Function pull

packages/effect/test/unstable/httpapi/HttpApiClient.test.ts:836–842

(controller)

  let index = 0
  return new ReadableStream<Uint8Array>({
    pull(controller) {
      if (index === chunks.length) {
        controller.close()
      } else {
        controller.enqueue(textEncoder.encode(chunks[index++]!))
      }
    }
  })
}