Google Play Music Deduplicator

google-play-music-deduplicator.js

var mainPanel = document.querySelector("#mainContainer");
var lastProcessedSong = '';
mainPanel.scrollTop = 0;
function processSong() {
    var topSong = document.querySelector('.song-table tr.song-row');
    console.log(topSong);
    if (topSong.dataset.id !== lastProcessedSong) {
        var nextSong = document.querySelector('.song-table tr.song-row:nth-child(3)');
        var topSongTitle = topSong.querySelector('[data-col=title] .column-content').textContent;
        var nextSongTitle = nextSong.querySelector('[data-col=title] .column-content').textContent;
        var topSongArtist = topSong.querySelector('[data-col=artist] .column-content').textContent;
        var nextSongArtist = nextSong.querySelector('[data-col=artist] .column-content').textContent;
        if ((topSongArtist === nextSongArtist) && topSongTitle.startsWith(nextSongTitle) || nextSongTitle.startsWith(topSong)) {
            for (var i = 0; i < columns.length; i++) {
                columns[i].style.background = 'yellow';
            }
            var columns = nextSong.querySelectorAll('td');
            for (var i = 0; i < columns.length; i++) {
                columns[i].style.background = 'yellow';
            }
            return;
        }
    }
    lastProcessedSong = topSong.dataset.id;
    mainPanel.scrollTop += 41;
    if (mainPanel.scrollTop < (mainPanel.scrollHeight - mainPanel.clientHeight)) {
        window.setTimeout(processSong, 50);
    }
}
processSong();