ReaderArticleFinder.js

/* Copyright (c) 2023 Apple Inc. All rights reserved. */
/*
 * Copyright (c) 2010 Apple Inc. All rights reserved.
 *
 * Portions Copyright (c) 2009 Arc90 Inc
 * Readability. An Arc90 Lab Experiment.
 * Website: http://lab.arc90.com/experiments/readability
 * Source:  http://code.google.com/p/arc90labs-readability
 * Readability is licensed under the Apache License, Version 2.0.
 */
function hostnameMatchesHostKnownToContainEmbeddableMedia(e) {
    return /^(.+\.)?(youtube(-nocookie)?\.com|vimeo\.com|dailymotion\.com|soundcloud\.com|mixcloud\.com|embedly\.com|embed\.ly)\.?$/.test(e)
}

function lazyLoadingImageURLForElement(e, t) {
    function n(e) {
        const t = /\.(jpe?g|png|gif|bmp)$/i;
        if (t.test(e)) return !0;
        let n = urlFromString(e);
        return !!n && t.test(n.pathname)
    }

    function r(e) {
        let t = attributesForElement(e);
        for (let r of t) {
            let t = r.name;
            if (a.has(t.toLowerCase())) return e.getAttribute(t);
            let i = n(r.value);
            if (o.has(t.toLowerCase()) && i) return e.getAttribute(t);
            if (s && /^data.*(src|source)$/i.test(t) && i) return e.getAttribute(t);
            if (e instanceof HTMLImageElement && /^data-/.test(t) && i && 1 === e.naturalWidth && 1 === e.naturalHeight) return e.getAttribute(t)
        }
    }
    const i = /(data:image\/)?gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==/,
        a = new Set(["data-lazy-src", "data-original", "datasrc", "data-src", "original-src", "rel:bf_image_src", "deferred-src", "data-mediaviewer-src", "data-hi-res-src", "data-native-src"]),
        o = new Set(["original"]);
    let l = e.getAttribute("src"),
        s = /transparent|empty/i.test(l) || i.test(l);
    const c = 2;
    for (let t = e, n = 0; t && n < c; t = t.parentElement, ++n) {
        let e = r(t);
        if (e) return e
    }
    let u = e.closest("*[itemscope]");
    if (u && /^https?:\/\/schema\.org\/ImageObject\/?$/.test(u.getAttribute("itemtype"))) {
        let e = u.getAttribute("itemid");
        if (n(e) && !u.querySelector("img")) return e
    }
    if (LazyLoadRegex.test(t) && "function" == typeof URL) {
        var m;
        try {
            m = new URL(e.src)
        } catch (e) {}
        if (m && m.search) {
            var d, h;
            const t = ["w", "width"];
            for (var g = t.length, f = 0; f < g; ++f) {
                var p = t[f],
                    E = m.searchParams.get(p);
                if (E && !isNaN(parseInt(E))) {
                    d = p;
                    break
                }
            }
            const n = ["h", "height"];
            var v = n.length;
            for (f = 0; f < v; ++f) {
                var N = n[f],
                    A = m.searchParams.get(N);
                if (A && !isNaN(parseInt(A))) {
                    h = N;
                    break
                }
            }
            if (d && h) {
                var S = e.getAttribute("width"),
                    C = e.getAttribute("height");
                if (!isNaN(parseInt(S)) && !isNaN(parseInt(C))) return m.searchParams.set(d, S), m.searchParams.set(h, C), m.href
            }
        }
    }
    return null
}

function sanitizeElementByRemovingAttributes(e) {
    elementLooksLikeEmbeddedIframeTweetWithSrc(e) && (e.setAttribute("height", e.style.height), e.setAttribute("width", e.style.width));
    const t = /^on|^id$|^class$|^style$|^autofocus$/;
    for (var n = attributesForElement(e), r = 0; r < n.length; ++r) {
        var i = n[r].nodeName;
        t.test(i) && (e.removeAttribute(i), r--)
    }
}

function characterAppearsToBeCJK(e) {
    if (!e || 0 === e.length) return !1;
    var t = e.charCodeAt(0);
    return t > 11904 && t < 12031 || (t > 12352 && t < 12543 || (t > 12736 && t < 19903 || (t > 19968 && t < 40959 || (t > 44032 && t < 55215 || (t > 63744 && t < 64255 || (t > 65072 && t < 65103 || (t > 131072 && t < 173791 || t > 194560 && t < 195103)))))))
}

function domDistance(e, t, n) {
    for (var r = [], i = e; i;) r.unshift(i), i = i.parentNode;
    var a = [];
    for (i = t; i;) a.unshift(i), i = i.parentNode;
    for (var o = Math.min(r.length, a.length), l = Math.abs(r.length - a.length), s = o; s >= 0 && r[s] !== a[s]; --s)
        if (l += 2, n && l >= n) return n;
    return l
}

function fontSizeFromComputedStyle(e, t) {
    var n = parseInt(e.fontSize);
    return isNaN(n) && (n = t || BaseFontSize), n
}

function contentTextStyleForNode(e, t) {
    function n(e) {
        if (isNodeWhitespace(e)) return null;
        var t = getComputedStyle(e.parentNode);
        return "none" !== t.float ? null : t
    }
    for (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), a = i.snapshotLength, o = 0; o < a; ++o) {
        for (var l = i.snapshotItem(o), s = !1, c = l.parentElement; c !== t; c = c.parentElement)
            if (NegativeRegEx.test(c.className)) {
                s = !0;
                break
            } if (!s) {
            var u = n(l);
            if (u) return u
        }
    }
    return null
}

function isNodeWhitespace(e) {
    return !(!e || e.nodeType !== Node.TEXT_NODE) && !/\S/.test(e.data)
}

function removeWhitespace(e) {
    return e.replace(/\s+/g, "")
}

function isElementNode(e) {
    return !(!e || e.nodeType !== Node.ELEMENT_NODE)
}

function computedStyleIndicatesElementIsInvisibleDueToClipping(e) {
    if ("absolute" !== e.position) return !1;
    var t = e.clip.match(/^rect\((\d+px|auto), (\d+px|auto), (\d+px|auto), (\d+px|auto)\)$/);
    if (!t || 5 !== t.length) return !1;
    var n = t.map((function(e) {
            return parseInt(e)
        })),
        r = n[1];
    isNaN(r) && (r = 0);
    var i = n[2],
        a = n[3],
        o = n[4];
    return isNaN(o) && (o = 0), r >= a || i >= o
}

function isElementVisible(e) {
    var t = getComputedStyle(e);
    if ("visible" !== t.visibility || "none" === t.display) 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) && (t.bottom <= 0 || t.right <= 0)
}

function elementDepth(e) {
    for (var t = 0; e; e = e.parentElement) t++;
    return t
}

function depthOfElementWithinElement(e, t) {
    for (var n = 0; e !== t; e = e.parentElement) {
        if (!e) return NaN;
        n++
    }
    return n
}

function nearestAncestorElementWithTagName(e, t, n) {
    var r = {};
    if (n)
        for (var i = 0; i < n.length; ++i) r[n[i]] = !0;
    if (r[normalizedElementTagName(e)]) return null;
    for (; e = e.parentElement;) {
        var a = normalizedElementTagName(e);
        if (r[a]) break;
        if (a === t) return e
    }
    return null
}

function elementDescendsFromElementMatchingSelector(e, t) {
    do {
        if (e.matches(t)) return !0
    } while (e = e.parentElement);
    return !1
}

function elementDescendsFromElementInSet(e, t) {
    do {
        if (t.has(e)) return !0
    } while (e = e.parentElement);
    return !1
}

function cachedElementBoundingRect(e) {
    if (e._cachedElementBoundingRect) return e._cachedElementBoundingRect;
    var t = e.getBoundingClientRect();
    return ReaderArticleFinderJS._elementsWithCachedBoundingRects.push(e), ReaderArticleFinderJS._cachedScrollX || ReaderArticleFinderJS._cachedScrollY ? (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) : (e._cachedElementBoundingRect = t, e._cachedElementBoundingRect)
}

function clearCachedElementBoundingRects() {
    for (var e = ReaderArticleFinderJS._elementsWithCachedBoundingRects, t = e.length, n = 0; n < t; ++n) e[n]._cachedElementBoundingRect = null;
    ReaderArticleFinderJS._elementsWithCachedBoundingRects = []
}

function trimmedInnerTextIgnoringTextTransform(e) {
    var t = e.innerText;
    if (!/\S/.test(t)) return e.textContent.trim();
    var n = getComputedStyle(e).textTransform;
    return "uppercase" === n || "lowercase" === n ? e.textContent.trim() : t ? t.trim() : ""
}

function levenshteinDistance(e, t) {
    for (var n = e.length, r = t.length, i = new Array(n + 1), a = 0; a < n + 1; ++a) i[a] = new Array(r + 1), i[a][0] = a;
    for (var o = 0; o < r + 1; ++o) i[0][o] = o;
    for (o = 1; o < r + 1; ++o)
        for (a = 1; a < n + 1; ++a)
            if (e[a - 1] === t[o - 1]) i[a][o] = i[a - 1][o - 1];
            else {
                var l = i[a - 1][o] + 1,
                    s = i[a][o - 1] + 1,
                    c = i[a - 1][o - 1] + 1;
                i[a][o] = Math.min(l, s, c)
            } 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 || stringSimilarity(e, t) > StringSimilarityToDeclareStringsNearlyIdentical
}

function elementIsCommentBlock(e) {
    if (/(^|\s)comment/.test(e.className)) return !0;
    var t = e.getAttribute("id");
    return !(!t || 0 !== t.indexOf("comment") && 0 !== t.indexOf("Comment"))
}

function elementLooksLikeEmbeddedTweet(e) {
    var t = null;
    if ("iframe" === normalizedElementTagName(e)) {
        if (!e.contentDocument) return elementLooksLikeEmbeddedIframeTweetWithSrc(e);
        t = e.contentDocument.documentElement
    } else "twitter-widget" === normalizedElementTagName(e) && (t = e.shadowRoot);
    if (!t) return !1;
    if (e.closest(".twitter-video") && t.querySelector("[data-tweet-id]")) return !0;
    let n = 0,
        r = t.querySelector("blockquote");
    r && TweetURLRegex.test(r.getAttribute("cite")) && ++n;
    let i = t.querySelector("[data-iframe-title]");
    return i && TweetIframeTitleRegex.test(i.getAttribute("data-iframe-title")) && ++n, e.classList.contains("twitter-tweet") && ++n, t.querySelector("[data-tweet-id]") && ++n, n > 2
}

function elementLooksLikeEmbeddedIframeTweetWithSrc(e) {
    return EmbeddedTwitterIframeSrcRegEx.test(e.getAttribute("src")) && "Twitter Tweet" === e.getAttribute("title")
}

function elementLooksLikeACarousel(e) {
    const t = /carousel-|carousel_|-carousel|_carousel|swiper-/;
    return t.test(e.className) || t.test(e.getAttribute("data-analytics"))
}

function elementLooksLikePartOfACarousel(e) {
    const t = 3;
    for (var n = e, r = 0; r < t; ++r) {
        if (!n) return !1;
        if (elementLooksLikeACarousel(n)) return !0;
        n = n.parentElement
    }
    return !1
}

function urlIsHTTPFamilyProtocol(e) {
    let t = e.protocol;
    return "http:" === t || "https:" === t
}

function shouldPruneIframe(e) {
    if (e.srcdoc) return !0;
    let t = urlFromString(e.src);
    if (t) {
        if (!urlIsHTTPFamilyProtocol(t)) return !0;
        if (hostnameMatchesHostKnownToContainEmbeddableMedia(t.hostname)) return !1
    }
    return !elementLooksLikeEmbeddedTweet(e.originalElement)
}

function textContentAppearsToBeCJK(e, t) {
    if (!e || !e.length) return !1;
    let n = e.length;
    t && !isNaN(t) && (n = Math.min(n, t));
    let r = 0;
    for (let t = 0; t < n; t++) characterAppearsToBeCJK(e[t]) && r++;
    return r >= n * MinimumRatioOfCharactersForLanguageMultiplier
}

function languageScoreMultiplierForTextNodes(e) {
    if (!e || !e.length) return 1;
    for (var t = Math.min(e.length, DefaultNumberOfTextNodesToCheckForLanguageMultiplier), n = 0, r = 0, i = 0; i < t; i++) {
        for (var a = e[i].nodeValue.trim(), o = Math.min(a.length, NumberOfCharactersPerTextNodeToEvaluateForLanguageMultiplier), l = 0; l < o; l++) characterAppearsToBeCJK(a[l]) && n++;
        r += o
    }
    return n >= r * MinimumRatioOfCharactersForLanguageMultiplier ? ScoreMultiplierForChineseJapaneseKorean : 1
}

function scoreMultiplierForElementTagNameAndAttributes(e) {
    for (var t = 1, n = e; n; n = n.parentElement) {
        var r = n.getAttribute("id");
        r && (ArticleRegEx.test(r) && (t += ArticleMatchBonus), CommentRegEx.test(r) && (t -= CommentMatchPenalty), CarouselRegEx.test(r) && (t -= CarouselMatchPenalty));
        var i = n.className;
        i && (ArticleRegEx.test(i) && (t += ArticleMatchBonus), CommentRegEx.test(i) && (t -= CommentMatchPenalty), CarouselRegEx.test(i) && (t -= CarouselMatchPenalty)), "article" === normalizedElementTagName(n) && (t += ArticleMatchBonus)
    }
    return t < 0 ? 0 : t
}

function elementAtPoint(e, t, n) {
    if ("undefined" != typeof ReaderArticleFinderJSController && ReaderArticleFinderJSController.nodeAtPoint) {
        var r = ReaderArticleFinderJSController.nodeAtPoint(e, t);
        return r && r.nodeType !== Node.ELEMENT_NODE && (r = r.parentElement), r
    }
    return n.elementFromPoint(e, t)
}

function userVisibleURLString(e) {
    return "undefined" != typeof ReaderArticleFinderJSController && ReaderArticleFinderJSController.userVisibleURLString ? ReaderArticleFinderJSController.userVisibleURLString(e) : e
}

function urlFromString(e, t) {
    try {
        return null != t ? new URL(e, t) : new URL(e)
    } catch (e) {
        return null
    }
}

function urlStringShouldHaveItsAnchorMadeNonFunctional(e, t) {
    if (!e) return !0;
    var n = urlFromString(e);
    if (n || (n = urlFromString(e, t)), !n || !n.href || !n.href.length) return !0;
    let r = n.href;
    return "javascript:" === r.trim().substring(0, 11).toLowerCase() || "data:" === r.trim().substring(0, 5).toLowerCase()
}

function anchorLinksToAttachment(e) {
    return /\battachment\b/i.test(e.getAttribute("rel"))
}

function anchorLinksToTagOrCategoryPage(e) {
    return /\bcategory|tag\b/i.test(e.getAttribute("rel"))
}

function anchorLooksLikeDownloadFlashLink(e) {
    return /^https?:\/\/(www\.|get\.)(adobe|macromedia)\.com\/(((products|[a-zA-Z]{1,2}|)\/flashplayer|flashplayer|go\/getflash(player)?)|(shockwave\/download\/(index|download)\.cgi\?P1_Prod_Version=ShockwaveFlash)\/?$)/i.test(e.href)
}

function elementsHaveSameTagAndClassNames(e, t) {
    return normalizedElementTagName(e) === normalizedElementTagName(t) && e.className === t.className
}

function selectorForElement(e) {
    let t = normalizedElementTagName(e);
    for (var n = e.classList, r = n.length, i = 0; i < r; i++) t += "." + n[i];
    return t
}

function elementFingerprintForDepth(e, t) {
    function n(e, t) {
        if (!e) return "";
        var o = [];
        o.push(selectorForElement(e));
        var l = e.children,
            s = l.length;
        if (s && t > 0) {
            o.push(r);
            for (var c = 0; c < s; ++c) o.push(n(l[c], t - 1)), c !== s - 1 && o.push(a);
            o.push(i)
        }
        return o.join("")
    }
    const r = " / ",
        i = " \\",
        a = " | ";
    return n(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)) {
        for (var r = e.children, i = r.length, a = t - 1, o = 0; o < i; ++o) walkElementSubtree(r[o], a, n);
        n(e, t)
    }
}

function elementIndicatesItIsASchemaDotOrgArticleContainer(e) {
    var t = e.getAttribute("itemtype");
    return /^https?:\/\/schema\.org\/((News)?Article|APIReference)$/.test(t)
}

function elementIndicatesItIsASchemaDotOrgImageObject(e) {
    var t = e.getAttribute("itemtype");
    return "https://schema.org/ImageObject" === t || "http://schema.org/ImageObject" === t
}

function elementWouldAppearBetterAsFigureOrAuxiliary(e, t) {
    const n = /caption/i;
    if (!e) return !1;
    if (t.closest("figure, .auxiliary")) return !1;
    if (elementIndicatesItIsASchemaDotOrgImageObject(e) && !t.querySelector("figure, .auxiliary")) return !0;
    var r = t.ownerDocument.createTreeWalker(t, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT, {
        acceptNode: function() {
            return NodeFilter.FILTER_ACCEPT
        }
    });
    r.currentNode = t;
    for (var i = !1, a = !1; r.nextNode();) {
        var o = r.currentNode;
        if (o.nodeType === Node.TEXT_NODE) {
            if (!i && /\S/.test(o.nodeValue)) return !1;
            continue
        }
        if (o.nodeType !== Node.ELEMENT_NODE) return !1;
        let e = normalizedElementTagName(o);
        if ("figure" === e || "table" === e) return !1;
        if (o.classList.contains("auxiliary")) return !1;
        if ("img" === e) {
            if (i) return !1;
            i = !0
        }
        var l = o.originalElement;
        a || l && !hasClassMatchingRegexp(o.originalElement, n) || !/\S/.test(o.innerText) || (a = !0)
    }
    return i && a
}

function cleanStyleAndClassList(e) {
    e.classList.length || e.removeAttribute("class"), e.getAttribute("style") || e.removeAttribute("style")
}

function getVisibleNonWhitespaceTextNodes(e, t, n, r, i) {
    function a(e) {
        var t = e.children[0];
        if (t)
            for (var n = t.children, r = n.length, i = 0; i < r; ++i)
                if ("none" !== getComputedStyle(n[i]).float) return !1;
        return !0
    }

    function o(e, r) {
        if (e.nodeType === Node.TEXT_NODE) return void(/\S/.test(e.nodeValue) && s.push(e));
        if (e.nodeType !== Node.ELEMENT_NODE) return;
        if (!isElementVisible(e)) return;
        if (n && ++l > n) return;
        if (i && i.has(e)) return;
        let u = normalizedElementTagName(e);
        if ("iframe" !== u && "form" !== u) {
            if (c.has(u)) r--;
            else if ("ul" !== u && "ol" !== u || !a(e)) {
                var m = e.parentElement;
                if (m) "section" !== normalizedElementTagName(m) || e.previousElementSibling || e.nextElementSibling || r--
            } else r--;
            var d = r + 1;
            if (d < t)
                for (var h = e.childNodes, g = h.length, f = 0; f < g; ++f) o(h[f], d)
        }
    }
    var l = 0,
        s = [];
    let c = new Set(["p", "strong", "b", "em", "i", "span", "section"]);
    return r && (c.add("center"), c.add("font")), o(e, 0), s
}

