Contact emails...@chromium.org Explainerhttps://github.com/tc39/proposal-symbols-as-weakmap-keys
Specificationhttps://tc39.es/proposal-symbols-as-weakmap-keys Summary This proposal allows Symbols to be used as keys in WeakMaps, WeakSet, as the referent in a WeakRef, and as the target in a FinalizationRegistry. Blink componentBlink>JavaScript>Language <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EJavaScript%3ELanguage> TAG reviewThis is a TC39 JS language feature that doesn't have any interaction with web APIs. TAG review statusNot applicable Risks Interoperability and Compatibility *Gecko*: Positive Stage 3 TC39 proposal *WebKit*: Positive Stage 3 TC39 proposal *Web developers*: No signals *Other signals*: WebView application risks None? Debuggability This proposal adds Symbols as keys to weak collections and weak data structures, which already exist and are debuggable. The V8 inspector was extended [1] to support Symbols in collections. [1] https://chromium-review.googlesource.com/c/v8/v8/+/3930037 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 <https://github.com/tc39/test262/pull/3678> Flag name--harmony-symbol-as-weakmap-key Requires code in //chrome?False Tracking bughttps://bugs.chromium.org/p/v8/issues/detail?id=12947 Estimated milestones DevTrial on desktop 108 DevTrial on Android 108 Anticipated spec changes None Link to entry on the Chrome Platform Status https://chromestatus.com/feature/5124046206271488 This intent message was generated by Chrome Platform Status <https://chromestatus.com/>. -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to blink-dev+unsubscr...@chromium.org. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAN-e9e8JuO3YqLNDg2FkGWswKQOeOQVYiM3BTM-Z-jaCNfOrxg%40mail.gmail.com.
