +const Jcy = "Й"; +const Jfr = "𝔍"; +const Jopf = "𝕁"; +const Jscr = "𝒥"; +const Jsercy = "Ј"; +const Jukcy = "Є"; +const KHcy = "Х"; +const KJcy = "Ќ"; +const Kappa = "Κ"; +const Kcedil = "Ķ"; +const Kcy = "К"; +const Kfr = "𝔎"; +const Kopf = "𝕂"; +const Kscr = "𝒦"; +const LJcy = "Љ"; +const L = "<"; +const LT$1 = "<"; +const Lacute = "Ĺ"; +const Lambda = "Λ"; +const Lang = "⟪"; +const Laplacetrf = "ℒ"; +const Larr = "↞"; +const Lcaron = "Ľ"; +const Lcedil = "Ļ"; +const Lcy = "Л"; +const LeftAngleBracket = "⟨"; +const LeftArrow = "←"; +const LeftArrowBar = "⇤"; +const LeftArrowRightArrow = "⇆"; +const LeftCeiling = "⌈"; +const LeftDoubleBracket = "⟦"; +const LeftDownTeeVector = "⥡"; +const LeftDownVector = "⇃"; +const LeftDownVectorBar = "⥙"; +const LeftFloor = "⌊"; +const LeftRightArrow = "↔"; +const LeftRightVector = "⥎"; +const LeftTee = "⊣"; +const LeftTeeArrow = "↤"; +const LeftTeeVector = "⥚"; +const LeftTriangle = "⊲"; +const LeftTriangleBar = "⧏"; +const LeftTriangleEqual = "⊴"; +const LeftUpDownVector = "⥑"; +const LeftUpTeeVector = "⥠"; +const LeftUpVector = "↿"; +const LeftUpVectorBar = "⥘"; +const LeftVector = "↼"; +const LeftVectorBar = "⥒"; +const Leftarrow = "⇐"; +const Leftrightarrow = "⇔"; +const LessEqualGreater = "⋚"; +const LessFullEqual = "≦"; +const LessGreater = "≶"; +const LessLess = "⪡"; +const LessSlantEqual = "⩽"; +const LessTilde = "≲"; +const Lfr = "𝔏"; +const Ll = "⋘"; +const Lleftarrow = "⇚"; +const Lmidot = "Ŀ"; +const LongLeftArrow = "⟵"; +const LongLeftRightArrow = "⟷"; +const LongRightArrow = "⟶"; +const Longleftarrow = "⟸"; +const Longleftrightarrow = "⟺"; +const Longrightarrow = "⟹"; +const Lopf = "𝕃"; +const LowerLeftArrow = "↙"; +const LowerRightArrow = "↘"; +const Lscr = "ℒ"; +const Lsh = "↰"; +const Lstrok = "Ł"; +const Lt = "≪"; +const Mcy = "М"; +const MediumSpace = " "; +const Mellintrf = "ℳ"; +const Mfr = "𝔐"; +const MinusPlus = "∓"; +const Mopf = "𝕄"; +const Mscr = "ℳ"; +const Mu = "Μ"; +const NJcy = "Њ"; +const Nacute = "Ń"; +const Ncaron = "Ň"; +const Ncedil = "Ņ"; +const Ncy = "Н"; +const NegativeMediumSpace = "​"; +const NegativeThickSpace = "​"; +const NegativeThinSpace = "​"; +const NegativeVeryThinSpace = "​"; +const NestedGreaterGreater = "≫"; +const NestedLessLess = "≪"; +const NewLine = "\n"; +const Nfr = "𝔑"; +const NoBreak = "⁠"; +const NonBreakingSpace = " "; +const Nopf = "ℕ"; +const Not = "⫬"; +const NotCongruent = "≢"; +const NotCupCap = "≭"; +const NotDoubleVerticalBar = "∦"; +const NotElement = "∉"; +const NotEqual = "≠"; +const NotEqualTilde = "≂̸"; +const NotExists = "∄"; +const NotGreater = "≯"; +const NotGreaterEqual = "≱"; +const NotGreaterFullEqual = "≧̸"; +const NotGreaterGreater = "≫̸"; +const NotGreaterLess = "≹"; +const NotGreaterSlantEqual = "⩾̸"; +const NotGreaterTilde = "≵"; +const NotHumpDownHump = "≎̸"; +const NotHumpEqual = "≏̸"; +const NotLeftTriangle = "⋪"; +const NotLeftTriangleBar = "⧏̸"; +const NotLeftTriangleEqual = "⋬"; +const NotLess = "≮"; +const NotLessEqual = "≰"; +const NotLessGreater = "≸"; +const NotLessLess = "≪̸"; +const NotLessSlantEqual = "⩽̸"; +const NotLessTilde = "≴"; +const NotNestedGreaterGreater = "⪢̸"; +const NotNestedLessLess = "⪡̸"; +const NotPrecedes = "⊀"; +const NotPrecedesEqual = "⪯̸"; +const NotPrecedesSlantEqual = "⋠"; +const NotReverseElement = "∌"; +const NotRightTriangle = "⋫"; +const NotRightTriangleBar = "⧐̸"; +const NotRightTriangleEqual = "⋭"; +const NotSquareSubset = "⊏̸"; +const NotSquareSubsetEqual = "⋢"; +const NotSquareSuperset = "⊐̸"; +const NotSquareSupersetEqual = "⋣"; +const NotSubset = "⊂⃒"; +const NotSubsetEqual = "⊈"; +const NotSucceeds = "⊁"; +const NotSucceedsEqual = "⪰̸"; +const NotSucceedsSlantEqual = "⋡"; +const NotSucceedsTilde = "≿̸"; +const NotSuperset = "⊃⃒"; +const NotSupersetEqual = "⊉"; +const NotTilde = "≁"; +const NotTildeEqual = "≄"; +const NotTildeFullEqual = "≇"; +const NotTildeTilde = "≉"; +const NotVerticalBar = "∤"; +const Nscr = "𝒩"; +const Ntild = "Ñ"; +const Ntilde$1 = "Ñ"; +const Nu = "Ν"; +const OElig = "Œ"; +const Oacut = "Ó"; +const Oacute$1 = "Ó"; +const Ocir = "Ô"; +const Ocirc$1 = "Ô"; +const Ocy = "О"; +const Odblac = "Ő"; +const Ofr = "𝔒"; +const Ograv = "Ò"; +const Ograve$1 = "Ò"; +const Omacr = "Ō"; +const Omega = "Ω"; +const Omicron = "Ο"; +const Oopf = "𝕆"; +const OpenCurlyDoubleQuote = "“"; +const OpenCurlyQuote = "‘"; +const Or = "⩔"; +const Oscr = "𝒪"; +const Oslas = "Ø"; +const Oslash$1 = "Ø"; +const Otild = "Õ"; +const Otilde$1 = "Õ"; +const Otimes = "⨷"; +const Oum = "Ö"; +const Ouml$1 = "Ö"; +const OverBar = "‾"; +const OverBrace = "⏞"; +const OverBracket = "⎴"; +const OverParenthesis = "⏜"; +const PartialD = "∂"; +const Pcy = "П"; +const Pfr = "𝔓"; +const Phi = "Φ"; +const Pi = "Π"; +const PlusMinus = "±"; +const Poincareplane = "ℌ"; +const Popf = "ℙ"; +const Pr = "⪻"; +const Precedes = "≺"; +const PrecedesEqual = "⪯"; +const PrecedesSlantEqual = "≼"; +const PrecedesTilde = "≾"; +const Prime = "″"; +const Product = "∏"; +const Proportion = "∷"; +const Proportional = "∝"; +const Pscr = "𝒫"; +const Psi = "Ψ"; +const QUO = "\""; +const QUOT$1 = "\""; +const Qfr = "𝔔"; +const Qopf = "ℚ"; +const Qscr = "𝒬"; +const RBarr = "⤐"; +const RE = "®"; +const REG$1 = "®"; +const Racute = "Ŕ"; +const Rang = "⟫"; +const Rarr = "↠"; +const Rarrtl = "⤖"; +const Rcaron = "Ř"; +const Rcedil = "Ŗ"; +const Rcy = "Р"; +const Re = "ℜ"; +const ReverseElement = "∋"; +const ReverseEquilibrium = "⇋"; +const ReverseUpEquilibrium = "⥯"; +const Rfr = "ℜ"; +const Rho = "Ρ"; +const RightAngleBracket = "⟩"; +const RightArrow = "→"; +const RightArrowBar = "⇥"; +const RightArrowLeftArrow = "⇄"; +const RightCeiling = "⌉"; +const RightDoubleBracket = "⟧"; +const RightDownTeeVector = "⥝"; +const RightDownVector = "⇂"; +const RightDownVectorBar = "⥕"; +const RightFloor = "⌋"; +const RightTee = "⊢"; +const RightTeeArrow = "↦"; +const RightTeeVector = "⥛"; +const RightTriangle = "⊳"; +const RightTriangleBar = "⧐"; +const RightTriangleEqual = "⊵"; +const RightUpDownVector = "⥏"; +const RightUpTeeVector = "⥜"; +const RightUpVector = "↾"; +const RightUpVectorBar = "⥔"; +const RightVector = "⇀"; +const RightVectorBar = "⥓"; +const Rightarrow = "⇒"; +const Ropf = "ℝ"; +const RoundImplies = "⥰"; +const Rrightarrow = "⇛"; +const Rscr = "ℛ"; +const Rsh = "↱"; +const RuleDelayed = "⧴"; +const SHCHcy = "Щ"; +const SHcy = "Ш"; +const SOFTcy = "Ь"; +const Sacute = "Ś"; +const Sc = "⪼"; +const Scaron = "Š"; +const Scedil = "Ş"; +const Scirc = "Ŝ"; +const Scy = "С"; +const Sfr = "𝔖"; +const ShortDownArrow = "↓"; +const ShortLeftArrow = "←"; +const ShortRightArrow = "→"; +const ShortUpArrow = "↑"; +const Sigma = "Σ"; +const SmallCircle = "∘"; +const Sopf = "𝕊"; +const Sqrt = "√"; +const Square = "□"; +const SquareIntersection = "⊓"; +const SquareSubset = "⊏"; +const SquareSubsetEqual = "⊑"; +const SquareSuperset = "⊐"; +const SquareSupersetEqual = "⊒"; +const SquareUnion = "⊔"; +const Sscr = "𝒮"; +const Star = "⋆"; +const Sub = "⋐"; +const Subset = "⋐"; +const SubsetEqual = "⊆"; +const Succeeds = "≻"; +const SucceedsEqual = "⪰"; +const SucceedsSlantEqual = "≽"; +const SucceedsTilde = "≿"; +const SuchThat = "∋"; +const Sum = "∑"; +const Sup = "⋑"; +const Superset = "⊃"; +const SupersetEqual = "⊇"; +const Supset = "⋑"; +const THOR = "Þ"; +const THORN$1 = "Þ"; +const TRADE = "™"; +const TSHcy = "Ћ"; +const TScy = "Ц"; +const Tab = "\t"; +const Tau = "Τ"; +const Tcaron = "Ť"; +const Tcedil = "Ţ"; +const Tcy = "Т"; +const Tfr = "𝔗"; +const Therefore = "∴"; +const Theta = "Θ"; +const ThickSpace = "  "; +const ThinSpace = " "; +const Tilde = "∼"; +const TildeEqual = "≃"; +const TildeFullEqual = "≅"; +const TildeTilde = "≈"; +const Topf = "𝕋"; +const TripleDot = "⃛"; +const Tscr = "𝒯"; +const Tstrok = "Ŧ"; +const Uacut = "Ú"; +const Uacute$1 = "Ú"; +const Uarr = "↟"; +const Uarrocir = "⥉"; +const Ubrcy = "Ў"; +const Ubreve = "Ŭ"; +const Ucir = "Û"; +const Ucirc$1 = "Û"; +const Ucy = "У"; +const Udblac = "Ű"; +const Ufr = "𝔘"; +const Ugrav = "Ù"; +const Ugrave$1 = "Ù"; +const Umacr = "Ū"; +const UnderBar = "_"; +const UnderBrace = "⏟"; +const UnderBracket = "⎵"; +const UnderParenthesis = "⏝"; +const Union = "⋃"; +const UnionPlus = "⊎"; +const Uogon = "Ų"; +const Uopf = "𝕌"; +const UpArrow = "↑"; +const UpArrowBar = "⤒"; +const UpArrowDownArrow = "⇅"; +const UpDownArrow = "↕"; +const UpEquilibrium = "⥮"; +const UpTee = "⊥"; +const UpTeeArrow = "↥"; +const Uparrow = "⇑"; +const Updownarrow = "⇕"; +const UpperLeftArrow = "↖"; +const UpperRightArrow = "↗"; +const Upsi = "ϒ"; +const Upsilon = "Υ"; +const Uring = "Ů"; +const Uscr = "𝒰"; +const Utilde = "Ũ"; +const Uum = "Ü"; +const Uuml$1 = "Ü"; +const VDash = "⊫"; +const Vbar = "⫫"; +const Vcy = "В"; +const Vdash = "⊩"; +const Vdashl = "⫦"; +const Vee = "⋁"; +const Verbar = "‖"; +const Vert = "‖"; +const VerticalBar = "∣"; +const VerticalLine = "|"; +const VerticalSeparator = "❘"; +const VerticalTilde = "≀"; +const VeryThinSpace = " "; +const Vfr = "𝔙"; +const Vopf = "𝕍"; +const Vscr = "𝒱"; +const Vvdash = "⊪"; +const Wcirc = "Ŵ"; +const Wedge = "⋀"; +const Wfr = "𝔚"; +const Wopf = "𝕎"; +const Wscr = "𝒲"; +const Xfr = "𝔛"; +const Xi = "Ξ"; +const Xopf = "𝕏"; +const Xscr = "𝒳"; +const YAcy = "Я"; +const YIcy = "Ї"; +const YUcy = "Ю"; +const Yacut = "Ý"; +const Yacute$1 = "Ý"; +const Ycirc = "Ŷ"; +const Ycy = "Ы"; +const Yfr = "𝔜"; +const Yopf = "𝕐"; +const Yscr = "𝒴"; +const Yuml = "Ÿ"; +const ZHcy = "Ж"; +const Zacute = "Ź"; +const Zcaron = "Ž"; +const Zcy = "З"; +const Zdot = "Ż"; +const ZeroWidthSpace = "​"; +const Zeta = "Ζ"; +const Zfr = "ℨ"; +const Zopf = "ℤ"; +const Zscr = "𝒵"; +const aacut = "á"; +const aacute$1 = "á"; +const abreve = "ă"; +const ac = "∾"; +const acE = "∾̳"; +const acd = "∿"; +const acir = "â"; +const acirc$1 = "â"; +const acut = "´"; +const acute$1 = "´"; +const acy = "а"; +const aeli = "æ"; +const aelig$1 = "æ"; +const af = "⁡"; +const afr = "𝔞"; +const agrav = "à"; +const agrave$1 = "à"; +const alefsym = "ℵ"; +const aleph = "ℵ"; +const alpha = "α"; +const amacr = "ā"; +const amalg = "⨿"; +const am = "&"; +const amp$1 = "&"; +const and = "∧"; +const andand = "⩕"; +const andd = "⩜"; +const andslope = "⩘"; +const andv = "⩚"; +const ang = "∠"; +const ange = "⦤"; +const angle = "∠"; +const angmsd = "∡"; +const angmsdaa = "⦨"; +const angmsdab = "⦩"; +const angmsdac = "⦪"; +const angmsdad = "⦫"; +const angmsdae = "⦬"; +const angmsdaf = "⦭"; +const angmsdag = "⦮"; +const angmsdah = "⦯"; +const angrt = "∟"; +const angrtvb = "⊾"; +const angrtvbd = "⦝"; +const angsph = "∢"; +const angst = "Å"; +const angzarr = "⍼"; +const aogon = "ą"; +const aopf = "𝕒"; +const ap = "≈"; +const apE = "⩰"; +const apacir = "⩯"; +const ape = "≊"; +const apid = "≋"; +const apos = "'"; +const approx = "≈"; +const approxeq = "≊"; +const arin = "å"; +const aring$1 = "å"; +const ascr = "𝒶"; +const ast = "*"; +const asymp = "≈"; +const asympeq = "≍"; +const atild = "ã"; +const atilde$1 = "ã"; +const aum = "ä"; +const auml$1 = "ä"; +const awconint = "∳"; +const awint = "⨑"; +const bNot = "⫭"; +const backcong = "≌"; +const backepsilon = "϶"; +const backprime = "‵"; +const backsim = "∽"; +const backsimeq = "⋍"; +const barvee = "⊽"; +const barwed = "⌅"; +const barwedge = "⌅"; +const bbrk = "⎵"; +const bbrktbrk = "⎶"; +const bcong = "≌"; +const bcy = "б"; +const bdquo = "„"; +const becaus = "∵"; +const because = "∵"; +const bemptyv = "⦰"; +const bepsi = "϶"; +const bernou = "ℬ"; +const beta = "β"; +const beth = "ℶ"; +const between = "≬"; +const bfr = "𝔟"; +const bigcap = "⋂"; +const bigcirc = "◯"; +const bigcup = "⋃"; +const bigodot = "⨀"; +const bigoplus = "⨁"; +const bigotimes = "⨂"; +const bigsqcup = "⨆"; +const bigstar = "★"; +const bigtriangledown = "▽"; +const bigtriangleup = "△"; +const biguplus = "⨄"; +const bigvee = "⋁"; +const bigwedge = "⋀"; +const bkarow = "⤍"; +const blacklozenge = "⧫"; +const blacksquare = "▪"; +const blacktriangle = "▴"; +const blacktriangledown = "▾"; +const blacktriangleleft = "◂"; +const blacktriangleright = "▸"; +const blank = "␣"; +const blk12 = "▒"; +const blk14 = "░"; +const blk34 = "▓"; +const block = "█"; +const bne = "=⃥"; +const bnequiv = "≡⃥"; +const bnot = "⌐"; +const bopf = "𝕓"; +const bot = "⊥"; +const bottom = "⊥"; +const bowtie = "⋈"; +const boxDL = "╗"; +const boxDR = "╔"; +const boxDl = "╖"; +const boxDr = "╓"; +const boxH = "═"; +const boxHD = "╦"; +const boxHU = "╩"; +const boxHd = "╤"; +const boxHu = "╧"; +const boxUL = "╝"; +const boxUR = "╚"; +const boxUl = "╜"; +const boxUr = "╙"; +const boxV = "║"; +const boxVH = "╬"; +const boxVL = "╣"; +const boxVR = "╠"; +const boxVh = "╫"; +const boxVl = "╢"; +const boxVr = "╟"; +const boxbox = "⧉"; +const boxdL = "╕"; +const boxdR = "╒"; +const boxdl = "┐"; +const boxdr = "┌"; +const boxh = "─"; +const boxhD = "╥"; +const boxhU = "╨"; +const boxhd = "┬"; +const boxhu = "┴"; +const boxminus = "⊟"; +const boxplus = "⊞"; +const boxtimes = "⊠"; +const boxuL = "╛"; +const boxuR = "╘"; +const boxul = "┘"; +const boxur = "└"; +const boxv = "│"; +const boxvH = "╪"; +const boxvL = "╡"; +const boxvR = "╞"; +const boxvh = "┼"; +const boxvl = "┤"; +const boxvr = "├"; +const bprime = "‵"; +const breve = "˘"; +const brvba = "¦"; +const brvbar$1 = "¦"; +const bscr = "𝒷"; +const bsemi = "⁏"; +const bsim = "∽"; +const bsime = "⋍"; +const bsol = "\\"; +const bsolb = "⧅"; +const bsolhsub = "⟈"; +const bull = "•"; +const bullet = "•"; +const bump = "≎"; +const bumpE = "⪮"; +const bumpe = "≏"; +const bumpeq = "≏"; +const cacute = "ć"; +const cap = "∩"; +const capand = "⩄"; +const capbrcup = "⩉"; +const capcap = "⩋"; +const capcup = "⩇"; +const capdot = "⩀"; +const caps = "∩︀"; +const caret = "⁁"; +const caron = "ˇ"; +const ccaps = "⩍"; +const ccaron = "č"; +const ccedi = "ç"; +const ccedil$1 = "ç"; +const ccirc = "ĉ"; +const ccups = "⩌"; +const ccupssm = "⩐"; +const cdot = "ċ"; +const cedi = "¸"; +const cedil$1 = "¸"; +const cemptyv = "⦲"; +const cen = "¢"; +const cent$1 = "¢"; +const centerdot = "·"; +const cfr = "𝔠"; +const chcy = "ч"; +const check$2 = "✓"; +const checkmark = "✓"; +const chi = "χ"; +const cir = "○"; +const cirE = "⧃"; +const circ = "ˆ"; +const circeq = "≗"; +const circlearrowleft = "↺"; +const circlearrowright = "↻"; +const circledR = "®"; +const circledS = "Ⓢ"; +const circledast = "⊛"; +const circledcirc = "⊚"; +const circleddash = "⊝"; +const cire = "≗"; +const cirfnint = "⨐"; +const cirmid = "⫯"; +const cirscir = "⧂"; +const clubs = "♣"; +const clubsuit = "♣"; +const colon = ":"; +const colone = "≔"; +const coloneq = "≔"; +const comma = ","; +const commat = "@"; +const comp = "∁"; +const compfn = "∘"; +const complement = "∁"; +const complexes = "ℂ"; +const cong = "≅"; +const congdot = "⩭"; +const conint = "∮"; +const copf = "𝕔"; +const coprod = "∐"; +const cop = "©"; +const copy$2 = "©"; +const copysr = "℗"; +const crarr = "↵"; +const cross = "✗"; +const cscr = "𝒸"; +const csub = "⫏"; +const csube = "⫑"; +const csup = "⫐"; +const csupe = "⫒"; +const ctdot = "⋯"; +const cudarrl = "⤸"; +const cudarrr = "⤵"; +const cuepr = "⋞"; +const cuesc = "⋟"; +const cularr = "↶"; +const cularrp = "⤽"; +const cup = "∪"; +const cupbrcap = "⩈"; +const cupcap = "⩆"; +const cupcup = "⩊"; +const cupdot = "⊍"; +const cupor = "⩅"; +const cups = "∪︀"; +const curarr = "↷"; +const curarrm = "⤼"; +const curlyeqprec = "⋞"; +const curlyeqsucc = "⋟"; +const curlyvee = "⋎"; +const curlywedge = "⋏"; +const curre = "¤"; +const curren$1 = "¤"; +const curvearrowleft = "↶"; +const curvearrowright = "↷"; +const cuvee = "⋎"; +const cuwed = "⋏"; +const cwconint = "∲"; +const cwint = "∱"; +const cylcty = "⌭"; +const dArr = "⇓"; +const dHar = "⥥"; +const dagger = "†"; +const daleth = "ℸ"; +const darr = "↓"; +const dash = "‐"; +const dashv = "⊣"; +const dbkarow = "⤏"; +const dblac = "˝"; +const dcaron = "ď"; +const dcy = "д"; +const dd = "ⅆ"; +const ddagger = "‡"; +const ddarr = "⇊"; +const ddotseq = "⩷"; +const de = "°"; +const deg$1 = "°"; +const delta = "δ"; +const demptyv = "⦱"; +const dfisht = "⥿"; +const dfr = "𝔡"; +const dharl = "⇃"; +const dharr = "⇂"; +const diam = "⋄"; +const diamond = "⋄"; +const diamondsuit = "♦"; +const diams = "♦"; +const die = "¨"; +const digamma = "ϝ"; +const disin = "⋲"; +const div = "÷"; +const divid = "÷"; +const divide$1 = "÷"; +const divideontimes = "⋇"; +const divonx = "⋇"; +const djcy = "ђ"; +const dlcorn = "⌞"; +const dlcrop = "⌍"; +const dollar = "$"; +const dopf = "𝕕"; +const dot = "˙"; +const doteq = "≐"; +const doteqdot = "≑"; +const dotminus = "∸"; +const dotplus = "∔"; +const dotsquare = "⊡"; +const doublebarwedge = "⌆"; +const downarrow = "↓"; +const downdownarrows = "⇊"; +const downharpoonleft = "⇃"; +const downharpoonright = "⇂"; +const drbkarow = "⤐"; +const drcorn = "⌟"; +const drcrop = "⌌"; +const dscr = "𝒹"; +const dscy = "ѕ"; +const dsol = "⧶"; +const dstrok = "đ"; +const dtdot = "⋱"; +const dtri = "▿"; +const dtrif = "▾"; +const duarr = "⇵"; +const duhar = "⥯"; +const dwangle = "⦦"; +const dzcy = "џ"; +const dzigrarr = "⟿"; +const eDDot = "⩷"; +const eDot = "≑"; +const eacut = "é"; +const eacute$1 = "é"; +const easter = "⩮"; +const ecaron = "ě"; +const ecir = "ê"; +const ecirc$1 = "ê"; +const ecolon = "≕"; +const ecy = "э"; +const edot = "ė"; +const ee = "ⅇ"; +const efDot = "≒"; +const efr = "𝔢"; +const eg = "⪚"; +const egrav = "è"; +const egrave$1 = "è"; +const egs = "⪖"; +const egsdot = "⪘"; +const el = "⪙"; +const elinters = "⏧"; +const ell = "ℓ"; +const els = "⪕"; +const elsdot = "⪗"; +const emacr = "ē"; +const empty = "∅"; +const emptyset = "∅"; +const emptyv = "∅"; +const emsp13 = " "; +const emsp14 = " "; +const emsp = " "; +const eng = "ŋ"; +const ensp = " "; +const eogon = "ę"; +const eopf = "𝕖"; +const epar = "⋕"; +const eparsl = "⧣"; +const eplus = "⩱"; +const epsi = "ε"; +const epsilon = "ε"; +const epsiv = "ϵ"; +const eqcirc = "≖"; +const eqcolon = "≕"; +const eqsim = "≂"; +const eqslantgtr = "⪖"; +const eqslantless = "⪕"; +const equals = "="; +const equest = "≟"; +const equiv = "≡"; +const equivDD = "⩸"; +const eqvparsl = "⧥"; +const erDot = "≓"; +const erarr = "⥱"; +const escr = "ℯ"; +const esdot = "≐"; +const esim = "≂"; +const eta = "η"; +const et = "ð"; +const eth$1 = "ð"; +const eum = "ë"; +const euml$1 = "ë"; +const euro = "€"; +const excl = "!"; +const exist = "∃"; +const expectation = "ℰ"; +const exponentiale = "ⅇ"; +const fallingdotseq = "≒"; +const fcy = "ф"; +const female = "♀"; +const ffilig = "ffi"; +const fflig = "ff"; +const ffllig = "ffl"; +const ffr = "𝔣"; +const filig = "fi"; +const fjlig = "fj"; +const flat = "♭"; +const fllig = "fl"; +const fltns = "▱"; +const fnof = "ƒ"; +const fopf = "𝕗"; +const forall = "∀"; +const fork = "⋔"; +const forkv = "⫙"; +const fpartint = "⨍"; +const frac1 = "¼"; +const frac12$1 = "½"; +const frac13 = "⅓"; +const frac14$1 = "¼"; +const frac15 = "⅕"; +const frac16 = "⅙"; +const frac18 = "⅛"; +const frac23 = "⅔"; +const frac25 = "⅖"; +const frac3 = "¾"; +const frac34$1 = "¾"; +const frac35 = "⅗"; +const frac38 = "⅜"; +const frac45 = "⅘"; +const frac56 = "⅚"; +const frac58 = "⅝"; +const frac78 = "⅞"; +const frasl = "⁄"; +const frown = "⌢"; +const fscr = "𝒻"; +const gE = "≧"; +const gEl = "⪌"; +const gacute = "ǵ"; +const gamma = "γ"; +const gammad = "ϝ"; +const gap = "⪆"; +const gbreve = "ğ"; +const gcirc = "ĝ"; +const gcy = "г"; +const gdot = "ġ"; +const ge = "≥"; +const gel = "⋛"; +const geq = "≥"; +const geqq = "≧"; +const geqslant = "⩾"; +const ges = "⩾"; +const gescc = "⪩"; +const gesdot = "⪀"; +const gesdoto = "⪂"; +const gesdotol = "⪄"; +const gesl = "⋛︀"; +const gesles = "⪔"; +const gfr = "𝔤"; +const gg = "≫"; +const ggg = "⋙"; +const gimel = "ℷ"; +const gjcy = "ѓ"; +const gl = "≷"; +const glE = "⪒"; +const gla = "⪥"; +const glj = "⪤"; +const gnE = "≩"; +const gnap = "⪊"; +const gnapprox = "⪊"; +const gne = "⪈"; +const gneq = "⪈"; +const gneqq = "≩"; +const gnsim = "⋧"; +const gopf = "𝕘"; +const grave = "`"; +const gscr = "ℊ"; +const gsim = "≳"; +const gsime = "⪎"; +const gsiml = "⪐"; +const g = ">"; +const gt$1 = ">"; +const gtcc = "⪧"; +const gtcir = "⩺"; +const gtdot = "⋗"; +const gtlPar = "⦕"; +const gtquest = "⩼"; +const gtrapprox = "⪆"; +const gtrarr = "⥸"; +const gtrdot = "⋗"; +const gtreqless = "⋛"; +const gtreqqless = "⪌"; +const gtrless = "≷"; +const gtrsim = "≳"; +const gvertneqq = "≩︀"; +const gvnE = "≩︀"; +const hArr = "⇔"; +const hairsp = " "; +const half = "½"; +const hamilt = "ℋ"; +const hardcy = "ъ"; +const harr = "↔"; +const harrcir = "⥈"; +const harrw = "↭"; +const hbar = "ℏ"; +const hcirc = "ĥ"; +const hearts = "♥"; +const heartsuit = "♥"; +const hellip = "…"; +const hercon = "⊹"; +const hfr = "𝔥"; +const hksearow = "⤥"; +const hkswarow = "⤦"; +const hoarr = "⇿"; +const homtht = "∻"; +const hookleftarrow = "↩"; +const hookrightarrow = "↪"; +const hopf = "𝕙"; +const horbar = "―"; +const hscr = "𝒽"; +const hslash = "ℏ"; +const hstrok = "ħ"; +const hybull = "⁃"; +const hyphen = "‐"; +const iacut = "í"; +const iacute$1 = "í"; +const ic = "⁣"; +const icir = "î"; +const icirc$1 = "î"; +const icy = "и"; +const iecy = "е"; +const iexc = "¡"; +const iexcl$1 = "¡"; +const iff = "⇔"; +const ifr = "𝔦"; +const igrav = "ì"; +const igrave$1 = "ì"; +const ii = "ⅈ"; +const iiiint = "⨌"; +const iiint = "∭"; +const iinfin = "⧜"; +const iiota = "℩"; +const ijlig = "ij"; +const imacr = "ī"; +const image = "ℑ"; +const imagline = "ℐ"; +const imagpart = "ℑ"; +const imath = "ı"; +const imof = "⊷"; +const imped = "Ƶ"; +const incare = "℅"; +const infin = "∞"; +const infintie = "⧝"; +const inodot = "ı"; +const int = "∫"; +const intcal = "⊺"; +const integers = "ℤ"; +const intercal = "⊺"; +const intlarhk = "⨗"; +const intprod = "⨼"; +const iocy = "ё"; +const iogon = "į"; +const iopf = "𝕚"; +const iota = "ι"; +const iprod = "⨼"; +const iques = "¿"; +const iquest$1 = "¿"; +const iscr = "𝒾"; +const isin = "∈"; +const isinE = "⋹"; +const isindot = "⋵"; +const isins = "⋴"; +const isinsv = "⋳"; +const isinv = "∈"; +const it = "⁢"; +const itilde = "ĩ"; +const iukcy = "і"; +const ium = "ï"; +const iuml$1 = "ï"; +const jcirc = "ĵ"; +const jcy = "й"; +const jfr = "𝔧"; +const jmath = "ȷ"; +const jopf = "𝕛"; +const jscr = "𝒿"; +const jsercy = "ј"; +const jukcy = "є"; +const kappa = "κ"; +const kappav = "ϰ"; +const kcedil = "ķ"; +const kcy = "к"; +const kfr = "𝔨"; +const kgreen = "ĸ"; +const khcy = "х"; +const kjcy = "ќ"; +const kopf = "𝕜"; +const kscr = "𝓀"; +const lAarr = "⇚"; +const lArr = "⇐"; +const lAtail = "⤛"; +const lBarr = "⤎"; +const lE = "≦"; +const lEg = "⪋"; +const lHar = "⥢"; +const lacute = "ĺ"; +const laemptyv = "⦴"; +const lagran = "ℒ"; +const lambda = "λ"; +const lang = "⟨"; +const langd = "⦑"; +const langle = "⟨"; +const lap = "⪅"; +const laqu = "«"; +const laquo$1 = "«"; +const larr = "←"; +const larrb = "⇤"; +const larrbfs = "⤟"; +const larrfs = "⤝"; +const larrhk = "↩"; +const larrlp = "↫"; +const larrpl = "⤹"; +const larrsim = "⥳"; +const larrtl = "↢"; +const lat = "⪫"; +const latail = "⤙"; +const late = "⪭"; +const lates = "⪭︀"; +const lbarr = "⤌"; +const lbbrk = "❲"; +const lbrace = "{"; +const lbrack = "["; +const lbrke = "⦋"; +const lbrksld = "⦏"; +const lbrkslu = "⦍"; +const lcaron = "ľ"; +const lcedil = "ļ"; +const lceil = "⌈"; +const lcub = "{"; +const lcy = "л"; +const ldca = "⤶"; +const ldquo = "“"; +const ldquor = "„"; +const ldrdhar = "⥧"; +const ldrushar = "⥋"; +const ldsh = "↲"; +const le = "≤"; +const leftarrow = "←"; +const leftarrowtail = "↢"; +const leftharpoondown = "↽"; +const leftharpoonup = "↼"; +const leftleftarrows = "⇇"; +const leftrightarrow = "↔"; +const leftrightarrows = "⇆"; +const leftrightharpoons = "⇋"; +const leftrightsquigarrow = "↭"; +const leftthreetimes = "⋋"; +const leg = "⋚"; +const leq = "≤"; +const leqq = "≦"; +const leqslant = "⩽"; +const les = "⩽"; +const lescc = "⪨"; +const lesdot = "⩿"; +const lesdoto = "⪁"; +const lesdotor = "⪃"; +const lesg = "⋚︀"; +const lesges = "⪓"; +const lessapprox = "⪅"; +const lessdot = "⋖"; +const lesseqgtr = "⋚"; +const lesseqqgtr = "⪋"; +const lessgtr = "≶"; +const lesssim = "≲"; +const lfisht = "⥼"; +const lfloor = "⌊"; +const lfr = "𝔩"; +const lg = "≶"; +const lgE = "⪑"; +const lhard = "↽"; +const lharu = "↼"; +const lharul = "⥪"; +const lhblk = "▄"; +const ljcy = "љ"; +const ll = "≪"; +const llarr = "⇇"; +const llcorner = "⌞"; +const llhard = "⥫"; +const lltri = "◺"; +const lmidot = "ŀ"; +const lmoust = "⎰"; +const lmoustache = "⎰"; +const lnE = "≨"; +const lnap = "⪉"; +const lnapprox = "⪉"; +const lne = "⪇"; +const lneq = "⪇"; +const lneqq = "≨"; +const lnsim = "⋦"; +const loang = "⟬"; +const loarr = "⇽"; +const lobrk = "⟦"; +const longleftarrow = "⟵"; +const longleftrightarrow = "⟷"; +const longmapsto = "⟼"; +const longrightarrow = "⟶"; +const looparrowleft = "↫"; +const looparrowright = "↬"; +const lopar = "⦅"; +const lopf = "𝕝"; +const loplus = "⨭"; +const lotimes = "⨴"; +const lowast = "∗"; +const lowbar = "_"; +const loz = "◊"; +const lozenge = "◊"; +const lozf = "⧫"; +const lpar = "("; +const lparlt = "⦓"; +const lrarr = "⇆"; +const lrcorner = "⌟"; +const lrhar = "⇋"; +const lrhard = "⥭"; +const lrm = "‎"; +const lrtri = "⊿"; +const lsaquo = "‹"; +const lscr = "𝓁"; +const lsh = "↰"; +const lsim = "≲"; +const lsime = "⪍"; +const lsimg = "⪏"; +const lsqb = "["; +const lsquo = "‘"; +const lsquor = "‚"; +const lstrok = "ł"; +const l = "<"; +const lt$1 = "<"; +const ltcc = "⪦"; +const ltcir = "⩹"; +const ltdot = "⋖"; +const lthree = "⋋"; +const ltimes = "⋉"; +const ltlarr = "⥶"; +const ltquest = "⩻"; +const ltrPar = "⦖"; +const ltri = "◃"; +const ltrie = "⊴"; +const ltrif = "◂"; +const lurdshar = "⥊"; +const luruhar = "⥦"; +const lvertneqq = "≨︀"; +const lvnE = "≨︀"; +const mDDot = "∺"; +const mac = "¯"; +const macr$1 = "¯"; +const male = "♂"; +const malt = "✠"; +const maltese = "✠"; +const map$2 = "↦"; +const mapsto = "↦"; +const mapstodown = "↧"; +const mapstoleft = "↤"; +const mapstoup = "↥"; +const marker = "▮"; +const mcomma = "⨩"; +const mcy = "м"; +const mdash = "—"; +const measuredangle = "∡"; +const mfr = "𝔪"; +const mho = "℧"; +const micr = "µ"; +const micro$1 = "µ"; +const mid = "∣"; +const midast = "*"; +const midcir = "⫰"; +const middo = "·"; +const middot$1 = "·"; +const minus = "−"; +const minusb = "⊟"; +const minusd = "∸"; +const minusdu = "⨪"; +const mlcp = "⫛"; +const mldr = "…"; +const mnplus = "∓"; +const models$1 = "⊧"; +const mopf = "𝕞"; +const mp = "∓"; +const mscr = "𝓂"; +const mstpos = "∾"; +const mu = "μ"; +const multimap = "⊸"; +const mumap = "⊸"; +const nGg = "⋙̸"; +const nGt = "≫⃒"; +const nGtv = "≫̸"; +const nLeftarrow = "⇍"; +const nLeftrightarrow = "⇎"; +const nLl = "⋘̸"; +const nLt = "≪⃒"; +const nLtv = "≪̸"; +const nRightarrow = "⇏"; +const nVDash = "⊯"; +const nVdash = "⊮"; +const nabla = "∇"; +const nacute = "ń"; +const nang = "∠⃒"; +const nap = "≉"; +const napE = "⩰̸"; +const napid = "≋̸"; +const napos = "ʼn"; +const napprox = "≉"; +const natur = "♮"; +const natural = "♮"; +const naturals = "ℕ"; +const nbs = " "; +const nbsp$1 = " "; +const nbump = "≎̸"; +const nbumpe = "≏̸"; +const ncap = "⩃"; +const ncaron = "ň"; +const ncedil = "ņ"; +const ncong = "≇"; +const ncongdot = "⩭̸"; +const ncup = "⩂"; +const ncy = "н"; +const ndash = "–"; +const ne = "≠"; +const neArr = "⇗"; +const nearhk = "⤤"; +const nearr = "↗"; +const nearrow = "↗"; +const nedot = "≐̸"; +const nequiv = "≢"; +const nesear = "⤨"; +const nesim = "≂̸"; +const nexist = "∄"; +const nexists = "∄"; +const nfr = "𝔫"; +const ngE = "≧̸"; +const nge = "≱"; +const ngeq = "≱"; +const ngeqq = "≧̸"; +const ngeqslant = "⩾̸"; +const nges = "⩾̸"; +const ngsim = "≵"; +const ngt = "≯"; +const ngtr = "≯"; +const nhArr = "⇎"; +const nharr = "↮"; +const nhpar = "⫲"; +const ni = "∋"; +const nis = "⋼"; +const nisd = "⋺"; +const niv = "∋"; +const njcy = "њ"; +const nlArr = "⇍"; +const nlE = "≦̸"; +const nlarr = "↚"; +const nldr = "‥"; +const nle = "≰"; +const nleftarrow = "↚"; +const nleftrightarrow = "↮"; +const nleq = "≰"; +const nleqq = "≦̸"; +const nleqslant = "⩽̸"; +const nles = "⩽̸"; +const nless = "≮"; +const nlsim = "≴"; +const nlt = "≮"; +const nltri = "⋪"; +const nltrie = "⋬"; +const nmid = "∤"; +const nopf = "𝕟"; +const no = "¬"; +const not$1 = "¬"; +const notin = "∉"; +const notinE = "⋹̸"; +const notindot = "⋵̸"; +const notinva = "∉"; +const notinvb = "⋷"; +const notinvc = "⋶"; +const notni = "∌"; +const notniva = "∌"; +const notnivb = "⋾"; +const notnivc = "⋽"; +const npar = "∦"; +const nparallel = "∦"; +const nparsl = "⫽⃥"; +const npart = "∂̸"; +const npolint = "⨔"; +const npr = "⊀"; +const nprcue = "⋠"; +const npre = "⪯̸"; +const nprec = "⊀"; +const npreceq = "⪯̸"; +const nrArr = "⇏"; +const nrarr = "↛"; +const nrarrc = "⤳̸"; +const nrarrw = "↝̸"; +const nrightarrow = "↛"; +const nrtri = "⋫"; +const nrtrie = "⋭"; +const nsc = "⊁"; +const nsccue = "⋡"; +const nsce = "⪰̸"; +const nscr = "𝓃"; +const nshortmid = "∤"; +const nshortparallel = "∦"; +const nsim = "≁"; +const nsime = "≄"; +const nsimeq = "≄"; +const nsmid = "∤"; +const nspar = "∦"; +const nsqsube = "⋢"; +const nsqsupe = "⋣"; +const nsub = "⊄"; +const nsubE = "⫅̸"; +const nsube = "⊈"; +const nsubset = "⊂⃒"; +const nsubseteq = "⊈"; +const nsubseteqq = "⫅̸"; +const nsucc = "⊁"; +const nsucceq = "⪰̸"; +const nsup = "⊅"; +const nsupE = "⫆̸"; +const nsupe = "⊉"; +const nsupset = "⊃⃒"; +const nsupseteq = "⊉"; +const nsupseteqq = "⫆̸"; +const ntgl = "≹"; +const ntild = "ñ"; +const ntilde$1 = "ñ"; +const ntlg = "≸"; +const ntriangleleft = "⋪"; +const ntrianglelefteq = "⋬"; +const ntriangleright = "⋫"; +const ntrianglerighteq = "⋭"; +const nu = "ν"; +const num = "#"; +const numero = "№"; +const numsp = " "; +const nvDash = "⊭"; +const nvHarr = "⤄"; +const nvap = "≍⃒"; +const nvdash = "⊬"; +const nvge = "≥⃒"; +const nvgt = ">⃒"; +const nvinfin = "⧞"; +const nvlArr = "⤂"; +const nvle = "≤⃒"; +const nvlt = "<⃒"; +const nvltrie = "⊴⃒"; +const nvrArr = "⤃"; +const nvrtrie = "⊵⃒"; +const nvsim = "∼⃒"; +const nwArr = "⇖"; +const nwarhk = "⤣"; +const nwarr = "↖"; +const nwarrow = "↖"; +const nwnear = "⤧"; +const oS = "Ⓢ"; +const oacut = "ó"; +const oacute$1 = "ó"; +const oast = "⊛"; +const ocir = "ô"; +const ocirc$1 = "ô"; +const ocy = "о"; +const odash = "⊝"; +const odblac = "ő"; +const odiv = "⨸"; +const odot = "⊙"; +const odsold = "⦼"; +const oelig = "œ"; +const ofcir = "⦿"; +const ofr = "𝔬"; +const ogon = "˛"; +const ograv = "ò"; +const ograve$1 = "ò"; +const ogt = "⧁"; +const ohbar = "⦵"; +const ohm = "Ω"; +const oint = "∮"; +const olarr = "↺"; +const olcir = "⦾"; +const olcross = "⦻"; +const oline = "‾"; +const olt = "⧀"; +const omacr = "ō"; +const omega = "ω"; +const omicron = "ο"; +const omid = "⦶"; +const ominus = "⊖"; +const oopf = "𝕠"; +const opar = "⦷"; +const operp = "⦹"; +const oplus = "⊕"; +const or = "∨"; +const orarr = "↻"; +const ord = "º"; +const order$1 = "ℴ"; +const orderof = "ℴ"; +const ordf$1 = "ª"; +const ordm$1 = "º"; +const origof = "⊶"; +const oror = "⩖"; +const orslope = "⩗"; +const orv = "⩛"; +const oscr = "ℴ"; +const oslas = "ø"; +const oslash$1 = "ø"; +const osol = "⊘"; +const otild = "õ"; +const otilde$1 = "õ"; +const otimes = "⊗"; +const otimesas = "⨶"; +const oum = "ö"; +const ouml$1 = "ö"; +const ovbar = "⌽"; +const par = "¶"; +const para$1 = "¶"; +const parallel = "∥"; +const parsim = "⫳"; +const parsl = "⫽"; +const part = "∂"; +const pcy = "п"; +const percnt = "%"; +const period = "."; +const permil = "‰"; +const perp = "⊥"; +const pertenk = "‱"; +const pfr = "𝔭"; +const phi = "φ"; +const phiv = "ϕ"; +const phmmat = "ℳ"; +const phone = "☎"; +const pi = "π"; +const pitchfork = "⋔"; +const piv = "ϖ"; +const planck = "ℏ"; +const planckh = "ℎ"; +const plankv = "ℏ"; +const plus = "+"; +const plusacir = "⨣"; +const plusb = "⊞"; +const pluscir = "⨢"; +const plusdo = "∔"; +const plusdu = "⨥"; +const pluse = "⩲"; +const plusm = "±"; +const plusmn$1 = "±"; +const plussim = "⨦"; +const plustwo = "⨧"; +const pm = "±"; +const pointint = "⨕"; +const popf = "𝕡"; +const poun = "£"; +const pound$1 = "£"; +const pr = "≺"; +const prE = "⪳"; +const prap = "⪷"; +const prcue = "≼"; +const pre = "⪯"; +const prec = "≺"; +const precapprox = "⪷"; +const preccurlyeq = "≼"; +const preceq = "⪯"; +const precnapprox = "⪹"; +const precneqq = "⪵"; +const precnsim = "⋨"; +const precsim = "≾"; +const prime = "′"; +const primes = "ℙ"; +const prnE = "⪵"; +const prnap = "⪹"; +const prnsim = "⋨"; +const prod = "∏"; +const profalar = "⌮"; +const profline = "⌒"; +const profsurf = "⌓"; +const prop = "∝"; +const propto = "∝"; +const prsim = "≾"; +const prurel = "⊰"; +const pscr = "𝓅"; +const psi = "ψ"; +const puncsp = " "; +const qfr = "𝔮"; +const qint = "⨌"; +const qopf = "𝕢"; +const qprime = "⁗"; +const qscr = "𝓆"; +const quaternions = "ℍ"; +const quatint = "⨖"; +const quest = "?"; +const questeq = "≟"; +const quo = "\""; +const quot$1 = "\""; +const rAarr = "⇛"; +const rArr = "⇒"; +const rAtail = "⤜"; +const rBarr = "⤏"; +const rHar = "⥤"; +const race = "∽̱"; +const racute = "ŕ"; +const radic = "√"; +const raemptyv = "⦳"; +const rang = "⟩"; +const rangd = "⦒"; +const range$1 = "⦥"; +const rangle = "⟩"; +const raqu = "»"; +const raquo$1 = "»"; +const rarr = "→"; +const rarrap = "⥵"; +const rarrb = "⇥"; +const rarrbfs = "⤠"; +const rarrc = "⤳"; +const rarrfs = "⤞"; +const rarrhk = "↪"; +const rarrlp = "↬"; +const rarrpl = "⥅"; +const rarrsim = "⥴"; +const rarrtl = "↣"; +const rarrw = "↝"; +const ratail = "⤚"; +const ratio = "∶"; +const rationals = "ℚ"; +const rbarr = "⤍"; +const rbbrk = "❳"; +const rbrace = "}"; +const rbrack = "]"; +const rbrke = "⦌"; +const rbrksld = "⦎"; +const rbrkslu = "⦐"; +const rcaron = "ř"; +const rcedil = "ŗ"; +const rceil = "⌉"; +const rcub = "}"; +const rcy = "р"; +const rdca = "⤷"; +const rdldhar = "⥩"; +const rdquo = "”"; +const rdquor = "”"; +const rdsh = "↳"; +const real = "ℜ"; +const realine = "ℛ"; +const realpart = "ℜ"; +const reals = "ℝ"; +const rect = "▭"; +const re = "®"; +const reg$1 = "®"; +const rfisht = "⥽"; +const rfloor = "⌋"; +const rfr = "𝔯"; +const rhard = "⇁"; +const rharu = "⇀"; +const rharul = "⥬"; +const rho = "ρ"; +const rhov = "ϱ"; +const rightarrow = "→"; +const rightarrowtail = "↣"; +const rightharpoondown = "⇁"; +const rightharpoonup = "⇀"; +const rightleftarrows = "⇄"; +const rightleftharpoons = "⇌"; +const rightrightarrows = "⇉"; +const rightsquigarrow = "↝"; +const rightthreetimes = "⋌"; +const ring = "˚"; +const risingdotseq = "≓"; +const rlarr = "⇄"; +const rlhar = "⇌"; +const rlm = "‏"; +const rmoust = "⎱"; +const rmoustache = "⎱"; +const rnmid = "⫮"; +const roang = "⟭"; +const roarr = "⇾"; +const robrk = "⟧"; +const ropar = "⦆"; +const ropf = "𝕣"; +const roplus = "⨮"; +const rotimes = "⨵"; +const rpar = ")"; +const rpargt = "⦔"; +const rppolint = "⨒"; +const rrarr = "⇉"; +const rsaquo = "›"; +const rscr = "𝓇"; +const rsh = "↱"; +const rsqb = "]"; +const rsquo = "’"; +const rsquor = "’"; +const rthree = "⋌"; +const rtimes = "⋊"; +const rtri = "▹"; +const rtrie = "⊵"; +const rtrif = "▸"; +const rtriltri = "⧎"; +const ruluhar = "⥨"; +const rx = "℞"; +const sacute = "ś"; +const sbquo = "‚"; +const sc = "≻"; +const scE = "⪴"; +const scap = "⪸"; +const scaron = "š"; +const sccue = "≽"; +const sce = "⪰"; +const scedil = "ş"; +const scirc = "ŝ"; +const scnE = "⪶"; +const scnap = "⪺"; +const scnsim = "⋩"; +const scpolint = "⨓"; +const scsim = "≿"; +const scy = "с"; +const sdot = "⋅"; +const sdotb = "⊡"; +const sdote = "⩦"; +const seArr = "⇘"; +const searhk = "⤥"; +const searr = "↘"; +const searrow = "↘"; +const sec = "§"; +const sect$1 = "§"; +const semi = ";"; +const seswar = "⤩"; +const setminus = "∖"; +const setmn = "∖"; +const sext = "✶"; +const sfr = "𝔰"; +const sfrown = "⌢"; +const sharp = "♯"; +const shchcy = "щ"; +const shcy = "ш"; +const shortmid = "∣"; +const shortparallel = "∥"; +const sh = "­"; +const shy$1 = "­"; +const sigma = "σ"; +const sigmaf = "ς"; +const sigmav = "ς"; +const sim = "∼"; +const simdot = "⩪"; +const sime = "≃"; +const simeq = "≃"; +const simg = "⪞"; +const simgE = "⪠"; +const siml = "⪝"; +const simlE = "⪟"; +const simne = "≆"; +const simplus = "⨤"; +const simrarr = "⥲"; +const slarr = "←"; +const smallsetminus = "∖"; +const smashp = "⨳"; +const smeparsl = "⧤"; +const smid = "∣"; +const smile = "⌣"; +const smt = "⪪"; +const smte = "⪬"; +const smtes = "⪬︀"; +const softcy = "ь"; +const sol = "/"; +const solb = "⧄"; +const solbar = "⌿"; +const sopf = "𝕤"; +const spades = "♠"; +const spadesuit = "♠"; +const spar = "∥"; +const sqcap = "⊓"; +const sqcaps = "⊓︀"; +const sqcup = "⊔"; +const sqcups = "⊔︀"; +const sqsub = "⊏"; +const sqsube = "⊑"; +const sqsubset = "⊏"; +const sqsubseteq = "⊑"; +const sqsup = "⊐"; +const sqsupe = "⊒"; +const sqsupset = "⊐"; +const sqsupseteq = "⊒"; +const squ = "□"; +const square = "□"; +const squarf = "▪"; +const squf = "▪"; +const srarr = "→"; +const sscr = "𝓈"; +const ssetmn = "∖"; +const ssmile = "⌣"; +const sstarf = "⋆"; +const star$1 = "☆"; +const starf = "★"; +const straightepsilon = "ϵ"; +const straightphi = "ϕ"; +const strns = "¯"; +const sub = "⊂"; +const subE = "⫅"; +const subdot = "⪽"; +const sube = "⊆"; +const subedot = "⫃"; +const submult = "⫁"; +const subnE = "⫋"; +const subne = "⊊"; +const subplus = "⪿"; +const subrarr = "⥹"; +const subset = "⊂"; +const subseteq = "⊆"; +const subseteqq = "⫅"; +const subsetneq = "⊊"; +const subsetneqq = "⫋"; +const subsim = "⫇"; +const subsub = "⫕"; +const subsup = "⫓"; +const succ = "≻"; +const succapprox = "⪸"; +const succcurlyeq = "≽"; +const succeq = "⪰"; +const succnapprox = "⪺"; +const succneqq = "⪶"; +const succnsim = "⋩"; +const succsim = "≿"; +const sum = "∑"; +const sung = "♪"; +const sup = "⊃"; +const sup1$1 = "¹"; +const sup2$1 = "²"; +const sup3$1 = "³"; +const supE = "⫆"; +const supdot = "⪾"; +const supdsub = "⫘"; +const supe = "⊇"; +const supedot = "⫄"; +const suphsol = "⟉"; +const suphsub = "⫗"; +const suplarr = "⥻"; +const supmult = "⫂"; +const supnE = "⫌"; +const supne = "⊋"; +const supplus = "⫀"; +const supset = "⊃"; +const supseteq = "⊇"; +const supseteqq = "⫆"; +const supsetneq = "⊋"; +const supsetneqq = "⫌"; +const supsim = "⫈"; +const supsub = "⫔"; +const supsup = "⫖"; +const swArr = "⇙"; +const swarhk = "⤦"; +const swarr = "↙"; +const swarrow = "↙"; +const swnwar = "⤪"; +const szli = "ß"; +const szlig$1 = "ß"; +const target = "⌖"; +const tau = "τ"; +const tbrk = "⎴"; +const tcaron = "ť"; +const tcedil = "ţ"; +const tcy = "т"; +const tdot = "⃛"; +const telrec = "⌕"; +const tfr = "𝔱"; +const there4 = "∴"; +const therefore = "∴"; +const theta = "θ"; +const thetasym = "ϑ"; +const thetav = "ϑ"; +const thickapprox = "≈"; +const thicksim = "∼"; +const thinsp = " "; +const thkap = "≈"; +const thksim = "∼"; +const thor = "þ"; +const thorn$1 = "þ"; +const tilde = "˜"; +const time = "×"; +const times$1 = "×"; +const timesb = "⊠"; +const timesbar = "⨱"; +const timesd = "⨰"; +const tint = "∭"; +const toea = "⤨"; +const top = "⊤"; +const topbot = "⌶"; +const topcir = "⫱"; +const topf = "𝕥"; +const topfork = "⫚"; +const tosa = "⤩"; +const tprime = "‴"; +const trade = "™"; +const triangle = "▵"; +const triangledown = "▿"; +const triangleleft = "◃"; +const trianglelefteq = "⊴"; +const triangleq = "≜"; +const triangleright = "▹"; +const trianglerighteq = "⊵"; +const tridot = "◬"; +const trie = "≜"; +const triminus = "⨺"; +const triplus = "⨹"; +const trisb = "⧍"; +const tritime = "⨻"; +const trpezium = "⏢"; +const tscr = "𝓉"; +const tscy = "ц"; +const tshcy = "ћ"; +const tstrok = "ŧ"; +const twixt = "≬"; +const twoheadleftarrow = "↞"; +const twoheadrightarrow = "↠"; +const uArr = "⇑"; +const uHar = "⥣"; +const uacut = "ú"; +const uacute$1 = "ú"; +const uarr = "↑"; +const ubrcy = "ў"; +const ubreve = "ŭ"; +const ucir = "û"; +const ucirc$1 = "û"; +const ucy = "у"; +const udarr = "⇅"; +const udblac = "ű"; +const udhar = "⥮"; +const ufisht = "⥾"; +const ufr = "𝔲"; +const ugrav = "ù"; +const ugrave$1 = "ù"; +const uharl = "↿"; +const uharr = "↾"; +const uhblk = "▀"; +const ulcorn = "⌜"; +const ulcorner = "⌜"; +const ulcrop = "⌏"; +const ultri = "◸"; +const umacr = "ū"; +const um = "¨"; +const uml$1 = "¨"; +const uogon = "ų"; +const uopf = "𝕦"; +const uparrow = "↑"; +const updownarrow = "↕"; +const upharpoonleft = "↿"; +const upharpoonright = "↾"; +const uplus = "⊎"; +const upsi = "υ"; +const upsih = "ϒ"; +const upsilon = "υ"; +const upuparrows = "⇈"; +const urcorn = "⌝"; +const urcorner = "⌝"; +const urcrop = "⌎"; +const uring = "ů"; +const urtri = "◹"; +const uscr = "𝓊"; +const utdot = "⋰"; +const utilde = "ũ"; +const utri = "▵"; +const utrif = "▴"; +const uuarr = "⇈"; +const uum = "ü"; +const uuml$1 = "ü"; +const uwangle = "⦧"; +const vArr = "⇕"; +const vBar = "⫨"; +const vBarv = "⫩"; +const vDash = "⊨"; +const vangrt = "⦜"; +const varepsilon = "ϵ"; +const varkappa = "ϰ"; +const varnothing = "∅"; +const varphi = "ϕ"; +const varpi = "ϖ"; +const varpropto = "∝"; +const varr = "↕"; +const varrho = "ϱ"; +const varsigma = "ς"; +const varsubsetneq = "⊊︀"; +const varsubsetneqq = "⫋︀"; +const varsupsetneq = "⊋︀"; +const varsupsetneqq = "⫌︀"; +const vartheta = "ϑ"; +const vartriangleleft = "⊲"; +const vartriangleright = "⊳"; +const vcy = "в"; +const vdash = "⊢"; +const vee = "∨"; +const veebar = "⊻"; +const veeeq = "≚"; +const vellip = "⋮"; +const verbar = "|"; +const vert = "|"; +const vfr = "𝔳"; +const vltri = "⊲"; +const vnsub = "⊂⃒"; +const vnsup = "⊃⃒"; +const vopf = "𝕧"; +const vprop = "∝"; +const vrtri = "⊳"; +const vscr = "𝓋"; +const vsubnE = "⫋︀"; +const vsubne = "⊊︀"; +const vsupnE = "⫌︀"; +const vsupne = "⊋︀"; +const vzigzag = "⦚"; +const wcirc = "ŵ"; +const wedbar = "⩟"; +const wedge = "∧"; +const wedgeq = "≙"; +const weierp = "℘"; +const wfr = "𝔴"; +const wopf = "𝕨"; +const wp = "℘"; +const wr = "≀"; +const wreath = "≀"; +const wscr = "𝓌"; +const xcap = "⋂"; +const xcirc = "◯"; +const xcup = "⋃"; +const xdtri = "▽"; +const xfr = "𝔵"; +const xhArr = "⟺"; +const xharr = "⟷"; +const xi = "ξ"; +const xlArr = "⟸"; +const xlarr = "⟵"; +const xmap = "⟼"; +const xnis = "⋻"; +const xodot = "⨀"; +const xopf = "𝕩"; +const xoplus = "⨁"; +const xotime = "⨂"; +const xrArr = "⟹"; +const xrarr = "⟶"; +const xscr = "𝓍"; +const xsqcup = "⨆"; +const xuplus = "⨄"; +const xutri = "△"; +const xvee = "⋁"; +const xwedge = "⋀"; +const yacut = "ý"; +const yacute$1 = "ý"; +const yacy = "я"; +const ycirc = "ŷ"; +const ycy = "ы"; +const ye = "¥"; +const yen$1 = "¥"; +const yfr = "𝔶"; +const yicy = "ї"; +const yopf = "𝕪"; +const yscr = "𝓎"; +const yucy = "ю"; +const yum = "ÿ"; +const yuml$1 = "ÿ"; +const zacute = "ź"; +const zcaron = "ž"; +const zcy = "з"; +const zdot = "ż"; +const zeetrf = "ℨ"; +const zeta = "ζ"; +const zfr = "𝔷"; +const zhcy = "ж"; +const zigrarr = "⇝"; +const zopf = "𝕫"; +const zscr = "𝓏"; +const zwj = "‍"; +const zwnj = "‌"; +var index$3 = { + AEli: AEli, + AElig: AElig$1, + AM: AM, + AMP: AMP$1, + Aacut: Aacut, + Aacute: Aacute$1, + Abreve: Abreve, + Acir: Acir, + Acirc: Acirc$1, + Acy: Acy, + Afr: Afr, + Agrav: Agrav, + Agrave: Agrave$1, + Alpha: Alpha, + Amacr: Amacr, + And: And, + Aogon: Aogon, + Aopf: Aopf, + ApplyFunction: ApplyFunction, + Arin: Arin, + Aring: Aring$1, + Ascr: Ascr, + Assign: Assign, + Atild: Atild, + Atilde: Atilde$1, + Aum: Aum, + Auml: Auml$1, + Backslash: Backslash, + Barv: Barv, + Barwed: Barwed, + Bcy: Bcy, + Because: Because, + Bernoullis: Bernoullis, + Beta: Beta, + Bfr: Bfr, + Bopf: Bopf, + Breve: Breve, + Bscr: Bscr, + Bumpeq: Bumpeq, + CHcy: CHcy, + COP: COP, + COPY: COPY$1, + Cacute: Cacute, + Cap: Cap, + CapitalDifferentialD: CapitalDifferentialD, + Cayleys: Cayleys, + Ccaron: Ccaron, + Ccedi: Ccedi, + Ccedil: Ccedil$1, + Ccirc: Ccirc, + Cconint: Cconint, + Cdot: Cdot, + Cedilla: Cedilla, + CenterDot: CenterDot, + Cfr: Cfr, + Chi: Chi, + CircleDot: CircleDot, + CircleMinus: CircleMinus, + CirclePlus: CirclePlus, + CircleTimes: CircleTimes, + ClockwiseContourIntegral: ClockwiseContourIntegral, + CloseCurlyDoubleQuote: CloseCurlyDoubleQuote, + CloseCurlyQuote: CloseCurlyQuote, + Colon: Colon, + Colone: Colone, + Congruent: Congruent, + Conint: Conint, + ContourIntegral: ContourIntegral, + Copf: Copf, + Coproduct: Coproduct, + CounterClockwiseContourIntegral: CounterClockwiseContourIntegral, + Cross: Cross, + Cscr: Cscr, + Cup: Cup, + CupCap: CupCap, + DD: DD, + DDotrahd: DDotrahd, + DJcy: DJcy, + DScy: DScy, + DZcy: DZcy, + Dagger: Dagger, + Darr: Darr, + Dashv: Dashv, + Dcaron: Dcaron, + Dcy: Dcy, + Del: Del, + Delta: Delta, + Dfr: Dfr, + DiacriticalAcute: DiacriticalAcute, + DiacriticalDot: DiacriticalDot, + DiacriticalDoubleAcute: DiacriticalDoubleAcute, + DiacriticalGrave: DiacriticalGrave, + DiacriticalTilde: DiacriticalTilde, + Diamond: Diamond, + DifferentialD: DifferentialD, + Dopf: Dopf, + Dot: Dot, + DotDot: DotDot, + DotEqual: DotEqual, + DoubleContourIntegral: DoubleContourIntegral, + DoubleDot: DoubleDot, + DoubleDownArrow: DoubleDownArrow, + DoubleLeftArrow: DoubleLeftArrow, + DoubleLeftRightArrow: DoubleLeftRightArrow, + DoubleLeftTee: DoubleLeftTee, + DoubleLongLeftArrow: DoubleLongLeftArrow, + DoubleLongLeftRightArrow: DoubleLongLeftRightArrow, + DoubleLongRightArrow: DoubleLongRightArrow, + DoubleRightArrow: DoubleRightArrow, + DoubleRightTee: DoubleRightTee, + DoubleUpArrow: DoubleUpArrow, + DoubleUpDownArrow: DoubleUpDownArrow, + DoubleVerticalBar: DoubleVerticalBar, + DownArrow: DownArrow, + DownArrowBar: DownArrowBar, + DownArrowUpArrow: DownArrowUpArrow, + DownBreve: DownBreve, + DownLeftRightVector: DownLeftRightVector, + DownLeftTeeVector: DownLeftTeeVector, + DownLeftVector: DownLeftVector, + DownLeftVectorBar: DownLeftVectorBar, + DownRightTeeVector: DownRightTeeVector, + DownRightVector: DownRightVector, + DownRightVectorBar: DownRightVectorBar, + DownTee: DownTee, + DownTeeArrow: DownTeeArrow, + Downarrow: Downarrow, + Dscr: Dscr, + Dstrok: Dstrok, + ENG: ENG, + ET: ET, + ETH: ETH$1, + Eacut: Eacut, + Eacute: Eacute$1, + Ecaron: Ecaron, + Ecir: Ecir, + Ecirc: Ecirc$1, + Ecy: Ecy, + Edot: Edot, + Efr: Efr, + Egrav: Egrav, + Egrave: Egrave$1, + Element: Element, + Emacr: Emacr, + EmptySmallSquare: EmptySmallSquare, + EmptyVerySmallSquare: EmptyVerySmallSquare, + Eogon: Eogon, + Eopf: Eopf, + Epsilon: Epsilon, + Equal: Equal, + EqualTilde: EqualTilde, + Equilibrium: Equilibrium, + Escr: Escr, + Esim: Esim, + Eta: Eta, + Eum: Eum, + Euml: Euml$1, + Exists: Exists, + ExponentialE: ExponentialE, + Fcy: Fcy, + Ffr: Ffr, + FilledSmallSquare: FilledSmallSquare, + FilledVerySmallSquare: FilledVerySmallSquare, + Fopf: Fopf, + ForAll: ForAll, + Fouriertrf: Fouriertrf, + Fscr: Fscr, + GJcy: GJcy, + G: G, + GT: GT$1, + Gamma: Gamma, + Gammad: Gammad, + Gbreve: Gbreve, + Gcedil: Gcedil, + Gcirc: Gcirc, + Gcy: Gcy, + Gdot: Gdot, + Gfr: Gfr, + Gg: Gg, + Gopf: Gopf, + GreaterEqual: GreaterEqual, + GreaterEqualLess: GreaterEqualLess, + GreaterFullEqual: GreaterFullEqual, + GreaterGreater: GreaterGreater, + GreaterLess: GreaterLess, + GreaterSlantEqual: GreaterSlantEqual, + GreaterTilde: GreaterTilde, + Gscr: Gscr, + Gt: Gt, + HARDcy: HARDcy, + Hacek: Hacek, + Hat: Hat, + Hcirc: Hcirc, + Hfr: Hfr, + HilbertSpace: HilbertSpace, + Hopf: Hopf, + HorizontalLine: HorizontalLine, + Hscr: Hscr, + Hstrok: Hstrok, + HumpDownHump: HumpDownHump, + HumpEqual: HumpEqual, + IEcy: IEcy, + IJlig: IJlig, + IOcy: IOcy, + Iacut: Iacut, + Iacute: Iacute$1, + Icir: Icir, + Icirc: Icirc$1, + Icy: Icy, + Idot: Idot, + Ifr: Ifr, + Igrav: Igrav, + Igrave: Igrave$1, + Im: Im, + Imacr: Imacr, + ImaginaryI: ImaginaryI, + Implies: Implies, + Int: Int, + Integral: Integral, + Intersection: Intersection, + InvisibleComma: InvisibleComma, + InvisibleTimes: InvisibleTimes, + Iogon: Iogon, + Iopf: Iopf, + Iota: Iota, + Iscr: Iscr, + Itilde: Itilde, + Iukcy: Iukcy, + Ium: Ium, + Iuml: Iuml$1, + Jcirc: Jcirc, + Jcy: Jcy, + Jfr: Jfr, + Jopf: Jopf, + Jscr: Jscr, + Jsercy: Jsercy, + Jukcy: Jukcy, + KHcy: KHcy, + KJcy: KJcy, + Kappa: Kappa, + Kcedil: Kcedil, + Kcy: Kcy, + Kfr: Kfr, + Kopf: Kopf, + Kscr: Kscr, + LJcy: LJcy, + L: L, + LT: LT$1, + Lacute: Lacute, + Lambda: Lambda, + Lang: Lang, + Laplacetrf: Laplacetrf, + Larr: Larr, + Lcaron: Lcaron, + Lcedil: Lcedil, + Lcy: Lcy, + LeftAngleBracket: LeftAngleBracket, + LeftArrow: LeftArrow, + LeftArrowBar: LeftArrowBar, + LeftArrowRightArrow: LeftArrowRightArrow, + LeftCeiling: LeftCeiling, + LeftDoubleBracket: LeftDoubleBracket, + LeftDownTeeVector: LeftDownTeeVector, + LeftDownVector: LeftDownVector, + LeftDownVectorBar: LeftDownVectorBar, + LeftFloor: LeftFloor, + LeftRightArrow: LeftRightArrow, + LeftRightVector: LeftRightVector, + LeftTee: LeftTee, + LeftTeeArrow: LeftTeeArrow, + LeftTeeVector: LeftTeeVector, + LeftTriangle: LeftTriangle, + LeftTriangleBar: LeftTriangleBar, + LeftTriangleEqual: LeftTriangleEqual, + LeftUpDownVector: LeftUpDownVector, + LeftUpTeeVector: LeftUpTeeVector, + LeftUpVector: LeftUpVector, + LeftUpVectorBar: LeftUpVectorBar, + LeftVector: LeftVector, + LeftVectorBar: LeftVectorBar, + Leftarrow: Leftarrow, + Leftrightarrow: Leftrightarrow, + LessEqualGreater: LessEqualGreater, + LessFullEqual: LessFullEqual, + LessGreater: LessGreater, + LessLess: LessLess, + LessSlantEqual: LessSlantEqual, + LessTilde: LessTilde, + Lfr: Lfr, + Ll: Ll, + Lleftarrow: Lleftarrow, + Lmidot: Lmidot, + LongLeftArrow: LongLeftArrow, + LongLeftRightArrow: LongLeftRightArrow, + LongRightArrow: LongRightArrow, + Longleftarrow: Longleftarrow, + Longleftrightarrow: Longleftrightarrow, + Longrightarrow: Longrightarrow, + Lopf: Lopf, + LowerLeftArrow: LowerLeftArrow, + LowerRightArrow: LowerRightArrow, + Lscr: Lscr, + Lsh: Lsh, + Lstrok: Lstrok, + Lt: Lt, + "Map": "⤅", + Mcy: Mcy, + MediumSpace: MediumSpace, + Mellintrf: Mellintrf, + Mfr: Mfr, + MinusPlus: MinusPlus, + Mopf: Mopf, + Mscr: Mscr, + Mu: Mu, + NJcy: NJcy, + Nacute: Nacute, + Ncaron: Ncaron, + Ncedil: Ncedil, + Ncy: Ncy, + NegativeMediumSpace: NegativeMediumSpace, + NegativeThickSpace: NegativeThickSpace, + NegativeThinSpace: NegativeThinSpace, + NegativeVeryThinSpace: NegativeVeryThinSpace, + NestedGreaterGreater: NestedGreaterGreater, + NestedLessLess: NestedLessLess, + NewLine: NewLine, + Nfr: Nfr, + NoBreak: NoBreak, + NonBreakingSpace: NonBreakingSpace, + Nopf: Nopf, + Not: Not, + NotCongruent: NotCongruent, + NotCupCap: NotCupCap, + NotDoubleVerticalBar: NotDoubleVerticalBar, + NotElement: NotElement, + NotEqual: NotEqual, + NotEqualTilde: NotEqualTilde, + NotExists: NotExists, + NotGreater: NotGreater, + NotGreaterEqual: NotGreaterEqual, + NotGreaterFullEqual: NotGreaterFullEqual, + NotGreaterGreater: NotGreaterGreater, + NotGreaterLess: NotGreaterLess, + NotGreaterSlantEqual: NotGreaterSlantEqual, + NotGreaterTilde: NotGreaterTilde, + NotHumpDownHump: NotHumpDownHump, + NotHumpEqual: NotHumpEqual, + NotLeftTriangle: NotLeftTriangle, + NotLeftTriangleBar: NotLeftTriangleBar, + NotLeftTriangleEqual: NotLeftTriangleEqual, + NotLess: NotLess, + NotLessEqual: NotLessEqual, + NotLessGreater: NotLessGreater, + NotLessLess: NotLessLess, + NotLessSlantEqual: NotLessSlantEqual, + NotLessTilde: NotLessTilde, + NotNestedGreaterGreater: NotNestedGreaterGreater, + NotNestedLessLess: NotNestedLessLess, + NotPrecedes: NotPrecedes, + NotPrecedesEqual: NotPrecedesEqual, + NotPrecedesSlantEqual: NotPrecedesSlantEqual, + NotReverseElement: NotReverseElement, + NotRightTriangle: NotRightTriangle, + NotRightTriangleBar: NotRightTriangleBar, + NotRightTriangleEqual: NotRightTriangleEqual, + NotSquareSubset: NotSquareSubset, + NotSquareSubsetEqual: NotSquareSubsetEqual, + NotSquareSuperset: NotSquareSuperset, + NotSquareSupersetEqual: NotSquareSupersetEqual, + NotSubset: NotSubset, + NotSubsetEqual: NotSubsetEqual, + NotSucceeds: NotSucceeds, + NotSucceedsEqual: NotSucceedsEqual, + NotSucceedsSlantEqual: NotSucceedsSlantEqual, + NotSucceedsTilde: NotSucceedsTilde, + NotSuperset: NotSuperset, + NotSupersetEqual: NotSupersetEqual, + NotTilde: NotTilde, + NotTildeEqual: NotTildeEqual, + NotTildeFullEqual: NotTildeFullEqual, + NotTildeTilde: NotTildeTilde, + NotVerticalBar: NotVerticalBar, + Nscr: Nscr, + Ntild: Ntild, + Ntilde: Ntilde$1, + Nu: Nu, + OElig: OElig, + Oacut: Oacut, + Oacute: Oacute$1, + Ocir: Ocir, + Ocirc: Ocirc$1, + Ocy: Ocy, + Odblac: Odblac, + Ofr: Ofr, + Ograv: Ograv, + Ograve: Ograve$1, + Omacr: Omacr, + Omega: Omega, + Omicron: Omicron, + Oopf: Oopf, + OpenCurlyDoubleQuote: OpenCurlyDoubleQuote, + OpenCurlyQuote: OpenCurlyQuote, + Or: Or, + Oscr: Oscr, + Oslas: Oslas, + Oslash: Oslash$1, + Otild: Otild, + Otilde: Otilde$1, + Otimes: Otimes, + Oum: Oum, + Ouml: Ouml$1, + OverBar: OverBar, + OverBrace: OverBrace, + OverBracket: OverBracket, + OverParenthesis: OverParenthesis, + PartialD: PartialD, + Pcy: Pcy, + Pfr: Pfr, + Phi: Phi, + Pi: Pi, + PlusMinus: PlusMinus, + Poincareplane: Poincareplane, + Popf: Popf, + Pr: Pr, + Precedes: Precedes, + PrecedesEqual: PrecedesEqual, + PrecedesSlantEqual: PrecedesSlantEqual, + PrecedesTilde: PrecedesTilde, + Prime: Prime, + Product: Product, + Proportion: Proportion, + Proportional: Proportional, + Pscr: Pscr, + Psi: Psi, + QUO: QUO, + QUOT: QUOT$1, + Qfr: Qfr, + Qopf: Qopf, + Qscr: Qscr, + RBarr: RBarr, + RE: RE, + REG: REG$1, + Racute: Racute, + Rang: Rang, + Rarr: Rarr, + Rarrtl: Rarrtl, + Rcaron: Rcaron, + Rcedil: Rcedil, + Rcy: Rcy, + Re: Re, + ReverseElement: ReverseElement, + ReverseEquilibrium: ReverseEquilibrium, + ReverseUpEquilibrium: ReverseUpEquilibrium, + Rfr: Rfr, + Rho: Rho, + RightAngleBracket: RightAngleBracket, + RightArrow: RightArrow, + RightArrowBar: RightArrowBar, + RightArrowLeftArrow: RightArrowLeftArrow, + RightCeiling: RightCeiling, + RightDoubleBracket: RightDoubleBracket, + RightDownTeeVector: RightDownTeeVector, + RightDownVector: RightDownVector, + RightDownVectorBar: RightDownVectorBar, + RightFloor: RightFloor, + RightTee: RightTee, + RightTeeArrow: RightTeeArrow, + RightTeeVector: RightTeeVector, + RightTriangle: RightTriangle, + RightTriangleBar: RightTriangleBar, + RightTriangleEqual: RightTriangleEqual, + RightUpDownVector: RightUpDownVector, + RightUpTeeVector: RightUpTeeVector, + RightUpVector: RightUpVector, + RightUpVectorBar: RightUpVectorBar, + RightVector: RightVector, + RightVectorBar: RightVectorBar, + Rightarrow: Rightarrow, + Ropf: Ropf, + RoundImplies: RoundImplies, + Rrightarrow: Rrightarrow, + Rscr: Rscr, + Rsh: Rsh, + RuleDelayed: RuleDelayed, + SHCHcy: SHCHcy, + SHcy: SHcy, + SOFTcy: SOFTcy, + Sacute: Sacute, + Sc: Sc, + Scaron: Scaron, + Scedil: Scedil, + Scirc: Scirc, + Scy: Scy, + Sfr: Sfr, + ShortDownArrow: ShortDownArrow, + ShortLeftArrow: ShortLeftArrow, + ShortRightArrow: ShortRightArrow, + ShortUpArrow: ShortUpArrow, + Sigma: Sigma, + SmallCircle: SmallCircle, + Sopf: Sopf, + Sqrt: Sqrt, + Square: Square, + SquareIntersection: SquareIntersection, + SquareSubset: SquareSubset, + SquareSubsetEqual: SquareSubsetEqual, + SquareSuperset: SquareSuperset, + SquareSupersetEqual: SquareSupersetEqual, + SquareUnion: SquareUnion, + Sscr: Sscr, + Star: Star, + Sub: Sub, + Subset: Subset, + SubsetEqual: SubsetEqual, + Succeeds: Succeeds, + SucceedsEqual: SucceedsEqual, + SucceedsSlantEqual: SucceedsSlantEqual, + SucceedsTilde: SucceedsTilde, + SuchThat: SuchThat, + Sum: Sum, + Sup: Sup, + Superset: Superset, + SupersetEqual: SupersetEqual, + Supset: Supset, + THOR: THOR, + THORN: THORN$1, + TRADE: TRADE, + TSHcy: TSHcy, + TScy: TScy, + Tab: Tab, + Tau: Tau, + Tcaron: Tcaron, + Tcedil: Tcedil, + Tcy: Tcy, + Tfr: Tfr, + Therefore: Therefore, + Theta: Theta, + ThickSpace: ThickSpace, + ThinSpace: ThinSpace, + Tilde: Tilde, + TildeEqual: TildeEqual, + TildeFullEqual: TildeFullEqual, + TildeTilde: TildeTilde, + Topf: Topf, + TripleDot: TripleDot, + Tscr: Tscr, + Tstrok: Tstrok, + Uacut: Uacut, + Uacute: Uacute$1, + Uarr: Uarr, + Uarrocir: Uarrocir, + Ubrcy: Ubrcy, + Ubreve: Ubreve, + Ucir: Ucir, + Ucirc: Ucirc$1, + Ucy: Ucy, + Udblac: Udblac, + Ufr: Ufr, + Ugrav: Ugrav, + Ugrave: Ugrave$1, + Umacr: Umacr, + UnderBar: UnderBar, + UnderBrace: UnderBrace, + UnderBracket: UnderBracket, + UnderParenthesis: UnderParenthesis, + Union: Union, + UnionPlus: UnionPlus, + Uogon: Uogon, + Uopf: Uopf, + UpArrow: UpArrow, + UpArrowBar: UpArrowBar, + UpArrowDownArrow: UpArrowDownArrow, + UpDownArrow: UpDownArrow, + UpEquilibrium: UpEquilibrium, + UpTee: UpTee, + UpTeeArrow: UpTeeArrow, + Uparrow: Uparrow, + Updownarrow: Updownarrow, + UpperLeftArrow: UpperLeftArrow, + UpperRightArrow: UpperRightArrow, + Upsi: Upsi, + Upsilon: Upsilon, + Uring: Uring, + Uscr: Uscr, + Utilde: Utilde, + Uum: Uum, + Uuml: Uuml$1, + VDash: VDash, + Vbar: Vbar, + Vcy: Vcy, + Vdash: Vdash, + Vdashl: Vdashl, + Vee: Vee, + Verbar: Verbar, + Vert: Vert, + VerticalBar: VerticalBar, + VerticalLine: VerticalLine, + VerticalSeparator: VerticalSeparator, + VerticalTilde: VerticalTilde, + VeryThinSpace: VeryThinSpace, + Vfr: Vfr, + Vopf: Vopf, + Vscr: Vscr, + Vvdash: Vvdash, + Wcirc: Wcirc, + Wedge: Wedge, + Wfr: Wfr, + Wopf: Wopf, + Wscr: Wscr, + Xfr: Xfr, + Xi: Xi, + Xopf: Xopf, + Xscr: Xscr, + YAcy: YAcy, + YIcy: YIcy, + YUcy: YUcy, + Yacut: Yacut, + Yacute: Yacute$1, + Ycirc: Ycirc, + Ycy: Ycy, + Yfr: Yfr, + Yopf: Yopf, + Yscr: Yscr, + Yuml: Yuml, + ZHcy: ZHcy, + Zacute: Zacute, + Zcaron: Zcaron, + Zcy: Zcy, + Zdot: Zdot, + ZeroWidthSpace: ZeroWidthSpace, + Zeta: Zeta, + Zfr: Zfr, + Zopf: Zopf, + Zscr: Zscr, + aacut: aacut, + aacute: aacute$1, + abreve: abreve, + ac: ac, + acE: acE, + acd: acd, + acir: acir, + acirc: acirc$1, + acut: acut, + acute: acute$1, + acy: acy, + aeli: aeli, + aelig: aelig$1, + af: af, + afr: afr, + agrav: agrav, + agrave: agrave$1, + alefsym: alefsym, + aleph: aleph, + alpha: alpha, + amacr: amacr, + amalg: amalg, + am: am, + amp: amp$1, + and: and, + andand: andand, + andd: andd, + andslope: andslope, + andv: andv, + ang: ang, + ange: ange, + angle: angle, + angmsd: angmsd, + angmsdaa: angmsdaa, + angmsdab: angmsdab, + angmsdac: angmsdac, + angmsdad: angmsdad, + angmsdae: angmsdae, + angmsdaf: angmsdaf, + angmsdag: angmsdag, + angmsdah: angmsdah, + angrt: angrt, + angrtvb: angrtvb, + angrtvbd: angrtvbd, + angsph: angsph, + angst: angst, + angzarr: angzarr, + aogon: aogon, + aopf: aopf, + ap: ap, + apE: apE, + apacir: apacir, + ape: ape, + apid: apid, + apos: apos, + approx: approx, + approxeq: approxeq, + arin: arin, + aring: aring$1, + ascr: ascr, + ast: ast, + asymp: asymp, + asympeq: asympeq, + atild: atild, + atilde: atilde$1, + aum: aum, + auml: auml$1, + awconint: awconint, + awint: awint, + bNot: bNot, + backcong: backcong, + backepsilon: backepsilon, + backprime: backprime, + backsim: backsim, + backsimeq: backsimeq, + barvee: barvee, + barwed: barwed, + barwedge: barwedge, + bbrk: bbrk, + bbrktbrk: bbrktbrk, + bcong: bcong, + bcy: bcy, + bdquo: bdquo, + becaus: becaus, + because: because, + bemptyv: bemptyv, + bepsi: bepsi, + bernou: bernou, + beta: beta, + beth: beth, + between: between, + bfr: bfr, + bigcap: bigcap, + bigcirc: bigcirc, + bigcup: bigcup, + bigodot: bigodot, + bigoplus: bigoplus, + bigotimes: bigotimes, + bigsqcup: bigsqcup, + bigstar: bigstar, + bigtriangledown: bigtriangledown, + bigtriangleup: bigtriangleup, + biguplus: biguplus, + bigvee: bigvee, + bigwedge: bigwedge, + bkarow: bkarow, + blacklozenge: blacklozenge, + blacksquare: blacksquare, + blacktriangle: blacktriangle, + blacktriangledown: blacktriangledown, + blacktriangleleft: blacktriangleleft, + blacktriangleright: blacktriangleright, + blank: blank, + blk12: blk12, + blk14: blk14, + blk34: blk34, + block: block, + bne: bne, + bnequiv: bnequiv, + bnot: bnot, + bopf: bopf, + bot: bot, + bottom: bottom, + bowtie: bowtie, + boxDL: boxDL, + boxDR: boxDR, + boxDl: boxDl, + boxDr: boxDr, + boxH: boxH, + boxHD: boxHD, + boxHU: boxHU, + boxHd: boxHd, + boxHu: boxHu, + boxUL: boxUL, + boxUR: boxUR, + boxUl: boxUl, + boxUr: boxUr, + boxV: boxV, + boxVH: boxVH, + boxVL: boxVL, + boxVR: boxVR, + boxVh: boxVh, + boxVl: boxVl, + boxVr: boxVr, + boxbox: boxbox, + boxdL: boxdL, + boxdR: boxdR, + boxdl: boxdl, + boxdr: boxdr, + boxh: boxh, + boxhD: boxhD, + boxhU: boxhU, + boxhd: boxhd, + boxhu: boxhu, + boxminus: boxminus, + boxplus: boxplus, + boxtimes: boxtimes, + boxuL: boxuL, + boxuR: boxuR, + boxul: boxul, + boxur: boxur, + boxv: boxv, + boxvH: boxvH, + boxvL: boxvL, + boxvR: boxvR, + boxvh: boxvh, + boxvl: boxvl, + boxvr: boxvr, + bprime: bprime, + breve: breve, + brvba: brvba, + brvbar: brvbar$1, + bscr: bscr, + bsemi: bsemi, + bsim: bsim, + bsime: bsime, + bsol: bsol, + bsolb: bsolb, + bsolhsub: bsolhsub, + bull: bull, + bullet: bullet, + bump: bump, + bumpE: bumpE, + bumpe: bumpe, + bumpeq: bumpeq, + cacute: cacute, + cap: cap, + capand: capand, + capbrcup: capbrcup, + capcap: capcap, + capcup: capcup, + capdot: capdot, + caps: caps, + caret: caret, + caron: caron, + ccaps: ccaps, + ccaron: ccaron, + ccedi: ccedi, + ccedil: ccedil$1, + ccirc: ccirc, + ccups: ccups, + ccupssm: ccupssm, + cdot: cdot, + cedi: cedi, + cedil: cedil$1, + cemptyv: cemptyv, + cen: cen, + cent: cent$1, + centerdot: centerdot, + cfr: cfr, + chcy: chcy, + check: check$2, + checkmark: checkmark, + chi: chi, + cir: cir, + cirE: cirE, + circ: circ, + circeq: circeq, + circlearrowleft: circlearrowleft, + circlearrowright: circlearrowright, + circledR: circledR, + circledS: circledS, + circledast: circledast, + circledcirc: circledcirc, + circleddash: circleddash, + cire: cire, + cirfnint: cirfnint, + cirmid: cirmid, + cirscir: cirscir, + clubs: clubs, + clubsuit: clubsuit, + colon: colon, + colone: colone, + coloneq: coloneq, + comma: comma, + commat: commat, + comp: comp, + compfn: compfn, + complement: complement, + complexes: complexes, + cong: cong, + congdot: congdot, + conint: conint, + copf: copf, + coprod: coprod, + cop: cop, + copy: copy$2, + copysr: copysr, + crarr: crarr, + cross: cross, + cscr: cscr, + csub: csub, + csube: csube, + csup: csup, + csupe: csupe, + ctdot: ctdot, + cudarrl: cudarrl, + cudarrr: cudarrr, + cuepr: cuepr, + cuesc: cuesc, + cularr: cularr, + cularrp: cularrp, + cup: cup, + cupbrcap: cupbrcap, + cupcap: cupcap, + cupcup: cupcup, + cupdot: cupdot, + cupor: cupor, + cups: cups, + curarr: curarr, + curarrm: curarrm, + curlyeqprec: curlyeqprec, + curlyeqsucc: curlyeqsucc, + curlyvee: curlyvee, + curlywedge: curlywedge, + curre: curre, + curren: curren$1, + curvearrowleft: curvearrowleft, + curvearrowright: curvearrowright, + cuvee: cuvee, + cuwed: cuwed, + cwconint: cwconint, + cwint: cwint, + cylcty: cylcty, + dArr: dArr, + dHar: dHar, + dagger: dagger, + daleth: daleth, + darr: darr, + dash: dash, + dashv: dashv, + dbkarow: dbkarow, + dblac: dblac, + dcaron: dcaron, + dcy: dcy, + dd: dd, + ddagger: ddagger, + ddarr: ddarr, + ddotseq: ddotseq, + de: de, + deg: deg$1, + delta: delta, + demptyv: demptyv, + dfisht: dfisht, + dfr: dfr, + dharl: dharl, + dharr: dharr, + diam: diam, + diamond: diamond, + diamondsuit: diamondsuit, + diams: diams, + die: die, + digamma: digamma, + disin: disin, + div: div, + divid: divid, + divide: divide$1, + divideontimes: divideontimes, + divonx: divonx, + djcy: djcy, + dlcorn: dlcorn, + dlcrop: dlcrop, + dollar: dollar, + dopf: dopf, + dot: dot, + doteq: doteq, + doteqdot: doteqdot, + dotminus: dotminus, + dotplus: dotplus, + dotsquare: dotsquare, + doublebarwedge: doublebarwedge, + downarrow: downarrow, + downdownarrows: downdownarrows, + downharpoonleft: downharpoonleft, + downharpoonright: downharpoonright, + drbkarow: drbkarow, + drcorn: drcorn, + drcrop: drcrop, + dscr: dscr, + dscy: dscy, + dsol: dsol, + dstrok: dstrok, + dtdot: dtdot, + dtri: dtri, + dtrif: dtrif, + duarr: duarr, + duhar: duhar, + dwangle: dwangle, + dzcy: dzcy, + dzigrarr: dzigrarr, + eDDot: eDDot, + eDot: eDot, + eacut: eacut, + eacute: eacute$1, + easter: easter, + ecaron: ecaron, + ecir: ecir, + ecirc: ecirc$1, + ecolon: ecolon, + ecy: ecy, + edot: edot, + ee: ee, + efDot: efDot, + efr: efr, + eg: eg, + egrav: egrav, + egrave: egrave$1, + egs: egs, + egsdot: egsdot, + el: el, + elinters: elinters, + ell: ell, + els: els, + elsdot: elsdot, + emacr: emacr, + empty: empty, + emptyset: emptyset, + emptyv: emptyv, + emsp13: emsp13, + emsp14: emsp14, + emsp: emsp, + eng: eng, + ensp: ensp, + eogon: eogon, + eopf: eopf, + epar: epar, + eparsl: eparsl, + eplus: eplus, + epsi: epsi, + epsilon: epsilon, + epsiv: epsiv, + eqcirc: eqcirc, + eqcolon: eqcolon, + eqsim: eqsim, + eqslantgtr: eqslantgtr, + eqslantless: eqslantless, + equals: equals, + equest: equest, + equiv: equiv, + equivDD: equivDD, + eqvparsl: eqvparsl, + erDot: erDot, + erarr: erarr, + escr: escr, + esdot: esdot, + esim: esim, + eta: eta, + et: et, + eth: eth$1, + eum: eum, + euml: euml$1, + euro: euro, + excl: excl, + exist: exist, + expectation: expectation, + exponentiale: exponentiale, + fallingdotseq: fallingdotseq, + fcy: fcy, + female: female, + ffilig: ffilig, + fflig: fflig, + ffllig: ffllig, + ffr: ffr, + filig: filig, + fjlig: fjlig, + flat: flat, + fllig: fllig, + fltns: fltns, + fnof: fnof, + fopf: fopf, + forall: forall, + fork: fork, + forkv: forkv, + fpartint: fpartint, + frac1: frac1, + frac12: frac12$1, + frac13: frac13, + frac14: frac14$1, + frac15: frac15, + frac16: frac16, + frac18: frac18, + frac23: frac23, + frac25: frac25, + frac3: frac3, + frac34: frac34$1, + frac35: frac35, + frac38: frac38, + frac45: frac45, + frac56: frac56, + frac58: frac58, + frac78: frac78, + frasl: frasl, + frown: frown, + fscr: fscr, + gE: gE, + gEl: gEl, + gacute: gacute, + gamma: gamma, + gammad: gammad, + gap: gap, + gbreve: gbreve, + gcirc: gcirc, + gcy: gcy, + gdot: gdot, + ge: ge, + gel: gel, + geq: geq, + geqq: geqq, + geqslant: geqslant, + ges: ges, + gescc: gescc, + gesdot: gesdot, + gesdoto: gesdoto, + gesdotol: gesdotol, + gesl: gesl, + gesles: gesles, + gfr: gfr, + gg: gg, + ggg: ggg, + gimel: gimel, + gjcy: gjcy, + gl: gl, + glE: glE, + gla: gla, + glj: glj, + gnE: gnE, + gnap: gnap, + gnapprox: gnapprox, + gne: gne, + gneq: gneq, + gneqq: gneqq, + gnsim: gnsim, + gopf: gopf, + grave: grave, + gscr: gscr, + gsim: gsim, + gsime: gsime, + gsiml: gsiml, + g: g, + gt: gt$1, + gtcc: gtcc, + gtcir: gtcir, + gtdot: gtdot, + gtlPar: gtlPar, + gtquest: gtquest, + gtrapprox: gtrapprox, + gtrarr: gtrarr, + gtrdot: gtrdot, + gtreqless: gtreqless, + gtreqqless: gtreqqless, + gtrless: gtrless, + gtrsim: gtrsim, + gvertneqq: gvertneqq, + gvnE: gvnE, + hArr: hArr, + hairsp: hairsp, + half: half, + hamilt: hamilt, + hardcy: hardcy, + harr: harr, + harrcir: harrcir, + harrw: harrw, + hbar: hbar, + hcirc: hcirc, + hearts: hearts, + heartsuit: heartsuit, + hellip: hellip, + hercon: hercon, + hfr: hfr, + hksearow: hksearow, + hkswarow: hkswarow, + hoarr: hoarr, + homtht: homtht, + hookleftarrow: hookleftarrow, + hookrightarrow: hookrightarrow, + hopf: hopf, + horbar: horbar, + hscr: hscr, + hslash: hslash, + hstrok: hstrok, + hybull: hybull, + hyphen: hyphen, + iacut: iacut, + iacute: iacute$1, + ic: ic, + icir: icir, + icirc: icirc$1, + icy: icy, + iecy: iecy, + iexc: iexc, + iexcl: iexcl$1, + iff: iff, + ifr: ifr, + igrav: igrav, + igrave: igrave$1, + ii: ii, + iiiint: iiiint, + iiint: iiint, + iinfin: iinfin, + iiota: iiota, + ijlig: ijlig, + imacr: imacr, + image: image, + imagline: imagline, + imagpart: imagpart, + imath: imath, + imof: imof, + imped: imped, + "in": "∈", + incare: incare, + infin: infin, + infintie: infintie, + inodot: inodot, + int: int, + intcal: intcal, + integers: integers, + intercal: intercal, + intlarhk: intlarhk, + intprod: intprod, + iocy: iocy, + iogon: iogon, + iopf: iopf, + iota: iota, + iprod: iprod, + iques: iques, + iquest: iquest$1, + iscr: iscr, + isin: isin, + isinE: isinE, + isindot: isindot, + isins: isins, + isinsv: isinsv, + isinv: isinv, + it: it, + itilde: itilde, + iukcy: iukcy, + ium: ium, + iuml: iuml$1, + jcirc: jcirc, + jcy: jcy, + jfr: jfr, + jmath: jmath, + jopf: jopf, + jscr: jscr, + jsercy: jsercy, + jukcy: jukcy, + kappa: kappa, + kappav: kappav, + kcedil: kcedil, + kcy: kcy, + kfr: kfr, + kgreen: kgreen, + khcy: khcy, + kjcy: kjcy, + kopf: kopf, + kscr: kscr, + lAarr: lAarr, + lArr: lArr, + lAtail: lAtail, + lBarr: lBarr, + lE: lE, + lEg: lEg, + lHar: lHar, + lacute: lacute, + laemptyv: laemptyv, + lagran: lagran, + lambda: lambda, + lang: lang, + langd: langd, + langle: langle, + lap: lap, + laqu: laqu, + laquo: laquo$1, + larr: larr, + larrb: larrb, + larrbfs: larrbfs, + larrfs: larrfs, + larrhk: larrhk, + larrlp: larrlp, + larrpl: larrpl, + larrsim: larrsim, + larrtl: larrtl, + lat: lat, + latail: latail, + late: late, + lates: lates, + lbarr: lbarr, + lbbrk: lbbrk, + lbrace: lbrace, + lbrack: lbrack, + lbrke: lbrke, + lbrksld: lbrksld, + lbrkslu: lbrkslu, + lcaron: lcaron, + lcedil: lcedil, + lceil: lceil, + lcub: lcub, + lcy: lcy, + ldca: ldca, + ldquo: ldquo, + ldquor: ldquor, + ldrdhar: ldrdhar, + ldrushar: ldrushar, + ldsh: ldsh, + le: le, + leftarrow: leftarrow, + leftarrowtail: leftarrowtail, + leftharpoondown: leftharpoondown, + leftharpoonup: leftharpoonup, + leftleftarrows: leftleftarrows, + leftrightarrow: leftrightarrow, + leftrightarrows: leftrightarrows, + leftrightharpoons: leftrightharpoons, + leftrightsquigarrow: leftrightsquigarrow, + leftthreetimes: leftthreetimes, + leg: leg, + leq: leq, + leqq: leqq, + leqslant: leqslant, + les: les, + lescc: lescc, + lesdot: lesdot, + lesdoto: lesdoto, + lesdotor: lesdotor, + lesg: lesg, + lesges: lesges, + lessapprox: lessapprox, + lessdot: lessdot, + lesseqgtr: lesseqgtr, + lesseqqgtr: lesseqqgtr, + lessgtr: lessgtr, + lesssim: lesssim, + lfisht: lfisht, + lfloor: lfloor, + lfr: lfr, + lg: lg, + lgE: lgE, + lhard: lhard, + lharu: lharu, + lharul: lharul, + lhblk: lhblk, + ljcy: ljcy, + ll: ll, + llarr: