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Fetch Streaming Body #9629

@ambarc

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@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?

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