Prevent logout all your account accidentally by misclick at YouTube.
// ==UserScript==
// @name Youtube Logout Confirm
// @name:zh 防止在 Youtube 誤觸登出
// @namespace http://tampermonkey.net/
// @author Microdust
// @version 1.0
// @description Prevent logout all your account accidentally by misclick at YouTube.
// @description:zh 為 Youtube 登出鈕增加確認對話框，避免誤點導致帳號全部登出
// @include *://*.youtube.com/*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
const MSG = (() => {
const userLanguage = navigator.language || navigator.userLanguage;
switch (userLanguage) {
case 'zh-TW':
return '確定要登出嗎？';
case 'zh-HK':
return '確定要登出嗎？';
case 'zh-CN':
return '确定要登出吗？';
default:
return 'Are you sure you want to log out?';
}
})();
function confirmLogout(element) {
const parent = element.closest('a');
if (parent && !parent.dataset.processed) {
parent.dataset.processed = 'true';
const clonedLink = parent.cloneNode(false);
clonedLink.removeAttribute('href');
clonedLink.appendChild(parent.children[0]);
clonedLink.addEventListener('click', (event) => {
event.preventDefault();
if (confirm(MSG)) {
parent.click();
}
});
parent.parentElement.insertBefore(clonedLink, parent);
parent.style.display = 'none';
}
}
const observer = new MutationObserver((mutationsList) => {
for (const mutation of mutationsList) {
if (mutation.type === 'childList') {
const logoutElements = Array.from(document.querySelectorAll('[id=endpoint]')).filter(el => el.href.includes('logout') && !el.closest('a').dataset.processed);
if (logoutElements.length) {
confirmLogout(logoutElements[0]);
}
}
}
});
observer.observe(document.body, { childList: true, subtree: true });
})();