function animateProgress(message, amountOfDots) {
  if (typeof amountOfDots !== 'number') {
    amountOfDots = 3;
  }

  let i = 0;
  return setInterval(function() {
    readline.cursorTo(process.stdout, 0);
    i = (i + 1) % (amountOfDots + 1);
    const dots = new Array(i + 1).join('.');
    process.stdout.write(message + dots);
  }, 500);
}
Adds an animated progress indicator

@param  {string} message      The message to write next to the indicator
@param  {number} amountOfDots The amount of dots you want to animate