Youtube new Sidebar, cleaner and playlists separated from Youtube generated lists.

yt-sidebar.js

// ==UserScript==
// @name         Youtube New Sidebar
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Youtube new Sidebar, cleaner and playlists separated from Youtube generated lists.
// @author       Your Grandma
// @match        https://www.youtube.com/*
// @icon         https://t1.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&fallback_opts=TYPE,SIZE,URL&url=https://youtube.com
// @grant        none
// ==/UserScript==

let intVV = setInterval(()=>{
    if (document.querySelector('#endpoint[title="Show more"]')) {
        document.querySelector('#endpoint[title="Show more"]').dispatchEvent(new Event('click',{
            bubbles: true
        }));
        clearInterval(intVV);
        ///
        ////New Sidebar
        ///
        setTimeout(()=>{
            let sidebar = []
            document.querySelector('h3 + #items').setAttribute('style', `height:0;overflow:hidden;position:relative;`);
            document.querySelector('#newMenu') && (document.querySelector('#newMenu').outerHTML = '');
            //#sections >ytd-guide-section-renderer:first-child  #items a[role="tablist"]
            document.querySelectorAll('#sections >ytd-guide-section-renderer:first-child  #items a[role="tablist"]').forEach((e,i)=>{
                sidebar.push({text: e.querySelector('.title').innerText,el: e.closest('ytd-guide-entry-renderer')});
            });
            document.querySelector('h3 + #items').insertAdjacentHTML('afterend', '<div id="newMenu"></div>');
            let playlists = sidebar.filter(e=>~e.text.indexOf('-'));
            sidebar = sidebar.filter(e=>!e.text.match(/(Show |library|your|downloads|-)/i));
            playlists.sort((b,a)=>Date.parse(a.text) - Date.parse(b.text));
            let addMenu = (arr)=>{arr.forEach(e=>{document.querySelector('#newMenu').insertAdjacentElement('beforeend', e.el);});};

            addMenu(sidebar);
            document.querySelector('#newMenu').insertAdjacentHTML('beforeend', `<div style="border: 1px solid #373737;margin: 10px 0px;"></div>`);
            document.querySelector('#newMenu').insertAdjacentHTML('beforeend', `<h3 style="    font-family: Roboto, Arial, sans-serif;    --app-drawer-width: 240px;    --app-drawer-content-container-background-color: var(--yt-spec-general-background-a);    visibility: visible;    --yt-endpoint-color: var(--yt-spec-text-primary);    --paper-item-min-height: 40px;    color: var(--yt-spec-text-secondary);    display: block;    padding: 8px 24px;    font-size: var(--ytd-tab-system_-_font-size);    font-weight: var(--ytd-tab-system_-_font-weight);    letter-spacing: var(--ytd-tab-system_-_letter-spacing);    text-transform: var(--ytd-tab-system_-_text-transform);">Playlists</h3>`);
            addMenu(playlists);
            document.querySelectorAll('.ytd-app #sections ytd-guide-section-renderer:not(:first-child)').forEach(e=>e.style.display = "none");
            document.querySelector('#guide-inner-content div#footer').style.display = "none"; // Legal stuff
        }
        , 100);

    }
}
, 100);