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ivershuo/safari_reader.js

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  1. ivershuo renamed this gist Dec 12, 2015. 1 changed file with 0 additions and 0 deletions.
    0 gistfile1.txt → safari_reader.js
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  2. ivershuo created this gist Dec 12, 2015.
    2,018 changes: 2,018 additions & 0 deletions gistfile1.txt
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,2018 @@
    /*
    * Copyright (c) 2010 Apple Inc. All rights reserved.
    */
    function characterNeedsScoreMultiplier(e) {
    if (!e || e.length === 0)
    return !1;
    var t = e.charCodeAt(0);
    return t > 11904 && t < 12031?!0 : t > 12352 && t < 12543?!0 : t > 12736 && t < 19903?!0 : t > 19968 && t < 40959?!0 : t > 44032 && t < 55215?!0 : t > 63744 && t < 64255?!0 : t > 65072 && t < 65103?!0 : t > 131072 && t < 173791?!0 : t > 194560 && t < 195103?!0 : !1
    }
    function domDistance(e, t, n) {
    var r = [], i = e;
    while (i)
    r.unshift(i), i = i.parentNode;
    var s = [];
    i = t;
    while (i)
    s.unshift(i), i = i.parentNode;
    var o = Math.min(r.length, s.length), u = Math.abs(r.length - s.length);
    for (var a = o; a >= 0; --a) {
    if (r[a] === s[a])
    break;
    u += 2;
    if (n && u >= n)
    return n
    }
    return u
    }
    function fontSizeFromComputedStyle(e, t) {
    var n = parseInt(e.fontSize);
    return isNaN(n) && (n = t ? t : BaseFontSize), n
    }
    function contentTextStyleForNode(e, t) {
    function n(e) {
    if (isNodeWhitespace(e))
    return null;
    var t = getComputedStyle(e.parentNode);
    return t.float !== "none" ? null : t
    }
    var r = "descendant::text()[not(parent::h1) and not(parent::h2) and not(parent::h3) and not(parent::h4) and not(parent::h5) and not(parent::h6)]", i = e.evaluate(r, t, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null), s = i.snapshotLength;
    for (var o = 0; o < s; ++o) {
    var u = i.snapshotItem(o), a=!1;
    for (var f = u.parentElement; f !== t; f = f.parentElement)
    if (NegativeRegEx.test(f.className)) {
    a=!0;
    break
    }
    if (a)
    continue;
    var l = n(u);
    if (l)
    return l
    }
    return null
    }
    function isNodeWhitespace(e) {
    return !e || e.nodeType !== Node.TEXT_NODE?!1 : !/\S/.test(e.data)
    }
    function removeWhitespace(e) {
    return e.replace(/\s+/g, "")
    }
    function isElementNode(e) {
    return e && e.nodeType === Node.ELEMENT_NODE?!0 : !1
    }
    function computedStyleIndicatesElementIsInvisibleDueToClipping(e) {
    if (e.position !== "absolute")
    return !1;
    var t = e.clip.match(/^rect\((\d+px|auto), (\d+px|auto), (\d+px|auto), (\d+px|auto)\)$/);
    if (!t || t.length !== 5)
    return !1;
    var n = t.map(function(e) {
    return parseInt(e)
    }), r = n[1];
    isNaN(r) && (r = 0);
    var i = n[2], s = n[3], o = n[4];
    return isNaN(o) && (o = 0), r >= s || i >= o
    }
    function isElementVisible(e) {
    var t = getComputedStyle(e);
    if (t.visibility !== "visible" || t.display === "none")
    return !1;
    if (cachedElementBoundingRect(e).height)
    return !0;
    var n = document.createRange();
    return n.selectNode(e), !!n.getBoundingClientRect().height
    }
    function isElementPositionedOffScreen(e) {
    var t = cachedElementBoundingRect(e);
    return !t.height ||!t.width?!1 : t.bottom <= 0 || t.right <= 0?!0 : !1
    }
    function elementDepth(e) {
    var t = 0;
    for (; e; e = e.parentElement)
    t++;
    return t
    }
    function depthOfElementWithinElement(e, t) {
    var n = 0;
    for (; e !== t; e = e.parentElement)
    n++;
    return n
    }
    function nearestAncestorElementWithTagName(e, t) {
    while (e = e.parentElement)
    if (e.tagName === t)
    return e;
    return null
    }
    function cachedElementBoundingRect(e) {
    if (e._cachedElementBoundingRect)
    return e._cachedElementBoundingRect;
    var t = e.getBoundingClientRect();
    return ReaderArticleFinderJS._elementsWithCachedBoundingRects.push(e), !ReaderArticleFinderJS._cachedScrollX&&!ReaderArticleFinderJS._cachedScrollY ? (e._cachedElementBoundingRect = t, e._cachedElementBoundingRect) : (e._cachedElementBoundingRect = {
    top: t.top + ReaderArticleFinderJS._cachedScrollY,
    right: t.right + ReaderArticleFinderJS._cachedScrollX,
    bottom: t.bottom + ReaderArticleFinderJS._cachedScrollY,
    left: t.left + ReaderArticleFinderJS._cachedScrollX,
    width: t.width,
    height: t.height
    }, e._cachedElementBoundingRect)
    }
    function clearCachedElementBoundingRects() {
    var e = ReaderArticleFinderJS._elementsWithCachedBoundingRects, t = e.length;
    for (var n = 0; n < t; ++n)
    e[n]._cachedElementBoundingRect = null;
    ReaderArticleFinderJS._elementsWithCachedBoundingRects = []
    }
    function innerTextOrTextContent(e) {
    var t = e.innerText;
    return /\S/.test(t) || (t = e.textContent), t
    }
    function levenshteinDistance(e, t) {
    var n = e.length, r = t.length, i = new Array(n + 1);
    for (var s = 0; s < n + 1; ++s)
    i[s] = new Array(r + 1), i[s][0] = s;
    for (var o = 0; o < r + 1; ++o)
    i[0][o] = o;
    for (var o = 1; o < r + 1; ++o)
    for (var s = 1; s < n + 1; ++s)
    if (e[s - 1] === t[o - 1])
    i[s][o] = i[s - 1][o - 1];
    else {
    var u = i[s - 1][o] + 1, a = i[s][o - 1] + 1, f = i[s - 1][o - 1] + 1;
    i[s][o] = Math.min(u, a, f)
    }
    return i[n][r]
    }
    function stringSimilarity(e, t) {
    var n = Math.max(e.length, t.length);
    return n ? (n - levenshteinDistance(e, t)) / n : 0
    }
    function stringsAreNearlyIdentical(e, t) {
    return e === t?!0 : stringSimilarity(e, t) > StringSimilarityToDeclareStringsNearlyIdentical
    }
    function elementIsCommentBlock(e) {
    if (/(^|\s)comment/.test(e.className))
    return !0;
    var t = e.getAttribute("id");
    return t && t.indexOf("comment") === 0?!0 : !1
    }
    function elementLooksLikeEmbeddedTweet(e) {
    const t = /http.+twitter.com.*status.*[0-9]+/i;
    if (e.tagName !== "IFRAME")
    return !1;
    if (!e.contentDocument)
    return !1;
    var n = e.contentDocument.documentElement, r = 0, i = n.querySelector("blockquote");
    return i && t.test(i.getAttribute("cite"))&&++r, e.classList.contains("twitter-tweet")&&++r, n.querySelector("[data-iframe-title='Embedded Tweet']")&&++r, n.querySelector("[data-tweet-id]")&&++r, r > 2
    }
    function elementLooksLikePartOfACarousel(e) {
    const t = /carousel-|carousel_|-carousel|_carousel/, n = 3;
    var r = e;
    for (var i = 0; i < n; ++i) {
    if (!r)
    return !1;
    if (t.test(r.className) || t.test(r.getAttribute("data-analytics")))
    return !0;
    r = r.parentElement
    }
    }
    function shouldPruneIframe(e, t) {
    return HostnamesKnownToContainEmbeddableMediaRegex.test(anchorForURL(e.src, t).hostname)?!1 : elementLooksLikeEmbeddedTweet(e.originalElement)?!1 : !0
    }
    function languageScoreMultiplierForTextNodes(e) {
    if (!e ||!e.length)
    return 1;
    var t = Math.min(e.length, DefaultNumberOfTextNodesToCheckForLanguageMultiplier), n = 0, r = 0;
    for (var i = 0; i < t; i++) {
    var s = e[i].nodeValue.trim(), o = Math.min(s.length, NumberOfCharactersPerTextNodeToEvaluateForLanguageMultiplier);
    for (var u = 0; u < o; u++)
    characterNeedsScoreMultiplier(s[u]) && n++;
    r += o
    }
    return n >= r * MinimumRatioOfCharactersForLanguageMultiplier ? ScoreMultiplierForChineseJapaneseKorean : 1
    }
    function scoreMultiplierForElementTagNameAndAttributes(e) {
    var t = 1;
    for (var n = e; n; n = n.parentElement) {
    var r = n.getAttribute("id");
    r && (ArticleRegEx.test(r) && (t += ArticleMatchBonus), CommentRegEx.test(r) && (t -= CommentMatchPenalty));
    var i = n.className;
    i && (ArticleRegEx.test(i) && (t += ArticleMatchBonus), CommentRegEx.test(i) && (t -= CommentMatchPenalty)), n.tagName === "ARTICLE" && (t += ArticleMatchBonus)
    }
    return t < 0 ? 0 : t
    }
    function elementAtPoint(e, t) {
    if (typeof ReaderArticleFinderJSController != "undefined" && ReaderArticleFinderJSController.nodeAtPoint) {
    var n = ReaderArticleFinderJSController.nodeAtPoint(e, t);
    return n && n.nodeType !== Node.ELEMENT_NODE && (n = n.parentElement), n
    }
    return document.elementFromPoint(e, t)
    }
    function userVisibleURLString(e) {
    return typeof ReaderArticleFinderJSController != "undefined" && ReaderArticleFinderJSController.userVisibleURLString ? ReaderArticleFinderJSController.userVisibleURLString(e) : e
    }
    function anchorForURL(e, t) {
    var n = t.createElement("a");
    return n.href = e, n
    }
    function anchorLinksToAttachment(e) {
    return /\battachment\b/i.test(e.getAttribute("rel"))
    }
    function anchorLinksToTagOrCategoryPage(e) {
    return /\bcategory|tag\b/i.test(e.getAttribute("rel"))
    }
    function elementsHaveSameTagAndClassNames(e, t) {
    return e.tagName === t.tagName && e.className === t.className
    }
    function selectorForElement(e) {
    var t = e.tagName, n = e.classList, r = n.length;
    for (var i = 0; i < r; i++)
    t += "." + n[i];
    return t
    }
    function elementFingerprintForDepth(e, t) {
    function s(e, t) {
    if (!e)
    return "";
    var o = [];
    o.push(selectorForElement(e));
    var u = e.children, a = u.length;
    if (a && t > 0) {
    o.push(n);
    for (var f = 0; f < a; ++f)
    o.push(s(u[f], t - 1)), f !== a - 1 && o.push(i);
    o.push(r)
    }
    return o.join("")
    }
    const n = " / ", r = " \\", i = " | ";
    return s(e, t)
    }
