Intent to Ship: Intl Enumeration API (for m99)

[Frank Tang]

[for m99 AFTER m98 branching off Dec 9, 2021]

Contact emails

ft...@google.com

Explainer

https://github.com/tc39/proposal-intl-enumeration

Specification

https://tc39.es/proposal-intl-enumeration/

Design docs

design doc
https://docs.google.com/document/d/1lbj_YVW-xhzYNMQeHB-qDjVkf4SA-eTHYpYXx3Oaud8
Update slides for TC39 2021-Dec-15
https://docs.google.com/presentation/d/1wR8Yg3JVwa1RAPgQGqUPsRtP0EeMXy_Q8zqgRIKRiQI

Summary

Intl Enumeration API Specification is a new ECMA402 Stage 3 proposal which lists supported values of options in pre-existing API.

Blink component

Blink>JavaScript>Internationalization

TAG review

TAG review status

Not applicable

Risks

Interoperability and Compatibility

The API add a new method to pre-exist Intl method to expose available values for some of the option and should improve interoperability between Intl object and help web developer to figure out compatability issues between browers.

Gecko: Shipped/Shipping (https://bugzilla.mozilla.org/show_bug.cgi?id=1670033) 93

WebKit: Shipped/Shipping (https://bugs.webkit.org/show_bug.cgi?id=214795) Release 132 of Safari Technology Preview https://developer.apple.com/safari/technology-preview/release-notes/

Web developers: No signals (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/supportedValuesOf) MDN link

Other signals:

Ergonomics

The return result of the newly added API could be used to call pre-existing ECMA402 API.

Activation

Should be straightforward since it is adding a new method to pre-exist Intl object and leverage pre-existing concept and property key and values.

Debuggability

This will help web developer to debug issues since it provide all available values for pre-existing function.

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

Yes

Flag name

--harmony_intl_enumeration

Requires code in //chrome?

False

Tracking bug

https://bugs.chromium.org/p/v8/issues/detail?id=10743

Estimated milestones

DevTrial on desktop

95

DevTrial on android

95

Link to entry on the Chrome Platform Status

https://chromestatus.com/feature/5649454590853120

Links to previous Intent discussions

Intent to prototype: https://groups.google.com/a/chromium.org/g/blink-dev/c/Txtf_rSqGH8/m/e27FY33JAQAJ
Ready for Trial: https://groups.google.com/a/chromium.org/g/blink-dev/c/IaTkvH_9DAY/m/1rDxe8lvAAAJ
Intent to Experiment: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOcELL8bV%3DJ1jqt-YK69%3DUqZTurERu%2BnM98J37dZTXQmGdaB2w%40mail.gmail.com

This intent message was generated by Chrome Platform Status.

[Mike Taylor]

LGTM1

Non-blocking question: it seems like the v8 tests we landed for this API aren't in https://test262.report/browse/intl402 - do we eventually upstream those? (Or is the intel402 directory governed by some other process or WG?)

Flag name

--harmony_intl_enumeration

Requires code in //chrome?

False

Tracking bug

https://bugs.chromium.org/p/v8/issues/detail?id=10743

Estimated milestones

DevTrial on desktop

95

DevTrial on android

95

Link to entry on the Chrome Platform Status

https://chromestatus.com/feature/5649454590853120

Links to previous Intent discussions

Intent to prototype: https://groups.google.com/a/chromium.org/g/blink-dev/c/Txtf_rSqGH8/m/e27FY33JAQAJ
Ready for Trial: https://groups.google.com/a/chromium.org/g/blink-dev/c/IaTkvH_9DAY/m/1rDxe8lvAAAJ
Intent to Experiment: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOcELL8bV%3DJ1jqt-YK69%3DUqZTurERu%2BnM98J37dZTXQmGdaB2w%40mail.gmail.com

This intent message was generated by Chrome Platform Status.

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[Frank Tang]

the tests for test262 tests are in 

https://test262.report/browse/intl402/Intl/supportedValuesOf

It is 0% for v8 now because we have not flip this bit and should pass all once the bit flip. 

[Frank Tang]

Dear API owners:

[Five days after my I2S email]

Any questions or feedback I should/need to take action before you grant me a lgtm?

Thanks 

Regards,

Frank Tang

[Chris Harrelson]

LGTM2

To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOcELL8tobxcsTzdmoW%3Da%3DQ67ozMOE0Lj6LhfJd7%3D7Tc7ro2mA%40mail.gmail.com.

[TAMURA, Kent]

LGTM3

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TAMURA Kent
Software Engineer, Google