diff --git a/misc/test-browser/assert.js b/misc/test-browser/assert.js
new file mode 100644
index 0000000000..5357de3769
--- /dev/null
+++ b/misc/test-browser/assert.js
@@ -0,0 +1,107 @@
+
+function throwError(message, info) {
+ const error = new Error(`AssertionError: ${ message }`);
+ error.code = "ERR_ASSERTION";
+ for (const key of info) { error[key] = info[key]; }
+ throw error;
+}
+
+export function equal(actual, expected, reason) {
+ if (actual != expected) {
+ if (reason == null) { reason = `${ actual } == ${ expected }`; }
+
+ throwError(reason, { actual, expected, operator: "==" });
+ }
+}
+
+function isDeepEqual(actual, expected, memo) {
+ if (actual === expected) {
+ return true;
+ }
+
+ // One or both things aren't objects
+ if (actual === null || typeof(expected) !== 'object') {
+ if (expected === null || typeof(expected) !== 'object') {
+ return actual == expected;
+ }
+
+ return false;
+
+ } else if (expected === null || typeof(expected) !== 'object') {
+ return false;
+ }
+
+ if (Array.isArray(actual)) {
+ if (!Array.isArray(expected) || actual.length !== expected.length) {
+ return false;
+ }
+
+ for (let i = 0; i < actual.length; i++) {
+ if (!isDeepEqual(actual[i], expected[i])) { return false; }
+ }
+
+ return true;
+ }
+
+ // Object
+ const keysActual = Object.keys(actual).sort(), keysExpected = Object.keys(expected).sort();
+ if (!isDeepEqual(keysActual, keysExpected)) { return false; }
+ for (const key of keysActual) {
+ if (!isDeepEqual(actual[key], expected[key], memo)) { return false; }
+ }
+
+ return true;
+}
+
+export function deepEqual(actual, expected, reason) {
+ const memo = [ ];
+ const isOk = isDeepEqual(actual, expected, memo);
+ if (!isOk) {
+ equal(actual, expected, reason);
+ }
+}
+
+export function ok(check, reason) {
+ equal(!!check, true, reason);
+}
+
+export function throws(func, checkFunc, reason) {
+ try {
+ func();
+
+ } catch (e) {
+ if (checkFunc(e)) { return true; }
+
+ throwError(`The expected exception validation function returned false`, {
+ actual: e,
+ expected: checkFunc,
+ operation: "throws"
+ });
+ }
+
+ throwError("Missing expected exception", {
+ operator: "throws"
+ });
+}
+
+export async function rejects(func, checkFunc, reason) {
+ try {
+ await func();
+ } catch (e) {
+ if (checkFunc(e)) { return true; }
+
+ throwError(`The rejection validation function returned false`, {
+ actual: e,
+ expected: checkFunc,
+ operation: "throws"
+ });
+ }
+
+ throwError("Missing rejection", {
+ operator: "rejects"
+ });
+}
+
+export default {
+ equal, deepEqual, ok, rejects, throws
+};
diff --git a/misc/test-browser/index.html b/misc/test-browser/index.html
new file mode 100644
index 0000000000..9279e4734d
--- /dev/null
+++ b/misc/test-browser/index.html
@@ -0,0 +1,26 @@
+
+
+ Hello World!!
+ Please check the console for test output...
+
+
+
+
+
+
diff --git a/misc/test-browser/mocha.js b/misc/test-browser/mocha.js
new file mode 100644
index 0000000000..620e1abe93
--- /dev/null
+++ b/misc/test-browser/mocha.js
@@ -0,0 +1,20617 @@
+// mocha@10.0.0 in javascript ES2018
+(function (global, factory) {
+ typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+ typeof define === 'function' && define.amd ? define(factory) :
+ (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.mocha = factory());
+})(this, (function () { 'use strict';
+
+ var global$2 = (typeof global !== "undefined" ? global :
+ typeof self !== "undefined" ? self :
+ typeof window !== "undefined" ? window : {});
+
+ var global$1 = (typeof global$2 !== "undefined" ? global$2 :
+ typeof self !== "undefined" ? self :
+ typeof window !== "undefined" ? window : {});
+
+ // shim for using process in browser
+ // based off https://github.com/defunctzombie/node-process/blob/master/browser.js
+
+ function defaultSetTimout$1() {
+ throw new Error('setTimeout has not been defined');
+ }
+ function defaultClearTimeout$1 () {
+ throw new Error('clearTimeout has not been defined');
+ }
+ var cachedSetTimeout$1 = defaultSetTimout$1;
+ var cachedClearTimeout$1 = defaultClearTimeout$1;
+ if (typeof global$1.setTimeout === 'function') {
+ cachedSetTimeout$1 = setTimeout;
+ }
+ if (typeof global$1.clearTimeout === 'function') {
+ cachedClearTimeout$1 = clearTimeout;
+ }
+
+ function runTimeout$1(fun) {
+ if (cachedSetTimeout$1 === setTimeout) {
+ //normal enviroments in sane situations
+ return setTimeout(fun, 0);
+ }
+ // if setTimeout wasn't available but was latter defined
+ if ((cachedSetTimeout$1 === defaultSetTimout$1 || !cachedSetTimeout$1) && setTimeout) {
+ cachedSetTimeout$1 = setTimeout;
+ return setTimeout(fun, 0);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedSetTimeout$1(fun, 0);
+ } catch(e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedSetTimeout$1.call(null, fun, 0);
+ } catch(e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+ return cachedSetTimeout$1.call(this, fun, 0);
+ }
+ }
+
+
+ }
+ function runClearTimeout$1(marker) {
+ if (cachedClearTimeout$1 === clearTimeout) {
+ //normal enviroments in sane situations
+ return clearTimeout(marker);
+ }
+ // if clearTimeout wasn't available but was latter defined
+ if ((cachedClearTimeout$1 === defaultClearTimeout$1 || !cachedClearTimeout$1) && clearTimeout) {
+ cachedClearTimeout$1 = clearTimeout;
+ return clearTimeout(marker);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedClearTimeout$1(marker);
+ } catch (e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedClearTimeout$1.call(null, marker);
+ } catch (e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+ // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+ return cachedClearTimeout$1.call(this, marker);
+ }
+ }
+
+
+
+ }
+ var queue$1 = [];
+ var draining$1 = false;
+ var currentQueue$1;
+ var queueIndex$1 = -1;
+
+ function cleanUpNextTick$1() {
+ if (!draining$1 || !currentQueue$1) {
+ return;
+ }
+ draining$1 = false;
+ if (currentQueue$1.length) {
+ queue$1 = currentQueue$1.concat(queue$1);
+ } else {
+ queueIndex$1 = -1;
+ }
+ if (queue$1.length) {
+ drainQueue$1();
+ }
+ }
+
+ function drainQueue$1() {
+ if (draining$1) {
+ return;
+ }
+ var timeout = runTimeout$1(cleanUpNextTick$1);
+ draining$1 = true;
+
+ var len = queue$1.length;
+ while(len) {
+ currentQueue$1 = queue$1;
+ queue$1 = [];
+ while (++queueIndex$1 < len) {
+ if (currentQueue$1) {
+ currentQueue$1[queueIndex$1].run();
+ }
+ }
+ queueIndex$1 = -1;
+ len = queue$1.length;
+ }
+ currentQueue$1 = null;
+ draining$1 = false;
+ runClearTimeout$1(timeout);
+ }
+ function nextTick$1(fun) {
+ var args = new Array(arguments.length - 1);
+ if (arguments.length > 1) {
+ for (var i = 1; i < arguments.length; i++) {
+ args[i - 1] = arguments[i];
+ }
+ }
+ queue$1.push(new Item$1(fun, args));
+ if (queue$1.length === 1 && !draining$1) {
+ runTimeout$1(drainQueue$1);
+ }
+ }
+ // v8 likes predictible objects
+ function Item$1(fun, array) {
+ this.fun = fun;
+ this.array = array;
+ }
+ Item$1.prototype.run = function () {
+ this.fun.apply(null, this.array);
+ };
+ var title$1 = 'browser';
+ var platform$1 = 'browser';
+ var browser$4 = true;
+ var env$1 = {};
+ var argv$1 = [];
+ var version$2 = ''; // empty string to avoid regexp issues
+ var versions$1 = {};
+ var release$1 = {};
+ var config$1 = {};
+
+ function noop$1() {}
+
+ var on$1 = noop$1;
+ var addListener$1 = noop$1;
+ var once$1 = noop$1;
+ var off$1 = noop$1;
+ var removeListener$1 = noop$1;
+ var removeAllListeners$1 = noop$1;
+ var emit$1 = noop$1;
+
+ function binding$1(name) {
+ throw new Error('process.binding is not supported');
+ }
+
+ function cwd$1 () { return '/' }
+ function chdir$1 (dir) {
+ throw new Error('process.chdir is not supported');
+ }function umask$1() { return 0; }
+
+ // from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js
+ var performance$1 = global$1.performance || {};
+ var performanceNow$1 =
+ performance$1.now ||
+ performance$1.mozNow ||
+ performance$1.msNow ||
+ performance$1.oNow ||
+ performance$1.webkitNow ||
+ function(){ return (new Date()).getTime() };
+
+ // generate timestamp or delta
+ // see http://nodejs.org/api/process.html#process_process_hrtime
+ function hrtime$1(previousTimestamp){
+ var clocktime = performanceNow$1.call(performance$1)*1e-3;
+ var seconds = Math.floor(clocktime);
+ var nanoseconds = Math.floor((clocktime%1)*1e9);
+ if (previousTimestamp) {
+ seconds = seconds - previousTimestamp[0];
+ nanoseconds = nanoseconds - previousTimestamp[1];
+ if (nanoseconds<0) {
+ seconds--;
+ nanoseconds += 1e9;
+ }
+ }
+ return [seconds,nanoseconds]
+ }
+
+ var startTime$1 = new Date();
+ function uptime$1() {
+ var currentTime = new Date();
+ var dif = currentTime - startTime$1;
+ return dif / 1000;
+ }
+
+ var process = {
+ nextTick: nextTick$1,
+ title: title$1,
+ browser: browser$4,
+ env: env$1,
+ argv: argv$1,
+ version: version$2,
+ versions: versions$1,
+ on: on$1,
+ addListener: addListener$1,
+ once: once$1,
+ off: off$1,
+ removeListener: removeListener$1,
+ removeAllListeners: removeAllListeners$1,
+ emit: emit$1,
+ binding: binding$1,
+ cwd: cwd$1,
+ chdir: chdir$1,
+ umask: umask$1,
+ hrtime: hrtime$1,
+ platform: platform$1,
+ release: release$1,
+ config: config$1,
+ uptime: uptime$1
+ };
+
+ var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
+
+ function getAugmentedNamespace(n) {
+ if (n.__esModule) return n;
+ var a = Object.defineProperty({}, '__esModule', {value: true});
+ Object.keys(n).forEach(function (k) {
+ var d = Object.getOwnPropertyDescriptor(n, k);
+ Object.defineProperty(a, k, d.get ? d : {
+ enumerable: true,
+ get: function () {
+ return n[k];
+ }
+ });
+ });
+ return a;
+ }
+
+ function commonjsRequire (path) {
+ throw new Error('Could not dynamically require "' + path + '". Please configure the dynamicRequireTargets or/and ignoreDynamicRequires option of @rollup/plugin-commonjs appropriately for this require call to work.');
+ }
+
+ var domain;
+
+ // This constructor is used to store event handlers. Instantiating this is
+ // faster than explicitly calling `Object.create(null)` to get a "clean" empty
+ // object (tested with v8 v4.9).
+ function EventHandlers() {}
+ EventHandlers.prototype = Object.create(null);
+
+ function EventEmitter$2() {
+ EventEmitter$2.init.call(this);
+ }
+
+ // nodejs oddity
+ // require('events') === require('events').EventEmitter
+ EventEmitter$2.EventEmitter = EventEmitter$2;
+
+ EventEmitter$2.usingDomains = false;
+
+ EventEmitter$2.prototype.domain = undefined;
+ EventEmitter$2.prototype._events = undefined;
+ EventEmitter$2.prototype._maxListeners = undefined;
+
+ // By default EventEmitters will print a warning if more than 10 listeners are
+ // added to it. This is a useful default which helps finding memory leaks.
+ EventEmitter$2.defaultMaxListeners = 10;
+
+ EventEmitter$2.init = function() {
+ this.domain = null;
+ if (EventEmitter$2.usingDomains) {
+ // if there is an active domain, then attach to it.
+ if (domain.active ) ;
+ }
+
+ if (!this._events || this._events === Object.getPrototypeOf(this)._events) {
+ this._events = new EventHandlers();
+ this._eventsCount = 0;
+ }
+
+ this._maxListeners = this._maxListeners || undefined;
+ };
+
+ // Obviously not all Emitters should be limited to 10. This function allows
+ // that to be increased. Set to zero for unlimited.
+ EventEmitter$2.prototype.setMaxListeners = function setMaxListeners(n) {
+ if (typeof n !== 'number' || n < 0 || isNaN(n))
+ throw new TypeError('"n" argument must be a positive number');
+ this._maxListeners = n;
+ return this;
+ };
+
+ function $getMaxListeners(that) {
+ if (that._maxListeners === undefined)
+ return EventEmitter$2.defaultMaxListeners;
+ return that._maxListeners;
+ }
+
+ EventEmitter$2.prototype.getMaxListeners = function getMaxListeners() {
+ return $getMaxListeners(this);
+ };
+
+ // These standalone emit* functions are used to optimize calling of event
+ // handlers for fast cases because emit() itself often has a variable number of
+ // arguments and can be deoptimized because of that. These functions always have
+ // the same number of arguments and thus do not get deoptimized, so the code
+ // inside them can execute faster.
+ function emitNone(handler, isFn, self) {
+ if (isFn)
+ handler.call(self);
+ else {
+ var len = handler.length;
+ var listeners = arrayClone(handler, len);
+ for (var i = 0; i < len; ++i)
+ listeners[i].call(self);
+ }
+ }
+ function emitOne(handler, isFn, self, arg1) {
+ if (isFn)
+ handler.call(self, arg1);
+ else {
+ var len = handler.length;
+ var listeners = arrayClone(handler, len);
+ for (var i = 0; i < len; ++i)
+ listeners[i].call(self, arg1);
+ }
+ }
+ function emitTwo(handler, isFn, self, arg1, arg2) {
+ if (isFn)
+ handler.call(self, arg1, arg2);
+ else {
+ var len = handler.length;
+ var listeners = arrayClone(handler, len);
+ for (var i = 0; i < len; ++i)
+ listeners[i].call(self, arg1, arg2);
+ }
+ }
+ function emitThree(handler, isFn, self, arg1, arg2, arg3) {
+ if (isFn)
+ handler.call(self, arg1, arg2, arg3);
+ else {
+ var len = handler.length;
+ var listeners = arrayClone(handler, len);
+ for (var i = 0; i < len; ++i)
+ listeners[i].call(self, arg1, arg2, arg3);
+ }
+ }
+
+ function emitMany(handler, isFn, self, args) {
+ if (isFn)
+ handler.apply(self, args);
+ else {
+ var len = handler.length;
+ var listeners = arrayClone(handler, len);
+ for (var i = 0; i < len; ++i)
+ listeners[i].apply(self, args);
+ }
+ }
+
+ EventEmitter$2.prototype.emit = function emit(type) {
+ var er, handler, len, args, i, events, domain;
+ var doError = (type === 'error');
+
+ events = this._events;
+ if (events)
+ doError = (doError && events.error == null);
+ else if (!doError)
+ return false;
+
+ domain = this.domain;
+
+ // If there is no 'error' event listener then throw.
+ if (doError) {
+ er = arguments[1];
+ if (domain) {
+ if (!er)
+ er = new Error('Uncaught, unspecified "error" event');
+ er.domainEmitter = this;
+ er.domain = domain;
+ er.domainThrown = false;
+ domain.emit('error', er);
+ } else if (er instanceof Error) {
+ throw er; // Unhandled 'error' event
+ } else {
+ // At least give some kind of context to the user
+ var err = new Error('Uncaught, unspecified "error" event. (' + er + ')');
+ err.context = er;
+ throw err;
+ }
+ return false;
+ }
+
+ handler = events[type];
+
+ if (!handler)
+ return false;
+
+ var isFn = typeof handler === 'function';
+ len = arguments.length;
+ switch (len) {
+ // fast cases
+ case 1:
+ emitNone(handler, isFn, this);
+ break;
+ case 2:
+ emitOne(handler, isFn, this, arguments[1]);
+ break;
+ case 3:
+ emitTwo(handler, isFn, this, arguments[1], arguments[2]);
+ break;
+ case 4:
+ emitThree(handler, isFn, this, arguments[1], arguments[2], arguments[3]);
+ break;
+ // slower
+ default:
+ args = new Array(len - 1);
+ for (i = 1; i < len; i++)
+ args[i - 1] = arguments[i];
+ emitMany(handler, isFn, this, args);
+ }
+
+ return true;
+ };
+
+ function _addListener(target, type, listener, prepend) {
+ var m;
+ var events;
+ var existing;
+
+ if (typeof listener !== 'function')
+ throw new TypeError('"listener" argument must be a function');
+
+ events = target._events;
+ if (!events) {
+ events = target._events = new EventHandlers();
+ target._eventsCount = 0;
+ } else {
+ // To avoid recursion in the case that type === "newListener"! Before
+ // adding it to the listeners, first emit "newListener".
+ if (events.newListener) {
+ target.emit('newListener', type,
+ listener.listener ? listener.listener : listener);
+
+ // Re-assign `events` because a newListener handler could have caused the
+ // this._events to be assigned to a new object
+ events = target._events;
+ }
+ existing = events[type];
+ }
+
+ if (!existing) {
+ // Optimize the case of one listener. Don't need the extra array object.
+ existing = events[type] = listener;
+ ++target._eventsCount;
+ } else {
+ if (typeof existing === 'function') {
+ // Adding the second element, need to change to array.
+ existing = events[type] = prepend ? [listener, existing] :
+ [existing, listener];
+ } else {
+ // If we've already got an array, just append.
+ if (prepend) {
+ existing.unshift(listener);
+ } else {
+ existing.push(listener);
+ }
+ }
+
+ // Check for listener leak
+ if (!existing.warned) {
+ m = $getMaxListeners(target);
+ if (m && m > 0 && existing.length > m) {
+ existing.warned = true;
+ var w = new Error('Possible EventEmitter memory leak detected. ' +
+ existing.length + ' ' + type + ' listeners added. ' +
+ 'Use emitter.setMaxListeners() to increase limit');
+ w.name = 'MaxListenersExceededWarning';
+ w.emitter = target;
+ w.type = type;
+ w.count = existing.length;
+ emitWarning$1(w);
+ }
+ }
+ }
+
+ return target;
+ }
+ function emitWarning$1(e) {
+ typeof console.warn === 'function' ? console.warn(e) : console.log(e);
+ }
+ EventEmitter$2.prototype.addListener = function addListener(type, listener) {
+ return _addListener(this, type, listener, false);
+ };
+
+ EventEmitter$2.prototype.on = EventEmitter$2.prototype.addListener;
+
+ EventEmitter$2.prototype.prependListener =
+ function prependListener(type, listener) {
+ return _addListener(this, type, listener, true);
+ };
+
+ function _onceWrap(target, type, listener) {
+ var fired = false;
+ function g() {
+ target.removeListener(type, g);
+ if (!fired) {
+ fired = true;
+ listener.apply(target, arguments);
+ }
+ }
+ g.listener = listener;
+ return g;
+ }
+
+ EventEmitter$2.prototype.once = function once(type, listener) {
+ if (typeof listener !== 'function')
+ throw new TypeError('"listener" argument must be a function');
+ this.on(type, _onceWrap(this, type, listener));
+ return this;
+ };
+
+ EventEmitter$2.prototype.prependOnceListener =
+ function prependOnceListener(type, listener) {
+ if (typeof listener !== 'function')
+ throw new TypeError('"listener" argument must be a function');
+ this.prependListener(type, _onceWrap(this, type, listener));
+ return this;
+ };
+
+ // emits a 'removeListener' event iff the listener was removed
+ EventEmitter$2.prototype.removeListener =
+ function removeListener(type, listener) {
+ var list, events, position, i, originalListener;
+
+ if (typeof listener !== 'function')
+ throw new TypeError('"listener" argument must be a function');
+
+ events = this._events;
+ if (!events)
+ return this;
+
+ list = events[type];
+ if (!list)
+ return this;
+
+ if (list === listener || (list.listener && list.listener === listener)) {
+ if (--this._eventsCount === 0)
+ this._events = new EventHandlers();
+ else {
+ delete events[type];
+ if (events.removeListener)
+ this.emit('removeListener', type, list.listener || listener);
+ }
+ } else if (typeof list !== 'function') {
+ position = -1;
+
+ for (i = list.length; i-- > 0;) {
+ if (list[i] === listener ||
+ (list[i].listener && list[i].listener === listener)) {
+ originalListener = list[i].listener;
+ position = i;
+ break;
+ }
+ }
+
+ if (position < 0)
+ return this;
+
+ if (list.length === 1) {
+ list[0] = undefined;
+ if (--this._eventsCount === 0) {
+ this._events = new EventHandlers();
+ return this;
+ } else {
+ delete events[type];
+ }
+ } else {
+ spliceOne(list, position);
+ }
+
+ if (events.removeListener)
+ this.emit('removeListener', type, originalListener || listener);
+ }
+
+ return this;
+ };
+
+ // Alias for removeListener added in NodeJS 10.0
+ // https://nodejs.org/api/events.html#events_emitter_off_eventname_listener
+ EventEmitter$2.prototype.off = function(type, listener){
+ return this.removeListener(type, listener);
+ };
+
+ EventEmitter$2.prototype.removeAllListeners =
+ function removeAllListeners(type) {
+ var listeners, events;
+
+ events = this._events;
+ if (!events)
+ return this;
+
+ // not listening for removeListener, no need to emit
+ if (!events.removeListener) {
+ if (arguments.length === 0) {
+ this._events = new EventHandlers();
+ this._eventsCount = 0;
+ } else if (events[type]) {
+ if (--this._eventsCount === 0)
+ this._events = new EventHandlers();
+ else
+ delete events[type];
+ }
+ return this;
+ }
+
+ // emit removeListener for all listeners on all events
+ if (arguments.length === 0) {
+ var keys = Object.keys(events);
+ for (var i = 0, key; i < keys.length; ++i) {
+ key = keys[i];
+ if (key === 'removeListener') continue;
+ this.removeAllListeners(key);
+ }
+ this.removeAllListeners('removeListener');
+ this._events = new EventHandlers();
+ this._eventsCount = 0;
+ return this;
+ }
+
+ listeners = events[type];
+
+ if (typeof listeners === 'function') {
+ this.removeListener(type, listeners);
+ } else if (listeners) {
+ // LIFO order
+ do {
+ this.removeListener(type, listeners[listeners.length - 1]);
+ } while (listeners[0]);
+ }
+
+ return this;
+ };
+
+ EventEmitter$2.prototype.listeners = function listeners(type) {
+ var evlistener;
+ var ret;
+ var events = this._events;
+
+ if (!events)
+ ret = [];
+ else {
+ evlistener = events[type];
+ if (!evlistener)
+ ret = [];
+ else if (typeof evlistener === 'function')
+ ret = [evlistener.listener || evlistener];
+ else
+ ret = unwrapListeners(evlistener);
+ }
+
+ return ret;
+ };
+
+ EventEmitter$2.listenerCount = function(emitter, type) {
+ if (typeof emitter.listenerCount === 'function') {
+ return emitter.listenerCount(type);
+ } else {
+ return listenerCount$1.call(emitter, type);
+ }
+ };
+
+ EventEmitter$2.prototype.listenerCount = listenerCount$1;
+ function listenerCount$1(type) {
+ var events = this._events;
+
+ if (events) {
+ var evlistener = events[type];
+
+ if (typeof evlistener === 'function') {
+ return 1;
+ } else if (evlistener) {
+ return evlistener.length;
+ }
+ }
+
+ return 0;
+ }
+
+ EventEmitter$2.prototype.eventNames = function eventNames() {
+ return this._eventsCount > 0 ? Reflect.ownKeys(this._events) : [];
+ };
+
+ // About 1.5x faster than the two-arg version of Array#splice().
+ function spliceOne(list, index) {
+ for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1)
+ list[i] = list[k];
+ list.pop();
+ }
+
+ function arrayClone(arr, i) {
+ var copy = new Array(i);
+ while (i--)
+ copy[i] = arr[i];
+ return copy;
+ }
+
+ function unwrapListeners(arr) {
+ var ret = new Array(arr.length);
+ for (var i = 0; i < ret.length; ++i) {
+ ret[i] = arr[i].listener || arr[i];
+ }
+ return ret;
+ }
+
+ var _polyfillNode_events = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ 'default': EventEmitter$2,
+ EventEmitter: EventEmitter$2
+ });
+
+ var lookup$1 = [];
+ var revLookup$1 = [];
+ var Arr$1 = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
+ var inited$1 = false;
+ function init$1 () {
+ inited$1 = true;
+ var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+ for (var i = 0, len = code.length; i < len; ++i) {
+ lookup$1[i] = code[i];
+ revLookup$1[code.charCodeAt(i)] = i;
+ }
+
+ revLookup$1['-'.charCodeAt(0)] = 62;
+ revLookup$1['_'.charCodeAt(0)] = 63;
+ }
+
+ function toByteArray$1 (b64) {
+ if (!inited$1) {
+ init$1();
+ }
+ var i, j, l, tmp, placeHolders, arr;
+ var len = b64.length;
+
+ if (len % 4 > 0) {
+ throw new Error('Invalid string. Length must be a multiple of 4')
+ }
+
+ // the number of equal signs (place holders)
+ // if there are two placeholders, than the two characters before it
+ // represent one byte
+ // if there is only one, then the three characters before it represent 2 bytes
+ // this is just a cheap hack to not do indexOf twice
+ placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0;
+
+ // base64 is 4/3 + up to two characters of the original data
+ arr = new Arr$1(len * 3 / 4 - placeHolders);
+
+ // if there are placeholders, only get up to the last complete 4 chars
+ l = placeHolders > 0 ? len - 4 : len;
+
+ var L = 0;
+
+ for (i = 0, j = 0; i < l; i += 4, j += 3) {
+ tmp = (revLookup$1[b64.charCodeAt(i)] << 18) | (revLookup$1[b64.charCodeAt(i + 1)] << 12) | (revLookup$1[b64.charCodeAt(i + 2)] << 6) | revLookup$1[b64.charCodeAt(i + 3)];
+ arr[L++] = (tmp >> 16) & 0xFF;
+ arr[L++] = (tmp >> 8) & 0xFF;
+ arr[L++] = tmp & 0xFF;
+ }
+
+ if (placeHolders === 2) {
+ tmp = (revLookup$1[b64.charCodeAt(i)] << 2) | (revLookup$1[b64.charCodeAt(i + 1)] >> 4);
+ arr[L++] = tmp & 0xFF;
+ } else if (placeHolders === 1) {
+ tmp = (revLookup$1[b64.charCodeAt(i)] << 10) | (revLookup$1[b64.charCodeAt(i + 1)] << 4) | (revLookup$1[b64.charCodeAt(i + 2)] >> 2);
+ arr[L++] = (tmp >> 8) & 0xFF;
+ arr[L++] = tmp & 0xFF;
+ }
+
+ return arr
+ }
+
+ function tripletToBase64$1 (num) {
+ return lookup$1[num >> 18 & 0x3F] + lookup$1[num >> 12 & 0x3F] + lookup$1[num >> 6 & 0x3F] + lookup$1[num & 0x3F]
+ }
+
+ function encodeChunk$1 (uint8, start, end) {
+ var tmp;
+ var output = [];
+ for (var i = start; i < end; i += 3) {
+ tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]);
+ output.push(tripletToBase64$1(tmp));
+ }
+ return output.join('')
+ }
+
+ function fromByteArray$1 (uint8) {
+ if (!inited$1) {
+ init$1();
+ }
+ var tmp;
+ var len = uint8.length;
+ var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes
+ var output = '';
+ var parts = [];
+ var maxChunkLength = 16383; // must be multiple of 3
+
+ // go through the array every three bytes, we'll deal with trailing stuff later
+ for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+ parts.push(encodeChunk$1(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)));
+ }
+
+ // pad the end with zeros, but make sure to not forget the extra bytes
+ if (extraBytes === 1) {
+ tmp = uint8[len - 1];
+ output += lookup$1[tmp >> 2];
+ output += lookup$1[(tmp << 4) & 0x3F];
+ output += '==';
+ } else if (extraBytes === 2) {
+ tmp = (uint8[len - 2] << 8) + (uint8[len - 1]);
+ output += lookup$1[tmp >> 10];
+ output += lookup$1[(tmp >> 4) & 0x3F];
+ output += lookup$1[(tmp << 2) & 0x3F];
+ output += '=';
+ }
+
+ parts.push(output);
+
+ return parts.join('')
+ }
+
+ function read$1 (buffer, offset, isLE, mLen, nBytes) {
+ var e, m;
+ var eLen = nBytes * 8 - mLen - 1;
+ var eMax = (1 << eLen) - 1;
+ var eBias = eMax >> 1;
+ var nBits = -7;
+ var i = isLE ? (nBytes - 1) : 0;
+ var d = isLE ? -1 : 1;
+ var s = buffer[offset + i];
+
+ i += d;
+
+ e = s & ((1 << (-nBits)) - 1);
+ s >>= (-nBits);
+ nBits += eLen;
+ for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+ m = e & ((1 << (-nBits)) - 1);
+ e >>= (-nBits);
+ nBits += mLen;
+ for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+ if (e === 0) {
+ e = 1 - eBias;
+ } else if (e === eMax) {
+ return m ? NaN : ((s ? -1 : 1) * Infinity)
+ } else {
+ m = m + Math.pow(2, mLen);
+ e = e - eBias;
+ }
+ return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+ }
+
+ function write$1 (buffer, value, offset, isLE, mLen, nBytes) {
+ var e, m, c;
+ var eLen = nBytes * 8 - mLen - 1;
+ var eMax = (1 << eLen) - 1;
+ var eBias = eMax >> 1;
+ var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0);
+ var i = isLE ? 0 : (nBytes - 1);
+ var d = isLE ? 1 : -1;
+ var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;
+
+ value = Math.abs(value);
+
+ if (isNaN(value) || value === Infinity) {
+ m = isNaN(value) ? 1 : 0;
+ e = eMax;
+ } else {
+ e = Math.floor(Math.log(value) / Math.LN2);
+ if (value * (c = Math.pow(2, -e)) < 1) {
+ e--;
+ c *= 2;
+ }
+ if (e + eBias >= 1) {
+ value += rt / c;
+ } else {
+ value += rt * Math.pow(2, 1 - eBias);
+ }
+ if (value * c >= 2) {
+ e++;
+ c /= 2;
+ }
+
+ if (e + eBias >= eMax) {
+ m = 0;
+ e = eMax;
+ } else if (e + eBias >= 1) {
+ m = (value * c - 1) * Math.pow(2, mLen);
+ e = e + eBias;
+ } else {
+ m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
+ e = 0;
+ }
+ }
+
+ for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+ e = (e << mLen) | m;
+ eLen += mLen;
+ for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+ buffer[offset + i - d] |= s * 128;
+ }
+
+ var toString$2 = {}.toString;
+
+ var isArray$2 = Array.isArray || function (arr) {
+ return toString$2.call(arr) == '[object Array]';
+ };
+
+ /*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author Feross Aboukhadijeh
+ * @license MIT
+ */
+
+ var INSPECT_MAX_BYTES$1 = 50;
+
+ /**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ * === true Use Uint8Array implementation (fastest)
+ * === false Use Object implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * Due to various browser bugs, sometimes the Object implementation will be used even
+ * when the browser supports typed arrays.
+ *
+ * Note:
+ *
+ * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
+ * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
+ *
+ * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
+ *
+ * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
+ * incorrect length in some situations.
+
+ * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
+ * get the Object implementation, which is slower but behaves correctly.
+ */
+ Buffer$1.TYPED_ARRAY_SUPPORT = global$2.TYPED_ARRAY_SUPPORT !== undefined
+ ? global$2.TYPED_ARRAY_SUPPORT
+ : true;
+
+ function kMaxLength$1 () {
+ return Buffer$1.TYPED_ARRAY_SUPPORT
+ ? 0x7fffffff
+ : 0x3fffffff
+ }
+
+ function createBuffer$1 (that, length) {
+ if (kMaxLength$1() < length) {
+ throw new RangeError('Invalid typed array length')
+ }
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ // Return an augmented `Uint8Array` instance, for best performance
+ that = new Uint8Array(length);
+ that.__proto__ = Buffer$1.prototype;
+ } else {
+ // Fallback: Return an object instance of the Buffer class
+ if (that === null) {
+ that = new Buffer$1(length);
+ }
+ that.length = length;
+ }
+
+ return that
+ }
+
+ /**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+ function Buffer$1 (arg, encodingOrOffset, length) {
+ if (!Buffer$1.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer$1)) {
+ return new Buffer$1(arg, encodingOrOffset, length)
+ }
+
+ // Common case.
+ if (typeof arg === 'number') {
+ if (typeof encodingOrOffset === 'string') {
+ throw new Error(
+ 'If encoding is specified then the first argument must be a string'
+ )
+ }
+ return allocUnsafe$1(this, arg)
+ }
+ return from$1(this, arg, encodingOrOffset, length)
+ }
+
+ Buffer$1.poolSize = 8192; // not used by this implementation
+
+ // TODO: Legacy, not needed anymore. Remove in next major version.
+ Buffer$1._augment = function (arr) {
+ arr.__proto__ = Buffer$1.prototype;
+ return arr
+ };
+
+ function from$1 (that, value, encodingOrOffset, length) {
+ if (typeof value === 'number') {
+ throw new TypeError('"value" argument must not be a number')
+ }
+
+ if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
+ return fromArrayBuffer$1(that, value, encodingOrOffset, length)
+ }
+
+ if (typeof value === 'string') {
+ return fromString$1(that, value, encodingOrOffset)
+ }
+
+ return fromObject$1(that, value)
+ }
+
+ /**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+ Buffer$1.from = function (value, encodingOrOffset, length) {
+ return from$1(null, value, encodingOrOffset, length)
+ };
+
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ Buffer$1.prototype.__proto__ = Uint8Array.prototype;
+ Buffer$1.__proto__ = Uint8Array;
+ }
+
+ function assertSize$1 (size) {
+ if (typeof size !== 'number') {
+ throw new TypeError('"size" argument must be a number')
+ } else if (size < 0) {
+ throw new RangeError('"size" argument must not be negative')
+ }
+ }
+
+ function alloc$1 (that, size, fill, encoding) {
+ assertSize$1(size);
+ if (size <= 0) {
+ return createBuffer$1(that, size)
+ }
+ if (fill !== undefined) {
+ // Only pay attention to encoding if it's a string. This
+ // prevents accidentally sending in a number that would
+ // be interpretted as a start offset.
+ return typeof encoding === 'string'
+ ? createBuffer$1(that, size).fill(fill, encoding)
+ : createBuffer$1(that, size).fill(fill)
+ }
+ return createBuffer$1(that, size)
+ }
+
+ /**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+ Buffer$1.alloc = function (size, fill, encoding) {
+ return alloc$1(null, size, fill, encoding)
+ };
+
+ function allocUnsafe$1 (that, size) {
+ assertSize$1(size);
+ that = createBuffer$1(that, size < 0 ? 0 : checked$1(size) | 0);
+ if (!Buffer$1.TYPED_ARRAY_SUPPORT) {
+ for (var i = 0; i < size; ++i) {
+ that[i] = 0;
+ }
+ }
+ return that
+ }
+
+ /**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+ Buffer$1.allocUnsafe = function (size) {
+ return allocUnsafe$1(null, size)
+ };
+ /**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+ Buffer$1.allocUnsafeSlow = function (size) {
+ return allocUnsafe$1(null, size)
+ };
+
+ function fromString$1 (that, string, encoding) {
+ if (typeof encoding !== 'string' || encoding === '') {
+ encoding = 'utf8';
+ }
+
+ if (!Buffer$1.isEncoding(encoding)) {
+ throw new TypeError('"encoding" must be a valid string encoding')
+ }
+
+ var length = byteLength$1(string, encoding) | 0;
+ that = createBuffer$1(that, length);
+
+ var actual = that.write(string, encoding);
+
+ if (actual !== length) {
+ // Writing a hex string, for example, that contains invalid characters will
+ // cause everything after the first invalid character to be ignored. (e.g.
+ // 'abxxcd' will be treated as 'ab')
+ that = that.slice(0, actual);
+ }
+
+ return that
+ }
+
+ function fromArrayLike$1 (that, array) {
+ var length = array.length < 0 ? 0 : checked$1(array.length) | 0;
+ that = createBuffer$1(that, length);
+ for (var i = 0; i < length; i += 1) {
+ that[i] = array[i] & 255;
+ }
+ return that
+ }
+
+ function fromArrayBuffer$1 (that, array, byteOffset, length) {
+ array.byteLength; // this throws if `array` is not a valid ArrayBuffer
+
+ if (byteOffset < 0 || array.byteLength < byteOffset) {
+ throw new RangeError('\'offset\' is out of bounds')
+ }
+
+ if (array.byteLength < byteOffset + (length || 0)) {
+ throw new RangeError('\'length\' is out of bounds')
+ }
+
+ if (byteOffset === undefined && length === undefined) {
+ array = new Uint8Array(array);
+ } else if (length === undefined) {
+ array = new Uint8Array(array, byteOffset);
+ } else {
+ array = new Uint8Array(array, byteOffset, length);
+ }
+
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ // Return an augmented `Uint8Array` instance, for best performance
+ that = array;
+ that.__proto__ = Buffer$1.prototype;
+ } else {
+ // Fallback: Return an object instance of the Buffer class
+ that = fromArrayLike$1(that, array);
+ }
+ return that
+ }
+
+ function fromObject$1 (that, obj) {
+ if (internalIsBuffer$1(obj)) {
+ var len = checked$1(obj.length) | 0;
+ that = createBuffer$1(that, len);
+
+ if (that.length === 0) {
+ return that
+ }
+
+ obj.copy(that, 0, 0, len);
+ return that
+ }
+
+ if (obj) {
+ if ((typeof ArrayBuffer !== 'undefined' &&
+ obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
+ if (typeof obj.length !== 'number' || isnan$1(obj.length)) {
+ return createBuffer$1(that, 0)
+ }
+ return fromArrayLike$1(that, obj)
+ }
+
+ if (obj.type === 'Buffer' && isArray$2(obj.data)) {
+ return fromArrayLike$1(that, obj.data)
+ }
+ }
+
+ throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
+ }
+
+ function checked$1 (length) {
+ // Note: cannot use `length < kMaxLength()` here because that fails when
+ // length is NaN (which is otherwise coerced to zero.)
+ if (length >= kMaxLength$1()) {
+ throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+ 'size: 0x' + kMaxLength$1().toString(16) + ' bytes')
+ }
+ return length | 0
+ }
+ Buffer$1.isBuffer = isBuffer$2;
+ function internalIsBuffer$1 (b) {
+ return !!(b != null && b._isBuffer)
+ }
+
+ Buffer$1.compare = function compare (a, b) {
+ if (!internalIsBuffer$1(a) || !internalIsBuffer$1(b)) {
+ throw new TypeError('Arguments must be Buffers')
+ }
+
+ if (a === b) return 0
+
+ var x = a.length;
+ var y = b.length;
+
+ for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+ if (a[i] !== b[i]) {
+ x = a[i];
+ y = b[i];
+ break
+ }
+ }
+
+ if (x < y) return -1
+ if (y < x) return 1
+ return 0
+ };
+
+ Buffer$1.isEncoding = function isEncoding (encoding) {
+ switch (String(encoding).toLowerCase()) {
+ case 'hex':
+ case 'utf8':
+ case 'utf-8':
+ case 'ascii':
+ case 'latin1':
+ case 'binary':
+ case 'base64':
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return true
+ default:
+ return false
+ }
+ };
+
+ Buffer$1.concat = function concat (list, length) {
+ if (!isArray$2(list)) {
+ throw new TypeError('"list" argument must be an Array of Buffers')
+ }
+
+ if (list.length === 0) {
+ return Buffer$1.alloc(0)
+ }
+
+ var i;
+ if (length === undefined) {
+ length = 0;
+ for (i = 0; i < list.length; ++i) {
+ length += list[i].length;
+ }
+ }
+
+ var buffer = Buffer$1.allocUnsafe(length);
+ var pos = 0;
+ for (i = 0; i < list.length; ++i) {
+ var buf = list[i];
+ if (!internalIsBuffer$1(buf)) {
+ throw new TypeError('"list" argument must be an Array of Buffers')
+ }
+ buf.copy(buffer, pos);
+ pos += buf.length;
+ }
+ return buffer
+ };
+
+ function byteLength$1 (string, encoding) {
+ if (internalIsBuffer$1(string)) {
+ return string.length
+ }
+ if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
+ (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
+ return string.byteLength
+ }
+ if (typeof string !== 'string') {
+ string = '' + string;
+ }
+
+ var len = string.length;
+ if (len === 0) return 0
+
+ // Use a for loop to avoid recursion
+ var loweredCase = false;
+ for (;;) {
+ switch (encoding) {
+ case 'ascii':
+ case 'latin1':
+ case 'binary':
+ return len
+ case 'utf8':
+ case 'utf-8':
+ case undefined:
+ return utf8ToBytes$1(string).length
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return len * 2
+ case 'hex':
+ return len >>> 1
+ case 'base64':
+ return base64ToBytes$1(string).length
+ default:
+ if (loweredCase) return utf8ToBytes$1(string).length // assume utf8
+ encoding = ('' + encoding).toLowerCase();
+ loweredCase = true;
+ }
+ }
+ }
+ Buffer$1.byteLength = byteLength$1;
+
+ function slowToString$1 (encoding, start, end) {
+ var loweredCase = false;
+
+ // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+ // property of a typed array.
+
+ // This behaves neither like String nor Uint8Array in that we set start/end
+ // to their upper/lower bounds if the value passed is out of range.
+ // undefined is handled specially as per ECMA-262 6th Edition,
+ // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+ if (start === undefined || start < 0) {
+ start = 0;
+ }
+ // Return early if start > this.length. Done here to prevent potential uint32
+ // coercion fail below.
+ if (start > this.length) {
+ return ''
+ }
+
+ if (end === undefined || end > this.length) {
+ end = this.length;
+ }
+
+ if (end <= 0) {
+ return ''
+ }
+
+ // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+ end >>>= 0;
+ start >>>= 0;
+
+ if (end <= start) {
+ return ''
+ }
+
+ if (!encoding) encoding = 'utf8';
+
+ while (true) {
+ switch (encoding) {
+ case 'hex':
+ return hexSlice$1(this, start, end)
+
+ case 'utf8':
+ case 'utf-8':
+ return utf8Slice$1(this, start, end)
+
+ case 'ascii':
+ return asciiSlice$1(this, start, end)
+
+ case 'latin1':
+ case 'binary':
+ return latin1Slice$1(this, start, end)
+
+ case 'base64':
+ return base64Slice$1(this, start, end)
+
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return utf16leSlice$1(this, start, end)
+
+ default:
+ if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+ encoding = (encoding + '').toLowerCase();
+ loweredCase = true;
+ }
+ }
+ }
+
+ // The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
+ // Buffer instances.
+ Buffer$1.prototype._isBuffer = true;
+
+ function swap$1 (b, n, m) {
+ var i = b[n];
+ b[n] = b[m];
+ b[m] = i;
+ }
+
+ Buffer$1.prototype.swap16 = function swap16 () {
+ var len = this.length;
+ if (len % 2 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 16-bits')
+ }
+ for (var i = 0; i < len; i += 2) {
+ swap$1(this, i, i + 1);
+ }
+ return this
+ };
+
+ Buffer$1.prototype.swap32 = function swap32 () {
+ var len = this.length;
+ if (len % 4 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 32-bits')
+ }
+ for (var i = 0; i < len; i += 4) {
+ swap$1(this, i, i + 3);
+ swap$1(this, i + 1, i + 2);
+ }
+ return this
+ };
+
+ Buffer$1.prototype.swap64 = function swap64 () {
+ var len = this.length;
+ if (len % 8 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 64-bits')
+ }
+ for (var i = 0; i < len; i += 8) {
+ swap$1(this, i, i + 7);
+ swap$1(this, i + 1, i + 6);
+ swap$1(this, i + 2, i + 5);
+ swap$1(this, i + 3, i + 4);
+ }
+ return this
+ };
+
+ Buffer$1.prototype.toString = function toString () {
+ var length = this.length | 0;
+ if (length === 0) return ''
+ if (arguments.length === 0) return utf8Slice$1(this, 0, length)
+ return slowToString$1.apply(this, arguments)
+ };
+
+ Buffer$1.prototype.equals = function equals (b) {
+ if (!internalIsBuffer$1(b)) throw new TypeError('Argument must be a Buffer')
+ if (this === b) return true
+ return Buffer$1.compare(this, b) === 0
+ };
+
+ Buffer$1.prototype.inspect = function inspect () {
+ var str = '';
+ var max = INSPECT_MAX_BYTES$1;
+ if (this.length > 0) {
+ str = this.toString('hex', 0, max).match(/.{2}/g).join(' ');
+ if (this.length > max) str += ' ... ';
+ }
+ return ''
+ };
+
+ Buffer$1.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+ if (!internalIsBuffer$1(target)) {
+ throw new TypeError('Argument must be a Buffer')
+ }
+
+ if (start === undefined) {
+ start = 0;
+ }
+ if (end === undefined) {
+ end = target ? target.length : 0;
+ }
+ if (thisStart === undefined) {
+ thisStart = 0;
+ }
+ if (thisEnd === undefined) {
+ thisEnd = this.length;
+ }
+
+ if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+ throw new RangeError('out of range index')
+ }
+
+ if (thisStart >= thisEnd && start >= end) {
+ return 0
+ }
+ if (thisStart >= thisEnd) {
+ return -1
+ }
+ if (start >= end) {
+ return 1
+ }
+
+ start >>>= 0;
+ end >>>= 0;
+ thisStart >>>= 0;
+ thisEnd >>>= 0;
+
+ if (this === target) return 0
+
+ var x = thisEnd - thisStart;
+ var y = end - start;
+ var len = Math.min(x, y);
+
+ var thisCopy = this.slice(thisStart, thisEnd);
+ var targetCopy = target.slice(start, end);
+
+ for (var i = 0; i < len; ++i) {
+ if (thisCopy[i] !== targetCopy[i]) {
+ x = thisCopy[i];
+ y = targetCopy[i];
+ break
+ }
+ }
+
+ if (x < y) return -1
+ if (y < x) return 1
+ return 0
+ };
+
+ // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+ // OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+ //
+ // Arguments:
+ // - buffer - a Buffer to search
+ // - val - a string, Buffer, or number
+ // - byteOffset - an index into `buffer`; will be clamped to an int32
+ // - encoding - an optional encoding, relevant is val is a string
+ // - dir - true for indexOf, false for lastIndexOf
+ function bidirectionalIndexOf$1 (buffer, val, byteOffset, encoding, dir) {
+ // Empty buffer means no match
+ if (buffer.length === 0) return -1
+
+ // Normalize byteOffset
+ if (typeof byteOffset === 'string') {
+ encoding = byteOffset;
+ byteOffset = 0;
+ } else if (byteOffset > 0x7fffffff) {
+ byteOffset = 0x7fffffff;
+ } else if (byteOffset < -0x80000000) {
+ byteOffset = -0x80000000;
+ }
+ byteOffset = +byteOffset; // Coerce to Number.
+ if (isNaN(byteOffset)) {
+ // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+ byteOffset = dir ? 0 : (buffer.length - 1);
+ }
+
+ // Normalize byteOffset: negative offsets start from the end of the buffer
+ if (byteOffset < 0) byteOffset = buffer.length + byteOffset;
+ if (byteOffset >= buffer.length) {
+ if (dir) return -1
+ else byteOffset = buffer.length - 1;
+ } else if (byteOffset < 0) {
+ if (dir) byteOffset = 0;
+ else return -1
+ }
+
+ // Normalize val
+ if (typeof val === 'string') {
+ val = Buffer$1.from(val, encoding);
+ }
+
+ // Finally, search either indexOf (if dir is true) or lastIndexOf
+ if (internalIsBuffer$1(val)) {
+ // Special case: looking for empty string/buffer always fails
+ if (val.length === 0) {
+ return -1
+ }
+ return arrayIndexOf$1(buffer, val, byteOffset, encoding, dir)
+ } else if (typeof val === 'number') {
+ val = val & 0xFF; // Search for a byte value [0-255]
+ if (Buffer$1.TYPED_ARRAY_SUPPORT &&
+ typeof Uint8Array.prototype.indexOf === 'function') {
+ if (dir) {
+ return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+ } else {
+ return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+ }
+ }
+ return arrayIndexOf$1(buffer, [ val ], byteOffset, encoding, dir)
+ }
+
+ throw new TypeError('val must be string, number or Buffer')
+ }
+
+ function arrayIndexOf$1 (arr, val, byteOffset, encoding, dir) {
+ var indexSize = 1;
+ var arrLength = arr.length;
+ var valLength = val.length;
+
+ if (encoding !== undefined) {
+ encoding = String(encoding).toLowerCase();
+ if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+ encoding === 'utf16le' || encoding === 'utf-16le') {
+ if (arr.length < 2 || val.length < 2) {
+ return -1
+ }
+ indexSize = 2;
+ arrLength /= 2;
+ valLength /= 2;
+ byteOffset /= 2;
+ }
+ }
+
+ function read (buf, i) {
+ if (indexSize === 1) {
+ return buf[i]
+ } else {
+ return buf.readUInt16BE(i * indexSize)
+ }
+ }
+
+ var i;
+ if (dir) {
+ var foundIndex = -1;
+ for (i = byteOffset; i < arrLength; i++) {
+ if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+ if (foundIndex === -1) foundIndex = i;
+ if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+ } else {
+ if (foundIndex !== -1) i -= i - foundIndex;
+ foundIndex = -1;
+ }
+ }
+ } else {
+ if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;
+ for (i = byteOffset; i >= 0; i--) {
+ var found = true;
+ for (var j = 0; j < valLength; j++) {
+ if (read(arr, i + j) !== read(val, j)) {
+ found = false;
+ break
+ }
+ }
+ if (found) return i
+ }
+ }
+
+ return -1
+ }
+
+ Buffer$1.prototype.includes = function includes (val, byteOffset, encoding) {
+ return this.indexOf(val, byteOffset, encoding) !== -1
+ };
+
+ Buffer$1.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+ return bidirectionalIndexOf$1(this, val, byteOffset, encoding, true)
+ };
+
+ Buffer$1.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+ return bidirectionalIndexOf$1(this, val, byteOffset, encoding, false)
+ };
+
+ function hexWrite$1 (buf, string, offset, length) {
+ offset = Number(offset) || 0;
+ var remaining = buf.length - offset;
+ if (!length) {
+ length = remaining;
+ } else {
+ length = Number(length);
+ if (length > remaining) {
+ length = remaining;
+ }
+ }
+
+ // must be an even number of digits
+ var strLen = string.length;
+ if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
+
+ if (length > strLen / 2) {
+ length = strLen / 2;
+ }
+ for (var i = 0; i < length; ++i) {
+ var parsed = parseInt(string.substr(i * 2, 2), 16);
+ if (isNaN(parsed)) return i
+ buf[offset + i] = parsed;
+ }
+ return i
+ }
+
+ function utf8Write$1 (buf, string, offset, length) {
+ return blitBuffer$1(utf8ToBytes$1(string, buf.length - offset), buf, offset, length)
+ }
+
+ function asciiWrite$1 (buf, string, offset, length) {
+ return blitBuffer$1(asciiToBytes$1(string), buf, offset, length)
+ }
+
+ function latin1Write$1 (buf, string, offset, length) {
+ return asciiWrite$1(buf, string, offset, length)
+ }
+
+ function base64Write$1 (buf, string, offset, length) {
+ return blitBuffer$1(base64ToBytes$1(string), buf, offset, length)
+ }
+
+ function ucs2Write$1 (buf, string, offset, length) {
+ return blitBuffer$1(utf16leToBytes$1(string, buf.length - offset), buf, offset, length)
+ }
+
+ Buffer$1.prototype.write = function write (string, offset, length, encoding) {
+ // Buffer#write(string)
+ if (offset === undefined) {
+ encoding = 'utf8';
+ length = this.length;
+ offset = 0;
+ // Buffer#write(string, encoding)
+ } else if (length === undefined && typeof offset === 'string') {
+ encoding = offset;
+ length = this.length;
+ offset = 0;
+ // Buffer#write(string, offset[, length][, encoding])
+ } else if (isFinite(offset)) {
+ offset = offset | 0;
+ if (isFinite(length)) {
+ length = length | 0;
+ if (encoding === undefined) encoding = 'utf8';
+ } else {
+ encoding = length;
+ length = undefined;
+ }
+ // legacy write(string, encoding, offset, length) - remove in v0.13
+ } else {
+ throw new Error(
+ 'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+ )
+ }
+
+ var remaining = this.length - offset;
+ if (length === undefined || length > remaining) length = remaining;
+
+ if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+ throw new RangeError('Attempt to write outside buffer bounds')
+ }
+
+ if (!encoding) encoding = 'utf8';
+
+ var loweredCase = false;
+ for (;;) {
+ switch (encoding) {
+ case 'hex':
+ return hexWrite$1(this, string, offset, length)
+
+ case 'utf8':
+ case 'utf-8':
+ return utf8Write$1(this, string, offset, length)
+
+ case 'ascii':
+ return asciiWrite$1(this, string, offset, length)
+
+ case 'latin1':
+ case 'binary':
+ return latin1Write$1(this, string, offset, length)
+
+ case 'base64':
+ // Warning: maxLength not taken into account in base64Write
+ return base64Write$1(this, string, offset, length)
+
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return ucs2Write$1(this, string, offset, length)
+
+ default:
+ if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+ encoding = ('' + encoding).toLowerCase();
+ loweredCase = true;
+ }
+ }
+ };
+
+ Buffer$1.prototype.toJSON = function toJSON () {
+ return {
+ type: 'Buffer',
+ data: Array.prototype.slice.call(this._arr || this, 0)
+ }
+ };
+
+ function base64Slice$1 (buf, start, end) {
+ if (start === 0 && end === buf.length) {
+ return fromByteArray$1(buf)
+ } else {
+ return fromByteArray$1(buf.slice(start, end))
+ }
+ }
+
+ function utf8Slice$1 (buf, start, end) {
+ end = Math.min(buf.length, end);
+ var res = [];
+
+ var i = start;
+ while (i < end) {
+ var firstByte = buf[i];
+ var codePoint = null;
+ var bytesPerSequence = (firstByte > 0xEF) ? 4
+ : (firstByte > 0xDF) ? 3
+ : (firstByte > 0xBF) ? 2
+ : 1;
+
+ if (i + bytesPerSequence <= end) {
+ var secondByte, thirdByte, fourthByte, tempCodePoint;
+
+ switch (bytesPerSequence) {
+ case 1:
+ if (firstByte < 0x80) {
+ codePoint = firstByte;
+ }
+ break
+ case 2:
+ secondByte = buf[i + 1];
+ if ((secondByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F);
+ if (tempCodePoint > 0x7F) {
+ codePoint = tempCodePoint;
+ }
+ }
+ break
+ case 3:
+ secondByte = buf[i + 1];
+ thirdByte = buf[i + 2];
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F);
+ if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+ codePoint = tempCodePoint;
+ }
+ }
+ break
+ case 4:
+ secondByte = buf[i + 1];
+ thirdByte = buf[i + 2];
+ fourthByte = buf[i + 3];
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F);
+ if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+ codePoint = tempCodePoint;
+ }
+ }
+ }
+ }
+
+ if (codePoint === null) {
+ // we did not generate a valid codePoint so insert a
+ // replacement char (U+FFFD) and advance only 1 byte
+ codePoint = 0xFFFD;
+ bytesPerSequence = 1;
+ } else if (codePoint > 0xFFFF) {
+ // encode to utf16 (surrogate pair dance)
+ codePoint -= 0x10000;
+ res.push(codePoint >>> 10 & 0x3FF | 0xD800);
+ codePoint = 0xDC00 | codePoint & 0x3FF;
+ }
+
+ res.push(codePoint);
+ i += bytesPerSequence;
+ }
+
+ return decodeCodePointsArray$1(res)
+ }
+
+ // Based on http://stackoverflow.com/a/22747272/680742, the browser with
+ // the lowest limit is Chrome, with 0x10000 args.
+ // We go 1 magnitude less, for safety
+ var MAX_ARGUMENTS_LENGTH$1 = 0x1000;
+
+ function decodeCodePointsArray$1 (codePoints) {
+ var len = codePoints.length;
+ if (len <= MAX_ARGUMENTS_LENGTH$1) {
+ return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+ }
+
+ // Decode in chunks to avoid "call stack size exceeded".
+ var res = '';
+ var i = 0;
+ while (i < len) {
+ res += String.fromCharCode.apply(
+ String,
+ codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH$1)
+ );
+ }
+ return res
+ }
+
+ function asciiSlice$1 (buf, start, end) {
+ var ret = '';
+ end = Math.min(buf.length, end);
+
+ for (var i = start; i < end; ++i) {
+ ret += String.fromCharCode(buf[i] & 0x7F);
+ }
+ return ret
+ }
+
+ function latin1Slice$1 (buf, start, end) {
+ var ret = '';
+ end = Math.min(buf.length, end);
+
+ for (var i = start; i < end; ++i) {
+ ret += String.fromCharCode(buf[i]);
+ }
+ return ret
+ }
+
+ function hexSlice$1 (buf, start, end) {
+ var len = buf.length;
+
+ if (!start || start < 0) start = 0;
+ if (!end || end < 0 || end > len) end = len;
+
+ var out = '';
+ for (var i = start; i < end; ++i) {
+ out += toHex$1(buf[i]);
+ }
+ return out
+ }
+
+ function utf16leSlice$1 (buf, start, end) {
+ var bytes = buf.slice(start, end);
+ var res = '';
+ for (var i = 0; i < bytes.length; i += 2) {
+ res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
+ }
+ return res
+ }
+
+ Buffer$1.prototype.slice = function slice (start, end) {
+ var len = this.length;
+ start = ~~start;
+ end = end === undefined ? len : ~~end;
+
+ if (start < 0) {
+ start += len;
+ if (start < 0) start = 0;
+ } else if (start > len) {
+ start = len;
+ }
+
+ if (end < 0) {
+ end += len;
+ if (end < 0) end = 0;
+ } else if (end > len) {
+ end = len;
+ }
+
+ if (end < start) end = start;
+
+ var newBuf;
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ newBuf = this.subarray(start, end);
+ newBuf.__proto__ = Buffer$1.prototype;
+ } else {
+ var sliceLen = end - start;
+ newBuf = new Buffer$1(sliceLen, undefined);
+ for (var i = 0; i < sliceLen; ++i) {
+ newBuf[i] = this[i + start];
+ }
+ }
+
+ return newBuf
+ };
+
+ /*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+ function checkOffset$1 (offset, ext, length) {
+ if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+ if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+ }
+
+ Buffer$1.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) checkOffset$1(offset, byteLength, this.length);
+
+ var val = this[offset];
+ var mul = 1;
+ var i = 0;
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul;
+ }
+
+ return val
+ };
+
+ Buffer$1.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) {
+ checkOffset$1(offset, byteLength, this.length);
+ }
+
+ var val = this[offset + --byteLength];
+ var mul = 1;
+ while (byteLength > 0 && (mul *= 0x100)) {
+ val += this[offset + --byteLength] * mul;
+ }
+
+ return val
+ };
+
+ Buffer$1.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 1, this.length);
+ return this[offset]
+ };
+
+ Buffer$1.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 2, this.length);
+ return this[offset] | (this[offset + 1] << 8)
+ };
+
+ Buffer$1.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 2, this.length);
+ return (this[offset] << 8) | this[offset + 1]
+ };
+
+ Buffer$1.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 4, this.length);
+
+ return ((this[offset]) |
+ (this[offset + 1] << 8) |
+ (this[offset + 2] << 16)) +
+ (this[offset + 3] * 0x1000000)
+ };
+
+ Buffer$1.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 4, this.length);
+
+ return (this[offset] * 0x1000000) +
+ ((this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ this[offset + 3])
+ };
+
+ Buffer$1.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) checkOffset$1(offset, byteLength, this.length);
+
+ var val = this[offset];
+ var mul = 1;
+ var i = 0;
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul;
+ }
+ mul *= 0x80;
+
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+
+ return val
+ };
+
+ Buffer$1.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) checkOffset$1(offset, byteLength, this.length);
+
+ var i = byteLength;
+ var mul = 1;
+ var val = this[offset + --i];
+ while (i > 0 && (mul *= 0x100)) {
+ val += this[offset + --i] * mul;
+ }
+ mul *= 0x80;
+
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+
+ return val
+ };
+
+ Buffer$1.prototype.readInt8 = function readInt8 (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 1, this.length);
+ if (!(this[offset] & 0x80)) return (this[offset])
+ return ((0xff - this[offset] + 1) * -1)
+ };
+
+ Buffer$1.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 2, this.length);
+ var val = this[offset] | (this[offset + 1] << 8);
+ return (val & 0x8000) ? val | 0xFFFF0000 : val
+ };
+
+ Buffer$1.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 2, this.length);
+ var val = this[offset + 1] | (this[offset] << 8);
+ return (val & 0x8000) ? val | 0xFFFF0000 : val
+ };
+
+ Buffer$1.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 4, this.length);
+
+ return (this[offset]) |
+ (this[offset + 1] << 8) |
+ (this[offset + 2] << 16) |
+ (this[offset + 3] << 24)
+ };
+
+ Buffer$1.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 4, this.length);
+
+ return (this[offset] << 24) |
+ (this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ (this[offset + 3])
+ };
+
+ Buffer$1.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 4, this.length);
+ return read$1(this, offset, true, 23, 4)
+ };
+
+ Buffer$1.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 4, this.length);
+ return read$1(this, offset, false, 23, 4)
+ };
+
+ Buffer$1.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 8, this.length);
+ return read$1(this, offset, true, 52, 8)
+ };
+
+ Buffer$1.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+ if (!noAssert) checkOffset$1(offset, 8, this.length);
+ return read$1(this, offset, false, 52, 8)
+ };
+
+ function checkInt$1 (buf, value, offset, ext, max, min) {
+ if (!internalIsBuffer$1(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+ if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+ if (offset + ext > buf.length) throw new RangeError('Index out of range')
+ }
+
+ Buffer$1.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) {
+ var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+ checkInt$1(this, value, offset, byteLength, maxBytes, 0);
+ }
+
+ var mul = 1;
+ var i = 0;
+ this[offset] = value & 0xFF;
+ while (++i < byteLength && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF;
+ }
+
+ return offset + byteLength
+ };
+
+ Buffer$1.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) {
+ var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+ checkInt$1(this, value, offset, byteLength, maxBytes, 0);
+ }
+
+ var i = byteLength - 1;
+ var mul = 1;
+ this[offset + i] = value & 0xFF;
+ while (--i >= 0 && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF;
+ }
+
+ return offset + byteLength
+ };
+
+ Buffer$1.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt$1(this, value, offset, 1, 0xff, 0);
+ if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
+ this[offset] = (value & 0xff);
+ return offset + 1
+ };
+
+ function objectWriteUInt16$1 (buf, value, offset, littleEndian) {
+ if (value < 0) value = 0xffff + value + 1;
+ for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
+ buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
+ (littleEndian ? i : 1 - i) * 8;
+ }
+ }
+
+ Buffer$1.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt$1(this, value, offset, 2, 0xffff, 0);
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff);
+ this[offset + 1] = (value >>> 8);
+ } else {
+ objectWriteUInt16$1(this, value, offset, true);
+ }
+ return offset + 2
+ };
+
+ Buffer$1.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt$1(this, value, offset, 2, 0xffff, 0);
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 8);
+ this[offset + 1] = (value & 0xff);
+ } else {
+ objectWriteUInt16$1(this, value, offset, false);
+ }
+ return offset + 2
+ };
+
+ function objectWriteUInt32$1 (buf, value, offset, littleEndian) {
+ if (value < 0) value = 0xffffffff + value + 1;
+ for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
+ buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff;
+ }
+ }
+
+ Buffer$1.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt$1(this, value, offset, 4, 0xffffffff, 0);
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ this[offset + 3] = (value >>> 24);
+ this[offset + 2] = (value >>> 16);
+ this[offset + 1] = (value >>> 8);
+ this[offset] = (value & 0xff);
+ } else {
+ objectWriteUInt32$1(this, value, offset, true);
+ }
+ return offset + 4
+ };
+
+ Buffer$1.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt$1(this, value, offset, 4, 0xffffffff, 0);
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 24);
+ this[offset + 1] = (value >>> 16);
+ this[offset + 2] = (value >>> 8);
+ this[offset + 3] = (value & 0xff);
+ } else {
+ objectWriteUInt32$1(this, value, offset, false);
+ }
+ return offset + 4
+ };
+
+ Buffer$1.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) {
+ var limit = Math.pow(2, 8 * byteLength - 1);
+
+ checkInt$1(this, value, offset, byteLength, limit - 1, -limit);
+ }
+
+ var i = 0;
+ var mul = 1;
+ var sub = 0;
+ this[offset] = value & 0xFF;
+ while (++i < byteLength && (mul *= 0x100)) {
+ if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+ sub = 1;
+ }
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF;
+ }
+
+ return offset + byteLength
+ };
+
+ Buffer$1.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) {
+ var limit = Math.pow(2, 8 * byteLength - 1);
+
+ checkInt$1(this, value, offset, byteLength, limit - 1, -limit);
+ }
+
+ var i = byteLength - 1;
+ var mul = 1;
+ var sub = 0;
+ this[offset + i] = value & 0xFF;
+ while (--i >= 0 && (mul *= 0x100)) {
+ if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+ sub = 1;
+ }
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF;
+ }
+
+ return offset + byteLength
+ };
+
+ Buffer$1.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt$1(this, value, offset, 1, 0x7f, -0x80);
+ if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
+ if (value < 0) value = 0xff + value + 1;
+ this[offset] = (value & 0xff);
+ return offset + 1
+ };
+
+ Buffer$1.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt$1(this, value, offset, 2, 0x7fff, -0x8000);
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff);
+ this[offset + 1] = (value >>> 8);
+ } else {
+ objectWriteUInt16$1(this, value, offset, true);
+ }
+ return offset + 2
+ };
+
+ Buffer$1.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt$1(this, value, offset, 2, 0x7fff, -0x8000);
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 8);
+ this[offset + 1] = (value & 0xff);
+ } else {
+ objectWriteUInt16$1(this, value, offset, false);
+ }
+ return offset + 2
+ };
+
+ Buffer$1.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt$1(this, value, offset, 4, 0x7fffffff, -0x80000000);
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff);
+ this[offset + 1] = (value >>> 8);
+ this[offset + 2] = (value >>> 16);
+ this[offset + 3] = (value >>> 24);
+ } else {
+ objectWriteUInt32$1(this, value, offset, true);
+ }
+ return offset + 4
+ };
+
+ Buffer$1.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt$1(this, value, offset, 4, 0x7fffffff, -0x80000000);
+ if (value < 0) value = 0xffffffff + value + 1;
+ if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 24);
+ this[offset + 1] = (value >>> 16);
+ this[offset + 2] = (value >>> 8);
+ this[offset + 3] = (value & 0xff);
+ } else {
+ objectWriteUInt32$1(this, value, offset, false);
+ }
+ return offset + 4
+ };
+
+ function checkIEEE754$1 (buf, value, offset, ext, max, min) {
+ if (offset + ext > buf.length) throw new RangeError('Index out of range')
+ if (offset < 0) throw new RangeError('Index out of range')
+ }
+
+ function writeFloat$1 (buf, value, offset, littleEndian, noAssert) {
+ if (!noAssert) {
+ checkIEEE754$1(buf, value, offset, 4);
+ }
+ write$1(buf, value, offset, littleEndian, 23, 4);
+ return offset + 4
+ }
+
+ Buffer$1.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+ return writeFloat$1(this, value, offset, true, noAssert)
+ };
+
+ Buffer$1.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+ return writeFloat$1(this, value, offset, false, noAssert)
+ };
+
+ function writeDouble$1 (buf, value, offset, littleEndian, noAssert) {
+ if (!noAssert) {
+ checkIEEE754$1(buf, value, offset, 8);
+ }
+ write$1(buf, value, offset, littleEndian, 52, 8);
+ return offset + 8
+ }
+
+ Buffer$1.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+ return writeDouble$1(this, value, offset, true, noAssert)
+ };
+
+ Buffer$1.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+ return writeDouble$1(this, value, offset, false, noAssert)
+ };
+
+ // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+ Buffer$1.prototype.copy = function copy (target, targetStart, start, end) {
+ if (!start) start = 0;
+ if (!end && end !== 0) end = this.length;
+ if (targetStart >= target.length) targetStart = target.length;
+ if (!targetStart) targetStart = 0;
+ if (end > 0 && end < start) end = start;
+
+ // Copy 0 bytes; we're done
+ if (end === start) return 0
+ if (target.length === 0 || this.length === 0) return 0
+
+ // Fatal error conditions
+ if (targetStart < 0) {
+ throw new RangeError('targetStart out of bounds')
+ }
+ if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
+ if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+ // Are we oob?
+ if (end > this.length) end = this.length;
+ if (target.length - targetStart < end - start) {
+ end = target.length - targetStart + start;
+ }
+
+ var len = end - start;
+ var i;
+
+ if (this === target && start < targetStart && targetStart < end) {
+ // descending copy from end
+ for (i = len - 1; i >= 0; --i) {
+ target[i + targetStart] = this[i + start];
+ }
+ } else if (len < 1000 || !Buffer$1.TYPED_ARRAY_SUPPORT) {
+ // ascending copy from start
+ for (i = 0; i < len; ++i) {
+ target[i + targetStart] = this[i + start];
+ }
+ } else {
+ Uint8Array.prototype.set.call(
+ target,
+ this.subarray(start, start + len),
+ targetStart
+ );
+ }
+
+ return len
+ };
+
+ // Usage:
+ // buffer.fill(number[, offset[, end]])
+ // buffer.fill(buffer[, offset[, end]])
+ // buffer.fill(string[, offset[, end]][, encoding])
+ Buffer$1.prototype.fill = function fill (val, start, end, encoding) {
+ // Handle string cases:
+ if (typeof val === 'string') {
+ if (typeof start === 'string') {
+ encoding = start;
+ start = 0;
+ end = this.length;
+ } else if (typeof end === 'string') {
+ encoding = end;
+ end = this.length;
+ }
+ if (val.length === 1) {
+ var code = val.charCodeAt(0);
+ if (code < 256) {
+ val = code;
+ }
+ }
+ if (encoding !== undefined && typeof encoding !== 'string') {
+ throw new TypeError('encoding must be a string')
+ }
+ if (typeof encoding === 'string' && !Buffer$1.isEncoding(encoding)) {
+ throw new TypeError('Unknown encoding: ' + encoding)
+ }
+ } else if (typeof val === 'number') {
+ val = val & 255;
+ }
+
+ // Invalid ranges are not set to a default, so can range check early.
+ if (start < 0 || this.length < start || this.length < end) {
+ throw new RangeError('Out of range index')
+ }
+
+ if (end <= start) {
+ return this
+ }
+
+ start = start >>> 0;
+ end = end === undefined ? this.length : end >>> 0;
+
+ if (!val) val = 0;
+
+ var i;
+ if (typeof val === 'number') {
+ for (i = start; i < end; ++i) {
+ this[i] = val;
+ }
+ } else {
+ var bytes = internalIsBuffer$1(val)
+ ? val
+ : utf8ToBytes$1(new Buffer$1(val, encoding).toString());
+ var len = bytes.length;
+ for (i = 0; i < end - start; ++i) {
+ this[i + start] = bytes[i % len];
+ }
+ }
+
+ return this
+ };
+
+ // HELPER FUNCTIONS
+ // ================
+
+ var INVALID_BASE64_RE$1 = /[^+\/0-9A-Za-z-_]/g;
+
+ function base64clean$1 (str) {
+ // Node strips out invalid characters like \n and \t from the string, base64-js does not
+ str = stringtrim$1(str).replace(INVALID_BASE64_RE$1, '');
+ // Node converts strings with length < 2 to ''
+ if (str.length < 2) return ''
+ // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+ while (str.length % 4 !== 0) {
+ str = str + '=';
+ }
+ return str
+ }
+
+ function stringtrim$1 (str) {
+ if (str.trim) return str.trim()
+ return str.replace(/^\s+|\s+$/g, '')
+ }
+
+ function toHex$1 (n) {
+ if (n < 16) return '0' + n.toString(16)
+ return n.toString(16)
+ }
+
+ function utf8ToBytes$1 (string, units) {
+ units = units || Infinity;
+ var codePoint;
+ var length = string.length;
+ var leadSurrogate = null;
+ var bytes = [];
+
+ for (var i = 0; i < length; ++i) {
+ codePoint = string.charCodeAt(i);
+
+ // is surrogate component
+ if (codePoint > 0xD7FF && codePoint < 0xE000) {
+ // last char was a lead
+ if (!leadSurrogate) {
+ // no lead yet
+ if (codePoint > 0xDBFF) {
+ // unexpected trail
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+ continue
+ } else if (i + 1 === length) {
+ // unpaired lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+ continue
+ }
+
+ // valid lead
+ leadSurrogate = codePoint;
+
+ continue
+ }
+
+ // 2 leads in a row
+ if (codePoint < 0xDC00) {
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+ leadSurrogate = codePoint;
+ continue
+ }
+
+ // valid surrogate pair
+ codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
+ } else if (leadSurrogate) {
+ // valid bmp char, but last char was a lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+ }
+
+ leadSurrogate = null;
+
+ // encode utf8
+ if (codePoint < 0x80) {
+ if ((units -= 1) < 0) break
+ bytes.push(codePoint);
+ } else if (codePoint < 0x800) {
+ if ((units -= 2) < 0) break
+ bytes.push(
+ codePoint >> 0x6 | 0xC0,
+ codePoint & 0x3F | 0x80
+ );
+ } else if (codePoint < 0x10000) {
+ if ((units -= 3) < 0) break
+ bytes.push(
+ codePoint >> 0xC | 0xE0,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ );
+ } else if (codePoint < 0x110000) {
+ if ((units -= 4) < 0) break
+ bytes.push(
+ codePoint >> 0x12 | 0xF0,
+ codePoint >> 0xC & 0x3F | 0x80,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ );
+ } else {
+ throw new Error('Invalid code point')
+ }
+ }
+
+ return bytes
+ }
+
+ function asciiToBytes$1 (str) {
+ var byteArray = [];
+ for (var i = 0; i < str.length; ++i) {
+ // Node's code seems to be doing this and not & 0x7F..
+ byteArray.push(str.charCodeAt(i) & 0xFF);
+ }
+ return byteArray
+ }
+
+ function utf16leToBytes$1 (str, units) {
+ var c, hi, lo;
+ var byteArray = [];
+ for (var i = 0; i < str.length; ++i) {
+ if ((units -= 2) < 0) break
+
+ c = str.charCodeAt(i);
+ hi = c >> 8;
+ lo = c % 256;
+ byteArray.push(lo);
+ byteArray.push(hi);
+ }
+
+ return byteArray
+ }
+
+
+ function base64ToBytes$1 (str) {
+ return toByteArray$1(base64clean$1(str))
+ }
+
+ function blitBuffer$1 (src, dst, offset, length) {
+ for (var i = 0; i < length; ++i) {
+ if ((i + offset >= dst.length) || (i >= src.length)) break
+ dst[i + offset] = src[i];
+ }
+ return i
+ }
+
+ function isnan$1 (val) {
+ return val !== val // eslint-disable-line no-self-compare
+ }
+
+
+ // the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence
+ // The _isBuffer check is for Safari 5-7 support, because it's missing
+ // Object.prototype.constructor. Remove this eventually
+ function isBuffer$2(obj) {
+ return obj != null && (!!obj._isBuffer || isFastBuffer$1(obj) || isSlowBuffer$1(obj))
+ }
+
+ function isFastBuffer$1 (obj) {
+ return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
+ }
+
+ // For Node v0.10 support. Remove this eventually.
+ function isSlowBuffer$1 (obj) {
+ return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer$1(obj.slice(0, 0))
+ }
+
+ // shim for using process in browser
+ // based off https://github.com/defunctzombie/node-process/blob/master/browser.js
+
+ function defaultSetTimout() {
+ throw new Error('setTimeout has not been defined');
+ }
+ function defaultClearTimeout () {
+ throw new Error('clearTimeout has not been defined');
+ }
+ var cachedSetTimeout = defaultSetTimout;
+ var cachedClearTimeout = defaultClearTimeout;
+ if (typeof global$2.setTimeout === 'function') {
+ cachedSetTimeout = setTimeout;
+ }
+ if (typeof global$2.clearTimeout === 'function') {
+ cachedClearTimeout = clearTimeout;
+ }
+
+ function runTimeout(fun) {
+ if (cachedSetTimeout === setTimeout) {
+ //normal enviroments in sane situations
+ return setTimeout(fun, 0);
+ }
+ // if setTimeout wasn't available but was latter defined
+ if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+ cachedSetTimeout = setTimeout;
+ return setTimeout(fun, 0);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedSetTimeout(fun, 0);
+ } catch(e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedSetTimeout.call(null, fun, 0);
+ } catch(e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+ return cachedSetTimeout.call(this, fun, 0);
+ }
+ }
+
+
+ }
+ function runClearTimeout(marker) {
+ if (cachedClearTimeout === clearTimeout) {
+ //normal enviroments in sane situations
+ return clearTimeout(marker);
+ }
+ // if clearTimeout wasn't available but was latter defined
+ if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+ cachedClearTimeout = clearTimeout;
+ return clearTimeout(marker);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedClearTimeout(marker);
+ } catch (e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedClearTimeout.call(null, marker);
+ } catch (e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+ // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+ return cachedClearTimeout.call(this, marker);
+ }
+ }
+
+
+
+ }
+ var queue = [];
+ var draining = false;
+ var currentQueue;
+ var queueIndex = -1;
+
+ function cleanUpNextTick() {
+ if (!draining || !currentQueue) {
+ return;
+ }
+ draining = false;
+ if (currentQueue.length) {
+ queue = currentQueue.concat(queue);
+ } else {
+ queueIndex = -1;
+ }
+ if (queue.length) {
+ drainQueue();
+ }
+ }
+
+ function drainQueue() {
+ if (draining) {
+ return;
+ }
+ var timeout = runTimeout(cleanUpNextTick);
+ draining = true;
+
+ var len = queue.length;
+ while(len) {
+ currentQueue = queue;
+ queue = [];
+ while (++queueIndex < len) {
+ if (currentQueue) {
+ currentQueue[queueIndex].run();
+ }
+ }
+ queueIndex = -1;
+ len = queue.length;
+ }
+ currentQueue = null;
+ draining = false;
+ runClearTimeout(timeout);
+ }
+ function nextTick(fun) {
+ var args = new Array(arguments.length - 1);
+ if (arguments.length > 1) {
+ for (var i = 1; i < arguments.length; i++) {
+ args[i - 1] = arguments[i];
+ }
+ }
+ queue.push(new Item(fun, args));
+ if (queue.length === 1 && !draining) {
+ runTimeout(drainQueue);
+ }
+ }
+ // v8 likes predictible objects
+ function Item(fun, array) {
+ this.fun = fun;
+ this.array = array;
+ }
+ Item.prototype.run = function () {
+ this.fun.apply(null, this.array);
+ };
+ var title = 'browser';
+ var platform = 'browser';
+ var browser$3 = true;
+ var env = {};
+ var argv = [];
+ var version$1 = ''; // empty string to avoid regexp issues
+ var versions = {};
+ var release = {};
+ var config = {};
+
+ function noop() {}
+
+ var on = noop;
+ var addListener = noop;
+ var once = noop;
+ var off = noop;
+ var removeListener = noop;
+ var removeAllListeners = noop;
+ var emit = noop;
+
+ function binding(name) {
+ throw new Error('process.binding is not supported');
+ }
+
+ function cwd () { return '/' }
+ function chdir (dir) {
+ throw new Error('process.chdir is not supported');
+ }function umask() { return 0; }
+
+ // from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js
+ var performance = global$2.performance || {};
+ var performanceNow =
+ performance.now ||
+ performance.mozNow ||
+ performance.msNow ||
+ performance.oNow ||
+ performance.webkitNow ||
+ function(){ return (new Date()).getTime() };
+
+ // generate timestamp or delta
+ // see http://nodejs.org/api/process.html#process_process_hrtime
+ function hrtime(previousTimestamp){
+ var clocktime = performanceNow.call(performance)*1e-3;
+ var seconds = Math.floor(clocktime);
+ var nanoseconds = Math.floor((clocktime%1)*1e9);
+ if (previousTimestamp) {
+ seconds = seconds - previousTimestamp[0];
+ nanoseconds = nanoseconds - previousTimestamp[1];
+ if (nanoseconds<0) {
+ seconds--;
+ nanoseconds += 1e9;
+ }
+ }
+ return [seconds,nanoseconds]
+ }
+
+ var startTime = new Date();
+ function uptime() {
+ var currentTime = new Date();
+ var dif = currentTime - startTime;
+ return dif / 1000;
+ }
+
+ var browser$1$1 = {
+ nextTick: nextTick,
+ title: title,
+ browser: browser$3,
+ env: env,
+ argv: argv,
+ version: version$1,
+ versions: versions,
+ on: on,
+ addListener: addListener,
+ once: once,
+ off: off,
+ removeListener: removeListener,
+ removeAllListeners: removeAllListeners,
+ emit: emit,
+ binding: binding,
+ cwd: cwd,
+ chdir: chdir,
+ umask: umask,
+ hrtime: hrtime,
+ platform: platform,
+ release: release,
+ config: config,
+ uptime: uptime
+ };
+
+ var inherits$2;
+ if (typeof Object.create === 'function'){
+ inherits$2 = function inherits(ctor, superCtor) {
+ // implementation from standard node.js 'util' module
+ ctor.super_ = superCtor;
+ ctor.prototype = Object.create(superCtor.prototype, {
+ constructor: {
+ value: ctor,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+ };
+ } else {
+ inherits$2 = function inherits(ctor, superCtor) {
+ ctor.super_ = superCtor;
+ var TempCtor = function () {};
+ TempCtor.prototype = superCtor.prototype;
+ ctor.prototype = new TempCtor();
+ ctor.prototype.constructor = ctor;
+ };
+ }
+ var inherits$3 = inherits$2;
+
+ var formatRegExp = /%[sdj%]/g;
+ function format$1(f) {
+ if (!isString$1(f)) {
+ var objects = [];
+ for (var i = 0; i < arguments.length; i++) {
+ objects.push(inspect(arguments[i]));
+ }
+ return objects.join(' ');
+ }
+
+ var i = 1;
+ var args = arguments;
+ var len = args.length;
+ var str = String(f).replace(formatRegExp, function(x) {
+ if (x === '%%') return '%';
+ if (i >= len) return x;
+ switch (x) {
+ case '%s': return String(args[i++]);
+ case '%d': return Number(args[i++]);
+ case '%j':
+ try {
+ return JSON.stringify(args[i++]);
+ } catch (_) {
+ return '[Circular]';
+ }
+ default:
+ return x;
+ }
+ });
+ for (var x = args[i]; i < len; x = args[++i]) {
+ if (isNull(x) || !isObject(x)) {
+ str += ' ' + x;
+ } else {
+ str += ' ' + inspect(x);
+ }
+ }
+ return str;
+ }
+
+ // Mark that a method should not be used.