    function childrenOfParentElement(e) {
    var t = e.parentElement;
    return t ? t.children : []
    }
    function arrayOfKeysAndValuesOfObjectSortedByValueDescending(e) {
    var t = [];
    for (var n in e)
    e.hasOwnProperty(n) && t.push({
    key: n,
    value: e[n]
    });
    return t.sort(function(e, t) {
    return t.value - e.value
    }), t
    }
    function walkElementSubtree(e, t, n) {
    if (t < 0)
    return;
    var r = e.children, i = r.length, s = t - 1;
    for (var o = 0; o < i; ++o)
    walkElementSubtree(r[o], s, n);
    n(e, t)
    }
    function childrenWithParallelStructure(e) {
    var t = e.children;
    if (!t)
    return [];
    var n = t.length;
    if (!n)
    return [];
    var r = {};
    for (var i = 0; i < n; ++i) {
    var s = t[i];
    if (CandidateTagNamesToIgnore[s.tagName] ||!s.className)
    continue;
    var o = s.classList, u = o.length;
    for (var a = 0; a < u; ++a) {
    var f = o[a], l = r[f];
    l ? l.push(s) : r[f] = [s]
    }
    }
    var c = Math.floor(n / 2);
    for (var f in r) {
    var l = r[f];
    if (l.length > c)
    return l
    }
    return []
    }
    const ReaderMinimumScore = 1600, ReaderMinimumAdvantage = 15, ArticleMinimumScoreDensity = 4.25, BlacklistedHostsAllowedPathRegexMap = {
    "www.apple.com": /^\/([a-z]{2,4}\/){0,2}pr\/|^\/hotnews\//,
    "extensions.apple.com": null
    }, ListOfHostnameAndTrustedArticleNodeSelectorPairs = [[/.*\.apple.com$/, "article"]], CandidateMinimumWidth = 280, CandidateMinimumHeight = 295, CandidateMinimumArea = 17e4, CandidateMaximumTop = 1300, CandidateMinimumWidthPortionForIndicatorElements = .5, CandidateMinumumListItemLineCount = 4, CandidateTagNamesToIgnore = {
    A: 1,
    EMBED: 1,
    FORM: 1,
    HTML: 1,
    IFRAME: 1,
    OBJECT: 1,
    OL: 1,
    OPTION: 1,
    SCRIPT: 1,
    STYLE: 1,
    svg: 1,
    UL: 1
    }, PrependedArticleCandidateMinimumHeight = 50, AppendedArticleCandidateMinimumHeight = 200, AppendedArticleCandidateMaximumVerticalDistanceFromArticle = 150, StylisticClassNames = {
    justfy: 1,
    justify: 1,
    left: 1,
    right: 1,
    small: 1
    }, CommentRegEx = /comment|meta|footer|footnote/, CommentMatchPenalty = .75, ArticleRegEx = /(?:(?:^|\s)(?:(post|hentry|entry)[-_]?(?:content|text|body)?|article[-_]?(?:content|text|body|page)?)(?:\s|$))/i, ArticleMatchBonus = .5, DensityExcludedElementSelector = "#disqus_thread, #comments, .userComments", AttributesToRemoveRegEx = /^on|^id$|^class$|^style$/, PositiveRegEx = /article|body|content|entry|hentry|page|pagination|post|text/i, NegativeRegEx = /advertisement|breadcrumb|combx|comment|contact|disqus|footer|link|meta|mod-conversations|promo|related|scroll|share|shoutbox|sidebar|social|sponsor|subscribe|tags|toolbox|widget|_ad$/i, VeryPositiveClassNameRegEx = /instapaper_body/, VeryNegativeClassNameRegEx = /instapaper_ignore/, SharingRegex = /email|print|rss|digg|slashdot|delicious|reddit|share/i, HostnamesKnownToContainEmbeddableMediaRegex = /youtube|vimeo|dailymotion/, MinimumAverageDistanceBetweenHRElements = 400, MinimumAverageDistanceBetweenHeaderElements = 400, PortionOfCandidateHeightToIgnoreForHeaderCheck = .1, DefaultNumberOfTextNodesToCheckForLanguageMultiplier = 3, NumberOfCharactersPerTextNodeToEvaluateForLanguageMultiplier = 12, MinimumRatioOfCharactersForLanguageMultiplier = .5, ScoreMultiplierForChineseJapaneseKorean = 3, MinimumContentMediaHeight = 150, MinimumContentMediaWidthToArticleWidthRatio = .25, MaximumContentMediaAreaToArticleAreaRatio = .2, LinkContinueMatchRegEx = /continue/gi, LinkNextMatchRegEx = /next/gi, LinkPageMatchRegEx = /page/gi, LinkListItemBonus = 5, LinkPageMatchBonus = 10, LinkNextMatchBonus = 15, LinkContinueMatchBonus = 15, LinkNextOrdinalValueBase = 3, LinkMismatchValueBase = 2, LinkMatchWeight = 200, LinkMaxVerticalDistanceFromArticle = 200, LinkVerticalDistanceFromArticleWeight = 150, LinkCandidateXPathQuery = "descendant-or-self::*[(not(@id) or (@id!='disqus_thread' and @id!='comments')) and (not(@class) or @class!='userComments')]/a", LinkDateRegex = /\D(?:\d\d(?:\d\d)?[\-\/](?:10|11|12|0?[1-9])[\-\/](?:30|31|[12][0-9]|0?[1-9])|\d\d(?:\d\d)?\/(?:10|11|12|0[1-9])|(?:10|11|12|0?[1-9])\-(?:30|31|[12][0-9]|0?[1-9])\-\d\d(?:\d\d)?|(?:30|31|[12][0-9]|0?[1-9])\-(?:10|11|12|0?[1-9])\-\d\d(?:\d\d)?)\D/, LinkURLSearchParameterKeyMatchRegex = /(page|^p$|^pg$)/i, LinkURLPageSlashNumberMatchRegex = /\/.*page.*\/\d+/i, LinkURLSlashDigitEndMatchRegex = /\/\d+\/?$/, LinkURLArchiveSlashDigitEndMatchRegex = /archives?\/\d+\/?$/, LinkURLBadSearchParameterKeyMatchRegex = /author|comment|feed|id|nonce|related/i, LinkURLSemanticMatchBonus = 100, LinkMinimumURLSimilarityRatio = .75, HeaderMinimumDistanceFromArticleTop = 200, HeaderLevenshteinDistanceToLengthRatio = .75, MinimumRatioOfListItemsBeingRelatedToSharingToPruneEntireList = .5, FloatMinimumHeight = 130, ImageSizeTiny = 32, ToleranceForLeadingImageWidthToArticleWidthForFullWidthPresentation = 50, MaximumFloatWidth = 325, AnchorImageMinimumWidth = 100, AnchorImageMinimumHeight = 100, MinimumHeightForImagesAboveTheArticleTitle = 50, MainImageMinimumWidthAndHeight = 83, BaseFontSize = 16, BaseLineHeightRatio = 1.125, MaximumExactIntegralValue = 9007199254740992, TitleCandidateDepthScoreMultiplier = .1, DocumentPositionDisconnected = 1, DocumentPositionPreceding = 2, DocumentPositionFollowing = 4, DocumentPositionContains = 8, DocumentPositionContainedBy = 16, TextNodeLengthPower = 1.25, KnownImageLazyLoadingAttributes = {
    "data-lazy-src": 1,
    "data-original": 1,
    "data-src": 1,
    "original-src": 1,
    "rel:bf_image_src": 1
    }, StringSimilarityToDeclareStringsNearlyIdentical = .97;
    CandidateElement = function(e, t) {
    this.element = e, this.contentDocument = t, this.textNodes = this.usableTextNodesInElement(this.element), this.rawScore = this.calculateRawScore(), this.tagNameAndAttributesScoreMultiplier = this.calculateElementTagNameAndAttributesScoreMultiplier(), this.languageScoreMultiplier = 0, this.depthInDocument = 0
    }, CandidateElement.extraArticleCandidateIfElementIsViable = function(t, n, r, i) {
    const s = "a, b, strong, i, em, u, span";
    var o = cachedElementBoundingRect(t), u = cachedElementBoundingRect(n.element);
    if (i && o.height < PrependedArticleCandidateMinimumHeight ||!i && o.height < AppendedArticleCandidateMinimumHeight)
    if (t.childElementCount && t.querySelectorAll("*").length !== t.querySelectorAll(s).length)
    return null;
    if (i) {
    if (o.bottom > u.top)
    return null
    } else if (o.top < u.bottom)
    return null;
    if (!i) {
    var a = o.top - u.bottom;
    if (a > AppendedArticleCandidateMaximumVerticalDistanceFromArticle)
    return null
    }
    if (o.left > u.right || o.right < u.left)
    return null;
    if (elementLooksLikePartOfACarousel(t))
    return null;
    var f = new CandidateElement(t, r);
    return f.isPrepended = i, f
    }, CandidateElement.candidateIfElementIsViable = function(t, n, r) {
    var i = cachedElementBoundingRect(t);
    return i.width < CandidateMinimumWidth || i.height < CandidateMinimumHeight ? null : i.width * i.height < CandidateMinimumArea ? null : !r && i.top > CandidateMaximumTop ? null : CandidateElement.candidateElementAdjustedHeight(t) < CandidateMinimumHeight ? null : new CandidateElement(t, n)
    }, CandidateElement.candidateElementAdjustedHeight = function(t) {
    var n = cachedElementBoundingRect(t), r = n.height, i = t.getElementsByTagName("form"), s = i.length;
    for (var o = 0; o < s; ++o) {
    var u = i[o], a = cachedElementBoundingRect(u);
    a.width > n.width * CandidateMinimumWidthPortionForIndicatorElements && (r -= a.height)
    }
    var f = t.querySelectorAll("ol, ul"), l = f.length, c = null;
    for (var o = 0; o < l; ++o) {
    var h = f[o];
    if (c && c.compareDocumentPosition(h) & DocumentPositionContainedBy)
    continue;
    var p = h.getElementsByTagName("li"), d = p.length, v = cachedElementBoundingRect(h);
    if (!d) {
    r -= v.height;
    continue
    }
    var m = v.height / d, g = getComputedStyle(p[0]), y = parseInt(g.lineHeight);
    if (isNaN(y)) {
    var b = fontSizeFromComputedStyle(g);
    y = b * BaseLineHeightRatio
    }
    v.width > n.width * CandidateMinimumWidthPortionForIndicatorElements && m / y < CandidateMinumumListItemLineCount && (r -= v.height, c = h)
    }
    return r
    }, CandidateElement.prototype = {
    calculateRawScore: function() {
    var t = 0, n = this.textNodes, r = n.length;
    for (var i = 0; i < r; ++i)
    t += this.rawScoreForTextNode(n[i]);
    return t
    },
    calculateElementTagNameAndAttributesScoreMultiplier: function() {
    return scoreMultiplierForElementTagNameAndAttributes(this.element)
    },
    calculateLanguageScoreMultiplier: function() {
    if (this.languageScoreMultiplier !== 0)
    return;
    this.languageScoreMultiplier = languageScoreMultiplierForTextNodes(this.textNodes)
    },
    depth: function() {
    return this.depthInDocument || (this.depthInDocument = elementDepth(this.element)), this.depthInDocument
    },
    finalScore: function() {
    return this.calculateLanguageScoreMultiplier(), this.basicScore() * this.languageScoreMultiplier
    },
    basicScore: function() {
    return this.rawScore * this.tagNameAndAttributesScoreMultiplier
    },
    scoreDensity: function() {
    var t = 0, n = this.element.querySelector(DensityExcludedElementSelector);
    n && (t = n.clientWidth * n.clientHeight);
    var r = this.element.children || [], i = r.length;
    for (var s = 0; s < i; ++s) {
    var o = r[s];
    elementIsCommentBlock(o) && (t += o.clientWidth * o.clientHeight)
