ladybird/Userland/Libraries/LibJS/Runtime/AggregateErrorConstructor.cpp
2021-06-11 18:49:50 +01:00

50 lines
1.5 KiB
C++

/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/AggregateError.h>
#include <LibJS/Runtime/AggregateErrorConstructor.h>
#include <LibJS/Runtime/ErrorConstructor.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/IteratorOperations.h>
namespace JS {
AggregateErrorConstructor::AggregateErrorConstructor(GlobalObject& global_object)
: NativeFunction(*static_cast<Object*>(global_object.error_constructor()))
{
}
void AggregateErrorConstructor::initialize(GlobalObject& global_object)
{
auto& vm = this->vm();
NativeFunction::initialize(global_object);
define_property(vm.names.prototype, global_object.aggregate_error_prototype(), 0);
define_property(vm.names.length, Value(2), Attribute::Configurable);
}
Value AggregateErrorConstructor::call()
{
return construct(*this);
}
// 20.5.7.1 The AggregateError Constructor, https://tc39.es/ecma262/#sec-aggregate-error-constructor
Value AggregateErrorConstructor::construct(Function&)
{
auto& vm = this->vm();
String message;
if (!vm.argument(1).is_undefined()) {
message = vm.argument(1).to_string(global_object());
if (vm.exception())
return {};
}
auto errors_list = iterable_to_list(global_object(), vm.argument(0));
if (vm.exception())
return {};
// FIXME: 2. Let O be ? OrdinaryCreateFromConstructor(newTarget, "%AggregateError.prototype%", « [[ErrorData]] »).
return AggregateError::create(global_object(), message, errors_list);
}
}