Youtube-Clone/src/utils/date.js

function timeSince(date) {
  var seconds = Math.floor((new Date() - date) / 1000);

  var interval = seconds / 31536000;

  if (interval > 1) {
    return Math.floor(interval) + " year ago";
  }
  interval = seconds / 2592000;
  if (interval > 1) {
    return Math.floor(interval) + " month ago";
  }
  interval = seconds / 86400;
  if (interval > 1) {
    return Math.floor(interval) + " day ago";
  }
  interval = seconds / 3600;
  if (interval > 1) {
    return Math.floor(interval) + " hour ago";
  }
  interval = seconds / 60;
  if (interval > 1) {
    return Math.floor(interval) + " minute ago";
  }
  return Math.floor(seconds) + " seconda ago";
}
export default timeSince;