    }
    var u = cachedElementBoundingRect(this.element).width * cachedElementBoundingRect(this.element).height, a = u * MaximumContentMediaAreaToArticleAreaRatio, f = cachedElementBoundingRect(this.element).width * MinimumContentMediaWidthToArticleWidthRatio, l = this.element.querySelectorAll("img, object, video"), c = l.length;
    for (var s = 0; s < c; ++s) {
    var h = cachedElementBoundingRect(l[s]);
    if (h.width >= f && h.height > MinimumContentMediaHeight) {
    var p = h.width * h.height;
    p < a && (t += p)
    }
    }
    var d = this.basicScore(), v = u - t, m = this.textNodes.length, g = 0, y = 0;
    for (var s = 0; s < m; ++s) {
    var b = this.textNodes[s].parentNode;
    b && (y += fontSizeFromComputedStyle(getComputedStyle(b)), g++)
    }
    var w = BaseFontSize;
    return g && (w = y/=g), this.calculateLanguageScoreMultiplier(), d / v * 1e3 * (w / BaseFontSize) * this.languageScoreMultiplier
    },
    usableTextNodesInElement: function(t) {
    var n = [];
    if (!t)
    return n;
    const r = {
    A: 1,
    DD: 1,
    DT: 1,
    NOSCRIPT: 1,
    OL: 1,
    OPTION: 1,
    PRE: 1,
    SCRIPT: 1,
    STYLE: 1,
    TD: 1,
    UL: 1,
    IFRAME: 1
    };
    var i = this.contentDocument, s = function(e) {
    const t = "text()|*/text()|*/a/text()|*/li/text()|*/span/text()|*/em/text()|*/i/text()|*/strong/text()|*/b/text()|*/font/text()|blockquote/*/text()|div[count(./p)=count(./*)]/p/text()";
    var s = i.evaluate(t, e, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null), o = s.snapshotLength;
    for (var u = 0; u < o; ++u) {
    var a = s.snapshotItem(u);
    if (r[a.parentNode.tagName] || a._countedTextNode || isNodeWhitespace(a))
    continue;
    a._countedTextNode=!0, n.push(a)
    }
    };
    s(t);
    var o = childrenWithParallelStructure(t), u = o.length;
    for (var a = 0; a < u; ++a) {
    var f = o[a];
    s(f)
    }
    var l = n.length;
    for (var a = 0; a < l; ++a)
    delete n[a]._countedTextNode;
    return n
    },
    addTextNodesFromCandidateElement: function(t) {
    var n = this.textNodes.length;
    for (var r = 0; r < n; ++r)
    this.textNodes[r].alreadyCounted=!0;
    var i = t.textNodes, s = i.length;
    for (var r = 0; r < s; ++r)
    i[r].alreadyCounted || this.textNodes.push(i[r]);
    var n = this.textNodes.length;
    for (var r = 0; r < n; ++r)
    this.textNodes[r].alreadyCounted = null;
    this.rawScore = this.calculateRawScore()
    },
    rawScoreForTextNode: function(t) {
    const n = 20;
    if (!t)
    return 0;
    var r = t.length;
    if (r < n)
    return 0;
    var i = t.parentNode;
    if (!isElementVisible(i))
    return 0;
    var s = 1;
    while (i && i !== this.element)
    s -= .1, i = i.parentNode;
    return Math.pow(r * s, TextNodeLengthPower)
    },
    shouldDisqualifyDueToScoreDensity: function() {
    return this.scoreDensity() < ArticleMinimumScoreDensity?!0 : !1
    },
    shouldDisqualifyDueToHorizontalRuleDensity: function() {
    var t = this.element.getElementsByTagName("hr"), n = t.length, r = 0, i = cachedElementBoundingRect(this.element), s = i.width * .7;
    for (var o = 0; o < n; ++o)
    t[o].clientWidth > s && r++;
    if (r) {
    var u = i.height / r;
    if (u < MinimumAverageDistanceBetweenHRElements)
    return !0
    }
    return !1
    },
    shouldDisqualifyDueToHeaderDensity: function() {
    var t = "(h1|h2|h3|h4|h5|h6|*/h1|*/h2|*/h3|*/h4|*/h5|*/h6)[a[@href]]", n = this.contentDocument.evaluate(t, this.element, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null), r = n.snapshotLength;
    if (r > 2) {
    var i = 0, s = cachedElementBoundingRect(this.element), o = s.height * PortionOfCandidateHeightToIgnoreForHeaderCheck;
    for (var u = 0; u < r; ++u) {
    var a = n.snapshotItem(u), f = cachedElementBoundingRect(a);
    f.top - s.top > o && s.bottom - f.bottom > o && i++
    }
    var l = s.height / i;
    if (l < MinimumAverageDistanceBetweenHeaderElements)
    return !0
    }
    return !1
    },
    shouldDisqualifyDueToSimilarElements: function(t) {
    function i(e) {
    return !!{
    H1: 1,
    H2: 1,
    H3: 1,
    H4: 1,
    H5: 1,
    H6: 1
    }
    [e.tagName]
    }
    function s(e, t) {
    if (!e ||!t)
    return !1;
    const n = 1;
    return e.className ? e.className === t.className : elementFingerprintForDepth(e, n) === elementFingerprintForDepth(t, n)
    }
    const n = /clearfix/i, r = "h1, h2, h3, h4, h5, h6";
    var o = this.element;
    if (o.tagName === "LI" || o.tagName === "DD") {
    var u = o.parentNode, a = u.children.length;
    for (var f = 0; f < a; ++f) {
    var l = u.children[f];
    if (l.tagName === o.tagName && l.className === o.className && l !== o)
    return !0
    }
    }
    var c = o.getAttribute("class");
    c || (o = o.parentElement, o && (c = o.getAttribute("class"), c || (o = o.parentElement, o && (c = o.getAttribute("class")))));
    if (c) {
    t || (t = []);
    var h = t.length;
    for (var f = 0; f < h; ++f)
    t[f].element.candidateElement = t[f];
    var p;
    try {
    var d = c.split(" "), v = "";
    for (var f = 0; f < d.length; ++f) {
    if (n.test(d[f]))
    continue;
    d[f].length && (v += "." + d[f])
    }
    p = this.contentDocument.querySelectorAll(v)
    } catch (m) {
    p = []
    }
    var g=!1, y = elementDepth(o), b = p.length;
    for (var f = 0; f < b; ++f) {
    var l = p[f];
    if (l === o)
    continue;
    if (l.parentElement === o || o.parentElement === l)
    continue;
    if (!isElementVisible(l))
    continue;
    var w = l.candidateElement;
    if (!w) {
    w = new CandidateElement(l, this.contentDocument);
    if (!w)
    continue
    }
    if (w.basicScore() * ReaderMinimumAdvantage > this.basicScore()) {
    if (!g && cachedElementBoundingRect(l).bottom < cachedElementBoundingRect(this.element).top) {
    g=!0;
    continue
    }
    if (s(o.previousElementSibling, l.previousElementSibling) || s(o.nextElementSibling, l.nextElementSibling)) {
    var E = o.querySelector(r), S = l.querySelector(r);
    if (E && S && elementsHaveSameTagAndClassNames(E, S))
    return !0;
    E = o.previousElementSibling, S = l.previousElementSibling;
    if (E && S && i(E) && i(S) && elementsHaveSameTagAndClassNames(E, S))
    return !0
    }
    if (elementDepth(l) === y)
    while (l.parentElement && o.parentElement) {
    if (l.parentElement === o.parentElement)
    break;
    l = l.parentElement, o = o.parentElement
    }
    while (o.childElementCount <= 1) {
    if (!o.childElementCount ||!l.childElementCount)
    return !1;
    if (l.childElementCount > 1)
    return !1;
    if (o.firstElementChild.tagName !== l.firstElementChild.tagName)
    return !1;
    o = o.firstElementChild, l = l.firstElementChild
    }
    if (l.childElementCount <= 1)
    return !1;
    var S = l.firstElementChild, x = l.lastElementChild, E = o.firstElementChild, T = o.lastElementChild;
    if (S.tagName !== E.tagName)
    return !1;
    if (x.tagName !== T.tagName)
    return !1;
    var N = S.className, C = x.className, k = E.className, L = x.className, A = L === k ? 2: 1;
    if (N.length || k.length) {
    if (!N.length ||!k.length)
    return !1;
    if (N === k && o.querySelectorAll("." + k.replace(/\s+/, ".")).length <= A)
    return !0
    }
    if (C.length || L.length) {
    if (!C.length ||!L.length)
    return !1;
    if (C === L && o.querySelectorAll("." + L.replace(/\s+/, ".")).length <= A)
    return !0
    }
    var O = E.clientHeight, M = T.clientHeight;
    return !O ||!S.clientHeight?!1 : !M ||!x.clientHeight?!1 : O === S.clientHeight || M === x.clientHeight?!0 : !1
    }
    }
    for (var f = 0; f < h; ++f)
    t[f].element.candidateElement = null
    }
    return !1
    },
    shouldDisqualifyForDeepLinking: function() {
    function n(e) {
    var t = e.pathname.substring(1).split("/");
    return t[t.length - 1] || t.pop(), t
    }
    const t = 5;
    var r = this.element, i = this.contentDocument.location, s = n(i), o = s.length, u = [], a = r.getElementsByTagName("a"), f = a.length;
    for (var l = 0; l < f; l++) {
    var c = a[l];
    if (i.host !== c.host)
    continue;
    if (n(c).length <= o)
    continue;
    if ((c.host + c.pathname).indexOf(i.host + i.pathname) !== 0)
    continue;
    if (anchorLinksToAttachment(c))
    continue;
    u.push(c);
    if (u.length < t)
    continue;
    var h = r.offsetTop + r.offsetHeight / t;
    return u[0].offsetTop < h
    }
    return !1
    }
    }, String.prototype.lastInteger = function() {
    const t = /[0-9]+/g;
    var n = this.match(t);
    return n ? parseInt(n[n.length - 1]) : NaN
    }, String.prototype.escapeCharacters = function(e) {
    var t=!1, n = e.length;
    for (var r = 0; r < n; ++r)
    if (this.indexOf(e.charAt(r))!==-1) {
    t=!0;
    break
    }
    if (!t)
    return this;
    var i = "", s = this.length;
    for (var r = 0; r < s; ++r)
    e.indexOf(this.charAt(r))!==-1 && (i += "\\"), i += this.charAt(r);
    return i
    }, String.prototype.escapeForRegExp = function() {
    return this.escapeCharacters("^[]{}()\\.$*+?|")
    }, ReaderArticleFinder = function(e) {
    this.contentDocument = e, this.didSearchForArticleNode=!1, this.article = null, this.didSearchForExtraArticleNode=!1, this.extraArticle = null, this.leadingImage = null, this._cachedScrollY = 0, this._cachedScrollX = 0, this._elementsWithCachedBoundingRects = [], this._cachedContentTextStyle = null, this.pageNumber = 1, this.prefixWithDateForNextPageURL = null, this._elementsEvaluatedForTextContent = [], this.previouslyDiscoveredPageURLStrings = []
    }, ReaderArticleFinder.prototype = {
