Fixes a bug in the DeepL CloudFlare Challenge in the Firefox browser

deepl-cf-challenge-fix.user.js

// ==UserScript==
// @name         DeepL challenge fix
// @namespace    local.deepl.fix
// @version      0.1
// @description  Fixes a bug in the DeepL CloudFlare Challenge in the Firefox browser
// @match        *://www.deepl.com/*
// @sandbox      raw
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const cleanup = () => {
        const inertElements = document.querySelectorAll('[inert]')
        const widgetElement = document.querySelector('#challenge-widget')

        if (!inertElements.length && !widgetElement) return;

        console.log(`Inert count: ${inertElements.length}`);
        console.log(`Widget removed: ${!!widgetElement}`);
        widgetElement?.remove();
        inertElements.forEach(el => {
            el.inert = false;
            el.removeAttribute('inert');
        });
    };

    new MutationObserver(cleanup).observe(document.documentElement, {
        subtree: true,
        childList: true,
        attributes: true,
        attributeFilter: ['inert']
    });

    cleanup();
})();