+ // Returns a modified function which warns once by default.
+ // If --no-deprecation is set, then it is a no-op.
+ function deprecate$1(fn, msg) {
+ // Allow for deprecating things in the process of starting up.
+ if (isUndefined(global$2.process)) {
+ return function() {
+ return deprecate$1(fn, msg).apply(this, arguments);
+ };
+ }
+
+ if (browser$1$1.noDeprecation === true) {
+ return fn;
+ }
+
+ var warned = false;
+ function deprecated() {
+ if (!warned) {
+ if (browser$1$1.throwDeprecation) {
+ throw new Error(msg);
+ } else if (browser$1$1.traceDeprecation) {
+ console.trace(msg);
+ } else {
+ console.error(msg);
+ }
+ warned = true;
+ }
+ return fn.apply(this, arguments);
+ }
+
+ return deprecated;
+ }
+
+ var debugs = {};
+ var debugEnviron;
+ function debuglog(set) {
+ if (isUndefined(debugEnviron))
+ debugEnviron = browser$1$1.env.NODE_DEBUG || '';
+ set = set.toUpperCase();
+ if (!debugs[set]) {
+ if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
+ var pid = 0;
+ debugs[set] = function() {
+ var msg = format$1.apply(null, arguments);
+ console.error('%s %d: %s', set, pid, msg);
+ };
+ } else {
+ debugs[set] = function() {};
+ }
+ }
+ return debugs[set];
+ }
+
+ /**
+ * Echos the value of a value. Trys to print the value out
+ * in the best way possible given the different types.
+ *
+ * @param {Object} obj The object to print out.
+ * @param {Object} opts Optional options object that alters the output.
+ */
+ /* legacy: obj, showHidden, depth, colors*/
+ function inspect(obj, opts) {
+ // default options
+ var ctx = {
+ seen: [],
+ stylize: stylizeNoColor
+ };
+ // legacy...
+ if (arguments.length >= 3) ctx.depth = arguments[2];
+ if (arguments.length >= 4) ctx.colors = arguments[3];
+ if (isBoolean(opts)) {
+ // legacy...
+ ctx.showHidden = opts;
+ } else if (opts) {
+ // got an "options" object
+ _extend(ctx, opts);
+ }
+ // set default options
+ if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
+ if (isUndefined(ctx.depth)) ctx.depth = 2;
+ if (isUndefined(ctx.colors)) ctx.colors = false;
+ if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
+ if (ctx.colors) ctx.stylize = stylizeWithColor;
+ return formatValue(ctx, obj, ctx.depth);
+ }
+
+ // http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+ inspect.colors = {
+ 'bold' : [1, 22],
+ 'italic' : [3, 23],
+ 'underline' : [4, 24],
+ 'inverse' : [7, 27],
+ 'white' : [37, 39],
+ 'grey' : [90, 39],
+ 'black' : [30, 39],
+ 'blue' : [34, 39],
+ 'cyan' : [36, 39],
+ 'green' : [32, 39],
+ 'magenta' : [35, 39],
+ 'red' : [31, 39],
+ 'yellow' : [33, 39]
+ };
+
+ // Don't use 'blue' not visible on cmd.exe
+ inspect.styles = {
+ 'special': 'cyan',
+ 'number': 'yellow',
+ 'boolean': 'yellow',
+ 'undefined': 'grey',
+ 'null': 'bold',
+ 'string': 'green',
+ 'date': 'magenta',
+ // "name": intentionally not styling
+ 'regexp': 'red'
+ };
+
+
+ function stylizeWithColor(str, styleType) {
+ var style = inspect.styles[styleType];
+
+ if (style) {
+ return '\u001b[' + inspect.colors[style][0] + 'm' + str +
+ '\u001b[' + inspect.colors[style][1] + 'm';
+ } else {
+ return str;
+ }
+ }
+
+
+ function stylizeNoColor(str, styleType) {
+ return str;
+ }
+
+
+ function arrayToHash(array) {
+ var hash = {};
+
+ array.forEach(function(val, idx) {
+ hash[val] = true;
+ });
+
+ return hash;
+ }
+
+
+ function formatValue(ctx, value, recurseTimes) {
+ // Provide a hook for user-specified inspect functions.
+ // Check that value is an object with an inspect function on it
+ if (ctx.customInspect &&
+ value &&
+ isFunction(value.inspect) &&
+ // Filter out the util module, it's inspect function is special
+ value.inspect !== inspect &&
+ // Also filter out any prototype objects using the circular check.
+ !(value.constructor && value.constructor.prototype === value)) {
+ var ret = value.inspect(recurseTimes, ctx);
+ if (!isString$1(ret)) {
+ ret = formatValue(ctx, ret, recurseTimes);
+ }
+ return ret;
+ }
+
+ // Primitive types cannot have properties
+ var primitive = formatPrimitive(ctx, value);
+ if (primitive) {
+ return primitive;
+ }
+
+ // Look up the keys of the object.
+ var keys = Object.keys(value);
+ var visibleKeys = arrayToHash(keys);
+
+ if (ctx.showHidden) {
+ keys = Object.getOwnPropertyNames(value);
+ }
+
+ // IE doesn't make error fields non-enumerable
+ // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
+ if (isError$1(value)
+ && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
+ return formatError(value);
+ }
+
+ // Some type of object without properties can be shortcutted.
+ if (keys.length === 0) {
+ if (isFunction(value)) {
+ var name = value.name ? ': ' + value.name : '';
+ return ctx.stylize('[Function' + name + ']', 'special');
+ }
+ if (isRegExp(value)) {
+ return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+ }
+ if (isDate(value)) {
+ return ctx.stylize(Date.prototype.toString.call(value), 'date');
+ }
+ if (isError$1(value)) {
+ return formatError(value);
+ }
+ }
+
+ var base = '', array = false, braces = ['{', '}'];
+
+ // Make Array say that they are Array
+ if (isArray$1(value)) {
+ array = true;
+ braces = ['[', ']'];
+ }
+
+ // Make functions say that they are functions
+ if (isFunction(value)) {
+ var n = value.name ? ': ' + value.name : '';
+ base = ' [Function' + n + ']';
+ }
+
+ // Make RegExps say that they are RegExps
+ if (isRegExp(value)) {
+ base = ' ' + RegExp.prototype.toString.call(value);
+ }
+
+ // Make dates with properties first say the date
+ if (isDate(value)) {
+ base = ' ' + Date.prototype.toUTCString.call(value);
+ }
+
+ // Make error with message first say the error
+ if (isError$1(value)) {
+ base = ' ' + formatError(value);
+ }
+
+ if (keys.length === 0 && (!array || value.length == 0)) {
+ return braces[0] + base + braces[1];
+ }
+
+ if (recurseTimes < 0) {
+ if (isRegExp(value)) {
+ return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+ } else {
+ return ctx.stylize('[Object]', 'special');
+ }
+ }
+
+ ctx.seen.push(value);
+
+ var output;
+ if (array) {
+ output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
+ } else {
+ output = keys.map(function(key) {
+ return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
+ });
+ }
+
+ ctx.seen.pop();
+
+ return reduceToSingleString(output, base, braces);
+ }
+
+
+ function formatPrimitive(ctx, value) {
+ if (isUndefined(value))
+ return ctx.stylize('undefined', 'undefined');
+ if (isString$1(value)) {
+ var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+ .replace(/'/g, "\\'")
+ .replace(/\\"/g, '"') + '\'';
+ return ctx.stylize(simple, 'string');
+ }
+ if (isNumber(value))
+ return ctx.stylize('' + value, 'number');
+ if (isBoolean(value))
+ return ctx.stylize('' + value, 'boolean');
+ // For some reason typeof null is "object", so special case here.
+ if (isNull(value))
+ return ctx.stylize('null', 'null');
+ }
+
+
+ function formatError(value) {
+ return '[' + Error.prototype.toString.call(value) + ']';
+ }
+
+
+ function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
+ var output = [];
+ for (var i = 0, l = value.length; i < l; ++i) {
+ if (hasOwnProperty(value, String(i))) {
+ output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+ String(i), true));
+ } else {
+ output.push('');
+ }
+ }
+ keys.forEach(function(key) {
+ if (!key.match(/^\d+$/)) {
+ output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+ key, true));
+ }
+ });
+ return output;
+ }
+
+
+ function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
+ var name, str, desc;
+ desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
+ if (desc.get) {
+ if (desc.set) {
+ str = ctx.stylize('[Getter/Setter]', 'special');
+ } else {
+ str = ctx.stylize('[Getter]', 'special');
+ }
+ } else {
+ if (desc.set) {
+ str = ctx.stylize('[Setter]', 'special');
+ }
+ }
+ if (!hasOwnProperty(visibleKeys, key)) {
+ name = '[' + key + ']';
+ }
+ if (!str) {
+ if (ctx.seen.indexOf(desc.value) < 0) {
+ if (isNull(recurseTimes)) {
+ str = formatValue(ctx, desc.value, null);
+ } else {
+ str = formatValue(ctx, desc.value, recurseTimes - 1);
+ }
+ if (str.indexOf('\n') > -1) {
+ if (array) {
+ str = str.split('\n').map(function(line) {
+ return ' ' + line;
+ }).join('\n').substr(2);
+ } else {
+ str = '\n' + str.split('\n').map(function(line) {
+ return ' ' + line;
+ }).join('\n');
+ }
+ }
+ } else {
+ str = ctx.stylize('[Circular]', 'special');
+ }
+ }
+ if (isUndefined(name)) {
+ if (array && key.match(/^\d+$/)) {
+ return str;
+ }
+ name = JSON.stringify('' + key);
+ if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+ name = name.substr(1, name.length - 2);
+ name = ctx.stylize(name, 'name');
+ } else {
+ name = name.replace(/'/g, "\\'")
+ .replace(/\\"/g, '"')
+ .replace(/(^"|"$)/g, "'");
+ name = ctx.stylize(name, 'string');
+ }
+ }
+
+ return name + ': ' + str;
+ }
+
+
+ function reduceToSingleString(output, base, braces) {
+ var length = output.reduce(function(prev, cur) {
+ if (cur.indexOf('\n') >= 0) ;
+ return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
+ }, 0);
+
+ if (length > 60) {
+ return braces[0] +
+ (base === '' ? '' : base + '\n ') +
+ ' ' +
+ output.join(',\n ') +
+ ' ' +
+ braces[1];
+ }
+
+ return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+ }
+
+
+ // NOTE: These type checking functions intentionally don't use `instanceof`
+ // because it is fragile and can be easily faked with `Object.create()`.
+ function isArray$1(ar) {
+ return Array.isArray(ar);
+ }
+
+ function isBoolean(arg) {
+ return typeof arg === 'boolean';
+ }
+
+ function isNull(arg) {
+ return arg === null;
+ }
+
+ function isNullOrUndefined(arg) {
+ return arg == null;
+ }
+
+ function isNumber(arg) {
+ return typeof arg === 'number';
+ }
+
+ function isString$1(arg) {
+ return typeof arg === 'string';
+ }
+
+ function isSymbol(arg) {
+ return typeof arg === 'symbol';
+ }
+
+ function isUndefined(arg) {
+ return arg === void 0;
+ }
+
+ function isRegExp(re) {
+ return isObject(re) && objectToString(re) === '[object RegExp]';
+ }
+
+ function isObject(arg) {
+ return typeof arg === 'object' && arg !== null;
+ }
+
+ function isDate(d) {
+ return isObject(d) && objectToString(d) === '[object Date]';
+ }
+
+ function isError$1(e) {
+ return isObject(e) &&
+ (objectToString(e) === '[object Error]' || e instanceof Error);
+ }
+
+ function isFunction(arg) {
+ return typeof arg === 'function';
+ }
+
+ function isPrimitive(arg) {
+ return arg === null ||
+ typeof arg === 'boolean' ||
+ typeof arg === 'number' ||
+ typeof arg === 'string' ||
+ typeof arg === 'symbol' || // ES6 symbol
+ typeof arg === 'undefined';
+ }
+
+ function isBuffer$1(maybeBuf) {
+ return Buffer$1.isBuffer(maybeBuf);
+ }
+
+ function objectToString(o) {
+ return Object.prototype.toString.call(o);
+ }
+
+
+ function pad(n) {
+ return n < 10 ? '0' + n.toString(10) : n.toString(10);
+ }
+
+
+ var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
+ 'Oct', 'Nov', 'Dec'];
+
+ // 26 Feb 16:19:34
+ function timestamp() {
+ var d = new Date();
+ var time = [pad(d.getHours()),
+ pad(d.getMinutes()),
+ pad(d.getSeconds())].join(':');
+ return [d.getDate(), months[d.getMonth()], time].join(' ');
+ }
+
+
+ // log is just a thin wrapper to console.log that prepends a timestamp
+ function log() {
+ console.log('%s - %s', timestamp(), format$1.apply(null, arguments));
+ }
+
+ function _extend(origin, add) {
+ // Don't do anything if add isn't an object
+ if (!add || !isObject(add)) return origin;
+
+ var keys = Object.keys(add);
+ var i = keys.length;
+ while (i--) {
+ origin[keys[i]] = add[keys[i]];
+ }
+ return origin;
+ }
+ function hasOwnProperty(obj, prop) {
+ return Object.prototype.hasOwnProperty.call(obj, prop);
+ }
+
+ var _polyfillNode_util = {
+ inherits: inherits$3,
+ _extend: _extend,
+ log: log,
+ isBuffer: isBuffer$1,
+ isPrimitive: isPrimitive,
+ isFunction: isFunction,
+ isError: isError$1,
+ isDate: isDate,
+ isObject: isObject,
+ isRegExp: isRegExp,
+ isUndefined: isUndefined,
+ isSymbol: isSymbol,
+ isString: isString$1,
+ isNumber: isNumber,
+ isNullOrUndefined: isNullOrUndefined,
+ isNull: isNull,
+ isBoolean: isBoolean,
+ isArray: isArray$1,
+ inspect: inspect,
+ deprecate: deprecate$1,
+ format: format$1,
+ debuglog: debuglog
+ };
+
+ var _polyfillNode_util$1 = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ format: format$1,
+ deprecate: deprecate$1,
+ debuglog: debuglog,
+ inspect: inspect,
+ isArray: isArray$1,
+ isBoolean: isBoolean,
+ isNull: isNull,
+ isNullOrUndefined: isNullOrUndefined,
+ isNumber: isNumber,
+ isString: isString$1,
+ isSymbol: isSymbol,
+ isUndefined: isUndefined,
+ isRegExp: isRegExp,
+ isObject: isObject,
+ isDate: isDate,
+ isError: isError$1,
+ isFunction: isFunction,
+ isPrimitive: isPrimitive,
+ isBuffer: isBuffer$1,
+ log: log,
+ inherits: inherits$3,
+ _extend: _extend,
+ 'default': _polyfillNode_util
+ });
+
+ function BufferList() {
+ this.head = null;
+ this.tail = null;
+ this.length = 0;
+ }
+
+ BufferList.prototype.push = function (v) {
+ var entry = { data: v, next: null };
+ if (this.length > 0) this.tail.next = entry;else this.head = entry;
+ this.tail = entry;
+ ++this.length;
+ };
+
+ BufferList.prototype.unshift = function (v) {
+ var entry = { data: v, next: this.head };
+ if (this.length === 0) this.tail = entry;
+ this.head = entry;
+ ++this.length;
+ };
+
+ BufferList.prototype.shift = function () {
+ if (this.length === 0) return;
+ var ret = this.head.data;
+ if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
+ --this.length;
+ return ret;
+ };
+
+ BufferList.prototype.clear = function () {
+ this.head = this.tail = null;
+ this.length = 0;
+ };
+
+ BufferList.prototype.join = function (s) {
+ if (this.length === 0) return '';
+ var p = this.head;
+ var ret = '' + p.data;
+ while (p = p.next) {
+ ret += s + p.data;
+ }return ret;
+ };
+
+ BufferList.prototype.concat = function (n) {
+ if (this.length === 0) return Buffer$1.alloc(0);
+ if (this.length === 1) return this.head.data;
+ var ret = Buffer$1.allocUnsafe(n >>> 0);
+ var p = this.head;
+ var i = 0;
+ while (p) {
+ p.data.copy(ret, i);
+ i += p.data.length;
+ p = p.next;
+ }
+ return ret;
+ };
+
+ // Copyright Joyent, Inc. and other Node contributors.
+ var isBufferEncoding = Buffer$1.isEncoding
+ || function(encoding) {
+ switch (encoding && encoding.toLowerCase()) {
+ case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': case 'raw': return true;
+ default: return false;
+ }
+ };
+
+
+ function assertEncoding(encoding) {
+ if (encoding && !isBufferEncoding(encoding)) {
+ throw new Error('Unknown encoding: ' + encoding);
+ }
+ }
+
+ // StringDecoder provides an interface for efficiently splitting a series of
+ // buffers into a series of JS strings without breaking apart multi-byte
+ // characters. CESU-8 is handled as part of the UTF-8 encoding.
+ //
+ // @TODO Handling all encodings inside a single object makes it very difficult
+ // to reason about this code, so it should be split up in the future.
+ // @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code
+ // points as used by CESU-8.
+ function StringDecoder(encoding) {
+ this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, '');
+ assertEncoding(encoding);
+ switch (this.encoding) {
+ case 'utf8':
+ // CESU-8 represents each of Surrogate Pair by 3-bytes
+ this.surrogateSize = 3;
+ break;
+ case 'ucs2':
+ case 'utf16le':
+ // UTF-16 represents each of Surrogate Pair by 2-bytes
+ this.surrogateSize = 2;
+ this.detectIncompleteChar = utf16DetectIncompleteChar;
+ break;
+ case 'base64':
+ // Base-64 stores 3 bytes in 4 chars, and pads the remainder.
+ this.surrogateSize = 3;
+ this.detectIncompleteChar = base64DetectIncompleteChar;
+ break;
+ default:
+ this.write = passThroughWrite;
+ return;
+ }
+
+ // Enough space to store all bytes of a single character. UTF-8 needs 4
+ // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate).
+ this.charBuffer = new Buffer$1(6);
+ // Number of bytes received for the current incomplete multi-byte character.
+ this.charReceived = 0;
+ // Number of bytes expected for the current incomplete multi-byte character.
+ this.charLength = 0;
+ }
+
+ // write decodes the given buffer and returns it as JS string that is
+ // guaranteed to not contain any partial multi-byte characters. Any partial
+ // character found at the end of the buffer is buffered up, and will be
+ // returned when calling write again with the remaining bytes.
+ //
+ // Note: Converting a Buffer containing an orphan surrogate to a String
+ // currently works, but converting a String to a Buffer (via `new Buffer`, or
+ // Buffer#write) will replace incomplete surrogates with the unicode
+ // replacement character. See https://codereview.chromium.org/121173009/ .
+ StringDecoder.prototype.write = function(buffer) {
+ var charStr = '';
+ // if our last write ended with an incomplete multibyte character
+ while (this.charLength) {
+ // determine how many remaining bytes this buffer has to offer for this char
+ var available = (buffer.length >= this.charLength - this.charReceived) ?
+ this.charLength - this.charReceived :
+ buffer.length;
+
+ // add the new bytes to the char buffer
+ buffer.copy(this.charBuffer, this.charReceived, 0, available);
+ this.charReceived += available;
+
+ if (this.charReceived < this.charLength) {
+ // still not enough chars in this buffer? wait for more ...
+ return '';
+ }
+
+ // remove bytes belonging to the current character from the buffer
+ buffer = buffer.slice(available, buffer.length);
+
+ // get the character that was split
+ charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding);
+
+ // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
+ var charCode = charStr.charCodeAt(charStr.length - 1);
+ if (charCode >= 0xD800 && charCode <= 0xDBFF) {
+ this.charLength += this.surrogateSize;
+ charStr = '';
+ continue;
+ }
+ this.charReceived = this.charLength = 0;
+
+ // if there are no more bytes in this buffer, just emit our char
+ if (buffer.length === 0) {
+ return charStr;
+ }
+ break;
+ }
+
+ // determine and set charLength / charReceived
+ this.detectIncompleteChar(buffer);
+
+ var end = buffer.length;
+ if (this.charLength) {
+ // buffer the incomplete character bytes we got
+ buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end);
+ end -= this.charReceived;
+ }
+
+ charStr += buffer.toString(this.encoding, 0, end);
+
+ var end = charStr.length - 1;
+ var charCode = charStr.charCodeAt(end);
+ // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
+ if (charCode >= 0xD800 && charCode <= 0xDBFF) {
+ var size = this.surrogateSize;
+ this.charLength += size;
+ this.charReceived += size;
+ this.charBuffer.copy(this.charBuffer, size, 0, size);
+ buffer.copy(this.charBuffer, 0, 0, size);
+ return charStr.substring(0, end);
+ }
+
+ // or just emit the charStr
+ return charStr;
+ };
+
+ // detectIncompleteChar determines if there is an incomplete UTF-8 character at
+ // the end of the given buffer. If so, it sets this.charLength to the byte
+ // length that character, and sets this.charReceived to the number of bytes
+ // that are available for this character.
+ StringDecoder.prototype.detectIncompleteChar = function(buffer) {
+ // determine how many bytes we have to check at the end of this buffer
+ var i = (buffer.length >= 3) ? 3 : buffer.length;
+
+ // Figure out if one of the last i bytes of our buffer announces an
+ // incomplete char.
+ for (; i > 0; i--) {
+ var c = buffer[buffer.length - i];
+
+ // See http://en.wikipedia.org/wiki/UTF-8#Description
+
+ // 110XXXXX
+ if (i == 1 && c >> 5 == 0x06) {
+ this.charLength = 2;
+ break;
+ }
+
+ // 1110XXXX
+ if (i <= 2 && c >> 4 == 0x0E) {
+ this.charLength = 3;
+ break;
+ }
+
+ // 11110XXX
+ if (i <= 3 && c >> 3 == 0x1E) {
+ this.charLength = 4;
+ break;
+ }
+ }
+ this.charReceived = i;
+ };
+
+ StringDecoder.prototype.end = function(buffer) {
+ var res = '';
+ if (buffer && buffer.length)
+ res = this.write(buffer);
+
+ if (this.charReceived) {
+ var cr = this.charReceived;
+ var buf = this.charBuffer;
+ var enc = this.encoding;
+ res += buf.slice(0, cr).toString(enc);
+ }
+
+ return res;
+ };
+
+ function passThroughWrite(buffer) {
+ return buffer.toString(this.encoding);
+ }
+
+ function utf16DetectIncompleteChar(buffer) {
+ this.charReceived = buffer.length % 2;
+ this.charLength = this.charReceived ? 2 : 0;
+ }
+
+ function base64DetectIncompleteChar(buffer) {
+ this.charReceived = buffer.length % 3;
+ this.charLength = this.charReceived ? 3 : 0;
+ }
+
+ Readable.ReadableState = ReadableState;
+
+ var debug$2 = debuglog('stream');
+ inherits$3(Readable, EventEmitter$2);
+
+ function prependListener(emitter, event, fn) {
+ // Sadly this is not cacheable as some libraries bundle their own
+ // event emitter implementation with them.
+ if (typeof emitter.prependListener === 'function') {
+ return emitter.prependListener(event, fn);
+ } else {
+ // This is a hack to make sure that our error handler is attached before any
+ // userland ones. NEVER DO THIS. This is here only because this code needs
+ // to continue to work with older versions of Node.js that do not include
+ // the prependListener() method. The goal is to eventually remove this hack.
+ if (!emitter._events || !emitter._events[event])
+ emitter.on(event, fn);
+ else if (Array.isArray(emitter._events[event]))
+ emitter._events[event].unshift(fn);
+ else
+ emitter._events[event] = [fn, emitter._events[event]];
+ }
+ }
+ function listenerCount (emitter, type) {
+ return emitter.listeners(type).length;
+ }
+ function ReadableState(options, stream) {
+
+ options = options || {};
+
+ // object stream flag. Used to make read(n) ignore n and to
+ // make all the buffer merging and length checks go away
+ this.objectMode = !!options.objectMode;
+
+ if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.readableObjectMode;
+
+ // the point at which it stops calling _read() to fill the buffer
+ // Note: 0 is a valid value, means "don't call _read preemptively ever"
+ var hwm = options.highWaterMark;
+ var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+ this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;
+
+ // cast to ints.
+ this.highWaterMark = ~ ~this.highWaterMark;
+
+ // A linked list is used to store data chunks instead of an array because the
+ // linked list can remove elements from the beginning faster than
+ // array.shift()
+ this.buffer = new BufferList();
+ this.length = 0;
+ this.pipes = null;
+ this.pipesCount = 0;
+ this.flowing = null;
+ this.ended = false;
+ this.endEmitted = false;
+ this.reading = false;
+
+ // a flag to be able to tell if the onwrite cb is called immediately,
+ // or on a later tick. We set this to true at first, because any
+ // actions that shouldn't happen until "later" should generally also
+ // not happen before the first write call.
+ this.sync = true;
+
+ // whenever we return null, then we set a flag to say
+ // that we're awaiting a 'readable' event emission.
+ this.needReadable = false;
+ this.emittedReadable = false;
+ this.readableListening = false;
+ this.resumeScheduled = false;
+
+ // Crypto is kind of old and crusty. Historically, its default string
+ // encoding is 'binary' so we have to make this configurable.
+ // Everything else in the universe uses 'utf8', though.
+ this.defaultEncoding = options.defaultEncoding || 'utf8';
+
+ // when piping, we only care about 'readable' events that happen
+ // after read()ing all the bytes and not getting any pushback.
+ this.ranOut = false;
+
+ // the number of writers that are awaiting a drain event in .pipe()s
+ this.awaitDrain = 0;
+
+ // if true, a maybeReadMore has been scheduled
+ this.readingMore = false;
+
+ this.decoder = null;
+ this.encoding = null;
+ if (options.encoding) {
+ this.decoder = new StringDecoder(options.encoding);
+ this.encoding = options.encoding;
+ }
+ }
+ function Readable(options) {
+
+ if (!(this instanceof Readable)) return new Readable(options);
+
+ this._readableState = new ReadableState(options, this);
+
+ // legacy
+ this.readable = true;
+
+ if (options && typeof options.read === 'function') this._read = options.read;
+
+ EventEmitter$2.call(this);
+ }
+
+ // Manually shove something into the read() buffer.
+ // This returns true if the highWaterMark has not been hit yet,
+ // similar to how Writable.write() returns true if you should
+ // write() some more.
+ Readable.prototype.push = function (chunk, encoding) {
+ var state = this._readableState;
+
+ if (!state.objectMode && typeof chunk === 'string') {
+ encoding = encoding || state.defaultEncoding;
+ if (encoding !== state.encoding) {
+ chunk = Buffer$1.from(chunk, encoding);
+ encoding = '';
+ }
+ }
+
+ return readableAddChunk(this, state, chunk, encoding, false);
+ };
+
+ // Unshift should *always* be something directly out of read()
+ Readable.prototype.unshift = function (chunk) {
+ var state = this._readableState;
+ return readableAddChunk(this, state, chunk, '', true);
+ };
+
+ Readable.prototype.isPaused = function () {
+ return this._readableState.flowing === false;
+ };
+
+ function readableAddChunk(stream, state, chunk, encoding, addToFront) {
+ var er = chunkInvalid(state, chunk);
+ if (er) {
+ stream.emit('error', er);
+ } else if (chunk === null) {
+ state.reading = false;
+ onEofChunk(stream, state);
+ } else if (state.objectMode || chunk && chunk.length > 0) {
+ if (state.ended && !addToFront) {
+ var e = new Error('stream.push() after EOF');
+ stream.emit('error', e);
+ } else if (state.endEmitted && addToFront) {
+ var _e = new Error('stream.unshift() after end event');
+ stream.emit('error', _e);
+ } else {
+ var skipAdd;
+ if (state.decoder && !addToFront && !encoding) {
+ chunk = state.decoder.write(chunk);
+ skipAdd = !state.objectMode && chunk.length === 0;
+ }
+
+ if (!addToFront) state.reading = false;
+
+ // Don't add to the buffer if we've decoded to an empty string chunk and
+ // we're not in object mode
+ if (!skipAdd) {
+ // if we want the data now, just emit it.
+ if (state.flowing && state.length === 0 && !state.sync) {
+ stream.emit('data', chunk);
+ stream.read(0);
+ } else {
+ // update the buffer info.
+ state.length += state.objectMode ? 1 : chunk.length;
+ if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
+
+ if (state.needReadable) emitReadable(stream);
+ }
+ }
+
+ maybeReadMore(stream, state);
+ }
+ } else if (!addToFront) {
+ state.reading = false;
+ }
+
+ return needMoreData(state);
+ }
+
+ // if it's past the high water mark, we can push in some more.
+ // Also, if we have no data yet, we can stand some
+ // more bytes. This is to work around cases where hwm=0,
+ // such as the repl. Also, if the push() triggered a
+ // readable event, and the user called read(largeNumber) such that
+ // needReadable was set, then we ought to push more, so that another
+ // 'readable' event will be triggered.
+ function needMoreData(state) {
+ return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0);
+ }
+
+ // backwards compatibility.
+ Readable.prototype.setEncoding = function (enc) {
+ this._readableState.decoder = new StringDecoder(enc);
+ this._readableState.encoding = enc;
+ return this;
+ };
+
+ // Don't raise the hwm > 8MB
+ var MAX_HWM = 0x800000;
+ function computeNewHighWaterMark(n) {
+ if (n >= MAX_HWM) {
+ n = MAX_HWM;
+ } else {
+ // Get the next highest power of 2 to prevent increasing hwm excessively in
+ // tiny amounts
+ n--;
+ n |= n >>> 1;
+ n |= n >>> 2;
+ n |= n >>> 4;
+ n |= n >>> 8;
+ n |= n >>> 16;
+ n++;
+ }
+ return n;
+ }
+
+ // This function is designed to be inlinable, so please take care when making
+ // changes to the function body.
+ function howMuchToRead(n, state) {
+ if (n <= 0 || state.length === 0 && state.ended) return 0;
+ if (state.objectMode) return 1;
+ if (n !== n) {
+ // Only flow one buffer at a time
+ if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
+ }
+ // If we're asking for more than the current hwm, then raise the hwm.
+ if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
+ if (n <= state.length) return n;
+ // Don't have enough
+ if (!state.ended) {
+ state.needReadable = true;
+ return 0;
+ }
+ return state.length;
+ }
+
+ // you can override either this method, or the async _read(n) below.
+ Readable.prototype.read = function (n) {
+ debug$2('read', n);
+ n = parseInt(n, 10);
+ var state = this._readableState;
+ var nOrig = n;
+
+ if (n !== 0) state.emittedReadable = false;
+
+ // if we're doing read(0) to trigger a readable event, but we
+ // already have a bunch of data in the buffer, then just trigger
+ // the 'readable' event and move on.
+ if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) {
+ debug$2('read: emitReadable', state.length, state.ended);
+ if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
+ return null;
+ }
+
+ n = howMuchToRead(n, state);
+
+ // if we've ended, and we're now clear, then finish it up.
+ if (n === 0 && state.ended) {
+ if (state.length === 0) endReadable(this);
+ return null;
+ }
+
+ // All the actual chunk generation logic needs to be
+ // *below* the call to _read. The reason is that in certain
+ // synthetic stream cases, such as passthrough streams, _read
+ // may be a completely synchronous operation which may change
+ // the state of the read buffer, providing enough data when
+ // before there was *not* enough.
+ //
+ // So, the steps are:
+ // 1. Figure out what the state of things will be after we do
+ // a read from the buffer.
+ //
+ // 2. If that resulting state will trigger a _read, then call _read.
+ // Note that this may be asynchronous, or synchronous. Yes, it is
+ // deeply ugly to write APIs this way, but that still doesn't mean
+ // that the Readable class should behave improperly, as streams are
+ // designed to be sync/async agnostic.
+ // Take note if the _read call is sync or async (ie, if the read call
+ // has returned yet), so that we know whether or not it's safe to emit
+ // 'readable' etc.
+ //
+ // 3. Actually pull the requested chunks out of the buffer and return.
+
+ // if we need a readable event, then we need to do some reading.
+ var doRead = state.needReadable;
+ debug$2('need readable', doRead);
+
+ // if we currently have less than the highWaterMark, then also read some
+ if (state.length === 0 || state.length - n < state.highWaterMark) {
+ doRead = true;
+ debug$2('length less than watermark', doRead);
+ }
+
+ // however, if we've ended, then there's no point, and if we're already
+ // reading, then it's unnecessary.
+ if (state.ended || state.reading) {
+ doRead = false;
+ debug$2('reading or ended', doRead);
+ } else if (doRead) {
+ debug$2('do read');
+ state.reading = true;
+ state.sync = true;
+ // if the length is currently zero, then we *need* a readable event.
+ if (state.length === 0) state.needReadable = true;
+ // call internal read method
+ this._read(state.highWaterMark);
+ state.sync = false;
+ // If _read pushed data synchronously, then `reading` will be false,
+ // and we need to re-evaluate how much data we can return to the user.
+ if (!state.reading) n = howMuchToRead(nOrig, state);
+ }
+
+ var ret;
+ if (n > 0) ret = fromList(n, state);else ret = null;
+
+ if (ret === null) {
+ state.needReadable = true;
+ n = 0;
+ } else {
+ state.length -= n;
+ }
+
+ if (state.length === 0) {
+ // If we have nothing in the buffer, then we want to know
+ // as soon as we *do* get something into the buffer.
+ if (!state.ended) state.needReadable = true;
+
+ // If we tried to read() past the EOF, then emit end on the next tick.
+ if (nOrig !== n && state.ended) endReadable(this);
+ }
+
+ if (ret !== null) this.emit('data', ret);
+
+ return ret;
+ };
+
+ function chunkInvalid(state, chunk) {
+ var er = null;
+ if (!Buffer$1.isBuffer(chunk) && typeof chunk !== 'string' && chunk !== null && chunk !== undefined && !state.objectMode) {
+ er = new TypeError('Invalid non-string/buffer chunk');
+ }
+ return er;
+ }
+
+ function onEofChunk(stream, state) {
+ if (state.ended) return;
+ if (state.decoder) {
+ var chunk = state.decoder.end();
+ if (chunk && chunk.length) {
+ state.buffer.push(chunk);
+ state.length += state.objectMode ? 1 : chunk.length;
+ }
+ }
+ state.ended = true;
+
+ // emit 'readable' now to make sure it gets picked up.
+ emitReadable(stream);
+ }
+
+ // Don't emit readable right away in sync mode, because this can trigger
+ // another read() call => stack overflow. This way, it might trigger
+ // a nextTick recursion warning, but that's not so bad.
+ function emitReadable(stream) {
+ var state = stream._readableState;
+ state.needReadable = false;
+ if (!state.emittedReadable) {
+ debug$2('emitReadable', state.flowing);
+ state.emittedReadable = true;
+ if (state.sync) nextTick(emitReadable_, stream);else emitReadable_(stream);
+ }
+ }
+
+ function emitReadable_(stream) {
+ debug$2('emit readable');
+ stream.emit('readable');
+ flow(stream);
+ }
+
+ // at this point, the user has presumably seen the 'readable' event,
+ // and called read() to consume some data. that may have triggered
+ // in turn another _read(n) call, in which case reading = true if
+ // it's in progress.
+ // However, if we're not ended, or reading, and the length < hwm,
+ // then go ahead and try to read some more preemptively.
+ function maybeReadMore(stream, state) {
+ if (!state.readingMore) {
+ state.readingMore = true;
+ nextTick(maybeReadMore_, stream, state);
+ }
+ }
+
+ function maybeReadMore_(stream, state) {
+ var len = state.length;
+ while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) {
+ debug$2('maybeReadMore read 0');
+ stream.read(0);
+ if (len === state.length)
+ // didn't get any data, stop spinning.
+ break;else len = state.length;
+ }
+ state.readingMore = false;
+ }
+
+ // abstract method. to be overridden in specific implementation classes.
+ // call cb(er, data) where data is <= n in length.
+ // for virtual (non-string, non-buffer) streams, "length" is somewhat
+ // arbitrary, and perhaps not very meaningful.
+ Readable.prototype._read = function (n) {
+ this.emit('error', new Error('not implemented'));
+ };
+
+ Readable.prototype.pipe = function (dest, pipeOpts) {
+ var src = this;
+ var state = this._readableState;
+
+ switch (state.pipesCount) {
+ case 0:
+ state.pipes = dest;
+ break;
+ case 1:
+ state.pipes = [state.pipes, dest];
+ break;
+ default:
+ state.pipes.push(dest);
+ break;
+ }
+ state.pipesCount += 1;
+ debug$2('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
+
+ var doEnd = (!pipeOpts || pipeOpts.end !== false);
+
+ var endFn = doEnd ? onend : cleanup;
+ if (state.endEmitted) nextTick(endFn);else src.once('end', endFn);
+
+ dest.on('unpipe', onunpipe);
+ function onunpipe(readable) {
+ debug$2('onunpipe');
+ if (readable === src) {
+ cleanup();
+ }
+ }
+
+ function onend() {
+ debug$2('onend');
+ dest.end();
+ }
+
+ // when the dest drains, it reduces the awaitDrain counter
+ // on the source. This would be more elegant with a .once()
+ // handler in flow(), but adding and removing repeatedly is
+ // too slow.
+ var ondrain = pipeOnDrain(src);
+ dest.on('drain', ondrain);
+
+ var cleanedUp = false;
+ function cleanup() {
+ debug$2('cleanup');
+ // cleanup event handlers once the pipe is broken
+ dest.removeListener('close', onclose);
+ dest.removeListener('finish', onfinish);
+ dest.removeListener('drain', ondrain);
+ dest.removeListener('error', onerror);
+ dest.removeListener('unpipe', onunpipe);
+ src.removeListener('end', onend);
+ src.removeListener('end', cleanup);
+ src.removeListener('data', ondata);
+
+ cleanedUp = true;
+
+ // if the reader is waiting for a drain event from this
+ // specific writer, then it would cause it to never start
+ // flowing again.
+ // So, if this is awaiting a drain, then we just call it now.
+ // If we don't know, then assume that we are waiting for one.
+ if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
+ }
+
+ // If the user pushes more data while we're writing to dest then we'll end up
+ // in ondata again. However, we only want to increase awaitDrain once because
+ // dest will only emit one 'drain' event for the multiple writes.
+ // => Introduce a guard on increasing awaitDrain.
+ var increasedAwaitDrain = false;
+ src.on('data', ondata);
+ function ondata(chunk) {
+ debug$2('ondata');
+ increasedAwaitDrain = false;
+ var ret = dest.write(chunk);
+ if (false === ret && !increasedAwaitDrain) {
+ // If the user unpiped during `dest.write()`, it is possible
+ // to get stuck in a permanently paused state if that write
+ // also returned false.
+ // => Check whether `dest` is still a piping destination.
+ if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
+ debug$2('false write response, pause', src._readableState.awaitDrain);
+ src._readableState.awaitDrain++;
+ increasedAwaitDrain = true;
+ }
+ src.pause();
+ }
+ }
+
+ // if the dest has an error, then stop piping into it.
+ // however, don't suppress the throwing behavior for this.
+ function onerror(er) {
+ debug$2('onerror', er);
+ unpipe();
+ dest.removeListener('error', onerror);
+ if (listenerCount(dest, 'error') === 0) dest.emit('error', er);
+ }
+
+ // Make sure our error handler is attached before userland ones.
+ prependListener(dest, 'error', onerror);
+
+ // Both close and finish should trigger unpipe, but only once.
+ function onclose() {
+ dest.removeListener('finish', onfinish);
+ unpipe();
+ }
+ dest.once('close', onclose);
+ function onfinish() {
+ debug$2('onfinish');
+ dest.removeListener('close', onclose);
+ unpipe();
+ }
+ dest.once('finish', onfinish);
+
+ function unpipe() {
+ debug$2('unpipe');
+ src.unpipe(dest);
+ }
+
+ // tell the dest that it's being piped to
+ dest.emit('pipe', src);
+
+ // start the flow if it hasn't been started already.
+ if (!state.flowing) {
+ debug$2('pipe resume');
+ src.resume();
+ }
+
+ return dest;
+ };
+
+ function pipeOnDrain(src) {
+ return function () {
+ var state = src._readableState;
+ debug$2('pipeOnDrain', state.awaitDrain);
+ if (state.awaitDrain) state.awaitDrain--;
+ if (state.awaitDrain === 0 && src.listeners('data').length) {
+ state.flowing = true;
+ flow(src);
+ }
+ };
+ }
+
+ Readable.prototype.unpipe = function (dest) {
+ var state = this._readableState;
+
+ // if we're not piping anywhere, then do nothing.
+ if (state.pipesCount === 0) return this;
+
+ // just one destination. most common case.
+ if (state.pipesCount === 1) {
+ // passed in one, but it's not the right one.
+ if (dest && dest !== state.pipes) return this;
+
+ if (!dest) dest = state.pipes;
+
+ // got a match.
+ state.pipes = null;
+ state.pipesCount = 0;
+ state.flowing = false;
+ if (dest) dest.emit('unpipe', this);
+ return this;
+ }
+
+ // slow case. multiple pipe destinations.
+
+ if (!dest) {
+ // remove all.
+ var dests = state.pipes;
+ var len = state.pipesCount;
+ state.pipes = null;
+ state.pipesCount = 0;
+ state.flowing = false;
+
+ for (var _i = 0; _i < len; _i++) {
+ dests[_i].emit('unpipe', this);
+ }return this;
+ }
+
+ // try to find the right one.
+ var i = indexOf(state.pipes, dest);
+ if (i === -1) return this;
+
+ state.pipes.splice(i, 1);
+ state.pipesCount -= 1;
+ if (state.pipesCount === 1) state.pipes = state.pipes[0];
+
+ dest.emit('unpipe', this);
+
+ return this;
+ };
+
+ // set up data events if they are asked for
+ // Ensure readable listeners eventually get something
+ Readable.prototype.on = function (ev, fn) {
+ var res = EventEmitter$2.prototype.on.call(this, ev, fn);
+
+ if (ev === 'data') {
+ // Start flowing on next tick if stream isn't explicitly paused
+ if (this._readableState.flowing !== false) this.resume();
+ } else if (ev === 'readable') {
+ var state = this._readableState;
+ if (!state.endEmitted && !state.readableListening) {
+ state.readableListening = state.needReadable = true;
+ state.emittedReadable = false;
+ if (!state.reading) {
+ nextTick(nReadingNextTick, this);
+ } else if (state.length) {
+ emitReadable(this);
+ }
+ }
+ }
+
+ return res;
+ };
+ Readable.prototype.addListener = Readable.prototype.on;
+
+ function nReadingNextTick(self) {
+ debug$2('readable nexttick read 0');
+ self.read(0);
+ }
+
+ // pause() and resume() are remnants of the legacy readable stream API
+ // If the user uses them, then switch into old mode.
+ Readable.prototype.resume = function () {
+ var state = this._readableState;
+ if (!state.flowing) {
+ debug$2('resume');
+ state.flowing = true;
+ resume(this, state);
+ }
+ return this;
+ };
+
+ function resume(stream, state) {
+ if (!state.resumeScheduled) {
+ state.resumeScheduled = true;
+ nextTick(resume_, stream, state);
+ }
+ }
+
+ function resume_(stream, state) {
+ if (!state.reading) {
+ debug$2('resume read 0');
+ stream.read(0);
+ }
+
+ state.resumeScheduled = false;
+ state.awaitDrain = 0;
+ stream.emit('resume');
+ flow(stream);
+ if (state.flowing && !state.reading) stream.read(0);
+ }
+
+ Readable.prototype.pause = function () {
+ debug$2('call pause flowing=%j', this._readableState.flowing);
+ if (false !== this._readableState.flowing) {
+ debug$2('pause');
+ this._readableState.flowing = false;
+ this.emit('pause');
+ }
+ return this;
+ };
+
+ function flow(stream) {
+ var state = stream._readableState;
+ debug$2('flow', state.flowing);
+ while (state.flowing && stream.read() !== null) {}
+ }
+
+ // wrap an old-style stream as the async data source.
+ // This is *not* part of the readable stream interface.
+ // It is an ugly unfortunate mess of history.
+ Readable.prototype.wrap = function (stream) {
+ var state = this._readableState;
+ var paused = false;
+
+ var self = this;
+ stream.on('end', function () {
+ debug$2('wrapped end');
+ if (state.decoder && !state.ended) {
+ var chunk = state.decoder.end();
+ if (chunk && chunk.length) self.push(chunk);
+ }
+
+ self.push(null);
+ });
+
+ stream.on('data', function (chunk) {
+ debug$2('wrapped data');
+ if (state.decoder) chunk = state.decoder.write(chunk);
+
+ // don't skip over falsy values in objectMode
+ if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
+
+ var ret = self.push(chunk);
+ if (!ret) {
+ paused = true;
+ stream.pause();
+ }
+ });
+
+ // proxy all the other methods.
+ // important when wrapping filters and duplexes.
+ for (var i in stream) {
+ if (this[i] === undefined && typeof stream[i] === 'function') {
+ this[i] = function (method) {
+ return function () {
+ return stream[method].apply(stream, arguments);
+ };
+ }(i);
+ }
+ }
+
+ // proxy certain important events.
+ var events = ['error', 'close', 'destroy', 'pause', 'resume'];
+ forEach(events, function (ev) {
+ stream.on(ev, self.emit.bind(self, ev));
+ });
+
+ // when we try to consume some more bytes, simply unpause the
+ // underlying stream.
+ self._read = function (n) {
+ debug$2('wrapped _read', n);
+ if (paused) {
+ paused = false;
+ stream.resume();
+ }
+ };
+
+ return self;
+ };
+
+ // exposed for testing purposes only.
+ Readable._fromList = fromList;
+
+ // Pluck off n bytes from an array of buffers.
+ // Length is the combined lengths of all the buffers in the list.
+ // This function is designed to be inlinable, so please take care when making
+ // changes to the function body.
+ function fromList(n, state) {
+ // nothing buffered
+ if (state.length === 0) return null;
+
+ var ret;
+ if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
+ // read it all, truncate the list
+ if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length);
+ state.buffer.clear();
+ } else {
+ // read part of list
+ ret = fromListPartial(n, state.buffer, state.decoder);
+ }
+
+ return ret;
+ }
+
+ // Extracts only enough buffered data to satisfy the amount requested.
+ // This function is designed to be inlinable, so please take care when making
+ // changes to the function body.
+ function fromListPartial(n, list, hasStrings) {
+ var ret;
+ if (n < list.head.data.length) {
+ // slice is the same for buffers and strings
+ ret = list.head.data.slice(0, n);
+ list.head.data = list.head.data.slice(n);
+ } else if (n === list.head.data.length) {
+ // first chunk is a perfect match
+ ret = list.shift();
+ } else {
+ // result spans more than one buffer
+ ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list);
+ }
+ return ret;
+ }
+
+ // Copies a specified amount of characters from the list of buffered data
+ // chunks.
+ // This function is designed to be inlinable, so please take care when making
+ // changes to the function body.
+ function copyFromBufferString(n, list) {
+ var p = list.head;
+ var c = 1;
+ var ret = p.data;
+ n -= ret.length;
+ while (p = p.next) {
+ var str = p.data;
+ var nb = n > str.length ? str.length : n;
+ if (nb === str.length) ret += str;else ret += str.slice(0, n);
+ n -= nb;
+ if (n === 0) {
+ if (nb === str.length) {
+ ++c;
+ if (p.next) list.head = p.next;else list.head = list.tail = null;
+ } else {
+ list.head = p;
+ p.data = str.slice(nb);
+ }
+ break;
+ }
+ ++c;
+ }
+ list.length -= c;
+ return ret;
+ }
+
+ // Copies a specified amount of bytes from the list of buffered data chunks.
+ // This function is designed to be inlinable, so please take care when making
+ // changes to the function body.
+ function copyFromBuffer(n, list) {
+ var ret = Buffer$1.allocUnsafe(n);
+ var p = list.head;
+ var c = 1;
+ p.data.copy(ret);
+ n -= p.data.length;
+ while (p = p.next) {
+ var buf = p.data;
+ var nb = n > buf.length ? buf.length : n;
+ buf.copy(ret, ret.length - n, 0, nb);
+ n -= nb;
+ if (n === 0) {
+ if (nb === buf.length) {
+ ++c;
+ if (p.next) list.head = p.next;else list.head = list.tail = null;
+ } else {
+ list.head = p;
+ p.data = buf.slice(nb);
+ }
+ break;
+ }
+ ++c;
+ }
+ list.length -= c;
+ return ret;
+ }
+
+ function endReadable(stream) {
+ var state = stream._readableState;
+
+ // If we get here before consuming all the bytes, then that is a
+ // bug in node. Should never happen.
+ if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream');
+
+ if (!state.endEmitted) {
+ state.ended = true;
+ nextTick(endReadableNT, state, stream);
+ }
+ }
+
+ function endReadableNT(state, stream) {
+ // Check that we didn't get one last unshift.
+ if (!state.endEmitted && state.length === 0) {
+ state.endEmitted = true;
+ stream.readable = false;
+ stream.emit('end');
+ }
+ }
+
+ function forEach(xs, f) {
+ for (var i = 0, l = xs.length; i < l; i++) {
+ f(xs[i], i);
+ }
+ }
+
+ function indexOf(xs, x) {
+ for (var i = 0, l = xs.length; i < l; i++) {
+ if (xs[i] === x) return i;
+ }
+ return -1;
+ }
+
+ // A bit simpler than readable streams.
+ Writable.WritableState = WritableState;
+ inherits$3(Writable, EventEmitter$2);
+
+ function nop() {}
+
+ function WriteReq(chunk, encoding, cb) {
+ this.chunk = chunk;
+ this.encoding = encoding;
+ this.callback = cb;
+ this.next = null;
+ }
+
+ function WritableState(options, stream) {
+ Object.defineProperty(this, 'buffer', {
+ get: deprecate$1(function () {
+ return this.getBuffer();
+ }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.')
+ });
+ options = options || {};
+
+ // object stream flag to indicate whether or not this stream
+ // contains buffers or objects.
+ this.objectMode = !!options.objectMode;
+
+ if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.writableObjectMode;
+
+ // the point at which write() starts returning false
+ // Note: 0 is a valid value, means that we always return false if
+ // the entire buffer is not flushed immediately on write()
+ var hwm = options.highWaterMark;
+ var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+ this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;
+
+ // cast to ints.
+ this.highWaterMark = ~ ~this.highWaterMark;
+
+ this.needDrain = false;
+ // at the start of calling end()
+ this.ending = false;
+ // when end() has been called, and returned
+ this.ended = false;
+ // when 'finish' is emitted
+ this.finished = false;
+
+ // should we decode strings into buffers before passing to _write?
+ // this is here so that some node-core streams can optimize string
+ // handling at a lower level.
+ var noDecode = options.decodeStrings === false;
+ this.decodeStrings = !noDecode;
+
+ // Crypto is kind of old and crusty. Historically, its default string
+ // encoding is 'binary' so we have to make this configurable.
+ // Everything else in the universe uses 'utf8', though.
+ this.defaultEncoding = options.defaultEncoding || 'utf8';
+
+ // not an actual buffer we keep track of, but a measurement
+ // of how much we're waiting to get pushed to some underlying
+ // socket or file.
+ this.length = 0;
+
+ // a flag to see when we're in the middle of a write.
+ this.writing = false;
+
+ // when true all writes will be buffered until .uncork() call
+ this.corked = 0;
+
+ // a flag to be able to tell if the onwrite cb is called immediately,
+ // or on a later tick. We set this to true at first, because any
+ // actions that shouldn't happen until "later" should generally also
+ // not happen before the first write call.
+ this.sync = true;
+
+ // a flag to know if we're processing previously buffered items, which
+ // may call the _write() callback in the same tick, so that we don't
+ // end up in an overlapped onwrite situation.
+ this.bufferProcessing = false;
+
+ // the callback that's passed to _write(chunk,cb)
+ this.onwrite = function (er) {
+ onwrite(stream, er);
+ };
+
+ // the callback that the user supplies to write(chunk,encoding,cb)
+ this.writecb = null;
+
+ // the amount that is being written when _write is called.
+ this.writelen = 0;
+
+ this.bufferedRequest = null;
+ this.lastBufferedRequest = null;
+
+ // number of pending user-supplied write callbacks
+ // this must be 0 before 'finish' can be emitted
+ this.pendingcb = 0;
+
+ // emit prefinish if the only thing we're waiting for is _write cbs
+ // This is relevant for synchronous Transform streams
+ this.prefinished = false;
+
+ // True if the error was already emitted and should not be thrown again
+ this.errorEmitted = false;
+
+ // count buffered requests
+ this.bufferedRequestCount = 0;
+
+ // allocate the first CorkedRequest, there is always
+ // one allocated and free to use, and we maintain at most two
+ this.corkedRequestsFree = new CorkedRequest(this);
+ }
+
+ WritableState.prototype.getBuffer = function writableStateGetBuffer() {
+ var current = this.bufferedRequest;
+ var out = [];
+ while (current) {
+ out.push(current);
+ current = current.next;
+ }
+ return out;
+ };
+ function Writable(options) {
+
+ // Writable ctor is applied to Duplexes, though they're not
+ // instanceof Writable, they're instanceof Readable.
+ if (!(this instanceof Writable) && !(this instanceof Duplex)) return new Writable(options);
+
+ this._writableState = new WritableState(options, this);
+
+ // legacy.
+ this.writable = true;
+
+ if (options) {
+ if (typeof options.write === 'function') this._write = options.write;
+
+ if (typeof options.writev === 'function') this._writev = options.writev;
+ }
+
+ EventEmitter$2.call(this);
+ }
+
+ // Otherwise people can pipe Writable streams, which is just wrong.
+ Writable.prototype.pipe = function () {
+ this.emit('error', new Error('Cannot pipe, not readable'));
+ };
+
+ function writeAfterEnd(stream, cb) {
+ var er = new Error('write after end');
+ // TODO: defer error events consistently everywhere, not just the cb
+ stream.emit('error', er);
+ nextTick(cb, er);
+ }
+
+ // If we get something that is not a buffer, string, null, or undefined,
+ // and we're not in objectMode, then that's an error.
+ // Otherwise stream chunks are all considered to be of length=1, and the
+ // watermarks determine how many objects to keep in the buffer, rather than
+ // how many bytes or characters.
+ function validChunk(stream, state, chunk, cb) {
+ var valid = true;
+ var er = false;
+ // Always throw error if a null is written
+ // if we are not in object mode then throw
+ // if it is not a buffer, string, or undefined.
+ if (chunk === null) {
+ er = new TypeError('May not write null values to stream');
+ } else if (!Buffer$1.isBuffer(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+ er = new TypeError('Invalid non-string/buffer chunk');
+ }
+ if (er) {
+ stream.emit('error', er);
+ nextTick(cb, er);
+ valid = false;
+ }
+ return valid;
+ }
+
+ Writable.prototype.write = function (chunk, encoding, cb) {
+ var state = this._writableState;
+ var ret = false;
+
+ if (typeof encoding === 'function') {
+ cb = encoding;
+ encoding = null;
+ }
+
+ if (Buffer$1.isBuffer(chunk)) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
+
+ if (typeof cb !== 'function') cb = nop;
+
+ if (state.ended) writeAfterEnd(this, cb);else if (validChunk(this, state, chunk, cb)) {
+ state.pendingcb++;
+ ret = writeOrBuffer(this, state, chunk, encoding, cb);
+ }
+
+ return ret;
+ };
+
+ Writable.prototype.cork = function () {
+ var state = this._writableState;
+
+ state.corked++;
+ };
+
+ Writable.prototype.uncork = function () {
+ var state = this._writableState;
+
+ if (state.corked) {
+ state.corked--;
+
+ if (!state.writing && !state.corked && !state.finished && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
+ }
+ };
+
+ Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
+ // node::ParseEncoding() requires lower case.
+ if (typeof encoding === 'string') encoding = encoding.toLowerCase();
+ if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding);
+ this._writableState.defaultEncoding = encoding;
+ return this;
+ };
+
+ function decodeChunk(state, chunk, encoding) {
+ if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
+ chunk = Buffer$1.from(chunk, encoding);
+ }
+ return chunk;
+ }
+
+ // if we're already writing something, then just put this
+ // in the queue, and wait our turn. Otherwise, call _write
+ // If we return false, then we need a drain event, so set that flag.
+ function writeOrBuffer(stream, state, chunk, encoding, cb) {
+ chunk = decodeChunk(state, chunk, encoding);
+
+ if (Buffer$1.isBuffer(chunk)) encoding = 'buffer';
+ var len = state.objectMode ? 1 : chunk.length;
+
+ state.length += len;
+
+ var ret = state.length < state.highWaterMark;
+ // we must ensure that previous needDrain will not be reset to false.
+ if (!ret) state.needDrain = true;
+
+ if (state.writing || state.corked) {
+ var last = state.lastBufferedRequest;
+ state.lastBufferedRequest = new WriteReq(chunk, encoding, cb);
+ if (last) {
+ last.next = state.lastBufferedRequest;
+ } else {
+ state.bufferedRequest = state.lastBufferedRequest;
+ }
+ state.bufferedRequestCount += 1;
+ } else {
+ doWrite(stream, state, false, len, chunk, encoding, cb);
+ }
+
+ return ret;
+ }
+
+ function doWrite(stream, state, writev, len, chunk, encoding, cb) {
+ state.writelen = len;
+ state.writecb = cb;
+ state.writing = true;
+ state.sync = true;
+ if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
+ state.sync = false;
+ }
+
+ function onwriteError(stream, state, sync, er, cb) {
+ --state.pendingcb;
+ if (sync) nextTick(cb, er);else cb(er);
+
+ stream._writableState.errorEmitted = true;
+ stream.emit('error', er);
+ }
+
+ function onwriteStateUpdate(state) {
+ state.writing = false;
+ state.writecb = null;
+ state.length -= state.writelen;
+ state.writelen = 0;
+ }
+
+ function onwrite(stream, er) {
+ var state = stream._writableState;
+ var sync = state.sync;
+ var cb = state.writecb;
+
+ onwriteStateUpdate(state);
+
+ if (er) onwriteError(stream, state, sync, er, cb);else {
+ // Check if we're actually ready to finish, but don't emit yet
+ var finished = needFinish(state);
+
+ if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
+ clearBuffer(stream, state);
+ }
+
+ if (sync) {
+ /**/
+ nextTick(afterWrite, stream, state, finished, cb);
+ /**/
+ } else {
+ afterWrite(stream, state, finished, cb);
+ }
+ }
+ }
+
+ function afterWrite(stream, state, finished, cb) {
+ if (!finished) onwriteDrain(stream, state);
+ state.pendingcb--;
+ cb();
+ finishMaybe(stream, state);
+ }
+
+ // Must force callback to be called on nextTick, so that we don't
+ // emit 'drain' before the write() consumer gets the 'false' return
+ // value, and has a chance to attach a 'drain' listener.
+ function onwriteDrain(stream, state) {
+ if (state.length === 0 && state.needDrain) {
+ state.needDrain = false;
+ stream.emit('drain');
+ }
+ }
+
+ // if there's something in the buffer waiting, then process it
+ function clearBuffer(stream, state) {
+ state.bufferProcessing = true;
+ var entry = state.bufferedRequest;
+
+ if (stream._writev && entry && entry.next) {
+ // Fast case, write everything using _writev()
+ var l = state.bufferedRequestCount;
+ var buffer = new Array(l);
+ var holder = state.corkedRequestsFree;
+ holder.entry = entry;
+
+ var count = 0;
+ while (entry) {
+ buffer[count] = entry;
+ entry = entry.next;
+ count += 1;
+ }
+
+ doWrite(stream, state, true, state.length, buffer, '', holder.finish);
+
+ // doWrite is almost always async, defer these to save a bit of time
+ // as the hot path ends with doWrite
+ state.pendingcb++;
+ state.lastBufferedRequest = null;
+ if (holder.next) {
+ state.corkedRequestsFree = holder.next;
+ holder.next = null;
+ } else {
+ state.corkedRequestsFree = new CorkedRequest(state);
+ }
+ } else {
+ // Slow case, write chunks one-by-one
+ while (entry) {
+ var chunk = entry.chunk;
+ var encoding = entry.encoding;
+ var cb = entry.callback;
+ var len = state.objectMode ? 1 : chunk.length;
+
+ doWrite(stream, state, false, len, chunk, encoding, cb);
+ entry = entry.next;
+ // if we didn't call the onwrite immediately, then
+ // it means that we need to wait until it does.
+ // also, that means that the chunk and cb are currently
+ // being processed, so move the buffer counter past them.
+ if (state.writing) {
+ break;
+ }
+ }
+
+ if (entry === null) state.lastBufferedRequest = null;
+ }
+
+ state.bufferedRequestCount = 0;
+ state.bufferedRequest = entry;
+ state.bufferProcessing = false;
+ }
+
+ Writable.prototype._write = function (chunk, encoding, cb) {
+ cb(new Error('not implemented'));
+ };
+
+ Writable.prototype._writev = null;
+
+ Writable.prototype.end = function (chunk, encoding, cb) {
+ var state = this._writableState;
+
+ if (typeof chunk === 'function') {
+ cb = chunk;
+ chunk = null;
+ encoding = null;
+ } else if (typeof encoding === 'function') {
+ cb = encoding;
+ encoding = null;
+ }
+
+ if (chunk !== null && chunk !== undefined) this.write(chunk, encoding);
+
+ // .end() fully uncorks
+ if (state.corked) {
+ state.corked = 1;
+ this.uncork();
+ }
+
+ // ignore unnecessary end() calls.
+ if (!state.ending && !state.finished) endWritable(this, state, cb);
+ };
+
+ function needFinish(state) {
+ return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
+ }
+
+ function prefinish(stream, state) {
+ if (!state.prefinished) {
+ state.prefinished = true;
+ stream.emit('prefinish');
+ }
+ }
+
+ function finishMaybe(stream, state) {
+ var need = needFinish(state);
+ if (need) {
+ if (state.pendingcb === 0) {
+ prefinish(stream, state);
+ state.finished = true;
+ stream.emit('finish');
+ } else {
+ prefinish(stream, state);
+ }
+ }
+ return need;
+ }
+
+ function endWritable(stream, state, cb) {
+ state.ending = true;
+ finishMaybe(stream, state);
+ if (cb) {
+ if (state.finished) nextTick(cb);else stream.once('finish', cb);
+ }
+ state.ended = true;
+ stream.writable = false;
+ }
+
+ // It seems a linked list but it is not
+ // there will be only 2 of these for each stream
+ function CorkedRequest(state) {
+ var _this = this;
+
+ this.next = null;
+ this.entry = null;
+
+ this.finish = function (err) {
+ var entry = _this.entry;
+ _this.entry = null;
+ while (entry) {
+ var cb = entry.callback;
+ state.pendingcb--;
+ cb(err);
+ entry = entry.next;
+ }
+ if (state.corkedRequestsFree) {
+ state.corkedRequestsFree.next = _this;
+ } else {
+ state.corkedRequestsFree = _this;
+ }
+ };
+ }
+
+ inherits$3(Duplex, Readable);
+
+ var keys = Object.keys(Writable.prototype);
+ for (var v = 0; v < keys.length; v++) {
+ var method = keys[v];
+ if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
+ }
+ function Duplex(options) {
+ if (!(this instanceof Duplex)) return new Duplex(options);
+
+ Readable.call(this, options);
+ Writable.call(this, options);
+
+ if (options && options.readable === false) this.readable = false;
+
+ if (options && options.writable === false) this.writable = false;
+
+ this.allowHalfOpen = true;
+ if (options && options.allowHalfOpen === false) this.allowHalfOpen = false;
+
+ this.once('end', onend);
+ }
+
+ // the no-half-open enforcer
+ function onend() {
+ // if we allow half-open state, or if the writable side ended,
+ // then we're ok.
+ if (this.allowHalfOpen || this._writableState.ended) return;
+
+ // no more data can be written.
+ // But allow more writes to happen in this tick.
+ nextTick(onEndNT, this);
+ }
+
+ function onEndNT(self) {
+ self.end();
+ }
+
+ // a transform stream is a readable/writable stream where you do
+ inherits$3(Transform, Duplex);
+
+ function TransformState(stream) {
+ this.afterTransform = function (er, data) {
+ return afterTransform(stream, er, data);
+ };
+
+ this.needTransform = false;
+ this.transforming = false;
+ this.writecb = null;
+ this.writechunk = null;
+ this.writeencoding = null;
+ }
+
+ function afterTransform(stream, er, data) {
+ var ts = stream._transformState;
+ ts.transforming = false;
+
+ var cb = ts.writecb;
+
+ if (!cb) return stream.emit('error', new Error('no writecb in Transform class'));
+
+ ts.writechunk = null;
+ ts.writecb = null;
+
+ if (data !== null && data !== undefined) stream.push(data);
+
+ cb(er);
+
+ var rs = stream._readableState;
+ rs.reading = false;
+ if (rs.needReadable || rs.length < rs.highWaterMark) {
+ stream._read(rs.highWaterMark);
+ }
+ }
+ function Transform(options) {
+ if (!(this instanceof Transform)) return new Transform(options);
+
+ Duplex.call(this, options);
+
+ this._transformState = new TransformState(this);
+
+ // when the writable side finishes, then flush out anything remaining.
+ var stream = this;
+
+ // start out asking for a readable event once data is transformed.
+ this._readableState.needReadable = true;
+
+ // we have implemented the _read method, and done the other things
+ // that Readable wants before the first _read call, so unset the
+ // sync guard flag.
+ this._readableState.sync = false;
+
+ if (options) {
+ if (typeof options.transform === 'function') this._transform = options.transform;
+
+ if (typeof options.flush === 'function') this._flush = options.flush;
+ }
+
+ this.once('prefinish', function () {
+ if (typeof this._flush === 'function') this._flush(function (er) {
+ done(stream, er);
+ });else done(stream);
+ });
+ }
+
+ Transform.prototype.push = function (chunk, encoding) {
+ this._transformState.needTransform = false;
+ return Duplex.prototype.push.call(this, chunk, encoding);
+ };
+
+ // This is the part where you do stuff!
+ // override this function in implementation classes.
+ // 'chunk' is an input chunk.
+ //
+ // Call `push(newChunk)` to pass along transformed output
+ // to the readable side. You may call 'push' zero or more times.
+ //
+ // Call `cb(err)` when you are done with this chunk. If you pass
+ // an error, then that'll put the hurt on the whole operation. If you
+ // never call cb(), then you'll never get another chunk.
+ Transform.prototype._transform = function (chunk, encoding, cb) {
+ throw new Error('Not implemented');
+ };
+
+ Transform.prototype._write = function (chunk, encoding, cb) {
+ var ts = this._transformState;
+ ts.writecb = cb;
+ ts.writechunk = chunk;
+ ts.writeencoding = encoding;
+ if (!ts.transforming) {
+ var rs = this._readableState;
+ if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
+ }
+ };
+
+ // Doesn't matter what the args are here.
+ // _transform does all the work.
+ // That we got here means that the readable side wants more data.
+ Transform.prototype._read = function (n) {
+ var ts = this._transformState;
+
+ if (ts.writechunk !== null && ts.writecb && !ts.transforming) {
+ ts.transforming = true;
+ this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
+ } else {
+ // mark that we need a transform, so that any data that comes in
+ // will get processed, now that we've asked for it.
+ ts.needTransform = true;
+ }
+ };
+
+ function done(stream, er) {
+ if (er) return stream.emit('error', er);
+
+ // if there's nothing in the write buffer, then that means
+ // that nothing more will ever be provided
+ var ws = stream._writableState;
+ var ts = stream._transformState;
+
+ if (ws.length) throw new Error('Calling transform done when ws.length != 0');
+
+ if (ts.transforming) throw new Error('Calling transform done when still transforming');
+
+ return stream.push(null);
+ }
+
+ inherits$3(PassThrough, Transform);
+ function PassThrough(options) {
+ if (!(this instanceof PassThrough)) return new PassThrough(options);
+
+ Transform.call(this, options);
+ }
+
+ PassThrough.prototype._transform = function (chunk, encoding, cb) {
+ cb(null, chunk);
+ };
+
+ inherits$3(Stream, EventEmitter$2);
+ Stream.Readable = Readable;
+ Stream.Writable = Writable;
+ Stream.Duplex = Duplex;
+ Stream.Transform = Transform;
+ Stream.PassThrough = PassThrough;
+
+ // Backwards-compat with node 0.4.x
+ Stream.Stream = Stream;
+
+ // old-style streams. Note that the pipe method (the only relevant
+ // part of this class) is overridden in the Readable class.
+
+ function Stream() {
+ EventEmitter$2.call(this);
+ }
+
+ Stream.prototype.pipe = function(dest, options) {
+ var source = this;
+
+ function ondata(chunk) {
+ if (dest.writable) {
+ if (false === dest.write(chunk) && source.pause) {
+ source.pause();
+ }
+ }
+ }
+
+ source.on('data', ondata);
+
+ function ondrain() {
+ if (source.readable && source.resume) {
+ source.resume();
+ }
+ }
+
+ dest.on('drain', ondrain);
+
+ // If the 'end' option is not supplied, dest.end() will be called when
+ // source gets the 'end' or 'close' events. Only dest.end() once.
+ if (!dest._isStdio && (!options || options.end !== false)) {
+ source.on('end', onend);
+ source.on('close', onclose);
+ }
+
+ var didOnEnd = false;
+ function onend() {
+ if (didOnEnd) return;
+ didOnEnd = true;
+
+ dest.end();
+ }
+
+
+ function onclose() {
+ if (didOnEnd) return;
+ didOnEnd = true;
+
+ if (typeof dest.destroy === 'function') dest.destroy();
+ }
+
+ // don't leave dangling pipes when there are errors.
+ function onerror(er) {
+ cleanup();
+ if (EventEmitter$2.listenerCount(this, 'error') === 0) {
+ throw er; // Unhandled stream error in pipe.
+ }
+ }
+
+ source.on('error', onerror);
+ dest.on('error', onerror);
+
+ // remove all the event listeners that were added.
+ function cleanup() {
+ source.removeListener('data', ondata);
+ dest.removeListener('drain', ondrain);
+
+ source.removeListener('end', onend);
+ source.removeListener('close', onclose);
+
+ source.removeListener('error', onerror);
+ dest.removeListener('error', onerror);
+
+ source.removeListener('end', cleanup);
+ source.removeListener('close', cleanup);
+
+ dest.removeListener('close', cleanup);
+ }
+
+ source.on('end', cleanup);
+ source.on('close', cleanup);
+
+ dest.on('close', cleanup);
+
+ dest.emit('pipe', source);
+
+ // Allow for unix-like usage: A.pipe(B).pipe(C)
+ return dest;
+ };
+
+ var _polyfillNode_stream = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ 'default': Stream,
+ Readable: Readable,
+ Writable: Writable,
+ Duplex: Duplex,
+ Transform: Transform,
+ PassThrough: PassThrough,
+ Stream: Stream
+ });
+
+ var require$$0$2 = /*@__PURE__*/getAugmentedNamespace(_polyfillNode_stream);
+
+ var require$$0$1 = /*@__PURE__*/getAugmentedNamespace(_polyfillNode_util$1);
+
+ var WritableStream = require$$0$2.Writable;
+ var inherits$1 = require$$0$1.inherits;
+
+ var browserStdout = BrowserStdout;
+
+
+ inherits$1(BrowserStdout, WritableStream);
+
+ function BrowserStdout(opts) {
+ if (!(this instanceof BrowserStdout)) return new BrowserStdout(opts)
+
+ opts = opts || {};
+ WritableStream.call(this, opts);
+ this.label = (opts.label !== undefined) ? opts.label : 'stdout';
+ }
+
+ BrowserStdout.prototype._write = function(chunks, encoding, cb) {
+ var output = chunks.toString ? chunks.toString() : chunks;
+ if (this.label === false) {
+ console.log(output);
+ } else {
+ console.log(this.label+':', output);
+ }
+ nextTick$1(cb);
+ };
+
+ /**
+ * Parse the given `qs`.
+ *
+ * @private
+ * @param {string} qs
+ * @return {Object}
+ */
+ var parseQuery$1 = function parseQuery(qs) {
+ return qs
+ .replace('?', '')
+ .split('&')
+ .reduce(function (obj, pair) {
+ var i = pair.indexOf('=');
+ var key = pair.slice(0, i);
+ var val = pair.slice(++i);
+
+ // Due to how the URLSearchParams API treats spaces
+ obj[key] = decodeURIComponent(val.replace(/\+/g, '%20'));
+
+ return obj;
+ }, {});
+ };
+
+ /**
+ * Highlight the given string of `js`.
+ *
+ * @private
+ * @param {string} js
+ * @return {string}
+ */
+ function highlight(js) {
+ return js
+ .replace(//g, '>')
+ .replace(/\/\/(.*)/gm, '')
+ .replace(/('.*?')/gm, '$1')
+ .replace(/(\d+\.\d+)/gm, '$1')
+ .replace(/(\d+)/gm, '$1')
+ .replace(
+ /\bnew[ \t]+(\w+)/gm,
+ 'new $1'
+ )
+ .replace(
+ /\b(function|new|throw|return|var|if|else)\b/gm,
+ '$1'
+ );
+ }
+
+ /**
+ * Highlight the contents of tag `name`.
+ *
+ * @private
+ * @param {string} name
+ */
+ var highlightTags$1 = function highlightTags(name) {
+ var code = document.getElementById('mocha').getElementsByTagName(name);
+ for (var i = 0, len = code.length; i < len; ++i) {
+ code[i].innerHTML = highlight(code[i].innerHTML);
+ }
+ };
+
+ var mocha$1 = {exports: {}};
+
+ var escapeStringRegexp = string => {
+ if (typeof string !== 'string') {
+ throw new TypeError('Expected a string');
+ }
+
+ // Escape characters with special meaning either inside or outside character sets.
+ // Use a simple backslash escape when it’s always valid, and a \unnnn escape when the simpler form would be disallowed by Unicode patterns’ stricter grammar.
+ return string
+ .replace(/[|\\{}()[\]^$+*?.]/g, '\\$&')
+ .replace(/-/g, '\\x2d');
+ };
+
+ // 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.
+
+ // resolves . and .. elements in a path array with directory names there
+ // must be no slashes, empty elements, or device names (c:\) in the array
+ // (so also no leading and trailing slashes - it does not distinguish
+ // relative and absolute paths)
+ function normalizeArray(parts, allowAboveRoot) {
+ // if the path tries to go above the root, `up` ends up > 0
+ var up = 0;
+ for (var i = parts.length - 1; i >= 0; i--) {
+ var last = parts[i];
+ if (last === '.') {
+ parts.splice(i, 1);
+ } else if (last === '..') {
+ parts.splice(i, 1);
+ up++;
+ } else if (up) {
+ parts.splice(i, 1);
+ up--;
+ }
+ }
+
+ // if the path is allowed to go above the root, restore leading ..s
+ if (allowAboveRoot) {
+ for (; up--; up) {
+ parts.unshift('..');
+ }
+ }
+
+ return parts;
+ }
+
+ // Split a filename into [root, dir, basename, ext], unix version
+ // 'root' is just a slash, or nothing.
+ var splitPathRe =
+ /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+ var splitPath = function(filename) {
+ return splitPathRe.exec(filename).slice(1);
+ };
+
+ // path.resolve([from ...], to)
+ // posix version
+ function resolve() {
+ var resolvedPath = '',
+ resolvedAbsolute = false;
+
+ for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+ var path = (i >= 0) ? arguments[i] : '/';
+
+ // Skip empty and invalid entries
+ if (typeof path !== 'string') {
+ throw new TypeError('Arguments to path.resolve must be strings');
+ } else if (!path) {
+ continue;
+ }
+
+ resolvedPath = path + '/' + resolvedPath;
+ resolvedAbsolute = path.charAt(0) === '/';
+ }
+
+ // At this point the path should be resolved to a full absolute path, but
+ // handle relative paths to be safe (might happen when process.cwd() fails)
+
+ // Normalize the path
+ resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
+ return !!p;
+ }), !resolvedAbsolute).join('/');
+
+ return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
+ }
+ // path.normalize(path)
+ // posix version
+ function normalize(path) {
+ var isPathAbsolute = isAbsolute(path),
+ trailingSlash = substr(path, -1) === '/';
+
+ // Normalize the path
+ path = normalizeArray(filter(path.split('/'), function(p) {
+ return !!p;
+ }), !isPathAbsolute).join('/');
+
+ if (!path && !isPathAbsolute) {
+ path = '.';
+ }
+ if (path && trailingSlash) {
+ path += '/';
+ }
+
+ return (isPathAbsolute ? '/' : '') + path;
+ }
+ // posix version
+ function isAbsolute(path) {
+ return path.charAt(0) === '/';
+ }
+
+ // posix version
+ function join() {
+ var paths = Array.prototype.slice.call(arguments, 0);
+ return normalize(filter(paths, function(p, index) {
+ if (typeof p !== 'string') {
+ throw new TypeError('Arguments to path.join must be strings');
+ }
+ return p;
+ }).join('/'));
+ }
+
+
+ // path.relative(from, to)
+ // posix version
+ function relative(from, to) {
+ from = resolve(from).substr(1);
+ to = resolve(to).substr(1);
+
+ function trim(arr) {
+ var start = 0;
+ for (; start < arr.length; start++) {
+ if (arr[start] !== '') break;
+ }
+
+ var end = arr.length - 1;
+ for (; end >= 0; end--) {
+ if (arr[end] !== '') break;
+ }
+
+ if (start > end) return [];
+ return arr.slice(start, end - start + 1);
+ }
+
+ var fromParts = trim(from.split('/'));
+ var toParts = trim(to.split('/'));
+
+ var length = Math.min(fromParts.length, toParts.length);
+ var samePartsLength = length;
+ for (var i = 0; i < length; i++) {
+ if (fromParts[i] !== toParts[i]) {
+ samePartsLength = i;
+ break;
+ }
+ }
+
+ var outputParts = [];
+ for (var i = samePartsLength; i < fromParts.length; i++) {
+ outputParts.push('..');
+ }
+
+ outputParts = outputParts.concat(toParts.slice(samePartsLength));
+
+ return outputParts.join('/');
+ }
+
+ var sep = '/';
+ var delimiter = ':';
+
+ function dirname(path) {
+ var result = splitPath(path),
+ root = result[0],
+ dir = result[1];
+
+ if (!root && !dir) {
+ // No dirname whatsoever
+ return '.';
+ }
+
+ if (dir) {
+ // It has a dirname, strip trailing slash
+ dir = dir.substr(0, dir.length - 1);
+ }
+
+ return root + dir;
+ }
+
+ function basename(path, ext) {
+ var f = splitPath(path)[2];
+ // TODO: make this comparison case-insensitive on windows?
