Shuffle people quick filters in our Jira board

standupShuffle.js

(() => {
  // https://stackoverflow.com/a/2450976/2178159
  // Fisher-Yates
  function shuffle(array) {
    var currentIndex = array.length, temporaryValue, randomIndex;

    // While there remain elements to shuffle...
    while (0 !== currentIndex) {

      // Pick a remaining element...
      randomIndex = Math.floor(Math.random() * currentIndex);
      currentIndex -= 1;

      // And swap it with the current element.
      temporaryValue = array[currentIndex];
      array[currentIndex] = array[randomIndex];
      array[randomIndex] = temporaryValue;
    }

    return array;
  }

  // This has been updated for jira cloud. See prior commit for old jira
  const buttons = Array.from(document.querySelectorAll("#ASSIGNEE + div > div"));
  const parents = buttons.map(b => {
    const p = b.parentElement;
    p.removeChild(b);
    return p;
  });
  
  shuffle(buttons);
  
  parents.forEach((p, i) => {
    p.appendChild(buttons[i]);
  });
})();