From 22a5962095a158b1941d614c09369b4beac3c09b Mon Sep 17 00:00:00 2001
From: Issei Horie <issei.horie@is2ei.com>
Date: Fri, 28 Jan 2022 01:24:38 +0900
Subject: [PATCH] fix: ignore hidden input without label

fix #866
---
 dist/core/rules/input-requires-label.js | 6 ++++--
 dist/htmlhint.js                        | 4 +++-
 dist/htmlhint.min.js                    | 2 +-
 src/core/rules/input-requires-label.ts  | 5 ++++-
 test/rules/input-requires-label.spec.js | 6 ++++++
 5 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/dist/core/rules/input-requires-label.js b/dist/core/rules/input-requires-label.js
index 68d390400..59c054cd2 100644
--- a/dist/core/rules/input-requires-label.js
+++ b/dist/core/rules/input-requires-label.js
@@ -11,7 +11,9 @@ exports.default = {
             const mapAttrs = parser.getMapAttrs(event.attrs);
             const col = event.col + tagName.length + 1;
             if (tagName === 'input') {
-                inputTags.push({ event: event, col: col, id: mapAttrs['id'] });
+                if (mapAttrs['type'] !== 'hidden') {
+                    inputTags.push({ event: event, col: col, id: mapAttrs['id'] });
+                }
             }
             if (tagName === 'label') {
                 if ('for' in mapAttrs && mapAttrs['for'] !== '') {
@@ -37,4 +39,4 @@ exports.default = {
         }
     },
 };
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diff --git a/dist/htmlhint.js b/dist/htmlhint.js
index 05e040d49..55753504b 100644
--- a/dist/htmlhint.js
+++ b/dist/htmlhint.js
@@ -986,7 +986,9 @@
 	            const mapAttrs = parser.getMapAttrs(event.attrs);
 	            const col = event.col + tagName.length + 1;
 	            if (tagName === 'input') {
-	                inputTags.push({ event: event, col: col, id: mapAttrs['id'] });
+	                if (mapAttrs['type'] !== 'hidden') {
+	                    inputTags.push({ event: event, col: col, id: mapAttrs['id'] });
+	                }
 	            }
 	            if (tagName === 'label') {
 	                if ('for' in mapAttrs && mapAttrs['for'] !== '') {
diff --git a/dist/htmlhint.min.js b/dist/htmlhint.min.js
index 5fd325611..21e17322e 100644
--- a/dist/htmlhint.min.js
+++ b/dist/htmlhint.min.js
@@ -1 +1 @@
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",init(e,t){const a=[],r=[];e.addListener("tagstart",(t=>{const n=t.tagName.toLowerCase(),s=e.getMapAttrs(t.attrs),i=t.col+n.length+1;"input"===n&&"hidden"!==s.type&&r.push({event:t,col:i,id:s.id}),"label"===n&&"for"in s&&""!==s.for&&a.push({event:t,col:i,forValue:s.for})})),e.addListener("end",(()=>{r.forEach((e=>{(function(e){let t=!1;return a.forEach((a=>{e.id&&e.id===a.forValue&&(t=!0)})),t})(e)||t.warn("No matching [ label ] tag found.",e.event.line,e.col,this,e.event.raw)}))}))}};var $={};Object.defineProperty($,"__esModule",{value:!0}),$.default={id:"script-disabled",description:"The <script> tag cannot be used.",init(e,t){e.addListener("tagstart",(e=>{"script"===e.tagName.toLowerCase()&&t.error("The <script> tag cannot be used.",e.line,e.col,this,e.raw)}))}};var T={};Object.defineProperty(T,"__esModule",{value:!0}),T.default={id:"space-tab-mixed-disabled",description:"Do not mix tabs and spaces for indentation.",init(e,t,a){let r="nomix",n=null;if("string"==typeof a){const e=/^([a-z]+)(\d+)?/.exec(a);e&&(r=e[1],n=e[2]&&parseInt(e[2],10))}e.addListener("text",(a=>{const s=a.raw,i=/(^|\r?\n)([ \t]+)/g;let l;for(;l=i.exec(s);){const s=e.fixPos(a,l.index+l[1].length);if(1!==s.col)continue;const i=l[2];"space"===r?n?!1!