WritableStream is part of the Streams API for creating, composing, and consuming streams of data. It is the writable counterpart to ReadableStream, which is already shipping in Chrome. It provides a standard abstraction for writing streaming data to a sink, with built-in backpressure and queuing. This is expected to be on by default in Chrome 59.

Demo

• https://streams.spec.whatwg.org/#ws-intro

Documentation

• https://developer.mozilla.org/en-US/docs/Web/API/WritableStream

Specification

Working draft or equivalent

Status in Chromium

Blink components: Blink>Network>StreamsAPI

Enabled by default (tracking bug) in:

• Chrome for desktop release 59
• Chrome for Android release 59
• Android WebView release 59

Consensus & Standardization

• Firefox: In development
• Edge: Shipped/Shipping
• Safari: Shipped/Shipping
• Web Developers: Positive

Owners

• ricea@chromium.org
• tyoshino@chromium.org
• domenic@chromium.org

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Last updated on 2020-11-09