    isReaderModeAvailable: function() {
    return this.canRunReaderDetection() ? this.findArticleBySearchingWhitelist()?!0 : (this.cacheWindowScrollPosition(), this.article = this.findArticleByVisualExamination(), this.article && this.articleIsLTR(), !!this.article) : null
    },
    prepareToTransitionToReader: function() {
    this.adoptableArticle(!0), this.nextPageURL(), this.articleIsLTR()
    },
    nextPageURL: function() {
    if (!this._nextPageURL) {
    var t = this.nextPageURLString();
    typeof ReaderArticleFinderJSController != "undefined" && t && (t = ReaderArticleFinderJSController.substituteURLForNextPageURL(t)), this._nextPageURL = t
    }
    return this._nextPageURL
    },
    containerElementsForMultiPageContent: function() {
    const e = /(.*page.*)(\d{1,2})(.*)/i, t = 3;
    var n = [], r = this.articleNode(), i, s = 0;
    for (; ;) {
    i = e.exec(r.getAttribute("id"));
    if (i)
    break;
    r = r.parentElement;
    if (!r || s++===t)
    return []
    }
    var o = childrenOfParentElement(r), u = o.length;
    for (var a = 0; a < u; ++a) {
    var f = o[a];
    if (f === r)
    continue;
    var l = e.exec(f.getAttribute("id"));
    if (!l || l[1] !== i[1] || l[3] !== i[3])
    continue;
    if (isElementVisible(f)&&!isElementPositionedOffScreen(f))
    continue;
    n.push(f)
    }
    return n
    },
    adoptableMultiPageContentElements: function() {
    return this.containerElementsForMultiPageContent().map(function(e) {
    return this.cleanArticleNode(e, e.cloneNode(!0), !1)
    }, this)
    },
    classNameIsSignificantInRouteComputation: function(t) {
    return t?!(t.toLowerCase()in StylisticClassNames) : !1
    },
    shouldIgnoreInRouteComputation: function(t) {
    return t.tagName === "SCRIPT" || t.tagName === "LINK" || t.tagName === "STYLE"?!0 : t.tagName !== "TR"?!1 : t.offsetHeight?!1 : !0
    },
    routeToArticleNode: function() {
    var t = [], n = this.articleNode();
    while (n) {
    var r = {};
    r.tagName = n.tagName;
    var i = n.getAttribute("id");
    i && (r.id = i), this.classNameIsSignificantInRouteComputation(n.className) && (r.className = n.className), r.index = 1;
    for (var s = n.previousElementSibling; s; s = s.previousElementSibling)
    this.shouldIgnoreInRouteComputation(s) || r.index++;
    t.unshift(r), n = n.parentElement
    }
    return t
    },
    adjustArticleNode: function() {
    if (!this.article)
    return;
    var t;
    for (t = this.article.element; t; t = t.parentElement)
    if (VeryPositiveClassNameRegEx.test(t.className)) {
    this.article.element = t;
    return
    }
    t = this.article.element;
    if (t.tagName === "SECTION" && t.parentElement && t.parentElement.getAttribute("itemprop") === "articleBody") {
    this.article.element = t.parentElement;
    return
    }
    t = this.article.element;
    if (t.getAttribute("id") ||!t.className)
    return;
    var n = t.tagName, r = t.className, i = t.parentElement, s = i.children;
    for (var o = 0, u = s.length; o < u; ++o) {
    var a = s[o];
    if (a === t)
    continue;
    if (a.tagName !== n || a.className !== r)
    continue;
    var f = CandidateElement.candidateIfElementIsViable(a, this.contentDocument, !0);
    if (!f || f.finalScore() < ReaderMinimumScore)
    continue;
    this.article.element = i;
    return
    }
    },
    findArticleBySearchingWhitelist: function() {
    var t = ListOfHostnameAndTrustedArticleNodeSelectorPairs.length;
    for (var n = 0; n < t; ++n) {
    var r = ListOfHostnameAndTrustedArticleNodeSelectorPairs[n], i = r[0];
    if (!i.test(this.contentDocument.location.hostname))
    continue;
    var s = r[1], o = this.contentDocument.querySelectorAll(s);
    if (o.length === 1)
    return new CandidateElement(o[0], this.contentDocument)
    }
    return null
    },
    articleNode: function(t) {
    return this.didSearchForArticleNode || (this.article = this.findArticleBySearchingWhitelist(), this.article || (this.article = this.findArticleBySearchingAllElements()), this.article || (this.article = this.findArticleByVisualExamination()), !this.article && t && (this.article = this.findArticleBySearchingAllElements(!0)), this.adjustArticleNode(), this.didSearchForArticleNode=!0, this.article && this.articleIsLTR()), this.article ? this.article.element : null
    },
    extraArticleNode: function() {
    return this.didSearchForArticleNode || this.articleNode(), this.didSearchForExtraArticleNode || (this.extraArticle = this.findExtraArticle(), this.didSearchForExtraArticleNode=!0), this.extraArticle ? this.extraArticle.element : null
    },
    cacheWindowScrollPosition: function() {
    this._cachedScrollY = window.scrollY, this._cachedScrollX = window.scrollX
    },
    contentTextStyle: function() {
    return this._cachedContentTextStyle ? this._cachedContentTextStyle : (this._cachedContentTextStyle = contentTextStyleForNode(this.contentDocument, this.articleNode()), this._cachedContentTextStyle || (this._cachedContentTextStyle = getComputedStyle(this.articleNode())), this._cachedContentTextStyle)
    },
    commaCountIsLessThan: function(t, n) {
    var r = 0, i = t.textContent, s =- 1;
    while (r < n && (s = i.indexOf(",", s + 1)) >= 0)
    r++;
    return r < n
    },
    calculateLinkDensity: function(t) {
    var n = removeWhitespace(t.textContent).length;
    if (!n)
    return 0;
    var r = t.getElementsByTagName("a"), i = 0, s = r.length;
    for (var o = 0; o < s; ++o)
    i += removeWhitespace(r[o].textContent).length;
    return i / n
    },
    shouldPruneElement: function(t, n) {
    const r = .33, i = .5, s = .2, o = 25, u = 4e4;
    var a = t.tagName;
    if (!t.parentElement)
    return !1;
    if (a === "IFRAME")
    return shouldPruneIframe(t, this.contentDocument);
    if (a !== "OBJECT" && a !== "EMBED" && a !== "CANVAS") {
    var f=!1, l = t.childNodes.length;
    for (var c = 0; c < l; ++c) {
    var h = t.childNodes[c], p = h.nodeType;
    if (p === Node.ELEMENT_NODE || p === Node.TEXT_NODE&&!isNodeWhitespace(h)) {
    f=!0;
    break
    }
    }
    if (!f) {
    if (a === "P") {
    var d = t.previousSibling, v = t.nextSibling;
    if (d && d.nodeType === Node.TEXT_NODE&&!isNodeWhitespace(d) && v && v.nodeType === Node.TEXT_NODE&&!isNodeWhitespace(v))
    return !1
    }
    return !0
    }
    if (a === "P")
    return !1
    }
    if (a === "CANVAS")
    return t.parentNode.tagName === "CUFON";
    var m = 0;
    if (n) {
    if (VeryNegativeClassNameRegEx.test(n.className))
    return !0;
    var g = n.className, y = n.getAttribute("id");
    PositiveRegEx.test(g) && m++, PositiveRegEx.test(y) && m++, NegativeRegEx.test(g) && m--, NegativeRegEx.test(y) && m--
    }
    if (m < 0)
    return !0;
    if (t.querySelector(".tweet-wrapper"))
    return !1;
    if (a === "UL" || a === "OL") {
    if (n.querySelector("iframe") && n.querySelector("script"))
    return !0;
    var b = n.children, w = b.length;
    if (!w)
    return !0;
    var E = 0, S = 0;
    for (var c = 0; c < w; ++c)
    SharingRegex.test(b[c].className) && E++, NegativeRegEx.test(b[c].className) && S++;
    return E / w >= MinimumRatioOfListItemsBeingRelatedToSharingToPruneEntireList?!0 : S / w >= MinimumRatioOfListItemsBeingRelatedToSharingToPruneEntireList?!0 : !1
    }
    if (a === "OBJECT") {
    var x = t.querySelector("embed[src]"), T = x ? anchorForURL(x.src, this.contentDocument): null;
    if (T && HostnamesKnownToContainEmbeddableMediaRegex.test(T.hostname))
    return !1;
    var N = t.getAttribute("data");
    return T = N ? anchorForURL(N, this.contentDocument) : null, T && HostnamesKnownToContainEmbeddableMediaRegex.test(T.hostname)?!1 : !0
    }
    if (t.childElementCount === 1) {
    var C = t.firstElementChild;
    if (C.tagName === "A")
    return !1;
    if (C.tagName === "SPAN" && C.className === "converted-anchor" && nearestAncestorElementWithTagName(C, "TABLE"))
    return !1
    }
    var k = t.getElementsByTagName("img"), L = k.length;
    if (L) {
    var A = 0;
    for (var c = 0; c < L; ++c) {
    var O = k[c].originalElement;
    if (!isElementVisible(O))
    continue;
    var M = cachedElementBoundingRect(O);
    A += M.width / L * (M.height / L)
    }
    if (A > u)
    return !1
    }
    if (!this.commaCountIsLessThan(t, 10))
    return !1;
    var _ = t.getElementsByTagName("p").length, D = t.getElementsByTagName("br").length, P = _ + Math.floor(D / 2);
    if (L > P)
    return !0;
    if (t.getElementsByTagName("li").length > P)
    return !0;
    if (t.getElementsByTagName("input").length / P > r)
    return !0;
    if (t.textContent.length < o && L !== 1)
    return !0;
    if (t.querySelector("embed"))
    return !0;
    var H = this.calculateLinkDensity(t);
    if (m >= 1 && H > i)
    return !0;
    if (m < 1 && H > s)
    return !0;
    if (a === "TABLE") {
    var B = removeWhitespace(t.innerText).length, j = removeWhitespace(n.innerText).length;
    if (B <= j * .5)
    return !0
    }
    return !1
    },
    wordCountIsLessThan: function(t, n) {
    var r = 0, i = t.textContent, s =- 1;
    while ((s = i.indexOf(" ", s + 1)) >= 0 && r < n)
    r++;
    return r < n
    },
    leadingImageIsAppropriateWidth: function(t) {
    return !this.article ||!t?!1 : t.getBoundingClientRect().width >= this.article.element.getBoundingClientRect().width - ToleranceForLeadingImageWidthToArticleWidthForFullWidthPresentation
    },
    newDivFromNode: function(t) {
    var n = this.contentDocument.createElement("div");
    return t && (n.innerHTML = t.innerHTML), n
    },
    adoptableLeadingImage: function() {
    const t = 5, n = /credit/, r = /caption/, i = /src|alt/;
