Function cleanup

src/utils/combinedAbortSignal.ts:40–44

()

  signalB?.addEventListener('abort', abortCombined)

  const cleanup = () => {
    if (timer !== undefined) clearTimeout(timer)
    signal?.removeEventListener('abort', abortCombined)
    signalB?.removeEventListener('abort', abortCombined)
  }

  return { signal: combined.signal, cleanup }
}