Function fmt

e2e/viewer/src/SessionPlayer.tsx:47–50

(seconds: number)

type CastPlayer = AsciinemaPlayer.Player;

const fmt = (seconds: number): string => {
  const s = Math.max(0, Math.floor(seconds));
  return `${Math.floor(s / 60)}:${String(s % 60).padStart(2, "0")}`;
};

/** The cast's own duration: timestamp of its last event (the file is local
 *  and line-delimited, cheaper and more deterministic than player events). */