llarr, + llcorner: llcorner, + llhard: llhard, + lltri: lltri, + lmidot: lmidot, + lmoust: lmoust, + lmoustache: lmoustache, + lnE: lnE, + lnap: lnap, + lnapprox: lnapprox, + lne: lne, + lneq: lneq, + lneqq: lneqq, + lnsim: lnsim, + loang: loang, + loarr: loarr, + lobrk: lobrk, + longleftarrow: longleftarrow, + longleftrightarrow: longleftrightarrow, + longmapsto: longmapsto, + longrightarrow: longrightarrow, + looparrowleft: looparrowleft, + looparrowright: looparrowright, + lopar: lopar, + lopf: lopf, + loplus: loplus, + lotimes: lotimes, + lowast: lowast, + lowbar: lowbar, + loz: loz, + lozenge: lozenge, + lozf: lozf, + lpar: lpar, + lparlt: lparlt, + lrarr: lrarr, + lrcorner: lrcorner, + lrhar: lrhar, + lrhard: lrhard, + lrm: lrm, + lrtri: lrtri, + lsaquo: lsaquo, + lscr: lscr, + lsh: lsh, + lsim: lsim, + lsime: lsime, + lsimg: lsimg, + lsqb: lsqb, + lsquo: lsquo, + lsquor: lsquor, + lstrok: lstrok, + l: l, + lt: lt$1, + ltcc: ltcc, + ltcir: ltcir, + ltdot: ltdot, + lthree: lthree, + ltimes: ltimes, + ltlarr: ltlarr, + ltquest: ltquest, + ltrPar: ltrPar, + ltri: ltri, + ltrie: ltrie, + ltrif: ltrif, + lurdshar: lurdshar, + luruhar: luruhar, + lvertneqq: lvertneqq, + lvnE: lvnE, + mDDot: mDDot, + mac: mac, + macr: macr$1, + male: male, + malt: malt, + maltese: maltese, + map: map$2, + mapsto: mapsto, + mapstodown: mapstodown, + mapstoleft: mapstoleft, + mapstoup: mapstoup, + marker: marker, + mcomma: mcomma, + mcy: mcy, + mdash: mdash, + measuredangle: measuredangle, + mfr: mfr, + mho: mho, + micr: micr, + micro: micro$1, + mid: mid, + midast: midast, + midcir: midcir, + middo: middo, + middot: middot$1, + minus: minus, + minusb: minusb, + minusd: minusd, + minusdu: minusdu, + mlcp: mlcp, + mldr: mldr, + mnplus: mnplus, + models: models$1, + mopf: mopf, + mp: mp, + mscr: mscr, + mstpos: mstpos, + mu: mu, + multimap: multimap, + mumap: mumap, + nGg: nGg, + nGt: nGt, + nGtv: nGtv, + nLeftarrow: nLeftarrow, + nLeftrightarrow: nLeftrightarrow, + nLl: nLl, + nLt: nLt, + nLtv: nLtv, + nRightarrow: nRightarrow, + nVDash: nVDash, + nVdash: nVdash, + nabla: nabla, + nacute: nacute, + nang: nang, + nap: nap, + napE: napE, + napid: napid, + napos: napos, + napprox: napprox, + natur: natur, + natural: natural, + naturals: naturals, + nbs: nbs, + nbsp: nbsp$1, + nbump: nbump, + nbumpe: nbumpe, + ncap: ncap, + ncaron: ncaron, + ncedil: ncedil, + ncong: ncong, + ncongdot: ncongdot, + ncup: ncup, + ncy: ncy, + ndash: ndash, + ne: ne, + neArr: neArr, + nearhk: nearhk, + nearr: nearr, + nearrow: nearrow, + nedot: nedot, + nequiv: nequiv, + nesear: nesear, + nesim: nesim, + nexist: nexist, + nexists: nexists, + nfr: nfr, + ngE: ngE, + nge: nge, + ngeq: ngeq, + ngeqq: ngeqq, + ngeqslant: ngeqslant, + nges: nges, + ngsim: ngsim, + ngt: ngt, + ngtr: ngtr, + nhArr: nhArr, + nharr: nharr, + nhpar: nhpar, + ni: ni, + nis: nis, + nisd: nisd, + niv: niv, + njcy: njcy, + nlArr: nlArr, + nlE: nlE, + nlarr: nlarr, + nldr: nldr, + nle: nle, + nleftarrow: nleftarrow, + nleftrightarrow: nleftrightarrow, + nleq: nleq, + nleqq: nleqq, + nleqslant: nleqslant, + nles: nles, + nless: nless, + nlsim: nlsim, + nlt: nlt, + nltri: nltri, + nltrie: nltrie, + nmid: nmid, + nopf: nopf, + no: no, + not: not$1, + notin: notin, + notinE: notinE, + notindot: notindot, + notinva: notinva, + notinvb: notinvb, + notinvc: notinvc, + notni: notni, + notniva: notniva, + notnivb: notnivb, + notnivc: notnivc, + npar: npar, + nparallel: nparallel, + nparsl: nparsl, + npart: npart, + npolint: npolint, + npr: npr, + nprcue: nprcue, + npre: npre, + nprec: nprec, + npreceq: npreceq, + nrArr: nrArr, + nrarr: nrarr, + nrarrc: nrarrc, + nrarrw: nrarrw, + nrightarrow: nrightarrow, + nrtri: nrtri, + nrtrie: nrtrie, + nsc: nsc, + nsccue: nsccue, + nsce: nsce, + nscr: nscr, + nshortmid: nshortmid, + nshortparallel: nshortparallel, + nsim: nsim, + nsime: nsime, + nsimeq: nsimeq, + nsmid: nsmid, + nspar: nspar, + nsqsube: nsqsube, + nsqsupe: nsqsupe, + nsub: nsub, + nsubE: nsubE, + nsube: nsube, + nsubset: nsubset, + nsubseteq: nsubseteq, + nsubseteqq: nsubseteqq, + nsucc: nsucc, + nsucceq: nsucceq, + nsup: nsup, + nsupE: nsupE, + nsupe: nsupe, + nsupset: nsupset, + nsupseteq: nsupseteq, + nsupseteqq: nsupseteqq, + ntgl: ntgl, + ntild: ntild, + ntilde: ntilde$1, + ntlg: ntlg, + ntriangleleft: ntriangleleft, + ntrianglelefteq: ntrianglelefteq, + ntriangleright: ntriangleright, + ntrianglerighteq: ntrianglerighteq, + nu: nu, + num: num, + numero: numero, + numsp: numsp, + nvDash: nvDash, + nvHarr: nvHarr, + nvap: nvap, + nvdash: nvdash, + nvge: nvge, + nvgt: nvgt, + nvinfin: nvinfin, + nvlArr: nvlArr, + nvle: nvle, + nvlt: nvlt, + nvltrie: nvltrie, + nvrArr: nvrArr, + nvrtrie: nvrtrie, + nvsim: nvsim, + nwArr: nwArr, + nwarhk: nwarhk, + nwarr: nwarr, + nwarrow: nwarrow, + nwnear: nwnear, + oS: oS, + oacut: oacut, + oacute: oacute$1, + oast: oast, + ocir: ocir, + ocirc: ocirc$1, + ocy: ocy, + odash: odash, + odblac: odblac, + odiv: odiv, + odot: odot, + odsold: odsold, + oelig: oelig, + ofcir: ofcir, + ofr: ofr, + ogon: ogon, + ograv: ograv, + ograve: ograve$1, + ogt: ogt, + ohbar: ohbar, + ohm: ohm, + oint: oint, + olarr: olarr, + olcir: olcir, + olcross: olcross, + oline: oline, + olt: olt, + omacr: omacr, + omega: omega, + omicron: omicron, + omid: omid, + ominus: ominus, + oopf: oopf, + opar: opar, + operp: operp, + oplus: oplus, + or: or, + orarr: orarr, + ord: ord, + order: order$1, + orderof: orderof, + ordf: ordf$1, + ordm: ordm$1, + origof: origof, + oror: oror, + orslope: orslope, + orv: orv, + oscr: oscr, + oslas: oslas, + oslash: oslash$1, + osol: osol, + otild: otild, + otilde: otilde$1, + otimes: otimes, + otimesas: otimesas, + oum: oum, + ouml: ouml$1, + ovbar: ovbar, + par: par, + para: para$1, + parallel: parallel, + parsim: parsim, + parsl: parsl, + part: part, + pcy: pcy, + percnt: percnt, + period: period, + permil: permil, + perp: perp, + pertenk: pertenk, + pfr: pfr, + phi: phi, + phiv: phiv, + phmmat: phmmat, + phone: phone, + pi: pi, + pitchfork: pitchfork, + piv: piv, + planck: planck, + planckh: planckh, + plankv: plankv, + plus: plus, + plusacir: plusacir, + plusb: plusb, + pluscir: pluscir, + plusdo: plusdo, + plusdu: plusdu, + pluse: pluse, + plusm: plusm, + plusmn: plusmn$1, + plussim: plussim, + plustwo: plustwo, + pm: pm, + pointint: pointint, + popf: popf, + poun: poun, + pound: pound$1, + pr: pr, + prE: prE, + prap: prap, + prcue: prcue, + pre: pre, + prec: prec, + precapprox: precapprox, + preccurlyeq: preccurlyeq, + preceq: preceq, + precnapprox: precnapprox, + precneqq: precneqq, + precnsim: precnsim, + precsim: precsim, + prime: prime, + primes: primes, + prnE: prnE, + prnap: prnap, + prnsim: prnsim, + prod: prod, + profalar: profalar, + profline: profline, + profsurf: profsurf, + prop: prop, + propto: propto, + prsim: prsim, + prurel: prurel, + pscr: pscr, + psi: psi, + puncsp: puncsp, + qfr: qfr, + qint: qint, + qopf: qopf, + qprime: qprime, + qscr: qscr, + quaternions: quaternions, + quatint: quatint, + quest: quest, + questeq: questeq, + quo: quo, + quot: quot$1, + rAarr: rAarr, + rArr: rArr, + rAtail: rAtail, + rBarr: rBarr, + rHar: rHar, + race: race, + racute: racute, + radic: radic, + raemptyv: raemptyv, + rang: rang, + rangd: rangd, + range: range$1, + rangle: rangle, + raqu: raqu, + raquo: raquo$1, + rarr: rarr, + rarrap: rarrap, + rarrb: rarrb, + rarrbfs: rarrbfs, + rarrc: rarrc, + rarrfs: rarrfs, + rarrhk: rarrhk, + rarrlp: rarrlp, + rarrpl: rarrpl, + rarrsim: rarrsim, + rarrtl: rarrtl, + rarrw: rarrw, + ratail: ratail, + ratio: ratio, + rationals: rationals, + rbarr: rbarr, + rbbrk: rbbrk, + rbrace: rbrace, + rbrack: rbrack, + rbrke: rbrke, + rbrksld: rbrksld, + rbrkslu: rbrkslu, + rcaron: rcaron, + rcedil: rcedil, + rceil: rceil, + rcub: rcub, + rcy: rcy, + rdca: rdca, + rdldhar: rdldhar, + rdquo: rdquo, + rdquor: rdquor, + rdsh: rdsh, + real: real, + realine: realine, + realpart: realpart, + reals: reals, + rect: rect, + re: re, + reg: reg$1, + rfisht: rfisht, + rfloor: rfloor, + rfr: rfr, + rhard: rhard, + rharu: rharu, + rharul: rharul, + rho: rho, + rhov: rhov, + rightarrow: rightarrow, + rightarrowtail: rightarrowtail, + rightharpoondown: rightharpoondown, + rightharpoonup: rightharpoonup, + rightleftarrows: rightleftarrows, + rightleftharpoons: rightleftharpoons, + rightrightarrows: rightrightarrows, + rightsquigarrow: rightsquigarrow, + rightthreetimes: rightthreetimes, + ring: ring, + risingdotseq: risingdotseq, + rlarr: rlarr, + rlhar: rlhar, + rlm: rlm, + rmoust: rmoust, + rmoustache: rmoustache, + rnmid: rnmid, + roang: roang, + roarr: roarr, + robrk: robrk, + ropar: ropar, + ropf: ropf, + roplus: roplus, + rotimes: rotimes, + rpar: rpar, + rpargt: rpargt, + rppolint: rppolint, + rrarr: rrarr, + rsaquo: rsaquo, + rscr: rscr, + rsh: rsh, + rsqb: rsqb, + rsquo: rsquo, + rsquor: rsquor, + rthree: rthree, + rtimes: rtimes, + rtri: rtri, + rtrie: rtrie, + rtrif: rtrif, + rtriltri: rtriltri, + ruluhar: ruluhar, + rx: rx, + sacute: sacute, + sbquo: sbquo, + sc: sc, + scE: scE, + scap: scap, + scaron: scaron, + sccue: sccue, + sce: sce, + scedil: scedil, + scirc: scirc, + scnE: scnE, + scnap: scnap, + scnsim: scnsim, + scpolint: scpolint, + scsim: scsim, + scy: scy, + sdot: sdot, + sdotb: sdotb, + sdote: sdote, + seArr: seArr, + searhk: searhk, + searr: searr, + searrow: searrow, + sec: sec, + sect: sect$1, + semi: semi, + seswar: seswar, + setminus: setminus, + setmn: setmn, + sext: sext, + sfr: sfr, + sfrown: sfrown, + sharp: sharp, + shchcy: shchcy, + shcy: shcy, + shortmid: shortmid, + shortparallel: shortparallel, + sh: sh, + shy: shy$1, + sigma: sigma, + sigmaf: sigmaf, + sigmav: sigmav, + sim: sim, + simdot: simdot, + sime: sime, + simeq: simeq, + simg: simg, + simgE: simgE, + siml: siml, + simlE: simlE, + simne: simne, + simplus: simplus, + simrarr: simrarr, + slarr: slarr, + smallsetminus: smallsetminus, + smashp: smashp, + smeparsl: smeparsl, + smid: smid, + smile: smile, + smt: smt, + smte: smte, + smtes: smtes, + softcy: softcy, + sol: sol, + solb: solb, + solbar: solbar, + sopf: sopf, + spades: spades, + spadesuit: spadesuit, + spar: spar, + sqcap: sqcap, + sqcaps: sqcaps, + sqcup: sqcup, + sqcups: sqcups, + sqsub: sqsub, + sqsube: sqsube, + sqsubset: sqsubset, + sqsubseteq: sqsubseteq, + sqsup: sqsup, + sqsupe: sqsupe, + sqsupset: sqsupset, + sqsupseteq: sqsupseteq, + squ: squ, + square: square, + squarf: squarf, + squf: squf, + srarr: srarr, + sscr: sscr, + ssetmn: ssetmn, + ssmile: ssmile, + sstarf: sstarf, + star: star$1, + starf: starf, + straightepsilon: straightepsilon, + straightphi: straightphi, + strns: strns, + sub: sub, + subE: subE, + subdot: subdot, + sube: sube, + subedot: subedot, + submult: submult, + subnE: subnE, + subne: subne, + subplus: subplus, + subrarr: subrarr, + subset: subset, + subseteq: subseteq, + subseteqq: subseteqq, + subsetneq: subsetneq, + subsetneqq: subsetneqq, + subsim: subsim, + subsub: subsub, + subsup: subsup, + succ: succ, + succapprox: succapprox, + succcurlyeq: succcurlyeq, + succeq: succeq, + succnapprox: succnapprox, + succneqq: succneqq, + succnsim: succnsim, + succsim: succsim, + sum: sum, + sung: sung, + sup: sup, + sup1: sup1$1, + sup2: sup2$1, + sup3: sup3$1, + supE: supE, + supdot: supdot, + supdsub: supdsub, + supe: supe, + supedot: supedot, + suphsol: suphsol, + suphsub: suphsub, + suplarr: suplarr, + supmult: supmult, + supnE: supnE, + supne: supne, + supplus: supplus, + supset: supset, + supseteq: supseteq, + supseteqq: supseteqq, + supsetneq: supsetneq, + supsetneqq: supsetneqq, + supsim: supsim, + supsub: supsub, + supsup: supsup, + swArr: swArr, + swarhk: swarhk, + swarr: swarr, + swarrow: swarrow, + swnwar: swnwar, + szli: szli, + szlig: szlig$1, + target: target, + tau: tau, + tbrk: tbrk, + tcaron: tcaron, + tcedil: tcedil, + tcy: tcy, + tdot: tdot, + telrec: telrec, + tfr: tfr, + there4: there4, + therefore: therefore, + theta: theta, + thetasym: thetasym, + thetav: thetav, + thickapprox: thickapprox, + thicksim: thicksim, + thinsp: thinsp, + thkap: thkap, + thksim: thksim, + thor: thor, + thorn: thorn$1, + tilde: tilde, + time: time, + times: times$1, + timesb: timesb, + timesbar: timesbar, + timesd: timesd, + tint: tint, + toea: toea, + top: top, + topbot: topbot, + topcir: topcir, + topf: topf, + topfork: topfork, + tosa: tosa, + tprime: tprime, + trade: trade, + triangle: triangle, + triangledown: triangledown, + triangleleft: triangleleft, + trianglelefteq: trianglelefteq, + triangleq: triangleq, + triangleright: triangleright, + trianglerighteq: trianglerighteq, + tridot: tridot, + trie: trie, + triminus: triminus, + triplus: triplus, + trisb: trisb, + tritime: tritime, + trpezium: trpezium, + tscr: tscr, + tscy: tscy, + tshcy: tshcy, + tstrok: tstrok, + twixt: twixt, + twoheadleftarrow: twoheadleftarrow, + twoheadrightarrow: twoheadrightarrow, + uArr: uArr, + uHar: uHar, + uacut: uacut, + uacute: uacute$1, + uarr: uarr, + ubrcy: ubrcy, + ubreve: ubreve, + ucir: ucir, + ucirc: ucirc$1, + ucy: ucy, + udarr: udarr, + udblac: udblac, + udhar: udhar, + ufisht: ufisht, + ufr: ufr, + ugrav: ugrav, + ugrave: ugrave$1, + uharl: uharl, + uharr: uharr, + uhblk: uhblk, + ulcorn: ulcorn, + ulcorner: ulcorner, + ulcrop: ulcrop, + ultri: ultri, + umacr: umacr, + um: um, + uml: uml$1, + uogon: uogon, + uopf: uopf, + uparrow: uparrow, + updownarrow: updownarrow, + upharpoonleft: upharpoonleft, + upharpoonright: upharpoonright, + uplus: uplus, + upsi: upsi, + upsih: upsih, + upsilon: upsilon, + upuparrows: upuparrows, + urcorn: urcorn, + urcorner: urcorner, + urcrop: urcrop, + uring: uring, + urtri: urtri, + uscr: uscr, + utdot: utdot, + utilde: utilde, + utri: utri, + utrif: utrif, + uuarr: uuarr, + uum: uum, + uuml: uuml$1, + uwangle: uwangle, + vArr: vArr, + vBar: vBar, + vBarv: vBarv, + vDash: vDash, + vangrt: vangrt, + varepsilon: varepsilon, + varkappa: varkappa, + varnothing: varnothing, + varphi: varphi, + varpi: varpi, + varpropto: varpropto, + varr: varr, + varrho: varrho, + varsigma: varsigma, + varsubsetneq: varsubsetneq, + varsubsetneqq: varsubsetneqq, + varsupsetneq: varsupsetneq, + varsupsetneqq: varsupsetneqq, + vartheta: vartheta, + vartriangleleft: vartriangleleft, + vartriangleright: vartriangleright, + vcy: vcy, + vdash: vdash, + vee: vee, + veebar: veebar, + veeeq: veeeq, + vellip: vellip, + verbar: verbar, + vert: vert, + vfr: vfr, + vltri: vltri, + vnsub: vnsub, + vnsup: vnsup, + vopf: vopf, + vprop: vprop, + vrtri: vrtri, + vscr: vscr, + vsubnE: vsubnE, + vsubne: vsubne, + vsupnE: vsupnE, + vsupne: vsupne, + vzigzag: vzigzag, + wcirc: wcirc, + wedbar: wedbar, + wedge: wedge, + wedgeq: wedgeq, + weierp: weierp, + wfr: wfr, + wopf: wopf, + wp: wp, + wr: wr, + wreath: wreath, + wscr: wscr, + xcap: xcap, + xcirc: xcirc, + xcup: xcup, + xdtri: xdtri, + xfr: xfr, + xhArr: xhArr, + xharr: xharr, + xi: xi, + xlArr: xlArr, + xlarr: xlarr, + xmap: xmap, + xnis: xnis, + xodot: xodot, + xopf: xopf, + xoplus: xoplus, + xotime: xotime, + xrArr: xrArr, + xrarr: xrarr, + xscr: xscr, + xsqcup: xsqcup, + xuplus: xuplus, + xutri: xutri, + xvee: xvee, + xwedge: xwedge, + yacut: yacut, + yacute: yacute$1, + yacy: yacy, + ycirc: ycirc, + ycy: ycy, + ye: ye, + yen: yen$1, + yfr: yfr, + yicy: yicy, + yopf: yopf, + yscr: yscr, + yucy: yucy, + yum: yum, + yuml: yuml$1, + zacute: zacute, + zcaron: zcaron, + zcy: zcy, + zdot: zdot, + zeetrf: zeetrf, + zeta: zeta, + zfr: zfr, + zhcy: zhcy, + zigrarr: zigrarr, + zopf: zopf, + zscr: zscr, + zwj: zwj, + zwnj: zwnj +}; + +var characterEntities = /*#__PURE__*/Object.freeze({ + __proto__: null, + AEli: AEli, + AElig: AElig$1, + AM: AM, + AMP: AMP$1, + Aacut: Aacut, + Aacute: Aacute$1, + Abreve: Abreve, + Acir: Acir, + Acirc: Acirc$1, + Acy: Acy, + Afr: Afr, + Agrav: Agrav, + Agrave: Agrave$1, + Alpha: Alpha, + Amacr: Amacr, + And: And, + Aogon: Aogon, + Aopf: Aopf, + ApplyFunction: ApplyFunction, + Arin: Arin, + Aring: Aring$1, + Ascr: Ascr, + Assign: Assign, + Atild: Atild, + Atilde: Atilde$1, + Aum: Aum, + Auml: Auml$1, + Backslash: Backslash, + Barv: Barv, + Barwed: Barwed, + Bcy: Bcy, + Because: Because, + Bernoullis: Bernoullis, + Beta: Beta, + Bfr: Bfr, + Bopf: Bopf, + Breve: Breve, + Bscr: Bscr, + Bumpeq: Bumpeq, + CHcy: CHcy, + COP: COP, + COPY: COPY$1, + Cacute: Cacute, + Cap: Cap, + CapitalDifferentialD: CapitalDifferentialD, + Cayleys: Cayleys, + Ccaron: Ccaron, + Ccedi: Ccedi, + Ccedil: Ccedil$1, + Ccirc: Ccirc, + Cconint: Cconint, + Cdot: Cdot, + Cedilla: Cedilla, + CenterDot: CenterDot, + Cfr: Cfr, + Chi: Chi, + CircleDot: CircleDot, + CircleMinus: CircleMinus, + CirclePlus: CirclePlus, + CircleTimes: CircleTimes, + ClockwiseContourIntegral: ClockwiseContourIntegral, + CloseCurlyDoubleQuote: CloseCurlyDoubleQuote, + CloseCurlyQuote: CloseCurlyQuote, + Colon: Colon, + Colone: Colone, + Congruent: Congruent, + Conint: Conint, + ContourIntegral: ContourIntegral, + Copf: Copf, + Coproduct: Coproduct, + CounterClockwiseContourIntegral: CounterClockwiseContourIntegral, + Cross: Cross, + Cscr: Cscr, + Cup: Cup, + CupCap: CupCap, + DD: DD, + DDotrahd: DDotrahd, + DJcy: DJcy, + DScy: DScy, + DZcy: DZcy, + Dagger: Dagger, + Darr: Darr, + Dashv: Dashv, + Dcaron: Dcaron, + Dcy: Dcy, + Del: Del, + Delta: Delta, + Dfr: Dfr, + DiacriticalAcute: DiacriticalAcute, + DiacriticalDot: DiacriticalDot, + DiacriticalDoubleAcute: DiacriticalDoubleAcute, + DiacriticalGrave: DiacriticalGrave, + DiacriticalTilde: DiacriticalTilde, + Diamond: Diamond, + DifferentialD: DifferentialD, + Dopf: Dopf, + Dot: Dot, + DotDot: DotDot, + DotEqual: DotEqual, + DoubleContourIntegral: DoubleContourIntegral, + DoubleDot: DoubleDot, + DoubleDownArrow: DoubleDownArrow, + DoubleLeftArrow: DoubleLeftArrow, + DoubleLeftRightArrow: DoubleLeftRightArrow, + DoubleLeftTee: DoubleLeftTee, + DoubleLongLeftArrow: DoubleLongLeftArrow, + DoubleLongLeftRightArrow: DoubleLongLeftRightArrow, + DoubleLongRightArrow: DoubleLongRightArrow, + DoubleRightArrow: DoubleRightArrow, + DoubleRightTee: DoubleRightTee, + DoubleUpArrow: DoubleUpArrow, + DoubleUpDownArrow: DoubleUpDownArrow, + DoubleVerticalBar: DoubleVerticalBar, + DownArrow: DownArrow, + DownArrowBar: DownArrowBar, + DownArrowUpArrow: DownArrowUpArrow, + DownBreve: DownBreve, + DownLeftRightVector: DownLeftRightVector, + DownLeftTeeVector: DownLeftTeeVector, + DownLeftVector: DownLeftVector, + DownLeftVectorBar: DownLeftVectorBar, + DownRightTeeVector: DownRightTeeVector, + DownRightVector: DownRightVector, + DownRightVectorBar: DownRightVectorBar, + DownTee: DownTee, + DownTeeArrow: DownTeeArrow, + Downarrow: Downarrow, + Dscr: Dscr, + Dstrok: Dstrok, + ENG: ENG, + ET: ET, + ETH: ETH$1, + Eacut: Eacut, + Eacute: Eacute$1, + Ecaron: Ecaron, + Ecir: Ecir, + Ecirc: Ecirc$1, + Ecy: Ecy, + Edot: Edot, + Efr: Efr, + Egrav: Egrav, + Egrave: Egrave$1, + Element: Element, + Emacr: Emacr, + EmptySmallSquare: EmptySmallSquare, + EmptyVerySmallSquare: EmptyVerySmallSquare, + Eogon: Eogon, + Eopf: Eopf, + Epsilon: Epsilon, + Equal: Equal, + EqualTilde: EqualTilde, + Equilibrium: Equilibrium, + Escr: Escr, + Esim: Esim, + Eta: Eta, + Eum: Eum, + Euml: Euml$1, + Exists: Exists, + ExponentialE: ExponentialE, + Fcy: Fcy, + Ffr: Ffr, + FilledSmallSquare: FilledSmallSquare, + FilledVerySmallSquare: FilledVerySmallSquare, + Fopf: Fopf, + ForAll: ForAll, + Fouriertrf: Fouriertrf, + Fscr: Fscr, + GJcy: GJcy, + G: G, + GT: GT$1, + Gamma: Gamma, + Gammad: Gammad, + Gbreve: Gbreve, + Gcedil: Gcedil, + Gcirc: Gcirc, + Gcy: Gcy, + Gdot: Gdot, + Gfr: Gfr, + Gg: Gg, + Gopf: Gopf, + GreaterEqual: GreaterEqual, + GreaterEqualLess: GreaterEqualLess, + GreaterFullEqual: GreaterFullEqual, + GreaterGreater: GreaterGreater, + GreaterLess: GreaterLess, + GreaterSlantEqual: GreaterSlantEqual, + GreaterTilde: GreaterTilde, + Gscr: Gscr, + Gt: Gt, + HARDcy: HARDcy, + Hacek: Hacek, + Hat: Hat, + Hcirc: Hcirc, + Hfr: Hfr, + HilbertSpace: HilbertSpace, + Hopf: Hopf, + HorizontalLine: HorizontalLine, + Hscr: Hscr, + Hstrok: Hstrok, + HumpDownHump: HumpDownHump, + HumpEqual: HumpEqual, + IEcy: IEcy, + IJlig: IJlig, + IOcy: IOcy, + Iacut: Iacut, + Iacute: Iacute$1, + Icir: Icir, + Icirc: Icirc$1, + Icy: Icy, + Idot: Idot, + Ifr: Ifr, + Igrav: Igrav, + Igrave: Igrave$1, + Im: Im, + Imacr: Imacr, + ImaginaryI: ImaginaryI, + Implies: Implies, + Int: Int, + Integral: Integral, + Intersection: Intersection, + InvisibleComma: InvisibleComma, + InvisibleTimes: InvisibleTimes, + Iogon: Iogon, + Iopf: Iopf, + Iota: Iota, + Iscr: Iscr, + Itilde: Itilde, + Iukcy: Iukcy, + Ium: Ium, + Iuml: Iuml$1, + Jcirc: Jcirc, + Jcy: Jcy, + Jfr: Jfr, + Jopf: Jopf, + Jscr: Jscr, + Jsercy: Jsercy, + Jukcy: Jukcy, + KHcy: KHcy, + KJcy: KJcy, + Kappa: Kappa, + Kcedil: Kcedil, + Kcy: Kcy, + Kfr: Kfr, + Kopf: Kopf, + Kscr: Kscr, + LJcy: LJcy, + L: L, + LT: LT$1, + Lacute: Lacute, + Lambda: Lambda, + Lang: Lang, + Laplacetrf: Laplacetrf, + Larr: Larr, + Lcaron: Lcaron, + Lcedil: Lcedil, + Lcy: Lcy, + LeftAngleBracket: LeftAngleBracket, + LeftArrow: LeftArrow, + LeftArrowBar: LeftArrowBar, + LeftArrowRightArrow: LeftArrowRightArrow, + LeftCeiling: LeftCeiling, + LeftDoubleBracket: LeftDoubleBracket, + LeftDownTeeVector: LeftDownTeeVector, + LeftDownVector: LeftDownVector, + LeftDownVectorBar: LeftDownVectorBar, + LeftFloor: LeftFloor, + LeftRightArrow: LeftRightArrow, + LeftRightVector: LeftRightVector, + LeftTee: LeftTee, + LeftTeeArrow: LeftTeeArrow, + LeftTeeVector: LeftTeeVector, + LeftTriangle: LeftTriangle, + LeftTriangleBar: LeftTriangleBar, + LeftTriangleEqual: LeftTriangleEqual, + LeftUpDownVector: LeftUpDownVector, + LeftUpTeeVector: LeftUpTeeVector, + LeftUpVector: LeftUpVector, + LeftUpVectorBar: LeftUpVectorBar, + LeftVector: LeftVector, + LeftVectorBar: LeftVectorBar, + Leftarrow: Leftarrow, + Leftrightarrow: Leftrightarrow, + LessEqualGreater: LessEqualGreater, + LessFullEqual: LessFullEqual, + LessGreater: LessGreater, + LessLess: LessLess, + LessSlantEqual: LessSlantEqual, + LessTilde: LessTilde, + Lfr: Lfr, + Ll: Ll, + Lleftarrow: Lleftarrow, + Lmidot: Lmidot, + LongLeftArrow: LongLeftArrow, + LongLeftRightArrow: LongLeftRightArrow, + LongRightArrow: LongRightArrow, + Longleftarrow: Longleftarrow, + Longleftrightarrow: Longleftrightarrow, + Longrightarrow: Longrightarrow, + Lopf: Lopf, + LowerLeftArrow: LowerLeftArrow, + LowerRightArrow: LowerRightArrow, + Lscr: Lscr, + Lsh: Lsh, + Lstrok: Lstrok, + Lt: Lt, + Mcy: Mcy, + MediumSpace: MediumSpace, + Mellintrf: Mellintrf, + Mfr: Mfr, + MinusPlus: MinusPlus, + Mopf: Mopf, + Mscr: Mscr, + Mu: Mu, + NJcy: NJcy, + Nacute: Nacute, + Ncaron: Ncaron, + Ncedil: Ncedil, + Ncy: Ncy, + NegativeMediumSpace: NegativeMediumSpace, + NegativeThickSpace: NegativeThickSpace, + NegativeThinSpace: NegativeThinSpace, + NegativeVeryThinSpace: NegativeVeryThinSpace, + NestedGreaterGreater: NestedGreaterGreater, + NestedLessLess: NestedLessLess, + NewLine: NewLine, + Nfr: Nfr, + NoBreak: NoBreak, + NonBreakingSpace: NonBreakingSpace, + Nopf: Nopf, + Not: Not, + NotCongruent: NotCongruent, + NotCupCap: NotCupCap, + NotDoubleVerticalBar: NotDoubleVerticalBar, + NotElement: NotElement, + NotEqual: NotEqual, + NotEqualTilde: NotEqualTilde, + NotExists: NotExists, + NotGreater: NotGreater, + NotGreaterEqual: NotGreaterEqual, + NotGreaterFullEqual: NotGreaterFullEqual, + NotGreaterGreater: NotGreaterGreater, + NotGreaterLess: NotGreaterLess, + NotGreaterSlantEqual: NotGreaterSlantEqual, + NotGreaterTilde: NotGreaterTilde, + NotHumpDownHump: NotHumpDownHump, + NotHumpEqual: NotHumpEqual, + NotLeftTriangle: NotLeftTriangle, + NotLeftTriangleBar: NotLeftTriangleBar, + NotLeftTriangleEqual: NotLeftTriangleEqual, + NotLess: NotLess, + NotLessEqual: NotLessEqual, + NotLessGreater: NotLessGreater, + NotLessLess: NotLessLess, + NotLessSlantEqual: NotLessSlantEqual, + NotLessTilde: NotLessTilde, + NotNestedGreaterGreater: NotNestedGreaterGreater, + NotNestedLessLess: NotNestedLessLess, + NotPrecedes: NotPrecedes, + NotPrecedesEqual: NotPrecedesEqual, + NotPrecedesSlantEqual: NotPrecedesSlantEqual, + NotReverseElement: NotReverseElement, + NotRightTriangle: NotRightTriangle, + NotRightTriangleBar: NotRightTriangleBar, + NotRightTriangleEqual: NotRightTriangleEqual, + NotSquareSubset: NotSquareSubset, + NotSquareSubsetEqual: NotSquareSubsetEqual, + NotSquareSuperset: NotSquareSuperset, + NotSquareSupersetEqual: NotSquareSupersetEqual, + NotSubset: NotSubset, + NotSubsetEqual: NotSubsetEqual, + NotSucceeds: NotSucceeds, + NotSucceedsEqual: NotSucceedsEqual, + NotSucceedsSlantEqual: NotSucceedsSlantEqual, + NotSucceedsTilde: NotSucceedsTilde, + NotSuperset: NotSuperset, + NotSupersetEqual: NotSupersetEqual, + NotTilde: NotTilde, + NotTildeEqual: NotTildeEqual, + NotTildeFullEqual: NotTildeFullEqual, + NotTildeTilde: NotTildeTilde, + NotVerticalBar: NotVerticalBar, + Nscr: Nscr, + Ntild: Ntild, + Ntilde: Ntilde$1, + Nu: Nu, + OElig: OElig, + Oacut: Oacut, + Oacute: Oacute$1, + Ocir: Ocir, + Ocirc: Ocirc$1, + Ocy: Ocy, + Odblac: Odblac, + Ofr: Ofr, + Ograv: Ograv, + Ograve: Ograve$1, + Omacr: Omacr, + Omega: Omega, + Omicron: Omicron, + Oopf: Oopf, + OpenCurlyDoubleQuote: OpenCurlyDoubleQuote, + OpenCurlyQuote: OpenCurlyQuote, + Or: Or, + Oscr: Oscr, + Oslas: Oslas, + Oslash: Oslash$1, + Otild: Otild, + Otilde: Otilde$1, + Otimes: Otimes, + Oum: Oum, + Ouml: Ouml$1, + OverBar: OverBar, + OverBrace: OverBrace, + OverBracket: OverBracket, + OverParenthesis: OverParenthesis, + PartialD: PartialD, + Pcy: Pcy, + Pfr: Pfr, + Phi: Phi, + Pi: Pi, + PlusMinus: PlusMinus, + Poincareplane: Poincareplane, + Popf: Popf, + Pr: Pr, + Precedes: Precedes, + PrecedesEqual: PrecedesEqual, + PrecedesSlantEqual: PrecedesSlantEqual, + PrecedesTilde: PrecedesTilde, + Prime: Prime, + Product: Product, + Proportion: Proportion, + Proportional: Proportional, + Pscr: Pscr, + Psi: Psi, + QUO: QUO, + QUOT: QUOT$1, + Qfr: Qfr, + Qopf: Qopf, + Qscr: Qscr, + RBarr: RBarr, + RE: RE, + REG: REG$1, + Racute: Racute, + Rang: Rang, + Rarr: Rarr, + Rarrtl: Rarrtl, + Rcaron: Rcaron, + Rcedil: Rcedil, + Rcy: Rcy, + Re: Re, + ReverseElement: ReverseElement, + ReverseEquilibrium: ReverseEquilibrium, + ReverseUpEquilibrium: ReverseUpEquilibrium, + Rfr: Rfr, + Rho: Rho, + RightAngleBracket: RightAngleBracket, + RightArrow: RightArrow, + RightArrowBar: RightArrowBar, + RightArrowLeftArrow: RightArrowLeftArrow, + RightCeiling: RightCeiling, + RightDoubleBracket: RightDoubleBracket, + RightDownTeeVector: RightDownTeeVector, + RightDownVector: RightDownVector, + RightDownVectorBar: RightDownVectorBar, + RightFloor: RightFloor, + RightTee: RightTee, + RightTeeArrow: RightTeeArrow, + RightTeeVector: RightTeeVector, + RightTriangle: RightTriangle, + RightTriangleBar: RightTriangleBar, + RightTriangleEqual: RightTriangleEqual, + RightUpDownVector: RightUpDownVector, + RightUpTeeVector: RightUpTeeVector, + RightUpVector: RightUpVector, + RightUpVectorBar: RightUpVectorBar, + RightVector: RightVector, + RightVectorBar: RightVectorBar, + Rightarrow: Rightarrow, + Ropf: Ropf, + RoundImplies: RoundImplies, + Rrightarrow: Rrightarrow, + Rscr: Rscr, + Rsh: Rsh, + RuleDelayed: RuleDelayed, + SHCHcy: SHCHcy, + SHcy: SHcy, + SOFTcy: SOFTcy, + Sacute: Sacute, + Sc: Sc, + Scaron: Scaron, + Scedil: Scedil, + Scirc: Scirc, + Scy: Scy, + Sfr: Sfr, + ShortDownArrow: ShortDownArrow, + ShortLeftArrow: ShortLeftArrow, + ShortRightArrow: ShortRightArrow, + ShortUpArrow: ShortUpArrow, + Sigma: Sigma, + SmallCircle: SmallCircle, + Sopf: Sopf, + Sqrt: Sqrt, + Square: Square, + SquareIntersection: SquareIntersection, + SquareSubset: SquareSubset, + SquareSubsetEqual: SquareSubsetEqual, + SquareSuperset: SquareSuperset, + SquareSupersetEqual: SquareSupersetEqual, + SquareUnion: SquareUnion, + Sscr: Sscr, + Star: Star, + Sub: Sub, + Subset: Subset, + SubsetEqual: SubsetEqual, + Succeeds: Succeeds, + SucceedsEqual: SucceedsEqual, + SucceedsSlantEqual: SucceedsSlantEqual, + SucceedsTilde: SucceedsTilde, + SuchThat: SuchThat, + Sum: Sum, + Sup: Sup, + Superset: Superset, + SupersetEqual: SupersetEqual, + Supset: Supset, + THOR: THOR, + THORN: THORN$1, + TRADE: TRADE, + TSHcy: TSHcy, + TScy: TScy, + Tab: Tab, + Tau: Tau, + Tcaron: Tcaron, + Tcedil: Tcedil, + Tcy: Tcy, + Tfr: Tfr, + Therefore: Therefore, + Theta: Theta, + ThickSpace: ThickSpace, + ThinSpace: ThinSpace, + Tilde: Tilde, + TildeEqual: TildeEqual, + TildeFullEqual: TildeFullEqual, + TildeTilde: TildeTilde, + Topf: Topf, + TripleDot: TripleDot, + Tscr: Tscr, + Tstrok: Tstrok, + Uacut: Uacut, + Uacute: Uacute$1, + Uarr: Uarr, + Uarrocir: Uarrocir, + Ubrcy: Ubrcy, + Ubreve: Ubreve, + Ucir: Ucir, + Ucirc: Ucirc$1, + Ucy: Ucy, + Udblac: Udblac, + Ufr: Ufr, + Ugrav: Ugrav, + Ugrave: Ugrave$1, + Umacr: Umacr, + UnderBar: UnderBar, + UnderBrace: UnderBrace, + UnderBracket: UnderBracket, + UnderParenthesis: UnderParenthesis, + Union: Union, + UnionPlus: UnionPlus, + Uogon: Uogon, + Uopf: Uopf, + UpArrow: UpArrow, + UpArrowBar: UpArrowBar, + UpArrowDownArrow: UpArrowDownArrow, + UpDownArrow: UpDownArrow, + UpEquilibrium: UpEquilibrium, + UpTee: UpTee, + UpTeeArrow: UpTeeArrow, + Uparrow: Uparrow, + Updownarrow: Updownarrow, + UpperLeftArrow: UpperLeftArrow, + UpperRightArrow: UpperRightArrow, + Upsi: Upsi, + Upsilon: Upsilon, + Uring: Uring, + Uscr: Uscr, + Utilde: Utilde, + Uum: Uum, + Uuml: Uuml$1, + VDash: VDash, + Vbar: Vbar, + Vcy: Vcy, + Vdash: Vdash, + Vdashl: Vdashl, + Vee: Vee, + Verbar: Verbar, + Vert: Vert, + VerticalBar: VerticalBar, + VerticalLine: VerticalLine, + VerticalSeparator: VerticalSeparator, + VerticalTilde: VerticalTilde, + VeryThinSpace: VeryThinSpace, + Vfr: Vfr, + Vopf: Vopf, + Vscr: Vscr, + Vvdash: Vvdash, + Wcirc: Wcirc, + Wedge: Wedge, + Wfr: Wfr, + Wopf: Wopf, + Wscr: Wscr, + Xfr: Xfr, + Xi: Xi, + Xopf: Xopf, + Xscr: Xscr, + YAcy: YAcy, + YIcy: YIcy, + YUcy: YUcy, + Yacut: Yacut, + Yacute: Yacute$1, + Ycirc: Ycirc, + Ycy: Ycy, + Yfr: Yfr, + Yopf: Yopf, + Yscr: Yscr, + Yuml: Yuml, + ZHcy: ZHcy, + Zacute: Zacute, + Zcaron: Zcaron, + Zcy: Zcy, + Zdot: Zdot, + ZeroWidthSpace: ZeroWidthSpace, + Zeta: Zeta, + Zfr: Zfr, + Zopf: Zopf, + Zscr: Zscr, + aacut: aacut, + aacute: aacute$1, + abreve: abreve, + ac: ac, + acE: acE, + acd: acd, + acir: acir, + acirc: acirc$1, + acut: acut, + acute: acute$1, + acy: acy, + aeli: aeli, + aelig: aelig$1, + af: af, + afr: afr, + agrav: agrav, + agrave: agrave$1, + alefsym: alefsym, + aleph: aleph, + alpha: alpha, + amacr: amacr, + amalg: amalg, + am: am, + amp: amp$1, + and: and, + andand: andand, + andd: andd, + andslope: andslope, + andv: andv, + ang: ang, + ange: ange, + angle: angle, + angmsd: angmsd, + angmsdaa: angmsdaa, + angmsdab: angmsdab, + angmsdac: angmsdac, + angmsdad: angmsdad, + angmsdae: angmsdae, + angmsdaf: angmsdaf, + angmsdag: angmsdag, + angmsdah: angmsdah, + angrt: angrt, + angrtvb: angrtvb, + angrtvbd: angrtvbd, + angsph: angsph, + angst: angst, + angzarr: angzarr, + aogon: aogon, + aopf: aopf, + ap: ap, + apE: apE, + apacir: apacir, + ape: ape, + apid: apid, + apos: apos, + approx: approx, + approxeq: approxeq, + arin: arin, + aring: aring$1, + ascr: ascr, + ast: ast, + asymp: asymp, + asympeq: asympeq, + atild: atild, + atilde: atilde$1, + aum: aum, + auml: auml$1, + awconint: awconint, + awint: awint, + bNot: bNot, + backcong: backcong, + backepsilon: backepsilon, + backprime: backprime, + backsim: backsim, + backsimeq: backsimeq, + barvee: barvee, + barwed: barwed, + barwedge: barwedge, + bbrk: bbrk, + bbrktbrk: bbrktbrk, + bcong: bcong, + bcy: bcy, + bdquo: bdquo, + becaus: becaus, + because: because, + bemptyv: bemptyv, + bepsi: bepsi, + bernou: bernou, + beta: beta, + beth: beth, + between: between, + bfr: bfr, + bigcap: bigcap, + bigcirc: bigcirc, + bigcup: bigcup, + bigodot: bigodot, + bigoplus: bigoplus, + bigotimes: bigotimes, + bigsqcup: bigsqcup, + bigstar: bigstar, + bigtriangledown: bigtriangledown, + bigtriangleup: bigtriangleup, + biguplus: biguplus, + bigvee: bigvee, + bigwedge: bigwedge, + bkarow: bkarow, + blacklozenge: blacklozenge, + blacksquare: blacksquare, + blacktriangle: blacktriangle, + blacktriangledown: blacktriangledown, + blacktriangleleft: blacktriangleleft, + blacktriangleright: blacktriangleright, + blank: blank, + blk12: blk12, + blk14: blk14, + blk34: blk34, + block: block, + bne: bne, + bnequiv: bnequiv, + bnot: bnot, + bopf: bopf, + bot: bot, + bottom: bottom, + bowtie: bowtie, + boxDL: boxDL, + boxDR: boxDR, + boxDl: boxDl, + boxDr: boxDr, + boxH: boxH, + boxHD: boxHD, + boxHU: boxHU, + boxHd: boxHd, + boxHu: boxHu, + boxUL: boxUL, + boxUR: boxUR, + boxUl: boxUl, + boxUr: boxUr, + boxV: boxV, + boxVH: boxVH, + boxVL: boxVL, + boxVR: boxVR, + boxVh: boxVh, + boxVl: boxVl, + boxVr: boxVr, + boxbox: boxbox, + boxdL: boxdL, + boxdR: boxdR, + boxdl: boxdl, + boxdr: boxdr, + boxh: boxh, + boxhD: boxhD, + boxhU: boxhU, + boxhd: boxhd, + boxhu: boxhu, + boxminus: boxminus, + boxplus: boxplus, + boxtimes: boxtimes, + boxuL: boxuL, + boxuR: boxuR, + boxul: boxul, + boxur: boxur, + boxv: boxv, + boxvH: boxvH, + boxvL: boxvL, + boxvR: boxvR, + boxvh: boxvh, + boxvl: boxvl, + boxvr: boxvr, + bprime: bprime, + breve: breve, + brvba: brvba, + brvbar: brvbar$1, + bscr: bscr, + bsemi: bsemi, + bsim: bsim, + bsime: bsime, + bsol: bsol, + bsolb: bsolb, + bsolhsub: bsolhsub, + bull: bull, + bullet: bullet, + bump: bump, + bumpE: bumpE, + bumpe: bumpe, + bumpeq: bumpeq, + cacute: cacute, + cap: cap, + capand: capand, + capbrcup: capbrcup, + capcap: capcap, + capcup: capcup, + capdot: capdot, + caps: caps, + caret: caret, + caron: caron, + ccaps: ccaps, + ccaron: ccaron, + ccedi: ccedi, + ccedil: ccedil$1, + ccirc: ccirc, + ccups: ccups, + ccupssm: ccupssm, + cdot: cdot, + cedi: cedi, + cedil: cedil$1, + cemptyv: cemptyv, + cen: cen, + cent: cent$1, + centerdot: centerdot, + cfr: cfr, + chcy: chcy, + check: check$2, + checkmark: checkmark, + chi: chi, + cir: cir, + cirE: cirE, + circ: circ, + circeq: circeq, + circlearrowleft: circlearrowleft, + circlearrowright: circlearrowright, + circledR: circledR, + circledS: circledS, + circledast: circledast, + circledcirc: circledcirc, + circleddash: circleddash, + cire: cire, + cirfnint: cirfnint, + cirmid: cirmid, + cirscir: cirscir, + clubs: clubs, + clubsuit: clubsuit, + colon: colon, + colone: colone, + coloneq: coloneq, + comma: comma, + commat: commat, + comp: comp, + compfn: compfn, + complement: complement, + complexes: complexes, + cong: cong, + congdot: congdot, + conint: conint, + copf: copf, + coprod: coprod, + cop: cop, + copy: copy$2, + copysr: copysr, + crarr: crarr, + cross: cross, + cscr: cscr, + csub: csub, + csube: csube, + csup: csup, + csupe: csupe, + ctdot: ctdot, + cudarrl: cudarrl, + cudarrr: cudarrr, + cuepr: cuepr, + cuesc: cuesc, + cularr: cularr, + cularrp: cularrp, + cup: cup, + cupbrcap: cupbrcap, + cupcap: cupcap, + cupcup: cupcup, + cupdot: cupdot, + cupor: cupor, + cups: cups, + curarr: curarr, + curarrm: curarrm, + curlyeqprec: curlyeqprec, + curlyeqsucc: curlyeqsucc, + curlyvee: curlyvee, + curlywedge: curlywedge, + curre: curre, + curren: curren$1, + curvearrowleft: curvearrowleft, + curvearrowright: curvearrowright, + cuvee: cuvee, + cuwed: cuwed, + cwconint: cwconint, + cwint: cwint, + cylcty: cylcty, + dArr: dArr, + dHar: dHar, + dagger: dagger, + daleth: daleth, + darr: darr, + dash: dash, + dashv: dashv, + dbkarow: dbkarow, + dblac: dblac, + dcaron: dcaron, + dcy: dcy, + dd: dd, + ddagger: ddagger, + ddarr: ddarr, + ddotseq: ddotseq, + de: de, + deg: deg$1, + delta: delta, + demptyv: demptyv, + dfisht: dfisht, + dfr: dfr, + dharl: dharl, + dharr: dharr, + diam: diam, + diamond: diamond, + diamondsuit: diamondsuit, + diams: diams, + die: die, + digamma: digamma, + disin: disin, + div: div, + divid: divid, + divide: divide$1, + divideontimes: divideontimes, + divonx: divonx, + djcy: djcy, + dlcorn: dlcorn, + dlcrop: dlcrop, + dollar: dollar, + dopf: dopf, + dot: dot, + doteq: doteq, + doteqdot: doteqdot, + dotminus: dotminus, + dotplus: dotplus, + dotsquare: dotsquare, + doublebarwedge: doublebarwedge, + downarrow: downarrow, + downdownarrows: downdownarrows, + downharpoonleft: downharpoonleft, + downharpoonright: downharpoonright, + drbkarow: drbkarow, + drcorn: drcorn, + drcrop: drcrop, + dscr: dscr, + dscy: dscy, + dsol: dsol, + dstrok: dstrok, + dtdot: dtdot, + dtri: dtri, + dtrif: dtrif, + duarr: duarr, + duhar: duhar, + dwangle: dwangle, + dzcy: dzcy, + dzigrarr: dzigrarr, + eDDot: eDDot, + eDot: eDot, + eacut: eacut, + eacute: eacute$1, + easter: easter, + ecaron: ecaron, + ecir: ecir, + ecirc: ecirc$1, + ecolon: ecolon, + ecy: ecy, + edot: edot, + ee: ee, + efDot: efDot, + efr: efr, + eg: eg, + egrav: egrav, + egrave: egrave$1, + egs: egs, + egsdot: egsdot, + el: el, + elinters: elinters, + ell: ell, + els: els, + elsdot: elsdot, + emacr: emacr, + empty: empty, + emptyset: emptyset, + emptyv: emptyv, + emsp13: emsp13, + emsp14: emsp14, + emsp: emsp, + eng: eng, + ensp: ensp, + eogon: eogon, + eopf: eopf, + epar: epar, + eparsl: eparsl, + eplus: eplus, + epsi: epsi, + epsilon: epsilon, + epsiv: epsiv, + eqcirc: eqcirc, + eqcolon: eqcolon, + eqsim: eqsim, + eqslantgtr: eqslantgtr, + eqslantless: eqslantless, + equals: equals, + equest: equest, + equiv: equiv, + equivDD: equivDD, + eqvparsl: eqvparsl, + erDot: erDot, + erarr: erarr, + escr: escr, + esdot: esdot, + esim: esim, + eta: eta, + et: et, + eth: eth$1, + eum: eum, + euml: euml$1, + euro: euro, + excl: excl, + exist: exist, + expectation: expectation, + exponentiale: exponentiale, + fallingdotseq: fallingdotseq, + fcy: fcy, + female: female, + ffilig: ffilig, + fflig: fflig, + ffllig: ffllig, + ffr: ffr, + filig: filig, + fjlig: fjlig, + flat: flat, + fllig: fllig, + fltns: fltns, + fnof: fnof, + fopf: fopf, + forall: forall, + fork: fork, + forkv: forkv, + fpartint: fpartint, + frac1: frac1, + frac12: frac12$1, + frac13: frac13, + frac14: frac14$1, + frac15: frac15, + frac16: frac16, + frac18: frac18, + frac23: frac23, + frac25: frac25, + frac3: frac3, + frac34: frac34$1, + frac35: frac35, + frac38: frac38, + frac45: frac45, + frac56: frac56, + frac58: frac58, + frac78: frac78, + frasl: frasl, + frown: frown, + fscr: fscr, + gE: gE, + gEl: gEl, + gacute: gacute, + gamma: gamma, + gammad: gammad, + gap: gap, + gbreve: gbreve, + gcirc: gcirc, + gcy: gcy, + gdot: gdot, + ge: ge, + gel: gel, + geq: geq, + geqq: geqq, + geqslant: geqslant, + ges: ges, + gescc: gescc, + gesdot: gesdot, + gesdoto: gesdoto, + gesdotol: gesdotol, + gesl: gesl, + gesles: gesles, + gfr: gfr, + gg: gg, + ggg: ggg, + gimel: gimel, + gjcy: gjcy, + gl: gl, + glE: glE, + gla: gla, + glj: glj, + gnE: gnE, + gnap: gnap, + gnapprox: gnapprox, + gne: gne, + gneq: gneq, + gneqq: gneqq, + gnsim: gnsim, + gopf: gopf, + grave: grave, + gscr: gscr, + gsim: gsim, + gsime: gsime, + gsiml: gsiml, + g: g, + gt: gt$1, + gtcc: gtcc, + gtcir: gtcir, + gtdot: gtdot, + gtlPar: gtlPar, + gtquest: gtquest, + gtrapprox: gtrapprox, + gtrarr: gtrarr, + gtrdot: gtrdot, + gtreqless: gtreqless, + gtreqqless: gtreqqless, + gtrless: gtrless, + gtrsim: gtrsim, + gvertneqq: gvertneqq, + gvnE: gvnE, + hArr: hArr, + hairsp: hairsp, + half: half, + hamilt: hamilt, + hardcy: hardcy, + harr: harr, + harrcir: harrcir, + harrw: harrw, + hbar: hbar, + hcirc: hcirc, + hearts: hearts, + heartsuit: heartsuit, + hellip: hellip, + hercon: hercon, + hfr: hfr, + hksearow: hksearow, + hkswarow: hkswarow, + hoarr: hoarr, + homtht: homtht, + hookleftarrow: hookleftarrow, + hookrightarrow: hookrightarrow, + hopf: hopf, + horbar: horbar, + hscr: hscr, + hslash: hslash, + hstrok: hstrok, + hybull: hybull, + hyphen: hyphen, + iacut: iacut, + iacute: iacute$1, + ic: ic, + icir: icir, + icirc: icirc$1, + icy: icy, + iecy: iecy, + iexc: iexc, + iexcl: iexcl$1, + iff: iff, + ifr: ifr, + igrav: igrav, + igrave: igrave$1, + ii: ii, + iiiint: iiiint, + iiint: iiint, + iinfin: iinfin, + iiota: iiota, + ijlig: ijlig, + imacr: imacr, + image: image, + imagline: imagline, + imagpart: imagpart, + imath: imath, + imof: imof, + imped: imped, + incare: incare, + infin: infin, + infintie: infintie, + inodot: inodot, + int: int, + intcal: intcal, + integers: integers, + intercal: intercal, + intlarhk: intlarhk, + intprod: intprod, + iocy: iocy, + iogon: iogon, + iopf: iopf, + iota: iota, + iprod: iprod, + iques: iques, + iquest: iquest$1, + iscr: iscr, + isin: isin, + isinE: isinE, + isindot: isindot, + isins: isins, + isinsv: isinsv, + isinv: isinv, + it: it, + itilde: itilde, + iukcy: iukcy, + ium: ium, + iuml: iuml$1, + jcirc: jcirc, + jcy: jcy, + jfr: jfr, + jmath: jmath, + jopf: jopf, + jscr: jscr, + jsercy: jsercy, + jukcy: jukcy, + kappa: kappa, + kappav: kappav, + kcedil: kcedil, + kcy: kcy, + kfr: kfr, + kgreen: kgreen, + khcy: khcy, + kjcy: kjcy, + kopf: kopf, + kscr: kscr, + lAarr: lAarr, + lArr: lArr, + lAtail: lAtail, + lBarr: lBarr, + lE: lE, + lEg: lEg, + lHar: lHar, + lacute: lacute, + laemptyv: laemptyv, + lagran: lagran, + lambda: lambda, + lang: lang, + langd: langd, + langle: langle, + lap: lap, + laqu: laqu, + laquo: laquo$1, + larr: larr, + larrb: larrb, + larrbfs: larrbfs, + larrfs: larrfs, + larrhk: larrhk, + larrlp: larrlp, + larrpl: larrpl, + larrsim: larrsim, + larrtl: larrtl, + lat: lat, + latail: latail, + late: late, + lates: lates, + lbarr: lbarr, + lbbrk: lbbrk, + lbrace: lbrace, + lbrack: lbrack, + lbrke: lbrke, + lbrksld: lbrksld, + lbrkslu: lbrkslu, + lcaron: lcaron, + lcedil: lcedil, + lceil: lceil, + lcub: lcub, + lcy: lcy, + ldca: ldca, + ldquo: ldquo, + ldquor: ldquor, + ldrdhar: ldrdhar, + ldrushar: ldrushar, + ldsh: ldsh, + le: le, + leftarrow: leftarrow, + leftarrowtail: leftarrowtail, + leftharpoondown: leftharpoondown, + leftharpoonup: leftharpoonup, + leftleftarrows: leftleftarrows, + leftrightarrow: leftrightarrow, + leftrightarrows: leftrightarrows, + leftrightharpoons: leftrightharpoons, + leftrightsquigarrow: leftrightsquigarrow, + leftthreetimes: leftthreetimes, + leg: leg, + leq: leq, + leqq: leqq, + leqslant: leqslant, + les: les, + lescc: lescc, + lesdot: lesdot, + lesdoto: lesdoto, + lesdotor: lesdotor, + lesg: lesg, + lesges: lesges, + lessapprox: lessapprox, + lessdot: lessdot, + lesseqgtr: lesseqgtr, + lesseqqgtr: lesseqqgtr, + lessgtr: lessgtr, + lesssim: lesssim, + lfisht: lfisht, + lfloor: lfloor, + lfr: lfr, + lg: lg, + lgE: lgE, + lhard: lhard, + lharu: lharu, + lharul: lharul, + lhblk: lhblk, + ljcy: ljcy, + ll: ll, + llarr: llarr, + llcorner: llcorner, + llhard: llhard, + lltri: lltri, + lmidot: lmidot, + lmoust: lmoust, + lmoustache: lmoustache, + lnE: lnE, + lnap: lnap, + lnapprox: lnapprox, + lne: lne, + lneq: lneq, + lneqq: lneqq, + lnsim: lnsim, + loang: loang, + loarr: loarr, + lobrk: lobrk, + longleftarrow: longleftarrow, + longleftrightarrow: longleftrightarrow, + longmapsto: longmapsto, + longrightarrow: longrightarrow, + looparrowleft: looparrowleft, + looparrowright: looparrowright, + lopar: lopar, + lopf: lopf, + loplus: loplus, + lotimes: lotimes, + lowast: lowast, + lowbar: lowbar, + loz: loz, + lozenge: lozenge, + lozf: lozf, + lpar: lpar, + lparlt: lparlt, + lrarr: lrarr, + lrcorner: lrcorner, + lrhar: lrhar, + lrhard: lrhard, + lrm: lrm, + lrtri: lrtri, + lsaquo: lsaquo, + lscr: lscr, + lsh: lsh, + lsim: lsim, + lsime: lsime, + lsimg: lsimg, + lsqb: lsqb, + lsquo: lsquo, + lsquor: lsquor, + lstrok: lstrok, + l: l, + lt: lt$1, + ltcc: ltcc, + ltcir: ltcir, + ltdot: ltdot, + lthree: lthree, + ltimes: ltimes, + ltlarr: ltlarr, + ltquest: ltquest, + ltrPar: ltrPar, + ltri: ltri, + ltrie: ltrie, + ltrif: ltrif, + lurdshar: lurdshar, + luruhar: luruhar, + lvertneqq: lvertneqq, + lvnE: lvnE, + mDDot: mDDot, + mac: mac, + macr: macr$1, + male: male, + malt: malt, + maltese: maltese, + map: map$2, + mapsto: mapsto, + mapstodown: mapstodown, + mapstoleft: mapstoleft, + mapstoup: mapstoup, + marker: marker, + mcomma: mcomma, + mcy: mcy, + mdash: mdash, + measuredangle: measuredangle, + mfr: mfr, + mho: mho, + micr: micr, + micro: micro$1, + mid: mid, + midast: midast, + midcir: midcir, + middo: middo, + middot: middot$1, + minus: minus, + minusb: minusb, + minusd: minusd, + minusdu: minusdu, + mlcp: mlcp, + mldr: mldr, + mnplus: mnplus, + models: models$1, + mopf: mopf, + mp: mp, + mscr: mscr, + mstpos: mstpos, + mu: mu, + multimap: multimap, + mumap: mumap, + nGg: nGg, + nGt: nGt, + nGtv: nGtv, + nLeftarrow: nLeftarrow, + nLeftrightarrow: nLeftrightarrow, + nLl: nLl, + nLt: nLt, + nLtv: nLtv, + nRightarrow: nRightarrow, + nVDash: nVDash, + nVdash: nVdash, + nabla: nabla, + nacute: nacute, + nang: nang, + nap: nap, + napE: napE, + napid: napid, + napos: napos, + napprox: napprox, + natur: natur, + natural: natural, + naturals: naturals, + nbs: nbs, + nbsp: nbsp$1, + nbump: nbump, + nbumpe: nbumpe, + ncap: ncap, + ncaron: ncaron, + ncedil: ncedil, + ncong: ncong, + ncongdot: ncongdot, + ncup: ncup, + ncy: ncy, + ndash: ndash, + ne: ne, + neArr: neArr, + nearhk: nearhk, + nearr: nearr, + nearrow: nearrow, + nedot: nedot, + nequiv: nequiv, + nesear: nesear, + nesim: nesim, + nexist: nexist, + nexists: nexists, + nfr: nfr, + ngE: ngE, + nge: nge, + ngeq: ngeq, + ngeqq: ngeqq, + ngeqslant: ngeqslant, + nges: nges, + ngsim: ngsim, + ngt: ngt, + ngtr: ngtr, + nhArr: nhArr, + nharr: nharr, + nhpar: nhpar, + ni: ni, + nis: nis, + nisd: nisd, + niv: niv, + njcy: njcy, + nlArr: nlArr, + nlE: nlE, + nlarr: nlarr, + nldr: nldr, + nle: nle, + nleftarrow: nleftarrow, + nleftrightarrow: nleftrightarrow, + nleq: nleq, + nleqq: nleqq, + nleqslant: nleqslant, + nles: nles, + nless: nless, + nlsim: nlsim, + nlt: nlt, + nltri: nltri, + nltrie: nltrie, + nmid: nmid, + nopf: nopf, + no: no, + not: not$1, + notin: notin, + notinE: notinE, + notindot: notindot, + notinva: notinva, + notinvb: notinvb, + notinvc: notinvc, + notni: notni, + notniva: notniva, + notnivb: notnivb, + notnivc: notnivc, + npar: npar, + nparallel: nparallel, + nparsl: nparsl, + npart: npart, + npolint: npolint, + npr: npr, + nprcue: nprcue, + npre: npre, + nprec: nprec, + npreceq: npreceq, + nrArr: nrArr, + nrarr: nrarr, + nrarrc: nrarrc, + nrarrw: nrarrw, + nrightarrow: nrightarrow, + nrtri: nrtri, + nrtrie: nrtrie, + nsc: nsc, + nsccue: nsccue, + nsce: nsce, + nscr: nscr, + nshortmid: nshortmid, + nshortparallel: nshortparallel, + nsim: nsim, + nsime: nsime, + nsimeq: nsimeq, + nsmid: nsmid, + nspar: nspar, + nsqsube: nsqsube, + nsqsupe: nsqsupe, + nsub: nsub, + nsubE: nsubE, + nsube: nsube, + nsubset: nsubset, + nsubseteq: nsubseteq, + nsubseteqq: nsubseteqq, + nsucc: nsucc, + nsucceq: nsucceq, + nsup: nsup, + nsupE: nsupE, + nsupe: nsupe, + nsupset: nsupset, + nsupseteq: nsupseteq, + nsupseteqq: nsupseteqq, + ntgl: ntgl, + ntild: ntild, + ntilde: ntilde$1, + ntlg: ntlg, + ntriangleleft: ntriangleleft, + ntrianglelefteq: ntrianglelefteq, + ntriangleright: ntriangleright, + ntrianglerighteq: ntrianglerighteq, + nu: nu, + num: num, + numero: numero, + numsp: numsp, + nvDash: nvDash, + nvHarr: nvHarr, + nvap: nvap, + nvdash: nvdash, + nvge: nvge, + nvgt: nvgt, + nvinfin: nvinfin, + nvlArr: nvlArr, + nvle: nvle, + nvlt: nvlt, + nvltrie: nvltrie, + nvrArr: nvrArr, + nvrtrie: nvrtrie, + nvsim: nvsim, + nwArr: nwArr, + nwarhk: nwarhk, + nwarr: nwarr, + nwarrow: nwarrow, + nwnear: nwnear, + oS: oS, + oacut: oacut, + oacute: oacute$1, + oast: oast, + ocir: ocir, + ocirc: ocirc$1, + ocy: ocy, + odash: odash, + odblac: odblac, + odiv: odiv, + odot: odot, + odsold: odsold, + oelig: oelig, + ofcir: ofcir, + ofr: ofr, + ogon: ogon, + ograv: ograv, + ograve: ograve$1, + ogt: ogt, + ohbar: ohbar, + ohm: ohm, + oint: oint, + olarr: olarr, + olcir: olcir, + olcross: olcross, + oline: oline, + olt: olt, + omacr: omacr, + omega: omega, + omicron: omicron, + omid: omid, + ominus: ominus, + oopf: oopf, + opar: opar, + operp: operp, + oplus: oplus, + or: or, + orarr: orarr, + ord: ord, + order: order$1, + orderof: orderof, + ordf: ordf$1, + ordm: ordm$1, + origof: origof, + oror: oror, + orslope: orslope, + orv: orv, + oscr: oscr, + oslas: oslas, + oslash: oslash$1, + osol: osol, + otild: otild, + otilde: otilde$1, + otimes: otimes, + otimesas: otimesas, + oum: oum, + ouml: ouml$1, + ovbar: ovbar, + par: par, + para: para$1, + parallel: parallel, + parsim: parsim, + parsl: parsl, + part: part, + pcy: pcy, + percnt: percnt, + period: period, + permil: permil, + perp: perp, + pertenk: pertenk, + pfr: pfr, + phi: phi, + phiv: phiv, + phmmat: phmmat, + phone: phone, + pi: pi, + pitchfork: pitchfork, + piv: piv, + planck: planck, + planckh: planckh, + plankv: plankv, + plus: plus, + plusacir: plusacir, + plusb: plusb, + pluscir: pluscir, + plusdo: plusdo, + plusdu: plusdu, + pluse: pluse, + plusm: plusm, + plusmn: plusmn$1, + plussim: plussim, + plustwo: plustwo, + pm: pm, + pointint: pointint, + popf: popf, + poun: poun, + pound: pound$1, + pr: pr, + prE: prE, + prap: prap, + prcue: prcue, + pre: pre, + prec: prec, + precapprox: precapprox, + preccurlyeq: preccurlyeq, + preceq: preceq, + precnapprox: precnapprox, + precneqq: precneqq, + precnsim: precnsim, + precsim: precsim, + prime: prime, + primes: primes, + prnE: prnE, + prnap: prnap, + prnsim: prnsim, + prod: prod, + profalar: profalar, + profline: profline, + profsurf: profsurf, + prop: prop, + propto: propto, + prsim: prsim, + prurel: prurel, + pscr: pscr, + psi: psi, + puncsp: puncsp, + qfr: qfr, + qint: qint, + qopf: qopf, + qprime: qprime, + qscr: qscr, + quaternions: quaternions, + quatint: quatint, + quest: quest, + questeq: questeq, + quo: quo, + quot: quot$1, + rAarr: rAarr, + rArr: rArr, + rAtail: rAtail, + rBarr: rBarr, + rHar: rHar, + race: race, + racute: racute, + radic: radic, + raemptyv: raemptyv, + rang: rang, + rangd: rangd, + range: range$1, + rangle: rangle, + raqu: raqu, + raquo: raquo$1, + rarr: rarr, + rarrap: rarrap, + rarrb: rarrb, + rarrbfs: rarrbfs, + rarrc: rarrc, + rarrfs: rarrfs, + rarrhk: rarrhk, + rarrlp: rarrlp, + rarrpl: rarrpl, + rarrsim: rarrsim, + rarrtl: rarrtl, + rarrw: rarrw, + ratail: ratail, + ratio: ratio, + rationals: rationals, + rbarr: rbarr, + rbbrk: rbbrk, + rbrace: rbrace, + rbrack: rbrack, + rbrke: rbrke, + rbrksld: rbrksld, + rbrkslu: rbrkslu, + rcaron: rcaron, + rcedil: rcedil, + rceil: rceil, + rcub: rcub, + rcy: rcy, + rdca: rdca, + rdldhar: rdldhar, + rdquo: rdquo, + rdquor: rdquor, + rdsh: rdsh, + real: real, + realine: realine, + realpart: realpart, + reals: reals, + rect: rect, + re: re, + reg: reg$1, + rfisht: rfisht, + rfloor: rfloor, + rfr: rfr, + rhard: rhard, + rharu: rharu, + rharul: rharul, + rho: rho, + rhov: rhov, + rightarrow: rightarrow, + rightarrowtail: rightarrowtail, + rightharpoondown: rightharpoondown, + rightharpoonup: rightharpoonup, + rightleftarrows: rightleftarrows, + rightleftharpoons: rightleftharpoons, + rightrightarrows: rightrightarrows, + rightsquigarrow: rightsquigarrow, + rightthreetimes: rightthreetimes, + ring: ring, + risingdotseq: risingdotseq, + rlarr: rlarr, + rlhar: rlhar, + rlm: rlm, + rmoust: rmoust, + rmoustache: rmoustache, + rnmid: rnmid, + roang: roang, + roarr: roarr, + robrk: robrk, + ropar: ropar, + ropf: ropf, + roplus: roplus, + rotimes: rotimes, + rpar: rpar, + rpargt: rpargt, + rppolint: rppolint, + rrarr: rrarr, + rsaquo: rsaquo, + rscr: rscr, + rsh: rsh, + rsqb: rsqb, + rsquo: rsquo, + rsquor: rsquor, + rthree: rthree, + rtimes: rtimes, + rtri: rtri, + rtrie: rtrie, + rtrif: rtrif, + rtriltri: rtriltri, + ruluhar: ruluhar, + rx: rx, + sacute: sacute, + sbquo: sbquo, + sc: sc, + scE: scE, + scap: scap, + scaron: scaron, + sccue: sccue, + sce: sce, + scedil: scedil, + scirc: scirc, + scnE: scnE, + scnap: scnap, + scnsim: scnsim, + scpolint: scpolint, + scsim: scsim, + scy: scy, + sdot: sdot, + sdotb: sdotb, + sdote: sdote, + seArr: seArr, + searhk: searhk, + searr: searr, + searrow: searrow, + sec: sec, + sect: sect$1, + semi: semi, + seswar: seswar, + setminus: setminus, + setmn: setmn, + sext: sext, + sfr: sfr, + sfrown: sfrown, + sharp: sharp, + shchcy: shchcy, + shcy: shcy, + shortmid: shortmid, + shortparallel: shortparallel, + sh: sh, + shy: shy$1, + sigma: sigma, + sigmaf: sigmaf, + sigmav: sigmav, + sim: sim, + simdot: simdot, + sime: sime, + simeq: simeq, + simg: simg, + simgE: simgE, + siml: siml, + simlE: simlE, + simne: simne, + simplus: simplus, + simrarr: simrarr, + slarr: slarr, + smallsetminus: smallsetminus, + smashp: smashp, + smeparsl: smeparsl, + smid: smid, + smile: smile, + smt: smt, + smte: smte, + smtes: smtes, + softcy: softcy, + sol: sol, + solb: solb, + solbar: solbar, + sopf: sopf, + spades: spades, + spadesuit: spadesuit, + spar: spar, + sqcap: sqcap, + sqcaps: sqcaps, + sqcup: sqcup, + sqcups: sqcups, + sqsub: sqsub, + sqsube: sqsube, + sqsubset: sqsubset, + sqsubseteq: sqsubseteq, + sqsup: sqsup, + sqsupe: sqsupe, + sqsupset: sqsupset, + sqsupseteq: sqsupseteq, + squ: squ, + square: square, + squarf: squarf, + squf: squf, + srarr: srarr, + sscr: sscr, + ssetmn: ssetmn, + ssmile: ssmile, + sstarf: sstarf, + star: star$1, + starf: starf, + straightepsilon: straightepsilon, + straightphi: straightphi, + strns: strns, + sub: sub, + subE: subE, + subdot: subdot, + sube: sube, + subedot: subedot, + submult: submult, + subnE: subnE, + subne: subne, + subplus: subplus, + subrarr: subrarr, + subset: subset, + subseteq: subseteq, + subseteqq: subseteqq, + subsetneq: subsetneq, + subsetneqq: subsetneqq, + subsim: subsim, + subsub: subsub, + subsup: subsup, + succ: succ, + succapprox: succapprox, + succcurlyeq: succcurlyeq, + succeq: succeq, + succnapprox: succnapprox, + succneqq: succneqq, + succnsim: succnsim, + succsim: succsim, + sum: sum, + sung: sung, + sup: sup, + sup1: sup1$1, + sup2: sup2$1, + sup3: sup3$1, + supE: supE, + supdot: supdot, + supdsub: supdsub, + supe: supe, + supedot: supedot, + suphsol: suphsol, + suphsub: suphsub, + suplarr: suplarr, + supmult: supmult, + supnE: supnE, + supne: supne, + supplus: supplus, + supset: supset, + supseteq: supseteq, + supseteqq: supseteqq, + supsetneq: supsetneq, + supsetneqq: supsetneqq, + supsim: supsim, + supsub: supsub, + supsup: supsup, + swArr: swArr, + swarhk: swarhk, + swarr: swarr, + swarrow: swarrow, + swnwar: swnwar, + szli: szli, + szlig: szlig$1, + target: target, + tau: tau, + tbrk: tbrk, + tcaron: tcaron, + tcedil: tcedil, + tcy: tcy, + tdot: tdot, + telrec: telrec, + tfr: tfr, + there4: there4, + therefore: therefore, + theta: theta, + thetasym: thetasym, + thetav: thetav, + thickapprox: thickapprox, + thicksim: thicksim, + thinsp: thinsp, + thkap: thkap, + thksim: thksim, + thor: thor, + thorn: thorn$1, + tilde: tilde, + time: time, + times: times$1, + timesb: timesb, + timesbar: timesbar, + timesd: timesd, + tint: tint, + toea: toea, + top: top, + topbot: topbot, + topcir: topcir, + topf: topf, + topfork: topfork, + tosa: tosa, + tprime: tprime, + trade: trade, + triangle: triangle, + triangledown: triangledown, + triangleleft: triangleleft, + trianglelefteq: trianglelefteq, + triangleq: triangleq, + triangleright: triangleright, + trianglerighteq: trianglerighteq, + tridot: tridot, + trie: trie, + triminus: triminus, + triplus: triplus, + trisb: trisb, + tritime: tritime, + trpezium: trpezium, + tscr: tscr, + tscy: tscy, + tshcy: tshcy, + tstrok: tstrok, + twixt: twixt, + twoheadleftarrow: twoheadleftarrow, + twoheadrightarrow: twoheadrightarrow, + uArr: uArr, + uHar: uHar, + uacut: uacut, + uacute: uacute$1, + uarr: uarr, + ubrcy: ubrcy, + ubreve: ubreve, + ucir: ucir, + ucirc: ucirc$1, + ucy: ucy, + udarr: udarr, + udblac: udblac, + udhar: udhar, + ufisht: ufisht, + ufr: ufr, + ugrav: ugrav, + ugrave: ugrave$1, + uharl: uharl, + uharr: uharr, + uhblk: uhblk, + ulcorn: ulcorn, + ulcorner: ulcorner, + ulcrop: ulcrop, + ultri: ultri, + umacr: umacr, + um: um, + uml: uml$1, + uogon: uogon, + uopf: uopf, + uparrow: uparrow, + updownarrow: updownarrow, + upharpoonleft: upharpoonleft, + upharpoonright: upharpoonright, + uplus: uplus, + upsi: upsi, + upsih: upsih, + upsilon: upsilon, + upuparrows: upuparrows, + urcorn: urcorn, + urcorner: urcorner, + urcrop: urcrop, + uring: uring, + urtri: urtri, + uscr: uscr, + utdot: utdot, + utilde: utilde, + utri: utri, + utrif: utrif, + uuarr: uuarr, + uum: uum, + uuml: uuml$1, + uwangle: uwangle, + vArr: vArr, + vBar: vBar, + vBarv: vBarv, + vDash: vDash, + vangrt: vangrt, + varepsilon: varepsilon, + varkappa: varkappa, + varnothing: varnothing, + varphi: varphi, + varpi: varpi, + varpropto: varpropto, + varr: varr, + varrho: varrho, + varsigma: varsigma, + varsubsetneq: varsubsetneq, + varsubsetneqq: varsubsetneqq, + varsupsetneq: varsupsetneq, + varsupsetneqq: varsupsetneqq, + vartheta: vartheta, + vartriangleleft: vartriangleleft, + vartriangleright: vartriangleright, + vcy: vcy, + vdash: vdash, + vee: vee, + veebar: veebar, + veeeq: veeeq, + vellip: vellip, + verbar: verbar, + vert: vert, + vfr: vfr, + vltri: vltri, + vnsub: vnsub, + vnsup: vnsup, + vopf: vopf, + vprop: vprop, + vrtri: vrtri, + vscr: vscr, + vsubnE: vsubnE, + vsubne: vsubne, + vsupnE: vsupnE, + vsupne: vsupne, + vzigzag: vzigzag, + wcirc: wcirc, + wedbar: wedbar, + wedge: wedge, + wedgeq: wedgeq, + weierp: weierp, + wfr: wfr, + wopf: wopf, + wp: wp, + wr: wr, + wreath: wreath, + wscr: wscr, + xcap: xcap, + xcirc: xcirc, + xcup: xcup, + xdtri: xdtri, + xfr: xfr, + xhArr: xhArr, + xharr: xharr, + xi: xi, + xlArr: xlArr, + xlarr: xlarr, + xmap: xmap, + xnis: xnis, + xodot: xodot, + xopf: xopf, + xoplus: xoplus, + xotime: xotime, + xrArr: xrArr, + xrarr: xrarr, + xscr: xscr, + xsqcup: xsqcup, + xuplus: xuplus, + xutri: xutri, + xvee: xvee, + xwedge: xwedge, + yacut: yacut, + yacute: yacute$1, + yacy: yacy, + ycirc: ycirc, + ycy: ycy, + ye: ye, + yen: yen$1, + yfr: yfr, + yicy: yicy, + yopf: yopf, + yscr: yscr, + yucy: yucy, + yum: yum, + yuml: yuml$1, + zacute: zacute, + zcaron: zcaron, + zcy: zcy, + zdot: zdot, + zeetrf: zeetrf, + zeta: zeta, + zfr: zfr, + zhcy: zhcy, + zigrarr: zigrarr, + zopf: zopf, + zscr: zscr, + zwj: zwj, + zwnj: zwnj, + 'default': index$3 +}); + +var characterEntities$1 = getCjsExportFromNamespace(characterEntities); + +var decodeEntity_1 = decodeEntity; + +var own$3 = {}.hasOwnProperty; + +function decodeEntity(characters) { + return own$3.call(characterEntities$1, characters) + ? characterEntities$1[characters] + : false +} + +var legacy = getCjsExportFromNamespace(characterEntitiesLegacy); + +var invalid = getCjsExportFromNamespace(characterReferenceInvalid); + +var parseEntities_1 = parseEntities; + +var own$4 = {}.hasOwnProperty; +var fromCharCode = String.fromCharCode; +var noop$2 = Function.prototype; + +// Default settings. +var defaults = { + warning: null, + reference: null, + text: null, + warningContext: null, + referenceContext: null, + textContext: null, + position: {}, + additional: null, + attribute: false, + nonTerminated: true +}; + +// Characters. +var tab = 9; // '\t' +var lineFeed = 10; // '\n' +var formFeed = 12; // '\f' +var space = 32; // ' ' +var ampersand = 38; // '&' +var semicolon = 59; // ';' +var lessThan = 60; // '<' +var equalsTo = 61; // '=' +var numberSign = 35; // '#' +var uppercaseX = 88; // 'X' +var lowercaseX = 120; // 'x' +var replacementCharacter = 65533; // '�' + +// Reference types. +var name = 'named'; +var hexa = 'hexadecimal'; +var deci = 'decimal'; + +// Map of bases. +var bases = {}; + +bases[hexa] = 16; +bases[deci] = 10; + +// Map of types to tests. +// Each type of character reference accepts different characters. +// This test is used to detect whether a reference has ended (as the semicolon +// is not strictly needed). +var tests = {}; + +tests[name] = isAlphanumerical; +tests[deci] = isDecimal; +tests[hexa] = isHexadecimal; + +// Warning types. +var namedNotTerminated = 1; +var numericNotTerminated = 2; +var namedEmpty = 3; +var numericEmpty = 4; +var namedUnknown = 5; +var numericDisallowed = 6; +var numericProhibited = 7; + +// Warning messages. +var messages = {}; + +messages[namedNotTerminated] = + 'Named character references must be terminated by a semicolon'; +messages[numericNotTerminated] = + 'Numeric character references must be terminated by a semicolon'; +messages[namedEmpty] = 'Named character references cannot be empty'; +messages[numericEmpty] = 'Numeric character references cannot be empty'; +messages[namedUnknown] = 'Named character references must be known'; +messages[numericDisallowed] = + 'Numeric character references cannot be disallowed'; +messages[numericProhibited] = + 'Numeric character references cannot be outside the permissible Unicode range'; + +// Wrap to ensure clean parameters are given to `parse`. +function parseEntities(value, options) { + var settings = {}; + var option; + var key; + + if (!options) { + options = {}; + } + + for (key in defaults) { + option = options[key]; + settings[key] = + option === null || option === undefined ? defaults[key] : option; + } + + if (settings.position.indent || settings.position.start) { + settings.indent = settings.position.indent || []; + settings.position = settings.position.start; + } + + return parse$8(value, settings) +} + +// Parse entities. +// eslint-disable-next-line complexity +function parse$8(value, settings) { + var additional = settings.additional; + var nonTerminated = settings.nonTerminated; + var handleText = settings.text; + var handleReference = settings.reference; + var handleWarning = settings.warning; + var textContext = settings.textContext; + var referenceContext = settings.referenceContext; + var warningContext = settings.warningContext; + var pos = settings.position; + var indent = settings.indent || []; + var length = value.length; + var index = 0; + var lines = -1; + var column = pos.column || 1; + var line = pos.line || 1; + var queue = ''; + var result = []; + var entityCharacters; + var namedEntity; + var terminated; + var characters; + var character; + var reference; + var following; + var warning; + var reason; + var output; + var entity; + var begin; + var start; + var type; + var test; + var prev; + var next; + var diff; + var end; + + if (typeof additional === 'string') { + additional = additional.charCodeAt(0); + } + + // Cache the current point. + prev = now(); + + // Wrap `handleWarning`. + warning = handleWarning ? parseError : noop$2; + + // Ensure the algorithm walks over the first character and the end (inclusive). + index--; + length++; + + while (++index < length) { + // If the previous character was a newline. + if (character === lineFeed) { + column = indent[lines] || 1; + } + + character = value.charCodeAt(index); + + if (character === ampersand) { + following = value.charCodeAt(index + 1); + + // The behaviour depends on the identity of the next character. + if ( + following === tab || + following === lineFeed || + following === formFeed || + following === space || + following === ampersand || + following === lessThan || + following !== following || + (additional && following === additional) + ) { + // Not a character reference. + // No characters are consumed, and nothing is returned. + // This is not an error, either. + queue += fromCharCode(character); + column++; + + continue + } + + start = index + 1; + begin = start; + end = start; + + if (following === numberSign) { + // Numerical entity. + end = ++begin; + + // The behaviour further depends on the next character. + following = value.charCodeAt(end); + + if (following === uppercaseX || following === lowercaseX) { + // ASCII hex digits. + type = hexa; + end = ++begin; + } else { + // ASCII digits. + type = deci; + } + } else { + // Named entity. + type = name; + } + + entityCharacters = ''; + entity = ''; + characters = ''; + test = tests[type]; + end--; + + while (++end < length) { + following = value.charCodeAt(end); + + if (!test(following)) { + break + } + + characters += fromCharCode(following); + + // Check if we can match a legacy named reference. + // If so, we cache that as the last viable named reference. + // This ensures we do not need to walk backwards later. + if (type === name && own$4.call(legacy, characters)) { + entityCharacters = characters; + entity = legacy[characters]; + } + } + + terminated = value.charCodeAt(end) === semicolon; + + if (terminated) { + end++; + + namedEntity = type === name ? decodeEntity_1(characters) : false; + + if (namedEntity) { + entityCharacters = characters; + entity = namedEntity; + } + } + + diff = 1 + end - start; + + if (!terminated && !nonTerminated) ; else if (!characters) { + // An empty (possible) entity is valid, unless it’s numeric (thus an + // ampersand followed by an octothorp). + if (type !== name) { + warning(numericEmpty, diff); + } + } else if (type === name) { + // An ampersand followed by anything unknown, and not terminated, is + // invalid. + if (terminated && !entity) { + warning(namedUnknown, 1); + } else { + // If theres something after an entity name which is not known, cap + // the reference. + if (entityCharacters !== characters) { + end = begin + entityCharacters.length; + diff = 1 + end - begin; + terminated = false; + } + + // If the reference is not terminated, warn. + if (!terminated) { + reason = entityCharacters ? namedNotTerminated : namedEmpty; + + if (settings.attribute) { + following = value.charCodeAt(end); + + if (following === equalsTo) { + warning(reason, diff); + entity = null; + } else if (isAlphanumerical(following)) { + entity = null; + } else { + warning(reason, diff); + } + } else { + warning(reason, diff); + } + } + } + + reference = entity; + } else { + if (!terminated) { + // All non-terminated numeric entities are not rendered, and trigger a + // warning. + warning(numericNotTerminated, diff); + } + + // When terminated and number, parse as either hexadecimal or decimal. + reference = parseInt(characters, bases[type]); + + // Trigger a warning when the parsed number is prohibited, and replace + // with replacement character. + if (prohibited(reference)) { + warning(numericProhibited, diff); + reference = fromCharCode(replacementCharacter); + } else if (reference in invalid) { + // Trigger a warning when the parsed number is disallowed, and replace + // by an alternative. + warning(numericDisallowed, diff); + reference = invalid[reference]; + } else { + // Parse the number. + output = ''; + + // Trigger a warning when the parsed number should not be used. + if (disallowed(reference)) { + warning(numericDisallowed, diff); + } + + // Stringify the number. + if (reference > 0xffff) { + reference -= 0x10000; + output += fromCharCode((reference >>> (10 & 0x3ff)) | 0xd800); + reference = 0xdc00 | (reference & 0x3ff); + } + + reference = output + fromCharCode(reference); + } + } + + // Found it! + // First eat the queued characters as normal text, then eat an entity. + if (reference) { + flush(); + + prev = now(); + index = end - 1; + column += end - start + 1; + result.push(reference); + next = now(); + next.offset++; + + if (handleReference) { + handleReference.call( + referenceContext, + reference, + {start: prev, end: next}, + value.slice(start - 1, end) + ); + } + + prev = next; + } else { + // If we could not find a reference, queue the checked characters (as + // normal characters), and move the pointer to their end. + // This is possible because we can be certain neither newlines nor + // ampersands are included. + characters = value.slice(start - 1, end); + queue += characters; + column += characters.length; + index = end - 1; + } + } else { + // Handle anything other than an ampersand, including newlines and EOF. + if ( + character === 10 // Line feed + ) { + line++; + lines++; + column = 0; + } + + if (character === character) { + queue += fromCharCode(character); + column++; + } else { + flush(); + } + } + } + + // Return the reduced nodes, and any possible warnings. + return result.join('') + + // Get current position. + function now() { + return { + line: line, + column: column, + offset: index + (pos.offset || 0) + } + } + + // “Throw” a parse-error: a warning. + function parseError(code, offset) { + var position = now(); + + position.column += offset; + position.offset += offset; + + handleWarning.call(warningContext, messages[code], position, code); + } + + // Flush `queue` (normal text). + // Macro invoked before each entity and at the end of `value`. + // Does nothing when `queue` is empty. + function flush() { + if (queue) { + result.push(queue); + + if (handleText) { + handleText.call(textContext, queue, {start: prev, end: now()}); + } + + queue = ''; + } + } +} + +// Check if `character` is outside the permissible unicode range. +function prohibited(code) { + return (code >= 0xd800 && code <= 0xdfff) || code > 0x10ffff +} + +// Check if `character` is disallowed. +function disallowed(code) { + return ( + (code >= 0x0001 && code <= 0x0008) || + code === 0x000b || + (code >= 0x000d && code <= 0x001f) || + (code >= 0x007f && code <= 0x009f) || + (code >= 0xfdd0 && code <= 0xfdef) || + (code & 0xffff) === 0xffff || + (code & 0xffff) === 0xfffe + ) +} + +var decode = factory$4; + +// Factory to create an entity decoder. +function factory$4(ctx) { + decoder.raw = decodeRaw; + + return decoder + + // Normalize `position` to add an `indent`. + function normalize(position) { + var offsets = ctx.offset; + var line = position.line; + var result = []; + + while (++line) { + if (!(line in offsets)) { + break + } + + result.push((offsets[line] || 0) + 1); + } + + return {start: position, indent: result} + } + + // Decode `value` (at `position`) into text-nodes. + function decoder(value, position, handler) { + parseEntities_1(value, { + position: normalize(position), + warning: handleWarning, + text: handler, + reference: handler, + textContext: ctx, + referenceContext: ctx + }); + } + + // Decode `value` (at `position`) into a string. + function decodeRaw(value, position, options) { + return parseEntities_1( + value, + immutable(options, {position: normalize(position), warning: handleWarning}) + ) + } + + // Handle a warning. + // See for the warnings. + function handleWarning(reason, position, code) { + if (code !