Contact emails...@chromium.org, rez...@chromium.org

Explainerhttps://github.com/tc39/proposal-array-from-async

Specificationhttps://tc39.es/proposal-array-from-async

Summary

Array.fromAsync is the async version of Array.from. It takes async
iterables, iterates them, and collects the results into an array.


Blink componentBlink>JavaScript>Language
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EJavaScript%3ELanguage>

TAG reviewNone

TAG review statusNot applicable

Risks


Interoperability and Compatibility

No known interop or web compat risk.


*Gecko*: Positive (https://bugzilla.mozilla.org/show_bug.cgi?id=1746209)
This is a TC39 Stage 3 proposal.

*WebKit*: Positive This is a TC39 Stage 3 proposal.

*Web developers*: Positive (
https://twitter.com/erickwendel_/status/1555206623836127232) Seems
positive, lots of likes on Twitter.

*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?

None


Debuggability

It is debugged as any other static method in JavaScript.


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

Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
?Yes

https://github.com/tc39/test262/issues/3725


Flag name on chrome://flags--harmony_array_from_async

Finch feature nameNone

Non-finch justificationNone

Requires code in //chrome?False

Tracking bughttps://bugs.chromium.org/p/v8/issues/detail?id=13321

Estimated milestones
DevTrial on desktop 120
DevTrial on Android 120

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).
None

Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5069575759069184

This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.

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