DeleteYoutubePlaylists.user.js

// ==UserScript==
// @name         Delete YouTube Playlists Except First
// @namespace    typpi.online
// @version      1.5
// @description  Delete all YouTube playlists except the first one from YouTube Studio
// @author       Nick2bad4u
// @license      UnLicense
// @homepageURL  https://userstyles.github.typpi.online
// @match        https://studio.youtube.com/*
// @grant        none
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// ==/UserScript==

(function () {
	'use strict';

	// Create and style the UI button
	const uiButton =
		document.createElement('button');
	uiButton.innerText = 'Start Deleting Playlists';
	uiButton.style.position = 'fixed';
	uiButton.style.top = '10px';
	uiButton.style.right = '10px';
	uiButton.style.zIndex = '1000';
	uiButton.style.padding = '10px 20px';
	uiButton.style.backgroundColor = '#ff0000';
	uiButton.style.color = '#ffffff';
	uiButton.style.border = 'none';
	uiButton.style.borderRadius = '5px';
	uiButton.style.cursor = 'pointer';
	document.body.appendChild(uiButton);

	// Function to delete playlists
	function deletePlaylists() {
		// Get all menu buttons
		const menuButtons = document.querySelectorAll(
			'ytcp-icon-button#overflow-menu-button',
		);

		if (menuButtons.length > 1) {
			let i = 1;

			function deleteNextPlaylist() {
				if (i < menuButtons.length) {
					menuButtons[i].click();

					setTimeout(() => {
						const deleteButton = Array.from(
							document.querySelectorAll(
								'ytcp-text-menu yt-formatted-string.item-text',
							),
						).find(
							(el) => el.innerText === 'Delete',
						);

						if (deleteButton) {
							deleteButton.click();

							setTimeout(() => {
								const confirmButton =
									document.querySelector(
										'ytcp-button[id="confirm-button"]',
									);
								if (confirmButton) {
									confirmButton.click();
									i++;
									setTimeout(
										deleteNextPlaylist,
										1000,
									); // Wait for 1 seconds before the next deletion
								}
							}, 500);
						} else {
							i++;
							setTimeout(
								deleteNextPlaylist,
								2000,
							); // Move to next if delete button not found
						}
					}, 500);
				} else {
					uiButton.innerText =
						'Deletion Complete';
				}
			}

			deleteNextPlaylist();
		} else {
			alert(
				'No playlists found or only one playlist present.',
			);
		}
	}

	// Add event listener to the button
	uiButton.addEventListener('click', () => {
		uiButton.innerText = 'Deleting Playlists...';
		deletePlaylists();
	});
})();