Function parseDuration

packages/computer/src/artifacts/duration.ts:33–63

(input: string)

 * argv-shape error (exit 129).
 */
export function parseDuration(input: string): number {
  const raw = input.trim();
  if (raw === "") throw new RangeError("empty duration");

  // A bare integer is seconds — preserve the historical contract.
  if (/^\d+$/.test(raw)) {
    const seconds = Number.parseInt(raw, 10);
    if (seconds <= 0) throw new RangeError(`duration must be positive (got '${input}')`);
    return seconds;
  }

  // Otherwise require one or more <integer><unit> segments. No sign,
  // no decimal point — TTLs are whole seconds.
  const segment = /(\d+)([a-z])/giy;
  let total = 0;
  let consumed = 0;
  for (let match = segment.exec(raw); match !== null; match = segment.exec(raw)) {
    const [whole, digits, unit] = match;
    const factor = UNIT_SECONDS[unit.toLowerCase()];
    if (factor === undefined) {
      throw new RangeError(`unknown duration unit '${unit}' in '${input}'`);
    }
    total += Number.parseInt(digits, 10) * factor;
    consumed += whole.length;
  }
  if (consumed !== raw.length) {
    throw new RangeError(`invalid duration '${input}'`);
  }
  if (total <= 0) throw new RangeError(`duration must be positive (got '${input}')`);
  return total;
}