Fetch API: Response construction with ReadableStream

Category: Network / Connectivity
Type: New or changed feature
Status: Enabled by default (Chrome 52)
Intent stage: None

Summary

Developers can now construct their own ReadableStream instances, and use one as a body for constructing a Response object. It enables streaming composed body data from a ServiceWorker to a page controlled by it.

Standards & signals

Specification: https://fetch.spec.whatwg.org/
Firefox: In development
Safari: In development
Web developers: Strongly positive
Tracking bug: https://code.google.com/p/chromium/issues/detail?id=564479

Docs: https://streams.spec.whatwg.org/#rs https://developers.google.com/web/updates/2016/06/sw-readablestreams

Samples: https://jakearchibald.com/2016/streams-ftw/

View on chromestatus.com