    if (!this.article ||!this.leadingImage ||!this.leadingImageIsAppropriateWidth(this.leadingImage))
    return null;
    var s = this.leadingImage.parentNode, o = null, u = null, a = s.children.length;
    if (s.tagName === "DIV" && a > 1 && a < t) {
    var f = s.cloneNode(!0).querySelectorAll("p, div"), l = f.length;
    for (var c = 0; c < l; ++c) {
    var h = f[c];
    n.test(h.className) ? o = h.cloneNode(!0) : r.test(h.className) && (u = h.cloneNode(!0))
    }
    }
    var p = this.leadingImage.cloneNode(!1), d = p.attributes;
    for (var c = 0; c < d.length; ++c) {
    var v = d[c].nodeName;
    i.test(v) || (p.removeAttribute(v), c--)
    }
    var m = this.contentDocument.createElement("div");
    m.className = "leading-image", m.appendChild(p);
    if (o) {
    var g = this.newDivFromNode(o);
    g.className = "credit", m.appendChild(g)
    }
    if (u) {
    var y = this.newDivFromNode(u);
    y.className = "caption", m.appendChild(y)
    }
    return m
    },
    adoptableArticle: function(t) {
    if (this._adoptableArticle)
    return this._adoptableArticle.cloneNode(!0);
    clearCachedElementBoundingRects(), this.cacheWindowScrollPosition();
    var n = this.articleNode(t);
    this._adoptableArticle = n ? n.cloneNode(!0) : null;
    if (!this._adoptableArticle)
    return this._adoptableArticle;
    this._articleBoundingRect = cachedElementBoundingRect(this.article.element), this._adoptableArticle = this.cleanArticleNode(n, this._adoptableArticle, !1);
    if (this._adoptableArticle.tagName === "P") {
    var r = document.createElement("div");
    r.appendChild(this._adoptableArticle), this._adoptableArticle = r
    }
    var i = this.extraArticleNode();
    if (i) {
    var s = this.cleanArticleNode(i, i.cloneNode(!0), !0);
    s && (this.extraArticle.isPrepended ? this._adoptableArticle.insertBefore(s, this._adoptableArticle.firstChild) : this._adoptableArticle.appendChild(s));
    var o = cachedElementBoundingRect(this.article.element), u = cachedElementBoundingRect(this.extraArticle.element), a = {
    top: Math.min(o.top, u.top),
    right: Math.max(o.right, u.right),
    bottom: Math.max(o.bottom, u.bottom),
    left: Math.min(o.left, u.left)
    };
    a.width = a.right - a.left, a.height = a.bottom - a.top, this._articleBoundingRect = a
    }
    this._articleTextContent = this._adoptableArticle.innerText;
    var f = this.adoptableLeadingImage();
    return f && this._adoptableArticle.insertBefore(f, this._adoptableArticle.firstChild), this._adoptableArticle
    },
    elementPinToEdge: function(t) {
    const n = {
    AREA: 1,
    BR: 1,
    CANVAS: 1,
    EMBED: 1,
    FRAME: 1,
    HR: 1,
    IMG: 1,
    INPUT: 1
    }, r = 120;
    if (window.scrollY < r)
    return null;
    var i = cachedElementBoundingRect(t), s = t.ownerDocument.elementFromPoint((i.left + i.right) / 2, 0);
    s && s.tagName in n && (s = s.parentElement);
    var o = s;
    while (o && o !== t)
    o = o.parentNode;
    return o ? s : null
    },
    dominantContentSelectorAndDepth: function(e) {
    const t = 2;
    var n = {}, r = {};
    walkElementSubtree
    (e, t, function(e, t) {
    if (!isElementVisible(e))
    return;
    var i = selectorForElement(e) + " | " + t;
    r[i] ? r[i] += 1 : (r[i] = 1, n[i] = e)
    });
    var i, s = arrayOfKeysAndValuesOfObjectSortedByValueDescending(r);
    switch (s.length) {
    case 0:
    break;
    case 1:
    i = s[0].key;
    break;
    default:
    var o = s[0];
    o.value > s[1].value && (i = o.key)
    }
    if (!i)
    return null;
    var u = n[i];
    return {
    selector: selectorForElement(u),
    depth: depthOfElementWithinElement(u, e)
    }
    },
    functionToPreventPruningElementDueToInvisibility: function() {
    const e = [[/nytimes.com/, function(e, t) {
    var n = e;
    if (!t)
    return !1;
    while (n && n !== t) {
    if (n.classList.contains("hidden"))
    return !0;
    n = n.parentElement
    }
    return !1
    }
    ]];
    var t = e.length;
    for (var n = 0; n < t; ++n) {
    var r = e[n], i = r[0];
    if (i.test(this.contentDocument.location.hostname))
    return r[1]
    }
    return function() {
    return !1
    }
    },
    cleanArticleNode: function(t, n, r) {
    function S(e) {
    f += e, l && (l += e), c && (c += e), h && (h += e), p && (p += e)
    }
    function x() {
    l === 1 && (l = 0), c === 1 && (c = 0), h === 1 && (h = 0), p === 1 && (p = 0)
    }
    function T() {
    const e = .8;
    var n = cachedElementBoundingRect(t);
    if (n.width === 0 || n.height === 0)
    return !0;
    var r = childrenWithParallelStructure(t), i = r.length, s;
    if (i) {
    s = [];
    for (var o = 0; o < i; ++o) {
    var u = r[o];
    if (getComputedStyle(u).float === "none") {
    var a = u.children, f = a.length;
    for (var l = 0; l < f; ++l)
    s.push(a[l])
    } else
    s.push(u)
    }
    } else
    s = t.children;
    var c = s.length, h = 0;
    for (var o = 0; o < c; ++o) {
    var p = s[o];
    getComputedStyle(p).float !== "none" && (h += p.innerText.length)
    }
    var d = t.innerText.length, v = h / d;
    return v > e
    }
    function N(e) {
    const n = 50;
    if (cachedElementBoundingRect(e).height > n)
    return !1;
    const r = {
    UL: 1,
    LI: 1,
    NAV: 1
    };
    return r[e.tagName]?!0 : e.parentElement === t&&!e.nextElementSibling?!0 : !1
    }
    const i = {
    FORM: 1,
    SCRIPT: 1,
    STYLE: 1,
    LINK: 1
    }, s = {
    DIV: 1,
    TABLE: 1,
    OBJECT: 1,
    UL: 1,
    CANVAS: 1,
    P: 1,
    IFRAME: 1,
    ASIDE: 1,
    SECTION: 1,
    FOOTER: 1,
    NAV: 1,
    OL: 1
    }, o = {
    I: 1,
    EM: 1
    }, u = {
    B: 1,
    STRONG: 1,
    H1: 1,
    H2: 1,
    H3: 1,
    H4: 1,
    H5: 1,
    H6: 1
    };
    var a = [], f = 0, l = 0, c = 0, h = 0, p = 0, d = t, v = d.ownerDocument.defaultView, m = n, g = this.articleTitle(), y = this._articleTitleElement, b = this.elementPinToEdge(t), w = null, E = isElementVisible(t), C = this.dominantContentSelectorAndDepth(t), k = T(), L = new Set;
    this.previouslyDiscoveredPageURLStrings.forEach(function(e) {
    L.add(e)
    });
    var A = this.nextPageURL();
    A && L.add(A);
    var O = null;
    this._articleTitleElement && (O = cachedElementBoundingRect(this._articleTitleElement));
    var M = this.functionToPreventPruningElementDueToInvisibility();
    while (d) {
    var _ = null, D = m.tagName;
    m.originalElement = d, d === b && (w = m), D in i && (_ = m), !_ && d === y && (_ = m);
    if (!_ && (D === "H1" || D === "H2")) {
    var P = d.offsetTop - t.offsetTop;
    if (P < HeaderMinimumDistanceFromArticleTop) {
    var H = innerTextOrTextContent(d), B = H.length * HeaderLevenshteinDistanceToLengthRatio;
    levenshteinDistance(g, H) <= B && (_ = m)
    }
    }
    _ || this.isMediaWikiPage() && /editsection/.test(d.className) && (_ = m);
    var j;
    _ || (j = getComputedStyle(d));
    if (!_ && D === "DIV" && m.parentNode) {
    var F = d.querySelectorAll("a, blockquote, dl, div, img, ol, p, pre, table, ul"), I = l || j["float"] !== "none";
    if (!I&&!F.length) {
    var q = m.parentNode, R = this.contentDocument.createElement("p");
    while (m.firstChild) {
    var U = m.firstChild;
    R.appendChild(U)
    }
    q.replaceChild(R, m), w === m && (w = R), m = R, m.originalElement = d, D = m.tagName
    }
    }
    !_ && m.parentNode && D in s && a.push(m);
    if (!_) {
    if (E) {
    var z = j.display === "none" || j.visibility !== "visible" || computedStyleIndicatesElementIsInvisibleDueToClipping(j);
    if (z) {
    var W = C ? f === C.depth && selectorForElement(d) === C.selector: !1;
    !W&&!M(d, t) && (_ = m)
    }
    }
    isElementPositionedOffScreen(d) ? _ = m : d !== t&&!l && j["float"] !== "none"&&!k && (cachedElementBoundingRect(d).height >= FloatMinimumHeight || d.childElementCount > 1) && (l = 1)
    }
    if (!_) {
    var X = m.attributes;
    for (var V = 0; V < X.length; ++V) {
    var $ = X[V].nodeName;
    AttributesToRemoveRegEx.test($) && (m.removeAttribute($), V--)
    }
    j.clear === "both" && m.classList.add("clear");
    if ((D === "UL" || D === "OL") && j["list-style-type"] === "none" && j["background-image"] === "none") {
    var J = d.children, K = J.length, Q=!0;
    for (var V = 0; V < K; ++V) {
    var G = getComputedStyle(J[V]);
    if (G["list-style-type"] !== "none" || parseInt(G["-webkit-padding-start"]) !== 0) {
    Q=!1;
    break
    }
    }
    Q && m.classList.add("list-style-type-none")
    }
    !h && j.fontStyle !== "normal" && (D in o || (m.style.fontStyle = j.fontStyle), h = 1), !p && j.fontWeight !== "normal" && (D in u || (m.style.fontWeight = j.fontWeight), p = 1);
    if (l) {
    l === 1 && (cachedElementBoundingRect(d).width <= MaximumFloatWidth ? m.setAttribute("class", "auxiliary float " + j["float"]) : m.classList.add("auxiliary"));
    var Y = d.style.getPropertyValue("width");
    if (Y)
    m.style.width = Y;
    else {
    var Z = v.getMatchedCSSRules(d, "", !0);
    if (Z) {
    var et = Z.length;
    for (var V = et - 1; V >= 0; --V) {
    Y = Z[V].style.getPropertyValue("width");
    if (Y) {
    m.style.width = Y;
    break
    }
    }
    }
    }
    l === 1&&!Y && (m.style.width = cachedElementBoundingRect(d).width + "px");
    var tt = m.parentNode === n ? 36: 12, nt = m.style.width;
    nt && parseInt(nt) >= screen.width - tt && m.setAttribute("class", "large-element")
    }
    if (D === "TABLE")
    c || (c = 1);
    else if (D === "VIDEO") {
    var rt = cachedElementBoundingRect(d);
    const it = 36;
    rt.width > screen.width - it && m.setAttribute("class", "large-element")
