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!

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==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 });
}