GitLab Dark Mode When Not Logged In のソースコード

GitLab Dark Mode When Not Logged In

For some reason you can't enable dark theme if you are not logged in, but with this script you can!

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// ==UserScript==
// @name         GitLab Dark Mode When Not Logged In
// @description  For some reason you can't enable dark theme if you are not logged in, but with this script you can!
// @version      1.0.0
// @author       Pabli
// @namespace    https://github.com/pabli24
// @icon         https://www.google.com/s2/favicons?sz=64&domain=gitlab.com
// @license      MIT
// @match        https://gitlab.com/*
// @run-at       document-body
// @grant        none
// ==/UserScript==

const isLight = document.documentElement.classList.contains('gl-light');
const isDark = document.documentElement.classList.contains('gl-dark');
const isNotLoggedIn = document.querySelector('header').classList.contains('header-logged-out');

if (isLight && !isDark && isNotLoggedIn) {
	document.documentElement.classList.replace('gl-light', 'gl-dark');
	
	document.head.innerHTML += '<meta name="color-scheme" content="dark light" />';
	document.head.innerHTML += '<link rel="stylesheet" href="/assets/application_dark-449c0613e86649a202dfb0d731bf88a31c63817b6e76fa7cc0ff22bb00af6106.css" />';
	document.head.innerHTML += '<link rel="stylesheet" href="/assets/highlight/themes/dark-d3b12a96d7c0b736869f2869cd6bf53fc38874df1fd29dfc0018b772e7d95eb6.css" />';
	
	const observer = new MutationObserver(mutations => {
		document.querySelectorAll('.white').forEach(element => {
			element.classList.replace('white', 'dark');
		});
	});
	observer.observe(document.body, { childList: true, subtree: true });
}