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Code Issues Releases Activity

Clipper: Adding support for clipping page as HTML

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This commit is contained in:
Laurent Cozic
2019-07-14 16:00:02 +01:00
parent 3e48992eb4
commit a0dd0702fb
15 changed files with 866 additions and 146 deletions
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45
ReactNativeClient/lib/htmlUtils.js Normal file
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const jsdom = require("jsdom");
const { JSDOM } = jsdom;
const htmlUtils = {
extractImageUrls(html) {
if (!html) return [];
const dom = new JSDOM(html);
const imgs = dom.window.document.getElementsByTagName('img');
const output = [];
for (const img of imgs) {
const src = img.getAttribute('src');
if (!src) continue;
output.push(src);
}
return output;
},
replaceImageUrls(html, callback) {
if (!html) return '';
const dom = new JSDOM(html);
const doc = dom.window.document;
const imgs = doc.getElementsByTagName('img');
for (const img of imgs) {
const src = img.getAttribute('src');
const newSrc = callback(src);
img.setAttribute('src', newSrc);
}
// This function returns the head and body but without the <head> and <body>
// tag, which for our purpose are not needed and can cause issues when present.
const output = [];
if (doc.head) output.push(doc.head.innerHTML);
if (doc.body) output.push(doc.body.innerHTML);
return output.join('\n');
},
};
module.exports = htmlUtils;