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={804:e=>{var t={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};function i(e){return(!e.style||"none"!=e.style.display)&&!e.hasAttribute("hidden")&&(!e.hasAttribute("aria-hidden")||"true"!=e.getAttribute("aria-hidden")||e.className&&e.className.indexOf&&-1!==e.className.indexOf("fallback-image"))}e.exports=function(e,n={}){"function"==typeof n&&(n={visibilityChecker:n});var r={minScore:20,minContentLength:140,visibilityChecker:i};n=Object.assign(r,n);var 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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._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._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(" 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Set(["BLOCKQUOTE","DL","DIV","IMG","OL","P","PRE","TABLE","UL"]),ALTER_TO_DIV_EXCEPTIONS:["DIV","ARTICLE","SECTION","P"],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:function(e){this._fixRelativeUris(e),this._simplifyNestedElements(e),this._keepClasses||this._cleanClasses(e)},_removeNodes:function(e,t){if(this._docJSDOMParser&&e._isLiveNodeList)throw new Error("Do not pass live node lists to _removeNodes");for(var 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t=this._classesToPreserve,i=(e.getAttribute("class")||"").split(/\s+/).filter((function(e){return-1!=t.indexOf(e)})).join(" ");for(i?e.setAttribute("class",i):e.removeAttribute("class"),e=e.firstElementChild;e;e=e.nextElementSibling)this._cleanClasses(e)},_fixRelativeUris:function(e){var t=this._doc.baseURI,i=this._doc.documentURI;function n(e){if(t==i&&"#"==e.charAt(0))return e;try{return new URL(e,t).href}catch(e){}return e}var r=this._getAllNodesWithTag(e,["a"]);this._forEachNode(r,(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 r=this._doc.createElement("span");e.firstChild;)r.appendChild(e.firstChild);e.parentNode.replaceChild(r,e)}else e.setAttribute("href",n(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"),r=e.getAttribute("srcset");if(t&&e.setAttribute("src",n(t)),i&&e.setAttribute("poster",n(i)),r){var a=r.replace(this.REGEXPS.srcsetUrl,(function(e,t,i,r){return n(t)+(i||"")+r}));e.setAttribute("srcset",a)}}))},_simplifyNestedElements:function(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],n=0;n<t.attributes.length;n++)i.setAttribute(t.attributes[n].name,t.attributes[n].value);t.parentNode.replaceChild(i,t),t=i;continue}}t=this._getNextNode(t)}},_getArticleTitle:function(){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 n=!1;function r(e){return e.split(/\s+/).length}if(/ [\|\-\\\/>»] 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t=e;t&&t.nodeType!=this.ELEMENT_NODE&&this.REGEXPS.whitespace.test(t.textContent);)t=t.nextSibling;return t},_replaceBrs:function(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 n=t.nextSibling;t.parentNode.removeChild(t),t=n}if(i){var r=this._doc.createElement("p");for(e.parentNode.replaceChild(r,e),t=r.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;r.appendChild(t),t=s}for(;r.lastChild&&this._isWhitespace(r.lastChild);)r.removeChild(r.lastChild);"P"===r.parentNode.tagName&&this._setNodeTag(r.parentNode,"DIV")}}))},_setNodeTag:function(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 n=0;n<e.attributes.length;n++)try{i.setAttribute(e.attributes[n].name,e.attributes[n].value)}catch(e){}return i},_prepArticle:function(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===e.getElementsByTagName("img").length+e.getElementsByTagName("embed").length+e.getElementsByTagName("object").length+e.getElementsByTagName("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.parentNode.removeChild(e)})),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 n=i.firstElementChild;n=this._setNodeTag(n,this._everyNode(n.childNodes,this._isPhrasingContent)?"P":"DIV"),e.parentNode.replaceChild(n,e)}}}))},_initializeNode:function(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:function(e){var t=this._getNextNode(e,!0);return e.parentNode.removeChild(e),t},_getNextNode:function(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:function(e,t){var i=e.toLowerCase().split(this.REGEXPS.tokenize).filter(Boolean),n=t.toLowerCase().split(this.REGEXPS.tokenize).filter(Boolean);return i.length&&n.length?1-n.filter((e=>!i.includes(e))).join(" ").length/n.join(" ").length:0},_checkByline:function(e,t){if(this._articleByline)return!1;if(void 0!==e.getAttribute)var i=e.getAttribute("rel"),n=e.getAttribute("itemprop");return!(!("author"===i||n&&-1!==n.indexOf("author")||this.REGEXPS.byline.test(t))||!this._isValidByline(e.textContent))&&(this._articleByline=e.textContent.trim(),!0)},_getNodeAncestors:function(e,t){t=t||0;for(var i=0,n=[];e.parentNode&&(n.push(e.parentNode),!t||++i!==t);)e=e.parentNode;return n},_grabArticle:function(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 n=e.innerHTML;;){this.log("Starting grabArticle loop");var r=this._flagIsActive(this.FLAG_STRIP_UNLIKELYS),a=[],s=this._doc.documentElement;let V=!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._checkByline(s,o))s=this._removeAndGetNext(s);else if(V&&this._headerDuplicatesTitle(s))this.log("Removing header: ",s.textContent.trim(),this._articleTitle.trim()),V=!1,s=this._removeAndGetNext(s);else{if(r){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")+" - 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