==/^ +$/.test(i)&&i.length%n==0||t.warn(`Please use space for indentation and keep ${n} length.`,s.line,1,this,a.raw):!1===/^ +$/.test(i)&&t.warn("Please use space for indentation.",s.line,1,this,a.raw):"tab"===r&&!1===/^\t+$/.test(i)?t.warn("Please use tab for indentation.",s.line,1,this,a.raw):!0===/ +\t|\t+ /.test(i)&&t.warn("Do not mix tabs and spaces for indentation.",s.line,1,this,a.raw)}}))}};var A={};Object.defineProperty(A,"__esModule",{value:!0}),A.default={id:"spec-char-escape",description:"Special characters must be escaped.",init(e,t){e.addListener("text",(a=>{const r=a.raw,n=/([<>])|( \& )/g;let s;for(;s=n.exec(r);){const r=e.fixPos(a,s.index);t.error(`Special characters must be escaped : [ ${s[0]} ].`,r.line,r.col,this,a.raw)}}))}};var M={};Object.defineProperty(M,"__esModule",{value:!0}),M.default={id:"src-not-empty",description:"The src attribute of an img(script,link) must have a value.",init(e,t){e.addListener("tagstart",(e=>{const a=e.tagName,r=e.attrs;let n;const s=e.col+a.length+1;for(let i=0,l=r.length;i<l;i++)n=r[i],(!0===/^(img|script|embed|bgsound|iframe)$/.test(a)&&"src"===n.name||"link"===a&&"href"===n.name||"object"===a&&"data"===n.name)&&""===n.value&&t.error(`The attribute [ ${n.name} ] of the tag [ ${a} ] must have a value.`,e.line,s+n.index,this,n.raw)}))}};var C={};Object.defineProperty(C,"__esModule",{value:!0}),C.default={id:"style-disabled",description:"<style> tags cannot be used.",init(e,t){e.addListener("tagstart",(e=>{"style"===e.tagName.toLowerCase()&&t.warn("The <style> tag cannot be used.",e.line,e.col,this,e.raw)}))}};var N={};Object.defineProperty(N,"__esModule",{value:!0}),N.default={id:"tag-pair",description:"Tag must be paired.",init(e,t){const a=[],r=e.makeMap("area,base,basefont,br,col,frame,hr,img,input,isindex,link,meta,param,embed,track,command,source,keygen,wbr");e.addListener("tagstart",(e=>{const t=e.tagName.toLowerCase();void 0!==r[t]||e.close||a.push({tagName:t,line:e.line,raw:e.raw})})),e.addListener("tagend",(e=>{const r=e.tagName.toLowerCase();let n;for(n=a.length-1;n>=0&&a[n].tagName!==r;n--);if(n>=0){const r=[];for(let e=a.length-1;e>n;e--)r.push(`</${a[e].tagName}>`);if(r.length>0){const n=a[a.length-1];t.error(`Tag must be paired, missing: [ ${r.join("")} ], start tag match failed [ ${n.raw} ] on line ${n.line}.`,e.line,e.col,this,e.raw)}a.length=n}else t.error(`Tag must be paired, no start tag: [ ${e.raw} ]`,e.line,e.col,this,e.raw)})),e.addListener("end",(e=>{const r=[];for(let e=a.length-1;e>=0;e--)r.push(`</${a[e].tagName}>`);if(r.length>0){const n=a[a.length-1];t.error(`Tag must be paired, missing: [ ${r.join("")} ], open tag match failed [ ${n.raw} ] on line ${n.line}.`,e.line,e.col,this,"")}}))}};var k={};Object.defineProperty(k,"__esModule",{value:!0}),k.default={id:"tag-self-close",description:"Empty tags must be self closed.",init(e,t){const a=e.makeMap("area,base,basefont,bgsound,br,col,frame,hr,img,input,isindex,link,meta,param,embed,track,command,source,keygen,wbr");e.addListener("tagstart",(e=>{const r=e.tagName.toLowerCase();void 0!==a[r]&&(e.close||t.warn(`The empty tag : [ ${r} ] must be self closed.`,e.line,e.col,this,e.raw))}))}};var q={};Object.defineProperty(q,"__esModule",{value:!0}),q.default={id:"empty-tag-not-self-closed",description:"Empty tags must not use self closed syntax.",init(e,t){const a=e.makeMap("area,base,basefont,bgsound,br,col,frame,hr,img,input,isindex,link,meta,param,embed,track,command,source,keygen,wbr");e.addListener("tagstart",(e=>{const r=e.tagName.toLowerCase();void 0!==a[r]&&e.close&&t.error(`The empty tag : [ ${r} ] must not use self closed syntax.