MrbWebLibre/packages/flutter_mozilla_components/javascript/readability/dist/readability.min.js

!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.ReadabilityBundle=t():e.ReadabilityBundle=t()}(this,()=>(()=>{var e={238:e=>{function t(e,t){if(t&&t.documentElement)e=t,t=arguments[2];else if(!e||!e.documentElement)throw new Error("First argument to Readability constructor should be a document object.");if(t=t||{},this._doc=e,this._docJSDOMParser=this._doc.firstChild.__JSDOMParser__,this._articleTitle=null,this._articleByline=null,this._articleDir=null,this._articleSiteName=null,this._attempts=[],this._metadata={},this._debug=!!t.debug,this._maxElemsToParse=t.maxElemsToParse||this.DEFAULT_MAX_ELEMS_TO_PARSE,this._nbTopCandidates=t.nbTopCandidates||this.DEFAULT_N_TOP_CANDIDATES,this._charThreshold=t.charThreshold||this.DEFAULT_CHAR_THRESHOLD,this._classesToPreserve=this.CLASSES_TO_PRESERVE.concat(t.classesToPreserve||[]),this._keepClasses=!!t.keepClasses,this._serializer=t.serializer||function(e){return e.innerHTML},this._disableJSONLD=!!t.disableJSONLD,this._allowedVideoRegex=t.allowedVideoRegex||this.REGEXPS.videos,this._linkDensityModifier=t.linkDensityModifier||0,this._flags=this.FLAG_STRIP_UNLIKELYS|this.FLAG_WEIGHT_CLASSES|this.FLAG_CLEAN_CONDITIONALLY,this._debug){let e=function(e){if(e.nodeType==e.TEXT_NODE)return`${e.nodeName} ("${e.textContent}")`;let t=Array.from(e.attributes||[],function(e){return`${e.name}="${e.value}"`}).join(" ");return`<${e.localName} ${t}>`};this.log=function(){if("undefined"!=typeof console){let t=Array.from(arguments,t=>t&&t.nodeType==this.ELEMENT_NODE?e(t):t);t.unshift("Reader: (Readability)"),console.log(...t)}else if("undefined"!=typeof dump){var t=Array.prototype.map.call(arguments,function(t){return t&&t.nodeName?e(t):t}).join(" ");dump("Reader: (Readability) "+t+"\n")}}}else this.log=function(){}}t.prototype={FLAG_STRIP_UNLIKELYS:1,FLAG_WEIGHT_CLASSES:2,FLAG_CLEAN_CONDITIONALLY:4,ELEMENT_NODE:1,TEXT_NODE:3,DEFAULT_MAX_ELEMS_TO_PARSE:0,DEFAULT_N_TOP_CANDIDATES:5,DEFAULT_TAGS_TO_SCORE:"section,h2,h3,h4,h5,h6,p,td,pre".toUpperCase().split(","),DEFAULT_CHAR_THRESHOLD:500,REGEXPS:{unlikelyCandidates:/-ad-|ai2html|banner|breadcrumbs|combx|comment|community|cover-wrap|disqus|extra|footer|gdpr|header|legends|menu|related|remark|replies|rss|shoutbox|sidebar|skyscraper|social|sponsor|supplemental|ad-break|agegate|pagination|pager|popup|yom-remote/i,okMaybeItsACandidate:/and|article|body|column|content|main|shadow/i,positive:/article|body|content|entry|hentry|h-entry|main|page|pagination|post|text|blog|story/i,negative:/-ad-|hidden|^hid$| hid$| hid |^hid |banner|combx|comment|com-|contact|footer|gdpr|masthead|media|meta|outbrain|promo|related|scroll|share|shoutbox|sidebar|skyscraper|sponsor|shopping|tags|widget/i,extraneous:/print|archive|comment|discuss|e[\-]?mail|share|reply|all|login|sign|single|utility/i,byline:/byline|author|dateline|writtenby|p-author/i,replaceFonts:/<(\/?)font[^>]*>/gi,normalize:/\s{2,}/g,videos:/\/\/(www\.)