== 3) { + ctx.file.message(reason, position); + } + } +} + +var tokenizer = factory$5; + +// Construct a tokenizer. This creates both `tokenizeInline` and `tokenizeBlock`. +function factory$5(type) { + return tokenize + + // Tokenizer for a bound `type`. + function tokenize(value, location) { + var self = this; + var offset = self.offset; + var tokens = []; + var methods = self[type + 'Methods']; + var tokenizers = self[type + 'Tokenizers']; + var line = location.line; + var column = location.column; + var index; + var length; + var method; + var name; + var matched; + var valueLength; + + // Trim white space only lines. + if (!value) { + return tokens + } + + // Expose on `eat`. + eat.now = now; + eat.file = self.file; + + // Sync initial offset. + updatePosition(''); + + // Iterate over `value`, and iterate over all tokenizers. When one eats + // something, re-iterate with the remaining value. If no tokenizer eats, + // something failed (should not happen) and an exception is thrown. + while (value) { + index = -1; + length = methods.length; + matched = false; + + while (++index < length) { + name = methods[index]; + method = tokenizers[name]; + + if ( + method && + /* istanbul ignore next */ (!method.onlyAtStart || self.atStart) && + (!method.notInList || !self.inList) && + (!method.notInBlock || !self.inBlock) && + (!method.notInLink || !self.inLink) + ) { + valueLength = value.length; + + method.apply(self, [eat, value]); + + matched = valueLength !== value.length; + + if (matched) { + break + } + } + } + + /* istanbul ignore if */ + if (!matched) { + self.file.fail(new Error('Infinite loop'), eat.now()); + } + } + + self.eof = now(); + + return tokens + + // Update line, column, and offset based on `value`. + function updatePosition(subvalue) { + var lastIndex = -1; + var index = subvalue.indexOf('\n'); + + while (index !== -1) { + line++; + lastIndex = index; + index = subvalue.indexOf('\n', index + 1); + } + + if (lastIndex === -1) { + column += subvalue.length; + } else { + column = subvalue.length - lastIndex; + } + + if (line in offset) { + if (lastIndex !== -1) { + column += offset[line]; + } else if (column <= offset[line]) { + column = offset[line] + 1; + } + } + } + + // Get offset. Called before the first character is eaten to retrieve the + // range’s offsets. + function getOffset() { + var indentation = []; + var pos = line + 1; + + // Done. Called when the last character is eaten to retrieve the range’s + // offsets. + return function() { + var last = line + 1; + + while (pos < last) { + indentation.push((offset[pos] || 0) + 1); + + pos++; + } + + return indentation + } + } + + // Get the current position. + function now() { + var pos = {line: line, column: column}; + + pos.offset = self.toOffset(pos); + + return pos + } + + // Store position information for a node. + function Position(start) { + this.start = start; + this.end = now(); + } + + // Throw when a value is incorrectly eaten. This shouldn’t happen but will + // throw on new, incorrect rules. + function validateEat(subvalue) { + /* istanbul ignore if */ + if (value.slice(0, subvalue.length) !== subvalue) { + // Capture stack-trace. + self.file.fail( + new Error( + 'Incorrectly eaten value: please report this warning on https://git.io/vg5Ft' + ), + now() + ); + } + } + + // Mark position and patch `node.position`. + function position() { + var before = now(); + + return update + + // Add the position to a node. + function update(node, indent) { + var prev = node.position; + var start = prev ? prev.start : before; + var combined = []; + var n = prev && prev.end.line; + var l = before.line; + + node.position = new Position(start); + + // If there was already a `position`, this node was merged. Fixing + // `start` wasn’t hard, but the indent is different. Especially + // because some information, the indent between `n` and `l` wasn’t + // tracked. Luckily, that space is (should be?) empty, so we can + // safely check for it now. + if (prev && indent && prev.indent) { + combined = prev.indent; + + if (n < l) { + while (++n < l) { + combined.push((offset[n] || 0) + 1); + } + + combined.push(before.column); + } + + indent = combined.concat(indent); + } + + node.position.indent = indent || []; + + return node + } + } + + // Add `node` to `parent`s children or to `tokens`. Performs merges where + // possible. + function add(node, parent) { + var children = parent ? parent.children : tokens; + var prev = children[children.length - 1]; + var fn; + + if ( + prev && + node.type === prev.type && + (node.type === 'text' || node.type === 'blockquote') && + mergeable(prev) && + mergeable(node) + ) { + fn = node.type === 'text' ? mergeText : mergeBlockquote; + node = fn.call(self, prev, node); + } + + if (node !== prev) { + children.push(node); + } + + if (self.atStart && tokens.length !== 0) { + self.exitStart(); + } + + return node + } + + // Remove `subvalue` from `value`. `subvalue` must be at the start of + // `value`. + function eat(subvalue) { + var indent = getOffset(); + var pos = position(); + var current = now(); + + validateEat(subvalue); + + apply.reset = reset; + reset.test = test; + apply.test = test; + + value = value.slice(subvalue.length); + + updatePosition(subvalue); + + indent = indent(); + + return apply + + // Add the given arguments, add `position` to the returned node, and + // return the node. + function apply(node, parent) { + return pos(add(pos(node), parent), indent) + } + + // Functions just like apply, but resets the content: the line and + // column are reversed, and the eaten value is re-added. This is + // useful for nodes with a single type of content, such as lists and + // tables. See `apply` above for what parameters are expected. + function reset() { + var node = apply.apply(null, arguments); + + line = current.line; + column = current.column; + value = subvalue + value; + + return node + } + + // Test the position, after eating, and reverse to a not-eaten state. + function test() { + var result = pos({}); + + line = current.line; + column = current.column; + value = subvalue + value; + + return result.position + } + } + } +} + +// Check whether a node is mergeable with adjacent nodes. +function mergeable(node) { + var start; + var end; + + if (node.type !== 'text' || !node.position) { + return true + } + + start = node.position.start; + end = node.position.end; + + // Only merge nodes which occupy the same size as their `value`. + return ( + start.line !== end.line || end.column - start.column === node.value.length + ) +} + +// Merge two text nodes: `node` into `prev`. +function mergeText(prev, node) { + prev.value += node.value; + + return prev +} + +// Merge two blockquotes: `node` into `prev`, unless in CommonMark or gfm modes. +function mergeBlockquote(prev, node) { + if (this.options.commonmark || this.options.gfm) { + return node + } + + prev.children = prev.children.concat(node.children); + + return prev +} + +var markdownEscapes = escapes; + +var defaults$1 = [ + '\\', + '`', + '*', + '{', + '}', + '[', + ']', + '(', + ')', + '#', + '+', + '-', + '.', + '!', + '_', + '>' +]; + +var gfm = defaults$1.concat(['~', '|']); + +var commonmark = gfm.concat([ + '\n', + '"', + '$', + '%', + '&', + "'", + ',', + '/', + ':', + ';', + '<', + '=', + '?', + '@', + '^' +]); + +escapes.default = defaults$1; +escapes.gfm = gfm; +escapes.commonmark = commonmark; + +// Get markdown escapes. +function escapes(options) { + var settings = options || {}; + + if (settings.commonmark) { + return commonmark + } + + return settings.gfm ? gfm : defaults$1 +} + +var blockElements = [ + 'address', + 'article', + 'aside', + 'base', + 'basefont', + 'blockquote', + 'body', + 'caption', + 'center', + 'col', + 'colgroup', + 'dd', + 'details', + 'dialog', + 'dir', + 'div', + 'dl', + 'dt', + 'fieldset', + 'figcaption', + 'figure', + 'footer', + 'form', + 'frame', + 'frameset', + 'h1', + 'h2', + 'h3', + 'h4', + 'h5', + 'h6', + 'head', + 'header', + 'hgroup', + 'hr', + 'html', + 'iframe', + 'legend', + 'li', + 'link', + 'main', + 'menu', + 'menuitem', + 'meta', + 'nav', + 'noframes', + 'ol', + 'optgroup', + 'option', + 'p', + 'param', + 'pre', + 'section', + 'source', + 'title', + 'summary', + 'table', + 'tbody', + 'td', + 'tfoot', + 'th', + 'thead', + 'title', + 'tr', + 'track', + 'ul' +]; + +var defaults$2 = { + position: true, + gfm: true, + commonmark: false, + footnotes: false, + pedantic: false, + blocks: blockElements +}; + +var setOptions_1 = setOptions; + +function setOptions(options) { + var self = this; + var current = self.options; + var key; + var value; + + if (options == null) { + options = {}; + } else if (typeof options === 'object') { + options = immutable(options); + } else { + throw new Error('Invalid value `' + options + '` for setting `options`') + } + + for (key in defaults$2) { + value = options[key]; + + if (value == null) { + value = current[key]; + } + + if ( + (key !== 'blocks' && typeof value !== 'boolean') || + (key === 'blocks' && typeof value !== 'object') + ) { + throw new Error( + 'Invalid value `' + value + '` for setting `options.' + key + '`' + ) + } + + options[key] = value; + } + + self.options = options; + self.escape = markdownEscapes(options); + + return self +} + +var convert_1 = convert$1; + +function convert$1(test) { + if (typeof test === 'string') { + return typeFactory(test) + } + + if (test === null || test === undefined) { + return ok$1 + } + + if (typeof test === 'object') { + return ('length' in test ? anyFactory : matchesFactory)(test) + } + + if (typeof test === 'function') { + return test + } + + throw new Error('Expected function, string, or object as test') +} + +function convertAll(tests) { + var results = []; + var length = tests.length; + var index = -1; + + while (++index < length) { + results[index] = convert$1(tests[index]); + } + + return results +} + +// Utility assert each property in `test` is represented in `node`, and each +// values are strictly equal. +function matchesFactory(test) { + return matches + + function matches(node) { + var key; + + for (key in test) { + if (node[key] !== test[key]) { + return false + } + } + + return true + } +} + +function anyFactory(tests) { + var checks = convertAll(tests); + var length = checks.length; + + return matches + + function matches() { + var index = -1; + + while (++index < length) { + if (checks[index].apply(this, arguments)) { + return true + } + } + + return false + } +} + +// Utility to convert a string into a function which checks a given node’s type +// for said string. +function typeFactory(test) { + return type + + function type(node) { + return Boolean(node && node.type === test) + } +} + +// Utility to return true. +function ok$1() { + return true +} + +var unistUtilVisitParents = visitParents; + + + +var CONTINUE = true; +var SKIP = 'skip'; +var EXIT = false; + +visitParents.CONTINUE = CONTINUE; +visitParents.SKIP = SKIP; +visitParents.EXIT = EXIT; + +function visitParents(tree, test, visitor, reverse) { + var is; + + if (typeof test === 'function' && typeof visitor !== 'function') { + reverse = visitor; + visitor = test; + test = null; + } + + is = convert_1(test); + + one(tree, null, []); + + // Visit a single node. + function one(node, index, parents) { + var result = []; + var subresult; + + if (!test || is(node, index, parents[parents.length - 1] || null)) { + result = toResult(visitor(node, parents)); + + if (result[0] === EXIT) { + return result + } + } + + if (node.children && result[0] !== SKIP) { + subresult = toResult(all(node.children, parents.concat(node))); + return subresult[0] === EXIT ? subresult : result + } + + return result + } + + // Visit children in `parent`. + function all(children, parents) { + var min = -1; + var step = reverse ? -1 : 1; + var index = (reverse ? children.length : min) + step; + var result; + + while (index > min && index < children.length) { + result = one(children[index], index, parents); + + if (result[0] === EXIT) { + return result + } + + index = typeof result[1] === 'number' ? result[1] : index + step; + } + } +} + +function toResult(value) { + if (value !== null && typeof value === 'object' && 'length' in value) { + return value + } + + if (typeof value === 'number') { + return [CONTINUE, value] + } + + return [value] +} + +var unistUtilVisit = visit; + + + +var CONTINUE$1 = unistUtilVisitParents.CONTINUE; +var SKIP$1 = unistUtilVisitParents.SKIP; +var EXIT$1 = unistUtilVisitParents.EXIT; + +visit.CONTINUE = CONTINUE$1; +visit.SKIP = SKIP$1; +visit.EXIT = EXIT$1; + +function visit(tree, test, visitor, reverse) { + if (typeof test === 'function' && typeof visitor !== 'function') { + reverse = visitor; + visitor = test; + test = null; + } + + unistUtilVisitParents(tree, test, overload, reverse); + + function overload(node, parents) { + var parent = parents[parents.length - 1]; + var index = parent ? parent.children.indexOf(node) : null; + return visitor(node, index, parent) + } +} + +var unistUtilRemovePosition = removePosition; + +function removePosition(node, force) { + unistUtilVisit(node, force ? hard : soft); + return node +} + +function hard(node) { + delete node.position; +} + +function soft(node) { + node.position = undefined; +} + +var parse_1$3 = parse$9; + +var lineFeed$1 = '\n'; +var lineBreaksExpression = /\r\n|\r/g; + +// Parse the bound file. +function parse$9() { + var self = this; + var value = String(self.file); + var start = {line: 1, column: 1, offset: 0}; + var content = immutable(start); + var node; + + // Clean non-unix newlines: `\r\n` and `\r` are all changed to `\n`. + // This should not affect positional information. + value = value.replace(lineBreaksExpression, lineFeed$1); + + // BOM. + if (value.charCodeAt(0) === 0xfeff) { + value = value.slice(1); + + content.column++; + content.offset++; + } + + node = { + type: 'root', + children: self.tokenizeBlock(value, content), + position: {start: start, end: self.eof || immutable(start)} + }; + + if (!self.options.position) { + unistUtilRemovePosition(node, true); + } + + return node +} + +var isWhitespaceCharacter = whitespace; + +var fromCode = String.fromCharCode; +var re$1 = /\s/; + +// Check if the given character code, or the character code at the first +// character, is a whitespace character. +function whitespace(character) { + return re$1.test( + typeof character === 'number' ? fromCode(character) : character.charAt(0) + ) +} + +var newline_1 = newline; + +var lineFeed$2 = '\n'; + +function newline(eat, value, silent) { + var character = value.charAt(0); + var length; + var subvalue; + var queue; + var index; + + if (character !== lineFeed$2) { + return + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + index = 1; + length = value.length; + subvalue = character; + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (!isWhitespaceCharacter(character)) { + break + } + + queue += character; + + if (character === lineFeed$2) { + subvalue += queue; + queue = ''; + } + + index++; + } + + eat(subvalue); +} + +var trimTrailingLines_1 = trimTrailingLines; + +var line$1 = '\n'; + +// Remove final newline characters from `value`. +function trimTrailingLines(value) { + var val = String(value); + var index = val.length; + + while (val.charAt(--index) === line$1) { + // Empty + } + + return val.slice(0, index + 1) +} + +var codeIndented = indentedCode; + +var lineFeed$3 = '\n'; +var tab$1 = '\t'; +var space$1 = ' '; + +var tabSize = 4; +var codeIndent = repeatString(space$1, tabSize); + +function indentedCode(eat, value, silent) { + var index = -1; + var length = value.length; + var subvalue = ''; + var content = ''; + var subvalueQueue = ''; + var contentQueue = ''; + var character; + var blankQueue; + var indent; + + while (++index < length) { + character = value.charAt(index); + + if (indent) { + indent = false; + + subvalue += subvalueQueue; + content += contentQueue; + subvalueQueue = ''; + contentQueue = ''; + + if (character === lineFeed$3) { + subvalueQueue = character; + contentQueue = character; + } else { + subvalue += character; + content += character; + + while (++index < length) { + character = value.charAt(index); + + if (!character || character === lineFeed$3) { + contentQueue = character; + subvalueQueue = character; + break + } + + subvalue += character; + content += character; + } + } + } else if ( + character === space$1 && + value.charAt(index + 1) === character && + value.charAt(index + 2) === character && + value.charAt(index + 3) === character + ) { + subvalueQueue += codeIndent; + index += 3; + indent = true; + } else if (character === tab$1) { + subvalueQueue += character; + indent = true; + } else { + blankQueue = ''; + + while (character === tab$1 || character === space$1) { + blankQueue += character; + character = value.charAt(++index); + } + + if (character !== lineFeed$3) { + break + } + + subvalueQueue += blankQueue + character; + contentQueue += character; + } + } + + if (content) { + if (silent) { + return true + } + + return eat(subvalue)({ + type: 'code', + lang: null, + meta: null, + value: trimTrailingLines_1(content) + }) + } +} + +var codeFenced = fencedCode; + +var lineFeed$4 = '\n'; +var tab$2 = '\t'; +var space$2 = ' '; +var tilde$1 = '~'; +var graveAccent = '`'; + +var minFenceCount = 3; +var tabSize$1 = 4; + +function fencedCode(eat, value, silent) { + var self = this; + var gfm = self.options.gfm; + var length = value.length + 1; + var index = 0; + var subvalue = ''; + var fenceCount; + var marker; + var character; + var flag; + var lang; + var meta; + var queue; + var content; + var exdentedContent; + var closing; + var exdentedClosing; + var indent; + var now; + + if (!gfm) { + return + } + + // Eat initial spacing. + while (index < length) { + character = value.charAt(index); + + if (character !== space$2 && character !== tab$2) { + break + } + + subvalue += character; + index++; + } + + indent = index; + + // Eat the fence. + character = value.charAt(index); + + if (character !== tilde$1 && character !== graveAccent) { + return + } + + index++; + marker = character; + fenceCount = 1; + subvalue += character; + + while (index < length) { + character = value.charAt(index); + + if (character !== marker) { + break + } + + subvalue += character; + fenceCount++; + index++; + } + + if (fenceCount < minFenceCount) { + return + } + + // Eat spacing before flag. + while (index < length) { + character = value.charAt(index); + + if (character !== space$2 && character !== tab$2) { + break + } + + subvalue += character; + index++; + } + + // Eat flag. + flag = ''; + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if ( + character === lineFeed$4 || + (marker === graveAccent && character === marker) + ) { + break + } + + if (character === space$2 || character === tab$2) { + queue += character; + } else { + flag += queue + character; + queue = ''; + } + + index++; + } + + character = value.charAt(index); + + if (character && character !== lineFeed$4) { + return + } + + if (silent) { + return true + } + + now = eat.now(); + now.column += subvalue.length; + now.offset += subvalue.length; + + subvalue += flag; + flag = self.decode.raw(self.unescape(flag), now); + + if (queue) { + subvalue += queue; + } + + queue = ''; + closing = ''; + exdentedClosing = ''; + content = ''; + exdentedContent = ''; + var skip = true; + + // Eat content. + while (index < length) { + character = value.charAt(index); + content += closing; + exdentedContent += exdentedClosing; + closing = ''; + exdentedClosing = ''; + + if (character !== lineFeed$4) { + content += character; + exdentedClosing += character; + index++; + continue + } + + // The first line feed is ignored. Others aren’t. + if (skip) { + subvalue += character; + skip = false; + } else { + closing += character; + exdentedClosing += character; + } + + queue = ''; + index++; + + while (index < length) { + character = value.charAt(index); + + if (character !== space$2) { + break + } + + queue += character; + index++; + } + + closing += queue; + exdentedClosing += queue.slice(indent); + + if (queue.length >= tabSize$1) { + continue + } + + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character !== marker) { + break + } + + queue += character; + index++; + } + + closing += queue; + exdentedClosing += queue; + + if (queue.length < fenceCount) { + continue + } + + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character !== space$2 && character !== tab$2) { + break + } + + closing += character; + exdentedClosing += character; + index++; + } + + if (!character || character === lineFeed$4) { + break + } + } + + subvalue += content + closing; + + // Get lang and meta from the flag. + index = -1; + length = flag.length; + + while (++index < length) { + character = flag.charAt(index); + + if (character === space$2 || character === tab$2) { + if (!lang) { + lang = flag.slice(0, index); + } + } else if (lang) { + meta = flag.slice(index); + break + } + } + + return eat(subvalue)({ + type: 'code', + lang: lang || flag || null, + meta: meta || null, + value: exdentedContent + }) +} + +var trim_1 = createCommonjsModule(function (module, exports) { +exports = module.exports = trim; + +function trim(str){ + return str.replace(/^\s*|\s*$/g, ''); +} + +exports.left = function(str){ + return str.replace(/^\s*/, ''); +}; + +exports.right = function(str){ + return str.replace(/\s*$/, ''); +}; +}); +var trim_2 = trim_1.left; +var trim_3 = trim_1.right; + +var interrupt_1 = interrupt; + +function interrupt(interruptors, tokenizers, ctx, params) { + var length = interruptors.length; + var index = -1; + var interruptor; + var config; + + while (++index < length) { + interruptor = interruptors[index]; + config = interruptor[1] || {}; + + if ( + config.pedantic !== undefined && + config.pedantic !== ctx.options.pedantic + ) { + continue + } + + if ( + config.commonmark !== undefined && + config.commonmark !== ctx.options.commonmark + ) { + continue + } + + if (tokenizers[interruptor[0]].apply(ctx, params)) { + return true + } + } + + return false +} + +var blockquote_1 = blockquote; + +var lineFeed$5 = '\n'; +var tab$3 = '\t'; +var space$3 = ' '; +var greaterThan = '>'; + +function blockquote(eat, value, silent) { + var self = this; + var offsets = self.offset; + var tokenizers = self.blockTokenizers; + var interruptors = self.interruptBlockquote; + var now = eat.now(); + var currentLine = now.line; + var length = value.length; + var values = []; + var contents = []; + var indents = []; + var add; + var index = 0; + var character; + var rest; + var nextIndex; + var content; + var line; + var startIndex; + var prefixed; + var exit; + + while (index < length) { + character = value.charAt(index); + + if (character !== space$3 && character !== tab$3) { + break + } + + index++; + } + + if (value.charAt(index) !== greaterThan) { + return + } + + if (silent) { + return true + } + + index = 0; + + while (index < length) { + nextIndex = value.indexOf(lineFeed$5, index); + startIndex = index; + prefixed = false; + + if (nextIndex === -1) { + nextIndex = length; + } + + while (index < length) { + character = value.charAt(index); + + if (character !== space$3 && character !== tab$3) { + break + } + + index++; + } + + if (value.charAt(index) === greaterThan) { + index++; + prefixed = true; + + if (value.charAt(index) === space$3) { + index++; + } + } else { + index = startIndex; + } + + content = value.slice(index, nextIndex); + + if (!prefixed && !trim_1(content)) { + index = startIndex; + break + } + + if (!prefixed) { + rest = value.slice(index); + + // Check if the following code contains a possible block. + if (interrupt_1(interruptors, tokenizers, self, [eat, rest, true])) { + break + } + } + + line = startIndex === index ? content : value.slice(startIndex, nextIndex); + + indents.push(index - startIndex); + values.push(line); + contents.push(content); + + index = nextIndex + 1; + } + + index = -1; + length = indents.length; + add = eat(values.join(lineFeed$5)); + + while (++index < length) { + offsets[currentLine] = (offsets[currentLine] || 0) + indents[index]; + currentLine++; + } + + exit = self.enterBlock(); + contents = self.tokenizeBlock(contents.join(lineFeed$5), now); + exit(); + + return add({type: 'blockquote', children: contents}) +} + +var headingAtx = atxHeading; + +var lineFeed$6 = '\n'; +var tab$4 = '\t'; +var space$4 = ' '; +var numberSign$1 = '#'; + +var maxFenceCount = 6; + +function atxHeading(eat, value, silent) { + var self = this; + var pedantic = self.options.pedantic; + var length = value.length + 1; + var index = -1; + var now = eat.now(); + var subvalue = ''; + var content = ''; + var character; + var queue; + var depth; + + // Eat initial spacing. + while (++index < length) { + character = value.charAt(index); + + if (character !== space$4 && character !== tab$4) { + index--; + break + } + + subvalue += character; + } + + // Eat hashes. + depth = 0; + + while (++index <= length) { + character = value.charAt(index); + + if (character !== numberSign$1) { + index--; + break + } + + subvalue += character; + depth++; + } + + if (depth > maxFenceCount) { + return + } + + if (!depth || (!pedantic && value.charAt(index + 1) === numberSign$1)) { + return + } + + length = value.length + 1; + + // Eat intermediate white-space. + queue = ''; + + while (++index < length) { + character = value.charAt(index); + + if (character !== space$4 && character !== tab$4) { + index--; + break + } + + queue += character; + } + + // Exit when not in pedantic mode without spacing. + if (!pedantic && queue.length === 0 && character && character !== lineFeed$6) { + return + } + + if (silent) { + return true + } + + // Eat content. + subvalue += queue; + queue = ''; + content = ''; + + while (++index < length) { + character = value.charAt(index); + + if (!character || character === lineFeed$6) { + break + } + + if (character !== space$4 && character !== tab$4 && character !== numberSign$1) { + content += queue + character; + queue = ''; + continue + } + + while (character === space$4 || character === tab$4) { + queue += character; + character = value.charAt(++index); + } + + // `#` without a queue is part of the content. + if (!pedantic && content && !queue && character === numberSign$1) { + content += character; + continue + } + + while (character === numberSign$1) { + queue += character; + character = value.charAt(++index); + } + + while (character === space$4 || character === tab$4) { + queue += character; + character = value.charAt(++index); + } + + index--; + } + + now.column += subvalue.length; + now.offset += subvalue.length; + subvalue += content + queue; + + return eat(subvalue)({ + type: 'heading', + depth: depth, + children: self.tokenizeInline(content, now) + }) +} + +var thematicBreak_1 = thematicBreak; + +var tab$5 = '\t'; +var lineFeed$7 = '\n'; +var space$5 = ' '; +var asterisk = '*'; +var dash$1 = '-'; +var underscore = '_'; + +var maxCount = 3; + +function thematicBreak(eat, value, silent) { + var index = -1; + var length = value.length + 1; + var subvalue = ''; + var character; + var marker; + var markerCount; + var queue; + + while (++index < length) { + character = value.charAt(index); + + if (character !== tab$5 && character !== space$5) { + break + } + + subvalue += character; + } + + if ( + character !== asterisk && + character !== dash$1 && + character !== underscore + ) { + return + } + + marker = character; + subvalue += character; + markerCount = 1; + queue = ''; + + while (++index < length) { + character = value.charAt(index); + + if (character === marker) { + markerCount++; + subvalue += queue + marker; + queue = ''; + } else if (character === space$5) { + queue += character; + } else if ( + markerCount >= maxCount && + (!character || character === lineFeed$7) + ) { + subvalue += queue; + + if (silent) { + return true + } + + return eat(subvalue)({type: 'thematicBreak'}) + } else { + return + } + } +} + +var getIndentation = indentation; + +var tab$6 = '\t'; +var space$6 = ' '; + +var spaceSize = 1; +var tabSize$2 = 4; + +// Gets indentation information for a line. +function indentation(value) { + var index = 0; + var indent = 0; + var character = value.charAt(index); + var stops = {}; + var size; + + while (character === tab$6 || character === space$6) { + size = character === tab$6 ? tabSize$2 : spaceSize; + + indent += size; + + if (size > 1) { + indent = Math.floor(indent / size) * size; + } + + stops[indent] = index; + character = value.charAt(++index); + } + + return {indent: indent, stops: stops} +} + +var removeIndentation = indentation$1; + +var tab$7 = '\t'; +var lineFeed$8 = '\n'; +var space$7 = ' '; +var exclamationMark = '!'; + +// Remove the minimum indent from every line in `value`. Supports both tab, +// spaced, and mixed indentation (as well as possible). +function indentation$1(value, maximum) { + var values = value.split(lineFeed$8); + var position = values.length + 1; + var minIndent = Infinity; + var matrix = []; + var index; + var indentation; + var stops; + var padding; + + values.unshift(repeatString(space$7, maximum) + exclamationMark); + + while (position--) { + indentation = getIndentation(values[position]); + + matrix[position] = indentation.stops; + + if (trim_1(values[position]).length === 0) { + continue + } + + if (indentation.indent) { + if (indentation.indent > 0 && indentation.indent < minIndent) { + minIndent = indentation.indent; + } + } else { + minIndent = Infinity; + + break + } + } + + if (minIndent !== Infinity) { + position = values.length; + + while (position--) { + stops = matrix[position]; + index = minIndent; + + while (index && !(index in stops)) { + index--; + } + + if ( + trim_1(values[position]).length !== 0 && + minIndent && + index !== minIndent + ) { + padding = tab$7; + } else { + padding = ''; + } + + values[position] = + padding + values[position].slice(index in stops ? stops[index] + 1 : 0); + } + } + + values.shift(); + + return values.join(lineFeed$8) +} + +var list_1 = list; + +var asterisk$1 = '*'; +var underscore$1 = '_'; +var plusSign = '+'; +var dash$2 = '-'; +var dot$1 = '.'; +var space$8 = ' '; +var lineFeed$9 = '\n'; +var tab$8 = '\t'; +var rightParenthesis = ')'; +var lowercaseX$1 = 'x'; + +var tabSize$3 = 4; +var looseListItemExpression = /\n\n(?!\s*$)/; +var taskItemExpression = /^\[([ \t]|x|X)][ \t]/; +var bulletExpression = /^([ \t]*)([*+-]|\d+[.)])( {1,4}(?! )| |\t|$|(?=\n))([^\n]*)/; +var pedanticBulletExpression = /^([ \t]*)([*+-]|\d+[.)])([ \t]+)/; +var initialIndentExpression = /^( {1,4}|\t)?/gm; + +function list(eat, value, silent) { + var self = this; + var commonmark = self.options.commonmark; + var pedantic = self.options.pedantic; + var tokenizers = self.blockTokenizers; + var interuptors = self.interruptList; + var index = 0; + var length = value.length; + var start = null; + var size = 0; + var queue; + var ordered; + var character; + var marker; + var nextIndex; + var startIndex; + var prefixed; + var currentMarker; + var content; + var line; + var prevEmpty; + var empty; + var items; + var allLines; + var emptyLines; + var item; + var enterTop; + var exitBlockquote; + var spread = false; + var node; + var now; + var end; + var indented; + + while (index < length) { + character = value.charAt(index); + + if (character === tab$8) { + size += tabSize$3 - (size % tabSize$3); + } else if (character === space$8) { + size++; + } else { + break + } + + index++; + } + + if (size >= tabSize$3) { + return + } + + character = value.charAt(index); + + if (character === asterisk$1 || character === plusSign || character === dash$2) { + marker = character; + ordered = false; + } else { + ordered = true; + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (!isDecimal(character)) { + break + } + + queue += character; + index++; + } + + character = value.charAt(index); + + if ( + !queue || + !(character === dot$1 || (commonmark && character === rightParenthesis)) + ) { + return + } + + start = parseInt(queue, 10); + marker = character; + } + + character = value.charAt(++index); + + if ( + character !== space$8 && + character !== tab$8 && + (pedantic || (character !== lineFeed$9 && character !== '')) + ) { + return + } + + if (silent) { + return true + } + + index = 0; + items = []; + allLines = []; + emptyLines = []; + + while (index < length) { + nextIndex = value.indexOf(lineFeed$9, index); + startIndex = index; + prefixed = false; + indented = false; + + if (nextIndex === -1) { + nextIndex = length; + } + + end = index + tabSize$3; + size = 0; + + while (index < length) { + character = value.charAt(index); + + if (character === tab$8) { + size += tabSize$3 - (size % tabSize$3); + } else if (character === space$8) { + size++; + } else { + break + } + + index++; + } + + if (size >= tabSize$3) { + indented = true; + } + + if (item && size >= item.indent) { + indented = true; + } + + character = value.charAt(index); + currentMarker = null; + + if (!indented) { + if ( + character === asterisk$1 || + character === plusSign || + character === dash$2 + ) { + currentMarker = character; + index++; + size++; + } else { + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (!isDecimal(character)) { + break + } + + queue += character; + index++; + } + + character = value.charAt(index); + index++; + + if ( + queue && + (character === dot$1 || (commonmark && character === rightParenthesis)) + ) { + currentMarker = character; + size += queue.length + 1; + } + } + + if (currentMarker) { + character = value.charAt(index); + + if (character === tab$8) { + size += tabSize$3 - (size % tabSize$3); + index++; + } else if (character === space$8) { + end = index + tabSize$3; + + while (index < end) { + if (value.charAt(index) !== space$8) { + break + } + + index++; + size++; + } + + if (index === end && value.charAt(index) === space$8) { + index -= tabSize$3 - 1; + size -= tabSize$3 - 1; + } + } else if (character !== lineFeed$9 && character !== '') { + currentMarker = null; + } + } + } + + if (currentMarker) { + if (!pedantic && marker !== currentMarker) { + break + } + + prefixed = true; + } else { + if (!commonmark && !indented && value.charAt(startIndex) === space$8) { + indented = true; + } else if (commonmark && item) { + indented = size >= item.indent || size > tabSize$3; + } + + prefixed = false; + index = startIndex; + } + + line = value.slice(startIndex, nextIndex); + content = startIndex === index ? line : value.slice(index, nextIndex); + + if ( + currentMarker === asterisk$1 || + currentMarker === underscore$1 || + currentMarker === dash$2 + ) { + if (tokenizers.thematicBreak.call(self, eat, line, true)) { + break + } + } + + prevEmpty = empty; + empty = !prefixed && !trim_1(content).length; + + if (indented && item) { + item.value = item.value.concat(emptyLines, line); + allLines = allLines.concat(emptyLines, line); + emptyLines = []; + } else if (prefixed) { + if (emptyLines.length !== 0) { + spread = true; + item.value.push(''); + item.trail = emptyLines.concat(); + } + + item = { + value: [line], + indent: size, + trail: [] + }; + + items.push(item); + allLines = allLines.concat(emptyLines, line); + emptyLines = []; + } else if (empty) { + if (prevEmpty && !commonmark) { + break + } + + emptyLines.push(line); + } else { + if (prevEmpty) { + break + } + + if (interrupt_1(interuptors, tokenizers, self, [eat, line, true])) { + break + } + + item.value = item.value.concat(emptyLines, line); + allLines = allLines.concat(emptyLines, line); + emptyLines = []; + } + + index = nextIndex + 1; + } + + node = eat(allLines.join(lineFeed$9)).reset({ + type: 'list', + ordered: ordered, + start: start, + spread: spread, + children: [] + }); + + enterTop = self.enterList(); + exitBlockquote = self.enterBlock(); + index = -1; + length = items.length; + + while (++index < length) { + item = items[index].value.join(lineFeed$9); + now = eat.now(); + + eat(item)(listItem(self, item, now), node); + + item = items[index].trail.join(lineFeed$9); + + if (index !== length - 1) { + item += lineFeed$9; + } + + eat(item); + } + + enterTop(); + exitBlockquote(); + + return node +} + +function listItem(ctx, value, position) { + var offsets = ctx.offset; + var fn = ctx.options.pedantic ? pedanticListItem : normalListItem; + var checked = null; + var task; + var indent; + + value = fn.apply(null, arguments); + + if (ctx.options.gfm) { + task = value.match(taskItemExpression); + + if (task) { + indent = task[0].length; + checked = task[1].toLowerCase() === lowercaseX$1; + offsets[position.line] += indent; + value = value.slice(indent); + } + } + + return { + type: 'listItem', + spread: looseListItemExpression.test(value), + checked: checked, + children: ctx.tokenizeBlock(value, position) + } +} + +// Create a list-item using overly simple mechanics. +function pedanticListItem(ctx, value, position) { + var offsets = ctx.offset; + var line = position.line; + + // Remove the list-item’s bullet. + value = value.replace(pedanticBulletExpression, replacer); + + // The initial line was also matched by the below, so we reset the `line`. + line = position.line; + + return value.replace(initialIndentExpression, replacer) + + // A simple replacer which removed all matches, and adds their length to + // `offset`. + function replacer($0) { + offsets[line] = (offsets[line] || 0) + $0.length; + line++; + + return '' + } +} + +// Create a list-item using sane mechanics. +function normalListItem(ctx, value, position) { + var offsets = ctx.offset; + var line = position.line; + var max; + var bullet; + var rest; + var lines; + var trimmedLines; + var index; + var length; + + // Remove the list-item’s bullet. + value = value.replace(bulletExpression, replacer); + + lines = value.split(lineFeed$9); + + trimmedLines = removeIndentation(value, getIndentation(max).indent).split(lineFeed$9); + + // We replaced the initial bullet with something else above, which was used + // to trick `removeIndentation` into removing some more characters when + // possible. However, that could result in the initial line to be stripped + // more than it should be. + trimmedLines[0] = rest; + + offsets[line] = (offsets[line] || 0) + bullet.length; + line++; + + index = 0; + length = lines.length; + + while (++index < length) { + offsets[line] = + (offsets[line] || 0) + lines[index].length - trimmedLines[index].length; + line++; + } + + return trimmedLines.join(lineFeed$9) + + /* eslint-disable-next-line max-params */ + function replacer($0, $1, $2, $3, $4) { + bullet = $1 + $2 + $3; + rest = $4; + + // Make sure that the first nine numbered list items can indent with an + // extra space. That is, when the bullet did not receive an extra final + // space. + if (Number($2) < 10 && bullet.length % 2 === 1) { + $2 = space$8 + $2; + } + + max = $1 + repeatString(space$8, $2.length) + $3; + + return max + rest + } +} + +var headingSetext = setextHeading; + +var lineFeed$a = '\n'; +var tab$9 = '\t'; +var space$9 = ' '; +var equalsTo$1 = '='; +var dash$3 = '-'; + +var maxIndent = 3; + +var equalsToDepth = 1; +var dashDepth = 2; + +function setextHeading(eat, value, silent) { + var self = this; + var now = eat.now(); + var length = value.length; + var index = -1; + var subvalue = ''; + var content; + var queue; + var character; + var marker; + var depth; + + // Eat initial indentation. + while (++index < length) { + character = value.charAt(index); + + if (character !== space$9 || index >= maxIndent) { + index--; + break + } + + subvalue += character; + } + + // Eat content. + content = ''; + queue = ''; + + while (++index < length) { + character = value.charAt(index); + + if (character === lineFeed$a) { + index--; + break + } + + if (character === space$9 || character === tab$9) { + queue += character; + } else { + content += queue + character; + queue = ''; + } + } + + now.column += subvalue.length; + now.offset += subvalue.length; + subvalue += content + queue; + + // Ensure the content is followed by a newline and a valid marker. + character = value.charAt(++index); + marker = value.charAt(++index); + + if (character !== lineFeed$a || (marker !== equalsTo$1 && marker !== dash$3)) { + return + } + + subvalue += character; + + // Eat Setext-line. + queue = marker; + depth = marker === equalsTo$1 ? equalsToDepth : dashDepth; + + while (++index < length) { + character = value.charAt(index); + + if (character !== marker) { + if (character !== lineFeed$a) { + return + } + + index--; + break + } + + queue += character; + } + + if (silent) { + return true + } + + return eat(subvalue + queue)({ + type: 'heading', + depth: depth, + children: self.tokenizeInline(content, now) + }) +} + +var attributeName = '[a-zA-Z_:][a-zA-Z0-9:._-]*'; +var unquoted = '[^"\'=<>`\\u0000-\\u0020]+'; +var singleQuoted = "'[^']*'"; +var doubleQuoted = '"[^"]*"'; +var attributeValue = + '(?:' + unquoted + '|' + singleQuoted + '|' + doubleQuoted + ')'; +var attribute = + '(?:\\s+' + attributeName + '(?:\\s*=\\s*' + attributeValue + ')?)'; +var openTag = '<[A-Za-z][A-Za-z0-9\\-]*' + attribute + '*\\s*\\/?>'; +var closeTag = '<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>'; +var comment = '|'; +var processing = '<[?].*?[?]>'; +var declaration = ']*>'; +var cdata = ''; + +var openCloseTag = new RegExp('^(?:' + openTag + '|' + closeTag + ')'); + +var tag = new RegExp( + '^(?:' + + openTag + + '|' + + closeTag + + '|' + + comment + + '|' + + processing + + '|' + + declaration + + '|' + + cdata + + ')' +); + +var html = { + openCloseTag: openCloseTag, + tag: tag +}; + +var openCloseTag$1 = html.openCloseTag; + +var htmlBlock = blockHtml; + +var tab$a = '\t'; +var space$a = ' '; +var lineFeed$b = '\n'; +var lessThan$1 = '<'; + +var rawOpenExpression = /^<(script|pre|style)(?=(\s|>|$))/i; +var rawCloseExpression = /<\/(script|pre|style)>/i; +var commentOpenExpression = /^/; +var instructionOpenExpression = /^<\?/; +var instructionCloseExpression = /\?>/; +var directiveOpenExpression = /^/; +var cdataOpenExpression = /^/; +var elementCloseExpression = /^$/; +var otherElementOpenExpression = new RegExp(openCloseTag$1.source + '\\s*$'); + +function blockHtml(eat, value, silent) { + var self = this; + var blocks = self.options.blocks.join('|'); + var elementOpenExpression = new RegExp( + '^|$))', + 'i' + ); + var length = value.length; + var index = 0; + var next; + var line; + var offset; + var character; + var count; + var sequence; + var subvalue; + + var sequences = [ + [rawOpenExpression, rawCloseExpression, true], + [commentOpenExpression, commentCloseExpression, true], + [instructionOpenExpression, instructionCloseExpression, true], + [directiveOpenExpression, directiveCloseExpression, true], + [cdataOpenExpression, cdataCloseExpression, true], + [elementOpenExpression, elementCloseExpression, true], + [otherElementOpenExpression, elementCloseExpression, false] + ]; + + // Eat initial spacing. + while (index < length) { + character = value.charAt(index); + + if (character !== tab$a && character !== space$a) { + break + } + + index++; + } + + if (value.charAt(index) !== lessThan$1) { + return + } + + next = value.indexOf(lineFeed$b, index + 1); + next = next === -1 ? length : next; + line = value.slice(index, next); + offset = -1; + count = sequences.length; + + while (++offset < count) { + if (sequences[offset][0].test(line)) { + sequence = sequences[offset]; + break + } + } + + if (!sequence) { + return + } + + if (silent) { + return sequence[2] + } + + index = next; + + if (!sequence[1].test(line)) { + while (index < length) { + next = value.indexOf(lineFeed$b, index + 1); + next = next === -1 ? length : next; + line = value.slice(index + 1, next); + + if (sequence[1].test(line)) { + if (line) { + index = next; + } + + break + } + + index = next; + } + } + + subvalue = value.slice(0, index); + + return eat(subvalue)({type: 'html', value: subvalue}) +} + +var collapseWhiteSpace = collapse; + +// `collapse(' \t\nbar \nbaz\t') // ' bar baz '` +function collapse(value) { + return String(value).replace(/\s+/g, ' ') +} + +var normalize_1 = normalize$2; + +// Normalize an identifier. Collapses multiple white space characters into a +// single space, and removes casing. +function normalize$2(value) { + return collapseWhiteSpace(value).toLowerCase() +} + +var footnoteDefinition_1 = footnoteDefinition; +footnoteDefinition.notInList = true; +footnoteDefinition.notInBlock = true; + +var backslash$2 = '\\'; +var lineFeed$c = '\n'; +var tab$b = '\t'; +var space$b = ' '; +var leftSquareBracket = '['; +var rightSquareBracket = ']'; +var caret$1 = '^'; +var colon$1 = ':'; + +var EXPRESSION_INITIAL_TAB = /^( {4}|\t)?/gm; + +function footnoteDefinition(eat, value, silent) { + var self = this; + var offsets = self.offset; + var index; + var length; + var subvalue; + var now; + var currentLine; + var content; + var queue; + var subqueue; + var character; + var identifier; + var add; + var exit; + + if (!self.options.footnotes) { + return + } + + index = 0; + length = value.length; + subvalue = ''; + now = eat.now(); + currentLine = now.line; + + while (index < length) { + character = value.charAt(index); + + if (!isWhitespaceCharacter(character)) { + break + } + + subvalue += character; + index++; + } + + if ( + value.charAt(index) !== leftSquareBracket || + value.charAt(index + 1) !== caret$1 + ) { + return + } + + subvalue += leftSquareBracket + caret$1; + index = subvalue.length; + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character === rightSquareBracket) { + break + } else if (character === backslash$2) { + queue += character; + index++; + character = value.charAt(index); + } + + queue += character; + index++; + } + + if ( + !queue || + value.charAt(index) !== rightSquareBracket || + value.charAt(index + 1) !== colon$1 + ) { + return + } + + if (silent) { + return true + } + + identifier = queue; + subvalue += queue + rightSquareBracket + colon$1; + index = subvalue.length; + + while (index < length) { + character = value.charAt(index); + + if (character !== tab$b && character !== space$b) { + break + } + + subvalue += character; + index++; + } + + now.column += subvalue.length; + now.offset += subvalue.length; + queue = ''; + content = ''; + subqueue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character === lineFeed$c) { + subqueue = character; + index++; + + while (index < length) { + character = value.charAt(index); + + if (character !== lineFeed$c) { + break + } + + subqueue += character; + index++; + } + + queue += subqueue; + subqueue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character !== space$b) { + break + } + + subqueue += character; + index++; + } + + if (subqueue.length === 0) { + break + } + + queue += subqueue; + } + + if (queue) { + content += queue; + queue = ''; + } + + content += character; + index++; + } + + subvalue += content; + + content = content.replace(EXPRESSION_INITIAL_TAB, function(line) { + offsets[currentLine] = (offsets[currentLine] || 0) + line.length; + currentLine++; + + return '' + }); + + add = eat(subvalue); + + exit = self.enterBlock(); + content = self.tokenizeBlock(content, now); + exit(); + + return add({ + type: 'footnoteDefinition', + identifier: normalize_1(identifier), + label: identifier, + children: content + }) +} + +var definition_1 = definition; + +var quotationMark = '"'; +var apostrophe = "'"; +var backslash$3 = '\\'; +var lineFeed$d = '\n'; +var tab$c = '\t'; +var space$c = ' '; +var leftSquareBracket$1 = '['; +var rightSquareBracket$1 = ']'; +var leftParenthesis = '('; +var rightParenthesis$1 = ')'; +var colon$2 = ':'; +var lessThan$2 = '<'; +var greaterThan$1 = '>'; + +function definition(eat, value, silent) { + var self = this; + var commonmark = self.options.commonmark; + var index = 0; + var length = value.length; + var subvalue = ''; + var beforeURL; + var beforeTitle; + var queue; + var character; + var test; + var identifier; + var url; + var title; + + while (index < length) { + character = value.charAt(index); + + if (character !== space$c && character !== tab$c) { + break + } + + subvalue += character; + index++; + } + + character = value.charAt(index); + + if (character !== leftSquareBracket$1) { + return + } + + index++; + subvalue += character; + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character === rightSquareBracket$1) { + break + } else if (character === backslash$3) { + queue += character; + index++; + character = value.charAt(index); + } + + queue += character; + index++; + } + + if ( + !queue || + value.charAt(index) !== rightSquareBracket$1 || + value.charAt(index + 1) !== colon$2 + ) { + return + } + + identifier = queue; + subvalue += queue + rightSquareBracket$1 + colon$2; + index = subvalue.length; + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character !== tab$c && character !== space$c && character !== lineFeed$d) { + break + } + + subvalue += character; + index++; + } + + character = value.charAt(index); + queue = ''; + beforeURL = subvalue; + + if (character === lessThan$2) { + index++; + + while (index < length) { + character = value.charAt(index); + + if (!isEnclosedURLCharacter(character)) { + break + } + + queue += character; + index++; + } + + character = value.charAt(index); + + if (character === isEnclosedURLCharacter.delimiter) { + subvalue += lessThan$2 + queue + character; + index++; + } else { + if (commonmark) { + return + } + + index -= queue.length + 1; + queue = ''; + } + } + + if (!queue) { + while (index < length) { + character = value.charAt(index); + + if (!isUnclosedURLCharacter(character)) { + break + } + + queue += character; + index++; + } + + subvalue += queue; + } + + if (!queue) { + return + } + + url = queue; + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character !== tab$c && character !== space$c && character !== lineFeed$d) { + break + } + + queue += character; + index++; + } + + character = value.charAt(index); + test = null; + + if (character === quotationMark) { + test = quotationMark; + } else if (character === apostrophe) { + test = apostrophe; + } else if (character === leftParenthesis) { + test = rightParenthesis$1; + } + + if (!test) { + queue = ''; + index = subvalue.length; + } else if (queue) { + subvalue += queue + character; + index = subvalue.length; + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character === test) { + break + } + + if (character === lineFeed$d) { + index++; + character = value.charAt(index); + + if (character === lineFeed$d || character === test) { + return + } + + queue += lineFeed$d; + } + + queue += character; + index++; + } + + character = value.charAt(index); + + if (character !== test) { + return + } + + beforeTitle = subvalue; + subvalue += queue + character; + index++; + title = queue; + queue = ''; + } else { + return + } + + while (index < length) { + character = value.charAt(index); + + if (character !== tab$c && character !== space$c) { + break + } + + subvalue += character; + index++; + } + + character = value.charAt(index); + + if (!character || character === lineFeed$d) { + if (silent) { + return true + } + + beforeURL = eat(beforeURL).test().end; + url = self.decode.raw(self.unescape(url), beforeURL, {nonTerminated: false}); + + if (title) { + beforeTitle = eat(beforeTitle).test().end; + title = self.decode.raw(self.unescape(title), beforeTitle); + } + + return eat(subvalue)({ + type: 'definition', + identifier: normalize_1(identifier), + label: identifier, + title: title || null, + url: url + }) + } +} + +// Check if `character` can be inside an enclosed URI. +function isEnclosedURLCharacter(character) { + return ( + character !== greaterThan$1 && + character !== leftSquareBracket$1 && + character !== rightSquareBracket$1 + ) +} + +isEnclosedURLCharacter.delimiter = greaterThan$1; + +// Check if `character` can be inside an unclosed URI. +function isUnclosedURLCharacter(character) { + return ( + character !== leftSquareBracket$1 && + character !== rightSquareBracket$1 && + !isWhitespaceCharacter(character) + ) +} + +var table_1 = table; + +var tab$d = '\t'; +var lineFeed$e = '\n'; +var space$d = ' '; +var dash$4 = '-'; +var colon$3 = ':'; +var backslash$4 = '\\'; +var verticalBar = '|'; + +var minColumns = 1; +var minRows = 2; + +var left = 'left'; +var center = 'center'; +var right = 'right'; + +function table(eat, value, silent) { + var self = this; + var index; + var alignments; + var alignment; + var subvalue; + var row; + var length; + var lines; + var queue; + var character; + var hasDash; + var align; + var cell; + var preamble; + var now; + var position; + var lineCount; + var line; + var rows; + var table; + var lineIndex; + var pipeIndex; + var first; + + // Exit when not in gfm-mode. + if (!self.options.gfm) { + return + } + + // Get the rows. + // Detecting tables soon is hard, so there are some checks for performance + // here, such as the minimum number of rows, and allowed characters in the + // alignment row. + index = 0; + lineCount = 0; + length = value.length + 1; + lines = []; + + while (index < length) { + lineIndex = value.indexOf(lineFeed$e, index); + pipeIndex = value.indexOf(verticalBar, index + 1); + + if (lineIndex === -1) { + lineIndex = value.length; + } + + if (pipeIndex === -1 || pipeIndex > lineIndex) { + if (lineCount < minRows) { + return + } + + break + } + + lines.push(value.slice(index, lineIndex)); + lineCount++; + index = lineIndex + 1; + } + + // Parse the alignment row. + subvalue = lines.join(lineFeed$e); + alignments = lines.splice(1, 1)[0] || []; + index = 0; + length = alignments.length; + lineCount--; + alignment = false; + align = []; + + while (index < length) { + character = alignments.charAt(index); + + if (character === verticalBar) { + hasDash = null; + + if (alignment === false) { + if (first === false) { + return + } + } else { + align.push(alignment); + alignment = false; + } + + first = false; + } else if (character === dash$4) { + hasDash = true; + alignment = alignment || null; + } else if (character === colon$3) { + if (alignment === left) { + alignment = center; + } else if (hasDash && alignment === null) { + alignment = right; + } else { + alignment = left; + } + } else if (!isWhitespaceCharacter(character)) { + return + } + + index++; + } + + if (alignment !== false) { + align.push(alignment); + } + + // Exit when without enough columns. + if (align.length < minColumns) { + return + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + // Parse the rows. + position = -1; + rows = []; + + table = eat(subvalue).reset({type: 'table', align: align, children: rows}); + + while (++position < lineCount) { + line = lines[position]; + row = {type: 'tableRow', children: []}; + + // Eat a newline character when this is not the first row. + if (position) { + eat(lineFeed$e); + } + + // Eat the row. + eat(line).reset(row, table); + + length = line.length + 1; + index = 0; + queue = ''; + cell = ''; + preamble = true; + + while (index < length) { + character = line.charAt(index); + + if (character === tab$d || character === space$d) { + if (cell) { + queue += character; + } else { + eat(character); + } + + index++; + continue + } + + if (character === '' || character === verticalBar) { + if (preamble) { + eat(character); + } else { + if ((cell || character) && !preamble) { + subvalue = cell; + + if (queue.length > 1) { + if (character) { + subvalue += queue.slice(0, queue.length - 1); + queue = queue.charAt(queue.length - 1); + } else { + subvalue += queue; + queue = ''; + } + } + + now = eat.now(); + + eat(subvalue)( + {type: 'tableCell', children: self.tokenizeInline(cell, now)}, + row + ); + } + + eat(queue + character); + + queue = ''; + cell = ''; + } + } else { + if (queue) { + cell += queue; + queue = ''; + } + + cell += character; + + if (character === backslash$4 && index !== length - 2) { + cell += line.charAt(index + 1); + index++; + } + } + + preamble = false; + index++; + } + + // Eat the alignment row. + if (!position) { + eat(lineFeed$e + alignments); + } + } + + return table +} + +var paragraph_1 = paragraph; + +var tab$e = '\t'; +var lineFeed$f = '\n'; +var space$e = ' '; + +var tabSize$4 = 4; + +// Tokenise paragraph. +function paragraph(eat, value, silent) { + var self = this; + var settings = self.options; + var commonmark = settings.commonmark; + var gfm = settings.gfm; + var tokenizers = self.blockTokenizers; + var interruptors = self.interruptParagraph; + var index = value.indexOf(lineFeed$f); + var length = value.length; + var position; + var subvalue; + var character; + var size; + var now; + + while (index < length) { + // Eat everything if there’s no following newline. + if (index === -1) { + index = length; + break + } + + // Stop if the next character is NEWLINE. + if (value.charAt(index + 1) === lineFeed$f) { + break + } + + // In commonmark-mode, following indented lines are part of the paragraph. + if (commonmark) { + size = 0; + position = index + 1; + + while (position < length) { + character = value.charAt(position); + + if (character === tab$e) { + size = tabSize$4; + break + } else if (character === space$e) { + size++; + } else { + break + } + + position++; + } + + if (size >= tabSize$4 && character !== lineFeed$f) { + index = value.indexOf(lineFeed$f, index + 1); + continue + } + } + + subvalue = value.slice(index + 1); + + // Check if the following code contains a possible block. + if (interrupt_1(interruptors, tokenizers, self, [eat, subvalue, true])) { + break + } + + // Break if the following line starts a list, when already in a list, or + // when in commonmark, or when in gfm mode and the bullet is *not* numeric. + if ( + tokenizers.list.call(self, eat, subvalue, true) && + (self.inList || + commonmark || + (gfm && !isDecimal(trim_1.left(subvalue).charAt(0)))) + ) { + break + } + + position = index; + index = value.indexOf(lineFeed$f, index + 1); + + if (index !== -1 && trim_1(value.slice(position, index)) === '') { + index = position; + break + } + } + + subvalue = value.slice(0, index); + + if (trim_1(subvalue) === '') { + eat(subvalue); + + return null + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + now = eat.now(); + subvalue = trimTrailingLines_1(subvalue); + + return eat(subvalue)({ + type: 'paragraph', + children: self.tokenizeInline(subvalue, now) + }) +} + +var _escape = locate; + +function locate(value, fromIndex) { + return value.indexOf('\\', fromIndex) +} + +var _escape$1 = escape$1; +escape$1.locator = _escape; + +var lineFeed$g = '\n'; +var backslash$5 = '\\'; + +function escape$1(eat, value, silent) { + var self = this; + var character; + var node; + + if (value.charAt(0) === backslash$5) { + character = value.charAt(1); + + if (self.escape.indexOf(character) !== -1) { + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + if (character === lineFeed$g) { + node = {type: 'break'}; + } else { + node = {type: 'text', value: character}; + } + + return eat(backslash$5 + character)(node) + } + } +} + +var tag$1 = locate$1; + +function locate$1(value, fromIndex) { + return value.indexOf('<', fromIndex) +} + +var autoLink_1 = autoLink; +autoLink.locator = tag$1; +autoLink.notInLink = true; + +var lessThan$3 = '<'; +var greaterThan$2 = '>'; +var atSign = '@'; +var slash$1 = '/'; +var mailto = 'mailto:'; +var mailtoLength = mailto.length; + +function autoLink(eat, value, silent) { + var self = this; + var subvalue = ''; + var length = value.length; + var index = 0; + var queue = ''; + var hasAtCharacter = false; + var link = ''; + var character; + var now; + var content; + var tokenizers; + var exit; + + if (value.charAt(0) !== lessThan$3) { + return + } + + index++; + subvalue = lessThan$3; + + while (index < length) { + character = value.charAt(index); + + if ( + isWhitespaceCharacter(character) || + character === greaterThan$2 || + character === atSign || + (character === ':' && value.charAt(index + 1) === slash$1) + ) { + break + } + + queue += character; + index++; + } + + if (!queue) { + return + } + + link += queue; + queue = ''; + + character = value.charAt(index); + link += character; + index++; + + if (character === atSign) { + hasAtCharacter = true; + } else { + if (character !== ':' || value.charAt(index + 1) !== slash$1) { + return + } + + link += slash$1; + index++; + } + + while (index < length) { + character = value.charAt(index); + + if (isWhitespaceCharacter(character) || character === greaterThan$2) { + break + } + + queue += character; + index++; + } + + character = value.charAt(index); + + if (!queue || character !== greaterThan$2) { + return + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + link += queue; + content = link; + subvalue += link + character; + now = eat.now(); + now.column++; + now.offset++; + + if (hasAtCharacter) { + if (link.slice(0, mailtoLength).toLowerCase() === mailto) { + content = content.slice(mailtoLength); + now.column += mailtoLength; + now.offset += mailtoLength; + } else { + link = mailto + link; + } + } + + // Temporarily remove all tokenizers except text in autolinks. + tokenizers = self.inlineTokenizers; + self.inlineTokenizers = {text: tokenizers.text}; + + exit = self.enterLink(); + + content = self.tokenizeInline(content, now); + + self.inlineTokenizers = tokenizers; + exit(); + + return eat(subvalue)({ + type: 'link', + title: null, + url: parseEntities_1(link, {nonTerminated: false}), + children: content + }) +} + +var url = locate$2; + +var protocols = ['https://', 'http://', 'mailto:']; + +function locate$2(value, fromIndex) { + var length = protocols.length; + var index = -1; + var min = -1; + var position; + + if (!this.options.gfm) { + return -1 + } + + while (++index < length) { + position = value.indexOf(protocols[index], fromIndex); + + if (position !== -1 && (position < min || min === -1)) { + min = position; + } + } + + return min +} + +var url_1 = url$1; +url$1.locator = url; +url$1.notInLink = true; + +var quotationMark$1 = '"'; +var apostrophe$1 = "'"; +var leftParenthesis$1 = '('; +var rightParenthesis$2 = ')'; +var comma$1 = ','; +var dot$2 = '.'; +var colon$4 = ':'; +var semicolon$1 = ';'; +var lessThan$4 = '<'; +var atSign$1 = '@'; +var leftSquareBracket$2 = '['; +var rightSquareBracket$2 = ']'; + +var http = 'http://'; +var https = 'https://'; +var mailto$1 = 'mailto:'; + +var protocols$1 = [http, https, mailto$1]; + +var protocolsLength = protocols$1.length; + +function url$1(eat, value, silent) { + var self = this; + var subvalue; + var content; + var character; + var index; + var position; + var protocol; + var match; + var length; + var queue; + var parenCount; + var nextCharacter; + var tokenizers; + var exit; + + if (!self.options.gfm) { + return + } + + subvalue = ''; + index = -1; + + while (++index < protocolsLength) { + protocol = protocols$1[index]; + match = value.slice(0, protocol.length); + + if (match.toLowerCase() === protocol) { + subvalue = match; + break + } + } + + if (!subvalue) { + return + } + + index = subvalue.length; + length = value.length; + queue = ''; + parenCount = 0; + + while (index < length) { + character = value.charAt(index); + + if (isWhitespaceCharacter(character) || character === lessThan$4) { + break + } + + if ( + character === dot$2 || + character === comma$1 || + character === colon$4 || + character === semicolon$1 || + character === quotationMark$1 || + character === apostrophe$1 || + character === rightParenthesis$2 || + character === rightSquareBracket$2 + ) { + nextCharacter = value.charAt(index + 1); + + if (!nextCharacter || isWhitespaceCharacter(nextCharacter)) { + break + } + } + + if (character === leftParenthesis$1 || character === leftSquareBracket$2) { + parenCount++; + } + + if (character === rightParenthesis$2 || character === rightSquareBracket$2) { + parenCount--; + + if (parenCount < 0) { + break + } + } + + queue += character; + index++; + } + + if (!queue) { + return + } + + subvalue += queue; + content = subvalue; + + if (protocol === mailto$1) { + position = queue.indexOf(atSign$1); + + if (position === -1 || position === length - 1) { + return + } + + content = content.slice(mailto$1.length); + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + exit = self.enterLink(); + + // Temporarily remove all tokenizers except text in url. + tokenizers = self.inlineTokenizers; + self.inlineTokenizers = {text: tokenizers.text}; + + content = self.tokenizeInline(content, eat.now()); + + self.inlineTokenizers = tokenizers; + exit(); + + return eat(subvalue)({ + type: 'link', + title: null, + url: parseEntities_1(subvalue, {nonTerminated: false}), + children: content + }) +} + +var tag$2 = html.tag; + +var htmlInline = inlineHTML; +inlineHTML.locator = tag$1; + +var lessThan$5 = '<'; +var questionMark = '?'; +var exclamationMark$1 = '!'; +var slash$2 = '/'; + +var htmlLinkOpenExpression = /^/i; + +function inlineHTML(eat, value, silent) { + var self = this; + var length = value.length; + var character; + var subvalue; + + if (value.charAt(0) !== lessThan$5 || length < 3) { + return + } + + character = value.charAt(1); + + if ( + !isAlphabetical(character) && + character !== questionMark && + character !== exclamationMark$1 && + character !== slash$2 + ) { + return + } + + subvalue = value.match(tag$2); + + if (!subvalue) { + return + } + + /* istanbul ignore if - not used yet. */ + if (silent) { + return true + } + + subvalue = subvalue[0]; + + if (!self.inLink && htmlLinkOpenExpression.test(subvalue)) { + self.inLink = true; + } else if (self.inLink && htmlLinkCloseExpression.test(subvalue)) { + self.inLink = false; + } + + return eat(subvalue)({type: 'html', value: subvalue}) +} + +var link$1 = locate$3; + +function locate$3(value, fromIndex) { + var link = value.indexOf('[', fromIndex); + var image = value.indexOf('![', fromIndex); + + if (image === -1) { + return link + } + + // Link can never be `-1` if an image is found, so we don’t need to check + // for that :) + return link < image ? link : image +} + +var link_1 = link$2; +link$2.locator = link$1; + +var lineFeed$h = '\n'; +var exclamationMark$2 = '!'; +var quotationMark$2 = '"'; +var apostrophe$2 = "'"; +var leftParenthesis$2 = '('; +var rightParenthesis$3 = ')'; +var lessThan$6 = '<'; +var greaterThan$3 = '>'; +var leftSquareBracket$3 = '['; +var backslash$6 = '\\'; +var rightSquareBracket$3 = ']'; +var graveAccent$1 = '`'; + +function link$2(eat, value, silent) { + var self = this; + var subvalue = ''; + var index = 0; + var character = value.charAt(0); + var pedantic = self.options.pedantic; + var commonmark = self.options.commonmark; + var gfm = self.options.gfm; + var closed; + var count; + var opening; + var beforeURL; + var beforeTitle; + var subqueue; + var hasMarker; + var isImage; + var content; + var marker; + var length; + var title; + var depth; + var queue; + var url; + var now; + var exit; + var node; + + // Detect whether this is an image. + if (character === exclamationMark$2) { + isImage = true; + subvalue = character; + character = value.charAt(++index); + } + + // Eat the opening. + if (character !== leftSquareBracket$3) { + return + } + + // Exit when this is a link and we’re already inside a link. + if (!isImage && self.inLink) { + return + } + + subvalue += character; + queue = ''; + index++; + + // Eat the content. + length = value.length; + now = eat.now(); + depth = 0; + + now.column += index; + now.offset += index; + + while (index < length) { + character = value.charAt(index); + subqueue = character; + + if (character === graveAccent$1) { + // Inline-code in link content. + count = 1; + + while (value.charAt(index + 1) === graveAccent$1) { + subqueue += character; + index++; + count++; + } + + if (!opening) { + opening = count; + } else if (count >= opening) { + opening = 0; + } + } else if (character === backslash$6) { + // Allow brackets to be escaped. + index++; + subqueue += value.charAt(index); + } else if ((!opening || gfm) && character === leftSquareBracket$3) { + // In GFM mode, brackets in code still count. In all other modes, + // they don’t. + depth++; + } else if ((!opening || gfm) && character === rightSquareBracket$3) { + if (depth) { + depth--; + } else { + // Allow white-space between content and url in GFM mode. + if (!pedantic) { + while (index < length) { + character = value.charAt(index + 1); + + if (!isWhitespaceCharacter(character)) { + break + } + + subqueue += character; + index++; + } + } + + if (value.charAt(index + 1) !== leftParenthesis$2) { + return + } + + subqueue += leftParenthesis$2; + closed = true; + index++; + + break + } + } + + queue += subqueue; + subqueue = ''; + index++; + } + + // Eat the content closing. + if (!closed) { + return + } + + content = queue; + subvalue += queue + subqueue; + index++; + + // Eat white-space. + while (index < length) { + character = value.charAt(index); + + if (!isWhitespaceCharacter(character)) { + break + } + + subvalue += character; + index++; + } + + // Eat the URL. + character = value.charAt(index); + queue = ''; + beforeURL = subvalue; + + if (character === lessThan$6) { + index++; + beforeURL += lessThan$6; + + while (index < length) { + character = value.charAt(index); + + if (character === greaterThan$3) { + break + } + + if (commonmark && character === lineFeed$h) { + return + } + + queue += character; + index++; + } + + if (value.charAt(index) !