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LibJS+LibWeb: Return Vector<PropertyKey> from internal_own_property_keys

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By doing that we avoid lots of `PropertyKey` -> `Value` -> `PropertyKey`
transforms, which are quite expensive because of underlying
`FlyString` -> `PrimitiveString` -> `FlyString` conversions.

10% improvement on MicroBench/object-keys.js
This commit is contained in:
Aliaksandr Kalenik
2025-05-14 15:39:48 +03:00
committed by Alexander Kalenik
parent 47569c1714
commit 5ee810f772
Notes: github-actions[bot] 2025-05-15 18:13:23 +00:00 
Author: https://github.com/kalenikaliaksandr
Commit: https://github.com/LadybirdBrowser/ladybird/commit/5ee810f7721
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4733
24 changed files with 134 additions and 155 deletions
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2
Libraries/LibJS/Runtime/StringObject.h
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@@ -29,7 +29,7 @@ protected:
private:
virtual ThrowCompletionOr<Optional<PropertyDescriptor>> internal_get_own_property(PropertyKey const&) const override;
virtual ThrowCompletionOr<bool> internal_define_own_property(PropertyKey const&, PropertyDescriptor const&, Optional<PropertyDescriptor>* precomputed_get_own_property = nullptr) override;
virtual ThrowCompletionOr<GC::RootVector<Value>> internal_own_property_keys() const override;
virtual ThrowCompletionOr<Vector<PropertyKey>> internal_own_property_keys() const override;
virtual bool is_string_object() const final { return true; }
virtual void visit_edges(Visitor&) override;