function mapOfVisibleTextNodeComputedStyleReductionToNumberOfMatchingCharacters(e, t) {
    for (var n = {}, r = getVisibleNonWhitespaceTextNodes(e, 100), i = r.length, a = 0; a < i; ++a) {
        var o = r[a],
            l = o.length,
            s = o.parentElement,
            c = t(getComputedStyle(s));
        n[c] ? n[c] += l : n[c] = l
    }
    return n
}

function keyOfMaximumValueInDictionary(e) {
    var t, n;
    for (var r in e) {
        var i = e[r];
        (!n || i > n) && (t = r, n = i)
    }
    return t
}

function elementIsProtected(e) {
    return e.classList.contains("protected") || e.querySelector(".protected")
}

function dominantFontFamilyAndSizeForElement(e) {
    return keyOfMaximumValueInDictionary(mapOfVisibleTextNodeComputedStyleReductionToNumberOfMatchingCharacters(e, (function(e) {
        return e.fontFamily + "|" + e.fontSize
    })))
}

function dominantFontSizeInPointsFromFontFamilyAndSizeString(e) {
    return e ? parseInt(e.split("|")[1]) : null
}

function canvasElementHasNoUserVisibleContent(e) {
    if (!e.width || !e.height) return !0;
    for (var t = e.getContext("2d").getImageData(0, 0, e.width, e.height).data, n = 0, r = t.length; n < r; n += 4) {
        if (t[n + 3]) return !1
    }
    return !0
}

function findArticleNodeSelectorsInQuirksListForHostname(e, t) {
    const n = [
        [AppleDotComAndSubdomainsRegex, "*[itemprop='articleBody']"],
        [/^(.+\.)?buzzfeed\.com\.?$/, "article #buzz_sub_buzz"],
        [/^(.+\.)?mashable\.com\.?$/, ".parsec-body .parsec-container"],
        [/^(.+\.)?cnet\.com\.?$/, "#rbContent.container"],
        [/^(.+\.)?engadget\.com\.?$/, "main article #page_body"],
        [/^(.*\.)?m\.wikipedia\.org\.?$/, "#content #bodyContent"],
        [/^(.*\.)?theintercept\.com\.?$/, ".PostContent"],
        [/^(.*\.)?tools\.ietf\.org\.?$/, "div.content"],
        [/^(.+\.)?meteoinfo\.ru\.?$/, "#jm-content-bottom"],
        [/^(.*\.)?tmd\.go\.th\.?$/, "#sidebar"]
    ];
    for (var r = n.length, i = 0; i < r; ++i) {
        var a = n[i];
        if (a[0].test(e.toLowerCase()))
            if (t(a[1])) return
    }
}

function functionToPreventPruningDueToInvisibilityInQuirksListForHostname(e) {
    const t = [
        [/^mobile\.nytimes\.com\.?$/, function(e, t) {
            var n = e;
            if (!t) return !1;
            for (; n && n !== t;) {
                if (n.classList.contains("hidden")) return !0;
                n = n.parentElement
            }
            return !1
        }]
    ];
    for (var n = t.length, r = 0; r < n; ++r) {
        var i = t[r];
        if (i[0].test(e.toLowerCase())) return i[1]
    }
    return null
}

function elementIsAHeader(e) {
    return !!{
        h1: 1,
        h2: 1,
        h3: 1,
        h4: 1,
        h5: 1,
        h6: 1
    } [normalizedElementTagName(e)]
}

function leafElementForElementAndDirection(e, t) {
    var n = e.ownerDocument,
        r = n.createTreeWalker(n.body, NodeFilter.SHOW_ELEMENT, {
            acceptNode: function(e) {
                return 0 === e.children.length ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_SKIP
            }
        });
    return r.currentNode = e, r[t]()
}

function previousLeafElementForElement(e) {
    return leafElementForElementAndDirection(e, "previousNode")
}

function nextLeafElementForElement(e) {
    return leafElementForElementAndDirection(e, "nextNode")
}

function nextNonFloatingVisibleElementSibling(e) {
    for (var t = e; t = t.nextElementSibling;)
        if (isElementVisible(t) && "none" === getComputedStyle(t).float) return t;
    return null
}

function elementWithLargestAreaFromElements(e) {
    var t, n = e.length;
    if (!n) return null;
    for (var r = 0, i = 0; i < n; ++i) {
        var a = e[i],
            o = cachedElementBoundingRect(a),
            l = o.width * o.height;
        l > r && (t = a, r = l)
    }
    return t
}

function unwrappedArticleContentElement(e) {
    for (var t = e;;) {
        for (var n = t.childNodes, r = n.length, i = null, a = 0; a < r; ++a) {
            var o = n[a],
                l = o.nodeType;
            if (l === Node.ELEMENT_NODE || l === Node.TEXT_NODE && !isNodeWhitespace(o)) {
                if (i) return t;
                var s = normalizedElementTagName(o);
                if ("div" !== s && "article" !== s && "section" !== s) return t;
                i = o
            }
        }
        if (!i) break;
        t = i
    }
    return t
}

function elementsMatchingClassesInClassList(e, t) {
    return elementsOfSameClassIgnoringClassNamesMatchingRegexp(e, t)
}

function elementsMatchingClassesInClassListIgnoringCommonLayoutClassNames(e, t) {
    return elementsOfSameClassIgnoringClassNamesMatchingRegexp(e, t, /clearfix/i)
}

function elementsMatchingClassesInClassListIgnoringClassesWithNumericSuffix(e, t) {
    return elementsOfSameClassIgnoringClassNamesMatchingRegexp(e, t, /\d+$/)
}

function elementsOfSameClassIgnoringClassNamesMatchingRegexp(e, t, n) {
    for (var r = "", i = e.length, a = 0; a < i; ++a) {
        var o = e[a];
        n && n.test(o) || (r += "." + o)
    }
    try {
        return t.querySelectorAll(r)
    } catch (e) {
        return []
    }
}

function imageIsContainedByContainerWithImageAsBackgroundImage(e) {
    var t = e.parentElement;
    if (!t || !t.style || !t.style.backgroundImage) return !1;
    var n = /url\((.*)\)/.exec(t.style.backgroundImage);
    return !(!n || 2 !== n.length) && n[1] === e.src
}

function pseudoElementContent(e, t) {
    var n = getComputedStyle(e, t).content,
        r = /^\"(.*)\"$/.exec(n);
    return r && 2 == r.length ? r[1] : n
}

function hasClassMatchingRegexp(e, t) {
    for (var n = e.classList, r = n.length, i = 0; i < r; ++i)
        if (t.test(n[i])) return !0;
    return !1
}

function elementLooksLikeDropCap(e) {
    return hasClassMatchingRegexp(e, DropCapRegex) && 1 === e.innerText.length
}

function changeElementType(e, t) {
    for (var n = e.ownerDocument.createElement(t), r = attributesForElement(e), i = r.length, a = 0; a < i; ++a) {
        var o = r.item(a);
        n.setAttribute(o.nodeName, o.nodeValue)
    }
    for (; e.firstChild;) n.appendChild(e.firstChild);
    return e.replaceWith(n), n
}

function pathComponentsForAnchor(e) {
    var t = e.pathname.substring(1).split("/");
    return t[t.length - 1] || t.pop(), t
}

function lastPathComponentFromAnchor(e) {
    var t = pathComponentsForAnchor(e);
    return t.length ? t[t.length - 1] : null
}

function clamp(e, t, n) {
    return Math.min(Math.max(e, t), n)
}

function normalizedElementTagName(e) {
    return e.localName
}

function childrenWithParallelStructure(e) {
    var t = e.children;
    if (!t) return [];
    var n = t.length;
    if (!n) return [];
    for (var r = {}, i = 0; i < n; ++i) {
        var a = t[i];
        if (!SetOfCandidateTagNamesToIgnore.has(normalizedElementTagName(a)) && a.className)
            for (var o = a.classList, l = o.length, s = 0; s < l; ++s) {
                (m = r[u = o[s]]) ? m.push(a): r[u] = [a]
            }
    }
    var c = Math.floor(n / 2);
    for (var u in r) {
        var m;
        if ((m = r[u]).length > c) return m
    }
    return []
}