?((dailymotion|youtube|youtube-nocookie|player\.vimeo|v\.qq)\.com|(archive|upload\.wikimedia)\.org|player\.twitch\.tv)/i,shareElements:/(\b|_)(share|sharedaddy)(\b|_)/i,nextLink:/(next|weiter|continue|>([^\|]|$)|»([^\|]|$))/i,prevLink:/(prev|earl|old|new|<|«)/i,tokenize:/\W+/g,whitespace:/^\s*$/,hasContent:/\S$/,hashUrl:/^#.+/,srcsetUrl:/(\S+)(\s+[\d.]+[xw])?(\s*(?:,|$))/g,b64DataUrl:/^data:\s*([^\s;,]+)\s*;\s*base64\s*,/i,commas:/\u002C|\u060C|\uFE50|\uFE10|\uFE11|\u2E41|\u2E34|\u2E32|\uFF0C/g,jsonLdArticleTypes:/^Article|AdvertiserContentArticle|NewsArticle|AnalysisNewsArticle|AskPublicNewsArticle|BackgroundNewsArticle|OpinionNewsArticle|ReportageNewsArticle|ReviewNewsArticle|Report|SatiricalArticle|ScholarlyArticle|MedicalScholarlyArticle|SocialMediaPosting|BlogPosting|LiveBlogPosting|DiscussionForumPosting|TechArticle|APIReference$/,adWords:/^(ad(vertising|vertisement)?|pub(licité)?|werb(ung)?|广告|Реклама|Anuncio)$/iu,loadingWords:/^((loading|正在加载|Загрузка|chargement|cargando)(…|\.\.\.)?)$/iu},UNLIKELY_ROLES:["menu","menubar","complementary","navigation","alert","alertdialog","dialog"],DIV_TO_P_ELEMS:new Set(["BLOCKQUOTE","DL","DIV","IMG","OL","P","PRE","TABLE","UL"]),ALTER_TO_DIV_EXCEPTIONS:["DIV","ARTICLE","SECTION","P","OL","UL"],PRESENTATIONAL_ATTRIBUTES:["align","background","bgcolor","border","cellpadding","cellspacing","frame","hspace","rules","style","valign","vspace"],DEPRECATED_SIZE_ATTRIBUTE_ELEMS:["TABLE","TH","TD","HR","PRE"],PHRASING_ELEMS:["ABBR","AUDIO","B","BDO","BR","BUTTON","CITE","CODE","DATA","DATALIST","DFN","EM","EMBED","I","IMG","INPUT","KBD","LABEL","MARK","MATH","METER","NOSCRIPT","OBJECT","OUTPUT","PROGRESS","Q","RUBY","SAMP","SCRIPT","SELECT","SMALL","SPAN","STRONG","SUB","SUP","TEXTAREA","TIME","VAR","WBR"],CLASSES_TO_PRESERVE:["page"],HTML_ESCAPE_MAP:{lt:"<",gt:">",amp:"&",quot:'"',apos:"'"},_postProcessContent(e){this._fixRelativeUris(e),this._simplifyNestedElements(e),this._keepClasses||this._cleanClasses(e)},_removeNodes(e,t){if(this._docJSDOMParser&&e._isLiveNodeList)throw new Error("Do not pass live node lists to _removeNodes");for(var i=e.length-1;i>=0;i--){var r=e[i],n=r.parentNode;n&&(t&&!t.call(this,r,i,e)||n.removeChild(r))}},_replaceNodeTags(e,t){if(this._docJSDOMParser&&e._isLiveNodeList)throw new Error("Do not pass live node lists to _replaceNodeTags");for(const i of e)this._setNodeTag(i,t)},_forEachNode(e,t){Array.prototype.forEach.call(e,t,this)},_findNode(e,t){return Array.prototype.find.call(e,t,this)},_someNode(e,t){return Array.prototype.some.call(e,t,this)},_everyNode(e,t){return Array.prototype.every.call(e,t,this)},_getAllNodesWithTag:(e,t)=>e.querySelectorAll?e.querySelectorAll(t.join(",")):[].concat.apply([],t.map(function(t){var i=e.getElementsByTagName(t);return Array.isArray(i)?i:Array.from(i)})),_cleanClasses(e){var