Fetch Streaming Body

[ambarc]

Question about RN's fetch API spec vs the Web Spec.

For reading a JSON stream through a browser - something like this works:

fetch(url).then(response => {
  const reader = response.body.getReader();
  const decoder = new TextDecoder();

  reader.read().then(function process(result) {
    if (result.done) return;
    const text = decoder.decode(result.value, {stream: true});
    console.log(text);
    return reader.read().then(process);
  }).then(() => {
    console.log('All done!');
  });
});

However, in RN - response.body returns as undefined. Is this missing in RN's fetch spec? Is there an alternative to consume the partial stream?

[ambarc]

@vjeux sorry to page. Does React Native's fetch implementation support streaming?

[charpeni]

@facebook-github-bot label Icebox

[charpeni]

Hi there! This issue is being closed because it has been inactive for a while.

But don't worry, it will live on with ProductPains! Check out its new home: https://productpains.com/post/react-native/fetch-streaming-body

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Also, if this issue is a bug, please consider sending a PR with a fix.
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[charpeni]

@facebook-github-bot close

[facebook-github-bot]

@charpeni tells me to close this issue. If you think it should still be opened let us know why.

[yuyao110120]

This question resolved or have a plan now? Steam feature is good for download file process.

[ambarc]

ended up using websockets.