Twitter Auto Dark Mode

Auto dark mode for Twitter -- or X

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name             Twitter Auto Dark Mode
// @version          1.11
// @author           Yukiteru
// @license          MIT
// @grant            none
// @match            *://x.com/*
// @description      Auto dark mode for Twitter -- or X
// @namespace https://greatest.deepsurf.us/users/91424
// ==/UserScript==

function toggleTheme(isDarkMode) {
  // 0 stands for light mode, 1 for dark blue mode, 2 for dark mode
  const mode = isDarkMode ? 1 : 0;
  document.cookie = `night_mode=${mode};path=/;domain=.x.com;secure`;
}

const darkMedia = window.matchMedia('(prefers-color-scheme: dark)');
toggleTheme(darkMedia.matches); // toggle theme when page loaded

darkMedia.addEventListener('change', e => {
  toggleTheme(e.matches); // toggle theme when system theme is changed
});