t=this._classesToPreserve,i=(e.getAttribute("class")||"").split(/\s+/).filter(e=>t.includes(e)).join(" ");for(i?e.setAttribute("class",i):e.removeAttribute("class"),e=e.firstElementChild;e;e=e.nextElementSibling)this._cleanClasses(e)},_isUrl(e){try{return new URL(e),!0}catch{return!1}},_fixRelativeUris(e){var t=this._doc.baseURI,i=this._doc.documentURI;function r(e){if(t==i&&"#"==e.charAt(0))return e;try{return new URL(e,t).href}catch(e){}return e}var n=this._getAllNodesWithTag(e,["a"]);this._forEachNode(n,function(e){var t=e.getAttribute("href");if(t)if(0===t.indexOf("javascript:"))if(1===e.childNodes.length&&e.childNodes[0].nodeType===this.TEXT_NODE){var i=this._doc.createTextNode(e.textContent);e.parentNode.replaceChild(i,e)}else{for(var n=this._doc.createElement("span");e.firstChild;)n.appendChild(e.firstChild);e.parentNode.replaceChild(n,e)}else e.setAttribute("href",r(t))});var a=this._getAllNodesWithTag(e,["img","picture","figure","video","audio","source"]);this._forEachNode(a,function(e){var t=e.getAttribute("src"),i=e.getAttribute("poster"),n=e.getAttribute("srcset");if(t&&e.setAttribute("src",r(t)),i&&e.setAttribute("poster",r(i)),n){var a=n.replace(this.REGEXPS.srcsetUrl,function(e,t,i,n){return r(t)+(i||"")+n});e.setAttribute("srcset",a)}})},_simplifyNestedElements(e){for(var t=e;t;){if(t.parentNode&&["DIV","SECTION"].includes(t.tagName)&&(!t.id||!t.id.startsWith("readability"))){if(this._isElementWithoutContent(t)){t=this._removeAndGetNext(t);continue}if(this._hasSingleTagInsideElement(t,"DIV")||this._hasSingleTagInsideElement(t,"SECTION")){for(var i=t.children[0],r=0;r<t.attributes.length;r++)i.setAttributeNode(t.attributes[r].cloneNode());t.parentNode.replaceChild(i,t),t=i;continue}}t=this._getNextNode(t)}},_getArticleTitle(){var e=this._doc,t="",i="";try{"string"!=typeof(t=i=e.title.trim())&&(t=i=this._getInnerText(e.getElementsByTagName("title")[0]))}catch(e){}var r=!1;function n(e){return e.split(/\s+/).length}if(/ [\|\-\\\/>»] /.test(t)){r=/ [\\\/>»] /.test(t);let e=Array.from(i.matchAll(/ [\|\-\\\/>»] /gi));n(t=i.substring(0,e.pop().index))<3&&(t=i.replace(/^[^\|\-\\\/>»]*[\|\-\\\/>»]/gi,""))}else if(t.includes(": ")){var a=this._getAllNodesWithTag(e,["h1","h2"]),s=t.trim();this._someNode(a,function(e){return e.textContent.trim()===s})||(n(t=i.substring(i.lastIndexOf(":")+1))<3?t=i.substring(i.indexOf(":")+1):n(i.substr(0,i.indexOf(":")))>5&&(t=i))}else if(t.length>150||t.length<15){var o=e.getElementsByTagName("h1");1===o.length&&(t=this._getInnerText(o[0]))}var l=n(t=t.trim().replace(this.REGEXPS.normalize," "));return l<=4&&(!r||l!=n(i.replace(/[\|\-\\\/>»]+/g,""))-1)&&(t=i),t},_prepDocument(){var e=this._doc;this._removeNodes(this._getAllNodesWithTag(e,["style"])),e.body&&this._replaceBrs(e.body),this._replaceNodeTags(this._getAllNodesWithTag(e,["font"]),"SPAN")},_nextNode(e){for(var t=e;t&&t.nodeType!