function elementAppearsToBeCollapsed(e) {
    return !(!ReaderArticleFinderJS.isMediaWikiPage() || !/collaps/.test(e.className)) || "false" === e.getAttribute("aria-expanded") && !isElementVisible(e)
}
const ReaderMinimumScore = 1600,
    ReaderMinimumAdvantage = 15,
    ArticleMinimumScoreDensity = 4.25,
    CandidateMinimumWidthPortionForIndicatorElements = .5,
    CandidateMinumumListItemLineCount = 4,
    SetOfCandidateTagNamesToIgnore = new Set(["a", "embed", "form", "html", "iframe", "object", "ol", "option", "script", "style", "svg", "ul"]),
    PrependedArticleCandidateMinimumHeight = 50,
    AppendedArticleCandidateMinimumHeight = 200,
    AppendedArticleCandidateMaximumVerticalDistanceFromArticle = 150,
    StylisticClassNames = {
        justfy: 1,
        justify: 1,
        left: 1,
        right: 1,
        small: 1
    },
    CommentRegEx = /[Cc]omment|meta|footer|footnote|talkback/,
    CommentMatchPenalty = .75,
    ArticleRegEx = /(?:(?:^|\s)(?:(post|hentry|entry)[-_]{0,2}(?:content|text|body)?|article[-_]{0,2}(?:content|text|body|page|copy)?)(?:\s|$))/i,
    ArticleMatchBonus = .5,
    CarouselRegEx = /carousel/i,
    CarouselMatchPenalty = .75,
    SectionRegex = /section|content.*component/i,
    DropCapRegex = /first.*letter|drop.*cap/i,
    ProgressiveLoadingRegex = /progressive/i,
    DensityExcludedElementSelector = "#disqus_thread, #comments, .userComments",
    PositiveRegEx = /article|body|content|entry|hentry|page|pagination|post|related-asset|text/i,
    NegativeRegEx = /advertisement|breadcrumb|combx|comment|contact|disqus|footer|link|meta|mod-conversations|promo|related|scroll|share|shoutbox|sidebar|social|sponsor|spotim|subscribe|talkback|tags|toolbox|widget|[-_]ad$|zoom-(in|out)/i,
    VeryPositiveClassNameRegEx = /instapaper_body/,
    VeryNegativeClassNameRegEx = /instapaper_ignore/,
    SharingRegex = /email|print|rss|digg|slashdot|delicious|reddit|share|twitter|facebook|pinterest|whatsapp/i,
    VeryLiberalCommentRegex = /comment/i,
    AdvertisementHostRegex = /^adserver\.|doubleclick.net$/i,
    SidebarRegex = /sidebar/i,
    MinimumAverageDistanceBetweenHRElements = 400,
    MinimumAverageDistanceBetweenHeaderElements = 400,
    PortionOfCandidateHeightToIgnoreForHeaderCheck = .1,
    DefaultNumberOfTextNodesToCheckForLanguageMultiplier = 3,
    NumberOfCharactersPerTextNodeToEvaluateForLanguageMultiplier = 12,
    MinimumRatioOfCharactersForLanguageMultiplier = .5,
    ScoreMultiplierForChineseJapaneseKorean = 3,
    MinimumContentMediaHeight = 150,
    MinimumContentMediaWidthToArticleWidthRatio = .25,
    MaximumContentMediaAreaToArticleAreaRatio = .2,
    LinkContinueMatchRegEx = /continue/gi,
    LinkNextMatchRegEx = /next/gi,
    LinkPageMatchRegEx = /page/gi,
    LinkListItemBonus = 5,
    LinkPageMatchBonus = 10,
    LinkNextMatchBonus = 15,
    LinkContinueMatchBonus = 15,
    LinkNextOrdinalValueBase = 3,
    LinkMismatchValueBase = 2,
    LinkMatchWeight = 200,
    LinkMaxVerticalDistanceFromArticle = 200,
    LinkVerticalDistanceFromArticleWeight = 150,
    LinkCandidateXPathQuery = "descendant-or-self::*[(not(@id) or (@id!='disqus_thread' and @id!='comments')) and (not(@class) or @class!='userComments')]/a",
    LinkDateRegex = /\D(?:\d\d(?:\d\d)?[\-\/](?:10|11|12|0?[1-9])[\-\/](?:30|31|[12][0-9]|0?[1-9])|\d\d(?:\d\d)?\/(?:10|11|12|0[1-9])|(?:10|11|12|0?[1-9])\-(?:30|31|[12][0-9]|0?[1-9])\-\d\d(?:\d\d)?|(?:30|31|[12][0-9]|0?[1-9])\-(?:10|11|12|0?[1-9])\-\d\d(?:\d\d)?)\D/,
    LinkURLSearchParameterKeyMatchRegex = /(page|^p$|^pg$)/i,
    LinkURLPageSlashNumberMatchRegex = /\/.*page.*\/\d+/i,
    LinkURLSlashDigitEndMatchRegex = /\/\d+\/?$/,
    LinkURLArchiveSlashDigitEndMatchRegex = /archives?\/\d+\/?$/,
    LinkURLBadSearchParameterKeyMatchRegex = /author|comment|feed|id|nonce|related/i,
    LinkURLSemanticMatchBonus = 100,
    LinkMinimumURLSimilarityRatio = .75,
    SubheadRegex = /sub(head|title)|description|dec?k|abstract/i,
    HeaderMinimumDistanceFromArticleTop = 200,
    HeaderLevenshteinDistanceToLengthRatio = .75,
    MinimumRatioOfListItemsBeingRelatedToSharingToPruneEntireList = .5,
    FloatMinimumHeight = 130,
    ImageSizeTiny = 32,
    ToleranceForLeadingMediaWidthToArticleWidthForFullWidthPresentation = 80,
    MaximumFloatWidth = 325,
    AnchorImageMinimumWidth = 100,
    AnchorImageMinimumHeight = 100,
    MinimumHeightForImagesAboveTheArticleTitle = 50,
    MainImageMinimumWidthAndHeight = 83,
    BaseFontSize = 16,
    BaseLineHeightRatio = 1.125,
    MaximumExactIntegralValue = 9007199254740992,
    TitleCandidateDepthScoreMultiplier = .1,
    TextNodeLengthPower = 1.25,
    LazyLoadRegex = /lazy/i,
    HeaderElementsSelector = "h1, h2, h3, h4, h5, h6",
    PageType = {
        homepage: "homepage",
        searchResults: "search-results",
        article: "article"
    },
    StringSimilarityToDeclareStringsNearlyIdentical = .97,
    FindArticleMode = {
        Element: !1,
        ExistenceOfElement: !0
    },
    AppleDotComAndSubdomainsRegex = /.*\.apple\.com\.?$/,
    SchemaDotOrgArticleContainerSelector = "*[itemtype='https://schema.org/Article'], *[itemtype='https://schema.org/NewsArticle'], *[itemtype='https://schema.org/APIReference'], *[itemtype='http://schema.org/Article'], *[itemtype='http://schema.org/NewsArticle'], *[itemtype='http://schema.org/APIReference']",
    CleaningType = {
        MainArticleContent: 0,
        MetadataContent: 1,
        LeadingMedia: 2
    },
    MaximumWidthOrHeightOfImageInMetadataSection = 20;
var attributesForElement = function() {
    var e = Element.prototype.__lookupGetter__("attributes");
    return function(t) {
        return e.call(t)
    }
}();
const TweetURLRegex = /^https?:\/\/(.+\.)?twitter\.com\/.*\/status\/(.*\/)*[0-9]+\/?$/i,
    TweetIframeTitleRegex = /tweet/i,
    EmbeddedTwitterIframeSrcRegEx = /^https?:\/\/platform\.twitter\.com\/embed\/Tweet\.html/i;
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(e, t, n, r) {
    const i = "a, b, strong, i, em, u, span";
    var a = cachedElementBoundingRect(e),
        o = cachedElementBoundingRect(t.element);
    if ((r && a.height < PrependedArticleCandidateMinimumHeight || !r && a.height < AppendedArticleCandidateMinimumHeight) && e.childElementCount && e.querySelectorAll("*").length !== e.querySelectorAll(i).length) return null;
    if (r) {
        if (a.bottom > o.top) return null
    } else if (a.top < o.bottom) return null;
    if (!r && a.top - o.bottom > AppendedArticleCandidateMaximumVerticalDistanceFromArticle) return null;
    if (a.left > o.right || a.right < o.left) return null;
    if (elementLooksLikePartOfACarousel(e)) return null;
    var l = new CandidateElement(e, n);
    return l.isPrepended = r, l
}, CandidateElement.candidateIfElementIsViable = function(e, t, n) {
    var r = cachedElementBoundingRect(e),
        i = ReaderArticleFinderJS.candidateElementFilter;
    return r.width < i.minimumWidth || r.height < i.minimumHeight || r.width * r.height < i.minimumArea || !n && r.top > i.maximumTop || CandidateElement.candidateElementAdjustedHeight(e) < i.minimumHeight ? null : new CandidateElement(e, t)
}, CandidateElement.candidateElementAdjustedHeight = function(e) {
    for (var t = cachedElementBoundingRect(e), n = t.height, r = e.getElementsByTagName("form"), i = r.length, a = 0; a < i; ++a) {
        var o = cachedElementBoundingRect(r[a]);
        o.width > t.width * CandidateMinimumWidthPortionForIndicatorElements && (n -= o.height)
    }
    var l = e.querySelectorAll("ol, ul"),
        s = l.length,
        c = null;
    for (a = 0; a < s; ++a) {
        var u = l[a];
        if (!(c && c.compareDocumentPosition(u) & Node.DOCUMENT_POSITION_CONTAINED_BY)) {
            var m = u.getElementsByTagName("li"),
                d = m.length,
                h = cachedElementBoundingRect(u);
            if (d) {
                var g = h.height / d,
                    f = getComputedStyle(m[0]),
                    p = parseInt(f.lineHeight);
                if (isNaN(p)) p = fontSizeFromComputedStyle(f) * BaseLineHeightRatio;
                h.width > t.width * CandidateMinimumWidthPortionForIndicatorElements && g / p < CandidateMinumumListItemLineCount && (n -= h.height, c = u)
            } else n -= h.height
        }
    }
    return n
}, CandidateElement.prototype = {
    calculateRawScore: function() {
        for (var e = 0, t = this.textNodes, n = t.length, r = 0; r < n; ++r) e += this.rawScoreForTextNode(t[r]);
        return e
    },
    calculateElementTagNameAndAttributesScoreMultiplier: function() {
        return scoreMultiplierForElementTagNameAndAttributes(this.element)
    },
    calculateLanguageScoreMultiplier: function() {
        0 === this.languageScoreMultiplier && (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 e = 0,
            t = this.element.querySelector(DensityExcludedElementSelector);
        t && (e = t.clientWidth * t.clientHeight);
        for (var n = this.element.children || [], r = n.length, i = 0; i < r; ++i) {
            var a = n[i];
            elementIsCommentBlock(a) && (e += a.clientWidth * a.clientHeight)
        }
        var o = cachedElementBoundingRect(this.element).width * cachedElementBoundingRect(this.element).height,
            l = o * MaximumContentMediaAreaToArticleAreaRatio,
            s = cachedElementBoundingRect(this.element).width * MinimumContentMediaWidthToArticleWidthRatio,
            c = this.element.querySelectorAll("img, video"),
            u = c.length;
        for (i = 0; i < u; ++i) {
            var m = cachedElementBoundingRect(c[i]);
            if (m.width >= s && m.height > MinimumContentMediaHeight) {
                var d = m.width * m.height;
                d < l && (e += d)
            }
        }
        var h = this.basicScore(),
            g = o - e,
            f = this.textNodes.length,
            p = 0,
            E = 0;
        for (i = 0; i < f; ++i) {
            var v = this.textNodes[i].parentNode;
            v && (E += fontSizeFromComputedStyle(getComputedStyle(v)), p++)
        }
        var N = BaseFontSize;
        return p && (N = E /= p), this.calculateLanguageScoreMultiplier(), h / g * 1e3 * (N / BaseFontSize) * this.languageScoreMultiplier
    },
    usableTextNodesInElement: function(e) {
        var t = [];
        if (!e) return t;
        const n = new Set(["a", "dd", "dt", "noscript", "ol", "option", "pre", "script", "style", "td", "ul", "iframe"]);
        var r = this.contentDocument,
            i = function(e) {
                const i = "text()|*/text()|*/a/text()|*/li/text()|*/li/p/text()|*/span/text()|*/em/text()|*/i/text()|*/strong/text()|*/b/text()|*/font/text()|blockquote/*/text()|div[count(./p)=count(./*)]/p/text()|div[count(*)=1]/div/p/text()|div[count(*)=1]/div/p/*/text()|div/div/text()";
                for (var a = r.evaluate(i, e, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null), o = a.snapshotLength, l = 0; l < o; ++l) {
                    var s = a.snapshotItem(l);
                    n.has(normalizedElementTagName(s.parentNode)) || s._countedTextNode || isNodeWhitespace(s) || (s._countedTextNode = !0, t.push(s))
                }
            };
        i(e);
        for (var a = childrenWithParallelStructure(e), o = a.length, l = 0; l < o; ++l) {
            i(a[l])
        }
        var s = t.length;
        for (l = 0; l < s; ++l) delete t[l]._countedTextNode;
        return t
    },
    addTextNodesFromCandidateElement: function(e) {
        for (var t = this.textNodes.length, n = 0; n < t; ++n) this.textNodes[n].alreadyCounted = !0;
        var r = e.textNodes,
            i = r.length;
        for (n = 0; n < i; ++n) r[n].alreadyCounted || this.textNodes.push(r[n]);
        for (t = this.textNodes.length, n = 0; n < t; ++n) this.textNodes[n].alreadyCounted = null;
        this.rawScore = this.calculateRawScore()
    },
    rawScoreForTextNode: function(e) {
        const t = 20;
        if (!e) return 0;
        var n = e.length;
        if (n < t) return 0;
        var r = e.parentNode;
        if (!isElementVisible(r)) return 0;
        for (var i = 1; r && r !== this.element;) i -= .1, r = r.parentNode;
        return Math.pow(n * i, TextNodeLengthPower)
    },
    shouldDisqualifyDueToScoreDensity: function() {
        return this.scoreDensity() < ArticleMinimumScoreDensity
    },
    shouldDisqualifyDueToHorizontalRuleDensity: function() {
        for (var e = this.element.getElementsByTagName("hr"), t = e.length, n = 0, r = cachedElementBoundingRect(this.element), i = .7 * r.width, a = 0; a < t; ++a) e[a].clientWidth > i && n++;
        if (n && r.height / n < MinimumAverageDistanceBetweenHRElements) return !0;
        return !1
    },
    shouldDisqualifyDueToHeaderDensity: function() {
        var e = "(h1|h2|h3|h4|h5|h6|*/h1|*/h2|*/h3|*/h4|*/h5|*/h6)[a[@href]]",
            t = this.contentDocument.evaluate(e, this.element, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null),
            n = t.snapshotLength;
        if (n > 2) {
            for (var r = 0, i = cachedElementBoundingRect(this.element), a = i.height * PortionOfCandidateHeightToIgnoreForHeaderCheck, o = 0; o < n; ++o) {
                var l = t.snapshotItem(o);
                if ("#" !== l.querySelector("a[href]").getAttribute("href").substring(0, 1)) {
                    var s = cachedElementBoundingRect(l);
                    s.top - i.top > a && i.bottom - s.bottom > a && r++
                }
            }
            if (i.height / r < MinimumAverageDistanceBetweenHeaderElements) return !0
        }
        return !1
    },
    shouldDisqualifyDueToSimilarElements: function(e) {
        function t(e, t) {
            if (!e || !t) return !1;
            var n = 1;
            return e.className ? e.className === t.className : elementFingerprintForDepth(e, n) === elementFingerprintForDepth(t, n)
        }
        var n = function(e) {
                const t = /related-posts/i;
                for (var n = e.parentElement; n && n !== this.contentDocument.body; n = n.parentElement)
                    if (t.test(n.className)) return !0;
                return !1
            }.bind(this),
            r = this.element;
        if ("article" === normalizedElementTagName(r.parentElement)) return !1;
        let i = normalizedElementTagName(r);
        if ("li" === i || "dd" === i)
            for (var a = r.parentNode, o = a.children.length, l = 0; l < o; ++l) {
                if (normalizedElementTagName(f = a.children[l]) === i && f.className === r.className && f !== r) return !0
            }
        var s = r.classList;
        if (s.length || (r = r.parentElement) && ((s = r.classList).length || (r = r.parentElement) && (s = r.classList)), s.length) {
            e || (e = []);
            var c = e.length;
            for (l = 0; l < c; ++l) e[l].element.candidateElement = e[l];
            var u = elementsMatchingClassesInClassListIgnoringCommonLayoutClassNames(s, this.contentDocument),
                m = !1,
                d = elementDepth(r),
                h = n(r),
                g = u.length;
            for (l = 0; l < g; ++l) {
                var f;
                if ((f = u[l]) !== r && (f.parentElement !== r && r.parentElement !== f && isElementVisible(f))) {
                    var p = f.candidateElement;
                    if ((p || (p = new CandidateElement(f, this.contentDocument))) && p.basicScore() * ReaderMinimumAdvantage > this.basicScore()) {
                        if (f.closest("section") && r.closest("section")) return !1;
                        if (SectionRegex.test(f.className) && SectionRegex.test(r.className)) return !1;
                        if (n(f) && !h) return !1;
                        if (!m && cachedElementBoundingRect(f).bottom < cachedElementBoundingRect(this.element).top) {
                            m = !0;
                            continue
                        }
                        if (t(r.previousElementSibling, f.previousElementSibling) || t(r.nextElementSibling, f.nextElementSibling)) {
                            var E = r.querySelector(HeaderElementsSelector),
                                v = f.querySelector(HeaderElementsSelector);
                            if (E && v && elementsHaveSameTagAndClassNames(E, v)) return !0;
                            if (E = r.previousElementSibling, v = f.previousElementSibling, E && v && elementIsAHeader(E) && elementIsAHeader(v) && elementsHaveSameTagAndClassNames(E, v)) return !0
                        }
                        if (elementDepth(f) === d)
                            for (; f.parentElement && r.parentElement && f.parentElement !== r.parentElement;) f = f.parentElement, r = r.parentElement;
                        for (; r.childElementCount <= 1;) {
                            if (!r.childElementCount || !f.childElementCount) return !1;
                            if (f.childElementCount > 1) return !1;
                            if (normalizedElementTagName(r.firstElementChild) !== normalizedElementTagName(f.firstElementChild)) return !1;
                            r = r.firstElementChild, f = f.firstElementChild
                        }
                        if (f.childElementCount <= 1) return !1;
                        v = f.firstElementChild;
                        var N = f.lastElementChild,
                            A = (E = r.firstElementChild, r.lastElementChild);
                        if (normalizedElementTagName(v) !== normalizedElementTagName(E)) return !1;
                        if (normalizedElementTagName(N) !== normalizedElementTagName(A)) return !1;
                        var S = v.className,
                            C = N.className,
                            b = E.className,
                            T = N.className,
                            y = T === b ? 2 : 1;
                        if (S.length || b.length) {
                            if (!S.length || !b.length) return !1;
                            if (S === b && elementsMatchingClassesInClassList(E.classList, r).length <= y) return !0
                        }
                        if (C.length || T.length) {
                            if (!C.length || !T.length) return !1;
                            if (C === T && elementsMatchingClassesInClassList(N.classList, r).length <= y) return !0
                        }
                        var x = E.clientHeight,
                            R = A.clientHeight;
                        return !(!x || !v.clientHeight) && (!(!R || !N.clientHeight) && (x === v.clientHeight || R === N.clientHeight))
                    }
                }
            }
            for (l = 0; l < c; ++l) e[l].element.candidateElement = null
        }
        return !1
    },
    shouldDisqualifyForDeepLinking: function() {
        const e = 5;
        for (var t = this.element, n = this.contentDocument.location, r = pathComponentsForAnchor(n).length, i = [], a = t.getElementsByTagName("a"), o = a.length, l = 0; l < o; l++) {
            var s = a[l];
            if (n.host === s.host && !(pathComponentsForAnchor(s).length <= r || 0 !== (s.host + s.pathname).indexOf(n.host + n.pathname) || anchorLinksToAttachment(s) || (i.push(s), i.length < e))) {
                var c = t.offsetTop + t.offsetHeight / e;
                return i[0].offsetTop < c
            }
        }
        return !1
    }
}, String.prototype.lastInteger = function() {
    const e = /[0-9]+/g;
    var t = this.match(e);
    return t ? parseInt(t[t.length - 1]) : NaN
};
ReaderArticleFinder = function(e) {
    this.contentDocument = e, this.didSearchForArticleNode = !1, this.didChangeContentDocumentToFrameOnPage = !1, this.article = null, this.didSearchForExtraArticleNode = !1, this.extraArticle = null, this._leadingMediaElement = null, this._isMediaWikiPage = void 0, this._cachedScrollY = 0, this._cachedScrollX = 0, this._elementsWithCachedBoundingRects = [], this._cachedContentTextStyle = null, this.pageNumber = 1, this.prefixWithDateForNextPageURL = null, this.previouslyDiscoveredPageURLStrings = [], this.candidateElementFilter = {
        minimumWidth: 280,
        minimumHeight: 295,
        minimumArea: 17e4,
        maxTop: 1300
    };
    let t = 0;
    this._nextUniqueID = function() {
        return t++ + ""
    }, this._mapOfUniqueIDToOriginalElement = new Map, this._weakMapOfOriginalElementToUniqueID = new WeakMap
}, ReaderArticleFinder.prototype = {
    setCandidateElementFilter: function(e) {
        let [t, n] = this._validityAndValidCandidateElementFilterFromFilter(e);
        t && (this.candidateElementFilter = n)
    },
    _validityAndValidCandidateElementFilterFromFilter: function(e) {
        let t = {},
            n = !1;
        for (let i of ["minimumWidth", "minimumHeight", "minimumArea", "maxTop"]) {
            let r = (e || {})[i];
            if (void 0 === r || "number" != typeof r || r < 0) {
                t = {}, n = !1;
                break
            }
            t[i] = r, n = !0
        }
        return [n, t]
    },
    pointsForDominantIframeHitTest: function() {
        const e = 60;
        return [
            [e, e],
            [window.innerWidth - e, e],
            [e, window.innerHeight - e],
            [window.innerWidth - e, window.innerHeight - e]
        ]
    },
    dominantContentIframe: function() {
        let e, t = this.pointsForDominantIframeHitTest(),
            n = t.length;
        for (let i = 0; i < n; i++) {
            if (cornerElement = document.elementFromPoint(t[i][0], t[i][1]), !cornerElement || "IFRAME" !== cornerElement.tagName) return null;
            if (e) {
                if (e !== cornerElement) return null
            } else e = cornerElement
        }
        return e
    },
    checkForIframeCoveringMostOfWebpage: function() {
        let e = this.dominantContentIframe();
        e && !this.didChangeContentDocumentToFrameOnPage && (this.contentDocument = e.contentDocument, this.resetArticleInformation(), this.didChangeContentDocumentToFrameOnPage = !0)
    },
    isReaderModeAvailable: function() {
        return this.checkForIframeCoveringMostOfWebpage(), !!this.findArticleBySearchingQuirksList() || (this.cacheWindowScrollPosition(), !!this.findArticleFromMetadata(FindArticleMode.ExistenceOfElement) || (this.article = this.findArticleByVisualExamination(), this.article && this.articleIsLTR(), !!this.article))
    },
    resetArticleInformation: function() {
        this.didSearchForArticleNode = !1, this.didSearchForExtraArticleNode = !1, delete this.article, delete this.extraArticle, delete this._articleTitleInformation, delete this._articleTitleElement, delete this._leadingMediaElement, delete this._cachedContentTextStyle, delete this._adoptableArticle, delete this._articleIsLTR, delete this._nextPageURL, delete this._cachedScrollY, delete this._cachedScrollX, clearCachedElementBoundingRects()
    },
    reset: function() {
        this.resetArticleInformation(), this.prepareToTransitionToReader()
    },
    prepareToTransitionToReader: function() {
        this.adoptableArticle(!0), this.nextPageURL(), this.articleIsLTR()
    },
    nextPageURL: function() {
        if (!this._nextPageURL) {
            var e = this.nextPageURLString();
            "undefined" != typeof ReaderArticleFinderJSController && e && (e = ReaderArticleFinderJSController.substituteURLForNextPageURL(e)), this._nextPageURL = e
        }
        return this._nextPageURL
    },
    containerElementsForMultiPageContent: function() {
        const e = /(.*page[^0-9]*|.*article.*item[^0-9]*)(\d{1,2})(.*)/i,
            t = 3;
        for (var n, i = [], r = this.articleNode(), a = 0; !(n = e.exec(r.getAttribute("id")));)
            if (!(r = r.parentElement) || a++ === t) return [];
        for (var l = childrenOfParentElement(r), o = l.length, s = 0; s < o; ++s) {
            var c = l[s];
            if (c !== r) {
                var m = e.exec(c.getAttribute("id"));
                m && m[1] === n[1] && m[3] === n[3] && (isElementVisible(c) && !isElementPositionedOffScreen(c) || i.push(c))
            }
        }
        return i
    },
    adoptableMultiPageContentElements: function() {
        return this.containerElementsForMultiPageContent().map((function(e) {
            return this.cleanArticleNode(e, e.cloneNode(!0), CleaningType.MainArticleContent, !1)
        }), this)
    },
    classNameIsSignificantInRouteComputation: function(e) {
        return !!e && !(e.toLowerCase() in StylisticClassNames)
    },
    shouldIgnoreInRouteComputation: function(e) {
        let t = normalizedElementTagName(e);
        return "script" === t || "link" === t || "style" === t || "tr" === t && !e.offsetHeight
    },
    routeToArticleNode: function() {
        for (var e = [], t = this.articleNode(); t;) {
            var n = {};
            n.tagName = normalizedElementTagName(t);
            var i = t.getAttribute("id");
            i && (n.id = i), this.classNameIsSignificantInRouteComputation(t.className) && (n.className = t.className), n.index = 1;
            for (var r = t.previousElementSibling; r; r = r.previousElementSibling) this.shouldIgnoreInRouteComputation(r) || n.index++;
            e.unshift(n), t = t.parentElement
        }
        return e
    },
    adjustArticleNodeUpwardIfNecessary: function() {
        if (!this.article) return;
        var e = this.article.element;
        if (!e.parentElement) return;
        for (var t = e; t; t = t.parentElement)
            if (VeryPositiveClassNameRegEx.test(t.className)) return void(this.article.element = t);
        if ("header" === normalizedElementTagName(e) && "article" === normalizedElementTagName(e.parentElement)) return void(this.article.element = e.parentElement);
        var n = e.previousElementSibling;
        if (n && "figure" === normalizedElementTagName(n) && "article" === normalizedElementTagName(e.parentElement)) return void(this.article.element = e.parentElement);
        var i = "section" === normalizedElementTagName(e) ? e : nearestAncestorElementWithTagName(e, "section", ["article"]);
        if (i) {
            var r = i.parentElement,
                a = function() {
                    for (var e = r.children, t = e.length, n = 0; n < t; ++n) {
                        var a = e[n],
                            l = normalizedElementTagName(a);
                        if (a !== i && ("section" === l || "header" === l)) return !0
                    }
                    return !1
                }();
            if (a && (/\barticleBody\b/.test(r.getAttribute("itemprop")) || "main" === normalizedElementTagName(r) || "main" === r.getAttribute("role") || "article" === normalizedElementTagName(r) || r === this.contentDocument.body || r.classList.contains("entry-content"))) return void(this.article.element = r)
        }
        const l = /intro/i,
            o = /body|content/i;
        if (e = this.article.element, l.test(e.className) && e.nextElementSibling && o.test(e.nextElementSibling.className) || o.test(e.className) && e.previousElementSibling && l.test(e.previousElementSibling.className)) return void(this.article.element = e.parentElement);
        if ("article" !== normalizedElementTagName(e)) {
            var s = e.parentElement.closest("*[itemprop='articleBody']");
            if (s && s.parentElement.closest(SchemaDotOrgArticleContainerSelector)) return void(this.article.element = s)
        }
        var c = e.closest("article");
        if (c) {
            e = unwrappedArticleContentElement(e);
            var m, d = elementDepth(e);
            "p" !== normalizedElementTagName(e) || e.className || (e = e.parentElement, d--), e.classList.length ? 1 === (m = elementsMatchingClassesInClassListIgnoringCommonLayoutClassNames(e.classList, this.contentDocument)).length && (m = elementsMatchingClassesInClassListIgnoringClassesWithNumericSuffix(e.classList, this.contentDocument)) : m = e.parentElement.children;
            for (var h = m.length, u = 0; u < h; ++u) {
                var f = m[u];
                if (e !== f && d === elementDepth(f) && (isElementVisible(f) && !f.querySelector("article") && Object.keys(e.dataset).join() === Object.keys(f.dataset).join() && dominantFontFamilyAndSizeForElement(e) === dominantFontFamilyAndSizeForElement(f))) return void(this.article.element = c)
            }
        }
        let g = this.findExtraArticle(),
            p = g ? g.element : null;
        if (p && p.parentElement && e.parentElement === p.parentElement && ArticleRegEx.test(e.parentElement.className)) {
            if (dominantFontFamilyAndSizeForElement(e) === dominantFontFamilyAndSizeForElement(p)) return void(this.article.element = e.parentElement)
        }
        let E = e.parentElement;
        if (elementIsCommentBlock(e) && !elementIsCommentBlock(E) && ArticleRegEx.test(E.className)) {
            let e = CandidateElement.candidateIfElementIsViable(E, this.contentDocument, !0);
            if (e && e.finalScore() >= ReaderMinimumScore) return void(this.article.element = E)
        }
        if (!(e = this.article.element).getAttribute("id") && e.className) {
            var v = normalizedElementTagName(e),
                T = e.className,
                y = e.parentElement;
            if (y)
                for (var A = y.children, S = (u = 0, A.length); u < S; ++u) {
                    var N = A[u];
                    if (N !== e && (normalizedElementTagName(N) === v && N.className === T)) {
                        var b = CandidateElement.candidateIfElementIsViable(N, this.contentDocument, !0);
                        if (b && !(b.finalScore() < ReaderMinimumScore)) return void(this.article.element = y)
                    }
                }
        }
    },
    findArticleBySearchingQuirksList: function() {
        var e, t = this.contentDocument;
        return findArticleNodeSelectorsInQuirksListForHostname(t.location.hostname, (function(n) {
            var i = t.querySelectorAll(n);
            if (1 === i.length) return e = new CandidateElement(i[0], t), !0
        })), e
    },
    articleNode: function(e) {
        return this.checkForIframeCoveringMostOfWebpage(), this.didSearchForArticleNode || (this.article = this.findArticleBySearchingQuirksList(), this.article || (this.article = this.findArticleBySearchingAllElements()), this.article || (this.article = this.findArticleByVisualExamination()), this.article || (this.article = this.findArticleFromMetadata()), !this.article && e && (this.article = this.findArticleBySearchingAllElements(!0)), this.didSearchForArticleNode = !0, this.adjustArticleNodeUpwardIfNecessary(), this.article && (this.article.element = unwrappedArticleContentElement(this.article.element)), 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 = contentTextStyleForNode(this.contentDocument, this.articleNode()), this._cachedContentTextStyle || (this._cachedContentTextStyle = getComputedStyle(this.articleNode()))), this._cachedContentTextStyle
    },
    commaCountIsLessThan: function(e, t) {
        for (var n = 0, i = e.textContent, r = -1; n < t && (r = i.indexOf(",", r + 1)) >= 0;) n++;
        return n < t
    },
    calculateLinkDensityForPruningElement: function(e, t) {
        var n = removeWhitespace(e.textContent).length;
        if (!n) return 0;
        for (var i = this.article.element, r = function() {
                for (var t = e.originalElement; t && t !== i; t = t.parentElement)
                    if ("none" !== getComputedStyle(t).float) return t;
                return null
            }(), a = e.getElementsByTagName("a"), l = 0, o = a.length, s = 0; s < o; ++s) {
            var c = a[s];
            !r && c.href && t && t === dominantFontFamilyAndSizeForElement(c.originalElement) || (l += removeWhitespace(c.textContent).length)
        }
        return l / n
    },
    shouldPruneElement: function(e, t, n) {
        const i = .33,
            r = .5,
            a = .2,
            l = 25,
            o = 4e4;
        let s = normalizedElementTagName(e);
        if (!e.parentElement) return !1;
        if (t.classList.contains("footnotes")) return !1;
        if (e.querySelector(".tweet-wrapper")) return !1;
        if ("figure" === normalizedElementTagName(e.parentElement) && e.querySelector("img")) return !1;
        if ("iframe" === s) return shouldPruneIframe(e);
        if ("canvas" !== s) {
            for (var c = !1, m = e.childNodes.length, d = 0; d < m; ++d) {
                var h = e.childNodes[d],
                    u = h.nodeType;
                if (u === Node.ELEMENT_NODE || u === Node.TEXT_NODE && !isNodeWhitespace(h)) {
                    c = !0;
                    break
                }
            }
            if (!c) {
                if ("p" === s) {
                    var f = e.previousSibling,
                        g = e.nextSibling;
                    if (f && f.nodeType === Node.TEXT_NODE && !isNodeWhitespace(f) && g && g.nodeType === Node.TEXT_NODE && !isNodeWhitespace(g)) return !1
                }
                return !0
            }
            if ("p" === s) return !1
        }
        if ("canvas" === s) return window.innerWidth === t.width && window.innerHeight === t.height || (!(!ProgressiveLoadingRegex.test(t.className) || "img" !== normalizedElementTagName(t.nextElementSibling)) || (!!canvasElementHasNoUserVisibleContent(t) || "cufon" === normalizedElementTagName(e.parentNode)));
        if (e.closest("figure") && e.querySelector("picture")) return !1;
        var p = 0;
        if (t) {
            if (VeryNegativeClassNameRegEx.test(t.className)) return !0;
            var E = t.className,
                v = t.getAttribute("id");
            PositiveRegEx.test(E) && p++, PositiveRegEx.test(v) && p++, NegativeRegEx.test(E) && p--, NegativeRegEx.test(v) && p--
        }
        let T = this.isMediaWikiPage();
        if (p < 0 && !T) return !0;
        if (elementIsProtected(e)) return !1;
        if ("ul" === s || "ol" === s) {
            if (t.querySelector("iframe") && t.querySelector("script")) return !0;
            var y = t.children,
                A = y.length;
            if (!A && !/\S/.test(e.innerText)) return !0;
            var S = 0,
                N = 0;
            for (d = 0; d < A; ++d) {
                var b = y[d];
                if (SharingRegex.test(b.className)) S++;
                else {
                    var x = b.children;
                    1 === x.length && SharingRegex.test(x[0].className) && S++
                }
                NegativeRegEx.test(y[d].className) && N++
            }
            return S / A >= MinimumRatioOfListItemsBeingRelatedToSharingToPruneEntireList || N / A >= MinimumRatioOfListItemsBeingRelatedToSharingToPruneEntireList
        }
        if (1 === e.childElementCount) {
            var C = e.firstElementChild;
            if ("a" === normalizedElementTagName(C)) return !1;
            if ("span" === normalizedElementTagName(C) && "converted-anchor" === C.className && nearestAncestorElementWithTagName(C, "table")) return !1
        }
        var D = e.getElementsByTagName("img"),
            I = D.length;
        if (I) {
            var M = 0;
            for (d = 0; d < I; ++d) {
                var L = D[d].originalElement;
                if (isElementVisible(L)) {
                    var w = cachedElementBoundingRect(L);
                    M += w.width / I * (w.height / I)
                }
            }
            if (M > o) return !1
        }
        if (!this.commaCountIsLessThan(e, 10)) return !1;
        var R = e.getElementsByTagName("p").length,
            F = e.getElementsByTagName("br").length,
            _ = R + Math.floor(F / 2);
        if (I > _ && "table" !== s) return !0;
        if (!e.closest("table") && !e._originalElementDepthInCollapsedArea && !T) {
            if (e.getElementsByTagName("li").length > _ && dominantFontFamilyAndSizeForElement(t.querySelector("li")) !== n) return !0;
            if (e.textContent.length < l && 1 !== I) return !0;
            let i = this.calculateLinkDensityForPruningElement(e, n);
            if (p >= 1 && i > r) return !0;
            if (p < 1 && i > a) return !0
        }
        if (e.getElementsByTagName("input").length / _ > i) return !0;
        if ("table" === s) {
            if (removeWhitespace(e.innerText).length <= .5 * removeWhitespace(t.innerText).length) return !0;
            if (T && t.classList.contains("toc")) return !0
        }
        return !1
    },
    wordCountIsLessThan: function(e, t) {
        for (var n = 0, i = e.textContent, r = -1;
            (r = i.indexOf(" ", r + 1)) >= 0 && n < t;) n++;
        return n < t
    },
    leadingMediaIsAppropriateWidth: function(e) {
        return !(!this.article || !e) && e.getBoundingClientRect().width >= this.article.element.getBoundingClientRect().width - ToleranceForLeadingMediaWidthToArticleWidthForFullWidthPresentation
    },
    newDivFromNode: function(e) {
        var t = this.contentDocument.createElement("div");
        return e && (t.innerHTML = e.innerHTML), t
    },
    headerElement: function() {
        if (!this.article) return null;
        var e = this.article.element.previousElementSibling;
        if (e && "header" === normalizedElementTagName(e)) return e;
        var t = this._articleTitleElement;
        if (!t) return null;
        var n = t.parentElement;
        if (n && "header" === normalizedElementTagName(n) && !this.article.element.contains(n))
            for (var i = n.querySelectorAll("img"), r = i.length, a = 0; a < r; ++a) {
                var l = i[a],
                    o = cachedElementBoundingRect(l);
                if (o.width >= MainImageMinimumWidthAndHeight && o.height >= MainImageMinimumWidthAndHeight) return n
            }
        return null
    },
    adoptableLeadingMedia: function() {
        if (!this.article || !this._leadingMediaElement || !this.leadingMediaIsAppropriateWidth(this._leadingMediaElement)) return null;
        var e = this._leadingMediaElement.closest("figure");
        if (e) return this.cleanArticleNode(e, e.cloneNode(!0), CleaningType.LeadingMedia, !0);
        if ("img" !== normalizedElementTagName(this._leadingMediaElement)) return this.cleanArticleNode(this._leadingMediaElement, this._leadingMediaElement.cloneNode(!0), CleaningType.LeadingMedia, !0);
        const t = 5,
            n = /credit/,
            i = /caption/,
            r = /src|alt/;
        var a = this._leadingMediaElement.parentNode,
            l = null,
            o = null,
            s = a.children.length;
        if ("div" === normalizedElementTagName(a) && s > 1 && s < t)
            for (var c = a.cloneNode(!0).querySelectorAll("p, div"), m = c.length, d = 0; d < m; ++d) {
                var h = c[d];
                n.test(h.className) ? l = h.cloneNode(!0) : i.test(h.className) && (o = h.cloneNode(!0))
            }
        var u = this._leadingMediaElement.cloneNode(!1),
            f = lazyLoadingImageURLForElement(u, u.className);
        f && u.setAttribute("src", f), !f && u.hasAttribute("src") || !u.hasAttribute("data-srcset") || u.setAttribute("srcset", u.getAttribute("data-srcset"));
        var g = attributesForElement(u);
        for (d = 0; d < g.length; ++d) {
            var p = g[d].nodeName;
            r.test(p) || (u.removeAttribute(p), d--)
        }
        var E = this.contentDocument.createElement("div");
        if (E.className = "leading-image", E.appendChild(u), l) {
            var v = this.newDivFromNode(l);
            v.className = "credit", E.appendChild(v)
        }
        if (o) {
            var T = this.newDivFromNode(o);
            T.className = "caption", E.appendChild(T)
        }
        return E
    },
    articleBoundingRect: function() {
        return this._articleBoundingRect || (this._articleBoundingRect = cachedElementBoundingRect(this.article.element)), this._articleBoundingRect
    },
    adoptableArticle: function(e) {
        if (this._adoptableArticle) return this._adoptableArticle.cloneNode(!0);
        clearCachedElementBoundingRects(), this.cacheWindowScrollPosition();
        var t = this.articleNode(e);
        if (this._adoptableArticle = t ? t.cloneNode(!0) : null, !this._adoptableArticle) return this._adoptableArticle;
        if (this._adoptableArticle = this.cleanArticleNode(t, this._adoptableArticle, CleaningType.MainArticleContent, !1), "p" === normalizedElementTagName(this._adoptableArticle)) {
            var n = document.createElement("div");
            n.appendChild(this._adoptableArticle), this._adoptableArticle = n
        }
        var i = this.extraArticleNode();
        if (i) {
            var r = this.cleanArticleNode(i, i.cloneNode(!0), CleaningType.MainArticleContent, !0);
            r ? this.extraArticle.isPrepended ? this._adoptableArticle.insertBefore(r, this._adoptableArticle.firstChild) : this._adoptableArticle.appendChild(r) : i = null;
            var a = cachedElementBoundingRect(this.article.element),
                l = cachedElementBoundingRect(this.extraArticle.element),
                o = {
                    top: Math.min(a.top, l.top),
                    right: Math.max(a.right, l.right),
                    bottom: Math.max(a.bottom, l.bottom),
                    left: Math.min(a.left, l.left)
                };
            o.width = o.right - o.left, o.height = o.bottom - o.top, this._articleBoundingRect = o
        }
        this._articleTextContent = this._adoptableArticle.innerText;
        var s = this.headerElement();
        if (this._leadingMediaElement && (!s || !s.contains(this._leadingMediaElement))) {
            var c = this.adoptableLeadingMedia();
            c && this._adoptableArticle.insertBefore(c, this._adoptableArticle.firstChild)
        }
        var m = !!s;
        if (m && i && (i === s && (m = !1), m)) {
            var d = i.compareDocumentPosition(s);
            (d & Node.DOCUMENT_POSITION_CONTAINS || d & Node.DOCUMENT_POSITION_CONTAINED_BY) && (m = !1)
        }
        if (m) {
            var h = this.cleanArticleNode(s, s.cloneNode(!0), CleaningType.MainArticleContent, !0);
            h && this._adoptableArticle.insertBefore(h, this._adoptableArticle.firstChild)
        }
        return this._adoptableArticle
    },
    dominantContentSelectorAndDepth: function(e) {
        var t, n = {},
            i = {};
        walkElementSubtree(e, 2, (function(e, t) {
            if (isElementVisible(e)) {
                var r = selectorForElement(e) + " | " + t;
                i[r] ? i[r] += 1 : (i[r] = 1, n[r] = e)
            }
        }));
        var r = arrayOfKeysAndValuesOfObjectSortedByValueDescending(i);
        switch (r.length) {
            case 0:
                break;
            case 1:
                t = r[0].key;
                break;
            default:
                var a = r[0];
                a.value > r[1].value && (t = a.key)
        }
        if (!t) return null;
        var l = n[t];
        return {
            selector: selectorForElement(l),
            depth: depthOfElementWithinElement(l, e)
        }
    },
    functionToPreventPruningElementDueToInvisibility: function() {
        return functionToPreventPruningDueToInvisibilityInQuirksListForHostname(this.contentDocument.location.hostname) || function() {
            return !1
        }
    },
    cleanArticleNode: function(e, t, n, i) {
        function r(e) {
            v += e, T && (T += e), y && (y += e), A && (A += e), S && (S += e), N && (N += e)
        }

