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LibJS: Use create_list_from_array_like() in Reflect.{apply,construct}()

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This commit is contained in:
Linus Groh 2021-06-09 23:28:20 +01:00
parent ad7aa05cc6
commit f932da095e
4 changed files with 4 additions and 26 deletions
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25
Userland/Libraries/LibJS/Runtime/ReflectObject.cpp
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@ -36,25 +36,6 @@ static Function* get_target_function_from(GlobalObject& global_object, const Str
return &target.as_function();
}
static void prepare_arguments_list(GlobalObject& global_object, Value value, MarkedValueList& arguments)
{
auto& vm = global_object.vm();
if (!value.is_object()) {
vm.throw_exception<TypeError>(global_object, ErrorType::ReflectBadArgumentsList);
return;
}
auto& arguments_list = value.as_object();
auto length = length_of_array_like(global_object, arguments_list);
if (vm.exception())
return;
for (size_t i = 0; i < length; ++i) {
auto element = arguments_list.get(String::number(i));
if (vm.exception())
return;
arguments.append(element.value_or(js_undefined()));
}
}
ReflectObject::ReflectObject(GlobalObject& global_object)
: Object(*global_object.object_prototype())
{
@ -91,8 +72,7 @@ JS_DEFINE_NATIVE_FUNCTION(ReflectObject::apply)
if (!target)
return {};
auto this_arg = vm.argument(1);
MarkedValueList arguments(vm.heap());
prepare_arguments_list(global_object, vm.argument(2), arguments);
auto arguments = create_list_from_array_like(global_object, vm.argument(2));
if (vm.exception())
return {};
return vm.call(*target, this_arg, move(arguments));
@ -103,8 +83,7 @@ JS_DEFINE_NATIVE_FUNCTION(ReflectObject::construct)
auto* target = get_target_function_from(global_object, "construct");
if (!target)
return {};
MarkedValueList arguments(vm.heap());
prepare_arguments_list(global_object, vm.argument(1), arguments);
auto arguments = create_list_from_array_like(global_object, vm.argument(1));
if (vm.exception())
return {};
auto* new_target = target;