+ if (ext && f.substr(-1 * ext.length) === ext) {
+ f = f.substr(0, f.length - ext.length);
+ }
+ return f;
+ }
+
+
+ function extname(path) {
+ return splitPath(path)[3];
+ }
+ var _polyfillNode_path = {
+ extname: extname,
+ basename: basename,
+ dirname: dirname,
+ sep: sep,
+ delimiter: delimiter,
+ relative: relative,
+ join: join,
+ isAbsolute: isAbsolute,
+ normalize: normalize,
+ resolve: resolve
+ };
+ function filter (xs, f) {
+ if (xs.filter) return xs.filter(f);
+ var res = [];
+ for (var i = 0; i < xs.length; i++) {
+ if (f(xs[i], i, xs)) res.push(xs[i]);
+ }
+ return res;
+ }
+
+ // String.prototype.substr - negative index don't work in IE8
+ var substr = 'ab'.substr(-1) === 'b' ?
+ function (str, start, len) { return str.substr(start, len) } :
+ function (str, start, len) {
+ if (start < 0) start = str.length + start;
+ return str.substr(start, len);
+ }
+ ;
+
+ var _polyfillNode_path$1 = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ resolve: resolve,
+ normalize: normalize,
+ isAbsolute: isAbsolute,
+ join: join,
+ relative: relative,
+ sep: sep,
+ delimiter: delimiter,
+ dirname: dirname,
+ basename: basename,
+ extname: extname,
+ 'default': _polyfillNode_path
+ });
+
+ var require$$1 = /*@__PURE__*/getAugmentedNamespace(_polyfillNode_path$1);
+
+ var reporters = {};
+
+ var base$1 = {exports: {}};
+
+ var lib = {};
+
+ var base = {};
+
+ /*istanbul ignore start*/
+
+ (function (exports) {
+
+ Object.defineProperty(exports, "__esModule", {
+ value: true
+ });
+ exports["default"] = Diff;
+
+ /*istanbul ignore end*/
+ function Diff() {}
+
+ Diff.prototype = {
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+ diff: function diff(oldString, newString) {
+ /*istanbul ignore start*/
+ var
+ /*istanbul ignore end*/
+ options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+ var callback = options.callback;
+
+ if (typeof options === 'function') {
+ callback = options;
+ options = {};
+ }
+
+ this.options = options;
+ var self = this;
+
+ function done(value) {
+ if (callback) {
+ setTimeout(function () {
+ callback(undefined, value);
+ }, 0);
+ return true;
+ } else {
+ return value;
+ }
+ } // Allow subclasses to massage the input prior to running
+
+
+ oldString = this.castInput(oldString);
+ newString = this.castInput(newString);
+ oldString = this.removeEmpty(this.tokenize(oldString));
+ newString = this.removeEmpty(this.tokenize(newString));
+ var newLen = newString.length,
+ oldLen = oldString.length;
+ var editLength = 1;
+ var maxEditLength = newLen + oldLen;
+ var bestPath = [{
+ newPos: -1,
+ components: []
+ }]; // Seed editLength = 0, i.e. the content starts with the same values
+
+ var oldPos = this.extractCommon(bestPath[0], newString, oldString, 0);
+
+ if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {
+ // Identity per the equality and tokenizer
+ return done([{
+ value: this.join(newString),
+ count: newString.length
+ }]);
+ } // Main worker method. checks all permutations of a given edit length for acceptance.
+
+
+ function execEditLength() {
+ for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {
+ var basePath =
+ /*istanbul ignore start*/
+ void 0
+ /*istanbul ignore end*/
+ ;
+
+ var addPath = bestPath[diagonalPath - 1],
+ removePath = bestPath[diagonalPath + 1],
+ _oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;
+
+ if (addPath) {
+ // No one else is going to attempt to use this value, clear it
+ bestPath[diagonalPath - 1] = undefined;
+ }
+
+ var canAdd = addPath && addPath.newPos + 1 < newLen,
+ canRemove = removePath && 0 <= _oldPos && _oldPos < oldLen;
+
+ if (!canAdd && !canRemove) {
+ // If this path is a terminal then prune
+ bestPath[diagonalPath] = undefined;
+ continue;
+ } // Select the diagonal that we want to branch from. We select the prior
+ // path whose position in the new string is the farthest from the origin
+ // and does not pass the bounds of the diff graph
+
+
+ if (!canAdd || canRemove && addPath.newPos < removePath.newPos) {
+ basePath = clonePath(removePath);
+ self.pushComponent(basePath.components, undefined, true);
+ } else {
+ basePath = addPath; // No need to clone, we've pulled it from the list
+
+ basePath.newPos++;
+ self.pushComponent(basePath.components, true, undefined);
+ }
+
+ _oldPos = self.extractCommon(basePath, newString, oldString, diagonalPath); // If we have hit the end of both strings, then we are done
+
+ if (basePath.newPos + 1 >= newLen && _oldPos + 1 >= oldLen) {
+ return done(buildValues(self, basePath.components, newString, oldString, self.useLongestToken));
+ } else {
+ // Otherwise track this path as a potential candidate and continue.
+ bestPath[diagonalPath] = basePath;
+ }
+ }
+
+ editLength++;
+ } // Performs the length of edit iteration. Is a bit fugly as this has to support the
+ // sync and async mode which is never fun. Loops over execEditLength until a value
+ // is produced.
+
+
+ if (callback) {
+ (function exec() {
+ setTimeout(function () {
+ // This should not happen, but we want to be safe.
+
+ /* istanbul ignore next */
+ if (editLength > maxEditLength) {
+ return callback();
+ }
+
+ if (!execEditLength()) {
+ exec();
+ }
+ }, 0);
+ })();
+ } else {
+ while (editLength <= maxEditLength) {
+ var ret = execEditLength();
+
+ if (ret) {
+ return ret;
+ }
+ }
+ }
+ },
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+ pushComponent: function pushComponent(components, added, removed) {
+ var last = components[components.length - 1];
+
+ if (last && last.added === added && last.removed === removed) {
+ // We need to clone here as the component clone operation is just
+ // as shallow array clone
+ components[components.length - 1] = {
+ count: last.count + 1,
+ added: added,
+ removed: removed
+ };
+ } else {
+ components.push({
+ count: 1,
+ added: added,
+ removed: removed
+ });
+ }
+ },
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+ extractCommon: function extractCommon(basePath, newString, oldString, diagonalPath) {
+ var newLen = newString.length,
+ oldLen = oldString.length,
+ newPos = basePath.newPos,
+ oldPos = newPos - diagonalPath,
+ commonCount = 0;
+
+ while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) {
+ newPos++;
+ oldPos++;
+ commonCount++;
+ }
+
+ if (commonCount) {
+ basePath.components.push({
+ count: commonCount
+ });
+ }
+
+ basePath.newPos = newPos;
+ return oldPos;
+ },
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+ equals: function equals(left, right) {
+ if (this.options.comparator) {
+ return this.options.comparator(left, right);
+ } else {
+ return left === right || this.options.ignoreCase && left.toLowerCase() === right.toLowerCase();
+ }
+ },
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+ removeEmpty: function removeEmpty(array) {
+ var ret = [];
+
+ for (var i = 0; i < array.length; i++) {
+ if (array[i]) {
+ ret.push(array[i]);
+ }
+ }
+
+ return ret;
+ },
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+ castInput: function castInput(value) {
+ return value;
+ },
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+ tokenize: function tokenize(value) {
+ return value.split('');
+ },
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+ join: function join(chars) {
+ return chars.join('');
+ }
+ };
+
+ function buildValues(diff, components, newString, oldString, useLongestToken) {
+ var componentPos = 0,
+ componentLen = components.length,
+ newPos = 0,
+ oldPos = 0;
+
+ for (; componentPos < componentLen; componentPos++) {
+ var component = components[componentPos];
+
+ if (!component.removed) {
+ if (!component.added && useLongestToken) {
+ var value = newString.slice(newPos, newPos + component.count);
+ value = value.map(function (value, i) {
+ var oldValue = oldString[oldPos + i];
+ return oldValue.length > value.length ? oldValue : value;
+ });
+ component.value = diff.join(value);
+ } else {
+ component.value = diff.join(newString.slice(newPos, newPos + component.count));
+ }
+
+ newPos += component.count; // Common case
+
+ if (!component.added) {
+ oldPos += component.count;
+ }
+ } else {
+ component.value = diff.join(oldString.slice(oldPos, oldPos + component.count));
+ oldPos += component.count; // Reverse add and remove so removes are output first to match common convention
+ // The diffing algorithm is tied to add then remove output and this is the simplest
+ // route to get the desired output with minimal overhead.
+
+ if (componentPos && components[componentPos - 1].added) {
+ var tmp = components[componentPos - 1];
+ components[componentPos - 1] = components[componentPos];
+ components[componentPos] = tmp;
+ }
+ }
+ } // Special case handle for when one terminal is ignored (i.e. whitespace).
+ // For this case we merge the terminal into the prior string and drop the change.
+ // This is only available for string mode.
+
+
+ var lastComponent = components[componentLen - 1];
+
+ if (componentLen > 1 && typeof lastComponent.value === 'string' && (lastComponent.added || lastComponent.removed) && diff.equals('', lastComponent.value)) {
+ components[componentLen - 2].value += lastComponent.value;
+ components.pop();
+ }
+
+ return components;
+ }
+
+ function clonePath(path) {
+ return {
+ newPos: path.newPos,
+ components: path.components.slice(0)
+ };
+ }
+
+ }(base));
+
+ var character = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(character, "__esModule", {
+ value: true
+ });
+ character.diffChars = diffChars;
+ character.characterDiff = void 0;
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _base$6 = _interopRequireDefault$7(base)
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _interopRequireDefault$7(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+ /*istanbul ignore end*/
+ var characterDiff = new
+ /*istanbul ignore start*/
+ _base$6
+ /*istanbul ignore end*/
+ [
+ /*istanbul ignore start*/
+ "default"
+ /*istanbul ignore end*/
+ ]();
+
+ /*istanbul ignore start*/
+ character.characterDiff = characterDiff;
+
+ /*istanbul ignore end*/
+ function diffChars(oldStr, newStr, options) {
+ return characterDiff.diff(oldStr, newStr, options);
+ }
+
+ var word = {};
+
+ var params = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(params, "__esModule", {
+ value: true
+ });
+ params.generateOptions = generateOptions;
+
+ /*istanbul ignore end*/
+ function generateOptions(options, defaults) {
+ if (typeof options === 'function') {
+ defaults.callback = options;
+ } else if (options) {
+ for (var name in options) {
+ /* istanbul ignore else */
+ if (options.hasOwnProperty(name)) {
+ defaults[name] = options[name];
+ }
+ }
+ }
+
+ return defaults;
+ }
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(word, "__esModule", {
+ value: true
+ });
+ word.diffWords = diffWords;
+ word.diffWordsWithSpace = diffWordsWithSpace;
+ word.wordDiff = void 0;
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _base$5 = _interopRequireDefault$6(base)
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _params$1 = params
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _interopRequireDefault$6(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+ /*istanbul ignore end*/
+ // Based on https://en.wikipedia.org/wiki/Latin_script_in_Unicode
+ //
+ // Ranges and exceptions:
+ // Latin-1 Supplement, 0080–00FF
+ // - U+00D7 × Multiplication sign
+ // - U+00F7 ÷ Division sign
+ // Latin Extended-A, 0100–017F
+ // Latin Extended-B, 0180–024F
+ // IPA Extensions, 0250–02AF
+ // Spacing Modifier Letters, 02B0–02FF
+ // - U+02C7 ˇ ˇ Caron
+ // - U+02D8 ˘ ˘ Breve
+ // - U+02D9 ˙ ˙ Dot Above
+ // - U+02DA ˚ ˚ Ring Above
+ // - U+02DB ˛ ˛ Ogonek
+ // - U+02DC ˜ ˜ Small Tilde
+ // - U+02DD ˝ ˝ Double Acute Accent
+ // Latin Extended Additional, 1E00–1EFF
+ var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/;
+ var reWhitespace = /\S/;
+ var wordDiff = new
+ /*istanbul ignore start*/
+ _base$5
+ /*istanbul ignore end*/
+ [
+ /*istanbul ignore start*/
+ "default"
+ /*istanbul ignore end*/
+ ]();
+
+ /*istanbul ignore start*/
+ word.wordDiff = wordDiff;
+
+ /*istanbul ignore end*/
+ wordDiff.equals = function (left, right) {
+ if (this.options.ignoreCase) {
+ left = left.toLowerCase();
+ right = right.toLowerCase();
+ }
+
+ return left === right || this.options.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right);
+ };
+
+ wordDiff.tokenize = function (value) {
+ // All whitespace symbols except newline group into one token, each newline - in separate token
+ var tokens = value.split(/([^\S\r\n]+|[()[\]{}'"\r\n]|\b)/); // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set.
+
+ for (var i = 0; i < tokens.length - 1; i++) {
+ // If we have an empty string in the next field and we have only word chars before and after, merge
+ if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) {
+ tokens[i] += tokens[i + 2];
+ tokens.splice(i + 1, 2);
+ i--;
+ }
+ }
+
+ return tokens;
+ };
+
+ function diffWords(oldStr, newStr, options) {
+ options =
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _params$1
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ generateOptions)
+ /*istanbul ignore end*/
+ (options, {
+ ignoreWhitespace: true
+ });
+ return wordDiff.diff(oldStr, newStr, options);
+ }
+
+ function diffWordsWithSpace(oldStr, newStr, options) {
+ return wordDiff.diff(oldStr, newStr, options);
+ }
+
+ var line = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(line, "__esModule", {
+ value: true
+ });
+ line.diffLines = diffLines;
+ line.diffTrimmedLines = diffTrimmedLines;
+ line.lineDiff = void 0;
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _base$4 = _interopRequireDefault$5(base)
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _params = params
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _interopRequireDefault$5(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+ /*istanbul ignore end*/
+ var lineDiff = new
+ /*istanbul ignore start*/
+ _base$4
+ /*istanbul ignore end*/
+ [
+ /*istanbul ignore start*/
+ "default"
+ /*istanbul ignore end*/
+ ]();
+
+ /*istanbul ignore start*/
+ line.lineDiff = lineDiff;
+
+ /*istanbul ignore end*/
+ lineDiff.tokenize = function (value) {
+ var retLines = [],
+ linesAndNewlines = value.split(/(\n|\r\n)/); // Ignore the final empty token that occurs if the string ends with a new line
+
+ if (!linesAndNewlines[linesAndNewlines.length - 1]) {
+ linesAndNewlines.pop();
+ } // Merge the content and line separators into single tokens
+
+
+ for (var i = 0; i < linesAndNewlines.length; i++) {
+ var line = linesAndNewlines[i];
+
+ if (i % 2 && !this.options.newlineIsToken) {
+ retLines[retLines.length - 1] += line;
+ } else {
+ if (this.options.ignoreWhitespace) {
+ line = line.trim();
+ }
+
+ retLines.push(line);
+ }
+ }
+
+ return retLines;
+ };
+
+ function diffLines(oldStr, newStr, callback) {
+ return lineDiff.diff(oldStr, newStr, callback);
+ }
+
+ function diffTrimmedLines(oldStr, newStr, callback) {
+ var options =
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _params
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ generateOptions)
+ /*istanbul ignore end*/
+ (callback, {
+ ignoreWhitespace: true
+ });
+ return lineDiff.diff(oldStr, newStr, options);
+ }
+
+ var sentence = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(sentence, "__esModule", {
+ value: true
+ });
+ sentence.diffSentences = diffSentences;
+ sentence.sentenceDiff = void 0;
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _base$3 = _interopRequireDefault$4(base)
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _interopRequireDefault$4(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+ /*istanbul ignore end*/
+ var sentenceDiff = new
+ /*istanbul ignore start*/
+ _base$3
+ /*istanbul ignore end*/
+ [
+ /*istanbul ignore start*/
+ "default"
+ /*istanbul ignore end*/
+ ]();
+
+ /*istanbul ignore start*/
+ sentence.sentenceDiff = sentenceDiff;
+
+ /*istanbul ignore end*/
+ sentenceDiff.tokenize = function (value) {
+ return value.split(/(\S.+?[.!?])(?=\s+|$)/);
+ };
+
+ function diffSentences(oldStr, newStr, callback) {
+ return sentenceDiff.diff(oldStr, newStr, callback);
+ }
+
+ var css = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(css, "__esModule", {
+ value: true
+ });
+ css.diffCss = diffCss;
+ css.cssDiff = void 0;
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _base$2 = _interopRequireDefault$3(base)
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _interopRequireDefault$3(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+ /*istanbul ignore end*/
+ var cssDiff = new
+ /*istanbul ignore start*/
+ _base$2
+ /*istanbul ignore end*/
+ [
+ /*istanbul ignore start*/
+ "default"
+ /*istanbul ignore end*/
+ ]();
+
+ /*istanbul ignore start*/
+ css.cssDiff = cssDiff;
+
+ /*istanbul ignore end*/
+ cssDiff.tokenize = function (value) {
+ return value.split(/([{}:;,]|\s+)/);
+ };
+
+ function diffCss(oldStr, newStr, callback) {
+ return cssDiff.diff(oldStr, newStr, callback);
+ }
+
+ var json$1 = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(json$1, "__esModule", {
+ value: true
+ });
+ json$1.diffJson = diffJson;
+ json$1.canonicalize = canonicalize;
+ json$1.jsonDiff = void 0;
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _base$1 = _interopRequireDefault$2(base)
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _line$1 = line
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _interopRequireDefault$2(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+ function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+ /*istanbul ignore end*/
+ var objectPrototypeToString = Object.prototype.toString;
+ var jsonDiff = new
+ /*istanbul ignore start*/
+ _base$1
+ /*istanbul ignore end*/
+ [
+ /*istanbul ignore start*/
+ "default"
+ /*istanbul ignore end*/
+ ](); // Discriminate between two lines of pretty-printed, serialized JSON where one of them has a
+ // dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output:
+
+ /*istanbul ignore start*/
+ json$1.jsonDiff = jsonDiff;
+
+ /*istanbul ignore end*/
+ jsonDiff.useLongestToken = true;
+ jsonDiff.tokenize =
+ /*istanbul ignore start*/
+ _line$1
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ lineDiff
+ /*istanbul ignore end*/
+ .tokenize;
+
+ jsonDiff.castInput = function (value) {
+ /*istanbul ignore start*/
+ var _this$options =
+ /*istanbul ignore end*/
+ this.options,
+ undefinedReplacement = _this$options.undefinedReplacement,
+ _this$options$stringi = _this$options.stringifyReplacer,
+ stringifyReplacer = _this$options$stringi === void 0 ? function (k, v)
+ /*istanbul ignore start*/
+ {
+ return (
+ /*istanbul ignore end*/
+ typeof v === 'undefined' ? undefinedReplacement : v
+ );
+ } : _this$options$stringi;
+ return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, ' ');
+ };
+
+ jsonDiff.equals = function (left, right) {
+ return (
+ /*istanbul ignore start*/
+ _base$1
+ /*istanbul ignore end*/
+ [
+ /*istanbul ignore start*/
+ "default"
+ /*istanbul ignore end*/
+ ].prototype.equals.call(jsonDiff, left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1'))
+ );
+ };
+
+ function diffJson(oldObj, newObj, options) {
+ return jsonDiff.diff(oldObj, newObj, options);
+ } // This function handles the presence of circular references by bailing out when encountering an
+ // object that is already on the "stack" of items being processed. Accepts an optional replacer
+
+
+ function canonicalize(obj, stack, replacementStack, replacer, key) {
+ stack = stack || [];
+ replacementStack = replacementStack || [];
+
+ if (replacer) {
+ obj = replacer(key, obj);
+ }
+
+ var i;
+
+ for (i = 0; i < stack.length; i += 1) {
+ if (stack[i] === obj) {
+ return replacementStack[i];
+ }
+ }
+
+ var canonicalizedObj;
+
+ if ('[object Array]' === objectPrototypeToString.call(obj)) {
+ stack.push(obj);
+ canonicalizedObj = new Array(obj.length);
+ replacementStack.push(canonicalizedObj);
+
+ for (i = 0; i < obj.length; i += 1) {
+ canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key);
+ }
+
+ stack.pop();
+ replacementStack.pop();
+ return canonicalizedObj;
+ }
+
+ if (obj && obj.toJSON) {
+ obj = obj.toJSON();
+ }
+
+ if (
+ /*istanbul ignore start*/
+ _typeof(
+ /*istanbul ignore end*/
+ obj) === 'object' && obj !== null) {
+ stack.push(obj);
+ canonicalizedObj = {};
+ replacementStack.push(canonicalizedObj);
+
+ var sortedKeys = [],
+ _key;
+
+ for (_key in obj) {
+ /* istanbul ignore else */
+ if (obj.hasOwnProperty(_key)) {
+ sortedKeys.push(_key);
+ }
+ }
+
+ sortedKeys.sort();
+
+ for (i = 0; i < sortedKeys.length; i += 1) {
+ _key = sortedKeys[i];
+ canonicalizedObj[_key] = canonicalize(obj[_key], stack, replacementStack, replacer, _key);
+ }
+
+ stack.pop();
+ replacementStack.pop();
+ } else {
+ canonicalizedObj = obj;
+ }
+
+ return canonicalizedObj;
+ }
+
+ var array$1 = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(array$1, "__esModule", {
+ value: true
+ });
+ array$1.diffArrays = diffArrays;
+ array$1.arrayDiff = void 0;
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _base = _interopRequireDefault$1(base)
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _interopRequireDefault$1(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+ /*istanbul ignore end*/
+ var arrayDiff = new
+ /*istanbul ignore start*/
+ _base
+ /*istanbul ignore end*/
+ [
+ /*istanbul ignore start*/
+ "default"
+ /*istanbul ignore end*/
+ ]();
+
+ /*istanbul ignore start*/
+ array$1.arrayDiff = arrayDiff;
+
+ /*istanbul ignore end*/
+ arrayDiff.tokenize = function (value) {
+ return value.slice();
+ };
+
+ arrayDiff.join = arrayDiff.removeEmpty = function (value) {
+ return value;
+ };
+
+ function diffArrays(oldArr, newArr, callback) {
+ return arrayDiff.diff(oldArr, newArr, callback);
+ }
+
+ var apply = {};
+
+ var parse$2 = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(parse$2, "__esModule", {
+ value: true
+ });
+ parse$2.parsePatch = parsePatch;
+
+ /*istanbul ignore end*/
+ function parsePatch(uniDiff) {
+ /*istanbul ignore start*/
+ var
+ /*istanbul ignore end*/
+ options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var diffstr = uniDiff.split(/\r\n|[\n\v\f\r\x85]/),
+ delimiters = uniDiff.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+ list = [],
+ i = 0;
+
+ function parseIndex() {
+ var index = {};
+ list.push(index); // Parse diff metadata
+
+ while (i < diffstr.length) {
+ var line = diffstr[i]; // File header found, end parsing diff metadata
+
+ if (/^(\-\-\-|\+\+\+|@@)\s/.test(line)) {
+ break;
+ } // Diff index
+
+
+ var header = /^(?:Index:|diff(?: -r \w+)+)\s+(.+?)\s*$/.exec(line);
+
+ if (header) {
+ index.index = header[1];
+ }
+
+ i++;
+ } // Parse file headers if they are defined. Unified diff requires them, but
+ // there's no technical issues to have an isolated hunk without file header
+
+
+ parseFileHeader(index);
+ parseFileHeader(index); // Parse hunks
+
+ index.hunks = [];
+
+ while (i < diffstr.length) {
+ var _line = diffstr[i];
+
+ if (/^(Index:|diff|\-\-\-|\+\+\+)\s/.test(_line)) {
+ break;
+ } else if (/^@@/.test(_line)) {
+ index.hunks.push(parseHunk());
+ } else if (_line && options.strict) {
+ // Ignore unexpected content unless in strict mode
+ throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(_line));
+ } else {
+ i++;
+ }
+ }
+ } // Parses the --- and +++ headers, if none are found, no lines
+ // are consumed.
+
+
+ function parseFileHeader(index) {
+ var fileHeader = /^(---|\+\+\+)\s+(.*)$/.exec(diffstr[i]);
+
+ if (fileHeader) {
+ var keyPrefix = fileHeader[1] === '---' ? 'old' : 'new';
+ var data = fileHeader[2].split('\t', 2);
+ var fileName = data[0].replace(/\\\\/g, '\\');
+
+ if (/^".*"$/.test(fileName)) {
+ fileName = fileName.substr(1, fileName.length - 2);
+ }
+
+ index[keyPrefix + 'FileName'] = fileName;
+ index[keyPrefix + 'Header'] = (data[1] || '').trim();
+ i++;
+ }
+ } // Parses a hunk
+ // This assumes that we are at the start of a hunk.
+
+
+ function parseHunk() {
+ var chunkHeaderIndex = i,
+ chunkHeaderLine = diffstr[i++],
+ chunkHeader = chunkHeaderLine.split(/@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/);
+ var hunk = {
+ oldStart: +chunkHeader[1],
+ oldLines: typeof chunkHeader[2] === 'undefined' ? 1 : +chunkHeader[2],
+ newStart: +chunkHeader[3],
+ newLines: typeof chunkHeader[4] === 'undefined' ? 1 : +chunkHeader[4],
+ lines: [],
+ linedelimiters: []
+ }; // Unified Diff Format quirk: If the chunk size is 0,
+ // the first number is one lower than one would expect.
+ // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
+
+ if (hunk.oldLines === 0) {
+ hunk.oldStart += 1;
+ }
+
+ if (hunk.newLines === 0) {
+ hunk.newStart += 1;
+ }
+
+ var addCount = 0,
+ removeCount = 0;
+
+ for (; i < diffstr.length; i++) {
+ // Lines starting with '---' could be mistaken for the "remove line" operation
+ // But they could be the header for the next file. Therefore prune such cases out.
+ if (diffstr[i].indexOf('--- ') === 0 && i + 2 < diffstr.length && diffstr[i + 1].indexOf('+++ ') === 0 && diffstr[i + 2].indexOf('@@') === 0) {
+ break;
+ }
+
+ var operation = diffstr[i].length == 0 && i != diffstr.length - 1 ? ' ' : diffstr[i][0];
+
+ if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\') {
+ hunk.lines.push(diffstr[i]);
+ hunk.linedelimiters.push(delimiters[i] || '\n');
+
+ if (operation === '+') {
+ addCount++;
+ } else if (operation === '-') {
+ removeCount++;
+ } else if (operation === ' ') {
+ addCount++;
+ removeCount++;
+ }
+ } else {
+ break;
+ }
+ } // Handle the empty block count case
+
+
+ if (!addCount && hunk.newLines === 1) {
+ hunk.newLines = 0;
+ }
+
+ if (!removeCount && hunk.oldLines === 1) {
+ hunk.oldLines = 0;
+ } // Perform optional sanity checking
+
+
+ if (options.strict) {
+ if (addCount !== hunk.newLines) {
+ throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
+ }
+
+ if (removeCount !== hunk.oldLines) {
+ throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
+ }
+ }
+
+ return hunk;
+ }
+
+ while (i < diffstr.length) {
+ parseIndex();
+ }
+
+ return list;
+ }
+
+ var distanceIterator = {};
+
+ /*istanbul ignore start*/
+
+ (function (exports) {
+
+ Object.defineProperty(exports, "__esModule", {
+ value: true
+ });
+ exports["default"] = _default;
+
+ /*istanbul ignore end*/
+ // Iterator that traverses in the range of [min, max], stepping
+ // by distance from a given start position. I.e. for [0, 4], with
+ // start of 2, this will iterate 2, 3, 1, 4, 0.
+ function
+ /*istanbul ignore start*/
+ _default
+ /*istanbul ignore end*/
+ (start, minLine, maxLine) {
+ var wantForward = true,
+ backwardExhausted = false,
+ forwardExhausted = false,
+ localOffset = 1;
+ return function iterator() {
+ if (wantForward && !forwardExhausted) {
+ if (backwardExhausted) {
+ localOffset++;
+ } else {
+ wantForward = false;
+ } // Check if trying to fit beyond text length, and if not, check it fits
+ // after offset location (or desired location on first iteration)
+
+
+ if (start + localOffset <= maxLine) {
+ return localOffset;
+ }
+
+ forwardExhausted = true;
+ }
+
+ if (!backwardExhausted) {
+ if (!forwardExhausted) {
+ wantForward = true;
+ } // Check if trying to fit before text beginning, and if not, check it fits
+ // before offset location
+
+
+ if (minLine <= start - localOffset) {
+ return -localOffset++;
+ }
+
+ backwardExhausted = true;
+ return iterator();
+ } // We tried to fit hunk before text beginning and beyond text length, then
+ // hunk can't fit on the text. Return undefined
+
+ };
+ }
+
+ }(distanceIterator));
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(apply, "__esModule", {
+ value: true
+ });
+ apply.applyPatch = applyPatch;
+ apply.applyPatches = applyPatches;
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _parse$1 = parse$2
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _distanceIterator = _interopRequireDefault(distanceIterator)
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+ /*istanbul ignore end*/
+ function applyPatch(source, uniDiff) {
+ /*istanbul ignore start*/
+ var
+ /*istanbul ignore end*/
+ options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ if (typeof uniDiff === 'string') {
+ uniDiff =
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _parse$1
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ parsePatch)
+ /*istanbul ignore end*/
+ (uniDiff);
+ }
+
+ if (Array.isArray(uniDiff)) {
+ if (uniDiff.length > 1) {
+ throw new Error('applyPatch only works with a single input.');
+ }
+
+ uniDiff = uniDiff[0];
+ } // Apply the diff to the input
+
+
+ var lines = source.split(/\r\n|[\n\v\f\r\x85]/),
+ delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+ hunks = uniDiff.hunks,
+ compareLine = options.compareLine || function (lineNumber, line, operation, patchContent)
+ /*istanbul ignore start*/
+ {
+ return (
+ /*istanbul ignore end*/
+ line === patchContent
+ );
+ },
+ errorCount = 0,
+ fuzzFactor = options.fuzzFactor || 0,
+ minLine = 0,
+ offset = 0,
+ removeEOFNL,
+ addEOFNL;
+ /**
+ * Checks if the hunk exactly fits on the provided location
+ */
+
+
+ function hunkFits(hunk, toPos) {
+ for (var j = 0; j < hunk.lines.length; j++) {
+ var line = hunk.lines[j],
+ operation = line.length > 0 ? line[0] : ' ',
+ content = line.length > 0 ? line.substr(1) : line;
+
+ if (operation === ' ' || operation === '-') {
+ // Context sanity check
+ if (!compareLine(toPos + 1, lines[toPos], operation, content)) {
+ errorCount++;
+
+ if (errorCount > fuzzFactor) {
+ return false;
+ }
+ }
+
+ toPos++;
+ }
+ }
+
+ return true;
+ } // Search best fit offsets for each hunk based on the previous ones
+
+
+ for (var i = 0; i < hunks.length; i++) {
+ var hunk = hunks[i],
+ maxLine = lines.length - hunk.oldLines,
+ localOffset = 0,
+ toPos = offset + hunk.oldStart - 1;
+ var iterator =
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _distanceIterator
+ /*istanbul ignore end*/
+ [
+ /*istanbul ignore start*/
+ "default"
+ /*istanbul ignore end*/
+ ])(toPos, minLine, maxLine);
+
+ for (; localOffset !== undefined; localOffset = iterator()) {
+ if (hunkFits(hunk, toPos + localOffset)) {
+ hunk.offset = offset += localOffset;
+ break;
+ }
+ }
+
+ if (localOffset === undefined) {
+ return false;
+ } // Set lower text limit to end of the current hunk, so next ones don't try
+ // to fit over already patched text
+
+
+ minLine = hunk.offset + hunk.oldStart + hunk.oldLines;
+ } // Apply patch hunks
+
+
+ var diffOffset = 0;
+
+ for (var _i = 0; _i < hunks.length; _i++) {
+ var _hunk = hunks[_i],
+ _toPos = _hunk.oldStart + _hunk.offset + diffOffset - 1;
+
+ diffOffset += _hunk.newLines - _hunk.oldLines;
+
+ for (var j = 0; j < _hunk.lines.length; j++) {
+ var line = _hunk.lines[j],
+ operation = line.length > 0 ? line[0] : ' ',
+ content = line.length > 0 ? line.substr(1) : line,
+ delimiter = _hunk.linedelimiters[j];
+
+ if (operation === ' ') {
+ _toPos++;
+ } else if (operation === '-') {
+ lines.splice(_toPos, 1);
+ delimiters.splice(_toPos, 1);
+ /* istanbul ignore else */
+ } else if (operation === '+') {
+ lines.splice(_toPos, 0, content);
+ delimiters.splice(_toPos, 0, delimiter);
+ _toPos++;
+ } else if (operation === '\\') {
+ var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null;
+
+ if (previousOperation === '+') {
+ removeEOFNL = true;
+ } else if (previousOperation === '-') {
+ addEOFNL = true;
+ }
+ }
+ }
+ } // Handle EOFNL insertion/removal
+
+
+ if (removeEOFNL) {
+ while (!lines[lines.length - 1]) {
+ lines.pop();
+ delimiters.pop();
+ }
+ } else if (addEOFNL) {
+ lines.push('');
+ delimiters.push('\n');
+ }
+
+ for (var _k = 0; _k < lines.length - 1; _k++) {
+ lines[_k] = lines[_k] + delimiters[_k];
+ }
+
+ return lines.join('');
+ } // Wrapper that supports multiple file patches via callbacks.
+
+
+ function applyPatches(uniDiff, options) {
+ if (typeof uniDiff === 'string') {
+ uniDiff =
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _parse$1
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ parsePatch)
+ /*istanbul ignore end*/
+ (uniDiff);
+ }
+
+ var currentIndex = 0;
+
+ function processIndex() {
+ var index = uniDiff[currentIndex++];
+
+ if (!index) {
+ return options.complete();
+ }
+
+ options.loadFile(index, function (err, data) {
+ if (err) {
+ return options.complete(err);
+ }
+
+ var updatedContent = applyPatch(data, index, options);
+ options.patched(index, updatedContent, function (err) {
+ if (err) {
+ return options.complete(err);
+ }
+
+ processIndex();
+ });
+ });
+ }
+
+ processIndex();
+ }
+
+ var merge$1 = {};
+
+ var create = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(create, "__esModule", {
+ value: true
+ });
+ create.structuredPatch = structuredPatch;
+ create.formatPatch = formatPatch;
+ create.createTwoFilesPatch = createTwoFilesPatch;
+ create.createPatch = createPatch;
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _line = line
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _toConsumableArray$1(arr) { return _arrayWithoutHoles$1(arr) || _iterableToArray$1(arr) || _unsupportedIterableToArray$1(arr) || _nonIterableSpread$1(); }
+
+ function _nonIterableSpread$1() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+ function _unsupportedIterableToArray$1(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray$1(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray$1(o, minLen); }
+
+ function _iterableToArray$1(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
+
+ function _arrayWithoutHoles$1(arr) { if (Array.isArray(arr)) return _arrayLikeToArray$1(arr); }
+
+ function _arrayLikeToArray$1(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+ /*istanbul ignore end*/
+ function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
+ if (!options) {
+ options = {};
+ }
+
+ if (typeof options.context === 'undefined') {
+ options.context = 4;
+ }
+
+ var diff =
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _line
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ diffLines)
+ /*istanbul ignore end*/
+ (oldStr, newStr, options);
+ diff.push({
+ value: '',
+ lines: []
+ }); // Append an empty value to make cleanup easier
+
+ function contextLines(lines) {
+ return lines.map(function (entry) {
+ return ' ' + entry;
+ });
+ }
+
+ var hunks = [];
+ var oldRangeStart = 0,
+ newRangeStart = 0,
+ curRange = [],
+ oldLine = 1,
+ newLine = 1;
+
+ /*istanbul ignore start*/
+ var _loop = function _loop(
+ /*istanbul ignore end*/
+ i) {
+ var current = diff[i],
+ lines = current.lines || current.value.replace(/\n$/, '').split('\n');
+ current.lines = lines;
+
+ if (current.added || current.removed) {
+ /*istanbul ignore start*/
+ var _curRange;
+
+ /*istanbul ignore end*/
+ // If we have previous context, start with that
+ if (!oldRangeStart) {
+ var prev = diff[i - 1];
+ oldRangeStart = oldLine;
+ newRangeStart = newLine;
+
+ if (prev) {
+ curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];
+ oldRangeStart -= curRange.length;
+ newRangeStart -= curRange.length;
+ }
+ } // Output our changes
+
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ (_curRange =
+ /*istanbul ignore end*/
+ curRange).push.apply(
+ /*istanbul ignore start*/
+ _curRange
+ /*istanbul ignore end*/
+ ,
+ /*istanbul ignore start*/
+ _toConsumableArray$1(
+ /*istanbul ignore end*/
+ lines.map(function (entry) {
+ return (current.added ? '+' : '-') + entry;
+ }))); // Track the updated file position
+
+
+ if (current.added) {
+ newLine += lines.length;
+ } else {
+ oldLine += lines.length;
+ }
+ } else {
+ // Identical context lines. Track line changes
+ if (oldRangeStart) {
+ // Close out any changes that have been output (or join overlapping)
+ if (lines.length <= options.context * 2 && i < diff.length - 2) {
+ /*istanbul ignore start*/
+ var _curRange2;
+
+ /*istanbul ignore end*/
+ // Overlapping
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ (_curRange2 =
+ /*istanbul ignore end*/
+ curRange).push.apply(
+ /*istanbul ignore start*/
+ _curRange2
+ /*istanbul ignore end*/
+ ,
+ /*istanbul ignore start*/
+ _toConsumableArray$1(
+ /*istanbul ignore end*/
+ contextLines(lines)));
+ } else {
+ /*istanbul ignore start*/
+ var _curRange3;
+
+ /*istanbul ignore end*/
+ // end the range and output
+ var contextSize = Math.min(lines.length, options.context);
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ (_curRange3 =
+ /*istanbul ignore end*/
+ curRange).push.apply(
+ /*istanbul ignore start*/
+ _curRange3
+ /*istanbul ignore end*/
+ ,
+ /*istanbul ignore start*/
+ _toConsumableArray$1(
+ /*istanbul ignore end*/
+ contextLines(lines.slice(0, contextSize))));
+
+ var hunk = {
+ oldStart: oldRangeStart,
+ oldLines: oldLine - oldRangeStart + contextSize,
+ newStart: newRangeStart,
+ newLines: newLine - newRangeStart + contextSize,
+ lines: curRange
+ };
+
+ if (i >= diff.length - 2 && lines.length <= options.context) {
+ // EOF is inside this hunk
+ var oldEOFNewline = /\n$/.test(oldStr);
+ var newEOFNewline = /\n$/.test(newStr);
+ var noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines;
+
+ if (!oldEOFNewline && noNlBeforeAdds && oldStr.length > 0) {
+ // special case: old has no eol and no trailing context; no-nl can end up before adds
+ // however, if the old file is empty, do not output the no-nl line
+ curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file');
+ }
+
+ if (!oldEOFNewline && !noNlBeforeAdds || !newEOFNewline) {
+ curRange.push('\\ No newline at end of file');
+ }
+ }
+
+ hunks.push(hunk);
+ oldRangeStart = 0;
+ newRangeStart = 0;
+ curRange = [];
+ }
+ }
+
+ oldLine += lines.length;
+ newLine += lines.length;
+ }
+ };
+
+ for (var i = 0; i < diff.length; i++) {
+ /*istanbul ignore start*/
+ _loop(
+ /*istanbul ignore end*/
+ i);
+ }
+
+ return {
+ oldFileName: oldFileName,
+ newFileName: newFileName,
+ oldHeader: oldHeader,
+ newHeader: newHeader,
+ hunks: hunks
+ };
+ }
+
+ function formatPatch(diff) {
+ var ret = [];
+
+ if (diff.oldFileName == diff.newFileName) {
+ ret.push('Index: ' + diff.oldFileName);
+ }
+
+ ret.push('===================================================================');
+ ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader));
+ ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader));
+
+ for (var i = 0; i < diff.hunks.length; i++) {
+ var hunk = diff.hunks[i]; // Unified Diff Format quirk: If the chunk size is 0,
+ // the first number is one lower than one would expect.
+ // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
+
+ if (hunk.oldLines === 0) {
+ hunk.oldStart -= 1;
+ }
+
+ if (hunk.newLines === 0) {
+ hunk.newStart -= 1;
+ }
+
+ ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@');
+ ret.push.apply(ret, hunk.lines);
+ }
+
+ return ret.join('\n') + '\n';
+ }
+
+ function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
+ return formatPatch(structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options));
+ }
+
+ function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {
+ return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);
+ }
+
+ var array = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(array, "__esModule", {
+ value: true
+ });
+ array.arrayEqual = arrayEqual;
+ array.arrayStartsWith = arrayStartsWith;
+
+ /*istanbul ignore end*/
+ function arrayEqual(a, b) {
+ if (a.length !== b.length) {
+ return false;
+ }
+
+ return arrayStartsWith(a, b);
+ }
+
+ function arrayStartsWith(array, start) {
+ if (start.length > array.length) {
+ return false;
+ }
+
+ for (var i = 0; i < start.length; i++) {
+ if (start[i] !== array[i]) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(merge$1, "__esModule", {
+ value: true
+ });
+ merge$1.calcLineCount = calcLineCount;
+ merge$1.merge = merge;
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _create = create
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _parse = parse$2
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _array = array
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
+
+ function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+ function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+ function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
+
+ function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
+
+ function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+ /*istanbul ignore end*/
+ function calcLineCount(hunk) {
+ /*istanbul ignore start*/
+ var _calcOldNewLineCount =
+ /*istanbul ignore end*/
+ calcOldNewLineCount(hunk.lines),
+ oldLines = _calcOldNewLineCount.oldLines,
+ newLines = _calcOldNewLineCount.newLines;
+
+ if (oldLines !== undefined) {
+ hunk.oldLines = oldLines;
+ } else {
+ delete hunk.oldLines;
+ }
+
+ if (newLines !== undefined) {
+ hunk.newLines = newLines;
+ } else {
+ delete hunk.newLines;
+ }
+ }
+
+ function merge(mine, theirs, base) {
+ mine = loadPatch(mine, base);
+ theirs = loadPatch(theirs, base);
+ var ret = {}; // For index we just let it pass through as it doesn't have any necessary meaning.
+ // Leaving sanity checks on this to the API consumer that may know more about the
+ // meaning in their own context.
+
+ if (mine.index || theirs.index) {
+ ret.index = mine.index || theirs.index;
+ }
+
+ if (mine.newFileName || theirs.newFileName) {
+ if (!fileNameChanged(mine)) {
+ // No header or no change in ours, use theirs (and ours if theirs does not exist)
+ ret.oldFileName = theirs.oldFileName || mine.oldFileName;
+ ret.newFileName = theirs.newFileName || mine.newFileName;
+ ret.oldHeader = theirs.oldHeader || mine.oldHeader;
+ ret.newHeader = theirs.newHeader || mine.newHeader;
+ } else if (!fileNameChanged(theirs)) {
+ // No header or no change in theirs, use ours
+ ret.oldFileName = mine.oldFileName;
+ ret.newFileName = mine.newFileName;
+ ret.oldHeader = mine.oldHeader;
+ ret.newHeader = mine.newHeader;
+ } else {
+ // Both changed... figure it out
+ ret.oldFileName = selectField(ret, mine.oldFileName, theirs.oldFileName);
+ ret.newFileName = selectField(ret, mine.newFileName, theirs.newFileName);
+ ret.oldHeader = selectField(ret, mine.oldHeader, theirs.oldHeader);
+ ret.newHeader = selectField(ret, mine.newHeader, theirs.newHeader);
+ }
+ }
+
+ ret.hunks = [];
+ var mineIndex = 0,
+ theirsIndex = 0,
+ mineOffset = 0,
+ theirsOffset = 0;
+
+ while (mineIndex < mine.hunks.length || theirsIndex < theirs.hunks.length) {
+ var mineCurrent = mine.hunks[mineIndex] || {
+ oldStart: Infinity
+ },
+ theirsCurrent = theirs.hunks[theirsIndex] || {
+ oldStart: Infinity
+ };
+
+ if (hunkBefore(mineCurrent, theirsCurrent)) {
+ // This patch does not overlap with any of the others, yay.
+ ret.hunks.push(cloneHunk(mineCurrent, mineOffset));
+ mineIndex++;
+ theirsOffset += mineCurrent.newLines - mineCurrent.oldLines;
+ } else if (hunkBefore(theirsCurrent, mineCurrent)) {
+ // This patch does not overlap with any of the others, yay.
+ ret.hunks.push(cloneHunk(theirsCurrent, theirsOffset));
+ theirsIndex++;
+ mineOffset += theirsCurrent.newLines - theirsCurrent.oldLines;
+ } else {
+ // Overlap, merge as best we can
+ var mergedHunk = {
+ oldStart: Math.min(mineCurrent.oldStart, theirsCurrent.oldStart),
+ oldLines: 0,
+ newStart: Math.min(mineCurrent.newStart + mineOffset, theirsCurrent.oldStart + theirsOffset),
+ newLines: 0,
+ lines: []
+ };
+ mergeLines(mergedHunk, mineCurrent.oldStart, mineCurrent.lines, theirsCurrent.oldStart, theirsCurrent.lines);
+ theirsIndex++;
+ mineIndex++;
+ ret.hunks.push(mergedHunk);
+ }
+ }
+
+ return ret;
+ }
+
+ function loadPatch(param, base) {
+ if (typeof param === 'string') {
+ if (/^@@/m.test(param) || /^Index:/m.test(param)) {
+ return (
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _parse
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ parsePatch)
+ /*istanbul ignore end*/
+ (param)[0]
+ );
+ }
+
+ if (!base) {
+ throw new Error('Must provide a base reference or pass in a patch');
+ }
+
+ return (
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _create
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ structuredPatch)
+ /*istanbul ignore end*/
+ (undefined, undefined, base, param)
+ );
+ }
+
+ return param;
+ }
+
+ function fileNameChanged(patch) {
+ return patch.newFileName && patch.newFileName !== patch.oldFileName;
+ }
+
+ function selectField(index, mine, theirs) {
+ if (mine === theirs) {
+ return mine;
+ } else {
+ index.conflict = true;
+ return {
+ mine: mine,
+ theirs: theirs
+ };
+ }
+ }
+
+ function hunkBefore(test, check) {
+ return test.oldStart < check.oldStart && test.oldStart + test.oldLines < check.oldStart;
+ }
+
+ function cloneHunk(hunk, offset) {
+ return {
+ oldStart: hunk.oldStart,
+ oldLines: hunk.oldLines,
+ newStart: hunk.newStart + offset,
+ newLines: hunk.newLines,
+ lines: hunk.lines
+ };
+ }
+
+ function mergeLines(hunk, mineOffset, mineLines, theirOffset, theirLines) {
+ // This will generally result in a conflicted hunk, but there are cases where the context
+ // is the only overlap where we can successfully merge the content here.
+ var mine = {
+ offset: mineOffset,
+ lines: mineLines,
+ index: 0
+ },
+ their = {
+ offset: theirOffset,
+ lines: theirLines,
+ index: 0
+ }; // Handle any leading content
+
+ insertLeading(hunk, mine, their);
+ insertLeading(hunk, their, mine); // Now in the overlap content. Scan through and select the best changes from each.
+
+ while (mine.index < mine.lines.length && their.index < their.lines.length) {
+ var mineCurrent = mine.lines[mine.index],
+ theirCurrent = their.lines[their.index];
+
+ if ((mineCurrent[0] === '-' || mineCurrent[0] === '+') && (theirCurrent[0] === '-' || theirCurrent[0] === '+')) {
+ // Both modified ...
+ mutualChange(hunk, mine, their);
+ } else if (mineCurrent[0] === '+' && theirCurrent[0] === ' ') {
+ /*istanbul ignore start*/
+ var _hunk$lines;
+
+ /*istanbul ignore end*/
+ // Mine inserted
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ (_hunk$lines =
+ /*istanbul ignore end*/
+ hunk.lines).push.apply(
+ /*istanbul ignore start*/
+ _hunk$lines
+ /*istanbul ignore end*/
+ ,
+ /*istanbul ignore start*/
+ _toConsumableArray(
+ /*istanbul ignore end*/
+ collectChange(mine)));
+ } else if (theirCurrent[0] === '+' && mineCurrent[0] === ' ') {
+ /*istanbul ignore start*/
+ var _hunk$lines2;
+
+ /*istanbul ignore end*/
+ // Theirs inserted
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ (_hunk$lines2 =
+ /*istanbul ignore end*/
+ hunk.lines).push.apply(
+ /*istanbul ignore start*/
+ _hunk$lines2
+ /*istanbul ignore end*/
+ ,
+ /*istanbul ignore start*/
+ _toConsumableArray(
+ /*istanbul ignore end*/
+ collectChange(their)));
+ } else if (mineCurrent[0] === '-' && theirCurrent[0] === ' ') {
+ // Mine removed or edited
+ removal(hunk, mine, their);
+ } else if (theirCurrent[0] === '-' && mineCurrent[0] === ' ') {
+ // Their removed or edited
+ removal(hunk, their, mine, true);
+ } else if (mineCurrent === theirCurrent) {
+ // Context identity
+ hunk.lines.push(mineCurrent);
+ mine.index++;
+ their.index++;
+ } else {
+ // Context mismatch
+ conflict(hunk, collectChange(mine), collectChange(their));
+ }
+ } // Now push anything that may be remaining
+
+
+ insertTrailing(hunk, mine);
+ insertTrailing(hunk, their);
+ calcLineCount(hunk);
+ }
+
+ function mutualChange(hunk, mine, their) {
+ var myChanges = collectChange(mine),
+ theirChanges = collectChange(their);
+
+ if (allRemoves(myChanges) && allRemoves(theirChanges)) {
+ // Special case for remove changes that are supersets of one another
+ if (
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _array
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ arrayStartsWith)
+ /*istanbul ignore end*/
+ (myChanges, theirChanges) && skipRemoveSuperset(their, myChanges, myChanges.length - theirChanges.length)) {
+ /*istanbul ignore start*/
+ var _hunk$lines3;
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ (_hunk$lines3 =
+ /*istanbul ignore end*/
+ hunk.lines).push.apply(
+ /*istanbul ignore start*/
+ _hunk$lines3
+ /*istanbul ignore end*/
+ ,
+ /*istanbul ignore start*/
+ _toConsumableArray(
+ /*istanbul ignore end*/
+ myChanges));
+
+ return;
+ } else if (
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _array
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ arrayStartsWith)
+ /*istanbul ignore end*/
+ (theirChanges, myChanges) && skipRemoveSuperset(mine, theirChanges, theirChanges.length - myChanges.length)) {
+ /*istanbul ignore start*/
+ var _hunk$lines4;
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ (_hunk$lines4 =
+ /*istanbul ignore end*/
+ hunk.lines).push.apply(
+ /*istanbul ignore start*/
+ _hunk$lines4
+ /*istanbul ignore end*/
+ ,
+ /*istanbul ignore start*/
+ _toConsumableArray(
+ /*istanbul ignore end*/
+ theirChanges));
+
+ return;
+ }
+ } else if (
+ /*istanbul ignore start*/
+ (/*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ 0, _array
+ /*istanbul ignore end*/
+ .
+ /*istanbul ignore start*/
+ arrayEqual)
+ /*istanbul ignore end*/
+ (myChanges, theirChanges)) {
+ /*istanbul ignore start*/
+ var _hunk$lines5;
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ (_hunk$lines5 =
+ /*istanbul ignore end*/
+ hunk.lines).push.apply(
+ /*istanbul ignore start*/
+ _hunk$lines5
+ /*istanbul ignore end*/
+ ,
+ /*istanbul ignore start*/
+ _toConsumableArray(
+ /*istanbul ignore end*/
+ myChanges));
+
+ return;
+ }
+
+ conflict(hunk, myChanges, theirChanges);
+ }
+
+ function removal(hunk, mine, their, swap) {
+ var myChanges = collectChange(mine),
+ theirChanges = collectContext(their, myChanges);
+
+ if (theirChanges.merged) {
+ /*istanbul ignore start*/
+ var _hunk$lines6;
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+
+ /*istanbul ignore end*/
+
+ /*istanbul ignore start*/
+ (_hunk$lines6 =
+ /*istanbul ignore end*/
+ hunk.lines).push.apply(
+ /*istanbul ignore start*/
+ _hunk$lines6
+ /*istanbul ignore end*/
+ ,
+ /*istanbul ignore start*/
+ _toConsumableArray(
+ /*istanbul ignore end*/
+ theirChanges.merged));
+ } else {
+ conflict(hunk, swap ? theirChanges : myChanges, swap ? myChanges : theirChanges);
+ }
+ }
+
+ function conflict(hunk, mine, their) {
+ hunk.conflict = true;
+ hunk.lines.push({
+ conflict: true,
+ mine: mine,
+ theirs: their
+ });
+ }
+
+ function insertLeading(hunk, insert, their) {
+ while (insert.offset < their.offset && insert.index < insert.lines.length) {
+ var line = insert.lines[insert.index++];
+ hunk.lines.push(line);
+ insert.offset++;
+ }
+ }
+
+ function insertTrailing(hunk, insert) {
+ while (insert.index < insert.lines.length) {
+ var line = insert.lines[insert.index++];
+ hunk.lines.push(line);
+ }
+ }
+
+ function collectChange(state) {
+ var ret = [],
+ operation = state.lines[state.index][0];
+
+ while (state.index < state.lines.length) {
+ var line = state.lines[state.index]; // Group additions that are immediately after subtractions and treat them as one "atomic" modify change.
+
+ if (operation === '-' && line[0] === '+') {
+ operation = '+';
+ }
+
+ if (operation === line[0]) {
+ ret.push(line);
+ state.index++;
+ } else {
+ break;
+ }
+ }
+
+ return ret;
+ }
+
+ function collectContext(state, matchChanges) {
+ var changes = [],
+ merged = [],
+ matchIndex = 0,
+ contextChanges = false,
+ conflicted = false;
+
+ while (matchIndex < matchChanges.length && state.index < state.lines.length) {
+ var change = state.lines[state.index],
+ match = matchChanges[matchIndex]; // Once we've hit our add, then we are done
+
+ if (match[0] === '+') {
+ break;
+ }
+
+ contextChanges = contextChanges || change[0] !== ' ';
+ merged.push(match);
+ matchIndex++; // Consume any additions in the other block as a conflict to attempt
+ // to pull in the remaining context after this
+
+ if (change[0] === '+') {
+ conflicted = true;
+
+ while (change[0] === '+') {
+ changes.push(change);
+ change = state.lines[++state.index];
+ }
+ }
+
+ if (match.substr(1) === change.substr(1)) {
+ changes.push(change);
+ state.index++;
+ } else {
+ conflicted = true;
+ }
+ }
+
+ if ((matchChanges[matchIndex] || '')[0] === '+' && contextChanges) {
+ conflicted = true;
+ }
+
+ if (conflicted) {
+ return changes;
+ }
+
+ while (matchIndex < matchChanges.length) {
+ merged.push(matchChanges[matchIndex++]);
+ }
+
+ return {
+ merged: merged,
+ changes: changes
+ };
+ }
+
+ function allRemoves(changes) {
+ return changes.reduce(function (prev, change) {
+ return prev && change[0] === '-';
+ }, true);
+ }
+
+ function skipRemoveSuperset(state, removeChanges, delta) {
+ for (var i = 0; i < delta; i++) {
+ var changeContent = removeChanges[removeChanges.length - delta + i].substr(1);
+
+ if (state.lines[state.index + i] !== ' ' + changeContent) {
+ return false;
+ }
+ }
+
+ state.index += delta;
+ return true;
+ }
+
+ function calcOldNewLineCount(lines) {
+ var oldLines = 0;
+ var newLines = 0;
+ lines.forEach(function (line) {
+ if (typeof line !== 'string') {
+ var myCount = calcOldNewLineCount(line.mine);
+ var theirCount = calcOldNewLineCount(line.theirs);
+
+ if (oldLines !== undefined) {
+ if (myCount.oldLines === theirCount.oldLines) {
+ oldLines += myCount.oldLines;
+ } else {
+ oldLines = undefined;
+ }
+ }
+
+ if (newLines !== undefined) {
+ if (myCount.newLines === theirCount.newLines) {
+ newLines += myCount.newLines;
+ } else {
+ newLines = undefined;
+ }
+ }
+ } else {
+ if (newLines !== undefined && (line[0] === '+' || line[0] === ' ')) {
+ newLines++;
+ }
+
+ if (oldLines !== undefined && (line[0] === '-' || line[0] === ' ')) {
+ oldLines++;
+ }
+ }
+ });
+ return {
+ oldLines: oldLines,
+ newLines: newLines
+ };
+ }
+
+ var dmp = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(dmp, "__esModule", {
+ value: true
+ });
+ dmp.convertChangesToDMP = convertChangesToDMP;
+
+ /*istanbul ignore end*/
+ // See: http://code.google.com/p/google-diff-match-patch/wiki/API
+ function convertChangesToDMP(changes) {
+ var ret = [],
+ change,
+ operation;
+
+ for (var i = 0; i < changes.length; i++) {
+ change = changes[i];
+
+ if (change.added) {
+ operation = 1;
+ } else if (change.removed) {
+ operation = -1;
+ } else {
+ operation = 0;
+ }
+
+ ret.push([operation, change.value]);
+ }
+
+ return ret;
+ }
+
+ var xml = {};
+
+ /*istanbul ignore start*/
+
+ Object.defineProperty(xml, "__esModule", {
+ value: true
+ });
+ xml.convertChangesToXML = convertChangesToXML;
+
+ /*istanbul ignore end*/
+ function convertChangesToXML(changes) {
+ var ret = [];
+
+ for (var i = 0; i < changes.length; i++) {
+ var change = changes[i];
+
+ if (change.added) {
+ ret.push('');
+ } else if (change.removed) {
+ ret.push('');
+ }
+
+ ret.push(escapeHTML(change.value));
+
+ if (change.added) {
+ ret.push('');
+ } else if (change.removed) {
+ ret.push('');
+ }
+ }
+
+ return ret.join('');
+ }
+
+ function escapeHTML(s) {
+ var n = s;
+ n = n.replace(/&/g, '&');
+ n = n.replace(//g, '>');
+ n = n.replace(/"/g, '"');
+ return n;
+ }
+
+ /*istanbul ignore start*/
+
+ (function (exports) {
+
+ Object.defineProperty(exports, "__esModule", {
+ value: true
+ });
+ Object.defineProperty(exports, "Diff", {
+ enumerable: true,
+ get: function get() {
+ return _base["default"];
+ }
+ });
+ Object.defineProperty(exports, "diffChars", {
+ enumerable: true,
+ get: function get() {
+ return _character.diffChars;
+ }
+ });
+ Object.defineProperty(exports, "diffWords", {
+ enumerable: true,
+ get: function get() {
+ return _word.diffWords;
+ }
+ });
+ Object.defineProperty(exports, "diffWordsWithSpace", {
+ enumerable: true,
+ get: function get() {
+ return _word.diffWordsWithSpace;
+ }
+ });
+ Object.defineProperty(exports, "diffLines", {
+ enumerable: true,
+ get: function get() {
+ return _line.diffLines;
+ }
+ });
+ Object.defineProperty(exports, "diffTrimmedLines", {
+ enumerable: true,
+ get: function get() {
+ return _line.diffTrimmedLines;
+ }
+ });
+ Object.defineProperty(exports, "diffSentences", {
+ enumerable: true,
+ get: function get() {
+ return _sentence.diffSentences;
+ }
+ });
+ Object.defineProperty(exports, "diffCss", {
+ enumerable: true,
+ get: function get() {
+ return _css.diffCss;
+ }
+ });
+ Object.defineProperty(exports, "diffJson", {
+ enumerable: true,
+ get: function get() {
+ return _json.diffJson;
+ }
+ });
+ Object.defineProperty(exports, "canonicalize", {
+ enumerable: true,
+ get: function get() {
+ return _json.canonicalize;
+ }
+ });
+ Object.defineProperty(exports, "diffArrays", {
+ enumerable: true,
+ get: function get() {
+ return _array.diffArrays;
+ }
+ });
+ Object.defineProperty(exports, "applyPatch", {
+ enumerable: true,
+ get: function get() {
+ return _apply.applyPatch;
+ }
+ });
+ Object.defineProperty(exports, "applyPatches", {
+ enumerable: true,
+ get: function get() {
+ return _apply.applyPatches;
+ }
+ });
+ Object.defineProperty(exports, "parsePatch", {
+ enumerable: true,
+ get: function get() {
+ return _parse.parsePatch;
+ }
+ });
+ Object.defineProperty(exports, "merge", {
+ enumerable: true,
+ get: function get() {
+ return _merge.merge;
+ }
+ });
+ Object.defineProperty(exports, "structuredPatch", {
+ enumerable: true,
+ get: function get() {
+ return _create.structuredPatch;
+ }
+ });
+ Object.defineProperty(exports, "createTwoFilesPatch", {
+ enumerable: true,
+ get: function get() {
+ return _create.createTwoFilesPatch;
+ }
+ });
+ Object.defineProperty(exports, "createPatch", {
+ enumerable: true,
+ get: function get() {
+ return _create.createPatch;
+ }
+ });
+ Object.defineProperty(exports, "convertChangesToDMP", {
+ enumerable: true,
+ get: function get() {
+ return _dmp.convertChangesToDMP;
+ }
+ });
+ Object.defineProperty(exports, "convertChangesToXML", {
+ enumerable: true,
+ get: function get() {
+ return _xml.convertChangesToXML;
+ }
+ });
+
+ /*istanbul ignore end*/
+ var
+ /*istanbul ignore start*/
+ _base = _interopRequireDefault(base)
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _character = character
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _word = word
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _line = line
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _sentence = sentence
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _css = css
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _json = json$1
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _array = array$1
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _apply = apply
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _parse = parse$2
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _merge = merge$1
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _create = create
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _dmp = dmp
+ /*istanbul ignore end*/
+ ;
+
+ var
+ /*istanbul ignore start*/
+ _xml = xml
+ /*istanbul ignore end*/
+ ;
+
+ /*istanbul ignore start*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+ /*istanbul ignore end*/
+
+ }(lib));
+
+ /**
+ * Helpers.
+ */
+
+ var s$1 = 1000;
+ var m$1 = s$1 * 60;
+ var h$1 = m$1 * 60;
+ var d$1 = h$1 * 24;
+ var w$1 = d$1 * 7;
+ var y$1 = d$1 * 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$1 = 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$1(val) : fmtShort$1(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$1;
+ case 'weeks':
+ case 'week':
+ case 'w':
+ return n * w$1;
+ case 'days':
+ case 'day':
+ case 'd':
+ return n * d$1;
+ case 'hours':
+ case 'hour':
+ case 'hrs':
+ case 'hr':
+ case 'h':
+ return n * h$1;
+ case 'minutes':
+ case 'minute':
+ case 'mins':
+ case 'min':
+ case 'm':
+ return n * m$1;
+ case 'seconds':
+ case 'second':
+ case 'secs':
+ case 'sec':
+ case 's':
+ return n * s$1;
+ 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$1(ms) {
+ var msAbs = Math.abs(ms);
+ if (msAbs >= d$1) {
+ return Math.round(ms / d$1) + 'd';
+ }
+ if (msAbs >= h$1) {
+ return Math.round(ms / h$1) + 'h';
+ }
+ if (msAbs >= m$1) {
+ return Math.round(ms / m$1) + 'm';
+ }
+ if (msAbs >= s$1) {
+ return Math.round(ms / s$1) + 's';
+ }
+ return ms + 'ms';
+ }
+
+ /**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+ function fmtLong$1(ms) {
+ var msAbs = Math.abs(ms);
+ if (msAbs >= d$1) {
+ return plural$1(ms, msAbs, d$1, 'day');
+ }
+ if (msAbs >= h$1) {
+ return plural$1(ms, msAbs, h$1, 'hour');
+ }
+ if (msAbs >= m$1) {
+ return plural$1(ms, msAbs, m$1, 'minute');
+ }
+ if (msAbs >= s$1) {
+ return plural$1(ms, msAbs, s$1, 'second');
+ }
+ return ms + ' ms';
+ }
+
+ /**
+ * Pluralization helper.
+ */
+
+ function plural$1(ms, msAbs, n, name) {
+ var isPlural = msAbs >= n * 1.5;
+ return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
+ }
+
+ var lookup = [];
+ var revLookup = [];
+ var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
+ var inited = false;
+ function init () {
+ inited = true;
+ var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+ for (var i = 0, len = code.length; i < len; ++i) {
+ lookup[i] = code[i];
+ revLookup[code.charCodeAt(i)] = i;
+ }
+
+ revLookup['-'.charCodeAt(0)] = 62;
+ revLookup['_'.charCodeAt(0)] = 63;
+ }
+
+ function toByteArray (b64) {
+ if (!inited) {
+ init();
+ }
+ var i, j, l, tmp, placeHolders, arr;
+ var len = b64.length;
+
+ if (len % 4 > 0) {
+ throw new Error('Invalid string. Length must be a multiple of 4')
+ }
+
+ // the number of equal signs (place holders)
+ // if there are two placeholders, than the two characters before it
+ // represent one byte
+ // if there is only one, then the three characters before it represent 2 bytes
+ // this is just a cheap hack to not do indexOf twice
+ placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0;
+
+ // base64 is 4/3 + up to two characters of the original data
+ arr = new Arr(len * 3 / 4 - placeHolders);
+
+ // if there are placeholders, only get up to the last complete 4 chars
+ l = placeHolders > 0 ? len - 4 : len;
+
+ var L = 0;
+
+ for (i = 0, j = 0; i < l; i += 4, j += 3) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)];
+ arr[L++] = (tmp >> 16) & 0xFF;
+ arr[L++] = (tmp >> 8) & 0xFF;
+ arr[L++] = tmp & 0xFF;
+ }
+
+ if (placeHolders === 2) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4);
+ arr[L++] = tmp & 0xFF;
+ } else if (placeHolders === 1) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2);
+ arr[L++] = (tmp >> 8) & 0xFF;
+ arr[L++] = tmp & 0xFF;
+ }
+
+ return arr
+ }
+
+ function tripletToBase64 (num) {
+ return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
+ }
+
+ function encodeChunk (uint8, start, end) {
+ var tmp;
+ var output = [];
+ for (var i = start; i < end; i += 3) {
+ tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]);
+ output.push(tripletToBase64(tmp));
+ }
+ return output.join('')
+ }
+
+ function fromByteArray (uint8) {
+ if (!inited) {
+ init();
+ }
+ var tmp;
+ var len = uint8.length;
+ var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes
+ var output = '';
+ var parts = [];
+ var maxChunkLength = 16383; // must be multiple of 3
+
+ // go through the array every three bytes, we'll deal with trailing stuff later
+ for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+ parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)));
+ }
+
+ // pad the end with zeros, but make sure to not forget the extra bytes
+ if (extraBytes === 1) {
+ tmp = uint8[len - 1];
+ output += lookup[tmp >> 2];
+ output += lookup[(tmp << 4) & 0x3F];
+ output += '==';
+ } else if (extraBytes === 2) {
+ tmp = (uint8[len - 2] << 8) + (uint8[len - 1]);
+ output += lookup[tmp >> 10];
+ output += lookup[(tmp >> 4) & 0x3F];
+ output += lookup[(tmp << 2) & 0x3F];
+ output += '=';
+ }
+
+ parts.push(output);
+
+ return parts.join('')
+ }
+
+ function read (buffer, offset, isLE, mLen, nBytes) {
+ var e, m;
+ var eLen = nBytes * 8 - mLen - 1;
+ var eMax = (1 << eLen) - 1;
+ var eBias = eMax >> 1;
+ var nBits = -7;
+ var i = isLE ? (nBytes - 1) : 0;
+ var d = isLE ? -1 : 1;
+ var s = buffer[offset + i];
+
+ i += d;
+
+ e = s & ((1 << (-nBits)) - 1);
+ s >>= (-nBits);
+ nBits += eLen;
+ for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+ m = e & ((1 << (-nBits)) - 1);
+ e >>= (-nBits);
+ nBits += mLen;
+ for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+ if (e === 0) {
+ e = 1 - eBias;
+ } else if (e === eMax) {
+ return m ? NaN : ((s ? -1 : 1) * Infinity)
+ } else {
+ m = m + Math.pow(2, mLen);
+ e = e - eBias;
+ }
+ return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+ }
+
+ function write (buffer, value, offset, isLE, mLen, nBytes) {
+ var e, m, c;
+ var eLen = nBytes * 8 - mLen - 1;
+ var eMax = (1 << eLen) - 1;
+ var eBias = eMax >> 1;
+ var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0);
+ var i = isLE ? 0 : (nBytes - 1);
+ var d = isLE ? 1 : -1;
+ var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;
+
+ value = Math.abs(value);
+
+ if (isNaN(value) || value === Infinity) {
+ m = isNaN(value) ? 1 : 0;
+ e = eMax;
+ } else {
+ e = Math.floor(Math.log(value) / Math.LN2);
+ if (value * (c = Math.pow(2, -e)) < 1) {
+ e--;
+ c *= 2;
+ }
+ if (e + eBias >= 1) {
+ value += rt / c;
+ } else {
+ value += rt * Math.pow(2, 1 - eBias);
+ }
+ if (value * c >= 2) {
+ e++;
+ c /= 2;
+ }
+
+ if (e + eBias >= eMax) {
+ m = 0;
+ e = eMax;
+ } else if (e + eBias >= 1) {
+ m = (value * c - 1) * Math.pow(2, mLen);
+ e = e + eBias;
+ } else {
+ m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
+ e = 0;
+ }
+ }
+
+ for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+ e = (e << mLen) | m;
+ eLen += mLen;
+ for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+ buffer[offset + i - d] |= s * 128;
+ }
+
+ var toString$1 = {}.toString;
+
+ var isArray = Array.isArray || function (arr) {
+ return toString$1.call(arr) == '[object Array]';
+ };
+
+ var INSPECT_MAX_BYTES = 50;
+
+ /**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ * === true Use Uint8Array implementation (fastest)
+ * === false Use Object implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * Due to various browser bugs, sometimes the Object implementation will be used even
+ * when the browser supports typed arrays.
+ *
+ * Note:
+ *
+ * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
+ * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
+ *
+ * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
+ *
+ * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
+ * incorrect length in some situations.
+
+ * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
+ * get the Object implementation, which is slower but behaves correctly.
+ */
+ Buffer.TYPED_ARRAY_SUPPORT = global$1.TYPED_ARRAY_SUPPORT !== undefined
+ ? global$1.TYPED_ARRAY_SUPPORT
+ : true;
+
+ function kMaxLength () {
+ return Buffer.TYPED_ARRAY_SUPPORT
+ ? 0x7fffffff
+ : 0x3fffffff
+ }
+
+ function createBuffer (that, length) {
+ if (kMaxLength() < length) {
+ throw new RangeError('Invalid typed array length')
+ }
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ // Return an augmented `Uint8Array` instance, for best performance
+ that = new Uint8Array(length);
+ that.__proto__ = Buffer.prototype;
+ } else {
+ // Fallback: Return an object instance of the Buffer class
+ if (that === null) {
+ that = new Buffer(length);
+ }
+ that.length = length;
+ }
+
+ return that
+ }
+
+ /**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+ function Buffer (arg, encodingOrOffset, length) {
+ if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
+ return new Buffer(arg, encodingOrOffset, length)
+ }
+
+ // Common case.
+ if (typeof arg === 'number') {
+ if (typeof encodingOrOffset === 'string') {
+ throw new Error(
+ 'If encoding is specified then the first argument must be a string'
+ )
+ }
+ return allocUnsafe(this, arg)
+ }
+ return from(this, arg, encodingOrOffset, length)
+ }
+
+ Buffer.poolSize = 8192; // not used by this implementation
+
+ // TODO: Legacy, not needed anymore. Remove in next major version.
+ Buffer._augment = function (arr) {
+ arr.__proto__ = Buffer.prototype;
+ return arr
+ };
+
+ function from (that, value, encodingOrOffset, length) {
+ if (typeof value === 'number') {
+ throw new TypeError('"value" argument must not be a number')
+ }
+
+ if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
+ return fromArrayBuffer(that, value, encodingOrOffset, length)
+ }
+
+ if (typeof value === 'string') {
+ return fromString(that, value, encodingOrOffset)
+ }
+
+ return fromObject(that, value)
+ }
+
+ /**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+ Buffer.from = function (value, encodingOrOffset, length) {
+ return from(null, value, encodingOrOffset, length)
+ };
+
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ Buffer.prototype.__proto__ = Uint8Array.prototype;
+ Buffer.__proto__ = Uint8Array;
+ }
+
+ function assertSize (size) {
+ if (typeof size !== 'number') {
+ throw new TypeError('"size" argument must be a number')
+ } else if (size < 0) {
+ throw new RangeError('"size" argument must not be negative')
+ }
+ }
+
+ function alloc (that, size, fill, encoding) {
+ assertSize(size);
+ if (size <= 0) {
+ return createBuffer(that, size)
+ }
+ if (fill !== undefined) {
+ // Only pay attention to encoding if it's a string. This
+ // prevents accidentally sending in a number that would
+ // be interpretted as a start offset.
+ return typeof encoding === 'string'
+ ? createBuffer(that, size).fill(fill, encoding)
+ : createBuffer(that, size).fill(fill)
+ }
+ return createBuffer(that, size)
+ }
+
+ /**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+ Buffer.alloc = function (size, fill, encoding) {
+ return alloc(null, size, fill, encoding)
+ };
+
+ function allocUnsafe (that, size) {
+ assertSize(size);
+ that = createBuffer(that, size < 0 ? 0 : checked(size) | 0);
+ if (!Buffer.TYPED_ARRAY_SUPPORT) {
+ for (var i = 0; i < size; ++i) {
+ that[i] = 0;
+ }
+ }
+ return that
+ }
+
+ /**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+ Buffer.allocUnsafe = function (size) {
+ return allocUnsafe(null, size)
+ };
+ /**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+ Buffer.allocUnsafeSlow = function (size) {
+ return allocUnsafe(null, size)
+ };
+
+ function fromString (that, string, encoding) {
+ if (typeof encoding !== 'string' || encoding === '') {
+ encoding = 'utf8';
+ }
+
+ if (!Buffer.isEncoding(encoding)) {
+ throw new TypeError('"encoding" must be a valid string encoding')
+ }
+
+ var length = byteLength(string, encoding) | 0;
+ that = createBuffer(that, length);
+
+ var actual = that.write(string, encoding);
+
+ if (actual !== length) {
+ // Writing a hex string, for example, that contains invalid characters will
+ // cause everything after the first invalid character to be ignored. (e.g.
+ // 'abxxcd' will be treated as 'ab')
+ that = that.slice(0, actual);
+ }
+
+ return that
+ }
+
+ function fromArrayLike (that, array) {
+ var length = array.length < 0 ? 0 : checked(array.length) | 0;
+ that = createBuffer(that, length);
+ for (var i = 0; i < length; i += 1) {
+ that[i] = array[i] & 255;
+ }
+ return that
+ }
+
+ function fromArrayBuffer (that, array, byteOffset, length) {
+ array.byteLength; // this throws if `array` is not a valid ArrayBuffer
+
+ if (byteOffset < 0 || array.byteLength < byteOffset) {
+ throw new RangeError('\'offset\' is out of bounds')
+ }
+
+ if (array.byteLength < byteOffset + (length || 0)) {
+ throw new RangeError('\'length\' is out of bounds')
+ }
+
+ if (byteOffset === undefined && length === undefined) {
+ array = new Uint8Array(array);
+ } else if (length === undefined) {
+ array = new Uint8Array(array, byteOffset);
+ } else {
+ array = new Uint8Array(array, byteOffset, length);
+ }
+
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ // Return an augmented `Uint8Array` instance, for best performance
+ that = array;
+ that.__proto__ = Buffer.prototype;
+ } else {
+ // Fallback: Return an object instance of the Buffer class
+ that = fromArrayLike(that, array);
+ }
+ return that
+ }
+
+ function fromObject (that, obj) {
+ if (internalIsBuffer(obj)) {
+ var len = checked(obj.length) | 0;
+ that = createBuffer(that, len);
+
+ if (that.length === 0) {
+ return that
+ }
+
+ obj.copy(that, 0, 0, len);
+ return that
+ }
+
+ if (obj) {
+ if ((typeof ArrayBuffer !== 'undefined' &&
+ obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
+ if (typeof obj.length !== 'number' || isnan(obj.length)) {
+ return createBuffer(that, 0)
+ }
+ return fromArrayLike(that, obj)
+ }
+
+ if (obj.type === 'Buffer' && isArray(obj.data)) {
+ return fromArrayLike(that, obj.data)
+ }
+ }
+
+ throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
+ }
+
+ function checked (length) {
+ // Note: cannot use `length < kMaxLength()` here because that fails when
+ // length is NaN (which is otherwise coerced to zero.)
+ if (length >= kMaxLength()) {
+ throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+ 'size: 0x' + kMaxLength().toString(16) + ' bytes')
+ }
+ return length | 0
+ }
+ Buffer.isBuffer = isBuffer;
+ function internalIsBuffer (b) {
+ return !!(b != null && b._isBuffer)
+ }
+
+ Buffer.compare = function compare (a, b) {
+ if (!internalIsBuffer(a) || !internalIsBuffer(b)) {
+ throw new TypeError('Arguments must be Buffers')
+ }
+
+ if (a === b) return 0
+
+ var x = a.length;
+ var y = b.length;
+
+ for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+ if (a[i] !== b[i]) {
+ x = a[i];
+ y = b[i];
+ break
+ }
+ }
+
+ if (x < y) return -1
+ if (y < x) return 1
+ return 0
+ };
+
+ Buffer.isEncoding = function isEncoding (encoding) {
+ switch (String(encoding).toLowerCase()) {
+ case 'hex':
+ case 'utf8':
+ case 'utf-8':
+ case 'ascii':
+ case 'latin1':
+ case 'binary':
+ case 'base64':
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return true
+ default:
+ return false
+ }
+ };
+
+ Buffer.concat = function concat (list, length) {
+ if (!isArray(list)) {
+ throw new TypeError('"list" argument must be an Array of Buffers')
+ }
+
+ if (list.length === 0) {
+ return Buffer.alloc(0)
+ }
+
+ var i;
+ if (length === undefined) {
+ length = 0;
+ for (i = 0; i < list.length; ++i) {
+ length += list[i].length;
+ }
+ }
+
+ var buffer = Buffer.allocUnsafe(length);
+ var pos = 0;
+ for (i = 0; i < list.length; ++i) {
+ var buf = list[i];
+ if (!internalIsBuffer(buf)) {
+ throw new TypeError('"list" argument must be an Array of Buffers')
+ }
+ buf.copy(buffer, pos);
+ pos += buf.length;
+ }
+ return buffer
+ };
+
+ function byteLength (string, encoding) {
+ if (internalIsBuffer(string)) {
+ return string.length
+ }
+ if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
+ (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
+ return string.byteLength
+ }
+ if (typeof string !== 'string') {
+ string = '' + string;
+ }
+
+ var len = string.length;
+ if (len === 0) return 0
+
+ // Use a for loop to avoid recursion
+ var loweredCase = false;
+ for (;;) {
+ switch (encoding) {
+ case 'ascii':
+ case 'latin1':
+ case 'binary':
+ return len
+ case 'utf8':
+ case 'utf-8':
+ case undefined:
+ return utf8ToBytes(string).length
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return len * 2
+ case 'hex':
+ return len >>> 1
+ case 'base64':
+ return base64ToBytes(string).length
+ default:
+ if (loweredCase) return utf8ToBytes(string).length // assume utf8
+ encoding = ('' + encoding).toLowerCase();
+ loweredCase = true;
+ }
+ }
+ }
+ Buffer.byteLength = byteLength;
+
+ function slowToString (encoding, start, end) {
+ var loweredCase = false;
+
+ // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+ // property of a typed array.
