@remix-run/node-fetch-server/src/lib/read-stream.ts

Build servers for Node.js using the web fetch API

export async function* readStream(stream: ReadableStream<Uint8Array>): AsyncIterable<Uint8Array> {
  let reader = stream.getReader();

  try {
    while (true) {
      let result = await reader.read();
      if (result.done) break;
      yield result.value;
    }
  } finally {
    reader.releaseLock();
  }
}