    } else if (D === "IMG") {
    var st=!1, ot = X.length;
    for (var V = 0; V < ot; ++V) {
    var $ = X[V].nodeName;
    if (KnownImageLazyLoadingAttributes[$.toLowerCase()]) {
    m.setAttribute("src", m.getAttribute($)), st=!0;
    break
    }
    }
    m.removeAttribute("border"), m.removeAttribute("hspace"), m.removeAttribute("vspace");
    var ut = m.getAttribute("align");
    m.removeAttribute("align");
    if (ut === "left" || ut === "right")
    m.classList.add("float"), m.classList.add(ut);
    if (!l&&!st) {
    var at = cachedElementBoundingRect(d), ft = at.width, lt = at.height;
    ft === 1 && lt === 1 ? _ = m : O && lt < MinimumHeightForImagesAboveTheArticleTitle && at.bottom < O.top ? _ = m : ft < ImageSizeTiny && lt < ImageSizeTiny && m.setAttribute("class", "reader-image-tiny")
    }
    } else if (D === "FONT")
    m.removeAttribute("size"), m.removeAttribute("face"), m.removeAttribute("color");
    else if (D === "A" && m.parentNode) {
    var ct = m.getAttribute("href");
    if (ct && ct.length && (ct[0] === "#" || ct.substring(0, 11) === "javascript:")) {
    if (!c&&!m.childElementCount && m.parentElement.childElementCount === 1 && m.parentElement.tagName !== "LI") {
    var ht = this.contentDocument.evaluate("text()", m.parentElement, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    ht.snapshotLength || (_ = m)
    }
    if (!_) {
    var R = this.contentDocument.createElement("span");
    if (m.childElementCount === 1 && m.firstElementChild.tagName === "IMG") {
    var pt = m.firstElementChild;
    pt.width > AnchorImageMinimumWidth && pt.height > AnchorImageMinimumHeight && R.setAttribute("class", "converted-image-anchor")
    }
    R.className || R.setAttribute("class", "converted-anchor");
    while (m.firstChild)
    R.appendChild(m.firstChild);
    m.parentNode.replaceChild(R, m), m = R, w === m && (w = R)
    }
    }
    }
    }
    !_ && elementIsCommentBlock(d) && (_ = m);
    if (!_ && D === "A" && L.has(d.href)) {
    var dt = d, vt = m, mt, gt;
    while ((dt = dt.parentElement) && (vt = vt.parentElement)) {
    const yt = 10;
    if (cachedElementBoundingRect(dt).top - cachedElementBoundingRect(d).top > yt)
    break;
    if (dt === t)
    break;
    N(dt) && (mt = dt, gt = vt)
    }
    mt && (_ = gt, d = mt, m = gt, m.originalElement = d, D = m.tagName), dt = null, vt = null, mt = null, gt = null
    }
    var bt = _ ? null: d.firstElementChild;
    if (bt)
    d = bt, m = m.firstElementChild, S(1);
    else {
    var wt;
    while (d !== t&&!(wt = d.nextElementSibling))
    d = d.parentElement, m = m.parentElement, S( - 1);
    if (d === t) {
    if (_)
    if (_.parentElement)
    _.remove();
    else if (r)
    return null;
    break
    }
    d = wt, m = m.nextElementSibling, x()
    }
    if (_)
    if (_.parentElement)
    _.remove();
    else if (r)
    return null
    }
    var Et = n.querySelectorAll("iframe"), St = Et.length;
    for (var V = 0; V < St; ++V) {
    var xt = Et[V];
    if (elementLooksLikeEmbeddedTweet(xt.originalElement)) {
    var Tt = this.adoptableSimpleTweetFromTwitterIframe(xt);
    Tt && xt.parentElement.replaceChild(Tt, xt)
    }
    }
    for (var V = a.length - 1; V >= 0; --V) {
    var Nt = a[V];
    Nt.parentNode && this.shouldPruneElement(Nt, Nt.originalElement) && (w === Nt && ((w = Nt.nextElementSibling) || (w = Nt.parentElement)), Nt.remove())
    }
    var Ct = n.querySelectorAll(".float");
    for (var V = 0; V < Ct.length; ++V) {
    var kt=!1, Lt = Ct[V];
    if (!kt) {
    var At = Lt.querySelectorAll("a, span.converted-image-anchor"), Ot = Lt.querySelectorAll("span.converted-anchor");
    kt = Lt.parentNode && Ot.length > At.length
    }
    if (!kt) {
    var Mt = Lt.querySelectorAll("embed, object").length, _t = Lt.originalElement.querySelectorAll("embed, object").length;
    !Mt && _t && (kt=!0)
    }
    if (!kt) {
    var Dt = Lt.originalElement.getElementsByTagName("img"), Pt = Dt.length, Ht = 0;
    for (var Bt = 0; Bt < Pt; ++Bt) {
    E && isElementVisible(Dt[Bt]) && Ht++;
    if (Ht > 1)
    break
    }
    if (Ht === 1) {
    var jt = Lt.getElementsByTagName("img").length;
    jt || (kt=!0)
    }
    }
    kt && (w === Lt && ((w = Lt.nextElementSibling) || (w = Lt.parentElement)), Lt.remove())
    }
    if (r&&!removeWhitespace(n.innerText).length)
    return null;
    if (w) {
    var Ft = document.createElement("div"), It = w.originalElement.getBoundingClientRect(), qt = It.height > 0 ? It.top * 100 / It.height: 0;
    Ft.style.position = "relative", Ft.style.top = Math.round( - qt) + "%", Ft.setAttribute("id", "safari-reader-element-marker"), w.insertBefore(Ft, w.firstChild)
    }
    return n
    },
    adoptableSimpleTweetFromTwitterIframe: function(t) {
    var n = t.originalElement.contentDocument.documentElement, r = n.querySelector("[data-tweet-id].expanded");
    if (!r)
    return null;
    var i = this.contentDocument.createElement("div");
    i.classList.add("tweet-wrapper");
    var s = this.contentDocument.createElement("blockquote");
    s.classList.add("simple-tweet"), i.appendChild(s);
    var o = r.getAttribute("data-tweet-id");
    i.setAttribute("data-reader-tweet-id", o);
    var u = r.querySelector(".dateline"), a = r.querySelector('[data-scribe="element:screen_name"]'), f = r.querySelector('[data-scribe="element:name"]'), l = r.querySelector(".e-entry-title");
    if (!u ||!a ||!f ||!l)
    return i;
    var c = "&mdash; " + f.innerText + " (" + a.innerText + ")", h = this.contentDocument.createElement("p");
    h.innerHTML = l.innerHTML, s.appendChild(h), s.insertAdjacentHTML("beforeend", c);
    var p = this.contentDocument.createElement("span");
    p.innerHTML = u.innerHTML, s.appendChild(p);
    var d = s.querySelectorAll("img.twitter-emoji"), v = d.length;
    for (var m = 0; m < v; ++m) {
    var g = d[m], y = g.getAttribute("alt");
    if (y && y.length > 0) {
    var b = this.contentDocument.createElement("span");
    b.innerText = y, g.parentNode.replaceChild(b, g)
    }
    }
    return i
    },
    leadingImageNode: function() {
    const t = 250, n = .5, r = 3;
    if (!this.article ||!this.article.element)
    return null;
    var i = this.article.element;
    for (var s = 0; s < r; ++s) {
    if (!i.parentNode)
    break;
    i = i.parentNode;
    var o = i.getElementsByTagName("img")[0];
    if (o) {
    var u = cachedElementBoundingRect(o);
    if (u.height >= t && u.width >= this._articleWidth * n) {
    var a = this.article.element.compareDocumentPosition(o);
    if (!(a & DocumentPositionPreceding) || a & DocumentPositionContainedBy)
    continue;
    a = this.extraArticle ? this.extraArticle.element.compareDocumentPosition(o) : null;
    if (a && (!(a & DocumentPositionPreceding) || a & DocumentPositionContainedBy))
    continue;
    return o
    }
    }
    }
    return null
    },
    mainImageNode: function() {
    var t = this.leadingImageNode();
    if (t)
    return t;
    if (this.article && this.article.element) {
    var n = this.article.element.querySelectorAll("img"), r = n.length;
    for (var i = 0; i < r; ++i) {
    var s = n[i], o = s._cachedElementBoundingRect;
    o || (o = s.getBoundingClientRect());
    if (o.width >= MainImageMinimumWidthAndHeight && o.height >= MainImageMinimumWidthAndHeight)
    return s
    }
    }
    return null
    },
    articleTitle: function() {
    function m(e, t) {
    var n = e ? t.indexOf(e): - 1;
    return n!==-1 && (n === 0 || n + e.length === t.length)
    }
    function g(e, t) {
    return e.host === t.host && e.pathname === t.pathname
    }
    if (!this.articleNode())
    return;
    if (this._articleTitle)
    return this._articleTitle;
    const t = 500, n = 20, r = 8, i = 1.1, s = 1.25, o = /header|title|headline|instapaper_title/i, u = 1.5, a = 1.8, f = 1.5, l = .6, c = 3, h = 1.5, p = 9, d = 1.5, v = /byline|author/i;
    var y = function(e) {
    var t = this.contentDocument.querySelector(e), n = t && t.attributes.length === 2 ? t.content: null;
    if (n) {
    var r = this.articleTitleAndSiteNameFromTitleString(n);
    r && (n = r.articleTitle)
    }
    return n
    }.bind(this), b = this.contentDocument.title, w = y("head meta[property='og:title']"), E = y("head meta[name='twitter:title']"), S = cachedElementBoundingRect(this.articleNode());
    this.extraArticleNode() && this.extraArticle.isPrepended && (S = cachedElementBoundingRect(this.extraArticleNode()));
    var x = S.left + S.width / 2, T = S.top, N = T;
    this._articleWidth = S.width, this.leadingImage = this.leadingImageNode();
    if (this.leadingImage) {
    var C = cachedElementBoundingRect(this.leadingImage);
    N = (C.top + T) / 2
    }
    var k = "h1, h2, h3, h4, h5, .headline, .article_title, #hn-headline, .inside-head, .instapaper_title", L = this.article.element.tagName;
    if (L === "DL" || L === "DD")
    k += ", dt";
    var A = this.contentDocument.querySelectorAll(k);
    A = Array.prototype.slice.call(A, 0);
    var O = this.contentDocument.location, M = this.article.element.getElementsByTagName("a");
    for (var _ = 0; _ < M.length; _++) {
    var D = M[_];
    if (D.offsetTop > this.articleNode().offsetTop + n)
    break;
    if (g(D, O)) {
    A.push(D);
    break
    }
    }
    var P, H = A.map(innerTextOrTextContent), B = A.length, j = 0, F = [], I = [], q = [];
    for (var _ = 0; _ < B; ++_) {
    var R = A[_], U = H[_], z = stringSimilarity(b, U);
    if (w) {
    var W = stringSimilarity(w, U);
    z += W, W > StringSimilarityToDeclareStringsNearlyIdentical && I.push(R)
    }
    if (E) {
    var X = stringSimilarity(E, U);