== greaterThan$3) { + return + } + + subvalue += lessThan$6 + queue + greaterThan$3; + url = queue; + index++; + } else { + character = null; + subqueue = ''; + + while (index < length) { + character = value.charAt(index); + + if ( + subqueue && + (character === quotationMark$2 || + character === apostrophe$2 || + (commonmark && character === leftParenthesis$2)) + ) { + break + } + + if (isWhitespaceCharacter(character)) { + if (!pedantic) { + break + } + + subqueue += character; + } else { + if (character === leftParenthesis$2) { + depth++; + } else if (character === rightParenthesis$3) { + if (depth === 0) { + break + } + + depth--; + } + + queue += subqueue; + subqueue = ''; + + if (character === backslash$6) { + queue += backslash$6; + character = value.charAt(++index); + } + + queue += character; + } + + index++; + } + + subvalue += queue; + url = queue; + index = subvalue.length; + } + + // Eat white-space. + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (!isWhitespaceCharacter(character)) { + break + } + + queue += character; + index++; + } + + character = value.charAt(index); + subvalue += queue; + + // Eat the title. + if ( + queue && + (character === quotationMark$2 || + character === apostrophe$2 || + (commonmark && character === leftParenthesis$2)) + ) { + index++; + subvalue += character; + queue = ''; + marker = character === leftParenthesis$2 ? rightParenthesis$3 : character; + beforeTitle = subvalue; + + // In commonmark-mode, things are pretty easy: the marker cannot occur + // inside the title. Non-commonmark does, however, support nested + // delimiters. + if (commonmark) { + while (index < length) { + character = value.charAt(index); + + if (character === marker) { + break + } + + if (character === backslash$6) { + queue += backslash$6; + character = value.charAt(++index); + } + + index++; + queue += character; + } + + character = value.charAt(index); + + if (character !== marker) { + return + } + + title = queue; + subvalue += queue + character; + index++; + + while (index < length) { + character = value.charAt(index); + + if (!isWhitespaceCharacter(character)) { + break + } + + subvalue += character; + index++; + } + } else { + subqueue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character === marker) { + if (hasMarker) { + queue += marker + subqueue; + subqueue = ''; + } + + hasMarker = true; + } else if (!hasMarker) { + queue += character; + } else if (character === rightParenthesis$3) { + subvalue += queue + marker + subqueue; + title = queue; + break + } else if (isWhitespaceCharacter(character)) { + subqueue += character; + } else { + queue += marker + subqueue + character; + subqueue = ''; + hasMarker = false; + } + + index++; + } + } + } + + if (value.charAt(index) !== rightParenthesis$3) { + return + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + subvalue += rightParenthesis$3; + + url = self.decode.raw(self.unescape(url), eat(beforeURL).test().end, { + nonTerminated: false + }); + + if (title) { + beforeTitle = eat(beforeTitle).test().end; + title = self.decode.raw(self.unescape(title), beforeTitle); + } + + node = { + type: isImage ? 'image' : 'link', + title: title || null, + url: url + }; + + if (isImage) { + node.alt = self.decode.raw(self.unescape(content), now) || null; + } else { + exit = self.enterLink(); + node.children = self.tokenizeInline(content, now); + exit(); + } + + return eat(subvalue)(node) +} + +var reference_1 = reference; +reference.locator = link$1; + +var link$3 = 'link'; +var image$1 = 'image'; +var footnote = 'footnote'; +var shortcut = 'shortcut'; +var collapsed = 'collapsed'; +var full = 'full'; +var space$f = ' '; +var exclamationMark$3 = '!'; +var leftSquareBracket$4 = '['; +var backslash$7 = '\\'; +var rightSquareBracket$4 = ']'; +var caret$2 = '^'; + +function reference(eat, value, silent) { + var self = this; + var commonmark = self.options.commonmark; + var footnotes = self.options.footnotes; + var character = value.charAt(0); + var index = 0; + var length = value.length; + var subvalue = ''; + var intro = ''; + var type = link$3; + var referenceType = shortcut; + var content; + var identifier; + var now; + var node; + var exit; + var queue; + var bracketed; + var depth; + + // Check whether we’re eating an image. + if (character === exclamationMark$3) { + type = image$1; + intro = character; + character = value.charAt(++index); + } + + if (character !== leftSquareBracket$4) { + return + } + + index++; + intro += character; + queue = ''; + + // Check whether we’re eating a footnote. + if (footnotes && value.charAt(index) === caret$2) { + // Exit if `![^` is found, so the `!` will be seen as text after this, + // and we’ll enter this function again when `[^` is found. + if (type === image$1) { + return + } + + intro += caret$2; + index++; + type = footnote; + } + + // Eat the text. + depth = 0; + + while (index < length) { + character = value.charAt(index); + + if (character === leftSquareBracket$4) { + bracketed = true; + depth++; + } else if (character === rightSquareBracket$4) { + if (!depth) { + break + } + + depth--; + } + + if (character === backslash$7) { + queue += backslash$7; + character = value.charAt(++index); + } + + queue += character; + index++; + } + + subvalue = queue; + content = queue; + character = value.charAt(index); + + if (character !== rightSquareBracket$4) { + return + } + + index++; + subvalue += character; + queue = ''; + + if (!commonmark) { + // The original markdown syntax definition explicitly allows for whitespace + // between the link text and link label; commonmark departs from this, in + // part to improve support for shortcut reference links + while (index < length) { + character = value.charAt(index); + + if (!isWhitespaceCharacter(character)) { + break + } + + queue += character; + index++; + } + } + + character = value.charAt(index); + + // Inline footnotes cannot have a label. + // If footnotes are enabled, link labels cannot start with a caret. + if ( + type !== footnote && + character === leftSquareBracket$4 && + (!footnotes || value.charAt(index + 1) !== caret$2) + ) { + identifier = ''; + queue += character; + index++; + + while (index < length) { + character = value.charAt(index); + + if (character === leftSquareBracket$4 || character === rightSquareBracket$4) { + break + } + + if (character === backslash$7) { + identifier += backslash$7; + character = value.charAt(++index); + } + + identifier += character; + index++; + } + + character = value.charAt(index); + + if (character === rightSquareBracket$4) { + referenceType = identifier ? full : collapsed; + queue += identifier + character; + index++; + } else { + identifier = ''; + } + + subvalue += queue; + queue = ''; + } else { + if (!content) { + return + } + + identifier = content; + } + + // Brackets cannot be inside the identifier. + if (referenceType !== full && bracketed) { + return + } + + subvalue = intro + subvalue; + + if (type === link$3 && self.inLink) { + return null + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + if (type === footnote && content.indexOf(space$f) !== -1) { + return eat(subvalue)({ + type: footnote, + children: this.tokenizeInline(content, eat.now()) + }) + } + + now = eat.now(); + now.column += intro.length; + now.offset += intro.length; + identifier = referenceType === full ? identifier : content; + + node = { + type: type + 'Reference', + identifier: normalize_1(identifier), + label: identifier + }; + + if (type === link$3 || type === image$1) { + node.referenceType = referenceType; + } + + if (type === link$3) { + exit = self.enterLink(); + node.children = self.tokenizeInline(content, now); + exit(); + } else if (type === image$1) { + node.alt = self.decode.raw(self.unescape(content), now) || null; + } + + return eat(subvalue)(node) +} + +var strong = locate$4; + +function locate$4(value, fromIndex) { + var asterisk = value.indexOf('**', fromIndex); + var underscore = value.indexOf('__', fromIndex); + + if (underscore === -1) { + return asterisk + } + + if (asterisk === -1) { + return underscore + } + + return underscore < asterisk ? underscore : asterisk +} + +var strong_1 = strong$1; +strong$1.locator = strong; + +var backslash$8 = '\\'; +var asterisk$2 = '*'; +var underscore$2 = '_'; + +function strong$1(eat, value, silent) { + var self = this; + var index = 0; + var character = value.charAt(index); + var now; + var pedantic; + var marker; + var queue; + var subvalue; + var length; + var prev; + + if ( + (character !== asterisk$2 && character !== underscore$2) || + value.charAt(++index) !== character + ) { + return + } + + pedantic = self.options.pedantic; + marker = character; + subvalue = marker + marker; + length = value.length; + index++; + queue = ''; + character = ''; + + if (pedantic && isWhitespaceCharacter(value.charAt(index))) { + return + } + + while (index < length) { + prev = character; + character = value.charAt(index); + + if ( + character === marker && + value.charAt(index + 1) === marker && + (!pedantic || !isWhitespaceCharacter(prev)) + ) { + character = value.charAt(index + 2); + + if (character !== marker) { + if (!trim_1(queue)) { + return + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + now = eat.now(); + now.column += 2; + now.offset += 2; + + return eat(subvalue + queue + subvalue)({ + type: 'strong', + children: self.tokenizeInline(queue, now) + }) + } + } + + if (!pedantic && character === backslash$8) { + queue += character; + character = value.charAt(++index); + } + + queue += character; + index++; + } +} + +var isWordCharacter = wordCharacter; + +var fromCode$1 = String.fromCharCode; +var re$2 = /\w/; + +// Check if the given character code, or the character code at the first +// character, is a word character. +function wordCharacter(character) { + return re$2.test( + typeof character === 'number' ? fromCode$1(character) : character.charAt(0) + ) +} + +var emphasis = locate$5; + +function locate$5(value, fromIndex) { + var asterisk = value.indexOf('*', fromIndex); + var underscore = value.indexOf('_', fromIndex); + + if (underscore === -1) { + return asterisk + } + + if (asterisk === -1) { + return underscore + } + + return underscore < asterisk ? underscore : asterisk +} + +var emphasis_1 = emphasis$1; +emphasis$1.locator = emphasis; + +var asterisk$3 = '*'; +var underscore$3 = '_'; +var backslash$9 = '\\'; + +function emphasis$1(eat, value, silent) { + var self = this; + var index = 0; + var character = value.charAt(index); + var now; + var pedantic; + var marker; + var queue; + var subvalue; + var length; + var prev; + + if (character !== asterisk$3 && character !== underscore$3) { + return + } + + pedantic = self.options.pedantic; + subvalue = character; + marker = character; + length = value.length; + index++; + queue = ''; + character = ''; + + if (pedantic && isWhitespaceCharacter(value.charAt(index))) { + return + } + + while (index < length) { + prev = character; + character = value.charAt(index); + + if (character === marker && (!pedantic || !isWhitespaceCharacter(prev))) { + character = value.charAt(++index); + + if (character !== marker) { + if (!trim_1(queue) || prev === marker) { + return + } + + if (!pedantic && marker === underscore$3 && isWordCharacter(character)) { + queue += marker; + continue + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + now = eat.now(); + now.column++; + now.offset++; + + return eat(subvalue + queue + marker)({ + type: 'emphasis', + children: self.tokenizeInline(queue, now) + }) + } + + queue += marker; + } + + if (!pedantic && character === backslash$9) { + queue += character; + character = value.charAt(++index); + } + + queue += character; + index++; + } +} + +var _delete = locate$6; + +function locate$6(value, fromIndex) { + return value.indexOf('~~', fromIndex) +} + +var _delete$1 = strikethrough; +strikethrough.locator = _delete; + +var tilde$2 = '~'; +var fence = '~~'; + +function strikethrough(eat, value, silent) { + var self = this; + var character = ''; + var previous = ''; + var preceding = ''; + var subvalue = ''; + var index; + var length; + var now; + + if ( + !self.options.gfm || + value.charAt(0) !== tilde$2 || + value.charAt(1) !== tilde$2 || + isWhitespaceCharacter(value.charAt(2)) + ) { + return + } + + index = 1; + length = value.length; + now = eat.now(); + now.column += 2; + now.offset += 2; + + while (++index < length) { + character = value.charAt(index); + + if ( + character === tilde$2 && + previous === tilde$2 && + (!preceding || !isWhitespaceCharacter(preceding)) + ) { + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + return eat(fence + subvalue + fence)({ + type: 'delete', + children: self.tokenizeInline(subvalue, now) + }) + } + + subvalue += previous; + preceding = previous; + previous = character; + } +} + +var codeInline = locate$7; + +function locate$7(value, fromIndex) { + return value.indexOf('`', fromIndex) +} + +var codeInline$1 = inlineCode; +inlineCode.locator = codeInline; + +var lineFeed$i = 10; // '\n' +var space$g = 32; // ' ' +var graveAccent$2 = 96; // '`' + +function inlineCode(eat, value, silent) { + var length = value.length; + var index = 0; + var openingFenceEnd; + var closingFenceStart; + var closingFenceEnd; + var code; + var next; + var found; + + while (index < length) { + if (value.charCodeAt(index) !== graveAccent$2) { + break + } + + index++; + } + + if (index === 0 || index === length) { + return + } + + openingFenceEnd = index; + next = value.charCodeAt(index); + + while (index < length) { + code = next; + next = value.charCodeAt(index + 1); + + if (code === graveAccent$2) { + if (closingFenceStart === undefined) { + closingFenceStart = index; + } + + closingFenceEnd = index + 1; + + if ( + next !== graveAccent$2 && + closingFenceEnd - closingFenceStart === openingFenceEnd + ) { + found = true; + break + } + } else if (closingFenceStart !== undefined) { + closingFenceStart = undefined; + closingFenceEnd = undefined; + } + + index++; + } + + if (!found) { + return + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + // Remove the initial and final space (or line feed), iff they exist and there + // are non-space characters in the content. + index = openingFenceEnd; + length = closingFenceStart; + code = value.charCodeAt(index); + next = value.charCodeAt(length - 1); + found = false; + + if ( + length - index > 2 && + (code === space$g || code === lineFeed$i) && + (next === space$g || next === lineFeed$i) + ) { + index++; + length--; + + while (index < length) { + code = value.charCodeAt(index); + + if (code !== space$g && code !== lineFeed$i) { + found = true; + break + } + + index++; + } + + if (found === true) { + openingFenceEnd++; + closingFenceStart--; + } + } + + return eat(value.slice(0, closingFenceEnd))({ + type: 'inlineCode', + value: value.slice(openingFenceEnd, closingFenceStart) + }) +} + +var _break = locate$8; + +function locate$8(value, fromIndex) { + var index = value.indexOf('\n', fromIndex); + + while (index > fromIndex) { + if (value.charAt(index - 1) !== ' ') { + break + } + + index--; + } + + return index +} + +var _break$1 = hardBreak; +hardBreak.locator = _break; + +var space$h = ' '; +var lineFeed$j = '\n'; +var minBreakLength = 2; + +function hardBreak(eat, value, silent) { + var length = value.length; + var index = -1; + var queue = ''; + var character; + + while (++index < length) { + character = value.charAt(index); + + if (character === lineFeed$j) { + if (index < minBreakLength) { + return + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + queue += character; + + return eat(queue)({type: 'break'}) + } + + if (character !== space$h) { + return + } + + queue += character; + } +} + +var text_1 = text; + +function text(eat, value, silent) { + var self = this; + var methods; + var tokenizers; + var index; + var length; + var subvalue; + var position; + var tokenizer; + var name; + var min; + var now; + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true + } + + methods = self.inlineMethods; + length = methods.length; + tokenizers = self.inlineTokenizers; + index = -1; + min = value.length; + + while (++index < length) { + name = methods[index]; + + if (name === 'text' || !tokenizers[name]) { + continue + } + + tokenizer = tokenizers[name].locator; + + if (!tokenizer) { + eat.file.fail('Missing locator: `' + name + '`'); + } + + position = tokenizer.call(self, value, 1); + + if (position !== -1 && position < min) { + min = position; + } + } + + subvalue = value.slice(0, min); + now = eat.now(); + + self.decode(subvalue, now, handler); + + function handler(content, position, source) { + eat(source || content)({type: 'text', value: content}); + } +} + +var parser = Parser; + +function Parser(doc, file) { + this.file = file; + this.offset = {}; + this.options = immutable(this.options); + this.setOptions({}); + + this.inList = false; + this.inBlock = false; + this.inLink = false; + this.atStart = true; + + this.toOffset = vfileLocation(file).toOffset; + this.unescape = _unescape(this, 'escape'); + this.decode = decode(this); +} + +var proto$3 = Parser.prototype; + +// Expose core. +proto$3.setOptions = setOptions_1; +proto$3.parse = parse_1$3; + +// Expose `defaults`. +proto$3.options = defaults$2; + +// Enter and exit helpers. +proto$3.exitStart = stateToggle('atStart', true); +proto$3.enterList = stateToggle('inList', false); +proto$3.enterLink = stateToggle('inLink', false); +proto$3.enterBlock = stateToggle('inBlock', false); + +// Nodes that can interupt a paragraph: +// +// ```markdown +// A paragraph, followed by a thematic break. +// ___ +// ``` +// +// In the above example, the thematic break “interupts” the paragraph. +proto$3.interruptParagraph = [ + ['thematicBreak'], + ['atxHeading'], + ['fencedCode'], + ['blockquote'], + ['html'], + ['setextHeading', {commonmark: false}], + ['definition', {commonmark: false}], + ['footnote', {commonmark: false}] +]; + +// Nodes that can interupt a list: +// +// ```markdown +// - One +// ___ +// ``` +// +// In the above example, the thematic break “interupts” the list. +proto$3.interruptList = [ + ['atxHeading', {pedantic: false}], + ['fencedCode', {pedantic: false}], + ['thematicBreak', {pedantic: false}], + ['definition', {commonmark: false}], + ['footnote', {commonmark: false}] +]; + +// Nodes that can interupt a blockquote: +// +// ```markdown +// > A paragraph. +// ___ +// ``` +// +// In the above example, the thematic break “interupts” the blockquote. +proto$3.interruptBlockquote = [ + ['indentedCode', {commonmark: true}], + ['fencedCode', {commonmark: true}], + ['atxHeading', {commonmark: true}], + ['setextHeading', {commonmark: true}], + ['thematicBreak', {commonmark: true}], + ['html', {commonmark: true}], + ['list', {commonmark: true}], + ['definition', {commonmark: false}], + ['footnote', {commonmark: false}] +]; + +// Handlers. +proto$3.blockTokenizers = { + newline: newline_1, + indentedCode: codeIndented, + fencedCode: codeFenced, + blockquote: blockquote_1, + atxHeading: headingAtx, + thematicBreak: thematicBreak_1, + list: list_1, + setextHeading: headingSetext, + html: htmlBlock, + footnote: footnoteDefinition_1, + definition: definition_1, + table: table_1, + paragraph: paragraph_1 +}; + +proto$3.inlineTokenizers = { + escape: _escape$1, + autoLink: autoLink_1, + url: url_1, + html: htmlInline, + link: link_1, + reference: reference_1, + strong: strong_1, + emphasis: emphasis_1, + deletion: _delete$1, + code: codeInline$1, + break: _break$1, + text: text_1 +}; + +// Expose precedence. +proto$3.blockMethods = keys$1(proto$3.blockTokenizers); +proto$3.inlineMethods = keys$1(proto$3.inlineTokenizers); + +// Tokenizers. +proto$3.tokenizeBlock = tokenizer('block'); +proto$3.tokenizeInline = tokenizer('inline'); +proto$3.tokenizeFactory = tokenizer; + +// Get all keys in `value`. +function keys$1(value) { + var result = []; + var key; + + for (key in value) { + result.push(key); + } + + return result +} + +var remarkParse = parse$a; +parse$a.Parser = parser; + +function parse$a(options) { + var settings = this.data('settings'); + var Local = unherit_1(parser); + + Local.prototype.options = immutable(Local.prototype.options, settings, options); + + this.Parser = Local; +} + +var identity_1 = identity; + +function identity(value) { + return value +} + +var enterLinkReference = enter; + +// Shortcut and collapsed link references need no escaping and encoding during +// the processing of child nodes (it must be implied from identifier). +// +// This toggler turns encoding and escaping off for shortcut and collapsed +// references. +// +// Implies `enterLink`. +function enter(compiler, node) { + var encode = compiler.encode; + var escape = compiler.escape; + var exitLink = compiler.enterLink(); + + if (node.referenceType !== 'shortcut' && node.referenceType !== 'collapsed') { + return exitLink + } + + compiler.escape = identity_1; + compiler.encode = identity_1; + + return exit + + function exit() { + compiler.encode = encode; + compiler.escape = escape; + exitLink(); + } +} + +var defaults$3 = { + gfm: true, + commonmark: false, + pedantic: false, + entities: 'false', + setext: false, + closeAtx: false, + looseTable: false, + spacedTable: true, + paddedTable: true, + stringLength: stringLength, + incrementListMarker: true, + fences: false, + fence: '`', + bullet: '-', + listItemIndent: 'tab', + rule: '*', + ruleSpaces: true, + ruleRepetition: 3, + strong: '*', + emphasis: '_' +}; + +function stringLength(value) { + return value.length +} + +const nbsp$2 = " "; +const iexcl$2 = "¡"; +const cent$2 = "¢"; +const pound$2 = "£"; +const curren$2 = "¤"; +const yen$2 = "¥"; +const brvbar$2 = "¦"; +const sect$2 = "§"; +const uml$2 = "¨"; +const copy$3 = "©"; +const ordf$2 = "ª"; +const laquo$2 = "«"; +const not$2 = "¬"; +const shy$2 = "­"; +const reg$2 = "®"; +const macr$2 = "¯"; +const deg$2 = "°"; +const plusmn$2 = "±"; +const sup2$2 = "²"; +const sup3$2 = "³"; +const acute$2 = "´"; +const micro$2 = "µ"; +const para$2 = "¶"; +const middot$2 = "·"; +const cedil$2 = "¸"; +const sup1$2 = "¹"; +const ordm$2 = "º"; +const raquo$2 = "»"; +const frac14$2 = "¼"; +const frac12$2 = "½"; +const frac34$2 = "¾"; +const iquest$2 = "¿"; +const Agrave$2 = "À"; +const Aacute$2 = "Á"; +const Acirc$2 = "Â"; +const Atilde$2 = "Ã"; +const Auml$2 = "Ä"; +const Aring$2 = "Å"; +const AElig$2 = "Æ"; +const Ccedil$2 = "Ç"; +const Egrave$2 = "È"; +const Eacute$2 = "É"; +const Ecirc$2 = "Ê"; +const Euml$2 = "Ë"; +const Igrave$2 = "Ì"; +const Iacute$2 = "Í"; +const Icirc$2 = "Î"; +const Iuml$2 = "Ï"; +const ETH$2 = "Ð"; +const Ntilde$2 = "Ñ"; +const Ograve$2 = "Ò"; +const Oacute$2 = "Ó"; +const Ocirc$2 = "Ô"; +const Otilde$2 = "Õ"; +const Ouml$2 = "Ö"; +const times$2 = "×"; +const Oslash$2 = "Ø"; +const Ugrave$2 = "Ù"; +const Uacute$2 = "Ú"; +const Ucirc$2 = "Û"; +const Uuml$2 = "Ü"; +const Yacute$2 = "Ý"; +const THORN$2 = "Þ"; +const szlig$2 = "ß"; +const agrave$2 = "à"; +const aacute$2 = "á"; +const acirc$2 = "â"; +const atilde$2 = "ã"; +const auml$2 = "ä"; +const aring$2 = "å"; +const aelig$2 = "æ"; +const ccedil$2 = "ç"; +const egrave$2 = "è"; +const eacute$2 = "é"; +const ecirc$2 = "ê"; +const euml$2 = "ë"; +const igrave$2 = "ì"; +const iacute$2 = "í"; +const icirc$2 = "î"; +const iuml$2 = "ï"; +const eth$2 = "ð"; +const ntilde$2 = "ñ"; +const ograve$2 = "ò"; +const oacute$2 = "ó"; +const ocirc$2 = "ô"; +const otilde$2 = "õ"; +const ouml$2 = "ö"; +const divide$2 = "÷"; +const oslash$2 = "ø"; +const ugrave$2 = "ù"; +const uacute$2 = "ú"; +const ucirc$2 = "û"; +const uuml$2 = "ü"; +const yacute$2 = "ý"; +const thorn$2 = "þ"; +const yuml$2 = "ÿ"; +const fnof$1 = "ƒ"; +const Alpha$1 = "Α"; +const Beta$1 = "Β"; +const Gamma$1 = "Γ"; +const Delta$1 = "Δ"; +const Epsilon$1 = "Ε"; +const Zeta$1 = "Ζ"; +const Eta$1 = "Η"; +const Theta$1 = "Θ"; +const Iota$1 = "Ι"; +const Kappa$1 = "Κ"; +const Lambda$1 = "Λ"; +const Mu$1 = "Μ"; +const Nu$1 = "Ν"; +const Xi$1 = "Ξ"; +const Omicron$1 = "Ο"; +const Pi$1 = "Π"; +const Rho$1 = "Ρ"; +const Sigma$1 = "Σ"; +const Tau$1 = "Τ"; +const Upsilon$1 = "Υ"; +const Phi$1 = "Φ"; +const Chi$1 = "Χ"; +const Psi$1 = "Ψ"; +const Omega$1 = "Ω"; +const alpha$1 = "α"; +const beta$1 = "β"; +const gamma$1 = "γ"; +const delta$1 = "δ"; +const epsilon$1 = "ε"; +const zeta$1 = "ζ"; +const eta$1 = "η"; +const theta$1 = "θ"; +const iota$1 = "ι"; +const kappa$1 = "κ"; +const lambda$1 = "λ"; +const mu$1 = "μ"; +const nu$1 = "ν"; +const xi$1 = "ξ"; +const omicron$1 = "ο"; +const pi$1 = "π"; +const rho$1 = "ρ"; +const sigmaf$1 = "ς"; +const sigma$1 = "σ"; +const tau$1 = "τ"; +const upsilon$1 = "υ"; +const phi$1 = "φ"; +const chi$1 = "χ"; +const psi$1 = "ψ"; +const omega$1 = "ω"; +const thetasym$1 = "ϑ"; +const upsih$1 = "ϒ"; +const piv$1 = "ϖ"; +const bull$1 = "•"; +const hellip$1 = "…"; +const prime$1 = "′"; +const Prime$1 = "″"; +const oline$1 = "‾"; +const frasl$1 = "⁄"; +const weierp$1 = "℘"; +const image$2 = "ℑ"; +const real$1 = "ℜ"; +const trade$1 = "™"; +const alefsym$1 = "ℵ"; +const larr$1 = "←"; +const uarr$1 = "↑"; +const rarr$1 = "→"; +const darr$1 = "↓"; +const harr$1 = "↔"; +const crarr$1 = "↵"; +const lArr$1 = "⇐"; +const uArr$1 = "⇑"; +const rArr$1 = "⇒"; +const dArr$1 = "⇓"; +const hArr$1 = "⇔"; +const forall$1 = "∀"; +const part$1 = "∂"; +const exist$1 = "∃"; +const empty$1 = "∅"; +const nabla$1 = "∇"; +const isin$1 = "∈"; +const notin$1 = "∉"; +const ni$1 = "∋"; +const prod$1 = "∏"; +const sum$1 = "∑"; +const minus$1 = "−"; +const lowast$1 = "∗"; +const radic$1 = "√"; +const prop$1 = "∝"; +const infin$1 = "∞"; +const ang$1 = "∠"; +const and$1 = "∧"; +const or$1 = "∨"; +const cap$1 = "∩"; +const cup$1 = "∪"; +const int$1 = "∫"; +const there4$1 = "∴"; +const sim$1 = "∼"; +const cong$1 = "≅"; +const asymp$1 = "≈"; +const ne$1 = "≠"; +const equiv$1 = "≡"; +const le$1 = "≤"; +const ge$1 = "≥"; +const sub$1 = "⊂"; +const sup$1 = "⊃"; +const nsub$1 = "⊄"; +const sube$1 = "⊆"; +const supe$1 = "⊇"; +const oplus$1 = "⊕"; +const otimes$1 = "⊗"; +const perp$1 = "⊥"; +const sdot$1 = "⋅"; +const lceil$1 = "⌈"; +const rceil$1 = "⌉"; +const lfloor$1 = "⌊"; +const rfloor$1 = "⌋"; +const lang$1 = "〈"; +const rang$1 = "〉"; +const loz$1 = "◊"; +const spades$1 = "♠"; +const clubs$1 = "♣"; +const hearts$1 = "♥"; +const diams$1 = "♦"; +const quot$2 = "\""; +const amp$2 = "&"; +const lt$2 = "<"; +const gt$2 = ">"; +const OElig$1 = "Œ"; +const oelig$1 = "œ"; +const Scaron$1 = "Š"; +const scaron$1 = "š"; +const Yuml$1 = "Ÿ"; +const circ$1 = "ˆ"; +const tilde$3 = "˜"; +const ensp$1 = " "; +const emsp$1 = " "; +const thinsp$1 = " "; +const zwnj$1 = "‌"; +const zwj$1 = "‍"; +const lrm$1 = "‎"; +const rlm$1 = "‏"; +const ndash$1 = "–"; +const mdash$1 = "—"; +const lsquo$1 = "‘"; +const rsquo$1 = "’"; +const sbquo$1 = "‚"; +const ldquo$1 = "“"; +const rdquo$1 = "”"; +const bdquo$1 = "„"; +const dagger$1 = "†"; +const Dagger$1 = "‡"; +const permil$1 = "‰"; +const lsaquo$1 = "‹"; +const rsaquo$1 = "›"; +const euro$1 = "€"; +var index$4 = { + nbsp: nbsp$2, + iexcl: iexcl$2, + cent: cent$2, + pound: pound$2, + curren: curren$2, + yen: yen$2, + brvbar: brvbar$2, + sect: sect$2, + uml: uml$2, + copy: copy$3, + ordf: ordf$2, + laquo: laquo$2, + not: not$2, + shy: shy$2, + reg: reg$2, + macr: macr$2, + deg: deg$2, + plusmn: plusmn$2, + sup2: sup2$2, + sup3: sup3$2, + acute: acute$2, + micro: micro$2, + para: para$2, + middot: middot$2, + cedil: cedil$2, + sup1: sup1$2, + ordm: ordm$2, + raquo: raquo$2, + frac14: frac14$2, + frac12: frac12$2, + frac34: frac34$2, + iquest: iquest$2, + Agrave: Agrave$2, + Aacute: Aacute$2, + Acirc: Acirc$2, + Atilde: Atilde$2, + Auml: Auml$2, + Aring: Aring$2, + AElig: AElig$2, + Ccedil: Ccedil$2, + Egrave: Egrave$2, + Eacute: Eacute$2, + Ecirc: Ecirc$2, + Euml: Euml$2, + Igrave: Igrave$2, + Iacute: Iacute$2, + Icirc: Icirc$2, + Iuml: Iuml$2, + ETH: ETH$2, + Ntilde: Ntilde$2, + Ograve: Ograve$2, + Oacute: Oacute$2, + Ocirc: Ocirc$2, + Otilde: Otilde$2, + Ouml: Ouml$2, + times: times$2, + Oslash: Oslash$2, + Ugrave: Ugrave$2, + Uacute: Uacute$2, + Ucirc: Ucirc$2, + Uuml: Uuml$2, + Yacute: Yacute$2, + THORN: THORN$2, + szlig: szlig$2, + agrave: agrave$2, + aacute: aacute$2, + acirc: acirc$2, + atilde: atilde$2, + auml: auml$2, + aring: aring$2, + aelig: aelig$2, + ccedil: ccedil$2, + egrave: egrave$2, + eacute: eacute$2, + ecirc: ecirc$2, + euml: euml$2, + igrave: igrave$2, + iacute: iacute$2, + icirc: icirc$2, + iuml: iuml$2, + eth: eth$2, + ntilde: ntilde$2, + ograve: ograve$2, + oacute: oacute$2, + ocirc: ocirc$2, + otilde: otilde$2, + ouml: ouml$2, + divide: divide$2, + oslash: oslash$2, + ugrave: ugrave$2, + uacute: uacute$2, + ucirc: ucirc$2, + uuml: uuml$2, + yacute: yacute$2, + thorn: thorn$2, + yuml: yuml$2, + fnof: fnof$1, + Alpha: Alpha$1, + Beta: Beta$1, + Gamma: Gamma$1, + Delta: Delta$1, + Epsilon: Epsilon$1, + Zeta: Zeta$1, + Eta: Eta$1, + Theta: Theta$1, + Iota: Iota$1, + Kappa: Kappa$1, + Lambda: Lambda$1, + Mu: Mu$1, + Nu: Nu$1, + Xi: Xi$1, + Omicron: Omicron$1, + Pi: Pi$1, + Rho: Rho$1, + Sigma: Sigma$1, + Tau: Tau$1, + Upsilon: Upsilon$1, + Phi: Phi$1, + Chi: Chi$1, + Psi: Psi$1, + Omega: Omega$1, + alpha: alpha$1, + beta: beta$1, + gamma: gamma$1, + delta: delta$1, + epsilon: epsilon$1, + zeta: zeta$1, + eta: eta$1, + theta: theta$1, + iota: iota$1, + kappa: kappa$1, + lambda: lambda$1, + mu: mu$1, + nu: nu$1, + xi: xi$1, + omicron: omicron$1, + pi: pi$1, + rho: rho$1, + sigmaf: sigmaf$1, + sigma: sigma$1, + tau: tau$1, + upsilon: upsilon$1, + phi: phi$1, + chi: chi$1, + psi: psi$1, + omega: omega$1, + thetasym: thetasym$1, + upsih: upsih$1, + piv: piv$1, + bull: bull$1, + hellip: hellip$1, + prime: prime$1, + Prime: Prime$1, + oline: oline$1, + frasl: frasl$1, + weierp: weierp$1, + image: image$2, + real: real$1, + trade: trade$1, + alefsym: alefsym$1, + larr: larr$1, + uarr: uarr$1, + rarr: rarr$1, + darr: darr$1, + harr: harr$1, + crarr: crarr$1, + lArr: lArr$1, + uArr: uArr$1, + rArr: rArr$1, + dArr: dArr$1, + hArr: hArr$1, + forall: forall$1, + part: part$1, + exist: exist$1, + empty: empty$1, + nabla: nabla$1, + isin: isin$1, + notin: notin$1, + ni: ni$1, + prod: prod$1, + sum: sum$1, + minus: minus$1, + lowast: lowast$1, + radic: radic$1, + prop: prop$1, + infin: infin$1, + ang: ang$1, + and: and$1, + or: or$1, + cap: cap$1, + cup: cup$1, + int: int$1, + there4: there4$1, + sim: sim$1, + cong: cong$1, + asymp: asymp$1, + ne: ne$1, + equiv: equiv$1, + le: le$1, + ge: ge$1, + sub: sub$1, + sup: sup$1, + nsub: nsub$1, + sube: sube$1, + supe: supe$1, + oplus: oplus$1, + otimes: otimes$1, + perp: perp$1, + sdot: sdot$1, + lceil: lceil$1, + rceil: rceil$1, + lfloor: lfloor$1, + rfloor: rfloor$1, + lang: lang$1, + rang: rang$1, + loz: loz$1, + spades: spades$1, + clubs: clubs$1, + hearts: hearts$1, + diams: diams$1, + quot: quot$2, + amp: amp$2, + lt: lt$2, + gt: gt$2, + OElig: OElig$1, + oelig: oelig$1, + Scaron: Scaron$1, + scaron: scaron$1, + Yuml: Yuml$1, + circ: circ$1, + tilde: tilde$3, + ensp: ensp$1, + emsp: emsp$1, + thinsp: thinsp$1, + zwnj: zwnj$1, + zwj: zwj$1, + lrm: lrm$1, + rlm: rlm$1, + ndash: ndash$1, + mdash: mdash$1, + lsquo: lsquo$1, + rsquo: rsquo$1, + sbquo: sbquo$1, + ldquo: ldquo$1, + rdquo: rdquo$1, + bdquo: bdquo$1, + dagger: dagger$1, + Dagger: Dagger$1, + permil: permil$1, + lsaquo: lsaquo$1, + rsaquo: rsaquo$1, + euro: euro$1 +}; + +var characterEntitiesHtml4 = /*#__PURE__*/Object.freeze({ + __proto__: null, + nbsp: nbsp$2, + iexcl: iexcl$2, + cent: cent$2, + pound: pound$2, + curren: curren$2, + yen: yen$2, + brvbar: brvbar$2, + sect: sect$2, + uml: uml$2, + copy: copy$3, + ordf: ordf$2, + laquo: laquo$2, + not: not$2, + shy: shy$2, + reg: reg$2, + macr: macr$2, + deg: deg$2, + plusmn: plusmn$2, + sup2: sup2$2, + sup3: sup3$2, + acute: acute$2, + micro: micro$2, + para: para$2, + middot: middot$2, + cedil: cedil$2, + sup1: sup1$2, + ordm: ordm$2, + raquo: raquo$2, + frac14: frac14$2, + frac12: frac12$2, + frac34: frac34$2, + iquest: iquest$2, + Agrave: Agrave$2, + Aacute: Aacute$2, + Acirc: Acirc$2, + Atilde: Atilde$2, + Auml: Auml$2, + Aring: Aring$2, + AElig: AElig$2, + Ccedil: Ccedil$2, + Egrave: Egrave$2, + Eacute: Eacute$2, + Ecirc: Ecirc$2, + Euml: Euml$2, + Igrave: Igrave$2, + Iacute: Iacute$2, + Icirc: Icirc$2, + Iuml: Iuml$2, + ETH: ETH$2, + Ntilde: Ntilde$2, + Ograve: Ograve$2, + Oacute: Oacute$2, + Ocirc: Ocirc$2, + Otilde: Otilde$2, + Ouml: Ouml$2, + times: times$2, + Oslash: Oslash$2, + Ugrave: Ugrave$2, + Uacute: Uacute$2, + Ucirc: Ucirc$2, + Uuml: Uuml$2, + Yacute: Yacute$2, + THORN: THORN$2, + szlig: szlig$2, + agrave: agrave$2, + aacute: aacute$2, + acirc: acirc$2, + atilde: atilde$2, + auml: auml$2, + aring: aring$2, + aelig: aelig$2, + ccedil: ccedil$2, + egrave: egrave$2, + eacute: eacute$2, + ecirc: ecirc$2, + euml: euml$2, + igrave: igrave$2, + iacute: iacute$2, + icirc: icirc$2, + iuml: iuml$2, + eth: eth$2, + ntilde: ntilde$2, + ograve: ograve$2, + oacute: oacute$2, + ocirc: ocirc$2, + otilde: otilde$2, + ouml: ouml$2, + divide: divide$2, + oslash: oslash$2, + ugrave: ugrave$2, + uacute: uacute$2, + ucirc: ucirc$2, + uuml: uuml$2, + yacute: yacute$2, + thorn: thorn$2, + yuml: yuml$2, + fnof: fnof$1, + Alpha: Alpha$1, + Beta: Beta$1, + Gamma: Gamma$1, + Delta: Delta$1, + Epsilon: Epsilon$1, + Zeta: Zeta$1, + Eta: Eta$1, + Theta: Theta$1, + Iota: Iota$1, + Kappa: Kappa$1, + Lambda: Lambda$1, + Mu: Mu$1, + Nu: Nu$1, + Xi: Xi$1, + Omicron: Omicron$1, + Pi: Pi$1, + Rho: Rho$1, + Sigma: Sigma$1, + Tau: Tau$1, + Upsilon: Upsilon$1, + Phi: Phi$1, + Chi: Chi$1, + Psi: Psi$1, + Omega: Omega$1, + alpha: alpha$1, + beta: beta$1, + gamma: gamma$1, + delta: delta$1, + epsilon: epsilon$1, + zeta: zeta$1, + eta: eta$1, + theta: theta$1, + iota: iota$1, + kappa: kappa$1, + lambda: lambda$1, + mu: mu$1, + nu: nu$1, + xi: xi$1, + omicron: omicron$1, + pi: pi$1, + rho: rho$1, + sigmaf: sigmaf$1, + sigma: sigma$1, + tau: tau$1, + upsilon: upsilon$1, + phi: phi$1, + chi: chi$1, + psi: psi$1, + omega: omega$1, + thetasym: thetasym$1, + upsih: upsih$1, + piv: piv$1, + bull: bull$1, + hellip: hellip$1, + prime: prime$1, + Prime: Prime$1, + oline: oline$1, + frasl: frasl$1, + weierp: weierp$1, + image: image$2, + real: real$1, + trade: trade$1, + alefsym: alefsym$1, + larr: larr$1, + uarr: uarr$1, + rarr: rarr$1, + darr: darr$1, + harr: harr$1, + crarr: crarr$1, + lArr: lArr$1, + uArr: uArr$1, + rArr: rArr$1, + dArr: dArr$1, + hArr: hArr$1, + forall: forall$1, + part: part$1, + exist: exist$1, + empty: empty$1, + nabla: nabla$1, + isin: isin$1, + notin: notin$1, + ni: ni$1, + prod: prod$1, + sum: sum$1, + minus: minus$1, + lowast: lowast$1, + radic: radic$1, + prop: prop$1, + infin: infin$1, + ang: ang$1, + and: and$1, + or: or$1, + cap: cap$1, + cup: cup$1, + int: int$1, + there4: there4$1, + sim: sim$1, + cong: cong$1, + asymp: asymp$1, + ne: ne$1, + equiv: equiv$1, + le: le$1, + ge: ge$1, + sub: sub$1, + sup: sup$1, + nsub: nsub$1, + sube: sube$1, + supe: supe$1, + oplus: oplus$1, + otimes: otimes$1, + perp: perp$1, + sdot: sdot$1, + lceil: lceil$1, + rceil: rceil$1, + lfloor: lfloor$1, + rfloor: rfloor$1, + lang: lang$1, + rang: rang$1, + loz: loz$1, + spades: spades$1, + clubs: clubs$1, + hearts: hearts$1, + diams: diams$1, + quot: quot$2, + amp: amp$2, + lt: lt$2, + gt: gt$2, + OElig: OElig$1, + oelig: oelig$1, + Scaron: Scaron$1, + scaron: scaron$1, + Yuml: Yuml$1, + circ: circ$1, + tilde: tilde$3, + ensp: ensp$1, + emsp: emsp$1, + thinsp: thinsp$1, + zwnj: zwnj$1, + zwj: zwj$1, + lrm: lrm$1, + rlm: rlm$1, + ndash: ndash$1, + mdash: mdash$1, + lsquo: lsquo$1, + rsquo: rsquo$1, + sbquo: sbquo$1, + ldquo: ldquo$1, + rdquo: rdquo$1, + bdquo: bdquo$1, + dagger: dagger$1, + Dagger: Dagger$1, + permil: permil$1, + lsaquo: lsaquo$1, + rsaquo: rsaquo$1, + euro: euro$1, + 'default': index$4 +}); + +var dangerous = [ + "cent", + "copy", + "divide", + "gt", + "lt", + "not", + "para", + "times" +]; + +var dangerous$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': dangerous +}); + +var entities = getCjsExportFromNamespace(characterEntitiesHtml4); + +var dangerous$2 = getCjsExportFromNamespace(dangerous$1); + +var decimal$1 = isDecimal; + + + +var stringifyEntities = encode; +encode.escape = escape$2; + +var own$5 = {}.hasOwnProperty; + +// List of enforced escapes. +var escapes$1 = ['"', "'", '<', '>', '&', '`']; + +// Map of characters to names. +var characters = construct(); + +// Default escapes. +var defaultEscapes = toExpression(escapes$1); + +// Surrogate pairs. +var surrogatePair = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g; + +// Non-ASCII characters. +// eslint-disable-next-line no-control-regex, unicorn/no-hex-escape +var bmp = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g; + +// Encode special characters in `value`. +function encode(value, options) { + var settings = options || {}; + var subset = settings.subset; + var set = subset ? toExpression(subset) : defaultEscapes; + var escapeOnly = settings.escapeOnly; + var omit = settings.omitOptionalSemicolons; + + value = value.replace(set, replace); + + if (subset || escapeOnly) { + return value + } + + return value + .replace(surrogatePair, replaceSurrogatePair) + .replace(bmp, replace) + + function replaceSurrogatePair(pair, pos, val) { + return toHexReference( + (pair.charCodeAt(0) - 0xd800) * 0x400 + + pair.charCodeAt(1) - + 0xdc00 + + 0x10000, + val.charAt(pos + 2), + omit + ) + } + + function replace(char, pos, val) { + return one$1(char, val.charAt(pos + 1), settings) + } +} + +// Shortcut to escape special characters in HTML. +function escape$2(value) { + return encode(value, {escapeOnly: true, useNamedReferences: true}) +} + +// Encode `char` according to `options`. +function one$1(char, next, options) { + var shortest = options.useShortestReferences; + var omit = options.omitOptionalSemicolons; + var named; + var code; + var numeric; + var decimal; + + if ((shortest || options.useNamedReferences) && own$5.call(characters, char)) { + named = toNamed(characters[char], next, omit, options.attribute); + } + + if (shortest || !named) { + code = char.charCodeAt(0); + numeric = toHexReference(code, next, omit); + + // Use the shortest numeric reference when requested. + // A simple algorithm would use decimal for all code points under 100, as + // those are shorter than hexadecimal: + // + // * `c` vs `c` (decimal shorter) + // * `d` vs `d` (equal) + // + // However, because we take `next` into consideration when `omit` is used, + // And it would be possible that decimals are shorter on bigger values as + // well if `next` is hexadecimal but not decimal, we instead compare both. + if (shortest) { + decimal = toDecimalReference(code, next, omit); + + if (decimal.length < numeric.length) { + numeric = decimal; + } + } + } + + if (named && (!shortest || named.length < numeric.length)) { + return named + } + + return numeric +} + +// Transform `code` into an entity. +function toNamed(name, next, omit, attribute) { + var value = '&' + name; + + if ( + omit && + own$5.call(legacy, name) && + dangerous$2.indexOf(name) === -1 && + (!attribute || (next && next !== '=' && !isAlphanumerical(next))) + ) { + return value + } + + return value + ';' +} + +// Transform `code` into a hexadecimal character reference. +function toHexReference(code, next, omit) { + var value = '&#x' + code.toString(16).toUpperCase(); + return omit && next && !isHexadecimal(next) ? value : value + ';' +} + +// Transform `code` into a decimal character reference. +function toDecimalReference(code, next, omit) { + var value = '&#' + String(code); + return omit && next && !decimal$1(next) ? value : value + ';' +} + +// Create an expression for `characters`. +function toExpression(characters) { + return new RegExp('[' + characters.join('') + ']', 'g') +} + +// Construct the map. +function construct() { + var chars = {}; + var name; + + for (name in entities) { + chars[entities[name]] = name; + } + + return chars +} + +var isAlphanumeric = function (str) { + if (typeof str !== 'string') { + throw new TypeError('Expected a string'); + } + + return !/[^0-9a-z\xDF-\xFF]/.test(str.toLowerCase()); +}; + +var entityPrefixLength = length; + +var ampersand$1 = '&'; + +// Returns the length of HTML entity that is a prefix of the given string +// (excluding the ampersand), 0 if it does not start with an entity. +function length(value) { + var prefix; + + /* istanbul ignore if - Currently also tested for at implemention, but we + * keep it here because that’s proper. */ + if (value.charAt(0) !== ampersand$1) { + return 0 + } + + prefix = value.split(ampersand$1, 2).join(ampersand$1); + + return prefix.length - parseEntities_1(prefix).length +} + +var _escape$2 = factory$6; + +var tab$f = '\t'; +var lineFeed$k = '\n'; +var space$i = ' '; +var numberSign$2 = '#'; +var ampersand$2 = '&'; +var leftParenthesis$3 = '('; +var rightParenthesis$4 = ')'; +var asterisk$4 = '*'; +var plusSign$1 = '+'; +var dash$5 = '-'; +var dot$3 = '.'; +var colon$5 = ':'; +var lessThan$7 = '<'; +var greaterThan$4 = '>'; +var leftSquareBracket$5 = '['; +var backslash$a = '\\'; +var rightSquareBracket$5 = ']'; +var underscore$4 = '_'; +var graveAccent$3 = '`'; +var verticalBar$1 = '|'; +var tilde$4 = '~'; +var exclamationMark$4 = '!'; + +var entities$1 = { + '<': '<', + ':': ':', + '&': '&', + '|': '|', + '~': '~' +}; + +var shortcut$1 = 'shortcut'; +var mailto$2 = 'mailto'; +var https$1 = 'https'; +var http$1 = 'http'; + +var blankExpression = /\n\s*$/; + +// Factory to escape characters. +function factory$6(options) { + return escape + + // Escape punctuation characters in a node’s value. + function escape(value, node, parent) { + var self = this; + var gfm = options.gfm; + var commonmark = options.commonmark; + var pedantic = options.pedantic; + var markers = commonmark ? [dot$3, rightParenthesis$4] : [dot$3]; + var siblings = parent && parent.children; + var index = siblings && siblings.indexOf(node); + var prev = siblings && siblings[index - 1]; + var next = siblings && siblings[index + 1]; + var length = value.length; + var escapable = markdownEscapes(options); + var position = -1; + var queue = []; + var escaped = queue; + var afterNewLine; + var character; + var wordCharBefore; + var wordCharAfter; + var offset; + var replace; + + if (prev) { + afterNewLine = text$1(prev) && blankExpression.test(prev.value); + } else { + afterNewLine = + !parent || parent.type === 'root' || parent.type === 'paragraph'; + } + + while (++position < length) { + character = value.charAt(position); + replace = false; + + if (character === '\n') { + afterNewLine = true; + } else if ( + character === backslash$a || + character === graveAccent$3 || + character === asterisk$4 || + character === leftSquareBracket$5 || + character === lessThan$7 || + (character === ampersand$2 && entityPrefixLength(value.slice(position)) > 0) || + (character === rightSquareBracket$5 && self.inLink) || + (gfm && character === tilde$4 && value.charAt(position + 1) === tilde$4) || + (gfm && + character === verticalBar$1 && + (self.inTable || alignment(value, position))) || + (character === underscore$4 && + // Delegate leading/trailing underscores to the multinode version below. + position > 0 && + position < length - 1 && + (pedantic || + !isAlphanumeric(value.charAt(position - 1)) || + !isAlphanumeric(value.charAt(position + 1)))) || + (gfm && !self.inLink && character === colon$5 && protocol(queue.join(''))) + ) { + replace = true; + } else if (afterNewLine) { + if ( + character === greaterThan$4 || + character === numberSign$2 || + character === asterisk$4 || + character === dash$5 || + character === plusSign$1 + ) { + replace = true; + } else if (isDecimal(character)) { + offset = position + 1; + + while (offset < length) { + if (!isDecimal(value.charAt(offset))) { + break + } + + offset++; + } + + if (markers.indexOf(value.charAt(offset)) !== -1) { + next = value.charAt(offset + 1); + + if (!next || next === space$i || next === tab$f || next === lineFeed$k) { + queue.push(value.slice(position, offset)); + position = offset; + character = value.charAt(position); + replace = true; + } + } + } + } + + if (afterNewLine && !isWhitespaceCharacter(character)) { + afterNewLine = false; + } + + queue.push(replace ? one(character) : character); + } + + // Multi-node versions. + if (siblings && text$1(node)) { + // Check for an opening parentheses after a link-reference (which can be + // joined by white-space). + if (prev && prev.referenceType === shortcut$1) { + position = -1; + length = escaped.length; + + while (++position < length) { + character = escaped[position]; + + if (character === space$i || character === tab$f) { + continue + } + + if (character === leftParenthesis$3 || character === colon$5) { + escaped[position] = one(character); + } + + break + } + + // If the current node is all spaces / tabs, preceded by a shortcut, + // and followed by a text starting with `(`, escape it. + if ( + text$1(next) && + position === length && + next.value.charAt(0) === leftParenthesis$3 + ) { + escaped.push(backslash$a); + } + } + + // Ensure non-auto-links are not seen as links. This pattern needs to + // check the preceding nodes too. + if ( + gfm && + !self.inLink && + text$1(prev) && + value.charAt(0) === colon$5 && + protocol(prev.value.slice(-6)) + ) { + escaped[0] = one(colon$5); + } + + // Escape ampersand if it would otherwise start an entity. + if ( + text$1(next) && + value.charAt(length - 1) === ampersand$2 && + entityPrefixLength(ampersand$2 + next.value) !== 0 + ) { + escaped[escaped.length - 1] = one(ampersand$2); + } + + // Escape exclamation marks immediately followed by links. + if ( + next && + next.type === 'link' && + value.charAt(length - 1) === exclamationMark$4 + ) { + escaped[escaped.length - 1] = one(exclamationMark$4); + } + + // Escape double tildes in GFM. + if ( + gfm && + text$1(next) && + value.charAt(length - 1) === tilde$4 && + next.value.charAt(0) === tilde$4 + ) { + escaped.splice(escaped.length - 1, 0, backslash$a); + } + + // Escape underscores, but not mid-word (unless in pedantic mode). + wordCharBefore = text$1(prev) && isAlphanumeric(prev.value.slice(-1)); + wordCharAfter = text$1(next) && isAlphanumeric(next.value.charAt(0)); + + if (length === 1) { + if ( + value === underscore$4 && + (pedantic || !wordCharBefore || !wordCharAfter) + ) { + escaped.unshift(backslash$a); + } + } else { + if ( + value.charAt(0) === underscore$4 && + (pedantic || !wordCharBefore || !isAlphanumeric(value.charAt(1))) + ) { + escaped.unshift(backslash$a); + } + + if ( + value.charAt(length - 1) === underscore$4 && + (pedantic || + !wordCharAfter || + !isAlphanumeric(value.charAt(length - 2))) + ) { + escaped.splice(escaped.length - 1, 0, backslash$a); + } + } + } + + return escaped.join('') + + function one(character) { + return escapable.indexOf(character) === -1 + ? entities$1[character] + : backslash$a + character + } + } +} + +// Check if `index` in `value` is inside an alignment row. +function alignment(value, index) { + var start = value.lastIndexOf(lineFeed$k, index); + var end = value.indexOf(lineFeed$k, index); + var char; + + end = end === -1 ? value.length : end; + + while (++start < end) { + char = value.charAt(start); + + if ( + char !== colon$5 && + char !== dash$5 && + char !== space$i && + char !== verticalBar$1 + ) { + return false + } + } + + return true +} + +// Check if `node` is a text node. +function text$1(node) { + return node && node.type === 'text' +} + +// Check if `value` ends in a protocol. +function protocol(value) { + var val = value.slice(-6).toLowerCase(); + return val === mailto$2 || val.slice(-5) === https$1 || val.slice(-4) === http$1 +} + +var setOptions_1$1 = setOptions$1; + +// Map of applicable enums. +var maps = { + entities: {true: true, false: true, numbers: true, escape: true}, + bullet: {'*': true, '-': true, '+': true}, + rule: {'-': true, _: true, '*': true}, + listItemIndent: {tab: true, mixed: true, 1: true}, + emphasis: {_: true, '*': true}, + strong: {_: true, '*': true}, + fence: {'`': true, '~': true} +}; + +// Expose `validate`. +var validate = { + boolean: validateBoolean, + string: validateString, + number: validateNumber, + function: validateFunction +}; + +// Set options. Does not overwrite previously set options. +function setOptions$1(options) { + var self = this; + var current = self.options; + var ruleRepetition; + var key; + + if (options == null) { + options = {}; + } else if (typeof options === 'object') { + options = immutable(options); + } else { + throw new Error('Invalid value `' + options + '` for setting `options`') + } + + for (key in defaults$3) { + validate[typeof defaults$3[key]](options, key, current[key], maps[key]); + } + + ruleRepetition = options.ruleRepetition; + + if (ruleRepetition && ruleRepetition < 3) { + raise(ruleRepetition, 'options.ruleRepetition'); + } + + self.encode = encodeFactory(String(options.entities)); + self.escape = _escape$2(options); + + self.options = options; + + return self +} + +// Validate a value to be boolean. Defaults to `def`. Raises an exception with +// `context[name]` when not a boolean. +function validateBoolean(context, name, def) { + var value = context[name]; + + if (value == null) { + value = def; + } + + if (typeof value !== 'boolean') { + raise(value, 'options.' + name); + } + + context[name] = value; +} + +// Validate a value to be boolean. Defaults to `def`. Raises an exception with +// `context[name]` when not a boolean. +function validateNumber(context, name, def) { + var value = context[name]; + + if (value == null) { + value = def; + } + + if (isNaN(value)) { + raise(value, 'options.' + name); + } + + context[name] = value; +} + +// Validate a value to be in `map`. Defaults to `def`. Raises an exception +// with `context[name]` when not in `map`. +function validateString(context, name, def, map) { + var value = context[name]; + + if (value == null) { + value = def; + } + + value = String(value); + + if (!(value in map)) { + raise(value, 'options.' + name); + } + + context[name] = value; +} + +// Validate a value to be function. Defaults to `def`. Raises an exception +// with `context[name]` when not a function. +function validateFunction(context, name, def) { + var value = context[name]; + + if (value == null) { + value = def; + } + + if (typeof value !== 'function') { + raise(value, 'options.' + name); + } + + context[name] = value; +} + +// Factory to encode HTML entities. Creates a no-operation function when +// `type` is `'false'`, a function which encodes using named references when +// `type` is `'true'`, and a function which encodes using numbered references +// when `type` is `'numbers'`. +function encodeFactory(type) { + var options = {}; + + if (type === 'false') { + return identity_1 + } + + if (type === 'true') { + options.useNamedReferences = true; + } + + if (type === 'escape') { + options.escapeOnly = true; + options.useNamedReferences = true; + } + + return wrapped + + // Encode HTML entities using the bound options. + function wrapped(value) { + return stringifyEntities(value, options) + } +} + +// Throw an exception with in its `message` `value` and `name`. +function raise(value, name) { + throw new Error('Invalid value `' + value + '` for setting `' + name + '`') +} + +var mdastUtilCompact = compact; + +// Make an mdast tree compact by merging adjacent text nodes. +function compact(tree, commonmark) { + unistUtilVisit(tree, visitor); + + return tree + + function visitor(child, index, parent) { + var siblings = parent ? parent.children : []; + var prev = index && siblings[index - 1]; + + if ( + prev && + child.type === prev.type && + mergeable$1(prev, commonmark) && + mergeable$1(child, commonmark) + ) { + if (child.value) { + prev.value += child.value; + } + + if (child.children) { + prev.children = prev.children.concat(child.children); + } + + siblings.splice(index, 1); + + if (prev.position && child.position) { + prev.position.end = child.position.end; + } + + return index + } + } +} + +function mergeable$1(node, commonmark) { + var start; + var end; + + if (node.type === 'text') { + if (!node.position) { + return true + } + + start = node.position.start; + end = node.position.end; + + // Only merge nodes which occupy the same size as their `value`. + return ( + start.line !== end.line || end.column - start.column === node.value.length + ) + } + + return commonmark && node.type === 'blockquote' +} + +var compile_1$1 = compile$3; + +// Stringify the given tree. +function compile$3() { + return this.visit(mdastUtilCompact(this.tree, this.options.commonmark)) +} + +var one_1 = one$2; + +function one$2(node, parent) { + var self = this; + var visitors = self.visitors; + + // Fail on unknown nodes. + if (typeof visitors[node.type] !== 'function') { + self.file.fail( + new Error( + 'Missing compiler for node of type `' + node.type + '`: `' + node + '`' + ), + node + ); + } + + return visitors[node.type].call(self, node, parent) +} + +var all_1 = all; + +// Visit all children of `parent`. +function all(parent) { + var self = this; + var children = parent.children; + var length = children.length; + var results = []; + var index = -1; + + while (++index < length) { + results[index] = self.visit(children[index], parent); + } + + return results +} + +var block_1 = block$1; + +var lineFeed$l = '\n'; + +var blank$1 = lineFeed$l + lineFeed$l; +var triple = blank$1 + lineFeed$l; +var comment$1 = blank$1 + '' + blank$1; + +// Stringify a block node with block children (e.g., `root` or `blockquote`). +// Knows about code following a list, or adjacent lists with similar bullets, +// and places an extra line feed between them. +function block$1(node) { + var self = this; + var options = self.options; + var fences = options.fences; + var gap = options.commonmark ? comment$1 : triple; + var values = []; + var children = node.children; + var length = children.length; + var index = -1; + var prev; + var child; + + while (++index < length) { + prev = child; + child = children[index]; + + if (prev) { + // A list preceding another list that are equally ordered, or a + // list preceding an indented code block, need a gap between them, + // so as not to see them as one list, or content of the list, + // respectively. + // + // In commonmark, only something that breaks both up can do that, + // so we opt for an empty, invisible comment. In other flavours, + // two blank lines are fine. + if ( + prev.type === 'list' && + ((child.type === 'list' && prev.ordered === child.ordered) || + (child.type === 'code' && !child.lang && !fences)) + ) { + values.push(gap); + } else { + values.push(blank$1); + } + } + + values.push(self.visit(child, node)); + } + + return values.join('') +} + +var orderedItems_1 = orderedItems; + +var lineFeed$m = '\n'; +var dot$4 = '.'; + +var blank$2 = lineFeed$m + lineFeed$m; + +// Visit ordered list items. +// +// Starts the list with +// `node.start` and increments each following list item +// bullet by one: +// +// 2. foo +// 3. bar +// +// In `incrementListMarker: false` mode, does not increment +// each marker and stays on `node.start`: +// +// 1. foo +// 1. bar +function orderedItems(node) { + var self = this; + var fn = self.visitors.listItem; + var increment = self.options.incrementListMarker; + var values = []; + var start = node.start; + var children = node.children; + var length = children.length; + var index = -1; + var bullet; + + start = start == null ? 1 : start; + + while (++index < length) { + bullet = (increment ? start + index : start) + dot$4; + values[index] = fn.call(self, children[index], node, index, bullet); + } + + return values.join(node.spread ? blank$2 : lineFeed$m) +} + +var unorderedItems_1 = unorderedItems; + +var lineFeed$n = '\n'; + +var blank$3 = lineFeed$n + lineFeed$n; + +// Visit unordered list items. Uses `options.bullet` as each item’s bullet. +function unorderedItems(node) { + var self = this; + var bullet = self.options.bullet; + var fn = self.visitors.listItem; + var children = node.children; + var length = children.length; + var index = -1; + var values = []; + + while (++index < length) { + values[index] = fn.call(self, children[index], node, index, bullet); + } + + return values.join(node.spread ? blank$3 : lineFeed$n) +} + +var root_1 = root$1; + +var lineFeed$o = '\n'; + +// Stringify a root. +// Adds a final newline to ensure valid POSIX files. */ +function root$1(node) { + var doc = this.block(node); + + if (doc.charAt(doc.length - 1) !== lineFeed$o) { + doc += lineFeed$o; + } + + return doc +} + +var text_1$1 = text$2; + +// Stringify text. +// Supports named entities in `settings.encode: true` mode: +// +// ```markdown +// AT&T +// ``` +// +// Supports numbered entities in `settings.encode: numbers` mode: +// +// ```markdown +// AT&T +// ``` +function text$2(node, parent) { + return this.encode(this.escape(node.value, node, parent), node) +} + +var heading_1 = heading; + +var lineFeed$p = '\n'; +var space$j = ' '; +var numberSign$3 = '#'; +var dash$6 = '-'; +var equalsTo$2 = '='; + +// Stringify a heading. +// +// In `setext: true` mode and when `depth` is smaller than three, creates a +// setext header: +// +// ```markdown +// Foo +// === +// ``` +// +// Otherwise, an ATX header is generated: +// +// ```markdown +// ### Foo +// ``` +// +// In `closeAtx: true` mode, the header is closed with hashes: +// +// ```markdown +// ### Foo ### +// ``` +function heading(node) { + var self = this; + var depth = node.depth; + var setext = self.options.setext; + var closeAtx = self.options.closeAtx; + var content = self.all(node).join(''); + var prefix; + + if (setext && depth < 3) { + return ( + content + lineFeed$p + repeatString(depth === 1 ? equalsTo$2 : dash$6, content.length) + ) + } + + prefix = repeatString(numberSign$3, node.depth); + + return prefix + space$j + content + (closeAtx ? space$j + prefix : '') +} + +var paragraph_1$1 = paragraph$1; + +function paragraph$1(node) { + return this.all(node).join('') +} + +var blockquote_1$1 = blockquote$1; + +var lineFeed$q = '\n'; +var space$k = ' '; +var greaterThan$5 = '>'; + +function blockquote$1(node) { + var values = this.block(node).split(lineFeed$q); + var result = []; + var length = values.length; + var index = -1; + var value; + + while (++index < length) { + value = values[index]; + result[index] = (value ? space$k : '') + value; + } + + return greaterThan$5 + result.join(lineFeed$q + greaterThan$5) +} + +var list_1$1 = list$1; + +function list$1(node) { + var fn = node.ordered ? this.visitOrderedItems : this.visitUnorderedItems; + return fn.call(this, node) +} + +var pad_1 = pad$1; + +var lineFeed$r = '\n'; +var space$l = ' '; + +var tabSize$5 = 4; + +// Pad `value` with `level * tabSize` spaces. Respects lines. Ignores empty +// lines. +function pad$1(value, level) { + var values = value.split(lineFeed$r); + var index = values.length; + var padding = repeatString(space$l, level * tabSize$5); + + while (index--) { + if (values[index].length !== 0) { + values[index] = padding + values[index]; + } + } + + return values.join(lineFeed$r) +} + +var listItem_1 = listItem$1; + +var lineFeed$s = '\n'; +var space$m = ' '; +var leftSquareBracket$6 = '['; +var rightSquareBracket$6 = ']'; +var lowercaseX$2 = 'x'; + +var ceil = Math.ceil; +var blank$4 = lineFeed$s + lineFeed$s; + +var tabSize$6 = 4; + +// Stringify a list item. +// +// Prefixes the content with a checked checkbox when `checked: true`: +// +// ```markdown +// [x] foo +// ``` +// +// Prefixes the content with an unchecked checkbox when `checked: false`: +// +// ```markdown +// [ ] foo +// ``` +function listItem$1(node, parent, position, bullet) { + var self = this; + var style = self.options.listItemIndent; + var marker = bullet || self.options.bullet; + var spread = node.spread == null ? true : node.spread; + var checked = node.checked; + var children = node.children; + var length = children.length; + var values = []; + var index = -1; + var value; + var indent; + var spacing; + + while (++index < length) { + values[index] = self.visit(children[index], node); + } + + value = values.join(spread ? blank$4 : lineFeed$s); + + if (typeof checked === 'boolean') { + // Note: I’d like to be able to only add the space between the check and + // the value, but unfortunately github does not support empty list-items + // with a checkbox :( + value = + leftSquareBracket$6 + + (checked ? lowercaseX$2 : space$m) + + rightSquareBracket$6 + + space$m + + value; + } + + if (style === '1' || (style === 'mixed' && value.indexOf(lineFeed$s) === -1)) { + indent = marker.length + 1; + spacing = space$m; + } else { + indent = ceil((marker.length + 1) / tabSize$6) * tabSize$6; + spacing = repeatString(space$m, indent - marker.length); + } + + return value + ? marker + spacing + pad_1(value, indent / tabSize$6).slice(indent) + : marker +} + +var longestStreak_1 = longestStreak; + +// Get the count of the longest repeating streak of `character` in `value`. +function longestStreak(value, character) { + var count = 0; + var maximum = 0; + var expected; + var index; + + if (typeof character !== 'string' || character.length !== 1) { + throw new Error('Expected character') + } + + value = String(value); + index = value.indexOf(character); + expected = index; + + while (index !== -1) { + count++; + + if (index === expected) { + if (count > maximum) { + maximum = count; + } + } else { + count = 1; + } + + expected = index + 1; + index = value.indexOf(character, expected); + } + + return maximum +} + +var inlineCode_1 = inlineCode$1; + +var graveAccentChar = '`'; +var lineFeed$t = 10; // '\n' +var space$n = 32; // ' ' +var graveAccent$4 = 96; // '`' + +// Stringify inline code. +// +// Knows about internal ticks (`\``), and ensures one more tick is used to +// enclose the inline code: +// +// ````markdown +// ```foo ``bar`` baz``` +// ```` +// +// Even knows about inital and final ticks: +// +// ``markdown +// `` `foo `` +// `` foo` `` +// ``` +function inlineCode$1(node) { + var value = node.value; + var ticks = repeatString(graveAccentChar, longestStreak_1(value, graveAccentChar) + 1); + var start = ticks; + var end = ticks; + var head = value.charCodeAt(0); + var tail = value.charCodeAt(value.length - 1); + var wrap = false; + var index; + var length; + + if (head === graveAccent$4 || tail === graveAccent$4) { + wrap = true; + } else if (value.length > 2 && ws(head) && ws(tail)) { + index = 1; + length = value.length - 1; + + while (++index < length) { + if (!ws(value.charCodeAt(index))) { + wrap = true; + break + } + } + } + + if (wrap) { + start += ' '; + end = ' ' + end; + } + + return start + value + end +} + +function ws(code) { + return code === lineFeed$t || code === space$n +} + +var code_1 = code; + +var lineFeed$u = '\n'; +var space$o = ' '; +var tilde$5 = '~'; +var graveAccent$5 = '`'; + +// Stringify code. +// Creates indented code when: +// +// - No language tag exists +// - Not in `fences: true` mode +// - A non-empty value exists +// +// Otherwise, GFM fenced code is created: +// +// ````markdown +// ```js +// foo(); +// ``` +// ```` +// +// When in ``fence: `~` `` mode, uses tildes as fences: +// +// ```markdown +// ~~~js +// foo(); +// ~~~ +// ``` +// +// Knows about internal fences: +// +// `````markdown +// ````markdown +// ```javascript +// foo(); +// ``` +// ```` +// ````` +function code(node, parent) { + var self = this; + var value = node.value; + var options = self.options; + var marker = options.fence; + var info = node.lang || ''; + var fence; + + if (info && node.meta) { + info += space$o + node.meta; + } + + info = self.encode(self.escape(info, node)); + + // Without (needed) fences. + if ( + !info && + !options.fences && + value && + value.charAt(0) !== lineFeed$u && + value.charAt(value.length - 1) !== lineFeed$u + ) { + // Throw when pedantic, in a list item which isn’t compiled using a tab. + if ( + parent && + parent.type === 'listItem' && + options.listItemIndent !== 'tab' && + options.pedantic + ) { + self.file.fail( + 'Cannot indent code properly. See https://git.io/fxKR8', + node.position + ); + } + + return pad_1(value, 1) + } + + // Backticks in the info string don’t work with backtick fenced code. + // Backticks (and tildes) are fine in tilde fenced code. + if (marker === graveAccent$5 && info.indexOf(graveAccent$5) !== -1) { + marker = tilde$5; + } + + fence = repeatString(marker, Math.max(longestStreak_1(value, marker) + 1, 3)); + + return fence + info + lineFeed$u + value + lineFeed$u + fence +} + +var html_1 = html$1; + +function html$1(node) { + return node.value +} + +var thematicBreak$1 = thematic; + +var space$p = ' '; + +// Stringify a `thematic-break`. +// The character used is configurable through `rule`: (`'_'`): +// +// ```markdown +// ___ +// ``` +// +// The number of repititions is defined through `ruleRepetition` (`6`): +// +// ```markdown +// ****** +// ``` +// +// Whether spaces delimit each character, is configured through `ruleSpaces` +// (`true`): +// ```markdown +// * * * +// ``` +function thematic() { + var options = this.options; + var rule = repeatString(options.rule, options.ruleRepetition); + return options.ruleSpaces ? rule.split('').join(space$p) : rule +} + +var strong_1$1 = strong$2; + +// Stringify a `strong`. +// +// The marker used is configurable by `strong`, which defaults to an asterisk +// (`'*'`) but also accepts an underscore (`'_'`): +// +// ```markdown +// __foo__ +// ``` +function strong$2(node) { + var marker = repeatString(this.options.strong, 2); + return marker + this.all(node).join('') + marker +} + +var emphasis_1$1 = emphasis$2; + +var underscore$5 = '_'; +var asterisk$5 = '*'; + +// Stringify an `emphasis`. +// +// The marker used is configurable through `emphasis`, which defaults to an +// underscore (`'_'`) but also accepts an asterisk (`'*'`): +// +// ```markdown +// *foo* +// ``` +// +// In `pedantic` mode, text which itself contains an underscore will cause the +// marker to default to an asterisk instead: +// +// ```markdown +// *foo_bar* +// ``` +function emphasis$2(node) { + var marker = this.options.emphasis; + var content = this.all(node).join(''); + + // When in pedantic mode, prevent using underscore as the marker when there + // are underscores in the content. + if ( + this.options.pedantic && + marker === underscore$5 && + content.indexOf(marker) !== -1 + ) { + marker = asterisk$5; + } + + return marker + content + marker +} + +var _break$2 = lineBreak; + +var backslash$b = '\\'; +var lineFeed$v = '\n'; +var space$q = ' '; + +var commonmark$1 = backslash$b + lineFeed$v; +var normal = space$q + space$q + lineFeed$v; + +function lineBreak() { + return this.options.commonmark ? commonmark$1 : normal +} + +var _delete$2 = strikethrough$1; + +var tilde$6 = '~'; + +var fence$1 = tilde$6 + tilde$6; + +function strikethrough$1(node) { + return fence$1 + this.all(node).join('') + fence$1 +} + +var ccount_1 = ccount; + +function ccount(value, character) { + var count = 0; + var index; + + value = String(value); + + if (typeof character !== 'string' || character.length !== 1) { + throw new Error('Expected character') + } + + index = value.indexOf(character); + + while (index !== -1) { + count++; + index = value.indexOf(character, index + 1); + } + + return count +} + +var encloseUri = enclose; + +var leftParenthesis$4 = '('; +var rightParenthesis$5 = ')'; +var lessThan$8 = '<'; +var greaterThan$6 = '>'; + +var expression = /\s/; + +// Wrap `url` in angle brackets when needed, or when +// forced. +// In links, images, and definitions, the URL part needs +// to be enclosed when it: +// +// - has a length of `0` +// - contains white-space +// - has more or less opening than closing parentheses +function enclose(uri, always) { + if ( + always || + uri.length === 0 || + expression.test(uri) || + ccount_1(uri, leftParenthesis$4) !== ccount_1(uri, rightParenthesis$5) + ) { + return lessThan$8 + uri + greaterThan$6 + } + + return uri +} + +var encloseTitle = enclose$1; + +var quotationMark$3 = '"'; +var apostrophe$3 = "'"; + +// There is currently no way to support nested delimiters across Markdown.pl, +// CommonMark, and GitHub (RedCarpet). The following code supports Markdown.pl +// and GitHub. +// CommonMark is not supported when mixing double- and single quotes inside a +// title. +function enclose$1(title) { + var delimiter = + title.indexOf(quotationMark$3) === -1 ? quotationMark$3 : apostrophe$3; + return delimiter + title + delimiter +} + +var link_1$1 = link$4; + +var space$r = ' '; +var leftSquareBracket$7 = '['; +var rightSquareBracket$7 = ']'; +var leftParenthesis$5 = '('; +var rightParenthesis$6 = ')'; + +// Expression for a protocol: +// See . +var protocol$1 = /^[a-z][a-z+.-]+:\/?/i; + +// Stringify a link. +// +// When no title exists, the compiled `children` equal `url`, and `url` starts +// with a protocol, an auto link is created: +// +// ```markdown +// +// ``` +// +// Otherwise, is smart about enclosing `url` (see `encloseURI()`) and `title` +// (see `encloseTitle()`). +// ``` +// +// ```markdown +// [foo]( 'An "example" e-mail') +// ``` +// +// Supports named entities in the `url` and `title` when in `settings.encode` +// mode. +function link$4(node) { + var self = this; + var content = self.encode(node.url || '', node); + var exit = self.enterLink(); + var escaped = self.encode(self.escape(node.url || '', node)); + var value = self.all(node).join(''); + + exit(); + + if (node.title == null && protocol$1.test(content) && escaped === value) { + // Backslash escapes do not work in autolinks, so we do not escape. + return encloseUri(self.encode(node.url), true) + } + + content = encloseUri(content); + + if (node.title) { + content += space$r + encloseTitle(self.encode(self.escape(node.title, node), node)); + } + + return ( + leftSquareBracket$7 + + value + + rightSquareBracket$7 + + leftParenthesis$5 + + content + + rightParenthesis$6 + ) +} + +var copyIdentifierEncoding = copy$4; + +var ampersand$3 = '&'; + +var punctuationExppresion = /[-!"