LGTM2
On 3/30/23 3:45 AM, Yoav Weiss wrote:
LGTM1
On Thu, Mar 30, 2023 at 1:47 AM Shu-yu Guo <[email protected]> wrote:
Contact emails
[email protected]
Explainer
https://github.com/tc39/proposal-arraybuffer-transfer
Specification
https://tc39.es/proposal-arraybuffer-transfer
Design docs
N/A
Summary
Adds the ArrayBuffer.prototype.transfer method, which copies the
receiver buffer, detaches the receiver, then returns the copy.
This adds a JS API for what is possible via structured cloning.
Also adds ArrayBuffer.prototype.transferToFixedLength and the
ArrayBuffer.prototype.detached getter. This is a TC39 proposal.
Blink component
Blink>JavaScript>Language
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EJavaScript%3ELanguage>
TAG review
TAG review status
Not applicable
Risks
Interoperability and Compatibility
Very low. This is a new method on ArrayBuffer.prototype, which
historically has not had collision issues (unlike Array.prototype).
/Gecko/: Positive This is a Stage 3 TC39 proposal.
/WebKit/: Positive This is a Stage 3 TC39 proposal.
/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?
None.
Debuggability
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 tests/built-ins/ArrayBuffer/prototype/
<https://github.com/tc39/test262/tree/main/test/built-ins/ArrayBuffer/prototype>{transfer,transferToFixedLength,detached}
Flag name
--harmony-rab-gsab-transfer
Requires code in //chrome?
False
Estimated milestones
Shipping on desktop 114
Shipping on Android 114
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/5073244152922112
This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.
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