Userscript that replaces the KrakenFiles audio player with the browser default

krakenFilesAltPlayer.js

// ==UserScript==
// @name         KrakenFiles Alt Player
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Replaces the KrakenFiles audio player with the browser default
// @author       Kyiro
// @match        *://krakenfiles.com/view/*/file.html
// @icon         https://www.google.com/s2/favicons?sz=64&domain=krakenfiles.com
// @grant        none
// @run-at       document-end
// ==/UserScript==

function replacePlayer(fileURL) {
    const coinInfo = document.getElementById("sfPlayer")?.parentElement;

    const player = document.createElement("audio");

    player.controls = true;
    player.src = fileURL;
    player.style.width = "100%";

    coinInfo.innerHTML = "";
    coinInfo.appendChild(player);
}

(function main() {
    const scriptTags = document.getElementsByTagName("script");

    for (const scriptTag of scriptTags) {
        const matches = scriptTag.innerHTML.match(/m4a:\s?'([^']+)'/);
        if (!matches || matches.length < 1) continue;

        replacePlayer("https:" + matches[1]);
    }
})();