=this.ELEMENT_NODE&&this.REGEXPS.whitespace.test(t.textContent);)t=t.nextSibling;return t},_replaceBrs(e){this._forEachNode(this._getAllNodesWithTag(e,["br"]),function(e){for(var t=e.nextSibling,i=!1;(t=this._nextNode(t))&&"BR"==t.tagName;){i=!0;var r=t.nextSibling;t.remove(),t=r}if(i){var n=this._doc.createElement("p");for(e.parentNode.replaceChild(n,e),t=n.nextSibling;t;){if("BR"==t.tagName){var a=this._nextNode(t.nextSibling);if(a&&"BR"==a.tagName)break}if(!this._isPhrasingContent(t))break;var s=t.nextSibling;n.appendChild(t),t=s}for(;n.lastChild&&this._isWhitespace(n.lastChild);)n.lastChild.remove();"P"===n.parentNode.tagName&&this._setNodeTag(n.parentNode,"DIV")}})},_setNodeTag(e,t){if(this.log("_setNodeTag",e,t),this._docJSDOMParser)return e.localName=t.toLowerCase(),e.tagName=t.toUpperCase(),e;for(var i=e.ownerDocument.createElement(t);e.firstChild;)i.appendChild(e.firstChild);e.parentNode.replaceChild(i,e),e.readability&&(i.readability=e.readability);for(var r=0;r<e.attributes.length;r++)i.setAttributeNode(e.attributes[r].cloneNode());return i},_prepArticle(e){this._cleanStyles(e),this._markDataTables(e),this._fixLazyImages(e),this._cleanConditionally(e,"form"),this._cleanConditionally(e,"fieldset"),this._clean(e,"object"),this._clean(e,"embed"),this._clean(e,"footer"),this._clean(e,"link"),this._clean(e,"aside");var t=this.DEFAULT_CHAR_THRESHOLD;this._forEachNode(e.children,function(e){this._cleanMatchedNodes(e,function(e,i){return this.REGEXPS.shareElements.test(i)&&e.textContent.length<t})}),this._clean(e,"iframe"),this._clean(e,"input"),this._clean(e,"textarea"),this._clean(e,"select"),this._clean(e,"button"),this._cleanHeaders(e),this._cleanConditionally(e,"table"),this._cleanConditionally(e,"ul"),this._cleanConditionally(e,"div"),this._replaceNodeTags(this._getAllNodesWithTag(e,["h1"]),"h2"),this._removeNodes(this._getAllNodesWithTag(e,["p"]),function(e){return 0===this._getAllNodesWithTag(e,["img","embed","object","iframe"]).length&&!this._getInnerText(e,!1)}),this._forEachNode(this._getAllNodesWithTag(e,["br"]),function(e){var t=this._nextNode(e.nextSibling);t&&"P"==t.tagName&&e.remove()}),this._forEachNode(this._getAllNodesWithTag(e,["table"]),function(e){var t=this._hasSingleTagInsideElement(e,"TBODY")?e.firstElementChild:e;if(this._hasSingleTagInsideElement(t,"TR")){var i=t.firstElementChild;if(this._hasSingleTagInsideElement(i,"TD")){var r=i.firstElementChild;r=this._setNodeTag(r,this._everyNode(r.childNodes,this._isPhrasingContent)?"P":"DIV"),e.parentNode.replaceChild(r,e)}}})},_initializeNode(e){switch(e.readability={contentScore:0},e.tagName){case"DIV":e.readability.contentScore+=5;break;case"PRE":case"TD":case"BLOCKQUOTE":e.readability.contentScore+=3;break;case"ADDRESS":case"OL":case"UL":case"DL":case"DD":case"DT":case"LI":case"FORM":e.readability.contentScore-=3;break;case"H1":case"H2":case"H3":case"H4":case"H5":case"H6":case"TH":e.readability.contentScore-=5}e.readability.contentScore+=this._getClassWeight(e)},_removeAndGetNext(e){var