+
+ // This behaves neither like String nor Uint8Array in that we set start/end
+ // to their upper/lower bounds if the value passed is out of range.
+ // undefined is handled specially as per ECMA-262 6th Edition,
+ // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+ if (start === undefined || start < 0) {
+ start = 0;
+ }
+ // Return early if start > this.length. Done here to prevent potential uint32
+ // coercion fail below.
+ if (start > this.length) {
+ return ''
+ }
+
+ if (end === undefined || end > this.length) {
+ end = this.length;
+ }
+
+ if (end <= 0) {
+ return ''
+ }
+
+ // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+ end >>>= 0;
+ start >>>= 0;
+
+ if (end <= start) {
+ return ''
+ }
+
+ if (!encoding) encoding = 'utf8';
+
+ while (true) {
+ switch (encoding) {
+ case 'hex':
+ return hexSlice(this, start, end)
+
+ case 'utf8':
+ case 'utf-8':
+ return utf8Slice(this, start, end)
+
+ case 'ascii':
+ return asciiSlice(this, start, end)
+
+ case 'latin1':
+ case 'binary':
+ return latin1Slice(this, start, end)
+
+ case 'base64':
+ return base64Slice(this, start, end)
+
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return utf16leSlice(this, start, end)
+
+ default:
+ if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+ encoding = (encoding + '').toLowerCase();
+ loweredCase = true;
+ }
+ }
+ }
+
+ // The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
+ // Buffer instances.
+ Buffer.prototype._isBuffer = true;
+
+ function swap (b, n, m) {
+ var i = b[n];
+ b[n] = b[m];
+ b[m] = i;
+ }
+
+ Buffer.prototype.swap16 = function swap16 () {
+ var len = this.length;
+ if (len % 2 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 16-bits')
+ }
+ for (var i = 0; i < len; i += 2) {
+ swap(this, i, i + 1);
+ }
+ return this
+ };
+
+ Buffer.prototype.swap32 = function swap32 () {
+ var len = this.length;
+ if (len % 4 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 32-bits')
+ }
+ for (var i = 0; i < len; i += 4) {
+ swap(this, i, i + 3);
+ swap(this, i + 1, i + 2);
+ }
+ return this
+ };
+
+ Buffer.prototype.swap64 = function swap64 () {
+ var len = this.length;
+ if (len % 8 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 64-bits')
+ }
+ for (var i = 0; i < len; i += 8) {
+ swap(this, i, i + 7);
+ swap(this, i + 1, i + 6);
+ swap(this, i + 2, i + 5);
+ swap(this, i + 3, i + 4);
+ }
+ return this
+ };
+
+ Buffer.prototype.toString = function toString () {
+ var length = this.length | 0;
+ if (length === 0) return ''
+ if (arguments.length === 0) return utf8Slice(this, 0, length)
+ return slowToString.apply(this, arguments)
+ };
+
+ Buffer.prototype.equals = function equals (b) {
+ if (!internalIsBuffer(b)) throw new TypeError('Argument must be a Buffer')
+ if (this === b) return true
+ return Buffer.compare(this, b) === 0
+ };
+
+ Buffer.prototype.inspect = function inspect () {
+ var str = '';
+ var max = INSPECT_MAX_BYTES;
+ if (this.length > 0) {
+ str = this.toString('hex', 0, max).match(/.{2}/g).join(' ');
+ if (this.length > max) str += ' ... ';
+ }
+ return ''
+ };
+
+ Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+ if (!internalIsBuffer(target)) {
+ throw new TypeError('Argument must be a Buffer')
+ }
+
+ if (start === undefined) {
+ start = 0;
+ }
+ if (end === undefined) {
+ end = target ? target.length : 0;
+ }
+ if (thisStart === undefined) {
+ thisStart = 0;
+ }
+ if (thisEnd === undefined) {
+ thisEnd = this.length;
+ }
+
+ if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+ throw new RangeError('out of range index')
+ }
+
+ if (thisStart >= thisEnd && start >= end) {
+ return 0
+ }
+ if (thisStart >= thisEnd) {
+ return -1
+ }
+ if (start >= end) {
+ return 1
+ }
+
+ start >>>= 0;
+ end >>>= 0;
+ thisStart >>>= 0;
+ thisEnd >>>= 0;
+
+ if (this === target) return 0
+
+ var x = thisEnd - thisStart;
+ var y = end - start;
+ var len = Math.min(x, y);
+
+ var thisCopy = this.slice(thisStart, thisEnd);
+ var targetCopy = target.slice(start, end);
+
+ for (var i = 0; i < len; ++i) {
+ if (thisCopy[i] !== targetCopy[i]) {
+ x = thisCopy[i];
+ y = targetCopy[i];
+ break
+ }
+ }
+
+ if (x < y) return -1
+ if (y < x) return 1
+ return 0
+ };
+
+ // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+ // OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+ //
+ // Arguments:
+ // - buffer - a Buffer to search
+ // - val - a string, Buffer, or number
+ // - byteOffset - an index into `buffer`; will be clamped to an int32
+ // - encoding - an optional encoding, relevant is val is a string
+ // - dir - true for indexOf, false for lastIndexOf
+ function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+ // Empty buffer means no match
+ if (buffer.length === 0) return -1
+
+ // Normalize byteOffset
+ if (typeof byteOffset === 'string') {
+ encoding = byteOffset;
+ byteOffset = 0;
+ } else if (byteOffset > 0x7fffffff) {
+ byteOffset = 0x7fffffff;
+ } else if (byteOffset < -0x80000000) {
+ byteOffset = -0x80000000;
+ }
+ byteOffset = +byteOffset; // Coerce to Number.
+ if (isNaN(byteOffset)) {
+ // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+ byteOffset = dir ? 0 : (buffer.length - 1);
+ }
+
+ // Normalize byteOffset: negative offsets start from the end of the buffer
+ if (byteOffset < 0) byteOffset = buffer.length + byteOffset;
+ if (byteOffset >= buffer.length) {
+ if (dir) return -1
+ else byteOffset = buffer.length - 1;
+ } else if (byteOffset < 0) {
+ if (dir) byteOffset = 0;
+ else return -1
+ }
+
+ // Normalize val
+ if (typeof val === 'string') {
+ val = Buffer.from(val, encoding);
+ }
+
+ // Finally, search either indexOf (if dir is true) or lastIndexOf
+ if (internalIsBuffer(val)) {
+ // Special case: looking for empty string/buffer always fails
+ if (val.length === 0) {
+ return -1
+ }
+ return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+ } else if (typeof val === 'number') {
+ val = val & 0xFF; // Search for a byte value [0-255]
+ if (Buffer.TYPED_ARRAY_SUPPORT &&
+ typeof Uint8Array.prototype.indexOf === 'function') {
+ if (dir) {
+ return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+ } else {
+ return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+ }
+ }
+ return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
+ }
+
+ throw new TypeError('val must be string, number or Buffer')
+ }
+
+ function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
+ var indexSize = 1;
+ var arrLength = arr.length;
+ var valLength = val.length;
+
+ if (encoding !== undefined) {
+ encoding = String(encoding).toLowerCase();
+ if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+ encoding === 'utf16le' || encoding === 'utf-16le') {
+ if (arr.length < 2 || val.length < 2) {
+ return -1
+ }
+ indexSize = 2;
+ arrLength /= 2;
+ valLength /= 2;
+ byteOffset /= 2;
+ }
+ }
+
+ function read (buf, i) {
+ if (indexSize === 1) {
+ return buf[i]
+ } else {
+ return buf.readUInt16BE(i * indexSize)
+ }
+ }
+
+ var i;
+ if (dir) {
+ var foundIndex = -1;
+ for (i = byteOffset; i < arrLength; i++) {
+ if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+ if (foundIndex === -1) foundIndex = i;
+ if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+ } else {
+ if (foundIndex !== -1) i -= i - foundIndex;
+ foundIndex = -1;
+ }
+ }
+ } else {
+ if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;
+ for (i = byteOffset; i >= 0; i--) {
+ var found = true;
+ for (var j = 0; j < valLength; j++) {
+ if (read(arr, i + j) !== read(val, j)) {
+ found = false;
+ break
+ }
+ }
+ if (found) return i
+ }
+ }
+
+ return -1
+ }
+
+ Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
+ return this.indexOf(val, byteOffset, encoding) !== -1
+ };
+
+ Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+ return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+ };
+
+ Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+ return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+ };
+
+ function hexWrite (buf, string, offset, length) {
+ offset = Number(offset) || 0;
+ var remaining = buf.length - offset;
+ if (!length) {
+ length = remaining;
+ } else {
+ length = Number(length);
+ if (length > remaining) {
+ length = remaining;
+ }
+ }
+
+ // must be an even number of digits
+ var strLen = string.length;
+ if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
+
+ if (length > strLen / 2) {
+ length = strLen / 2;
+ }
+ for (var i = 0; i < length; ++i) {
+ var parsed = parseInt(string.substr(i * 2, 2), 16);
+ if (isNaN(parsed)) return i
+ buf[offset + i] = parsed;
+ }
+ return i
+ }
+
+ function utf8Write (buf, string, offset, length) {
+ return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+ }
+
+ function asciiWrite (buf, string, offset, length) {
+ return blitBuffer(asciiToBytes(string), buf, offset, length)
+ }
+
+ function latin1Write (buf, string, offset, length) {
+ return asciiWrite(buf, string, offset, length)
+ }
+
+ function base64Write (buf, string, offset, length) {
+ return blitBuffer(base64ToBytes(string), buf, offset, length)
+ }
+
+ function ucs2Write (buf, string, offset, length) {
+ return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+ }
+
+ Buffer.prototype.write = function write (string, offset, length, encoding) {
+ // Buffer#write(string)
+ if (offset === undefined) {
+ encoding = 'utf8';
+ length = this.length;
+ offset = 0;
+ // Buffer#write(string, encoding)
+ } else if (length === undefined && typeof offset === 'string') {
+ encoding = offset;
+ length = this.length;
+ offset = 0;
+ // Buffer#write(string, offset[, length][, encoding])
+ } else if (isFinite(offset)) {
+ offset = offset | 0;
+ if (isFinite(length)) {
+ length = length | 0;
+ if (encoding === undefined) encoding = 'utf8';
+ } else {
+ encoding = length;
+ length = undefined;
+ }
+ // legacy write(string, encoding, offset, length) - remove in v0.13
+ } else {
+ throw new Error(
+ 'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+ )
+ }
+
+ var remaining = this.length - offset;
+ if (length === undefined || length > remaining) length = remaining;
+
+ if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+ throw new RangeError('Attempt to write outside buffer bounds')
+ }
+
+ if (!encoding) encoding = 'utf8';
+
+ var loweredCase = false;
+ for (;;) {
+ switch (encoding) {
+ case 'hex':
+ return hexWrite(this, string, offset, length)
+
+ case 'utf8':
+ case 'utf-8':
+ return utf8Write(this, string, offset, length)
+
+ case 'ascii':
+ return asciiWrite(this, string, offset, length)
+
+ case 'latin1':
+ case 'binary':
+ return latin1Write(this, string, offset, length)
+
+ case 'base64':
+ // Warning: maxLength not taken into account in base64Write
+ return base64Write(this, string, offset, length)
+
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return ucs2Write(this, string, offset, length)
+
+ default:
+ if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+ encoding = ('' + encoding).toLowerCase();
+ loweredCase = true;
+ }
+ }
+ };
+
+ Buffer.prototype.toJSON = function toJSON () {
+ return {
+ type: 'Buffer',
+ data: Array.prototype.slice.call(this._arr || this, 0)
+ }
+ };
+
+ function base64Slice (buf, start, end) {
+ if (start === 0 && end === buf.length) {
+ return fromByteArray(buf)
+ } else {
+ return fromByteArray(buf.slice(start, end))
+ }
+ }
+
+ function utf8Slice (buf, start, end) {
+ end = Math.min(buf.length, end);
+ var res = [];
+
+ var i = start;
+ while (i < end) {
+ var firstByte = buf[i];
+ var codePoint = null;
+ var bytesPerSequence = (firstByte > 0xEF) ? 4
+ : (firstByte > 0xDF) ? 3
+ : (firstByte > 0xBF) ? 2
+ : 1;
+
+ if (i + bytesPerSequence <= end) {
+ var secondByte, thirdByte, fourthByte, tempCodePoint;
+
+ switch (bytesPerSequence) {
+ case 1:
+ if (firstByte < 0x80) {
+ codePoint = firstByte;
+ }
+ break
+ case 2:
+ secondByte = buf[i + 1];
+ if ((secondByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F);
+ if (tempCodePoint > 0x7F) {
+ codePoint = tempCodePoint;
+ }
+ }
+ break
+ case 3:
+ secondByte = buf[i + 1];
+ thirdByte = buf[i + 2];
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F);
+ if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+ codePoint = tempCodePoint;
+ }
+ }
+ break
+ case 4:
+ secondByte = buf[i + 1];
+ thirdByte = buf[i + 2];
+ fourthByte = buf[i + 3];
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F);
+ if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+ codePoint = tempCodePoint;
+ }
+ }
+ }
+ }
+
+ if (codePoint === null) {
+ // we did not generate a valid codePoint so insert a
+ // replacement char (U+FFFD) and advance only 1 byte
+ codePoint = 0xFFFD;
+ bytesPerSequence = 1;
+ } else if (codePoint > 0xFFFF) {
+ // encode to utf16 (surrogate pair dance)
+ codePoint -= 0x10000;
+ res.push(codePoint >>> 10 & 0x3FF | 0xD800);
+ codePoint = 0xDC00 | codePoint & 0x3FF;
+ }
+
+ res.push(codePoint);
+ i += bytesPerSequence;
+ }
+
+ return decodeCodePointsArray(res)
+ }
+
+ // Based on http://stackoverflow.com/a/22747272/680742, the browser with
+ // the lowest limit is Chrome, with 0x10000 args.
+ // We go 1 magnitude less, for safety
+ var MAX_ARGUMENTS_LENGTH = 0x1000;
+
+ function decodeCodePointsArray (codePoints) {
+ var len = codePoints.length;
+ if (len <= MAX_ARGUMENTS_LENGTH) {
+ return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+ }
+
+ // Decode in chunks to avoid "call stack size exceeded".
+ var res = '';
+ var i = 0;
+ while (i < len) {
+ res += String.fromCharCode.apply(
+ String,
+ codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+ );
+ }
+ return res
+ }
+
+ function asciiSlice (buf, start, end) {
+ var ret = '';
+ end = Math.min(buf.length, end);
+
+ for (var i = start; i < end; ++i) {
+ ret += String.fromCharCode(buf[i] & 0x7F);
+ }
+ return ret
+ }
+
+ function latin1Slice (buf, start, end) {
+ var ret = '';
+ end = Math.min(buf.length, end);
+
+ for (var i = start; i < end; ++i) {
+ ret += String.fromCharCode(buf[i]);
+ }
+ return ret
+ }
+
+ function hexSlice (buf, start, end) {
+ var len = buf.length;
+
+ if (!start || start < 0) start = 0;
+ if (!end || end < 0 || end > len) end = len;
+
+ var out = '';
+ for (var i = start; i < end; ++i) {
+ out += toHex(buf[i]);
+ }
+ return out
+ }
+
+ function utf16leSlice (buf, start, end) {
+ var bytes = buf.slice(start, end);
+ var res = '';
+ for (var i = 0; i < bytes.length; i += 2) {
+ res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
+ }
+ return res
+ }
+
+ Buffer.prototype.slice = function slice (start, end) {
+ var len = this.length;
+ start = ~~start;
+ end = end === undefined ? len : ~~end;
+
+ if (start < 0) {
+ start += len;
+ if (start < 0) start = 0;
+ } else if (start > len) {
+ start = len;
+ }
+
+ if (end < 0) {
+ end += len;
+ if (end < 0) end = 0;
+ } else if (end > len) {
+ end = len;
+ }
+
+ if (end < start) end = start;
+
+ var newBuf;
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ newBuf = this.subarray(start, end);
+ newBuf.__proto__ = Buffer.prototype;
+ } else {
+ var sliceLen = end - start;
+ newBuf = new Buffer(sliceLen, undefined);
+ for (var i = 0; i < sliceLen; ++i) {
+ newBuf[i] = this[i + start];
+ }
+ }
+
+ return newBuf
+ };
+
+ /*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+ function checkOffset (offset, ext, length) {
+ if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+ if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+ }
+
+ Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) checkOffset(offset, byteLength, this.length);
+
+ var val = this[offset];
+ var mul = 1;
+ var i = 0;
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul;
+ }
+
+ return val
+ };
+
+ Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) {
+ checkOffset(offset, byteLength, this.length);
+ }
+
+ var val = this[offset + --byteLength];
+ var mul = 1;
+ while (byteLength > 0 && (mul *= 0x100)) {
+ val += this[offset + --byteLength] * mul;
+ }
+
+ return val
+ };
+
+ Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 1, this.length);
+ return this[offset]
+ };
+
+ Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 2, this.length);
+ return this[offset] | (this[offset + 1] << 8)
+ };
+
+ Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 2, this.length);
+ return (this[offset] << 8) | this[offset + 1]
+ };
+
+ Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length);
+
+ return ((this[offset]) |
+ (this[offset + 1] << 8) |
+ (this[offset + 2] << 16)) +
+ (this[offset + 3] * 0x1000000)
+ };
+
+ Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length);
+
+ return (this[offset] * 0x1000000) +
+ ((this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ this[offset + 3])
+ };
+
+ Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) checkOffset(offset, byteLength, this.length);
+
+ var val = this[offset];
+ var mul = 1;
+ var i = 0;
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul;
+ }
+ mul *= 0x80;
+
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+
+ return val
+ };
+
+ Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) checkOffset(offset, byteLength, this.length);
+
+ var i = byteLength;
+ var mul = 1;
+ var val = this[offset + --i];
+ while (i > 0 && (mul *= 0x100)) {
+ val += this[offset + --i] * mul;
+ }
+ mul *= 0x80;
+
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+
+ return val
+ };
+
+ Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 1, this.length);
+ if (!(this[offset] & 0x80)) return (this[offset])
+ return ((0xff - this[offset] + 1) * -1)
+ };
+
+ Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 2, this.length);
+ var val = this[offset] | (this[offset + 1] << 8);
+ return (val & 0x8000) ? val | 0xFFFF0000 : val
+ };
+
+ Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 2, this.length);
+ var val = this[offset + 1] | (this[offset] << 8);
+ return (val & 0x8000) ? val | 0xFFFF0000 : val
+ };
+
+ Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length);
+
+ return (this[offset]) |
+ (this[offset + 1] << 8) |
+ (this[offset + 2] << 16) |
+ (this[offset + 3] << 24)
+ };
+
+ Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length);
+
+ return (this[offset] << 24) |
+ (this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ (this[offset + 3])
+ };
+
+ Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length);
+ return read(this, offset, true, 23, 4)
+ };
+
+ Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length);
+ return read(this, offset, false, 23, 4)
+ };
+
+ Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 8, this.length);
+ return read(this, offset, true, 52, 8)
+ };
+
+ Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 8, this.length);
+ return read(this, offset, false, 52, 8)
+ };
+
+ function checkInt (buf, value, offset, ext, max, min) {
+ if (!internalIsBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+ if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+ if (offset + ext > buf.length) throw new RangeError('Index out of range')
+ }
+
+ Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) {
+ var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+ checkInt(this, value, offset, byteLength, maxBytes, 0);
+ }
+
+ var mul = 1;
+ var i = 0;
+ this[offset] = value & 0xFF;
+ while (++i < byteLength && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF;
+ }
+
+ return offset + byteLength
+ };
+
+ Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ byteLength = byteLength | 0;
+ if (!noAssert) {
+ var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+ checkInt(this, value, offset, byteLength, maxBytes, 0);
+ }
+
+ var i = byteLength - 1;
+ var mul = 1;
+ this[offset + i] = value & 0xFF;
+ while (--i >= 0 && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF;
+ }
+
+ return offset + byteLength
+ };
+
+ Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0);
+ if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
+ this[offset] = (value & 0xff);
+ return offset + 1
+ };
+
+ function objectWriteUInt16 (buf, value, offset, littleEndian) {
+ if (value < 0) value = 0xffff + value + 1;
+ for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
+ buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
+ (littleEndian ? i : 1 - i) * 8;
+ }
+ }
+
+ Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff);
+ this[offset + 1] = (value >>> 8);
+ } else {
+ objectWriteUInt16(this, value, offset, true);
+ }
+ return offset + 2
+ };
+
+ Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 8);
+ this[offset + 1] = (value & 0xff);
+ } else {
+ objectWriteUInt16(this, value, offset, false);
+ }
+ return offset + 2
+ };
+
+ function objectWriteUInt32 (buf, value, offset, littleEndian) {
+ if (value < 0) value = 0xffffffff + value + 1;
+ for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
+ buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff;
+ }
+ }
+
+ Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset + 3] = (value >>> 24);
+ this[offset + 2] = (value >>> 16);
+ this[offset + 1] = (value >>> 8);
+ this[offset] = (value & 0xff);
+ } else {
+ objectWriteUInt32(this, value, offset, true);
+ }
+ return offset + 4
+ };
+
+ Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 24);
+ this[offset + 1] = (value >>> 16);
+ this[offset + 2] = (value >>> 8);
+ this[offset + 3] = (value & 0xff);
+ } else {
+ objectWriteUInt32(this, value, offset, false);
+ }
+ return offset + 4
+ };
+
+ Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) {
+ var limit = Math.pow(2, 8 * byteLength - 1);
+
+ checkInt(this, value, offset, byteLength, limit - 1, -limit);
+ }
+
+ var i = 0;
+ var mul = 1;
+ var sub = 0;
+ this[offset] = value & 0xFF;
+ while (++i < byteLength && (mul *= 0x100)) {
+ if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+ sub = 1;
+ }
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF;
+ }
+
+ return offset + byteLength
+ };
+
+ Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) {
+ var limit = Math.pow(2, 8 * byteLength - 1);
+
+ checkInt(this, value, offset, byteLength, limit - 1, -limit);
+ }
+
+ var i = byteLength - 1;
+ var mul = 1;
+ var sub = 0;
+ this[offset + i] = value & 0xFF;
+ while (--i >= 0 && (mul *= 0x100)) {
+ if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+ sub = 1;
+ }
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF;
+ }
+
+ return offset + byteLength
+ };
+
+ Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80);
+ if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
+ if (value < 0) value = 0xff + value + 1;
+ this[offset] = (value & 0xff);
+ return offset + 1
+ };
+
+ Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff);
+ this[offset + 1] = (value >>> 8);
+ } else {
+ objectWriteUInt16(this, value, offset, true);
+ }
+ return offset + 2
+ };
+
+ Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 8);
+ this[offset + 1] = (value & 0xff);
+ } else {
+ objectWriteUInt16(this, value, offset, false);
+ }
+ return offset + 2
+ };
+
+ Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff);
+ this[offset + 1] = (value >>> 8);
+ this[offset + 2] = (value >>> 16);
+ this[offset + 3] = (value >>> 24);
+ } else {
+ objectWriteUInt32(this, value, offset, true);
+ }
+ return offset + 4
+ };
+
+ Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+ value = +value;
+ offset = offset | 0;
+ if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
+ if (value < 0) value = 0xffffffff + value + 1;
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 24);
+ this[offset + 1] = (value >>> 16);
+ this[offset + 2] = (value >>> 8);
+ this[offset + 3] = (value & 0xff);
+ } else {
+ objectWriteUInt32(this, value, offset, false);
+ }
+ return offset + 4
+ };
+
+ function checkIEEE754 (buf, value, offset, ext, max, min) {
+ if (offset + ext > buf.length) throw new RangeError('Index out of range')
+ if (offset < 0) throw new RangeError('Index out of range')
+ }
+
+ function writeFloat (buf, value, offset, littleEndian, noAssert) {
+ if (!noAssert) {
+ checkIEEE754(buf, value, offset, 4);
+ }
+ write(buf, value, offset, littleEndian, 23, 4);
+ return offset + 4
+ }
+
+ Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+ return writeFloat(this, value, offset, true, noAssert)
+ };
+
+ Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+ return writeFloat(this, value, offset, false, noAssert)
+ };
+
+ function writeDouble (buf, value, offset, littleEndian, noAssert) {
+ if (!noAssert) {
+ checkIEEE754(buf, value, offset, 8);
+ }
+ write(buf, value, offset, littleEndian, 52, 8);
+ return offset + 8
+ }
+
+ Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+ return writeDouble(this, value, offset, true, noAssert)
+ };
+
+ Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+ return writeDouble(this, value, offset, false, noAssert)
+ };
+
+ // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+ Buffer.prototype.copy = function copy (target, targetStart, start, end) {
+ if (!start) start = 0;
+ if (!end && end !== 0) end = this.length;
+ if (targetStart >= target.length) targetStart = target.length;
+ if (!targetStart) targetStart = 0;
+ if (end > 0 && end < start) end = start;
+
+ // Copy 0 bytes; we're done
+ if (end === start) return 0
+ if (target.length === 0 || this.length === 0) return 0
+
+ // Fatal error conditions
+ if (targetStart < 0) {
+ throw new RangeError('targetStart out of bounds')
+ }
+ if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
+ if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+ // Are we oob?
+ if (end > this.length) end = this.length;
+ if (target.length - targetStart < end - start) {
+ end = target.length - targetStart + start;
+ }
+
+ var len = end - start;
+ var i;
+
+ if (this === target && start < targetStart && targetStart < end) {
+ // descending copy from end
+ for (i = len - 1; i >= 0; --i) {
+ target[i + targetStart] = this[i + start];
+ }
+ } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
+ // ascending copy from start
+ for (i = 0; i < len; ++i) {
+ target[i + targetStart] = this[i + start];
+ }
+ } else {
+ Uint8Array.prototype.set.call(
+ target,
+ this.subarray(start, start + len),
+ targetStart
+ );
+ }
+
+ return len
+ };
+
+ // Usage:
+ // buffer.fill(number[, offset[, end]])
+ // buffer.fill(buffer[, offset[, end]])
+ // buffer.fill(string[, offset[, end]][, encoding])
+ Buffer.prototype.fill = function fill (val, start, end, encoding) {
+ // Handle string cases:
+ if (typeof val === 'string') {
+ if (typeof start === 'string') {
+ encoding = start;
+ start = 0;
+ end = this.length;
+ } else if (typeof end === 'string') {
+ encoding = end;
+ end = this.length;
+ }
+ if (val.length === 1) {
+ var code = val.charCodeAt(0);
+ if (code < 256) {
+ val = code;
+ }
+ }
+ if (encoding !== undefined && typeof encoding !== 'string') {
+ throw new TypeError('encoding must be a string')
+ }
+ if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+ throw new TypeError('Unknown encoding: ' + encoding)
+ }
+ } else if (typeof val === 'number') {
+ val = val & 255;
+ }
+
+ // Invalid ranges are not set to a default, so can range check early.
+ if (start < 0 || this.length < start || this.length < end) {
+ throw new RangeError('Out of range index')
+ }
+
+ if (end <= start) {
+ return this
+ }
+
+ start = start >>> 0;
+ end = end === undefined ? this.length : end >>> 0;
+
+ if (!val) val = 0;
+
+ var i;
+ if (typeof val === 'number') {
+ for (i = start; i < end; ++i) {
+ this[i] = val;
+ }
+ } else {
+ var bytes = internalIsBuffer(val)
+ ? val
+ : utf8ToBytes(new Buffer(val, encoding).toString());
+ var len = bytes.length;
+ for (i = 0; i < end - start; ++i) {
+ this[i + start] = bytes[i % len];
+ }
+ }
+
+ return this
+ };
+
+ // HELPER FUNCTIONS
+ // ================
+
+ var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g;
+
+ function base64clean (str) {
+ // Node strips out invalid characters like \n and \t from the string, base64-js does not
+ str = stringtrim(str).replace(INVALID_BASE64_RE, '');
+ // Node converts strings with length < 2 to ''
+ if (str.length < 2) return ''
+ // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+ while (str.length % 4 !== 0) {
+ str = str + '=';
+ }
+ return str
+ }
+
+ function stringtrim (str) {
+ if (str.trim) return str.trim()
+ return str.replace(/^\s+|\s+$/g, '')
+ }
+
+ function toHex (n) {
+ if (n < 16) return '0' + n.toString(16)
+ return n.toString(16)
+ }
+
+ function utf8ToBytes (string, units) {
+ units = units || Infinity;
+ var codePoint;
+ var length = string.length;
+ var leadSurrogate = null;
+ var bytes = [];
+
+ for (var i = 0; i < length; ++i) {
+ codePoint = string.charCodeAt(i);
+
+ // is surrogate component
+ if (codePoint > 0xD7FF && codePoint < 0xE000) {
+ // last char was a lead
+ if (!leadSurrogate) {
+ // no lead yet
+ if (codePoint > 0xDBFF) {
+ // unexpected trail
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+ continue
+ } else if (i + 1 === length) {
+ // unpaired lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+ continue
+ }
+
+ // valid lead
+ leadSurrogate = codePoint;
+
+ continue
+ }
+
+ // 2 leads in a row
+ if (codePoint < 0xDC00) {
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+ leadSurrogate = codePoint;
+ continue
+ }
+
+ // valid surrogate pair
+ codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
+ } else if (leadSurrogate) {
+ // valid bmp char, but last char was a lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+ }
+
+ leadSurrogate = null;
+
+ // encode utf8
+ if (codePoint < 0x80) {
+ if ((units -= 1) < 0) break
+ bytes.push(codePoint);
+ } else if (codePoint < 0x800) {
+ if ((units -= 2) < 0) break
+ bytes.push(
+ codePoint >> 0x6 | 0xC0,
+ codePoint & 0x3F | 0x80
+ );
+ } else if (codePoint < 0x10000) {
+ if ((units -= 3) < 0) break
+ bytes.push(
+ codePoint >> 0xC | 0xE0,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ );
+ } else if (codePoint < 0x110000) {
+ if ((units -= 4) < 0) break
+ bytes.push(
+ codePoint >> 0x12 | 0xF0,
+ codePoint >> 0xC & 0x3F | 0x80,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ );
+ } else {
+ throw new Error('Invalid code point')
+ }
+ }
+
+ return bytes
+ }
+
+ function asciiToBytes (str) {
+ var byteArray = [];
+ for (var i = 0; i < str.length; ++i) {
+ // Node's code seems to be doing this and not & 0x7F..
+ byteArray.push(str.charCodeAt(i) & 0xFF);
+ }
+ return byteArray
+ }
+
+ function utf16leToBytes (str, units) {
+ var c, hi, lo;
+ var byteArray = [];
+ for (var i = 0; i < str.length; ++i) {
+ if ((units -= 2) < 0) break
+
+ c = str.charCodeAt(i);
+ hi = c >> 8;
+ lo = c % 256;
+ byteArray.push(lo);
+ byteArray.push(hi);
+ }
+
+ return byteArray
+ }
+
+
+ function base64ToBytes (str) {
+ return toByteArray(base64clean(str))
+ }
+
+ function blitBuffer (src, dst, offset, length) {
+ for (var i = 0; i < length; ++i) {
+ if ((i + offset >= dst.length) || (i >= src.length)) break
+ dst[i + offset] = src[i];
+ }
+ return i
+ }
+
+ function isnan (val) {
+ return val !== val // eslint-disable-line no-self-compare
+ }
+
+
+ // the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence
+ // The _isBuffer check is for Safari 5-7 support, because it's missing
+ // Object.prototype.constructor. Remove this eventually
+ function isBuffer(obj) {
+ return obj != null && (!!obj._isBuffer || isFastBuffer(obj) || isSlowBuffer(obj))
+ }
+
+ function isFastBuffer (obj) {
+ return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
+ }
+
+ // For Node v0.10 support. Remove this eventually.
+ function isSlowBuffer (obj) {
+ return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer(obj.slice(0, 0))
+ }
+
+ var browser$2 = true;
+
+ var utils$3 = {};
+
+ let urlAlphabet =
+ 'useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict';
+ let customAlphabet = (alphabet, defaultSize = 21) => {
+ return (size = defaultSize) => {
+ let id = '';
+ let i = size;
+ while (i--) {
+ id += alphabet[(Math.random() * alphabet.length) | 0];
+ }
+ return id
+ }
+ };
+ let nanoid = (size = 21) => {
+ let id = '';
+ let i = size;
+ while (i--) {
+ id += urlAlphabet[(Math.random() * 64) | 0];
+ }
+ return id
+ };
+ var nonSecure = { nanoid, customAlphabet };
+
+ var he = {exports: {}};
+
+ /*! https://mths.be/he v1.2.0 by @mathias | MIT license */
+
+ (function (module, exports) {
+ (function(root) {
+
+ // Detect free variables `exports`.
+ var freeExports = exports;
+
+ // Detect free variable `module`.
+ var freeModule = module &&
+ module.exports == freeExports && module;
+
+ // Detect free variable `global`, from Node.js or Browserified code,
+ // and use it as `root`.
+ var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal;
+ if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
+ root = freeGlobal;
+ }
+
+ /*--------------------------------------------------------------------------*/
+
+ // All astral symbols.
+ var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
+ // All ASCII symbols (not just printable ASCII) except those listed in the
+ // first column of the overrides table.
+ // https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides
+ var regexAsciiWhitelist = /[\x01-\x7F]/g;
+ // All BMP symbols that are not ASCII newlines, printable ASCII symbols, or
+ // code points listed in the first column of the overrides table on
+ // https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides.
+ var regexBmpWhitelist = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g;
+
+ var regexEncodeNonAscii = /<\u20D2|=\u20E5|>\u20D2|\u205F\u200A|\u219D\u0338|\u2202\u0338|\u2220\u20D2|\u2229\uFE00|\u222A\uFE00|\u223C\u20D2|\u223D\u0331|\u223E\u0333|\u2242\u0338|\u224B\u0338|\u224D\u20D2|\u224E\u0338|\u224F\u0338|\u2250\u0338|\u2261\u20E5|\u2264\u20D2|\u2265\u20D2|\u2266\u0338|\u2267\u0338|\u2268\uFE00|\u2269\uFE00|\u226A\u0338|\u226A\u20D2|\u226B\u0338|\u226B\u20D2|\u227F\u0338|\u2282\u20D2|\u2283\u20D2|\u228A\uFE00|\u228B\uFE00|\u228F\u0338|\u2290\u0338|\u2293\uFE00|\u2294\uFE00|\u22B4\u20D2|\u22B5\u20D2|\u22D8\u0338|\u22D9\u0338|\u22DA\uFE00|\u22DB\uFE00|\u22F5\u0338|\u22F9\u0338|\u2933\u0338|\u29CF\u0338|\u29D0\u0338|\u2A6D\u0338|\u2A70\u0338|\u2A7D\u0338|\u2A7E\u0338|\u2AA1\u0338|\u2AA2\u0338|\u2AAC\uFE00|\u2AAD\uFE00|\u2AAF\u0338|\u2AB0\u0338|\u2AC5\u0338|\u2AC6\u0338|\u2ACB\uFE00|\u2ACC\uFE00|\u2AFD\u20E5|[\xA0-\u0113\u0116-\u0122\u0124-\u012B\u012E-\u014D\u0150-\u017E\u0192\u01B5\u01F5\u0237\u02C6\u02C7\u02D8-\u02DD\u0311\u0391-\u03A1\u03A3-\u03A9\u03B1-\u03C9\u03D1\u03D2\u03D5\u03D6\u03DC\u03DD\u03F0\u03F1\u03F5\u03F6\u0401-\u040C\u040E-\u044F\u0451-\u045C\u045E\u045F\u2002-\u2005\u2007-\u2010\u2013-\u2016\u2018-\u201A\u201C-\u201E\u2020-\u2022\u2025\u2026\u2030-\u2035\u2039\u203A\u203E\u2041\u2043\u2044\u204F\u2057\u205F-\u2063\u20AC\u20DB\u20DC\u2102\u2105\u210A-\u2113\u2115-\u211E\u2122\u2124\u2127-\u2129\u212C\u212D\u212F-\u2131\u2133-\u2138\u2145-\u2148\u2153-\u215E\u2190-\u219B\u219D-\u21A7\u21A9-\u21AE\u21B0-\u21B3\u21B5-\u21B7\u21BA-\u21DB\u21DD\u21E4\u21E5\u21F5\u21FD-\u2205\u2207-\u2209\u220B\u220C\u220F-\u2214\u2216-\u2218\u221A\u221D-\u2238\u223A-\u2257\u2259\u225A\u225C\u225F-\u2262\u2264-\u228B\u228D-\u229B\u229D-\u22A5\u22A7-\u22B0\u22B2-\u22BB\u22BD-\u22DB\u22DE-\u22E3\u22E6-\u22F7\u22F9-\u22FE\u2305\u2306\u2308-\u2310\u2312\u2313\u2315\u2316\u231C-\u231F\u2322\u2323\u232D\u232E\u2336\u233D\u233F\u237C\u23B0\u23B1\u23B4-\u23B6\u23DC-\u23DF\u23E2\u23E7\u2423\u24C8\u2500\u2502\u250C\u2510\u2514\u2518\u251C\u2524\u252C\u2534\u253C\u2550-\u256C\u2580\u2584\u2588\u2591-\u2593\u25A1\u25AA\u25AB\u25AD\u25AE\u25B1\u25B3-\u25B5\u25B8\u25B9\u25BD-\u25BF\u25C2\u25C3\u25CA\u25CB\u25EC\u25EF\u25F8-\u25FC\u2605\u2606\u260E\u2640\u2642\u2660\u2663\u2665\u2666\u266A\u266D-\u266F\u2713\u2717\u2720\u2736\u2758\u2772\u2773\u27C8\u27C9\u27E6-\u27ED\u27F5-\u27FA\u27FC\u27FF\u2902-\u2905\u290C-\u2913\u2916\u2919-\u2920\u2923-\u292A\u2933\u2935-\u2939\u293C\u293D\u2945\u2948-\u294B\u294E-\u2976\u2978\u2979\u297B-\u297F\u2985\u2986\u298B-\u2996\u299A\u299C\u299D\u29A4-\u29B7\u29B9\u29BB\u29BC\u29BE-\u29C5\u29C9\u29CD-\u29D0\u29DC-\u29DE\u29E3-\u29E5\u29EB\u29F4\u29F6\u2A00-\u2A02\u2A04\u2A06\u2A0C\u2A0D\u2A10-\u2A17\u2A22-\u2A27\u2A29\u2A2A\u2A2D-\u2A31\u2A33-\u2A3C\u2A3F\u2A40\u2A42-\u2A4D\u2A50\u2A53-\u2A58\u2A5A-\u2A5D\u2A5F\u2A66\u2A6A\u2A6D-\u2A75\u2A77-\u2A9A\u2A9D-\u2AA2\u2AA4-\u2AB0\u2AB3-\u2AC8\u2ACB\u2ACC\u2ACF-\u2ADB\u2AE4\u2AE6-\u2AE9\u2AEB-\u2AF3\u2AFD\uFB00-\uFB04]|\uD835[\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDCCF\uDD04\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDD6B]/g;
+ var encodeMap = {'\xAD':'shy','\u200C':'zwnj','\u200D':'zwj','\u200E':'lrm','\u2063':'ic','\u2062':'it','\u2061':'af','\u200F':'rlm','\u200B':'ZeroWidthSpace','\u2060':'NoBreak','\u0311':'DownBreve','\u20DB':'tdot','\u20DC':'DotDot','\t':'Tab','\n':'NewLine','\u2008':'puncsp','\u205F':'MediumSpace','\u2009':'thinsp','\u200A':'hairsp','\u2004':'emsp13','\u2002':'ensp','\u2005':'emsp14','\u2003':'emsp','\u2007':'numsp','\xA0':'nbsp','\u205F\u200A':'ThickSpace','\u203E':'oline','_':'lowbar','\u2010':'dash','\u2013':'ndash','\u2014':'mdash','\u2015':'horbar',',':'comma',';':'semi','\u204F':'bsemi',':':'colon','\u2A74':'Colone','!':'excl','\xA1':'iexcl','?':'quest','\xBF':'iquest','.':'period','\u2025':'nldr','\u2026':'mldr','\xB7':'middot','\'':'apos','\u2018':'lsquo','\u2019':'rsquo','\u201A':'sbquo','\u2039':'lsaquo','\u203A':'rsaquo','"':'quot','\u201C':'ldquo','\u201D':'rdquo','\u201E':'bdquo','\xAB':'laquo','\xBB':'raquo','(':'lpar',')':'rpar','[':'lsqb',']':'rsqb','{':'lcub','}':'rcub','\u2308':'lceil','\u2309':'rceil','\u230A':'lfloor','\u230B':'rfloor','\u2985':'lopar','\u2986':'ropar','\u298B':'lbrke','\u298C':'rbrke','\u298D':'lbrkslu','\u298E':'rbrksld','\u298F':'lbrksld','\u2990':'rbrkslu','\u2991':'langd','\u2992':'rangd','\u2993':'lparlt','\u2994':'rpargt','\u2995':'gtlPar','\u2996':'ltrPar','\u27E6':'lobrk','\u27E7':'robrk','\u27E8':'lang','\u27E9':'rang','\u27EA':'Lang','\u27EB':'Rang','\u27EC':'loang','\u27ED':'roang','\u2772':'lbbrk','\u2773':'rbbrk','\u2016':'Vert','\xA7':'sect','\xB6':'para','@':'commat','*':'ast','/':'sol','undefined':null,'&':'amp','#':'num','%':'percnt','\u2030':'permil','\u2031':'pertenk','\u2020':'dagger','\u2021':'Dagger','\u2022':'bull','\u2043':'hybull','\u2032':'prime','\u2033':'Prime','\u2034':'tprime','\u2057':'qprime','\u2035':'bprime','\u2041':'caret','`':'grave','\xB4':'acute','\u02DC':'tilde','^':'Hat','\xAF':'macr','\u02D8':'breve','\u02D9':'dot','\xA8':'die','\u02DA':'ring','\u02DD':'dblac','\xB8':'cedil','\u02DB':'ogon','\u02C6':'circ','\u02C7':'caron','\xB0':'deg','\xA9':'copy','\xAE':'reg','\u2117':'copysr','\u2118':'wp','\u211E':'rx','\u2127':'mho','\u2129':'iiota','\u2190':'larr','\u219A':'nlarr','\u2192':'rarr','\u219B':'nrarr','\u2191':'uarr','\u2193':'darr','\u2194':'harr','\u21AE':'nharr','\u2195':'varr','\u2196':'nwarr','\u2197':'nearr','\u2198':'searr','\u2199':'swarr','\u219D':'rarrw','\u219D\u0338':'nrarrw','\u219E':'Larr','\u219F':'Uarr','\u21A0':'Rarr','\u21A1':'Darr','\u21A2':'larrtl','\u21A3':'rarrtl','\u21A4':'mapstoleft','\u21A5':'mapstoup','\u21A6':'map','\u21A7':'mapstodown','\u21A9':'larrhk','\u21AA':'rarrhk','\u21AB':'larrlp','\u21AC':'rarrlp','\u21AD':'harrw','\u21B0':'lsh','\u21B1':'rsh','\u21B2':'ldsh','\u21B3':'rdsh','\u21B5':'crarr','\u21B6':'cularr','\u21B7':'curarr','\u21BA':'olarr','\u21BB':'orarr','\u21BC':'lharu','\u21BD':'lhard','\u21BE':'uharr','\u21BF':'uharl','\u21C0':'rharu','\u21C1':'rhard','\u21C2':'dharr','\u21C3':'dharl','\u21C4':'rlarr','\u21C5':'udarr','\u21C6':'lrarr','\u21C7':'llarr','\u21C8':'uuarr','\u21C9':'rrarr','\u21CA':'ddarr','\u21CB':'lrhar','\u21CC':'rlhar','\u21D0':'lArr','\u21CD':'nlArr','\u21D1':'uArr','\u21D2':'rArr','\u21CF':'nrArr','\u21D3':'dArr','\u21D4':'iff','\u21CE':'nhArr','\u21D5':'vArr','\u21D6':'nwArr','\u21D7':'neArr','\u21D8':'seArr','\u21D9':'swArr','\u21DA':'lAarr','\u21DB':'rAarr','\u21DD':'zigrarr','\u21E4':'larrb','\u21E5':'rarrb','\u21F5':'duarr','\u21FD':'loarr','\u21FE':'roarr','\u21FF':'hoarr','\u2200':'forall','\u2201':'comp','\u2202':'part','\u2202\u0338':'npart','\u2203':'exist','\u2204':'nexist','\u2205':'empty','\u2207':'Del','\u2208':'in','\u2209':'notin','\u220B':'ni','\u220C':'notni','\u03F6':'bepsi','\u220F':'prod','\u2210':'coprod','\u2211':'sum','+':'plus','\xB1':'pm','\xF7':'div','\xD7':'times','<':'lt','\u226E':'nlt','<\u20D2':'nvlt','=':'equals','\u2260':'ne','=\u20E5':'bne','\u2A75':'Equal','>':'gt','\u226F':'ngt','>\u20D2':'nvgt','\xAC':'not','|':'vert','\xA6':'brvbar','\u2212':'minus','\u2213':'mp','\u2214':'plusdo','\u2044':'frasl','\u2216':'setmn','\u2217':'lowast','\u2218':'compfn','\u221A':'Sqrt','\u221D':'prop','\u221E':'infin','\u221F':'angrt','\u2220':'ang','\u2220\u20D2':'nang','\u2221':'angmsd','\u2222':'angsph','\u2223':'mid','\u2224':'nmid','\u2225':'par','\u2226':'npar','\u2227':'and','\u2228':'or','\u2229':'cap','\u2229\uFE00':'caps','\u222A':'cup','\u222A\uFE00':'cups','\u222B':'int','\u222C':'Int','\u222D':'tint','\u2A0C':'qint','\u222E':'oint','\u222F':'Conint','\u2230':'Cconint','\u2231':'cwint','\u2232':'cwconint','\u2233':'awconint','\u2234':'there4','\u2235':'becaus','\u2236':'ratio','\u2237':'Colon','\u2238':'minusd','\u223A':'mDDot','\u223B':'homtht','\u223C':'sim','\u2241':'nsim','\u223C\u20D2':'nvsim','\u223D':'bsim','\u223D\u0331':'race','\u223E':'ac','\u223E\u0333':'acE','\u223F':'acd','\u2240':'wr','\u2242':'esim','\u2242\u0338':'nesim','\u2243':'sime','\u2244':'nsime','\u2245':'cong','\u2247':'ncong','\u2246':'simne','\u2248':'ap','\u2249':'nap','\u224A':'ape','\u224B':'apid','\u224B\u0338':'napid','\u224C':'bcong','\u224D':'CupCap','\u226D':'NotCupCap','\u224D\u20D2':'nvap','\u224E':'bump','\u224E\u0338':'nbump','\u224F':'bumpe','\u224F\u0338':'nbumpe','\u2250':'doteq','\u2250\u0338':'nedot','\u2251':'eDot','\u2252':'efDot','\u2253':'erDot','\u2254':'colone','\u2255':'ecolon','\u2256':'ecir','\u2257':'cire','\u2259':'wedgeq','\u225A':'veeeq','\u225C':'trie','\u225F':'equest','\u2261':'equiv','\u2262':'nequiv','\u2261\u20E5':'bnequiv','\u2264':'le','\u2270':'nle','\u2264\u20D2':'nvle','\u2265':'ge','\u2271':'nge','\u2265\u20D2':'nvge','\u2266':'lE','\u2266\u0338':'nlE','\u2267':'gE','\u2267\u0338':'ngE','\u2268\uFE00':'lvnE','\u2268':'lnE','\u2269':'gnE','\u2269\uFE00':'gvnE','\u226A':'ll','\u226A\u0338':'nLtv','\u226A\u20D2':'nLt','\u226B':'gg','\u226B\u0338':'nGtv','\u226B\u20D2':'nGt','\u226C':'twixt','\u2272':'lsim','\u2274':'nlsim','\u2273':'gsim','\u2275':'ngsim','\u2276':'lg','\u2278':'ntlg','\u2277':'gl','\u2279':'ntgl','\u227A':'pr','\u2280':'npr','\u227B':'sc','\u2281':'nsc','\u227C':'prcue','\u22E0':'nprcue','\u227D':'sccue','\u22E1':'nsccue','\u227E':'prsim','\u227F':'scsim','\u227F\u0338':'NotSucceedsTilde','\u2282':'sub','\u2284':'nsub','\u2282\u20D2':'vnsub','\u2283':'sup','\u2285':'nsup','\u2283\u20D2':'vnsup','\u2286':'sube','\u2288':'nsube','\u2287':'supe','\u2289':'nsupe','\u228A\uFE00':'vsubne','\u228A':'subne','\u228B\uFE00':'vsupne','\u228B':'supne','\u228D':'cupdot','\u228E':'uplus','\u228F':'sqsub','\u228F\u0338':'NotSquareSubset','\u2290':'sqsup','\u2290\u0338':'NotSquareSuperset','\u2291':'sqsube','\u22E2':'nsqsube','\u2292':'sqsupe','\u22E3':'nsqsupe','\u2293':'sqcap','\u2293\uFE00':'sqcaps','\u2294':'sqcup','\u2294\uFE00':'sqcups','\u2295':'oplus','\u2296':'ominus','\u2297':'otimes','\u2298':'osol','\u2299':'odot','\u229A':'ocir','\u229B':'oast','\u229D':'odash','\u229E':'plusb','\u229F':'minusb','\u22A0':'timesb','\u22A1':'sdotb','\u22A2':'vdash','\u22AC':'nvdash','\u22A3':'dashv','\u22A4':'top','\u22A5':'bot','\u22A7':'models','\u22A8':'vDash','\u22AD':'nvDash','\u22A9':'Vdash','\u22AE':'nVdash','\u22AA':'Vvdash','\u22AB':'VDash','\u22AF':'nVDash','\u22B0':'prurel','\u22B2':'vltri','\u22EA':'nltri','\u22B3':'vrtri','\u22EB':'nrtri','\u22B4':'ltrie','\u22EC':'nltrie','\u22B4\u20D2':'nvltrie','\u22B5':'rtrie','\u22ED':'nrtrie','\u22B5\u20D2':'nvrtrie','\u22B6':'origof','\u22B7':'imof','\u22B8':'mumap','\u22B9':'hercon','\u22BA':'intcal','\u22BB':'veebar','\u22BD':'barvee','\u22BE':'angrtvb','\u22BF':'lrtri','\u22C0':'Wedge','\u22C1':'Vee','\u22C2':'xcap','\u22C3':'xcup','\u22C4':'diam','\u22C5':'sdot','\u22C6':'Star','\u22C7':'divonx','\u22C8':'bowtie','\u22C9':'ltimes','\u22CA':'rtimes','\u22CB':'lthree','\u22CC':'rthree','\u22CD':'bsime','\u22CE':'cuvee','\u22CF':'cuwed','\u22D0':'Sub','\u22D1':'Sup','\u22D2':'Cap','\u22D3':'Cup','\u22D4':'fork','\u22D5':'epar','\u22D6':'ltdot','\u22D7':'gtdot','\u22D8':'Ll','\u22D8\u0338':'nLl','\u22D9':'Gg','\u22D9\u0338':'nGg','\u22DA\uFE00':'lesg','\u22DA':'leg','\u22DB':'gel','\u22DB\uFE00':'gesl','\u22DE':'cuepr','\u22DF':'cuesc','\u22E6':'lnsim','\u22E7':'gnsim','\u22E8':'prnsim','\u22E9':'scnsim','\u22EE':'vellip','\u22EF':'ctdot','\u22F0':'utdot','\u22F1':'dtdot','\u22F2':'disin','\u22F3':'isinsv','\u22F4':'isins','\u22F5':'isindot','\u22F5\u0338':'notindot','\u22F6':'notinvc','\u22F7':'notinvb','\u22F9':'isinE','\u22F9\u0338':'notinE','\u22FA':'nisd','\u22FB':'xnis','\u22FC':'nis','\u22FD':'notnivc','\u22FE':'notnivb','\u2305':'barwed','\u2306':'Barwed','\u230C':'drcrop','\u230D':'dlcrop','\u230E':'urcrop','\u230F':'ulcrop','\u2310':'bnot','\u2312':'profline','\u2313':'profsurf','\u2315':'telrec','\u2316':'target','\u231C':'ulcorn','\u231D':'urcorn','\u231E':'dlcorn','\u231F':'drcorn','\u2322':'frown','\u2323':'smile','\u232D':'cylcty','\u232E':'profalar','\u2336':'topbot','\u233D':'ovbar','\u233F':'solbar','\u237C':'angzarr','\u23B0':'lmoust','\u23B1':'rmoust','\u23B4':'tbrk','\u23B5':'bbrk','\u23B6':'bbrktbrk','\u23DC':'OverParenthesis','\u23DD':'UnderParenthesis','\u23DE':'OverBrace','\u23DF':'UnderBrace','\u23E2':'trpezium','\u23E7':'elinters','\u2423':'blank','\u2500':'boxh','\u2502':'boxv','\u250C':'boxdr','\u2510':'boxdl','\u2514':'boxur','\u2518':'boxul','\u251C':'boxvr','\u2524':'boxvl','\u252C':'boxhd','\u2534':'boxhu','\u253C':'boxvh','\u2550':'boxH','\u2551':'boxV','\u2552':'boxdR','\u2553':'boxDr','\u2554':'boxDR','\u2555':'boxdL','\u2556':'boxDl','\u2557':'boxDL','\u2558':'boxuR','\u2559':'boxUr','\u255A':'boxUR','\u255B':'boxuL','\u255C':'boxUl','\u255D':'boxUL','\u255E':'boxvR','\u255F':'boxVr','\u2560':'boxVR','\u2561':'boxvL','\u2562':'boxVl','\u2563':'boxVL','\u2564':'boxHd','\u2565':'boxhD','\u2566':'boxHD','\u2567':'boxHu','\u2568':'boxhU','\u2569':'boxHU','\u256A':'boxvH','\u256B':'boxVh','\u256C':'boxVH','\u2580':'uhblk','\u2584':'lhblk','\u2588':'block','\u2591':'blk14','\u2592':'blk12','\u2593':'blk34','\u25A1':'squ','\u25AA':'squf','\u25AB':'EmptyVerySmallSquare','\u25AD':'rect','\u25AE':'marker','\u25B1':'fltns','\u25B3':'xutri','\u25B4':'utrif','\u25B5':'utri','\u25B8':'rtrif','\u25B9':'rtri','\u25BD':'xdtri','\u25BE':'dtrif','\u25BF':'dtri','\u25C2':'ltrif','\u25C3':'ltri','\u25CA':'loz','\u25CB':'cir','\u25EC':'tridot','\u25EF':'xcirc','\u25F8':'ultri','\u25F9':'urtri','\u25FA':'lltri','\u25FB':'EmptySmallSquare','\u25FC':'FilledSmallSquare','\u2605':'starf','\u2606':'star','\u260E':'phone','\u2640':'female','\u2642':'male','\u2660':'spades','\u2663':'clubs','\u2665':'hearts','\u2666':'diams','\u266A':'sung','\u2713':'check','\u2717':'cross','\u2720':'malt','\u2736':'sext','\u2758':'VerticalSeparator','\u27C8':'bsolhsub','\u27C9':'suphsol','\u27F5':'xlarr','\u27F6':'xrarr','\u27F7':'xharr','\u27F8':'xlArr','\u27F9':'xrArr','\u27FA':'xhArr','\u27FC':'xmap','\u27FF':'dzigrarr','\u2902':'nvlArr','\u2903':'nvrArr','\u2904':'nvHarr','\u2905':'Map','\u290C':'lbarr','\u290D':'rbarr','\u290E':'lBarr','\u290F':'rBarr','\u2910':'RBarr','\u2911':'DDotrahd','\u2912':'UpArrowBar','\u2913':'DownArrowBar','\u2916':'Rarrtl','\u2919':'latail','\u291A':'ratail','\u291B':'lAtail','\u291C':'rAtail','\u291D':'larrfs','\u291E':'rarrfs','\u291F':'larrbfs','\u2920':'rarrbfs','\u2923':'nwarhk','\u2924':'nearhk','\u2925':'searhk','\u2926':'swarhk','\u2927':'nwnear','\u2928':'toea','\u2929':'tosa','\u292A':'swnwar','\u2933':'rarrc','\u2933\u0338':'nrarrc','\u2935':'cudarrr','\u2936':'ldca','\u2937':'rdca','\u2938':'cudarrl','\u2939':'larrpl','\u293C':'curarrm','\u293D':'cularrp','\u2945':'rarrpl','\u2948':'harrcir','\u2949':'Uarrocir','\u294A':'lurdshar','\u294B':'ldrushar','\u294E':'LeftRightVector','\u294F':'RightUpDownVector','\u2950':'DownLeftRightVector','\u2951':'LeftUpDownVector','\u2952':'LeftVectorBar','\u2953':'RightVectorBar','\u2954':'RightUpVectorBar','\u2955':'RightDownVectorBar','\u2956':'DownLeftVectorBar','\u2957':'DownRightVectorBar','\u2958':'LeftUpVectorBar','\u2959':'LeftDownVectorBar','\u295A':'LeftTeeVector','\u295B':'RightTeeVector','\u295C':'RightUpTeeVector','\u295D':'RightDownTeeVector','\u295E':'DownLeftTeeVector','\u295F':'DownRightTeeVector','\u2960':'LeftUpTeeVector','\u2961':'LeftDownTeeVector','\u2962':'lHar','\u2963':'uHar','\u2964':'rHar','\u2965':'dHar','\u2966':'luruhar','\u2967':'ldrdhar','\u2968':'ruluhar','\u2969':'rdldhar','\u296A':'lharul','\u296B':'llhard','\u296C':'rharul','\u296D':'lrhard','\u296E':'udhar','\u296F':'duhar','\u2970':'RoundImplies','\u2971':'erarr','\u2972':'simrarr','\u2973':'larrsim','\u2974':'rarrsim','\u2975':'rarrap','\u2976':'ltlarr','\u2978':'gtrarr','\u2979':'subrarr','\u297B':'suplarr','\u297C':'lfisht','\u297D':'rfisht','\u297E':'ufisht','\u297F':'dfisht','\u299A':'vzigzag','\u299C':'vangrt','\u299D':'angrtvbd','\u29A4':'ange','\u29A5':'range','\u29A6':'dwangle','\u29A7':'uwangle','\u29A8':'angmsdaa','\u29A9':'angmsdab','\u29AA':'angmsdac','\u29AB':'angmsdad','\u29AC':'angmsdae','\u29AD':'angmsdaf','\u29AE':'angmsdag','\u29AF':'angmsdah','\u29B0':'bemptyv','\u29B1':'demptyv','\u29B2':'cemptyv','\u29B3':'raemptyv','\u29B4':'laemptyv','\u29B5':'ohbar','\u29B6':'omid','\u29B7':'opar','\u29B9':'operp','\u29BB':'olcross','\u29BC':'odsold','\u29BE':'olcir','\u29BF':'ofcir','\u29C0':'olt','\u29C1':'ogt','\u29C2':'cirscir','\u29C3':'cirE','\u29C4':'solb','\u29C5':'bsolb','\u29C9':'boxbox','\u29CD':'trisb','\u29CE':'rtriltri','\u29CF':'LeftTriangleBar','\u29CF\u0338':'NotLeftTriangleBar','\u29D0':'RightTriangleBar','\u29D0\u0338':'NotRightTriangleBar','\u29DC':'iinfin','\u29DD':'infintie','\u29DE':'nvinfin','\u29E3':'eparsl','\u29E4':'smeparsl','\u29E5':'eqvparsl','\u29EB':'lozf','\u29F4':'RuleDelayed','\u29F6':'dsol','\u2A00':'xodot','\u2A01':'xoplus','\u2A02':'xotime','\u2A04':'xuplus','\u2A06':'xsqcup','\u2A0D':'fpartint','\u2A10':'cirfnint','\u2A11':'awint','\u2A12':'rppolint','\u2A13':'scpolint','\u2A14':'npolint','\u2A15':'pointint','\u2A16':'quatint','\u2A17':'intlarhk','\u2A22':'pluscir','\u2A23':'plusacir','\u2A24':'simplus','\u2A25':'plusdu','\u2A26':'plussim','\u2A27':'plustwo','\u2A29':'mcomma','\u2A2A':'minusdu','\u2A2D':'loplus','\u2A2E':'roplus','\u2A2F':'Cross','\u2A30':'timesd','\u2A31':'timesbar','\u2A33':'smashp','\u2A34':'lotimes','\u2A35':'rotimes','\u2A36':'otimesas','\u2A37':'Otimes','\u2A38':'odiv','\u2A39':'triplus','\u2A3A':'triminus','\u2A3B':'tritime','\u2A3C':'iprod','\u2A3F':'amalg','\u2A40':'capdot','\u2A42':'ncup','\u2A43':'ncap','\u2A44':'capand','\u2A45':'cupor','\u2A46':'cupcap','\u2A47':'capcup','\u2A48':'cupbrcap','\u2A49':'capbrcup','\u2A4A':'cupcup','\u2A4B':'capcap','\u2A4C':'ccups','\u2A4D':'ccaps','\u2A50':'ccupssm','\u2A53':'And','\u2A54':'Or','\u2A55':'andand','\u2A56':'oror','\u2A57':'orslope','\u2A58':'andslope','\u2A5A':'andv','\u2A5B':'orv','\u2A5C':'andd','\u2A5D':'ord','\u2A5F':'wedbar','\u2A66':'sdote','\u2A6A':'simdot','\u2A6D':'congdot','\u2A6D\u0338':'ncongdot','\u2A6E':'easter','\u2A6F':'apacir','\u2A70':'apE','\u2A70\u0338':'napE','\u2A71':'eplus','\u2A72':'pluse','\u2A73':'Esim','\u2A77':'eDDot','\u2A78':'equivDD','\u2A79':'ltcir','\u2A7A':'gtcir','\u2A7B':'ltquest','\u2A7C':'gtquest','\u2A7D':'les','\u2A7D\u0338':'nles','\u2A7E':'ges','\u2A7E\u0338':'nges','\u2A7F':'lesdot','\u2A80':'gesdot','\u2A81':'lesdoto','\u2A82':'gesdoto','\u2A83':'lesdotor','\u2A84':'gesdotol','\u2A85':'lap','\u2A86':'gap','\u2A87':'lne','\u2A88':'gne','\u2A89':'lnap','\u2A8A':'gnap','\u2A8B':'lEg','\u2A8C':'gEl','\u2A8D':'lsime','\u2A8E':'gsime','\u2A8F':'lsimg','\u2A90':'gsiml','\u2A91':'lgE','\u2A92':'glE','\u2A93':'lesges','\u2A94':'gesles','\u2A95':'els','\u2A96':'egs','\u2A97':'elsdot','\u2A98':'egsdot','\u2A99':'el','\u2A9A':'eg','\u2A9D':'siml','\u2A9E':'simg','\u2A9F':'simlE','\u2AA0':'simgE','\u2AA1':'LessLess','\u2AA1\u0338':'NotNestedLessLess','\u2AA2':'GreaterGreater','\u2AA2\u0338':'NotNestedGreaterGreater','\u2AA4':'glj','\u2AA5':'gla','\u2AA6':'ltcc','\u2AA7':'gtcc','\u2AA8':'lescc','\u2AA9':'gescc','\u2AAA':'smt','\u2AAB':'lat','\u2AAC':'smte','\u2AAC\uFE00':'smtes','\u2AAD':'late','\u2AAD\uFE00':'lates','\u2AAE':'bumpE','\u2AAF':'pre','\u2AAF\u0338':'npre','\u2AB0':'sce','\u2AB0\u0338':'nsce','\u2AB3':'prE','\u2AB4':'scE','\u2AB5':'prnE','\u2AB6':'scnE','\u2AB7':'prap','\u2AB8':'scap','\u2AB9':'prnap','\u2ABA':'scnap','\u2ABB':'Pr','\u2ABC':'Sc','\u2ABD':'subdot','\u2ABE':'supdot','\u2ABF':'subplus','\u2AC0':'supplus','\u2AC1':'submult','\u2AC2':'supmult','\u2AC3':'subedot','\u2AC4':'supedot','\u2AC5':'subE','\u2AC5\u0338':'nsubE','\u2AC6':'supE','\u2AC6\u0338':'nsupE','\u2AC7':'subsim','\u2AC8':'supsim','\u2ACB\uFE00':'vsubnE','\u2ACB':'subnE','\u2ACC\uFE00':'vsupnE','\u2ACC':'supnE','\u2ACF':'csub','\u2AD0':'csup','\u2AD1':'csube','\u2AD2':'csupe','\u2AD3':'subsup','\u2AD4':'supsub','\u2AD5':'subsub','\u2AD6':'supsup','\u2AD7':'suphsub','\u2AD8':'supdsub','\u2AD9':'forkv','\u2ADA':'topfork','\u2ADB':'mlcp','\u2AE4':'Dashv','\u2AE6':'Vdashl','\u2AE7':'Barv','\u2AE8':'vBar','\u2AE9':'vBarv','\u2AEB':'Vbar','\u2AEC':'Not','\u2AED':'bNot','\u2AEE':'rnmid','\u2AEF':'cirmid','\u2AF0':'midcir','\u2AF1':'topcir','\u2AF2':'nhpar','\u2AF3':'parsim','\u2AFD':'parsl','\u2AFD\u20E5':'nparsl','\u266D':'flat','\u266E':'natur','\u266F':'sharp','\xA4':'curren','\xA2':'cent','$':'dollar','\xA3':'pound','\xA5':'yen','\u20AC':'euro','\xB9':'sup1','\xBD':'half','\u2153':'frac13','\xBC':'frac14','\u2155':'frac15','\u2159':'frac16','\u215B':'frac18','\xB2':'sup2','\u2154':'frac23','\u2156':'frac25','\xB3':'sup3','\xBE':'frac34','\u2157':'frac35','\u215C':'frac38','\u2158':'frac45','\u215A':'frac56','\u215D':'frac58','\u215E':'frac78','\uD835\uDCB6':'ascr','\uD835\uDD52':'aopf','\uD835\uDD1E':'afr','\uD835\uDD38':'Aopf','\uD835\uDD04':'Afr','\uD835\uDC9C':'Ascr','\xAA':'ordf','\xE1':'aacute','\xC1':'Aacute','\xE0':'agrave','\xC0':'Agrave','\u0103':'abreve','\u0102':'Abreve','\xE2':'acirc','\xC2':'Acirc','\xE5':'aring','\xC5':'angst','\xE4':'auml','\xC4':'Auml','\xE3':'atilde','\xC3':'Atilde','\u0105':'aogon','\u0104':'Aogon','\u0101':'amacr','\u0100':'Amacr','\xE6':'aelig','\xC6':'AElig','\uD835\uDCB7':'bscr','\uD835\uDD53':'bopf','\uD835\uDD1F':'bfr','\uD835\uDD39':'Bopf','\u212C':'Bscr','\uD835\uDD05':'Bfr','\uD835\uDD20':'cfr','\uD835\uDCB8':'cscr','\uD835\uDD54':'copf','\u212D':'Cfr','\uD835\uDC9E':'Cscr','\u2102':'Copf','\u0107':'cacute','\u0106':'Cacute','\u0109':'ccirc','\u0108':'Ccirc','\u010D':'ccaron','\u010C':'Ccaron','\u010B':'cdot','\u010A':'Cdot','\xE7':'ccedil','\xC7':'Ccedil','\u2105':'incare','\uD835\uDD21':'dfr','\u2146':'dd','\uD835\uDD55':'dopf','\uD835\uDCB9':'dscr','\uD835\uDC9F':'Dscr','\uD835\uDD07':'Dfr','\u2145':'DD','\uD835\uDD3B':'Dopf','\u010F':'dcaron','\u010E':'Dcaron','\u0111':'dstrok','\u0110':'Dstrok','\xF0':'eth','\xD0':'ETH','\u2147':'ee','\u212F':'escr','\uD835\uDD22':'efr','\uD835\uDD56':'eopf','\u2130':'Escr','\uD835\uDD08':'Efr','\uD835\uDD3C':'Eopf','\xE9':'eacute','\xC9':'Eacute','\xE8':'egrave','\xC8':'Egrave','\xEA':'ecirc','\xCA':'Ecirc','\u011B':'ecaron','\u011A':'Ecaron','\xEB':'euml','\xCB':'Euml','\u0117':'edot','\u0116':'Edot','\u0119':'eogon','\u0118':'Eogon','\u0113':'emacr','\u0112':'Emacr','\uD835\uDD23':'ffr','\uD835\uDD57':'fopf','\uD835\uDCBB':'fscr','\uD835\uDD09':'Ffr','\uD835\uDD3D':'Fopf','\u2131':'Fscr','\uFB00':'fflig','\uFB03':'ffilig','\uFB04':'ffllig','\uFB01':'filig','fj':'fjlig','\uFB02':'fllig','\u0192':'fnof','\u210A':'gscr','\uD835\uDD58':'gopf','\uD835\uDD24':'gfr','\uD835\uDCA2':'Gscr','\uD835\uDD3E':'Gopf','\uD835\uDD0A':'Gfr','\u01F5':'gacute','\u011F':'gbreve','\u011E':'Gbreve','\u011D':'gcirc','\u011C':'Gcirc','\u0121':'gdot','\u0120':'Gdot','\u0122':'Gcedil','\uD835\uDD25':'hfr','\u210E':'planckh','\uD835\uDCBD':'hscr','\uD835\uDD59':'hopf','\u210B':'Hscr','\u210C':'Hfr','\u210D':'Hopf','\u0125':'hcirc','\u0124':'Hcirc','\u210F':'hbar','\u0127':'hstrok','\u0126':'Hstrok','\uD835\uDD5A':'iopf','\uD835\uDD26':'ifr','\uD835\uDCBE':'iscr','\u2148':'ii','\uD835\uDD40':'Iopf','\u2110':'Iscr','\u2111':'Im','\xED':'iacute','\xCD':'Iacute','\xEC':'igrave','\xCC':'Igrave','\xEE':'icirc','\xCE':'Icirc','\xEF':'iuml','\xCF':'Iuml','\u0129':'itilde','\u0128':'Itilde','\u0130':'Idot','\u012F':'iogon','\u012E':'Iogon','\u012B':'imacr','\u012A':'Imacr','\u0133':'ijlig','\u0132':'IJlig','\u0131':'imath','\uD835\uDCBF':'jscr','\uD835\uDD5B':'jopf','\uD835\uDD27':'jfr','\uD835\uDCA5':'Jscr','\uD835\uDD0D':'Jfr','\uD835\uDD41':'Jopf','\u0135':'jcirc','\u0134':'Jcirc','\u0237':'jmath','\uD835\uDD5C':'kopf','\uD835\uDCC0':'kscr','\uD835\uDD28':'kfr','\uD835\uDCA6':'Kscr','\uD835\uDD42':'Kopf','\uD835\uDD0E':'Kfr','\u0137':'kcedil','\u0136':'Kcedil','\uD835\uDD29':'lfr','\uD835\uDCC1':'lscr','\u2113':'ell','\uD835\uDD5D':'lopf','\u2112':'Lscr','\uD835\uDD0F':'Lfr','\uD835\uDD43':'Lopf','\u013A':'lacute','\u0139':'Lacute','\u013E':'lcaron','\u013D':'Lcaron','\u013C':'lcedil','\u013B':'Lcedil','\u0142':'lstrok','\u0141':'Lstrok','\u0140':'lmidot','\u013F':'Lmidot','\uD835\uDD2A':'mfr','\uD835\uDD5E':'mopf','\uD835\uDCC2':'mscr','\uD835\uDD10':'Mfr','\uD835\uDD44':'Mopf','\u2133':'Mscr','\uD835\uDD2B':'nfr','\uD835\uDD5F':'nopf','\uD835\uDCC3':'nscr','\u2115':'Nopf','\uD835\uDCA9':'Nscr','\uD835\uDD11':'Nfr','\u0144':'nacute','\u0143':'Nacute','\u0148':'ncaron','\u0147':'Ncaron','\xF1':'ntilde','\xD1':'Ntilde','\u0146':'ncedil','\u0145':'Ncedil','\u2116':'numero','\u014B':'eng','\u014A':'ENG','\uD835\uDD60':'oopf','\uD835\uDD2C':'ofr','\u2134':'oscr','\uD835\uDCAA':'Oscr','\uD835\uDD12':'Ofr','\uD835\uDD46':'Oopf','\xBA':'ordm','\xF3':'oacute','\xD3':'Oacute','\xF2':'ograve','\xD2':'Ograve','\xF4':'ocirc','\xD4':'Ocirc','\xF6':'ouml','\xD6':'Ouml','\u0151':'odblac','\u0150':'Odblac','\xF5':'otilde','\xD5':'Otilde','\xF8':'oslash','\xD8':'Oslash','\u014D':'omacr','\u014C':'Omacr','\u0153':'oelig','\u0152':'OElig','\uD835\uDD2D':'pfr','\uD835\uDCC5':'pscr','\uD835\uDD61':'popf','\u2119':'Popf','\uD835\uDD13':'Pfr','\uD835\uDCAB':'Pscr','\uD835\uDD62':'qopf','\uD835\uDD2E':'qfr','\uD835\uDCC6':'qscr','\uD835\uDCAC':'Qscr','\uD835\uDD14':'Qfr','\u211A':'Qopf','\u0138':'kgreen','\uD835\uDD2F':'rfr','\uD835\uDD63':'ropf','\uD835\uDCC7':'rscr','\u211B':'Rscr','\u211C':'Re','\u211D':'Ropf','\u0155':'racute','\u0154':'Racute','\u0159':'rcaron','\u0158':'Rcaron','\u0157':'rcedil','\u0156':'Rcedil','\uD835\uDD64':'sopf','\uD835\uDCC8':'sscr','\uD835\uDD30':'sfr','\uD835\uDD4A':'Sopf','\uD835\uDD16':'Sfr','\uD835\uDCAE':'Sscr','\u24C8':'oS','\u015B':'sacute','\u015A':'Sacute','\u015D':'scirc','\u015C':'Scirc','\u0161':'scaron','\u0160':'Scaron','\u015F':'scedil','\u015E':'Scedil','\xDF':'szlig','\uD835\uDD31':'tfr','\uD835\uDCC9':'tscr','\uD835\uDD65':'topf','\uD835\uDCAF':'Tscr','\uD835\uDD17':'Tfr','\uD835\uDD4B':'Topf','\u0165':'tcaron','\u0164':'Tcaron','\u0163':'tcedil','\u0162':'Tcedil','\u2122':'trade','\u0167':'tstrok','\u0166':'Tstrok','\uD835\uDCCA':'uscr','\uD835\uDD66':'uopf','\uD835\uDD32':'ufr','\uD835\uDD4C':'Uopf','\uD835\uDD18':'Ufr','\uD835\uDCB0':'Uscr','\xFA':'uacute','\xDA':'Uacute','\xF9':'ugrave','\xD9':'Ugrave','\u016D':'ubreve','\u016C':'Ubreve','\xFB':'ucirc','\xDB':'Ucirc','\u016F':'uring','\u016E':'Uring','\xFC':'uuml','\xDC':'Uuml','\u0171':'udblac','\u0170':'Udblac','\u0169':'utilde','\u0168':'Utilde','\u0173':'uogon','\u0172':'Uogon','\u016B':'umacr','\u016A':'Umacr','\uD835\uDD33':'vfr','\uD835\uDD67':'vopf','\uD835\uDCCB':'vscr','\uD835\uDD19':'Vfr','\uD835\uDD4D':'Vopf','\uD835\uDCB1':'Vscr','\uD835\uDD68':'wopf','\uD835\uDCCC':'wscr','\uD835\uDD34':'wfr','\uD835\uDCB2':'Wscr','\uD835\uDD4E':'Wopf','\uD835\uDD1A':'Wfr','\u0175':'wcirc','\u0174':'Wcirc','\uD835\uDD35':'xfr','\uD835\uDCCD':'xscr','\uD835\uDD69':'xopf','\uD835\uDD4F':'Xopf','\uD835\uDD1B':'Xfr','\uD835\uDCB3':'Xscr','\uD835\uDD36':'yfr','\uD835\uDCCE':'yscr','\uD835\uDD6A':'yopf','\uD835\uDCB4':'Yscr','\uD835\uDD1C':'Yfr','\uD835\uDD50':'Yopf','\xFD':'yacute','\xDD':'Yacute','\u0177':'ycirc','\u0176':'Ycirc','\xFF':'yuml','\u0178':'Yuml','\uD835\uDCCF':'zscr','\uD835\uDD37':'zfr','\uD835\uDD6B':'zopf','\u2128':'Zfr','\u2124':'Zopf','\uD835\uDCB5':'Zscr','\u017A':'zacute','\u0179':'Zacute','\u017E':'zcaron','\u017D':'Zcaron','\u017C':'zdot','\u017B':'Zdot','\u01B5':'imped','\xFE':'thorn','\xDE':'THORN','\u0149':'napos','\u03B1':'alpha','\u0391':'Alpha','\u03B2':'beta','\u0392':'Beta','\u03B3':'gamma','\u0393':'Gamma','\u03B4':'delta','\u0394':'Delta','\u03B5':'epsi','\u03F5':'epsiv','\u0395':'Epsilon','\u03DD':'gammad','\u03DC':'Gammad','\u03B6':'zeta','\u0396':'Zeta','\u03B7':'eta','\u0397':'Eta','\u03B8':'theta','\u03D1':'thetav','\u0398':'Theta','\u03B9':'iota','\u0399':'Iota','\u03BA':'kappa','\u03F0':'kappav','\u039A':'Kappa','\u03BB':'lambda','\u039B':'Lambda','\u03BC':'mu','\xB5':'micro','\u039C':'Mu','\u03BD':'nu','\u039D':'Nu','\u03BE':'xi','\u039E':'Xi','\u03BF':'omicron','\u039F':'Omicron','\u03C0':'pi','\u03D6':'piv','\u03A0':'Pi','\u03C1':'rho','\u03F1':'rhov','\u03A1':'Rho','\u03C3':'sigma','\u03A3':'Sigma','\u03C2':'sigmaf','\u03C4':'tau','\u03A4':'Tau','\u03C5':'upsi','\u03A5':'Upsilon','\u03D2':'Upsi','\u03C6':'phi','\u03D5':'phiv','\u03A6':'Phi','\u03C7':'chi','\u03A7':'Chi','\u03C8':'psi','\u03A8':'Psi','\u03C9':'omega','\u03A9':'ohm','\u0430':'acy','\u0410':'Acy','\u0431':'bcy','\u0411':'Bcy','\u0432':'vcy','\u0412':'Vcy','\u0433':'gcy','\u0413':'Gcy','\u0453':'gjcy','\u0403':'GJcy','\u0434':'dcy','\u0414':'Dcy','\u0452':'djcy','\u0402':'DJcy','\u0435':'iecy','\u0415':'IEcy','\u0451':'iocy','\u0401':'IOcy','\u0454':'jukcy','\u0404':'Jukcy','\u0436':'zhcy','\u0416':'ZHcy','\u0437':'zcy','\u0417':'Zcy','\u0455':'dscy','\u0405':'DScy','\u0438':'icy','\u0418':'Icy','\u0456':'iukcy','\u0406':'Iukcy','\u0457':'yicy','\u0407':'YIcy','\u0439':'jcy','\u0419':'Jcy','\u0458':'jsercy','\u0408':'Jsercy','\u043A':'kcy','\u041A':'Kcy','\u045C':'kjcy','\u040C':'KJcy','\u043B':'lcy','\u041B':'Lcy','\u0459':'ljcy','\u0409':'LJcy','\u043C':'mcy','\u041C':'Mcy','\u043D':'ncy','\u041D':'Ncy','\u045A':'njcy','\u040A':'NJcy','\u043E':'ocy','\u041E':'Ocy','\u043F':'pcy','\u041F':'Pcy','\u0440':'rcy','\u0420':'Rcy','\u0441':'scy','\u0421':'Scy','\u0442':'tcy','\u0422':'Tcy','\u045B':'tshcy','\u040B':'TSHcy','\u0443':'ucy','\u0423':'Ucy','\u045E':'ubrcy','\u040E':'Ubrcy','\u0444':'fcy','\u0424':'Fcy','\u0445':'khcy','\u0425':'KHcy','\u0446':'tscy','\u0426':'TScy','\u0447':'chcy','\u0427':'CHcy','\u045F':'dzcy','\u040F':'DZcy','\u0448':'shcy','\u0428':'SHcy','\u0449':'shchcy','\u0429':'SHCHcy','\u044A':'hardcy','\u042A':'HARDcy','\u044B':'ycy','\u042B':'Ycy','\u044C':'softcy','\u042C':'SOFTcy','\u044D':'ecy','\u042D':'Ecy','\u044E':'yucy','\u042E':'YUcy','\u044F':'yacy','\u042F':'YAcy','\u2135':'aleph','\u2136':'beth','\u2137':'gimel','\u2138':'daleth'};
+
+ var regexEscape = /["&'<>`]/g;
+ var escapeMap = {
+ '"': '"',
+ '&': '&',
+ '\'': ''',
+ '<': '<',
+ // See https://mathiasbynens.be/notes/ambiguous-ampersands: in HTML, the
+ // following is not strictly necessary unless it’s part of a tag or an
+ // unquoted attribute value. We’re only escaping it to support those
+ // situations, and for XML support.