`,e.line,e.col,this,e.raw)}))}};var E={};Object.defineProperty(E,"__esModule",{value:!0}),E.default={id:"tagname-lowercase",description:"All html element names must be in lowercase.",init(e,t,a){const r=Array.isArray(a)?a:[];e.addListener("tagstart,tagend",(e=>{const a=e.tagName;-1===r.indexOf(a)&&a!==a.toLowerCase()&&t.error(`The html element name of [ ${a} ] must be in lowercase.`,e.line,e.col,this,e.raw)}))}};var R={};Object.defineProperty(R,"__esModule",{value:!0}),R.default={id:"tagname-specialchars",description:"All special characters must be escaped.",init(e,t){const a=/[^a-zA-Z0-9\-:_]/;e.addListener("tagstart,tagend",(e=>{const r=e.tagName;a.test(r)&&t.error(`The html element name of [ ${r} ] contains special character.`,e.line,e.col,this,e.raw)}))}};var S={};Object.defineProperty(S,"__esModule",{value:!0}),S.default={id:"title-require",description:"<title> must be present in <head> tag.",init(e,t){let a=!1,r=!1;const n=e=>{const t=e.tagName.toLowerCase();"head"===t?a=!0:"title"===t&&a&&(r=!0)},s=a=>{const i=a.tagName.toLowerCase();if(r&&"title"===i){const e=a.lastEvent;("text"!==e.type||"text"===e.type&&!0===/^\s*$/.test(e.raw))&&t.error("<title></title> must not be empty.",a.line,a.col,this,a.raw)}else"head"===i&&(!1===r&&t.error("<title> must be present in <head> tag.",a.line,a.col,this,a.raw),e.removeListener("tagstart",n),e.removeListener("tagend",s))};e.addListener("tagstart",n),e.addListener("tagend",s)}};var z={};Object.defineProperty(z,"__esModule",{value:!0});let D={a:{selfclosing:!1,attrsRequired:["href","title"],redundantAttrs:["alt"]},div:{selfclosing:!1},main:{selfclosing:!1,redundantAttrs:["role"]},nav:{selfclosing:!1,redundantAttrs:["role"]},script:{attrsOptional:[["async","async"],["defer","defer"]]},img:{selfclosing:!0,attrsRequired:["src","alt","title"]}};z.default={id:"tags-check",description:"Checks html tags.",init(e,t,a){D=Object.assign(Object.assign({},D),a),e.addListener("tagstart",(e=>{const a=e.attrs,r=e.col+e.tagName.length+1,n=e.tagName.toLowerCase();if(D[n]){const s=D[n];if(!0!==s.selfclosing||e.close?!1===s.selfclosing&&e.close&&t.warn(`The <${n}> tag must not be selfclosing.`,e.line,e.col,this,e.raw):t.warn(`The <${n}> tag must be selfclosing.`,e.line,e.col,this,e.raw),Array.isArray(s.attrsRequired)){s.attrsRequired.forEach((s=>{if(Array.isArray(s)){const i=s.map((e=>e)),l=i.shift(),o=i;a.some((e=>e.name===l))?a.forEach((a=>{a.name===l&&-1===o.indexOf(a.value)&&t.error(`The <${n}> tag must have attr '${l}' with one value of '${o.join("' or '")}'.`,e.line,r,this,e.raw)})):t.error(`The <${n}> tag must have attr '${l}'.`,e.line,r,this,e.raw)}else a.some((e=>-1!==s.split("|").indexOf(e.name)))||t.error(`The <${n}> tag must have attr '${s}'.`,e.line,r,this,e.raw)}))}if(Array.isArray(s.attrsOptional)){s.attrsOptional.forEach((s=>{if(Array.isArray(s)){const i=s.map((e=>e)),l=i.shift(),o=i;a.some((e=>e.name===l))&&a.forEach((a=>{a.name===l&&-1===o.indexOf(a.value)&&t.error(`The <${n}> tag must have optional attr '${l}' with one value of '${o.join("' or '")}'.`,e.line,r,this,e.raw)}))}}))}if(Array.isArray(s.redundantAttrs)){s.redundantAttrs.forEach((s=>{a.some((e=>e.name===s))&&t.error(`The attr '${s}' is redundant for <${n}> and should be omitted.`,e.line,r,this,e.raw)}))}}}))}};var U={};return Object.defineProperty(U,"__esModule",{value:!0}),U.default={id:"attr-no-unnecessary-whitespace",description:"No spaces between attribute names and values.",init(e,t,a){const r=Array.isArray(a)?a:[];e.addListener("tagstart",(e=>{const a=e.attrs,n=e.col+e.tagName.length+1;for(let s=0;s<a.length;s++)if(-1===r.indexOf(a[s].name)){const r=/(\s*)=(\s*)/.exec(a[s].raw.trim());!r||0===r[1].length&&0===r[2].length||t.error(`The attribute '${a[s].name}' must not have spaces between the name and value.