YouTube - Save to playlist menu sorted alphabetically

Save to playlist menu sorted alphabetically

As of 2022-08-25. See the latest version.

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         YouTube - Save to playlist menu sorted alphabetically
// @namespace    DoniaCometa.YouTube.SaveToPlaylistAlphabetically
// @license      MIT
// @version      1.0
// @description  Save to playlist menu sorted alphabetically
// @author       DoniaCometa
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant        none
// @match        http*://*.youtube.com/*
// ==/UserScript==
/************************************************************************/
function getMenuAddToPlaylists() {
    return document.getElementById("playlists");
}
function getMenuAddToPlaylistsVisibilityParent() {
    return getMenuAddToPlaylists().parentNode.parentNode;
}
function getMenuAddToPlaylistsIsVisible() {
    return window.getComputedStyle(getMenuAddToPlaylistsVisibilityParent()).display === "block";
}
function stringLocaleCompare(a, b) {
    // for sorting string with emojis icons/emojis and keeping them on top
    // https://stackoverflow.com/questions/59589337/in-javascript-sorting-strings-with-numbers-and-special-characters
    return a.localeCompare(b, undefined, { numeric: true, sensitivity: 'base' });
}
function sortMenuAddToPlaylists() {
    function getPlaylistTitle(playlistElement) {
        return playlistElement.children[0].children[1].children[0].children[0].children[0].title.toLowerCase();
    }
    let playlists = getMenuAddToPlaylists();
    let sorted = true;
    while(sorted) {
        sorted = false;
        for (let i = 1; i < playlists.children.length - 1; i++) {
            let a = playlists.children[i];
            let b = playlists.children[i + 1];
            if (stringLocaleCompare(getPlaylistTitle(a), getPlaylistTitle(b)) > 0) {
                playlists.insertBefore(b, a);
                sorted = true;
            }
        }
    }
}
function canInit() {
    return getMenuAddToPlaylistsIsVisible();
}
function init() {
    console.log("init");
    /*
    var observer = new MutationObserver(function(mutations) {
        mutations.forEach(function(mutationRecord) {
            if (getMenuAddToPlaylistsIsVisible()) {
                sortMenuAddToPlaylists();
            }
        });
    });
    observer.observe(getMenuAddToPlaylistsVisibilityParent(), { attributes : true, attributeFilter : ['style'] });
    sortMenuAddToPlaylists();
    */
    sortMenuAddToPlaylists();
    let intervalId = window.setInterval(function(){
        if (getMenuAddToPlaylistsIsVisible()) {
            sortMenuAddToPlaylists();
        }
    }, 1);
}
/************************************************************************/
(function() {
    'use strict';
    // Your code here...
    let intervalId = window.setInterval(function(){
        if (canInit()) {
            init();
            clearInterval(intervalId);
        }
    }, 100);
})();