opendesk

1/** Duration as at most two units, never decimal hours: "2h 30m", "45m"; sub-minute rounds up to "1m" */
2export function formatSeconds(
3  seconds: number | null | undefined
4): string | null {
5  if (seconds === null || seconds === undefined || seconds < 0) return null;
6  const days = Math.floor(seconds / 86400);
7  const hours = Math.floor((seconds % 86400) / 3600);
8  const minutes = Math.floor((seconds % 3600) / 60);
9  if (days) return hours ? `${days}d ${hours}h` : `${days}d`;
10  if (hours) return minutes ? `${hours}h ${minutes}m` : `${hours}h`;
11  if (minutes) return `${minutes}m`;
12  return "1m";
13}
14