使用 postMessage() 传输

¥Transferring with postMessage()

可以使用 <MessagePort> 传输 <TransformStream> 实例。

¥A <TransformStream> instance can be transferred using a <MessagePort>.

const stream = new TransformStream();

const { port1, port2 } = new MessageChannel();

port1.onmessage = ({ data }) => {
  const { writable, readable } = data;
  // ...
};

port2.postMessage(stream, [stream]); 拷贝