YouTube Sidebar Auto Expand

Enable the left sidebar

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         YouTube Sidebar Auto Expand
// @namespace    http://tampermonkey.net/
// @version      1.4
// @author       Luo
// @description  Enable the left sidebar
// @match        https://www.youtube.com/*
// @icon         https://www.youtube.com/s/desktop/fe2icons/yt_favicon_144.png
// @grant        none
// @license MIT
// ==/UserScript==

(function() {
    'use strict';

    function isHomepage() {
        return location.pathname === '/';
    }

    function clickSidebarButton() {
        const btn = document.querySelector(
            "ytd-mini-guide-entry-renderer #endpoint, #guide-button, yt-icon-button#guide-button, ytd-app #guide-icon"
        );
        const app = document.querySelector("ytd-app");
        if (btn && app && !app.hasAttribute("guide-persistent-and-visible")) {
            btn.click();
            return true;
        }
        return false;
    }

    function waitForHomepageAndButton() {
        if (!isHomepage()) return;

        const interval = setInterval(() => {
            const clicked = clickSidebarButton();
            if (clicked) {
                clearInterval(interval);
            }
        }, 500);
    }

    let lastPath = location.pathname;
    new MutationObserver(() => {
        if (location.pathname !== lastPath) {
            lastPath = location.pathname;
            waitForHomepageAndButton();
        }
    }).observe(document.body, { childList: true, subtree: true });

    waitForHomepageAndButton();
})();