LGTM1
/Daniel
On 2022-11-08 21:32, Shu-yu Guo wrote:
Contact emails
s...@chromium.org
Explainer
https://github.com/tc39/proposal-change-array-by-copy
Specification
https://tc39.es/proposal-change-array-by-copy
Summary
Provides additional methods on Array.prototype and
TypedArray.prototype to enable changes on the array by returning a new
copy of it with the change.
Blink component
Blink>JavaScript>Language
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EJavaScript%3ELanguage>
TAG review
TC39 proposal that only touches Array.prototype, without other
interactions with web APIs.
TAG review status
Not applicable
Risks
Interoperability and Compatibility
No interoperability risk as this is a TC39 proposal implemented in
tandem by browser engines. Minimal but non-zero web compatibility
risk. Any new methods on Array.prototype carries with it a web compat
risk as many JS libraries add their own methods to Array.prototype,
and sometimes those libraries clash with newly standardized
Array.prototype.methods. Sometimes JS Arrays are also used as hash
maps, and new prototype methods clash with existing keys used by the
application. No current incompatibilities are known or expected.
/Gecko/: Positive
(https://bugzilla.mozilla.org/show_bug.cgi?id=1784092) Stage 3 TC39
proposal. Gecko has already implemented.
/WebKit/: Positive (https://bugs.webkit.org/show_bug.cgi?id=234604)
Stage 3 TC39 proposal. WebKit has already implemented.
/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?
Debuggability
Debugged as any other existing Array.prototype method
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>?
In test262: see https://github.com/tc39/test262/pull/3464
Flag name
--harmony-change-array-by-copy
Requires code in //chrome?
False
Tracking bug
https://bugs.chromium.org/p/v8/issues/detail?id=12764
Estimated milestones
DevTrial on desktop 108
DevTrial on Android 108
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5068609911521280
This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.
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