t=this._getNextNode(e,!0);return e.remove(),t},_getNextNode(e,t){if(!t&&e.firstElementChild)return e.firstElementChild;if(e.nextElementSibling)return e.nextElementSibling;do{e=e.parentNode}while(e&&!e.nextElementSibling);return e&&e.nextElementSibling},_textSimilarity(e,t){var i=e.toLowerCase().split(this.REGEXPS.tokenize).filter(Boolean),r=t.toLowerCase().split(this.REGEXPS.tokenize).filter(Boolean);return i.length&&r.length?1-r.filter(e=>!i.includes(e)).join(" ").length/r.join(" ").length:0},_isValidByline(e,t){var i=e.getAttribute("rel"),r=e.getAttribute("itemprop"),n=e.textContent.trim().length;return("author"===i||r&&r.includes("author")||this.REGEXPS.byline.test(t))&&!!n&&n<100},_getNodeAncestors(e,t){t=t||0;for(var i=0,r=[];e.parentNode&&(r.push(e.parentNode),!t||++i!==t);)e=e.parentNode;return r},_grabArticle(e){this.log("**** grabArticle ****");var t=this._doc,i=null!==e;if(!(e=e||this._doc.body))return this.log("No body found in document. Abort."),null;for(var r=e.innerHTML;;){this.log("Starting grabArticle loop");var n=this._flagIsActive(this.FLAG_STRIP_UNLIKELYS),a=[],s=this._doc.documentElement;let K=!0;for(;s;){"HTML"===s.tagName&&(this._articleLang=s.getAttribute("lang"));var o=s.className+" "+s.id;if(this._isProbablyVisible(s))if("true"!=s.getAttribute("aria-modal")||"dialog"!=s.getAttribute("role"))if(this._articleByline||this._metadata.byline||!this._isValidByline(s,o))if(K&&this._headerDuplicatesTitle(s))this.log("Removing header: ",s.textContent.trim(),this._articleTitle.trim()),K=!1,s=this._removeAndGetNext(s);else{if(n){if(this.REGEXPS.unlikelyCandidates.test(o)&&!this.REGEXPS.okMaybeItsACandidate.test(o)&&!this._hasAncestorTag(s,"table")&&!this._hasAncestorTag(s,"code")&&"BODY"!==s.tagName&&"A"!==s.tagName){this.log("Removing unlikely candidate - "+o),s=this._removeAndGetNext(s);continue}if(this.UNLIKELY_ROLES.includes(s.getAttribute("role"))){this.log("Removing content with role "+s.getAttribute("role")+" - "+o),s=this._removeAndGetNext(s);continue}}if("DIV"!==s.tagName&&"SECTION"!==s.tagName&&"HEADER"!==s.tagName&&"H1"!==s.tagName&&"H2"!==s.tagName&&"H3"!==s.tagName&&"H4"!==s.tagName&&"H5"!==s.tagName&&"H6"!==s.tagName||!this._isElementWithoutContent(s)){if(this.DEFAULT_TAGS_TO_SCORE.includes(s.tagName)&&a.push(s),"DIV"===s.tagName){for(var l=null,c=s.firstChild;c;){var h=c.nextSibling;if(this._isPhrasingContent(c))null!==l?l.appendChild(c):this._isWhitespace(c)||(l=t.createElement("p"),s.replaceChild(l,c),l.appendChild(c));else if(null!==l){for(;l.lastChild&&this._isWhitespace(l.lastChild);)l.lastChild.remove();l=null}c=h}if(this._hasSingleTagInsideElement(s,"P")&&this._getLinkDensity(s)<.25){var d=s.children[0];s.parentNode.replaceChild(d,s),s=d,a.push(s)}else this._hasChildBlockElement(s)||(s=this._setNodeTag(s,"P"),a.push(s))}s=this._getNextNode(s)}else s=this._removeAndGetNext(s)}else{for(var u=this._getNextNode(s,!0),g=this._getNextNode(s),p=null;g&&g!