流 Promise API

【Streams Promises API】

stream/promises API 提供了一组用于流的异步实用函数，这些函数返回 Promise 对象，而不是使用回调。该 API 可以通过 require('node:stream/promises') 或 require('node:stream').promises 访问。

【The stream/promises API provides an alternative set of asynchronous utility functions for streams that return Promise objects rather than using callbacks. The API is accessible via require('node:stream/promises') or require('node:stream').promises.】