Copy SoundCloud playlist items from one to another.

soundCloudPlaylist.js

// Configuration
const WAIT_OPEN_PLAYLIST_POPUP = 1000;
const WAIT_AFTER_ADD_PLAYLIST = 1500;

const TARGET_PLAYLIST_NAME = 'To Do';

// Should the new playlist be in reverse order?
const REVERSE = false;
// Should liked items be skipped?
const SKIP_LIKED = true;


// Implementation
const delta = REVERSE ? -1 : 1;
const nextIndex = (index) => index + delta;

const listItems = Array.from(document.querySelectorAll('.sc-button-group.sc-button-group-small'));

const addItemToPlaylist = (index) => {
    const node = listItems[index];

    if (!node) {
        console.log('Done with all currently loaded items.');
        return;
    }

    if (SKIP_LIKED) {
        const hasLikedButton = node.querySelector('.sc-button-like.sc-button-selected');

        if (hasLikedButton) {
            console.log('Already liked index: ', index);

            setTimeout(() => {
                addItemToPlaylist(nextIndex(index));
            }, 0);

            return;
        }
    }

    node.querySelector('.sc-button-more').click();
    document.querySelector('button.sc-button-addtoset').click();

    setTimeout(() => {
        const playlistRow = Array.from(document.querySelectorAll('.addToPlaylistList__item')).find(node => node.querySelector(`[title="${TARGET_PLAYLIST_NAME}"]`));
        const playListButton = playlistRow.querySelector('button.addToPlaylistButton:not(.sc-button-selected)');
    
        if (!playListButton) {
            console.log('Already added index: ', index);
    
            setTimeout(() => {
                addItemToPlaylist(nextIndex(index));
            }, 0);
    
            return;
        }
    
        playListButton.click();
        console.log('Added index: ', index);
    
        setTimeout(() => {
            addItemToPlaylist(nextIndex(index));
        }, WAIT_AFTER_ADD_PLAYLIST);
    }, WAIT_OPEN_PLAYLIST_POPUP);
};

if (REVERSE) {
    addItemToPlaylist(listItems.length - 1);
} else {
    addItemToPlaylist(0);
}

@Thomasvdam
I got it. I had changed the delays to a lower value thinking it would speed it up or something and it wasn't allowing time for it to even read the playlist name. Thank you for your help!

You are an actual god

thank you from the bottom of my heart