=u;){var m=g.getAttribute("itemprop");if(m&&m.includes("name")){p=g;break}g=this._getNextNode(g)}this._articleByline=(p??s).textContent.trim(),s=this._removeAndGetNext(s)}else s=this._removeAndGetNext(s);else this.log("Removing hidden node - "+o),s=this._removeAndGetNext(s)}var f=[];this._forEachNode(a,function(e){if(e.parentNode&&void 0!==e.parentNode.tagName){var t=this._getInnerText(e);if(!(t.length<25)){var i=this._getNodeAncestors(e,5);if(0!==i.length){var r=0;r+=1,r+=t.split(this.REGEXPS.commas).length,r+=Math.min(Math.floor(t.length/100),3),this._forEachNode(i,function(e,t){if(e.tagName&&e.parentNode&&void 0!==e.parentNode.tagName){if(void 0===e.readability&&(this._initializeNode(e),f.push(e)),0===t)var i=1;else i=1===t?2:3*t;e.readability.contentScore+=r/i}})}}}});for(var _=[],b=0,N=f.length;b<N;b+=1){var y=f[b],E=y.readability.contentScore*(1-this._getLinkDensity(y));y.readability.contentScore=E,this.log("Candidate:",y,"with score "+E);for(var v=0;v<this._nbTopCandidates;v++){var T=_[v];if(!T||E>T.readability.contentScore){_.splice(v,0,y),_.length>this._nbTopCandidates&&_.pop();break}}}var A,S=_[0]||null,C=!1;if(null===S||"BODY"===S.tagName){for(S=t.createElement("DIV"),C=!0;e.firstChild;)this.log("Moving child out:",e.firstChild),S.appendChild(e.firstChild);e.appendChild(S),this._initializeNode(S)}else if(S){for(var L=[],x=1;x<_.length;x++)_[x].readability.contentScore/S.readability.contentScore>=.75&&L.push(this._getNodeAncestors(_[x]));if(L.length>=3)for(A=S.parentNode;"BODY"!==A.tagName;){for(var D=0,R=0;R<L.length&&D<3;R++)D+=Number(L[R].includes(A));if(D>=3){S=A;break}A=A.parentNode}S.readability||this._initializeNode(S),A=S.parentNode;for(var w=S.readability.contentScore,O=w/3;"BODY"!==A.tagName;)if(A.readability){var I=A.readability.contentScore;if(I<O)break;if(I>w){S=A;break}w=A.readability.contentScore,A=A.parentNode}else A=A.parentNode;for(A=S.parentNode;"BODY"!=A.tagName&&1==A.children.length;)A=(S=A).parentNode;S.readability||this._initializeNode(S)}var P=t.createElement("DIV");i&&(P.id="readability-content");for(var k=Math.max(10,.2*S.readability.contentScore),B=(A=S.parentNode).children,M=0,$=B.length;M<$;M++){var H=B[M],U=!1;if(this.log("Looking at sibling node:",H,H.readability?"with score "+H.readability.contentScore:""),this.log("Sibling has score",H.readability?H.readability.contentScore:"Unknown"),H===S)U=!0;else{var G=0;if(H.className===S.className&&""!==S.className&&(G+=.2*S.readability.contentScore),H.readability&&H.readability.contentScore+G>=k)U=!0;else if("P"===H.nodeName){var j=this._getLinkDensity(H),F=this._getInnerText(H),W=F.length;(W>80&&j<.25||W<80&&W>0&&0===j&&-1!==F.search(/\.( |$)/))&&(U=!0)}}U&&(this.log("Appending node:",H),this.ALTER_TO_DIV_EXCEPTIONS.includes(H.nodeName)||(this.log("Altering sibling:",H,"to 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