+ '>': '>',
+ // In Internet Explorer ≤ 8, the backtick character can be used
+ // to break out of (un)quoted attribute values or HTML comments.
+ // See http://html5sec.org/#102, http://html5sec.org/#108, and
+ // http://html5sec.org/#133.
+ '`': '`'
+ };
+
+ var regexInvalidEntity = /&#(?:[xX][^a-fA-F0-9]|[^0-9xX])/;
+ var regexInvalidRawCodePoint = /[\0-\x08\x0B\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]|[\uD83F\uD87F\uD8BF\uD8FF\uD93F\uD97F\uD9BF\uD9FF\uDA3F\uDA7F\uDABF\uDAFF\uDB3F\uDB7F\uDBBF\uDBFF][\uDFFE\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
+ var regexDecode = /&(CounterClockwiseContourIntegral|DoubleLongLeftRightArrow|ClockwiseContourIntegral|NotNestedGreaterGreater|NotSquareSupersetEqual|DiacriticalDoubleAcute|NotRightTriangleEqual|NotSucceedsSlantEqual|NotPrecedesSlantEqual|CloseCurlyDoubleQuote|NegativeVeryThinSpace|DoubleContourIntegral|FilledVerySmallSquare|CapitalDifferentialD|OpenCurlyDoubleQuote|EmptyVerySmallSquare|NestedGreaterGreater|DoubleLongRightArrow|NotLeftTriangleEqual|NotGreaterSlantEqual|ReverseUpEquilibrium|DoubleLeftRightArrow|NotSquareSubsetEqual|NotDoubleVerticalBar|RightArrowLeftArrow|NotGreaterFullEqual|NotRightTriangleBar|SquareSupersetEqual|DownLeftRightVector|DoubleLongLeftArrow|leftrightsquigarrow|LeftArrowRightArrow|NegativeMediumSpace|blacktriangleright|RightDownVectorBar|PrecedesSlantEqual|RightDoubleBracket|SucceedsSlantEqual|NotLeftTriangleBar|RightTriangleEqual|SquareIntersection|RightDownTeeVector|ReverseEquilibrium|NegativeThickSpace|longleftrightarrow|Longleftrightarrow|LongLeftRightArrow|DownRightTeeVector|DownRightVectorBar|GreaterSlantEqual|SquareSubsetEqual|LeftDownVectorBar|LeftDoubleBracket|VerticalSeparator|rightleftharpoons|NotGreaterGreater|NotSquareSuperset|blacktriangleleft|blacktriangledown|NegativeThinSpace|LeftDownTeeVector|NotLessSlantEqual|leftrightharpoons|DoubleUpDownArrow|DoubleVerticalBar|LeftTriangleEqual|FilledSmallSquare|twoheadrightarrow|NotNestedLessLess|DownLeftTeeVector|DownLeftVectorBar|RightAngleBracket|NotTildeFullEqual|NotReverseElement|RightUpDownVector|DiacriticalTilde|NotSucceedsTilde|circlearrowright|NotPrecedesEqual|rightharpoondown|DoubleRightArrow|NotSucceedsEqual|NonBreakingSpace|NotRightTriangle|LessEqualGreater|RightUpTeeVector|LeftAngleBracket|GreaterFullEqual|DownArrowUpArrow|RightUpVectorBar|twoheadleftarrow|GreaterEqualLess|downharpoonright|RightTriangleBar|ntrianglerighteq|NotSupersetEqual|LeftUpDownVector|DiacriticalAcute|rightrightarrows|vartriangleright|UpArrowDownArrow|DiacriticalGrave|UnderParenthesis|EmptySmallSquare|LeftUpVectorBar|leftrightarrows|DownRightVector|downharpoonleft|trianglerighteq|ShortRightArrow|OverParenthesis|DoubleLeftArrow|DoubleDownArrow|NotSquareSubset|bigtriangledown|ntrianglelefteq|UpperRightArrow|curvearrowright|vartriangleleft|NotLeftTriangle|nleftrightarrow|LowerRightArrow|NotHumpDownHump|NotGreaterTilde|rightthreetimes|LeftUpTeeVector|NotGreaterEqual|straightepsilon|LeftTriangleBar|rightsquigarrow|ContourIntegral|rightleftarrows|CloseCurlyQuote|RightDownVector|LeftRightVector|nLeftrightarrow|leftharpoondown|circlearrowleft|SquareSuperset|OpenCurlyQuote|hookrightarrow|HorizontalLine|DiacriticalDot|NotLessGreater|ntriangleright|DoubleRightTee|InvisibleComma|InvisibleTimes|LowerLeftArrow|DownLeftVector|NotSubsetEqual|curvearrowleft|trianglelefteq|NotVerticalBar|TildeFullEqual|downdownarrows|NotGreaterLess|RightTeeVector|ZeroWidthSpace|looparrowright|LongRightArrow|doublebarwedge|ShortLeftArrow|ShortDownArrow|RightVectorBar|GreaterGreater|ReverseElement|rightharpoonup|LessSlantEqual|leftthreetimes|upharpoonright|rightarrowtail|LeftDownVector|Longrightarrow|NestedLessLess|UpperLeftArrow|nshortparallel|leftleftarrows|leftrightarrow|Leftrightarrow|LeftRightArrow|longrightarrow|upharpoonleft|RightArrowBar|ApplyFunction|LeftTeeVector|leftarrowtail|NotEqualTilde|varsubsetneqq|varsupsetneqq|RightTeeArrow|SucceedsEqual|SucceedsTilde|LeftVectorBar|SupersetEqual|hookleftarrow|DifferentialD|VerticalTilde|VeryThinSpace|blacktriangle|bigtriangleup|LessFullEqual|divideontimes|leftharpoonup|UpEquilibrium|ntriangleleft|RightTriangle|measuredangle|shortparallel|longleftarrow|Longleftarrow|LongLeftArrow|DoubleLeftTee|Poincareplane|PrecedesEqual|triangleright|DoubleUpArrow|RightUpVector|fallingdotseq|looparrowleft|PrecedesTilde|NotTildeEqual|NotTildeTilde|smallsetminus|Proportional|triangleleft|triangledown|UnderBracket|NotHumpEqual|exponentiale|ExponentialE|NotLessTilde|HilbertSpace|RightCeiling|blacklozenge|varsupsetneq|HumpDownHump|GreaterEqual|VerticalLine|LeftTeeArrow|NotLessEqual|DownTeeArrow|LeftTriangle|varsubsetneq|Intersection|NotCongruent|DownArrowBar|LeftUpVector|LeftArrowBar|risingdotseq|GreaterTilde|RoundImplies|SquareSubset|ShortUpArrow|NotSuperset|quaternions|precnapprox|backepsilon|preccurlyeq|OverBracket|blacksquare|MediumSpace|VerticalBar|circledcirc|circleddash|CircleMinus|CircleTimes|LessGreater|curlyeqprec|curlyeqsucc|diamondsuit|UpDownArrow|Updownarrow|RuleDelayed|Rrightarrow|updownarrow|RightVector|nRightarrow|nrightarrow|eqslantless|LeftCeiling|Equilibrium|SmallCircle|expectation|NotSucceeds|thickapprox|GreaterLess|SquareUnion|NotPrecedes|NotLessLess|straightphi|succnapprox|succcurlyeq|SubsetEqual|sqsupseteq|Proportion|Laplacetrf|ImaginaryI|supsetneqq|NotGreater|gtreqqless|NotElement|ThickSpace|TildeEqual|TildeTilde|Fouriertrf|rmoustache|EqualTilde|eqslantgtr|UnderBrace|LeftVector|UpArrowBar|nLeftarrow|nsubseteqq|subsetneqq|nsupseteqq|nleftarrow|succapprox|lessapprox|UpTeeArrow|upuparrows|curlywedge|lesseqqgtr|varepsilon|varnothing|RightFloor|c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|Fscr|gdot|gsim|Gscr|gscr|Gopf|gopf|gneq|Gdot|tosa|gnap|Topf|topf|geqq|toea|GJcy|gjcy|tint|gesl|mid|Sfr|ggg|top|ges|gla|glE|glj|geq|gne|gEl|gel|gnE|Gcy|gcy|gap|Tfr|tfr|Tcy|tcy|Hat|Tau|Ffr|tau|Tab|hfr|Hfr|ffr|Fcy|fcy|icy|Icy|iff|ETH|eth|ifr|Ifr|Eta|eta|int|Int|Sup|sup|ucy|Ucy|Sum|sum|jcy|ENG|ufr|Ufr|eng|Jcy|jfr|els|ell|egs|Efr|efr|Jfr|uml|kcy|Kcy|Ecy|ecy|kfr|Kfr|lap|Sub|sub|lat|lcy|Lcy|leg|Dot|dot|lEg|leq|les|squ|div|die|lfr|Lfr|lgE|Dfr|dfr|Del|deg|Dcy|dcy|lne|lnE|sol|loz|smt|Cup|lrm|cup|lsh|Lsh|sim|shy|map|Map|mcy|Mcy|mfr|Mfr|mho|gfr|Gfr|sfr|cir|Chi|chi|nap|Cfr|vcy|Vcy|cfr|Scy|scy|ncy|Ncy|vee|Vee|Cap|cap|nfr|scE|sce|Nfr|nge|ngE|nGg|vfr|Vfr|ngt|bot|nGt|nis|niv|Rsh|rsh|nle|nlE|bne|Bfr|bfr|nLl|nlt|nLt|Bcy|bcy|not|Not|rlm|wfr|Wfr|npr|nsc|num|ocy|ast|Ocy|ofr|xfr|Xfr|Ofr|ogt|ohm|apE|olt|Rho|ape|rho|Rfr|rfr|ord|REG|ang|reg|orv|And|and|AMP|Rcy|amp|Afr|ycy|Ycy|yen|yfr|Yfr|rcy|par|pcy|Pcy|pfr|Pfr|phi|Phi|afr|Acy|acy|zcy|Zcy|piv|acE|acd|zfr|Zfr|pre|prE|psi|Psi|qfr|Qfr|zwj|Or|ge|Gg|gt|gg|el|oS|lt|Lt|LT|Re|lg|gl|eg|ne|Im|it|le|DD|wp|wr|nu|Nu|dd|lE|Sc|sc|pi|Pi|ee|af|ll|Ll|rx|gE|xi|pm|Xi|ic|pr|Pr|in|ni|mp|mu|ac|Mu|or|ap|Gt|GT|ii);|&(Aacute|Agrave|Atilde|Ccedil|Eacute|Egrave|Iacute|Igrave|Ntilde|Oacute|Ograve|Oslash|Otilde|Uacute|Ugrave|Yacute|aacute|agrave|atilde|brvbar|ccedil|curren|divide|eacute|egrave|frac12|frac14|frac34|iacute|igrave|iquest|middot|ntilde|oacute|ograve|oslash|otilde|plusmn|uacute|ugrave|yacute|AElig|Acirc|Aring|Ecirc|Icirc|Ocirc|THORN|Ucirc|acirc|acute|aelig|aring|cedil|ecirc|icirc|iexcl|laquo|micro|ocirc|pound|raquo|szlig|thorn|times|ucirc|Auml|COPY|Euml|Iuml|Ouml|QUOT|Uuml|auml|cent|copy|euml|iuml|macr|nbsp|ordf|ordm|ouml|para|quot|sect|sup1|sup2|sup3|uuml|yuml|AMP|ETH|REG|amp|deg|eth|not|reg|shy|uml|yen|GT|LT|gt|lt)(?!;)([=a-zA-Z0-9]?)|&#([0-9]+)(;?)|&#[xX]([a-fA-F0-9]+)(;?)|&([0-9a-zA-Z]+)/g;
+ var decodeMap = {'aacute':'\xE1','Aacute':'\xC1','abreve':'\u0103','Abreve':'\u0102','ac':'\u223E','acd':'\u223F','acE':'\u223E\u0333','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','acy':'\u0430','Acy':'\u0410','aelig':'\xE6','AElig':'\xC6','af':'\u2061','afr':'\uD835\uDD1E','Afr':'\uD835\uDD04','agrave':'\xE0','Agrave':'\xC0','alefsym':'\u2135','aleph':'\u2135','alpha':'\u03B1','Alpha':'\u0391','amacr':'\u0101','Amacr':'\u0100','amalg':'\u2A3F','amp':'&','AMP':'&','and':'\u2227','And':'\u2A53','andand':'\u2A55','andd':'\u2A5C','andslope':'\u2A58','andv':'\u2A5A','ang':'\u2220','ange':'\u29A4','angle':'\u2220','angmsd':'\u2221','angmsdaa':'\u29A8','angmsdab':'\u29A9','angmsdac':'\u29AA','angmsdad':'\u29AB','angmsdae':'\u29AC','angmsdaf':'\u29AD','angmsdag':'\u29AE','angmsdah':'\u29AF','angrt':'\u221F','angrtvb':'\u22BE','angrtvbd':'\u299D','angsph':'\u2222','angst':'\xC5','angzarr':'\u237C','aogon':'\u0105','Aogon':'\u0104','aopf':'\uD835\uDD52','Aopf':'\uD835\uDD38','ap':'\u2248','apacir':'\u2A6F','ape':'\u224A','apE':'\u2A70','apid':'\u224B','apos':'\'','ApplyFunction':'\u2061','approx':'\u2248','approxeq':'\u224A','aring':'\xE5','Aring':'\xC5','ascr':'\uD835\uDCB6','Ascr':'\uD835\uDC9C','Assign':'\u2254','ast':'*','asymp':'\u2248','asympeq':'\u224D','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','awconint':'\u2233','awint':'\u2A11','backcong':'\u224C','backepsilon':'\u03F6','backprime':'\u2035','backsim':'\u223D','backsimeq':'\u22CD','Backslash':'\u2216','Barv':'\u2AE7','barvee':'\u22BD','barwed':'\u2305','Barwed':'\u2306','barwedge':'\u2305','bbrk':'\u23B5','bbrktbrk':'\u23B6','bcong':'\u224C','bcy':'\u0431','Bcy':'\u0411','bdquo':'\u201E','becaus':'\u2235','because':'\u2235','Because':'\u2235','bemptyv':'\u29B0','bepsi':'\u03F6','bernou':'\u212C','Bernoullis':'\u212C','beta':'\u03B2','Beta':'\u0392','beth':'\u2136','between':'\u226C','bfr':'\uD835\uDD1F','Bfr':'\uD835\uDD05','bigcap':'\u22C2','bigcirc':'\u25EF','bigcup':'\u22C3','bigodot':'\u2A00','bigoplus':'\u2A01','bigotimes':'\u2A02','bigsqcup':'\u2A06','bigstar':'\u2605','bigtriangledown':'\u25BD','bigtriangleup':'\u25B3','biguplus':'\u2A04','bigvee':'\u22C1','bigwedge':'\u22C0','bkarow':'\u290D','blacklozenge':'\u29EB','blacksquare':'\u25AA','blacktriangle':'\u25B4','blacktriangledown':'\u25BE','blacktriangleleft':'\u25C2','blacktriangleright':'\u25B8','blank':'\u2423','blk12':'\u2592','blk14':'\u2591','blk34':'\u2593','block':'\u2588','bne':'=\u20E5','bnequiv':'\u2261\u20E5','bnot':'\u2310','bNot':'\u2AED','bopf':'\uD835\uDD53','Bopf':'\uD835\uDD39','bot':'\u22A5','bottom':'\u22A5','bowtie':'\u22C8','boxbox':'\u29C9','boxdl':'\u2510','boxdL':'\u2555','boxDl':'\u2556','boxDL':'\u2557','boxdr':'\u250C','boxdR':'\u2552','boxDr':'\u2553','boxDR':'\u2554','boxh':'\u2500','boxH':'\u2550','boxhd':'\u252C','boxhD':'\u2565','boxHd':'\u2564','boxHD':'\u2566','boxhu':'\u2534','boxhU':'\u2568','boxHu':'\u2567','boxHU':'\u2569','boxminus':'\u229F','boxplus':'\u229E','boxtimes':'\u22A0','boxul':'\u2518','boxuL':'\u255B','boxUl':'\u255C','boxUL':'\u255D','boxur':'\u2514','boxuR':'\u2558','boxUr':'\u2559','boxUR':'\u255A','boxv':'\u2502','boxV':'\u2551','boxvh':'\u253C','boxvH':'\u256A','boxVh':'\u256B','boxVH':'\u256C','boxvl':'\u2524','boxvL':'\u2561','boxVl':'\u2562','boxVL':'\u2563','boxvr':'\u251C','boxvR':'\u255E','boxVr':'\u255F','boxVR':'\u2560','bprime':'\u2035','breve':'\u02D8','Breve':'\u02D8','brvbar':'\xA6','bscr':'\uD835\uDCB7','Bscr':'\u212C','bsemi':'\u204F','bsim':'\u223D','bsime':'\u22CD','bsol':'\\','bsolb':'\u29C5','bsolhsub':'\u27C8','bull':'\u2022','bullet':'\u2022','bump':'\u224E','bumpe':'\u224F','bumpE':'\u2AAE','bumpeq':'\u224F','Bumpeq':'\u224E','cacute':'\u0107','Cacute':'\u0106','cap':'\u2229','Cap':'\u22D2','capand':'\u2A44','capbrcup':'\u2A49','capcap':'\u2A4B','capcup':'\u2A47','capdot':'\u2A40','CapitalDifferentialD':'\u2145','caps':'\u2229\uFE00','caret':'\u2041','caron':'\u02C7','Cayleys':'\u212D','ccaps':'\u2A4D','ccaron':'\u010D','Ccaron':'\u010C','ccedil':'\xE7','Ccedil':'\xC7','ccirc':'\u0109','Ccirc':'\u0108','Cconint':'\u2230','ccups':'\u2A4C','ccupssm':'\u2A50','cdot':'\u010B','Cdot':'\u010A','cedil':'\xB8','Cedilla':'\xB8','cemptyv':'\u29B2','cent':'\xA2','centerdot':'\xB7','CenterDot':'\xB7','cfr':'\uD835\uDD20','Cfr':'\u212D','chcy':'\u0447','CHcy':'\u0427','check':'\u2713','checkmark':'\u2713','chi':'\u03C7','Chi':'\u03A7','cir':'\u25CB','circ':'\u02C6','circeq':'\u2257','circlearrowleft':'\u21BA','circlearrowright':'\u21BB','circledast':'\u229B','circledcirc':'\u229A','circleddash':'\u229D','CircleDot':'\u2299','circledR':'\xAE','circledS':'\u24C8','CircleMinus':'\u2296','CirclePlus':'\u2295','CircleTimes':'\u2297','cire':'\u2257','cirE':'\u29C3','cirfnint':'\u2A10','cirmid':'\u2AEF','cirscir':'\u29C2','ClockwiseContourIntegral':'\u2232','CloseCurlyDoubleQuote':'\u201D','CloseCurlyQuote':'\u2019','clubs':'\u2663','clubsuit':'\u2663','colon':':','Colon':'\u2237','colone':'\u2254','Colone':'\u2A74','coloneq':'\u2254','comma':',','commat':'@','comp':'\u2201','compfn':'\u2218','complement':'\u2201','complexes':'\u2102','cong':'\u2245','congdot':'\u2A6D','Congruent':'\u2261','conint':'\u222E','Conint':'\u222F','ContourIntegral':'\u222E','copf':'\uD835\uDD54','Copf':'\u2102','coprod':'\u2210','Coproduct':'\u2210','copy':'\xA9','COPY':'\xA9','copysr':'\u2117','CounterClockwiseContourIntegral':'\u2233','crarr':'\u21B5','cross':'\u2717','Cross':'\u2A2F','cscr':'\uD835\uDCB8','Cscr':'\uD835\uDC9E','csub':'\u2ACF','csube':'\u2AD1','csup':'\u2AD0','csupe':'\u2AD2','ctdot':'\u22EF','cudarrl':'\u2938','cudarrr':'\u2935','cuepr':'\u22DE','cuesc':'\u22DF','cularr':'\u21B6','cularrp':'\u293D','cup':'\u222A','Cup':'\u22D3','cupbrcap':'\u2A48','cupcap':'\u2A46','CupCap':'\u224D','cupcup':'\u2A4A','cupdot':'\u228D','cupor':'\u2A45','cups':'\u222A\uFE00','curarr':'\u21B7','curarrm':'\u293C','curlyeqprec':'\u22DE','curlyeqsucc':'\u22DF','curlyvee':'\u22CE','curlywedge':'\u22CF','curren':'\xA4','curvearrowleft':'\u21B6','curvearrowright':'\u21B7','cuvee':'\u22CE','cuwed':'\u22CF','cwconint':'\u2232','cwint':'\u2231','cylcty':'\u232D','dagger':'\u2020','Dagger':'\u2021','daleth':'\u2138','darr':'\u2193','dArr':'\u21D3','Darr':'\u21A1','dash':'\u2010','dashv':'\u22A3','Dashv':'\u2AE4','dbkarow':'\u290F','dblac':'\u02DD','dcaron':'\u010F','Dcaron':'\u010E','dcy':'\u0434','Dcy':'\u0414','dd':'\u2146','DD':'\u2145','ddagger':'\u2021','ddarr':'\u21CA','DDotrahd':'\u2911','ddotseq':'\u2A77','deg':'\xB0','Del':'\u2207','delta':'\u03B4','Delta':'\u0394','demptyv':'\u29B1','dfisht':'\u297F','dfr':'\uD835\uDD21','Dfr':'\uD835\uDD07','dHar':'\u2965','dharl':'\u21C3','dharr':'\u21C2','DiacriticalAcute':'\xB4','DiacriticalDot':'\u02D9','DiacriticalDoubleAcute':'\u02DD','DiacriticalGrave':'`','DiacriticalTilde':'\u02DC','diam':'\u22C4','diamond':'\u22C4','Diamond':'\u22C4','diamondsuit':'\u2666','diams':'\u2666','die':'\xA8','DifferentialD':'\u2146','digamma':'\u03DD','disin':'\u22F2','div':'\xF7','divide':'\xF7','divideontimes':'\u22C7','divonx':'\u22C7','djcy':'\u0452','DJcy':'\u0402','dlcorn':'\u231E','dlcrop':'\u230D','dollar':'$','dopf':'\uD835\uDD55','Dopf':'\uD835\uDD3B','dot':'\u02D9','Dot':'\xA8','DotDot':'\u20DC','doteq':'\u2250','doteqdot':'\u2251','DotEqual':'\u2250','dotminus':'\u2238','dotplus':'\u2214','dotsquare':'\u22A1','doublebarwedge':'\u2306','DoubleContourIntegral':'\u222F','DoubleDot':'\xA8','DoubleDownArrow':'\u21D3','DoubleLeftArrow':'\u21D0','DoubleLeftRightArrow':'\u21D4','DoubleLeftTee':'\u2AE4','DoubleLongLeftArrow':'\u27F8','DoubleLongLeftRightArrow':'\u27FA','DoubleLongRightArrow':'\u27F9','DoubleRightArrow':'\u21D2','DoubleRightTee':'\u22A8','DoubleUpArrow':'\u21D1','DoubleUpDownArrow':'\u21D5','DoubleVerticalBar':'\u2225','downarrow':'\u2193','Downarrow':'\u21D3','DownArrow':'\u2193','DownArrowBar':'\u2913','DownArrowUpArrow':'\u21F5','DownBreve':'\u0311','downdownarrows':'\u21CA','downharpoonleft':'\u21C3','downharpoonright':'\u21C2','DownLeftRightVector':'\u2950','DownLeftTeeVector':'\u295E','DownLeftVector':'\u21BD','DownLeftVectorBar':'\u2956','DownRightTeeVector':'\u295F','DownRightVector':'\u21C1','DownRightVectorBar':'\u2957','DownTee':'\u22A4','DownTeeArrow':'\u21A7','drbkarow':'\u2910','drcorn':'\u231F','drcrop':'\u230C','dscr':'\uD835\uDCB9','Dscr':'\uD835\uDC9F','dscy':'\u0455','DScy':'\u0405','dsol':'\u29F6','dstrok':'\u0111','Dstrok':'\u0110','dtdot':'\u22F1','dtri':'\u25BF','dtrif':'\u25BE','duarr':'\u21F5','duhar':'\u296F','dwangle':'\u29A6','dzcy':'\u045F','DZcy':'\u040F','dzigrarr':'\u27FF','eacute':'\xE9','Eacute':'\xC9','easter':'\u2A6E','ecaron':'\u011B','Ecaron':'\u011A','ecir':'\u2256','ecirc':'\xEA','Ecirc':'\xCA','ecolon':'\u2255','ecy':'\u044D','Ecy':'\u042D','eDDot':'\u2A77','edot':'\u0117','eDot':'\u2251','Edot':'\u0116','ee':'\u2147','efDot':'\u2252','efr':'\uD835\uDD22','Efr':'\uD835\uDD08','eg':'\u2A9A','egrave':'\xE8','Egrave':'\xC8','egs':'\u2A96','egsdot':'\u2A98','el':'\u2A99','Element':'\u2208','elinters':'\u23E7','ell':'\u2113','els':'\u2A95','elsdot':'\u2A97','emacr':'\u0113','Emacr':'\u0112','empty':'\u2205','emptyset':'\u2205','EmptySmallSquare':'\u25FB','emptyv':'\u2205','EmptyVerySmallSquare':'\u25AB','emsp':'\u2003','emsp13':'\u2004','emsp14':'\u2005','eng':'\u014B','ENG':'\u014A','ensp':'\u2002','eogon':'\u0119','Eogon':'\u0118','eopf':'\uD835\uDD56','Eopf':'\uD835\uDD3C','epar':'\u22D5','eparsl':'\u29E3','eplus':'\u2A71','epsi':'\u03B5','epsilon':'\u03B5','Epsilon':'\u0395','epsiv':'\u03F5','eqcirc':'\u2256','eqcolon':'\u2255','eqsim':'\u2242','eqslantgtr':'\u2A96','eqslantless':'\u2A95','Equal':'\u2A75','equals':'=','EqualTilde':'\u2242','equest':'\u225F','Equilibrium':'\u21CC','equiv':'\u2261','equivDD':'\u2A78','eqvparsl':'\u29E5','erarr':'\u2971','erDot':'\u2253','escr':'\u212F','Escr':'\u2130','esdot':'\u2250','esim':'\u2242','Esim':'\u2A73','eta':'\u03B7','Eta':'\u0397','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','euro':'\u20AC','excl':'!','exist':'\u2203','Exists':'\u2203','expectation':'\u2130','exponentiale':'\u2147','ExponentialE':'\u2147','fallingdotseq':'\u2252','fcy':'\u0444','Fcy':'\u0424','female':'\u2640','ffilig':'\uFB03','fflig':'\uFB00','ffllig':'\uFB04','ffr':'\uD835\uDD23','Ffr':'\uD835\uDD09','filig':'\uFB01','FilledSmallSquare':'\u25FC','FilledVerySmallSquare':'\u25AA','fjlig':'fj','flat':'\u266D','fllig':'\uFB02','fltns':'\u25B1','fnof':'\u0192','fopf':'\uD835\uDD57','Fopf':'\uD835\uDD3D','forall':'\u2200','ForAll':'\u2200','fork':'\u22D4','forkv':'\u2AD9','Fouriertrf':'\u2131','fpartint':'\u2A0D','frac12':'\xBD','frac13':'\u2153','frac14':'\xBC','frac15':'\u2155','frac16':'\u2159','frac18':'\u215B','frac23':'\u2154','frac25':'\u2156','frac34':'\xBE','frac35':'\u2157','frac38':'\u215C','frac45':'\u2158','frac56':'\u215A','frac58':'\u215D','frac78':'\u215E','frasl':'\u2044','frown':'\u2322','fscr':'\uD835\uDCBB','Fscr':'\u2131','gacute':'\u01F5','gamma':'\u03B3','Gamma':'\u0393','gammad':'\u03DD','Gammad':'\u03DC','gap':'\u2A86','gbreve':'\u011F','Gbreve':'\u011E','Gcedil':'\u0122','gcirc':'\u011D','Gcirc':'\u011C','gcy':'\u0433','Gcy':'\u0413','gdot':'\u0121','Gdot':'\u0120','ge':'\u2265','gE':'\u2267','gel':'\u22DB','gEl':'\u2A8C','geq':'\u2265','geqq':'\u2267','geqslant':'\u2A7E','ges':'\u2A7E','gescc':'\u2AA9','gesdot':'\u2A80','gesdoto':'\u2A82','gesdotol':'\u2A84','gesl':'\u22DB\uFE00','gesles':'\u2A94','gfr':'\uD835\uDD24','Gfr':'\uD835\uDD0A','gg':'\u226B','Gg':'\u22D9','ggg':'\u22D9','gimel':'\u2137','gjcy':'\u0453','GJcy':'\u0403','gl':'\u2277','gla':'\u2AA5','glE':'\u2A92','glj':'\u2AA4','gnap':'\u2A8A','gnapprox':'\u2A8A','gne':'\u2A88','gnE':'\u2269','gneq':'\u2A88','gneqq':'\u2269','gnsim':'\u22E7','gopf':'\uD835\uDD58','Gopf':'\uD835\uDD3E','grave':'`','GreaterEqual':'\u2265','GreaterEqualLess':'\u22DB','GreaterFullEqual':'\u2267','GreaterGreater':'\u2AA2','GreaterLess':'\u2277','GreaterSlantEqual':'\u2A7E','GreaterTilde':'\u2273','gscr':'\u210A','Gscr':'\uD835\uDCA2','gsim':'\u2273','gsime':'\u2A8E','gsiml':'\u2A90','gt':'>','Gt':'\u226B','GT':'>','gtcc':'\u2AA7','gtcir':'\u2A7A','gtdot':'\u22D7','gtlPar':'\u2995','gtquest':'\u2A7C','gtrapprox':'\u2A86','gtrarr':'\u2978','gtrdot':'\u22D7','gtreqless':'\u22DB','gtreqqless':'\u2A8C','gtrless':'\u2277','gtrsim':'\u2273','gvertneqq':'\u2269\uFE00','gvnE':'\u2269\uFE00','Hacek':'\u02C7','hairsp':'\u200A','half':'\xBD','hamilt':'\u210B','hardcy':'\u044A','HARDcy':'\u042A','harr':'\u2194','hArr':'\u21D4','harrcir':'\u2948','harrw':'\u21AD','Hat':'^','hbar':'\u210F','hcirc':'\u0125','Hcirc':'\u0124','hearts':'\u2665','heartsuit':'\u2665','hellip':'\u2026','hercon':'\u22B9','hfr':'\uD835\uDD25','Hfr':'\u210C','HilbertSpace':'\u210B','hksearow':'\u2925','hkswarow':'\u2926','hoarr':'\u21FF','homtht':'\u223B','hookleftarrow':'\u21A9','hookrightarrow':'\u21AA','hopf':'\uD835\uDD59','Hopf':'\u210D','horbar':'\u2015','HorizontalLine':'\u2500','hscr':'\uD835\uDCBD','Hscr':'\u210B','hslash':'\u210F','hstrok':'\u0127','Hstrok':'\u0126','HumpDownHump':'\u224E','HumpEqual':'\u224F','hybull':'\u2043','hyphen':'\u2010','iacute':'\xED','Iacute':'\xCD','ic':'\u2063','icirc':'\xEE','Icirc':'\xCE','icy':'\u0438','Icy':'\u0418','Idot':'\u0130','iecy':'\u0435','IEcy':'\u0415','iexcl':'\xA1','iff':'\u21D4','ifr':'\uD835\uDD26','Ifr':'\u2111','igrave':'\xEC','Igrave':'\xCC','ii':'\u2148','iiiint':'\u2A0C','iiint':'\u222D','iinfin':'\u29DC','iiota':'\u2129','ijlig':'\u0133','IJlig':'\u0132','Im':'\u2111','imacr':'\u012B','Imacr':'\u012A','image':'\u2111','ImaginaryI':'\u2148','imagline':'\u2110','imagpart':'\u2111','imath':'\u0131','imof':'\u22B7','imped':'\u01B5','Implies':'\u21D2','in':'\u2208','incare':'\u2105','infin':'\u221E','infintie':'\u29DD','inodot':'\u0131','int':'\u222B','Int':'\u222C','intcal':'\u22BA','integers':'\u2124','Integral':'\u222B','intercal':'\u22BA','Intersection':'\u22C2','intlarhk':'\u2A17','intprod':'\u2A3C','InvisibleComma':'\u2063','InvisibleTimes':'\u2062','iocy':'\u0451','IOcy':'\u0401','iogon':'\u012F','Iogon':'\u012E','iopf':'\uD835\uDD5A','Iopf':'\uD835\uDD40','iota':'\u03B9','Iota':'\u0399','iprod':'\u2A3C','iquest':'\xBF','iscr':'\uD835\uDCBE','Iscr':'\u2110','isin':'\u2208','isindot':'\u22F5','isinE':'\u22F9','isins':'\u22F4','isinsv':'\u22F3','isinv':'\u2208','it':'\u2062','itilde':'\u0129','Itilde':'\u0128','iukcy':'\u0456','Iukcy':'\u0406','iuml':'\xEF','Iuml':'\xCF','jcirc':'\u0135','Jcirc':'\u0134','jcy':'\u0439','Jcy':'\u0419','jfr':'\uD835\uDD27','Jfr':'\uD835\uDD0D','jmath':'\u0237','jopf':'\uD835\uDD5B','Jopf':'\uD835\uDD41','jscr':'\uD835\uDCBF','Jscr':'\uD835\uDCA5','jsercy':'\u0458','Jsercy':'\u0408','jukcy':'\u0454','Jukcy':'\u0404','kappa':'\u03BA','Kappa':'\u039A','kappav':'\u03F0','kcedil':'\u0137','Kcedil':'\u0136','kcy':'\u043A','Kcy':'\u041A','kfr':'\uD835\uDD28','Kfr':'\uD835\uDD0E','kgreen':'\u0138','khcy':'\u0445','KHcy':'\u0425','kjcy':'\u045C','KJcy':'\u040C','kopf':'\uD835\uDD5C','Kopf':'\uD835\uDD42','kscr':'\uD835\uDCC0','Kscr':'\uD835\uDCA6','lAarr':'\u21DA','lacute':'\u013A','Lacute':'\u0139','laemptyv':'\u29B4','lagran':'\u2112','lambda':'\u03BB','Lambda':'\u039B','lang':'\u27E8','Lang':'\u27EA','langd':'\u2991','langle':'\u27E8','lap':'\u2A85','Laplacetrf':'\u2112','laquo':'\xAB','larr':'\u2190','lArr':'\u21D0','Larr':'\u219E','larrb':'\u21E4','larrbfs':'\u291F','larrfs':'\u291D','larrhk':'\u21A9','larrlp':'\u21AB','larrpl':'\u2939','larrsim':'\u2973','larrtl':'\u21A2','lat':'\u2AAB','latail':'\u2919','lAtail':'\u291B','late':'\u2AAD','lates':'\u2AAD\uFE00','lbarr':'\u290C','lBarr':'\u290E','lbbrk':'\u2772','lbrace':'{','lbrack':'[','lbrke':'\u298B','lbrksld':'\u298F','lbrkslu':'\u298D','lcaron':'\u013E','Lcaron':'\u013D','lcedil':'\u013C','Lcedil':'\u013B','lceil':'\u2308','lcub':'{','lcy':'\u043B','Lcy':'\u041B','ldca':'\u2936','ldquo':'\u201C','ldquor':'\u201E','ldrdhar':'\u2967','ldrushar':'\u294B','ldsh':'\u21B2','le':'\u2264','lE':'\u2266','LeftAngleBracket':'\u27E8','leftarrow':'\u2190','Leftarrow':'\u21D0','LeftArrow':'\u2190','LeftArrowBar':'\u21E4','LeftArrowRightArrow':'\u21C6','leftarrowtail':'\u21A2','LeftCeiling':'\u2308','LeftDoubleBracket':'\u27E6','LeftDownTeeVector':'\u2961','LeftDownVector':'\u21C3','LeftDownVectorBar':'\u2959','LeftFloor':'\u230A','leftharpoondown':'\u21BD','leftharpoonup':'\u21BC','leftleftarrows':'\u21C7','leftrightarrow':'\u2194','Leftrightarrow':'\u21D4','LeftRightArrow':'\u2194','leftrightarrows':'\u21C6','leftrightharpoons':'\u21CB','leftrightsquigarrow':'\u21AD','LeftRightVector':'\u294E','LeftTee':'\u22A3','LeftTeeArrow':'\u21A4','LeftTeeVector':'\u295A','leftthreetimes':'\u22CB','LeftTriangle':'\u22B2','LeftTriangleBar':'\u29CF','LeftTriangleEqual':'\u22B4','LeftUpDownVector':'\u2951','LeftUpTeeVector':'\u2960','LeftUpVector':'\u21BF','LeftUpVectorBar':'\u2958','LeftVector':'\u21BC','LeftVectorBar':'\u2952','leg':'\u22DA','lEg':'\u2A8B','leq':'\u2264','leqq':'\u2266','leqslant':'\u2A7D','les':'\u2A7D','lescc':'\u2AA8','lesdot':'\u2A7F','lesdoto':'\u2A81','lesdotor':'\u2A83','lesg':'\u22DA\uFE00','lesges':'\u2A93','lessapprox':'\u2A85','lessdot':'\u22D6','lesseqgtr':'\u22DA','lesseqqgtr':'\u2A8B','LessEqualGreater':'\u22DA','LessFullEqual':'\u2266','LessGreater':'\u2276','lessgtr':'\u2276','LessLess':'\u2AA1','lesssim':'\u2272','LessSlantEqual':'\u2A7D','LessTilde':'\u2272','lfisht':'\u297C','lfloor':'\u230A','lfr':'\uD835\uDD29','Lfr':'\uD835\uDD0F','lg':'\u2276','lgE':'\u2A91','lHar':'\u2962','lhard':'\u21BD','lharu':'\u21BC','lharul':'\u296A','lhblk':'\u2584','ljcy':'\u0459','LJcy':'\u0409','ll':'\u226A','Ll':'\u22D8','llarr':'\u21C7','llcorner':'\u231E','Lleftarrow':'\u21DA','llhard':'\u296B','lltri':'\u25FA','lmidot':'\u0140','Lmidot':'\u013F','lmoust':'\u23B0','lmoustache':'\u23B0','lnap':'\u2A89','lnapprox':'\u2A89','lne':'\u2A87','lnE':'\u2268','lneq':'\u2A87','lneqq':'\u2268','lnsim':'\u22E6','loang':'\u27EC','loarr':'\u21FD','lobrk':'\u27E6','longleftarrow':'\u27F5','Longleftarrow':'\u27F8','LongLeftArrow':'\u27F5','longleftrightarrow':'\u27F7','Longleftrightarrow':'\u27FA','LongLeftRightArrow':'\u27F7','longmapsto':'\u27FC','longrightarrow':'\u27F6','Longrightarrow':'\u27F9','LongRightArrow':'\u27F6','looparrowleft':'\u21AB','looparrowright':'\u21AC','lopar':'\u2985','lopf':'\uD835\uDD5D','Lopf':'\uD835\uDD43','loplus':'\u2A2D','lotimes':'\u2A34','lowast':'\u2217','lowbar':'_','LowerLeftArrow':'\u2199','LowerRightArrow':'\u2198','loz':'\u25CA','lozenge':'\u25CA','lozf':'\u29EB','lpar':'(','lparlt':'\u2993','lrarr':'\u21C6','lrcorner':'\u231F','lrhar':'\u21CB','lrhard':'\u296D','lrm':'\u200E','lrtri':'\u22BF','lsaquo':'\u2039','lscr':'\uD835\uDCC1','Lscr':'\u2112','lsh':'\u21B0','Lsh':'\u21B0','lsim':'\u2272','lsime':'\u2A8D','lsimg':'\u2A8F','lsqb':'[','lsquo':'\u2018','lsquor':'\u201A','lstrok':'\u0142','Lstrok':'\u0141','lt':'<','Lt':'\u226A','LT':'<','ltcc':'\u2AA6','ltcir':'\u2A79','ltdot':'\u22D6','lthree':'\u22CB','ltimes':'\u22C9','ltlarr':'\u2976','ltquest':'\u2A7B','ltri':'\u25C3','ltrie':'\u22B4','ltrif':'\u25C2','ltrPar':'\u2996','lurdshar':'\u294A','luruhar':'\u2966','lvertneqq':'\u2268\uFE00','lvnE':'\u2268\uFE00','macr':'\xAF','male':'\u2642','malt':'\u2720','maltese':'\u2720','map':'\u21A6','Map':'\u2905','mapsto':'\u21A6','mapstodown':'\u21A7','mapstoleft':'\u21A4','mapstoup':'\u21A5','marker':'\u25AE','mcomma':'\u2A29','mcy':'\u043C','Mcy':'\u041C','mdash':'\u2014','mDDot':'\u223A','measuredangle':'\u2221','MediumSpace':'\u205F','Mellintrf':'\u2133','mfr':'\uD835\uDD2A','Mfr':'\uD835\uDD10','mho':'\u2127','micro':'\xB5','mid':'\u2223','midast':'*','midcir':'\u2AF0','middot':'\xB7','minus':'\u2212','minusb':'\u229F','minusd':'\u2238','minusdu':'\u2A2A','MinusPlus':'\u2213','mlcp':'\u2ADB','mldr':'\u2026','mnplus':'\u2213','models':'\u22A7','mopf':'\uD835\uDD5E','Mopf':'\uD835\uDD44','mp':'\u2213','mscr':'\uD835\uDCC2','Mscr':'\u2133','mstpos':'\u223E','mu':'\u03BC','Mu':'\u039C','multimap':'\u22B8','mumap':'\u22B8','nabla':'\u2207','nacute':'\u0144','Nacute':'\u0143','nang':'\u2220\u20D2','nap':'\u2249','napE':'\u2A70\u0338','napid':'\u224B\u0338','napos':'\u0149','napprox':'\u2249','natur':'\u266E','natural':'\u266E','naturals':'\u2115','nbsp':'\xA0','nbump':'\u224E\u0338','nbumpe':'\u224F\u0338','ncap':'\u2A43','ncaron':'\u0148','Ncaron':'\u0147','ncedil':'\u0146','Ncedil':'\u0145','ncong':'\u2247','ncongdot':'\u2A6D\u0338','ncup':'\u2A42','ncy':'\u043D','Ncy':'\u041D','ndash':'\u2013','ne':'\u2260','nearhk':'\u2924','nearr':'\u2197','neArr':'\u21D7','nearrow':'\u2197','nedot':'\u2250\u0338','NegativeMediumSpace':'\u200B','NegativeThickSpace':'\u200B','NegativeThinSpace':'\u200B','NegativeVeryThinSpace':'\u200B','nequiv':'\u2262','nesear':'\u2928','nesim':'\u2242\u0338','NestedGreaterGreater':'\u226B','NestedLessLess':'\u226A','NewLine':'\n','nexist':'\u2204','nexists':'\u2204','nfr':'\uD835\uDD2B','Nfr':'\uD835\uDD11','nge':'\u2271','ngE':'\u2267\u0338','ngeq':'\u2271','ngeqq':'\u2267\u0338','ngeqslant':'\u2A7E\u0338','nges':'\u2A7E\u0338','nGg':'\u22D9\u0338','ngsim':'\u2275','ngt':'\u226F','nGt':'\u226B\u20D2','ngtr':'\u226F','nGtv':'\u226B\u0338','nharr':'\u21AE','nhArr':'\u21CE','nhpar':'\u2AF2','ni':'\u220B','nis':'\u22FC','nisd':'\u22FA','niv':'\u220B','njcy':'\u045A','NJcy':'\u040A','nlarr':'\u219A','nlArr':'\u21CD','nldr':'\u2025','nle':'\u2270','nlE':'\u2266\u0338','nleftarrow':'\u219A','nLeftarrow':'\u21CD','nleftrightarrow':'\u21AE','nLeftrightarrow':'\u21CE','nleq':'\u2270','nleqq':'\u2266\u0338','nleqslant':'\u2A7D\u0338','nles':'\u2A7D\u0338','nless':'\u226E','nLl':'\u22D8\u0338','nlsim':'\u2274','nlt':'\u226E','nLt':'\u226A\u20D2','nltri':'\u22EA','nltrie':'\u22EC','nLtv':'\u226A\u0338','nmid':'\u2224','NoBreak':'\u2060','NonBreakingSpace':'\xA0','nopf':'\uD835\uDD5F','Nopf':'\u2115','not':'\xAC','Not':'\u2AEC','NotCongruent':'\u2262','NotCupCap':'\u226D','NotDoubleVerticalBar':'\u2226','NotElement':'\u2209','NotEqual':'\u2260','NotEqualTilde':'\u2242\u0338','NotExists':'\u2204','NotGreater':'\u226F','NotGreaterEqual':'\u2271','NotGreaterFullEqual':'\u2267\u0338','NotGreaterGreater':'\u226B\u0338','NotGreaterLess':'\u2279','NotGreaterSlantEqual':'\u2A7E\u0338','NotGreaterTilde':'\u2275','NotHumpDownHump':'\u224E\u0338','NotHumpEqual':'\u224F\u0338','notin':'\u2209','notindot':'\u22F5\u0338','notinE':'\u22F9\u0338','notinva':'\u2209','notinvb':'\u22F7','notinvc':'\u22F6','NotLeftTriangle':'\u22EA','NotLeftTriangleBar':'\u29CF\u0338','NotLeftTriangleEqual':'\u22EC','NotLess':'\u226E','NotLessEqual':'\u2270','NotLessGreater':'\u2278','NotLessLess':'\u226A\u0338','NotLessSlantEqual':'\u2A7D\u0338','NotLessTilde':'\u2274','NotNestedGreaterGreater':'\u2AA2\u0338','NotNestedLessLess':'\u2AA1\u0338','notni':'\u220C','notniva':'\u220C','notnivb':'\u22FE','notnivc':'\u22FD','NotPrecedes':'\u2280','NotPrecedesEqual':'\u2AAF\u0338','NotPrecedesSlantEqual':'\u22E0','NotReverseElement':'\u220C','NotRightTriangle':'\u22EB','NotRightTriangleBar':'\u29D0\u0338','NotRightTriangleEqual':'\u22ED','NotSquareSubset':'\u228F\u0338','NotSquareSubsetEqual':'\u22E2','NotSquareSuperset':'\u2290\u0338','NotSquareSupersetEqual':'\u22E3','NotSubset':'\u2282\u20D2','NotSubsetEqual':'\u2288','NotSucceeds':'\u2281','NotSucceedsEqual':'\u2AB0\u0338','NotSucceedsSlantEqual':'\u22E1','NotSucceedsTilde':'\u227F\u0338','NotSuperset':'\u2283\u20D2','NotSupersetEqual':'\u2289','NotTilde':'\u2241','NotTildeEqual':'\u2244','NotTildeFullEqual':'\u2247','NotTildeTilde':'\u2249','NotVerticalBar':'\u2224','npar':'\u2226','nparallel':'\u2226','nparsl':'\u2AFD\u20E5','npart':'\u2202\u0338','npolint':'\u2A14','npr':'\u2280','nprcue':'\u22E0','npre':'\u2AAF\u0338','nprec':'\u2280','npreceq':'\u2AAF\u0338','nrarr':'\u219B','nrArr':'\u21CF','nrarrc':'\u2933\u0338','nrarrw':'\u219D\u0338','nrightarrow':'\u219B','nRightarrow':'\u21CF','nrtri':'\u22EB','nrtrie':'\u22ED','nsc':'\u2281','nsccue':'\u22E1','nsce':'\u2AB0\u0338','nscr':'\uD835\uDCC3','Nscr':'\uD835\uDCA9','nshortmid':'\u2224','nshortparallel':'\u2226','nsim':'\u2241','nsime':'\u2244','nsimeq':'\u2244','nsmid':'\u2224','nspar':'\u2226','nsqsube':'\u22E2','nsqsupe':'\u22E3','nsub':'\u2284','nsube':'\u2288','nsubE':'\u2AC5\u0338','nsubset':'\u2282\u20D2','nsubseteq':'\u2288','nsubseteqq':'\u2AC5\u0338','nsucc':'\u2281','nsucceq':'\u2AB0\u0338','nsup':'\u2285','nsupe':'\u2289','nsupE':'\u2AC6\u0338','nsupset':'\u2283\u20D2','nsupseteq':'\u2289','nsupseteqq':'\u2AC6\u0338','ntgl':'\u2279','ntilde':'\xF1','Ntilde':'\xD1','ntlg':'\u2278','ntriangleleft':'\u22EA','ntrianglelefteq':'\u22EC','ntriangleright':'\u22EB','ntrianglerighteq':'\u22ED','nu':'\u03BD','Nu':'\u039D','num':'#','numero':'\u2116','numsp':'\u2007','nvap':'\u224D\u20D2','nvdash':'\u22AC','nvDash':'\u22AD','nVdash':'\u22AE','nVDash':'\u22AF','nvge':'\u2265\u20D2','nvgt':'>\u20D2','nvHarr':'\u2904','nvinfin':'\u29DE','nvlArr':'\u2902','nvle':'\u2264\u20D2','nvlt':'<\u20D2','nvltrie':'\u22B4\u20D2','nvrArr':'\u2903','nvrtrie':'\u22B5\u20D2','nvsim':'\u223C\u20D2','nwarhk':'\u2923','nwarr':'\u2196','nwArr':'\u21D6','nwarrow':'\u2196','nwnear':'\u2927','oacute':'\xF3','Oacute':'\xD3','oast':'\u229B','ocir':'\u229A','ocirc':'\xF4','Ocirc':'\xD4','ocy':'\u043E','Ocy':'\u041E','odash':'\u229D','odblac':'\u0151','Odblac':'\u0150','odiv':'\u2A38','odot':'\u2299','odsold':'\u29BC','oelig':'\u0153','OElig':'\u0152','ofcir':'\u29BF','ofr':'\uD835\uDD2C','Ofr':'\uD835\uDD12','ogon':'\u02DB','ograve':'\xF2','Ograve':'\xD2','ogt':'\u29C1','ohbar':'\u29B5','ohm':'\u03A9','oint':'\u222E','olarr':'\u21BA','olcir':'\u29BE','olcross':'\u29BB','oline':'\u203E','olt':'\u29C0','omacr':'\u014D','Omacr':'\u014C','omega':'\u03C9','Omega':'\u03A9','omicron':'\u03BF','Omicron':'\u039F','omid':'\u29B6','ominus':'\u2296','oopf':'\uD835\uDD60','Oopf':'\uD835\uDD46','opar':'\u29B7','OpenCurlyDoubleQuote':'\u201C','OpenCurlyQuote':'\u2018','operp':'\u29B9','oplus':'\u2295','or':'\u2228','Or':'\u2A54','orarr':'\u21BB','ord':'\u2A5D','order':'\u2134','orderof':'\u2134','ordf':'\xAA','ordm':'\xBA','origof':'\u22B6','oror':'\u2A56','orslope':'\u2A57','orv':'\u2A5B','oS':'\u24C8','oscr':'\u2134','Oscr':'\uD835\uDCAA','oslash':'\xF8','Oslash':'\xD8','osol':'\u2298','otilde':'\xF5','Otilde':'\xD5','otimes':'\u2297','Otimes':'\u2A37','otimesas':'\u2A36','ouml':'\xF6','Ouml':'\xD6','ovbar':'\u233D','OverBar':'\u203E','OverBrace':'\u23DE','OverBracket':'\u23B4','OverParenthesis':'\u23DC','par':'\u2225','para':'\xB6','parallel':'\u2225','parsim':'\u2AF3','parsl':'\u2AFD','part':'\u2202','PartialD':'\u2202','pcy':'\u043F','Pcy':'\u041F','percnt':'%','period':'.','permil':'\u2030','perp':'\u22A5','pertenk':'\u2031','pfr':'\uD835\uDD2D','Pfr':'\uD835\uDD13','phi':'\u03C6','Phi':'\u03A6','phiv':'\u03D5','phmmat':'\u2133','phone':'\u260E','pi':'\u03C0','Pi':'\u03A0','pitchfork':'\u22D4','piv':'\u03D6','planck':'\u210F','planckh':'\u210E','plankv':'\u210F','plus':'+','plusacir':'\u2A23','plusb':'\u229E','pluscir':'\u2A22','plusdo':'\u2214','plusdu':'\u2A25','pluse':'\u2A72','PlusMinus':'\xB1','plusmn':'\xB1','plussim':'\u2A26','plustwo':'\u2A27','pm':'\xB1','Poincareplane':'\u210C','pointint':'\u2A15','popf':'\uD835\uDD61','Popf':'\u2119','pound':'\xA3','pr':'\u227A','Pr':'\u2ABB','prap':'\u2AB7','prcue':'\u227C','pre':'\u2AAF','prE':'\u2AB3','prec':'\u227A','precapprox':'\u2AB7','preccurlyeq':'\u227C','Precedes':'\u227A','PrecedesEqual':'\u2AAF','PrecedesSlantEqual':'\u227C','PrecedesTilde':'\u227E','preceq':'\u2AAF','precnapprox':'\u2AB9','precneqq':'\u2AB5','precnsim':'\u22E8','precsim':'\u227E','prime':'\u2032','Prime':'\u2033','primes':'\u2119','prnap':'\u2AB9','prnE':'\u2AB5','prnsim':'\u22E8','prod':'\u220F','Product':'\u220F','profalar':'\u232E','profline':'\u2312','profsurf':'\u2313','prop':'\u221D','Proportion':'\u2237','Proportional':'\u221D','propto':'\u221D','prsim':'\u227E','prurel':'\u22B0','pscr':'\uD835\uDCC5','Pscr':'\uD835\uDCAB','psi':'\u03C8','Psi':'\u03A8','puncsp':'\u2008','qfr':'\uD835\uDD2E','Qfr':'\uD835\uDD14','qint':'\u2A0C','qopf':'\uD835\uDD62','Qopf':'\u211A','qprime':'\u2057','qscr':'\uD835\uDCC6','Qscr':'\uD835\uDCAC','quaternions':'\u210D','quatint':'\u2A16','quest':'?','questeq':'\u225F','quot':'"','QUOT':'"','rAarr':'\u21DB','race':'\u223D\u0331','racute':'\u0155','Racute':'\u0154','radic':'\u221A','raemptyv':'\u29B3','rang':'\u27E9','Rang':'\u27EB','rangd':'\u2992','range':'\u29A5','rangle':'\u27E9','raquo':'\xBB','rarr':'\u2192','rArr':'\u21D2','Rarr':'\u21A0','rarrap':'\u2975','rarrb':'\u21E5','rarrbfs':'\u2920','rarrc':'\u2933','rarrfs':'\u291E','rarrhk':'\u21AA','rarrlp':'\u21AC','rarrpl':'\u2945','rarrsim':'\u2974','rarrtl':'\u21A3','Rarrtl':'\u2916','rarrw':'\u219D','ratail':'\u291A','rAtail':'\u291C','ratio':'\u2236','rationals':'\u211A','rbarr':'\u290D','rBarr':'\u290F','RBarr':'\u2910','rbbrk':'\u2773','rbrace':'}','rbrack':']','rbrke':'\u298C','rbrksld':'\u298E','rbrkslu':'\u2990','rcaron':'\u0159','Rcaron':'\u0158','rcedil':'\u0157','Rcedil':'\u0156','rceil':'\u2309','rcub':'}','rcy':'\u0440','Rcy':'\u0420','rdca':'\u2937','rdldhar':'\u2969','rdquo':'\u201D','rdquor':'\u201D','rdsh':'\u21B3','Re':'\u211C','real':'\u211C','realine':'\u211B','realpart':'\u211C','reals':'\u211D','rect':'\u25AD','reg':'\xAE','REG':'\xAE','ReverseElement':'\u220B','ReverseEquilibrium':'\u21CB','ReverseUpEquilibrium':'\u296F','rfisht':'\u297D','rfloor':'\u230B','rfr':'\uD835\uDD2F','Rfr':'\u211C','rHar':'\u2964','rhard':'\u21C1','rharu':'\u21C0','rharul':'\u296C','rho':'\u03C1','Rho':'\u03A1','rhov':'\u03F1','RightAngleBracket':'\u27E9','rightarrow':'\u2192','Rightarrow':'\u21D2','RightArrow':'\u2192','RightArrowBar':'\u21E5','RightArrowLeftArrow':'\u21C4','rightarrowtail':'\u21A3','RightCeiling':'\u2309','RightDoubleBracket':'\u27E7','RightDownTeeVector':'\u295D','RightDownVector':'\u21C2','RightDownVectorBar':'\u2955','RightFloor':'\u230B','rightharpoondown':'\u21C1','rightharpoonup':'\u21C0','rightleftarrows':'\u21C4','rightleftharpoons':'\u21CC','rightrightarrows':'\u21C9','rightsquigarrow':'\u219D','RightTee':'\u22A2','RightTeeArrow':'\u21A6','RightTeeVector':'\u295B','rightthreetimes':'\u22CC','RightTriangle':'\u22B3','RightTriangleBar':'\u29D0','RightTriangleEqual':'\u22B5','RightUpDownVector':'\u294F','RightUpTeeVector':'\u295C','RightUpVector':'\u21BE','RightUpVectorBar':'\u2954','RightVector':'\u21C0','RightVectorBar':'\u2953','ring':'\u02DA','risingdotseq':'\u2253','rlarr':'\u21C4','rlhar':'\u21CC','rlm':'\u200F','rmoust':'\u23B1','rmoustache':'\u23B1','rnmid':'\u2AEE','roang':'\u27ED','roarr':'\u21FE','robrk':'\u27E7','ropar':'\u2986','ropf':'\uD835\uDD63','Ropf':'\u211D','roplus':'\u2A2E','rotimes':'\u2A35','RoundImplies':'\u2970','rpar':')','rpargt':'\u2994','rppolint':'\u2A12','rrarr':'\u21C9','Rrightarrow':'\u21DB','rsaquo':'\u203A','rscr':'\uD835\uDCC7','Rscr':'\u211B','rsh':'\u21B1','Rsh':'\u21B1','rsqb':']','rsquo':'\u2019','rsquor':'\u2019','rthree':'\u22CC','rtimes':'\u22CA','rtri':'\u25B9','rtrie':'\u22B5','rtrif':'\u25B8','rtriltri':'\u29CE','RuleDelayed':'\u29F4','ruluhar':'\u2968','rx':'\u211E','sacute':'\u015B','Sacute':'\u015A','sbquo':'\u201A','sc':'\u227B','Sc':'\u2ABC','scap':'\u2AB8','scaron':'\u0161','Scaron':'\u0160','sccue':'\u227D','sce':'\u2AB0','scE':'\u2AB4','scedil':'\u015F','Scedil':'\u015E','scirc':'\u015D','Scirc':'\u015C','scnap':'\u2ABA','scnE':'\u2AB6','scnsim':'\u22E9','scpolint':'\u2A13','scsim':'\u227F','scy':'\u0441','Scy':'\u0421','sdot':'\u22C5','sdotb':'\u22A1','sdote':'\u2A66','searhk':'\u2925','searr':'\u2198','seArr':'\u21D8','searrow':'\u2198','sect':'\xA7','semi':';','seswar':'\u2929','setminus':'\u2216','setmn':'\u2216','sext':'\u2736','sfr':'\uD835\uDD30','Sfr':'\uD835\uDD16','sfrown':'\u2322','sharp':'\u266F','shchcy':'\u0449','SHCHcy':'\u0429','shcy':'\u0448','SHcy':'\u0428','ShortDownArrow':'\u2193','ShortLeftArrow':'\u2190','shortmid':'\u2223','shortparallel':'\u2225','ShortRightArrow':'\u2192','ShortUpArrow':'\u2191','shy':'\xAD','sigma':'\u03C3','Sigma':'\u03A3','sigmaf':'\u03C2','sigmav':'\u03C2','sim':'\u223C','simdot':'\u2A6A','sime':'\u2243','simeq':'\u2243','simg':'\u2A9E','simgE':'\u2AA0','siml':'\u2A9D','simlE':'\u2A9F','simne':'\u2246','simplus':'\u2A24','simrarr':'\u2972','slarr':'\u2190','SmallCircle':'\u2218','smallsetminus':'\u2216','smashp':'\u2A33','smeparsl':'\u29E4','smid':'\u2223','smile':'\u2323','smt':'\u2AAA','smte':'\u2AAC','smtes':'\u2AAC\uFE00','softcy':'\u044C','SOFTcy':'\u042C','sol':'/','solb':'\u29C4','solbar':'\u233F','sopf':'\uD835\uDD64','Sopf':'\uD835\uDD4A','spades':'\u2660','spadesuit':'\u2660','spar':'\u2225','sqcap':'\u2293','sqcaps':'\u2293\uFE00','sqcup':'\u2294','sqcups':'\u2294\uFE00','Sqrt':'\u221A','sqsub':'\u228F','sqsube':'\u2291','sqsubset':'\u228F','sqsubseteq':'\u2291','sqsup':'\u2290','sqsupe':'\u2292','sqsupset':'\u2290','sqsupseteq':'\u2292','squ':'\u25A1','square':'\u25A1','Square':'\u25A1','SquareIntersection':'\u2293','SquareSubset':'\u228F','SquareSubsetEqual':'\u2291','SquareSuperset':'\u2290','SquareSupersetEqual':'\u2292','SquareUnion':'\u2294','squarf':'\u25AA','squf':'\u25AA','srarr':'\u2192','sscr':'\uD835\uDCC8','Sscr':'\uD835\uDCAE','ssetmn':'\u2216','ssmile':'\u2323','sstarf':'\u22C6','star':'\u2606','Star':'\u22C6','starf':'\u2605','straightepsilon':'\u03F5','straightphi':'\u03D5','strns':'\xAF','sub':'\u2282','Sub':'\u22D0','subdot':'\u2ABD','sube':'\u2286','subE':'\u2AC5','subedot':'\u2AC3','submult':'\u2AC1','subne':'\u228A','subnE':'\u2ACB','subplus':'\u2ABF','subrarr':'\u2979','subset':'\u2282','Subset':'\u22D0','subseteq':'\u2286','subseteqq':'\u2AC5','SubsetEqual':'\u2286','subsetneq':'\u228A','subsetneqq':'\u2ACB','subsim':'\u2AC7','subsub':'\u2AD5','subsup':'\u2AD3','succ':'\u227B','succapprox':'\u2AB8','succcurlyeq':'\u227D','Succeeds':'\u227B','SucceedsEqual':'\u2AB0','SucceedsSlantEqual':'\u227D','SucceedsTilde':'\u227F','succeq':'\u2AB0','succnapprox':'\u2ABA','succneqq':'\u2AB6','succnsim':'\u22E9','succsim':'\u227F','SuchThat':'\u220B','sum':'\u2211','Sum':'\u2211','sung':'\u266A','sup':'\u2283','Sup':'\u22D1','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','supdot':'\u2ABE','supdsub':'\u2AD8','supe':'\u2287','supE':'\u2AC6','supedot':'\u2AC4','Superset':'\u2283','SupersetEqual':'\u2287','suphsol':'\u27C9','suphsub':'\u2AD7','suplarr':'\u297B','supmult':'\u2AC2','supne':'\u228B','supnE':'\u2ACC','supplus':'\u2AC0','supset':'\u2283','Supset':'\u22D1','supseteq':'\u2287','supseteqq':'\u2AC6','supsetneq':'\u228B','supsetneqq':'\u2ACC','supsim':'\u2AC8','supsub':'\u2AD4','supsup':'\u2AD6','swarhk':'\u2926','swarr':'\u2199','swArr':'\u21D9','swarrow':'\u2199','swnwar':'\u292A','szlig':'\xDF','Tab':'\t','target':'\u2316','tau':'\u03C4','Tau':'\u03A4','tbrk':'\u23B4','tcaron':'\u0165','Tcaron':'\u0164','tcedil':'\u0163','Tcedil':'\u0162','tcy':'\u0442','Tcy':'\u0422','tdot':'\u20DB','telrec':'\u2315','tfr':'\uD835\uDD31','Tfr':'\uD835\uDD17','there4':'\u2234','therefore':'\u2234','Therefore':'\u2234','theta':'\u03B8','Theta':'\u0398','thetasym':'\u03D1','thetav':'\u03D1','thickapprox':'\u2248','thicksim':'\u223C','ThickSpace':'\u205F\u200A','thinsp':'\u2009','ThinSpace':'\u2009','thkap':'\u2248','thksim':'\u223C','thorn':'\xFE','THORN':'\xDE','tilde':'\u02DC','Tilde':'\u223C','TildeEqual':'\u2243','TildeFullEqual':'\u2245','TildeTilde':'\u2248','times':'\xD7','timesb':'\u22A0','timesbar':'\u2A31','timesd':'\u2A30','tint':'\u222D','toea':'\u2928','top':'\u22A4','topbot':'\u2336','topcir':'\u2AF1','topf':'\uD835\uDD65','Topf':'\uD835\uDD4B','topfork':'\u2ADA','tosa':'\u2929','tprime':'\u2034','trade':'\u2122','TRADE':'\u2122','triangle':'\u25B5','triangledown':'\u25BF','triangleleft':'\u25C3','trianglelefteq':'\u22B4','triangleq':'\u225C','triangleright':'\u25B9','trianglerighteq':'\u22B5','tridot':'\u25EC','trie':'\u225C','triminus':'\u2A3A','TripleDot':'\u20DB','triplus':'\u2A39','trisb':'\u29CD','tritime':'\u2A3B','trpezium':'\u23E2','tscr':'\uD835\uDCC9','Tscr':'\uD835\uDCAF','tscy':'\u0446','TScy':'\u0426','tshcy':'\u045B','TSHcy':'\u040B','tstrok':'\u0167','Tstrok':'\u0166','twixt':'\u226C','twoheadleftarrow':'\u219E','twoheadrightarrow':'\u21A0','uacute':'\xFA','Uacute':'\xDA','uarr':'\u2191','uArr':'\u21D1','Uarr':'\u219F','Uarrocir':'\u2949','ubrcy':'\u045E','Ubrcy':'\u040E','ubreve':'\u016D','Ubreve':'\u016C','ucirc':'\xFB','Ucirc':'\xDB','ucy':'\u0443','Ucy':'\u0423','udarr':'\u21C5','udblac':'\u0171','Udblac':'\u0170','udhar':'\u296E','ufisht':'\u297E','ufr':'\uD835\uDD32','Ufr':'\uD835\uDD18','ugrave':'\xF9','Ugrave':'\xD9','uHar':'\u2963','uharl':'\u21BF','uharr':'\u21BE','uhblk':'\u2580','ulcorn':'\u231C','ulcorner':'\u231C','ulcrop':'\u230F','ultri':'\u25F8','umacr':'\u016B','Umacr':'\u016A','uml':'\xA8','UnderBar':'_','UnderBrace':'\u23DF','UnderBracket':'\u23B5','UnderParenthesis':'\u23DD','Union':'\u22C3','UnionPlus':'\u228E','uogon':'\u0173','Uogon':'\u0172','uopf':'\uD835\uDD66','Uopf':'\uD835\uDD4C','uparrow':'\u2191','Uparrow':'\u21D1','UpArrow':'\u2191','UpArrowBar':'\u2912','UpArrowDownArrow':'\u21C5','updownarrow':'\u2195','Updownarrow':'\u21D5','UpDownArrow':'\u2195','UpEquilibrium':'\u296E','upharpoonleft':'\u21BF','upharpoonright':'\u21BE','uplus':'\u228E','UpperLeftArrow':'\u2196','UpperRightArrow':'\u2197','upsi':'\u03C5','Upsi':'\u03D2','upsih':'\u03D2','upsilon':'\u03C5','Upsilon':'\u03A5','UpTee':'\u22A5','UpTeeArrow':'\u21A5','upuparrows':'\u21C8','urcorn':'\u231D','urcorner':'\u231D','urcrop':'\u230E','uring':'\u016F','Uring':'\u016E','urtri':'\u25F9','uscr':'\uD835\uDCCA','Uscr':'\uD835\uDCB0','utdot':'\u22F0','utilde':'\u0169','Utilde':'\u0168','utri':'\u25B5','utrif':'\u25B4','uuarr':'\u21C8','uuml':'\xFC','Uuml':'\xDC','uwangle':'\u29A7','vangrt':'\u299C','varepsilon':'\u03F5','varkappa':'\u03F0','varnothing':'\u2205','varphi':'\u03D5','varpi':'\u03D6','varpropto':'\u221D','varr':'\u2195','vArr':'\u21D5','varrho':'\u03F1','varsigma':'\u03C2','varsubsetneq':'\u228A\uFE00','varsubsetneqq':'\u2ACB\uFE00','varsupsetneq':'\u228B\uFE00','varsupsetneqq':'\u2ACC\uFE00','vartheta':'\u03D1','vartriangleleft':'\u22B2','vartriangleright':'\u22B3','vBar':'\u2AE8','Vbar':'\u2AEB','vBarv':'\u2AE9','vcy':'\u0432','Vcy':'\u0412','vdash':'\u22A2','vDash':'\u22A8','Vdash':'\u22A9','VDash':'\u22AB','Vdashl':'\u2AE6','vee':'\u2228','Vee':'\u22C1','veebar':'\u22BB','veeeq':'\u225A','vellip':'\u22EE','verbar':'|','Verbar':'\u2016','vert':'|','Vert':'\u2016','VerticalBar':'\u2223','VerticalLine':'|','VerticalSeparator':'\u2758','VerticalTilde':'\u2240','VeryThinSpace':'\u200A','vfr':'\uD835\uDD33','Vfr':'\uD835\uDD19','vltri':'\u22B2','vnsub':'\u2282\u20D2','vnsup':'\u2283\u20D2','vopf':'\uD835\uDD67','Vopf':'\uD835\uDD4D','vprop':'\u221D','vrtri':'\u22B3','vscr':'\uD835\uDCCB','Vscr':'\uD835\uDCB1','vsubne':'\u228A\uFE00','vsubnE':'\u2ACB\uFE00','vsupne':'\u228B\uFE00','vsupnE':'\u2ACC\uFE00','Vvdash':'\u22AA','vzigzag':'\u299A','wcirc':'\u0175','Wcirc':'\u0174','wedbar':'\u2A5F','wedge':'\u2227','Wedge':'\u22C0','wedgeq':'\u2259','weierp':'\u2118','wfr':'\uD835\uDD34','Wfr':'\uD835\uDD1A','wopf':'\uD835\uDD68','Wopf':'\uD835\uDD4E','wp':'\u2118','wr':'\u2240','wreath':'\u2240','wscr':'\uD835\uDCCC','Wscr':'\uD835\uDCB2','xcap':'\u22C2','xcirc':'\u25EF','xcup':'\u22C3','xdtri':'\u25BD','xfr':'\uD835\uDD35','Xfr':'\uD835\uDD1B','xharr':'\u27F7','xhArr':'\u27FA','xi':'\u03BE','Xi':'\u039E','xlarr':'\u27F5','xlArr':'\u27F8','xmap':'\u27FC','xnis':'\u22FB','xodot':'\u2A00','xopf':'\uD835\uDD69','Xopf':'\uD835\uDD4F','xoplus':'\u2A01','xotime':'\u2A02','xrarr':'\u27F6','xrArr':'\u27F9','xscr':'\uD835\uDCCD','Xscr':'\uD835\uDCB3','xsqcup':'\u2A06','xuplus':'\u2A04','xutri':'\u25B3','xvee':'\u22C1','xwedge':'\u22C0','yacute':'\xFD','Yacute':'\xDD','yacy':'\u044F','YAcy':'\u042F','ycirc':'\u0177','Ycirc':'\u0176','ycy':'\u044B','Ycy':'\u042B','yen':'\xA5','yfr':'\uD835\uDD36','Yfr':'\uD835\uDD1C','yicy':'\u0457','YIcy':'\u0407','yopf':'\uD835\uDD6A','Yopf':'\uD835\uDD50','yscr':'\uD835\uDCCE','Yscr':'\uD835\uDCB4','yucy':'\u044E','YUcy':'\u042E','yuml':'\xFF','Yuml':'\u0178','zacute':'\u017A','Zacute':'\u0179','zcaron':'\u017E','Zcaron':'\u017D','zcy':'\u0437','Zcy':'\u0417','zdot':'\u017C','Zdot':'\u017B','zeetrf':'\u2128','ZeroWidthSpace':'\u200B','zeta':'\u03B6','Zeta':'\u0396','zfr':'\uD835\uDD37','Zfr':'\u2128','zhcy':'\u0436','ZHcy':'\u0416','zigrarr':'\u21DD','zopf':'\uD835\uDD6B','Zopf':'\u2124','zscr':'\uD835\uDCCF','Zscr':'\uD835\uDCB5','zwj':'\u200D','zwnj':'\u200C'};
+ var decodeMapLegacy = {'aacute':'\xE1','Aacute':'\xC1','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','aelig':'\xE6','AElig':'\xC6','agrave':'\xE0','Agrave':'\xC0','amp':'&','AMP':'&','aring':'\xE5','Aring':'\xC5','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','brvbar':'\xA6','ccedil':'\xE7','Ccedil':'\xC7','cedil':'\xB8','cent':'\xA2','copy':'\xA9','COPY':'\xA9','curren':'\xA4','deg':'\xB0','divide':'\xF7','eacute':'\xE9','Eacute':'\xC9','ecirc':'\xEA','Ecirc':'\xCA','egrave':'\xE8','Egrave':'\xC8','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','frac12':'\xBD','frac14':'\xBC','frac34':'\xBE','gt':'>','GT':'>','iacute':'\xED','Iacute':'\xCD','icirc':'\xEE','Icirc':'\xCE','iexcl':'\xA1','igrave':'\xEC','Igrave':'\xCC','iquest':'\xBF','iuml':'\xEF','Iuml':'\xCF','laquo':'\xAB','lt':'<','LT':'<','macr':'\xAF','micro':'\xB5','middot':'\xB7','nbsp':'\xA0','not':'\xAC','ntilde':'\xF1','Ntilde':'\xD1','oacute':'\xF3','Oacute':'\xD3','ocirc':'\xF4','Ocirc':'\xD4','ograve':'\xF2','Ograve':'\xD2','ordf':'\xAA','ordm':'\xBA','oslash':'\xF8','Oslash':'\xD8','otilde':'\xF5','Otilde':'\xD5','ouml':'\xF6','Ouml':'\xD6','para':'\xB6','plusmn':'\xB1','pound':'\xA3','quot':'"','QUOT':'"','raquo':'\xBB','reg':'\xAE','REG':'\xAE','sect':'\xA7','shy':'\xAD','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','szlig':'\xDF','thorn':'\xFE','THORN':'\xDE','times':'\xD7','uacute':'\xFA','Uacute':'\xDA','ucirc':'\xFB','Ucirc':'\xDB','ugrave':'\xF9','Ugrave':'\xD9','uml':'\xA8','uuml':'\xFC','Uuml':'\xDC','yacute':'\xFD','Yacute':'\xDD','yen':'\xA5','yuml':'\xFF'};
+ var decodeMapNumeric = {'0':'\uFFFD','128':'\u20AC','130':'\u201A','131':'\u0192','132':'\u201E','133':'\u2026','134':'\u2020','135':'\u2021','136':'\u02C6','137':'\u2030','138':'\u0160','139':'\u2039','140':'\u0152','142':'\u017D','145':'\u2018','146':'\u2019','147':'\u201C','148':'\u201D','149':'\u2022','150':'\u2013','151':'\u2014','152':'\u02DC','153':'\u2122','154':'\u0161','155':'\u203A','156':'\u0153','158':'\u017E','159':'\u0178'};
+ var invalidReferenceCodePoints = [1,2,3,4,5,6,7,8,11,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,64976,64977,64978,64979,64980,64981,64982,64983,64984,64985,64986,64987,64988,64989,64990,64991,64992,64993,64994,64995,64996,64997,64998,64999,65000,65001,65002,65003,65004,65005,65006,65007,65534,65535,131070,131071,196606,196607,262142,262143,327678,327679,393214,393215,458750,458751,524286,524287,589822,589823,655358,655359,720894,720895,786430,786431,851966,851967,917502,917503,983038,983039,1048574,1048575,1114110,1114111];
+
+ /*--------------------------------------------------------------------------*/
+
+ var stringFromCharCode = String.fromCharCode;
+
+ var object = {};
+ var hasOwnProperty = object.hasOwnProperty;
+ var has = function(object, propertyName) {
+ return hasOwnProperty.call(object, propertyName);
+ };
+
+ var contains = function(array, value) {
+ var index = -1;
+ var length = array.length;
+ while (++index < length) {
+ if (array[index] == value) {
+ return true;
+ }
+ }
+ return false;
+ };
+
+ var merge = function(options, defaults) {
+ if (!options) {
+ return defaults;
+ }
+ var result = {};
+ var key;
+ for (key in defaults) {
+ // A `hasOwnProperty` check is not needed here, since only recognized
+ // option names are used anyway. Any others are ignored.
+ result[key] = has(options, key) ? options[key] : defaults[key];
+ }
+ return result;
+ };
+
+ // Modified version of `ucs2encode`; see https://mths.be/punycode.
+ var codePointToSymbol = function(codePoint, strict) {
+ var output = '';
+ if ((codePoint >= 0xD800 && codePoint <= 0xDFFF) || codePoint > 0x10FFFF) {
+ // See issue #4:
+ // “Otherwise, if the number is in the range 0xD800 to 0xDFFF or is
+ // greater than 0x10FFFF, then this is a parse error. Return a U+FFFD
+ // REPLACEMENT CHARACTER.”
+ if (strict) {
+ parseError('character reference outside the permissible Unicode range');
+ }
+ return '\uFFFD';
+ }
+ if (has(decodeMapNumeric, codePoint)) {
+ if (strict) {
+ parseError('disallowed character reference');
+ }
+ return decodeMapNumeric[codePoint];
+ }
+ if (strict && contains(invalidReferenceCodePoints, codePoint)) {
+ parseError('disallowed character reference');
+ }
+ if (codePoint > 0xFFFF) {
+ codePoint -= 0x10000;
+ output += stringFromCharCode(codePoint >>> 10 & 0x3FF | 0xD800);
+ codePoint = 0xDC00 | codePoint & 0x3FF;
+ }
+ output += stringFromCharCode(codePoint);
+ return output;
+ };
+
+ var hexEscape = function(codePoint) {
+ return '&#x' + codePoint.toString(16).toUpperCase() + ';';
+ };
+
+ var decEscape = function(codePoint) {
+ return '&#' + codePoint + ';';
+ };
+
+ var parseError = function(message) {
+ throw Error('Parse error: ' + message);
+ };
+
+ /*--------------------------------------------------------------------------*/
+
+ var encode = function(string, options) {
+ options = merge(options, encode.options);
+ var strict = options.strict;
+ if (strict && regexInvalidRawCodePoint.test(string)) {
+ parseError('forbidden code point');
+ }
+ var encodeEverything = options.encodeEverything;
+ var useNamedReferences = options.useNamedReferences;
+ var allowUnsafeSymbols = options.allowUnsafeSymbols;
+ var escapeCodePoint = options.decimal ? decEscape : hexEscape;
+
+ var escapeBmpSymbol = function(symbol) {
+ return escapeCodePoint(symbol.charCodeAt(0));
+ };
+
+ if (encodeEverything) {
+ // Encode ASCII symbols.