`,e.line,n+a[s].index,this,a[s].raw)}}))}},function(e){Object.defineProperty(e,"__esModule",{value:!0}),e.attrNoUnnecessaryWhitespace=e.tagsCheck=e.titleRequire=e.tagnameSpecialChars=e.tagnameLowercase=e.emptyTagNotSelfClosed=e.tagSelfClose=e.tagPair=e.styleDisabled=e.srcNotEmpty=e.specCharEscape=e.spaceTabMixedDisabled=e.scriptDisabled=e.inputRequiresLabel=e.inlineStyleDisabled=e.inlineScriptDisabled=e.idUnique=e.idClassValue=e.idClsasAdDisabled=e.htmlLangRequire=e.hrefAbsOrRel=e.headScriptDisabled=e.doctypeHTML5=e.doctypeFirst=e.attrWhitespace=e.attrValueSingleQuotes=e.attrValueNotEmpty=e.attrValueDoubleQuotes=e.attrUnsafeChars=e.attrNoDuplication=e.attrSort=e.attrLowercase=e.altRequire=void 0;var t=s;Object.defineProperty(e,"altRequire",{enumerable:!0,get:function(){return t.default}});var a=i;Object.defineProperty(e,"attrLowercase",{enumerable:!0,get:function(){return a.default}});var r=u;Object.defineProperty(e,"attrSort",{enumerable:!0,get:function(){return r.default}});var n=d;Object.defineProperty(e,"attrNoDuplication",{enumerable:!0,get:function(){return n.default}});var l=c;Object.defineProperty(e,"attrUnsafeChars",{enumerable:!0,get:function(){return l.default}});var o=f;Object.defineProperty(e,"attrValueDoubleQuotes",{enumerable:!0,get:function(){return o.default}});var D=g;Object.defineProperty(e,"attrValueNotEmpty",{enumerable:!0,get:function(){return D.default}});var Z=h;Object.defineProperty(e,"attrValueSingleQuotes",{enumerable:!0,get:function(){return Z.default}});var H=p;Object.defineProperty(e,"attrWhitespace",{enumerable:!0,get:function(){return H.default}});var I=m;Object.defineProperty(e,"doctypeFirst",{enumerable:!0,get:function(){return I.default}});var F=b;Object.defineProperty(e,"doctypeHTML5",{enumerable:!0,get:function(){return F.default}});var V=v;Object.defineProperty(e,"headScriptDisabled",{enumerable:!0,get:function(){return V.default}});var B=y;Object.defineProperty(e,"hrefAbsOrRel",{enumerable:!0,get:function(){return B.default}});var Y=w;Object.defineProperty(e,"htmlLangRequire",{enumerable:!0,get:function(){return Y.default}});var W=x;Object.defineProperty(e,"idClsasAdDisabled",{enumerable:!0,get:function(){return W.default}});var J=L;Object.defineProperty(e,"idClassValue",{enumerable:!0,get:function(){return J.default}});var Q=O;Object.defineProperty(e,"idUnique",{enumerable:!0,get:function(){return Q.default}});var X=j;Object.defineProperty(e,"inlineScriptDisabled",{enumerable:!0,get:function(){return X.default}});var G=P;Object.defineProperty(e,"inlineStyleDisabled",{enumerable:!0,get:function(){return G.default}});var K=_;Object.defineProperty(e,"inputRequiresLabel",{enumerable:!0,get:function(){return K.default}});var ee=$;Object.defineProperty(e,"scriptDisabled",{enumerable:!0,get:function(){return ee.default}});var te=T;Object.defineProperty(e,"spaceTabMixedDisabled",{enumerable:!0,get:function(){return te.default}});var ae=A;Object.defineProperty(e,"specCharEscape",{enumerable:!0,get:function(){return ae.default}});var re=M;Object.defineProperty(e,"srcNotEmpty",{enumerable:!0,get:function(){return re.default}});var ne=C;Object.defineProperty(e,"styleDisabled",{enumerable:!0,get:function(){return ne.default}});var se=N;Object.defineProperty(e,"tagPair",{enumerable:!0,get:function(){return se.default}});var ie=k;Object.defineProperty(e,"tagSelfClose",{enumerable:!0,get:function(){return ie.default}});var