#$%&'()*+,./:;<=>?@[\\\]^`{|}~_]/; + +// For shortcut and collapsed reference links, the contents is also an +// identifier, so we need to restore the original encoding and escaping +// that were present in the source string. +// +// This function takes the unescaped & unencoded value from shortcut’s +// child nodes and the identifier and encodes the former according to +// the latter. +function copy$4(value, identifier) { + var length = value.length; + var count = identifier.length; + var result = []; + var position = 0; + var index = 0; + var start; + + while (index < length) { + // Take next non-punctuation characters from `value`. + start = index; + + while (index < length && !punctuationExppresion.test(value.charAt(index))) { + index += 1; + } + + result.push(value.slice(start, index)); + + // Advance `position` to the next punctuation character. + while ( + position < count && + !punctuationExppresion.test(identifier.charAt(position)) + ) { + position += 1; + } + + // Take next punctuation characters from `identifier`. + start = position; + + while ( + position < count && + punctuationExppresion.test(identifier.charAt(position)) + ) { + if (identifier.charAt(position) === ampersand$3) { + position += entityPrefixLength(identifier.slice(position)); + } + + position += 1; + } + + result.push(identifier.slice(start, position)); + + // Advance `index` to the next non-punctuation character. + while (index < length && punctuationExppresion.test(value.charAt(index))) { + index += 1; + } + } + + return result.join('') +} + +var label_1 = label; + +var leftSquareBracket$8 = '['; +var rightSquareBracket$8 = ']'; + +var shortcut$2 = 'shortcut'; +var collapsed$1 = 'collapsed'; + +// Stringify a reference label. +// Because link references are easily, mistakingly, created (for example, +// `[foo]`), reference nodes have an extra property depicting how it looked in +// the original document, so stringification can cause minimal changes. +function label(node) { + var type = node.referenceType; + + if (type === shortcut$2) { + return '' + } + + return ( + leftSquareBracket$8 + + (type === collapsed$1 ? '' : node.label || node.identifier) + + rightSquareBracket$8 + ) +} + +var linkReference_1 = linkReference; + +var leftSquareBracket$9 = '['; +var rightSquareBracket$9 = ']'; + +var shortcut$3 = 'shortcut'; +var collapsed$2 = 'collapsed'; + +function linkReference(node) { + var self = this; + var type = node.referenceType; + var exit = self.enterLinkReference(self, node); + var value = self.all(node).join(''); + + exit(); + + if (type === shortcut$3 || type === collapsed$2) { + value = copyIdentifierEncoding(value, node.label || node.identifier); + } + + return leftSquareBracket$9 + value + rightSquareBracket$9 + label_1(node) +} + +var imageReference_1 = imageReference; + +var leftSquareBracket$a = '['; +var rightSquareBracket$a = ']'; +var exclamationMark$5 = '!'; + +function imageReference(node) { + return ( + exclamationMark$5 + + leftSquareBracket$a + + (this.encode(node.alt, node) || '') + + rightSquareBracket$a + + label_1(node) + ) +} + +var definition_1$1 = definition$1; + +var space$s = ' '; +var colon$6 = ':'; +var leftSquareBracket$b = '['; +var rightSquareBracket$b = ']'; + +// Stringify an URL definition. +// +// Is smart about enclosing `url` (see `encloseURI()`) and `title` (see +// `encloseTitle()`). +// +// ```markdown +// [foo]: 'An "example" e-mail' +// ``` +function definition$1(node) { + var content = encloseUri(node.url); + + if (node.title) { + content += space$s + encloseTitle(node.title); + } + + return ( + leftSquareBracket$b + + (node.label || node.identifier) + + rightSquareBracket$b + + colon$6 + + space$s + + content + ) +} + +var image_1 = image$3; + +var space$t = ' '; +var leftParenthesis$6 = '('; +var rightParenthesis$7 = ')'; +var leftSquareBracket$c = '['; +var rightSquareBracket$c = ']'; +var exclamationMark$6 = '!'; + +// Stringify an image. +// +// Is smart about enclosing `url` (see `encloseURI()`) and `title` (see +// `encloseTitle()`). +// +// ```markdown +// ![foo]( 'My "favourite" icon') +// ``` +// +// Supports named entities in `url`, `alt`, and `title` when in +// `settings.encode` mode. +function image$3(node) { + var self = this; + var content = encloseUri(self.encode(node.url || '', node)); + var exit = self.enterLink(); + var alt = self.encode(self.escape(node.alt || '', node)); + + exit(); + + if (node.title) { + content += space$t + encloseTitle(self.encode(node.title, node)); + } + + return ( + exclamationMark$6 + + leftSquareBracket$c + + alt + + rightSquareBracket$c + + leftParenthesis$6 + + content + + rightParenthesis$7 + ) +} + +var footnote_1 = footnote$1; + +var leftSquareBracket$d = '['; +var rightSquareBracket$d = ']'; +var caret$3 = '^'; + +function footnote$1(node) { + return ( + leftSquareBracket$d + caret$3 + this.all(node).join('') + rightSquareBracket$d + ) +} + +var footnoteReference_1 = footnoteReference; + +var leftSquareBracket$e = '['; +var rightSquareBracket$e = ']'; +var caret$4 = '^'; + +function footnoteReference(node) { + return ( + leftSquareBracket$e + + caret$4 + + (node.label || node.identifier) + + rightSquareBracket$e + ) +} + +var lineFeed$w = '\n'; +var space$u = ' '; +var colon$7 = ':'; +var leftSquareBracket$f = '['; +var rightSquareBracket$f = ']'; +var caret$5 = '^'; + +var tabSize$7 = 4; +var blank$5 = lineFeed$w + lineFeed$w; +var indent = repeatString(space$u, tabSize$7); + +var footnoteDefinition_1$1 = footnoteDefinition$1; + +function footnoteDefinition$1(node) { + var content = this.all(node).join(blank$5 + indent); + + return ( + leftSquareBracket$f + + caret$5 + + (node.label || node.identifier) + + rightSquareBracket$f + + colon$7 + + space$u + + content + ) +} + +var markdownTable_1 = markdownTable; + +var dotRe = /\./; +var lastDotRe = /\.[^.]*$/; + +// Characters. +var space$v = ' '; +var lineFeed$x = '\n'; +var dash$7 = '-'; +var dot$5 = '.'; +var colon$8 = ':'; +var lowercaseC = 'c'; +var lowercaseL = 'l'; +var lowercaseR = 'r'; +var verticalBar$2 = '|'; + +var minCellSize = 3; + +// Create a table from a matrix of strings. +function markdownTable(table, options) { + var settings = options || {}; + var delimiter = settings.delimiter; + var start = settings.start; + var end = settings.end; + var alignment = settings.align; + var calculateStringLength = settings.stringLength || lengthNoop; + var cellCount = 0; + var rowIndex = -1; + var rowLength = table.length; + var sizes = []; + var align; + var rule; + var rows; + var row; + var cells; + var index; + var position; + var size; + var value; + var spacing; + var before; + var after; + + alignment = alignment ? alignment.concat() : []; + + if (delimiter === null || delimiter === undefined) { + delimiter = space$v + verticalBar$2 + space$v; + } + + if (start === null || start === undefined) { + start = verticalBar$2 + space$v; + } + + if (end === null || end === undefined) { + end = space$v + verticalBar$2; + } + + while (++rowIndex < rowLength) { + row = table[rowIndex]; + + index = -1; + + if (row.length > cellCount) { + cellCount = row.length; + } + + while (++index < cellCount) { + position = row[index] ? dotindex$1(row[index]) : null; + + if (!sizes[index]) { + sizes[index] = minCellSize; + } + + if (position > sizes[index]) { + sizes[index] = position; + } + } + } + + if (typeof alignment === 'string') { + alignment = pad$2(cellCount, alignment).split(''); + } + + // Make sure only valid alignments are used. + index = -1; + + while (++index < cellCount) { + align = alignment[index]; + + if (typeof align === 'string') { + align = align.charAt(0).toLowerCase(); + } + + if ( + align !== lowercaseL && + align !== lowercaseR && + align !== lowercaseC && + align !== dot$5 + ) { + align = ''; + } + + alignment[index] = align; + } + + rowIndex = -1; + rows = []; + + while (++rowIndex < rowLength) { + row = table[rowIndex]; + + index = -1; + cells = []; + + while (++index < cellCount) { + value = row[index]; + + value = stringify$6(value); + + if (alignment[index] === dot$5) { + position = dotindex$1(value); + + size = + sizes[index] + + (dotRe.test(value) ? 0 : 1) - + (calculateStringLength(value) - position); + + cells[index] = value + pad$2(size - 1); + } else { + cells[index] = value; + } + } + + rows[rowIndex] = cells; + } + + sizes = []; + rowIndex = -1; + + while (++rowIndex < rowLength) { + cells = rows[rowIndex]; + + index = -1; + + while (++index < cellCount) { + value = cells[index]; + + if (!sizes[index]) { + sizes[index] = minCellSize; + } + + size = calculateStringLength(value); + + if (size > sizes[index]) { + sizes[index] = size; + } + } + } + + rowIndex = -1; + + while (++rowIndex < rowLength) { + cells = rows[rowIndex]; + + index = -1; + + if (settings.pad !== false) { + while (++index < cellCount) { + value = cells[index]; + + position = sizes[index] - (calculateStringLength(value) || 0); + spacing = pad$2(position); + + if (alignment[index] === lowercaseR || alignment[index] === dot$5) { + value = spacing + value; + } else if (alignment[index] === lowercaseC) { + position /= 2; + + if (position % 1 === 0) { + before = position; + after = position; + } else { + before = position + 0.5; + after = position - 0.5; + } + + value = pad$2(before) + value + pad$2(after); + } else { + value += spacing; + } + + cells[index] = value; + } + } + + rows[rowIndex] = cells.join(delimiter); + } + + if (settings.rule !== false) { + index = -1; + rule = []; + + while (++index < cellCount) { + // When `pad` is false, make the rule the same size as the first row. + if (settings.pad === false) { + value = table[0][index]; + spacing = calculateStringLength(stringify$6(value)); + spacing = spacing > minCellSize ? spacing : minCellSize; + } else { + spacing = sizes[index]; + } + + align = alignment[index]; + + // When `align` is left, don't add colons. + value = align === lowercaseR || align === '' ? dash$7 : colon$8; + value += pad$2(spacing - 2, dash$7); + value += align !== lowercaseL && align !== '' ? colon$8 : dash$7; + + rule[index] = value; + } + + rows.splice(1, 0, rule.join(delimiter)); + } + + return start + rows.join(end + lineFeed$x + start) + end +} + +function stringify$6(value) { + return value === null || value === undefined ? '' : String(value) +} + +// Get the length of `value`. +function lengthNoop(value) { + return String(value).length +} + +// Get a string consisting of `length` `character`s. +function pad$2(length, character) { + return new Array(length + 1).join(character || space$v) +} + +// Get the position of the last dot in `value`. +function dotindex$1(value) { + var match = lastDotRe.exec(value); + + return match ? match.index + 1 : value.length +} + +var table_1$1 = table$1; + +var space$w = ' '; +var verticalBar$3 = '|'; + +// Stringify table. +// +// Creates a fenced table by default, but not in `looseTable: true` mode: +// +// ```markdown +// Foo | Bar +// :-: | --- +// Baz | Qux +// +// NOTE: Be careful with `looseTable: true` mode, as a loose table inside an +// indented code block on GitHub renders as an actual table! +// +// Creates a spaced table by default, but not in `spacedTable: false`: +// +// ```markdown +// |Foo|Bar| +// |:-:|---| +// |Baz|Qux| +// ``` +function table$1(node) { + var self = this; + var options = self.options; + var loose = options.looseTable; + var spaced = options.spacedTable; + var pad = options.paddedTable; + var stringLength = options.stringLength; + var rows = node.children; + var index = rows.length; + var exit = self.enterTable(); + var result = []; + var start; + var end; + + while (index--) { + result[index] = self.all(rows[index]); + } + + exit(); + + if (loose) { + start = ''; + end = ''; + } else if (spaced) { + start = verticalBar$3 + space$w; + end = space$w + verticalBar$3; + } else { + start = verticalBar$3; + end = verticalBar$3; + } + + return markdownTable_1(result, { + align: node.align, + pad: pad, + start: start, + end: end, + stringLength: stringLength, + delimiter: spaced ? space$w + verticalBar$3 + space$w : verticalBar$3 + }) +} + +var tableCell_1 = tableCell; + +var lineFeed$y = /\r?\n/g; + +function tableCell(node) { + return this.all(node) + .join('') + .replace(lineFeed$y, ' ') +} + +var compiler = Compiler; + +// Construct a new compiler. +function Compiler(tree, file) { + this.inLink = false; + this.inTable = false; + this.tree = tree; + this.file = file; + this.options = immutable(this.options); + this.setOptions({}); +} + +var proto$4 = Compiler.prototype; + +// Enter and exit helpers. */ +proto$4.enterLink = stateToggle('inLink', false); +proto$4.enterTable = stateToggle('inTable', false); +proto$4.enterLinkReference = enterLinkReference; + +// Configuration. +proto$4.options = defaults$3; +proto$4.setOptions = setOptions_1$1; + +proto$4.compile = compile_1$1; +proto$4.visit = one_1; +proto$4.all = all_1; +proto$4.block = block_1; +proto$4.visitOrderedItems = orderedItems_1; +proto$4.visitUnorderedItems = unorderedItems_1; + +// Expose visitors. +proto$4.visitors = { + root: root_1, + text: text_1$1, + heading: heading_1, + paragraph: paragraph_1$1, + blockquote: blockquote_1$1, + list: list_1$1, + listItem: listItem_1, + inlineCode: inlineCode_1, + code: code_1, + html: html_1, + thematicBreak: thematicBreak$1, + strong: strong_1$1, + emphasis: emphasis_1$1, + break: _break$2, + delete: _delete$2, + link: link_1$1, + linkReference: linkReference_1, + imageReference: imageReference_1, + definition: definition_1$1, + image: image_1, + footnote: footnote_1, + footnoteReference: footnoteReference_1, + footnoteDefinition: footnoteDefinition_1$1, + table: table_1$1, + tableCell: tableCell_1 +}; + +var remarkStringify = stringify$7; +stringify$7.Compiler = compiler; + +function stringify$7(options) { + var Local = unherit_1(compiler); + Local.prototype.options = immutable( + Local.prototype.options, + this.data('settings'), + options + ); + this.Compiler = Local; +} + +var remark = unified_1() + .use(remarkParse) + .use(remarkStringify) + .freeze(); + +const _from = "remark@^11.0.2"; +const _id = "remark@11.0.2"; +const _inBundle = false; +const _integrity = "sha512-bh+eJgn8wgmbHmIBOuwJFdTVRVpl3fcVP6HxmpPWO0ULGP9Qkh6INJh0N5Uy7GqlV7DQYGoqaKiEIpM5LLvJ8w=="; +const _location = "/remark"; +const _phantomChildren = { +}; +const _requested = { + type: "range", + registry: true, + raw: "remark@^11.0.2", + name: "remark", + escapedName: "remark", + rawSpec: "^11.0.2", + saveSpec: null, + fetchSpec: "^11.0.2" +}; +const _requiredBy = [ + "/" +]; +const _resolved = "https://registry.npmjs.org/remark/-/remark-11.0.2.tgz"; +const _shasum = "12b90ea100ac3362b1976fa87a6e4e0ab5968202"; +const _spec = "remark@^11.0.2"; +const _where = "/mnt/c/orgs/nodejs/node-runtime/tools/node-lint-md-cli-rollup"; +const author = { + name: "Titus Wormer", + email: "tituswormer@gmail.com", + url: "https://wooorm.com" +}; +const bugs = { + url: "https://github.com/remarkjs/remark/issues" +}; +const bundleDependencies = false; +const contributors = [ + { + name: "Titus Wormer", + email: "tituswormer@gmail.com", + url: "https://wooorm.com" + } +]; +const dependencies = { + "remark-parse": "^7.0.0", + "remark-stringify": "^7.0.0", + unified: "^8.2.0" +}; +const deprecated$1 = false; +const description = "Markdown processor powered by plugins"; +const files = [ + "index.js", + "types/index.d.ts" +]; +const funding = { + type: "opencollective", + url: "https://opencollective.com/unified" +}; +const homepage = "https://remark.js.org"; +const keywords = [ + "unified", + "remark", + "markdown", + "mdast", + "abstract", + "syntax", + "tree", + "ast", + "parse", + "stringify", + "process" +]; +const license = "MIT"; +const name$1 = "remark"; +const repository = { + type: "git", + url: "https://github.com/remarkjs/remark/tree/master/packages/remark" +}; +const scripts = { + test: "tape test.js" +}; +const types = "types/index.d.ts"; +const version$1 = "11.0.2"; +const xo = false; +var _package = { + _from: _from, + _id: _id, + _inBundle: _inBundle, + _integrity: _integrity, + _location: _location, + _phantomChildren: _phantomChildren, + _requested: _requested, + _requiredBy: _requiredBy, + _resolved: _resolved, + _shasum: _shasum, + _spec: _spec, + _where: _where, + author: author, + bugs: bugs, + bundleDependencies: bundleDependencies, + contributors: contributors, + dependencies: dependencies, + deprecated: deprecated$1, + description: description, + files: files, + funding: funding, + homepage: homepage, + keywords: keywords, + license: license, + name: name$1, + repository: repository, + scripts: scripts, + types: types, + version: version$1, + xo: xo +}; + +var _package$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + _from: _from, + _id: _id, + _inBundle: _inBundle, + _integrity: _integrity, + _location: _location, + _phantomChildren: _phantomChildren, + _requested: _requested, + _requiredBy: _requiredBy, + _resolved: _resolved, + _shasum: _shasum, + _spec: _spec, + _where: _where, + author: author, + bugs: bugs, + bundleDependencies: bundleDependencies, + contributors: contributors, + dependencies: dependencies, + deprecated: deprecated$1, + description: description, + files: files, + funding: funding, + homepage: homepage, + keywords: keywords, + license: license, + name: name$1, + repository: repository, + scripts: scripts, + types: types, + version: version$1, + xo: xo, + 'default': _package +}); + +const name$2 = "node-lint-md-cli-rollup"; +const description$1 = "remark packaged for Node.js Markdown linting"; +const version$2 = "2.0.2"; +const devDependencies = { + "@rollup/plugin-commonjs": "^11.0.1", + "@rollup/plugin-json": "^4.0.1", + "@rollup/plugin-node-resolve": "^7.0.0", + rollup: "^1.30.1", + shx: "^0.3.2" +}; +const dependencies$1 = { + "markdown-extensions": "^1.1.1", + remark: "^11.0.2", + "remark-lint": "^6.0.5", + "remark-preset-lint-node": "^1.12.0", + "unified-args": "^7.1.0" +}; +const main = "dist/index.js"; +const scripts$1 = { + build: "npx rollup -c", + "build-node": "npm run build && npx shx cp dist/index.js ../lint-md.js" +}; +var _package$2 = { + name: name$2, + description: description$1, + version: version$2, + devDependencies: devDependencies, + dependencies: dependencies$1, + main: main, + scripts: scripts$1 +}; + +var _package$3 = /*#__PURE__*/Object.freeze({ + __proto__: null, + name: name$2, + description: description$1, + version: version$2, + devDependencies: devDependencies, + dependencies: dependencies$1, + main: main, + scripts: scripts$1, + 'default': _package$2 +}); + +/* Map of allowed verbs. */ +var ALLOWED_VERBS = { + enable: true, + disable: true, + ignore: true +}; + +var unifiedMessageControl = messageControl; + +function messageControl(options) { + var name = options && options.name; + var marker = options && options.marker; + var test = options && options.test; + var sources; + var known; + var reset; + var enable; + var disable; + + if (!name) { + throw new Error('Expected `name` in `options`, got `' + name + '`') + } + + if (!marker) { + throw new Error('Expected `name` in `options`, got `' + name + '`') + } + + if (!test) { + throw new Error('Expected `test` in `options`, got `' + test + '`') + } + + known = options.known; + reset = options.reset; + enable = options.enable || []; + disable = options.disable || []; + sources = options.source; + + if (!sources) { + sources = [name]; + } else if (typeof sources === 'string') { + sources = [sources]; + } + + return transformer + + function transformer(tree, file) { + var toOffset = vfileLocation(file).toOffset; + var initial = !reset; + var gaps = detectGaps(tree, file); + var scope = {}; + var globals = []; + + unistUtilVisit(tree, test, visitor); + + file.messages = file.messages.filter(filter); + + function visitor(node, position, parent) { + var mark = marker(node); + var ruleIds; + var ruleId; + var verb; + var index; + var length; + var next; + var pos; + var tail; + + if (!mark || mark.name !== options.name) { + return + } + + ruleIds = mark.attributes.split(/\s/g); + verb = ruleIds.shift(); + next = parent.children[position + 1]; + pos = mark.node.position && mark.node.position.start; + tail = next && next.position && next.position.end; + + if (!verb || !ALLOWED_VERBS[verb] === true) { + file.fail( + 'Unknown keyword `' + + verb + + '`: expected ' + + "`'enable'`, `'disable'`, or `'ignore'`", + mark.node + ); + } + + length = ruleIds.length; + index = -1; + + while (++index < length) { + ruleId = ruleIds[index]; + + if (isKnown(ruleId, verb, mark.node)) { + toggle(pos, verb === 'enable', ruleId); + + if (verb === 'ignore') { + toggle(tail, true, ruleId); + } + } + } + + /* Apply to all rules. */ + if (!length) { + if (verb === 'ignore') { + toggle(pos, false); + toggle(tail, true); + } else { + toggle(pos, verb === 'enable'); + reset = verb !== 'enable'; + } + } + } + + function filter(message) { + var gapIndex = gaps.length; + var ruleId = message.ruleId; + var ranges = scope[ruleId]; + var pos; + + /* Keep messages from a different source. */ + if (!message.source || sources.indexOf(message.source) === -1) { + return true + } + + /* We only ignore messages if they‘re disabled, + * *not* when they’re not in the document. */ + if (!message.line) { + message.line = 1; + } + + if (!message.column) { + message.column = 1; + } + + /* Check whether the warning is inside a gap. */ + pos = toOffset(message); + + while (gapIndex--) { + if (gaps[gapIndex].start <= pos && gaps[gapIndex].end > pos) { + return false + } + } + + /* Check whether allowed by specific and global states. */ + return check(message, ranges, ruleId) && check(message, globals) + } + + /* Helper to check (and possibly warn) if a ruleId is unknown. */ + function isKnown(ruleId, verb, pos) { + var result = known ? known.indexOf(ruleId) !== -1 : true; + + if (!result) { + file.warn('Unknown rule: cannot ' + verb + " `'" + ruleId + "'`", pos); + } + + return result + } + + /* Get the latest state of a rule. When without `ruleId`, gets global state. */ + function getState(ruleId) { + var ranges = ruleId ? scope[ruleId] : globals; + + if (ranges && ranges.length !== 0) { + return ranges[ranges.length - 1].state + } + + if (!ruleId) { + return !reset + } + + if (reset) { + return enable.indexOf(ruleId) !== -1 + } + + return disable.indexOf(ruleId) === -1 + } + + /* Handle a rule. */ + function toggle(pos, state, ruleId) { + var markers = ruleId ? scope[ruleId] : globals; + var currentState; + var previousState; + + if (!markers) { + markers = []; + scope[ruleId] = markers; + } + + previousState = getState(ruleId); + currentState = state; + + if (currentState !== previousState) { + markers.push({state: currentState, position: pos}); + } + + /* Toggle all known rules. */ + if (!ruleId) { + for (ruleId in scope) { + toggle(pos, state, ruleId); + } + } + } + + /* Check all `ranges` for `message`. */ + function check(message, ranges, id) { + /* Check the state at the message's position. */ + var index = ranges && ranges.length; + var length = -1; + var range; + + while (--index > length) { + range = ranges[index]; + + /* istanbul ignore if - generated marker. */ + if (!range.position || !range.position.line || !range.position.column) { + continue + } + + if ( + range.position.line < message.line || + (range.position.line === message.line && + range.position.column < message.column) + ) { + return range.state === true + } + } + + /* The first marker ocurred after the first + * message, so we check the initial state. */ + if (!id) { + return initial || reset + } + + return reset ? enable.indexOf(id) !== -1 : disable.indexOf(id) === -1 + } + } +} + +/* Detect gaps in `ast`. */ +function detectGaps(tree, file) { + var lastNode = tree.children[tree.children.length - 1]; + var offset = 0; + var isGap = false; + var gaps = []; + + /* Find all gaps. */ + unistUtilVisit(tree, one); + + /* Get the end of the document. + * This detects if the last node was the last node. + * If not, there’s an extra gap between the last node + * and the end of the document. */ + if ( + lastNode && + lastNode.position && + lastNode.position.end && + offset === lastNode.position.end.offset && + trim_1(file.toString().slice(offset)) !== '' + ) { + update(); + + update( + tree && tree.position && tree.position.end && tree.position.end.offset - 1 + ); + } + + return gaps + + function one(node) { + var pos = node.position; + + update(pos && pos.start && pos.start.offset); + + if (!node.children) { + update(pos && pos.end && pos.end.offset); + } + } + + /* Detect a new position. */ + function update(latest) { + if (latest === null || latest === undefined) { + isGap = true; + return + } + + if (offset >= latest) { + return + } + + if (isGap) { + gaps.push({start: offset, end: latest}); + isGap = false; + } + + offset = latest; + } +} + +var mdastCommentMarker = marker$1; + +var whiteSpaceExpression = /\s+/g; + +var parametersExpression = /\s+([-a-z0-9_]+)(?:=(?:"((?:\\[\s\S]|[^"])+)"|'((?:\\[\s\S]|[^'])+)'|((?:\\[\s\S]|[^"'\s])+)))?/gi; + +var commentExpression = /\s*([a-zA-Z0-9-]+)(\s+([\s\S]*))?\s*/; + +var markerExpression = new RegExp( + '(\\s*\\s*)' +); + +// Parse a comment marker. +function marker$1(node) { + var type; + var value; + var match; + var params; + + if (!node) { + return null + } + + type = node.type; + + if (type !== 'html' && type !== 'comment') { + return null + } + + value = node.value; + match = value.match(type === 'comment' ? commentExpression : markerExpression); + + if (!match || match[0].length !== value.length) { + return null + } + + match = match.slice(node.type === 'comment' ? 1 : 2); + + params = parameters(match[1] || ''); + + if (!params) { + return null + } + + return { + name: match[0], + attributes: match[2] || '', + parameters: params, + node: node + } +} + +// Parse `value` into an object. +function parameters(value) { + var attributes = {}; + var rest = value.replace(parametersExpression, replacer); + + return rest.replace(whiteSpaceExpression, '') ? null : attributes + + /* eslint-disable max-params */ + function replacer($0, $1, $2, $3, $4) { + var result = $2 || $3 || $4 || ''; + + if (result === 'true' || result === '') { + result = true; + } else if (result === 'false') { + result = false; + } else if (!isNaN(result)) { + result = Number(result); + } + + attributes[$1] = result; + + return '' + } +} + +var remarkMessageControl = messageControl$1; + +var test = [ + 'html', // Comments are `html` nodes in mdast. + 'comment' // In MDX, comments have their own node. +]; + +function messageControl$1(options) { + return unifiedMessageControl(immutable({marker: mdastCommentMarker, test: test}, options)) +} + +var remarkLint = lint; + +// `remark-lint`. +// This adds support for ignoring stuff from messages (``). +// All rules are in their own packages and presets. +function lint() { + this.use(lintMessageControl); +} + +function lintMessageControl() { + return remarkMessageControl({name: 'lint', source: 'remark-lint'}) +} + +/** + * An Array.prototype.slice.call(arguments) alternative + * + * @param {Object} args something with a length + * @param {Number} slice + * @param {Number} sliceEnd + * @api public + */ + +var sliced = function (args, slice, sliceEnd) { + var ret = []; + var len = args.length; + + if (0 === len) return ret; + + var start = slice < 0 + ? Math.max(0, slice + len) + : slice || 0; + + if (sliceEnd !== undefined) { + len = sliceEnd < 0 + ? sliceEnd + len + : sliceEnd; + } + + while (len-- > start) { + ret[len - start] = args[len]; + } + + return ret; +}; + +/** + * slice() reference. + */ + +var slice$4 = Array.prototype.slice; + +/** + * Expose `co`. + */ + +var co_1 = co; + +/** + * Wrap the given generator `fn` and + * return a thunk. + * + * @param {Function} fn + * @return {Function} + * @api public + */ + +function co(fn) { + var isGenFun = isGeneratorFunction(fn); + + return function (done) { + var ctx = this; + + // in toThunk() below we invoke co() + // with a generator, so optimize for + // this case + var gen = fn; + + // we only need to parse the arguments + // if gen is a generator function. + if (isGenFun) { + var args = slice$4.call(arguments), len = args.length; + var hasCallback = len && 'function' == typeof args[len - 1]; + done = hasCallback ? args.pop() : error; + gen = fn.apply(this, args); + } else { + done = done || error; + } + + next(); + + // #92 + // wrap the callback in a setImmediate + // so that any of its errors aren't caught by `co` + function exit(err, res) { + setImmediate(function(){ + done.call(ctx, err, res); + }); + } + + function next(err, res) { + var ret; + + // multiple args + if (arguments.length > 2) res = slice$4.call(arguments, 1); + + // error + if (err) { + try { + ret = gen.throw(err); + } catch (e) { + return exit(e); + } + } + + // ok + if (!err) { + try { + ret = gen.next(res); + } catch (e) { + return exit(e); + } + } + + // done + if (ret.done) return exit(null, ret.value); + + // normalize + ret.value = toThunk(ret.value, ctx); + + // run + if ('function' == typeof ret.value) { + var called = false; + try { + ret.value.call(ctx, function(){ + if (called) return; + called = true; + next.apply(ctx, arguments); + }); + } catch (e) { + setImmediate(function(){ + if (called) return; + called = true; + next(e); + }); + } + return; + } + + // invalid + next(new TypeError('You may only yield a function, promise, generator, array, or object, ' + + 'but the following was passed: "' + String(ret.value) + '"')); + } + } +} + +/** + * Convert `obj` into a normalized thunk. + * + * @param {Mixed} obj + * @param {Mixed} ctx + * @return {Function} + * @api private + */ + +function toThunk(obj, ctx) { + + if (isGeneratorFunction(obj)) { + return co(obj.call(ctx)); + } + + if (isGenerator(obj)) { + return co(obj); + } + + if (isPromise(obj)) { + return promiseToThunk(obj); + } + + if ('function' == typeof obj) { + return obj; + } + + if (isObject$4(obj) || Array.isArray(obj)) { + return objectToThunk.call(ctx, obj); + } + + return obj; +} + +/** + * Convert an object of yieldables to a thunk. + * + * @param {Object} obj + * @return {Function} + * @api private + */ + +function objectToThunk(obj){ + var ctx = this; + var isArray = Array.isArray(obj); + + return function(done){ + var keys = Object.keys(obj); + var pending = keys.length; + var results = isArray + ? new Array(pending) // predefine the array length + : new obj.constructor(); + var finished; + + if (!pending) { + setImmediate(function(){ + done(null, results); + }); + return; + } + + // prepopulate object keys to preserve key ordering + if (!isArray) { + for (var i = 0; i < pending; i++) { + results[keys[i]] = undefined; + } + } + + for (var i = 0; i < keys.length; i++) { + run(obj[keys[i]], keys[i]); + } + + function run(fn, key) { + if (finished) return; + try { + fn = toThunk(fn, ctx); + + if ('function' != typeof fn) { + results[key] = fn; + return --pending || done(null, results); + } + + fn.call(ctx, function(err, res){ + if (finished) return; + + if (err) { + finished = true; + return done(err); + } + + results[key] = res; + --pending || done(null, results); + }); + } catch (err) { + finished = true; + done(err); + } + } + } +} + +/** + * Convert `promise` to a thunk. + * + * @param {Object} promise + * @return {Function} + * @api private + */ + +function promiseToThunk(promise) { + return function(fn){ + promise.then(function(res) { + fn(null, res); + }, fn); + } +} + +/** + * Check if `obj` is a promise. + * + * @param {Object} obj + * @return {Boolean} + * @api private + */ + +function isPromise(obj) { + return obj && 'function' == typeof obj.then; +} + +/** + * Check if `obj` is a generator. + * + * @param {Mixed} obj + * @return {Boolean} + * @api private + */ + +function isGenerator(obj) { + return obj && 'function' == typeof obj.next && 'function' == typeof obj.throw; +} + +/** + * Check if `obj` is a generator function. + * + * @param {Mixed} obj + * @return {Boolean} + * @api private + */ + +function isGeneratorFunction(obj) { + return obj && obj.constructor && 'GeneratorFunction' == obj.constructor.name; +} + +/** + * Check for plain object. + * + * @param {Mixed} val + * @return {Boolean} + * @api private + */ + +function isObject$4(val) { + return val && Object == val.constructor; +} + +/** + * Throw `err` in a new stack. + * + * This is used when co() is invoked + * without supplying a callback, which + * should only be for demonstrational + * purposes. + * + * @param {Error} err + * @api private + */ + +function error(err) { + if (!err) return; + setImmediate(function(){ + throw err; + }); +} + +/** + * Module Dependencies + */ + + +var noop$3 = function(){}; + + +/** + * Export `wrapped` + */ + +var wrapped_1 = wrapped; + +/** + * Wrap a function to support + * sync, async, and gen functions. + * + * @param {Function} fn + * @return {Function} + * @api public + */ + +function wrapped(fn) { + function wrap() { + var args = sliced(arguments); + var last = args[args.length - 1]; + var ctx = this; + + // done + var done = typeof last == 'function' ? args.pop() : noop$3; + + // nothing + if (!fn) { + return done.apply(ctx, [null].concat(args)); + } + + // generator + if (generator(fn)) { + return co_1(fn).apply(ctx, args.concat(done)); + } + + // async + if (fn.length > args.length) { + // NOTE: this only handles uncaught synchronous errors + try { + return fn.apply(ctx, args.concat(done)); + } catch (e) { + return done(e); + } + } + + // sync + return sync$2(fn, done).apply(ctx, args); + } + + return wrap; +} + +/** + * Wrap a synchronous function execution. + * + * @param {Function} fn + * @param {Function} done + * @return {Function} + * @api private + */ + +function sync$2(fn, done) { + return function () { + var ret; + + try { + ret = fn.apply(this, arguments); + } catch (err) { + return done(err); + } + + if (promise(ret)) { + ret.then(function (value) { done(null, value); }, done); + } else { + ret instanceof Error ? done(ret) : done(null, ret); + } + } +} + +/** + * Is `value` a generator? + * + * @param {Mixed} value + * @return {Boolean} + * @api private + */ + +function generator(value) { + return value + && value.constructor + && 'GeneratorFunction' == value.constructor.name; +} + + +/** + * Is `value` a promise? + * + * @param {Mixed} value + * @return {Boolean} + * @api private + */ + +function promise(value) { + return value && 'function' == typeof value.then; +} + +var unifiedLintRule = factory$7; + +function factory$7(id, rule) { + var parts = id.split(':'); + var source = parts[0]; + var ruleId = parts[1]; + var fn = wrapped_1(rule); + + /* istanbul ignore if - possibly useful if externalised later. */ + if (!ruleId) { + ruleId = source; + source = null; + } + + attacher.displayName = id; + + return attacher + + function attacher(raw) { + var config = coerce(ruleId, raw); + var severity = config[0]; + var options = config[1]; + var fatal = severity === 2; + + return severity ? transformer : undefined + + function transformer(tree, file, next) { + var index = file.messages.length; + + fn(tree, file, options, done); + + function done(err) { + var messages = file.messages; + var message; + + // Add the error, if not already properly added. + /* istanbul ignore if - only happens for incorrect plugins */ + if (err && messages.indexOf(err) === -1) { + try { + file.fail(err); + } catch (error) {} + } + + while (index < messages.length) { + message = messages[index]; + message.ruleId = ruleId; + message.source = source; + message.fatal = fatal; + + index++; + } + + next(); + } + } + } +} + +// Coerce a value to a severity--options tuple. +function coerce(name, value) { + var def = 1; + var result; + var level; + + /* istanbul ignore if - Handled by unified in v6.0.0 */ + if (typeof value === 'boolean') { + result = [value]; + } else if (value == null) { + result = [def]; + } else if ( + typeof value === 'object' && + (typeof value[0] === 'number' || + typeof value[0] === 'boolean' || + typeof value[0] === 'string') + ) { + result = value.concat(); + } else { + result = [1, value]; + } + + level = result[0]; + + if (typeof level === 'boolean') { + level = level ? 1 : 0; + } else if (typeof level === 'string') { + if (level === 'off') { + level = 0; + } else if (level === 'on' || level === 'warn') { + level = 1; + } else if (level === 'error') { + level = 2; + } else { + level = 1; + result = [level, result]; + } + } + + if (level < 0 || level > 2) { + throw new Error( + 'Invalid severity `' + + level + + '` for `' + + name + + '`, ' + + 'expected 0, 1, or 2' + ) + } + + result[0] = level; + + return result +} + +var remarkLintFinalNewline = unifiedLintRule('remark-lint:final-newline', finalNewline); + +function finalNewline(tree, file) { + var contents = String(file); + var last = contents.length - 1; + + if (last > -1 && contents.charAt(last) !== '\n') { + file.message('Missing newline character at end of file'); + } +} + +const addendum = "addenda"; +const aircraft = "aircraft"; +const alga = "algae"; +const alumna = "alumnae"; +const alumnus = "alumni"; +const amoeba = "amoebae"; +const analysis = "analyses"; +const antenna = "antennae"; +const antithesis = "antitheses"; +const apex = "apices"; +const appendix = "appendices"; +const automaton = "automata"; +const axis = "axes"; +const bacillus = "bacilli"; +const bacterium = "bacteria"; +const barracks = "barracks"; +const basis = "bases"; +const beau = "beaux"; +const bison = "bison"; +const buffalo = "buffalo"; +const bureau = "bureaus"; +const cactus = "cacti"; +const calf = "calves"; +const carp = "carp"; +const census = "censuses"; +const chassis = "chassis"; +const cherub = "cherubim"; +const child = "children"; +const cod = "cod"; +const codex = "codices"; +const concerto = "concerti"; +const corpus = "corpora"; +const crisis = "crises"; +const criterion = "criteria"; +const curriculum = "curricula"; +const datum = "data"; +const deer = "deer"; +const diagnosis = "diagnoses"; +const die$1 = "dice"; +const dwarf = "dwarfs"; +const echo = "echoes"; +const elf = "elves"; +const elk = "elk"; +const ellipsis = "ellipses"; +const embargo = "embargoes"; +const emphasis$3 = "emphases"; +const erratum = "errata"; +const fez = "fezes"; +const firmware = "firmware"; +const fish = "fish"; +const focus = "foci"; +const foot = "feet"; +const formula = "formulae"; +const fungus = "fungi"; +const gallows = "gallows"; +const genus = "genera"; +const goose = "geese"; +const graffito = "graffiti"; +const grouse = "grouse"; +const half$1 = "halves"; +const hero = "heroes"; +const hoof = "hooves"; +const hovercraft = "hovercraft"; +const hypothesis = "hypotheses"; +const index$5 = "indices"; +const kakapo = "kakapo"; +const knife = "knives"; +const larva = "larvae"; +const leaf = "leaves"; +const libretto = "libretti"; +const life = "lives"; +const loaf = "loaves"; +const locus = "loci"; +const louse = "lice"; +const man = "men"; +const matrix = "matrices"; +const means = "means"; +const medium = "media"; +const memorandum = "memoranda"; +const millennium = "millennia"; +const minutia = "minutiae"; +const moose = "moose"; +const mouse = "mice"; +const nebula = "nebulae"; +const nemesis = "nemeses"; +const neurosis = "neuroses"; +const news = "news"; +const nucleus = "nuclei"; +const oasis = "oases"; +const offspring = "offspring"; +const opus = "opera"; +const ovum = "ova"; +const ox = "oxen"; +const paralysis = "paralyses"; +const parenthesis = "parentheses"; +const person = "people"; +const phenomenon = "phenomena"; +const phylum = "phyla"; +const pike = "pike"; +const polyhedron = "polyhedra"; +const potato = "potatoes"; +const prognosis = "prognoses"; +const quiz = "quizzes"; +const radius = "radii"; +const referendum = "referenda"; +const salmon = "salmon"; +const scarf = "scarves"; +const self = "selves"; +const series = "series"; +const sheep = "sheep"; +const shelf = "shelves"; +const shrimp = "shrimp"; +const spacecraft = "spacecraft"; +const species = "species"; +const spectrum = "spectra"; +const squid = "squid"; +const stimulus = "stimuli"; +const stratum = "strata"; +const swine = "swine"; +const syllabus = "syllabi"; +const symposium = "symposia"; +const synopsis = "synopses"; +const synthesis = "syntheses"; +const tableau = "tableaus"; +const that = "those"; +const thesis = "theses"; +const thief = "thieves"; +const tomato = "tomatoes"; +const tooth = "teeth"; +const trout = "trout"; +const tuna = "tuna"; +const vertebra = "vertebrae"; +const vertex = "vertices"; +const veto = "vetoes"; +const vita = "vitae"; +const vortex = "vortices"; +const watercraft = "watercraft"; +const wharf = "wharves"; +const wife = "wives"; +const wolf = "wolves"; +const woman = "women"; +var irregularPlurals = { + addendum: addendum, + aircraft: aircraft, + alga: alga, + alumna: alumna, + alumnus: alumnus, + amoeba: amoeba, + analysis: analysis, + antenna: antenna, + antithesis: antithesis, + apex: apex, + appendix: appendix, + automaton: automaton, + axis: axis, + bacillus: bacillus, + bacterium: bacterium, + barracks: barracks, + basis: basis, + beau: beau, + bison: bison, + buffalo: buffalo, + bureau: bureau, + cactus: cactus, + calf: calf, + carp: carp, + census: census, + chassis: chassis, + cherub: cherub, + child: child, + "château": "châteaus", + cod: cod, + codex: codex, + concerto: concerto, + corpus: corpus, + crisis: crisis, + criterion: criterion, + curriculum: curriculum, + datum: datum, + deer: deer, + diagnosis: diagnosis, + die: die$1, + dwarf: dwarf, + echo: echo, + elf: elf, + elk: elk, + ellipsis: ellipsis, + embargo: embargo, + emphasis: emphasis$3, + erratum: erratum, + "faux pas": "faux pas", + fez: fez, + firmware: firmware, + fish: fish, + focus: focus, + foot: foot, + formula: formula, + fungus: fungus, + gallows: gallows, + genus: genus, + goose: goose, + graffito: graffito, + grouse: grouse, + half: half$1, + hero: hero, + hoof: hoof, + hovercraft: hovercraft, + hypothesis: hypothesis, + index: index$5, + kakapo: kakapo, + knife: knife, + larva: larva, + leaf: leaf, + libretto: libretto, + life: life, + loaf: loaf, + locus: locus, + louse: louse, + man: man, + matrix: matrix, + means: means, + medium: medium, + memorandum: memorandum, + millennium: millennium, + minutia: minutia, + moose: moose, + mouse: mouse, + nebula: nebula, + nemesis: nemesis, + neurosis: neurosis, + news: news, + nucleus: nucleus, + oasis: oasis, + offspring: offspring, + opus: opus, + ovum: ovum, + ox: ox, + paralysis: paralysis, + parenthesis: parenthesis, + person: person, + phenomenon: phenomenon, + phylum: phylum, + pike: pike, + polyhedron: polyhedron, + potato: potato, + prognosis: prognosis, + quiz: quiz, + radius: radius, + referendum: referendum, + salmon: salmon, + scarf: scarf, + self: self, + series: series, + sheep: sheep, + shelf: shelf, + shrimp: shrimp, + spacecraft: spacecraft, + species: species, + spectrum: spectrum, + squid: squid, + stimulus: stimulus, + stratum: stratum, + swine: swine, + syllabus: syllabus, + symposium: symposium, + synopsis: synopsis, + synthesis: synthesis, + tableau: tableau, + that: that, + thesis: thesis, + thief: thief, + "this": "these", + tomato: tomato, + tooth: tooth, + trout: trout, + tuna: tuna, + vertebra: vertebra, + vertex: vertex, + veto: veto, + vita: vita, + vortex: vortex, + watercraft: watercraft, + wharf: wharf, + wife: wife, + wolf: wolf, + woman: woman +}; + +var irregularPlurals$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + addendum: addendum, + aircraft: aircraft, + alga: alga, + alumna: alumna, + alumnus: alumnus, + amoeba: amoeba, + analysis: analysis, + antenna: antenna, + antithesis: antithesis, + apex: apex, + appendix: appendix, + automaton: automaton, + axis: axis, + bacillus: bacillus, + bacterium: bacterium, + barracks: barracks, + basis: basis, + beau: beau, + bison: bison, + buffalo: buffalo, + bureau: bureau, + cactus: cactus, + calf: calf, + carp: carp, + census: census, + chassis: chassis, + cherub: cherub, + child: child, + cod: cod, + codex: codex, + concerto: concerto, + corpus: corpus, + crisis: crisis, + criterion: criterion, + curriculum: curriculum, + datum: datum, + deer: deer, + diagnosis: diagnosis, + die: die$1, + dwarf: dwarf, + echo: echo, + elf: elf, + elk: elk, + ellipsis: ellipsis, + embargo: embargo, + emphasis: emphasis$3, + erratum: erratum, + fez: fez, + firmware: firmware, + fish: fish, + focus: focus, + foot: foot, + formula: formula, + fungus: fungus, + gallows: gallows, + genus: genus, + goose: goose, + graffito: graffito, + grouse: grouse, + half: half$1, + hero: hero, + hoof: hoof, + hovercraft: hovercraft, + hypothesis: hypothesis, + index: index$5, + kakapo: kakapo, + knife: knife, + larva: larva, + leaf: leaf, + libretto: libretto, + life: life, + loaf: loaf, + locus: locus, + louse: louse, + man: man, + matrix: matrix, + means: means, + medium: medium, + memorandum: memorandum, + millennium: millennium, + minutia: minutia, + moose: moose, + mouse: mouse, + nebula: nebula, + nemesis: nemesis, + neurosis: neurosis, + news: news, + nucleus: nucleus, + oasis: oasis, + offspring: offspring, + opus: opus, + ovum: ovum, + ox: ox, + paralysis: paralysis, + parenthesis: parenthesis, + person: person, + phenomenon: phenomenon, + phylum: phylum, + pike: pike, + polyhedron: polyhedron, + potato: potato, + prognosis: prognosis, + quiz: quiz, + radius: radius, + referendum: referendum, + salmon: salmon, + scarf: scarf, + self: self, + series: series, + sheep: sheep, + shelf: shelf, + shrimp: shrimp, + spacecraft: spacecraft, + species: species, + spectrum: spectrum, + squid: squid, + stimulus: stimulus, + stratum: stratum, + swine: swine, + syllabus: syllabus, + symposium: symposium, + synopsis: synopsis, + synthesis: synthesis, + tableau: tableau, + that: that, + thesis: thesis, + thief: thief, + tomato: tomato, + tooth: tooth, + trout: trout, + tuna: tuna, + vertebra: vertebra, + vertex: vertex, + veto: veto, + vita: vita, + vortex: vortex, + watercraft: watercraft, + wharf: wharf, + wife: wife, + wolf: wolf, + woman: woman, + 'default': irregularPlurals +}); + +var irregularPlurals$2 = getCjsExportFromNamespace(irregularPlurals$1); + +var irregularPlurals_1 = createCommonjsModule(function (module) { + + +const map = new Map(); +// TODO: Use Object.entries when targeting Node.js 8 +for (const key of Object.keys(irregularPlurals$2)) { + map.set(key, irregularPlurals$2[key]); +} + +// Ensure nobody can modify each others Map +Object.defineProperty(module, 'exports', { + get() { + return map; + } +}); +}); + +var plur = (word, plural, count) => { + if (typeof plural === 'number') { + count = plural; + } + + if (irregularPlurals_1.has(word.toLowerCase())) { + plural = irregularPlurals_1.get(word.toLowerCase()); + + const firstLetter = word.charAt(0); + const isFirstLetterUpperCase = firstLetter === firstLetter.toUpperCase(); + if (isFirstLetterUpperCase) { + plural = firstLetter.toUpperCase() + plural.slice(1); + } + + const isWholeWordUpperCase = word === word.toUpperCase(); + if (isWholeWordUpperCase) { + plural = plural.toUpperCase(); + } + } else if (typeof plural !== 'string') { + plural = (word.replace(/(?:s|x|z|ch|sh)$/i, '$&e').replace(/([^aeiou])y$/i, '$1ie') + 's') + .replace(/i?e?s$/i, match => { + const isTailLowerCase = word.slice(-1) === word.slice(-1).toLowerCase(); + return isTailLowerCase ? match.toLowerCase() : match.toUpperCase(); + }); + } + + return Math.abs(count) === 1 ? word : plural; +}; + +var unistUtilPosition = createCommonjsModule(function (module, exports) { + +var position = exports; + +position.start = factory('start'); +position.end = factory('end'); + +function factory(type) { + point.displayName = type; + + return point + + function point(node) { + var point = (node && node.position && node.position[type]) || {}; + + return { + line: point.line || null, + column: point.column || null, + offset: isNaN(point.offset) ? null : point.offset + } + } +} +}); + +var unistUtilGenerated = generated; + +function generated(node) { + var position = optional(optional(node).position); + var start = optional(position.start); + var end = optional(position.end); + + return !start.line || !start.column || !end.line || !end.column +} + +function optional(value) { + return value && typeof value === 'object' ? value : {} +} + +var remarkLintListItemBulletIndent = unifiedLintRule( + 'remark-lint:list-item-bullet-indent', + listItemBulletIndent +); + +var start$1 = unistUtilPosition.start; + +function listItemBulletIndent(tree, file) { + var contents = String(file); + + unistUtilVisit(tree, 'list', visitor); + + function visitor(node) { + node.children.forEach(visitItems); + } + + function visitItems(item) { + var final; + var indent; + var reason; + + if (!unistUtilGenerated(item)) { + final = start$1(item.children[0]); + indent = contents.slice(start$1(item).offset, final.offset).match(/^\s*/)[0] + .length; + + if (indent !== 0) { + reason = + 'Incorrect indentation before bullet: remove ' + + indent + + ' ' + + plur('space', indent); + + file.message(reason, { + line: final.line, + column: final.column - indent + }); + } + } + } +} + +var remarkLintListItemIndent = unifiedLintRule('remark-lint:list-item-indent', listItemIndent); + +var start$2 = unistUtilPosition.start; + +var styles = {'tab-size': true, mixed: true, space: true}; + +function listItemIndent(tree, file, pref) { + var contents = String(file); + + pref = typeof pref === 'string' ? pref : 'tab-size'; + + if (styles[pref] !== true) { + file.fail( + 'Invalid list-item indent style `' + + pref + + "`: use either `'tab-size'`, `'space'`, or `'mixed'`" + ); + } + + unistUtilVisit(tree, 'list', visitor); + + function visitor(node) { + var spread = node.spread || node.loose; + + if (!unistUtilGenerated(node)) { + node.children.forEach(visitItem); + } + + function visitItem(item) { + var head = item.children[0]; + var final = start$2(head); + var marker; + var bulletSize; + var style; + var diff; + var reason; + + marker = contents + .slice(start$2(item).offset, final.offset) + .replace(/\[[x ]?]\s*$/i, ''); + + bulletSize = marker.trimRight().length; + + style = + pref === 'tab-size' || (pref === 'mixed' && spread) + ? Math.ceil(bulletSize / 4) * 4 + : bulletSize + 1; + + if (marker.length !== style) { + diff = style - marker.length; + + reason = + 'Incorrect list-item indent: ' + + (diff > 0 ? 'add' : 'remove') + + ' ' + + Math.abs(diff) + + ' ' + + plur('space', diff); + + file.message(reason, final); + } + } + } +} + +var mdastUtilToString = toString$4; + +// Get the text content of a node. If the node itself does not expose +// plain-text fields, `toString` will recursivly try its children. +function toString$4(node) { + return ( + valueOf$1(node) || + (node.children && node.children.map(toString$4).join('')) || + '' + ) +} + +// Get the value of `node`. Checks, `value`, `alt`, and `title`, in that order. +function valueOf$1(node) { + return ( + (node && node.value ? node.value : node.alt ? node.alt : node.title) || '' + ) +} + +var remarkLintNoAutoLinkWithoutProtocol = unifiedLintRule( + 'remark-lint:no-auto-link-without-protocol', + noAutoLinkWithoutProtocol +); + +var start$3 = unistUtilPosition.start; +var end = unistUtilPosition.end; + +// Protocol expression. +// See: . +var protocol$2 = /^[a-z][a-z+.-]+:\/?/i; + +var reason = 'All automatic links must start with a protocol'; + +function noAutoLinkWithoutProtocol(tree, file) { + unistUtilVisit(tree, 'link', visitor); + + function visitor(node) { + var children; + + if (!unistUtilGenerated(node)) { + children = node.children; + + if ( + start$3(node).column === start$3(children[0]).column - 1 && + end(node).column === end(children[children.length - 1]).column + 1 && + !protocol$2.test(mdastUtilToString(node)) + ) { + file.message(reason, node); + } + } + } +} + +var remarkLintNoBlockquoteWithoutMarker = unifiedLintRule( + 'remark-lint:no-blockquote-without-marker', + noBlockquoteWithoutMarker +); + +var reason$1 = 'Missing marker in blockquote'; + +function noBlockquoteWithoutMarker(tree, file) { + var contents = String(file); + var location = vfileLocation(file); + var last = contents.length; + + unistUtilVisit(tree, 'blockquote', visitor); + + function visitor(node) { + var indent = node.position && node.position.indent; + var start; + var length; + var index; + var line; + var offset; + var character; + var pos; + + if (unistUtilGenerated(node) || !indent || indent.length === 0) { + return + } + + start = unistUtilPosition.start(node).line; + length = indent.length; + index = -1; + + while (++index < length) { + line = start + index + 1; + pos = {line: line, column: indent[index]}; + offset = location.toOffset(pos) - 1; + + while (++offset < last) { + character = contents.charAt(offset); + + if (character === '>') { + break + } + + /* istanbul ignore else - just for safety */ + if (character !== ' ' && character !== '\t') { + file.message(reason$1, pos); + break + } + } + } + } +} + +var remarkLintNoLiteralUrls = unifiedLintRule('remark-lint:no-literal-urls', noLiteralURLs); + +var start$4 = unistUtilPosition.start; +var end$1 = unistUtilPosition.end; +var mailto$3 = 'mailto:'; +var reason$2 = 'Don’t use literal URLs without angle brackets'; + +function noLiteralURLs(tree, file) { + unistUtilVisit(tree, 'link', visitor); + + function visitor(node) { + var children = node.children; + var value = mdastUtilToString(node); + + if ( + !unistUtilGenerated(node) && + start$4(node).column === start$4(children[0]).column && + end$1(node).column === end$1(children[children.length - 1]).column && + (node.url === mailto$3 + value || node.url === value) + ) { + file.message(reason$2, node); + } + } +} + +var remarkLintOrderedListMarkerStyle = unifiedLintRule( + 'remark-lint:ordered-list-marker-style', + orderedListMarkerStyle +); + +var start$5 = unistUtilPosition.start; + +var styles$1 = { + ')': true, + '.': true, + null: true +}; + +function orderedListMarkerStyle(tree, file, pref) { + var contents = String(file); + + pref = typeof pref !== 'string' || pref === 'consistent' ? null : pref; + + if (styles$1[pref] !== true) { + file.fail( + 'Invalid ordered list-item marker style `' + + pref + + "`: use either `'.'` or `')'`" + ); + } + + unistUtilVisit(tree, 'list', visitor); + + function visitor(node) { + var children = node.children; + var length = node.ordered ? children.length : 0; + var index = -1; + var marker; + var child; + + while (++index < length) { + child = children[index]; + + if (!unistUtilGenerated(child)) { + marker = contents + .slice(start$5(child).offset, start$5(child.children[0]).offset) + .replace(/\s|\d/g, '') + .replace(/\[[x ]?]\s*$/i, ''); + + if (pref) { + if (marker !== pref) { + file.message('Marker style should be `' + pref + '`', child); + } + } else { + pref = marker; + } + } + } + } +} + +var remarkLintHardBreakSpaces = unifiedLintRule('remark-lint:hard-break-spaces', hardBreakSpaces); + +var reason$3 = 'Use two spaces for hard line breaks'; + +function hardBreakSpaces(tree, file) { + var contents = String(file); + + unistUtilVisit(tree, 'break', visitor); + + function visitor(node) { + var value; + + if (!unistUtilGenerated(node)) { + value = contents + .slice(unistUtilPosition.start(node).offset, unistUtilPosition.end(node).offset) + .split('\n', 1)[0] + .replace(/\r$/, ''); + + if (value.length > 2) { + file.message(reason$3, node); + } + } + } +} + +var remarkLintNoDuplicateDefinitions = unifiedLintRule( + 'remark-lint:no-duplicate-definitions', + noDuplicateDefinitions +); + +var reason$4 = 'Do not use definitions with the same identifier'; + +function noDuplicateDefinitions(tree, file) { + var map = {}; + + unistUtilVisit(tree, ['definition', 'footnoteDefinition'], validate); + + function validate(node) { + var identifier; + var duplicate; + + if (!unistUtilGenerated(node)) { + identifier = node.identifier; + duplicate = map[identifier]; + + if (duplicate && duplicate.type) { + file.message( + reason$4 + ' (' + unistUtilStringifyPosition(unistUtilPosition.start(duplicate)) + ')', + node + ); + } + + map[identifier] = node; + } + } +} + +var mdastUtilHeadingStyle = style; + +function style(node, relative) { + var last = node.children[node.children.length - 1]; + var depth = node.depth; + var pos = node && node.position && node.position.end; + var final = last && last.position && last.position.end; + + if (!pos) { + return null + } + + // This can only occur for `'atx'` and `'atx-closed'` headings. + // This might incorrectly match `'atx'` headings with lots of trailing white + // space as an `'atx-closed'` heading. + if (!last) { + if (pos.column - 1 <= depth * 2) { + return consolidate(depth, relative) + } + + return 'atx-closed' + } + + if (final.line + 1 === pos.line) { + return 'setext' + } + + if (final.column + depth < pos.column) { + return 'atx-closed' + } + + return consolidate(depth, relative) +} + +// Get the probable style of an atx-heading, depending on preferred style. +function consolidate(depth, relative) { + return depth < 3 + ? 'atx' + : relative === 'atx' || relative === 'setext' + ? relative + : null +} + +var remarkLintNoHeadingContentIndent = unifiedLintRule( + 'remark-lint:no-heading-content-indent', + noHeadingContentIndent +); + +var start$6 = unistUtilPosition.start; +var end$2 = unistUtilPosition.end; + +function noHeadingContentIndent(tree, file) { + var contents = String(file); + + unistUtilVisit(tree, 'heading', visitor); + + function visitor(node) { + var depth; + var children; + var type; + var head; + var initial; + var final; + var diff; + var index; + var char; + var reason; + + if (unistUtilGenerated(node)) { + return + } + + depth = node.depth; + children = node.children; + type = mdastUtilHeadingStyle(node, 'atx'); + + if (type === 'atx' || type === 'atx-closed') { + initial = start$6(node); + index = initial.offset; + char = contents.charAt(index); + + while (char && char !== '#') { + char = contents.charAt(++index); + } + + /* istanbul ignore if - CR/LF bug: remarkjs/remark#195. */ + if (!char) { + return + } + + index = depth + (index - initial.offset); + head = start$6(children[0]).column; + + // Ignore empty headings. + if (!head) { + return + } + + diff = head - initial.column - 1 - index; + + if (diff) { + reason = + (diff > 0 ? 'Remove' : 'Add') + + ' ' + + Math.abs(diff) + + ' ' + + plur('space', diff) + + ' before this heading’s content'; + + file.message(reason, start$6(children[0])); + } + } + + // Closed ATX-heading always must have a space between their content and the + // final hashes, thus, there is no `add x spaces`. + if (type === 'atx-closed') { + final = end$2(children[children.length - 1]); + diff = end$2(node).column - final.column - 1 - depth; + + if (diff) { + reason = + 'Remove ' + + diff + + ' ' + + plur('space', diff) + + ' after this heading’s content'; + + file.message(reason, final); + } + } + } +} + +var remarkLintNoInlinePadding = unifiedLintRule('remark-lint:no-inline-padding', noInlinePadding); + +function noInlinePadding(tree, file) { + unistUtilVisit(tree, ['emphasis', 'strong', 'delete', 'image', 'link'], visitor); + + function visitor(node) { + var contents; + + if (!unistUtilGenerated(node)) { + contents = mdastUtilToString(node); + + if ( + contents.charAt(0) === ' ' || + contents.charAt(contents.length - 1) === ' ' + ) { + file.message('Don’t pad `' + node.type + '` with inner spaces', node); + } + } + } +} + +var remarkLintNoShortcutReferenceImage = unifiedLintRule( + 'remark-lint:no-shortcut-reference-image', + noShortcutReferenceImage +); + +var reason$5 = 'Use the trailing [] on reference images'; + +function noShortcutReferenceImage(tree, file) { + unistUtilVisit(tree, 'imageReference', visitor); + + function visitor(node) { + if (!unistUtilGenerated(node) && node.referenceType === 'shortcut') { + file.message(reason$5, node); + } + } +} + +var remarkLintNoShortcutReferenceLink = unifiedLintRule( + 'remark-lint:no-shortcut-reference-link', + noShortcutReferenceLink +); + +var reason$6 = 'Use the trailing [] on reference links'; + +function noShortcutReferenceLink(tree, file) { + unistUtilVisit(tree, 'linkReference', visitor); + + function visitor(node) { + if (!unistUtilGenerated(node) && node.referenceType === 'shortcut') { + file.message(reason$6, node); + } + } +} + +var remarkLintNoUndefinedReferences = unifiedLintRule( + 'remark-lint:no-undefined-references', + noUndefinedReferences +); + +var reason$7 = 'Found reference to undefined definition'; + +// The identifier is upcased to avoid naming collisions with properties +// inherited from `Object.prototype`. Were `Object.create(null)` to be +// used in place of `{}`, downcasing would work equally well. +function normalize$3(s) { + return collapseWhiteSpace(s.toUpperCase()) +} + +function noUndefinedReferences(tree, file, pref) { + var allow = + pref != null && Array.isArray(pref.allow) ? pref.allow.map(normalize$3) : []; + + var map = {}; + + unistUtilVisit(tree, ['definition', 'footnoteDefinition'], mark); + unistUtilVisit(tree, ['imageReference', 'linkReference', 'footnoteReference'], find); + + function mark(node) { + if (!unistUtilGenerated(node)) { + map[normalize$3(node.identifier)] = true; + } + } + + function find(node) { + if ( + !( + unistUtilGenerated(node) || + allow.includes(normalize$3(node.identifier)) || + normalize$3(node.identifier) in map + ) + ) { + file.message(reason$7, node); + } + } +} + +var remarkLintNoUnusedDefinitions = unifiedLintRule('remark-lint:no-unused-definitions', noUnusedDefinitions); + +var reason$8 = 'Found unused definition'; + +function noUnusedDefinitions(tree, file) { + var map = {}; + var identifier; + var entry; + + unistUtilVisit(tree, ['definition', 'footnoteDefinition'], find); + unistUtilVisit(tree, ['imageReference', 'linkReference', 'footnoteReference'], mark); + + for (identifier in map) { + entry = map[identifier]; + + if (!entry.used) { + file.message(reason$8, entry.node); + } + } + + function find(node) { + if (!unistUtilGenerated(node)) { + map[node.identifier.toUpperCase()] = {node: node, used: false}; + } + } + + function mark(node) { + var info = map[node.identifier.toUpperCase()]; + + if (!unistUtilGenerated(node) && info) { + info.used = true; + } + } +} + +var plugins$1 = [ + remarkLint, + // Unix compatibility. + remarkLintFinalNewline, + // Rendering across vendors differs greatly if using other styles. + remarkLintListItemBulletIndent, + [remarkLintListItemIndent, 'tab-size'], + // Differs or unsupported across vendors. + remarkLintNoAutoLinkWithoutProtocol, + remarkLintNoBlockquoteWithoutMarker, + remarkLintNoLiteralUrls, + [remarkLintOrderedListMarkerStyle, '.'], + // Mistakes. + remarkLintHardBreakSpaces, + remarkLintNoDuplicateDefinitions, + remarkLintNoHeadingContentIndent, + remarkLintNoInlinePadding, + remarkLintNoShortcutReferenceImage, + remarkLintNoShortcutReferenceLink, + remarkLintNoUndefinedReferences, + remarkLintNoUnusedDefinitions +]; + +var remarkPresetLintRecommended = { + plugins: plugins$1 +}; + +var remarkLintBlockquoteIndentation = unifiedLintRule( + 'remark-lint:blockquote-indentation', + blockquoteIndentation +); + +function blockquoteIndentation(tree, file, pref) { + pref = typeof pref === 'number' && !isNaN(pref) ? pref : null; + + unistUtilVisit(tree, 'blockquote', visitor); + + function visitor(node) { + var diff; + var reason; + + if (unistUtilGenerated(node) || node.children.length === 0) { + return + } + + if (pref) { + diff = pref - check$3(node); + + if (diff !== 0) { + reason = + (diff > 0 ? 'Add' : 'Remove') + + ' ' + + Math.abs(diff) + + ' ' + + plur('space', diff) + + ' between blockquote and content'; + + file.message(reason, unistUtilPosition.start(node.children[0])); + } + } else { + pref = check$3(node); + } + } +} + +function check$3(node) { + var head = node.children[0]; + var indentation = unistUtilPosition.start(head).column - unistUtilPosition.start(node).column; + var padding = mdastUtilToString(head).match(/^ +/); + + if (padding) { + indentation += padding[0].length; + } + + return indentation +} + +var remarkLintCheckboxCharacterStyle = unifiedLintRule( + 'remark-lint:checkbox-character-style', + checkboxCharacterStyle +); + +var start$7 = unistUtilPosition.start; +var end$3 = unistUtilPosition.end; + +var checked = {x: true, X: true}; +var unchecked = {' ': true, '\t': true}; +var types$1 = {true: 'checked', false: 'unchecked'}; + +function checkboxCharacterStyle(tree, file, pref) { + var contents = String(file); + var location = vfileLocation(file); + + pref = typeof pref === 'object' ? pref : {}; + + if (pref.unchecked && unchecked[pref.unchecked] !== true) { + file.fail( + 'Invalid unchecked checkbox marker `' + + pref.unchecked + + "`: use either `'\\t'`, or `' '`" + ); + } + + if (pref.checked && checked[pref.checked] !== true) { + file.fail( + 'Invalid checked checkbox marker `' + + pref.checked + + "`: use either `'x'`, or `'X'`" + ); + } + + unistUtilVisit(tree, 'listItem', visitor); + + function visitor(node) { + var type; + var initial; + var final; + var value; + var style; + var character; + var reason; + + // Exit early for items without checkbox. + if (typeof node.checked !== 'boolean' || unistUtilGenerated(node)) { + return + } + + type = types$1[node.checked]; + initial = start$7(node).offset; + final = (node.children.length === 0 ? end$3(node) : start$7(node.children[0])) + .offset; + + // For a checkbox to be parsed, it must be followed by a whitespace. + value = contents + .slice(initial, final) + .trimRight() + .slice(0, -1); + + // The checkbox character is behind a square bracket. + character = value.charAt(value.length - 1); + style = pref[type]; + + if (style) { + if (character !== style) { + reason = + type.charAt(0).toUpperCase() + + type.slice(1) + + ' checkboxes should use `' + + style + + '` as a marker'; + + file.message(reason, { + start: location.toPosition(initial + value.length - 1), + end: location.toPosition(initial + value.length) + }); + } + } else { + pref[type] = character; + } + } +} + +var remarkLintCheckboxContentIndent = unifiedLintRule( + 'remark-lint:checkbox-content-indent', + checkboxContentIndent +); + +var start$8 = unistUtilPosition.start; +var end$4 = unistUtilPosition.end; + +var reason$9 = 'Checkboxes should be followed by a single character'; + +function checkboxContentIndent(tree, file) { + var contents = String(file); + var location = vfileLocation(file); + + unistUtilVisit(tree, 'listItem', visitor); + + function visitor(node) { + var initial; + var final; + var value; + + // Exit early for items without checkbox. + if (typeof node.checked !== 'boolean' || unistUtilGenerated(node)) { + return + } + + initial = start$8(node).offset; + /* istanbul ignore next - hard to test, couldn’t find a case. */ + final = (node.children.length === 0 ? end$4(node) : start$8(node.children[0])) + .offset; + + while (/[^\S\n]/.test(contents.charAt(final))) { + final++; + } + + // For a checkbox to be parsed, it must be followed by a whitespace. + value = contents.slice(initial, final); + value = value.slice(value.indexOf(']') + 1); + + if (value.length !== 1) { + file.message(reason$9, { + start: location.toPosition(final - value.length + 1), + end: location.toPosition(final) + }); + } + } +} + +var remarkLintCodeBlockStyle = unifiedLintRule('remark-lint:code-block-style', codeBlockStyle); + +var start$9 = unistUtilPosition.start; +var end$5 = unistUtilPosition.end; + +var styles$2 = {null: true, fenced: true, indented: true}; + +function codeBlockStyle(tree, file, pref) { + var contents = String(file); + + pref = typeof pref === 'string' && pref !== 'consistent' ? pref : null; + + if (styles$2[pref] !== true) { + file.fail( + 'Invalid code block style `' + + pref + + "`: use either `'consistent'`, `'fenced'`, or `'indented'`" + ); + } + + unistUtilVisit(tree, 'code', visitor); + + function visitor(node) { + var current = check(node); + + if (current) { + if (!pref) { + pref = current; + } else if (pref !== current) { + file.message('Code blocks should be ' + pref, node); + } + } + } + + // Get the style of `node`. + function check(node) { + var initial = start$9(node).offset; + var final = end$5(node).offset; + + if (unistUtilGenerated(node)) { + return null + } + + return node.lang || /^\s*([~`])\1{2,}/.test(contents.slice(initial, final)) + ? 'fenced' + : 'indented' + } +} + +var remarkLintDefinitionSpacing = unifiedLintRule('remark-lint:definition-spacing', definitionSpacing); + +var label$1 = /^\s*\[((?:\\[\s\S]|[^[\]])+)]/; +var reason$a = 'Do not use consecutive white-space in definition labels'; + +function definitionSpacing(tree, file) { + var contents = String(file); + + unistUtilVisit(tree, ['definition', 'footnoteDefinition'], validate); + + function validate(node) { + var start = unistUtilPosition.start(node).offset; + var end = unistUtilPosition.end(node).offset; + + if ( + !unistUtilGenerated(node) && + /[ \t\n]{2,}/.test(contents.slice(start, end).match(label$1)[1]) + ) { + file.message(reason$a, node); + } + } +} + +var remarkLintFencedCodeFlag = unifiedLintRule('remark-lint:fenced-code-flag', fencedCodeFlag); + +var start$a = unistUtilPosition.start; +var end$6 = unistUtilPosition.end; + +var fence$2 = /^ {0,3}([~`])\1{2,}/; +var reasonInvalid = 'Invalid code-language flag'; +var reasonMissing = 'Missing code-language flag'; + +function fencedCodeFlag(tree, file, pref) { + var contents = String(file); + var allowEmpty = false; + var flags = []; + + if (typeof pref === 'object' && !