DarkTube

Set dark mode on youtube and turn off autoplay next video

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.

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

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            DarkTube
// @name:ru         DarkTube
// @namespace       darktube
// @version         0.2
// @description     Set dark mode on youtube and turn off autoplay next video
// @description:ru  Устанавливает темный режим на ютюбе и выключает автозапуск следующего видео
// @author          Blank
// @match           https://www.youtube.com/*
// @run-at          document-start
// @grant           none
// @noframes
// ==/UserScript==

(function main() {
  'use strict';

  const log = (...args) => console.log(`${GM.info.script.name}:`, ...args);
  log('start');

  // set darkmode and autopay off cookie before page loaded

  const cookiePref = document.cookie.replace(/(?:(?:^|.*;\s*)PREF\s*=\s*([^;]*).*$)|^.*$/, '$1');
  const prefDarkAndAutopay = 'f6=400&f5=30000';
  if (!cookiePref.includes(prefDarkAndAutopay)) {
    document.cookie = `PREF=${cookiePref ? `&${cookiePref}` : ''}${prefDarkAndAutopay};path=/;domain=.youtube.com;max-age=315360000`;
    log('cookie injected');
  }

}());