shuffle all songs on spotify library

spotify-shuffle-all.js

/**
* paste in the browser console and hit enter
*/

var observer = new MutationObserver(function(mutations) {
  mutations.forEach(function(mutationRecord) {
    window.onChangeProgressBar(
      +mutationRecord.target.style.transform.split('.')[0].replace(/\D/gim, '')
    );
  });
});

var target = document.querySelector('.progress-bar__fg');

if (!target) {
  throw new Error('progress-bar__fg does note exist');
}

observer.observe(target, { attributes: true, attributeFilter: ['style'] });

window.onChangeProgressBar = function(progress) {
  if(progress !== 0) return;
  const playlists = [...document.querySelectorAll('[aria-label="Play"]')];
  playlists[Math.floor(Math.random() * playlists.length)].click();
};