        function a() {
            1 === T && (T = 0), 1 === y && (y = 0), 1 === A && (A = 0), 1 === S && (S = 0), 1 === N && (N = 0)
        }

        function l() {
            const t = .8;
            var n = cachedElementBoundingRect(e);
            if (0 === n.width || 0 === n.height) return !0;
            var i, r = childrenWithParallelStructure(e),
                a = r.length;
            if (a) {
                i = [];
                for (var l = 0; l < a; ++l) {
                    var o = r[l];
                    if ("none" === getComputedStyle(o).float)
                        for (var s = o.children, c = s.length, m = 0; m < c; ++m) i.push(s[m]);
                    else i.push(o)
                }
            } else i = e.children;
            var d = i.length,
                h = 0;
            for (l = 0; l < d; ++l) {
                var u = i[l];
                "none" !== getComputedStyle(u).float && (h += u.innerText.length)
            }
            return h / e.innerText.length > t
        }

        function o(t) {
            const n = 50;
            if (cachedElementBoundingRect(t).height > n) return !1;
            return !!new Set(["ul", "li", "nav"]).has(normalizedElementTagName(t)) || t.parentElement === e && !t.nextElementSibling
        }

        function s(e, t) {
            const n = .9;
            return !(cachedElementBoundingRect(e).height > n * cachedElementBoundingRect(t).height)
        }

        function c(e, t) {
            const n = 1.1,
                i = 1.4;
            t && H && (e.matches(HeaderElementsSelector) || (t > i * H || V.test(b.className) && t > n * H) && !e.closest(".pullquote") && (e.classList.add("pullquote"), e.classList.contains("float") || (e.style.width = null, cleanStyleAndClassList(e))))
        }