    z += X, X > StringSimilarityToDeclareStringsNearlyIdentical && q.push(R)
    }
    z === j ? F.push(R) : z > j && (j = z, F = [R])
    }
    I.length === 1 ? (P = I[0], P.headerText = innerTextOrTextContent(P)) : q.length === 1 && (P = q[0], P.headerText = innerTextOrTextContent(P));
    if (!P)
    for (var _ = 0; _ < B; ++_) {
    var R = A[_];
    if (!isElementVisible(R))
    continue;
    var V = cachedElementBoundingRect(R), $ = V.left + V.width / 2, J = V.top + V.height / 2, K = $ - x, Q = J - N, G = I.indexOf(R)!==-1, Y = q.indexOf(R)!==-1, Z = R.classList.contains("instapaper_title"), et = R.getAttribute("itemprop") === "headline", tt = G || Y || Z || et, nt = Math.sqrt(K * K + Q * Q), rt = tt ? t: Math.max(t - nt, 0), U = H[_], it = R.getAttribute("property");
    if (it) {
    var st = /dc.title/i.exec(it);
    if (st && st[0]) {
    var ot = this.contentDocument.querySelectorAll('*[property~="' + st[0] + '"]');
    if (ot.length === 1) {
    P = R, P.headerText = U;
    break
    }
    }
    }
    if (v.test(R.className))
    continue;
    if (!tt) {
    if (nt > t)
    continue;
    if ($ < S.left || $ > S.right)
    continue
    }
    if (b && stringsAreNearlyIdentical(U, b))
    rt*=c;
    else if (m(U, b))
    rt*=h;
    else if (U.length < r)
    continue;
    var ut=!1, at = nearestAncestorElementWithTagName(R, "A");
    at || (at = R.querySelector("a"));
    if (at) {
    var ft = at.host === O.host, lt = at.pathname === O.pathname;
    if (ft && lt)
    rt*=f;
    else {
    if (ft && nearestAncestorElementWithTagName(R, "LI"))
    continue;
    rt*=l, ut=!0
    }
    }
    var ct = fontSizeFromComputedStyle(getComputedStyle(R));
    ut || (rt*=ct / BaseFontSize), rt*=1 + TitleCandidateDepthScoreMultiplier * elementDepth(R);
    var ht = parseInt(this.contentTextStyle().fontSize);
    parseInt(ct) > ht * i && (rt*=s);
    if (o.test(R.className) || o.test(R.getAttribute("id")))
    rt*=u;
    var pt = R.parentElement;
    pt && (o.test(pt.className) || o.test(pt.getAttribute("id"))) && (rt*=u), F.indexOf(R)!==-1 && (rt*=a);
    if (!P || rt > P.headerScore)
    P = R, P.headerScore = rt, P.headerText = U
    }
    P && domDistance(P, this.articleNode(), p + 1) > p && parseInt(getComputedStyle(P).fontSize) < d * ht && (P = null);
    if (P) {
    this._articleTitleElement = P;
    var dt = P.headerText.trim();
    w && m(w, dt) ? this._articleTitle = w : b && m(b, dt) ? this._articleTitle = b : this._articleTitle = dt
    }
    return this._articleTitle || (w && m(w, b) ? this._articleTitle = w : this._articleTitle = b), this._articleTitle
    },
    articleIsLTR: function() {
    if (!this._articleIsLTR) {
    var t = getComputedStyle(this.article.element);
    this._articleIsLTR = t ? t.direction === "ltr" : !0
    }
    return this._articleIsLTR
    },
    findSuggestedCandidate: function() {
    var t = this.suggestedRouteToArticle;
    if (!t ||!t.length)
    return null;
    var n, r;
    for (r = t.length - 1; r >= 0; --r)
    if (t[r].id) {
    n = this.contentDocument.getElementById(t[r].id);
    if (n)
    break
    }
    r++, n || (n = this.contentDocument);
    while (r < t.length) {
    var i = t[r], s = n.nodeType === Node.DOCUMENT_NODE ? n.documentElement: n.firstElementChild;
    for (var o = 1; s && o < i.index; s = s.nextElementSibling)
    this.shouldIgnoreInRouteComputation(s) || o++;
    if (!s)
    return null;
    if (s.tagName !== i.tagName)
    return null;
    if (i.className && s.className !== i.className)
    return null;
    n = s, r++
    }
    return isElementVisible(n) ? new CandidateElement(n, this.contentDocument) : null
    },
    canRunReaderDetection: function() {
    var e = this.contentDocument.location.hostname, t = this.contentDocument.location.pathname;
    for (var n in BlacklistedHostsAllowedPathRegexMap) {
    var r = new RegExp(n.escapeForRegExp());
    if (!r.test(e))
    continue;
    var i = BlacklistedHostsAllowedPathRegexMap[n];
    return i instanceof RegExp ? i.test(t) : !1
    }
    return !0
    },
    findArticleBySearchingAllElements: function(t) {
    var n = this.findSuggestedCandidate(), r = this.findCandidateElements();
    if (!r ||!r.length)
    return n;
    if (n && n.basicScore() >= ReaderMinimumScore)
    return n;
    var i = this.highestScoringCandidateFromCandidates(r);
    for (var s = i.element; s !== this.contentDocument; s = s.parentNode)
    if (s.tagName === "BLOCKQUOTE") {
    var o = s.parentNode, u = r.length;
    for (var a = 0; a < u; ++a) {
    var f = r[a];
    if (f.element === o) {
    i = f;
    break
    }
    }
    break
    }
    if (n && i.finalScore() < ReaderMinimumScore)
    return n;
    if (!t) {
    if (i.shouldDisqualifyDueToScoreDensity())
    return null;
    if (i.shouldDisqualifyDueToHorizontalRuleDensity())
    return null;
    if (i.shouldDisqualifyDueToHeaderDensity())
    return null;
    if (i.shouldDisqualifyDueToSimilarElements(r))
    return null
    }
    return i
    },
    findExtraArticle: function() {
    if (!this.article)
    return null;
    for (var t = 0, n = this.article.element; t < 3 && n; ++t, n = n.parentNode) {
    var r = this.findExtraArticleCandidateElements(n);
    if (!r ||!r.length)
    continue;
    var i = this.sortCandidateElementsInDescendingScoreOrder(r), s;
    for (var o = 0; o < i.length; o++) {
    s = i[o];
    if (!s ||!s.basicScore())
    break;
    if (s.shouldDisqualifyDueToScoreDensity())
    continue;
    if (s.shouldDisqualifyDueToHorizontalRuleDensity())
    continue;
    if (s.shouldDisqualifyDueToHeaderDensity())
    continue;
    if (cachedElementBoundingRect(s.element).height < PrependedArticleCandidateMinimumHeight && cachedElementBoundingRect(this.article.element).width !== cachedElementBoundingRect(s.element).width)
    continue;
    var u = contentTextStyleForNode(this.contentDocument, s.element);
    if (!u)
    continue;
    if (u.fontFamily !== this.contentTextStyle().fontFamily || u.fontSize !== this.contentTextStyle().fontSize)
    continue;
    if (s)
    return s
    }
    }
    return null
    },
    highestScoringCandidateFromCandidates: function(t) {
    var n = 0, r = null, i = t.length;
    for (var s = 0; s < i; ++s) {
    var o = t[s], u = o.basicScore();
    u >= n && (n = u, r = o)
    }
    return r
    },
    sortCandidateElementsInDescendingScoreOrder: function(t) {
    function n(e, t) {
    return e.basicScore() !== t.basicScore() ? t.basicScore() - e.basicScore() : t.depth() - e.depth()
    }
    return t.sort(n)
    },
    findCandidateElements: function() {
    const t = 1e3;
    var n = Date.now() + t, r = this.contentDocument.getElementsByTagName("*"), i = r.length, s = [];
    for (var o = 0; o < i; ++o) {
    var u = r[o];
    if (CandidateTagNamesToIgnore[u.tagName])
    continue;
    var a = CandidateElement.candidateIfElementIsViable(u, this.contentDocument);
    a && s.push(a);
    if (Date.now() > n) {
    s = [];
    break
    }
    }
    var f = s.length;
    for (var o = 0; o < f; ++o)
    s[o].element.candidateElement = s[o];
    for (var o = 0; o < f; ++o) {
    var l = s[o];
    if (l.element.tagName !== "BLOCKQUOTE")
    continue;
    var c = l.element.parentElement.candidateElement;
    if (!c)
    continue;
    c.addTextNodesFromCandidateElement(l)
    }
    for (var o = 0; o < f; ++o)
    s[o].element.candidateElement = null;
    return s
    },
    findExtraArticleCandidateElements: function(t) {
    if (!this.article)
    return [];
    t || (t = this.article.element);
    var n = "preceding-sibling::*/descendant-or-self::*", r = this.contentDocument.evaluate(n, t, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null), i = r.snapshotLength, s = [];
    for (var o = 0; o < i; ++o) {
    var u = r.snapshotItem(o);
    if (CandidateTagNamesToIgnore[u.tagName])
    continue;
    var a = CandidateElement.extraArticleCandidateIfElementIsViable(u, this.article, this.contentDocument, !0);
    a && s.push(a)
    }
    n = "following-sibling::*/descendant-or-self::*", r = this.contentDocument.evaluate(n, t, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null), i = r.snapshotLength;
    for (var o = 0; o < i; ++o) {
    var u = r.snapshotItem(o);
    if (CandidateTagNamesToIgnore[u.tagName])
    continue;
    var a = CandidateElement.extraArticleCandidateIfElementIsViable(u, this.article, this.contentDocument, !1);
    a && s.push(a)
    }
    return s
    },
    isGeneratedBy: function(t) {
    var n = this.contentDocument.head ? this.contentDocument.head.querySelector("meta[name=generator]"): null;
    if (!n)
    return !1;
    var r = n.content;
    return r ? t.test(r) : !1
    },
    isMediaWikiPage: function() {
    return this.isGeneratedBy(/^MediaWiki /)
    },
    isWordPressSite: function() {
    return this.isGeneratedBy(/^WordPress/)
    },
    nextPageURLString: function() {
    if (!this.article)
    return null;
    if (this.isMediaWikiPage())
    return null;
    var t, n = 0, r = this.article.element;
    r.parentNode && getComputedStyle(r).display === "inline" && (r = r.parentNode);
    var i = r, s = cachedElementBoundingRect(r).bottom + LinkMaxVerticalDistanceFromArticle;
    while (isElementNode(i) && cachedElementBoundingRect(i).bottom <= s)
    i = i.parentNode;
    i !== r && (i === this.contentDocument || isElementNode(i)) && (r = i);
    var o = this.contentDocument.evaluate(LinkCandidateXPathQuery, r, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null), u = o.snapshotLength;
    if (this.pageNumber <= 2&&!this.prefixWithDateForNextPageURL) {
    var a = this.contentDocument.location.pathname, f = a.match(LinkDateRegex);
