Keep YT Sidebar Open

Fuck youtube & keep the sidebar open goddamnit

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         Keep YT Sidebar Open
// @namespace    https://www.youtube.com/
// @version      2025-07-23
// @description  Fuck youtube & keep the sidebar open goddamnit
// @author       trevor229
// @match        https://www.youtube.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant        none
// ==/UserScript==

(function () {
  function waitForSidebarIcon(callback) {
    const selector = 'ytd-mini-guide-renderer ytd-mini-guide-entry-renderer a#endpoint';

    const el = document.querySelector(selector);
    if (el) return callback();

    const observer = new MutationObserver(() => {
      const el = document.querySelector(selector);
      if (el) {
        observer.disconnect();
        callback();
      }
    });

    observer.observe(document.body, { childList: true, subtree: true });
  }

  waitForSidebarIcon(() => {
    const masthead = document.querySelector('ytd-masthead');
    if (masthead) {
      masthead.removeAttribute('visible');
      masthead.setAttribute('persistent-and-visible', '');
    }

    const appDrawer = document.querySelector('tp-yt-app-drawer');
    if (appDrawer) {
      appDrawer.setAttribute('opened', '');
    }

    const app = document.querySelector('ytd-app');
    if (app) {
      app.removeAttribute('mini-guide-visible');
      app.setAttribute('guide-persistent-and-visible', '');
    }

    const miniGuide = document.querySelector('ytd-mini-guide-renderer');
    if (miniGuide) {
      miniGuide.setAttribute('hidden', '');
    }

    console.log('Sidebar fully opened!');
  });
})();