        function m(e, t) {
            for (var n = e[t]; n; n = n[t])
                if (!isNodeWhitespace(n) && n.nodeType !== Node.COMMENT_NODE) return !1;
            return !0
        }
        const d = new Set(["form", "script", "style", "link", "button", "object", "embed", "applet"]),
            h = new Set(["div", "table", "ul", "canvas", "p", "iframe", "aside", "section", "footer", "nav", "ol", "menu", "svg"]),
            u = new Set(["i", "em"]),
            f = new Set(["b", "strong", "h1", "h2", "h3", "h4", "h5", "h6"]),
            g = new Set(["i-amphtml-sizer"]),
            p = /lightbox/i;
        var E = [],
            v = 0,
            T = 0,
            y = 0,
            A = 0,
            S = 0,
            N = 0,
            b = e,
            x = b.ownerDocument.defaultView,
            C = t,
            D = this.articleTitle(),
            I = this._articleTitleElement,
            M = (this.articleSubhead(), this._articleSubheadElement),
            L = I && cachedElementBoundingRect(I).top > cachedElementBoundingRect(e).bottom,
            w = isElementVisible(e),
            R = new Set([I, M]),
            F = new Set;
        if (n === CleaningType.MainArticleContent) {
            this.updateArticleBylineAndDateElementsIfNecessary();
            var _ = this.articleBylineElement();
            _ && F.add(_);
            var O = this.articleDateElement();
            O && F.add(O)
        }
        var P = this.dominantContentSelectorAndDepth(e),
            B = l(),
            k = new Set;
        this.previouslyDiscoveredPageURLStrings.forEach((function(e) {
            k.add(e)
        }));
        var q = this.nextPageURL();
        q && k.add(q);
        var z = null;
        this._articleTitleElement && (z = cachedElementBoundingRect(this._articleTitleElement));
        var W = this.functionToPreventPruningElementDueToInvisibility(),
            U = dominantFontFamilyAndSizeForElement(e),
            H = dominantFontSizeInPointsFromFontFamilyAndSizeString(U);
        const V = /pull(ed)?quote/i;
        for (var j = [], G = [], X = [], Y = [], K = []; b;) {
            try {
                var Q, J = null,
                    $ = normalizedElementTagName(C),
                    Z = !1,
                    ee = elementLooksLikeDropCap(b);
                if (C.originalElement = b, !N && elementAppearsToBeCollapsed(b) && (N = 1), (d.has($) || this.isAMPPage() && g.has($)) && (J = C), !J && b !== e && R.has(b) ? J = C : !J && b !== e && F.has(b) ? (C.parentElementBeforePruning = C.parentElement, J = C, j.push(C)) : elementIsAHeader(C) && previousLeafElementForElement(b) === I && C.classList.add("protected"), "twitter-widget" === $ && C.classList.add("protected"), !J && ("h1" === $ || "h2" === $))
                    if (b.offsetTop - e.offsetTop < HeaderMinimumDistanceFromArticleTop) {
                        var te = trimmedInnerTextIgnoringTextTransform(b),
                            ne = te.length * HeaderLevenshteinDistanceToLengthRatio;
                        levenshteinDistance(D, te) <= ne && (J = C)
                    } if (J || this.isMediaWikiPage() && /editsection|icon-edit|edit-page|mw-empty-elt/.test(b.className) && (J = C), "video" === $)
                    if (C.getAttribute("src")) {
                        C.classList.add("protected");
                        var ie = cachedElementBoundingRect(b);
                        C.setAttribute("width", ie.width), C.setAttribute("height", ie.height), C.removeAttribute("style");
                        b.hasAttribute("autoplay") && b.hasAttribute("muted") && b.hasAttribute("loop") ? C.setAttribute("data-reader-silent-looped-animation", "") : (C.setAttribute("controls", !0), C.removeAttribute("autoplay"), C.removeAttribute("preload"))
                    } else J = C;
                J || (Q = getComputedStyle(b));
                let t = function() {
                    if ("div" !== $ && "span" !== $) return !1;
                    if (LazyLoadRegex.test(b.className)) return !0;
                    for (let e of attributesForElement(b))
                        if (/^data-/.test(e.name) && LazyLoadRegex.test(e.value) && cachedElementBoundingRect(b).height) return !0;
                    return !1
                }();
                if (!J && t && (!b.innerText || b.previousElementSibling && "noscript" === normalizedElementTagName(b.previousElementSibling)))
                    if (Ie = lazyLoadingImageURLForElement(C, b.className)) {
                        var re = this.contentDocument.createElement("img");
                        re.setAttribute("src", Ie), C.parentNode.replaceChild(re, C), (C = re).originalElement = b, $ = normalizedElementTagName(C), J = C, C.classList.add("protected")
                    } if (!J && "img" !== $ && /img/.test($)) {
                    lazyLoadingImageURLForElement(C, b.className) && ((C = changeElementType(C, "img")).originalElement = b, $ = "img")
                }
                if (!J && "div" === $ && C.parentNode) {
                    var ae = b.querySelectorAll("a, blockquote, dl, div, img, ol, p, pre, table, ul"),
                        le = T || "none" !== Q.float,
                        oe = null;
                    if (le || ae.length ? elementIndicatesItIsASchemaDotOrgImageObject(b) && !C.querySelector("figure, .auxiliary") ? oe = "figure" : ee && (oe = "span") : oe = "p", oe) {
                        for (var se = C.parentNode, ce = this.contentDocument.createElement(oe); C.firstChild;) {
                            var me = C.firstChild;
                            ce.appendChild(me)
                        }
                        se.replaceChild(ce, C), (C = ce).originalElement = b, $ = normalizedElementTagName(C)
                    }
                }
                if (b.dataset && b.dataset.mathml && b.querySelector("math") && X.push(C), !J && C.parentNode && h.has($) && (C._originalElementDepthInCollapsedArea = N, E.push(C)), J || (isElementPositionedOffScreen(b) ? J = C : b === e || T || "none" === Q.float || B || !(cachedElementBoundingRect(b).height >= FloatMinimumHeight || b.childElementCount > 1) || (T = 1)), !J) {
                    if (sanitizeElementByRemovingAttributes(C), n === CleaningType.MetadataContent)
                        if ("|" === C.innerText) C.innerText = "", C.classList.add("delimiter");
                        else if ("time" === normalizedElementTagName(C)) {
                        var de = C.previousElementSibling;
                        if (de && "span" === normalizedElementTagName(de) && !de.classList.contains("delimiter")) {
                            var he = this.contentDocument.createElement("span");
                            he.classList.add("delimiter"), C.before(he)
                        }
                    } else "figure" === $ && (J = C);
                    if ("both" === Q.clear && C.classList.add("clear"), "ul" === $ || "ol" === $ || "menu" === $) {
                        if (z && !N && cachedElementBoundingRect(b).top < z.top) J = C;
                        else if ("none" === Q["list-style-type"] && "none" === Q["background-image"]) {
                            for (var ue = b.children, fe = ue.length, ge = !0, pe = 0; pe < fe; ++pe) {
                                var Ee = ue[pe],
                                    ve = getComputedStyle(Ee);
                                if ("none" !== ve["list-style-type"] || 0 !== parseInt(ve["-webkit-padding-start"])) {
                                    ge = !1;
                                    break
                                }
                                var Te = getComputedStyle(Ee, ":before").content;
                                if (/\u2022|\u25e6|\u2023|\u2219|counter/.test(Te)) {
                                    ge = !1;
                                    break
                                }
                            }
                            ge && C.classList.add("list-style-type-none")
                        }
                        if (b.querySelector("code")) {
                            const e = /monospace|menlo|courier/i;
                            var ye = dominantFontFamilyAndSizeForElement(b);
                            e.test(ye) && (C.classList.add("code-block"), C.classList.add("protected"))
                        }
                    }
                    if (A || "normal" === Q.fontStyle || (u.has($) || C.style && (C.style.fontStyle = Q.fontStyle), A = 1), !S && "normal" !== Q.fontWeight) {
                        if (!f.has($)) {
                            var Ae = parseInt(Q.fontWeight),
                                Se = null;
                            isNaN(Ae) ? Se = Q.fontWeight : Ae <= 400 || Ae >= 500 && (Se = "bold"), Se && C.style && (C.style.fontWeight = Se)
                        }
                        S = 1
                    }
                    if (T && "section" !== $ && s(b, e) || "aside" === $) {
                        ye = dominantFontFamilyAndSizeForElement(b);
                        var Ne = dominantFontSizeInPointsFromFontFamilyAndSizeString(ye),
                            be = ye && ye === U;
                        if (1 !== T || ee || (cachedElementBoundingRect(b).width <= MaximumFloatWidth ? C.setAttribute("class", "auxiliary float " + Q.float) : be || C.classList.add("auxiliary")), C.closest(".auxiliary") && b.style) {
                            var xe = b.style.getPropertyValue("width");
                            if ("table" === Q.display && /%/.test(xe) && parseInt(xe) < 2) C.style.width = Q.width;
                            else if (xe) C.style.width = xe;
                            else {
                                var Ce = x.getMatchedCSSRules(b, "", !0);
                                if (Ce)
                                    for (pe = Ce.length - 1; pe >= 0; --pe) {
                                        xe = Ce[pe].style.getPropertyValue("width");
                                        var De = parseInt(xe);
                                        if (xe && (isNaN(De) || De > 0)) {
                                            C.style.width = xe;
                                            break
                                        }
                                    }
                            }
                            1 !== T || xe || (C.style.width = cachedElementBoundingRect(b).width + "px")
                        }
                        ee || c(C, Ne)
                    }
                    if ("table" === $) y || (y = 1);
                    else if ("img" === $) {
                        var Ie;
                        if (Ie = lazyLoadingImageURLForElement(C, b.className)) {
                            C.setAttribute("src", Ie);
                            var Me = !!C.closest("figure");
                            if (!Me) {
                                var Le = attributesForElement(b),
                                    we = Le.length;
                                for (pe = 0; pe < we; ++pe)
                                    if (p.test(Le[pe].nodeName)) {
                                        Me = !0;
                                        break
                                    }
                            }
                            Me && C.classList.add("protected"), Z = !0
                        }!Ie && C.hasAttribute("src") || !b.hasAttribute("data-srcset") || C.setAttribute("srcset", b.getAttribute("data-srcset")), C.removeAttribute("border"), C.removeAttribute("hspace"), C.removeAttribute("vspace");
                        var Re = C.getAttribute("align");
                        if (C.removeAttribute("align"), "left" !== Re && "right" !== Re || (C.classList.add("float"), C.classList.add(Re)), !T && !Z) {
                            var Fe, _e = (Fe = cachedElementBoundingRect(b)).width,
                                Oe = Fe.height;
                            hasClassMatchingRegexp(b, ProgressiveLoadingRegex) && b.nextElementSibling && "img" === normalizedElementTagName(b.nextElementSibling) ? J = C : imageIsContainedByContainerWithImageAsBackgroundImage(b) ? C.classList.add("protected") : 1 === _e && 1 === Oe || z && Oe < MinimumHeightForImagesAboveTheArticleTitle && Fe.bottom < z.top ? J = C : _e < ImageSizeTiny && Oe < ImageSizeTiny && C.setAttribute("class", "reader-image-tiny")
                        }
                        if (n === CleaningType.MetadataContent)((Fe = cachedElementBoundingRect(b)).width > MaximumWidthOrHeightOfImageInMetadataSection || Fe.height > MaximumWidthOrHeightOfImageInMetadataSection) && (J = C);
                        if (b.classList.contains("emoji")) {
                            let e = urlFromString(C.src);
                            if (e && "s.w.org" === e.hostname && e.pathname.startsWith("/images/core/emoji/")) {
                                let e = this.replaceImageWithAltText(C);
                                e && ((C = e).originalElement = b, $ = normalizedElementTagName(C), J = C, C.classList.add("protected"))
                            }
                        }
                    } else if ("font" === $) C.removeAttribute("size"), C.removeAttribute("face"), C.removeAttribute("color");
                    else if ("a" === $ && C.parentNode) {
                        let e, t;
                        C instanceof HTMLAnchorElement ? (e = C.getAttribute("href"), t = HTMLAnchorElement) : C instanceof SVGAElement && (e = C.getAttribute("xlink:href"), t = SVGAElement);
                        let i = C.originalElement.ownerDocument.location,
                            r = urlStringShouldHaveItsAnchorMadeNonFunctional(e, i);
                        if (t === HTMLAnchorElement && "author" === b.getAttribute("itemprop")) C.classList.add("protected");
                        else if (e && e.length && ("#" === e[0] || r)) {
                            const e = new Set(["li", "sup"]);
                            if (!y && !C.childElementCount && 1 === C.parentElement.childElementCount && !e.has(normalizedElementTagName(C.parentElement))) this.contentDocument.evaluate("text()", C.parentElement, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null).snapshotLength || (J = C);
                            if (!J) {
                                ce = this.contentDocument.createElement("span");
                                if (1 === C.childElementCount && "img" === normalizedElementTagName(C.firstElementChild)) {
                                    var Pe = C.firstElementChild;
                                    Pe.width > AnchorImageMinimumWidth && Pe.height > AnchorImageMinimumHeight && ce.setAttribute("class", "converted-image-anchor")
                                }
                                for (ce.className || ce.setAttribute("class", "converted-anchor"); C.firstChild;) ce.appendChild(C.firstChild);
                                C.parentNode.replaceChild(ce, C), (C = ce).originalElement = b
                            }
                        } else if (AdvertisementHostRegex.test(C.host) && !C.innerText) J = C;
                        else if (n !== CleaningType.MetadataContent && I && !L && I.compareDocumentPosition(b) & document.DOCUMENT_POSITION_PRECEDING && cachedElementBoundingRect(b).top < cachedElementBoundingRect(I).top) G.push(C);
                        else {
                            var Be = b.children;
                            1 === Be.length && "img" === normalizedElementTagName(Be[0]) && !b.innerText && anchorLooksLikeDownloadFlashLink(b) && (J = C)
                        }
                        r && (C.removeAttribute("xlink:href"), C.removeAttribute("href"))
                    } else if ("aside" === $ || "blockquote" === $ || "q" === $ || "div" === $ && V.test(b.className)) {
                        ye = dominantFontFamilyAndSizeForElement(b), Ne = dominantFontSizeInPointsFromFontFamilyAndSizeString(ye);
                        ee || c(C, Ne)
                    } else if ("cite" === $) {
                        var ke = pseudoElementContent(b, "after");
                        if (ke) {
                            var qe = document.createElement("span");
                            qe.innerText = ke, C.after(qe)
                        }
                    } else "pre" === $ ? C.style.whiteSpace = Q.whiteSpace : "source" === $ && b.hasAttribute("data-srcset") ? (C.setAttribute("srcset", b.getAttribute("data-srcset")), C.classList.add("protected")) : C instanceof SVGAnimateElement && "xlink:href" === C.attributes.attributeName.value && (J = C)
                }
                if (Q && w && !Z) {
                    var ze = "none" === Q.display || "visible" !== Q.visibility || computedStyleIndicatesElementIsInvisibleDueToClipping(Q);
                    if (ze || "img" === $ || (ze = "0" === Q.opacity && "absolute" === Q.position && !C.closest("figure")), ze && !N) !!P && (v === P.depth && selectorForElement(b) === P.selector) || W(b, e) || (J = C)
                }
                if (!J && elementIsCommentBlock(b) && (J = C), !J && z && cachedElementBoundingRect(b).top < z.top && VeryLiberalCommentRegex.test(b.className) && C.parentElement && (J = C), !J && "a" === $ && k.has(b.href)) {
                    for (var We, Ue, He = b, Ve = C;
                        (He = He.parentElement) && (Ve = Ve.parentElement);) {
                        const t = 10;
                        if (cachedElementBoundingRect(He).top - cachedElementBoundingRect(b).top > t) break;
                        if (He === e) break;
                        o(He) && (We = He, Ue = Ve)
                    }
                    We && (J = Ue, b = We, (C = Ue).originalElement = b, $ = normalizedElementTagName(C)), He = null, Ve = null, We = null, Ue = null
                }
            } catch (e) {
                J = C
            }
            if (!J || J.parentElement || i || (J = null), "div" === $ ? Y.push(C) : "aside" === $ && K.push(C), !J) {
                let e = this._weakMapOfOriginalElementToUniqueID.get(C.originalElement);
                e || (e = this._nextUniqueID()), this._mapOfUniqueIDToOriginalElement.set(e, C.originalElement), C.setAttribute(this.elementReaderUniqueIDAttributeKey(), e), this._weakMapOfOriginalElementToUniqueID.set(C.originalElement, e)
            }
            var je = J ? null : b.firstElementChild;
            if (je) b = je, C = C.firstElementChild, r(1);
            else {
                for (var Ge; b !== e && !(Ge = b.nextElementSibling);) b = b.parentElement, C = C.parentElement, r(-1);
                if (b === e) {
                    if (J && !elementIsProtected(J))
                        if (J.parentElement) J.remove();
                        else if (i) return null;
                    break
                }
                b = Ge, C = C.nextElementSibling, a()
            }
            if (J && !elementIsProtected(J))
                if (J.parentElement) J.remove();
                else if (i) return null
        }
        for (let e of t.querySelectorAll("iframe")) {
            if (elementLooksLikeEmbeddedTweet(e.originalElement))(Xe = this.adoptableSimpleTweetFromTwitterElement(e)) && e.parentElement.replaceChild(Xe, e);
            e.classList.add("protected"), e.setAttribute("sandbox", "allow-scripts allow-same-origin")
        }
        for (let e of t.querySelectorAll("twitter-widget")) {
            var Xe;
            if (elementLooksLikeEmbeddedTweet(e.originalElement))(Xe = this.adoptableSimpleTweetFromTwitterElement(e)) && e.parentElement.replaceChild(Xe, e);
            e.classList.add("protected")
        }
        const Ye = t.querySelectorAll("blockquote"),
            Ke = Ye.length;
        for (pe = 0; pe < Ke; ++pe) {
            const e = Ye[pe],
                t = e.originalElement;
            t && this.convertBlockquoteTweetToSimpleTweetIfAppropriate(e, t)
        }
        for (pe = E.length - 1; pe >= 0; --pe) {
            (vt = E[pe]).parentNode && this.shouldPruneElement(vt, vt.originalElement, U) && vt.remove(), delete vt._originalElementDepthInCollapsedArea
        }
        var Qe = G.length;
        for (pe = 0; pe < Qe; ++pe) G[pe].remove();
        var Je = t.querySelectorAll(".float");
        for (pe = 0; pe < Je.length; ++pe) {
            var $e = !1,
                Ze = Je[pe];
            if (!$e) {
                var et = Ze.querySelectorAll("a, span.converted-image-anchor"),
                    tt = Ze.querySelectorAll("span.converted-anchor");
                $e = Ze.parentNode && tt.length > et.length
            }
            if (!$e) {
                var nt = Ze.querySelectorAll("embed, object").length,
                    it = Ze.originalElement.querySelectorAll("embed, object").length;
                !nt && it && ($e = !0)
            }
            if (!$e) {
                for (var rt = Ze.originalElement.getElementsByTagName("img"), at = rt.length, lt = 0, ot = 0; ot < at && (w && isElementVisible(rt[ot]) && lt++, !(lt > 1)); ++ot);
                if (1 === lt) Ze.getElementsByTagName("img").length || ($e = !0)
            }
            if (!$e) {
                const e = "img, video, embed, iframe, object, svg";
                /\S/.test(Ze.innerText) || Ze.matches(e) || Ze.querySelector(e) || ($e = !0)
            }
            $e && !elementIsProtected(Ze) && Ze.remove()
        }
        var st = t.querySelectorAll("br");
        for (pe = st.length - 1; pe >= 0; --pe) {
            var ct = st[pe];
            ct.originalElement && "block" === getComputedStyle(ct.originalElement.parentElement).display && (m(ct, "nextSibling") || m(ct, "previousSibling")) && ct.remove()
        }
        if (i && !removeWhitespace(t.innerText).length && (n !== CleaningType.LeadingMedia || !t.querySelector("video, iframe, img"))) return null;
        var mt = {},
            dt = (et = t.querySelectorAll("a")).length;
        for (pe = 0; pe < dt; ++pe) {
            mt[ht = (gt = et[pe]).style.fontWeight] || (mt[ht] = []), mt[ht].push(gt)
        }
        for (var ht in mt) {
            var ut = mt[ht],
                ft = ut.length;
            if (ft > .7 * dt)
                for (pe = 0; pe < ft; ++pe) {
                    var gt;
                    (gt = ut[pe]).style.fontWeight = null, gt.getAttribute("style") || gt.removeAttribute("style")
                }
        }
        var pt = t.querySelectorAll(".protected"),
            Et = pt.length;
        for (pe = 0; pe < Et; ++pe) {
            var vt;
            (vt = pt[pe]).classList.remove("protected"), vt.classList.length || vt.removeAttribute("class")
        }
        var Tt = t.querySelectorAll("p.auxiliary"),
            yt = Tt.length;
        for (pe = 0; pe < yt; ++pe) {
            for (var At = Tt[pe], St = [At], Nt = At.nextElementSibling; Nt && "p" === normalizedElementTagName(Nt) && Nt.classList.contains("auxiliary");) St.push(Nt), Nt = Nt.nextElementSibling;
            var bt = St.length;
            if (bt > 1) {
                for (ot = 0; ot < bt; ++ot) {
                    var xt = St[ot];
                    xt.classList.remove("auxiliary"), xt.style && (xt.style.width = null), cleanStyleAndClassList(xt)
                }
                pe += bt - 1
            }
        }
        for (pe = Y.length - 1; pe >= 0; --pe) {
            var Ct = Y[pe];
            Ct !== t && elementWouldAppearBetterAsFigureOrAuxiliary(Ct.originalElement, Ct) && changeElementType(Ct, "figure")
        }
        for (pe = K.length - 1; pe >= 0; --pe) {
            var Dt = K[pe];
            Dt !== t && elementWouldAppearBetterAsFigureOrAuxiliary(Dt.originalElement, Dt) && Dt.classList.add("auxiliary")
        }
        var It = j.length;
        for (pe = 0; pe < It; ++pe) {
            var Mt = j[pe],
                Lt = Mt.parentElementBeforePruning,
                wt = null,
                Rt = null;
            if (Lt) wt = depthOfElementWithinElement(Lt, t), Rt = selectorForElement(Lt);
            var Ft = Lt ? Lt.closest("ul") : null;
            if (Ft) Ft.remove();
            else {
                const e = 40;
                Lt && cachedElementBoundingRect(Lt.originalElement).height < e && (!P || P.selector !== Rt || P.depth !== wt) ? Lt.remove() : Mt.remove()
            }
        }
        var _t = X.length;
        for (pe = 0; pe < _t; ++pe) {
            var Ot = X[pe],
                Pt = this.contentDocument.createElement("div");
            Pt.innerHTML = Ot.dataset ? Ot.dataset.mathml : "", Ot.parentNode.replaceChild(Pt, Ot)
        }
        return t
    },
    convertBlockquoteTweetToSimpleTweetIfAppropriate: function(e, t) {
        const n = t.classList;
        if (!n.contains("twitter-tweet") && !n.contains("twitter-video")) return;
        const i = t.getElementsByTagName("a"),
            r = i.length;
        if (r < 1) return;
        const a = i[r - 1];
        if ("twitter.com" !== a.host) return;
        const l = lastPathComponentFromAnchor(a);
        if (isNaN(parseInt(l))) return;
        const o = this.contentDocument.createElement("div");
        o.setAttribute("data-reader-tweet-id", l), o.classList.add("tweet-wrapper"), e.parentElement.replaceChild(o, e), e.classList.add("simple-tweet"), o.appendChild(e)
    },
    adoptableSimpleTweetFromTwitterElement: function(e) {
        var t = function(e) {
            var t = this.contentDocument.createElement("div"),
                n = this.contentDocument.createTextNode(e);
            return t.appendChild(n), t.innerHTML
        }.bind(this);
        let n = null,
            i = e.originalElement;
        if ("iframe" === normalizedElementTagName(e) ? n = i.contentDocument ? i.contentDocument.documentElement : null : "twitter-widget" === normalizedElementTagName(e) && (n = i.shadowRoot), !n) return null;
        var r = n.querySelector("[data-tweet-id].expanded") || n.querySelector("[data-tweet-id]");
        if (!r) return null;
        var a = this.contentDocument.createElement("div");
        a.classList.add("tweet-wrapper");
        var l = this.contentDocument.createElement("blockquote");
        l.classList.add("simple-tweet"), a.appendChild(l);
        var o = r.getAttribute("data-tweet-id");
        a.setAttribute("data-reader-tweet-id", o);
        var s = r.querySelector(".dateline"),
            c = r.querySelector('[data-scribe="element:screen_name"]'),
            m = r.querySelector('[data-scribe="element:name"]'),
            d = r.querySelector(".e-entry-title");
        if (!(s && c && m && d)) return a;
        var h = "&mdash; " + t(m.innerText) + " (" + t(c.innerText) + ")",
            u = this.contentDocument.createElement("p");
        u.innerHTML = d.innerHTML, l.appendChild(u), l.insertAdjacentHTML("beforeend", h);
        var f = this.contentDocument.createElement("span");
        f.innerHTML = s.innerHTML, l.appendChild(f);
        for (let e of l.querySelectorAll("img.twitter-emoji")) this.replaceImageWithAltText(e);
        for (var g = l.getElementsByTagName("*"), p = g.length, E = 0; E < p; ++E) {
            e = g[E];
            "script" === normalizedElementTagName(e) ? e.remove() : sanitizeElementByRemovingAttributes(e)
        }
        return a
    },
    replaceImageWithAltText: function(e) {
        var t = e.getAttribute("alt");
        if (!t || t.length < 1) return null;
        let n = this.contentDocument.createElement("span");
        return n.innerText = t, e.parentNode.replaceChild(n, e), n
    },
    leadingVideoNode: function() {
        var e = this.leadingContentNodeWithSelector("video, iframe");
        return e && e.parentElement && !e.previousElementSibling && !e.nextElementSibling ? e.parentElement : null
    },
    leadingImageNode: function() {
        return this.leadingContentNodeWithSelector("figure img, img")
    },
    ancestorsOfElement: function(e) {
        let t = [],
            n = e.parentNode;
        for (; n;) t.push(n), n = n.parentNode;
        return t
    },
    leadingContentNodeWithSelector: function(e) {
        const t = 250,
            n = .5,
            i = .9,
            r = 3;
        if (!this.article || !this.article.element) return null;
        let a = 0;
        if (this._articleTitleElement) {
            let e, t = this.ancestorsOfElement(this.article.element);
            for (let n of t)
                if (n.contains(this._articleTitleElement)) {
                    e = n;
                    break
                } a = t.length - this.ancestorsOfElement(e).length + 2
        }
        let l = Math.max(r, a);
        for (var o = this.article.element, s = 0; s < l && o.parentNode; ++s) {
            var c = (o = o.parentNode).querySelectorAll(e);
            for (var m of c)
                if (m && isElementVisible(m)) {
                    var d = cachedElementBoundingRect(m);
                    if (!(d.width >= window.innerWidth * i) && d.height < t) continue;
                    if (d.width < this._articleWidth * n) continue;
                    var h = this.article.element.compareDocumentPosition(m);
                    if (!(h & Node.DOCUMENT_POSITION_PRECEDING) || h & Node.DOCUMENT_POSITION_CONTAINED_BY) continue;
                    var u = this.extraArticle ? this.extraArticle.element : null;
                    if (u && this.article.element.compareDocumentPosition(u) & Node.DOCUMENT_POSITION_FOLLOWING && (h = u.compareDocumentPosition(m)) && (!(h & Node.DOCUMENT_POSITION_PRECEDING) || h & Node.DOCUMENT_POSITION_CONTAINED_BY)) continue;
                    return m
                }
        }
        return null
    },
    pageImageURLFromMetadata: function(e) {
        var t = e["property:og:image"];
        if (t || (t = e["property:twitter:image"]), t || (t = e["property:twitter:image:src"]), t) {
            let e = urlFromString(t);
            if (e) {
                let n = e.href;
                n && urlIsHTTPFamilyProtocol(e) && (t = n)
            }
        }
        return t
    },
    mainImageNode: function() {
        var e = this.leadingImageNode();
        if (e) return e;
        if (this.article && this.article.element)
            for (var t = this.article.element.querySelectorAll("img"), n = t.length, i = 0; i < n; ++i) {
                var r = t[i],
                    a = r._cachedElementBoundingRect;
                if (a || (a = r.getBoundingClientRect()), a.width >= MainImageMinimumWidthAndHeight && a.height >= MainImageMinimumWidthAndHeight) return r
            }
        return null
    },
    schemaDotOrgMetadataObjectForArticle: function() {
        if (this._schemaDotOrgMetadataObjectForArticle) return this._schemaDotOrgMetadataObjectForArticle;
        const e = new Set(["Article", "NewsArticle", "Report", "ScholarlyArticle", "SocialMediaPosting", "BlogPosting", "LiveBlogPosting", "DiscussionForumPosting", "TechArticle", "APIReference"]);
        var t = this.contentDocument.querySelectorAll("script[type='application/ld+json']"),
            n = t.length;
        try {
            for (var i = 0; i < n; ++i) {
                var r = t[i],
                    a = JSON.parse(r.textContent),
                    l = a["@context"];
                if ("https://schema.org" === l || "http://schema.org" === l) {
                    var o = a["@type"];
                    if (e.has(o)) return this._schemaDotOrgMetadataObjectForArticle = a, a
                }
            }
            return null
        } catch (e) {
            return null
        }
    },
    articleTitle: function() {
        var e = this.articleTitleInformation();
        return e ? e.titleText : ""
    },
    articleTitleInformation: function() {
        function e(e, t) {
            var n = e ? t.indexOf(e) : -1;
            return -1 !== n && (0 === n || n + e.length === t.length)
        }

