blacklight/ultimate-guitar-mytabs
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Preventing "Not allowed to navigate top frame to data URL" on Chromium-based browsers

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Chromium no longer allows `data` URLs to be passed to `window.open`.
The best alternative is to simply create an `a` element with a filename
and the `data` URL and let the browser download it on click.
This commit is contained in:
Fabio Manganiello 2022-05-04 02:01:56 +02:00
parent 1a1873bf94
commit 35d50a7b98
1 changed files with 36 additions and 39 deletions
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75
ug.js
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@ -21,55 +21,52 @@
function getTabs() { function getTabs() {
let artist = null; let artist = null;
return [ return [
...document.querySelector('article[isdesktop=true] div').childNodes ...document.querySelector('article[isdesktop=true] div').childNodes
].slice(1).map(item => { ].slice(1).map(item => {
const childNodes = [...item.childNodes]; const childNodes = [...item.childNodes];
const parsedItem = {}; const parsedItem = {};
if (childNodes.length > 0) { if (childNodes.length > 0) {
const cellContent = childNodes[0].innerText.trim(); const cellContent = childNodes[0].innerText.trim();
if (cellContent.length) if (cellContent.length)
artist = cellContent; artist = cellContent;
} }
if (childNodes.length > 1) { if (childNodes.length > 1) {
const cellContent = childNodes[1].innerText.trim(); const cellContent = childNodes[1].innerText.trim();
if (cellContent.length) if (cellContent.length)
parsedItem.title = cellContent; parsedItem.title = cellContent;
const link = childNodes[1].querySelector('a').getAttribute('href'); const link = childNodes[1].querySelector('a').getAttribute('href');
if (link.length) if (link.length)
parsedItem.link = link; parsedItem.link = link;
} }
if (!artist && parsedItem.title) if (!artist && parsedItem.title)
return; return;
parsedItem.artist = artist; parsedItem.artist = artist;
return parsedItem; return parsedItem;
}).filter(item => item) }).filter(item => item)
}
function downloadTabs() {
const tabs = getTabs();
window.open('data:application/json,' + encodeURIComponent(JSON.stringify(tabs)));
} }
function addDownloadButton() { function addDownloadButton() {
const header = document.querySelector('main section header'); const header = document.querySelector('main section header');
if (!header) if (!header)
return; return;
if (header.querySelector('button.__download-btn')) if (header.querySelector('button.__download-btn'))
return; return;
const btn = document.createElement('button'); const tabs = 'data:application/json,' + encodeURIComponent(JSON.stringify(getTabs()));
btn.classList.add('__download-btn'); const btn = document.createElement('a');
btn.innerText = 'Download as JSON'; btn.download = 'tabs.json';
btn.onclick = downloadTabs; btn.innerHTML = 'Download tabs as JSON';
header.querySelector('section').appendChild(btn); btn.style = 'color: #ffc600; text-decoration: underline';
btn.href = tabs;
header.querySelector('section').appendChild(btn);
} }
window.onload = addDownloadButton; window.onload = addDownloadButton;