/*
 * 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);