('length' in pref)) { + allowEmpty = Boolean(pref.allowEmpty); + pref = pref.flags; + } + + if (typeof pref === 'object' && 'length' in pref) { + flags = String(pref).split(','); + } + + unistUtilVisit(tree, 'code', visitor); + + function visitor(node) { + var value; + + if (!unistUtilGenerated(node)) { + if (node.lang) { + if (flags.length !== 0 && flags.indexOf(node.lang) === -1) { + file.message(reasonInvalid, node); + } + } else { + value = contents.slice(start$a(node).offset, end$6(node).offset); + + if (!allowEmpty && fence$2.test(value)) { + file.message(reasonMissing, node); + } + } + } + } +} + +var remarkLintFencedCodeMarker = unifiedLintRule('remark-lint:fenced-code-marker', fencedCodeMarker); + +var markers = { + '`': true, + '~': true, + null: true +}; + +function fencedCodeMarker(tree, file, pref) { + var contents = String(file); + + pref = typeof pref === 'string' && pref !== 'consistent' ? pref : null; + + if (markers[pref] !== true) { + file.fail( + 'Invalid fenced code marker `' + + pref + + "`: use either `'consistent'`, `` '`' ``, or `'~'`" + ); + } + + unistUtilVisit(tree, 'code', visitor); + + function visitor(node) { + var marker; + + if (!unistUtilGenerated(node)) { + marker = contents + .substr(unistUtilPosition.start(node).offset, 4) + .trimLeft() + .charAt(0); + + // Ignore unfenced code blocks. + if (markers[marker] === true) { + if (pref) { + if (marker !== pref) { + file.message( + 'Fenced code should use ' + pref + ' as a marker', + node + ); + } + } else { + pref = marker; + } + } + } + } +} + +var remarkLintFileExtension = unifiedLintRule('remark-lint:file-extension', fileExtension); + +function fileExtension(tree, file, pref) { + var ext = file.extname; + + pref = typeof pref === 'string' ? pref : 'md'; + + if (ext && ext.slice(1) !== pref) { + file.message('Invalid extension: use `' + pref + '`'); + } +} + +var remarkLintFinalDefinition = unifiedLintRule('remark-lint:final-definition', finalDefinition); + +var start$b = unistUtilPosition.start; + +function finalDefinition(tree, file) { + var last = null; + + unistUtilVisit(tree, visitor, true); + + function visitor(node) { + var line = start$b(node).line; + + // Ignore generated nodes. + if (node.type === 'root' || unistUtilGenerated(node)) { + return + } + + if (node.type === 'definition') { + if (last !== null && last > line) { + file.message( + 'Move definitions to the end of the file (after the node at line `' + + last + + '`)', + node + ); + } + } else if (last === null) { + last = line; + } + } +} + +var remarkLintFirstHeadingLevel = unifiedLintRule('remark-lint:first-heading-level', firstHeadingLevel); + +var re$3 = /. + unistUtilVisit(tree, ['heading', 'table', 'code', 'definition', 'html', 'jsx'], ignore); + unistUtilVisit(tree, ['link', 'image', 'inlineCode'], inline); + + // Iterate over every line, and warn for violating lines. + while (++index < length) { + lineLength = lines[index].length; + + if (lineLength > style) { + file.message('Line must be at most ' + style + ' characters', { + line: index + 1, + column: lineLength + 1 + }); + } + } + + // Finally, whitelist some inline spans, but only if they occur at or after + // the wrap. + // However, when they do, and there’s whitespace after it, they are not + // whitelisted. + function inline(node, pos, parent) { + var next = parent.children[pos + 1]; + var initial; + var final; + + /* istanbul ignore if - Nothing to whitelist when generated. */ + if (unistUtilGenerated(node)) { + return + } + + initial = start$c(node); + final = end$7(node); + + // No whitelisting when starting after the border, or ending before it. + if (initial.column > style || final.column < style) { + return + } + + // No whitelisting when there’s whitespace after the link. + if ( + next && + start$c(next).line === initial.line && + (!next.value || /^(.+?[ \t].+?)/.test(next.value)) + ) { + return + } + + whitelist(initial.line - 1, final.line); + } + + function ignore(node) { + /* istanbul ignore else - Hard to test, as we only run this case on `position: true` */ + if (!unistUtilGenerated(node)) { + whitelist(start$c(node).line - 1, end$7(node).line); + } + } + + // Whitelist from `initial` to `final`, zero-based. + function whitelist(initial, final) { + while (initial < final) { + lines[initial++] = ''; + } + } +} + +var remarkLintNoConsecutiveBlankLines = unifiedLintRule( + 'remark-lint:no-consecutive-blank-lines', + noConsecutiveBlankLines +); + +function noConsecutiveBlankLines(tree, file) { + unistUtilVisit(tree, visitor); + + function visitor(node) { + var children = node.children; + var head; + var tail; + + if (!unistUtilGenerated(node) && children) { + head = children[0]; + + if (head && !unistUtilGenerated(head)) { + // Compare parent and first child. + compare(unistUtilPosition.start(node), unistUtilPosition.start(head), 0); + + // Compare between each child. + children.forEach(visitChild); + + tail = children[children.length - 1]; + + // Compare parent and last child. + if (tail !== head && !unistUtilGenerated(tail)) { + compare(unistUtilPosition.end(node), unistUtilPosition.end(tail), 1); + } + } + } + } + + // Compare the difference between `start` and `end`, and warn when that + // difference exceeds `max`. + function compare(start, end, max) { + var diff = end.line - start.line; + var lines = Math.abs(diff) - max; + var reason; + + if (lines > 0) { + reason = + 'Remove ' + + lines + + ' ' + + plur('line', lines) + + ' ' + + (diff > 0 ? 'before' : 'after') + + ' node'; + + file.message(reason, end); + } + } + + function visitChild(child, index, all) { + var prev = all[index - 1]; + var max = 2; + + if (prev && !unistUtilGenerated(prev) && !unistUtilGenerated(child)) { + if ( + (prev.type === 'list' && child.type === 'list') || + (child.type === 'code' && prev.type === 'list' && !child.lang) + ) { + max++; + } + + compare(unistUtilPosition.end(prev), unistUtilPosition.start(child), max); + } + } +} + +var remarkLintNoFileNameArticles = unifiedLintRule('remark-lint:no-file-name-articles', noFileNameArticles); + +function noFileNameArticles(tree, file) { + var match = file.stem && file.stem.match(/^(the|teh|an?)\b/i); + + if (match) { + file.message('Do not start file names with `' + match[0] + '`'); + } +} + +var remarkLintNoFileNameConsecutiveDashes = unifiedLintRule( + 'remark-lint:no-file-name-consecutive-dashes', + noFileNameConsecutiveDashes +); + +var reason$b = 'Do not use consecutive dashes in a file name'; + +function noFileNameConsecutiveDashes(tree, file) { + if (file.stem && /-{2,}/.test(file.stem)) { + file.message(reason$b); + } +} + +var remarkLintNoFileNameOuterDashes = unifiedLintRule( + 'remark-lint:no-file-name-outer-dashes', + noFileNameOuterDashes +); + +var reason$c = 'Do not use initial or final dashes in a file name'; + +function noFileNameOuterDashes(tree, file) { + if (file.stem && /^-|-$/.test(file.stem)) { + file.message(reason$c); + } +} + +var remarkLintNoHeadingIndent = unifiedLintRule('remark-lint:no-heading-indent', noHeadingIndent); + +var start$d = unistUtilPosition.start; + +function noHeadingIndent(tree, file) { + var contents = String(file); + var length = contents.length; + + unistUtilVisit(tree, 'heading', visitor); + + function visitor(node) { + var initial; + var begin; + var index; + var character; + var diff; + + if (unistUtilGenerated(node)) { + return + } + + initial = start$d(node); + begin = initial.offset; + index = begin - 1; + + while (++index < length) { + character = contents.charAt(index); + + if (character !== ' ' && character !== '\t') { + break + } + } + + diff = index - begin; + + if (diff) { + file.message( + 'Remove ' + diff + ' ' + plur('space', diff) + ' before this heading', + { + line: initial.line, + column: initial.column + diff + } + ); + } + } +} + +var start$e = unistUtilPosition.start; + + + +var remarkLintNoMultipleToplevelHeadings = unifiedLintRule( + 'remark-lint:no-multiple-toplevel-headings', + noMultipleToplevelHeadings +); + +function noMultipleToplevelHeadings(tree, file, pref) { + var style = pref ? pref : 1; + var duplicate; + + unistUtilVisit(tree, 'heading', visitor); + + function visitor(node) { + if (!unistUtilGenerated(node) && node.depth === style) { + if (duplicate) { + file.message( + 'Don’t use multiple top level headings (' + duplicate + ')', + node + ); + } else { + duplicate = unistUtilStringifyPosition(start$e(node)); + } + } + } +} + +var remarkLintNoShellDollars = unifiedLintRule('remark-lint:no-shell-dollars', noShellDollars); + +var reason$d = 'Do not use dollar signs before shell-commands'; + +// List of shell script file extensions (also used as code flags for syntax +// highlighting on GitHub): +// See: +var flags = [ + 'sh', + 'bash', + 'bats', + 'cgi', + 'command', + 'fcgi', + 'ksh', + 'tmux', + 'tool', + 'zsh' +]; + +function noShellDollars(tree, file) { + unistUtilVisit(tree, 'code', visitor); + + function visitor(node) { + var lines; + var line; + var length; + var index; + + // Check both known shell code and unknown code. + if (!unistUtilGenerated(node) && node.lang && flags.indexOf(node.lang) !== -1) { + lines = node.value.split('\n'); + length = lines.length; + index = -1; + + if (length <= 1) { + return + } + + while (++index < length) { + line = lines[index]; + + if (line.trim() && !line.match(/^\s*\$\s*/)) { + return + } + } + + file.message(reason$d, node); + } + } +} + +var remarkLintNoTableIndentation = unifiedLintRule('remark-lint:no-table-indentation', noTableIndentation); + +var reason$e = 'Do not indent table rows'; + +function noTableIndentation(tree, file) { + var contents = String(file); + + unistUtilVisit(tree, 'table', visitor); + + function visitor(node) { + if (!unistUtilGenerated(node)) { + node.children.forEach(each); + } + + return unistUtilVisit.SKIP + } + + function each(row) { + var fence = contents.slice( + unistUtilPosition.start(row).offset, + unistUtilPosition.start(row.children[0]).offset + ); + + if (fence.indexOf('|') > 1) { + file.message(reason$e, row); + } + } +} + +var remarkLintNoTabs = unifiedLintRule('remark-lint:no-tabs', noTabs); + +var reason$f = 'Use spaces instead of hard-tabs'; + +function noTabs(tree, file) { + var content = String(file); + var position = vfileLocation(file).toPosition; + var index = content.indexOf('\t'); + + while (index !== -1) { + file.message(reason$f, position(index)); + index = content.indexOf('\t', index + 1); + } +} + +var remarkLintNoTrailingSpaces = unifiedLintRule('remark-lint:no-trailing-spaces', noTrailingSpaces); + +/** + * Lines that are just space characters are not present in + * the AST, which is why we loop through lines manually. + */ + +function noTrailingSpaces(ast, file) { + var lines = file.toString().split(/\r?\n/); + for (var i = 0; i < lines.length; i++) { + var currentLine = lines[i]; + var lineIndex = i + 1; + if (/\s$/.test(currentLine)) { + file.message('Remove trailing whitespace', { + position: { + start: { line: lineIndex, column: currentLine.length + 1 }, + end: { line: lineIndex } + } + }); + } + } +} + +var remarkLintProhibitedStrings = unifiedLintRule('remark-lint:prohibited-strings', prohibitedStrings); + +function testProhibited(val, content) { + const re = new RegExp(`(\\.|@[a-z0-9/-]*)?\\b(${val.no})\\b(\\.\\w)?`, 'g'); + + let result = null; + while (result = re.exec(content)) { + if (!result[1] && !result[3]) { + return result[2]; + } + } + + return false; +} + +function prohibitedStrings(ast, file, strings) { + unistUtilVisit(ast, 'text', checkText); + + function checkText(node) { + const content = node.value; + + strings.forEach((val) => { + const result = testProhibited(val, content); + if (result) { + file.message(`Use "${val.yes}" instead of "${result}"`, node); + } + }); + } +} + +var rule = unifiedLintRule; + + + + +var remarkLintRuleStyle = rule('remark-lint:rule-style', ruleStyle); + +var start$f = unistUtilPosition.start; +var end$8 = unistUtilPosition.end; + +function ruleStyle(tree, file, pref) { + var contents = String(file); + + pref = typeof pref === 'string' && pref !== 'consistent' ? pref : null; + + if (pref !== null && /[^-_* ]/.test(pref)) { + file.fail( + "Invalid preferred rule-style: provide a valid markdown rule, or `'consistent'`" + ); + } + + unistUtilVisit(tree, 'thematicBreak', visitor); + + function visitor(node) { + var initial = start$f(node).offset; + var final = end$8(node).offset; + var rule; + + if (!unistUtilGenerated(node)) { + rule = contents.slice(initial, final); + + if (pref) { + if (rule !== pref) { + file.message('Rules should use `' + pref + '`', node); + } + } else { + pref = rule; + } + } + } +} + +var remarkLintStrongMarker = unifiedLintRule('remark-lint:strong-marker', strongMarker); + +var markers$1 = {'*': true, _: true, null: true}; + +function strongMarker(tree, file, pref) { + var contents = String(file); + + pref = typeof pref === 'string' && pref !== 'consistent' ? pref : null; + + if (markers$1[pref] !== true) { + file.fail( + 'Invalid strong marker `' + + pref + + "`: use either `'consistent'`, `'*'`, or `'_'`" + ); + } + + unistUtilVisit(tree, 'strong', visitor); + + function visitor(node) { + var marker = contents.charAt(unistUtilPosition.start(node).offset); + + if (!unistUtilGenerated(node)) { + if (pref) { + if (marker !== pref) { + file.message('Strong should use `' + pref + '` as a marker', node); + } + } else { + pref = marker; + } + } + } +} + +var remarkLintTableCellPadding = unifiedLintRule('remark-lint:table-cell-padding', tableCellPadding); + +var start$g = unistUtilPosition.start; +var end$9 = unistUtilPosition.end; + +var styles$3 = {null: true, padded: true, compact: true}; + +function tableCellPadding(tree, file, pref) { + var contents = String(file); + + pref = typeof pref === 'string' && pref !== 'consistent' ? pref : null; + + if (styles$3[pref] !== true) { + file.fail('Invalid table-cell-padding style `' + pref + '`'); + } + + unistUtilVisit(tree, 'table', visitor); + + function visitor(node) { + var rows = node.children; + var sizes = new Array(node.align.length); + var length = unistUtilGenerated(node) ? -1 : rows.length; + var index = -1; + var entries = []; + var style; + var row; + var cells; + var column; + var cellCount; + var cell; + var next; + var fence; + var pos; + var entry; + var final; + + // Check rows. + while (++index < length) { + row = rows[index]; + cells = row.children; + cellCount = cells.length; + column = -2; // Start without a first cell. + next = null; + final = undefined; + + // Check fences (before, between, and after cells). + while (++column < cellCount) { + cell = next; + next = cells[column + 1]; + + fence = contents.slice( + cell ? end$9(cell).offset : start$g(row).offset, + next ? start$g(next).offset : end$9(row).offset + ); + + pos = fence.indexOf('|'); + + if (cell && cell.children.length !== 0 && final !== undefined) { + entries.push({node: cell, start: final, end: pos, index: column}); + + // Detect max space per column. + sizes[column] = Math.max(sizes[column] || 0, size(cell)); + } else { + final = undefined; + } + + if (next && next.children.length !== 0) { + final = fence.length - pos - 1; + } else { + final = undefined; + } + } + } + + if (pref) { + style = pref === 'padded' ? 1 : 0; + } else { + style = entries[0] && (!entries[0].start || !entries[0].end) ? 0 : 1; + } + + index = -1; + length = entries.length; + + while (++index < length) { + entry = entries[index]; + checkSide('start', entry, style, sizes); + checkSide('end', entry, style, sizes); + } + + return unistUtilVisit.SKIP + } + + function checkSide(side, entry, style, sizes) { + var cell = entry.node; + var spacing = entry[side]; + var index = entry.index; + var reason; + + if (spacing === undefined || spacing === style) { + return + } + + reason = 'Cell should be '; + + if (style === 0) { + reason += 'compact'; + + // Ignore every cell except the biggest in the column. + if (size(cell) < sizes[index]) { + return + } + } else { + reason += 'padded'; + + if (spacing > style) { + reason += ' with 1 space, not ' + spacing; + + // May be right or center aligned. + if (size(cell) < sizes[index]) { + return + } + } + } + + file.message(reason, cell.position[side]); + } +} + +function size(node) { + return end$9(node).offset - start$g(node).offset +} + +var remarkLintTablePipes = unifiedLintRule('remark-lint:table-pipes', tablePipes); + +var start$h = unistUtilPosition.start; +var end$a = unistUtilPosition.end; + +var reasonStart = 'Missing initial pipe in table fence'; +var reasonEnd = 'Missing final pipe in table fence'; + +function tablePipes(tree, file) { + var contents = String(file); + + unistUtilVisit(tree, 'table', visitor); + + function visitor(node) { + var rows = node.children; + var length = rows.length; + var index = -1; + var row; + var cells; + var head; + var tail; + var initial; + var final; + + while (++index < length) { + row = rows[index]; + + if (!unistUtilGenerated(row)) { + cells = row.children; + head = cells[0]; + tail = cells[cells.length - 1]; + initial = contents.slice(start$h(row).offset, start$h(head).offset); + final = contents.slice(end$a(tail).offset, end$a(row).offset); + + if (initial.indexOf('|') === -1) { + file.message(reasonStart, start$h(row)); + } + + if (final.indexOf('|') === -1) { + file.message(reasonEnd, end$a(row)); + } + } + } + } +} + +var remarkLintUnorderedListMarkerStyle = unifiedLintRule( + 'remark-lint:unordered-list-marker-style', + unorderedListMarkerStyle +); + +var start$i = unistUtilPosition.start; + +var styles$4 = { + '-': true, + '*': true, + '+': true, + null: true +}; + +function unorderedListMarkerStyle(tree, file, pref) { + var contents = String(file); + + pref = typeof pref === 'string' && pref !== 'consistent' ? pref : null; + + if (styles$4[pref] !== true) { + file.fail( + 'Invalid unordered list-item marker style `' + + pref + + "`: use either `'-'`, `'*'`, or `'+'`" + ); + } + + unistUtilVisit(tree, 'list', visitor); + + function visitor(node) { + var children = node.children; + var length = node.ordered ? 0 : children.length; + var index = -1; + var child; + var marker; + + while (++index < length) { + child = children[index]; + + if (!unistUtilGenerated(child)) { + marker = contents + .slice(start$i(child).offset, start$i(child.children[0]).offset) + .replace(/\[[x ]?]\s*$/i, '') + .replace(/\s/g, ''); + + if (pref) { + if (marker !== pref) { + file.message('Marker style should be `' + pref + '`', child); + } + } else { + pref = marker; + } + } + } + } +} + +// Add in rules alphabetically +var plugins$2 = [ + remarkLint, + // Leave preset at the top so it can be overridden + remarkPresetLintRecommended, + [remarkLintBlockquoteIndentation, 2], + [ + remarkLintCheckboxCharacterStyle, + { + checked: "x", + unchecked: " " + } + ], + remarkLintCheckboxContentIndent, + [remarkLintCodeBlockStyle, "fenced"], + remarkLintDefinitionSpacing, + remarkLintFencedCodeFlag, + [remarkLintFencedCodeMarker, "`"], + [remarkLintFileExtension, "md"], + remarkLintFinalDefinition, + [remarkLintFirstHeadingLevel, 1], + [remarkLintHeadingStyle, "atx"], + [remarkLintListItemIndent, "space"], + remarkLintMaximumLineLength, + remarkLintNoConsecutiveBlankLines, + remarkLintNoFileNameArticles, + remarkLintNoFileNameConsecutiveDashes, + remarkLintNoFileNameOuterDashes, + remarkLintNoHeadingIndent, + [remarkLintNoLiteralUrls, false], + remarkLintNoMultipleToplevelHeadings, + remarkLintNoShellDollars, + remarkLintNoTableIndentation, + remarkLintNoTabs, + remarkLintNoTrailingSpaces, + [ + remarkLintProhibitedStrings, + [ + { no: "End-Of-Life", yes: "End-of-Life" }, + { no: "End-of-life", yes: "End-of-Life" }, + { no: "Github", yes: "GitHub" }, + { no: "hostname", yes: "host name" }, + { no: "[Jj]avascript", yes: "JavaScript" }, + { no: "Node", yes: "Node.js" }, + { no: "Node.JS", yes: "Node.js" }, + { no: "node.js", yes: "Node.js" }, + { no: "[Nn]ote that", yes: "" }, + { no: "Rfc", yes: "RFC" }, + { no: "[Rr][Ff][Cc]\\d+", yes: "RFC " }, + { no: "rfc", yes: "RFC" }, + { no: "UNIX", yes: "Unix" }, + { no: "unix", yes: "Unix" }, + { no: "v8", yes: "V8" } + ] + ], + remarkLintRuleStyle, + [remarkLintStrongMarker, "*"], + [remarkLintTableCellPadding, "padded"], + remarkLintTablePipes, + [remarkLintUnorderedListMarkerStyle, "*"] +]; + +var remarkPresetLintNode = { + plugins: plugins$2 +}; + +var proc = getCjsExportFromNamespace(_package$1); + +var cli = getCjsExportFromNamespace(_package$3); + +// To aid in future maintenance, this layout closely matches remark-cli/cli.js. +// https://github.com/remarkjs/remark/blob/master/packages/remark-cli/cli.js + + + + + + + + +unifiedArgs({ + processor: remark().use(remarkPresetLintNode), + name: proc.name, + description: cli.description, + version: [ + proc.name + ': ' + proc.version, + cli.name + ': ' + cli.version, + ].join(', '), + pluginPrefix: proc.name, + presetPrefix: proc.name + '-preset', + packageField: proc.name + 'Config', + rcName: '.' + proc.name + 'rc', + ignoreName: '.' + proc.name + 'ignore', + extensions: markdownExtensions$2, + detectConfig: false, +}); diff --git a/tools/node-lint-md-cli-rollup/package-lock.json b/tools/node-lint-md-cli-rollup/package-lock.json index 933c9ffbda3c7d..af4ac3812a00e1 100644 --- a/tools/node-lint-md-cli-rollup/package-lock.json +++ b/tools/node-lint-md-cli-rollup/package-lock.json @@ -1,20 +1,90 @@ { "name": "node-lint-md-cli-rollup", - "version": "2.0.1", + "version": "2.0.2", "lockfileVersion": 1, "requires": true, "dependencies": { + "@rollup/plugin-commonjs": { + "version": "11.0.1", + "resolved": "https://registry.npmjs.org/@rollup/plugin-commonjs/-/plugin-commonjs-11.0.1.tgz", + "integrity": "sha512-SaVUoaLDg3KnIXC5IBNIspr1APTYDzk05VaYcI6qz+0XX3ZlSCwAkfAhNSOxfd5GAdcm/63Noi4TowOY9MpcDg==", + "dev": true, + "requires": { + "@rollup/pluginutils": "^3.0.0", + "estree-walker": "^0.6.1", + "is-reference": "^1.1.2", + "magic-string": "^0.25.2", + "resolve": "^1.11.0" + } + }, + "@rollup/plugin-json": { + "version": "4.0.1", + "resolved": "https://registry.npmjs.org/@rollup/plugin-json/-/plugin-json-4.0.1.tgz", + "integrity": "sha512-soxllkhOGgchswBAAaTe7X9G80U2tjjHvXv0sBrriLJcC/89PkP59iTrKPOfbz3SjX088mKDmMhAscuyLz8ZSg==", + "dev": true, + "requires": { + "rollup-pluginutils": "^2.5.0" + } + }, + "@rollup/plugin-node-resolve": { + "version": "7.0.0", + "resolved": "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-7.0.0.tgz", + "integrity": "sha512-+vOx2+WMBMFotYKM3yYeDGZxIvcQ7yO4g+SuKDFsjKaq8Lw3EPgfB6qNlp8Z/3ceDCEhHvC9/b+PgBGwDQGbzQ==", + "dev": true, + "requires": { + "@rollup/pluginutils": "^3.0.0", + "@types/resolve": "0.0.8", + "builtin-modules": "^3.1.0", + "is-module": "^1.0.0", + "resolve": "^1.11.1" + } + }, + "@rollup/pluginutils": { + "version": "3.0.4", + "resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-3.0.4.tgz", + "integrity": "sha512-buc0oeq2zqQu2mpMyvZgAaQvitikYjT/4JYhA4EXwxX8/g0ZGHoGiX+0AwmfhrNqH4oJv67gn80sTZFQ/jL1bw==", + "dev": true, + "requires": { + "estree-walker": "^0.6.1" + } + }, + "@types/estree": { + "version": "0.0.39", + "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.39.tgz", + "integrity": "sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==", + "dev": true + }, + "@types/node": { + "version": "13.1.8", + "resolved": "https://registry.npmjs.org/@types/node/-/node-13.1.8.tgz", + "integrity": "sha512-6XzyyNM9EKQW4HKuzbo/CkOIjn/evtCmsU+MUM1xDfJ+3/rNjBttM1NgN7AOQvN6tP1Sl1D1PIKMreTArnxM9A==", + "dev": true + }, + "@types/resolve": { + "version": "0.0.8", + "resolved": "https://registry.npmjs.org/@types/resolve/-/resolve-0.0.8.tgz", + "integrity": "sha512-auApPaJf3NPfe18hSoJkp8EbZzer2ISk7o8mCC3M9he/a04+gbMF97NkpD2S8riMGvm4BMRI59/SZQSaLTKpsQ==", + "dev": true, + "requires": { + "@types/node": "*" + } + }, "@types/unist": { "version": "2.0.3", "resolved": "https://registry.npmjs.org/@types/unist/-/unist-2.0.3.tgz", "integrity": "sha512-FvUupuM3rlRsRtCN+fDudtmytGO6iHJuuRKS1Ss0pG5z8oX0diNEw94UEL7hgDbpN94rgaK5R7sWm6RrSkZuAQ==" }, - "@zeit/ncc": { - "version": "0.21.0", - "resolved": "https://registry.npmjs.org/@zeit/ncc/-/ncc-0.21.0.tgz", - "integrity": "sha512-RUMdvVK/w78oo+yBjruZltt0kJXYar2un/1bYQ2LuHG7GmFVm+QjxzEmySwREctaJdEnBvlMdUNWd9hXHxEI3g==", + "acorn": { + "version": "7.1.0", + "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz", + "integrity": "sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==", "dev": true }, + "ansi-regex": { + "version": "5.0.0", + "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz", + "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==" + }, "ansi-styles": { "version": "3.2.1", "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz", @@ -77,6 +147,12 @@ "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz", "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==" }, + "builtin-modules": { + "version": "3.1.0", + "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-3.1.0.tgz", + "integrity": "sha512-k0KL0aWZuBt2lrxrcASWDfwOLMnodeQjodT/1SxEQAXsHANgo6ZC/VEaSEHCXt7aSTZ4/4H5LKa+tBXmW7Vtvw==", + "dev": true + }, "camelcase": { "version": "5.3.1", "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz", @@ -160,6 +236,17 @@ "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz", "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=" }, + "concat-stream": { + "version": "2.0.0", + "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-2.0.0.tgz", + "integrity": "sha512-MWufYdFw53ccGjCA+Ol7XJYpAlW6/prSMzuPOTRnJGcGzuhLn4Scrz7qf6o8bROZ514ltazcIFJZevcfbo0x7A==", + "requires": { + "buffer-from": "^1.0.0", + "inherits": "^2.0.3", + "readable-stream": "^3.0.2", + "typedarray": "^0.0.6" + } + }, "debug": { "version": "4.1.1", "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz", @@ -186,6 +273,12 @@ "is-arrayish": "^0.2.1" } }, + "es6-object-assign": { + "version": "1.1.0", + "resolved": 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+ "ignore": { + "version": "5.1.4", + "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.1.4.tgz", + "integrity": "sha512-MzbUSahkTW1u7JpKKjY7LCARd1fU5W2rLdxlM4kdkayuCwZImjkpluF9CM1aLewYJguPDqewLam18Y6AU69A8A==" + }, "inflight": { "version": "1.0.6", "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz", @@ -291,6 +395,12 @@ "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz", "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==" }, + "interpret": { + "version": "1.2.0", + "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.2.0.tgz", + "integrity": "sha512-mT34yGKMNceBQUoVn7iCDKDntA7SC6gycMAWzGx1z/CMCTV7b2AAtXlo3nRyHZ1FelRkQbQjprHSYGwzLtkVbw==", + "dev": true + }, "irregular-plurals": { "version": "2.0.0", "resolved": "https://registry.npmjs.org/irregular-plurals/-/irregular-plurals-2.0.0.tgz", @@ -348,6 +458,11 @@ "resolved": 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"fault": "^1.0.0", + "figures": "^3.0.0", + "fn-name": "^2.0.1", + "glob": "^7.0.3", + "ignore": "^5.0.0", + "is-empty": "^1.0.0", + "is-hidden": "^1.0.1", + "is-object": "^1.0.1", + "js-yaml": "^3.6.1", + "load-plugin": "^2.0.0", + "parse-json": "^4.0.0", + "to-vfile": "^6.0.0", + "trough": "^1.0.0", + "unist-util-inspect": "^4.1.2", + "vfile-reporter": "^6.0.0", + "vfile-statistics": "^1.1.0", + "x-is-string": "^0.1.0", + "xtend": "^4.0.1" } }, "unified-lint-rule": { @@ -1531,6 +1693,29 @@ "unist-util-stringify-position": "^2.0.0" } }, + "vfile-reporter": { + "version": "6.0.0", + "resolved": "https://registry.npmjs.org/vfile-reporter/-/vfile-reporter-6.0.0.tgz", + "integrity": "sha512-8Is0XxFxWJUhPJdOg3CyZTqd3ICCWg6r304PuBl818ZG91h4FMS3Q+lrOPS+cs5/DZK3H0+AkJdH0J8JEwKtDA==", + "requires": { + "repeat-string": "^1.5.0", + "string-width": "^4.0.0", + "supports-color": "^6.0.0", + "unist-util-stringify-position": "^2.0.0", + "vfile-sort": "^2.1.2", + "vfile-statistics": "^1.1.0" + }, + "dependencies": { + "supports-color": { + "version": "6.1.0", + "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz", + "integrity": "sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==", + "requires": { + "has-flag": "^3.0.0" + } + } + } + }, "vfile-sort": { "version": "2.2.1", "resolved": "https://registry.npmjs.org/vfile-sort/-/vfile-sort-2.2.1.tgz", diff --git a/tools/node-lint-md-cli-rollup/package.json b/tools/node-lint-md-cli-rollup/package.json index 8e02bbcac7140f..67cad50ce21516 100644 --- a/tools/node-lint-md-cli-rollup/package.json +++ b/tools/node-lint-md-cli-rollup/package.json @@ -1,20 +1,24 @@ { "name": "node-lint-md-cli-rollup", "description": "remark packaged for Node.js Markdown linting", - "version": "2.0.1", + "version": "2.0.2", "devDependencies": { - "@zeit/ncc": "^0.21.0" + "@rollup/plugin-commonjs": "^11.0.1", + "@rollup/plugin-json": "^4.0.1", + "@rollup/plugin-node-resolve": "^7.0.0", + "rollup": "^1.30.1", + "shx": "^0.3.2" }, "dependencies": { "markdown-extensions": "^1.1.1", "remark": "^11.0.2", "remark-lint": "^6.0.5", - "remark-preset-lint-node": "^1.11.0", + "remark-preset-lint-node": "^1.12.0", "unified-args": "^7.1.0" }, - "main": "src/cli-entry.js", + "main": "dist/index.js", "scripts": { - "build": "ncc build -m", - "build-node": "npm run build && cp dist/index.js ../lint-md.js" + "build": "npx rollup -c", + "build-node": "npm run build && npx shx cp dist/index.js ../lint-md.js" } } diff --git a/tools/node-lint-md-cli-rollup/rollup.config.js b/tools/node-lint-md-cli-rollup/rollup.config.js new file mode 100644 index 00000000000000..73770d8836a9df --- /dev/null +++ b/tools/node-lint-md-cli-rollup/rollup.config.js @@ -0,0 +1,51 @@ +'use strict'; + +const resolve = require('@rollup/plugin-node-resolve'); +const commonjs = require('@rollup/plugin-commonjs'); +const json = require('@rollup/plugin-json'); + +module.exports = { + input: 'src/cli-entry.js', + output: { + file: 'dist/index.js', + format: 'cjs', + sourcemap: false, + }, + external: [ + 'stream', + 'path', + 'module', + 'util', + 'tty', + 'os', + 'fs', + 'fsevents', + 'events', + 'assert', + ], + plugins: [ + { + name: 'brute-replace', + transform(code, id) { + const normID = id.replace(__dirname, '').replace(/\\+/g, '/'); + if (normID === '/node_modules/concat-stream/index.js') { + return code.replace('\'readable-stream\'', '\'stream\''); + } + if (normID === '/node_modules/unified-args/lib/options.js') { + return code.replace('\'./schema\'', '\'./schema.json\''); + } + if (normID === '/node_modules/chokidar/lib/fsevents-handler.js' && + process.platform !== 'darwin') { + return code.replace( + 'fsevents = require(\'fsevents\');', 'fsevents = undefined;' + ); + } + } + }, + json({ + preferConst: true + }), + resolve(), // tells Rollup how to find date-fns in node_modules + commonjs(), // Converts date-fns to ES modules + ] +}; diff --git a/tools/node-lint-md-cli-rollup/src/cli-entry.js b/tools/node-lint-md-cli-rollup/src/cli-entry.js index 9fe8050b7ee071..a66c4a6894aef6 100644 --- a/tools/node-lint-md-cli-rollup/src/cli-entry.js +++ b/tools/node-lint-md-cli-rollup/src/cli-entry.js @@ -1,4 +1,3 @@ -#!/usr/bin/env node 'use strict'; // To aid in future maintenance, this layout closely matches remark-cli/cli.js. From c125d46380c0b1b1b13327830957f8f2141dce27 Mon Sep 17 00:00:00 2001 From: Denys Otrishko Date: Mon, 10 Feb 2020 00:17:33 +0200 Subject: [PATCH 181/224] src: allow to reuse env options handling PR-URL: https://github.com/nodejs/node/pull/31711 Reviewed-By: Anna Henningsen Reviewed-By: Benjamin Gruenbaum --- src/node.cc | 73 ++++-------------------------------------- src/node_options-inl.h | 2 +- src/node_options.cc | 63 ++++++++++++++++++++++++++++++++++++ src/node_options.h | 7 ++++ 4 files changed, 77 insertions(+), 68 deletions(-) diff --git a/src/node.cc b/src/node.cc index 73a0f1439f5501..23ac19479dddf4 100644 --- a/src/node.cc +++ b/src/node.cc @@ -741,80 +741,19 @@ int InitializeNodeWithArgs(std::vector* argv, V8::SetFlagsFromString(NODE_V8_OPTIONS, sizeof(NODE_V8_OPTIONS) - 1); #endif - std::shared_ptr default_env_options = - per_process::cli_options->per_isolate->per_env; - { - std::string text; - default_env_options->pending_deprecation = - credentials::SafeGetenv("NODE_PENDING_DEPRECATION", &text) && - text[0] == '1'; - } - - // Allow for environment set preserving symlinks. - { - std::string text; - default_env_options->preserve_symlinks = - credentials::SafeGetenv("NODE_PRESERVE_SYMLINKS", &text) && - text[0] == '1'; - } - - { - std::string text; - default_env_options->preserve_symlinks_main = - credentials::SafeGetenv("NODE_PRESERVE_SYMLINKS_MAIN", &text) && - text[0] == '1'; - } - - if (default_env_options->redirect_warnings.empty()) { - credentials::SafeGetenv("NODE_REDIRECT_WARNINGS", - &default_env_options->redirect_warnings); - } + HandleEnvOptions(per_process::cli_options->per_isolate->per_env); #if !defined(NODE_WITHOUT_NODE_OPTIONS) std::string node_options; if (credentials::SafeGetenv("NODE_OPTIONS", &node_options)) { - std::vector env_argv; - // [0] is expected to be the program name, fill it in from the real argv. - env_argv.push_back(argv->at(0)); - - bool is_in_string = false; - bool will_start_new_arg = true; - for (std::string::size_type index = 0; - index < node_options.size(); - ++index) { - char c = node_options.at(index); - - // Backslashes escape the following character - if (c == '\\' && is_in_string) { - if (index + 1 == node_options.size()) { - errors->push_back("invalid value for NODE_OPTIONS " - "(invalid escape)\n"); - return 9; - } else { - c = node_options.at(++index); - } - } else if (c == ' ' && !is_in_string) { - will_start_new_arg = true; - continue; - } else if (c == '"') { - is_in_string = !is_in_string; - continue; - } + std::vector env_argv = + ParseNodeOptionsEnvVar(node_options, errors); - if (will_start_new_arg) { - env_argv.emplace_back(std::string(1, c)); - will_start_new_arg = false; - } else { - env_argv.back() += c; - } - } + if (!errors->empty()) return 9; - if (is_in_string) { - errors->push_back("invalid value for NODE_OPTIONS " - "(unterminated string)\n"); - return 9; - } + // [0] is expected to be the program name, fill it in from the real argv. + env_argv.insert(env_argv.begin(), argv->at(0)); const int exit_code = ProcessGlobalArgs(&env_argv, nullptr, diff --git a/src/node_options-inl.h b/src/node_options-inl.h index 8bb5b6155a21d1..885cb849744205 100644 --- a/src/node_options-inl.h +++ b/src/node_options-inl.h @@ -3,9 +3,9 @@ #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS +#include #include "node_options.h" #include "util.h" -#include namespace node { diff --git a/src/node_options.cc b/src/node_options.cc index ed46978236675a..e9bfa1e29a6d2b 100644 --- a/src/node_options.cc +++ b/src/node_options.cc @@ -3,6 +3,7 @@ #include "env-inl.h" #include "node_binding.h" +#include "node_internals.h" #include #include @@ -1032,6 +1033,68 @@ void Initialize(Local target, } } // namespace options_parser + +void HandleEnvOptions(std::shared_ptr env_options) { + HandleEnvOptions(env_options, [](const char* name) { + std::string text; + return credentials::SafeGetenv(name, &text) ? text : ""; + }); +} + +void HandleEnvOptions(std::shared_ptr env_options, + std::function opt_getter) { + env_options->pending_deprecation = + opt_getter("NODE_PENDING_DEPRECATION") == "1"; + + env_options->preserve_symlinks = opt_getter("NODE_PRESERVE_SYMLINKS") == "1"; + + env_options->preserve_symlinks_main = + opt_getter("NODE_PRESERVE_SYMLINKS_MAIN") == "1"; + + if (env_options->redirect_warnings.empty()) + env_options->redirect_warnings = opt_getter("NODE_REDIRECT_WARNINGS"); +} + +std::vector ParseNodeOptionsEnvVar( + const std::string& node_options, std::vector* errors) { + std::vector env_argv; + + bool is_in_string = false; + bool will_start_new_arg = true; + for (std::string::size_type index = 0; index < node_options.size(); ++index) { + char c = node_options.at(index); + + // Backslashes escape the following character + if (c == '\\' && is_in_string) { + if (index + 1 == node_options.size()) { + errors->push_back("invalid value for NODE_OPTIONS " + "(invalid escape)\n"); + return env_argv; + } else { + c = node_options.at(++index); + } + } else if (c == ' ' && !is_in_string) { + will_start_new_arg = true; + continue; + } else if (c == '"') { + is_in_string = !is_in_string; + continue; + } + + if (will_start_new_arg) { + env_argv.emplace_back(std::string(1, c)); + will_start_new_arg = false; + } else { + env_argv.back() += c; + } + } + + if (is_in_string) { + errors->push_back("invalid value for NODE_OPTIONS " + "(unterminated string)\n"); + } + return env_argv; +} } // namespace node NODE_MODULE_CONTEXT_AWARE_INTERNAL(options, node::options_parser::Initialize) diff --git a/src/node_options.h b/src/node_options.h index 60daf360d98d91..13f636e35742f6 100644 --- a/src/node_options.h +++ b/src/node_options.h @@ -456,6 +456,13 @@ extern Mutex cli_options_mutex; extern std::shared_ptr cli_options; } // namespace per_process + +void HandleEnvOptions(std::shared_ptr env_options); +void HandleEnvOptions(std::shared_ptr env_options, + std::function opt_getter); + +std::vector ParseNodeOptionsEnvVar( + const std::string& node_options, std::vector* errors); } // namespace node #endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS From ad4d60c96c53c49a506667cbef752da851c6ddf4 Mon Sep 17 00:00:00 2001 From: Denys Otrishko Date: Mon, 10 Feb 2020 00:18:10 +0200 Subject: [PATCH 182/224] worker: properly handle env and NODE_OPTIONS in workers PR-URL: https://github.com/nodejs/node/pull/31711 Fixes: https://github.com/nodejs/node/issues/30627 Reviewed-By: Anna Henningsen Reviewed-By: Benjamin Gruenbaum --- lib/internal/errors.js | 4 +- lib/internal/worker.js | 13 ++- src/node_worker.cc | 118 +++++++++++++++++-------- src/node_worker.h | 3 +- test/parallel/test-cli-node-options.js | 100 +++++++++++++++------ test/parallel/test-require-symlink.js | 30 ++++++- 6 files changed, 193 insertions(+), 75 deletions(-) diff --git a/lib/internal/errors.js b/lib/internal/errors.js index 97069fc6ef7bfc..ae2028f8a2955e 100644 --- a/lib/internal/errors.js +++ b/lib/internal/errors.js @@ -1344,8 +1344,8 @@ E('ERR_VM_MODULE_NOT_MODULE', 'Provided module is not an instance of Module', Error); E('ERR_VM_MODULE_STATUS', 'Module status %s', Error); E('ERR_WASI_ALREADY_STARTED', 'WASI instance has already started', Error); -E('ERR_WORKER_INVALID_EXEC_ARGV', (errors) => - `Initiated Worker with invalid execArgv flags: ${errors.join(', ')}`, +E('ERR_WORKER_INVALID_EXEC_ARGV', (errors, msg = 'invalid execArgv flags') => + `Initiated Worker with ${msg}: ${errors.join(', ')}`, Error); E('ERR_WORKER_OUT_OF_MEMORY', 'Worker terminated due to reaching memory limit', Error); diff --git a/lib/internal/worker.js b/lib/internal/worker.js index f078d5329d6017..d7adfda5fa3927 100644 --- a/lib/internal/worker.js +++ b/lib/internal/worker.js @@ -124,17 +124,16 @@ class Worker extends EventEmitter { const url = options.eval ? null : pathToFileURL(filename); // Set up the C++ handle for the worker, as well as some internal wiring. - this[kHandle] = new WorkerImpl(url, options.execArgv, + this[kHandle] = new WorkerImpl(url, + env === process.env ? null : env, + options.execArgv, parseResourceLimits(options.resourceLimits)); if (this[kHandle].invalidExecArgv) { throw new ERR_WORKER_INVALID_EXEC_ARGV(this[kHandle].invalidExecArgv); } - if (env === process.env) { - // This may be faster than manually cloning the object in C++, especially - // when recursively spawning Workers. - this[kHandle].cloneParentEnvVars(); - } else if (env !== undefined) { - this[kHandle].setEnvVars(env); + if (this[kHandle].invalidNodeOptions) { + throw new ERR_WORKER_INVALID_EXEC_ARGV( + this[kHandle].invalidNodeOptions, 'invalid NODE_OPTIONS env variable'); } this[kHandle].onexit = (code, customErr) => this[kOnExit](code, customErr); this[kPort] = this[kHandle].messagePort; diff --git a/src/node_worker.cc b/src/node_worker.cc index aa93086cb19a08..30d3a138b16cf7 100644 --- a/src/node_worker.cc +++ b/src/node_worker.cc @@ -16,6 +16,7 @@ #include #include +using node::kAllowedInEnvironment; using node::kDisallowedInEnvironment; using v8::Array; using v8::ArrayBuffer; @@ -46,7 +47,8 @@ Worker::Worker(Environment* env, Local wrap, const std::string& url, std::shared_ptr per_isolate_opts, - std::vector&& exec_argv) + std::vector&& exec_argv, + std::shared_ptr env_vars) : AsyncWrap(env, wrap, AsyncWrap::PROVIDER_WORKER), per_isolate_opts_(per_isolate_opts), exec_argv_(exec_argv), @@ -54,7 +56,7 @@ Worker::Worker(Environment* env, array_buffer_allocator_(ArrayBufferAllocator::Create()), start_profiler_idle_notifier_(env->profiler_idle_notifier_started()), thread_id_(Environment::AllocateThreadId()), - env_vars_(env->env_vars()) { + env_vars_(env_vars) { Debug(this, "Creating new worker instance with thread id %llu", thread_id_); // Set up everything that needs to be set up in the parent environment. @@ -445,6 +447,7 @@ Worker::~Worker() { void Worker::New(const FunctionCallbackInfo& args) { Environment* env = Environment::GetCurrent(args); + Isolate* isolate = args.GetIsolate(); CHECK(args.IsConstructCall()); @@ -455,24 +458,81 @@ void Worker::New(const FunctionCallbackInfo& args) { std::string url; std::shared_ptr per_isolate_opts = nullptr; + std::shared_ptr env_vars = nullptr; std::vector exec_argv_out; - bool has_explicit_exec_argv = false; - CHECK_EQ(args.Length(), 3); + CHECK_EQ(args.Length(), 4); // Argument might be a string or URL if (!args[0]->IsNullOrUndefined()) { Utf8Value value( - args.GetIsolate(), - args[0]->ToString(env->context()).FromMaybe(Local())); + isolate, args[0]->ToString(env->context()).FromMaybe(Local())); url.append(value.out(), value.length()); } - if (args[1]->IsArray()) { - Local array = args[1].As(); + if (args[1]->IsNull()) { + // Means worker.env = { ...process.env }. + env_vars = env->env_vars()->Clone(isolate); + } else if (args[1]->IsObject()) { + // User provided env. + env_vars = KVStore::CreateMapKVStore(); + env_vars->AssignFromObject(isolate->GetCurrentContext(), + args[1].As()); + } else { + // Env is shared. + env_vars = env->env_vars(); + } + + if (args[1]->IsObject() || args[2]->IsArray()) { + per_isolate_opts.reset(new PerIsolateOptions()); + + HandleEnvOptions( + per_isolate_opts->per_env, [isolate, &env_vars](const char* name) { + MaybeLocal value = + env_vars->Get(isolate, OneByteString(isolate, name)); + return value.IsEmpty() ? std::string{} + : std::string(*String::Utf8Value( + isolate, value.ToLocalChecked())); + }); + +#ifndef NODE_WITHOUT_NODE_OPTIONS + MaybeLocal maybe_node_opts = + env_vars->Get(isolate, OneByteString(isolate, "NODE_OPTIONS")); + if (!maybe_node_opts.IsEmpty()) { + std::string node_options( + *String::Utf8Value(isolate, maybe_node_opts.ToLocalChecked())); + std::vector errors{}; + std::vector env_argv = + ParseNodeOptionsEnvVar(node_options, &errors); + // [0] is expected to be the program name, add dummy string. + env_argv.insert(env_argv.begin(), ""); + std::vector invalid_args{}; + options_parser::Parse(&env_argv, + nullptr, + &invalid_args, + per_isolate_opts.get(), + kAllowedInEnvironment, + &errors); + if (errors.size() > 0 && args[1]->IsObject()) { + // Only fail for explicitly provided env, this protects from failures + // when NODE_OPTIONS from parent's env is used (which is the default). + Local error; + if (!ToV8Value(env->context(), errors).ToLocal(&error)) return; + Local key = + FIXED_ONE_BYTE_STRING(env->isolate(), "invalidNodeOptions"); + // Ignore the return value of Set() because exceptions bubble up to JS + // when we return anyway. + USE(args.This()->Set(env->context(), key, error)); + return; + } + } +#endif + } + + if (args[2]->IsArray()) { + Local array = args[2].As(); // The first argument is reserved for program name, but we don't need it // in workers. - has_explicit_exec_argv = true; std::vector exec_argv = {""}; uint32_t length = array->Length(); for (uint32_t i = 0; i < length; i++) { @@ -494,8 +554,6 @@ void Worker::New(const FunctionCallbackInfo& args) { std::vector invalid_args{}; std::vector errors{}; - per_isolate_opts.reset(new PerIsolateOptions()); - // Using invalid_args as the v8_args argument as it stores unknown // options for the per isolate parser. options_parser::Parse( @@ -522,40 +580,24 @@ void Worker::New(const FunctionCallbackInfo& args) { USE(args.This()->Set(env->context(), key, error)); return; } - } - if (!has_explicit_exec_argv) + } else { exec_argv_out = env->exec_argv(); + } - Worker* worker = - new Worker(env, args.This(), url, per_isolate_opts, - std::move(exec_argv_out)); + Worker* worker = new Worker(env, + args.This(), + url, + per_isolate_opts, + std::move(exec_argv_out), + env_vars); - CHECK(args[2]->IsFloat64Array()); - Local limit_info = args[2].As(); + CHECK(args[3]->IsFloat64Array()); + Local limit_info = args[3].As(); CHECK_EQ(limit_info->Length(), kTotalResourceLimitCount); limit_info->CopyContents(worker->resource_limits_, sizeof(worker->resource_limits_)); } -void Worker::CloneParentEnvVars(const FunctionCallbackInfo& args) { - Worker* w; - ASSIGN_OR_RETURN_UNWRAP(&w, args.This()); - CHECK(w->thread_joined_); // The Worker has not started yet. - - w->env_vars_ = w->env()->env_vars()->Clone(args.GetIsolate()); -} - -void Worker::SetEnvVars(const FunctionCallbackInfo& args) { - Worker* w; - ASSIGN_OR_RETURN_UNWRAP(&w, args.This()); - CHECK(w->thread_joined_); // The Worker has not started yet. - - CHECK(args[0]->IsObject()); - w->env_vars_ = KVStore::CreateMapKVStore(); - w->env_vars_->AssignFromObject(args.GetIsolate()->GetCurrentContext(), - args[0].As()); -} - void Worker::StartThread(const FunctionCallbackInfo& args) { Worker* w; ASSIGN_OR_RETURN_UNWRAP(&w, args.This()); @@ -663,8 +705,6 @@ void InitWorker(Local target, w->InstanceTemplate()->SetInternalFieldCount(1); w->Inherit(AsyncWrap::GetConstructorTemplate(env)); - env->SetProtoMethod(w, "setEnvVars", Worker::SetEnvVars); - env->SetProtoMethod(w, "cloneParentEnvVars", Worker::CloneParentEnvVars); env->SetProtoMethod(w, "startThread", Worker::StartThread); env->SetProtoMethod(w, "stopThread", Worker::StopThread); env->SetProtoMethod(w, "ref", Worker::Ref); diff --git a/src/node_worker.h b/src/node_worker.h index 50d09b6c62011e..3a15a1d3dbbd7f 100644 --- a/src/node_worker.h +++ b/src/node_worker.h @@ -26,7 +26,8 @@ class Worker : public AsyncWrap { v8::Local wrap, const std::string& url, std::shared_ptr per_isolate_opts, - std::vector&& exec_argv); + std::vector&& exec_argv, + std::shared_ptr env_vars); ~Worker() override; // Run the worker. This is only called from the worker thread. diff --git a/test/parallel/test-cli-node-options.js b/test/parallel/test-cli-node-options.js index 698f463b627644..51a0d9a952e614 100644 --- a/test/parallel/test-cli-node-options.js +++ b/test/parallel/test-cli-node-options.js @@ -7,6 +7,7 @@ if (process.config.variables.node_without_node_options) const assert = require('assert'); const exec = require('child_process').execFile; +const { Worker } = require('worker_threads'); const tmpdir = require('../common/tmpdir'); tmpdir.refresh(); @@ -14,13 +15,13 @@ tmpdir.refresh(); const printA = require.resolve('../fixtures/printA.js'); const printSpaceA = require.resolve('../fixtures/print A.js'); -expect(` -r ${printA} `, 'A\nB\n'); -expect(`-r ${printA}`, 'A\nB\n'); -expect(`-r ${JSON.stringify(printA)}`, 'A\nB\n'); -expect(`-r ${JSON.stringify(printSpaceA)}`, 'A\nB\n'); -expect(`-r ${printA} -r ${printA}`, 'A\nB\n'); -expect(` -r ${printA} -r ${printA}`, 'A\nB\n'); -expect(` --require ${printA} --require ${printA}`, 'A\nB\n'); +expectNoWorker(` -r ${printA} `, 'A\nB\n'); +expectNoWorker(`-r ${printA}`, 'A\nB\n'); +expectNoWorker(`-r ${JSON.stringify(printA)}`, 'A\nB\n'); +expectNoWorker(`-r ${JSON.stringify(printSpaceA)}`, 'A\nB\n'); +expectNoWorker(`-r ${printA} -r ${printA}`, 'A\nB\n'); +expectNoWorker(` -r ${printA} -r ${printA}`, 'A\nB\n'); +expectNoWorker(` --require ${printA} --require ${printA}`, 'A\nB\n'); expect('--no-deprecation', 'B\n'); expect('--no-warnings', 'B\n'); expect('--no_warnings', 'B\n'); @@ -28,16 +29,22 @@ expect('--trace-warnings', 'B\n'); expect('--redirect-warnings=_', 'B\n'); expect('--trace-deprecation', 'B\n'); expect('--trace-sync-io', 'B\n'); -expect('--trace-events-enabled', 'B\n'); +expectNoWorker('--trace-events-enabled', 'B\n'); expect('--track-heap-objects', 'B\n'); -expect('--throw-deprecation', 'B\n'); -expect('--zero-fill-buffers', 'B\n'); -expect('--v8-pool-size=10', 'B\n'); -expect('--trace-event-categories node', 'B\n'); -// eslint-disable-next-line no-template-curly-in-string -expect('--trace-event-file-pattern {pid}-${rotation}.trace_events', 'B\n'); +expect('--throw-deprecation', + /.*DeprecationWarning: Buffer\(\) is deprecated due to security and usability issues.*/, + 'new Buffer(42)', + true); +expectNoWorker('--zero-fill-buffers', 'B\n'); +expectNoWorker('--v8-pool-size=10', 'B\n'); +expectNoWorker('--trace-event-categories node', 'B\n'); +expectNoWorker( + // eslint-disable-next-line no-template-curly-in-string + '--trace-event-file-pattern {pid}-${rotation}.trace_events', + 'B\n' +); // eslint-disable-next-line no-template-curly-in-string -expect('--trace-event-file-pattern {pid}-${rotation}.trace_events ' + +expectNoWorker('--trace-event-file-pattern {pid}-${rotation}.trace_events ' + '--trace-event-categories node.async_hooks', 'B\n'); expect('--unhandled-rejections=none', 'B\n'); @@ -53,9 +60,9 @@ if (common.isLinux && ['arm', 'x64'].includes(process.arch)) { } if (common.hasCrypto) { - expect('--use-openssl-ca', 'B\n'); - expect('--use-bundled-ca', 'B\n'); - expect('--openssl-config=_ossl_cfg', 'B\n'); + expectNoWorker('--use-openssl-ca', 'B\n'); + expectNoWorker('--use-bundled-ca', 'B\n'); + expectNoWorker('--openssl-config=_ossl_cfg', 'B\n'); } // V8 options @@ -63,14 +70,20 @@ expect('--abort_on-uncaught_exception', 'B\n'); expect('--disallow-code-generation-from-strings', 'B\n'); expect('--max-old-space-size=0', 'B\n'); expect('--stack-trace-limit=100', - /(\s*at f \(\[eval\]:1:\d*\)\r?\n){100}/, + /(\s*at f \(\[(eval|worker eval)\]:1:\d*\)\r?\n)/, '(function f() { f(); })();', true); // Unsupported on arm. See https://crbug.com/v8/8713. if (!['arm', 'arm64'].includes(process.arch)) expect('--interpreted-frames-native-stack', 'B\n'); -function expect(opt, want, command = 'console.log("B")', wantsError = false) { +function expectNoWorker(opt, want, command, wantsError) { + expect(opt, want, command, wantsError, false); +} + +function expect( + opt, want, command = 'console.log("B")', wantsError = false, testWorker = true +) { const argv = ['-e', command]; const opts = { cwd: tmpdir.path, @@ -79,15 +92,52 @@ function expect(opt, want, command = 'console.log("B")', wantsError = false) { }; if (typeof want === 'string') want = new RegExp(want); - exec(process.execPath, argv, opts, common.mustCall((err, stdout, stderr) => { + + const test = (type) => common.mustCall((err, stdout) => { + const o = JSON.stringify(opt); if (wantsError) { - stdout = stderr; + assert.ok(err, `${type}: expected error for ${o}`); + stdout = err.stack; } else { - assert.ifError(err); + assert.ifError(err, `${type}: failed for ${o}`); } if (want.test(stdout)) return; - const o = JSON.stringify(opt); - assert.fail(`For ${o}, failed to find ${want} in: <\n${stdout}\n>`); + assert.fail( + `${type}: for ${o}, failed to find ${want} in: <\n${stdout}\n>` + ); + }); + + exec(process.execPath, argv, opts, test('child process')); + if (testWorker) + workerTest(opts, command, wantsError, test('worker')); +} + +async function collectStream(readable) { + readable.setEncoding('utf8'); + let data = ''; + for await (const chunk of readable) { + data += chunk; + } + return data; +} + +function workerTest(opts, command, wantsError, test) { + let workerError = null; + const worker = new Worker(command, { + ...opts, + execArgv: [], + eval: true, + stdout: true, + stderr: true + }); + worker.on('error', (err) => { + workerError = err; + }); + worker.on('exit', common.mustCall((code) => { + assert.strictEqual(code, wantsError ? 1 : 0); + collectStream(worker.stdout).then((stdout) => { + test(workerError, stdout); + }); })); } diff --git a/test/parallel/test-require-symlink.js b/test/parallel/test-require-symlink.js index 2e8a03ac820df5..14eefcd60d32dc 100644 --- a/test/parallel/test-require-symlink.js +++ b/test/parallel/test-require-symlink.js @@ -12,6 +12,7 @@ const { spawn } = require('child_process'); const fs = require('fs'); const path = require('path'); const process = require('process'); +const { Worker } = require('worker_threads'); // Setup: Copy fixtures to tmp directory. @@ -53,7 +54,7 @@ const linkDir = path.join(dirName, const linkTarget = path.join('..', '..', 'dep2'); -const linkScript = 'linkscript.js'; +const linkScript = './linkscript.js'; const linkScriptTarget = path.join(dirName, 'symlinked.js'); @@ -84,4 +85,31 @@ function test() { assert.strictEqual(code, 0); assert(!signal); }); + + // Also verify that symlinks works for setting preserve via env variables in + // Workers. + const worker = new Worker(linkScript, { + env: { ...process.env, NODE_PRESERVE_SYMLINKS: '1' } + }); + worker.on('error', (err) => { + console.log('Worker failed'); + throw err; + }); + worker.on('exit', common.mustCall((code) => { + assert.strictEqual(code, 0); + })); + + // Also verify that symlinks works for setting preserve via env variables in + // Workers with explicit execArgv. + const workerArgv = new Worker(linkScript, { + execArgv: [], + env: { ...process.env, NODE_PRESERVE_SYMLINKS: '1' } + }); + workerArgv.on('error', (err) => { + console.log('Worker with execArgv failed'); + throw err; + }); + workerArgv.on('exit', common.mustCall((code) => { + assert.strictEqual(code, 0); + })); } From 7d2fe7d6ed66b984971db9c3679612f9a145737b Mon Sep 17 00:00:00 2001 From: Ben Noordhuis Date: Thu, 13 Feb 2020 16:31:05 +0100 Subject: [PATCH 183/224] src: add ExclusiveAccess class MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Similar to Rust's `std::sync::Mutex` in that it requires one to unwrap the object before accessing it, acquiring the mutex in the process. PR-URL: https://github.com/nodejs/node/pull/31717 Reviewed-By: James M Snell Reviewed-By: Colin Ihrig Reviewed-By: Anna Henningsen Reviewed-By: Tobias Nießen Reviewed-By: David Carlier --- src/node_mutex.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/src/node_mutex.h b/src/node_mutex.h index 807e1444f1eb8b..b82505cc639b7a 100644 --- a/src/node_mutex.h +++ b/src/node_mutex.h @@ -6,6 +6,9 @@ #include "util.h" #include "uv.h" +#include // std::shared_ptr +#include // std::forward + namespace node { template class ConditionVariableBase; @@ -15,6 +18,51 @@ struct LibuvMutexTraits; using ConditionVariable = ConditionVariableBase; using Mutex = MutexBase; +template +class ExclusiveAccess { + public: + ExclusiveAccess() = default; + + template + explicit ExclusiveAccess(Args&&... args) + : item_(std::forward(args)...) {} + + ExclusiveAccess(const ExclusiveAccess&) = delete; + ExclusiveAccess& operator=(const ExclusiveAccess&) = delete; + + class Scoped { + public: + // ExclusiveAccess will commonly be used in conjuction with std::shared_ptr + // and without this constructor it's too easy to forget to keep a reference + // around to the shared_ptr while operating on the ExclusiveAccess object. + explicit Scoped(const std::shared_ptr& shared) + : shared_(shared) + , scoped_lock_(shared->mutex_) + , pointer_(&shared->item_) {} + + explicit Scoped(ExclusiveAccess* exclusive_access) + : shared_() + , scoped_lock_(exclusive_access->mutex_) + , pointer_(&exclusive_access->item_) {} + + T& operator*() const { return *pointer_; } + T* operator->() const { return pointer_; } + + Scoped(const Scoped&) = delete; + Scoped& operator=(const Scoped&) = delete; + + private: + std::shared_ptr shared_; + typename MutexT::ScopedLock scoped_lock_; + T* const pointer_; + }; + + private: + friend class ScopedLock; + MutexT mutex_; + T item_; +}; + template class MutexBase { public: From a6865502499b33fe40e289c1c3273edff5e3932e Mon Sep 17 00:00:00 2001 From: Ben Noordhuis Date: Thu, 13 Feb 2020 16:31:05 +0100 Subject: [PATCH 184/224] src: wrap HostPort in ExclusiveAccess MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit I found it exceedingly hard to figure out if there is a race condition where one thread reads the inspector agent's HostPort's properties while another modifies them concurrently. I think the answer is "no, there isn't" but with this commit use sites are forced to unwrap the object (and acquire the mutex in the process), making it a great deal easier to reason about correctness. PR-URL: https://github.com/nodejs/node/pull/31717 Reviewed-By: James M Snell Reviewed-By: Colin Ihrig Reviewed-By: Anna Henningsen Reviewed-By: Tobias Nießen Reviewed-By: David Carlier --- src/env-inl.h | 3 ++- src/env.cc | 3 ++- src/env.h | 4 ++-- src/inspector_agent.cc | 2 +- src/inspector_agent.h | 6 +++--- src/inspector_io.cc | 21 +++++++++++++++------ src/inspector_io.h | 6 +++--- src/inspector_js_api.cc | 6 ++++-- src/node_process_object.cc | 6 ++++-- 9 files changed, 36 insertions(+), 21 deletions(-) diff --git a/src/env-inl.h b/src/env-inl.h index 99b5273b9b25ce..d833c025a3caad 100644 --- a/src/env-inl.h +++ b/src/env-inl.h @@ -732,7 +732,8 @@ inline uint64_t Environment::heap_prof_interval() const { #endif // HAVE_INSPECTOR -inline std::shared_ptr Environment::inspector_host_port() { +inline +std::shared_ptr> Environment::inspector_host_port() { return inspector_host_port_; } diff --git a/src/env.cc b/src/env.cc index 8426148ea74d79..dd3e08f0dcafa9 100644 --- a/src/env.cc +++ b/src/env.cc @@ -321,7 +321,8 @@ Environment::Environment(IsolateData* isolate_data, // part of the per-Isolate option set, for which in turn the defaults are // part of the per-process option set. options_.reset(new EnvironmentOptions(*isolate_data->options()->per_env)); - inspector_host_port_.reset(new HostPort(options_->debug_options().host_port)); + inspector_host_port_.reset( + new ExclusiveAccess(options_->debug_options().host_port)); #if HAVE_INSPECTOR // We can only create the inspector agent after having cloned the options. diff --git a/src/env.h b/src/env.h index f6f68a37681ff6..67e735cdf3be58 100644 --- a/src/env.h +++ b/src/env.h @@ -1232,7 +1232,7 @@ class Environment : public MemoryRetainer { void* data); inline std::shared_ptr options(); - inline std::shared_ptr inspector_host_port(); + inline std::shared_ptr> inspector_host_port(); inline AsyncRequest* thread_stopper() { return &thread_stopper_; } @@ -1331,7 +1331,7 @@ class Environment : public MemoryRetainer { // server starts listening), but when the inspector server starts // the inspector_host_port_->port() will be the actual port being // used. - std::shared_ptr inspector_host_port_; + std::shared_ptr> inspector_host_port_; std::vector exec_argv_; std::vector argv_; std::string exec_path_; diff --git a/src/inspector_agent.cc b/src/inspector_agent.cc index aff52a5a5eccd1..94433b75d0fdb2 100644 --- a/src/inspector_agent.cc +++ b/src/inspector_agent.cc @@ -757,7 +757,7 @@ Agent::~Agent() {} bool Agent::Start(const std::string& path, const DebugOptions& options, - std::shared_ptr host_port, + std::shared_ptr> host_port, bool is_main) { path_ = path; debug_options_ = options; diff --git a/src/inspector_agent.h b/src/inspector_agent.h index d5088a1b546904..089077370db049 100644 --- a/src/inspector_agent.h +++ b/src/inspector_agent.h @@ -48,7 +48,7 @@ class Agent { // Create client_, may create io_ if option enabled bool Start(const std::string& path, const DebugOptions& options, - std::shared_ptr host_port, + std::shared_ptr> host_port, bool is_main); // Stop and destroy io_ void Stop(); @@ -110,7 +110,7 @@ class Agent { void RequestIoThreadStart(); const DebugOptions& options() { return debug_options_; } - std::shared_ptr host_port() { return host_port_; } + std::shared_ptr> host_port() { return host_port_; } void ContextCreated(v8::Local context, const ContextInfo& info); // Interface for interacting with inspectors in worker threads @@ -133,7 +133,7 @@ class Agent { // pointer which is meant to store the actual host and port of the inspector // server. DebugOptions debug_options_; - std::shared_ptr host_port_; + std::shared_ptr> host_port_; bool pending_enable_async_hook_ = false; bool pending_disable_async_hook_ = false; diff --git a/src/inspector_io.cc b/src/inspector_io.cc index ed9035136c51db..75290317d2fcae 100644 --- a/src/inspector_io.cc +++ b/src/inspector_io.cc @@ -239,7 +239,7 @@ class InspectorIoDelegate: public node::inspector::SocketServerDelegate { std::unique_ptr InspectorIo::Start( std::shared_ptr main_thread, const std::string& path, - std::shared_ptr host_port, + std::shared_ptr> host_port, const InspectPublishUid& inspect_publish_uid) { auto io = std::unique_ptr( new InspectorIo(main_thread, @@ -254,7 +254,7 @@ std::unique_ptr InspectorIo::Start( InspectorIo::InspectorIo(std::shared_ptr main_thread, const std::string& path, - std::shared_ptr host_port, + std::shared_ptr> host_port, const InspectPublishUid& inspect_publish_uid) : main_thread_(main_thread), host_port_(host_port), @@ -293,10 +293,17 @@ void InspectorIo::ThreadMain() { std::unique_ptr delegate( new InspectorIoDelegate(queue, main_thread_, id_, script_path, script_name_)); + std::string host; + int port; + { + ExclusiveAccess::Scoped host_port(host_port_); + host = host_port->host(); + port = host_port->port(); + } InspectorSocketServer server(std::move(delegate), &loop, - host_port_->host(), - host_port_->port(), + std::move(host), + port, inspect_publish_uid_); request_queue_ = queue->handle(); // Its lifetime is now that of the server delegate @@ -304,7 +311,8 @@ void InspectorIo::ThreadMain() { { Mutex::ScopedLock scoped_lock(thread_start_lock_); if (server.Start()) { - host_port_->set_port(server.Port()); + ExclusiveAccess::Scoped host_port(host_port_); + host_port->set_port(server.Port()); } thread_start_condition_.Broadcast(scoped_lock); } @@ -313,7 +321,8 @@ void InspectorIo::ThreadMain() { } std::string InspectorIo::GetWsUrl() const { - return FormatWsAddress(host_port_->host(), host_port_->port(), id_, true); + ExclusiveAccess::Scoped host_port(host_port_); + return FormatWsAddress(host_port->host(), host_port->port(), id_, true); } InspectorIoDelegate::InspectorIoDelegate( diff --git a/src/inspector_io.h b/src/inspector_io.h index e9f94056733994..10cca26ff1b9ee 100644 --- a/src/inspector_io.h +++ b/src/inspector_io.h @@ -30,7 +30,7 @@ class InspectorIo { static std::unique_ptr Start( std::shared_ptr main_thread, const std::string& path, - std::shared_ptr host_port, + std::shared_ptr> host_port, const InspectPublishUid& inspect_publish_uid); // Will block till the transport thread shuts down @@ -42,7 +42,7 @@ class InspectorIo { private: InspectorIo(std::shared_ptr handle, const std::string& path, - std::shared_ptr host_port, + std::shared_ptr> host_port, const InspectPublishUid& inspect_publish_uid); // Wrapper for agent->ThreadMain() @@ -57,7 +57,7 @@ class InspectorIo { // Used to post on a frontend interface thread, lives while the server is // running std::shared_ptr request_queue_; - std::shared_ptr host_port_; + std::shared_ptr> host_port_; InspectPublishUid inspect_publish_uid_; // The IO thread runs its own uv_loop to implement the TCP server off diff --git a/src/inspector_js_api.cc b/src/inspector_js_api.cc index 45b1c83bea7f34..703c9ff598fdf2 100644 --- a/src/inspector_js_api.cc +++ b/src/inspector_js_api.cc @@ -278,12 +278,14 @@ void Open(const FunctionCallbackInfo& args) { if (args.Length() > 0 && args[0]->IsUint32()) { uint32_t port = args[0].As()->Value(); - agent->host_port()->set_port(static_cast(port)); + ExclusiveAccess::Scoped host_port(agent->host_port()); + host_port->set_port(static_cast(port)); } if (args.Length() > 1 && args[1]->IsString()) { Utf8Value host(env->isolate(), args[1].As()); - agent->host_port()->set_host(*host); + ExclusiveAccess::Scoped host_port(agent->host_port()); + host_port->set_host(*host); } agent->StartIoThread(); diff --git a/src/node_process_object.cc b/src/node_process_object.cc index 7cf8c125009606..ddbb58abe535b0 100644 --- a/src/node_process_object.cc +++ b/src/node_process_object.cc @@ -51,7 +51,8 @@ static void ProcessTitleSetter(Local property, static void DebugPortGetter(Local property, const PropertyCallbackInfo& info) { Environment* env = Environment::GetCurrent(info); - int port = env->inspector_host_port()->port(); + ExclusiveAccess::Scoped host_port(env->inspector_host_port()); + int port = host_port->port(); info.GetReturnValue().Set(port); } @@ -60,7 +61,8 @@ static void DebugPortSetter(Local property, const PropertyCallbackInfo& info) { Environment* env = Environment::GetCurrent(info); int32_t port = value->Int32Value(env->context()).FromMaybe(0); - env->inspector_host_port()->set_port(static_cast(port)); + ExclusiveAccess::Scoped host_port(env->inspector_host_port()); + host_port->set_port(static_cast(port)); } static void GetParentProcessId(Local property, From 04a2f71aa85000776652e7383d31fb17087ee485 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 07:51:34 -1000 Subject: [PATCH 185/224] util: add coverage for util.inspect.colors alias setter Add test to confirm that the setter for aliases in `util.inspect.colors` keeps the alias reference-equal to the target value. Refs: https://coverage.nodejs.org/coverage-5b0308cd823a5110/lib/internal/util/inspect.js.html#L357 Refs: https://codecov.io/gh/nodejs/node/src/5b0308cd823a511098dadf9ddd5a35e3a9dbb424/lib/internal/util/inspect.js#L357 PR-URL: https://github.com/nodejs/node/pull/31743 Reviewed-By: James M Snell Reviewed-By: Anna Henningsen --- test/parallel/test-util-inspect.js | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/test/parallel/test-util-inspect.js b/test/parallel/test-util-inspect.js index 346f0932179d57..332895549fb7bd 100644 --- a/test/parallel/test-util-inspect.js +++ b/test/parallel/test-util-inspect.js @@ -2702,3 +2702,28 @@ assert.strictEqual( '\x1B[2mdef: \x1B[33m5\x1B[39m\x1B[22m }' ); } + +// Test changing util.inspect.colors colors and aliases. +{ + const colors = util.inspect.colors; + + const originalValue = colors.gray; + + // "grey" is reference-equal alias of "gray". + assert.strictEqual(colors.grey, colors.gray); + + // Assigninging one should assign the other. This tests that the alias setter + // function keeps things reference-equal. + colors.gray = [0, 0]; + assert.deepStrictEqual(colors.gray, [0, 0]); + assert.strictEqual(colors.grey, colors.gray); + + colors.grey = [1, 1]; + assert.deepStrictEqual(colors.grey, [1, 1]); + assert.strictEqual(colors.grey, colors.gray); + + // Restore original value to avoid side effects in other tests. + colors.gray = originalValue; + assert.deepStrictEqual(colors.gray, originalValue); + assert.strictEqual(colors.grey, colors.gray); +} From 94caaddcc1df8c0c35a2f9d9a39379e34a7b3610 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 01:31:25 -1000 Subject: [PATCH 186/224] util: throw if unreachable TypedArray checking code is reached If a comparison code path that is supposed to be unreachable is reached, throw. Add a c8 comment to ignore coverage for the line, as it should be unreachable. PR-URL: https://github.com/nodejs/node/pull/31737 Reviewed-By: Ruben Bridgewater Reviewed-By: Anna Henningsen Reviewed-By: James M Snell Reviewed-By: Luigi Pinca --- lib/internal/util/comparisons.js | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/internal/util/comparisons.js b/lib/internal/util/comparisons.js index 222bb936722cb6..1598e7f9136ace 100644 --- a/lib/internal/util/comparisons.js +++ b/lib/internal/util/comparisons.js @@ -147,7 +147,11 @@ function isIdenticalTypedArrayType(a, b) { return check(b); } } - return false; + /* c8 ignore next */ + assert.fail( + `Unknown TypedArray type checking ${a[SymbolToStringTag]} ${a}\n` + + `and ${b[SymbolToStringTag]} ${b}` + ); } // Notes: Type tags are historical [[Class]] properties that can be set by From d8b26022eef54ab03ebb6781b438aad3a6147ee7 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 00:44:44 -1000 Subject: [PATCH 187/224] meta: move calvinmetcalf to emeritus MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit calvinmetcalf confirmed in email that moving to emeritus seemed like the right move for them right now. Move a separate entry that wasn't in the correct place in the list. PR-URL: https://github.com/nodejs/node/pull/31736 Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Luigi Pinca Reviewed-By: Ruben Bridgewater Reviewed-By: Richard Lau Reviewed-By: Gireesh Punathil Reviewed-By: Michaël Zasso Reviewed-By: Calvin Metcalf --- README.