creating readable streams with async generators

我们可以使用 Readable.from() 实用方法从异步生成器构造 Node.js 可读流：

const { Readable } = require('stream');
async function * generate() {
  yield 'a';
  yield 'b';
  yield 'c';
}
const readable = Readable.from(generate());
readable.on('data', (chunk) => {
  console.log(chunk);
});