export const toHHMMSS = (secs) => {
  var sec_num = parseInt(secs, 10);
  var hours = Math.floor(sec_num / 3600);
  var minutes = Math.floor(sec_num / 60) % 60;
  var seconds = sec_num % 60;

  return [hours, minutes, seconds]
    .map((v) => (v < 10 ? "0" + v : v))
    .filter((v, i) => v !== "00" || i > 0)
    .join(":");
};