Add a key to weak references (#2262)

Author: Elchi3

features/weak-references.yml

@@ -4,11 +4,15 @@ spec:
   - https://tc39.es/ecma262/multipage/managing-memory.html#sec-managing-memory
 snapshot: ecmascript-2021
 group: javascript
+status:
+  compute_from: javascript.builtins.WeakRef
 compat_features:
   - javascript.builtins.FinalizationRegistry
   - javascript.builtins.FinalizationRegistry.FinalizationRegistry
   - javascript.builtins.FinalizationRegistry.register
+  - javascript.builtins.FinalizationRegistry.symbol_as_target
   - javascript.builtins.FinalizationRegistry.unregister
   - javascript.builtins.WeakRef
   - javascript.builtins.WeakRef.WeakRef
   - javascript.builtins.WeakRef.deref
+  - javascript.builtins.WeakRef.symbol_as_target

features/weak-references.yml.dist

@@ -14,10 +14,32 @@ status:
     safari: "14.1"
     safari_ios: "14.5"
 compat_features:
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: high
+  # baseline_low_date: 2021-04-26
+  # baseline_high_date: 2023-10-26
+  # support:
+  #   chrome: "84"
+  #   chrome_android: "84"
+  #   edge: "84"
+  #   firefox: "79"
+  #   firefox_android: "79"
+  #   safari: "14.1"
+  #   safari_ios: "14.5"
   - javascript.builtins.FinalizationRegistry
   - javascript.builtins.FinalizationRegistry.FinalizationRegistry
   - javascript.builtins.FinalizationRegistry.register
   - javascript.builtins.FinalizationRegistry.unregister
   - javascript.builtins.WeakRef
   - javascript.builtins.WeakRef.WeakRef
   - javascript.builtins.WeakRef.deref
+
+  # baseline: false
+  # support:
+  #   chrome: "109"
+  #   chrome_android: "109"
+  #   edge: "109"
+  #   safari: "16.4"
+  #   safari_ios: "16.4"
+  - javascript.builtins.FinalizationRegistry.symbol_as_target
+  - javascript.builtins.WeakRef.symbol_as_target