        function t(e, t) {
            return e.host === t.host && e.pathname === t.pathname && e.hash === t.hash
        }

        function n(e) {
            let t = nearestAncestorElementWithTagName(e, "a") || e.querySelector("a");
            return t ? urlStringShouldHaveItsAnchorMadeNonFunctional(t.href, t.ownerDocument.location) ? null : t : null
        }
        if (!this.articleNode()) return;
        if (this._articleTitleInformation) return this._articleTitleInformation;
        const i = /((article|post).*title|headline|instapaper_title|inside-head)/i,
            r = 600,
            a = 20,
            l = 8,
            o = 1.1,
            s = 1.25,
            c = /header|title|headline|instapaper_title/i,
            m = 1.5,
            d = 1.8,
            h = 1.5,
            u = .6,
            f = 3,
            g = 1.5,
            p = .8,
            E = .8,
            v = 9,
            T = 1.5,
            y = /byline|author/i;
        var A = function(e, t) {
                var n = this.contentFromUniqueMetadataSelector(e, t);
                if (n) {
                    var i = this.articleTitleAndSiteNameFromTitleString(n);
                    i && (n = i.articleTitle)
                }
                return n
            }.bind(this),
            S = function() {
                for (var e = this.articleNode(); e; e = e.parentElement)
                    if (elementIndicatesItIsASchemaDotOrgArticleContainer(e)) return e;
                return null
            }.bind(this)(),
            N = S ? this.contentFromUniqueMetadataSelector(S, "meta[itemprop=headline]") : "",
            b = S ? this.contentFromUniqueMetadataSelector(S, "meta[itemprop=alternativeHeadline]") : "",
            x = this.contentDocument,
            C = x.location,
            D = x.title,
            I = A(x, "meta[property='og:title']"),
            M = this.contentFromUniqueMetadataSelector(x, "meta[property='og:site_name']"),
            L = A(x, "meta[name='twitter:title']"),
            w = A(x, "meta[name='sailthru.headline']"),
            R = this.schemaDotOrgMetadataObjectForArticle(),
            F = R ? R.headline : null,
            _ = this.articleNode(),
            O = cachedElementBoundingRect(_);
        this.extraArticleNode() && this.extraArticle.isPrepended && (O = cachedElementBoundingRect(this.extraArticleNode()));
        var P = O.left + O.width / 2,
            B = O.top,
            k = B;
        (this._articleWidth = O.width, this._leadingMediaElement = this.leadingImageNode(), this._leadingMediaElement || (this._leadingMediaElement = this.leadingVideoNode()), this._leadingMediaElement) && (k = (cachedElementBoundingRect(this._leadingMediaElement).top + B) / 2);
        var q = "h1, h2, h3, h4, h5, a:not(svg a), p, div, span",
            z = normalizedElementTagName(this.article.element);
        "dl" !== z && "dd" !== z || (q += ", dt");
        for (var W = [], U = x.querySelectorAll(q), H = U.length, V = 0; V < H; ++V) {
            var j = U[V],
                G = normalizedElementTagName(j);
            if ("a" === G) j.innerText === I && t(j, C) && (j.previousElementSibling || j.nextElementSibling ? W.push(j) : W.push(j.parentElement));
            else if ("div" === G || "span" === G || "p" === G) {
                if (hasClassMatchingRegexp(j, i) || i.test(j.getAttribute("id"))) {
                    var X = j.parentElement;
                    elementIsAHeader(X) || W.push(j)
                }
            } else W.push(j)
        }
        W = Array.prototype.slice.call(W, 0);
        const Y = 2;
        var K = this.article.element;
        for (V = 0; V < Y; ++V) K.parentElement && (K = K.parentElement);
        for (var Q, J = K.querySelectorAll("a:not(svg a)"), $ = (V = 0, J.length); V < $; ++V) {
            var Z = J[V];
            if (Z.offsetTop > _.offsetTop + a) break;
            if (t(Z, C) && "#" !== Z.getAttribute("href")) {
                W.push(Z);
                break
            }
        }
        var ee = W.map(trimmedInnerTextIgnoringTextTransform),
            te = W.length,
            ne = 0,
            ie = [],
            re = [],
            ae = [],
            le = [],
            oe = [],
            se = [],
            ce = [];
        const me = {},
            de = e => {
                const t = me[e];
                if (t) return t;
                const n = stringSimilarity(D, e);
                return me[e] = n, n
            };
        for (V = 0; V < te; ++V) {
            var he = W[V],
                ue = ee[V];
            const e = {},
                t = t => {
                    const n = e[t];
                    if (n) return n;
                    const i = stringSimilarity(ue, t);
                    return e[t] = i, i
                };
            let n = de(ue);
            if (I) {
                const e = t(I);
                n += e, e > StringSimilarityToDeclareStringsNearlyIdentical && re.push(he)
            }
            if (L) {
                const e = t(L);
                n += e, e > StringSimilarityToDeclareStringsNearlyIdentical && ae.push(he)
            }
            if (N) {
                const e = t(N);
                n += e, e > StringSimilarityToDeclareStringsNearlyIdentical && le.push(he)
            }
            if (b) {
                const e = t(b);
                n += e, e > StringSimilarityToDeclareStringsNearlyIdentical && oe.push(he)
            }
            if (w) {
                const e = t(w);
                n += e, e > StringSimilarityToDeclareStringsNearlyIdentical && se.push(he)
            }
            if (F) {
                const e = t(F);
                n += e, e > StringSimilarityToDeclareStringsNearlyIdentical && ce.push(he)
            }
            n === ne ? ie.push(he) : n > ne && (ne = n, ie = [he])
        }
        let fe = [];
        for (let e of W) {
            let t = e.nextElementSibling;
            t && SubheadRegex.test(t.className) && fe.push(e)
        }
        if (1 === re.length ? (Q = re[0]).headerText = trimmedInnerTextIgnoringTextTransform(Q) : 1 === ae.length ? (Q = ae[0]).headerText = trimmedInnerTextIgnoringTextTransform(Q) : 1 === le.length ? (Q = le[0]).headerText = trimmedInnerTextIgnoringTextTransform(Q) : 1 === se.length ? (Q = se[0]).headerText = trimmedInnerTextIgnoringTextTransform(Q) : 1 === ce.length && ((Q = ce[0]).headerText = trimmedInnerTextIgnoringTextTransform(Q)), !Q)
            for (V = 0; V < te; ++V) {
                he = W[V];
                if (!isElementVisible(he)) continue;
                var ge = cachedElementBoundingRect(he),
                    pe = ge.left + ge.width / 2,
                    Ee = pe - P,
                    ve = ge.top + ge.height / 2 - k,
                    Te = -1 !== re.indexOf(he),
                    ye = -1 !== ae.indexOf(he),
                    Ae = he.classList.contains("instapaper_title"),
                    Se = /\bheadline\b/.test(he.getAttribute("itemprop")),
                    Ne = -1 !== le.indexOf(he),
                    be = -1 !== oe.indexOf(he),
                    xe = -1 !== se.indexOf(he),
                    Ce = -1 !== ce.indexOf(he);
                let t = fe.includes(he) && ve < 0;
                var De = Te || ye || Ae || Se || Ne || be || xe || Ce || t,
                    Ie = Math.sqrt(Ee * Ee + ve * ve),
                    Me = De ? r : Math.max(r - Ie, 0),
                    Le = (ue = ee[V], he.getAttribute("property"));
                if (Le) {
                    var we = /dc.title/i.exec(Le);
                    if (we && we[0])
                        if (1 === this.contentDocument.querySelectorAll('*[property~="' + we[0] + '"]').length) {
                            (Q = he).headerText = ue;
                            break
                        }
                }
                if (!y.test(he.className)) {
                    if (!De) {
                        if (Ie > r) continue;
                        if (pe < O.left || pe > O.right) continue
                    }
                    if (D && stringsAreNearlyIdentical(ue, D)) Me *= f;
                    else if (e(ue, D)) Me *= g;
                    else if (ue.length < l) continue;
                    if (ue !== M || !I) {
                        var Re = !1;
                        if (We = n(he)) {
                            if ("author" === We.getAttribute("rel")) continue;
                            var Fe = We.host === C.host,
                                _e = We.pathname === C.pathname;
                            if (Fe && _e) Me *= h;
                            else {
                                if (Fe && nearestAncestorElementWithTagName(he, "li")) continue;
                                Me *= u, Re = !0
                            }
                        }
                        var Oe = fontSizeFromComputedStyle(getComputedStyle(he));
                        Re || (Me *= Oe / BaseFontSize), Me *= 1 + TitleCandidateDepthScoreMultiplier * elementDepth(he);
                        var Pe = parseInt(this.contentTextStyle().fontSize);
                        parseInt(Oe) > Pe * o && (Me *= s), (c.test(he.className) || c.test(he.getAttribute("id"))) && (Me *= m);
                        var Be = he.parentElement;
                        Be && (c.test(Be.className) || c.test(Be.getAttribute("id"))) && (Me *= m), -1 !== ie.indexOf(he) && (Me *= d);
                        _ = this.article.element;
                        for (var ke = he; ke && ke !== _; ke = ke.parentElement)
                            if (SidebarRegex.test(ke.className)) {
                                Me *= p;
                                break
                            } he.closest("li") && (Me *= E), (!Q || Me > Q.headerScore) && ((Q = he).headerScore = Me, Q.headerText = ue)
                    }
                }
            }
        var qe;
        if (Q && domDistance(Q, _, v + 1) > v && parseInt(getComputedStyle(Q).fontSize) < T * Pe && (Q = null), Q) {
            this._articleTitleElement = Q;
            var ze = Q.headerText.trim();
            qe = I && e(I, ze) ? I : D && e(D, ze) ? D : ze
        }
        this._leadingMediaElement || (this._leadingMediaElement = this.leadingImageNode()), this._leadingMediaElement || (this._leadingMediaElement = this.leadingVideoNode()), qe || (qe = I && e(I, D) ? I : D);
        var We, Ue = null,
            He = !1,
            Ve = !1;
        Q && ((We = n(Q)) && (Ue = We.href, He = "_blank" === We.getAttribute("target"), Ve = We.host !== C.host || We.pathname !== C.pathname));
        let je = {
            titleText: qe,
            linkURL: Ue,
            linkIsTargetBlank: He,
            linkIsForExternalPage: Ve
        };
        if (this._articleTitleElement) {
            const e = this.titleUniqueID();
            this._mapOfUniqueIDToOriginalElement.set(e, Q), this._weakMapOfOriginalElementToUniqueID.set(Q, e)
        }
        return this._articleTitleInformation = je, je
    },
    contentFromUniqueMetadataSelector: function(e, t) {
        var n = e.querySelectorAll(t);
        if (1 !== n.length) return null;
        var i = n[0];
        return i ? this.elementAttributesContainImproperQuote(i) ? null : i.content : null
    },
    elementAttributesContainImproperQuote: function(e) {
        for (var t = attributesForElement(e), n = t.length, i = 0; i < n; ++i)
            if (/['"]/.test(t[i].name)) return !0;
        return !1
    },
    articleSubhead: function() {
        function e(e) {
            return elementIsAHeader(e) ? parseInt(/h(\d)?/.exec(normalizedElementTagName(e))[1]) : NaN
        }

