关于极简react的useStateDemo的问题

[yuqiuyu123]

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if (hook.queue.pending) {
  let firstUpdate = hook.queue.pending.next;
  do {
    const action = firstUpdate.action;
    baseState = action(baseState);
    firstUpdate = firstUpdate.next;
  } while (firstUpdate !== hook.queue.pending)
  hook.queue.pending = null;
}

hook.queue.pending = null;为空的话dispatchAction方法的else逻辑不会执行？