+ string = string.replace(regexAsciiWhitelist, function(symbol) {
+ // Use named references if requested & possible.
+ if (useNamedReferences && has(encodeMap, symbol)) {
+ return '&' + encodeMap[symbol] + ';';
+ }
+ return escapeBmpSymbol(symbol);
+ });
+ // Shorten a few escapes that represent two symbols, of which at least one
+ // is within the ASCII range.
+ if (useNamedReferences) {
+ string = string
+ .replace(/>\u20D2/g, '>⃒')
+ .replace(/<\u20D2/g, '<⃒')
+ .replace(/fj/g, 'fj');
+ }
+ // Encode non-ASCII symbols.
+ if (useNamedReferences) {
+ // Encode non-ASCII symbols that can be replaced with a named reference.
+ string = string.replace(regexEncodeNonAscii, function(string) {
+ // Note: there is no need to check `has(encodeMap, string)` here.
+ return '&' + encodeMap[string] + ';';
+ });
+ }
+ // Note: any remaining non-ASCII symbols are handled outside of the `if`.
+ } else if (useNamedReferences) {
+ // Apply named character references.
+ // Encode `<>"'&` using named character references.
+ if (!allowUnsafeSymbols) {
+ string = string.replace(regexEscape, function(string) {
+ return '&' + encodeMap[string] + ';'; // no need to check `has()` here
+ });
+ }
+ // Shorten escapes that represent two symbols, of which at least one is
+ // `<>"'&`.
+ string = string
+ .replace(/>\u20D2/g, '>⃒')
+ .replace(/<\u20D2/g, '<⃒');
+ // Encode non-ASCII symbols that can be replaced with a named reference.
+ string = string.replace(regexEncodeNonAscii, function(string) {
+ // Note: there is no need to check `has(encodeMap, string)` here.
+ return '&' + encodeMap[string] + ';';
+ });
+ } else if (!allowUnsafeSymbols) {
+ // Encode `<>"'&` using hexadecimal escapes, now that they’re not handled
+ // using named character references.
+ string = string.replace(regexEscape, escapeBmpSymbol);
+ }
+ return string
+ // Encode astral symbols.
+ .replace(regexAstralSymbols, function($0) {
+ // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+ var high = $0.charCodeAt(0);
+ var low = $0.charCodeAt(1);
+ var codePoint = (high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000;
+ return escapeCodePoint(codePoint);
+ })
+ // Encode any remaining BMP symbols that are not printable ASCII symbols
+ // using a hexadecimal escape.
+ .replace(regexBmpWhitelist, escapeBmpSymbol);
+ };
+ // Expose default options (so they can be overridden globally).
+ encode.options = {
+ 'allowUnsafeSymbols': false,
+ 'encodeEverything': false,
+ 'strict': false,
+ 'useNamedReferences': false,
+ 'decimal' : false
+ };
+
+ var decode = function(html, options) {
+ options = merge(options, decode.options);
+ var strict = options.strict;
+ if (strict && regexInvalidEntity.test(html)) {
+ parseError('malformed character reference');
+ }
+ return html.replace(regexDecode, function($0, $1, $2, $3, $4, $5, $6, $7, $8) {
+ var codePoint;
+ var semicolon;
+ var decDigits;
+ var hexDigits;
+ var reference;
+ var next;
+
+ if ($1) {
+ reference = $1;
+ // Note: there is no need to check `has(decodeMap, reference)`.
+ return decodeMap[reference];
+ }
+
+ if ($2) {
+ // Decode named character references without trailing `;`, e.g. `&`.
+ // This is only a parse error if it gets converted to `&`, or if it is
+ // followed by `=` in an attribute context.
+ reference = $2;
+ next = $3;
+ if (next && options.isAttributeValue) {
+ if (strict && next == '=') {
+ parseError('`&` did not start a character reference');
+ }
+ return $0;
+ } else {
+ if (strict) {
+ parseError(
+ 'named character reference was not terminated by a semicolon'
+ );
+ }
+ // Note: there is no need to check `has(decodeMapLegacy, reference)`.
+ return decodeMapLegacy[reference] + (next || '');
+ }
+ }
+
+ if ($4) {
+ // Decode decimal escapes, e.g. `𝌆`.
+ decDigits = $4;
+ semicolon = $5;
+ if (strict && !semicolon) {
+ parseError('character reference was not terminated by a semicolon');
+ }
+ codePoint = parseInt(decDigits, 10);
+ return codePointToSymbol(codePoint, strict);
+ }
+
+ if ($6) {
+ // Decode hexadecimal escapes, e.g. `𝌆`.
+ hexDigits = $6;
+ semicolon = $7;
+ if (strict && !semicolon) {
+ parseError('character reference was not terminated by a semicolon');
+ }
+ codePoint = parseInt(hexDigits, 16);
+ return codePointToSymbol(codePoint, strict);
+ }
+
+ // If we’re still here, `if ($7)` is implied; it’s an ambiguous
+ // ampersand for sure. https://mths.be/notes/ambiguous-ampersands
+ if (strict) {
+ parseError(
+ 'named character reference was not terminated by a semicolon'
+ );
+ }
+ return $0;
+ });
+ };
+ // Expose default options (so they can be overridden globally).
+ decode.options = {
+ 'isAttributeValue': false,
+ 'strict': false
+ };
+
+ var escape = function(string) {
+ return string.replace(regexEscape, function($0) {
+ // Note: there is no need to check `has(escapeMap, $0)` here.
+ return escapeMap[$0];
+ });
+ };
+
+ /*--------------------------------------------------------------------------*/
+
+ var he = {
+ 'version': '1.2.0',
+ 'encode': encode,
+ 'decode': decode,
+ 'escape': escape,
+ 'unescape': decode
+ };
+
+ // Some AMD build optimizers, like r.js, check for specific condition patterns
+ // like the following:
+ if (freeExports && !freeExports.nodeType) {
+ if (freeModule) { // in Node.js, io.js, or RingoJS v0.8.0+
+ freeModule.exports = he;
+ } else { // in Narwhal or RingoJS v0.7.0-
+ for (var key in he) {
+ has(he, key) && (freeExports[key] = he[key]);
+ }
+ }
+ } else { // in Rhino or a web browser
+ root.he = he;
+ }
+
+ }(commonjsGlobal));
+ }(he, he.exports));
+
+ (function (exports) {
+
+ /**
+ * Various utility functions used throughout Mocha's codebase.
+ * @module utils
+ */
+
+ /**
+ * Module dependencies.
+ */
+
+ const {nanoid} = nonSecure;
+ var path = require$$1;
+ var util = require$$0$1;
+ var he$1 = he.exports;
+
+ const MOCHA_ID_PROP_NAME = '__mocha_id__';
+
+ /**
+ * Inherit the prototype methods from one constructor into another.
+ *
+ * @param {function} ctor - Constructor function which needs to inherit the
+ * prototype.
+ * @param {function} superCtor - Constructor function to inherit prototype from.
+ * @throws {TypeError} if either constructor is null, or if super constructor
+ * lacks a prototype.
+ */
+ exports.inherits = util.inherits;
+
+ /**
+ * Escape special characters in the given string of html.
+ *
+ * @private
+ * @param {string} html
+ * @return {string}
+ */
+ exports.escape = function (html) {
+ return he$1.encode(String(html), {useNamedReferences: false});
+ };
+
+ /**
+ * Test if the given obj is type of string.
+ *
+ * @private
+ * @param {Object} obj
+ * @return {boolean}
+ */
+ exports.isString = function (obj) {
+ return typeof obj === 'string';
+ };
+
+ /**
+ * Compute a slug from the given `str`.
+ *
+ * @private
+ * @param {string} str
+ * @return {string}
+ */
+ exports.slug = function (str) {
+ return str
+ .toLowerCase()
+ .replace(/\s+/g, '-')
+ .replace(/[^-\w]/g, '')
+ .replace(/-{2,}/g, '-');
+ };
+
+ /**
+ * Strip the function definition from `str`, and re-indent for pre whitespace.
+ *
+ * @param {string} str
+ * @return {string}
+ */
+ exports.clean = function (str) {
+ str = str
+ .replace(/\r\n?|[\n\u2028\u2029]/g, '\n')
+ .replace(/^\uFEFF/, '')
+ // (traditional)-> space/name parameters body (lambda)-> parameters body multi-statement/single keep body content
+ .replace(
+ /^function(?:\s*|\s+[^(]*)\([^)]*\)\s*\{((?:.|\n)*?)\s*\}$|^\([^)]*\)\s*=>\s*(?:\{((?:.|\n)*?)\s*\}|((?:.|\n)*))$/,
+ '$1$2$3'
+ );
+
+ var spaces = str.match(/^\n?( *)/)[1].length;
+ var tabs = str.match(/^\n?(\t*)/)[1].length;
+ var re = new RegExp(
+ '^\n?' + (tabs ? '\t' : ' ') + '{' + (tabs || spaces) + '}',
+ 'gm'
+ );
+
+ str = str.replace(re, '');
+
+ return str.trim();
+ };
+
+ /**
+ * If a value could have properties, and has none, this function is called,
+ * which returns a string representation of the empty value.
+ *
+ * Functions w/ no properties return `'[Function]'`
+ * Arrays w/ length === 0 return `'[]'`
+ * Objects w/ no properties return `'{}'`
+ * All else: return result of `value.toString()`
+ *
+ * @private
+ * @param {*} value The value to inspect.
+ * @param {string} typeHint The type of the value
+ * @returns {string}
+ */
+ function emptyRepresentation(value, typeHint) {
+ switch (typeHint) {
+ case 'function':
+ return '[Function]';
+ case 'object':
+ return '{}';
+ case 'array':
+ return '[]';
+ default:
+ return value.toString();
+ }
+ }
+
+ /**
+ * Takes some variable and asks `Object.prototype.toString()` what it thinks it
+ * is.
+ *
+ * @private
+ * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString
+ * @param {*} value The value to test.
+ * @returns {string} Computed type
+ * @example
+ * canonicalType({}) // 'object'
+ * canonicalType([]) // 'array'
+ * canonicalType(1) // 'number'
+ * canonicalType(false) // 'boolean'
+ * canonicalType(Infinity) // 'number'
+ * canonicalType(null) // 'null'
+ * canonicalType(new Date()) // 'date'
+ * canonicalType(/foo/) // 'regexp'
+ * canonicalType('type') // 'string'
+ * canonicalType(global) // 'global'
+ * canonicalType(new String('foo') // 'object'
+ * canonicalType(async function() {}) // 'asyncfunction'
+ * canonicalType(await import(name)) // 'module'
+ */
+ var canonicalType = (exports.canonicalType = function canonicalType(value) {
+ if (value === undefined) {
+ return 'undefined';
+ } else if (value === null) {
+ return 'null';
+ } else if (isBuffer(value)) {
+ return 'buffer';
+ }
+ return Object.prototype.toString
+ .call(value)
+ .replace(/^\[.+\s(.+?)]$/, '$1')
+ .toLowerCase();
+ });
+
+ /**
+ *
+ * Returns a general type or data structure of a variable
+ * @private
+ * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures
+ * @param {*} value The value to test.
+ * @returns {string} One of undefined, boolean, number, string, bigint, symbol, object
+ * @example
+ * type({}) // 'object'
+ * type([]) // 'array'
+ * type(1) // 'number'
+ * type(false) // 'boolean'
+ * type(Infinity) // 'number'
+ * type(null) // 'null'
+ * type(new Date()) // 'object'
+ * type(/foo/) // 'object'
+ * type('type') // 'string'
+ * type(global) // 'object'
+ * type(new String('foo') // 'string'
+ */
+ exports.type = function type(value) {
+ // Null is special
+ if (value === null) return 'null';
+ const primitives = new Set([
+ 'undefined',
+ 'boolean',
+ 'number',
+ 'string',
+ 'bigint',
+ 'symbol'
+ ]);
+ const _type = typeof value;
+ if (_type === 'function') return _type;
+ if (primitives.has(_type)) return _type;
+ if (value instanceof String) return 'string';
+ if (value instanceof Error) return 'error';
+ if (Array.isArray(value)) return 'array';
+
+ return _type;
+ };
+
+ /**
+ * Stringify `value`. Different behavior depending on type of value:
+ *
+ * - If `value` is undefined or null, return `'[undefined]'` or `'[null]'`, respectively.
+ * - If `value` is not an object, function or array, return result of `value.toString()` wrapped in double-quotes.
+ * - If `value` is an *empty* object, function, or array, return result of function
+ * {@link emptyRepresentation}.
+ * - If `value` has properties, call {@link exports.canonicalize} on it, then return result of
+ * JSON.stringify().
+ *
+ * @private
+ * @see exports.type
+ * @param {*} value
+ * @return {string}
+ */
+ exports.stringify = function (value) {
+ var typeHint = canonicalType(value);
+
+ if (!~['object', 'array', 'function'].indexOf(typeHint)) {
+ if (typeHint === 'buffer') {
+ var json = Buffer.prototype.toJSON.call(value);
+ // Based on the toJSON result
+ return jsonStringify(
+ json.data && json.type ? json.data : json,
+ 2
+ ).replace(/,(\n|$)/g, '$1');
+ }
+
+ // IE7/IE8 has a bizarre String constructor; needs to be coerced
+ // into an array and back to obj.
+ if (typeHint === 'string' && typeof value === 'object') {
+ value = value.split('').reduce(function (acc, char, idx) {
+ acc[idx] = char;
+ return acc;
+ }, {});
+ typeHint = 'object';
+ } else {
+ return jsonStringify(value);
+ }
+ }
+
+ for (var prop in value) {
+ if (Object.prototype.hasOwnProperty.call(value, prop)) {
+ return jsonStringify(
+ exports.canonicalize(value, null, typeHint),
+ 2
+ ).replace(/,(\n|$)/g, '$1');
+ }
+ }
+
+ return emptyRepresentation(value, typeHint);
+ };
+
+ /**
+ * like JSON.stringify but more sense.
+ *
+ * @private
+ * @param {Object} object
+ * @param {number=} spaces
+ * @param {number=} depth
+ * @returns {*}
+ */
+ function jsonStringify(object, spaces, depth) {
+ if (typeof spaces === 'undefined') {
+ // primitive types
+ return _stringify(object);
+ }
+
+ depth = depth || 1;
+ var space = spaces * depth;
+ var str = Array.isArray(object) ? '[' : '{';
+ var end = Array.isArray(object) ? ']' : '}';
+ var length =
+ typeof object.length === 'number'
+ ? object.length
+ : Object.keys(object).length;
+ // `.repeat()` polyfill
+ function repeat(s, n) {
+ return new Array(n).join(s);
+ }
+
+ function _stringify(val) {
+ switch (canonicalType(val)) {
+ case 'null':
+ case 'undefined':
+ val = '[' + val + ']';
+ break;
+ case 'array':
+ case 'object':
+ val = jsonStringify(val, spaces, depth + 1);
+ break;
+ case 'boolean':
+ case 'regexp':
+ case 'symbol':
+ case 'number':
+ val =
+ val === 0 && 1 / val === -Infinity // `-0`
+ ? '-0'
+ : val.toString();
+ break;
+ case 'bigint':
+ val = val.toString() + 'n';
+ break;
+ case 'date':
+ var sDate = isNaN(val.getTime()) ? val.toString() : val.toISOString();
+ val = '[Date: ' + sDate + ']';
+ break;
+ case 'buffer':
+ var json = val.toJSON();
+ // Based on the toJSON result
+ json = json.data && json.type ? json.data : json;
+ val = '[Buffer: ' + jsonStringify(json, 2, depth + 1) + ']';
+ break;
+ default:
+ val =
+ val === '[Function]' || val === '[Circular]'
+ ? val
+ : JSON.stringify(val); // string
+ }
+ return val;
+ }
+
+ for (var i in object) {
+ if (!Object.prototype.hasOwnProperty.call(object, i)) {
+ continue; // not my business
+ }
+ --length;
+ str +=
+ '\n ' +
+ repeat(' ', space) +
+ (Array.isArray(object) ? '' : '"' + i + '": ') + // key
+ _stringify(object[i]) + // value
+ (length ? ',' : ''); // comma
+ }
+
+ return (
+ str +
+ // [], {}
+ (str.length !== 1 ? '\n' + repeat(' ', --space) + end : end)
+ );
+ }
+
+ /**
+ * Return a new Thing that has the keys in sorted order. Recursive.
+ *
+ * If the Thing...
+ * - has already been seen, return string `'[Circular]'`
+ * - is `undefined`, return string `'[undefined]'`
+ * - is `null`, return value `null`
+ * - is some other primitive, return the value
+ * - is not a primitive or an `Array`, `Object`, or `Function`, return the value of the Thing's `toString()` method
+ * - is a non-empty `Array`, `Object`, or `Function`, return the result of calling this function again.
+ * - is an empty `Array`, `Object`, or `Function`, return the result of calling `emptyRepresentation()`
+ *
+ * @private
+ * @see {@link exports.stringify}
+ * @param {*} value Thing to inspect. May or may not have properties.
+ * @param {Array} [stack=[]] Stack of seen values
+ * @param {string} [typeHint] Type hint
+ * @return {(Object|Array|Function|string|undefined)}
+ */
+ exports.canonicalize = function canonicalize(value, stack, typeHint) {
+ var canonicalizedObj;
+ /* eslint-disable no-unused-vars */
+ var prop;
+ /* eslint-enable no-unused-vars */
+ typeHint = typeHint || canonicalType(value);
+ function withStack(value, fn) {
+ stack.push(value);
+ fn();
+ stack.pop();
+ }
+
+ stack = stack || [];
+
+ if (stack.indexOf(value) !== -1) {
+ return '[Circular]';
+ }
+
+ switch (typeHint) {
+ case 'undefined':
+ case 'buffer':
+ case 'null':
+ canonicalizedObj = value;
+ break;
+ case 'array':
+ withStack(value, function () {
+ canonicalizedObj = value.map(function (item) {
+ return exports.canonicalize(item, stack);
+ });
+ });
+ break;
+ case 'function':
+ /* eslint-disable-next-line no-unused-vars, no-unreachable-loop */
+ for (prop in value) {
+ canonicalizedObj = {};
+ break;
+ }
+ /* eslint-enable guard-for-in */
+ if (!canonicalizedObj) {
+ canonicalizedObj = emptyRepresentation(value, typeHint);
+ break;
+ }
+ /* falls through */
+ case 'object':
+ canonicalizedObj = canonicalizedObj || {};
+ withStack(value, function () {
+ Object.keys(value)
+ .sort()
+ .forEach(function (key) {
+ canonicalizedObj[key] = exports.canonicalize(value[key], stack);
+ });
+ });
+ break;
+ case 'date':
+ case 'number':
+ case 'regexp':
+ case 'boolean':
+ case 'symbol':
+ canonicalizedObj = value;
+ break;
+ default:
+ canonicalizedObj = value + '';
+ }
+
+ return canonicalizedObj;
+ };
+
+ /**
+ * @summary
+ * This Filter based on `mocha-clean` module.(see: `github.com/rstacruz/mocha-clean`)
+ * @description
+ * When invoking this function you get a filter function that get the Error.stack as an input,
+ * and return a prettify output.
+ * (i.e: strip Mocha and internal node functions from stack trace).
+ * @returns {Function}
+ */
+ exports.stackTraceFilter = function () {
+ // TODO: Replace with `process.browser`
+ var is = typeof document === 'undefined' ? {node: true} : {browser: true};
+ var slash = path.sep;
+ var cwd;
+ if (is.node) {
+ cwd = exports.cwd() + slash;
+ } else {
+ cwd = (
+ typeof location === 'undefined' ? window.location : location
+ ).href.replace(/\/[^/]*$/, '/');
+ slash = '/';
+ }
+
+ function isMochaInternal(line) {
+ return (
+ ~line.indexOf('node_modules' + slash + 'mocha' + slash) ||
+ ~line.indexOf(slash + 'mocha.js') ||
+ ~line.indexOf(slash + 'mocha.min.js')
+ );
+ }
+
+ function isNodeInternal(line) {
+ return (
+ ~line.indexOf('(timers.js:') ||
+ ~line.indexOf('(events.js:') ||
+ ~line.indexOf('(node.js:') ||
+ ~line.indexOf('(module.js:') ||
+ ~line.indexOf('GeneratorFunctionPrototype.next (native)') ||
+ false
+ );
+ }
+
+ return function (stack) {
+ stack = stack.split('\n');
+
+ stack = stack.reduce(function (list, line) {
+ if (isMochaInternal(line)) {
+ return list;
+ }
+
+ if (is.node && isNodeInternal(line)) {
+ return list;
+ }
+
+ // Clean up cwd(absolute)
+ if (/:\d+:\d+\)?$/.test(line)) {
+ line = line.replace('(' + cwd, '(');
+ }
+
+ list.push(line);
+ return list;
+ }, []);
+
+ return stack.join('\n');
+ };
+ };
+
+ /**
+ * Crude, but effective.
+ * @public
+ * @param {*} value
+ * @returns {boolean} Whether or not `value` is a Promise
+ */
+ exports.isPromise = function isPromise(value) {
+ return (
+ typeof value === 'object' &&
+ value !== null &&
+ typeof value.then === 'function'
+ );
+ };
+
+ /**
+ * Clamps a numeric value to an inclusive range.
+ *
+ * @param {number} value - Value to be clamped.
+ * @param {number[]} range - Two element array specifying [min, max] range.
+ * @returns {number} clamped value
+ */
+ exports.clamp = function clamp(value, range) {
+ return Math.min(Math.max(value, range[0]), range[1]);
+ };
+
+ /**
+ * It's a noop.
+ * @public
+ */
+ exports.noop = function () {};
+
+ /**
+ * Creates a map-like object.
+ *
+ * @description
+ * A "map" is an object with no prototype, for our purposes. In some cases
+ * this would be more appropriate than a `Map`, especially if your environment
+ * doesn't support it. Recommended for use in Mocha's public APIs.
+ *
+ * @public
+ * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#Custom_and_Null_objects|MDN:Map}
+ * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create#Custom_and_Null_objects|MDN:Object.create - Custom objects}
+ * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign#Custom_and_Null_objects|MDN:Object.assign}
+ * @param {...*} [obj] - Arguments to `Object.assign()`.
+ * @returns {Object} An object with no prototype, having `...obj` properties
+ */
+ exports.createMap = function (obj) {
+ return Object.assign.apply(
+ null,
+ [Object.create(null)].concat(Array.prototype.slice.call(arguments))
+ );
+ };
+
+ /**
+ * Creates a read-only map-like object.
+ *
+ * @description
+ * This differs from {@link module:utils.createMap createMap} only in that
+ * the argument must be non-empty, because the result is frozen.
+ *
+ * @see {@link module:utils.createMap createMap}
+ * @param {...*} [obj] - Arguments to `Object.assign()`.
+ * @returns {Object} A frozen object with no prototype, having `...obj` properties
+ * @throws {TypeError} if argument is not a non-empty object.
+ */
+ exports.defineConstants = function (obj) {
+ if (canonicalType(obj) !== 'object' || !Object.keys(obj).length) {
+ throw new TypeError('Invalid argument; expected a non-empty object');
+ }
+ return Object.freeze(exports.createMap(obj));
+ };
+
+ /**
+ * Returns current working directory
+ *
+ * Wrapper around `process.cwd()` for isolation
+ * @private
+ */
+ exports.cwd = function cwd() {
+ return process.cwd();
+ };
+
+ /**
+ * Returns `true` if Mocha is running in a browser.
+ * Checks for `process.browser`.
+ * @returns {boolean}
+ * @private
+ */
+ exports.isBrowser = function isBrowser() {
+ return Boolean(browser$2);
+ };
+
+ /*
+ * Casts `value` to an array; useful for optionally accepting array parameters
+ *
+ * It follows these rules, depending on `value`. If `value` is...
+ * 1. `undefined`: return an empty Array
+ * 2. `null`: return an array with a single `null` element
+ * 3. Any other object: return the value of `Array.from()` _if_ the object is iterable
+ * 4. otherwise: return an array with a single element, `value`
+ * @param {*} value - Something to cast to an Array
+ * @returns {Array<*>}
+ */
+ exports.castArray = function castArray(value) {
+ if (value === undefined) {
+ return [];
+ }
+ if (value === null) {
+ return [null];
+ }
+ if (
+ typeof value === 'object' &&
+ (typeof value[Symbol.iterator] === 'function' || value.length !== undefined)
+ ) {
+ return Array.from(value);
+ }
+ return [value];
+ };
+
+ exports.constants = exports.defineConstants({
+ MOCHA_ID_PROP_NAME
+ });
+
+ /**
+ * Creates a new unique identifier
+ * @returns {string} Unique identifier
+ */
+ exports.uniqueID = () => nanoid();
+
+ exports.assignNewMochaID = obj => {
+ const id = exports.uniqueID();
+ Object.defineProperty(obj, MOCHA_ID_PROP_NAME, {
+ get() {
+ return id;
+ }
+ });
+ return obj;
+ };
+
+ /**
+ * Retrieves a Mocha ID from an object, if present.
+ * @param {*} [obj] - Object
+ * @returns {string|void}
+ */
+ exports.getMochaID = obj =>
+ obj && typeof obj === 'object' ? obj[MOCHA_ID_PROP_NAME] : undefined;
+ }(utils$3));
+
+ var _nodeResolve_empty = {};
+
+ var _nodeResolve_empty$1 = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ 'default': _nodeResolve_empty
+ });
+
+ var require$$18 = /*@__PURE__*/getAugmentedNamespace(_nodeResolve_empty$1);
+
+ var browser$1 = {
+ info: 'ℹ️',
+ success: '✅',
+ warning: '⚠️',
+ error: '❌️'
+ };
+
+ var require$$0 = /*@__PURE__*/getAugmentedNamespace(_polyfillNode_events);
+
+ /**
+ @module Pending
+ */
+
+ var pending = Pending$2;
+
+ /**
+ * Initialize a new `Pending` error with the given message.
+ *
+ * @param {string} message
+ */
+ function Pending$2(message) {
+ this.message = message;
+ }
+
+ var browser = {exports: {}};
+
+ /**
+ * Helpers.
+ */
+
+ var s = 1000;
+ var m = s * 60;
+ var h = m * 60;
+ var d = h * 24;
+ var w = d * 7;
+ var y = d * 365.25;
+
+ /**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ * - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+ var ms = function(val, options) {
+ options = options || {};
+ var type = typeof val;
+ if (type === 'string' && val.length > 0) {
+ return parse(val);
+ } else if (type === 'number' && isFinite(val)) {
+ return options.long ? fmtLong(val) : fmtShort(val);
+ }
+ throw new Error(
+ 'val is not a non-empty string or a valid number. val=' +
+ JSON.stringify(val)
+ );
+ };
+
+ /**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+ function parse(str) {
+ str = String(str);
+ if (str.length > 100) {
+ return;
+ }
+ var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/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;
+ createDebug.destroy = destroy;
+
+ Object.keys(env).forEach(key => {
+ createDebug[key] = env[key];
+ });
+
+ /**
+ * 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 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;
+ let enableOverride = null;
+ let namespacesCache;
+ let enabledCache;
+
+ 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 '%';
+ }
+ 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.useColors = createDebug.useColors();
+ debug.color = createDebug.selectColor(namespace);
+ debug.extend = extend;
+ debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
+
+ Object.defineProperty(debug, 'enabled', {
+ enumerable: true,
+ configurable: false,
+ get: () => {
+ if (enableOverride !== null) {
+ return enableOverride;
+ }
+ if (namespacesCache !== createDebug.namespaces) {
+ namespacesCache = createDebug.namespaces;
+ enabledCache = createDebug.enabled(namespace);
+ }
+
+ return enabledCache;
+ },
+ set: v => {
+ enableOverride = v;
+ }
+ });
+
+ // Env-specific initialization logic for debug instances
+ if (typeof createDebug.init === 'function') {
+ createDebug.init(debug);
+ }
+
+ return debug;
+ }
+
+ 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.namespaces = 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.slice(1) + '$'));
+ } else {
+ createDebug.names.push(new RegExp('^' + namespaces + '$'));
+ }
+ }
+ }
+
+ /**
+ * 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;
+ }
+
+ /**
+ * XXX DO NOT USE. This is a temporary stub function.
+ * XXX It WILL be removed in the next major release.
+ */
+ function destroy() {
+ console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
+ }
+
+ createDebug.enable(createDebug.load());
+
+ return createDebug;
+ }
+
+ var common$1 = setup;
+
+ (function (module, exports) {
+ /**
+ * This is the web browser implementation of `debug()`.
+ */
+
+ exports.formatArgs = formatArgs;
+ exports.save = save;
+ exports.load = load;
+ exports.useColors = useColors;
+ exports.storage = localstorage();
+ exports.destroy = (() => {
+ let warned = false;
+
+ return () => {
+ if (!warned) {
+ warned = true;
+ console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
+ }
+ };
+ })();
+
+ /**
+ * 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.debug()` when available.
+ * No-op when `console.debug` is not a "function".
+ * If `console.debug` is not available, falls back
+ * to `console.log`.
+ *
+ * @api public
+ */
+ exports.log = console.debug || console.log || (() => {});
+
+ /**
+ * 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;
+ }
+ };
+ }(browser, browser.exports));
+
+ const {format} = require$$0$1;
+
+ /**
+ * Contains error codes, factory functions to create throwable error objects,
+ * and warning/deprecation functions.
+ * @module
+ */
+
+ /**
+ * process.emitWarning or a polyfill
+ * @see https://nodejs.org/api/process.html#process_process_emitwarning_warning_options
+ * @ignore
+ */
+ const emitWarning = (msg, type) => {
+ if (process.emitWarning) {
+ process.emitWarning(msg, type);
+ } else {
+ /* istanbul ignore next */
+ nextTick$1(function () {
+ console.warn(type + ': ' + msg);
+ });
+ }
+ };
+
+ /**
+ * Show a deprecation warning. Each distinct message is only displayed once.
+ * Ignores empty messages.
+ *
+ * @param {string} [msg] - Warning to print
+ * @private
+ */
+ const deprecate = msg => {
+ msg = String(msg);
+ if (msg && !deprecate.cache[msg]) {
+ deprecate.cache[msg] = true;
+ emitWarning(msg, 'DeprecationWarning');
+ }
+ };
+ deprecate.cache = {};
+
+ /**
+ * Show a generic warning.
+ * Ignores empty messages.
+ *
+ * @param {string} [msg] - Warning to print
+ * @private
+ */
+ const warn = msg => {
+ if (msg) {
+ emitWarning(msg);
+ }
+ };
+
+ /**
+ * When Mocha throws exceptions (or rejects `Promise`s), it attempts to assign a `code` property to the `Error` object, for easier handling. These are the potential values of `code`.
+ * @public
+ * @namespace
+ * @memberof module:lib/errors
+ */
+ var constants$4 = {
+ /**
+ * An unrecoverable error.
+ * @constant
+ * @default
+ */
+ FATAL: 'ERR_MOCHA_FATAL',
+
+ /**
+ * The type of an argument to a function call is invalid
+ * @constant
+ * @default
+ */
+ INVALID_ARG_TYPE: 'ERR_MOCHA_INVALID_ARG_TYPE',
+
+ /**
+ * The value of an argument to a function call is invalid
+ * @constant
+ * @default
+ */
+ INVALID_ARG_VALUE: 'ERR_MOCHA_INVALID_ARG_VALUE',
+
+ /**
+ * Something was thrown, but it wasn't an `Error`
+ * @constant
+ * @default
+ */
+ INVALID_EXCEPTION: 'ERR_MOCHA_INVALID_EXCEPTION',
+
+ /**
+ * An interface (e.g., `Mocha.interfaces`) is unknown or invalid
+ * @constant
+ * @default
+ */
+ INVALID_INTERFACE: 'ERR_MOCHA_INVALID_INTERFACE',
+
+ /**
+ * A reporter (.e.g, `Mocha.reporters`) is unknown or invalid
+ * @constant
+ * @default
+ */
+ INVALID_REPORTER: 'ERR_MOCHA_INVALID_REPORTER',
+
+ /**
+ * `done()` was called twice in a `Test` or `Hook` callback
+ * @constant
+ * @default
+ */
+ MULTIPLE_DONE: 'ERR_MOCHA_MULTIPLE_DONE',
+
+ /**
+ * No files matched the pattern provided by the user
+ * @constant
+ * @default
+ */
+ NO_FILES_MATCH_PATTERN: 'ERR_MOCHA_NO_FILES_MATCH_PATTERN',
+
+ /**
+ * Known, but unsupported behavior of some kind
+ * @constant
+ * @default
+ */
+ UNSUPPORTED: 'ERR_MOCHA_UNSUPPORTED',
+
+ /**
+ * Invalid state transition occurring in `Mocha` instance
+ * @constant
+ * @default
+ */
+ INSTANCE_ALREADY_RUNNING: 'ERR_MOCHA_INSTANCE_ALREADY_RUNNING',
+
+ /**
+ * Invalid state transition occurring in `Mocha` instance
+ * @constant
+ * @default
+ */
+ INSTANCE_ALREADY_DISPOSED: 'ERR_MOCHA_INSTANCE_ALREADY_DISPOSED',
+
+ /**
+ * Use of `only()` w/ `--forbid-only` results in this error.
+ * @constant
+ * @default
+ */
+ FORBIDDEN_EXCLUSIVITY: 'ERR_MOCHA_FORBIDDEN_EXCLUSIVITY',
+
+ /**
+ * To be thrown when a user-defined plugin implementation (e.g., `mochaHooks`) is invalid
+ * @constant
+ * @default
+ */
+ INVALID_PLUGIN_IMPLEMENTATION: 'ERR_MOCHA_INVALID_PLUGIN_IMPLEMENTATION',
+
+ /**
+ * To be thrown when a builtin or third-party plugin definition (the _definition_ of `mochaHooks`) is invalid
+ * @constant
+ * @default
+ */
+ INVALID_PLUGIN_DEFINITION: 'ERR_MOCHA_INVALID_PLUGIN_DEFINITION',
+
+ /**
+ * When a runnable exceeds its allowed run time.
+ * @constant
+ * @default
+ */
+ TIMEOUT: 'ERR_MOCHA_TIMEOUT',
+
+ /**
+ * Input file is not able to be parsed
+ * @constant
+ * @default
+ */
+ UNPARSABLE_FILE: 'ERR_MOCHA_UNPARSABLE_FILE'
+ };
+
+ /**
+ * A set containing all string values of all Mocha error constants, for use by {@link isMochaError}.
+ * @private
+ */
+ const MOCHA_ERRORS = new Set(Object.values(constants$4));
+
+ /**
+ * Creates an error object to be thrown when no files to be tested could be found using specified pattern.
+ *
+ * @public
+ * @static
+ * @param {string} message - Error message to be displayed.
+ * @param {string} pattern - User-specified argument value.
+ * @returns {Error} instance detailing the error condition
+ */
+ function createNoFilesMatchPatternError(message, pattern) {
+ var err = new Error(message);
+ err.code = constants$4.NO_FILES_MATCH_PATTERN;
+ err.pattern = pattern;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when the reporter specified in the options was not found.
+ *
+ * @public
+ * @param {string} message - Error message to be displayed.
+ * @param {string} reporter - User-specified reporter value.
+ * @returns {Error} instance detailing the error condition
+ */
+ function createInvalidReporterError(message, reporter) {
+ var err = new TypeError(message);
+ err.code = constants$4.INVALID_REPORTER;
+ err.reporter = reporter;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when the interface specified in the options was not found.
+ *
+ * @public
+ * @static
+ * @param {string} message - Error message to be displayed.
+ * @param {string} ui - User-specified interface value.
+ * @returns {Error} instance detailing the error condition
+ */
+ function createInvalidInterfaceError(message, ui) {
+ var err = new Error(message);
+ err.code = constants$4.INVALID_INTERFACE;
+ err.interface = ui;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when a behavior, option, or parameter is unsupported.
+ *
+ * @public
+ * @static
+ * @param {string} message - Error message to be displayed.
+ * @returns {Error} instance detailing the error condition
+ */
+ function createUnsupportedError$2(message) {
+ var err = new Error(message);
+ err.code = constants$4.UNSUPPORTED;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when an argument is missing.
+ *
+ * @public
+ * @static
+ * @param {string} message - Error message to be displayed.
+ * @param {string} argument - Argument name.
+ * @param {string} expected - Expected argument datatype.
+ * @returns {Error} instance detailing the error condition
+ */
+ function createMissingArgumentError$1(message, argument, expected) {
+ return createInvalidArgumentTypeError$1(message, argument, expected);
+ }
+
+ /**
+ * Creates an error object to be thrown when an argument did not use the supported type
+ *
+ * @public
+ * @static
+ * @param {string} message - Error message to be displayed.
+ * @param {string} argument - Argument name.
+ * @param {string} expected - Expected argument datatype.
+ * @returns {Error} instance detailing the error condition
+ */
+ function createInvalidArgumentTypeError$1(message, argument, expected) {
+ var err = new TypeError(message);
+ err.code = constants$4.INVALID_ARG_TYPE;
+ err.argument = argument;
+ err.expected = expected;
+ err.actual = typeof argument;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when an argument did not use the supported value
+ *
+ * @public
+ * @static
+ * @param {string} message - Error message to be displayed.
+ * @param {string} argument - Argument name.
+ * @param {string} value - Argument value.
+ * @param {string} [reason] - Why value is invalid.
+ * @returns {Error} instance detailing the error condition
+ */
+ function createInvalidArgumentValueError(message, argument, value, reason) {
+ var err = new TypeError(message);
+ err.code = constants$4.INVALID_ARG_VALUE;
+ err.argument = argument;
+ err.value = value;
+ err.reason = typeof reason !== 'undefined' ? reason : 'is invalid';
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when an exception was caught, but the `Error` is falsy or undefined.
+ *
+ * @public
+ * @static
+ * @param {string} message - Error message to be displayed.
+ * @returns {Error} instance detailing the error condition
+ */
+ function createInvalidExceptionError$2(message, value) {
+ var err = new Error(message);
+ err.code = constants$4.INVALID_EXCEPTION;
+ err.valueType = typeof value;
+ err.value = value;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when an unrecoverable error occurs.
+ *
+ * @public
+ * @static
+ * @param {string} message - Error message to be displayed.
+ * @returns {Error} instance detailing the error condition
+ */
+ function createFatalError$1(message, value) {
+ var err = new Error(message);
+ err.code = constants$4.FATAL;
+ err.valueType = typeof value;
+ err.value = value;
+ return err;
+ }
+
+ /**
+ * Dynamically creates a plugin-type-specific error based on plugin type
+ * @param {string} message - Error message
+ * @param {"reporter"|"ui"} pluginType - Plugin type. Future: expand as needed
+ * @param {string} [pluginId] - Name/path of plugin, if any
+ * @throws When `pluginType` is not known
+ * @public
+ * @static
+ * @returns {Error}
+ */
+ function createInvalidLegacyPluginError(message, pluginType, pluginId) {
+ switch (pluginType) {
+ case 'reporter':
+ return createInvalidReporterError(message, pluginId);
+ case 'ui':
+ return createInvalidInterfaceError(message, pluginId);
+ default:
+ throw new Error('unknown pluginType "' + pluginType + '"');
+ }
+ }
+
+ /**
+ * **DEPRECATED**. Use {@link createInvalidLegacyPluginError} instead Dynamically creates a plugin-type-specific error based on plugin type
+ * @deprecated
+ * @param {string} message - Error message
+ * @param {"reporter"|"interface"} pluginType - Plugin type. Future: expand as needed
+ * @param {string} [pluginId] - Name/path of plugin, if any
+ * @throws When `pluginType` is not known
+ * @public
+ * @static
+ * @returns {Error}
+ */
+ function createInvalidPluginError(...args) {
+ deprecate('Use createInvalidLegacyPluginError() instead');
+ return createInvalidLegacyPluginError(...args);
+ }
+
+ /**
+ * Creates an error object to be thrown when a mocha object's `run` method is executed while it is already disposed.
+ * @param {string} message The error message to be displayed.
+ * @param {boolean} cleanReferencesAfterRun the value of `cleanReferencesAfterRun`
+ * @param {Mocha} instance the mocha instance that throw this error
+ * @static
+ */
+ function createMochaInstanceAlreadyDisposedError(
+ message,
+ cleanReferencesAfterRun,
+ instance
+ ) {
+ var err = new Error(message);
+ err.code = constants$4.INSTANCE_ALREADY_DISPOSED;
+ err.cleanReferencesAfterRun = cleanReferencesAfterRun;
+ err.instance = instance;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when a mocha object's `run` method is called while a test run is in progress.
+ * @param {string} message The error message to be displayed.
+ * @static
+ * @public
+ */
+ function createMochaInstanceAlreadyRunningError(message, instance) {
+ var err = new Error(message);
+ err.code = constants$4.INSTANCE_ALREADY_RUNNING;
+ err.instance = instance;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when done() is called multiple times in a test
+ *
+ * @public
+ * @param {Runnable} runnable - Original runnable
+ * @param {Error} [originalErr] - Original error, if any
+ * @returns {Error} instance detailing the error condition
+ * @static
+ */
+ function createMultipleDoneError$1(runnable, originalErr) {
+ var title;
+ try {
+ title = format('<%s>', runnable.fullTitle());
+ if (runnable.parent.root) {
+ title += ' (of root suite)';
+ }
+ } catch (ignored) {
+ title = format('<%s> (of unknown suite)', runnable.title);
+ }
+ var message = format(
+ 'done() called multiple times in %s %s',
+ runnable.type ? runnable.type : 'unknown runnable',
+ title
+ );
+ if (runnable.file) {
+ message += format(' of file %s', runnable.file);
+ }
+ if (originalErr) {
+ message += format('; in addition, done() received error: %s', originalErr);
+ }
+
+ var err = new Error(message);
+ err.code = constants$4.MULTIPLE_DONE;
+ err.valueType = typeof originalErr;
+ err.value = originalErr;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when `.only()` is used with
+ * `--forbid-only`.
+ * @static
+ * @public
+ * @param {Mocha} mocha - Mocha instance
+ * @returns {Error} Error with code {@link constants.FORBIDDEN_EXCLUSIVITY}
+ */
+ function createForbiddenExclusivityError$1(mocha) {
+ var err = new Error(
+ mocha.isWorker
+ ? '`.only` is not supported in parallel mode'
+ : '`.only` forbidden by --forbid-only'
+ );
+ err.code = constants$4.FORBIDDEN_EXCLUSIVITY;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when a plugin definition is invalid
+ * @static
+ * @param {string} msg - Error message
+ * @param {PluginDefinition} [pluginDef] - Problematic plugin definition
+ * @public
+ * @returns {Error} Error with code {@link constants.INVALID_PLUGIN_DEFINITION}
+ */
+ function createInvalidPluginDefinitionError(msg, pluginDef) {
+ const err = new Error(msg);
+ err.code = constants$4.INVALID_PLUGIN_DEFINITION;
+ err.pluginDef = pluginDef;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when a plugin implementation (user code) is invalid
+ * @static
+ * @param {string} msg - Error message
+ * @param {Object} [opts] - Plugin definition and user-supplied implementation
+ * @param {PluginDefinition} [opts.pluginDef] - Plugin Definition
+ * @param {*} [opts.pluginImpl] - Plugin Implementation (user-supplied)
+ * @public
+ * @returns {Error} Error with code {@link constants.INVALID_PLUGIN_DEFINITION}
+ */
+ function createInvalidPluginImplementationError(
+ msg,
+ {pluginDef, pluginImpl} = {}
+ ) {
+ const err = new Error(msg);
+ err.code = constants$4.INVALID_PLUGIN_IMPLEMENTATION;
+ err.pluginDef = pluginDef;
+ err.pluginImpl = pluginImpl;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when a runnable exceeds its allowed run time.
+ * @static
+ * @param {string} msg - Error message
+ * @param {number} [timeout] - Timeout in ms
+ * @param {string} [file] - File, if given
+ * @returns {MochaTimeoutError}
+ */
+ function createTimeoutError$1(msg, timeout, file) {
+ const err = new Error(msg);
+ err.code = constants$4.TIMEOUT;
+ err.timeout = timeout;
+ err.file = file;
+ return err;
+ }
+
+ /**
+ * Creates an error object to be thrown when file is unparsable
+ * @public
+ * @static
+ * @param {string} message - Error message to be displayed.
+ * @param {string} filename - File name
+ * @returns {Error} Error with code {@link constants.UNPARSABLE_FILE}
+ */
+ function createUnparsableFileError(message, filename) {
+ var err = new Error(message);
+ err.code = constants$4.UNPARSABLE_FILE;
+ return err;
+ }
+
+ /**
+ * Returns `true` if an error came out of Mocha.
+ * _Can suffer from false negatives, but not false positives._
+ * @static
+ * @public
+ * @param {*} err - Error, or anything
+ * @returns {boolean}
+ */
+ const isMochaError$1 = err =>
+ Boolean(err && typeof err === 'object' && MOCHA_ERRORS.has(err.code));
+
+ var errors$2 = {
+ constants: constants$4,
+ createFatalError: createFatalError$1,
+ createForbiddenExclusivityError: createForbiddenExclusivityError$1,
+ createInvalidArgumentTypeError: createInvalidArgumentTypeError$1,
+ createInvalidArgumentValueError,
+ createInvalidExceptionError: createInvalidExceptionError$2,
+ createInvalidInterfaceError,
+ createInvalidLegacyPluginError,
+ createInvalidPluginDefinitionError,
+ createInvalidPluginError,
+ createInvalidPluginImplementationError,
+ createInvalidReporterError,
+ createMissingArgumentError: createMissingArgumentError$1,
+ createMochaInstanceAlreadyDisposedError,
+ createMochaInstanceAlreadyRunningError,
+ createMultipleDoneError: createMultipleDoneError$1,
+ createNoFilesMatchPatternError,
+ createTimeoutError: createTimeoutError$1,
+ createUnparsableFileError,
+ createUnsupportedError: createUnsupportedError$2,
+ deprecate,
+ isMochaError: isMochaError$1,
+ warn
+ };
+
+ var EventEmitter$1 = require$$0.EventEmitter;
+ var Pending$1 = pending;
+ var debug$1 = browser.exports('mocha:runnable');
+ var milliseconds = ms$1;
+ var utils$2 = utils$3;
+ const {
+ createInvalidExceptionError: createInvalidExceptionError$1,
+ createMultipleDoneError,
+ createTimeoutError
+ } = errors$2;
+
+ /**
+ * Save timer references to avoid Sinon interfering (see GH-237).
+ * @private
+ */
+ var Date$3 = commonjsGlobal.Date;
+ var setTimeout$2 = commonjsGlobal.setTimeout;
+ var clearTimeout$1 = commonjsGlobal.clearTimeout;
+ var toString = Object.prototype.toString;
+
+ var runnable = Runnable$3;
+
+ /**
+ * Initialize a new `Runnable` with the given `title` and callback `fn`.
+ *
+ * @class
+ * @extends external:EventEmitter
+ * @public
+ * @param {String} title
+ * @param {Function} fn
+ */
+ function Runnable$3(title, fn) {
+ this.title = title;
+ this.fn = fn;
+ this.body = (fn || '').toString();
+ this.async = fn && fn.length;
+ this.sync = !this.async;
+ this._timeout = 2000;
+ this._slow = 75;
+ this._retries = -1;
+ utils$2.assignNewMochaID(this);
+ Object.defineProperty(this, 'id', {
+ get() {
+ return utils$2.getMochaID(this);
+ }
+ });
+ this.reset();
+ }
+
+ /**
+ * Inherit from `EventEmitter.prototype`.
+ */
+ utils$2.inherits(Runnable$3, EventEmitter$1);
+
+ /**
+ * Resets the state initially or for a next run.
+ */
+ Runnable$3.prototype.reset = function () {
+ this.timedOut = false;
+ this._currentRetry = 0;
+ this.pending = false;
+ delete this.state;
+ delete this.err;
+ };
+
+ /**
+ * Get current timeout value in msecs.
+ *
+ * @private
+ * @returns {number} current timeout threshold value
+ */
+ /**
+ * @summary
+ * Set timeout threshold value (msecs).
+ *
+ * @description
+ * A string argument can use shorthand (e.g., "2s") and will be converted.
+ * The value will be clamped to range [0, 2^31-1].
+ * If clamped value matches either range endpoint, timeouts will be disabled.
+ *
+ * @private
+ * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout#Maximum_delay_value}
+ * @param {number|string} ms - Timeout threshold value.
+ * @returns {Runnable} this
+ * @chainable
+ */
+ Runnable$3.prototype.timeout = function (ms) {
+ if (!arguments.length) {
+ return this._timeout;
+ }
+ if (typeof ms === 'string') {
+ ms = milliseconds(ms);
+ }
+
+ // Clamp to range
+ var INT_MAX = Math.pow(2, 31) - 1;
+ var range = [0, INT_MAX];
+ ms = utils$2.clamp(ms, range);
+
+ // see #1652 for reasoning
+ if (ms === range[0] || ms === range[1]) {
+ this._timeout = 0;
+ } else {
+ this._timeout = ms;
+ }
+ debug$1('timeout %d', this._timeout);
+
+ if (this.timer) {
+ this.resetTimeout();
+ }
+ return this;
+ };
+
+ /**
+ * Set or get slow `ms`.
+ *
+ * @private
+ * @param {number|string} ms
+ * @return {Runnable|number} ms or Runnable instance.
+ */
+ Runnable$3.prototype.slow = function (ms) {
+ if (!arguments.length || typeof ms === 'undefined') {
+ return this._slow;
+ }
+ if (typeof ms === 'string') {
+ ms = milliseconds(ms);
+ }
+ debug$1('slow %d', ms);
+ this._slow = ms;
+ return this;
+ };
+
+ /**
+ * Halt and mark as pending.
+ *
+ * @memberof Mocha.Runnable
+ * @public
+ */
+ Runnable$3.prototype.skip = function () {
+ this.pending = true;
+ throw new Pending$1('sync skip; aborting execution');
+ };
+
+ /**
+ * Check if this runnable or its parent suite is marked as pending.
+ *
+ * @private
+ */
+ Runnable$3.prototype.isPending = function () {
+ return this.pending || (this.parent && this.parent.isPending());
+ };
+
+ /**
+ * Return `true` if this Runnable has failed.
+ * @return {boolean}
+ * @private
+ */
+ Runnable$3.prototype.isFailed = function () {
+ return !this.isPending() && this.state === constants$3.STATE_FAILED;
+ };
+
+ /**
+ * Return `true` if this Runnable has passed.
+ * @return {boolean}
+ * @private
+ */
+ Runnable$3.prototype.isPassed = function () {
+ return !this.isPending() && this.state === constants$3.STATE_PASSED;
+ };
+
+ /**
+ * Set or get number of retries.
+ *
+ * @private
+ */
+ Runnable$3.prototype.retries = function (n) {
+ if (!arguments.length) {
+ return this._retries;
+ }
+ this._retries = n;
+ };
+
+ /**
+ * Set or get current retry
+ *
+ * @private
+ */
+ Runnable$3.prototype.currentRetry = function (n) {
+ if (!arguments.length) {
+ return this._currentRetry;
+ }
+ this._currentRetry = n;
+ };
+
+ /**
+ * Return the full title generated by recursively concatenating the parent's
+ * full title.
+ *
+ * @memberof Mocha.Runnable
+ * @public
+ * @return {string}
+ */
+ Runnable$3.prototype.fullTitle = function () {
+ return this.titlePath().join(' ');
+ };
+
+ /**
+ * Return the title path generated by concatenating the parent's title path with the title.
+ *
+ * @memberof Mocha.Runnable
+ * @public
+ * @return {string}
+ */
+ Runnable$3.prototype.titlePath = function () {
+ return this.parent.titlePath().concat([this.title]);
+ };
+
+ /**
+ * Clear the timeout.
+ *
+ * @private
+ */
+ Runnable$3.prototype.clearTimeout = function () {
+ clearTimeout$1(this.timer);
+ };
+
+ /**
+ * Reset the timeout.
+ *
+ * @private
+ */
+ Runnable$3.prototype.resetTimeout = function () {
+ var self = this;
+ var ms = this.timeout();
+
+ if (ms === 0) {
+ return;
+ }
+ this.clearTimeout();
+ this.timer = setTimeout$2(function () {
+ if (self.timeout() === 0) {
+ return;
+ }
+ self.callback(self._timeoutError(ms));
+ self.timedOut = true;
+ }, ms);
+ };
+
+ /**
+ * Set or get a list of whitelisted globals for this test run.
+ *
+ * @private
+ * @param {string[]} globals
+ */
+ Runnable$3.prototype.globals = function (globals) {
+ if (!arguments.length) {
+ return this._allowedGlobals;
+ }
+ this._allowedGlobals = globals;
+ };
+
+ /**
+ * Run the test and invoke `fn(err)`.
+ *
+ * @param {Function} fn
+ * @private
+ */
+ Runnable$3.prototype.run = function (fn) {
+ var self = this;
+ var start = new Date$3();
+ var ctx = this.ctx;
+ var finished;
+ var errorWasHandled = false;
+
+ if (this.isPending()) return fn();
+
+ // Sometimes the ctx exists, but it is not runnable
+ if (ctx && ctx.runnable) {
+ ctx.runnable(this);
+ }
+
+ // called multiple times
+ function multiple(err) {
+ if (errorWasHandled) {
+ return;
+ }
+ errorWasHandled = true;
+ self.emit('error', createMultipleDoneError(self, err));
+ }
+
+ // finished
+ function done(err) {
+ var ms = self.timeout();
+ if (self.timedOut) {
+ return;
+ }
+
+ if (finished) {
+ return multiple(err);
+ }
+
+ self.clearTimeout();
+ self.duration = new Date$3() - start;
+ finished = true;
+ if (!err && self.duration > ms && ms > 0) {
+ err = self._timeoutError(ms);
+ }
+ fn(err);
+ }
+
+ // for .resetTimeout() and Runner#uncaught()
+ this.callback = done;
+
+ if (this.fn && typeof this.fn.call !== 'function') {
+ done(
+ new TypeError(
+ 'A runnable must be passed a function as its second argument.'
+ )
+ );
+ return;
+ }
+
+ // explicit async with `done` argument
+ if (this.async) {
+ this.resetTimeout();
+
+ // allows skip() to be used in an explicit async context
+ this.skip = function asyncSkip() {
+ this.pending = true;
+ done();
+ // halt execution, the uncaught handler will ignore the failure.
+ throw new Pending$1('async skip; aborting execution');
+ };
+
+ try {
+ callFnAsync(this.fn);
+ } catch (err) {
+ // handles async runnables which actually run synchronously
+ errorWasHandled = true;
+ if (err instanceof Pending$1) {
+ return; // done() is already called in this.skip()
+ } else if (this.allowUncaught) {
+ throw err;
+ }
+ done(Runnable$3.toValueOrError(err));
+ }
+ return;
+ }
+
+ // sync or promise-returning
+ try {
+ callFn(this.fn);
+ } catch (err) {
+ errorWasHandled = true;
+ if (err instanceof Pending$1) {
+ return done();
+ } else if (this.allowUncaught) {
+ throw err;
+ }
+ done(Runnable$3.toValueOrError(err));
+ }
+
+ function callFn(fn) {
+ var result = fn.call(ctx);
+ if (result && typeof result.then === 'function') {
+ self.resetTimeout();
+ result.then(
+ function () {
+ done();
+ // Return null so libraries like bluebird do not warn about
+ // subsequently constructed Promises.
+ return null;
+ },
+ function (reason) {
+ done(reason || new Error('Promise rejected with no or falsy reason'));
+ }
+ );
+ } else {
+ if (self.asyncOnly) {
+ return done(
+ new Error(
+ '--async-only option in use without declaring `done()` or returning a promise'
+ )
+ );
+ }
+
+ done();
+ }
+ }
+
+ function callFnAsync(fn) {
+ var result = fn.call(ctx, function (err) {
+ if (err instanceof Error || toString.call(err) === '[object Error]') {
+ return done(err);
+ }
+ if (err) {
+ if (Object.prototype.toString.call(err) === '[object Object]') {
+ return done(
+ new Error('done() invoked with non-Error: ' + JSON.stringify(err))
+ );
+ }
+ return done(new Error('done() invoked with non-Error: ' + err));
+ }
+ if (result && utils$2.isPromise(result)) {
+ return done(
+ new Error(
+ 'Resolution method is overspecified. Specify a callback *or* return a Promise; not both.'
+ )
+ );
+ }
+
+ done();
+ });
+ }
+ };
+
+ /**
+ * Instantiates a "timeout" error
+ *
+ * @param {number} ms - Timeout (in milliseconds)
+ * @returns {Error} a "timeout" error
+ * @private
+ */
+ Runnable$3.prototype._timeoutError = function (ms) {
+ let msg = `Timeout of ${ms}ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves.`;
+ if (this.file) {
+ msg += ' (' + this.file + ')';
+ }
+ return createTimeoutError(msg, ms, this.file);
+ };
+
+ var constants$3 = utils$2.defineConstants(
+ /**
+ * {@link Runnable}-related constants.
+ * @public
+ * @memberof Runnable
+ * @readonly
+ * @static
+ * @alias constants
+ * @enum {string}
+ */
+ {
+ /**
+ * Value of `state` prop when a `Runnable` has failed
+ */
+ STATE_FAILED: 'failed',
+ /**
+ * Value of `state` prop when a `Runnable` has passed
+ */
+ STATE_PASSED: 'passed',
+ /**
+ * Value of `state` prop when a `Runnable` has been skipped by user
+ */
+ STATE_PENDING: 'pending'
+ }
+ );
+
+ /**
+ * Given `value`, return identity if truthy, otherwise create an "invalid exception" error and return that.
+ * @param {*} [value] - Value to return, if present
+ * @returns {*|Error} `value`, otherwise an `Error`
+ * @private
+ */
+ Runnable$3.toValueOrError = function (value) {
+ return (
+ value ||
+ createInvalidExceptionError$1(
+ 'Runnable failed with falsy or undefined exception. Please throw an Error instead.',
+ value
+ )
+ );
+ };
+
+ Runnable$3.constants = constants$3;
+
+ var suite = {exports: {}};
+
+ var Runnable$2 = runnable;
+ const {inherits, constants: constants$2} = utils$3;
+ const {MOCHA_ID_PROP_NAME: MOCHA_ID_PROP_NAME$1} = constants$2;
+
+ /**
+ * Expose `Hook`.
+ */
+
+ var hook = Hook;
+
+ /**
+ * Initialize a new `Hook` with the given `title` and callback `fn`
+ *
+ * @class
+ * @extends Runnable
+ * @param {String} title
+ * @param {Function} fn
+ */
+ function Hook(title, fn) {
+ Runnable$2.call(this, title, fn);
+ this.type = 'hook';
+ }
+
+ /**
+ * Inherit from `Runnable.prototype`.
+ */
+ inherits(Hook, Runnable$2);
+
+ /**
+ * Resets the state for a next run.
+ */
+ Hook.prototype.reset = function () {
+ Runnable$2.prototype.reset.call(this);
+ delete this._error;
+ };
+
+ /**
+ * Get or set the test `err`.
+ *
+ * @memberof Hook
+ * @public
+ * @param {Error} err
+ * @return {Error}
+ */
+ Hook.prototype.error = function (err) {
+ if (!arguments.length) {
+ err = this._error;
+ this._error = null;
+ return err;
+ }
+
+ this._error = err;
+ };
+
+ /**
+ * Returns an object suitable for IPC.
+ * Functions are represented by keys beginning with `$$`.
+ * @private
+ * @returns {Object}
+ */
+ Hook.prototype.serialize = function serialize() {
+ return {
+ $$currentRetry: this.currentRetry(),
+ $$fullTitle: this.fullTitle(),
+ $$isPending: Boolean(this.isPending()),
+ $$titlePath: this.titlePath(),
+ ctx:
+ this.ctx && this.ctx.currentTest
+ ? {
+ currentTest: {
+ title: this.ctx.currentTest.title,
+ [MOCHA_ID_PROP_NAME$1]: this.ctx.currentTest.id
+ }
+ }
+ : {},
+ duration: this.duration,
+ file: this.file,
+ parent: {
+ $$fullTitle: this.parent.fullTitle(),
+ [MOCHA_ID_PROP_NAME$1]: this.parent.id
+ },
+ state: this.state,
+ title: this.title,
+ type: this.type,
+ [MOCHA_ID_PROP_NAME$1]: this.id
+ };
+ };
+
+ (function (module, exports) {
+
+ /**
+ * Module dependencies.
+ * @private
+ */
+ const {EventEmitter} = require$$0;
+ const Hook = hook;
+ var {
+ assignNewMochaID,
+ clamp,
+ constants: utilsConstants,
+ defineConstants,
+ getMochaID,
+ inherits,
+ isString
+ } = utils$3;
+ const debug = browser.exports('mocha:suite');
+ const milliseconds = ms$1;
+ const errors = errors$2;
+
+ const {MOCHA_ID_PROP_NAME} = utilsConstants;
+
+ /**
+ * Expose `Suite`.
+ */
+
+ module.exports = Suite;
+
+ /**
+ * Create a new `Suite` with the given `title` and parent `Suite`.
+ *
+ * @public
+ * @param {Suite} parent - Parent suite (required!)
+ * @param {string} title - Title
+ * @return {Suite}
+ */
+ Suite.create = function (parent, title) {
+ var suite = new Suite(title, parent.ctx);
+ suite.parent = parent;
+ title = suite.fullTitle();
+ parent.addSuite(suite);
+ return suite;
+ };
+
+ /**
+ * Constructs a new `Suite` instance with the given `title`, `ctx`, and `isRoot`.
+ *
+ * @public
+ * @class
+ * @extends EventEmitter
+ * @see {@link https://nodejs.org/api/events.html#events_class_eventemitter|EventEmitter}
+ * @param {string} title - Suite title.
+ * @param {Context} parentContext - Parent context instance.
+ * @param {boolean} [isRoot=false] - Whether this is the root suite.
+ */
+ function Suite(title, parentContext, isRoot) {
+ if (!isString(title)) {
+ throw errors.createInvalidArgumentTypeError(
+ 'Suite argument "title" must be a string. Received type "' +
+ typeof title +
+ '"',
+ 'title',
+ 'string'
+ );
+ }
+ this.title = title;
+ function Context() {}
+ Context.prototype = parentContext;
+ this.ctx = new Context();
+ this.suites = [];
+ this.tests = [];
+ this.root = isRoot === true;
+ this.pending = false;
+ this._retries = -1;
+ this._beforeEach = [];
+ this._beforeAll = [];
+ this._afterEach = [];
+ this._afterAll = [];
+ this._timeout = 2000;
+ this._slow = 75;
+ this._bail = false;
+ this._onlyTests = [];
+ this._onlySuites = [];
+ assignNewMochaID(this);
+
+ Object.defineProperty(this, 'id', {
+ get() {
+ return getMochaID(this);
+ }
+ });
+
+ this.reset();
+ }
+
+ /**
+ * Inherit from `EventEmitter.prototype`.
+ */
+ inherits(Suite, EventEmitter);
+
+ /**
+ * Resets the state initially or for a next run.
+ */
+ Suite.prototype.reset = function () {
+ this.delayed = false;
+ function doReset(thingToReset) {
+ thingToReset.reset();
+ }
+ this.suites.forEach(doReset);
+ this.tests.forEach(doReset);
+ this._beforeEach.forEach(doReset);
+ this._afterEach.forEach(doReset);
+ this._beforeAll.forEach(doReset);
+ this._afterAll.forEach(doReset);
+ };
+
+ /**
+ * Return a clone of this `Suite`.
+ *
+ * @private
+ * @return {Suite}
+ */
+ Suite.prototype.clone = function () {
+ var suite = new Suite(this.title);
+ debug('clone');
+ suite.ctx = this.ctx;
+ suite.root = this.root;
+ suite.timeout(this.timeout());
+ suite.retries(this.retries());
+ suite.slow(this.slow());
+ suite.bail(this.bail());
+ return suite;
+ };
+
+ /**
+ * Set or get timeout `ms` or short-hand such as "2s".
+ *
+ * @private
+ * @todo Do not attempt to set value if `ms` is undefined
+ * @param {number|string} ms
+ * @return {Suite|number} for chaining
+ */
+ Suite.prototype.timeout = function (ms) {
+ if (!arguments.length) {
+ return this._timeout;
+ }
+ if (typeof ms === 'string') {
+ ms = milliseconds(ms);
+ }
+
+ // Clamp to range
+ var INT_MAX = Math.pow(2, 31) - 1;
+ var range = [0, INT_MAX];
+ ms = clamp(ms, range);
+
+ debug('timeout %d', ms);
+ this._timeout = parseInt(ms, 10);
+ return this;
+ };
+
+ /**
+ * Set or get number of times to retry a failed test.
+ *
+ * @private
+ * @param {number|string} n
+ * @return {Suite|number} for chaining
+ */
+ Suite.prototype.retries = function (n) {
+ if (!arguments.length) {
+ return this._retries;
+ }
+ debug('retries %d', n);
+ this._retries = parseInt(n, 10) || 0;
+ return this;
+ };
+
+ /**
+ * Set or get slow `ms` or short-hand such as "2s".
+ *
+ * @private
+ * @param {number|string} ms
+ * @return {Suite|number} for chaining
+ */
+ Suite.prototype.slow = function (ms) {
+ if (!arguments.length) {
+ return this._slow;
+ }
+ if (typeof ms === 'string') {
+ ms = milliseconds(ms);
+ }
+ debug('slow %d', ms);
+ this._slow = ms;
+ return this;
+ };
+
+ /**
+ * Set or get whether to bail after first error.
+ *
+ * @private
+ * @param {boolean} bail
+ * @return {Suite|number} for chaining
+ */
+ Suite.prototype.bail = function (bail) {
+ if (!arguments.length) {
+ return this._bail;
+ }
+ debug('bail %s', bail);
+ this._bail = bail;
+ return this;
+ };
+
+ /**
+ * Check if this suite or its parent suite is marked as pending.
+ *
+ * @private
+ */
+ Suite.prototype.isPending = function () {
+ return this.pending || (this.parent && this.parent.isPending());
+ };
+
+ /**
+ * Generic hook-creator.
+ * @private
+ * @param {string} title - Title of hook
+ * @param {Function} fn - Hook callback
+ * @returns {Hook} A new hook
+ */
+ Suite.prototype._createHook = function (title, fn) {
+ var hook = new Hook(title, fn);
+ hook.parent = this;
+ hook.timeout(this.timeout());
+ hook.retries(this.retries());
+ hook.slow(this.slow());
+ hook.ctx = this.ctx;
+ hook.file = this.file;
+ return hook;
+ };
+
+ /**
+ * Run `fn(test[, done])` before running tests.
+ *
+ * @private
+ * @param {string} title
+ * @param {Function} fn
+ * @return {Suite} for chaining
+ */
+ Suite.prototype.beforeAll = function (title, fn) {
+ if (this.isPending()) {
+ return this;
+ }
+ if (typeof title === 'function') {
+ fn = title;
+ title = fn.name;
+ }
+ title = '"before all" hook' + (title ? ': ' + title : '');
+
+ var hook = this._createHook(title, fn);
+ this._beforeAll.push(hook);
+ this.emit(constants.EVENT_SUITE_ADD_HOOK_BEFORE_ALL, hook);
+ return this;
+ };
+
+ /**
+ * Run `fn(test[, done])` after running tests.
+ *
+ * @private
+ * @param {string} title
+ * @param {Function} fn
+ * @return {Suite} for chaining
+ */
+ Suite.prototype.afterAll = function (title, fn) {
+ if (this.isPending()) {
+ return this;
+ }
+ if (typeof title === 'function') {
+ fn = title;
+ title = fn.name;
+ }
+ title = '"after all" hook' + (title ? ': ' + title : '');
+
+ var hook = this._createHook(title, fn);
+ this._afterAll.push(hook);
+ this.emit(constants.EVENT_SUITE_ADD_HOOK_AFTER_ALL, hook);
+ return this;
+ };
+
+ /**
+ * Run `fn(test[, done])` before each test case.
+ *
+ * @private
+ * @param {string} title
+ * @param {Function} fn
+ * @return {Suite} for chaining
+ */
+ Suite.prototype.beforeEach = function (title, fn) {
+ if (this.isPending()) {
+ return this;
+ }
+ if (typeof title === 'function') {
+ fn = title;
+ title = fn.name;
+ }
+ title = '"before each" hook' + (title ? ': ' + title : '');
+
+ var hook = this._createHook(title, fn);
+ this._beforeEach.push(hook);
+ this.emit(constants.EVENT_SUITE_ADD_HOOK_BEFORE_EACH, hook);
+ return this;
+ };
+
+ /**
+ * Run `fn(test[, done])` after each test case.
+ *
+ * @private
+ * @param {string} title
+ * @param {Function} fn
+ * @return {Suite} for chaining
+ */
+ Suite.prototype.afterEach = function (title, fn) {
+ if (this.isPending()) {
+ return this;
+ }
+ if (typeof title === 'function') {
+ fn = title;
+ title = fn.name;
+ }
+ title = '"after each" hook' + (title ? ': ' + title : '');
+
+ var hook = this._createHook(title, fn);
+ this._afterEach.push(hook);
+ this.emit(constants.EVENT_SUITE_ADD_HOOK_AFTER_EACH, hook);
+ return this;
+ };
+
+ /**
+ * Add a test `suite`.
+ *
+ * @private
+ * @param {Suite} suite
+ * @return {Suite} for chaining
+ */
+ Suite.prototype.addSuite = function (suite) {
+ suite.parent = this;
+ suite.root = false;
+ suite.timeout(this.timeout());
+ suite.retries(this.retries());
+ suite.slow(this.slow());
+ suite.bail(this.bail());
+ this.suites.push(suite);
+ this.emit(constants.EVENT_SUITE_ADD_SUITE, suite);
+ return this;
+ };
+
+ /**
+ * Add a `test` to this suite.
+ *
+ * @private
+ * @param {Test} test
+ * @return {Suite} for chaining
+ */
+ Suite.prototype.addTest = function (test) {
+ test.parent = this;
+ test.timeout(this.timeout());
+ test.retries(this.retries());
+ test.slow(this.slow());
+ test.ctx = this.ctx;
+ this.tests.push(test);
+ this.emit(constants.EVENT_SUITE_ADD_TEST, test);
+ return this;
+ };
+
+ /**
+ * Return the full title generated by recursively concatenating the parent's
+ * full title.
+ *
+ * @memberof Suite
+ * @public
+ * @return {string}
+ */
+ Suite.prototype.fullTitle = function () {
+ return this.titlePath().join(' ');
+ };
+
+ /**
+ * Return the title path generated by recursively concatenating the parent's
+ * title path.
+ *
+ * @memberof Suite
+ * @public
+ * @return {string}
+ */
+ Suite.prototype.titlePath = function () {
+ var result = [];
+ if (this.parent) {
+ result = result.concat(this.parent.titlePath());
+ }
+ if (!this.root) {
+ result.push(this.title);
+ }
+ return result;
+ };
+
+ /**
+ * Return the total number of tests.
+ *
+ * @memberof Suite
+ * @public
+ * @return {number}
+ */
+ Suite.prototype.total = function () {
+ return (
+ this.suites.reduce(function (sum, suite) {
+ return sum + suite.total();
+ }, 0) + this.tests.length
+ );
+ };
+
+ /**
+ * Iterates through each suite recursively to find all tests. Applies a
+ * function in the format `fn(test)`.
+ *
+ * @private
+ * @param {Function} fn
+ * @return {Suite}
+ */
+ Suite.prototype.eachTest = function (fn) {
+ this.tests.forEach(fn);
+ this.suites.forEach(function (suite) {
+ suite.eachTest(fn);
+ });
+ return this;
+ };
+
+ /**
+ * This will run the root suite if we happen to be running in delayed mode.
+ * @private
+ */
+ Suite.prototype.run = function run() {
+ if (this.root) {
+ this.emit(constants.EVENT_ROOT_SUITE_RUN);
+ }
+ };
+
+ /**
+ * Determines whether a suite has an `only` test or suite as a descendant.
+ *
+ * @private
+ * @returns {Boolean}
+ */
+ Suite.prototype.hasOnly = function hasOnly() {
+ return (
+ this._onlyTests.length > 0 ||
+ this._onlySuites.length > 0 ||
+ this.suites.some(function (suite) {
+ return suite.hasOnly();
+ })
+ );
+ };
+
+ /**
+ * Filter suites based on `isOnly` logic.
+ *
+ * @private
+ * @returns {Boolean}
+ */
+ Suite.prototype.filterOnly = function filterOnly() {
+ if (this._onlyTests.length) {
+ // If the suite contains `only` tests, run those and ignore any nested suites.
+ this.tests = this._onlyTests;
+ this.suites = [];
+ } else {
+ // Otherwise, do not run any of the tests in this suite.
+ this.tests = [];
+ this._onlySuites.forEach(function (onlySuite) {
+ // If there are other `only` tests/suites nested in the current `only` suite, then filter that `only` suite.
+ // Otherwise, all of the tests on this `only` suite should be run, so don't filter it.
+ if (onlySuite.hasOnly()) {
+ onlySuite.filterOnly();
+ }
+ });
+ // Run the `only` suites, as well as any other suites that have `only` tests/suites as descendants.
+ var onlySuites = this._onlySuites;
+ this.suites = this.suites.filter(function (childSuite) {
+ return onlySuites.indexOf(childSuite) !== -1 || childSuite.filterOnly();
+ });
+ }
+ // Keep the suite only if there is something to run
+ return this.tests.length > 0 || this.suites.length > 0;
+ };
+
+ /**
+ * Adds a suite to the list of subsuites marked `only`.
+ *
+ * @private
+ * @param {Suite} suite
+ */
+ Suite.prototype.appendOnlySuite = function (suite) {
+ this._onlySuites.push(suite);
+ };
+
+ /**
+ * Marks a suite to be `only`.
+ *
+ * @private
+ */
+ Suite.prototype.markOnly = function () {
+ this.parent && this.parent.appendOnlySuite(this);
+ };
+
+ /**
+ * Adds a test to the list of tests marked `only`.
+ *
+ * @private
+ * @param {Test} test
+ */
+ Suite.prototype.appendOnlyTest = function (test) {
+ this._onlyTests.push(test);
+ };
+
+ /**
+ * Returns the array of hooks by hook name; see `HOOK_TYPE_*` constants.
+ * @private
+ */
+ Suite.prototype.getHooks = function getHooks(name) {
+ return this['_' + name];
+ };
+
+ /**
+ * cleans all references from this suite and all child suites.
+ */
+ Suite.prototype.dispose = function () {
+ this.suites.forEach(function (suite) {
+ suite.dispose();
+ });
+ this.cleanReferences();
+ };
+
+ /**
+ * Cleans up the references to all the deferred functions
+ * (before/after/beforeEach/afterEach) and tests of a Suite.
+ * These must be deleted otherwise a memory leak can happen,
+ * as those functions may reference variables from closures,
+ * thus those variables can never be garbage collected as long
+ * as the deferred functions exist.
+ *
+ * @private
+ */
+ Suite.prototype.cleanReferences = function cleanReferences() {
+ function cleanArrReferences(arr) {
+ for (var i = 0; i < arr.length; i++) {
+ delete arr[i].fn;
+ }
+ }
+
+ if (Array.isArray(this._beforeAll)) {
+ cleanArrReferences(this._beforeAll);
+ }
+
+ if (Array.isArray(this._beforeEach)) {
+ cleanArrReferences(this._beforeEach);
+ }
+
+ if (Array.isArray(this._afterAll)) {
+ cleanArrReferences(this._afterAll);
+ }
+
+ if (Array.isArray(this._afterEach)) {
+ cleanArrReferences(this._afterEach);
+ }
+
+ for (var i = 0; i < this.tests.length; i++) {
+ delete this.tests[i].fn;
+ }
+ };
+
+ /**
+ * Returns an object suitable for IPC.
+ * Functions are represented by keys beginning with `$$`.
+ * @private
+ * @returns {Object}
+ */
+ Suite.prototype.serialize = function serialize() {
+ return {
+ _bail: this._bail,
+ $$fullTitle: this.fullTitle(),
+ $$isPending: Boolean(this.isPending()),
+ root: this.root,
+ title: this.title,
+ [MOCHA_ID_PROP_NAME]: this.id,
+ parent: this.parent ? {[MOCHA_ID_PROP_NAME]: this.parent.id} : null
+ };
+ };
+
+ var constants = defineConstants(
+ /**
+ * {@link Suite}-related constants.
+ * @public
+ * @memberof Suite
+ * @alias constants
+ * @readonly
+ * @static
+ * @enum {string}
+ */
+ {
+ /**
+ * Event emitted after a test file has been loaded. Not emitted in browser.
+ */
+ EVENT_FILE_POST_REQUIRE: 'post-require',
+ /**
+ * Event emitted before a test file has been loaded. In browser, this is emitted once an interface has been selected.
+ */
+ EVENT_FILE_PRE_REQUIRE: 'pre-require',
+ /**
+ * Event emitted immediately after a test file has been loaded. Not emitted in browser.
+ */
+ EVENT_FILE_REQUIRE: 'require',
+ /**
+ * Event emitted when `global.run()` is called (use with `delay` option).
+ */
+ EVENT_ROOT_SUITE_RUN: 'run',
+
+ /**
+ * Namespace for collection of a `Suite`'s "after all" hooks.
+ */
+ HOOK_TYPE_AFTER_ALL: 'afterAll',
+ /**
+ * Namespace for collection of a `Suite`'s "after each" hooks.
+ */
+ HOOK_TYPE_AFTER_EACH: 'afterEach',
+ /**
+ * Namespace for collection of a `Suite`'s "before all" hooks.
+ */
+ HOOK_TYPE_BEFORE_ALL: 'beforeAll',
+ /**
+ * Namespace for collection of a `Suite`'s "before each" hooks.
+ */
+ HOOK_TYPE_BEFORE_EACH: 'beforeEach',
+
+ /**
+ * Emitted after a child `Suite` has been added to a `Suite`.
+ */
+ EVENT_SUITE_ADD_SUITE: 'suite',
+ /**
+ * Emitted after an "after all" `Hook` has been added to a `Suite`.
+ */
+ EVENT_SUITE_ADD_HOOK_AFTER_ALL: 'afterAll',
+ /**
+ * Emitted after an "after each" `Hook` has been added to a `Suite`.
+ */
+ EVENT_SUITE_ADD_HOOK_AFTER_EACH: 'afterEach',
+ /**
+ * Emitted after an "before all" `Hook` has been added to a `Suite`.
+ */
+ EVENT_SUITE_ADD_HOOK_BEFORE_ALL: 'beforeAll',
+ /**
+ * Emitted after an "before each" `Hook` has been added to a `Suite`.
+ */
+ EVENT_SUITE_ADD_HOOK_BEFORE_EACH: 'beforeEach',
+ /**
+ * Emitted after a `Test` has been added to a `Suite`.
+ */
+ EVENT_SUITE_ADD_TEST: 'test'
+ }
+ );
+
+ Suite.constants = constants;
+ }(suite));
+
+ /**
+ * Module dependencies.
+ * @private
+ */
+ var EventEmitter = require$$0.EventEmitter;
+ var Pending = pending;
+ var utils$1 = utils$3;
+ var debug = browser.exports('mocha:runner');
+ var Runnable$1 = runnable;
+ var Suite$2 = suite.exports;
+ var HOOK_TYPE_BEFORE_EACH = Suite$2.constants.HOOK_TYPE_BEFORE_EACH;
+ var HOOK_TYPE_AFTER_EACH = Suite$2.constants.HOOK_TYPE_AFTER_EACH;
+ var HOOK_TYPE_AFTER_ALL = Suite$2.constants.HOOK_TYPE_AFTER_ALL;
+ var HOOK_TYPE_BEFORE_ALL = Suite$2.constants.HOOK_TYPE_BEFORE_ALL;
+ var EVENT_ROOT_SUITE_RUN = Suite$2.constants.EVENT_ROOT_SUITE_RUN;
+ var STATE_FAILED = Runnable$1.constants.STATE_FAILED;
+ var STATE_PASSED = Runnable$1.constants.STATE_PASSED;
+ var STATE_PENDING = Runnable$1.constants.STATE_PENDING;
+ var stackFilter = utils$1.stackTraceFilter();
+ var stringify = utils$1.stringify;
+
+ const {
+ createInvalidExceptionError,
+ createUnsupportedError: createUnsupportedError$1,
+ createFatalError,
+ isMochaError,
+ constants: errorConstants
+ } = errors$2;
+
+ /**
+ * Non-enumerable globals.
