Turn Youtube links into IINA application links.

iina-youtube.js

// ==UserScript==
// @name        Open Youtube links in IINA
// @namespace   https://palfun-foslup.urbit.org/
// @description Replaces Youtube links with a link to open them in IINA. Set a useful whitelist for yourself.
// @include     *youtube.com/*
// @updateURL   https://gist.githubusercontent.com/Fang-/7db1ac4e798a7128f006fa535f42cfb0/raw/25b60b08e55be87d2b0d5630d1f580b15ca2870d/iina-youtube.js
// @downloadURL https://gist.githubusercontent.com/Fang-/7db1ac4e798a7128f006fa535f42cfb0/raw/25b60b08e55be87d2b0d5630d1f580b15ca2870d/iina-youtube.js
// @run-at      document-end
// @version     1.0
// ==/UserScript==

var ans = document.getElementsByTagName("a");
for (var i = 0; i < ans.length; i++)
{
    var ref = ans[i].href;
    if  (ref.includes("youtube.com/watch?v=") || ref.includes("youtu.be/"))
        ans[i].href = "iina://weblink?url=" + ref;
}