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LibJS: Add spec comments to WeakRefPrototype

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Linus Groh 2023-04-12 23:15:33 +02:00
parent 7c9f1dcced
commit 77fc05afd6
1 changed files with 3 additions and 0 deletions
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Userland/Libraries/LibJS/Runtime/WeakRefPrototype.cpp
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@ -29,8 +29,11 @@ ThrowCompletionOr<void> WeakRefPrototype::initialize(Realm& realm)
// 26.1.3.2 WeakRef.prototype.deref ( ), https://tc39.es/ecma262/#sec-weak-ref.prototype.deref // 26.1.3.2 WeakRef.prototype.deref ( ), https://tc39.es/ecma262/#sec-weak-ref.prototype.deref
JS_DEFINE_NATIVE_FUNCTION(WeakRefPrototype::deref) JS_DEFINE_NATIVE_FUNCTION(WeakRefPrototype::deref)
{ {
// 1. Let weakRef be the this value.
// 2. Perform ? RequireInternalSlot(weakRef, [[WeakRefTarget]]).
auto* weak_ref = TRY(typed_this_object(vm)); auto* weak_ref = TRY(typed_this_object(vm));
// 3. Return WeakRefDeref(weakRef).
weak_ref->update_execution_generation(); weak_ref->update_execution_generation();
return weak_ref->value().visit( return weak_ref->value().visit(
[](Empty) -> Value { return js_undefined(); }, [](Empty) -> Value { return js_undefined(); },