Guess so, though I am personally not going through with the change if there
are any blink-dev reservations. ;)

☆*PhistucK*


On Fri, Jul 20, 2018 at 7:55 PM Philip Jägenstedt <foo...@chromium.org>
wrote:

> This is an FYI for blink-dev, right? Should I remove it from
> https://bit.ly/blinkintents?
>
> On Fri, Jul 20, 2018 at 5:56 PM PhistucK <phist...@gmail.com> wrote:
>
>> (Probably an overkill, but here it goes)
>>
>>
>> Contact emails
>>
>> phist...@gmail.com
>>
>> Explainer
>>
>> No explainer, a specification exists already.
>>
>> Spec
>> https://tc39.github.io/ecma402/#sec-partitiondatetimepattern
>>
>> Summary
>>
>> This change corrects a non-compliant type value in the formatToParts
>> implementation.
>>
>>
>> > new Intl.DateTimeFormat("en-us", {hour12: true, hour:
>> "numeric"}).formatToParts()
>>
>> [{"type": "hour", "value": "6"}, {"type": "literal", "value": " "},
>> {"type": "day*p*eriod", "value": "PM"}]
>>
>>
>> Will change to -
>>
>> [{"type": "hour", "value": "6"}, {"type": "literal", "value": " "},
>> {"type": "day*P*eriod", "value": "PM"}]
>>
>>
>> Motivation
>>
>> Compliance with the standards and other browsers and likely most of the
>> code that is already out there.
>>
>>
>> Risks
>>
>> Interoperability and Compatibility
>>
>> Compatibility risk - small to medium at worst.
>>
>>
>> Searched GitHub (not exhaustive, but some indication) for dayperiod instances
>> -
>>
>> https://github.com/search?l=&p=1&q=formatToParts+dayperiod+language%3AJavaScript&type=Code
>>
>> The vast majority are polyfills that use dayPeriod already, or code that
>> uses type.toLowerCase() to bridge over the differences.
>>
>>
>> Sent pull requests to the few cases that were plain wrong -
>> https://github.com/sensu/sensu-go/pull/1852
>> https://github.com/brave/browser-laptop/pull/14790
>> https://github.com/ray007/js-misc/pull/1
>> https://github.com/OriginalNexus/venture/pull/1
>> https://github.com/ua9msn/datetime/pull/9
>>
>>
>> Interoperability risk - none.
>>
>>
>> Edge: No signals
>>
>> Firefox: Shipped
>>
>> Safari: Shipped
>>
>> Web developers: No signals.
>>
>>
>> Alternatives for web developers
>>
>> Either check for type === "dayPeriod" || type === "dayperiod", or 
>> type.toLowerCase()
>> === "dayperiod".
>>
>> Ergonomics
>>
>> Irrelevant.
>>
>> Activation
>>
>> Irrelevant.
>>
>> Debuggability
>>
>> Already debuggable.
>>
>>
>> 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/+/master/docs/testing/web_platform_tests.md>
>> ?
>>
>> Nope, but it is tested by test262, though not this case (which is
>> apparently why the interoperability issue exists).
>>
>> *I submitted a test262 pull request to maintain interoperability -*
>> *https://github.com/tc39/test262/pull/1645
>> <https://github.com/tc39/test262/pull/1645>*
>>
>>
>> Bug and proposed change list -
>>
>> https://crbug.com/865351
>>
>> https://chromium-review.googlesource.com/c/v8/v8/+/1145304
>>
>>
>> Link to entry on the feature dashboard <https://www.chromestatus.com/>
>> https://www.chromestatus.com/features/5252265900244992
>>
>> Requesting approval to ship?
>>
>> Yes. I think so. Do you think a deprecation period is warranted? There is
>> no (public?) use counter for formatToParts.
>>
>>
>> ☆*PhistucK*
>>
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>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABc02_%2B1xEoNvCtuc4ocTw%3DtLmfHmT-z-cFTuiE6YS9Q_MdPqg%40mail.gmail.com?utm_medium=email&utm_source=footer>
>> .
>>
>

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