    f && (f = f[0], this.prefixWithDateForNextPageURL = a.substring(0, a.indexOf(f) + f.length))
    }
    for (var l = 0; l < u; ++l) {
    var c = o.snapshotItem(l), h = this.scoreNextPageLinkCandidate(c);
    h > n && (t = c, n = h)
    }
    return t ? t.href : null
    },
    scoreNextPageLinkCandidate: function(t) {
    function n(e, t, n, r) {
    t.substring(0, e.length) === e && (t = t.substring(e.length), e = "");
    var i = t.lastInteger();
    if (isNaN(i))
    return !1;
    var s = e ? e.lastInteger(): NaN;
    if (isNaN(s) || s >= MaximumExactIntegralValue)
    s = r;
    return i === s ? n.lastInteger() === s + 1 : i === s + 1
    }
    function r(e) {
    var t = {}, n = e.substring(1).split("&"), r = n.length;
    for (var i = 0; i < r; ++i) {
    var s = n[i], o = s.indexOf("=");
    o===-1 ? t[s] = null : t[s.substring(0, o)] = s.substring(o + 1)
    }
    return t
    }
    var i = this.contentDocument.location;
    if (t.host !== i.host)
    return 0;
    if (t.pathname === i.pathname && t.search === i.search)
    return 0;
    if (t.toString().indexOf("#")!==-1)
    return 0;
    if (anchorLinksToAttachment(t) || anchorLinksToTagOrCategoryPage(t))
    return 0;
    if (!isElementVisible(t))
    return 0;
    var s = cachedElementBoundingRect(t), o = this._articleBoundingRect, u = Math.max(0, Math.max(o.top - (s.top + s.height), s.top - (o.top + o.height)));
    if (s.top < o.top)
    return 0;
    if (u > LinkMaxVerticalDistanceFromArticle)
    return 0;
    var a = Math.max(0, Math.max(o.left - (s.left + s.width), s.left - (o.left + o.width)));
    if (a > 0)
    return 0;
    var f = i.pathname, l = t.pathname;
    if (this.prefixWithDateForNextPageURL) {
    if (t.pathname.indexOf(this.prefixWithDateForNextPageURL)===-1)
    return 0;
    f = f.substring(this.prefixWithDateForNextPageURL.length), l = l.substring(this.prefixWithDateForNextPageURL.length)
    }
    var c = l.substring(1).split("/");
    c[c.length - 1] || c.pop();
    var h = c.length, p = f.substring(1).split("/"), d=!1;
    p[p.length - 1] || (d=!0, p.pop());
    var v = p.length;
    if (h < v)
    return 0;
    var m = 0, g = 0, y = t.textContent;
    for (var b = 0; b < h; ++b) {
    var w = c[b], E = b < v ? p[b]: "";
    if (E !== w) {
    if (b < v - 2)
    return 0;
    if (w.length >= E.length) {
    var S = 0;
    while (w[w.length - 1 - S] === E[E.length - 1 - S])
    S++;
    S && (w = w.substring(0, w.length - S), E = E.substring(0, E.length - S));
    var x = w.indexOf(E);
    x!==-1 && (w = w.substring(x))
    }
    n(E, w, y, this.pageNumber) ? g = Math.pow(LinkNextOrdinalValueBase, b - h + 1) : m++
    }
    if (m > 1)
    return 0
    }
    var T=!1;
    if (t.search) {
    linkParameters = r(t.search), referenceParameters = r(i.search);
    for (var N in linkParameters) {
    var C = linkParameters[N], k = N in referenceParameters ? referenceParameters[N]: null;
    if (k !== C) {
    k === null && (k = ""), C === null && (C = "");
    if (C.length < k.length)
    m++;
    else if (n(k, C, y, this.pageNumber)) {
    if (LinkURLSearchParameterKeyMatchRegex.test(N)) {
    if (f.toLowerCase() !== l.toLowerCase())
    return 0;
    if (this.isWordPressSite() && d)
    return 0;
    T=!0
    }
    if (LinkURLBadSearchParameterKeyMatchRegex.test(N)) {
    m++;
    continue
    }
    g = Math.max(g, 1 / LinkNextOrdinalValueBase)
    } else
    m++
    }
    }
    }
    if (!g)
    return 0;
    if (LinkURLPageSlashNumberMatchRegex.test(t.href) || LinkURLSlashDigitEndMatchRegex.test(t.href))
    T=!0;
    if (!T && h === v && stringSimilarity(f, l) < LinkMinimumURLSimilarityRatio)
    return 0;
    if (LinkURLArchiveSlashDigitEndMatchRegex.test(t))
    return 0;
    var L = LinkMatchWeight * (Math.pow(LinkMismatchValueBase, - m) + g) + LinkVerticalDistanceFromArticleWeight * u / LinkMaxVerticalDistanceFromArticle;
    T && (L += LinkURLSemanticMatchBonus), t.parentNode.tagName === "LI" && (L += LinkListItemBonus);
    var y = t.innerText;
    return LinkNextMatchRegEx.test(y) && (L += LinkNextMatchBonus), LinkPageMatchRegEx.test(y) && (L += LinkPageMatchBonus), LinkContinueMatchRegEx.test(y) && (L += LinkContinueMatchBonus), L
    },
    elementContainsEnoughTextOfSameStyle: function(t) {
    function o(e, t) {
    function u(e) {
    var t = e.children[0];
    if (t) {
    var n = t.children, r = n.length;
    for (var i = 0; i < r; ++i)
    if (getComputedStyle(n[i]).float !== "none")
    return !1
    }
    return !0
    }
    function a(e, i) {
    if (e.nodeType === Node.TEXT_NODE) {
    /\S/.test(e.nodeValue) && r.push(e);
    return
    }
    if (e.nodeType !== Node.ELEMENT_NODE)
    return;
    if (!isElementVisible(e))
    return;
    if (t&&++n > t)
    return;
    if (e._evaluatedForTextContent)
    return;
    var f = e.tagName;
    if (f === "IFRAME" || f === "FORM")
    return;
    o[f] ? i-- : (f === "UL" || f === "OL") && u(e) && i--;
    var l = i + 1;
    if (l < s) {
    var c = e.childNodes, h = c.length;
    for (var p = 0; p < h; ++p)
    a(c[p], l)
    }
    }
    var n = 0, r = [], o = {
    P: 1,
    STRONG: 1,
    B: 1,
    EM: 1,
    I: 1,
    SPAN: 1
    };
    return i && (o.CENTER = 1, o.FONT = 1), a(e, 0), r
    }
    const n = 110, r = 1800;
    var i = t.tagName === "BODY", s = i ? 2: 3, u = o(t, n), a = r / scoreMultiplierForElementTagNameAndAttributes(t) / languageScoreMultiplierForTextNodes(u), f = {}, l = u.length;
    for (var c = 0; c < l; ++c) {
    var h = u[c], p = h.length, d = h.parentElement, v = window.getComputedStyle(d), m = v.fontFamily + "|" + v.fontSize, g = Math.pow(p, TextNodeLengthPower);
    if (f[m]) {
    if ((f[m] += g) > a)
    break
    } else
    f[m] = g
    }
    for (var m in f)
    if (f[m] > a)
    return !0;
    return !1
    },
    pointsToUseForHitTesting: function() {
    const t = window.innerWidth, n = t / 4, r = t / 2, i = 128, s = 320;
    return [[r, 800], [r, 600], [n, 800], [r, 400], [r - i, 1100], [s, 700], [3 * n, 800], [t - s, 700], [r - i, 1300]]
    },
    clearVisualExaminationState: function() {
    var t = this._elementsEvaluatedForTextContent.length;
    for (var n = 0; n < t; ++n)
    delete this._elementsEvaluatedForTextContent[n]._evaluatedForTextContent;
    this._elementsEvaluatedForTextContent = []
    },
    findArticleByVisualExamination: function() {
    this.clearVisualExaminationState();
    var t = this.pointsToUseForHitTesting(), n = t.length;
    for (var r = 0; r < n; r++) {
    var i = t[r][0], s = t[r][1], o = elementAtPoint(i, s);
    for (var u = o; u; u = u.parentElement) {
    if (u._evaluatedForTextContent)
    break;
    if (VeryPositiveClassNameRegEx.test(u.className))
    return new CandidateElement(u, this.contentDocument);
    if (CandidateTagNamesToIgnore[u.tagName])
    continue;
    var a = u.offsetWidth, f = u.offsetHeight;
    if (!a&&!f) {
    var l = cachedElementBoundingRect(u);
    a = l.width, f = l.height
    }
    if (a < CandidateMinimumWidth || f < CandidateMinimumHeight || a * f < CandidateMinimumArea)
    continue;
    var c = this.elementContainsEnoughTextOfSameStyle(u);
    u._evaluatedForTextContent=!0, this._elementsEvaluatedForTextContent.push(u);
    if (!c)
    continue;
    if (CandidateElement.candidateElementAdjustedHeight(u) < CandidateMinimumHeight)
    continue;
    var h = new CandidateElement(u, this.contentDocument);
    if (h.shouldDisqualifyDueToSimilarElements())
    return null;
    if (h.shouldDisqualifyDueToHorizontalRuleDensity())
    return null;
    if (h.shouldDisqualifyDueToHeaderDensity())
    return null;
    if (h.shouldDisqualifyForDeepLinking())
    continue;
    return h
    }
    }
    return null
    },
    articleTextContent: function() {
    return this._articleTextContent
    },
    pageDescription: function() {
    var t = this.contentDocument.querySelectorAll("head meta[name]"), n = t.length;
    for (var r = 0; r < n; ++r) {
    var i = t[r];
    if (i.getAttribute("name").toLowerCase() === "description") {
    var s = i.getAttribute("content");
    if (s)
    return s.trim()
    }
    }
    return null
    },
    articleTitleAndSiteNameFromTitleString: function(e) {
    const t = [" - ", " \u2013 ", " \u2014 ", ": ", " | ", " \u00bb "], n = t.length, r = .6;
    var i = this.contentDocument.location.host, s = i.replace(/^(www|m)\./, ""), o = s.replace(/\.(com|info|net|org|edu)$/, "").toLowerCase(), u, a;
    for (var f = 0; f < n; ++f) {
    var l = e.split(t[f]);
    if (l.length !== 2)
    continue;
    var c = l[0].trim(), h = l[1].trim(), p = c.toLowerCase(), d = h.toLowerCase(), v = Math.max(stringSimilarity(p, s), stringSimilarity(p, o)), m = Math.max(stringSimilarity(d, s), stringSimilarity(d, o)), g = Math.max(v, m);
    if (!a || g > a)
    a = g, v > m ? u = {
    siteName: c,
    articleTitle: h
    } : u = {
    siteName: h,
    articleTitle: c
    }
    }
    return u && a >= r ? u : null
    },
    readingListItemInformation: function() {
    const t = 220, n = 220;
    var r, i = this.pageDescription(), s=!1;
    this.adoptableArticle() ? (r = this.articleTitle(), i = i || this.articleTextContent(), s=!0) : (r = this.contentDocument.title, this.contentDocument.body && (i = i || this.contentDocument.body.innerText));
    var o = "", u = this.mainImageNode();
    return u && (o = u.src), r || (r = userVisibleURLString(this.contentDocument.location.href)), r = r.trim().substring(0, t), i || (i = ""), i = i.trim().substring(0, n).replace(/[\s]+/g, " "), {
    title: r,
    previewText: i,
    mainImageURL: o,
    isReaderAvailable: s
    }
    }
    };

    var ReaderArticleFinderJS = new ReaderArticleFinder(document);