Function schedule

src/core/process-lifecycle.ts:89–100

()

  let timer: NodeJS.Timeout | null = null;

  const schedule = (): void => {
    if (timer) clearTimeout(timer);
    timer = setTimeout(() => {
      timer = null;
      if (options.isTransportAlive && options.isTransportAlive()) {
        schedule();
        return;
      }
      options.onIdle();
    }, options.timeoutMs);
    unrefHandle(timer);
  };

  schedule();