Fetch Stream

fetch stream

async function* streamAsyncIterator(stream) {
  const reader = stream.getReader()
  try {
    while (true) {
      const { done, value } = await reader.read()
      if (done) return
      yield value
    }
  } finally {
    reader.releaseLock()
  }
}

const res = await fetch(url, {
      method: 'POST',
       headers: {
       Accept: "application/json",
      'Content-Type': 'application/json'
     },
  body: JSON.stringify({})
})
for await (const item of streamAsyncIterator(res.body)) datas.push(item)