Fetch API: streaming response body

Addition of the response.body property to the Fetch API. response.body is a ReadableStream from the Streams Standard.

Comments

In the future response.body will be upgraded to a ReadableByteStream. This change should be backward-compatible since the ReadableByteStream API is a superset of ReadableStream.

Demo

• https://googlechrome.github.io/samples/fetch-api/fetch-response-stream.html

Documentation

• https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/35_QSL1ABTY
• https://streams.spec.whatwg.org/#rs
• https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API

Specification

Working draft or equivalent

Status in Chromium

Blink components: Blink

Enabled by default (launch bug) in:

• Chrome for desktop release 43
• Chrome for Android release 43
• Android WebView release 43
• Opera release 30
• Opera for Android release 30

Consensus & Standardization

• Firefox: Public support
• Edge: No public signals
• Safari: No public signals
• Web Developers: Strongly positive

Owner

• yhirano@chromium.org

Last updated on 2017-06-14