ReadableStream<Uint8Array> to String

snippet.js

// For https://stackoverflow.com/questions/49014689/http-post-request-with-typescript
const reader = response.body.getReader();

const stream = new ReadableStream({
  start(controller) {
    function push() {
      reader.read().then(({ done, value }) => {
        if (done) {
          controller.close();
          return;
        }
        controller.enqueue(value);
        push();
      });
    }
    push();
  }
});

const responseText = await new Response(stream).text()