Function callback

src/renderer/util/queue.ts:18–38

(...args)

  let queued: Parameters<T> | undefined;

  const callback: QueueOneWrapper<T> = (...args) => {
    if (isBusy) {
      queued = args;
    } else {
      isBusy = true;

      fn(...args)
      .catch(error => {
        console.error('queueOne - Error thrown in wrapped function!', error);
      })
      .finally(() => {
        isBusy = false;

        if (queued) {
          const next = queued;
          queued = undefined;
          callback(...next);
        }
      });
    }
  };

  return callback;
}