google-play-music-playlist.js

// Some inspiration from
// https://github.com/patiek/GoMusPlaylistExport/blob/master/exporter.js

(async function() {

async function delay(ms) {
  return new Promise(resolve => setTimeout(resolve, ms));
}


let csvContent = '';
const scrolledTo = {}, indexed = {};

do {
  const rows = document.querySelectorAll('tr.song-row');

  rows.forEach(row => {
    const entryId = row.getAttribute('data-id');

    if(indexed[entryId]) return;

    const entry =
    [
      entryId,
      row.querySelector('td[data-col="index"]').textContent.trim(),
      row.querySelector('td[data-col="title"]').textContent.trim(),
      row.querySelector('td[data-col="artist"]').textContent.trim(),
      row.querySelector('td[data-col="album"]').textContent.trim(),
      row.querySelector('td[data-col="duration"]').textContent.trim(),
      row.querySelector('td[data-col="play-count"]').textContent.trim()
    ].map(i => `"${i}"`).join(',');

    indexed[entryId] = true;

    csvContent += `${entry}\n`;
  });

  const last = rows[rows.length - 1];
  const lastId = last.getAttribute('data-id');
  if(scrolledTo[lastId]) {
    break;
  }
  last.scrollIntoView();
  scrolledTo[lastId] = true;
  
  await delay(2000);

} while (true);


console.log(csvContent);
console.log(`indexed count: ${Object.keys(indexed).length}`);


  const downloadAnchor = document.createElement('a');
  const downloadBlob = new Blob([csvContent], {'type': 'text/csv'});
  downloadAnchor.href = window.URL.createObjectURL(downloadBlob);
  downloadAnchor.download = `${document.querySelector('h2[slot="title"]').textContent}.csv`;
  downloadAnchor.click();

})();