ladybird/Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimeConstructor.cpp
2021-10-17 12:12:35 +01:00

70 lines
2.8 KiB
C++

/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Temporal/Calendar.h>
#include <LibJS/Runtime/Temporal/Instant.h>
#include <LibJS/Runtime/Temporal/TimeZone.h>
#include <LibJS/Runtime/Temporal/ZonedDateTime.h>
#include <LibJS/Runtime/Temporal/ZonedDateTimeConstructor.h>
namespace JS::Temporal {
// 6.1 The Temporal.ZonedDateTime Constructor, https://tc39.es/proposal-temporal/#sec-temporal-zoneddatetime-constructor
ZonedDateTimeConstructor::ZonedDateTimeConstructor(GlobalObject& global_object)
: NativeFunction(vm().names.ZonedDateTime.as_string(), *global_object.function_prototype())
{
}
void ZonedDateTimeConstructor::initialize(GlobalObject& global_object)
{
NativeFunction::initialize(global_object);
auto& vm = this->vm();
// 6.2.1 Temporal.ZonedDateTime.prototype, https://tc39.es/proposal-temporal/#sec-temporal-zoneddatetime-prototype
define_direct_property(vm.names.prototype, global_object.temporal_zoned_date_time_prototype(), 0);
define_direct_property(vm.names.length, Value(2), Attribute::Configurable);
}
// 6.1.1 Temporal.ZonedDateTime ( epochNanoseconds, timeZoneLike [ , calendarLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime
Value ZonedDateTimeConstructor::call()
{
auto& vm = this->vm();
// 1. If NewTarget is undefined, then
// a. Throw a TypeError exception.
vm.throw_exception<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, "Temporal.ZonedDateTime");
return {};
}
// 6.1.1 Temporal.ZonedDateTime ( epochNanoseconds, timeZoneLike [ , calendarLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime
Value ZonedDateTimeConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto& global_object = this->global_object();
// 2. Set epochNanoseconds to ? ToBigInt(epochNanoseconds).
auto* epoch_nanoseconds = TRY_OR_DISCARD(vm.argument(0).to_bigint(global_object));
// 3. If ! IsValidEpochNanoseconds(epochNanoseconds) is false, throw a RangeError exception.
if (!is_valid_epoch_nanoseconds(*epoch_nanoseconds)) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidEpochNanoseconds);
return {};
}
// 4. Let timeZone be ? ToTemporalTimeZone(timeZoneLike).
auto* time_zone = TRY_OR_DISCARD(to_temporal_time_zone(global_object, vm.argument(1)));
// 5. Let calendar be ? ToTemporalCalendarWithISODefault(calendarLike).
auto* calendar = TRY_OR_DISCARD(to_temporal_calendar_with_iso_default(global_object, vm.argument(2)));
// 6. Return ? CreateTemporalZonedDateTime(epochNanoseconds, timeZone, calendar, NewTarget).
return TRY_OR_DISCARD(create_temporal_zoned_date_time(global_object, *epoch_nanoseconds, *time_zone, *calendar, &new_target));
}
}