        function t(e) {
            if (!e) return null;
            var t = e.content;
            return t ? t.trim() : null
        }
        const n = /author|kicker/i;
        if (this._articleSubhead) return this._articleSubhead;
        var i = this.articleNode();
        if (!i) return;
        var r = this._articleTitleElement;
        if (!r) return;
        var a = this.contentDocument,
            l = a.location,
            o = e(r),
            s = cachedElementBoundingRect(r),
            c = new Set,
            m = t(a.querySelector("meta[property='og:description']"));
        m && c.add(m);
        var d = t(a.querySelector("meta[name=description]"));
        d && c.add(d);
        var h, u = this.schemaDotOrgMetadataObjectForArticle();
        if (u) {
            var f = u.description;
            f && "string" == typeof f && c.add(f.trim())
        }
        var g = this.contentFromUniqueMetadataSelector(a, "head meta.swiftype[name=dek]");
        g && (h = g);
        let p = [],
            E = nextNonFloatingVisibleElementSibling(r);
        E && p.push(E);
        let v = nextLeafElementForElement(r);
        if (v && r && r.contains(v) && v.innerText && v.innerText.trim() === r.innerText.trim() && (v = nextLeafElementForElement(v)), v && p.push(v), c.size)
            for (var T = a.querySelectorAll(HeaderElementsSelector + ", *[itemprop=description]"), y = T.length, A = 0; A < y; ++A) {
                var S = T[A];
                c.has(S.innerText.trim()) && p.push(S)
            }
        var N = p.length;
        for (A = 0; A < N; ++A) {
            var b = p[A];
            if (!b) continue;
            if (b === i) continue;
            var x = b.className;
            if (n.test(x)) continue;
            var C = b.closest("a");
            if (C) {
                var D = C.host === l.host,
                    I = C.pathname === l.pathname;
                if (!D || !I) continue
            }
            var M, L = !1;
            if (elementIsAHeader(b))
                if (isNaN(o)) L = !0;
                else e(b) - 1 === o && (L = !0);
            if (!L && SubheadRegex.test(x) && (L = !0), !L) {
                const e = b.getAttribute("itemprop");
                /\bdescription\b/.test(e) && !/\barticleBody\b/.test(e) && (L = !0)
            }
            if (!L && c.has(b.innerText) && (L = !0), !L && h && h === b.innerText && (L = !0), L || "summary" !== b.getAttribute("itemprop") || (L = !0), !L) continue;
            if ("meta" === normalizedElementTagName(b)) {
                var w = b.getAttribute("content");
                M = w ? w.trim() : "";
                var R = b.nextElementSibling;
                if (!R || trimmedInnerTextIgnoringTextTransform(R) !== M) continue;
                b = R
            } else {
                if (cachedElementBoundingRect(b).top < (s.bottom + s.top) / 2) continue;
                M = trimmedInnerTextIgnoringTextTransform(b).trim()
            }
            if (!M.length) continue;
            this._articleSubheadElement = b;
            const t = this.subheadUniqueID();
            this._mapOfUniqueIDToOriginalElement.set(t, b), this._weakMapOfOriginalElementToUniqueID.set(b, t), this._articleSubhead = M;
            break
        }
        return this._articleSubhead
    },
    adoptableMetadataBlock: function() {
        function e(e) {
            function t(e, i) {
                if (e.nodeType !== Node.TEXT_NODE) {
                    if (e.nodeType === Node.ELEMENT_NODE) {
                        var r = e.childNodes,
                            a = r.length;
                        0 !== a && (1 !== a ? (i !== n.Right && t(r[0], n.Left), i !== n.Left && t(r[a - 1], n.Right)) : t(r[0], i))
                    }
                } else i === n.Left ? e.textContent = e.textContent.trimLeft() : i === n.Right ? e.textContent = e.textContent.trimRight() : e.textContent = e.textContent.trim()
            }
            const n = {
                Left: 1,
                Right: 2,
                Both: 3
            };
            t(e)
        }
        this.updateArticleBylineAndDateElementsIfNecessary();
        var t = this.articleBylineElement(),
            n = this.articleDateElement();
        if (!t && !n) return null;
        if (t && n) {
            var i = t.compareDocumentPosition(n);
            i & Node.DOCUMENT_POSITION_CONTAINS && (t = null), i & Node.DOCUMENT_POSITION_CONTAINED_BY && (n = null), t === n && (n = null)
        }
        var r, a = this.contentDocument.createElement("div"),
            l = !1,
            o = !1;
        t && (e(r = this.cleanArticleNode(t, t.cloneNode(!0), CleaningType.MetadataContent, !1)), r.innerText.trim() && (l = !0, r.classList.add("byline")));
        if (n) {
            var s = this.cleanArticleNode(n, n.cloneNode(!0), CleaningType.MetadataContent, !1);
            e(s), s.innerText.trim() && (o = !0, s.classList.add("date"))
        }
        if (l && a.appendChild(r), l && o) {
            var c = document.createElement("span");
            c.classList.add("delimiter"), a.appendChild(c)
        }
        return o && a.appendChild(s), a
    },
    articleBylineElement: function() {
        return this._articleBylineElement
    },
    findArticleBylineElement: function() {
        var e = this.findArticleBylineElementWithoutRejection();
        return e && ("footer" === normalizedElementTagName(e) || e.closest("figure")) ? null : e
    },
    findArticleBylineElementWithoutRejection: function() {
        function e(e) {
            if (!e.length) return null;
            e = e.filter(isElementVisible);
            for (var t = new Set, n = new Set, r = e.length, o = 0; o < r - 1; ++o) {
                var s = e[o],
                    c = e[o + 1];
                if (isElementVisible(s) && isElementVisible(c)) {
                    var m = s.parentElement;
                    m === c.parentElement && (m.contains(i) || (n.add(s.parentElement), t.add(s), t.add(c)))
                }
            }
            var d = new Set(e);
            n.forEach((function(e) {
                d.add(e)
            })), t.forEach((function(e) {
                d.delete(e)
            })), e = [], d.forEach((function(t) {
                e.push(t)
            }));
            var h, u = null;
            r = e.length;
            for (o = 0; o < r; ++o) {
                s = e[o];
                if (isElementVisible(s)) {
                    var f = cachedElementBoundingRect(s),
                        g = f.left + f.width / 2,
                        p = f.top + f.height / 2,
                        E = a - g,
                        v = l - p,
                        T = Math.sqrt(E * E + v * v);
                    (!u || T < h) && (u = s, h = T)
                }
            }
            return u
        }
        const t = "[itemprop~=author], a[rel='author']:not(svg a)",
            n = "#byline, .byline, .article-byline, .byline__author, .entry-meta, .author-name, .byline-dateline, .article-author, [itemprop~=author], a[rel='author']:not(svg a)";
        var i = this._articleSubheadElement || this._articleTitleElement;
        if (i) var r, a = (r = i ? cachedElementBoundingRect(i) : null).left + r.width / 2,
            l = r.top + r.height / 2;
        var o = this.contentFromUniqueMetadataSelector(this.contentDocument, "head meta[name=author]");
        if (o || (o = this.contentFromUniqueMetadataSelector(this.contentDocument, "head meta[property=author]")), !o) {
            var s = this.schemaDotOrgMetadataObjectForArticle();
            if (s) {
                var c = s.author;
                c && "object" == typeof c && (o = c.name)
            }
        }
        var m = this.article.element,
            d = m.querySelectorAll(n);
        if (1 === d.length) return d[0];
        var h = i ? i.nextElementSibling : null;
        if (h) {
            if (h.matches(n) || h.innerText === o || (h = h.querySelector(n)), h)
                if (h.querySelector("li")) {
                    var u = h.querySelector(n);
                    u && (h = u)
                } if (h) return h
        }
        for (var f = this.contentDocument.getElementsByTagName("a"), g = 0, p = f.length; g < p; ++g) {
            var E = f[g];
            if (trimmedInnerTextIgnoringTextTransform(E) === o) return E
        }
        var v = m.closest("article");
        if (i && v) {
            if (y = e(Array.from(v.querySelectorAll(t)))) return y;
            if (y = e(Array.from(v.querySelectorAll(n)))) return y
        }
        var T = m.previousElementSibling;
        if (T) {
            var y;
            if (y = e(Array.from(T.querySelectorAll(t)))) return y;
            if (y = e(Array.from(T.querySelectorAll(n)))) return y
        }
        return null
    },
    articleDateElement: function() {
        return this._articleDateElement
    },
    findArticleDateElement: function() {
        function e(e) {
            for (var t = e; t && t !== l; t = t.parentElement)
                if (elementIsCommentBlock(t) || elementLooksLikeACarousel(t)) return !0;
            return !1
        }

        function t(t) {
            for (var n, i = null, r = t.length, a = 0; a < r; ++a) {
                var l = t[a];
                if (isElementVisible(l) && !e(l)) {
                    var o = cachedElementBoundingRect(l),
                        s = o.left + o.width / 2,
                        d = o.top + o.height / 2,
                        h = c - s,
                        u = m - d,
                        f = Math.sqrt(h * h + u * u);
                    (!i || f < n) && (i = l, n = f)
                }
            }
            return i
        }
        const n = /date/i,
            i = "time, .dateline, .entry-date";
        var r, a = this._articleSubheadElement || this._articleTitleElement,
            l = this.article.element,
            o = a ? a.nextElementSibling : null;
        if (o && 1 === (r = o.querySelectorAll(i)).length && (o = r[0]), !o || o.matches(i) || hasClassMatchingRegexp(o, n) || o.querySelector(i) || (o = null), o && o.contains(l) && (o = null), o) return o;
        if (a) var s, c = (s = a ? cachedElementBoundingRect(a) : null).left + s.width / 2,
            m = s.top + s.height / 2;
        if ((r = l.querySelectorAll(i)).length) return t(r);
        if ((l = l.closest("article")) && (r = l.querySelectorAll(i)).length) return t(r);
        return null
    },
    articleDateElementWithBylineElementHint: function(e) {
        function t(e) {
            return /date/.test(e.className) || /\bdatePublished\b/.test(e.getAttribute("itemprop"))
        }
        var n = e.nextElementSibling;
        if (n && t(n)) return n;
        var i = nextLeafElementForElement(e);
        return i && t(i) ? i : null
    },
    updateArticleBylineAndDateElementsIfNecessary: function() {
        this.article && (this._didArticleBylineAndDateElementDetection || (this.updateArticleBylineAndDateElements(), this._didArticleBylineAndDateElementDetection = !0))
    },
    updateArticleBylineAndDateElements: function() {
        var e = this.findArticleBylineElement(),
            t = this.findArticleDateElement();
        !t && e && (t = this.articleDateElementWithBylineElementHint(e)), this._articleDateElement = t, this._articleBylineElement = e
    },
    articleIsLTR: function() {
        if (!this._articleIsLTR) {
            var e = getComputedStyle(this.article.element);
            this._articleIsLTR = !e || "ltr" === e.direction
        }
        return this._articleIsLTR
    },
    findSuggestedCandidate: function() {
        var e, t, n = this.suggestedRouteToArticle;
        if (!n || !n.length) return null;
        for (t = n.length - 1; t >= 0 && (!n[t].id || !(e = this.contentDocument.getElementById(n[t].id))); --t);
        for (t++, e || (e = this.contentDocument); t < n.length;) {
            for (var i = n[t], r = e.nodeType === Node.DOCUMENT_NODE ? e.documentElement : e.firstElementChild, a = 1; r && a < i.index; r = r.nextElementSibling) this.shouldIgnoreInRouteComputation(r) || a++;
            if (!r) return null;
            if (normalizedElementTagName(r) !== normalizedElementTagName(i)) return null;
            if (i.className && r.className !== i.className) return null;
            e = r, t++
        }
        return isElementVisible(e) ? new CandidateElement(e, this.contentDocument) : null
    },
    findArticleBySearchingAllElements: function(e) {
        var t = this.findSuggestedCandidate(),
            n = this.findCandidateElements();
        if (!n || !n.length) return t;
        if (t && t.basicScore() >= ReaderMinimumScore) return t;
        for (var i = this.highestScoringCandidateFromCandidates(n), r = i.element; r !== this.contentDocument; r = r.parentNode)
            if ("blockquote" === normalizedElementTagName(r)) {
                for (var a = r.parentNode, l = n.length, o = 0; o < l; ++o) {
                    var s = n[o];
                    if (s.element === a) {
                        i = s;
                        break
                    }
                }
                break
            } if (t && i.finalScore() < ReaderMinimumScore) return t;
        if (!e) {
            if (i.shouldDisqualifyDueToScoreDensity()) return null;
            if (i.shouldDisqualifyDueToHorizontalRuleDensity()) return null;
            if (i.shouldDisqualifyDueToHeaderDensity()) return null;
            if (i.shouldDisqualifyDueToSimilarElements(n)) return null
        }
        return i
    },
    findExtraArticle: function() {
        if (!this.article) return null;
        for (var e = 0, t = this.article.element; e < 3 && t; ++e, t = t.parentNode) {
            var n = this.findExtraArticleCandidateElements(t);
            if (n && n.length)
                for (var i, r = this.sortCandidateElementsInDescendingScoreOrder(n), a = 0; a < r.length && ((i = r[a]) && i.basicScore()); a++)
                    if (!i.shouldDisqualifyDueToScoreDensity() && !i.shouldDisqualifyDueToHorizontalRuleDensity() && !(i.shouldDisqualifyDueToHeaderDensity() || cachedElementBoundingRect(i.element).height < PrependedArticleCandidateMinimumHeight && cachedElementBoundingRect(this.article.element).width !== cachedElementBoundingRect(i.element).width)) {
                        var l = contentTextStyleForNode(this.contentDocument, i.element);
                        if (l && l.fontFamily === this.contentTextStyle().fontFamily && l.fontSize === this.contentTextStyle().fontSize && i) return i
                    }
        }
        return null
    },
    highestScoringCandidateFromCandidates: function(e) {
        for (var t = 0, n = null, i = e.length, r = 0; r < i; ++r) {
            var a = e[r],
                l = a.basicScore();
            l >= t && (t = l, n = a)
        }
        return n
    },
    sortCandidateElementsInDescendingScoreOrder: function(e) {
        function t(e, t) {
            return e.basicScore() !== t.basicScore() ? t.basicScore() - e.basicScore() : t.depth() - e.depth()
        }
        return e.sort(t)
    },
    findCandidateElements: function() {
        const e = 1e3;
        for (var t = Date.now() + e, n = this.contentDocument.getElementsByTagName("*"), i = n.length, r = [], a = 0; a < i; ++a) {
            var l = n[a];
            if (!SetOfCandidateTagNamesToIgnore.has(normalizedElementTagName(l))) {
                var o = CandidateElement.candidateIfElementIsViable(l, this.contentDocument);
                if (o && r.push(o), Date.now() > t) {
                    r = [];
                    break
                }
            }
        }
        var s = r.length;
        for (a = 0; a < s; ++a) r[a].element.candidateElement = r[a];
        for (a = 0; a < s; ++a) {
            var c = r[a];
            if ("blockquote" === normalizedElementTagName(c.element)) {
                var m = c.element.parentElement.candidateElement;
                m && m.addTextNodesFromCandidateElement(c)
            }
        }
        for (a = 0; a < s; ++a) r[a].element.candidateElement = null;
        return r
    },
    findExtraArticleCandidateElements: function(e) {
        if (!this.article) return [];
        e || (e = this.article.element);
        for (var t = "preceding-sibling::*/descendant-or-self::*", n = this.contentDocument.evaluate(t, e, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null), i = n.snapshotLength, r = [], a = 0; a < i; ++a) {
            var l = n.snapshotItem(a);
            if (!SetOfCandidateTagNamesToIgnore.has(normalizedElementTagName(l)))(o = CandidateElement.extraArticleCandidateIfElementIsViable(l, this.article, this.contentDocument, !0)) && r.push(o)
        }
        t = "following-sibling::*/descendant-or-self::*", i = (n = this.contentDocument.evaluate(t, e, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null)).snapshotLength;
        for (a = 0; a < i; ++a) {
            var o;
            l = n.snapshotItem(a);
            if (!SetOfCandidateTagNamesToIgnore.has(normalizedElementTagName(l)))(o = CandidateElement.extraArticleCandidateIfElementIsViable(l, this.article, this.contentDocument, !1)) && r.push(o)
        }
        return r
    },
    isGeneratedBy: function(e) {
        var t = this.contentDocument.head ? this.contentDocument.head.querySelector("meta[name=generator]") : null;
        if (!t) return !1;
        var n = t.content;
        return !!n && e.test(n)
    },
    isMediaWikiPage: function() {
        return void 0 === this._isMediaWikiPage && (this._isMediaWikiPage = this.isGeneratedBy(/^MediaWiki /)), this._isMediaWikiPage
    },
    isWordPressSite: function() {
        return this.isGeneratedBy(/^WordPress/)
    },
    isAMPPage: function() {
        return this.contentDocument.documentElement.hasAttribute("amp-version")
    },
    nextPageURLString: function() {
        if (!this.article) return null;
        if (this.isMediaWikiPage()) return null;
        var e, t = 0,
            n = this.article.element;
        n.parentNode && "inline" === getComputedStyle(n).display && (n = n.parentNode);
        for (var i = n, r = cachedElementBoundingRect(n).bottom + LinkMaxVerticalDistanceFromArticle; isElementNode(i) && cachedElementBoundingRect(i).bottom <= r;) i = i.parentNode;
        i === n || i !== this.contentDocument && !isElementNode(i) || (n = i);
        var a = this.contentDocument.evaluate(LinkCandidateXPathQuery, n, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null),
            l = a.snapshotLength;
        if (this.pageNumber <= 2 && !this.prefixWithDateForNextPageURL) {
            var o = this.contentDocument.location.pathname,
                s = o.match(LinkDateRegex);
            s && (s = s[0], this.prefixWithDateForNextPageURL = o.substring(0, o.indexOf(s) + s.length))
        }
        for (var c = 0; c < l; ++c) {
            var m = a.snapshotItem(c),
                d = this.scoreNextPageLinkCandidate(m);
            d > t && (e = m, t = d)
        }
        return e ? e.href : null
    },
    scoreNextPageLinkCandidate: function(e) {
        function t(e, t, n, i) {
            t.substring(0, e.length) === e && (t = t.substring(e.length), e = "");
            var r = t.lastInteger();
            if (isNaN(r)) return !1;
            var a = e ? e.lastInteger() : NaN;
            return (isNaN(a) || a >= MaximumExactIntegralValue) && (a = i), r === a ? n.lastInteger() === a + 1 : r === a + 1
        }

