Function parseSrtTimestamp

packages/cli/src/whisper/normalize.ts:253–262

Parse SRT timestamp: 00:01:23,456 → seconds

(ts: string)

/** Parse SRT timestamp: 00:01:23,456 → seconds */
function parseSrtTimestamp(ts: string): number {
  const m = ts.match(/(\d+):(\d+):(\d+)[,.](\d+)/);
  if (!m) return 0;
  return (
    parseInt(m[1]!, 10) * 3600 +
    parseInt(m[2]!, 10) * 60 +
    parseInt(m[3]!, 10) +
    parseInt(m[4]!.padEnd(3, "0"), 10) / 1000
  );
}

/** Parse VTT timestamp: 00:01:23.456 or 01:23.456 → seconds */
function parseVttTimestamp(ts: string): number {