Function createPromiseLock

createPromiseLock(): {
    clear: () => void;
    isWaiting: () => boolean;
    run: <T = void>(fn: () => Promise<T>) => Promise<T>;
    wait: () => Promise<void>;
}
Create a promise task execution lock

创建一个 promise 任务执行锁

Returns {
    clear: () => void;
    isWaiting: () => boolean;
    run: <T = void>(fn: () => Promise<T>) => Promise<T>;
    wait: () => Promise<void>;
}
Example
```
const lock = createPromiseLock()

lock.run(async () => {
  await doSomething()
})

// in anther context:
await lock.wait() // it will wait all tasking finished
```
- Defined in src/promise/lock.ts:22