swingmusic-extended/src/utils/useFormatSeconds.ts

/**
 * Converts seconds into minutes and hours.
 * @param seconds The seconds to convert
 * @param long Whether to provide the time in the long format
 */
export default function formatSeconds(seconds: number, long?: boolean) {
  if (seconds == undefined) {
    return "00:00";
  }

  const date = new Date(seconds * 1000);

  const hh = date.getUTCHours();
  const mm = date.getUTCMinutes();
  const ss = date.getUTCSeconds();

  let _hh = hh < 10 ? `0${hh}` : hh;
  let _mm = mm < 10 ? `0${mm}` : mm;
  let _ss = ss < 10 ? `0${ss}` : ss;

  if (long == true) {
    if (hh === 1) {
      _hh = hh + " Hour";
    } else {
      _hh = `${hh} Hours`;
    }

    if (mm === 1) {
      _mm = mm + " Minute";
    } else {
      _mm = `${mm} Minutes`;
    }

    if (hh > 0) {
      return `${_hh}, ${_mm}`;
    } else {
      return `${_mm}`;
    }
  }

  if (hh > 0) {
    return `${_hh}:${_mm}:${_ss}`;
  } else {
    return `${_mm}:${_ss}`;
  }
}