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Add userscript for displaying an RSS/Atom icon on webpages with a feed

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smpl 2022-03-11 15:10:41 +01:00
parent 003c5377bd
commit 690a63b767
1 changed files with 27 additions and 0 deletions
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RSS.user.js Normal file
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// ==UserScript==
// @name RSS
// @description Insert feed icon on pages with RSS/Atom feeds
// @version 1
// @grant none
// ==/UserScript==
/* SPDX-License-Identifier: Zlib
Copyright (C) 2022 smpl <smpl@slamkode.ml>
Embedding RSS icon under LGPL */
function insert_feed_icon(feed) {
var s_icon = 'data:image/svg+xml;base64,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';
var el_div = document.createElement('div');
el_div.setAttribute('style', 'position: fixed; z-index: 100; right: 8px; bottom: 8px; width: 16px; height: 16px; margin: 0; padding: 0;');
el_div.innerHTML = el_div.innerHTML + ' <a href="' + feed + '"><img src="' + s_icon + '" alt="feed" style="width: 16px; height: 16px; margin: 0; padding 0;"></a> ';
document.body.appendChild(el_div);
}
var rss = document.querySelector("html head link[type='application/rss+xml']");
var atom = document.querySelector("html head link[type='application/atom+xml']");
// Prefers RSS over Atom
if(rss)
insert_feed_icon(rss.getAttribute('href'));
else if(atom)
insert_feed_icon(atom.getAttribute('href'));