Export a Spotify playlist via the web app

spotify-export-playlist.js

/* USAGE: Go to Spotify page for playlist, copy+paste into console, scroll */

songs = {};

const songCnt = parseInt(document.querySelector('.ebHsEf.RANLXG3qKB61Bh33I0r2').textContent, 10);
console.log(songCnt + ' songs');

id = setInterval(function() {
  const nodes = Array.from(document.querySelectorAll('.h4HgbO_Uu1JYg5UGANeQ.wTUruPetkKdWAR1dd6w4'));

  nodes.forEach(node => {
    node = node.parentNode;

    const title = node.querySelector('.fCtMzo.t_yrXoUO3qGsJS4Y6iXX').innerText;
    const artist = node.querySelector('.iCQtmPqY0QvkumAOuCjr .hHrtFe').innerText;
    const album = node.querySelector('.ebHsEf').innerText;

    const index = parseInt(node.querySelector('.gAmaez').innerText, 10);

    if (Number.isFinite(index)) {
      songs[index] = { title, artist, album };
      node.style.transition = 'all 0.75s';
      node.style.background = '#0a340a';
      node.style.paddingLeft = '1em';
    }
  });

  const cntFound = Object.keys(songs).length;
  console.log(`Found ${cntFound}/${songCnt}`);
  if (cntFound === songCnt) {
    clearInterval(id);
    console.log(Object.keys(songs).sort((a, b) => a - b).map(k => {
      const song = songs[k];
      return `${song.title}  ON  ${song.album}  BY  ${song.artist}`;
    }).join('\n'));
  }
}, 1000);

wow the green highlighting is a great touch