        function n(e) {
            for (var t = {}, n = e.substring(1).split("&"), i = n.length, r = 0; r < i; ++r) {
                var a = n[r],
                    l = a.indexOf("="); - 1 === l ? t[a] = null : t[a.substring(0, l)] = a.substring(l + 1)
            }
            return t
        }
        var i = this.contentDocument.location;
        if (e.host !== i.host) return 0;
        if (e.pathname === i.pathname && e.search === i.search) return 0;
        if (-1 !== e.toString().indexOf("#")) return 0;
        if (anchorLinksToAttachment(e) || anchorLinksToTagOrCategoryPage(e)) return 0;
        if (!isElementVisible(e)) return 0;
        var r = cachedElementBoundingRect(e),
            a = this.articleBoundingRect(),
            l = Math.max(0, Math.max(a.top - (r.top + r.height), r.top - (a.top + a.height)));
        if (r.top < a.top) return 0;
        if (l > LinkMaxVerticalDistanceFromArticle) return 0;
        if (Math.max(0, Math.max(a.left - (r.left + r.width), r.left - (a.left + a.width))) > 0) return 0;
        var o = i.pathname,
            s = e.pathname;
        if (this.prefixWithDateForNextPageURL) {
            if (-1 === e.pathname.indexOf(this.prefixWithDateForNextPageURL)) return 0;
            o = o.substring(this.prefixWithDateForNextPageURL.length), s = s.substring(this.prefixWithDateForNextPageURL.length)
        }
        var c = s.substring(1).split("/");
        c[c.length - 1] || c.pop();
        var m = c.length,
            d = o.substring(1).split("/"),
            h = !1;
        d[d.length - 1] || (h = !0, d.pop());
        var u = d.length;
        if (m < u) return 0;
        for (var f = 0, g = 0, p = e.textContent, E = 0; E < m; ++E) {
            var v = c[E],
                T = E < u ? d[E] : "";
            if (T !== v) {
                if (E < u - 2) return 0;
                if (v.length >= T.length) {
                    for (var y = 0; v[v.length - 1 - y] === T[T.length - 1 - y];) y++;
                    y && (v = v.substring(0, v.length - y), T = T.substring(0, T.length - y));
                    var A = v.indexOf(T); - 1 !== A && (v = v.substring(A))
                }
                t(T, v, p, this.pageNumber) ? g = Math.pow(LinkNextOrdinalValueBase, E - m + 1) : f++
            }
            if (f > 1) return 0
        }
        var S = !1;
        if (e.search)
            for (var N in linkParameters = n(e.search), referenceParameters = n(i.search), linkParameters) {
                var b = linkParameters[N],
                    x = N in referenceParameters ? referenceParameters[N] : null;
                if (x !== b)
                    if (null === x && (x = ""), null === b && (b = ""), b.length < x.length) f++;
                    else if (t(x, b, p, this.pageNumber)) {
                    if (LinkURLSearchParameterKeyMatchRegex.test(N)) {
                        if (o.toLowerCase() !== s.toLowerCase()) return 0;
                        if (this.isWordPressSite() && h) return 0;
                        S = !0
                    }
                    if (LinkURLBadSearchParameterKeyMatchRegex.test(N)) {
                        f++;
                        continue
                    }
                    g = Math.max(g, 1 / LinkNextOrdinalValueBase)
                } else f++
            }
        if (!g) return 0;
        if ((LinkURLPageSlashNumberMatchRegex.test(e.href) || LinkURLSlashDigitEndMatchRegex.test(e.href)) && (S = !0), !S && m === u && stringSimilarity(o, s) < LinkMinimumURLSimilarityRatio) return 0;
        if (LinkURLArchiveSlashDigitEndMatchRegex.test(e)) return 0;
        var C = LinkMatchWeight * (Math.pow(LinkMismatchValueBase, -f) + g) + LinkVerticalDistanceFromArticleWeight * l / LinkMaxVerticalDistanceFromArticle;
        S && (C += LinkURLSemanticMatchBonus), "li" === normalizedElementTagName(e.parentNode) && (C += LinkListItemBonus);
        p = e.innerText;
        return LinkNextMatchRegEx.test(p) && (C += LinkNextMatchBonus), LinkPageMatchRegEx.test(p) && (C += LinkPageMatchBonus), LinkContinueMatchRegEx.test(p) && (C += LinkContinueMatchBonus), C
    },
    elementContainsEnoughTextOfSameStyle: function(e, t, n) {
        const i = 110;
        var r = "body" === normalizedElementTagName(e),
            a = getVisibleNonWhitespaceTextNodes(e, r ? 2 : 3, i, r, t);
        const l = .2,
            o = n / clamp(scoreMultiplierForElementTagNameAndAttributes(e), l, 1 / 0) / languageScoreMultiplierForTextNodes(a);
        for (var s = {}, c = a.length, m = 0; m < c; ++m) {
            var d = a[m],
                h = d.length,
                u = d.parentElement,
                f = window.getComputedStyle(u),
                g = f.fontFamily + "|" + f.fontSize,
                p = Math.pow(h, TextNodeLengthPower);
            if (s[g]) {
                if ((s[g] += p) > o) break
            } else s[g] = p
        }
        for (var g in s)
            if (s[g] > o) return !0;
        return !1
    },
    openGraphMetadataClaimsPageTypeIsArticle: function() {
        if (!this._openGraphMetadataClaimsPageTypeIsArticle) {
            var e = this.contentDocument.querySelector("head meta[property='og:type']");
            this._openGraphMetadataClaimsPageTypeIsArticle = e && "article" === e.content
        }
        return this._openGraphMetadataClaimsPageTypeIsArticle
    },
    prismGenreClaimsPageIsHomepage: function() {
        return "homePage" === this.contentFromUniqueMetadataSelector(this.contentDocument, "head meta[name='prism.genre']")
    },
    pointsToUseForHitTesting: function() {
        const e = window.innerWidth,
            t = e / 4,
            n = e / 2,
            i = 128,
            r = 320;
        var a = [
            [n, 800],
            [n, 600],
            [t, 800],
            [n, 400],
            [n - i, 1100],
            [r, 700],
            [3 * t, 800],
            [e - r, 700]
        ];
        return this.openGraphMetadataClaimsPageTypeIsArticle() && a.push([n - i, 1400]), a
    },
    findArticleByVisualExamination: function() {
        for (var e = new Set, t = this.pointsToUseForHitTesting(), n = t.length, i = AppleDotComAndSubdomainsRegex.test(this.contentDocument.location.hostname.toLowerCase()) ? 7200 : 1800, r = this.candidateElementFilter, a = 0; a < n; a++)
            for (var l = t[a][0], o = t[a][1], s = elementAtPoint(l, o, this.contentDocument); s && !e.has(s); s = s.parentElement) {
                if (VeryPositiveClassNameRegEx.test(s.className)) return new CandidateElement(s, this.contentDocument);
                if (!SetOfCandidateTagNamesToIgnore.has(normalizedElementTagName(s))) {
                    var c = s.offsetWidth,
                        m = s.offsetHeight;
                    if (!c && !m) {
                        var d = cachedElementBoundingRect(s);
                        c = d.width, m = d.height
                    }
                    if (!(c < r.minimumWidth || m < r.minimumHeight || c * m < r.minimumArea)) {
                        var h = this.elementContainsEnoughTextOfSameStyle(s, e, i);
                        if (e.add(s), h && !(CandidateElement.candidateElementAdjustedHeight(s) < r.minimumHeight)) {
                            var u = new CandidateElement(s, this.contentDocument);
                            if (!u.shouldDisqualifyDueToSimilarElements()) {
                                if (u.shouldDisqualifyDueToHorizontalRuleDensity()) return null;
                                if (u.shouldDisqualifyDueToHeaderDensity()) return null;
                                if (!u.shouldDisqualifyForDeepLinking()) return u
                            }
                        }
                    }
                }
            }
        return null
    },
    findTextSamplesByVisualExamination: function() {
        function e(e) {
            if (!e || !e.innerText) return null;
            let n = t(e.innerText.trim());
            return n && a.add(e), n
        }

        function t(e) {
            const t = 10;
            let i = textContentAppearsToBeCJK(e, d) ? d : m,
                r = e.length;
            if (r < i) return null;
            if (r > g * c) return null;
            let a = n(e);
            return (a.match(/\n/g) || []).length > t ? null : a
        }

        function n(e) {
            return e.substring(0, h)
        }

        function i(t, n) {
            let i = [],
                r = s.querySelectorAll(t);
            for (let t of r) {
                if (i.length >= n) break;
                if (elementDescendsFromElementInSet(t, l)) continue;
                let r = e(t);
                r && i.push([t, r])
            }
            return i
        }

        function r(e) {
            const n = document.querySelectorAll("div"),
                i = new Set;
            for (let r of n) {
                if (r.firstElementChild) continue;
                let n = t(r.textContent);
                if (n && (i.add(n), i.size >= e)) break
            }
            return i
        }
        var a = new Set,
            l = new Set,
            o = new Set,
            s = this.contentDocument,
            c = s.body.innerText.length;
        const m = 20,
            d = 10,
            h = 200,
            u = 5,
            f = 5,
            g = .8;
        let p = s.title,
            E = t(p);
        E && (o.add(E), l.add(p));
        let v = this.pointsToUseForHitTesting(),
            T = v.length;
        for (var y = 0; y < T; y++) {
            let t = v[y][0],
                n = v[y][1],
                i = 0;
            for (let r = elementAtPoint(t, n, this.contentDocument); r && !a.has(r) && !(i > u); r = r.parentElement, i++) {
                let t = e(r);
                if (t) {
                    if (elementDescendsFromElementMatchingSelector(r, "code, form")) break;
                    o.add(t), l.add(r);
                    break
                }
            }
        }
        let A = {
            p: 3,
            h1: 2,
            h2: 2,
            h3: 1
        };
        for (let [e, t] of Object.entries(A)) {
            let n = i(e, t);
            for (let [e, t] of n) e && t && (o.add(t), l.add(e))
        }
        if (o.size < f) {
            let e = ["article", "header", "a", "footer", "body"];
            for (let t of e) {
                let e = i(t, 1) || [],
                    [n, r] = e.length > 0 ? e[0] : [null, null];
                if (n && r) {
                    o.add(r), l.add(n);
                    break
                }
            }
        }
        if (o.size < f) {
            const e = r(f - o.size);
            o = o.union(e)
        }
        return Array.from(o)
    },
    findArticleFromMetadata: function(e) {
        var t = this.contentDocument.querySelectorAll(SchemaDotOrgArticleContainerSelector);
        if (1 === t.length) {
            var n = t[0];
            if (n.matches("article, *[itemprop=articleBody]"))
                if (o = CandidateElement.candidateIfElementIsViable(n, this.contentDocument, !0)) return e === FindArticleMode.ExistenceOfElement || o;
            var i = n.querySelectorAll("article, *[itemprop=articleBody]"),
                r = elementWithLargestAreaFromElements(i);
            if (r)
                if (o = CandidateElement.candidateIfElementIsViable(r, this.contentDocument, !0)) return e === FindArticleMode.ExistenceOfElement || o;
            return new CandidateElement(n, this.contentDocument)
        }
        if (this.openGraphMetadataClaimsPageTypeIsArticle() && !this.prismGenreClaimsPageIsHomepage()) {
            var a = this.contentDocument.querySelectorAll("main article"),
                l = elementWithLargestAreaFromElements(a);
            if (l)
                if (o = CandidateElement.candidateIfElementIsViable(l, this.contentDocument, !0)) return e === FindArticleMode.ExistenceOfElement || o;
            var o, s = this.contentDocument.querySelectorAll("article");
            if (1 === s.length)
                if (o = CandidateElement.candidateIfElementIsViable(s[0], this.contentDocument, !0)) return e === FindArticleMode.ExistenceOfElement || o
        }
        return null
    },
    articleTextContent: function() {
        return this._articleTextContent || this.adoptableArticle(), this._articleTextContent
    },
    unformattedArticleTextContentIncludingMetadata: function(e) {
        var t = this.articleNode();
        if (t) {
            if (!e) return t.innerText;
            var n = "",
                i = this.articleTitle();
            i && (n += i + "\n");
            var r = this.articleSubhead();
            r && (n += r + "\n");
            var a = this.adoptableMetadataBlock();
            return a && (n += this.plaintextVersionOfNodeAppendingNewlinesBetweenBlockElements(a) + "\n"), n + t.innerText
        }
    },
    plaintextVersionOfNodeAppendingNewlinesBetweenBlockElements: function(e) {
        var t = this.contentDocument.createTreeWalker(e, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT, null),
            n = "";
        for (t.currentNode = e; t.nextNode();) {
            var i = t.currentNode;
            if (i.nodeType !== Node.TEXT_NODE) {
                var r = normalizedElementTagName(i);
                "p" !== r && "div" !== r || (n += "\n")
            } else n += i.textContent
        }
        return n
    },
    pageDescription: function() {
        for (var e = this.contentDocument.querySelectorAll("head meta[name]"), t = e.length, n = 0; n < t; ++n) {
            var i = e[n];
            if ("description" === i.getAttribute("name").toLowerCase()) {
                var r = i.getAttribute("content");
                if (r) return r.trim()
            }
        }
        return null
    },
    articleTitleAndSiteNameFromTitleString: function(e) {
        const t = [" - ", " \u2013 ", " \u2014 ", ": ", " | ", " \xbb "],
            n = t.length,
            i = .6;
        for (var r, a, l = this.contentDocument.location.host.replace(/^(www|m|secure)\./, ""), o = l.replace(/\.(com|info|net|org|edu|gov)$/, "").toLowerCase(), s = 0; s < n; ++s) {
            var c = e.split(t[s]);
            if (2 === c.length) {
                var m = c[0].trim(),
                    d = c[1].trim(),
                    h = m.toLowerCase(),
                    u = d.toLowerCase(),
                    f = Math.max(stringSimilarity(h, l), stringSimilarity(h, o)),
                    g = Math.max(stringSimilarity(u, l), stringSimilarity(u, o)),
                    p = Math.max(f, g);
                (!a || p > a) && (a = p, r = f > g ? {
                    siteName: m,
                    articleTitle: d
                } : {
                    siteName: d,
                    articleTitle: m
                })
            }
        }
        return r && a >= i ? r : null
    },
    pageInformation: function(e, t) {
        var n, i = this.pageDescription(),
            r = !1;
        this.adoptableArticle() ? (n = this.articleTitle(), i = i || this.articleTextContent(), r = !0) : (n = this.contentDocument.title, this.contentDocument.body && (i = i || this.contentDocument.body.innerText));
        var a = "",
            l = this.buildMapOfMetaTags(),
            o = this.pageImageURLFromMetadata(l);
        if (o) a = o;
        else {
            var s = this.mainImageNode();
            s && (a = s.src)
        }
        n || (n = userVisibleURLString(this.contentDocument.location.href)), n = n.trim(), e && (n = n.substring(0, e));
        var c = this.contentFromUniqueMetadataSelector(this.contentDocument, "head meta[property='og:site_name']");
        if (!c) {
            var m = this.articleTitleAndSiteNameFromTitleString(this.contentDocument.title);
            m && m.articleTitle === n && (c = m.siteName)
        }
        return c || (c = ""), i = i ? i.trim() : "", t && (i = i.substring(0, t)), {
            title: n,
            previewText: i = i.replace(/[\s]+/g, " "),
            siteName: c,
            mainImageURL: a,
            isReaderAvailable: r
        }
    },
    readingListItemInformation: function() {
        const e = 220,
            t = 220;
        return this.pageInformation(e, t)
    },
    buildMapOfMetaTags: function() {
        var e = {};
        const t = this.contentDocument.head.getElementsByTagName("meta"),
            n = t.length;
        for (var i = 0; i < n; ++i) {
            const n = t[i],
                r = n.content;
            if (!r) continue;
            if (this.elementAttributesContainImproperQuote(n)) continue;
            n.name && (e["name:" + n.name.toLowerCase()] = r);
            const a = n.getAttribute("property");
            a && (e["property:" + a.toLowerCase()] = r)
        }
        return e
    },
    longestPageMetadataDescriptionForTextAnalysis: function(e) {
        var t = [];
        const n = e["name:description"];
        n && n.length && t.push(n);
        const i = e["property:og:description"];
        i && i.length && t.push(i);
        const r = e["name:twitter:description"];
        return r && r.length && t.push(r), t.length ? t.reduce((function(e, t) {
            return e.length > t.length ? e : t
        })) : null
    },
    pageTypeForTextAnalysis: function(e) {
        const t = this.contentDocument.documentElement.getAttribute("itemtype");
        if ("http://schema.org/SearchResultsPage" === t || "https://schema.org/SearchResultsPage" === t) return PageType.searchResults;
        const n = e["name:section"];
        if (n && "homepage" === n.toLowerCase()) return PageType.homepage;
        const i = e["property:og:type"];
        if (i) {
            const e = i.toLowerCase();
            if ("homepage" === e) return PageType.homepage;
            if ("article" === e) return PageType.article
        }
        const r = e["property:analytics-s-channel"];
        return r && "homepage" === r.toLowerCase() ? PageType.homepage : null
    },
    pageTitleForTextAnalysis: function(e) {
        const t = this.contentDocument;
        var n = e["property:og:title"];
        return n || (n = e["name:twitter:title"]), n || (n = e["name:sailthru.headline"]), n || (n = t.title), n
    },
    pageKeywordsForTextAnalysis: function(e) {
        return e["name:keywords"]
    },
    pageAuthorForTextAnalysis: function(e) {
        return e["name:author"] || e["property:author"]
    },
    pageMetadataCommonToTextAnalysisAndArticleContent: function() {
        var e = {};
        const t = this.buildMapOfMetaTags(),
            n = this.pageTitleForTextAnalysis(t);
        n && (e.title = n);
        const i = this.pageAuthorForTextAnalysis(t);
        i && (e.author = i);
        const r = this.pageImageURLFromMetadata(t);
        return r && (e.imageURL = r), e
    },
    pageMetadataForTextAnalysis: function() {
        let e = this.pageMetadataCommonToTextAnalysisAndArticleContent();
        const t = this.pageTypeForTextAnalysis(metadataMap);
        t && (e.type = t);
        const n = this.longestPageMetadataDescriptionForTextAnalysis(metadataMap);
        n && (e.description = n);
        const i = this.pageKeywordsForTextAnalysis(metadataMap);
        return i && (e.keywords = i), e
    },
    extractedArticleContent: function() {
        try {
            const e = this.adoptableArticle(!0),
                t = this.elementReaderUniqueIDAttributeKey();
            for (let n of e.getElementsByTagName("*")) n.removeAttribute(t);
            let n = this.pageMetadataCommonToTextAnalysisAndArticleContent();
            if (e) {
                const t = e.innerHTML;
                n.body = t
            }
            this.updateArticleBylineAndDateElementsIfNecessary();
            const i = this.articleDateElement();
            i && (n.publishedDate = trimmedInnerTextIgnoringTextTransform(i));
            const r = this.articleBylineElement();
            return !n.author && r && (n.author = trimmedInnerTextIgnoringTextTransform(r)), n
        } catch (e) {
            let t = {};
            const n = e.message,
                i = e.stack;
            return n && (t.error = n), i && (t.stack = i), t
        }
    },
    readerUniqueIDOfElementPinnedToTopOfViewport: function() {
        const e = 120;
        if (window.scrollY < e) return null;
        const t = this.articleNode();
        if (!t) return null;
        const n = t.getBoundingClientRect(),
            i = (n.left + n.right) / 2;
        for (const e of [0, 15, 35, 50, 80, 110]) {
            const n = t.ownerDocument.elementFromPoint(i, e);
            if (n !== t && (t.contains(n) || n === this._articleTitleElement || n === this._articleSubheadElement)) {
                const e = this._weakMapOfOriginalElementToUniqueID.get(n);
                if (e) return e
            }
        }
        return null
    },
    elementReaderUniqueIDAttributeKey: function() {
        return "data-reader-unique-id"
    },
    titleUniqueID: function() {
        return "titleElement"
    },
    subheadUniqueID: function() {
        return "subheadElement"
    },
    rectOfElementWithReaderUniqueID: function(e) {
        function t(e) {
            return {
                top: e.top + window.scrollY,
                right: e.right + window.scrollX,
                bottom: e.bottom + window.scrollY,
                left: e.left + window.scrollX,
                width: e.width,
                height: e.height
            }
        }
        if (!this._mapOfUniqueIDToOriginalElement) return null;
        let n = this._mapOfUniqueIDToOriginalElement.get(e);
        return n && n.parentElement ? t(n.getBoundingClientRect()) : null
    },
    scrollY: function() {
        return window.scrollY
    },
    scrollToOffset: function(e) {
        if ("number" == typeof e) try {
            clearCachedElementBoundingRects(), this.cacheWindowScrollPosition(), this.contentDocument.scrollingElement.scrollTop = e
        } catch (e) {}
    },
    documentURLString: function() {
        return this.contentDocument.location.href
    },
    usesSearchEngineOptimizationMetadata: function() {
        return !!document.head.querySelector('meta[property^="og:"]')
    },
    extractCanonicalLink: function() {
        var e = document.head.querySelector("link[rel='canonical']");
        if (!e) return null;
        var t = e.getAttribute("href");
        if (!t) return null;
        var n = document.baseURI,
            i = urlFromString(t, n);
        return "/" !== document.location.pathname && "/" === i.pathname || "localhost" === i.hostname && "localhost" !== document.location.hostname ? null : i.href
    }
};
var ReaderArticleFinderJS = new ReaderArticleFinder(document);