Intent to Ship: Iterator Sequencing

[Chromestatus]

Contact emails

ol...@google.com

Specification

https://github.com/tc39/proposal-iterator-sequencing

Summary

A TC39 proposal to create iterators by sequencing existing iterators. Introduces Iterator.concat ( ...items ).

Blink component

Blink>JavaScript>Language

Web Feature ID

iterator-concat

Motivation

No information provided

Initial public proposal

No information provided

TAG review

No information provided

TAG review status

Not applicable

Risks

Interoperability and Compatibility

No information provided

Gecko: Shipped/Shipping (https://groups.google.com/a/mozilla.org/g/dev-platform/c/mTL4C0f_oT0/m/p8TMe9SEBgAJ)

WebKit: Shipped/Shipping (https://developer.apple.com/documentation/safari-release-notes/safari-18_4-release-notes#JavaScript)

Web developers: No signals

Other signals:

WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that it has potentially high risk for Android WebView-based applications?

No information provided

Debuggability

No information provided

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, ChromeOS, Android, and Android WebView)?

No

Is this feature fully tested by web-platform-tests?

Yes
Covered by Test262

Flag name on about://flags

No information provided

Finch feature name

V8Flag_js_iterator_sequencing

Rollout plan

Will ship enabled for all users

Requires code in //chrome?

False

Tracking bug

https://issues.chromium.org/u/1/issues/434977727

Estimated milestones

Shipping on desktop

146

Anticipated spec changes

Open questions about a feature may be a source of future web compat or interop issues. Please list open issues (e.g. links to known github issues in the project for the feature specification) whose resolution may introduce web compat/interop risk (e.g., changing to naming or structure of the API in a non-backward-compatible way).

No information provided

Link to entry on the Chrome Platform Status

https://chromestatus.com/feature/5193275975794688?gate=4772024979423232

This intent message was generated by Chrome Platform Status.

[Daniel Bratell]

LGTM1

/Daniel

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