On Fri, Sep 28, 2018 at 6:39 PM Sathya Gunasekaran <gsat...@chromium.org> wrote:
> LGTM > > On Fri, Sep 28, 2018 at 7:57 AM Maya Lekova <mslek...@chromium.org> wrote: > >> >> >> >> >> >> >> >> >> *Contact emailsmslek...@chromium.org >> <mslek...@chromium.org>Explainerhttps://docs.google.com/document/d/1kL08cz4lR6gO5b2FATNK3QAfS8t-6K6kdk88U-n8tug/edit?usp=sharing >> <https://docs.google.com/document/d/1kL08cz4lR6gO5b2FATNK3QAfS8t-6K6kdk88U-n8tug/edit?usp=sharing>SpecThe >> ECMAScript specification change reached consensus. Pull request: >> https://github.com/tc39/ecma262/pull/1250 >> <https://github.com/tc39/ecma262/pull/1250>The tag review process is not >> needed, TC39 consensus was reached instead.SummaryThe goal of this change >> is to reduce the native “await” functionality to only take 1 tick on the >> microtask queue instead of 3.Is this feature supported on all six Blink >> platforms (Windows, Mac, Linux, Chrome OS, Android, and Android >> WebView)?Yes.RisksInteroperability and CompatibilityEdge: ShippedFirefox: >> No signalsSafari: No signalsWeb developers: Shouldn’t affect web >> developers, as most of them transpile away async/await and Babel already >> ships with the new behaviour.* >> > Note: There's a web compat risk as this changes the observable order in which promises created by async functions are resolved. Chrome plans to ship this with a kill switch in case we hear about breakages in the wild. We've decided not to add a use counter for this as it will lead to unacceptable performance regressions. > >> >> *ActivationThe new behaviour won’t affect the way async/await is being >> used.Is this feature fully tested by web-platform-tests >> <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md>?Test262 >> tests are being implemented. We have related tests in the V8 repository in >> test/inspector/debugger.Entry on the feature dashboard >> <http://www.chromestatus.com/>Fits under >> https://www.chromestatus.com/feature/5643236399906816 >> <https://www.chromestatus.com/feature/5643236399906816>, as this is simply >> an errata to the spec.* >> --- >> Best regards, >> Maya >> >> -- >> You received this message because you are subscribed to the Google Groups >> "blink-dev" group. >> To view this discussion on the web visit >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAFszerUqYez-STtMj1kEkjP1M%2BGm%2Bd07E7RNcY3%3DXn9rwZ57yQ%40mail.gmail.com >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAFszerUqYez-STtMj1kEkjP1M%2BGm%2Bd07E7RNcY3%3DXn9rwZ57yQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