+ * @private
+ * @readonly
+ */
+ var globals = [
+ 'setTimeout',
+ 'clearTimeout',
+ 'setInterval',
+ 'clearInterval',
+ 'XMLHttpRequest',
+ 'Date',
+ 'setImmediate',
+ 'clearImmediate'
+ ];
+
+ var constants$1 = utils$1.defineConstants(
+ /**
+ * {@link Runner}-related constants.
+ * @public
+ * @memberof Runner
+ * @readonly
+ * @alias constants
+ * @static
+ * @enum {string}
+ */
+ {
+ /**
+ * Emitted when {@link Hook} execution begins
+ */
+ EVENT_HOOK_BEGIN: 'hook',
+ /**
+ * Emitted when {@link Hook} execution ends
+ */
+ EVENT_HOOK_END: 'hook end',
+ /**
+ * Emitted when Root {@link Suite} execution begins (all files have been parsed and hooks/tests are ready for execution)
+ */
+ EVENT_RUN_BEGIN: 'start',
+ /**
+ * Emitted when Root {@link Suite} execution has been delayed via `delay` option
+ */
+ EVENT_DELAY_BEGIN: 'waiting',
+ /**
+ * Emitted when delayed Root {@link Suite} execution is triggered by user via `global.run()`
+ */
+ EVENT_DELAY_END: 'ready',
+ /**
+ * Emitted when Root {@link Suite} execution ends
+ */
+ EVENT_RUN_END: 'end',
+ /**
+ * Emitted when {@link Suite} execution begins
+ */
+ EVENT_SUITE_BEGIN: 'suite',
+ /**
+ * Emitted when {@link Suite} execution ends
+ */
+ EVENT_SUITE_END: 'suite end',
+ /**
+ * Emitted when {@link Test} execution begins
+ */
+ EVENT_TEST_BEGIN: 'test',
+ /**
+ * Emitted when {@link Test} execution ends
+ */
+ EVENT_TEST_END: 'test end',
+ /**
+ * Emitted when {@link Test} execution fails
+ */
+ EVENT_TEST_FAIL: 'fail',
+ /**
+ * Emitted when {@link Test} execution succeeds
+ */
+ EVENT_TEST_PASS: 'pass',
+ /**
+ * Emitted when {@link Test} becomes pending
+ */
+ EVENT_TEST_PENDING: 'pending',
+ /**
+ * Emitted when {@link Test} execution has failed, but will retry
+ */
+ EVENT_TEST_RETRY: 'retry',
+ /**
+ * Initial state of Runner
+ */
+ STATE_IDLE: 'idle',
+ /**
+ * State set to this value when the Runner has started running
+ */
+ STATE_RUNNING: 'running',
+ /**
+ * State set to this value when the Runner has stopped
+ */
+ STATE_STOPPED: 'stopped'
+ }
+ );
+
+ class Runner extends EventEmitter {
+ /**
+ * Initialize a `Runner` at the Root {@link Suite}, which represents a hierarchy of {@link Suite|Suites} and {@link Test|Tests}.
+ *
+ * @extends external:EventEmitter
+ * @public
+ * @class
+ * @param {Suite} suite - Root suite
+ * @param {Object} [opts] - Settings object
+ * @param {boolean} [opts.cleanReferencesAfterRun] - Whether to clean references to test fns and hooks when a suite is done.
+ * @param {boolean} [opts.delay] - Whether to delay execution of root suite until ready.
+ * @param {boolean} [opts.dryRun] - Whether to report tests without running them.
+ * @param {boolean} [opts.failZero] - Whether to fail test run if zero tests encountered.
+ */
+ constructor(suite, opts = {}) {
+ super();
+
+ var self = this;
+ this._globals = [];
+ this._abort = false;
+ this.suite = suite;
+ this._opts = opts;
+ this.state = constants$1.STATE_IDLE;
+ this.total = suite.total();
+ this.failures = 0;
+ /**
+ * @type {Map>>}
+ */
+ this._eventListeners = new Map();
+ this.on(constants$1.EVENT_TEST_END, function (test) {
+ if (test.type === 'test' && test.retriedTest() && test.parent) {
+ var idx =
+ test.parent.tests && test.parent.tests.indexOf(test.retriedTest());
+ if (idx > -1) test.parent.tests[idx] = test;
+ }
+ self.checkGlobals(test);
+ });
+ this.on(constants$1.EVENT_HOOK_END, function (hook) {
+ self.checkGlobals(hook);
+ });
+ this._defaultGrep = /.*/;
+ this.grep(this._defaultGrep);
+ this.globals(this.globalProps());
+
+ this.uncaught = this._uncaught.bind(this);
+ this.unhandled = (reason, promise) => {
+ if (isMochaError(reason)) {
+ debug(
+ 'trapped unhandled rejection coming out of Mocha; forwarding to uncaught handler:',
+ reason
+ );
+ this.uncaught(reason);
+ } else {
+ debug(
+ 'trapped unhandled rejection from (probably) user code; re-emitting on process'
+ );
+ this._removeEventListener(
+ process,
+ 'unhandledRejection',
+ this.unhandled
+ );
+ try {
+ process.emit('unhandledRejection', reason, promise);
+ } finally {
+ this._addEventListener(process, 'unhandledRejection', this.unhandled);
+ }
+ }
+ };
+ }
+ }
+
+ /**
+ * Wrapper for setImmediate, process.nextTick, or browser polyfill.
+ *
+ * @param {Function} fn
+ * @private
+ */
+ Runner.immediately = commonjsGlobal.setImmediate || nextTick$1;
+
+ /**
+ * Replacement for `target.on(eventName, listener)` that does bookkeeping to remove them when this runner instance is disposed.
+ * @param {EventEmitter} target - The `EventEmitter`
+ * @param {string} eventName - The event name
+ * @param {string} fn - Listener function
+ * @private
+ */
+ Runner.prototype._addEventListener = function (target, eventName, listener) {
+ debug(
+ '_addEventListener(): adding for event %s; %d current listeners',
+ eventName,
+ target.listenerCount(eventName)
+ );
+ /* istanbul ignore next */
+ if (
+ this._eventListeners.has(target) &&
+ this._eventListeners.get(target).has(eventName) &&
+ this._eventListeners.get(target).get(eventName).has(listener)
+ ) {
+ debug(
+ 'warning: tried to attach duplicate event listener for %s',
+ eventName
+ );
+ return;
+ }
+ target.on(eventName, listener);
+ const targetListeners = this._eventListeners.has(target)
+ ? this._eventListeners.get(target)
+ : new Map();
+ const targetEventListeners = targetListeners.has(eventName)
+ ? targetListeners.get(eventName)
+ : new Set();
+ targetEventListeners.add(listener);
+ targetListeners.set(eventName, targetEventListeners);
+ this._eventListeners.set(target, targetListeners);
+ };
+
+ /**
+ * Replacement for `target.removeListener(eventName, listener)` that also updates the bookkeeping.
+ * @param {EventEmitter} target - The `EventEmitter`
+ * @param {string} eventName - The event name
+ * @param {function} listener - Listener function
+ * @private
+ */
+ Runner.prototype._removeEventListener = function (target, eventName, listener) {
+ target.removeListener(eventName, listener);
+
+ if (this._eventListeners.has(target)) {
+ const targetListeners = this._eventListeners.get(target);
+ if (targetListeners.has(eventName)) {
+ const targetEventListeners = targetListeners.get(eventName);
+ targetEventListeners.delete(listener);
+ if (!targetEventListeners.size) {
+ targetListeners.delete(eventName);
+ }
+ }
+ if (!targetListeners.size) {
+ this._eventListeners.delete(target);
+ }
+ } else {
+ debug('trying to remove listener for untracked object %s', target);
+ }
+ };
+
+ /**
+ * Removes all event handlers set during a run on this instance.
+ * Remark: this does _not_ clean/dispose the tests or suites themselves.
+ */
+ Runner.prototype.dispose = function () {
+ this.removeAllListeners();
+ this._eventListeners.forEach((targetListeners, target) => {
+ targetListeners.forEach((targetEventListeners, eventName) => {
+ targetEventListeners.forEach(listener => {
+ target.removeListener(eventName, listener);
+ });
+ });
+ });
+ this._eventListeners.clear();
+ };
+
+ /**
+ * Run tests with full titles matching `re`. Updates runner.total
+ * with number of tests matched.
+ *
+ * @public
+ * @memberof Runner
+ * @param {RegExp} re
+ * @param {boolean} invert
+ * @return {Runner} Runner instance.
+ */
+ Runner.prototype.grep = function (re, invert) {
+ debug('grep(): setting to %s', re);
+ this._grep = re;
+ this._invert = invert;
+ this.total = this.grepTotal(this.suite);
+ return this;
+ };
+
+ /**
+ * Returns the number of tests matching the grep search for the
+ * given suite.
+ *
+ * @memberof Runner
+ * @public
+ * @param {Suite} suite
+ * @return {number}
+ */
+ Runner.prototype.grepTotal = function (suite) {
+ var self = this;
+ var total = 0;
+
+ suite.eachTest(function (test) {
+ var match = self._grep.test(test.fullTitle());
+ if (self._invert) {
+ match = !match;
+ }
+ if (match) {
+ total++;
+ }
+ });
+
+ return total;
+ };
+
+ /**
+ * Return a list of global properties.
+ *
+ * @return {Array}
+ * @private
+ */
+ Runner.prototype.globalProps = function () {
+ var props = Object.keys(commonjsGlobal);
+
+ // non-enumerables
+ for (var i = 0; i < globals.length; ++i) {
+ if (~props.indexOf(globals[i])) {
+ continue;
+ }
+ props.push(globals[i]);
+ }
+
+ return props;
+ };
+
+ /**
+ * Allow the given `arr` of globals.
+ *
+ * @public
+ * @memberof Runner
+ * @param {Array} arr
+ * @return {Runner} Runner instance.
+ */
+ Runner.prototype.globals = function (arr) {
+ if (!arguments.length) {
+ return this._globals;
+ }
+ debug('globals(): setting to %O', arr);
+ this._globals = this._globals.concat(arr);
+ return this;
+ };
+
+ /**
+ * Check for global variable leaks.
+ *
+ * @private
+ */
+ Runner.prototype.checkGlobals = function (test) {
+ if (!this.checkLeaks) {
+ return;
+ }
+ var ok = this._globals;
+
+ var globals = this.globalProps();
+ var leaks;
+
+ if (test) {
+ ok = ok.concat(test._allowedGlobals || []);
+ }
+
+ if (this.prevGlobalsLength === globals.length) {
+ return;
+ }
+ this.prevGlobalsLength = globals.length;
+
+ leaks = filterLeaks(ok, globals);
+ this._globals = this._globals.concat(leaks);
+
+ if (leaks.length) {
+ var msg = `global leak(s) detected: ${leaks.map(e => `'${e}'`).join(', ')}`;
+ this.fail(test, new Error(msg));
+ }
+ };
+
+ /**
+ * Fail the given `test`.
+ *
+ * If `test` is a hook, failures work in the following pattern:
+ * - If bail, run corresponding `after each` and `after` hooks,
+ * then exit
+ * - Failed `before` hook skips all tests in a suite and subsuites,
+ * but jumps to corresponding `after` hook
+ * - Failed `before each` hook skips remaining tests in a
+ * suite and jumps to corresponding `after each` hook,
+ * which is run only once
+ * - Failed `after` hook does not alter execution order
+ * - Failed `after each` hook skips remaining tests in a
+ * suite and subsuites, but executes other `after each`
+ * hooks
+ *
+ * @private
+ * @param {Runnable} test
+ * @param {Error} err
+ * @param {boolean} [force=false] - Whether to fail a pending test.
+ */
+ Runner.prototype.fail = function (test, err, force) {
+ force = force === true;
+ if (test.isPending() && !force) {
+ return;
+ }
+ if (this.state === constants$1.STATE_STOPPED) {
+ if (err.code === errorConstants.MULTIPLE_DONE) {
+ throw err;
+ }
+ throw createFatalError(
+ 'Test failed after root suite execution completed!',
+ err
+ );
+ }
+
+ ++this.failures;
+ debug('total number of failures: %d', this.failures);
+ test.state = STATE_FAILED;
+
+ if (!isError(err)) {
+ err = thrown2Error(err);
+ }
+
+ try {
+ err.stack =
+ this.fullStackTrace || !err.stack ? err.stack : stackFilter(err.stack);
+ } catch (ignore) {
+ // some environments do not take kindly to monkeying with the stack
+ }
+
+ this.emit(constants$1.EVENT_TEST_FAIL, test, err);
+ };
+
+ /**
+ * Run hook `name` callbacks and then invoke `fn()`.
+ *
+ * @private
+ * @param {string} name
+ * @param {Function} fn
+ */
+
+ Runner.prototype.hook = function (name, fn) {
+ if (this._opts.dryRun) return fn();
+
+ var suite = this.suite;
+ var hooks = suite.getHooks(name);
+ var self = this;
+
+ function next(i) {
+ var hook = hooks[i];
+ if (!hook) {
+ return fn();
+ }
+ self.currentRunnable = hook;
+
+ if (name === HOOK_TYPE_BEFORE_ALL) {
+ hook.ctx.currentTest = hook.parent.tests[0];
+ } else if (name === HOOK_TYPE_AFTER_ALL) {
+ hook.ctx.currentTest = hook.parent.tests[hook.parent.tests.length - 1];
+ } else {
+ hook.ctx.currentTest = self.test;
+ }
+
+ setHookTitle(hook);
+
+ hook.allowUncaught = self.allowUncaught;
+
+ self.emit(constants$1.EVENT_HOOK_BEGIN, hook);
+
+ if (!hook.listeners('error').length) {
+ self._addEventListener(hook, 'error', function (err) {
+ self.fail(hook, err);
+ });
+ }
+
+ hook.run(function cbHookRun(err) {
+ var testError = hook.error();
+ if (testError) {
+ self.fail(self.test, testError);
+ }
+ // conditional skip
+ if (hook.pending) {
+ if (name === HOOK_TYPE_AFTER_EACH) {
+ // TODO define and implement use case
+ if (self.test) {
+ self.test.pending = true;
+ }
+ } else if (name === HOOK_TYPE_BEFORE_EACH) {
+ if (self.test) {
+ self.test.pending = true;
+ }
+ self.emit(constants$1.EVENT_HOOK_END, hook);
+ hook.pending = false; // activates hook for next test
+ return fn(new Error('abort hookDown'));
+ } else if (name === HOOK_TYPE_BEFORE_ALL) {
+ suite.tests.forEach(function (test) {
+ test.pending = true;
+ });
+ suite.suites.forEach(function (suite) {
+ suite.pending = true;
+ });
+ hooks = [];
+ } else {
+ hook.pending = false;
+ var errForbid = createUnsupportedError$1('`this.skip` forbidden');
+ self.fail(hook, errForbid);
+ return fn(errForbid);
+ }
+ } else if (err) {
+ self.fail(hook, err);
+ // stop executing hooks, notify callee of hook err
+ return fn(err);
+ }
+ self.emit(constants$1.EVENT_HOOK_END, hook);
+ delete hook.ctx.currentTest;
+ setHookTitle(hook);
+ next(++i);
+ });
+
+ function setHookTitle(hook) {
+ hook.originalTitle = hook.originalTitle || hook.title;
+ if (hook.ctx && hook.ctx.currentTest) {
+ hook.title = `${hook.originalTitle} for "${hook.ctx.currentTest.title}"`;
+ } else {
+ var parentTitle;
+ if (hook.parent.title) {
+ parentTitle = hook.parent.title;
+ } else {
+ parentTitle = hook.parent.root ? '{root}' : '';
+ }
+ hook.title = `${hook.originalTitle} in "${parentTitle}"`;
+ }
+ }
+ }
+
+ Runner.immediately(function () {
+ next(0);
+ });
+ };
+
+ /**
+ * Run hook `name` for the given array of `suites`
+ * in order, and callback `fn(err, errSuite)`.
+ *
+ * @private
+ * @param {string} name
+ * @param {Array} suites
+ * @param {Function} fn
+ */
+ Runner.prototype.hooks = function (name, suites, fn) {
+ var self = this;
+ var orig = this.suite;
+
+ function next(suite) {
+ self.suite = suite;
+
+ if (!suite) {
+ self.suite = orig;
+ return fn();
+ }
+
+ self.hook(name, function (err) {
+ if (err) {
+ var errSuite = self.suite;
+ self.suite = orig;
+ return fn(err, errSuite);
+ }
+
+ next(suites.pop());
+ });
+ }
+
+ next(suites.pop());
+ };
+
+ /**
+ * Run 'afterEach' hooks from bottom up.
+ *
+ * @param {String} name
+ * @param {Function} fn
+ * @private
+ */
+ Runner.prototype.hookUp = function (name, fn) {
+ var suites = [this.suite].concat(this.parents()).reverse();
+ this.hooks(name, suites, fn);
+ };
+
+ /**
+ * Run 'beforeEach' hooks from top level down.
+ *
+ * @param {String} name
+ * @param {Function} fn
+ * @private
+ */
+ Runner.prototype.hookDown = function (name, fn) {
+ var suites = [this.suite].concat(this.parents());
+ this.hooks(name, suites, fn);
+ };
+
+ /**
+ * Return an array of parent Suites from
+ * closest to furthest.
+ *
+ * @return {Array}
+ * @private
+ */
+ Runner.prototype.parents = function () {
+ var suite = this.suite;
+ var suites = [];
+ while (suite.parent) {
+ suite = suite.parent;
+ suites.push(suite);
+ }
+ return suites;
+ };
+
+ /**
+ * Run the current test and callback `fn(err)`.
+ *
+ * @param {Function} fn
+ * @private
+ */
+ Runner.prototype.runTest = function (fn) {
+ if (this._opts.dryRun) return Runner.immediately(fn);
+
+ var self = this;
+ var test = this.test;
+
+ if (!test) {
+ return;
+ }
+
+ if (this.asyncOnly) {
+ test.asyncOnly = true;
+ }
+ this._addEventListener(test, 'error', function (err) {
+ self.fail(test, err);
+ });
+ if (this.allowUncaught) {
+ test.allowUncaught = true;
+ return test.run(fn);
+ }
+ try {
+ test.run(fn);
+ } catch (err) {
+ fn(err);
+ }
+ };
+
+ /**
+ * Run tests in the given `suite` and invoke the callback `fn()` when complete.
+ *
+ * @private
+ * @param {Suite} suite
+ * @param {Function} fn
+ */
+ Runner.prototype.runTests = function (suite, fn) {
+ var self = this;
+ var tests = suite.tests.slice();
+ var test;
+
+ function hookErr(_, errSuite, after) {
+ // before/after Each hook for errSuite failed:
+ var orig = self.suite;
+
+ // for failed 'after each' hook start from errSuite parent,
+ // otherwise start from errSuite itself
+ self.suite = after ? errSuite.parent : errSuite;
+
+ if (self.suite) {
+ self.hookUp(HOOK_TYPE_AFTER_EACH, function (err2, errSuite2) {
+ self.suite = orig;
+ // some hooks may fail even now
+ if (err2) {
+ return hookErr(err2, errSuite2, true);
+ }
+ // report error suite
+ fn(errSuite);
+ });
+ } else {
+ // there is no need calling other 'after each' hooks
+ self.suite = orig;
+ fn(errSuite);
+ }
+ }
+
+ function next(err, errSuite) {
+ // if we bail after first err
+ if (self.failures && suite._bail) {
+ tests = [];
+ }
+
+ if (self._abort) {
+ return fn();
+ }
+
+ if (err) {
+ return hookErr(err, errSuite, true);
+ }
+
+ // next test
+ test = tests.shift();
+
+ // all done
+ if (!test) {
+ return fn();
+ }
+
+ // grep
+ var match = self._grep.test(test.fullTitle());
+ if (self._invert) {
+ match = !match;
+ }
+ if (!match) {
+ // Run immediately only if we have defined a grep. When we
+ // define a grep — It can cause maximum callstack error if
+ // the grep is doing a large recursive loop by neglecting
+ // all tests. The run immediately function also comes with
+ // a performance cost. So we don't want to run immediately
+ // if we run the whole test suite, because running the whole
+ // test suite don't do any immediate recursive loops. Thus,
+ // allowing a JS runtime to breathe.
+ if (self._grep !== self._defaultGrep) {
+ Runner.immediately(next);
+ } else {
+ next();
+ }
+ return;
+ }
+
+ // static skip, no hooks are executed
+ if (test.isPending()) {
+ if (self.forbidPending) {
+ self.fail(test, new Error('Pending test forbidden'), true);
+ } else {
+ test.state = STATE_PENDING;
+ self.emit(constants$1.EVENT_TEST_PENDING, test);
+ }
+ self.emit(constants$1.EVENT_TEST_END, test);
+ return next();
+ }
+
+ // execute test and hook(s)
+ self.emit(constants$1.EVENT_TEST_BEGIN, (self.test = test));
+ self.hookDown(HOOK_TYPE_BEFORE_EACH, function (err, errSuite) {
+ // conditional skip within beforeEach
+ if (test.isPending()) {
+ if (self.forbidPending) {
+ self.fail(test, new Error('Pending test forbidden'), true);
+ } else {
+ test.state = STATE_PENDING;
+ self.emit(constants$1.EVENT_TEST_PENDING, test);
+ }
+ self.emit(constants$1.EVENT_TEST_END, test);
+ // skip inner afterEach hooks below errSuite level
+ var origSuite = self.suite;
+ self.suite = errSuite || self.suite;
+ return self.hookUp(HOOK_TYPE_AFTER_EACH, function (e, eSuite) {
+ self.suite = origSuite;
+ next(e, eSuite);
+ });
+ }
+ if (err) {
+ return hookErr(err, errSuite, false);
+ }
+ self.currentRunnable = self.test;
+ self.runTest(function (err) {
+ test = self.test;
+ // conditional skip within it
+ if (test.pending) {
+ if (self.forbidPending) {
+ self.fail(test, new Error('Pending test forbidden'), true);
+ } else {
+ test.state = STATE_PENDING;
+ self.emit(constants$1.EVENT_TEST_PENDING, test);
+ }
+ self.emit(constants$1.EVENT_TEST_END, test);
+ return self.hookUp(HOOK_TYPE_AFTER_EACH, next);
+ } else if (err) {
+ var retry = test.currentRetry();
+ if (retry < test.retries()) {
+ var clonedTest = test.clone();
+ clonedTest.currentRetry(retry + 1);
+ tests.unshift(clonedTest);
+
+ self.emit(constants$1.EVENT_TEST_RETRY, test, err);
+
+ // Early return + hook trigger so that it doesn't
+ // increment the count wrong
+ return self.hookUp(HOOK_TYPE_AFTER_EACH, next);
+ } else {
+ self.fail(test, err);
+ }
+ self.emit(constants$1.EVENT_TEST_END, test);
+ return self.hookUp(HOOK_TYPE_AFTER_EACH, next);
+ }
+
+ test.state = STATE_PASSED;
+ self.emit(constants$1.EVENT_TEST_PASS, test);
+ self.emit(constants$1.EVENT_TEST_END, test);
+ self.hookUp(HOOK_TYPE_AFTER_EACH, next);
+ });
+ });
+ }
+
+ this.next = next;
+ this.hookErr = hookErr;
+ next();
+ };
+
+ /**
+ * Run the given `suite` and invoke the callback `fn()` when complete.
+ *
+ * @private
+ * @param {Suite} suite
+ * @param {Function} fn
+ */
+ Runner.prototype.runSuite = function (suite, fn) {
+ var i = 0;
+ var self = this;
+ var total = this.grepTotal(suite);
+
+ debug('runSuite(): running %s', suite.fullTitle());
+
+ if (!total || (self.failures && suite._bail)) {
+ debug('runSuite(): bailing');
+ return fn();
+ }
+
+ this.emit(constants$1.EVENT_SUITE_BEGIN, (this.suite = suite));
+
+ function next(errSuite) {
+ if (errSuite) {
+ // current suite failed on a hook from errSuite
+ if (errSuite === suite) {
+ // if errSuite is current suite
+ // continue to the next sibling suite
+ return done();
+ }
+ // errSuite is among the parents of current suite
+ // stop execution of errSuite and all sub-suites
+ return done(errSuite);
+ }
+
+ if (self._abort) {
+ return done();
+ }
+
+ var curr = suite.suites[i++];
+ if (!curr) {
+ return done();
+ }
+
+ // Avoid grep neglecting large number of tests causing a
+ // huge recursive loop and thus a maximum call stack error.
+ // See comment in `this.runTests()` for more information.
+ if (self._grep !== self._defaultGrep) {
+ Runner.immediately(function () {
+ self.runSuite(curr, next);
+ });
+ } else {
+ self.runSuite(curr, next);
+ }
+ }
+
+ function done(errSuite) {
+ self.suite = suite;
+ self.nextSuite = next;
+
+ // remove reference to test
+ delete self.test;
+
+ self.hook(HOOK_TYPE_AFTER_ALL, function () {
+ self.emit(constants$1.EVENT_SUITE_END, suite);
+ fn(errSuite);
+ });
+ }
+
+ this.nextSuite = next;
+
+ this.hook(HOOK_TYPE_BEFORE_ALL, function (err) {
+ if (err) {
+ return done();
+ }
+ self.runTests(suite, next);
+ });
+ };
+
+ /**
+ * Handle uncaught exceptions within runner.
+ *
+ * This function is bound to the instance as `Runner#uncaught` at instantiation
+ * time. It's intended to be listening on the `Process.uncaughtException` event.
+ * In order to not leak EE listeners, we need to ensure no more than a single
+ * `uncaughtException` listener exists per `Runner`. The only way to do
+ * this--because this function needs the context (and we don't have lambdas)--is
+ * to use `Function.prototype.bind`. We need strict equality to unregister and
+ * _only_ unregister the _one_ listener we set from the
+ * `Process.uncaughtException` event; would be poor form to just remove
+ * everything. See {@link Runner#run} for where the event listener is registered
+ * and unregistered.
+ * @param {Error} err - Some uncaught error
+ * @private
+ */
+ Runner.prototype._uncaught = function (err) {
+ // this is defensive to prevent future developers from mis-calling this function.
+ // it's more likely that it'd be called with the incorrect context--say, the global
+ // `process` object--than it would to be called with a context that is not a "subclass"
+ // of `Runner`.
+ if (!(this instanceof Runner)) {
+ throw createFatalError(
+ 'Runner#uncaught() called with invalid context',
+ this
+ );
+ }
+ if (err instanceof Pending) {
+ debug('uncaught(): caught a Pending');
+ return;
+ }
+ // browser does not exit script when throwing in global.onerror()
+ if (this.allowUncaught && !utils$1.isBrowser()) {
+ debug('uncaught(): bubbling exception due to --allow-uncaught');
+ throw err;
+ }
+
+ if (this.state === constants$1.STATE_STOPPED) {
+ debug('uncaught(): throwing after run has completed!');
+ throw err;
+ }
+
+ if (err) {
+ debug('uncaught(): got truthy exception %O', err);
+ } else {
+ debug('uncaught(): undefined/falsy exception');
+ err = createInvalidExceptionError(
+ 'Caught falsy/undefined exception which would otherwise be uncaught. No stack trace found; try a debugger',
+ err
+ );
+ }
+
+ if (!isError(err)) {
+ err = thrown2Error(err);
+ debug('uncaught(): converted "error" %o to Error', err);
+ }
+ err.uncaught = true;
+
+ var runnable = this.currentRunnable;
+
+ if (!runnable) {
+ runnable = new Runnable$1('Uncaught error outside test suite');
+ debug('uncaught(): no current Runnable; created a phony one');
+ runnable.parent = this.suite;
+
+ if (this.state === constants$1.STATE_RUNNING) {
+ debug('uncaught(): failing gracefully');
+ this.fail(runnable, err);
+ } else {
+ // Can't recover from this failure
+ debug('uncaught(): test run has not yet started; unrecoverable');
+ this.emit(constants$1.EVENT_RUN_BEGIN);
+ this.fail(runnable, err);
+ this.emit(constants$1.EVENT_RUN_END);
+ }
+
+ return;
+ }
+
+ runnable.clearTimeout();
+
+ if (runnable.isFailed()) {
+ debug('uncaught(): Runnable has already failed');
+ // Ignore error if already failed
+ return;
+ } else if (runnable.isPending()) {
+ debug('uncaught(): pending Runnable wound up failing!');
+ // report 'pending test' retrospectively as failed
+ this.fail(runnable, err, true);
+ return;
+ }
+
+ // we cannot recover gracefully if a Runnable has already passed
+ // then fails asynchronously
+ if (runnable.isPassed()) {
+ debug('uncaught(): Runnable has already passed; bailing gracefully');
+ this.fail(runnable, err);
+ this.abort();
+ } else {
+ debug('uncaught(): forcing Runnable to complete with Error');
+ return runnable.callback(err);
+ }
+ };
+
+ /**
+ * Run the root suite and invoke `fn(failures)`
+ * on completion.
+ *
+ * @public
+ * @memberof Runner
+ * @param {Function} fn - Callback when finished
+ * @param {Object} [opts] - For subclasses
+ * @param {string[]} opts.files - Files to run
+ * @param {Options} opts.options - command-line options
+ * @returns {Runner} Runner instance.
+ */
+ Runner.prototype.run = function (fn, opts = {}) {
+ var rootSuite = this.suite;
+ var options = opts.options || {};
+
+ debug('run(): got options: %O', options);
+ fn = fn || function () {};
+
+ const end = () => {
+ if (!this.total && this._opts.failZero) this.failures = 1;
+
+ debug('run(): root suite completed; emitting %s', constants$1.EVENT_RUN_END);
+ this.emit(constants$1.EVENT_RUN_END);
+ };
+
+ const begin = () => {
+ debug('run(): emitting %s', constants$1.EVENT_RUN_BEGIN);
+ this.emit(constants$1.EVENT_RUN_BEGIN);
+ debug('run(): emitted %s', constants$1.EVENT_RUN_BEGIN);
+
+ this.runSuite(rootSuite, end);
+ };
+
+ const prepare = () => {
+ debug('run(): starting');
+ // If there is an `only` filter
+ if (rootSuite.hasOnly()) {
+ rootSuite.filterOnly();
+ debug('run(): filtered exclusive Runnables');
+ }
+ this.state = constants$1.STATE_RUNNING;
+ if (this._opts.delay) {
+ this.emit(constants$1.EVENT_DELAY_END);
+ debug('run(): "delay" ended');
+ }
+
+ return begin();
+ };
+
+ // references cleanup to avoid memory leaks
+ if (this._opts.cleanReferencesAfterRun) {
+ this.on(constants$1.EVENT_SUITE_END, suite => {
+ suite.cleanReferences();
+ });
+ }
+
+ // callback
+ this.on(constants$1.EVENT_RUN_END, function () {
+ this.state = constants$1.STATE_STOPPED;
+ debug('run(): emitted %s', constants$1.EVENT_RUN_END);
+ fn(this.failures);
+ });
+
+ this._removeEventListener(process, 'uncaughtException', this.uncaught);
+ this._removeEventListener(process, 'unhandledRejection', this.unhandled);
+ this._addEventListener(process, 'uncaughtException', this.uncaught);
+ this._addEventListener(process, 'unhandledRejection', this.unhandled);
+
+ if (this._opts.delay) {
+ // for reporters, I guess.
+ // might be nice to debounce some dots while we wait.
+ this.emit(constants$1.EVENT_DELAY_BEGIN, rootSuite);
+ rootSuite.once(EVENT_ROOT_SUITE_RUN, prepare);
+ debug('run(): waiting for green light due to --delay');
+ } else {
+ Runner.immediately(prepare);
+ }
+
+ return this;
+ };
+
+ /**
+ * Toggle partial object linking behavior; used for building object references from
+ * unique ID's. Does nothing in serial mode, because the object references already exist.
+ * Subclasses can implement this (e.g., `ParallelBufferedRunner`)
+ * @abstract
+ * @param {boolean} [value] - If `true`, enable partial object linking, otherwise disable
+ * @returns {Runner}
+ * @chainable
+ * @public
+ * @example
+ * // this reporter needs proper object references when run in parallel mode
+ * class MyReporter() {
+ * constructor(runner) {
+ * this.runner.linkPartialObjects(true)
+ * .on(EVENT_SUITE_BEGIN, suite => {
+ // this Suite may be the same object...
+ * })
+ * .on(EVENT_TEST_BEGIN, test => {
+ * // ...as the `test.parent` property
+ * });
+ * }
+ * }
+ */
+ Runner.prototype.linkPartialObjects = function (value) {
+ return this;
+ };
+
+ /*
+ * Like {@link Runner#run}, but does not accept a callback and returns a `Promise` instead of a `Runner`.
+ * This function cannot reject; an `unhandledRejection` event will bubble up to the `process` object instead.
+ * @public
+ * @memberof Runner
+ * @param {Object} [opts] - Options for {@link Runner#run}
+ * @returns {Promise} Failure count
+ */
+ Runner.prototype.runAsync = async function runAsync(opts = {}) {
+ return new Promise(resolve => {
+ this.run(resolve, opts);
+ });
+ };
+
+ /**
+ * Cleanly abort execution.
+ *
+ * @memberof Runner
+ * @public
+ * @return {Runner} Runner instance.
+ */
+ Runner.prototype.abort = function () {
+ debug('abort(): aborting');
+ this._abort = true;
+
+ return this;
+ };
+
+ /**
+ * Returns `true` if Mocha is running in parallel mode. For reporters.
+ *
+ * Subclasses should return an appropriate value.
+ * @public
+ * @returns {false}
+ */
+ Runner.prototype.isParallelMode = function isParallelMode() {
+ return false;
+ };
+
+ /**
+ * Configures an alternate reporter for worker processes to use. Subclasses
+ * using worker processes should implement this.
+ * @public
+ * @param {string} path - Absolute path to alternate reporter for worker processes to use
+ * @returns {Runner}
+ * @throws When in serial mode
+ * @chainable
+ * @abstract
+ */
+ Runner.prototype.workerReporter = function () {
+ throw createUnsupportedError$1('workerReporter() not supported in serial mode');
+ };
+
+ /**
+ * Filter leaks with the given globals flagged as `ok`.
+ *
+ * @private
+ * @param {Array} ok
+ * @param {Array} globals
+ * @return {Array}
+ */
+ function filterLeaks(ok, globals) {
+ return globals.filter(function (key) {
+ // Firefox and Chrome exposes iframes as index inside the window object
+ if (/^\d+/.test(key)) {
+ return false;
+ }
+
+ // in firefox
+ // if runner runs in an iframe, this iframe's window.getInterface method
+ // not init at first it is assigned in some seconds
+ if (commonjsGlobal.navigator && /^getInterface/.test(key)) {
+ return false;
+ }
+
+ // an iframe could be approached by window[iframeIndex]
+ // in ie6,7,8 and opera, iframeIndex is enumerable, this could cause leak
+ if (commonjsGlobal.navigator && /^\d+/.test(key)) {
+ return false;
+ }
+
+ // Opera and IE expose global variables for HTML element IDs (issue #243)
+ if (/^mocha-/.test(key)) {
+ return false;
+ }
+
+ var matched = ok.filter(function (ok) {
+ if (~ok.indexOf('*')) {
+ return key.indexOf(ok.split('*')[0]) === 0;
+ }
+ return key === ok;
+ });
+ return !matched.length && (!commonjsGlobal.navigator || key !== 'onerror');
+ });
+ }
+
+ /**
+ * Check if argument is an instance of Error object or a duck-typed equivalent.
+ *
+ * @private
+ * @param {Object} err - object to check
+ * @param {string} err.message - error message
+ * @returns {boolean}
+ */
+ function isError(err) {
+ return err instanceof Error || (err && typeof err.message === 'string');
+ }
+
+ /**
+ *
+ * Converts thrown non-extensible type into proper Error.
+ *
+ * @private
+ * @param {*} thrown - Non-extensible type thrown by code
+ * @return {Error}
+ */
+ function thrown2Error(err) {
+ return new Error(
+ `the ${utils$1.canonicalType(err)} ${stringify(
+ err
+ )} was thrown, throw an Error :)`
+ );
+ }
+
+ Runner.constants = constants$1;
+
+ /**
+ * Node.js' `EventEmitter`
+ * @external EventEmitter
+ * @see {@link https://nodejs.org/api/events.html#events_class_eventemitter}
+ */
+
+ var runner = Runner;
+
+ (function (module, exports) {
+ /**
+ * @module Base
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var diff = lib;
+ var milliseconds = ms$1;
+ var utils = utils$3;
+ var supportsColor = require$$18;
+ var symbols = browser$1;
+ var constants = runner.constants;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+
+ const isBrowser = utils.isBrowser();
+
+ function getBrowserWindowSize() {
+ if ('innerHeight' in commonjsGlobal) {
+ return [commonjsGlobal.innerHeight, commonjsGlobal.innerWidth];
+ }
+ // In a Web Worker, the DOM Window is not available.
+ return [640, 480];
+ }
+
+ /**
+ * Expose `Base`.
+ */
+
+ exports = module.exports = Base;
+
+ /**
+ * Check if both stdio streams are associated with a tty.
+ */
+
+ var isatty = isBrowser || (process.stdout.isTTY && process.stderr.isTTY);
+
+ /**
+ * Save log references to avoid tests interfering (see GH-3604).
+ */
+ var consoleLog = console.log;
+
+ /**
+ * Enable coloring by default, except in the browser interface.
+ */
+
+ exports.useColors =
+ !isBrowser &&
+ (supportsColor.stdout || process.env.MOCHA_COLORS !== undefined);
+
+ /**
+ * Inline diffs instead of +/-
+ */
+
+ exports.inlineDiffs = false;
+
+ /**
+ * Truncate diffs longer than this value to avoid slow performance
+ */
+ exports.maxDiffSize = 8192;
+
+ /**
+ * Default color map.
+ */
+
+ exports.colors = {
+ pass: 90,
+ fail: 31,
+ 'bright pass': 92,
+ 'bright fail': 91,
+ 'bright yellow': 93,
+ pending: 36,
+ suite: 0,
+ 'error title': 0,
+ 'error message': 31,
+ 'error stack': 90,
+ checkmark: 32,
+ fast: 90,
+ medium: 33,
+ slow: 31,
+ green: 32,
+ light: 90,
+ 'diff gutter': 90,
+ 'diff added': 32,
+ 'diff removed': 31,
+ 'diff added inline': '30;42',
+ 'diff removed inline': '30;41'
+ };
+
+ /**
+ * Default symbol map.
+ */
+
+ exports.symbols = {
+ ok: symbols.success,
+ err: symbols.error,
+ dot: '.',
+ comma: ',',
+ bang: '!'
+ };
+
+ /**
+ * Color `str` with the given `type`,
+ * allowing colors to be disabled,
+ * as well as user-defined color
+ * schemes.
+ *
+ * @private
+ * @param {string} type
+ * @param {string} str
+ * @return {string}
+ */
+ var color = (exports.color = function (type, str) {
+ if (!exports.useColors) {
+ return String(str);
+ }
+ return '\u001b[' + exports.colors[type] + 'm' + str + '\u001b[0m';
+ });
+
+ /**
+ * Expose term window size, with some defaults for when stderr is not a tty.
+ */
+
+ exports.window = {
+ width: 75
+ };
+
+ if (isatty) {
+ if (isBrowser) {
+ exports.window.width = getBrowserWindowSize()[1];
+ } else {
+ exports.window.width = process.stdout.getWindowSize(1)[0];
+ }
+ }
+
+ /**
+ * Expose some basic cursor interactions that are common among reporters.
+ */
+
+ exports.cursor = {
+ hide: function () {
+ isatty && process.stdout.write('\u001b[?25l');
+ },
+
+ show: function () {
+ isatty && process.stdout.write('\u001b[?25h');
+ },
+
+ deleteLine: function () {
+ isatty && process.stdout.write('\u001b[2K');
+ },
+
+ beginningOfLine: function () {
+ isatty && process.stdout.write('\u001b[0G');
+ },
+
+ CR: function () {
+ if (isatty) {
+ exports.cursor.deleteLine();
+ exports.cursor.beginningOfLine();
+ } else {
+ process.stdout.write('\r');
+ }
+ }
+ };
+
+ var showDiff = (exports.showDiff = function (err) {
+ return (
+ err &&
+ err.showDiff !== false &&
+ sameType(err.actual, err.expected) &&
+ err.expected !== undefined
+ );
+ });
+
+ function stringifyDiffObjs(err) {
+ if (!utils.isString(err.actual) || !utils.isString(err.expected)) {
+ err.actual = utils.stringify(err.actual);
+ err.expected = utils.stringify(err.expected);
+ }
+ }
+
+ /**
+ * Returns a diff between 2 strings with coloured ANSI output.
+ *
+ * @description
+ * The diff will be either inline or unified dependent on the value
+ * of `Base.inlineDiff`.
+ *
+ * @param {string} actual
+ * @param {string} expected
+ * @return {string} Diff
+ */
+
+ var generateDiff = (exports.generateDiff = function (actual, expected) {
+ try {
+ var maxLen = exports.maxDiffSize;
+ var skipped = 0;
+ if (maxLen > 0) {
+ skipped = Math.max(actual.length - maxLen, expected.length - maxLen);
+ actual = actual.slice(0, maxLen);
+ expected = expected.slice(0, maxLen);
+ }
+ let result = exports.inlineDiffs
+ ? inlineDiff(actual, expected)
+ : unifiedDiff(actual, expected);
+ if (skipped > 0) {
+ result = `${result}\n [mocha] output truncated to ${maxLen} characters, see "maxDiffSize" reporter-option\n`;
+ }
+ return result;
+ } catch (err) {
+ var msg =
+ '\n ' +
+ color('diff added', '+ expected') +
+ ' ' +
+ color('diff removed', '- actual: failed to generate Mocha diff') +
+ '\n';
+ return msg;
+ }
+ });
+
+ /**
+ * Outputs the given `failures` as a list.
+ *
+ * @public
+ * @memberof Mocha.reporters.Base
+ * @variation 1
+ * @param {Object[]} failures - Each is Test instance with corresponding
+ * Error property
+ */
+ exports.list = function (failures) {
+ var multipleErr, multipleTest;
+ Base.consoleLog();
+ failures.forEach(function (test, i) {
+ // format
+ var fmt =
+ color('error title', ' %s) %s:\n') +
+ color('error message', ' %s') +
+ color('error stack', '\n%s\n');
+
+ // msg
+ var msg;
+ var err;
+ if (test.err && test.err.multiple) {
+ if (multipleTest !== test) {
+ multipleTest = test;
+ multipleErr = [test.err].concat(test.err.multiple);
+ }
+ err = multipleErr.shift();
+ } else {
+ err = test.err;
+ }
+ var message;
+ if (typeof err.inspect === 'function') {
+ message = err.inspect() + '';
+ } else if (err.message && typeof err.message.toString === 'function') {
+ message = err.message + '';
+ } else {
+ message = '';
+ }
+ var stack = err.stack || message;
+ var index = message ? stack.indexOf(message) : -1;
+
+ if (index === -1) {
+ msg = message;
+ } else {
+ index += message.length;
+ msg = stack.slice(0, index);
+ // remove msg from stack
+ stack = stack.slice(index + 1);
+ }
+
+ // uncaught
+ if (err.uncaught) {
+ msg = 'Uncaught ' + msg;
+ }
+ // explicitly show diff
+ if (!exports.hideDiff && showDiff(err)) {
+ stringifyDiffObjs(err);
+ fmt =
+ color('error title', ' %s) %s:\n%s') + color('error stack', '\n%s\n');
+ var match = message.match(/^([^:]+): expected/);
+ msg = '\n ' + color('error message', match ? match[1] : msg);
+
+ msg += generateDiff(err.actual, err.expected);
+ }
+
+ // indent stack trace
+ stack = stack.replace(/^/gm, ' ');
+
+ // indented test title
+ var testTitle = '';
+ test.titlePath().forEach(function (str, index) {
+ if (index !== 0) {
+ testTitle += '\n ';
+ }
+ for (var i = 0; i < index; i++) {
+ testTitle += ' ';
+ }
+ testTitle += str;
+ });
+
+ Base.consoleLog(fmt, i + 1, testTitle, msg, stack);
+ });
+ };
+
+ /**
+ * Constructs a new `Base` reporter instance.
+ *
+ * @description
+ * All other reporters generally inherit from this reporter.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function Base(runner, options) {
+ var failures = (this.failures = []);
+
+ if (!runner) {
+ throw new TypeError('Missing runner argument');
+ }
+ this.options = options || {};
+ this.runner = runner;
+ this.stats = runner.stats; // assigned so Reporters keep a closer reference
+
+ var maxDiffSizeOpt =
+ this.options.reporterOption && this.options.reporterOption.maxDiffSize;
+ if (maxDiffSizeOpt !== undefined && !isNaN(Number(maxDiffSizeOpt))) {
+ exports.maxDiffSize = Number(maxDiffSizeOpt);
+ }
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ if (test.duration > test.slow()) {
+ test.speed = 'slow';
+ } else if (test.duration > test.slow() / 2) {
+ test.speed = 'medium';
+ } else {
+ test.speed = 'fast';
+ }
+ });
+
+ runner.on(EVENT_TEST_FAIL, function (test, err) {
+ if (showDiff(err)) {
+ stringifyDiffObjs(err);
+ }
+ // more than one error per test
+ if (test.err && err instanceof Error) {
+ test.err.multiple = (test.err.multiple || []).concat(err);
+ } else {
+ test.err = err;
+ }
+ failures.push(test);
+ });
+ }
+
+ /**
+ * Outputs common epilogue used by many of the bundled reporters.
+ *
+ * @public
+ * @memberof Mocha.reporters
+ */
+ Base.prototype.epilogue = function () {
+ var stats = this.stats;
+ var fmt;
+
+ Base.consoleLog();
+
+ // passes
+ fmt =
+ color('bright pass', ' ') +
+ color('green', ' %d passing') +
+ color('light', ' (%s)');
+
+ Base.consoleLog(fmt, stats.passes || 0, milliseconds(stats.duration));
+
+ // pending
+ if (stats.pending) {
+ fmt = color('pending', ' ') + color('pending', ' %d pending');
+
+ Base.consoleLog(fmt, stats.pending);
+ }
+
+ // failures
+ if (stats.failures) {
+ fmt = color('fail', ' %d failing');
+
+ Base.consoleLog(fmt, stats.failures);
+
+ Base.list(this.failures);
+ Base.consoleLog();
+ }
+
+ Base.consoleLog();
+ };
+
+ /**
+ * Pads the given `str` to `len`.
+ *
+ * @private
+ * @param {string} str
+ * @param {string} len
+ * @return {string}
+ */
+ function pad(str, len) {
+ str = String(str);
+ return Array(len - str.length + 1).join(' ') + str;
+ }
+
+ /**
+ * Returns inline diff between 2 strings with coloured ANSI output.
+ *
+ * @private
+ * @param {String} actual
+ * @param {String} expected
+ * @return {string} Diff
+ */
+ function inlineDiff(actual, expected) {
+ var msg = errorDiff(actual, expected);
+
+ // linenos
+ var lines = msg.split('\n');
+ if (lines.length > 4) {
+ var width = String(lines.length).length;
+ msg = lines
+ .map(function (str, i) {
+ return pad(++i, width) + ' |' + ' ' + str;
+ })
+ .join('\n');
+ }
+
+ // legend
+ msg =
+ '\n' +
+ color('diff removed inline', 'actual') +
+ ' ' +
+ color('diff added inline', 'expected') +
+ '\n\n' +
+ msg +
+ '\n';
+
+ // indent
+ msg = msg.replace(/^/gm, ' ');
+ return msg;
+ }
+
+ /**
+ * Returns unified diff between two strings with coloured ANSI output.
+ *
+ * @private
+ * @param {String} actual
+ * @param {String} expected
+ * @return {string} The diff.
+ */
+ function unifiedDiff(actual, expected) {
+ var indent = ' ';
+ function cleanUp(line) {
+ if (line[0] === '+') {
+ return indent + colorLines('diff added', line);
+ }
+ if (line[0] === '-') {
+ return indent + colorLines('diff removed', line);
+ }
+ if (line.match(/@@/)) {
+ return '--';
+ }
+ if (line.match(/\\ No newline/)) {
+ return null;
+ }
+ return indent + line;
+ }
+ function notBlank(line) {
+ return typeof line !== 'undefined' && line !== null;
+ }
+ var msg = diff.createPatch('string', actual, expected);
+ var lines = msg.split('\n').splice(5);
+ return (
+ '\n ' +
+ colorLines('diff added', '+ expected') +
+ ' ' +
+ colorLines('diff removed', '- actual') +
+ '\n\n' +
+ lines.map(cleanUp).filter(notBlank).join('\n')
+ );
+ }
+
+ /**
+ * Returns character diff for `err`.
+ *
+ * @private
+ * @param {String} actual
+ * @param {String} expected
+ * @return {string} the diff
+ */
+ function errorDiff(actual, expected) {
+ return diff
+ .diffWordsWithSpace(actual, expected)
+ .map(function (str) {
+ if (str.added) {
+ return colorLines('diff added inline', str.value);
+ }
+ if (str.removed) {
+ return colorLines('diff removed inline', str.value);
+ }
+ return str.value;
+ })
+ .join('');
+ }
+
+ /**
+ * Colors lines for `str`, using the color `name`.
+ *
+ * @private
+ * @param {string} name
+ * @param {string} str
+ * @return {string}
+ */
+ function colorLines(name, str) {
+ return str
+ .split('\n')
+ .map(function (str) {
+ return color(name, str);
+ })
+ .join('\n');
+ }
+
+ /**
+ * Object#toString reference.
+ */
+ var objToString = Object.prototype.toString;
+
+ /**
+ * Checks that a / b have the same type.
+ *
+ * @private
+ * @param {Object} a
+ * @param {Object} b
+ * @return {boolean}
+ */
+ function sameType(a, b) {
+ return objToString.call(a) === objToString.call(b);
+ }
+
+ Base.consoleLog = consoleLog;
+
+ Base.abstract = true;
+ }(base$1, base$1.exports));
+
+ var dot = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module Dot
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var inherits = utils$3.inherits;
+ var constants = runner.constants;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+ var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
+ var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+
+ /**
+ * Expose `Dot`.
+ */
+
+ module.exports = Dot;
+
+ /**
+ * Constructs a new `Dot` reporter instance.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function Dot(runner, options) {
+ Base.call(this, runner, options);
+
+ var self = this;
+ var width = (Base.window.width * 0.75) | 0;
+ var n = -1;
+
+ runner.on(EVENT_RUN_BEGIN, function () {
+ process.stdout.write('\n');
+ });
+
+ runner.on(EVENT_TEST_PENDING, function () {
+ if (++n % width === 0) {
+ process.stdout.write('\n ');
+ }
+ process.stdout.write(Base.color('pending', Base.symbols.comma));
+ });
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ if (++n % width === 0) {
+ process.stdout.write('\n ');
+ }
+ if (test.speed === 'slow') {
+ process.stdout.write(Base.color('bright yellow', Base.symbols.dot));
+ } else {
+ process.stdout.write(Base.color(test.speed, Base.symbols.dot));
+ }
+ });
+
+ runner.on(EVENT_TEST_FAIL, function () {
+ if (++n % width === 0) {
+ process.stdout.write('\n ');
+ }
+ process.stdout.write(Base.color('fail', Base.symbols.bang));
+ });
+
+ runner.once(EVENT_RUN_END, function () {
+ process.stdout.write('\n');
+ self.epilogue();
+ });
+ }
+
+ /**
+ * Inherit from `Base.prototype`.
+ */
+ inherits(Dot, Base);
+
+ Dot.description = 'dot matrix representation';
+ }(dot));
+
+ var doc = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module Doc
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var utils = utils$3;
+ var constants = runner.constants;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+ var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
+ var EVENT_SUITE_END = constants.EVENT_SUITE_END;
+
+ /**
+ * Expose `Doc`.
+ */
+
+ module.exports = Doc;
+
+ /**
+ * Constructs a new `Doc` reporter instance.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function Doc(runner, options) {
+ Base.call(this, runner, options);
+
+ var indents = 2;
+
+ function indent() {
+ return Array(indents).join(' ');
+ }
+
+ runner.on(EVENT_SUITE_BEGIN, function (suite) {
+ if (suite.root) {
+ return;
+ }
+ ++indents;
+ Base.consoleLog('%s', indent());
+ ++indents;
+ Base.consoleLog('%s%s
', indent(), utils.escape(suite.title));
+ Base.consoleLog('%s', indent());
+ });
+
+ runner.on(EVENT_SUITE_END, function (suite) {
+ if (suite.root) {
+ return;
+ }
+ Base.consoleLog('%s
', indent());
+ --indents;
+ Base.consoleLog('%s', indent());
+ --indents;
+ });
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ Base.consoleLog('%s %s', indent(), utils.escape(test.title));
+ Base.consoleLog('%s %s', indent(), utils.escape(test.file));
+ var code = utils.escape(utils.clean(test.body));
+ Base.consoleLog('%s %s
', indent(), code);
+ });
+
+ runner.on(EVENT_TEST_FAIL, function (test, err) {
+ Base.consoleLog(
+ '%s %s',
+ indent(),
+ utils.escape(test.title)
+ );
+ Base.consoleLog(
+ '%s %s',
+ indent(),
+ utils.escape(test.file)
+ );
+ var code = utils.escape(utils.clean(test.body));
+ Base.consoleLog(
+ '%s %s
',
+ indent(),
+ code
+ );
+ Base.consoleLog(
+ '%s %s',
+ indent(),
+ utils.escape(err)
+ );
+ });
+ }
+
+ Doc.description = 'HTML documentation';
+ }(doc));
+
+ var tap = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module TAP
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var util = require$$0$1;
+ var Base = base$1.exports;
+ var constants = runner.constants;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+ var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+ var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
+ var EVENT_TEST_END = constants.EVENT_TEST_END;
+ var inherits = utils$3.inherits;
+ var sprintf = util.format;
+
+ /**
+ * Expose `TAP`.
+ */
+
+ module.exports = TAP;
+
+ /**
+ * Constructs a new `TAP` reporter instance.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function TAP(runner, options) {
+ Base.call(this, runner, options);
+
+ var self = this;
+ var n = 1;
+
+ var tapVersion = '12';
+ if (options && options.reporterOptions) {
+ if (options.reporterOptions.tapVersion) {
+ tapVersion = options.reporterOptions.tapVersion.toString();
+ }
+ }
+
+ this._producer = createProducer(tapVersion);
+
+ runner.once(EVENT_RUN_BEGIN, function () {
+ self._producer.writeVersion();
+ });
+
+ runner.on(EVENT_TEST_END, function () {
+ ++n;
+ });
+
+ runner.on(EVENT_TEST_PENDING, function (test) {
+ self._producer.writePending(n, test);
+ });
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ self._producer.writePass(n, test);
+ });
+
+ runner.on(EVENT_TEST_FAIL, function (test, err) {
+ self._producer.writeFail(n, test, err);
+ });
+
+ runner.once(EVENT_RUN_END, function () {
+ self._producer.writeEpilogue(runner.stats);
+ });
+ }
+
+ /**
+ * Inherit from `Base.prototype`.
+ */
+ inherits(TAP, Base);
+
+ /**
+ * Returns a TAP-safe title of `test`.
+ *
+ * @private
+ * @param {Test} test - Test instance.
+ * @return {String} title with any hash character removed
+ */
+ function title(test) {
+ return test.fullTitle().replace(/#/g, '');
+ }
+
+ /**
+ * Writes newline-terminated formatted string to reporter output stream.
+ *
+ * @private
+ * @param {string} format - `printf`-like format string
+ * @param {...*} [varArgs] - Format string arguments
+ */
+ function println(format, varArgs) {
+ var vargs = Array.from(arguments);
+ vargs[0] += '\n';
+ process.stdout.write(sprintf.apply(null, vargs));
+ }
+
+ /**
+ * Returns a `tapVersion`-appropriate TAP producer instance, if possible.
+ *
+ * @private
+ * @param {string} tapVersion - Version of TAP specification to produce.
+ * @returns {TAPProducer} specification-appropriate instance
+ * @throws {Error} if specification version has no associated producer.
+ */
+ function createProducer(tapVersion) {
+ var producers = {
+ 12: new TAP12Producer(),
+ 13: new TAP13Producer()
+ };
+ var producer = producers[tapVersion];
+
+ if (!producer) {
+ throw new Error(
+ 'invalid or unsupported TAP version: ' + JSON.stringify(tapVersion)
+ );
+ }
+
+ return producer;
+ }
+
+ /**
+ * @summary
+ * Constructs a new TAPProducer.
+ *
+ * @description
+ * Only to be used as an abstract base class.
+ *
+ * @private
+ * @constructor
+ */
+ function TAPProducer() {}
+
+ /**
+ * Writes the TAP version to reporter output stream.
+ *
+ * @abstract
+ */
+ TAPProducer.prototype.writeVersion = function () {};
+
+ /**
+ * Writes the plan to reporter output stream.
+ *
+ * @abstract
+ * @param {number} ntests - Number of tests that are planned to run.
+ */
+ TAPProducer.prototype.writePlan = function (ntests) {
+ println('%d..%d', 1, ntests);
+ };
+
+ /**
+ * Writes that test passed to reporter output stream.
+ *
+ * @abstract
+ * @param {number} n - Index of test that passed.
+ * @param {Test} test - Instance containing test information.
+ */
+ TAPProducer.prototype.writePass = function (n, test) {
+ println('ok %d %s', n, title(test));
+ };
+
+ /**
+ * Writes that test was skipped to reporter output stream.
+ *
+ * @abstract
+ * @param {number} n - Index of test that was skipped.
+ * @param {Test} test - Instance containing test information.
+ */
+ TAPProducer.prototype.writePending = function (n, test) {
+ println('ok %d %s # SKIP -', n, title(test));
+ };
+
+ /**
+ * Writes that test failed to reporter output stream.
+ *
+ * @abstract
+ * @param {number} n - Index of test that failed.
+ * @param {Test} test - Instance containing test information.
+ * @param {Error} err - Reason the test failed.
+ */
+ TAPProducer.prototype.writeFail = function (n, test, err) {
+ println('not ok %d %s', n, title(test));
+ };
+
+ /**
+ * Writes the summary epilogue to reporter output stream.
+ *
+ * @abstract
+ * @param {Object} stats - Object containing run statistics.
+ */
+ TAPProducer.prototype.writeEpilogue = function (stats) {
+ // :TBD: Why is this not counting pending tests?
+ println('# tests ' + (stats.passes + stats.failures));
+ println('# pass ' + stats.passes);
+ // :TBD: Why are we not showing pending results?
+ println('# fail ' + stats.failures);
+ this.writePlan(stats.passes + stats.failures + stats.pending);
+ };
+
+ /**
+ * @summary
+ * Constructs a new TAP12Producer.
+ *
+ * @description
+ * Produces output conforming to the TAP12 specification.
+ *
+ * @private
+ * @constructor
+ * @extends TAPProducer
+ * @see {@link https://testanything.org/tap-specification.html|Specification}
+ */
+ function TAP12Producer() {
+ /**
+ * Writes that test failed to reporter output stream, with error formatting.
+ * @override
+ */
+ this.writeFail = function (n, test, err) {
+ TAPProducer.prototype.writeFail.call(this, n, test, err);
+ if (err.message) {
+ println(err.message.replace(/^/gm, ' '));
+ }
+ if (err.stack) {
+ println(err.stack.replace(/^/gm, ' '));
+ }
+ };
+ }
+
+ /**
+ * Inherit from `TAPProducer.prototype`.
+ */
+ inherits(TAP12Producer, TAPProducer);
+
+ /**
+ * @summary
+ * Constructs a new TAP13Producer.
+ *
+ * @description
+ * Produces output conforming to the TAP13 specification.
+ *
+ * @private
+ * @constructor
+ * @extends TAPProducer
+ * @see {@link https://testanything.org/tap-version-13-specification.html|Specification}
+ */
+ function TAP13Producer() {
+ /**
+ * Writes the TAP version to reporter output stream.
+ * @override
+ */
+ this.writeVersion = function () {
+ println('TAP version 13');
+ };
+
+ /**
+ * Writes that test failed to reporter output stream, with error formatting.
+ * @override
+ */
+ this.writeFail = function (n, test, err) {
+ TAPProducer.prototype.writeFail.call(this, n, test, err);
+ var emitYamlBlock = err.message != null || err.stack != null;
+ if (emitYamlBlock) {
+ println(indent(1) + '---');
+ if (err.message) {
+ println(indent(2) + 'message: |-');
+ println(err.message.replace(/^/gm, indent(3)));
+ }
+ if (err.stack) {
+ println(indent(2) + 'stack: |-');
+ println(err.stack.replace(/^/gm, indent(3)));
+ }
+ println(indent(1) + '...');
+ }
+ };
+
+ function indent(level) {
+ return Array(level + 1).join(' ');
+ }
+ }
+
+ /**
+ * Inherit from `TAPProducer.prototype`.
+ */
+ inherits(TAP13Producer, TAPProducer);
+
+ TAP.description = 'TAP-compatible output';
+ }(tap));
+
+ var json = {exports: {}};
+
+ var _polyfillNode_fs = {};
+
+ var _polyfillNode_fs$1 = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ 'default': _polyfillNode_fs
+ });
+
+ var require$$2 = /*@__PURE__*/getAugmentedNamespace(_polyfillNode_fs$1);
+
+ (function (module, exports) {
+ /**
+ * @module JSON
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var fs = require$$2;
+ var path = require$$1;
+ const createUnsupportedError = errors$2.createUnsupportedError;
+ const utils = utils$3;
+ var constants = runner.constants;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+ var EVENT_TEST_END = constants.EVENT_TEST_END;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+
+ /**
+ * Expose `JSON`.
+ */
+
+ module.exports = JSONReporter;
+
+ /**
+ * Constructs a new `JSON` reporter instance.
+ *
+ * @public
+ * @class JSON
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function JSONReporter(runner, options = {}) {
+ Base.call(this, runner, options);
+
+ var self = this;
+ var tests = [];
+ var pending = [];
+ var failures = [];
+ var passes = [];
+ var output;
+
+ if (options.reporterOption && options.reporterOption.output) {
+ if (utils.isBrowser()) {
+ throw createUnsupportedError('file output not supported in browser');
+ }
+ output = options.reporterOption.output;
+ }
+
+ runner.on(EVENT_TEST_END, function (test) {
+ tests.push(test);
+ });
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ passes.push(test);
+ });
+
+ runner.on(EVENT_TEST_FAIL, function (test) {
+ failures.push(test);
+ });
+
+ runner.on(EVENT_TEST_PENDING, function (test) {
+ pending.push(test);
+ });
+
+ runner.once(EVENT_RUN_END, function () {
+ var obj = {
+ stats: self.stats,
+ tests: tests.map(clean),
+ pending: pending.map(clean),
+ failures: failures.map(clean),
+ passes: passes.map(clean)
+ };
+
+ runner.testResults = obj;
+
+ var json = JSON.stringify(obj, null, 2);
+ if (output) {
+ try {
+ fs.mkdirSync(path.dirname(output), {recursive: true});
+ fs.writeFileSync(output, json);
+ } catch (err) {
+ console.error(
+ `${Base.symbols.err} [mocha] writing output to "${output}" failed: ${err.message}\n`
+ );
+ process.stdout.write(json);
+ }
+ } else {
+ process.stdout.write(json);
+ }
+ });
+ }
+
+ /**
+ * Return a plain-object representation of `test`
+ * free of cyclic properties etc.
+ *
+ * @private
+ * @param {Object} test
+ * @return {Object}
+ */
+ function clean(test) {
+ var err = test.err || {};
+ if (err instanceof Error) {
+ err = errorJSON(err);
+ }
+
+ return {
+ title: test.title,
+ fullTitle: test.fullTitle(),
+ file: test.file,
+ duration: test.duration,
+ currentRetry: test.currentRetry(),
+ speed: test.speed,
+ err: cleanCycles(err)
+ };
+ }
+
+ /**
+ * Replaces any circular references inside `obj` with '[object Object]'
+ *
+ * @private
+ * @param {Object} obj
+ * @return {Object}
+ */
+ function cleanCycles(obj) {
+ var cache = [];
+ return JSON.parse(
+ JSON.stringify(obj, function (key, value) {
+ if (typeof value === 'object' && value !== null) {
+ if (cache.indexOf(value) !== -1) {
+ // Instead of going in a circle, we'll print [object Object]
+ return '' + value;
+ }
+ cache.push(value);
+ }
+
+ return value;
+ })
+ );
+ }
+
+ /**
+ * Transform an Error object into a JSON object.
+ *
+ * @private
+ * @param {Error} err
+ * @return {Object}
+ */
+ function errorJSON(err) {
+ var res = {};
+ Object.getOwnPropertyNames(err).forEach(function (key) {
+ res[key] = err[key];
+ }, err);
+ return res;
+ }
+
+ JSONReporter.description = 'single JSON object';
+ }(json));
+
+ var html = {exports: {}};
+
+ /**
+ @module browser/Progress
+ */
+
+ /**
+ * Expose `Progress`.
+ */
+
+ var progress$1 = Progress;
+
+ /**
+ * Initialize a new `Progress` indicator.
+ */
+ function Progress() {
+ this.percent = 0;
+ this.size(0);
+ this.fontSize(11);
+ this.font('helvetica, arial, sans-serif');
+ }
+
+ /**
+ * Set progress size to `size`.
+ *
+ * @public
+ * @param {number} size
+ * @return {Progress} Progress instance.
+ */
+ Progress.prototype.size = function (size) {
+ this._size = size;
+ return this;
+ };
+
+ /**
+ * Set text to `text`.
+ *
+ * @public
+ * @param {string} text
+ * @return {Progress} Progress instance.
+ */
+ Progress.prototype.text = function (text) {
+ this._text = text;
+ return this;
+ };
+
+ /**
+ * Set font size to `size`.
+ *
+ * @public
+ * @param {number} size
+ * @return {Progress} Progress instance.
+ */
+ Progress.prototype.fontSize = function (size) {
+ this._fontSize = size;
+ return this;
+ };
+
+ /**
+ * Set font to `family`.
+ *
+ * @param {string} family
+ * @return {Progress} Progress instance.
+ */
+ Progress.prototype.font = function (family) {
+ this._font = family;
+ return this;
+ };
+
+ /**
+ * Update percentage to `n`.
+ *
+ * @param {number} n
+ * @return {Progress} Progress instance.
+ */
+ Progress.prototype.update = function (n) {
+ this.percent = n;
+ return this;
+ };
+
+ /**
+ * Draw on `ctx`.
+ *
+ * @param {CanvasRenderingContext2d} ctx
+ * @return {Progress} Progress instance.
+ */
+ Progress.prototype.draw = function (ctx) {
+ try {
+ var percent = Math.min(this.percent, 100);
+ var size = this._size;
+ var half = size / 2;
+ var x = half;
+ var y = half;
+ var rad = half - 1;
+ var fontSize = this._fontSize;
+
+ ctx.font = fontSize + 'px ' + this._font;
+
+ var angle = Math.PI * 2 * (percent / 100);
+ ctx.clearRect(0, 0, size, size);
+
+ // outer circle
+ ctx.strokeStyle = '#9f9f9f';
+ ctx.beginPath();
+ ctx.arc(x, y, rad, 0, angle, false);
+ ctx.stroke();
+
+ // inner circle
+ ctx.strokeStyle = '#eee';
+ ctx.beginPath();
+ ctx.arc(x, y, rad - 1, 0, angle, true);
+ ctx.stroke();
+
+ // text
+ var text = this._text || (percent | 0) + '%';
+ var w = ctx.measureText(text).width;
+
+ ctx.fillText(text, x - w / 2 + 1, y + fontSize / 2 - 1);
+ } catch (ignore) {
+ // don't fail if we can't render progress
+ }
+ return this;
+ };
+
+ (function (module, exports) {
+
+ /* eslint-env browser */
+ /**
+ * @module HTML
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var utils = utils$3;
+ var Progress = progress$1;
+ var escapeRe = escapeStringRegexp;
+ var constants = runner.constants;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+ var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
+ var EVENT_SUITE_END = constants.EVENT_SUITE_END;
+ var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
+ var escape = utils.escape;
+
+ /**
+ * Save timer references to avoid Sinon interfering (see GH-237).
+ */
+
+ var Date = commonjsGlobal.Date;
+
+ /**
+ * Expose `HTML`.
+ */
+
+ module.exports = HTML;
+
+ /**
+ * Stats template.
+ */
+
+ var statsTemplate =
+ '';
+
+ var playIcon = '‣';
+
+ /**
+ * Constructs a new `HTML` reporter instance.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function HTML(runner, options) {
+ Base.call(this, runner, options);
+
+ var self = this;
+ var stats = this.stats;
+ var stat = fragment(statsTemplate);
+ var items = stat.getElementsByTagName('li');
+ var passes = items[1].getElementsByTagName('em')[0];
+ var passesLink = items[1].getElementsByTagName('a')[0];
+ var failures = items[2].getElementsByTagName('em')[0];
+ var failuresLink = items[2].getElementsByTagName('a')[0];
+ var duration = items[3].getElementsByTagName('em')[0];
+ var canvas = stat.getElementsByTagName('canvas')[0];
+ var report = fragment('');
+ var stack = [report];
+ var progress;
+ var ctx;
+ var root = document.getElementById('mocha');
+
+ if (canvas.getContext) {
+ var ratio = window.devicePixelRatio || 1;
+ canvas.style.width = canvas.width;
+ canvas.style.height = canvas.height;
+ canvas.width *= ratio;
+ canvas.height *= ratio;
+ ctx = canvas.getContext('2d');
+ ctx.scale(ratio, ratio);
+ progress = new Progress();
+ }
+
+ if (!root) {
+ return error('#mocha div missing, add it to your document');
+ }
+
+ // pass toggle
+ on(passesLink, 'click', function (evt) {
+ evt.preventDefault();
+ unhide();
+ var name = /pass/.test(report.className) ? '' : ' pass';
+ report.className = report.className.replace(/fail|pass/g, '') + name;
+ if (report.className.trim()) {
+ hideSuitesWithout('test pass');
+ }
+ });
+
+ // failure toggle
+ on(failuresLink, 'click', function (evt) {
+ evt.preventDefault();
+ unhide();
+ var name = /fail/.test(report.className) ? '' : ' fail';
+ report.className = report.className.replace(/fail|pass/g, '') + name;
+ if (report.className.trim()) {
+ hideSuitesWithout('test fail');
+ }
+ });
+
+ root.appendChild(stat);
+ root.appendChild(report);
+
+ if (progress) {
+ progress.size(40);
+ }
+
+ runner.on(EVENT_SUITE_BEGIN, function (suite) {
+ if (suite.root) {
+ return;
+ }
+
+ // suite
+ var url = self.suiteURL(suite);
+ var el = fragment(
+ '',
+ url,
+ escape(suite.title)
+ );
+
+ // container
+ stack[0].appendChild(el);
+ stack.unshift(document.createElement('ul'));
+ el.appendChild(stack[0]);
+ });
+
+ runner.on(EVENT_SUITE_END, function (suite) {
+ if (suite.root) {
+ updateStats();
+ return;
+ }
+ stack.shift();
+ });
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ var url = self.testURL(test);
+ var markup =
+ '';
+ var el = fragment(markup, test.speed, test.title, test.duration, url);
+ self.addCodeToggle(el, test.body);
+ appendToStack(el);
+ updateStats();
+ });
+
+ runner.on(EVENT_TEST_FAIL, function (test) {
+ var el = fragment(
+ '',
+ test.title,
+ self.testURL(test)
+ );
+ var stackString; // Note: Includes leading newline
+ var message = test.err.toString();
+
+ // <=IE7 stringifies to [Object Error]. Since it can be overloaded, we
+ // check for the result of the stringifying.
+ if (message === '[object Error]') {
+ message = test.err.message;
+ }
+
+ if (test.err.stack) {
+ var indexOfMessage = test.err.stack.indexOf(test.err.message);
+ if (indexOfMessage === -1) {
+ stackString = test.err.stack;
+ } else {
+ stackString = test.err.stack.slice(
+ test.err.message.length + indexOfMessage
+ );
+ }
+ } else if (test.err.sourceURL && test.err.line !== undefined) {
+ // Safari doesn't give you a stack. Let's at least provide a source line.
+ stackString = '\n(' + test.err.sourceURL + ':' + test.err.line + ')';
+ }
+
+ stackString = stackString || '';
+
+ if (test.err.htmlMessage && stackString) {
+ el.appendChild(
+ fragment(
+ '',
+ test.err.htmlMessage,
+ stackString
+ )
+ );
+ } else if (test.err.htmlMessage) {
+ el.appendChild(
+ fragment('%s
', test.err.htmlMessage)
+ );
+ } else {
+ el.appendChild(
+ fragment('%e%e
', message, stackString)
+ );
+ }
+
+ self.addCodeToggle(el, test.body);
+ appendToStack(el);
+ updateStats();
+ });
+
+ runner.on(EVENT_TEST_PENDING, function (test) {
+ var el = fragment(
+ '%e
',
+ test.title
+ );
+ appendToStack(el);
+ updateStats();
+ });
+
+ function appendToStack(el) {
+ // Don't call .appendChild if #mocha-report was already .shift()'ed off the stack.
+ if (stack[0]) {
+ stack[0].appendChild(el);
+ }
+ }
+
+ function updateStats() {
+ // TODO: add to stats
+ var percent = ((stats.tests / runner.total) * 100) | 0;
+ if (progress) {
+ progress.update(percent).draw(ctx);
+ }
+
+ // update stats
+ var ms = new Date() - stats.start;
+ text(passes, stats.passes);
+ text(failures, stats.failures);
+ text(duration, (ms / 1000).toFixed(2));
+ }
+ }
+
+ /**
+ * Makes a URL, preserving querystring ("search") parameters.
+ *
+ * @param {string} s
+ * @return {string} A new URL.
+ */
+ function makeUrl(s) {
+ var search = window.location.search;
+
+ // Remove previous grep query parameter if present
+ if (search) {
+ search = search.replace(/[?&]grep=[^&\s]*/g, '').replace(/^&/, '?');
+ }
+
+ return (
+ window.location.pathname +
+ (search ? search + '&' : '?') +
+ 'grep=' +
+ encodeURIComponent(escapeRe(s))
+ );
+ }
+
+ /**
+ * Provide suite URL.
+ *
+ * @param {Object} [suite]
+ */
+ HTML.prototype.suiteURL = function (suite) {
+ return makeUrl(suite.fullTitle());
+ };
+
+ /**
+ * Provide test URL.
+ *
+ * @param {Object} [test]
+ */
+ HTML.prototype.testURL = function (test) {
+ return makeUrl(test.fullTitle());
+ };
+
+ /**
+ * Adds code toggle functionality for the provided test's list element.
+ *
+ * @param {HTMLLIElement} el
+ * @param {string} contents
+ */
+ HTML.prototype.addCodeToggle = function (el, contents) {
+ var h2 = el.getElementsByTagName('h2')[0];
+
+ on(h2, 'click', function () {
+ pre.style.display = pre.style.display === 'none' ? 'block' : 'none';
+ });
+
+ var pre = fragment('%e
', utils.clean(contents));
+ el.appendChild(pre);
+ pre.style.display = 'none';
+ };
+
+ /**
+ * Display error `msg`.
+ *
+ * @param {string} msg
+ */
+ function error(msg) {
+ document.body.appendChild(fragment('%s
', msg));
+ }
+
+ /**
+ * Return a DOM fragment from `html`.
+ *
+ * @param {string} html
+ */
+ function fragment(html) {
+ var args = arguments;
+ var div = document.createElement('div');
+ var i = 1;
+
+ div.innerHTML = html.replace(/%([se])/g, function (_, type) {
+ switch (type) {
+ case 's':
+ return String(args[i++]);
+ case 'e':
+ return escape(args[i++]);
+ // no default
+ }
+ });
+
+ return div.firstChild;
+ }
+
+ /**
+ * Check for suites that do not have elements
+ * with `classname`, and hide them.
+ *
+ * @param {text} classname
+ */
+ function hideSuitesWithout(classname) {
+ var suites = document.getElementsByClassName('suite');
+ for (var i = 0; i < suites.length; i++) {
+ var els = suites[i].getElementsByClassName(classname);
+ if (!els.length) {
+ suites[i].className += ' hidden';
+ }
+ }
+ }
+
+ /**
+ * Unhide .hidden suites.
+ */
+ function unhide() {
+ var els = document.getElementsByClassName('suite hidden');
+ while (els.length > 0) {
+ els[0].className = els[0].className.replace('suite hidden', 'suite');
+ }
+ }
+
+ /**
+ * Set an element's text contents.
+ *
+ * @param {HTMLElement} el
+ * @param {string} contents
+ */
+ function text(el, contents) {
+ if (el.textContent) {
+ el.textContent = contents;
+ } else {
+ el.innerText = contents;
+ }
+ }
+
+ /**
+ * Listen on `event` with callback `fn`.
+ */
+ function on(el, event, fn) {
+ if (el.addEventListener) {
+ el.addEventListener(event, fn, false);
+ } else {
+ el.attachEvent('on' + event, fn);
+ }
+ }
+
+ HTML.browserOnly = true;
+ }(html));
+
+ var list = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module List
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var inherits = utils$3.inherits;
+ var constants = runner.constants;
+ var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+ var EVENT_TEST_BEGIN = constants.EVENT_TEST_BEGIN;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
+ var color = Base.color;
+ var cursor = Base.cursor;
+
+ /**
+ * Expose `List`.
+ */
+
+ module.exports = List;
+
+ /**
+ * Constructs a new `List` reporter instance.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function List(runner, options) {
+ Base.call(this, runner, options);
+
+ var self = this;
+ var n = 0;
+
+ runner.on(EVENT_RUN_BEGIN, function () {
+ Base.consoleLog();
+ });
+
+ runner.on(EVENT_TEST_BEGIN, function (test) {
+ process.stdout.write(color('pass', ' ' + test.fullTitle() + ': '));
+ });
+
+ runner.on(EVENT_TEST_PENDING, function (test) {
+ var fmt = color('checkmark', ' -') + color('pending', ' %s');
+ Base.consoleLog(fmt, test.fullTitle());
+ });
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ var fmt =
+ color('checkmark', ' ' + Base.symbols.ok) +
+ color('pass', ' %s: ') +
+ color(test.speed, '%dms');
+ cursor.CR();
+ Base.consoleLog(fmt, test.fullTitle(), test.duration);
+ });
+
+ runner.on(EVENT_TEST_FAIL, function (test) {
+ cursor.CR();
+ Base.consoleLog(color('fail', ' %d) %s'), ++n, test.fullTitle());
+ });
+
+ runner.once(EVENT_RUN_END, self.epilogue.bind(self));
+ }
+
+ /**
+ * Inherit from `Base.prototype`.
+ */
+ inherits(List, Base);
+
+ List.description = 'like "spec" reporter but flat';
+ }(list));
+
+ var min = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module Min
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var inherits = utils$3.inherits;
+ var constants = runner.constants;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+ var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
+
+ /**
+ * Expose `Min`.
+ */
+
+ module.exports = Min;
+
+ /**
+ * Constructs a new `Min` reporter instance.
+ *
+ * @description
+ * This minimal test reporter is best used with '--watch'.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function Min(runner, options) {
+ Base.call(this, runner, options);
+
+ runner.on(EVENT_RUN_BEGIN, function () {
+ // clear screen
+ process.stdout.write('\u001b[2J');
+ // set cursor position
+ process.stdout.write('\u001b[1;3H');
+ });
+
+ runner.once(EVENT_RUN_END, this.epilogue.bind(this));
+ }
+
+ /**
+ * Inherit from `Base.prototype`.
+ */
+ inherits(Min, Base);
+
+ Min.description = 'essentially just a summary';
+ }(min));
+
+ var spec = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module Spec
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var constants = runner.constants;
+ var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+ var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
+ var EVENT_SUITE_END = constants.EVENT_SUITE_END;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
+ var inherits = utils$3.inherits;
+ var color = Base.color;
+
+ /**
+ * Expose `Spec`.