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/README.md b/README.md index fdc192fa307e90..13157b0674dd62 100644 --- a/README.md +++ b/README.md @@ -261,8 +261,6 @@ For information about the governance of the Node.js project, see **Ruben Bridgewater** <ruben@bridgewater.de> (he/him) * [bzoz](https://github.com/bzoz) - **Bartosz Sosnowski** <bartosz@janeasystems.com> -* [calvinmetcalf](https://github.com/calvinmetcalf) - -**Calvin Metcalf** <calvin.metcalf@gmail.com> * [cclauss](https://github.com/cclauss) - **Christian Clauss** <cclauss@me.com> (he/him) * [ChALkeR](https://github.com/ChALkeR) - @@ -458,12 +456,14 @@ For information about the governance of the Node.js project, see **Anna M. Kedzierska** <anna.m.kedzierska@gmail.com> * [brendanashworth](https://github.com/brendanashworth) - **Brendan Ashworth** <brendan.ashworth@me.com> -* [estliberitas](https://github.com/estliberitas) - -**Alexander Makarenko** <estliberitas@gmail.com> +* [calvinmetcalf](https://github.com/calvinmetcalf) - +**Calvin Metcalf** <calvin.metcalf@gmail.com> * [chrisdickinson](https://github.com/chrisdickinson) - **Chris Dickinson** <christopher.s.dickinson@gmail.com> * [DavidCai1993](https://github.com/DavidCai1993) - **David Cai** <davidcai1993@yahoo.com> (he/him) +* [estliberitas](https://github.com/estliberitas) - +**Alexander Makarenko** <estliberitas@gmail.com> * [firedfox](https://github.com/firedfox) - **Daniel Wang** <wangyang0123@gmail.com> * [imran-iq](https://github.com/imran-iq) - From abea43e60483f4b5d48013a0c7dc86875f04bd97 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Mon, 10 Feb 2020 21:01:28 -1000 Subject: [PATCH 188/224] meta: move vkurchatkin to emeritus MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit vkurchatkin confirmed in email that it's time to move to emeritus. PR-URL: https://github.com/nodejs/node/pull/31729 Reviewed-By: Gus Caplan Reviewed-By: Yongsheng Zhang Reviewed-By: Ruben Bridgewater Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Gireesh Punathil Reviewed-By: Michaël Zasso --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 13157b0674dd62..74d79c64e235de 100644 --- a/README.md +++ b/README.md @@ -431,8 +431,6 @@ For information about the governance of the Node.js project, see **Rich Trott** <rtrott@gmail.com> (he/him) * [vdeturckheim](https://github.com/vdeturckheim) - **Vladimir de Turckheim** <vlad2t@hotmail.com> (he/him) -* [vkurchatkin](https://github.com/vkurchatkin) - -**Vladimir Kurchatkin** <vladimir.kurchatkin@gmail.com> * [watilde](https://github.com/watilde) - **Daijiro Wachi** <daijiro.wachi@gmail.com> (he/him) * [watson](https://github.com/watson) - @@ -524,6 +522,8 @@ For information about the governance of the Node.js project, see **Thorsten Lorenz** <thlorenz@gmx.de> * [tunniclm](https://github.com/tunniclm) - **Mike Tunnicliffe** <m.j.tunnicliffe@gmail.com> +* [vkurchatkin](https://github.com/vkurchatkin) - +**Vladimir Kurchatkin** <vladimir.kurchatkin@gmail.com> * [vsemozhetbyt](https://github.com/vsemozhetbyt) - **Vse Mozhet Byt** <vsemozhetbyt@gmail.com> (he/him) * [whitlockjc](https://github.com/whitlockjc) - From 04bf5bf6e79c1220825938bd1c5a7cff7b0d26d8 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Mon, 10 Feb 2020 21:03:25 -1000 Subject: [PATCH 189/224] meta: move princejwesley to emeritus MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit princejwesley confirmed in email that moving to emeritus at this time was appropriate. PR-URL: https://github.com/nodejs/node/pull/31730 Reviewed-By: Gus Caplan Reviewed-By: Yongsheng Zhang Reviewed-By: Ruben Bridgewater Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Gireesh Punathil Reviewed-By: Michaël Zasso --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 74d79c64e235de..aac160d19b4113 100644 --- a/README.md +++ b/README.md @@ -373,8 +373,6 @@ For information about the governance of the Node.js project, see **Ali Ijaz Sheikh** <ofrobots@google.com> (he/him) * [oyyd](https://github.com/oyyd) - **Ouyang Yadong** <oyydoibh@gmail.com> (he/him) -* [princejwesley](https://github.com/princejwesley) - -**Prince John Wesley** <princejohnwesley@gmail.com> * [psmarshall](https://github.com/psmarshall) - **Peter Marshall** <petermarshall@chromium.org> (he/him) * [Qard](https://github.com/Qard) - @@ -504,6 +502,8 @@ For information about the governance of the Node.js project, see **Bert Belder** <bertbelder@gmail.com> * [pmq20](https://github.com/pmq20) - **Minqi Pan** <pmq2001@gmail.com> +* [princejwesley](https://github.com/princejwesley) - +**Prince John Wesley** <princejohnwesley@gmail.com> * [rlidwka](https://github.com/rlidwka) - **Alex Kocharin** <alex@kocharin.ru> * [rmg](https://github.com/rmg) - From 27fe145dc6b18f87e5d05e04c16333a8be6608a4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tobias=20Nie=C3=9Fen?= Date: Mon, 10 Feb 2020 10:15:54 -0400 Subject: [PATCH 190/224] doc: update foundation name in onboarding PR-URL: https://github.com/nodejs/node/pull/31719 Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Anto Aravinth Reviewed-By: Ruben Bridgewater --- doc/onboarding.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/onboarding.md b/doc/onboarding.md index 860e5737901db4..092061c031131e 100644 --- a/doc/onboarding.md +++ b/doc/onboarding.md @@ -232,7 +232,7 @@ needs to be pointed out separately during the onboarding. * [https://github.com/nodejs/readable-stream](https://github.com/nodejs/readable-stream) * [https://github.com/nodejs/LTS](https://github.com/nodejs/LTS) * [https://github.com/nodejs/citgm](https://github.com/nodejs/citgm) -* The Node.js Foundation hosts regular summits for active contributors to the +* The OpenJS Foundation hosts regular summits for active contributors to the Node.js project, where we have face-to-face discussions about our work on the project. The Foundation has travel funds to cover participants' expenses including accommodations, transportation, visa fees, etc. if needed. Check out From 77fccbf0e8b83fe72e580fe3f1b3e8d31b312c27 Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Mon, 10 Feb 2020 19:26:38 +0100 Subject: [PATCH 191/224] doc: expand C++ README with information about exception handling Add more information about why it is advisable not to use `.FromJust()` etc. on Maybe(Local)s, and general information about termination exceptions. PR-URL: https://github.com/nodejs/node/pull/31720 Reviewed-By: Colin Ihrig Reviewed-By: Sam Roberts Reviewed-By: James M Snell Reviewed-By: Denys Otrishko Reviewed-By: Ruben Bridgewater --- src/README.md | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/src/README.md b/src/README.md index cfd6cd6266c695..40790b278acb65 100644 --- a/src/README.md +++ b/src/README.md @@ -424,6 +424,23 @@ This should only be performed if it is actually sure that the operation has not failed. A lot of Node.js’s source code does **not** follow this rule, and can be brought to crash through this. +In particular, it is often not safe to assume that an operation does not throw +an exception, even if it seems like it would not do that. +The most common reasons for this are: + +* Calls to functions like `object->Get(...)` or `object->Set(...)` may fail on + most objects, if the `Object.prototype` object has been modified from userland + code that added getters or setters. +* Calls that invoke *any* JavaScript code, including JavaScript code that is + provided from Node.js internals or V8 internals, will fail when JavaScript + execution is being terminated. This typically happens inside Workers when + `worker.terminate()` is called, but it can also affect the main thread when + e.g. Node.js is used as an embedded library. These exceptions can happen at + any point. + It is not always obvious whether a V8 call will enter JavaScript. In addition + to unexpected getters and setters, accessing some types of built-in objects + like `Map`s and `Set`s can also run V8-internal JavaScript code. + ##### MaybeLocal `v8::MaybeLocal` is a variant of `v8::Maybe` that is either empty or @@ -433,7 +450,7 @@ operations as the methods of `v8::Maybe`, but with different names: | `Maybe` | `MaybeLocal` | | ---------------------- | ------------------------------- | | `maybe.IsNothing()` | `maybe_local.IsEmpty()` | -| `maybe.IsJust()` | – | +| `maybe.IsJust()` | `!maybe_local.IsEmpty()` | | `maybe.To(&value)` | `maybe_local.ToLocal(&local)` | | `maybe.ToChecked()` | `maybe_local.ToLocalChecked()` | | `maybe.FromJust()` | `maybe_local.ToLocalChecked()` | @@ -514,6 +531,12 @@ If there is a need to catch JavaScript exceptions in C++, V8 provides the of providing the ability to shut down the program in the typical Node.js way (printing the exception + stack trace) if an exception is caught. +A `TryCatch` will catch regular JavaScript exceptions, as well as termination +exceptions such as the ones thrown by `worker.terminate()` calls. +In the latter case, the `try_catch.HasTerminated()` function will return `true`, +and the exception object will not be a meaningful JavaScript value. +`try_catch.ReThrow()` should not be used in this case. + ### libuv handles and requests From 3a59805e4473e14abbdfc87dccb7d84ce88f71c3 Mon Sep 17 00:00:00 2001 From: Danielle Adams Date: Mon, 10 Feb 2020 14:47:05 -0500 Subject: [PATCH 192/224] doc: add directions to mark a release line as lts Moves directions for LTS release from the Release repo to Node docs. Fixes: https://github.com/nodejs/Release/issues/530 PR-URL: https://github.com/nodejs/node/pull/31724 Reviewed-By: Richard Lau Reviewed-By: James M Snell Reviewed-By: Ruben Bridgewater Reviewed-By: Myles Borins Reviewed-By: Beth Griggs Reviewed-By: Anna Henningsen --- doc/releases.md | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/doc/releases.md b/doc/releases.md index 59296fbd937788..b20bf3662e3f8c 100644 --- a/doc/releases.md +++ b/doc/releases.md @@ -32,6 +32,7 @@ official release builds for Node.js, hosted on . * [17. Cleanup](#17-cleanup) * [18. Announce](#18-announce) * [19. Celebrate](#19-celebrate) +* [LTS Releases](#lts-releases) * [Major Releases](#major-releases) ## Who can make a release? @@ -672,6 +673,38 @@ Ping the IRC ops and the other [Partner Communities][] liaisons. _In whatever form you do this..._ +## LTS Releases + +### Marking a Release Line as LTS + +To mark a release line as LTS, the following changes must be made to +`src/node_version.h`: + +* The `NODE_MINOR_VERSION` macro must be incremented by one +* The `NODE_PATCH_VERSION` macro must be set to `0` +* The `NODE_VERSION_IS_LTS` macro must be set to `1` +* The `NODE_VERSION_LTS_CODENAME` macro must be set to the codename selected +for the LTS release. + +For example: + +```diff +-#define NODE_MINOR_VERSION 12 +-#define NODE_PATCH_VERSION 1 ++#define NODE_MINOR_VERSION 13 ++#define NODE_PATCH_VERSION 0 + +-#define NODE_VERSION_IS_LTS 0 +-#define NODE_VERSION_LTS_CODENAME "" ++#define NODE_VERSION_IS_LTS 1 ++#define NODE_VERSION_LTS_CODENAME "Erbium" + +-#define NODE_VERSION_IS_RELEASE 0 ++#define NODE_VERSION_IS_RELEASE 1 +``` + +The changes must be made as part of a new semver-minor release. + ## Major Releases The process for cutting a new Node.js major release has a number of differences From f4796eacf0147486108c7e2c9dd3b1189bd4a137 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Mon, 10 Feb 2020 14:51:22 -1000 Subject: [PATCH 193/224] test: improve test-fs-stat-bigint Remove magic number and measure amount of difference should be allowable between consecutive stat() calls. PR-URL: https://github.com/nodejs/node/pull/31726 Reviewed-By: Ruben Bridgewater Reviewed-By: Anna Henningsen --- test/parallel/test-fs-stat-bigint.js | 111 +++++++++++++++------------ 1 file changed, 60 insertions(+), 51 deletions(-) diff --git a/test/parallel/test-fs-stat-bigint.js b/test/parallel/test-fs-stat-bigint.js index 811070cd9aeb99..f96bef192f07ab 100644 --- a/test/parallel/test-fs-stat-bigint.js +++ b/test/parallel/test-fs-stat-bigint.js @@ -13,25 +13,23 @@ tmpdir.refresh(); let testIndex = 0; -// It's possible that the file stats are updated between the two statSync() -// calls so allow for a small difference. -const allowableDelta = 5; - function getFilename() { const filename = path.join(tmpdir.path, `test-file-${++testIndex}`); fs.writeFileSync(filename, 'test'); return filename; } -function verifyStats(bigintStats, numStats) { +function verifyStats(bigintStats, numStats, allowableDelta) { + // allowableDelta: It's possible that the file stats are updated between the + // two stat() calls so allow for a small difference. for (const key of Object.keys(numStats)) { const val = numStats[key]; if (isDate(val)) { const time = val.getTime(); const time2 = bigintStats[key].getTime(); assert( - Math.abs(time - time2) < allowableDelta, - `difference of ${key}.getTime() should < ${allowableDelta}.\n` + + time - time2 <= allowableDelta, + `difference of ${key}.getTime() should <= ${allowableDelta}.\n` + `Number version ${time}, BigInt version ${time2}n`); } else if (key === 'mode') { assert.strictEqual(bigintStats[key], BigInt(val)); @@ -71,15 +69,16 @@ function verifyStats(bigintStats, numStats) { const msFromNum = numStats[key]; assert( - Math.abs(msFromNum - Number(msFromBigInt)) < allowableDelta, + msFromNum - Number(msFromBigInt) <= allowableDelta, `Number version ${key} = ${msFromNum}, ` + - `BigInt version ${key} = ${msFromBigInt}n`); + `BigInt version ${key} = ${msFromBigInt}n, ` + + `Allowable delta = ${allowableDelta}`); assert( - Math.abs(msFromNum - Number(msFromBigIntNs)) < allowableDelta, + msFromNum - Number(msFromBigIntNs) <= allowableDelta, `Number version ${key} = ${msFromNum}, ` + `BigInt version ${nsKey} = ${nsFromBigInt}n` + - ` = ${msFromBigIntNs}ms`); + ` = ${msFromBigIntNs}ms, Allowable delta = ${allowableDelta}`); } else if (Number.isSafeInteger(val)) { assert.strictEqual( bigintStats[key], BigInt(val), @@ -88,92 +87,102 @@ function verifyStats(bigintStats, numStats) { ); } else { assert( - Math.abs(Number(bigintStats[key]) - val) < 1, + Number(bigintStats[key]) - val < 1, `${key} is not a safe integer, difference should < 1.\n` + `Number version ${val}, BigInt version ${bigintStats[key]}n`); } } } +const runSyncTest = (func, arg) => { + const startTime = process.hrtime.bigint(); + const bigintStats = func(arg, { bigint: true }); + const numStats = func(arg); + const endTime = process.hrtime.bigint(); + const allowableDelta = Math.ceil(Number(endTime - startTime) / 1e6); + verifyStats(bigintStats, numStats, allowableDelta); +}; + { const filename = getFilename(); - const bigintStats = fs.statSync(filename, { bigint: true }); - const numStats = fs.statSync(filename); - verifyStats(bigintStats, numStats); + runSyncTest(fs.statSync, filename); } if (!common.isWindows) { const filename = getFilename(); const link = `${filename}-link`; fs.symlinkSync(filename, link); - const bigintStats = fs.lstatSync(link, { bigint: true }); - const numStats = fs.lstatSync(link); - verifyStats(bigintStats, numStats); + runSyncTest(fs.lstatSync, link); } { const filename = getFilename(); const fd = fs.openSync(filename, 'r'); - const bigintStats = fs.fstatSync(fd, { bigint: true }); - const numStats = fs.fstatSync(fd); - verifyStats(bigintStats, numStats); + runSyncTest(fs.fstatSync, fd); fs.closeSync(fd); } +const runCallbackTest = (func, arg, done) => { + const startTime = process.hrtime.bigint(); + func(arg, { bigint: true }, common.mustCall((err, bigintStats) => { + func(arg, common.mustCall((err, numStats) => { + const endTime = process.hrtime.bigint(); + const allowableDelta = Math.ceil(Number(endTime - startTime) / 1e6); + verifyStats(bigintStats, numStats, allowableDelta); + if (done) { + done(); + } + })); + })); +}; + { const filename = getFilename(); - fs.stat(filename, { bigint: true }, (err, bigintStats) => { - fs.stat(filename, (err, numStats) => { - verifyStats(bigintStats, numStats); - }); - }); + runCallbackTest(fs.stat, filename); } if (!common.isWindows) { const filename = getFilename(); const link = `${filename}-link`; fs.symlinkSync(filename, link); - fs.lstat(link, { bigint: true }, (err, bigintStats) => { - fs.lstat(link, (err, numStats) => { - verifyStats(bigintStats, numStats); - }); - }); + runCallbackTest(fs.lstat, link); } { const filename = getFilename(); const fd = fs.openSync(filename, 'r'); - fs.fstat(fd, { bigint: true }, (err, bigintStats) => { - fs.fstat(fd, (err, numStats) => { - verifyStats(bigintStats, numStats); - fs.closeSync(fd); - }); - }); + runCallbackTest(fs.fstat, fd, () => { fs.closeSync(fd); }); } -(async function() { +const runPromiseTest = async (func, arg) => { + const startTime = process.hrtime.bigint(); + const bigintStats = await func(arg, { bigint: true }); + const numStats = await func(arg); + const endTime = process.hrtime.bigint(); + const allowableDelta = Math.ceil(Number(endTime - startTime) / 1e6); + verifyStats(bigintStats, numStats, allowableDelta); +}; + +{ const filename = getFilename(); - const bigintStats = await promiseFs.stat(filename, { bigint: true }); - const numStats = await promiseFs.stat(filename); - verifyStats(bigintStats, numStats); -})(); + runPromiseTest(promiseFs.stat, filename); +} if (!common.isWindows) { - (async function() { - const filename = getFilename(); - const link = `${filename}-link`; - fs.symlinkSync(filename, link); - const bigintStats = await promiseFs.lstat(link, { bigint: true }); - const numStats = await promiseFs.lstat(link); - verifyStats(bigintStats, numStats); - })(); + const filename = getFilename(); + const link = `${filename}-link`; + fs.symlinkSync(filename, link); + runPromiseTest(promiseFs.lstat, link); } (async function() { const filename = getFilename(); const handle = await promiseFs.open(filename, 'r'); + const startTime = process.hrtime.bigint(); const bigintStats = await handle.stat({ bigint: true }); const numStats = await handle.stat(); - verifyStats(bigintStats, numStats); + const endTime = process.hrtime.bigint(); + const allowableDelta = Math.ceil(Number(endTime - startTime) / 1e6); + verifyStats(bigintStats, numStats, allowableDelta); await handle.close(); })(); From f6f32f67c845354e3e31451672927dd0b4fca44e Mon Sep 17 00:00:00 2001 From: Andrey Pechkurov Date: Sat, 8 Feb 2020 12:47:37 +0300 Subject: [PATCH 194/224] doc: fix default server timeout description for https PR-URL: https://github.com/nodejs/node/pull/31692 Reviewed-By: Ruben Bridgewater Reviewed-By: Trivikram Kamat Reviewed-By: James M Snell Reviewed-By: Luigi Pinca --- doc/api/https.md | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/doc/api/https.md b/doc/api/https.md index cd52eaa1a7038c..79e6e86583868c 100644 --- a/doc/api/https.md +++ b/doc/api/https.md @@ -123,9 +123,13 @@ See [`http.Server#setTimeout()`][]. ### `server.timeout` -* {number} **Default:** `120000` (2 minutes) +* {number} **Default:** 0 (no timeout) See [`http.Server#timeout`][]. From cfb8fe92501860c1010842db4a670d3819bbd453 Mon Sep 17 00:00:00 2001 From: Ujjwal Sharma Date: Fri, 7 Feb 2020 12:30:23 +0530 Subject: [PATCH 195/224] doc: update contact email for @ryzokuken Update my personal email address from usharma1998@gmail.com (tired) to ryzokuken@disroot.org (wired). PR-URL: https://github.com/nodejs/node/pull/31670 Reviewed-By: Richard Lau Reviewed-By: Anna Henningsen Reviewed-By: Ruben Bridgewater Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Anto Aravinth --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index aac160d19b4113..07d6ad4e7ed039 100644 --- a/README.md +++ b/README.md @@ -390,7 +390,7 @@ For information about the governance of the Node.js project, see * [rvagg](https://github.com/rvagg) - **Rod Vagg** <rod@vagg.org> * [ryzokuken](https://github.com/ryzokuken) - -**Ujjwal Sharma** <usharma1998@gmail.com> (he/him) +**Ujjwal Sharma** <ryzokuken@disroot.org> (he/him) * [saghul](https://github.com/saghul) - **Saúl Ibarra Corretgé** <saghul@gmail.com> * [sam-github](https://github.com/sam-github) - From 54db3dc1d755abc3c2a8b5158dc15b93064f1bfd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Juan=20Jos=C3=A9=20Arboleda?= Date: Sun, 2 Feb 2020 20:22:17 -0500 Subject: [PATCH 196/224] doc: fix typo on fs docs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/31620 Reviewed-By: Rich Trott Reviewed-By: Tobias Nießen Reviewed-By: James M Snell --- doc/api/fs.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/api/fs.md b/doc/api/fs.md index 662d60bfb378a5..318731f15fda44 100644 --- a/doc/api/fs.md +++ b/doc/api/fs.md @@ -1940,7 +1940,7 @@ Node.js callbacks. `fs.existsSync()` does not use a callback. ```js if (fs.existsSync('/etc/passwd')) { - console.log('The file exists.'); + console.log('The path exists.'); } ``` From 26d214566124b4b2073a84f398498e9327b529d2 Mon Sep 17 00:00:00 2001 From: Antoine du HAMEL Date: Thu, 6 Feb 2020 15:39:47 +0100 Subject: [PATCH 197/224] worker: add support for .cjs extension PR-URL: https://github.com/nodejs/node/pull/31662 Reviewed-By: Anna Henningsen Reviewed-By: Rich Trott Reviewed-By: James M Snell Reviewed-By: Colin Ihrig Reviewed-By: Ruben Bridgewater Reviewed-By: David Carlier Reviewed-By: Yuta Hiroto Reviewed-By: Gus Caplan Reviewed-By: Denys Otrishko --- lib/internal/errors.js | 2 +- lib/internal/worker.js | 2 +- test/fixtures/worker-data.cjs | 3 +++ test/parallel/test-worker-cjs-workerdata.js | 15 +++++++++++++++ 4 files changed, 20 insertions(+), 2 deletions(-) create mode 100644 test/fixtures/worker-data.cjs create mode 100644 test/parallel/test-worker-cjs-workerdata.js diff --git a/lib/internal/errors.js b/lib/internal/errors.js index ae2028f8a2955e..ac42b07f095b44 100644 --- a/lib/internal/errors.js +++ b/lib/internal/errors.js @@ -1356,7 +1356,7 @@ E('ERR_WORKER_PATH', E('ERR_WORKER_UNSERIALIZABLE_ERROR', 'Serializing an uncaught exception failed', Error); E('ERR_WORKER_UNSUPPORTED_EXTENSION', - 'The worker script extension must be ".js" or ".mjs". Received "%s"', + 'The worker script extension must be ".js", ".mjs", or ".cjs". Received "%s"', TypeError); E('ERR_WORKER_UNSUPPORTED_OPERATION', '%s is not supported in workers', TypeError); diff --git a/lib/internal/worker.js b/lib/internal/worker.js index d7adfda5fa3927..acf325eff61197 100644 --- a/lib/internal/worker.js +++ b/lib/internal/worker.js @@ -103,7 +103,7 @@ class Worker extends EventEmitter { filename = path.resolve(filename); const ext = path.extname(filename); - if (ext !== '.js' && ext !== '.mjs') { + if (!/^\.[cm]?js$/.test(ext)) { throw new ERR_WORKER_UNSUPPORTED_EXTENSION(ext); } } diff --git a/test/fixtures/worker-data.cjs b/test/fixtures/worker-data.cjs new file mode 100644 index 00000000000000..731b77eb367863 --- /dev/null +++ b/test/fixtures/worker-data.cjs @@ -0,0 +1,3 @@ +const { workerData, parentPort } = require('worker_threads'); + +parentPort.postMessage(workerData); diff --git a/test/parallel/test-worker-cjs-workerdata.js b/test/parallel/test-worker-cjs-workerdata.js new file mode 100644 index 00000000000000..949011fee8173e --- /dev/null +++ b/test/parallel/test-worker-cjs-workerdata.js @@ -0,0 +1,15 @@ +'use strict'; +const common = require('../common'); +const fixtures = require('../common/fixtures'); +const assert = require('assert'); +const { Worker } = require('worker_threads'); + +const workerData = 'Hello from main thread'; + +const worker = new Worker(fixtures.path('worker-data.cjs'), { + workerData +}); + +worker.on('message', common.mustCall((message) => { + assert.strictEqual(message, workerData); +})); From c76cd36d1ac013bb85b60a9aec896ad2272dbf9e Mon Sep 17 00:00:00 2001 From: Ujjwal Sharma Date: Fri, 7 Feb 2020 11:13:31 +0530 Subject: [PATCH 198/224] doc: add prerequisites information for Arch Add prerequisites for Arch Linux and derivatives in BUILDING.md. PR-URL: https://github.com/nodejs/node/pull/31669 Reviewed-By: David Carlier Reviewed-By: Anna Henningsen Reviewed-By: Ruben Bridgewater Reviewed-By: Colin Ihrig Reviewed-By: James M Snell --- BUILDING.md | 1 + 1 file changed, 1 insertion(+) diff --git a/BUILDING.md b/BUILDING.md index d188aaff5a3a27..b16124ba9dfb72 100644 --- a/BUILDING.md +++ b/BUILDING.md @@ -249,6 +249,7 @@ Installation via Linux package manager can be achieved with: * Fedora: `sudo dnf install python gcc-c++ make` * CentOS and RHEL: `sudo yum install python gcc-c++ make` * OpenSUSE: `sudo zypper install python gcc-c++ make` +* Arch Linux, Manjaro: `sudo pacman -S python gcc make` FreeBSD and OpenBSD users may also need to install `libexecinfo`. From 8e971ab4ea0a7c516ec112cd4d036c41ca587837 Mon Sep 17 00:00:00 2001 From: Alex Ramirez Date: Wed, 31 Jul 2019 08:26:38 -0500 Subject: [PATCH 199/224] benchmark: swap var for let in benchmarks In benchmark directory this changes for loops using var to let when it applies for consistency PR-URL: https://github.com/nodejs/node/pull/28958 Reviewed-By: Anna Henningsen --- benchmark/module/module-loader-deep.js | 2 +- benchmark/module/module-loader.js | 2 +- benchmark/os/cpus.js | 2 +- benchmark/os/loadavg.js | 2 +- benchmark/os/networkInterfaces.js | 2 +- benchmark/path/basename-posix.js | 2 +- benchmark/path/basename-win32.js | 2 +- benchmark/path/dirname-posix.js | 2 +- benchmark/path/dirname-win32.js | 2 +- benchmark/path/extname-posix.js | 2 +- benchmark/path/extname-win32.js | 2 +- benchmark/path/format-posix.js | 2 +- benchmark/path/format-win32.js | 2 +- benchmark/path/isAbsolute-posix.js | 2 +- benchmark/path/isAbsolute-win32.js | 2 +- benchmark/path/join-posix.js | 2 +- benchmark/path/join-win32.js | 2 +- benchmark/path/makeLong-win32.js | 2 +- benchmark/path/normalize-posix.js | 2 +- benchmark/path/normalize-win32.js | 2 +- benchmark/path/resolve-posix.js | 2 +- benchmark/path/resolve-win32.js | 2 +- benchmark/process/memoryUsage.js | 2 +- benchmark/process/next-tick-breadth-args.js | 2 +- benchmark/process/next-tick-breadth.js | 2 +- benchmark/process/next-tick-exec-args.js | 2 +- benchmark/process/next-tick-exec.js | 2 +- benchmark/process/queue-microtask-breadth.js | 2 +- benchmark/querystring/querystring-stringify.js | 2 +- benchmark/querystring/querystring-unescapebuffer.js | 2 +- benchmark/string_decoder/string-decoder-create.js | 2 +- benchmark/timers/immediate.js | 8 ++++---- benchmark/timers/timers-breadth-args.js | 2 +- benchmark/timers/timers-breadth.js | 2 +- benchmark/timers/timers-cancel-pooled.js | 4 ++-- benchmark/timers/timers-cancel-unpooled.js | 2 +- benchmark/timers/timers-insert-pooled.js | 2 +- benchmark/timers/timers-insert-unpooled.js | 2 +- benchmark/timers/timers-timeout-nexttick.js | 2 +- benchmark/timers/timers-timeout-pooled.js | 2 +- benchmark/timers/timers-timeout-unpooled.js | 2 +- benchmark/tls/convertprotocols.js | 2 +- benchmark/tls/tls-connect.js | 2 +- benchmark/v8/get-stats.js | 2 +- benchmark/vm/run-in-context.js | 2 +- benchmark/vm/run-in-this-context.js | 2 +- benchmark/worker/echo.js | 2 +- 47 files changed, 51 insertions(+), 51 deletions(-) diff --git a/benchmark/module/module-loader-deep.js b/benchmark/module/module-loader-deep.js index f686b8df47dfba..a7e67296ea7a87 100644 --- a/benchmark/module/module-loader-deep.js +++ b/benchmark/module/module-loader-deep.js @@ -19,7 +19,7 @@ function main({ ext, cache, files }) { `${benchmarkDirectory}/a.js`, 'module.exports = {};' ); - for (var i = 0; i <= files; i++) { + for (let i = 0; i <= files; i++) { fs.mkdirSync(`${benchmarkDirectory}/${i}`); fs.writeFileSync( `${benchmarkDirectory}/${i}/package.json`, diff --git a/benchmark/module/module-loader.js b/benchmark/module/module-loader.js index 3b8e9be2d60636..c89f51d6a1a19f 100644 --- a/benchmark/module/module-loader.js +++ b/benchmark/module/module-loader.js @@ -21,7 +21,7 @@ const bench = common.createBenchmark(main, { function main({ n, name, cache, files, dir }) { tmpdir.refresh(); fs.mkdirSync(benchmarkDirectory); - for (var i = 0; i <= files; i++) { + for (let i = 0; i <= files; i++) { fs.mkdirSync(`${benchmarkDirectory}${i}`); fs.writeFileSync( `${benchmarkDirectory}${i}/package.json`, diff --git a/benchmark/os/cpus.js b/benchmark/os/cpus.js index da158a1b061c7f..a8aa3ab6cbf46f 100644 --- a/benchmark/os/cpus.js +++ b/benchmark/os/cpus.js @@ -9,7 +9,7 @@ const bench = common.createBenchmark(main, { function main({ n }) { bench.start(); - for (var i = 0; i < n; ++i) + for (let i = 0; i < n; ++i) cpus(); bench.end(n); } diff --git a/benchmark/os/loadavg.js b/benchmark/os/loadavg.js index 2cd38316b24bdd..802e3c99ec0a59 100644 --- a/benchmark/os/loadavg.js +++ b/benchmark/os/loadavg.js @@ -9,7 +9,7 @@ const bench = common.createBenchmark(main, { function main({ n }) { bench.start(); - for (var i = 0; i < n; ++i) + for (let i = 0; i < n; ++i) loadavg(); bench.end(n); } diff --git a/benchmark/os/networkInterfaces.js b/benchmark/os/networkInterfaces.js index 3fa6073ae5c69e..12e956b7f05ddc 100644 --- a/benchmark/os/networkInterfaces.js +++ b/benchmark/os/networkInterfaces.js @@ -9,7 +9,7 @@ const bench = common.createBenchmark(main, { function main({ n }) { bench.start(); - for (var i = 0; i < n; ++i) + for (let i = 0; i < n; ++i) networkInterfaces(); bench.end(n); } diff --git a/benchmark/path/basename-posix.js b/benchmark/path/basename-posix.js index 45cad1e25660dc..2116f03d5e13e1 100644 --- a/benchmark/path/basename-posix.js +++ b/benchmark/path/basename-posix.js @@ -27,7 +27,7 @@ function main({ n, pathext }) { } bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { posix.basename(i % 3 === 0 ? `${pathext}${i}` : pathext, ext); } bench.end(n); diff --git a/benchmark/path/basename-win32.js b/benchmark/path/basename-win32.js index 30d65f3ac6a4c9..d310ef2afcf580 100644 --- a/benchmark/path/basename-win32.js +++ b/benchmark/path/basename-win32.js @@ -27,7 +27,7 @@ function main({ n, pathext }) { } bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { win32.basename(i % 3 === 0 ? `${pathext}${i}` : pathext, ext); } bench.end(n); diff --git a/benchmark/path/dirname-posix.js b/benchmark/path/dirname-posix.js index 93f2f32c012695..c98753562fbc93 100644 --- a/benchmark/path/dirname-posix.js +++ b/benchmark/path/dirname-posix.js @@ -17,7 +17,7 @@ const bench = common.createBenchmark(main, { function main({ n, path }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { posix.dirname(i % 3 === 0 ? `${path}${i}` : path); } bench.end(n); diff --git a/benchmark/path/dirname-win32.js b/benchmark/path/dirname-win32.js index 510595d721ace1..9eb5478b3b4d3b 100644 --- a/benchmark/path/dirname-win32.js +++ b/benchmark/path/dirname-win32.js @@ -17,7 +17,7 @@ const bench = common.createBenchmark(main, { function main({ n, path }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { win32.dirname(i % 3 === 0 ? `${path}${i}` : path); } bench.end(n); diff --git a/benchmark/path/extname-posix.js b/benchmark/path/extname-posix.js index ee1ea07eebc010..0e01d59a745883 100644 --- a/benchmark/path/extname-posix.js +++ b/benchmark/path/extname-posix.js @@ -20,7 +20,7 @@ const bench = common.createBenchmark(main, { function main({ n, path }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { posix.extname(i % 3 === 0 ? `${path}${i}` : path); } bench.end(n); diff --git a/benchmark/path/extname-win32.js b/benchmark/path/extname-win32.js index 1de4bca28a2988..6d8437e5c5d819 100644 --- a/benchmark/path/extname-win32.js +++ b/benchmark/path/extname-win32.js @@ -20,7 +20,7 @@ const bench = common.createBenchmark(main, { function main({ n, path }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { win32.extname(i % 3 === 0 ? `${path}${i}` : path); } bench.end(n); diff --git a/benchmark/path/format-posix.js b/benchmark/path/format-posix.js index 9c555f232c0099..7720bbc3b705ed 100644 --- a/benchmark/path/format-posix.js +++ b/benchmark/path/format-posix.js @@ -20,7 +20,7 @@ function main({ n, props }) { }; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { obj.base = `a${i}${props[2] || ''}`; obj.name = `a${i}${props[4] || ''}`; posix.format(obj); diff --git a/benchmark/path/format-win32.js b/benchmark/path/format-win32.js index 65315c4dd638f1..fab7599ab58386 100644 --- a/benchmark/path/format-win32.js +++ b/benchmark/path/format-win32.js @@ -20,7 +20,7 @@ function main({ n, props }) { }; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { obj.base = `a${i}${props[2] || ''}`; obj.name = `a${i}${props[4] || ''}`; win32.format(obj); diff --git a/benchmark/path/isAbsolute-posix.js b/benchmark/path/isAbsolute-posix.js index dd0dfd1964e0fb..90d06502d1fb02 100644 --- a/benchmark/path/isAbsolute-posix.js +++ b/benchmark/path/isAbsolute-posix.js @@ -15,7 +15,7 @@ const bench = common.createBenchmark(main, { function main({ n, path }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { posix.isAbsolute(i % 3 === 0 ? `${path}${i}` : path); } bench.end(n); diff --git a/benchmark/path/isAbsolute-win32.js b/benchmark/path/isAbsolute-win32.js index ff03f2628a328c..15da64f5e973a3 100644 --- a/benchmark/path/isAbsolute-win32.js +++ b/benchmark/path/isAbsolute-win32.js @@ -16,7 +16,7 @@ const bench = common.createBenchmark(main, { function main({ n, path }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { win32.isAbsolute(i % 3 === 0 ? `${path}${i}` : path); } bench.end(n); diff --git a/benchmark/path/join-posix.js b/benchmark/path/join-posix.js index e573166d7ae078..6619e4dea852db 100644 --- a/benchmark/path/join-posix.js +++ b/benchmark/path/join-posix.js @@ -15,7 +15,7 @@ function main({ n, paths }) { const orig = copy[1]; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { if (i % 3 === 0) { copy[1] = `${orig}${i}`; posix.join(...copy); diff --git a/benchmark/path/join-win32.js b/benchmark/path/join-win32.js index cd69836c006e23..958dee706d499a 100644 --- a/benchmark/path/join-win32.js +++ b/benchmark/path/join-win32.js @@ -15,7 +15,7 @@ function main({ n, paths }) { const orig = copy[1]; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { if (i % 3 === 0) { copy[1] = `${orig}${i}`; win32.join(...copy); diff --git a/benchmark/path/makeLong-win32.js b/benchmark/path/makeLong-win32.js index 45d0d8de60d7e0..864a9cfffe63b9 100644 --- a/benchmark/path/makeLong-win32.js +++ b/benchmark/path/makeLong-win32.js @@ -14,7 +14,7 @@ const bench = common.createBenchmark(main, { function main({ n, path }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { win32._makeLong(i % 3 === 0 ? `${path}${i}` : path); } bench.end(n); diff --git a/benchmark/path/normalize-posix.js b/benchmark/path/normalize-posix.js index 4383cff4a588f7..e0722097025020 100644 --- a/benchmark/path/normalize-posix.js +++ b/benchmark/path/normalize-posix.js @@ -16,7 +16,7 @@ const bench = common.createBenchmark(main, { function main({ n, path }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { posix.normalize(i % 3 === 0 ? `${path}${i}` : path); } bench.end(n); diff --git a/benchmark/path/normalize-win32.js b/benchmark/path/normalize-win32.js index 319c391d17a712..84e16ca3c2d0e9 100644 --- a/benchmark/path/normalize-win32.js +++ b/benchmark/path/normalize-win32.js @@ -16,7 +16,7 @@ const bench = common.createBenchmark(main, { function main({ n, path }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { win32.normalize(i % 3 === 0 ? `${path}${i}` : path); } bench.end(n); diff --git a/benchmark/path/resolve-posix.js b/benchmark/path/resolve-posix.js index 3cdf1cd49a0754..dbae350c62a35f 100644 --- a/benchmark/path/resolve-posix.js +++ b/benchmark/path/resolve-posix.js @@ -18,7 +18,7 @@ function main({ n, paths }) { const orig = copy[0]; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { if (i % 3 === 0) { copy[0] = `${orig}${i}`; posix.resolve(...copy); diff --git a/benchmark/path/resolve-win32.js b/benchmark/path/resolve-win32.js index cf8144ef2c57cd..7def7aa1025d50 100644 --- a/benchmark/path/resolve-win32.js +++ b/benchmark/path/resolve-win32.js @@ -18,7 +18,7 @@ function main({ n, paths }) { const orig = copy[0]; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { if (i % 3 === 0) { copy[0] = `${orig}${i}`; win32.resolve(...copy); diff --git a/benchmark/process/memoryUsage.js b/benchmark/process/memoryUsage.js index f9b969ab885d8b..1c743d81f1f465 100644 --- a/benchmark/process/memoryUsage.js +++ b/benchmark/process/memoryUsage.js @@ -7,7 +7,7 @@ const bench = common.createBenchmark(main, { function main({ n }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { process.memoryUsage(); } bench.end(n); diff --git a/benchmark/process/next-tick-breadth-args.js b/benchmark/process/next-tick-breadth-args.js index 03651dbdbb4eea..7270fda720c5f0 100644 --- a/benchmark/process/next-tick-breadth-args.js +++ b/benchmark/process/next-tick-breadth-args.js @@ -33,7 +33,7 @@ function main({ n }) { } bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { if (i % 4 === 0) process.nextTick(cb4, 3.14, 1024, true, false); else if (i % 3 === 0) diff --git a/benchmark/process/next-tick-breadth.js b/benchmark/process/next-tick-breadth.js index 297bf43495d2e6..b295294e1423e5 100644 --- a/benchmark/process/next-tick-breadth.js +++ b/benchmark/process/next-tick-breadth.js @@ -15,7 +15,7 @@ function main({ n }) { } bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { process.nextTick(cb); } } diff --git a/benchmark/process/next-tick-exec-args.js b/benchmark/process/next-tick-exec-args.js index ec172ea8931e3f..7893e2c70903e5 100644 --- a/benchmark/process/next-tick-exec-args.js +++ b/benchmark/process/next-tick-exec-args.js @@ -10,7 +10,7 @@ function main({ n }) { bench.end(n); } - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { if (i % 4 === 0) process.nextTick(onNextTick, i, true, 10, 'test'); else if (i % 3 === 0) diff --git a/benchmark/process/next-tick-exec.js b/benchmark/process/next-tick-exec.js index 14fce9cccf8d6a..eefe2b7ceb765f 100644 --- a/benchmark/process/next-tick-exec.js +++ b/benchmark/process/next-tick-exec.js @@ -10,7 +10,7 @@ function main({ n }) { bench.end(n); } - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { process.nextTick(onNextTick, i); } diff --git a/benchmark/process/queue-microtask-breadth.js b/benchmark/process/queue-microtask-breadth.js index 8bb33f6fdee6cc..6d225cbd526f8a 100644 --- a/benchmark/process/queue-microtask-breadth.js +++ b/benchmark/process/queue-microtask-breadth.js @@ -15,7 +15,7 @@ function main({ n }) { } bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { queueMicrotask(cb); } } diff --git a/benchmark/querystring/querystring-stringify.js b/benchmark/querystring/querystring-stringify.js index 6c5da0f464034f..be81f67fa826d7 100644 --- a/benchmark/querystring/querystring-stringify.js +++ b/benchmark/querystring/querystring-stringify.js @@ -38,7 +38,7 @@ function main({ type, n }) { querystring.stringify(inputs[name]); bench.start(); - for (var i = 0; i < n; i += 1) + for (let i = 0; i < n; i += 1) querystring.stringify(input); bench.end(n); } diff --git a/benchmark/querystring/querystring-unescapebuffer.js b/benchmark/querystring/querystring-unescapebuffer.js index 39dd085eda938c..e6b842b3f94127 100644 --- a/benchmark/querystring/querystring-unescapebuffer.js +++ b/benchmark/querystring/querystring-unescapebuffer.js @@ -14,7 +14,7 @@ const bench = common.createBenchmark(main, { function main({ input, n }) { bench.start(); - for (var i = 0; i < n; i += 1) + for (let i = 0; i < n; i += 1) querystring.unescapeBuffer(input); bench.end(n); } diff --git a/benchmark/string_decoder/string-decoder-create.js b/benchmark/string_decoder/string-decoder-create.js index fad727222e1870..f7fa5e0246b860 100644 --- a/benchmark/string_decoder/string-decoder-create.js +++ b/benchmark/string_decoder/string-decoder-create.js @@ -11,7 +11,7 @@ const bench = common.createBenchmark(main, { function main({ encoding, n }) { bench.start(); - for (var i = 0; i < n; ++i) { + for (let i = 0; i < n; ++i) { const sd = new StringDecoder(encoding); !!sd.encoding; } diff --git a/benchmark/timers/immediate.js b/benchmark/timers/immediate.js index ba50f961daa6aa..d12106a0e030fc 100644 --- a/benchmark/timers/immediate.js +++ b/benchmark/timers/immediate.js @@ -66,7 +66,7 @@ function breadth(N) { if (n === N) bench.end(N); } - for (var i = 0; i < N; i++) { + for (let i = 0; i < N; i++) { setImmediate(cb); } } @@ -80,7 +80,7 @@ function breadth1(N) { if (n === N) bench.end(n); } - for (var i = 0; i < N; i++) { + for (let i = 0; i < N; i++) { setImmediate(cb, 1); } } @@ -95,7 +95,7 @@ function breadth4(N) { if (n === N) bench.end(n); } - for (var i = 0; i < N; i++) { + for (let i = 0; i < N; i++) { setImmediate(cb, 1, 2, 3, 4); } } @@ -107,7 +107,7 @@ function clear(N) { if (a1 === 2) bench.end(N); } - for (var i = 0; i < N; i++) { + for (let i = 0; i < N; i++) { clearImmediate(setImmediate(cb, 1)); } setImmediate(cb, 2); diff --git a/benchmark/timers/timers-breadth-args.js b/benchmark/timers/timers-breadth-args.js index bdb3adbbec6b7a..63a301dc9bc7dc 100644 --- a/benchmark/timers/timers-breadth-args.js +++ b/benchmark/timers/timers-breadth-args.js @@ -32,7 +32,7 @@ function main({ n }) { } bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { if (i % 4 === 0) setTimeout(cb4, 1, 3.14, 1024, true, false); else if (i % 3 === 0) diff --git a/benchmark/timers/timers-breadth.js b/benchmark/timers/timers-breadth.js index 8cd77f4fab2852..78bd5a97ae84b8 100644 --- a/benchmark/timers/timers-breadth.js +++ b/benchmark/timers/timers-breadth.js @@ -13,7 +13,7 @@ function main({ n }) { if (j === n) bench.end(n); } - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { setTimeout(cb, 1); } } diff --git a/benchmark/timers/timers-cancel-pooled.js b/benchmark/timers/timers-cancel-pooled.js index 6f16f3c91da8a8..5045983210263e 100644 --- a/benchmark/timers/timers-cancel-pooled.js +++ b/benchmark/timers/timers-cancel-pooled.js @@ -9,7 +9,7 @@ const bench = common.createBenchmark(main, { function main({ n }) { var timer = setTimeout(() => {}, 1); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { setTimeout(cb, 1); } var next = timer._idlePrev; @@ -17,7 +17,7 @@ function main({ n }) { bench.start(); - for (var j = 0; j < n; j++) { + for (let j = 0; j < n; j++) { timer = next; next = timer._idlePrev; clearTimeout(timer); diff --git a/benchmark/timers/timers-cancel-unpooled.js b/benchmark/timers/timers-cancel-unpooled.js index 1daf68bde0ed51..df203ee4810b1d 100644 --- a/benchmark/timers/timers-cancel-unpooled.js +++ b/benchmark/timers/timers-cancel-unpooled.js @@ -10,7 +10,7 @@ const bench = common.createBenchmark(main, { function main({ n, direction }) { const timersList = []; - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { timersList.push(setTimeout(cb, i + 1)); } diff --git a/benchmark/timers/timers-insert-pooled.js b/benchmark/timers/timers-insert-pooled.js index a7441a9eaf76f6..91b69d34514a86 100644 --- a/benchmark/timers/timers-insert-pooled.js +++ b/benchmark/timers/timers-insert-pooled.js @@ -9,7 +9,7 @@ function main({ n }) { bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { setTimeout(() => {}, 1); } diff --git a/benchmark/timers/timers-insert-unpooled.js b/benchmark/timers/timers-insert-unpooled.js index 232cc7c31aff16..11d25d5fe79670 100644 --- a/benchmark/timers/timers-insert-unpooled.js +++ b/benchmark/timers/timers-insert-unpooled.js @@ -23,7 +23,7 @@ function main({ direction, n }) { } bench.end(n); - for (var j = 0; j < n; j++) { + for (let j = 0; j < n; j++) { clearTimeout(timersList[j]); } } diff --git a/benchmark/timers/timers-timeout-nexttick.js b/benchmark/timers/timers-timeout-nexttick.js index 638d8aec149cd5..784c8e0168dd28 100644 --- a/benchmark/timers/timers-timeout-nexttick.js +++ b/benchmark/timers/timers-timeout-nexttick.js @@ -30,7 +30,7 @@ function main({ n }) { bench.end(n); } - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { setTimeout(i % 2 ? cb : cb2, 1); } diff --git a/benchmark/timers/timers-timeout-pooled.js b/benchmark/timers/timers-timeout-pooled.js index 1cdae07dc98bdc..eb54d3c7a0082a 100644 --- a/benchmark/timers/timers-timeout-pooled.js +++ b/benchmark/timers/timers-timeout-pooled.js @@ -27,7 +27,7 @@ function main({ n }) { bench.end(n); } - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { setTimeout(i % 2 ? cb : cb2, 1); } diff --git a/benchmark/timers/timers-timeout-unpooled.js b/benchmark/timers/timers-timeout-unpooled.js index fecb73a36013b0..a7820805082047 100644 --- a/benchmark/timers/timers-timeout-unpooled.js +++ b/benchmark/timers/timers-timeout-unpooled.js @@ -27,7 +27,7 @@ function main({ n }) { bench.end(n); } - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { // unref().ref() will cause each of these timers to // allocate their own handle setTimeout(i % 2 ? cb : cb2, 1).unref().ref(); diff --git a/benchmark/tls/convertprotocols.js b/benchmark/tls/convertprotocols.js index 0ba6c6dd0873b5..74bb942bfcec4f 100644 --- a/benchmark/tls/convertprotocols.js +++ b/benchmark/tls/convertprotocols.js @@ -16,7 +16,7 @@ function main({ n }) { m = {}; } bench.start(); - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) tls.convertALPNProtocols(input, m); bench.end(n); } diff --git a/benchmark/tls/tls-connect.js b/benchmark/tls/tls-connect.js index 4300f6841f0cd6..1cb04d98a52721 100644 --- a/benchmark/tls/tls-connect.js +++ b/benchmark/tls/tls-connect.js @@ -31,7 +31,7 @@ function main(conf) { function onListening() { setTimeout(done, dur * 1000); bench.start(); - for (var i = 0; i < concurrency; i++) + for (let i = 0; i < concurrency; i++) makeConnection(); } diff --git a/benchmark/v8/get-stats.js b/benchmark/v8/get-stats.js index aa1f0516811983..d5ce102774df6e 100644 --- a/benchmark/v8/get-stats.js +++ b/benchmark/v8/get-stats.js @@ -13,7 +13,7 @@ const bench = common.createBenchmark(main, { function main({ method, n }) { bench.start(); - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) v8[method](); bench.end(n); } diff --git a/benchmark/vm/run-in-context.js b/benchmark/vm/run-in-context.js index 9b57067a19c9ac..980a08e7e56e8c 100644 --- a/benchmark/vm/run-in-context.js +++ b/benchmark/vm/run-in-context.js @@ -20,7 +20,7 @@ function main({ n, breakOnSigint, withSigintListener }) { const contextifiedSandbox = vm.createContext(); bench.start(); - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) vm.runInContext('0', contextifiedSandbox, options); bench.end(n); } diff --git a/benchmark/vm/run-in-this-context.js b/benchmark/vm/run-in-this-context.js index 0754287376d58c..c612c1ea49ecf6 100644 --- a/benchmark/vm/run-in-this-context.js +++ b/benchmark/vm/run-in-this-context.js @@ -18,7 +18,7 @@ function main({ n, breakOnSigint, withSigintListener }) { process.on('SIGINT', () => {}); bench.start(); - for (var i = 0; i < n; i++) + for (let i = 0; i < n; i++) vm.runInThisContext('0', options); bench.end(n); } diff --git a/benchmark/worker/echo.js b/benchmark/worker/echo.js index 60a81f0712c4c0..8d45a1f76b5eac 100644 --- a/benchmark/worker/echo.js +++ b/benchmark/worker/echo.js @@ -32,7 +32,7 @@ function main({ n, workers, sendsPerBroadcast: sends, payload: payloadType }) { const workerObjs = []; - for (var i = 0; i < workers; ++i) { + for (let i = 0; i < workers; ++i) { const worker = new Worker(workerPath); workerObjs.push(worker); worker.on('online', onOnline); From 5bcd73f31509be4bbaf8d98b1ac78ae3dd5f87fa Mon Sep 17 00:00:00 2001 From: Daniele Belardi Date: Fri, 31 Jan 2020 16:50:00 +0100 Subject: [PATCH 200/224] benchmark: use let instead of var Use `let` in module, napi, net, os, path, process, querystring, streams and string_decoder. PR-URL: https://github.com/nodejs/node/pull/31592 Reviewed-By: Anna Henningsen Reviewed-By: Anto Aravinth Reviewed-By: James M Snell Reviewed-By: Rich Trott --- benchmark/module/module-loader-deep.js | 5 ++--- benchmark/module/module-loader.js | 7 +++---- benchmark/napi/function_args/index.js | 2 +- benchmark/napi/function_call/index.js | 4 ++-- benchmark/net/net-c2s-cork.js | 4 ++-- benchmark/net/net-c2s.js | 4 ++-- benchmark/net/net-pipe.js | 4 ++-- benchmark/net/net-s2c.js | 12 ++++++------ benchmark/net/net-wrap-js-stream-passthrough.js | 4 ++-- benchmark/net/tcp-raw-c2s.js | 8 ++++---- benchmark/net/tcp-raw-pipe.js | 8 ++++---- benchmark/net/tcp-raw-s2c.js | 8 ++++---- benchmark/path/basename-posix.js | 2 +- benchmark/path/basename-win32.js | 2 +- benchmark/path/relative-posix.js | 2 +- benchmark/path/relative-win32.js | 2 +- benchmark/process/bench-hrtime.js | 9 ++++----- benchmark/process/next-tick-breadth-args.js | 2 +- benchmark/process/next-tick-breadth.js | 2 +- benchmark/process/queue-microtask-breadth.js | 2 +- benchmark/querystring/querystring-parse.js | 10 +++++----- benchmark/streams/creation.js | 9 ++++----- benchmark/streams/pipe-object-mode.js | 2 +- benchmark/streams/pipe.js | 2 +- benchmark/streams/readable-bigread.js | 4 ++-- benchmark/streams/readable-bigunevenread.js | 4 ++-- benchmark/streams/readable-boundaryread.js | 6 +++--- benchmark/streams/readable-readall.js | 4 ++-- benchmark/streams/readable-unevenread.js | 4 ++-- benchmark/string_decoder/string-decoder.js | 17 ++++++++--------- 30 files changed, 75 insertions(+), 80 deletions(-) diff --git a/benchmark/module/module-loader-deep.js b/benchmark/module/module-loader-deep.js index a7e67296ea7a87..5b4f4b907a7ce6 100644 --- a/benchmark/module/module-loader-deep.js +++ b/benchmark/module/module-loader-deep.js @@ -37,14 +37,13 @@ function main({ ext, cache, files }) { } function measureDir(cache, files) { - var i; if (cache) { - for (i = 0; i <= files; i++) { + for (let i = 0; i <= files; i++) { require(`${benchmarkDirectory}/${i}`); } } bench.start(); - for (i = 0; i <= files; i++) { + for (let i = 0; i <= files; i++) { require(`${benchmarkDirectory}/${i}`); } bench.end(files); diff --git a/benchmark/module/module-loader.js b/benchmark/module/module-loader.js index c89f51d6a1a19f..f31ac8722cb208 100644 --- a/benchmark/module/module-loader.js +++ b/benchmark/module/module-loader.js @@ -42,15 +42,14 @@ function main({ n, name, cache, files, dir }) { } function measureDir(n, cache, files, name) { - var i; if (cache) { - for (i = 0; i <= files; i++) { + for (let i = 0; i <= files; i++) { require(`${benchmarkDirectory}${i}${name}`); } } bench.start(); - for (i = 0; i <= files; i++) { - for (var j = 0; j < n; j++) + for (let i = 0; i <= files; i++) { + for (let j = 0; j < n; j++) require(`${benchmarkDirectory}${i}${name}`); // Pretend mixed input (otherwise the results are less representative due to // highly specialized code). diff --git a/benchmark/napi/function_args/index.js b/benchmark/napi/function_args/index.js index 8f13454944772e..8ce9fa9d528f5c 100644 --- a/benchmark/napi/function_args/index.js +++ b/benchmark/napi/function_args/index.js @@ -89,7 +89,7 @@ function main({ n, engine, type }) { const args = generateArgs(type); bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { fn.apply(null, args); } bench.end(n); diff --git a/benchmark/napi/function_call/index.js b/benchmark/napi/function_call/index.js index 3eebf9c05acdb1..1e1d159c8ad83a 100644 --- a/benchmark/napi/function_call/index.js +++ b/benchmark/napi/function_call/index.js @@ -29,7 +29,7 @@ try { } const napi = napi_binding.hello; -var c = 0; +let c = 0; function js() { return c++; } @@ -44,7 +44,7 @@ const bench = common.createBenchmark(main, { function main({ n, type }) { const fn = type === 'cxx' ? cxx : type === 'napi' ? napi : js; bench.start(); - for (var i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { fn(); } bench.end(n); diff --git a/benchmark/net/net-c2s-cork.js b/benchmark/net/net-c2s-cork.js index 12d15fe0795e57..1493cae68d0069 100644 --- a/benchmark/net/net-c2s-cork.js +++ b/benchmark/net/net-c2s-cork.js @@ -11,8 +11,8 @@ const bench = common.createBenchmark(main, { dur: [5], }); -var chunk; -var encoding; +let chunk; +let encoding; function main({ dur, len, type }) { switch (type) { diff --git a/benchmark/net/net-c2s.js b/benchmark/net/net-c2s.js index 4b64cbeca18124..cacd6815630b2e 100644 --- a/benchmark/net/net-c2s.js +++ b/benchmark/net/net-c2s.js @@ -11,8 +11,8 @@ const bench = common.createBenchmark(main, { dur: [5], }); -var chunk; -var encoding; +let chunk; +let encoding; function main({ dur, len, type }) { switch (type) { diff --git a/benchmark/net/net-pipe.js b/benchmark/net/net-pipe.js index 06426129f7f271..d86ff73041d845 100644 --- a/benchmark/net/net-pipe.js +++ b/benchmark/net/net-pipe.js @@ -11,8 +11,8 @@ const bench = common.createBenchmark(main, { dur: [5], }); -var chunk; -var encoding; +let chunk; +let encoding; function main({ dur, len, type }) { switch (type) { diff --git a/benchmark/net/net-s2c.js b/benchmark/net/net-s2c.js index d8c26db9bdb035..789eadf0a18dba 100644 --- a/benchmark/net/net-s2c.js +++ b/benchmark/net/net-s2c.js @@ -12,10 +12,10 @@ const bench = common.createBenchmark(main, { dur: [5] }); -var chunk; -var encoding; -var recvbuf; -var received = 0; +let chunk; +let encoding; +let recvbuf; +let received = 0; function main({ dur, sendchunklen, type, recvbuflen, recvbufgenfn }) { if (isFinite(recvbuflen) && recvbuflen > 0) @@ -38,8 +38,8 @@ function main({ dur, sendchunklen, type, recvbuflen, recvbufgenfn }) { } const reader = new Reader(); - var writer; - var socketOpts; + let writer; + let socketOpts; if (recvbuf === undefined) { writer = new Writer(); socketOpts = { port: PORT }; diff --git a/benchmark/net/net-wrap-js-stream-passthrough.js b/benchmark/net/net-wrap-js-stream-passthrough.js index 1e8a1ee1c5a092..0d7be36c6aa545 100644 --- a/benchmark/net/net-wrap-js-stream-passthrough.js +++ b/benchmark/net/net-wrap-js-stream-passthrough.js @@ -12,8 +12,8 @@ const bench = common.createBenchmark(main, { flags: ['--expose-internals'] }); -var chunk; -var encoding; +let chunk; +let encoding; function main({ dur, len, type }) { // Can only require internals inside main(). diff --git a/benchmark/net/tcp-raw-c2s.js b/benchmark/net/tcp-raw-c2s.js index fe320ddaa2716b..b8af124a7f40fc 100644 --- a/benchmark/net/tcp-raw-c2s.js +++ b/benchmark/net/tcp-raw-c2s.js @@ -24,7 +24,7 @@ function main({ dur, len, type }) { const PORT = common.PORT; const serverHandle = new TCP(TCPConstants.SERVER); - var err = serverHandle.bind('127.0.0.1', PORT); + let err = serverHandle.bind('127.0.0.1', PORT); if (err) fail(err, 'bind'); @@ -38,7 +38,7 @@ function main({ dur, len, type }) { // The meat of the benchmark is right here: bench.start(); - var bytes = 0; + let bytes = 0; setTimeout(() => { // report in Gb/sec @@ -67,7 +67,7 @@ function main({ dur, len, type }) { } function client(type, len) { - var chunk; + let chunk; switch (type) { case 'buf': chunk = Buffer.alloc(len, 'x'); @@ -102,7 +102,7 @@ function main({ dur, len, type }) { function write() { const writeReq = new WriteWrap(); writeReq.oncomplete = afterWrite; - var err; + let err; switch (type) { case 'buf': err = clientHandle.writeBuffer(writeReq, chunk); diff --git a/benchmark/net/tcp-raw-pipe.js b/benchmark/net/tcp-raw-pipe.js index 4420cc2e6dcc17..249b61046a84cf 100644 --- a/benchmark/net/tcp-raw-pipe.js +++ b/benchmark/net/tcp-raw-pipe.js @@ -31,7 +31,7 @@ function main({ dur, len, type }) { // Server const serverHandle = new TCP(TCPConstants.SERVER); - var err = serverHandle.bind('127.0.0.1', PORT); + let err = serverHandle.bind('127.0.0.1', PORT); if (err) fail(err, 'bind'); @@ -66,7 +66,7 @@ function main({ dur, len, type }) { }; // Client - var chunk; + let chunk; switch (type) { case 'buf': chunk = Buffer.alloc(len, 'x'); @@ -83,7 +83,7 @@ function main({ dur, len, type }) { const clientHandle = new TCP(TCPConstants.SOCKET); const connectReq = new TCPConnectWrap(); - var bytes = 0; + let bytes = 0; err = clientHandle.connect(connectReq, '127.0.0.1', PORT); if (err) @@ -118,7 +118,7 @@ function main({ dur, len, type }) { function write() { const writeReq = new WriteWrap(); writeReq.oncomplete = afterWrite; - var err; + let err; switch (type) { case 'buf': err = clientHandle.writeBuffer(writeReq, chunk); diff --git a/benchmark/net/tcp-raw-s2c.js b/benchmark/net/tcp-raw-s2c.js index cc2f69019fff61..393cf060489cb8 100644 --- a/benchmark/net/tcp-raw-s2c.js +++ b/benchmark/net/tcp-raw-s2c.js @@ -26,7 +26,7 @@ function main({ dur, len, type }) { const PORT = common.PORT; const serverHandle = new TCP(TCPConstants.SERVER); - var err = serverHandle.bind('127.0.0.1', PORT); + let err = serverHandle.bind('127.0.0.1', PORT); if (err) fail(err, 'bind'); @@ -38,7 +38,7 @@ function main({ dur, len, type }) { if (err) fail(err, 'connect'); - var chunk; + let chunk; switch (type) { case 'buf': chunk = Buffer.alloc(len, 'x'); @@ -62,7 +62,7 @@ function main({ dur, len, type }) { const writeReq = new WriteWrap(); writeReq.async = false; writeReq.oncomplete = afterWrite; - var err; + let err; switch (type) { case 'buf': err = clientHandle.writeBuffer(writeReq, chunk); @@ -108,7 +108,7 @@ function main({ dur, len, type }) { fail(err, 'connect'); connectReq.oncomplete = function() { - var bytes = 0; + let bytes = 0; clientHandle.onread = function(buffer) { // We're not expecting to ever get an EOF from the client. // Just lots of data forever. diff --git a/benchmark/path/basename-posix.js b/benchmark/path/basename-posix.js index 2116f03d5e13e1..6600068d4c53f6 100644 --- a/benchmark/path/basename-posix.js +++ b/benchmark/path/basename-posix.js @@ -19,7 +19,7 @@ const bench = common.createBenchmark(main, { }); function main({ n, pathext }) { - var ext; + let ext; const extIdx = pathext.indexOf('|'); if (extIdx !== -1) { ext = pathext.slice(extIdx + 1); diff --git a/benchmark/path/basename-win32.js b/benchmark/path/basename-win32.js index d310ef2afcf580..dc26a134e29252 100644 --- a/benchmark/path/basename-win32.js +++ b/benchmark/path/basename-win32.js @@ -19,7 +19,7 @@ const bench = common.createBenchmark(main, { }); function main({ n, pathext }) { - var ext; + let ext; const extIdx = pathext.indexOf('|'); if (extIdx !== -1) { ext = pathext.slice(extIdx + 1); diff --git a/benchmark/path/relative-posix.js b/benchmark/path/relative-posix.js index 2c4dd31d2778c7..0285c2c968dcb2 100644 --- a/benchmark/path/relative-posix.js +++ b/benchmark/path/relative-posix.js @@ -16,7 +16,7 @@ const bench = common.createBenchmark(main, { }); function main({ n, paths }) { - var to = ''; + let to = ''; const delimIdx = paths.indexOf('|'); if (delimIdx > -1) { to = paths.slice(delimIdx + 1); diff --git a/benchmark/path/relative-win32.js b/benchmark/path/relative-win32.js index 5f34fdf8fd5842..401919aa20d802 100644 --- a/benchmark/path/relative-win32.js +++ b/benchmark/path/relative-win32.js @@ -14,7 +14,7 @@ const bench = common.createBenchmark(main, { }); function main({ n, paths }) { - var to = ''; + let to = ''; const delimIdx = paths.indexOf('|'); if (delimIdx > -1) { to = paths.slice(delimIdx + 1); diff --git a/benchmark/process/bench-hrtime.js b/benchmark/process/bench-hrtime.js index d73ed7aae4336e..2da9035f806cf9 100644 --- a/benchmark/process/bench-hrtime.js +++ b/benchmark/process/bench-hrtime.js @@ -10,27 +10,26 @@ const bench = common.createBenchmark(main, { function main({ n, type }) { const hrtime = process.hrtime; - var noDead = type === 'bigint' ? hrtime.bigint() : hrtime(); - var i; + let noDead = type === 'bigint' ? hrtime.bigint() : hrtime(); switch (type) { case 'raw': bench.start(); - for (i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { noDead = hrtime(); } bench.end(n); break; case 'diff': bench.start(); - for (i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { noDead = hrtime(noDead); } bench.end(n); break; case 'bigint': bench.start(); - for (i = 0; i < n; i++) { + for (let i = 0; i < n; i++) { noDead = hrtime.bigint(); } bench.end(n); diff --git a/benchmark/process/next-tick-breadth-args.js b/benchmark/process/next-tick-breadth-args.js index 7270fda720c5f0..bd3b24ddc29fc5 100644 --- a/benchmark/process/next-tick-breadth-args.js +++ b/benchmark/process/next-tick-breadth-args.js @@ -6,7 +6,7 @@ const bench = common.createBenchmark(main, { }); function main({ n }) { - var j = 0; + let j = 0; function cb1(arg1) { j++; diff --git a/benchmark/process/next-tick-breadth.js b/benchmark/process/next-tick-breadth.js index b295294e1423e5..eb34ea830acfe7 100644 --- a/benchmark/process/next-tick-breadth.js +++ b/benchmark/process/next-tick-breadth.js @@ -6,7 +6,7 @@ const bench = common.createBenchmark(main, { }); function main({ n }) { - var j = 0; + let j = 0; function cb() { j++; diff --git a/benchmark/process/queue-microtask-breadth.js b/benchmark/process/queue-microtask-breadth.js index 6d225cbd526f8a..610dfc584ef738 100644 --- a/benchmark/process/queue-microtask-breadth.js +++ b/benchmark/process/queue-microtask-breadth.js @@ -6,7 +6,7 @@ const bench = common.createBenchmark(main, { }); function main({ n }) { - var j = 0; + let j = 0; function cb() { j++; diff --git a/benchmark/querystring/querystring-parse.js b/benchmark/querystring/querystring-parse.js index ca4dca13bc14eb..2a5f3048de46b9 100644 --- a/benchmark/querystring/querystring-parse.js +++ b/benchmark/querystring/querystring-parse.js @@ -10,23 +10,23 @@ const bench = common.createBenchmark(main, { function main({ type, n }) { const input = inputs[type]; - var i; + // Execute the function a "sufficient" number of times before the timed // loop to ensure the function is optimized just once. if (type === 'multicharsep') { - for (i = 0; i < n; i += 1) + for (let i = 0; i < n; i += 1) querystring.parse(input, '&&&&&&&&&&'); bench.start(); - for (i = 0; i < n; i += 1) + for (let i = 0; i < n; i += 1) querystring.parse(input, '&&&&&&&&&&'); bench.end(n); } else { - for (i = 0; i < n; i += 1) + for (let i = 0; i < n; i += 1) querystring.parse(input); bench.start(); - for (i = 0; i < n; i += 1) + for (let i = 0; i < n; i += 1) querystring.parse(input); bench.end(n); } diff --git a/benchmark/streams/creation.js b/benchmark/streams/creation.js index 46a0a547907c45..760ab5c89dca96 100644 --- a/benchmark/streams/creation.js +++ b/benchmark/streams/creation.js @@ -13,14 +13,13 @@ const bench = common.createBenchmark(main, { }); function main({ n, kind }) { - var i = 0; switch (kind) { case 'duplex': new Duplex({}); new Duplex(); bench.start(); - for (; i < n; ++i) + for (let i = 0; i < n; ++i) new Duplex(); bench.end(n); break; @@ -29,7 +28,7 @@ function main({ n, kind }) { new Readable(); bench.start(); - for (; i < n; ++i) + for (let i = 0; i < n; ++i) new Readable(); bench.end(n); break; @@ -38,7 +37,7 @@ function main({ n, kind }) { new Writable(); bench.start(); - for (; i < n; ++i) + for (let i = 0; i < n; ++i) new Writable(); bench.end(n); break; @@ -47,7 +46,7 @@ function main({ n, kind }) { new Transform(); bench.start(); - for (; i < n; ++i) + for (let i = 0; i < n; ++i) new Transform(); bench.end(n); break; diff --git a/benchmark/streams/pipe-object-mode.js b/benchmark/streams/pipe-object-mode.js index d52b2238780ccb..33588819f00a6c 100644 --- a/benchmark/streams/pipe-object-mode.js +++ b/benchmark/streams/pipe-object-mode.js @@ -12,7 +12,7 @@ function main({ n }) { const r = new Readable({ objectMode: true }); const w = new Writable({ objectMode: true }); - var i = 0; + let i = 0; r._read = () => r.push(i++ === n ? null : b); w._write = (data, enc, cb) => cb(); diff --git a/benchmark/streams/pipe.js b/benchmark/streams/pipe.js index 4baeeb2d2e7706..0df1afdbe10134 100644 --- a/benchmark/streams/pipe.js +++ b/benchmark/streams/pipe.js @@ -12,7 +12,7 @@ function main({ n }) { const r = new Readable(); const w = new Writable(); - var i = 0; + let i = 0; r._read = () => r.push(i++ === n ? null : b); w._write = (data, enc, cb) => cb(); diff --git a/benchmark/streams/readable-bigread.js b/benchmark/streams/readable-bigread.js index c3cff3d933d915..1bd1dab4edb07f 100644 --- a/benchmark/streams/readable-bigread.js +++ b/benchmark/streams/readable-bigread.js @@ -14,8 +14,8 @@ function main({ n }) { s._read = noop; bench.start(); - for (var k = 0; k < n; ++k) { - for (var i = 0; i < 1e4; ++i) + for (let k = 0; k < n; ++k) { + for (let i = 0; i < 1e4; ++i) s.push(b); while (s.read(128)); } diff --git a/benchmark/streams/readable-bigunevenread.js b/benchmark/streams/readable-bigunevenread.js index 95a4139c069e87..684986a778aba2 100644 --- a/benchmark/streams/readable-bigunevenread.js +++ b/benchmark/streams/readable-bigunevenread.js @@ -14,8 +14,8 @@ function main({ n }) { s._read = noop; bench.start(); - for (var k = 0; k < n; ++k) { - for (var i = 0; i < 1e4; ++i) + for (let k = 0; k < n; ++k) { + for (let i = 0; i < 1e4; ++i) s.push(b); while (s.read(106)); } diff --git a/benchmark/streams/readable-boundaryread.js b/benchmark/streams/readable-boundaryread.js index 835c7d18b51285..edc90d04de161d 100644 --- a/benchmark/streams/readable-boundaryread.js +++ b/benchmark/streams/readable-boundaryread.js @@ -10,14 +10,14 @@ const bench = common.createBenchmark(main, { function main({ n, type }) { const s = new Readable(); - var data = 'a'.repeat(32); + let data = 'a'.repeat(32); if (type === 'buffer') data = Buffer.from(data); s._read = function() {}; bench.start(); - for (var k = 0; k < n; ++k) { - for (var i = 0; i < 1e4; ++i) + for (let k = 0; k < n; ++k) { + for (let i = 0; i < 1e4; ++i) s.push(data); while (s.read(32)); } diff --git a/benchmark/streams/readable-readall.js b/benchmark/streams/readable-readall.js index 3c177ec4c39988..d14fd7756586e9 100644 --- a/benchmark/streams/readable-readall.js +++ b/benchmark/streams/readable-readall.js @@ -14,8 +14,8 @@ function main({ n }) { s._read = noop; bench.start(); - for (var k = 0; k < n; ++k) { - for (var i = 0; i < 1e4; ++i) + for (let k = 0; k < n; ++k) { + for (let i = 0; i < 1e4; ++i) s.push(b); while (s.read()); } diff --git a/benchmark/streams/readable-unevenread.js b/benchmark/streams/readable-unevenread.js index 690f1f420838c6..9da8410131bfff 100644 --- a/benchmark/streams/readable-unevenread.js +++ b/benchmark/streams/readable-unevenread.js @@ -14,8 +14,8 @@ function main({ n }) { s._read = noop; bench.start(); - for (var k = 0; k < n; ++k) { - for (var i = 0; i < 1e4; ++i) + for (let k = 0; k < n; ++k) { + for (let i = 0; i < 1e4; ++i) s.push(b); while (s.read(12)); } diff --git a/benchmark/string_decoder/string-decoder.js b/benchmark/string_decoder/string-decoder.js index 0e34effbc7d964..afc0dde62e7937 100644 --- a/benchmark/string_decoder/string-decoder.js +++ b/benchmark/string_decoder/string-decoder.js @@ -14,12 +14,11 @@ const ASC_ALPHA = 'Blueberry jam'; const UTF16_BUF = Buffer.from('Blåbærsyltetøy', 'utf16le'); function main({ encoding, inLen, chunkLen, n }) { - var alpha; - var buf; + let alpha; + let buf; const chunks = []; - var str = ''; + let str = ''; const isBase64 = (encoding === 'base64-ascii' || encoding === 'base64-utf8'); - var i; if (encoding === 'ascii' || encoding === 'base64-ascii') alpha = ASC_ALPHA; @@ -33,7 +32,7 @@ function main({ encoding, inLen, chunkLen, n }) { const sd = new StringDecoder(isBase64 ? 'base64' : encoding); - for (i = 0; i < inLen; ++i) { + for (let i = 0; i < inLen; ++i) { if (i > 0 && (i % chunkLen) === 0 && !isBase64) { if (alpha) { chunks.push(Buffer.from(str, encoding)); @@ -46,8 +45,8 @@ function main({ encoding, inLen, chunkLen, n }) { if (alpha) str += alpha[i % alpha.length]; else { - var start = i; - var end = i + 2; + let start = i; + let end = i + 2; if (i % 2 !== 0) { ++start; ++end; @@ -77,8 +76,8 @@ function main({ encoding, inLen, chunkLen, n }) { const nChunks = chunks.length; bench.start(); - for (i = 0; i < n; ++i) { - for (var j = 0; j < nChunks; ++j) + for (let i = 0; i < n; ++i) { + for (let j = 0; j < nChunks; ++j) sd.write(chunks[j]); } bench.end(n); From b05b04face8bf76894421f8eb6c8da8047fbe1f7 Mon Sep 17 00:00:00 2001 From: Robert Nagy Date: Tue, 11 Feb 2020 18:32:33 +0100 Subject: [PATCH 201/224] crypto: fix performance regression https://github.com/nodejs/node/commit/e559842188f541b884abff2ffad4d2d3e1b841a6 made writable/readable computed with a legacy mode if the properties are written to. LazyTransform still unecessarily wrote to these properties causing a performance regression. Fixes: https://github.com/nodejs/node/issues/31739 PR-URL: https://github.com/nodejs/node/pull/31742 Reviewed-By: Ruben Bridgewater Reviewed-By: Luigi Pinca Reviewed-By: Benjamin Gruenbaum Reviewed-By: Anna Henningsen --- lib/internal/streams/lazy_transform.js | 2 -- 1 file changed, 2 deletions(-) diff --git a/lib/internal/streams/lazy_transform.js b/lib/internal/streams/lazy_transform.js index 6584159095af39..69bba428af07f5 100644 --- a/lib/internal/streams/lazy_transform.js +++ b/lib/internal/streams/lazy_transform.js @@ -19,8 +19,6 @@ module.exports = LazyTransform; function LazyTransform(options) { this._options = options; - this.writable = true; - this.readable = true; } ObjectSetPrototypeOf(LazyTransform.prototype, stream.Transform.prototype); ObjectSetPrototypeOf(LazyTransform, stream.Transform); From d271cdbe21ff677554ce8143756cc88ca12eae87 Mon Sep 17 00:00:00 2001 From: gengjiawen Date: Wed, 1 May 2019 22:48:49 +0800 Subject: [PATCH 202/224] doc: add glossary.md PR-URL: https://github.com/nodejs/node/pull/27517 Reviewed-By: Gireesh Punathil Reviewed-By: Ruben Bridgewater Reviewed-By: Denys Otrishko --- glossary.md | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 glossary.md diff --git a/glossary.md b/glossary.md new file mode 100644 index 00000000000000..a48fd6083b407f --- /dev/null +++ b/glossary.md @@ -0,0 +1,16 @@ +You may also need to check https://chromium.googlesource.com/chromiumos/docs/+/master/glossary.md. + +* LGTM: "Looks good to me", commonly used to approve a code review. +* PTAL: Please take a look. +* RSLGTM: "Rubber-stamp looks good to me". The reviewer approving without doing + a full code review. +* TSC: Technical Steering Committee. Detailed info see + [TSC](./GOVERNANCE.md#technical-steering-committee). +* WIP: "Work In Progress" - e.g. a patch that's not finished, but may be worth + an early look. +* WPT: [web-platform-tests](https://github.com/web-platform-tests/wpt) +* godbolt: [Compiler Explorer](https://godbolt.org/) run compilers interactively + from your web browser and interact with the assembly. Was created by and is + primarily administrated by Matt Godbolt. +* primordials: Pristine built-ins that are not effected by prototype pollution + and tampering with built-ins. From 02bfb70818c63b5f74f9127e2009a1b2ff6ecbb5 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Mon, 10 Feb 2020 20:52:34 -1000 Subject: [PATCH 203/224] test: mark test-fs-stat-bigint flaky on FreeBSD Refs: https://github.com/nodejs/node/issues/31727 PR-URL: https://github.com/nodejs/node/pull/31728 Reviewed-By: Ruben Bridgewater Reviewed-By: Colin Ihrig Reviewed-By: Denys Otrishko Reviewed-By: James M Snell --- test/parallel/parallel.status | 2 ++ 1 file changed, 2 insertions(+) diff --git a/test/parallel/parallel.status b/test/parallel/parallel.status index 4da57d81a18165..5f8445e1ec03c0 100644 --- a/test/parallel/parallel.status +++ b/test/parallel/parallel.status @@ -46,6 +46,8 @@ test-async-hooks-http-parser-destroy: PASS,FLAKY [$system==solaris] # Also applies to SmartOS [$system==freebsd] +# https://github.com/nodejs/node/issues/31727 +test-fs-stat-bigint: PASS,FLAKY [$system==aix] From 2eb92ead2517ad7b5ecfb6ebe65fa2c42a0be10c Mon Sep 17 00:00:00 2001 From: Shelley Vohr Date: Wed, 12 Feb 2020 14:14:06 -0800 Subject: [PATCH 204/224] src: use hex not decimal in IsArrayIndex PR-URL: https://github.com/nodejs/node/pull/31758 Reviewed-By: James M Snell Reviewed-By: Colin Ihrig Reviewed-By: David Carlier Reviewed-By: Denys Otrishko Reviewed-By: Anna Henningsen --- src/module_wrap.