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safari-new.js
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/*
* 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"];
for (var v = n.length, f = 0; f < v; ++f) {
var N = n[f],
S = m.searchParams.get(N);
if (S && !isNaN(parseInt(S))) {
h = N;
break
}
}
if (d && h) {
var A = e.getAttribute("width"),
C = e.getAttribute("height");
if (!isNaN(parseInt(A)) && !isNaN(parseInt(C)))
return m.searchParams.set(d, A), m.searchParams.set(h, C), m.href
}
}
}
return null
}
function sanitizeElementByRemovingAttributes(e) {
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 characterNeedsScoreMultiplier(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 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),
r = n.textTransform;
return "uppercase" === r || "lowercase" === r ? 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 (var o = 1; o < r + 1; ++o)
for (var 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 !1;
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 elementLooksLikePartOfACarousel(e) {
const t = /carousel-|carousel_|-carousel|_carousel/,
n = 3;
for (var r = e, i = 0; i < n; ++i) {
if (!r)
return !1;
if (t.test(r.className) || t.test(r.getAttribute("data-analytics")))
return !0;
r = r.parentElement
}
}
function 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 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++)
characterNeedsScoreMultiplier(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) {
if ("undefined" != typeof ReaderArticleFinderJSController && ReaderArticleFinderJSController.nodeAtPoint) {
var n = ReaderArticleFinderJSController.nodeAtPoint(e, t);
return n && n.nodeType !== Node.ELEMENT_NODE && (n = n.parentElement), n
}
return document.elementFromPoint(e, t)
}
function userVisibleURLString(e) {
return "undefined" != typeof ReaderArticleFinderJSController && ReaderArticleFinderJSController.userVisibleURLString ? ReaderArticleFinderJSController.userVisibleURLString(e) : e
}
function urlStringIsJavaScriptURL(e) {
return !!e && "javascript:" === e.trim().substring(0, 11).toLowerCase()
}
function urlFromString(e) {
try {
return new URL(e)
} catch (e) {
return null
}
}
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,
i = r.createTreeWalker(t, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT, {
acceptNode: function() {
return NodeFilter.FILTER_ACCEPT
}
});
i.currentNode = t;
for (var a = !1, o = !1; i.nextNode();) {
var l = i.currentNode;
if (l.nodeType !== Node.TEXT_NODE) {
if (l.nodeType !== Node.ELEMENT_NODE)
return !1;
let e = normalizedElementTagName(l);
if ("figure" === e || "table" === e)
return !1;
if (l.classList.contains("auxiliary"))
return !1;
if ("img" === e) {
if (a)
return !1;
a = !0
}
var s = l.originalElement;
o || s && !hasClassMatchingRegexp(l.originalElement, n) || !/\S/.test(l.innerText) || (o = !0)
} else if (!a && /\S/.test(l.nodeValue))
return !1
}
return a && o
}
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 && isElementVisible(e) && !(n && ++l > n || i && i.has(e))) {
let n = normalizedElementTagName(e);
if ("iframe" !== n && "form" !== n) {
if (c.has(n))
r--;
else if ("ul" !== n && "ol" !== n || !a(e)) {
var u = e.parentElement;
if (u) {
var m = normalizedElementTagName(u);
"section" !== 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) {
const n = 100;
for (var r = {}, i = getVisibleNonWhitespaceTextNodes(e, n), a = i.length, o = 0; o < a; ++o) {
var l = i[o],
s = l.length,
c = l.parentElement,
u = getComputedStyle(c),
m = t(u);
r[m] ? r[m] += s : r[m] = s
}
return r
}
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"), n = t.getImageData(0, 0, e.width, e.height).data, r = 0, i = n.length; r < i; r += 4) {
if (n[r + 3])
return !1
}
return !0
}
function findArticleNodeSelectorsInWhitelistForHostname(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"]];
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 functionToPreventPruningDueToInvisibilityInWhitelistForHostname(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 = e.length;
if (!t)
return null;
for (var n, r = 0, i = 0; i < t; ++i) {
var a = e[i],
o = cachedElementBoundingRect(a),
l = o.width * o.height;
l > r && (n = a, r = l)
}
return n
}
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 (function() {
return 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) {
var c = o[s],
u = r[c];
u ? u.push(a) : r[c] = [a]
}
}
var m = Math.floor(n / 2);
for (var c in r) {
var u = r[c];
if (u.length > m)
return u
}
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;
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) {
if (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 ? null : r.width * r.height < i.minimumArea ? null : !n && r.top > i.maximumTop ? null : 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 = r[a],
l = cachedElementBoundingRect(o);
l.width > t.width * CandidateMinimumWidthPortionForIndicatorElements && (n -= l.height)
}
for (var s = e.querySelectorAll("ol, ul"), c = s.length, u = null, a = 0; a < c; ++a) {
var m = s[a];
if (!(u && u.compareDocumentPosition(m) & Node.DOCUMENT_POSITION_CONTAINED_BY)) {
var d = m.getElementsByTagName("li"),
h = d.length,
g = cachedElementBoundingRect(m);
if (h) {
var f = g.height / h,
p = getComputedStyle(d[0]),
E = parseInt(p.lineHeight);
if (isNaN(E)) {
E = fontSizeFromComputedStyle(p) * BaseLineHeightRatio
}
g.width > t.width * CandidateMinimumWidthPortionForIndicatorElements && f / E < CandidateMinumumListItemLineCount && (n -= g.height, u = m)
} else
n -= g.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)
}
for (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, 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)
}
}
for (var h = this.basicScore(), g = o - e, f = this.textNodes.length, p = 0, E = 0, 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])
}
for (var s = t.length, 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;
for (var r = e.textNodes, i = r.length, n = 0; n < i; ++n)
r[n].alreadyCounted || this.textNodes.push(r[n]);
for (var 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) {
if (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)