ladybird/Userland/Libraries/LibJS/Runtime/ProxyConstructor.cpp
Linus Groh e39dd65cf0 LibJS: Remove Proxy() argument count check
Let's just treat missing arguments as undefined and throw with
'target/handler must be object' - this is more JavaScript-y.
2021-06-08 23:53:13 +02:00

55 lines
1.5 KiB
C++

/*
* Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/ProxyConstructor.h>
#include <LibJS/Runtime/ProxyObject.h>
namespace JS {
ProxyConstructor::ProxyConstructor(GlobalObject& global_object)
: NativeFunction(vm().names.Proxy, *global_object.function_prototype())
{
}
void ProxyConstructor::initialize(GlobalObject& global_object)
{
auto& vm = this->vm();
NativeFunction::initialize(global_object);
define_property(vm.names.length, Value(2), Attribute::Configurable);
}
ProxyConstructor::~ProxyConstructor()
{
}
Value ProxyConstructor::call()
{
auto& vm = this->vm();
vm.throw_exception<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, vm.names.Proxy);
return {};
}
Value ProxyConstructor::construct(Function&)
{
auto& vm = this->vm();
auto target = vm.argument(0);
auto handler = vm.argument(1);
if (!target.is_object()) {
vm.throw_exception<TypeError>(global_object(), ErrorType::ProxyConstructorBadType, "target", target.to_string_without_side_effects());
return {};
}
if (!handler.is_object()) {
vm.throw_exception<TypeError>(global_object(), ErrorType::ProxyConstructorBadType, "handler", handler.to_string_without_side_effects());
return {};
}
return ProxyObject::create(global_object(), target.as_object(), handler.as_object());
}
}