+ */
+
+ module.exports = Spec;
+
+ /**
+ * Constructs a new `Spec` reporter instance.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function Spec(runner, options) {
+ Base.call(this, runner, options);
+
+ var self = this;
+ var indents = 0;
+ var n = 0;
+
+ function indent() {
+ return Array(indents).join(' ');
+ }
+
+ runner.on(EVENT_RUN_BEGIN, function () {
+ Base.consoleLog();
+ });
+
+ runner.on(EVENT_SUITE_BEGIN, function (suite) {
+ ++indents;
+ Base.consoleLog(color('suite', '%s%s'), indent(), suite.title);
+ });
+
+ runner.on(EVENT_SUITE_END, function () {
+ --indents;
+ if (indents === 1) {
+ Base.consoleLog();
+ }
+ });
+
+ runner.on(EVENT_TEST_PENDING, function (test) {
+ var fmt = indent() + color('pending', ' - %s');
+ Base.consoleLog(fmt, test.title);
+ });
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ var fmt;
+ if (test.speed === 'fast') {
+ fmt =
+ indent() +
+ color('checkmark', ' ' + Base.symbols.ok) +
+ color('pass', ' %s');
+ Base.consoleLog(fmt, test.title);
+ } else {
+ fmt =
+ indent() +
+ color('checkmark', ' ' + Base.symbols.ok) +
+ color('pass', ' %s') +
+ color(test.speed, ' (%dms)');
+ Base.consoleLog(fmt, test.title, test.duration);
+ }
+ });
+
+ runner.on(EVENT_TEST_FAIL, function (test) {
+ Base.consoleLog(indent() + color('fail', ' %d) %s'), ++n, test.title);
+ });
+
+ runner.once(EVENT_RUN_END, self.epilogue.bind(self));
+ }
+
+ /**
+ * Inherit from `Base.prototype`.
+ */
+ inherits(Spec, Base);
+
+ Spec.description = 'hierarchical & verbose [default]';
+ }(spec));
+
+ var nyan = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module Nyan
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var constants = runner.constants;
+ var inherits = utils$3.inherits;
+ var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
+ var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+
+ /**
+ * Expose `Dot`.
+ */
+
+ module.exports = NyanCat;
+
+ /**
+ * Constructs a new `Nyan` reporter instance.
+ *
+ * @public
+ * @class Nyan
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function NyanCat(runner, options) {
+ Base.call(this, runner, options);
+
+ var self = this;
+ var width = (Base.window.width * 0.75) | 0;
+ var nyanCatWidth = (this.nyanCatWidth = 11);
+
+ this.colorIndex = 0;
+ this.numberOfLines = 4;
+ this.rainbowColors = self.generateColors();
+ this.scoreboardWidth = 5;
+ this.tick = 0;
+ this.trajectories = [[], [], [], []];
+ this.trajectoryWidthMax = width - nyanCatWidth;
+
+ runner.on(EVENT_RUN_BEGIN, function () {
+ Base.cursor.hide();
+ self.draw();
+ });
+
+ runner.on(EVENT_TEST_PENDING, function () {
+ self.draw();
+ });
+
+ runner.on(EVENT_TEST_PASS, function () {
+ self.draw();
+ });
+
+ runner.on(EVENT_TEST_FAIL, function () {
+ self.draw();
+ });
+
+ runner.once(EVENT_RUN_END, function () {
+ Base.cursor.show();
+ for (var i = 0; i < self.numberOfLines; i++) {
+ write('\n');
+ }
+ self.epilogue();
+ });
+ }
+
+ /**
+ * Inherit from `Base.prototype`.
+ */
+ inherits(NyanCat, Base);
+
+ /**
+ * Draw the nyan cat
+ *
+ * @private
+ */
+
+ NyanCat.prototype.draw = function () {
+ this.appendRainbow();
+ this.drawScoreboard();
+ this.drawRainbow();
+ this.drawNyanCat();
+ this.tick = !this.tick;
+ };
+
+ /**
+ * Draw the "scoreboard" showing the number
+ * of passes, failures and pending tests.
+ *
+ * @private
+ */
+
+ NyanCat.prototype.drawScoreboard = function () {
+ var stats = this.stats;
+
+ function draw(type, n) {
+ write(' ');
+ write(Base.color(type, n));
+ write('\n');
+ }
+
+ draw('green', stats.passes);
+ draw('fail', stats.failures);
+ draw('pending', stats.pending);
+ write('\n');
+
+ this.cursorUp(this.numberOfLines);
+ };
+
+ /**
+ * Append the rainbow.
+ *
+ * @private
+ */
+
+ NyanCat.prototype.appendRainbow = function () {
+ var segment = this.tick ? '_' : '-';
+ var rainbowified = this.rainbowify(segment);
+
+ for (var index = 0; index < this.numberOfLines; index++) {
+ var trajectory = this.trajectories[index];
+ if (trajectory.length >= this.trajectoryWidthMax) {
+ trajectory.shift();
+ }
+ trajectory.push(rainbowified);
+ }
+ };
+
+ /**
+ * Draw the rainbow.
+ *
+ * @private
+ */
+
+ NyanCat.prototype.drawRainbow = function () {
+ var self = this;
+
+ this.trajectories.forEach(function (line) {
+ write('\u001b[' + self.scoreboardWidth + 'C');
+ write(line.join(''));
+ write('\n');
+ });
+
+ this.cursorUp(this.numberOfLines);
+ };
+
+ /**
+ * Draw the nyan cat
+ *
+ * @private
+ */
+ NyanCat.prototype.drawNyanCat = function () {
+ var self = this;
+ var startWidth = this.scoreboardWidth + this.trajectories[0].length;
+ var dist = '\u001b[' + startWidth + 'C';
+ var padding = '';
+
+ write(dist);
+ write('_,------,');
+ write('\n');
+
+ write(dist);
+ padding = self.tick ? ' ' : ' ';
+ write('_|' + padding + '/\\_/\\ ');
+ write('\n');
+
+ write(dist);
+ padding = self.tick ? '_' : '__';
+ var tail = self.tick ? '~' : '^';
+ write(tail + '|' + padding + this.face() + ' ');
+ write('\n');
+
+ write(dist);
+ padding = self.tick ? ' ' : ' ';
+ write(padding + '"" "" ');
+ write('\n');
+
+ this.cursorUp(this.numberOfLines);
+ };
+
+ /**
+ * Draw nyan cat face.
+ *
+ * @private
+ * @return {string}
+ */
+
+ NyanCat.prototype.face = function () {
+ var stats = this.stats;
+ if (stats.failures) {
+ return '( x .x)';
+ } else if (stats.pending) {
+ return '( o .o)';
+ } else if (stats.passes) {
+ return '( ^ .^)';
+ }
+ return '( - .-)';
+ };
+
+ /**
+ * Move cursor up `n`.
+ *
+ * @private
+ * @param {number} n
+ */
+
+ NyanCat.prototype.cursorUp = function (n) {
+ write('\u001b[' + n + 'A');
+ };
+
+ /**
+ * Move cursor down `n`.
+ *
+ * @private
+ * @param {number} n
+ */
+
+ NyanCat.prototype.cursorDown = function (n) {
+ write('\u001b[' + n + 'B');
+ };
+
+ /**
+ * Generate rainbow colors.
+ *
+ * @private
+ * @return {Array}
+ */
+ NyanCat.prototype.generateColors = function () {
+ var colors = [];
+
+ for (var i = 0; i < 6 * 7; i++) {
+ var pi3 = Math.floor(Math.PI / 3);
+ var n = i * (1.0 / 6);
+ var r = Math.floor(3 * Math.sin(n) + 3);
+ var g = Math.floor(3 * Math.sin(n + 2 * pi3) + 3);
+ var b = Math.floor(3 * Math.sin(n + 4 * pi3) + 3);
+ colors.push(36 * r + 6 * g + b + 16);
+ }
+
+ return colors;
+ };
+
+ /**
+ * Apply rainbow to the given `str`.
+ *
+ * @private
+ * @param {string} str
+ * @return {string}
+ */
+ NyanCat.prototype.rainbowify = function (str) {
+ if (!Base.useColors) {
+ return str;
+ }
+ var color = this.rainbowColors[this.colorIndex % this.rainbowColors.length];
+ this.colorIndex += 1;
+ return '\u001b[38;5;' + color + 'm' + str + '\u001b[0m';
+ };
+
+ /**
+ * Stdout helper.
+ *
+ * @param {string} string A message to write to stdout.
+ */
+ function write(string) {
+ process.stdout.write(string);
+ }
+
+ NyanCat.description = '"nyan cat"';
+ }(nyan));
+
+ var xunit = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module XUnit
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var utils = utils$3;
+ var fs = require$$2;
+ var path = require$$1;
+ var errors = errors$2;
+ var createUnsupportedError = errors.createUnsupportedError;
+ var constants = runner.constants;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+ var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
+ var STATE_FAILED = runnable.constants.STATE_FAILED;
+ var inherits = utils.inherits;
+ var escape = utils.escape;
+
+ /**
+ * Save timer references to avoid Sinon interfering (see GH-237).
+ */
+ var Date = commonjsGlobal.Date;
+
+ /**
+ * Expose `XUnit`.
+ */
+
+ module.exports = XUnit;
+
+ /**
+ * Constructs a new `XUnit` reporter instance.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function XUnit(runner, options) {
+ Base.call(this, runner, options);
+
+ var stats = this.stats;
+ var tests = [];
+ var self = this;
+
+ // the name of the test suite, as it will appear in the resulting XML file
+ var suiteName;
+
+ // the default name of the test suite if none is provided
+ var DEFAULT_SUITE_NAME = 'Mocha Tests';
+
+ if (options && options.reporterOptions) {
+ if (options.reporterOptions.output) {
+ if (!fs.createWriteStream) {
+ throw createUnsupportedError('file output not supported in browser');
+ }
+
+ fs.mkdirSync(path.dirname(options.reporterOptions.output), {
+ recursive: true
+ });
+ self.fileStream = fs.createWriteStream(options.reporterOptions.output);
+ }
+
+ // get the suite name from the reporter options (if provided)
+ suiteName = options.reporterOptions.suiteName;
+ }
+
+ // fall back to the default suite name
+ suiteName = suiteName || DEFAULT_SUITE_NAME;
+
+ runner.on(EVENT_TEST_PENDING, function (test) {
+ tests.push(test);
+ });
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ tests.push(test);
+ });
+
+ runner.on(EVENT_TEST_FAIL, function (test) {
+ tests.push(test);
+ });
+
+ runner.once(EVENT_RUN_END, function () {
+ self.write(
+ tag(
+ 'testsuite',
+ {
+ name: suiteName,
+ tests: stats.tests,
+ failures: 0,
+ errors: stats.failures,
+ skipped: stats.tests - stats.failures - stats.passes,
+ timestamp: new Date().toUTCString(),
+ time: stats.duration / 1000 || 0
+ },
+ false
+ )
+ );
+
+ tests.forEach(function (t) {
+ self.test(t);
+ });
+
+ self.write('');
+ });
+ }
+
+ /**
+ * Inherit from `Base.prototype`.
+ */
+ inherits(XUnit, Base);
+
+ /**
+ * Override done to close the stream (if it's a file).
+ *
+ * @param failures
+ * @param {Function} fn
+ */
+ XUnit.prototype.done = function (failures, fn) {
+ if (this.fileStream) {
+ this.fileStream.end(function () {
+ fn(failures);
+ });
+ } else {
+ fn(failures);
+ }
+ };
+
+ /**
+ * Write out the given line.
+ *
+ * @param {string} line
+ */
+ XUnit.prototype.write = function (line) {
+ if (this.fileStream) {
+ this.fileStream.write(line + '\n');
+ } else if (typeof process === 'object' && process.stdout) {
+ process.stdout.write(line + '\n');
+ } else {
+ Base.consoleLog(line);
+ }
+ };
+
+ /**
+ * Output tag for the given `test.`
+ *
+ * @param {Test} test
+ */
+ XUnit.prototype.test = function (test) {
+ Base.useColors = false;
+
+ var attrs = {
+ classname: test.parent.fullTitle(),
+ name: test.title,
+ time: test.duration / 1000 || 0
+ };
+
+ if (test.state === STATE_FAILED) {
+ var err = test.err;
+ var diff =
+ !Base.hideDiff && Base.showDiff(err)
+ ? '\n' + Base.generateDiff(err.actual, err.expected)
+ : '';
+ this.write(
+ tag(
+ 'testcase',
+ attrs,
+ false,
+ tag(
+ 'failure',
+ {},
+ false,
+ escape(err.message) + escape(diff) + '\n' + escape(err.stack)
+ )
+ )
+ );
+ } else if (test.isPending()) {
+ this.write(tag('testcase', attrs, false, tag('skipped', {}, true)));
+ } else {
+ this.write(tag('testcase', attrs, true));
+ }
+ };
+
+ /**
+ * HTML tag helper.
+ *
+ * @param name
+ * @param attrs
+ * @param close
+ * @param content
+ * @return {string}
+ */
+ function tag(name, attrs, close, content) {
+ var end = close ? '/>' : '>';
+ var pairs = [];
+ var tag;
+
+ for (var key in attrs) {
+ if (Object.prototype.hasOwnProperty.call(attrs, key)) {
+ pairs.push(key + '="' + escape(attrs[key]) + '"');
+ }
+ }
+
+ tag = '<' + name + (pairs.length ? ' ' + pairs.join(' ') : '') + end;
+ if (content) {
+ tag += content + '' + '\n';
+ buf += title(suite.title) + '\n';
+ });
+
+ runner.on(EVENT_SUITE_END, function () {
+ --level;
+ });
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ var code = utils.clean(test.body);
+ buf += test.title + '.\n';
+ buf += '\n```js\n';
+ buf += code + '\n';
+ buf += '```\n\n';
+ });
+
+ runner.once(EVENT_RUN_END, function () {
+ process.stdout.write('# TOC\n');
+ process.stdout.write(generateTOC(runner.suite));
+ process.stdout.write(buf);
+ });
+ }
+
+ Markdown.description = 'GitHub Flavored Markdown';
+ }(markdown));
+
+ var progress = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module Progress
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var constants = runner.constants;
+ var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
+ var EVENT_TEST_END = constants.EVENT_TEST_END;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+ var inherits = utils$3.inherits;
+ var color = Base.color;
+ var cursor = Base.cursor;
+
+ /**
+ * Expose `Progress`.
+ */
+
+ module.exports = Progress;
+
+ /**
+ * General progress bar color.
+ */
+
+ Base.colors.progress = 90;
+
+ /**
+ * Constructs a new `Progress` reporter instance.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function Progress(runner, options) {
+ Base.call(this, runner, options);
+
+ var self = this;
+ var width = (Base.window.width * 0.5) | 0;
+ var total = runner.total;
+ var complete = 0;
+ var lastN = -1;
+
+ // default chars
+ options = options || {};
+ var reporterOptions = options.reporterOptions || {};
+
+ options.open = reporterOptions.open || '[';
+ options.complete = reporterOptions.complete || '▬';
+ options.incomplete = reporterOptions.incomplete || Base.symbols.dot;
+ options.close = reporterOptions.close || ']';
+ options.verbose = reporterOptions.verbose || false;
+
+ // tests started
+ runner.on(EVENT_RUN_BEGIN, function () {
+ process.stdout.write('\n');
+ cursor.hide();
+ });
+
+ // tests complete
+ runner.on(EVENT_TEST_END, function () {
+ complete++;
+
+ var percent = complete / total;
+ var n = (width * percent) | 0;
+ var i = width - n;
+
+ if (n === lastN && !options.verbose) {
+ // Don't re-render the line if it hasn't changed
+ return;
+ }
+ lastN = n;
+
+ cursor.CR();
+ process.stdout.write('\u001b[J');
+ process.stdout.write(color('progress', ' ' + options.open));
+ process.stdout.write(Array(n).join(options.complete));
+ process.stdout.write(Array(i).join(options.incomplete));
+ process.stdout.write(color('progress', options.close));
+ if (options.verbose) {
+ process.stdout.write(color('progress', ' ' + complete + ' of ' + total));
+ }
+ });
+
+ // tests are complete, output some stats
+ // and the failures if any
+ runner.once(EVENT_RUN_END, function () {
+ cursor.show();
+ process.stdout.write('\n');
+ self.epilogue();
+ });
+ }
+
+ /**
+ * Inherit from `Base.prototype`.
+ */
+ inherits(Progress, Base);
+
+ Progress.description = 'a progress bar';
+ }(progress));
+
+ var landing = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module Landing
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var inherits = utils$3.inherits;
+ var constants = runner.constants;
+ var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+ var EVENT_TEST_END = constants.EVENT_TEST_END;
+ var STATE_FAILED = runnable.constants.STATE_FAILED;
+
+ var cursor = Base.cursor;
+ var color = Base.color;
+
+ /**
+ * Expose `Landing`.
+ */
+
+ module.exports = Landing;
+
+ /**
+ * Airplane color.
+ */
+
+ Base.colors.plane = 0;
+
+ /**
+ * Airplane crash color.
+ */
+
+ Base.colors['plane crash'] = 31;
+
+ /**
+ * Runway color.
+ */
+
+ Base.colors.runway = 90;
+
+ /**
+ * Constructs a new `Landing` reporter instance.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function Landing(runner, options) {
+ Base.call(this, runner, options);
+
+ var self = this;
+ var width = (Base.window.width * 0.75) | 0;
+ var stream = process.stdout;
+
+ var plane = color('plane', '✈');
+ var crashed = -1;
+ var n = 0;
+ var total = 0;
+
+ function runway() {
+ var buf = Array(width).join('-');
+ return ' ' + color('runway', buf);
+ }
+
+ runner.on(EVENT_RUN_BEGIN, function () {
+ stream.write('\n\n\n ');
+ cursor.hide();
+ });
+
+ runner.on(EVENT_TEST_END, function (test) {
+ // check if the plane crashed
+ var col = crashed === -1 ? ((width * ++n) / ++total) | 0 : crashed;
+ // show the crash
+ if (test.state === STATE_FAILED) {
+ plane = color('plane crash', '✈');
+ crashed = col;
+ }
+
+ // render landing strip
+ stream.write('\u001b[' + (width + 1) + 'D\u001b[2A');
+ stream.write(runway());
+ stream.write('\n ');
+ stream.write(color('runway', Array(col).join('⋅')));
+ stream.write(plane);
+ stream.write(color('runway', Array(width - col).join('⋅') + '\n'));
+ stream.write(runway());
+ stream.write('\u001b[0m');
+ });
+
+ runner.once(EVENT_RUN_END, function () {
+ cursor.show();
+ process.stdout.write('\n');
+ self.epilogue();
+ });
+
+ // if cursor is hidden when we ctrl-C, then it will remain hidden unless...
+ process.once('SIGINT', function () {
+ cursor.show();
+ nextTick$1(function () {
+ process.kill(process.pid, 'SIGINT');
+ });
+ });
+ }
+
+ /**
+ * Inherit from `Base.prototype`.
+ */
+ inherits(Landing, Base);
+
+ Landing.description = 'Unicode landing strip';
+ }(landing));
+
+ var jsonStream = {exports: {}};
+
+ (function (module, exports) {
+ /**
+ * @module JSONStream
+ */
+ /**
+ * Module dependencies.
+ */
+
+ var Base = base$1.exports;
+ var constants = runner.constants;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+ var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+
+ /**
+ * Expose `JSONStream`.
+ */
+
+ module.exports = JSONStream;
+
+ /**
+ * Constructs a new `JSONStream` reporter instance.
+ *
+ * @public
+ * @class
+ * @memberof Mocha.reporters
+ * @extends Mocha.reporters.Base
+ * @param {Runner} runner - Instance triggers reporter actions.
+ * @param {Object} [options] - runner options
+ */
+ function JSONStream(runner, options) {
+ Base.call(this, runner, options);
+
+ var self = this;
+ var total = runner.total;
+
+ runner.once(EVENT_RUN_BEGIN, function () {
+ writeEvent(['start', {total: total}]);
+ });
+
+ runner.on(EVENT_TEST_PASS, function (test) {
+ writeEvent(['pass', clean(test)]);
+ });
+
+ runner.on(EVENT_TEST_FAIL, function (test, err) {
+ test = clean(test);
+ test.err = err.message;
+ test.stack = err.stack || null;
+ writeEvent(['fail', test]);
+ });
+
+ runner.once(EVENT_RUN_END, function () {
+ writeEvent(['end', self.stats]);
+ });
+ }
+
+ /**
+ * Mocha event to be written to the output stream.
+ * @typedef {Array} JSONStream~MochaEvent
+ */
+
+ /**
+ * Writes Mocha event to reporter output stream.
+ *
+ * @private
+ * @param {JSONStream~MochaEvent} event - Mocha event to be output.
+ */
+ function writeEvent(event) {
+ process.stdout.write(JSON.stringify(event) + '\n');
+ }
+
+ /**
+ * Returns an object literal representation of `test`
+ * free of cyclic properties, etc.
+ *
+ * @private
+ * @param {Test} test - Instance used as data source.
+ * @return {Object} object containing pared-down test instance data
+ */
+ function clean(test) {
+ return {
+ title: test.title,
+ fullTitle: test.fullTitle(),
+ file: test.file,
+ duration: test.duration,
+ currentRetry: test.currentRetry(),
+ speed: test.speed
+ };
+ }
+
+ JSONStream.description = 'newline delimited JSON events';
+ }(jsonStream));
+
+ (function (exports) {
+
+ // Alias exports to a their normalized format Mocha#reporter to prevent a need
+ // for dynamic (try/catch) requires, which Browserify doesn't handle.
+ exports.Base = exports.base = base$1.exports;
+ exports.Dot = exports.dot = dot.exports;
+ exports.Doc = exports.doc = doc.exports;
+ exports.TAP = exports.tap = tap.exports;
+ exports.JSON = exports.json = json.exports;
+ exports.HTML = exports.html = html.exports;
+ exports.List = exports.list = list.exports;
+ exports.Min = exports.min = min.exports;
+ exports.Spec = exports.spec = spec.exports;
+ exports.Nyan = exports.nyan = nyan.exports;
+ exports.XUnit = exports.xunit = xunit.exports;
+ exports.Markdown = exports.markdown = markdown.exports;
+ exports.Progress = exports.progress = progress.exports;
+ exports.Landing = exports.landing = landing.exports;
+ exports.JSONStream = exports['json-stream'] = jsonStream.exports;
+ }(reporters));
+
+ var diff = true;
+ var extension = [
+ "js",
+ "cjs",
+ "mjs"
+ ];
+ var reporter = "spec";
+ var slow = 75;
+ var timeout = 2000;
+ var ui = "bdd";
+ var require$$4 = {
+ diff: diff,
+ extension: extension,
+ "package": "./package.json",
+ reporter: reporter,
+ slow: slow,
+ timeout: timeout,
+ ui: ui,
+ "watch-ignore": [
+ "node_modules",
+ ".git"
+ ]
+ };
+
+ /**
+ * Provides a factory function for a {@link StatsCollector} object.
+ * @module
+ */
+
+ var constants = runner.constants;
+ var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
+ var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
+ var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
+ var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
+ var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
+ var EVENT_RUN_END = constants.EVENT_RUN_END;
+ var EVENT_TEST_END = constants.EVENT_TEST_END;
+
+ /**
+ * Test statistics collector.
+ *
+ * @public
+ * @typedef {Object} StatsCollector
+ * @property {number} suites - integer count of suites run.
+ * @property {number} tests - integer count of tests run.
+ * @property {number} passes - integer count of passing tests.
+ * @property {number} pending - integer count of pending tests.
+ * @property {number} failures - integer count of failed tests.
+ * @property {Date} start - time when testing began.
+ * @property {Date} end - time when testing concluded.
+ * @property {number} duration - number of msecs that testing took.
+ */
+
+ var Date$2 = commonjsGlobal.Date;
+
+ /**
+ * Provides stats such as test duration, number of tests passed / failed etc., by listening for events emitted by `runner`.
+ *
+ * @private
+ * @param {Runner} runner - Runner instance
+ * @throws {TypeError} If falsy `runner`
+ */
+ function createStatsCollector(runner) {
+ /**
+ * @type StatsCollector
+ */
+ var stats = {
+ suites: 0,
+ tests: 0,
+ passes: 0,
+ pending: 0,
+ failures: 0
+ };
+
+ if (!runner) {
+ throw new TypeError('Missing runner argument');
+ }
+
+ runner.stats = stats;
+
+ runner.once(EVENT_RUN_BEGIN, function () {
+ stats.start = new Date$2();
+ });
+ runner.on(EVENT_SUITE_BEGIN, function (suite) {
+ suite.root || stats.suites++;
+ });
+ runner.on(EVENT_TEST_PASS, function () {
+ stats.passes++;
+ });
+ runner.on(EVENT_TEST_FAIL, function () {
+ stats.failures++;
+ });
+ runner.on(EVENT_TEST_PENDING, function () {
+ stats.pending++;
+ });
+ runner.on(EVENT_TEST_END, function () {
+ stats.tests++;
+ });
+ runner.once(EVENT_RUN_END, function () {
+ stats.end = new Date$2();
+ stats.duration = stats.end - stats.start;
+ });
+ }
+
+ var statsCollector = createStatsCollector;
+
+ var interfaces = {};
+
+ var bdd = {exports: {}};
+
+ var Runnable = runnable;
+ var utils = utils$3;
+ var errors$1 = errors$2;
+ var createInvalidArgumentTypeError = errors$1.createInvalidArgumentTypeError;
+ var isString = utils.isString;
+
+ const {MOCHA_ID_PROP_NAME} = utils.constants;
+
+ var test = Test$4;
+
+ /**
+ * Initialize a new `Test` with the given `title` and callback `fn`.
+ *
+ * @public
+ * @class
+ * @extends Runnable
+ * @param {String} title - Test title (required)
+ * @param {Function} [fn] - Test callback. If omitted, the Test is considered "pending"
+ */
+ function Test$4(title, fn) {
+ if (!isString(title)) {
+ throw createInvalidArgumentTypeError(
+ 'Test argument "title" should be a string. Received type "' +
+ typeof title +
+ '"',
+ 'title',
+ 'string'
+ );
+ }
+ this.type = 'test';
+ Runnable.call(this, title, fn);
+ this.reset();
+ }
+
+ /**
+ * Inherit from `Runnable.prototype`.
+ */
+ utils.inherits(Test$4, Runnable);
+
+ /**
+ * Resets the state initially or for a next run.
+ */
+ Test$4.prototype.reset = function () {
+ Runnable.prototype.reset.call(this);
+ this.pending = !this.fn;
+ delete this.state;
+ };
+
+ /**
+ * Set or get retried test
+ *
+ * @private
+ */
+ Test$4.prototype.retriedTest = function (n) {
+ if (!arguments.length) {
+ return this._retriedTest;
+ }
+ this._retriedTest = n;
+ };
+
+ /**
+ * Add test to the list of tests marked `only`.
+ *
+ * @private
+ */
+ Test$4.prototype.markOnly = function () {
+ this.parent.appendOnlyTest(this);
+ };
+
+ Test$4.prototype.clone = function () {
+ var test = new Test$4(this.title, this.fn);
+ test.timeout(this.timeout());
+ test.slow(this.slow());
+ test.retries(this.retries());
+ test.currentRetry(this.currentRetry());
+ test.retriedTest(this.retriedTest() || this);
+ test.globals(this.globals());
+ test.parent = this.parent;
+ test.file = this.file;
+ test.ctx = this.ctx;
+ return test;
+ };
+
+ /**
+ * Returns an minimal object suitable for transmission over IPC.
+ * Functions are represented by keys beginning with `$$`.
+ * @private
+ * @returns {Object}
+ */
+ Test$4.prototype.serialize = function serialize() {
+ return {
+ $$currentRetry: this._currentRetry,
+ $$fullTitle: this.fullTitle(),
+ $$isPending: Boolean(this.pending),
+ $$retriedTest: this._retriedTest || null,
+ $$slow: this._slow,
+ $$titlePath: this.titlePath(),
+ body: this.body,
+ duration: this.duration,
+ err: this.err,
+ parent: {
+ $$fullTitle: this.parent.fullTitle(),
+ [MOCHA_ID_PROP_NAME]: this.parent.id
+ },
+ speed: this.speed,
+ state: this.state,
+ title: this.title,
+ type: this.type,
+ file: this.file,
+ [MOCHA_ID_PROP_NAME]: this.id
+ };
+ };
+
+ /**
+ @module interfaces/common
+ */
+
+ var Suite$1 = suite.exports;
+ var errors = errors$2;
+ var createMissingArgumentError = errors.createMissingArgumentError;
+ var createUnsupportedError = errors.createUnsupportedError;
+ var createForbiddenExclusivityError = errors.createForbiddenExclusivityError;
+
+ /**
+ * Functions common to more than one interface.
+ *
+ * @private
+ * @param {Suite[]} suites
+ * @param {Context} context
+ * @param {Mocha} mocha
+ * @return {Object} An object containing common functions.
+ */
+ var common = function (suites, context, mocha) {
+ /**
+ * Check if the suite should be tested.
+ *
+ * @private
+ * @param {Suite} suite - suite to check
+ * @returns {boolean}
+ */
+ function shouldBeTested(suite) {
+ return (
+ !mocha.options.grep ||
+ (mocha.options.grep &&
+ mocha.options.grep.test(suite.fullTitle()) &&
+ !mocha.options.invert)
+ );
+ }
+
+ return {
+ /**
+ * This is only present if flag --delay is passed into Mocha. It triggers
+ * root suite execution.
+ *
+ * @param {Suite} suite The root suite.
+ * @return {Function} A function which runs the root suite
+ */
+ runWithSuite: function runWithSuite(suite) {
+ return function run() {
+ suite.run();
+ };
+ },
+
+ /**
+ * Execute before running tests.
+ *
+ * @param {string} name
+ * @param {Function} fn
+ */
+ before: function (name, fn) {
+ suites[0].beforeAll(name, fn);
+ },
+
+ /**
+ * Execute after running tests.
+ *
+ * @param {string} name
+ * @param {Function} fn
+ */
+ after: function (name, fn) {
+ suites[0].afterAll(name, fn);
+ },
+
+ /**
+ * Execute before each test case.
+ *
+ * @param {string} name
+ * @param {Function} fn
+ */
+ beforeEach: function (name, fn) {
+ suites[0].beforeEach(name, fn);
+ },
+
+ /**
+ * Execute after each test case.
+ *
+ * @param {string} name
+ * @param {Function} fn
+ */
+ afterEach: function (name, fn) {
+ suites[0].afterEach(name, fn);
+ },
+
+ suite: {
+ /**
+ * Create an exclusive Suite; convenience function
+ * See docstring for create() below.
+ *
+ * @param {Object} opts
+ * @returns {Suite}
+ */
+ only: function only(opts) {
+ if (mocha.options.forbidOnly) {
+ throw createForbiddenExclusivityError(mocha);
+ }
+ opts.isOnly = true;
+ return this.create(opts);
+ },
+
+ /**
+ * Create a Suite, but skip it; convenience function
+ * See docstring for create() below.
+ *
+ * @param {Object} opts
+ * @returns {Suite}
+ */
+ skip: function skip(opts) {
+ opts.pending = true;
+ return this.create(opts);
+ },
+
+ /**
+ * Creates a suite.
+ *
+ * @param {Object} opts Options
+ * @param {string} opts.title Title of Suite
+ * @param {Function} [opts.fn] Suite Function (not always applicable)
+ * @param {boolean} [opts.pending] Is Suite pending?
+ * @param {string} [opts.file] Filepath where this Suite resides
+ * @param {boolean} [opts.isOnly] Is Suite exclusive?
+ * @returns {Suite}
+ */
+ create: function create(opts) {
+ var suite = Suite$1.create(suites[0], opts.title);
+ suite.pending = Boolean(opts.pending);
+ suite.file = opts.file;
+ suites.unshift(suite);
+ if (opts.isOnly) {
+ suite.markOnly();
+ }
+ if (
+ suite.pending &&
+ mocha.options.forbidPending &&
+ shouldBeTested(suite)
+ ) {
+ throw createUnsupportedError('Pending test forbidden');
+ }
+ if (typeof opts.fn === 'function') {
+ opts.fn.call(suite);
+ suites.shift();
+ } else if (typeof opts.fn === 'undefined' && !suite.pending) {
+ throw createMissingArgumentError(
+ 'Suite "' +
+ suite.fullTitle() +
+ '" was defined but no callback was supplied. ' +
+ 'Supply a callback or explicitly skip the suite.',
+ 'callback',
+ 'function'
+ );
+ } else if (!opts.fn && suite.pending) {
+ suites.shift();
+ }
+
+ return suite;
+ }
+ },
+
+ test: {
+ /**
+ * Exclusive test-case.
+ *
+ * @param {Object} mocha
+ * @param {Function} test
+ * @returns {*}
+ */
+ only: function (mocha, test) {
+ if (mocha.options.forbidOnly) {
+ throw createForbiddenExclusivityError(mocha);
+ }
+ test.markOnly();
+ return test;
+ },
+
+ /**
+ * Pending test case.
+ *
+ * @param {string} title
+ */
+ skip: function (title) {
+ context.test(title);
+ }
+ }
+ };
+ };
+
+ var Test$3 = test;
+ var EVENT_FILE_PRE_REQUIRE$2 =
+ suite.exports.constants.EVENT_FILE_PRE_REQUIRE;
+
+ /**
+ * BDD-style interface:
+ *
+ * describe('Array', function() {
+ * describe('#indexOf()', function() {
+ * it('should return -1 when not present', function() {
+ * // ...
+ * });
+ *
+ * it('should return the index when present', function() {
+ * // ...
+ * });
+ * });
+ * });
+ *
+ * @param {Suite} suite Root suite.
+ */
+ bdd.exports = function bddInterface(suite) {
+ var suites = [suite];
+
+ suite.on(EVENT_FILE_PRE_REQUIRE$2, function (context, file, mocha) {
+ var common$1 = common(suites, context, mocha);
+
+ context.before = common$1.before;
+ context.after = common$1.after;
+ context.beforeEach = common$1.beforeEach;
+ context.afterEach = common$1.afterEach;
+ context.run = mocha.options.delay && common$1.runWithSuite(suite);
+ /**
+ * Describe a "suite" with the given `title`
+ * and callback `fn` containing nested suites
+ * and/or tests.
+ */
+
+ context.describe = context.context = function (title, fn) {
+ return common$1.suite.create({
+ title: title,
+ file: file,
+ fn: fn
+ });
+ };
+
+ /**
+ * Pending describe.
+ */
+
+ context.xdescribe =
+ context.xcontext =
+ context.describe.skip =
+ function (title, fn) {
+ return common$1.suite.skip({
+ title: title,
+ file: file,
+ fn: fn
+ });
+ };
+
+ /**
+ * Exclusive suite.
+ */
+
+ context.describe.only = function (title, fn) {
+ return common$1.suite.only({
+ title: title,
+ file: file,
+ fn: fn
+ });
+ };
+
+ /**
+ * Describe a specification or test-case
+ * with the given `title` and callback `fn`
+ * acting as a thunk.
+ */
+
+ context.it = context.specify = function (title, fn) {
+ var suite = suites[0];
+ if (suite.isPending()) {
+ fn = null;
+ }
+ var test = new Test$3(title, fn);
+ test.file = file;
+ suite.addTest(test);
+ return test;
+ };
+
+ /**
+ * Exclusive test-case.
+ */
+
+ context.it.only = function (title, fn) {
+ return common$1.test.only(mocha, context.it(title, fn));
+ };
+
+ /**
+ * Pending test case.
+ */
+
+ context.xit =
+ context.xspecify =
+ context.it.skip =
+ function (title) {
+ return context.it(title);
+ };
+ });
+ };
+
+ bdd.exports.description = 'BDD or RSpec style [default]';
+
+ var tdd = {exports: {}};
+
+ var Test$2 = test;
+ var EVENT_FILE_PRE_REQUIRE$1 =
+ suite.exports.constants.EVENT_FILE_PRE_REQUIRE;
+
+ /**
+ * TDD-style interface:
+ *
+ * suite('Array', function() {
+ * suite('#indexOf()', function() {
+ * suiteSetup(function() {
+ *
+ * });
+ *
+ * test('should return -1 when not present', function() {
+ *
+ * });
+ *
+ * test('should return the index when present', function() {
+ *
+ * });
+ *
+ * suiteTeardown(function() {
+ *
+ * });
+ * });
+ * });
+ *
+ * @param {Suite} suite Root suite.
+ */
+ tdd.exports = function (suite) {
+ var suites = [suite];
+
+ suite.on(EVENT_FILE_PRE_REQUIRE$1, function (context, file, mocha) {
+ var common$1 = common(suites, context, mocha);
+
+ context.setup = common$1.beforeEach;
+ context.teardown = common$1.afterEach;
+ context.suiteSetup = common$1.before;
+ context.suiteTeardown = common$1.after;
+ context.run = mocha.options.delay && common$1.runWithSuite(suite);
+
+ /**
+ * Describe a "suite" with the given `title` and callback `fn` containing
+ * nested suites and/or tests.
+ */
+ context.suite = function (title, fn) {
+ return common$1.suite.create({
+ title: title,
+ file: file,
+ fn: fn
+ });
+ };
+
+ /**
+ * Pending suite.
+ */
+ context.suite.skip = function (title, fn) {
+ return common$1.suite.skip({
+ title: title,
+ file: file,
+ fn: fn
+ });
+ };
+
+ /**
+ * Exclusive test-case.
+ */
+ context.suite.only = function (title, fn) {
+ return common$1.suite.only({
+ title: title,
+ file: file,
+ fn: fn
+ });
+ };
+
+ /**
+ * Describe a specification or test-case with the given `title` and
+ * callback `fn` acting as a thunk.
+ */
+ context.test = function (title, fn) {
+ var suite = suites[0];
+ if (suite.isPending()) {
+ fn = null;
+ }
+ var test = new Test$2(title, fn);
+ test.file = file;
+ suite.addTest(test);
+ return test;
+ };
+
+ /**
+ * Exclusive test-case.
+ */
+
+ context.test.only = function (title, fn) {
+ return common$1.test.only(mocha, context.test(title, fn));
+ };
+
+ context.test.skip = common$1.test.skip;
+ });
+ };
+
+ tdd.exports.description =
+ 'traditional "suite"/"test" instead of BDD\'s "describe"/"it"';
+
+ var qunit = {exports: {}};
+
+ var Test$1 = test;
+ var EVENT_FILE_PRE_REQUIRE =
+ suite.exports.constants.EVENT_FILE_PRE_REQUIRE;
+
+ /**
+ * QUnit-style interface:
+ *
+ * suite('Array');
+ *
+ * test('#length', function() {
+ * var arr = [1,2,3];
+ * ok(arr.length == 3);
+ * });
+ *
+ * test('#indexOf()', function() {
+ * var arr = [1,2,3];
+ * ok(arr.indexOf(1) == 0);
+ * ok(arr.indexOf(2) == 1);
+ * ok(arr.indexOf(3) == 2);
+ * });
+ *
+ * suite('String');
+ *
+ * test('#length', function() {
+ * ok('foo'.length == 3);
+ * });
+ *
+ * @param {Suite} suite Root suite.
+ */
+ qunit.exports = function qUnitInterface(suite) {
+ var suites = [suite];
+
+ suite.on(EVENT_FILE_PRE_REQUIRE, function (context, file, mocha) {
+ var common$1 = common(suites, context, mocha);
+
+ context.before = common$1.before;
+ context.after = common$1.after;
+ context.beforeEach = common$1.beforeEach;
+ context.afterEach = common$1.afterEach;
+ context.run = mocha.options.delay && common$1.runWithSuite(suite);
+ /**
+ * Describe a "suite" with the given `title`.
+ */
+
+ context.suite = function (title) {
+ if (suites.length > 1) {
+ suites.shift();
+ }
+ return common$1.suite.create({
+ title: title,
+ file: file,
+ fn: false
+ });
+ };
+
+ /**
+ * Exclusive Suite.
+ */
+
+ context.suite.only = function (title) {
+ if (suites.length > 1) {
+ suites.shift();
+ }
+ return common$1.suite.only({
+ title: title,
+ file: file,
+ fn: false
+ });
+ };
+
+ /**
+ * Describe a specification or test-case
+ * with the given `title` and callback `fn`
+ * acting as a thunk.
+ */
+
+ context.test = function (title, fn) {
+ var test = new Test$1(title, fn);
+ test.file = file;
+ suites[0].addTest(test);
+ return test;
+ };
+
+ /**
+ * Exclusive test-case.
+ */
+
+ context.test.only = function (title, fn) {
+ return common$1.test.only(mocha, context.test(title, fn));
+ };
+
+ context.test.skip = common$1.test.skip;
+ });
+ };
+
+ qunit.exports.description = 'QUnit style';
+
+ var exports$1 = {exports: {}};
+
+ var Suite = suite.exports;
+ var Test = test;
+
+ /**
+ * Exports-style (as Node.js module) interface:
+ *
+ * exports.Array = {
+ * '#indexOf()': {
+ * 'should return -1 when the value is not present': function() {
+ *
+ * },
+ *
+ * 'should return the correct index when the value is present': function() {
+ *
+ * }
+ * }
+ * };
+ *
+ * @param {Suite} suite Root suite.
+ */
+ exports$1.exports = function (suite) {
+ var suites = [suite];
+
+ suite.on(Suite.constants.EVENT_FILE_REQUIRE, visit);
+
+ function visit(obj, file) {
+ var suite;
+ for (var key in obj) {
+ if (typeof obj[key] === 'function') {
+ var fn = obj[key];
+ switch (key) {
+ case 'before':
+ suites[0].beforeAll(fn);
+ break;
+ case 'after':
+ suites[0].afterAll(fn);
+ break;
+ case 'beforeEach':
+ suites[0].beforeEach(fn);
+ break;
+ case 'afterEach':
+ suites[0].afterEach(fn);
+ break;
+ default:
+ var test = new Test(key, fn);
+ test.file = file;
+ suites[0].addTest(test);
+ }
+ } else {
+ suite = Suite.create(suites[0], key);
+ suites.unshift(suite);
+ visit(obj[key], file);
+ suites.shift();
+ }
+ }
+ }
+ };
+
+ exports$1.exports.description = 'Node.js module ("exports") style';
+
+ interfaces.bdd = bdd.exports;
+ interfaces.tdd = tdd.exports;
+ interfaces.qunit = qunit.exports;
+ interfaces.exports = exports$1.exports;
+
+ /**
+ * @module Context
+ */
+ /**
+ * Expose `Context`.
+ */
+
+ var context = Context;
+
+ /**
+ * Initialize a new `Context`.
+ *
+ * @private
+ */
+ function Context() {}
+
+ /**
+ * Set or get the context `Runnable` to `runnable`.
+ *
+ * @private
+ * @param {Runnable} runnable
+ * @return {Context} context
+ */
+ Context.prototype.runnable = function (runnable) {
+ if (!arguments.length) {
+ return this._runnable;
+ }
+ this.test = this._runnable = runnable;
+ return this;
+ };
+
+ /**
+ * Set or get test timeout `ms`.
+ *
+ * @private
+ * @param {number} ms
+ * @return {Context} self
+ */
+ Context.prototype.timeout = function (ms) {
+ if (!arguments.length) {
+ return this.runnable().timeout();
+ }
+ this.runnable().timeout(ms);
+ return this;
+ };
+
+ /**
+ * Set or get test slowness threshold `ms`.
+ *
+ * @private
+ * @param {number} ms
+ * @return {Context} self
+ */
+ Context.prototype.slow = function (ms) {
+ if (!arguments.length) {
+ return this.runnable().slow();
+ }
+ this.runnable().slow(ms);
+ return this;
+ };
+
+ /**
+ * Mark a test as skipped.
+ *
+ * @private
+ * @throws Pending
+ */
+ Context.prototype.skip = function () {
+ this.runnable().skip();
+ };
+
+ /**
+ * Set or get a number of allowed retries on failed tests
+ *
+ * @private
+ * @param {number} n
+ * @return {Context} self
+ */
+ Context.prototype.retries = function (n) {
+ if (!arguments.length) {
+ return this.runnable().retries();
+ }
+ this.runnable().retries(n);
+ return this;
+ };
+
+ var name = "mocha";
+ var version = "10.0.0";
+ var homepage = "https://mochajs.org/";
+ var notifyLogo = "https://ibin.co/4QuRuGjXvl36.png";
+ var require$$17 = {
+ name: name,
+ version: version,
+ homepage: homepage,
+ notifyLogo: notifyLogo
+ };
+
+ (function (module, exports) {
+
+ /*!
+ * mocha
+ * Copyright(c) 2011 TJ Holowaychuk
+ * MIT Licensed
+ */
+
+ var escapeRe = escapeStringRegexp;
+ var path = require$$1;
+ var builtinReporters = reporters;
+ var utils = utils$3;
+ var mocharc = require$$4;
+ var Suite = suite.exports;
+ var esmUtils = require$$18;
+ var createStatsCollector = statsCollector;
+ const {
+ createInvalidReporterError,
+ createInvalidInterfaceError,
+ createMochaInstanceAlreadyDisposedError,
+ createMochaInstanceAlreadyRunningError,
+ createUnsupportedError
+ } = errors$2;
+ const {EVENT_FILE_PRE_REQUIRE, EVENT_FILE_POST_REQUIRE, EVENT_FILE_REQUIRE} =
+ Suite.constants;
+ var debug = browser.exports('mocha:mocha');
+
+ exports = module.exports = Mocha;
+
+ /**
+ * A Mocha instance is a finite state machine.
+ * These are the states it can be in.
+ * @private
+ */
+ var mochaStates = utils.defineConstants({
+ /**
+ * Initial state of the mocha instance
+ * @private
+ */
+ INIT: 'init',
+ /**
+ * Mocha instance is running tests
+ * @private
+ */
+ RUNNING: 'running',
+ /**
+ * Mocha instance is done running tests and references to test functions and hooks are cleaned.
+ * You can reset this state by unloading the test files.
+ * @private
+ */
+ REFERENCES_CLEANED: 'referencesCleaned',
+ /**
+ * Mocha instance is disposed and can no longer be used.
+ * @private
+ */
+ DISPOSED: 'disposed'
+ });
+
+ /**
+ * To require local UIs and reporters when running in node.
+ */
+
+ if (!utils.isBrowser() && typeof module.paths !== 'undefined') {
+ var cwd = utils.cwd();
+ module.paths.push(cwd, path.join(cwd, 'node_modules'));
+ }
+
+ /**
+ * Expose internals.
+ * @private
+ */
+
+ exports.utils = utils;
+ exports.interfaces = interfaces;
+ /**
+ * @public
+ * @memberof Mocha
+ */
+ exports.reporters = builtinReporters;
+ exports.Runnable = runnable;
+ exports.Context = context;
+ /**
+ *
+ * @memberof Mocha
+ */
+ exports.Runner = runner;
+ exports.Suite = Suite;
+ exports.Hook = hook;
+ exports.Test = test;
+
+ let currentContext;
+ exports.afterEach = function (...args) {
+ return (currentContext.afterEach || currentContext.teardown).apply(
+ this,
+ args
+ );
+ };
+ exports.after = function (...args) {
+ return (currentContext.after || currentContext.suiteTeardown).apply(
+ this,
+ args
+ );
+ };
+ exports.beforeEach = function (...args) {
+ return (currentContext.beforeEach || currentContext.setup).apply(this, args);
+ };
+ exports.before = function (...args) {
+ return (currentContext.before || currentContext.suiteSetup).apply(this, args);
+ };
+ exports.describe = function (...args) {
+ return (currentContext.describe || currentContext.suite).apply(this, args);
+ };
+ exports.describe.only = function (...args) {
+ return (currentContext.describe || currentContext.suite).only.apply(
+ this,
+ args
+ );
+ };
+ exports.describe.skip = function (...args) {
+ return (currentContext.describe || currentContext.suite).skip.apply(
+ this,
+ args
+ );
+ };
+ exports.it = function (...args) {
+ return (currentContext.it || currentContext.test).apply(this, args);
+ };
+ exports.it.only = function (...args) {
+ return (currentContext.it || currentContext.test).only.apply(this, args);
+ };
+ exports.it.skip = function (...args) {
+ return (currentContext.it || currentContext.test).skip.apply(this, args);
+ };
+ exports.xdescribe = exports.describe.skip;
+ exports.xit = exports.it.skip;
+ exports.setup = exports.beforeEach;
+ exports.suiteSetup = exports.before;
+ exports.suiteTeardown = exports.after;
+ exports.suite = exports.describe;
+ exports.teardown = exports.afterEach;
+ exports.test = exports.it;
+ exports.run = function (...args) {
+ return currentContext.run.apply(this, args);
+ };
+
+ /**
+ * Constructs a new Mocha instance with `options`.
+ *
+ * @public
+ * @class Mocha
+ * @param {Object} [options] - Settings object.
+ * @param {boolean} [options.allowUncaught] - Propagate uncaught errors?
+ * @param {boolean} [options.asyncOnly] - Force `done` callback or promise?
+ * @param {boolean} [options.bail] - Bail after first test failure?
+ * @param {boolean} [options.checkLeaks] - Check for global variable leaks?
+ * @param {boolean} [options.color] - Color TTY output from reporter?
+ * @param {boolean} [options.delay] - Delay root suite execution?
+ * @param {boolean} [options.diff] - Show diff on failure?
+ * @param {boolean} [options.dryRun] - Report tests without running them?
+ * @param {boolean} [options.failZero] - Fail test run if zero tests?
+ * @param {string} [options.fgrep] - Test filter given string.
+ * @param {boolean} [options.forbidOnly] - Tests marked `only` fail the suite?
+ * @param {boolean} [options.forbidPending] - Pending tests fail the suite?
+ * @param {boolean} [options.fullTrace] - Full stacktrace upon failure?
+ * @param {string[]} [options.global] - Variables expected in global scope.
+ * @param {RegExp|string} [options.grep] - Test filter given regular expression.
+ * @param {boolean} [options.inlineDiffs] - Display inline diffs?
+ * @param {boolean} [options.invert] - Invert test filter matches?
+ * @param {boolean} [options.noHighlighting] - Disable syntax highlighting?
+ * @param {string|constructor} [options.reporter] - Reporter name or constructor.
+ * @param {Object} [options.reporterOption] - Reporter settings object.
+ * @param {number} [options.retries] - Number of times to retry failed tests.
+ * @param {number} [options.slow] - Slow threshold value.
+ * @param {number|string} [options.timeout] - Timeout threshold value.
+ * @param {string} [options.ui] - Interface name.
+ * @param {boolean} [options.parallel] - Run jobs in parallel.
+ * @param {number} [options.jobs] - Max number of worker processes for parallel runs.
+ * @param {MochaRootHookObject} [options.rootHooks] - Hooks to bootstrap the root suite with.
+ * @param {string[]} [options.require] - Pathname of `rootHooks` plugin for parallel runs.
+ * @param {boolean} [options.isWorker] - Should be `true` if `Mocha` process is running in a worker process.
+ */
+ function Mocha(options = {}) {
+ options = {...mocharc, ...options};
+ this.files = [];
+ this.options = options;
+ // root suite
+ this.suite = new exports.Suite('', new exports.Context(), true);
+ this._cleanReferencesAfterRun = true;
+ this._state = mochaStates.INIT;
+
+ this.grep(options.grep)
+ .fgrep(options.fgrep)
+ .ui(options.ui)
+ .reporter(
+ options.reporter,
+ options.reporterOption || options.reporterOptions // for backwards compatibility
+ )
+ .slow(options.slow)
+ .global(options.global);
+
+ // this guard exists because Suite#timeout does not consider `undefined` to be valid input
+ if (typeof options.timeout !== 'undefined') {
+ this.timeout(options.timeout === false ? 0 : options.timeout);
+ }
+
+ if ('retries' in options) {
+ this.retries(options.retries);
+ }
+
+ [
+ 'allowUncaught',
+ 'asyncOnly',
+ 'bail',
+ 'checkLeaks',
+ 'color',
+ 'delay',
+ 'diff',
+ 'dryRun',
+ 'failZero',
+ 'forbidOnly',
+ 'forbidPending',
+ 'fullTrace',
+ 'inlineDiffs',
+ 'invert'
+ ].forEach(function (opt) {
+ if (options[opt]) {
+ this[opt]();
+ }
+ }, this);
+
+ if (options.rootHooks) {
+ this.rootHooks(options.rootHooks);
+ }
+
+ /**
+ * The class which we'll instantiate in {@link Mocha#run}. Defaults to
+ * {@link Runner} in serial mode; changes in parallel mode.
+ * @memberof Mocha
+ * @private
+ */
+ this._runnerClass = exports.Runner;
+
+ /**
+ * Whether or not to call {@link Mocha#loadFiles} implicitly when calling
+ * {@link Mocha#run}. If this is `true`, then it's up to the consumer to call
+ * {@link Mocha#loadFiles} _or_ {@link Mocha#loadFilesAsync}.
+ * @private
+ * @memberof Mocha
+ */
+ this._lazyLoadFiles = false;
+
+ /**
+ * It's useful for a Mocha instance to know if it's running in a worker process.
+ * We could derive this via other means, but it's helpful to have a flag to refer to.
+ * @memberof Mocha
+ * @private
+ */
+ this.isWorker = Boolean(options.isWorker);
+
+ this.globalSetup(options.globalSetup)
+ .globalTeardown(options.globalTeardown)
+ .enableGlobalSetup(options.enableGlobalSetup)
+ .enableGlobalTeardown(options.enableGlobalTeardown);
+
+ if (
+ options.parallel &&
+ (typeof options.jobs === 'undefined' || options.jobs > 1)
+ ) {
+ debug('attempting to enable parallel mode');
+ this.parallelMode(true);
+ }
+ }
+
+ /**
+ * Enables or disables bailing on the first failure.
+ *
+ * @public
+ * @see [CLI option](../#-bail-b)
+ * @param {boolean} [bail=true] - Whether to bail on first error.
+ * @returns {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.bail = function (bail) {
+ this.suite.bail(bail !== false);
+ return this;
+ };
+
+ /**
+ * @summary
+ * Adds `file` to be loaded for execution.
+ *
+ * @description
+ * Useful for generic setup code that must be included within test suite.
+ *
+ * @public
+ * @see [CLI option](../#-file-filedirectoryglob)
+ * @param {string} file - Pathname of file to be loaded.
+ * @returns {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.addFile = function (file) {
+ this.files.push(file);
+ return this;
+ };
+
+ /**
+ * Sets reporter to `reporter`, defaults to "spec".
+ *
+ * @public
+ * @see [CLI option](../#-reporter-name-r-name)
+ * @see [Reporters](../#reporters)
+ * @param {String|Function} reporterName - Reporter name or constructor.
+ * @param {Object} [reporterOptions] - Options used to configure the reporter.
+ * @returns {Mocha} this
+ * @chainable
+ * @throws {Error} if requested reporter cannot be loaded
+ * @example
+ *
+ * // Use XUnit reporter and direct its output to file
+ * mocha.reporter('xunit', { output: '/path/to/testspec.xunit.xml' });
+ */
+ Mocha.prototype.reporter = function (reporterName, reporterOptions) {
+ if (typeof reporterName === 'function') {
+ this._reporter = reporterName;
+ } else {
+ reporterName = reporterName || 'spec';
+ var reporter;
+ // Try to load a built-in reporter.
+ if (builtinReporters[reporterName]) {
+ reporter = builtinReporters[reporterName];
+ }
+ // Try to load reporters from process.cwd() and node_modules
+ if (!reporter) {
+ let foundReporter;
+ try {
+ foundReporter = require.resolve(reporterName);
+ reporter = commonjsRequire(foundReporter);
+ } catch (err) {
+ if (foundReporter) {
+ throw createInvalidReporterError(err.message, foundReporter);
+ }
+ // Try to load reporters from a cwd-relative path
+ try {
+ reporter = commonjsRequire(path.resolve(reporterName));
+ } catch (e) {
+ throw createInvalidReporterError(e.message, reporterName);
+ }
+ }
+ }
+ this._reporter = reporter;
+ }
+ this.options.reporterOption = reporterOptions;
+ // alias option name is used in built-in reporters xunit/tap/progress
+ this.options.reporterOptions = reporterOptions;
+ return this;
+ };
+
+ /**
+ * Sets test UI `name`, defaults to "bdd".
+ *
+ * @public
+ * @see [CLI option](../#-ui-name-u-name)
+ * @see [Interface DSLs](../#interfaces)
+ * @param {string|Function} [ui=bdd] - Interface name or class.
+ * @returns {Mocha} this
+ * @chainable
+ * @throws {Error} if requested interface cannot be loaded
+ */
+ Mocha.prototype.ui = function (ui) {
+ var bindInterface;
+ if (typeof ui === 'function') {
+ bindInterface = ui;
+ } else {
+ ui = ui || 'bdd';
+ bindInterface = exports.interfaces[ui];
+ if (!bindInterface) {
+ try {
+ bindInterface = commonjsRequire(ui);
+ } catch (err) {
+ throw createInvalidInterfaceError(`invalid interface '${ui}'`, ui);
+ }
+ }
+ }
+ bindInterface(this.suite);
+
+ this.suite.on(EVENT_FILE_PRE_REQUIRE, function (context) {
+ currentContext = context;
+ });
+
+ return this;
+ };
+
+ /**
+ * Loads `files` prior to execution. Does not support ES Modules.
+ *
+ * @description
+ * The implementation relies on Node's `require` to execute
+ * the test interface functions and will be subject to its cache.
+ * Supports only CommonJS modules. To load ES modules, use Mocha#loadFilesAsync.
+ *
+ * @private
+ * @see {@link Mocha#addFile}
+ * @see {@link Mocha#run}
+ * @see {@link Mocha#unloadFiles}
+ * @see {@link Mocha#loadFilesAsync}
+ * @param {Function} [fn] - Callback invoked upon completion.
+ */
+ Mocha.prototype.loadFiles = function (fn) {
+ var self = this;
+ var suite = this.suite;
+ this.files.forEach(function (file) {
+ file = path.resolve(file);
+ suite.emit(EVENT_FILE_PRE_REQUIRE, commonjsGlobal, file, self);
+ suite.emit(EVENT_FILE_REQUIRE, commonjsRequire(file), file, self);
+ suite.emit(EVENT_FILE_POST_REQUIRE, commonjsGlobal, file, self);
+ });
+ fn && fn();
+ };
+
+ /**
+ * Loads `files` prior to execution. Supports Node ES Modules.
+ *
+ * @description
+ * The implementation relies on Node's `require` and `import` to execute
+ * the test interface functions and will be subject to its cache.
+ * Supports both CJS and ESM modules.
+ *
+ * @public
+ * @see {@link Mocha#addFile}
+ * @see {@link Mocha#run}
+ * @see {@link Mocha#unloadFiles}
+ * @returns {Promise}
+ * @example
+ *
+ * // loads ESM (and CJS) test files asynchronously, then runs root suite
+ * mocha.loadFilesAsync()
+ * .then(() => mocha.run(failures => process.exitCode = failures ? 1 : 0))
+ * .catch(() => process.exitCode = 1);
+ */
+ Mocha.prototype.loadFilesAsync = function () {
+ var self = this;
+ var suite = this.suite;
+ this.lazyLoadFiles(true);
+
+ return esmUtils.loadFilesAsync(
+ this.files,
+ function (file) {
+ suite.emit(EVENT_FILE_PRE_REQUIRE, commonjsGlobal, file, self);
+ },
+ function (file, resultModule) {
+ suite.emit(EVENT_FILE_REQUIRE, resultModule, file, self);
+ suite.emit(EVENT_FILE_POST_REQUIRE, commonjsGlobal, file, self);
+ }
+ );
+ };
+
+ /**
+ * Removes a previously loaded file from Node's `require` cache.
+ *
+ * @private
+ * @static
+ * @see {@link Mocha#unloadFiles}
+ * @param {string} file - Pathname of file to be unloaded.
+ */
+ Mocha.unloadFile = function (file) {
+ if (utils.isBrowser()) {
+ throw createUnsupportedError(
+ 'unloadFile() is only supported in a Node.js environment'
+ );
+ }
+ return require$$18.unloadFile(file);
+ };
+
+ /**
+ * Unloads `files` from Node's `require` cache.
+ *
+ * @description
+ * This allows required files to be "freshly" reloaded, providing the ability
+ * to reuse a Mocha instance programmatically.
+ * Note: does not clear ESM module files from the cache
+ *
+ * Intended for consumers — not used internally
+ *
+ * @public
+ * @see {@link Mocha#run}
+ * @returns {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.unloadFiles = function () {
+ if (this._state === mochaStates.DISPOSED) {
+ throw createMochaInstanceAlreadyDisposedError(
+ 'Mocha instance is already disposed, it cannot be used again.',
+ this._cleanReferencesAfterRun,
+ this
+ );
+ }
+
+ this.files.forEach(function (file) {
+ Mocha.unloadFile(file);
+ });
+ this._state = mochaStates.INIT;
+ return this;
+ };
+
+ /**
+ * Sets `grep` filter after escaping RegExp special characters.
+ *
+ * @public
+ * @see {@link Mocha#grep}
+ * @param {string} str - Value to be converted to a regexp.
+ * @returns {Mocha} this
+ * @chainable
+ * @example
+ *
+ * // Select tests whose full title begins with `"foo"` followed by a period
+ * mocha.fgrep('foo.');
+ */
+ Mocha.prototype.fgrep = function (str) {
+ if (!str) {
+ return this;
+ }
+ return this.grep(new RegExp(escapeRe(str)));
+ };
+
+ /**
+ * @summary
+ * Sets `grep` filter used to select specific tests for execution.
+ *
+ * @description
+ * If `re` is a regexp-like string, it will be converted to regexp.
+ * The regexp is tested against the full title of each test (i.e., the
+ * name of the test preceded by titles of each its ancestral suites).
+ * As such, using an exact-match fixed pattern against the
+ * test name itself will not yield any matches.
+ *
+ * Previous filter value will be overwritten on each call!
+ *
+ * @public
+ * @see [CLI option](../#-grep-regexp-g-regexp)
+ * @see {@link Mocha#fgrep}
+ * @see {@link Mocha#invert}
+ * @param {RegExp|String} re - Regular expression used to select tests.
+ * @return {Mocha} this
+ * @chainable
+ * @example
+ *
+ * // Select tests whose full title contains `"match"`, ignoring case
+ * mocha.grep(/match/i);
+ * @example
+ *
+ * // Same as above but with regexp-like string argument
+ * mocha.grep('/match/i');
+ * @example
+ *
+ * // ## Anti-example
+ * // Given embedded test `it('only-this-test')`...
+ * mocha.grep('/^only-this-test$/'); // NO! Use `.only()` to do this!
+ */
+ Mocha.prototype.grep = function (re) {
+ if (utils.isString(re)) {
+ // extract args if it's regex-like, i.e: [string, pattern, flag]
+ var arg = re.match(/^\/(.*)\/([gimy]{0,4})$|.*/);
+ this.options.grep = new RegExp(arg[1] || arg[0], arg[2]);
+ } else {
+ this.options.grep = re;
+ }
+ return this;
+ };
+
+ /**
+ * Inverts `grep` matches.
+ *
+ * @public
+ * @see {@link Mocha#grep}
+ * @return {Mocha} this
+ * @chainable
+ * @example
+ *
+ * // Select tests whose full title does *not* contain `"match"`, ignoring case
+ * mocha.grep(/match/i).invert();
+ */
+ Mocha.prototype.invert = function () {
+ this.options.invert = true;
+ return this;
+ };
+
+ /**
+ * Enables or disables checking for global variables leaked while running tests.
+ *
+ * @public
+ * @see [CLI option](../#-check-leaks)
+ * @param {boolean} [checkLeaks=true] - Whether to check for global variable leaks.
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.checkLeaks = function (checkLeaks) {
+ this.options.checkLeaks = checkLeaks !== false;
+ return this;
+ };
+
+ /**
+ * Enables or disables whether or not to dispose after each test run.
+ * Disable this to ensure you can run the test suite multiple times.
+ * If disabled, be sure to dispose mocha when you're done to prevent memory leaks.
+ * @public
+ * @see {@link Mocha#dispose}
+ * @param {boolean} cleanReferencesAfterRun
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.cleanReferencesAfterRun = function (cleanReferencesAfterRun) {
+ this._cleanReferencesAfterRun = cleanReferencesAfterRun !== false;
+ return this;
+ };
+
+ /**
+ * Manually dispose this mocha instance. Mark this instance as `disposed` and unable to run more tests.
+ * It also removes function references to tests functions and hooks, so variables trapped in closures can be cleaned by the garbage collector.
+ * @public
+ */
+ Mocha.prototype.dispose = function () {
+ if (this._state === mochaStates.RUNNING) {
+ throw createMochaInstanceAlreadyRunningError(
+ 'Cannot dispose while the mocha instance is still running tests.'
+ );
+ }
+ this.unloadFiles();
+ this._previousRunner && this._previousRunner.dispose();
+ this.suite.dispose();
+ this._state = mochaStates.DISPOSED;
+ };
+
+ /**
+ * Displays full stack trace upon test failure.
+ *
+ * @public
+ * @see [CLI option](../#-full-trace)
+ * @param {boolean} [fullTrace=true] - Whether to print full stacktrace upon failure.
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.fullTrace = function (fullTrace) {
+ this.options.fullTrace = fullTrace !== false;
+ return this;
+ };
+
+ /**
+ * Specifies whitelist of variable names to be expected in global scope.
+ *
+ * @public
+ * @see [CLI option](../#-global-variable-name)
+ * @see {@link Mocha#checkLeaks}
+ * @param {String[]|String} global - Accepted global variable name(s).
+ * @return {Mocha} this
+ * @chainable
+ * @example
+ *
+ * // Specify variables to be expected in global scope
+ * mocha.global(['jQuery', 'MyLib']);
+ */
+ Mocha.prototype.global = function (global) {
+ this.options.global = (this.options.global || [])
+ .concat(global)
+ .filter(Boolean)
+ .filter(function (elt, idx, arr) {
+ return arr.indexOf(elt) === idx;
+ });
+ return this;
+ };
+ // for backwards compatibility, 'globals' is an alias of 'global'
+ Mocha.prototype.globals = Mocha.prototype.global;
+
+ /**
+ * Enables or disables TTY color output by screen-oriented reporters.
+ *
+ * @public
+ * @see [CLI option](../#-color-c-colors)
+ * @param {boolean} [color=true] - Whether to enable color output.
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.color = function (color) {
+ this.options.color = color !== false;
+ return this;
+ };
+
+ /**
+ * Enables or disables reporter to use inline diffs (rather than +/-)
+ * in test failure output.
+ *
+ * @public
+ * @see [CLI option](../#-inline-diffs)
+ * @param {boolean} [inlineDiffs=true] - Whether to use inline diffs.
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.inlineDiffs = function (inlineDiffs) {
+ this.options.inlineDiffs = inlineDiffs !== false;
+ return this;
+ };
+
+ /**
+ * Enables or disables reporter to include diff in test failure output.
+ *
+ * @public
+ * @see [CLI option](../#-diff)
+ * @param {boolean} [diff=true] - Whether to show diff on failure.
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.diff = function (diff) {
+ this.options.diff = diff !== false;
+ return this;
+ };
+
+ /**
+ * @summary
+ * Sets timeout threshold value.
+ *
+ * @description
+ * A string argument can use shorthand (such as "2s") and will be converted.
+ * If the value is `0`, timeouts will be disabled.
+ *
+ * @public
+ * @see [CLI option](../#-timeout-ms-t-ms)
+ * @see [Timeouts](../#timeouts)
+ * @param {number|string} msecs - Timeout threshold value.
+ * @return {Mocha} this
+ * @chainable
+ * @example
+ *
+ * // Sets timeout to one second
+ * mocha.timeout(1000);
+ * @example
+ *
+ * // Same as above but using string argument
+ * mocha.timeout('1s');
+ */
+ Mocha.prototype.timeout = function (msecs) {
+ this.suite.timeout(msecs);
+ return this;
+ };
+
+ /**
+ * Sets the number of times to retry failed tests.
+ *
+ * @public
+ * @see [CLI option](../#-retries-n)
+ * @see [Retry Tests](../#retry-tests)
+ * @param {number} retry - Number of times to retry failed tests.
+ * @return {Mocha} this
+ * @chainable
+ * @example
+ *
+ * // Allow any failed test to retry one more time
+ * mocha.retries(1);
+ */
+ Mocha.prototype.retries = function (retry) {
+ this.suite.retries(retry);
+ return this;
+ };
+
+ /**
+ * Sets slowness threshold value.
+ *
+ * @public
+ * @see [CLI option](../#-slow-ms-s-ms)
+ * @param {number} msecs - Slowness threshold value.
+ * @return {Mocha} this
+ * @chainable
+ * @example
+ *
+ * // Sets "slow" threshold to half a second
+ * mocha.slow(500);
+ * @example
+ *
+ * // Same as above but using string argument
+ * mocha.slow('0.5s');
+ */
+ Mocha.prototype.slow = function (msecs) {
+ this.suite.slow(msecs);
+ return this;
+ };
+
+ /**
+ * Forces all tests to either accept a `done` callback or return a promise.
+ *
+ * @public
+ * @see [CLI option](../#-async-only-a)
+ * @param {boolean} [asyncOnly=true] - Whether to force `done` callback or promise.
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.asyncOnly = function (asyncOnly) {
+ this.options.asyncOnly = asyncOnly !== false;
+ return this;
+ };
+
+ /**
+ * Disables syntax highlighting (in browser).
+ *
+ * @public
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.noHighlighting = function () {
+ this.options.noHighlighting = true;
+ return this;
+ };
+
+ /**
+ * Enables or disables uncaught errors to propagate.
+ *
+ * @public
+ * @see [CLI option](../#-allow-uncaught)
+ * @param {boolean} [allowUncaught=true] - Whether to propagate uncaught errors.
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.allowUncaught = function (allowUncaught) {
+ this.options.allowUncaught = allowUncaught !== false;
+ return this;
+ };
+
+ /**
+ * @summary
+ * Delays root suite execution.
+ *
+ * @description
+ * Used to perform async operations before any suites are run.
+ *
+ * @public
+ * @see [delayed root suite](../#delayed-root-suite)
+ * @returns {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.delay = function delay() {
+ this.options.delay = true;
+ return this;
+ };
+
+ /**
+ * Enables or disables running tests in dry-run mode.
+ *
+ * @public
+ * @see [CLI option](../#-dry-run)
+ * @param {boolean} [dryRun=true] - Whether to activate dry-run mode.
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.dryRun = function (dryRun) {
+ this.options.dryRun = dryRun !== false;
+ return this;
+ };
+
+ /**
+ * Fails test run if no tests encountered with exit-code 1.
+ *
+ * @public
+ * @see [CLI option](../#-fail-zero)
+ * @param {boolean} [failZero=true] - Whether to fail test run.
+ * @return {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.failZero = function (failZero) {
+ this.options.failZero = failZero !== false;
+ return this;
+ };
+
+ /**
+ * Causes tests marked `only` to fail the suite.
+ *
+ * @public
+ * @see [CLI option](../#-forbid-only)
+ * @param {boolean} [forbidOnly=true] - Whether tests marked `only` fail the suite.
+ * @returns {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.forbidOnly = function (forbidOnly) {
+ this.options.forbidOnly = forbidOnly !== false;
+ return this;
+ };
+
+ /**
+ * Causes pending tests and tests marked `skip` to fail the suite.
+ *
+ * @public
+ * @see [CLI option](../#-forbid-pending)
+ * @param {boolean} [forbidPending=true] - Whether pending tests fail the suite.
+ * @returns {Mocha} this
+ * @chainable
+ */
+ Mocha.prototype.forbidPending = function (forbidPending) {
+ this.options.forbidPending = forbidPending !== false;
+ return this;
+ };
+
+ /**
+ * Throws an error if mocha is in the wrong state to be able to transition to a "running" state.
+ * @private
+ */
+ Mocha.prototype._guardRunningStateTransition = function () {
+ if (this._state === mochaStates.RUNNING) {
+ throw createMochaInstanceAlreadyRunningError(
+ 'Mocha instance is currently running tests, cannot start a next test run until this one is done',
+ this
+ );
+ }
+ if (
+ this._state === mochaStates.DISPOSED ||
+ this._state === mochaStates.REFERENCES_CLEANED
+ ) {
+ throw createMochaInstanceAlreadyDisposedError(
+ 'Mocha instance is already disposed, cannot start a new test run. Please create a new mocha instance. Be sure to set disable `cleanReferencesAfterRun` when you want to reuse the same mocha instance for multiple test runs.',
+ this._cleanReferencesAfterRun,
+ this
+ );
+ }
+ };
+
+ /**
+ * Mocha version as specified by "package.json".
+ *
+ * @name Mocha#version
+ * @type string
+ * @readonly
+ */
+ Object.defineProperty(Mocha.prototype, 'version', {
+ value: require$$17.version,
+ configurable: false,
+ enumerable: true,
+ writable: false
+ });
+
+ /**
+ * Callback to be invoked when test execution is complete.
+ *
+ * @private
+ * @callback DoneCB
+ * @param {number} failures - Number of failures that occurred.
+ */
+
+ /**
+ * Runs root suite and invokes `fn()` when complete.
+ *
+ * @description
+ * To run tests multiple times (or to run tests in files that are
+ * already in the `require` cache), make sure to clear them from
+ * the cache first!
+ *
+ * @public
+ * @see {@link Mocha#unloadFiles}
+ * @see {@link Runner#run}
+ * @param {DoneCB} [fn] - Callback invoked when test execution completed.
+ * @returns {Runner} runner instance
+ * @example
+ *
+ * // exit with non-zero status if there were test failures
+ * mocha.run(failures => process.exitCode = failures ? 1 : 0);
+ */
+ Mocha.prototype.run = function (fn) {
+ this._guardRunningStateTransition();
+ this._state = mochaStates.RUNNING;
+ if (this._previousRunner) {
+ this._previousRunner.dispose();
+ this.suite.reset();
+ }
+ if (this.files.length && !this._lazyLoadFiles) {
+ this.loadFiles();
+ }
+ var suite = this.suite;
+ var options = this.options;
+ options.files = this.files;
+ const runner = new this._runnerClass(suite, {
+ cleanReferencesAfterRun: this._cleanReferencesAfterRun,
+ delay: options.delay,
+ dryRun: options.dryRun,
+ failZero: options.failZero
+ });
+ createStatsCollector(runner);
+ var reporter = new this._reporter(runner, options);
+ runner.checkLeaks = options.checkLeaks === true;
+ runner.fullStackTrace = options.fullTrace;
+ runner.asyncOnly = options.asyncOnly;
+ runner.allowUncaught = options.allowUncaught;
+ runner.forbidOnly = options.forbidOnly;
+ runner.forbidPending = options.forbidPending;
+ if (options.grep) {
+ runner.grep(options.grep, options.invert);
+ }
+ if (options.global) {
+ runner.globals(options.global);
+ }
+ if (options.color !== undefined) {
+ exports.reporters.Base.useColors = options.color;
+ }
+ exports.reporters.Base.inlineDiffs = options.inlineDiffs;
+ exports.reporters.Base.hideDiff = !options.diff;
+
+ const done = failures => {
+ this._previousRunner = runner;
+ this._state = this._cleanReferencesAfterRun
+ ? mochaStates.REFERENCES_CLEANED
+ : mochaStates.INIT;
+ fn = fn || utils.noop;
+ if (typeof reporter.done === 'function') {
+ reporter.done(failures, fn);
+ } else {
+ fn(failures);
+ }
+ };
+
+ const runAsync = async runner => {
+ const context =
+ this.options.enableGlobalSetup && this.hasGlobalSetupFixtures()
+ ? await this.runGlobalSetup(runner)
+ : {};
+ const failureCount = await runner.runAsync({
+ files: this.files,
+ options
+ });
+ if (this.options.enableGlobalTeardown && this.hasGlobalTeardownFixtures()) {
+ await this.runGlobalTeardown(runner, {context});
+ }
+ return failureCount;
+ };
+
+ // no "catch" here is intentional. errors coming out of
+ // Runner#run are considered uncaught/unhandled and caught
+ // by the `process` event listeners.
+ // also: returning anything other than `runner` would be a breaking
+ // change
+ runAsync(runner).then(done);
+
+ return runner;
+ };
+
+ /**
+ * Assigns hooks to the root suite
+ * @param {MochaRootHookObject} [hooks] - Hooks to assign to root suite
+ * @chainable
+ */
+ Mocha.prototype.rootHooks = function rootHooks({
+ beforeAll = [],
+ beforeEach = [],
+ afterAll = [],
+ afterEach = []
+ } = {}) {
+ beforeAll = utils.castArray(beforeAll);
+ beforeEach = utils.castArray(beforeEach);
+ afterAll = utils.castArray(afterAll);
+ afterEach = utils.castArray(afterEach);
+ beforeAll.forEach(hook => {
+ this.suite.beforeAll(hook);
+ });
+ beforeEach.forEach(hook => {
+ this.suite.beforeEach(hook);
+ });
+ afterAll.forEach(hook => {
+ this.suite.afterAll(hook);
+ });
+ afterEach.forEach(hook => {
+ this.suite.afterEach(hook);
+ });
+ return this;
+ };
+
+ /**
+ * Toggles parallel mode.
+ *
+ * Must be run before calling {@link Mocha#run}. Changes the `Runner` class to
+ * use; also enables lazy file loading if not already done so.
+ *
+ * Warning: when passed `false` and lazy loading has been enabled _via any means_ (including calling `parallelMode(true)`), this method will _not_ disable lazy loading. Lazy loading is a prerequisite for parallel
+ * mode, but parallel mode is _not_ a prerequisite for lazy loading!
+ * @param {boolean} [enable] - If `true`, enable; otherwise disable.
+ * @throws If run in browser
+ * @throws If Mocha not in `INIT` state
+ * @returns {Mocha}
+ * @chainable
+ * @public
+ */
+ Mocha.prototype.parallelMode = function parallelMode(enable = true) {
+ if (utils.isBrowser()) {
+ throw createUnsupportedError('parallel mode is only supported in Node.js');
+ }
+ const parallel = Boolean(enable);
+ if (
+ parallel === this.options.parallel &&
+ this._lazyLoadFiles &&
+ this._runnerClass !== exports.Runner
+ ) {
+ return this;
+ }
+ if (this._state !== mochaStates.INIT) {
+ throw createUnsupportedError(
+ 'cannot change parallel mode after having called run()'
+ );
+ }
+ this.options.parallel = parallel;
+
+ // swap Runner class
+ this._runnerClass = parallel
+ ? require$$18
+ : exports.Runner;
+
+ // lazyLoadFiles may have been set `true` otherwise (for ESM loading),
+ // so keep `true` if so.
+ return this.lazyLoadFiles(this._lazyLoadFiles || parallel);
+ };
+
+ /**
+ * Disables implicit call to {@link Mocha#loadFiles} in {@link Mocha#run}. This
+ * setting is used by watch mode, parallel mode, and for loading ESM files.
+ * @todo This should throw if we've already loaded files; such behavior
+ * necessitates adding a new state.
+ * @param {boolean} [enable] - If `true`, disable eager loading of files in
+ * {@link Mocha#run}
+ * @chainable
+ * @public
+ */
+ Mocha.prototype.lazyLoadFiles = function lazyLoadFiles(enable) {
+ this._lazyLoadFiles = enable === true;
+ debug('set lazy load to %s', enable);
+ return this;
+ };
+
+ /**
+ * Configures one or more global setup fixtures.
+ *
+ * If given no parameters, _unsets_ any previously-set fixtures.
+ * @chainable
+ * @public
+ * @param {MochaGlobalFixture|MochaGlobalFixture[]} [setupFns] - Global setup fixture(s)
+ * @returns {Mocha}
+ */
+ Mocha.prototype.globalSetup = function globalSetup(setupFns = []) {
+ setupFns = utils.castArray(setupFns);
+ this.options.globalSetup = setupFns;
+ debug('configured %d global setup functions', setupFns.length);
+ return this;
+ };
+
+ /**
+ * Configures one or more global teardown fixtures.
+ *
+ * If given no parameters, _unsets_ any previously-set fixtures.
+ * @chainable
+ * @public
+ * @param {MochaGlobalFixture|MochaGlobalFixture[]} [teardownFns] - Global teardown fixture(s)
+ * @returns {Mocha}
+ */
+ Mocha.prototype.globalTeardown = function globalTeardown(teardownFns = []) {
+ teardownFns = utils.castArray(teardownFns);
+ this.options.globalTeardown = teardownFns;
+ debug('configured %d global teardown functions', teardownFns.length);
+ return this;
+ };
+
+ /**
+ * Run any global setup fixtures sequentially, if any.
+ *
+ * This is _automatically called_ by {@link Mocha#run} _unless_ the `runGlobalSetup` option is `false`; see {@link Mocha#enableGlobalSetup}.
+ *
+ * The context object this function resolves with should be consumed by {@link Mocha#runGlobalTeardown}.
+ * @param {object} [context] - Context object if already have one
+ * @public
+ * @returns {Promise