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LibJS: Convert can_declare_global_var() to ThrowCompletionOr

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This commit is contained in:
Linus Groh 2021-12-29 15:54:44 +01:00
parent 1817c1f83c
commit 215a56b0e4
4 changed files with 15 additions and 10 deletions
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6
Userland/Libraries/LibJS/Runtime/GlobalEnvironment.cpp
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@ -197,21 +197,21 @@ ThrowCompletionOr<bool> GlobalEnvironment::has_restricted_global_property(FlyStr
}
// 9.1.1.4.15 CanDeclareGlobalVar ( N ), https://tc39.es/ecma262/#sec-candeclareglobalvar
bool GlobalEnvironment::can_declare_global_var(FlyString const& name) const
ThrowCompletionOr<bool> GlobalEnvironment::can_declare_global_var(FlyString const& name) const
{
// 1. Let ObjRec be envRec.[[ObjectRecord]].
// 2. Let globalObject be ObjRec.[[BindingObject]].
auto& global_object = m_object_record->binding_object();
// 3. Let hasProperty be ? HasOwnProperty(globalObject, N).
bool has_property = TRY_OR_DISCARD(global_object.has_own_property(name));
bool has_property = TRY(global_object.has_own_property(name));
// 4. If hasProperty is true, return true.
if (has_property)
return true;
// 5. Return ? IsExtensible(globalObject).
return TRY_OR_DISCARD(global_object.is_extensible());
return global_object.is_extensible();
}
// 9.1.1.4.16 CanDeclareGlobalFunction ( N ), https://tc39.es/ecma262/#sec-candeclareglobalfunction