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LibJS: Implement the object literal __proto__ property key special case

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This commit is contained in:
Idan Horowitz 2022-03-05 23:44:49 +02:00
parent 9fa78b1a05
commit 7ebb421ee9
4 changed files with 22 additions and 0 deletions
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11
Userland/Libraries/LibJS/AST.cpp
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@ -2994,6 +2994,17 @@ Completion ObjectExpression::execute(Interpreter& interpreter, GlobalObject& glo
auto value = TRY(property.value().execute(interpreter, global_object)).release_value();
// 8. If isProtoSetter is true, then
if (property.type() == ObjectProperty::Type::ProtoSetter) {
// a. If Type(propValue) is either Object or Null, then
if (value.is_object() || value.is_null()) {
// i. Perform ! object.[[SetPrototypeOf]](propValue).
MUST(object->internal_set_prototype_of(value.is_object() ? &value.as_object() : nullptr));
}
// b. Return unused.
continue;
}
if (value.is_function() && property.is_method())
static_cast<ECMAScriptFunctionObject&>(value.as_function()).set_home_object(object);