le=q;Object.defineProperty(e,"emptyTagNotSelfClosed",{enumerable:!0,get:function(){return le.default}});var oe=E;Object.defineProperty(e,"tagnameLowercase",{enumerable:!0,get:function(){return oe.default}});var ue=R;Object.defineProperty(e,"tagnameSpecialChars",{enumerable:!0,get:function(){return ue.default}});var de=S;Object.defineProperty(e,"titleRequire",{enumerable:!0,get:function(){return de.default}});var ce=z;Object.defineProperty(e,"tagsCheck",{enumerable:!0,get:function(){return ce.default}});var fe=U;Object.defineProperty(e,"attrNoUnnecessaryWhitespace",{enumerable:!0,get:function(){return fe.default}})}(n),function(e){Object.defineProperty(e,"__esModule",{value:!0}),e.HTMLParser=e.Reporter=e.HTMLRules=e.HTMLHint=void 0;const t=a;e.HTMLParser=t.default;const s=r;e.Reporter=s.default;const i=n;e.HTMLRules=i;function l(e,t){return new Array(e+1).join(t||" ")}e.HTMLHint=new class{constructor(){this.rules={},this.defaultRuleset={"tagname-lowercase":!0,"attr-lowercase":!0,"attr-value-double-quotes":!0,"doctype-first":!0,"tag-pair":!0,"spec-char-escape":!0,"id-unique":!0,"src-not-empty":!0,"attr-no-duplication":!0,"title-require":!0}}addRule(e){this.rules[e.id]=e}verify(e,a=this.defaultRuleset){0===Object.keys(a).length&&(a=this.defaultRuleset),e=e.replace(/^\s*<!--\s*htmlhint\s+([^\r\n]+?)\s*-->/i,((e,t)=>(t.replace(/(?:^|,)\s*([^:,]+)\s*(?:\:\s*([^,\s]+))?/g,((e,t,r)=>(a[t]=!(void 0!==r&&r.length>0)||JSON.parse(r),""))),"")));const r=new t.default,n=new s.default(e,a),i=this.rules;let l;for(const e in a)l=i[e],void 0!==l&&!1!==a[e]&&l.init(r,n,a[e]);return r.parse(e),n.messages}format(e,t={}){const a=[],r={white:"",grey:"",red:"",reset:""};t.colors&&(r.white="",r.grey="",r.red="",r.reset="");const n=t.indent||0;return e.forEach((e=>{let t=e.evidence;const s=e.line,i=e.col,o=t.length;let u=i>41?i-40:1,d=t.length>i+60?i+60:o;i<41&&(d+=40-i+1),t=t.replace(/\t/g," ").substring(u-1,d),u>1&&(t=`...${t}`,u-=3),d<o&&(t+="..."),a.push(`${r.white+l(n)}L${s} |${r.grey}${t}${r.reset}`);let c=i-u;const f=t.substring(0,c).match(/[^\u0000-\u00ff]/g);null!==f&&(c+=f.length),a.push(`${r.white+l(n)+l(String(s).length+3+c)}^ ${r.red}${e.message} (${e.rule.id})${r.reset}`)})),a}},Object.keys(i).forEach((t=>{e.HTMLHint.addRule(i[t])}))}(t),e(t)}));
diff --git a/src/core/rules/input-requires-label.ts b/src/core/rules/input-requires-label.ts
index 8ad80b35a..41ba3ba3f 100644
--- a/src/core/rules/input-requires-label.ts
+++ b/src/core/rules/input-requires-label.ts
@@ -18,7 +18,10 @@ export default {
       const col = event.col + tagName.length + 1
 
       if (tagName === 'input') {
-        inputTags.push({ event: event, col: col, id: mapAttrs['id'] })
+        // label is not required for hidden input
+        if (mapAttrs['type'] !== 'hidden') {
+          inputTags.push({ event: event, col: col, id: mapAttrs['id'] })
+        }
       }
 
       if (tagName === 'label') {
diff --git a/test/rules/input-requires-label.spec.js b/test/rules/input-requires-label.spec.js
index 78ff0bbec..af89d46b4 100644
--- a/test/rules/input-requires-label.spec.js
+++ b/test/rules/input-requires-label.spec.js
@@ -22,6 +22,12 @@ describe(`Rules: ${ruleId}`, () => {
       const messages = HTMLHint.verify(code, ruleOptions)
       expect(messages.length).to.be(0)
     })
+
+    it('Hidden input tag with no matching label should result in no error', () => {
+      const code = '<input id="some-id" type="hidden" />'
+      const messages = HTMLHint.verify(code, ruleOptions)
+      expect(messages.length).to.be(0)
+    })
   })
 
   describe('Error cases', () => {