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/module_wrap.cc b/src/module_wrap.cc index b53aab6dc16c7a..b3ff343508be3b 100644 --- a/src/module_wrap.cc +++ b/src/module_wrap.cc @@ -923,7 +923,7 @@ bool IsArrayIndex(Environment* env, Local p) { if (!n->ToInteger(context).ToLocal(&cmp_integer)) { return false; } - return n_dbl > 0 && n_dbl < (2 ^ 32) - 1; + return n_dbl > 0 && n_dbl < (1LL << 32) - 1; } Maybe ResolveExportsTarget(Environment* env, From df2355f5e4e3c0f6094474f03d37db8e3c9b2704 Mon Sep 17 00:00:00 2001 From: Michael Dawson Date: Fri, 24 Jan 2020 11:46:40 -0500 Subject: [PATCH 205/224] doc: guide - using valgrind to debug memory leaks Add doc for using valgrind to debug native memory leaks. Started writing this up as part of an effort in the Diagnostic WG but think it's better to have it in the core guides and then be referenced by the docs in the Diagnostic WG repo. For more details on the Diagnostic WG effort see https://github.com/nodejs/diagnostics/issues/254#issuecomment-538853390 This guide is related to `/step3 - using_native_tools.md` PR-URL: https://github.com/nodejs/node/pull/31501 Reviewed-By: Gireesh Punathil Reviewed-By: Denys Otrishko Reviewed-By: James M Snell --- .../investigating_native_memory_leak.md | 447 ++++++++++++++++++ 1 file changed, 447 insertions(+) create mode 100644 doc/guides/investigating_native_memory_leak.md diff --git a/doc/guides/investigating_native_memory_leak.md b/doc/guides/investigating_native_memory_leak.md new file mode 100644 index 00000000000000..366cc2917f6a4c --- /dev/null +++ b/doc/guides/investigating_native_memory_leak.md @@ -0,0 +1,447 @@ +# Investigating Memory Leaks with valgrind + +A Node.js process may run out of memory due to excessive consumption of +native memory. Native Memory is memory which is not managed by the +V8 Garbage collector and is allocated either by the Node.js runtime, its +dependencies or native [addons](https://nodejs.org/docs/latest/api/n-api.html). + +This guide provides information on how to use valgrind to investigate these +issues on Linux platforms. + +## valgrind + +[Valgrind](https://valgrind.org/docs/manual/quick-start.html) is a +tool available on Linux distributions which can be used to investigate +memory usage including identifying memory leaks (memory which is +allocated and not freed) and other memory related problems +like double freeing memory. + +To use valgrind: + +* Be patient, running under valgrind slows execution significantly + due to the checks being performed. +* Reduce your test case to the smallest reproduce. Due to the slowdown it is + important to run the minimum test case in order to be able to do it in + a reasonable time. + +## Installation + +It is an optional package in most cases and must be installed explicitly. +For example on Debian/Ubuntu: + +```console +apt-get install valgrind +``` + +## Invocation +The simplest invocation of valgrind is: + +```console +valgrind node test.js +``` + +with the output being: + +```console +user1@minikube1:~/valgrind/node-addon-examples/1_hello_world/napi$ valgrind node test.js +==28993== Memcheck, a memory error detector +==28993== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. +==28993== Using valgrind-3.13.0 and LibVEX; rerun with -h for copyright info +==28993== Command: node test.js +==28993== +==28993== Use of uninitialised value of size 8 +==28993== at 0x12F2279: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0x12F3E9C: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0x12F3C77: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0xC7C9CF: v8::internal::(anonymous namespace)::Invoke(v8::internal::Isolate*, v8::internal::(anonymous namespace)::InvokeParams const&) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0xC7CE87: v8::internal::Execution::Call(v8::internal::Isolate*, v8::internal::Handle, v8::internal::Handle, int, v8::internal::Handle*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== by 0xB4CF3A: v8::Function::Call(v8::Local, v8::Local, int, v8::Local*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==28993== +--28993-- WARNING: unhandled amd64-linux syscall: 332 +--28993-- You may be able to write your own handler. +--28993-- Read the file README_MISSING_SYSCALL_OR_IOCTL. +--28993-- Nevertheless we consider this a bug. Please report +--28993-- it at http://valgrind.org/support/bug_reports.html. +==28993== +==28993== HEAP SUMMARY: +==28993== in use at exit: 6,140 bytes in 23 blocks +==28993== total heap usage: 12,888 allocs, 12,865 frees, 13,033,244 bytes allocated +==28993== +==28993== LEAK SUMMARY: +==28993== definitely lost: 0 bytes in 0 blocks +==28993== indirectly lost: 0 bytes in 0 blocks +==28993== possibly lost: 304 bytes in 1 blocks +==28993== still reachable: 5,836 bytes in 22 blocks +==28993== suppressed: 0 bytes in 0 blocks +==28993== Rerun with --leak-check=full to see details of leaked memory +==28993== +==28993== For counts of detected and suppressed errors, rerun with: -v +==28993== Use --track-origins=yes to see where uninitialised values come +``` + +This reports that Node.js is not _completely_ clean as there is some memory +that was allocated but not freed when the process shut down. It is often +impractical/not worth being completely clean in this respect. Modern +operating systems will clean up the memory of the process after the +shutdown while attempting to free all memory to get a clean +report may have a negative impact on the code complexity and +shutdown times. Node.js does a pretty good job only leaving on +the order of 6KB that are not freed on shutdown. + +## An obvious memory leak + +Leaks can be introduced in native addons and the following is a simple +example leak based on the "Hello world" addon from +[node-addon-examples](https://github.com/nodejs/node-addon-examples). + +In this example, a loop which allocates ~1MB of memory and never frees it +has been added: + +```C++ +void* malloc_holder = nullptr; +napi_value Method(napi_env env, napi_callback_info info) { + napi_status status; + napi_value world; + status = napi_create_string_utf8(env, "world", 5, &world); + assert(status == napi_ok); + + // NEW LEAK HERE + for (int i=0; i < 1024; i++) { + malloc_holder = malloc(1024); + } + + return world; +} +``` + +When trying to create a memory leak you need to ensure that +the compiler has not optimized out the code that creates +the leak. For example, by assigning the result of the allocation +to either a global variable or a variable that will be read +afterwards the compiler will not optimize it out along with +the malloc and Valgrind will properly report the memory leak. +If `malloc_holder` in the example above is made into a +local variable then the compiler may freely remove +it along with the allocations (since it is not used) +and Valgrind will not find any leaks since they +will no longer exist in the code being run. + +Running valgrind on this code shows the following: + +```console +user1@minikube1:~/valgrind/node-addon-examples/1_hello_world/napi$ valgrind node hello.js +==1504== Memcheck, a memory error detector +==1504== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. +==1504== Using V#algrind-3.13.0 and LibVEX; rerun with -h for copyright info +==1504== Command: node hello.js +==1504== +==1504== Use of uninitialised value of size 8 +==1504== at 0x12F2279: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0x12F3E9C: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0x12F3C77: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0xC7C9CF: v8::internal::(anonymous namespace)::Invoke(v8::internal::Isolate*, v8::internal::(anonymous namespace)::InvokeParams const&) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0xC7CE87: v8::internal::Execution::Call(v8::internal::Isolate*, v8::internal::Handle, v8::internal::Handle, int, v8::internal::Handle*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== by 0xB4CF3A: v8::Function::Call(v8::Local, v8::Local, int, v8::Local*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==1504== +--1504-- WARNING: unhandled amd64-linux syscall: 332 +--1504-- You may be able to write your own handler. +--1504-- Read the file README_MISSING_SYSCALL_OR_IOCTL. +--1504-- Nevertheless we consider this a bug. Please report +--1504-- it at http://valgrind.org/support/bug_reports.html. +world +==1504== +==1504== HEAP SUMMARY: +==1504== in use at exit: 1,008,003 bytes in 1,032 blocks +==1504== total heap usage: 17,603 allocs, 16,571 frees, 18,306,103 bytes allocated +==1504== +==1504== LEAK SUMMARY: +==1504== definitely lost: 996,064 bytes in 997 blocks +==1504== indirectly lost: 0 bytes in 0 blocks +==1504== possibly lost: 3,304 bytes in 4 blocks +==1504== still reachable: 8,635 bytes in 31 blocks +==1504== of which reachable via heuristic: +==1504== multipleinheritance: 48 bytes in 1 blocks +==1504== suppressed: 0 bytes in 0 blocks +==1504== Rerun with --leak-check=full to see details of leaked memory +==1504== +==1504== For counts of detected and suppressed errors, rerun with: -v +==1504== Use --track-origins=yes to see where uninitialised values come from +==1504== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0) +``` + +Valgrind is reporting a problem as it shows 996,604 bytes as +definitely lost and the question is how to find where that memory was +allocated. The next step is to rerun as suggested in the +output with `--leak-check=full`: + +``` bash +user1@minikube1:~/valgrind/node-addon-examples/1_hello_world/napi$ valgrind --leak-check=full node hello.js +==4174== Memcheck, a memory error detector +==4174== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. +==4174== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info +==4174== Command: node hello.js +==4174== +==4174== Use of uninitialised value of size 8 +==4174== at 0x12F2279: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F3E9C: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F3C77: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xC7C9CF: v8::internal::(anonymous namespace)::Invoke(v8::internal::Isolate*, v8::internal::(anonymous namespace)::InvokeParams const&) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xC7CE87: v8::internal::Execution::Call(v8::internal::Isolate*, v8::internal::Handle, v8::internal::Handle, int, v8::internal::Handle*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xB4CF3A: v8::Function::Call(v8::Local, v8::Local, int, v8::Local*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== +--4174-- WARNING: unhandled amd64-linux syscall: 332 +--4174-- You may be able to write your own handler. +--4174-- Read the file README_MISSING_SYSCALL_OR_IOCTL. +--4174-- Nevertheless we consider this a bug. Please report +--4174-- it at http://valgrind.org/support/bug_reports.html. +world +==4174== +==4174== HEAP SUMMARY: +==4174== in use at exit: 1,008,003 bytes in 1,032 blocks +==4174== total heap usage: 17,606 allocs, 16,574 frees, 18,305,977 bytes allocated +==4174== +==4174== 64 bytes in 1 blocks are definitely lost in loss record 17 of 35 +==4174== at 0x4C3017F: operator new(unsigned long) (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) +==4174== by 0x9AEAD5: napi_module_register (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x4010732: call_init (dl-init.c:72) +==4174== by 0x4010732: _dl_init (dl-init.c:119) +==4174== by 0x40151FE: dl_open_worker (dl-open.c:522) +==4174== by 0x5D052DE: _dl_catch_exception (dl-error-skeleton.c:196) +==4174== by 0x40147C9: _dl_open (dl-open.c:605) +==4174== by 0x4E3CF95: dlopen_doit (dlopen.c:66) +==4174== by 0x5D052DE: _dl_catch_exception (dl-error-skeleton.c:196) +==4174== by 0x5D0536E: _dl_catch_error (dl-error-skeleton.c:215) +==4174== by 0x4E3D734: _dlerror_run (dlerror.c:162) +==4174== by 0x4E3D050: dlopen@@GLIBC_2.2.5 (dlopen.c:87) +==4174== by 0x9B29A0: node::binding::DLOpen(v8::FunctionCallbackInfo const&)::{lambda(node::binding::DLib*)#1}::operator()(node::binding::DLib*) const (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== +==4174== 304 bytes in 1 blocks are possibly lost in loss record 27 of 35 +==4174== at 0x4C31B25: calloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) +==4174== by 0x40134A6: allocate_dtv (dl-tls.c:286) +==4174== by 0x40134A6: _dl_allocate_tls (dl-tls.c:530) +==4174== by 0x5987227: allocate_stack (allocatestack.c:627) +==4174== by 0x5987227: pthread_create@@GLIBC_2.2.5 (pthread_create.c:644) +==4174== by 0xAAF9DC: node::inspector::Agent::Start(std::string const&, node::DebugOptions const&, std::shared_ptr, bool) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x9A8BE7: node::Environment::InitializeInspector(std::unique_ptr >) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xA1C9A5: node::NodeMainInstance::CreateMainEnvironment(int*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xA1CB42: node::NodeMainInstance::Run() (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x9ACB67: node::Start(int, char**) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x5BBFB96: (below main) (libc-start.c:310) +==4174== +==4174== 2,000 bytes in 2 blocks are possibly lost in loss record 33 of 35 +==4174== at 0x4C2FB0F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) +==4174== by 0x9794979: Method(napi_env__*, napi_callback_info__*) (in /home/user1/valgrind/node-addon-examples/1_hello_world/napi/build/Release/hello.node) +==4174== by 0x98F764: v8impl::(anonymous namespace)::FunctionCallbackWrapper::Invoke(v8::FunctionCallbackInfo const&) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xBA6FC8: v8::internal::MaybeHandle v8::internal::(anonymous namespace)::HandleApiCallHelper(v8::internal::Isolate*, v8::internal::Handle, v8::internal::Handle, v8::internal::Handle, v8::internal::Handle, v8::internal::BuiltinArguments) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xBA8DB6: v8::internal::Builtin_HandleApiCall(int, unsigned long*, v8::internal::Isolate*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x1376358: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== +==4174== 997,000 bytes in 997 blocks are definitely lost in loss record 35 of 35 +==4174== at 0x4C2FB0F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) +==4174== by 0x9794979: Method(napi_env__*, napi_callback_info__*) (in /home/user1/valgrind/node-addon-examples/1_hello_world/napi/build/Release/hello.node) +==4174== by 0x98F764: v8impl::(anonymous namespace)::FunctionCallbackWrapper::Invoke(v8::FunctionCallbackInfo const&) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xBA6FC8: v8::internal::MaybeHandle v8::internal::(anonymous namespace)::HandleApiCallHelper(v8::internal::Isolate*, v8::internal::Handle, v8::internal::Handle, v8::internal::Handle, v8::internal::Handle, v8::internal::BuiltinArguments) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xBA8DB6: v8::internal::Builtin_HandleApiCall(int, unsigned long*, v8::internal::Isolate*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x1376358: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== +==4174== LEAK SUMMARY: +==4174== definitely lost: 997,064 bytes in 998 blocks +==4174== indirectly lost: 0 bytes in 0 blocks +==4174== possibly lost: 2,304 bytes in 3 blocks +==4174== still reachable: 8,635 bytes in 31 blocks +==4174== of which reachable via heuristic: +==4174== multipleinheritance: 48 bytes in 1 blocks +==4174== suppressed: 0 bytes in 0 blocks +==4174== Reachable blocks (those to which a pointer was found) are not shown. +==4174== To see them, rerun with: --leak-check=full --show-leak-kinds=all +==4174== +==4174== For counts of detected and suppressed errors, rerun with: -v +==4174== Use --track-origins=yes to see where uninitialised values come from +==4174== ERROR SUMMARY: 5 errors from 5 contexts (suppressed: 0 from 0) +``` + +This is the most interesting part of the report: + +```console +==4174== 997,000 bytes in 997 blocks are definitely lost in loss record 35 of 35 +==4174== at 0x4C2FB0F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) +==4174== by 0x9794979: Method(napi_env__*, napi_callback_info__*) (in /home/user1/valgrind/node-addon-examples/1_hello_world/napi/build/Release/hello.node) +==4174== by 0x98F764: v8impl::(anonymous namespace)::FunctionCallbackWrapper::Invoke(v8::FunctionCallbackInfo const&) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xBA6FC8: v8::internal::MaybeHandle v8::internal::(anonymous namespace)::HandleApiCallHelper(v8::internal::Isolate*, v8::internal::Handle, v8::internal::Handle, v8::internal::Handle, v8::internal::Handle, v8::internal::BuiltinArguments) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xBA8DB6: v8::internal::Builtin_HandleApiCall(int, unsigned long*, v8::internal::Isolate*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x1376358: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +``` + +From the stack trace we can tell that the leak came from a native addon: + +```console +==4174== by 0x9794979: Method(napi_env__*, napi_callback_info__*) (in /home/user1/valgrind/node-addon-examples/1_hello_world/napi/build/Release/hello.node) +``` + +What we can't tell is where in the native addon the memory is being +allocated. This is because by default the addon is compiled without +the debug symbols which valgrind needs to be able to provide more +information. + +## Enabling debug symbols to get more information + +Leaks may be either in addons or Node.js itself. The sections which +follow cover the steps needed to enable debug symbols to get more info. + +### Native addons + +To enable debug symbols for all of your addons that are compiled on +install use: + +```console +npm install --debug +``` + +Any options which are not consumed by npm are passed on to node-gyp and this +results in the addons being compiled with the debug option. + +If the native addon contains pre-built binaries you will need to force +a rebuild. + +```console +npm install --debug +npm rebuild +``` + +The next step is to run valgrind after the rebuild. This time the information +for the leaking location includes the name of the source file and the +line number: + +```console +==18481== 997,000 bytes in 997 blocks are definitely lost in loss record 35 of 35 +==18481== at 0x4C2FB0F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) +>>>>> ==18481== by 0x9794989: Method(napi_env__*, napi_callback_info__*) (hello.cc:13) <<<<< +==18481== by 0x98F764: v8impl::(anonymous namespace)::FunctionCallbackWrapper::Invoke(v8::FunctionCallbackInfo const&) (in /home/user1/val grind/node-v12.14.1-linux-x64/bin/node) +==18481== by 0xBA6FC8: v8::internal::MaybeHandle v8::internal::(anonymous namespace)::HandleApiCallHelper(v8::internal:: Isolate*, v8::internal::Handle, v8::internal::Handle, v8::internal::Handle, v8::internal::Handle, v8::internal::BuiltinArguments) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==18481== by 0xBA8DB6: v8::internal::Builtin_HandleApiCall(int, unsigned long*, v8::internal::Isolate*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==18481== by 0x1376358: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==18481== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==18481== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==18481== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==18481== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==18481== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==18481== by 0x12F68A3: ??? (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +``` + +This new output shows us exactly where the leak is occurring in the file `hello.cc`: + +```C++ + 6 void* malloc_holder = nullptr; + 7 napi_value Method(napi_env env, napi_callback_info info) { + 8 napi_status status; + 9 napi_value world; + 10 status = napi_create_string_utf8(env, "world", 5, &world); + 11 assert(status == napi_ok); + 12 for (int i=0; i< 1000; i++) { + 13 malloc_holder = malloc(1000); // <<<<<< This is where we are allocating the memory that is not freed + 14 } + 15 return world; + 16 } +``` + +### Node.js binary + +If the leak is not in an addon and is instead in the Node.js binary itself, +you may need to compile node yourself and turn on debug symbols. Looking at +this entry reported by valgrind, with a release binary we see: + +```console + ==4174== 304 bytes in 1 blocks are possibly lost in loss record 27 of 35 +==4174== at 0x4C31B25: calloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) +==4174== by 0x40134A6: allocate_dtv (dl-tls.c:286) +==4174== by 0x40134A6: _dl_allocate_tls (dl-tls.c:530) +==4174== by 0x5987227: allocate_stack (allocatestack.c:627) +==4174== by 0x5987227: pthread_create@@GLIBC_2.2.5 (pthread_create.c:644) +==4174== by 0xAAF9DC: node::inspector::Agent::Start(std::string const&, node::DebugOptions const&, std::shared_ptr, bool) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x9A8BE7: node::Environment::InitializeInspector(std::unique_ptr >) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xA1C9A5: node::NodeMainInstance::CreateMainEnvironment(int*) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0xA1CB42: node::NodeMainInstance::Run() (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x9ACB67: node::Start(int, char**) (in /home/user1/valgrind/node-v12.14.1-linux-x64/bin/node) +==4174== by 0x5BBFB96: (below main) (libc-start.c:310) +``` + +This gives us some information of where to look (`node::inspector::Agent::Start`) +but not where in that function. We get more information than you might expect +(or see by default with addons) because the Node.js binary exports many of +its symbols using `-rdynamic` so that they can be used by addons. If the stack +gives you enough information to track down where the leak is, that's great, +otherwise the next step is to compile a debug build of Node.js. + +To get additional information with valgrind: + +* Check out the Node.js source corresponding to the release that you + want to debug. For example: +```console +git clone https://github.com/nodejs/node.git +git checkout v12.14.1 +``` +* Compile with debug enabled (for additional info see +[building a debug build](https://github.com/nodejs/node/blob/v12.14.1/BUILDING.md#building-a-debug-build)). +For example, on *nix: +```console +./configure --debug +make -j4 +``` +* Make sure to run with your compiled debug version of Node.js. Having used + `./configure --debug`, two binaries will have been built when `make` was run. + You must use the one which is in `out/Debug`. + +Running valgrind using the debug build of Node.js shows: + +```console +==44112== 592 bytes in 1 blocks are possibly lost in loss record 26 of 27 +==44112== at 0x4C2BF79: calloc (vg_replace_malloc.c:762) +==44112== by 0x4012754: _dl_allocate_tls (in /usr/lib64/ld-2.17.so) +==44112== by 0x586287B: pthread_create@@GLIBC_2.2.5 (in /usr/lib64/libpthread-2.17.so) +==44112== by 0xFAB2D2: node::inspector::(anonymous namespace)::StartDebugSignalHandler() (inspector_agent.cc:140) +==44112== by 0xFACB10: node::inspector::Agent::Start(std::string const&, node::DebugOptions const&, std::shared_ptr, bool) (inspector_agent.cc:777) +==44112== by 0xE3A0BB: node::Environment::InitializeInspector(std::unique_ptr >) (node.cc:216) +==44112== by 0xEE8F3E: node::NodeMainInstance::CreateMainEnvironment(int*) (node_main_instance.cc:222) +==44112== by 0xEE8831: node::NodeMainInstance::Run() (node_main_instance.cc:108) +==44112== by 0xE3CDEC: node::Start(int, char**) (node.cc:996) +==44112== by 0x22D8BBF: main (node_main.cc:126) +``` + +Now we can see the specific file name and line in the Node.js code which +caused the allocation (inspector_agent.cc:140). From a998c16c5ed03b52660cf9a864fcb11dd1612bef Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Thu, 13 Feb 2020 20:40:50 +0100 Subject: [PATCH 206/224] src: prefer 3-argument Array::New() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is nicer, because: 1. It reduces overall code size, 2. It’s faster, because `Object::Set()` calls are relatively slow, and 3. It helps avoid invalid `.Check()`/`.FromJust()` calls. PR-URL: https://github.com/nodejs/node/pull/31775 Reviewed-By: James M Snell Reviewed-By: Ben Noordhuis Reviewed-By: Colin Ihrig Reviewed-By: David Carlier --- src/cares_wrap.cc | 30 +++++++++--------- src/js_stream.cc | 9 +++--- src/module_wrap.cc | 18 ++++++----- src/node_crypto.cc | 78 ++++++++++++++++++++-------------------------- src/node_file.cc | 27 ++++++---------- src/node_v8.cc | 16 +++++----- src/spawn_sync.cc | 10 +++--- 7 files changed, 85 insertions(+), 103 deletions(-) diff --git a/src/cares_wrap.cc b/src/cares_wrap.cc index ab9e1a8798be19..98ae98270b450d 100644 --- a/src/cares_wrap.cc +++ b/src/cares_wrap.cc @@ -751,16 +751,12 @@ Local AddrTTLToArray(Environment* env, const T* addrttls, size_t naddrttls) { auto isolate = env->isolate(); - EscapableHandleScope escapable_handle_scope(isolate); - auto context = env->context(); - Local ttls = Array::New(isolate, naddrttls); - for (size_t i = 0; i < naddrttls; i++) { - auto value = Integer::NewFromUnsigned(isolate, addrttls[i].ttl); - ttls->Set(context, i, value).Check(); - } + MaybeStackBuffer, 8> ttls(naddrttls); + for (size_t i = 0; i < naddrttls; i++) + ttls[i] = Integer::NewFromUnsigned(isolate, addrttls[i].ttl); - return escapable_handle_scope.Escape(ttls); + return Array::New(isolate, ttls.out(), naddrttls); } @@ -2041,6 +2037,7 @@ void GetServers(const FunctionCallbackInfo& args) { int r = ares_get_servers_ports(channel->cares_channel(), &servers); CHECK_EQ(r, ARES_SUCCESS); + auto cleanup = OnScopeLeave([&]() { ares_free_data(servers); }); ares_addr_port_node* cur = servers; @@ -2051,17 +2048,18 @@ void GetServers(const FunctionCallbackInfo& args) { int err = uv_inet_ntop(cur->family, caddr, ip, sizeof(ip)); CHECK_EQ(err, 0); - Local ret = Array::New(env->isolate(), 2); - ret->Set(env->context(), 0, OneByteString(env->isolate(), ip)).Check(); - ret->Set(env->context(), - 1, - Integer::New(env->isolate(), cur->udp_port)).Check(); + Local ret[] = { + OneByteString(env->isolate(), ip), + Integer::New(env->isolate(), cur->udp_port) + }; - server_array->Set(env->context(), i, ret).Check(); + if (server_array->Set(env->context(), i, + Array::New(env->isolate(), ret, arraysize(ret))) + .IsNothing()) { + return; + } } - ares_free_data(servers); - args.GetReturnValue().Set(server_array); } diff --git a/src/js_stream.cc b/src/js_stream.cc index a67fd37dbdb2b6..64941b1c4e4fb7 100644 --- a/src/js_stream.cc +++ b/src/js_stream.cc @@ -116,16 +116,15 @@ int JSStream::DoWrite(WriteWrap* w, HandleScope scope(env()->isolate()); Context::Scope context_scope(env()->context()); - Local bufs_arr = Array::New(env()->isolate(), count); - Local buf; + MaybeStackBuffer, 16> bufs_arr(count); for (size_t i = 0; i < count; i++) { - buf = Buffer::Copy(env(), bufs[i].base, bufs[i].len).ToLocalChecked(); - bufs_arr->Set(env()->context(), i, buf).Check(); + bufs_arr[i] = + Buffer::Copy(env(), bufs[i].base, bufs[i].len).ToLocalChecked(); } Local argv[] = { w->object(), - bufs_arr + Array::New(env()->isolate(), bufs_arr.out(), count) }; TryCatchScope try_catch(env()); diff --git a/src/module_wrap.cc b/src/module_wrap.cc index b3ff343508be3b..736c47ec7a667d 100644 --- a/src/module_wrap.cc +++ b/src/module_wrap.cc @@ -236,11 +236,11 @@ void ModuleWrap::Link(const FunctionCallbackInfo& args) { Local mod_context = obj->context_.Get(isolate); Local module = obj->module_.Get(isolate); - Local promises = Array::New(isolate, - module->GetModuleRequestsLength()); + const int module_requests_length = module->GetModuleRequestsLength(); + MaybeStackBuffer, 16> promises(module_requests_length); // call the dependency resolve callbacks - for (int i = 0; i < module->GetModuleRequestsLength(); i++) { + for (int i = 0; i < module_requests_length; i++) { Local specifier = module->GetModuleRequest(i); Utf8Value specifier_utf8(env->isolate(), specifier); std::string specifier_std(*specifier_utf8, specifier_utf8.length()); @@ -262,10 +262,11 @@ void ModuleWrap::Link(const FunctionCallbackInfo& args) { Local resolve_promise = resolve_return_value.As(); obj->resolve_cache_[specifier_std].Reset(env->isolate(), resolve_promise); - promises->Set(mod_context, i, resolve_promise).Check(); + promises[i] = resolve_promise; } - args.GetReturnValue().Set(promises); + args.GetReturnValue().Set( + Array::New(isolate, promises.out(), promises.length())); } void ModuleWrap::Instantiate(const FunctionCallbackInfo& args) { @@ -398,12 +399,13 @@ void ModuleWrap::GetStaticDependencySpecifiers( int count = module->GetModuleRequestsLength(); - Local specifiers = Array::New(env->isolate(), count); + MaybeStackBuffer, 16> specifiers(count); for (int i = 0; i < count; i++) - specifiers->Set(env->context(), i, module->GetModuleRequest(i)).Check(); + specifiers[i] = module->GetModuleRequest(i); - args.GetReturnValue().Set(specifiers); + args.GetReturnValue().Set( + Array::New(env->isolate(), specifiers.out(), count)); } void ModuleWrap::GetError(const FunctionCallbackInfo& args) { diff --git a/src/node_crypto.cc b/src/node_crypto.cc index 8c9d93ca435598..43afdaad7fab1d 100644 --- a/src/node_crypto.cc +++ b/src/node_crypto.cc @@ -1011,19 +1011,19 @@ static X509_STORE* NewRootCertStore() { void GetRootCertificates(const FunctionCallbackInfo& args) { Environment* env = Environment::GetCurrent(args); - Local result = Array::New(env->isolate(), arraysize(root_certs)); + Local result[arraysize(root_certs)]; for (size_t i = 0; i < arraysize(root_certs); i++) { - Local value; - if (!String::NewFromOneByte(env->isolate(), - reinterpret_cast(root_certs[i]), - NewStringType::kNormal).ToLocal(&value) || - !result->Set(env->context(), i, value).FromMaybe(false)) { + if (!String::NewFromOneByte( + env->isolate(), + reinterpret_cast(root_certs[i]), + NewStringType::kNormal).ToLocal(&result[i])) { return; } } - args.GetReturnValue().Set(result); + args.GetReturnValue().Set( + Array::New(env->isolate(), result, arraysize(root_certs))); } @@ -2138,22 +2138,22 @@ static Local X509ToObject(Environment* env, X509* cert) { StackOfASN1 eku(static_cast( X509_get_ext_d2i(cert, NID_ext_key_usage, nullptr, nullptr))); if (eku) { - Local ext_key_usage = Array::New(env->isolate()); + const int count = sk_ASN1_OBJECT_num(eku.get()); + MaybeStackBuffer, 16> ext_key_usage(count); char buf[256]; int j = 0; - for (int i = 0; i < sk_ASN1_OBJECT_num(eku.get()); i++) { + for (int i = 0; i < count; i++) { if (OBJ_obj2txt(buf, sizeof(buf), sk_ASN1_OBJECT_value(eku.get(), i), 1) >= 0) { - ext_key_usage->Set(context, - j++, - OneByteString(env->isolate(), buf)).Check(); + ext_key_usage[j++] = OneByteString(env->isolate(), buf); } } eku.reset(); - info->Set(context, env->ext_key_usage_string(), ext_key_usage).Check(); + info->Set(context, env->ext_key_usage_string(), + Array::New(env->isolate(), ext_key_usage.out(), count)).Check(); } if (ASN1_INTEGER* serial_number = X509_get_serialNumber(cert)) { @@ -6729,15 +6729,8 @@ void GenerateKeyPair(const FunctionCallbackInfo& args, Local err, pubkey, privkey; job->ToResult(&err, &pubkey, &privkey); - bool (*IsNotTrue)(Maybe) = [](Maybe maybe) { - return maybe.IsNothing() || !maybe.ToChecked(); - }; - Local ret = Array::New(env->isolate(), 3); - if (IsNotTrue(ret->Set(env->context(), 0, err)) || - IsNotTrue(ret->Set(env->context(), 1, pubkey)) || - IsNotTrue(ret->Set(env->context(), 2, privkey))) - return; - args.GetReturnValue().Set(ret); + Local ret[] = { err, pubkey, privkey }; + args.GetReturnValue().Set(Array::New(env->isolate(), ret, arraysize(ret))); } void GenerateKeyPairRSA(const FunctionCallbackInfo& args) { @@ -6837,17 +6830,6 @@ void GetSSLCiphers(const FunctionCallbackInfo& args) { CHECK(ssl); STACK_OF(SSL_CIPHER)* ciphers = SSL_get_ciphers(ssl.get()); - int n = sk_SSL_CIPHER_num(ciphers); - Local arr = Array::New(env->isolate(), n); - - for (int i = 0; i < n; ++i) { - const SSL_CIPHER* cipher = sk_SSL_CIPHER_value(ciphers, i); - arr->Set(env->context(), - i, - OneByteString(args.GetIsolate(), - SSL_CIPHER_get_name(cipher))).Check(); - } - // TLSv1.3 ciphers aren't listed by EVP. There are only 5, we could just // document them, but since there are only 5, easier to just add them manually // and not have to explain their absence in the API docs. They are lower-cased @@ -6860,13 +6842,20 @@ void GetSSLCiphers(const FunctionCallbackInfo& args) { "tls_aes_128_ccm_sha256" }; + const int n = sk_SSL_CIPHER_num(ciphers); + std::vector> arr(n + arraysize(TLS13_CIPHERS)); + + for (int i = 0; i < n; ++i) { + const SSL_CIPHER* cipher = sk_SSL_CIPHER_value(ciphers, i); + arr[i] = OneByteString(env->isolate(), SSL_CIPHER_get_name(cipher)); + } + for (unsigned i = 0; i < arraysize(TLS13_CIPHERS); ++i) { const char* name = TLS13_CIPHERS[i]; - arr->Set(env->context(), - arr->Length(), OneByteString(args.GetIsolate(), name)).Check(); + arr[n + i] = OneByteString(env->isolate(), name); } - args.GetReturnValue().Set(arr); + args.GetReturnValue().Set(Array::New(env->isolate(), arr.data(), arr.size())); } @@ -6917,22 +6906,23 @@ void GetHashes(const FunctionCallbackInfo& args) { void GetCurves(const FunctionCallbackInfo& args) { Environment* env = Environment::GetCurrent(args); const size_t num_curves = EC_get_builtin_curves(nullptr, 0); - Local arr = Array::New(env->isolate(), num_curves); if (num_curves) { std::vector curves(num_curves); if (EC_get_builtin_curves(curves.data(), num_curves)) { - for (size_t i = 0; i < num_curves; i++) { - arr->Set(env->context(), - i, - OneByteString(env->isolate(), - OBJ_nid2sn(curves[i].nid))).Check(); - } + std::vector> arr(num_curves); + + for (size_t i = 0; i < num_curves; i++) + arr[i] = OneByteString(env->isolate(), OBJ_nid2sn(curves[i].nid)); + + args.GetReturnValue().Set( + Array::New(env->isolate(), arr.data(), arr.size())); + return; } } - args.GetReturnValue().Set(arr); + args.GetReturnValue().Set(Array::New(env->isolate())); } diff --git a/src/node_file.cc b/src/node_file.cc index 8fb59c8b6aaf71..71cb13c4f15048 100644 --- a/src/node_file.cc +++ b/src/node_file.cc @@ -700,16 +700,11 @@ void AfterScanDirWithTypes(uv_fs_t* req) { type_v.emplace_back(Integer::New(isolate, ent.type)); } - Local result = Array::New(isolate, 2); - result->Set(env->context(), - 0, - Array::New(isolate, name_v.data(), - name_v.size())).Check(); - result->Set(env->context(), - 1, - Array::New(isolate, type_v.data(), - type_v.size())).Check(); - req_wrap->Resolve(result); + Local result[] = { + Array::New(isolate, name_v.data(), name_v.size()), + Array::New(isolate, type_v.data(), type_v.size()) + }; + req_wrap->Resolve(Array::New(isolate, result, arraysize(result))); } void Access(const FunctionCallbackInfo& args) { @@ -1519,13 +1514,11 @@ static void ReadDir(const FunctionCallbackInfo& args) { Local names = Array::New(isolate, name_v.data(), name_v.size()); if (with_types) { - Local result = Array::New(isolate, 2); - result->Set(env->context(), 0, names).Check(); - result->Set(env->context(), - 1, - Array::New(isolate, type_v.data(), - type_v.size())).Check(); - args.GetReturnValue().Set(result); + Local result[] = { + names, + Array::New(isolate, type_v.data(), type_v.size()) + }; + args.GetReturnValue().Set(Array::New(isolate, result, arraysize(result))); } else { args.GetReturnValue().Set(names); } diff --git a/src/node_v8.cc b/src/node_v8.cc index 9644468c4f6315..bfc4580fd02a68 100644 --- a/src/node_v8.cc +++ b/src/node_v8.cc @@ -218,19 +218,19 @@ void Initialize(Local target, // Heap space names are extracted once and exposed to JavaScript to // avoid excessive creation of heap space name Strings. HeapSpaceStatistics s; - const Local heap_spaces = Array::New(env->isolate(), - number_of_heap_spaces); + MaybeStackBuffer, 16> heap_spaces(number_of_heap_spaces); for (size_t i = 0; i < number_of_heap_spaces; i++) { env->isolate()->GetHeapSpaceStatistics(&s, i); - Local heap_space_name = String::NewFromUtf8(env->isolate(), - s.space_name(), - NewStringType::kNormal) - .ToLocalChecked(); - heap_spaces->Set(env->context(), i, heap_space_name).Check(); + heap_spaces[i] = String::NewFromUtf8(env->isolate(), + s.space_name(), + NewStringType::kNormal) + .ToLocalChecked(); } target->Set(env->context(), FIXED_ONE_BYTE_STRING(env->isolate(), "kHeapSpaces"), - heap_spaces).Check(); + Array::New(env->isolate(), + heap_spaces.out(), + number_of_heap_spaces)).Check(); env->SetMethod(target, "updateHeapSpaceStatisticsArrayBuffer", diff --git a/src/spawn_sync.cc b/src/spawn_sync.cc index 3b277ad70adb66..589b77f6c1eb95 100644 --- a/src/spawn_sync.cc +++ b/src/spawn_sync.cc @@ -721,18 +721,18 @@ Local SyncProcessRunner::BuildOutputArray() { CHECK(!stdio_pipes_.empty()); EscapableHandleScope scope(env()->isolate()); - Local context = env()->context(); - Local js_output = Array::New(env()->isolate(), stdio_count_); + MaybeStackBuffer, 8> js_output(stdio_pipes_.size()); for (uint32_t i = 0; i < stdio_pipes_.size(); i++) { SyncProcessStdioPipe* h = stdio_pipes_[i].get(); if (h != nullptr && h->writable()) - js_output->Set(context, i, h->GetOutputAsBuffer(env())).Check(); + js_output[i] = h->GetOutputAsBuffer(env()); else - js_output->Set(context, i, Null(env()->isolate())).Check(); + js_output[i] = Null(env()->isolate()); } - return scope.Escape(js_output); + return scope.Escape( + Array::New(env()->isolate(), js_output.out(), js_output.length())); } Maybe SyncProcessRunner::ParseOptions(Local js_value) { From ad55e633971bcb3f1cdc15dd07e860e69681367a Mon Sep 17 00:00:00 2001 From: Anna Henningsen Date: Thu, 13 Feb 2020 21:32:43 +0100 Subject: [PATCH 207/224] worker: unroll file extension regexp Refs: https://github.com/nodejs/node/pull/31662#discussion_r377016190 PR-URL: https://github.com/nodejs/node/pull/31779 Reviewed-By: Richard Lau Reviewed-By: Benjamin Gruenbaum Reviewed-By: Denys Otrishko Reviewed-By: Gus Caplan Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Yongsheng Zhang Reviewed-By: Ruben Bridgewater --- lib/internal/worker.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/internal/worker.js b/lib/internal/worker.js index acf325eff61197..1c02f3a8f5b9e6 100644 --- a/lib/internal/worker.js +++ b/lib/internal/worker.js @@ -103,7 +103,7 @@ class Worker extends EventEmitter { filename = path.resolve(filename); const ext = path.extname(filename); - if (!/^\.[cm]?js$/.test(ext)) { + if (ext !== '.js' && ext !== '.mjs' && ext !== '.cjs') { throw new ERR_WORKER_UNSUPPORTED_EXTENSION(ext); } } From 7e872ade8a2c3e7ce954e8edd9ae0b89ccc6c758 Mon Sep 17 00:00:00 2001 From: Jeff Date: Fri, 14 Feb 2020 22:36:11 +0800 Subject: [PATCH 208/224] doc: fix typos in doc/api/https.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/31793 Reviewed-By: Michaël Zasso Reviewed-By: James M Snell Reviewed-By: Yongsheng Zhang Reviewed-By: Luigi Pinca Reviewed-By: Colin Ihrig Reviewed-By: Richard Lau --- doc/api/https.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/api/https.md b/doc/api/https.md index 79e6e86583868c..08f48eaa392460 100644 --- a/doc/api/https.md +++ b/doc/api/https.md @@ -372,7 +372,7 @@ const options = { return new Error(msg); } - // Pin the exact certificate, rather then the pub key + // Pin the exact certificate, rather than the pub key const cert256 = '25:FE:39:32:D9:63:8C:8A:FC:A1:9A:29:87:' + 'D8:3E:4C:1D:98:DB:71:E4:1A:48:03:98:EA:22:6A:BD:8B:93:16'; if (cert.fingerprint256 !== cert256) { From 250da32984e98efc6fadf5d58bc52e7b6413726b Mon Sep 17 00:00:00 2001 From: Jeremiah Senkpiel Date: Mon, 10 Feb 2020 10:46:02 -0800 Subject: [PATCH 209/224] doc: move @Fishrock123 to a previous releaser MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit I have not done a release in well over a year, maybe even two. I also don't really plan to do more, as Node.js releases are very tedious. PR-URL: https://github.com/nodejs/node/pull/31725 Reviewed-By: Matteo Collina Reviewed-By: Daniel Bevenius Reviewed-By: James M Snell Reviewed-By: Myles Borins Reviewed-By: Anna Henningsen Reviewed-By: Anto Aravinth Reviewed-By: Colin Ihrig Reviewed-By: Tobias Nießen Reviewed-By: Gus Caplan Reviewed-By: Gireesh Punathil Reviewed-By: Michael Dawson --- README.md | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/README.md b/README.md index 07d6ad4e7ed039..7f82c490ccb674 100644 --- a/README.md +++ b/README.md @@ -546,8 +546,6 @@ GPG keys used to sign Node.js releases: `77984A986EBC2AA786BC0F66B01FBB92821C587A` * **James M Snell** <jasnell@keybase.io> `71DCFD284A79C3B38668286BC97EC7A07EDE3FC1` -* **Jeremiah Senkpiel** <fishrock@keybase.io> -`FD3A5288F042B6850C66B31F09FE44734EB7990E` * **Michaël Zasso** <targos@protonmail.com> `8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600` * **Myles Borins** <myles.borins@gmail.com> @@ -568,7 +566,6 @@ gpg --keyserver pool.sks-keyservers.net --recv-keys 94AE36675C464D64BAFA68DD7434 gpg --keyserver pool.sks-keyservers.net --recv-keys B9AE9905FFD7803F25714661B63B535A4C206CA9 gpg --keyserver pool.sks-keyservers.net --recv-keys 77984A986EBC2AA786BC0F66B01FBB92821C587A gpg --keyserver pool.sks-keyservers.net --recv-keys 71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 -gpg --keyserver pool.sks-keyservers.net --recv-keys FD3A5288F042B6850C66B31F09FE44734EB7990E gpg --keyserver pool.sks-keyservers.net --recv-keys 8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 gpg --keyserver pool.sks-keyservers.net --recv-keys C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 gpg --keyserver pool.sks-keyservers.net --recv-keys DD8F2338BAE7501E3DD5AC78C273792F7D83545D @@ -580,6 +577,8 @@ use these keys to verify a downloaded file. Other keys used to sign some previous releases: +* **Jeremiah Senkpiel** <fishrock@keybase.io> +`FD3A5288F042B6850C66B31F09FE44734EB7990E` * **Chris Dickinson** <christopher.s.dickinson@gmail.com> `9554F04D7259F04124DE6B476D5A82AC7E37093B` * **Isaac Z. Schlueter** <i@izs.me> From a0691727087086449591c9d8d705811a88730058 Mon Sep 17 00:00:00 2001 From: Jeremiah Senkpiel Date: Mon, 10 Feb 2020 10:56:58 -0800 Subject: [PATCH 210/224] doc: move @Fishrock123 to TSC Emeriti MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit It was a good run. Almost 5 years. I haven't really been involved in the last 3+? months though, so it's time I call it and 'retire'. I think it is unlikely that I'll be on the TSC again, as node is unfortunately becoming increasingly disinteresting (& frustrating) to me. (So long and thanks for all the fish!) PR-URL: https://github.com/nodejs/node/pull/31725 Reviewed-By: Matteo Collina Reviewed-By: Daniel Bevenius Reviewed-By: James M Snell Reviewed-By: Myles Borins Reviewed-By: Anna Henningsen Reviewed-By: Anto Aravinth Reviewed-By: Colin Ihrig Reviewed-By: Tobias Nießen Reviewed-By: Gus Caplan Reviewed-By: Gireesh Punathil Reviewed-By: Michael Dawson --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 7f82c490ccb674..9f876bec200802 100644 --- a/README.md +++ b/README.md @@ -165,8 +165,6 @@ For information about the governance of the Node.js project, see **Daniel Bevenius** <daniel.bevenius@gmail.com> (he/him) * [fhinkel](https://github.com/fhinkel) - **Franziska Hinkelmann** <franziska.hinkelmann@gmail.com> (she/her) -* [Fishrock123](https://github.com/Fishrock123) - -**Jeremiah Senkpiel** <fishrock123@rocketmail.com> * [gabrielschulhof](https://github.com/gabrielschulhof) - **Gabriel Schulhof** <gabriel.schulhof@intel.com> * [gireeshpunathil](https://github.com/gireeshpunathil) - @@ -200,6 +198,8 @@ For information about the governance of the Node.js project, see **Chris Dickinson** <christopher.s.dickinson@gmail.com> * [evanlucas](https://github.com/evanlucas) - **Evan Lucas** <evanlucas@me.com> (he/him) +* [Fishrock123](https://github.com/Fishrock123) - +**Jeremiah Senkpiel** <fishrock123@rocketmail.com> * [gibfahn](https://github.com/gibfahn) - **Gibson Fahnestock** <gibfahn@gmail.com> (he/him) * [indutny](https://github.com/indutny) - From 17f962a4b69b22869072fae2af2e4018c79a4314 Mon Sep 17 00:00:00 2001 From: Jeremiah Senkpiel Date: Mon, 10 Feb 2020 10:59:27 -0800 Subject: [PATCH 211/224] doc: pronouns for @Fishrock123 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit might as well while I'm at it feels a bit weird being the first person on this list with '/they' but I guess someone's gota do it PR-URL: https://github.com/nodejs/node/pull/31725 Reviewed-By: Matteo Collina Reviewed-By: Daniel Bevenius Reviewed-By: James M Snell Reviewed-By: Myles Borins Reviewed-By: Anna Henningsen Reviewed-By: Anto Aravinth Reviewed-By: Colin Ihrig Reviewed-By: Tobias Nießen Reviewed-By: Gus Caplan Reviewed-By: Gireesh Punathil Reviewed-By: Michael Dawson --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 9f876bec200802..c71cbba4090975 100644 --- a/README.md +++ b/README.md @@ -199,7 +199,7 @@ For information about the governance of the Node.js project, see * [evanlucas](https://github.com/evanlucas) - **Evan Lucas** <evanlucas@me.com> (he/him) * [Fishrock123](https://github.com/Fishrock123) - -**Jeremiah Senkpiel** <fishrock123@rocketmail.com> +**Jeremiah Senkpiel** <fishrock123@rocketmail.com> (he/they) * [gibfahn](https://github.com/gibfahn) - **Gibson Fahnestock** <gibfahn@gmail.com> (he/him) * [indutny](https://github.com/indutny) - @@ -292,7 +292,7 @@ For information about the governance of the Node.js project, see * [fhinkel](https://github.com/fhinkel) - **Franziska Hinkelmann** <franziska.hinkelmann@gmail.com> (she/her) * [Fishrock123](https://github.com/Fishrock123) - -**Jeremiah Senkpiel** <fishrock123@rocketmail.com> +**Jeremiah Senkpiel** <fishrock123@rocketmail.com> (he/they) * [gabrielschulhof](https://github.com/gabrielschulhof) - **Gabriel Schulhof** <gabriel.schulhof@intel.com> * [gdams](https://github.com/gdams) - From 5277cd0a973f730abf491893f8707dce34abc7f8 Mon Sep 17 00:00:00 2001 From: Gireesh Punathil Date: Thu, 13 Feb 2020 21:58:27 +0530 Subject: [PATCH 212/224] doc: move gireeshpunathil to TSC emeritus MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR-URL: https://github.com/nodejs/node/pull/31770 Reviewed-By: James M Snell Reviewed-By: Myles Borins Reviewed-By: Luigi Pinca Reviewed-By: Colin Ihrig Reviewed-By: Tobias Nießen Reviewed-By: Richard Lau Reviewed-By: Michael Dawson --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index c71cbba4090975..a06c51f22a4cd1 100644 --- a/README.md +++ b/README.md @@ -167,8 +167,6 @@ For information about the governance of the Node.js project, see **Franziska Hinkelmann** <franziska.hinkelmann@gmail.com> (she/her) * [gabrielschulhof](https://github.com/gabrielschulhof) - **Gabriel Schulhof** <gabriel.schulhof@intel.com> -* [gireeshpunathil](https://github.com/gireeshpunathil) - -**Gireesh Punathil** <gpunathi@in.ibm.com> (he/him) * [jasnell](https://github.com/jasnell) - **James M Snell** <jasnell@gmail.com> (he/him) * [joyeecheung](https://github.com/joyeecheung) - @@ -202,6 +200,8 @@ For information about the governance of the Node.js project, see **Jeremiah Senkpiel** <fishrock123@rocketmail.com> (he/they) * [gibfahn](https://github.com/gibfahn) - **Gibson Fahnestock** <gibfahn@gmail.com> (he/him) +* [gireeshpunathil](https://github.com/gireeshpunathil) - +**Gireesh Punathil** <gpunathi@in.ibm.com> (he/him) * [indutny](https://github.com/indutny) - **Fedor Indutny** <fedor.indutny@gmail.com> * [isaacs](https://github.com/isaacs) - From f99d4c824ae5bebe9ebff27cb88993b33a65d5f9 Mon Sep 17 00:00:00 2001 From: James M Snell Date: Wed, 12 Feb 2020 12:21:34 -0800 Subject: [PATCH 213/224] test: add known issue test for sync writable callback If the write callbacks are invoked synchronously with an error, onwriteError would cause the error event to be emitted synchronously, making it impossible to attach an error handler after the call that triggered it. PR-URL: https://github.com/nodejs/node/pull/31756 Refs: https://github.com/nodejs/quic/commit/b0d469c69c49c9186c1a581a7cebce4c5d398947 Refs: https://github.com/nodejs/quic/pull/341 Reviewed-By: Robert Nagy Reviewed-By: Matteo Collina Reviewed-By: Anna Henningsen Reviewed-By: Minwoo Jung --- .../test-stream-writable-sync-error.js | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 test/known_issues/test-stream-writable-sync-error.js diff --git a/test/known_issues/test-stream-writable-sync-error.js b/test/known_issues/test-stream-writable-sync-error.js new file mode 100644 index 00000000000000..202cf7bf23e2fd --- /dev/null +++ b/test/known_issues/test-stream-writable-sync-error.js @@ -0,0 +1,44 @@ +'use strict'; +const common = require('../common'); + +// Tests for the regression in _stream_writable discussed in +// https://github.com/nodejs/node/pull/31756 + +// Specifically, when a write callback is invoked synchronously +// with an error, and autoDestroy is not being used, the error +// should still be emitted on nextTick. + +const { Writable } = require('stream'); + +class MyStream extends Writable { + #cb = undefined; + + constructor() { + super({ autoDestroy: false }); + } + + _write(_, __, cb) { + this.#cb = cb; + } + + close() { + // Synchronously invoke the callback with an error. + this.#cb(new Error('foo')); + } +} + +const stream = new MyStream(); + +const mustError = common.mustCall(2); + +stream.write('test', () => {}); + +// Both error callbacks should be invoked. + +stream.on('error', mustError); + +stream.close(); + +// Without the fix in #31756, the error handler +// added after the call to close will not be invoked. +stream.on('error', mustError); From 6bc4fb524f50538288fd5a15e5fcdc7dc052ad63 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 14:57:12 -1000 Subject: [PATCH 214/224] doc: reword possessive form of Node.js in debugger.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Throughout the docs, we sometimes write the possessive of _Node.js_ as _Node.js'_ and other times as _Node.js's_. The former conforms with some generally accepted style guides (e.g., Associated Press Stylebook) while the latter complies with others (e.g., Chicago Manual of Style). Since there is no clear authoritative answer as to which form is correct, and since (at least to me) both are visually jarring and sometimes cause a pause to understand, I'd like to reword things to eliminate the possessive form where possible. This is one of those examples. PR-URL: https://github.com/nodejs/node/pull/31748 Reviewed-By: Benjamin Gruenbaum Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: Richard Lau Reviewed-By: Michael Dawson --- doc/api/debugger.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/api/debugger.md b/doc/api/debugger.md index e43cfa8a163cf2..2821cd605c568e 100644 --- a/doc/api/debugger.md +++ b/doc/api/debugger.md @@ -23,7 +23,7 @@ Break on start in myscript.js:1 debug> ``` -Node.js's debugger client is not a full-featured debugger, but simple step and +The Node.js debugger client is not a full-featured debugger, but simple step and inspection are possible. Inserting the statement `debugger;` into the source code of a script will From aaab150a3c6b4118157ec9b1beda8c2eaa95e8df Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 14:59:59 -1000 Subject: [PATCH 215/224] doc: reword possessive form of Node.js in process.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Throughout the docs, we sometimes write the possessive of _Node.js_ as _Node.js'_ and other times as _Node.js's_. The former conforms with some generally accepted style guides (e.g., Associated Press Stylebook) while the latter complies with others (e.g., Chicago Manual of Style). Since there is no clear authoritative answer as to which form is correct, and since (at least to me) both are visually jarring and sometimes cause a pause to understand, I'd like to reword things to eliminate the possessive form where possible. This is one of those examples. PR-URL: https://github.com/nodejs/node/pull/31748 Reviewed-By: Benjamin Gruenbaum Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: Richard Lau Reviewed-By: Michael Dawson --- doc/api/process.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/doc/api/process.md b/doc/api/process.md index 00e671d14eedcd..e2bc5a0221548a 100644 --- a/doc/api/process.md +++ b/doc/api/process.md @@ -773,7 +773,7 @@ added: v0.7.2 * {number} -The port used by Node.js's debugger when enabled. +The port used by the Node.js debugger when enabled. ```js process.debugPort = 5858; @@ -2420,11 +2420,11 @@ cases: handler. * `2`: Unused (reserved by Bash for builtin misuse) * `3` **Internal JavaScript Parse Error**: The JavaScript source code - internal in Node.js's bootstrapping process caused a parse error. This + internal in the Node.js bootstrapping process caused a parse error. This is extremely rare, and generally can only happen during development of Node.js itself. * `4` **Internal JavaScript Evaluation Failure**: The JavaScript - source code internal in Node.js's bootstrapping process failed to + source code internal in the Node.js bootstrapping process failed to return a function value when evaluated. This is extremely rare, and generally can only happen during development of Node.js itself. * `5` **Fatal Error**: There was a fatal unrecoverable error in V8. @@ -2443,7 +2443,7 @@ cases: * `9` **Invalid Argument**: Either an unknown option was specified, or an option requiring a value was provided without a value. * `10` **Internal JavaScript Run-Time Failure**: The JavaScript - source code internal in Node.js's bootstrapping process threw an error + source code internal in the Node.js bootstrapping process threw an error when the bootstrapping function was called. This is extremely rare, and generally can only happen during development of Node.js itself. * `12` **Invalid Debug Argument**: The `--inspect` and/or `--inspect-brk` From fd20217c8e0666029cab873b37d962a4b3bcd133 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 15:03:31 -1000 Subject: [PATCH 216/224] doc: reword possessive form of Node.js in http.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Throughout the docs, we sometimes write the possessive of _Node.js_ as _Node.js'_ and other times as _Node.js's_. The former conforms with some generally accepted style guides (e.g., Associated Press Stylebook) while the latter complies with others (e.g., Chicago Manual of Style). Since there is no clear authoritative answer as to which form is correct, and since (at least to me) both are visually jarring and sometimes cause a pause to understand, I'd like to reword things to eliminate the possessive form where possible. This is one of those examples. PR-URL: https://github.com/nodejs/node/pull/31748 Reviewed-By: Benjamin Gruenbaum Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: Richard Lau Reviewed-By: Michael Dawson --- doc/api/http.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/api/http.md b/doc/api/http.md index e11ad6cbf520f7..6de82da455546f 100644 --- a/doc/api/http.md +++ b/doc/api/http.md @@ -25,7 +25,7 @@ HTTP message headers are represented by an object like this: Keys are lowercased. Values are not modified. -In order to support the full spectrum of possible HTTP applications, Node.js's +In order to support the full spectrum of possible HTTP applications, the Node.js HTTP API is very low-level. It deals with stream handling and message parsing only. It parses a message into headers and body but it does not parse the actual headers or the body. From e43a7f76f28a846ab4dd1638321a7c4f757fa379 Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 15:07:06 -1000 Subject: [PATCH 217/224] doc: reword possessive form of Node.js in adding-new-napi-api.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Throughout the docs, we sometimes write the possessive of _Node.js_ as _Node.js'_ and other times as _Node.js's_. The former conforms with some generally accepted style guides (e.g., Associated Press Stylebook) while the latter complies with others (e.g., Chicago Manual of Style). Since there is no clear authoritative answer as to which form is correct, and since (at least to me) both are visually jarring and sometimes cause a pause to understand, I'd like to reword things to eliminate the possessive form where possible. This is one of those examples. PR-URL: https://github.com/nodejs/node/pull/31748 Reviewed-By: Benjamin Gruenbaum Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: Richard Lau Reviewed-By: Michael Dawson --- doc/guides/adding-new-napi-api.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/guides/adding-new-napi-api.md b/doc/guides/adding-new-napi-api.md index dc8d9dda233f31..825b4877783f9b 100644 --- a/doc/guides/adding-new-napi-api.md +++ b/doc/guides/adding-new-napi-api.md @@ -1,6 +1,6 @@ # Contributing a new API to N-API -N-API is Node.js's next generation ABI-stable API for native modules. +N-API is the next-generation ABI-stable API for native modules. While improving the API surface is encouraged and welcomed, the following are a set of principles and guidelines to keep in mind while adding a new N-API API. From 850db8c9f1d0a6ac05d2c8046b9694b221c3d8ab Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 19:14:57 -0800 Subject: [PATCH 218/224] test: remove common.PORT from test-net-timeout MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Switch test-net-timeout from common.PORT to a port assigned by the operating system. PR-URL: https://github.com/nodejs/node/pull/31749 Reviewed-By: Denys Otrishko Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: James M Snell Reviewed-By: Anna Henningsen Reviewed-By: Ruben Bridgewater --- test/pummel/test-net-timeout.js | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/test/pummel/test-net-timeout.js b/test/pummel/test-net-timeout.js index 59a8d50f796d64..5b9f2a01b3823e 100644 --- a/test/pummel/test-net-timeout.js +++ b/test/pummel/test-net-timeout.js @@ -20,7 +20,7 @@ // USE OR OTHER DEALINGS IN THE SOFTWARE. 'use strict'; -const common = require('../common'); +require('../common'); const assert = require('assert'); const net = require('net'); @@ -54,10 +54,11 @@ const echo_server = net.createServer((socket) => { }); }); -echo_server.listen(common.PORT, () => { - console.log(`server listening at ${common.PORT}`); +echo_server.listen(0, () => { + const port = echo_server.address().port; + console.log(`server listening at ${port}`); - const client = net.createConnection(common.PORT); + const client = net.createConnection(port); client.setEncoding('UTF8'); client.setTimeout(0); // Disable the timeout for client client.on('connect', () => { From 538db82ef8abb1d92d535c29c030fb583c2ea6da Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 19:18:27 -0800 Subject: [PATCH 219/224] test: remove common.PORT from test-net-throttle MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Switch test-net-throttle from common.PORT to a port assigned by the operating system. PR-URL: https://github.com/nodejs/node/pull/31749 Reviewed-By: Denys Otrishko Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: James M Snell Reviewed-By: Anna Henningsen Reviewed-By: Ruben Bridgewater --- test/pummel/test-net-throttle.js | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/test/pummel/test-net-throttle.js b/test/pummel/test-net-throttle.js index 190c242d6e1636..9708d69f9621a3 100644 --- a/test/pummel/test-net-throttle.js +++ b/test/pummel/test-net-throttle.js @@ -20,7 +20,7 @@ // USE OR OTHER DEALINGS IN THE SOFTWARE. 'use strict'; -const common = require('../common'); +require('../common'); const assert = require('assert'); const net = require('net'); @@ -32,8 +32,6 @@ let npauses = 0; console.log('build big string'); const body = 'C'.repeat(N); -console.log(`start server on port ${common.PORT}`); - const server = net.createServer((connection) => { connection.write(body.slice(0, part_N)); connection.write(body.slice(part_N, 2 * part_N)); @@ -44,9 +42,11 @@ const server = net.createServer((connection) => { connection.end(); }); -server.listen(common.PORT, () => { +server.listen(0, () => { + const port = server.address().port; + console.log(`server started on port ${port}`); let paused = false; - const client = net.createConnection(common.PORT); + const client = net.createConnection(port); client.setEncoding('ascii'); client.on('data', (d) => { chars_recved += d.length; From 30ec180ef50ada0b0a14e64ea7cb6c11d5db091d Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 19:21:12 -0800 Subject: [PATCH 220/224] test: remove common.PORT from test-tls-server-large-request MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Switch test-tls-server-large-request from common.PORT to a port assigned by the operating system. PR-URL: https://github.com/nodejs/node/pull/31749 Reviewed-By: Denys Otrishko Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: James M Snell Reviewed-By: Anna Henningsen Reviewed-By: Ruben Bridgewater --- test/pummel/test-tls-server-large-request.js | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/test/pummel/test-tls-server-large-request.js b/test/pummel/test-tls-server-large-request.js index 5d3a0615bad6e2..7537ca813af41c 100644 --- a/test/pummel/test-tls-server-large-request.js +++ b/test/pummel/test-tls-server-large-request.js @@ -59,9 +59,9 @@ const server = tls.Server(options, common.mustCall(function(socket) { socket.pipe(mediator); })); -server.listen(common.PORT, common.mustCall(function() { +server.listen(0, common.mustCall(() => { const client1 = tls.connect({ - port: common.PORT, + port: server.address().port, rejectUnauthorized: false }, common.mustCall(function() { client1.end(request); From b702c149c6b488676e2250b90ae95a4b4857505e Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 19:23:51 -0800 Subject: [PATCH 221/224] test: remove common.PORT from test-net-pause MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Switch test-net-pause from common.PORT to a port assigned by the operating system. PR-URL: https://github.com/nodejs/node/pull/31749 Reviewed-By: Denys Otrishko Reviewed-By: Tobias Nießen Reviewed-By: Luigi Pinca Reviewed-By: James M Snell Reviewed-By: Anna Henningsen Reviewed-By: Ruben Bridgewater --- test/pummel/test-net-pause.js | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/test/pummel/test-net-pause.js b/test/pummel/test-net-pause.js index 512d833ae75717..76237c17214d23 100644 --- a/test/pummel/test-net-pause.js +++ b/test/pummel/test-net-pause.js @@ -20,7 +20,7 @@ // USE OR OTHER DEALINGS IN THE SOFTWARE. 'use strict'; -const common = require('../common'); +require('../common'); const assert = require('assert'); const net = require('net'); @@ -43,7 +43,7 @@ const server = net.createServer((connection) => { }); server.on('listening', () => { - const client = net.createConnection(common.PORT); + const client = net.createConnection(server.address().port); client.setEncoding('ascii'); client.on('data', (d) => { console.log(d); @@ -83,7 +83,7 @@ server.on('listening', () => { client.end(); }); }); -server.listen(common.PORT); +server.listen(0); process.on('exit', () => { assert.strictEqual(recv.length, N); From 6aca5f9264b780f7b5edbac5f8a83b9601171ec7 Mon Sep 17 00:00:00 2001 From: Robert Nagy Date: Tue, 13 Nov 2018 23:25:51 +0100 Subject: [PATCH 222/224] http2: make compat finished match http/1 finished should true directly after end(). PR-URL: https://github.com/nodejs/node/pull/24347 Refs: https://github.com/nodejs/node/issues/24743 Reviewed-By: Matteo Collina Reviewed-By: Ujjwal Sharma Reviewed-By: Anatoli Papirovski Reviewed-By: James M Snell --- lib/internal/http2/compat.js | 11 ++++------- test/parallel/test-http2-compat-serverresponse-end.js | 4 +++- 2 files changed, 7 insertions(+), 8 deletions(-) diff --git a/lib/internal/http2/compat.js b/lib/internal/http2/compat.js index 8ef5f49a3dbd77..479510152c9522 100644 --- a/lib/internal/http2/compat.js +++ b/lib/internal/http2/compat.js @@ -471,10 +471,8 @@ class Http2ServerResponse extends Stream { } get finished() { - const stream = this[kStream]; - return stream.destroyed || - stream._writableState.ended || - this[kState].closed; + const state = this[kState]; + return state.ending; } get socket() { @@ -700,12 +698,11 @@ class Http2ServerResponse extends Stream { if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); - const isFinished = this.finished; state.headRequest = stream.headRequest; state.ending = true; if (typeof cb === 'function') { - if (isFinished) + if (stream.writableEnded) this.once('finish', cb); else stream.once('finish', cb); @@ -714,7 +711,7 @@ class Http2ServerResponse extends Stream { if (!stream.headersSent) this.writeHead(this[kState].statusCode); - if (isFinished) + if (this[kState].closed || stream.destroyed) onStreamCloseResponse.call(stream); else stream.end(); diff --git a/test/parallel/test-http2-compat-serverresponse-end.js b/test/parallel/test-http2-compat-serverresponse-end.js index 5bbb24bb2edb31..8505d6c4969db1 100644 --- a/test/parallel/test-http2-compat-serverresponse-end.js +++ b/test/parallel/test-http2-compat-serverresponse-end.js @@ -149,11 +149,13 @@ const { // Http2ServerResponse.end is necessary on HEAD requests in compat // for http1 compatibility const server = createServer(mustCall((request, response) => { - strictEqual(response.finished, true); strictEqual(response.writableEnded, false); + strictEqual(response.finished, false); response.writeHead(HTTP_STATUS_OK, { foo: 'bar' }); + strictEqual(response.finished, false); response.end('data', mustCall()); strictEqual(response.writableEnded, true); + strictEqual(response.finished, true); })); server.listen(0, mustCall(() => { const { port } = server.address(); From 59c75e5e74797e15b2a3fbd9b432d8cc3d92543f Mon Sep 17 00:00:00 2001 From: Rich Trott Date: Tue, 11 Feb 2020 00:42:17 -1000 Subject: [PATCH 223/224] meta: move eljefedelrodeodeljefe to emeritus MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit eljefedelrodeodeljefe confirmed in email that moving to emeritus was fine at this time. PR-URL: https://github.com/nodejs/node/pull/31735 Reviewed-By: Colin Ihrig Reviewed-By: James M Snell Reviewed-By: Luigi Pinca Reviewed-By: Ruben Bridgewater Reviewed-By: Gireesh Punathil Reviewed-By: Michaël Zasso --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index a06c51f22a4cd1..bff42f1114a3a9 100644 --- a/README.md +++ b/README.md @@ -283,8 +283,6 @@ For information about the governance of the Node.js project, see **Hitesh Kanwathirtha** <digitalinfinity@gmail.com> (he/him) * [edsadr](https://github.com/edsadr) - **Adrian Estrada** <edsadr@gmail.com> (he/him) -* [eljefedelrodeodeljefe](https://github.com/eljefedelrodeodeljefe) - -**Robert Jefe Lindstaedt** <robert.lindstaedt@gmail.com> * [eugeneo](https://github.com/eugeneo) - **Eugene Ostroukhov** <eostroukhov@google.com> * [evanlucas](https://github.com/evanlucas) - @@ -458,6 +456,8 @@ For information about the governance of the Node.js project, see **Chris Dickinson** <christopher.s.dickinson@gmail.com> * [DavidCai1993](https://github.com/DavidCai1993) - **David Cai** <davidcai1993@yahoo.com> (he/him) +* [eljefedelrodeodeljefe](https://github.com/eljefedelrodeodeljefe) - +**Robert Jefe Lindstaedt** <robert.lindstaedt@gmail.com> * [estliberitas](https://github.com/estliberitas) - **Alexander Makarenko** <estliberitas@gmail.com> * [firedfox](https://github.com/firedfox) - From c3801f07b34d3732c905df907906802ae9b8bbed Mon Sep 17 00:00:00 2001 From: Andrey Pechkurov Date: Sun, 15 Mar 2020 15:41:58 +0300 Subject: [PATCH 224/224] doc: remove reverse-i-search link --- doc/api/repl.md | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/doc/api/repl.md b/doc/api/repl.md index c6c90e6467a68d..7551c1dfdcbdcc 100644 --- a/doc/api/repl.md +++ b/doc/api/repl.md @@ -66,8 +66,7 @@ The following key combinations in the REPL have these special effects: variables. When pressed while entering other input, displays relevant autocompletion options. -For key bindings related to the reverse-i-search, see [`reverse-i-search`][]. -For all other key bindings, see [TTY keybindings][]. +For all key bindings, see [TTY keybindings][]. ### Default Evaluation @@ -712,7 +711,6 @@ For an example of running a REPL instance over [curl(1)][], see: [`repl.ReplServer`]: #repl_class_replserver [`repl.start()`]: #repl_repl_start_options [`util.inspect()`]: util.html#util_util_inspect_object_options -[`reverse-i-search`]: #repl_reverse_i_search [TTY keybindings]: readline.html#readline_tty_keybindings [curl(1)]: https://curl.haxx.se/docs/manpage.html [stream]: stream.html