OpEx Countdown Skip

A small script to skip the silly countdown of One Piece Ex website
Fra og med 12.03.2022. Se den nyeste version.
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// ==UserScript==
// @name        OpEx Countdown Skip
// @name:pt-BR  OpEx Pula Tempo de Espera
// @autor       SecretX
// @namespace   secretx_scripts
// @description A small script to skip the silly countdown of One Piece Ex website
// @description:pt-br Um pequeno script para pular o contador irritante do site OpEx
// @version     2022.03.12
// @match       *://onepieceex.net/download/?*
// @grant       none
// @icon        https://onepieceex.net/favicon/favicon-32x32.png
// @license     GNU LGPLv3
// ==/UserScript==

Object.defineProperty(Array.prototype, "firstNotNull", {
    value: function firstNotNull() {
        for (const element of this) if (element != null) return element;
        throw new Error("Array contains no non null element.");
    },
    writable: true,
    configurable: true
});

function fallback() {
    // if everything else fails, at least set the countdown to 1
    countElem().innerHTML = 1;
}

const countElem = () => document.getElementById('contador');

const countdownScript = () => document.querySelector("body > script:nth-child(4)").innerText;

function firstScriptLineThatMatches(regex) {
    return countdownScript().split("\n")
        .map(line => line.trim().match(regex))
        .firstNotNull();
}

function haltCountdown() {
    try {
        countElem().remove();
    } catch (e) {}
}

window.addEventListener("DOMContentLoaded", function() {
    'use strict';

    const magnetLinkRegex = /^.+?href="(magnet[^"]+)".*$/i;

    try {
        const magnetLink = firstScriptLineThatMatches(magnetLinkRegex)[1];
        console.info(`Automatically redirecting you to the extracted magnet link from this page: ${magnetLink}`);
        haltCountdown();
        window.location.replace(magnetLink);
    } catch (e) {
        console.error(`Oops, this script was not able to automatically grab the magnet link from this page because of an error. Using fallback that set the countdown to 1. ${e}`);
        fallback();
    }
}, false);