Function pad

apps/vis/web/src/util/time.ts:23–23

(n: number)

  if (!epochMs || !Number.isFinite(epochMs)) return '—';
  const d = new Date(epochMs);
  const pad = (n: number) => String(n).padStart(2, '0');
  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}`;
}