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Fix getting nodes from null document element

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Hongbo Wu 2022-06-27 11:09:38 +08:00
parent 06cb18869b
commit 2504348936
1 changed files with 4 additions and 4 deletions
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8
packages/readabilityjs/Readability.js
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@ -65,8 +65,8 @@ const extractPublishedDateFromAuthor = (author)=> {
/**
* Public constructor.
* @param {HTMLDocument} doc The document to parse.
* @param {Object} options The options object.
* @param {Document} doc The document to parse.
* @param {Object} options The options object.
*/
function Readability(doc, options) {
// In some older versions, people passed a URI as the first argument. Cope:
@ -1517,9 +1517,9 @@ Readability.prototype = {
// Checking for the figures inside of the <header> tags and appending them to the content if not there aleady,
// b/c some articles contains first image nested into the <header> elemens that is not considered as an article content at all.
// Example article: https://www.vanityfair.com/news/2020/12/trump-vaccine-summit-herd-immunity
const headerNodes = this._getAllNodesWithTag(this._doc.documentElement, ['HEADER']);
const headerNodes = this._doc.documentElement && this._getAllNodesWithTag(this._doc.documentElement, ['HEADER']);
const alreadyExistingFigures = this._getAllNodesWithTag(articleContent, ['FIGURE']);
this._forEachNode(headerNodes, headerNode => {
headerNodes && this._forEachNode(headerNodes, headerNode => {
if (!headerNode || !headerNode.readability || !headerNode.readability.contentScore)
return;