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/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Temporal/TimeZone.h>
#include <LibJS/Runtime/Temporal/TimeZoneConstructor.h>
namespace JS::Temporal {
// 11.2 The Temporal.TimeZone Constructor, https://tc39.es/proposal-temporal/#sec-temporal-timezone-constructor
TimeZoneConstructor::TimeZoneConstructor(GlobalObject& global_object)
: NativeFunction(vm().names.TimeZone.as_string(), *global_object.function_prototype())
{
}
void TimeZoneConstructor::initialize(GlobalObject& global_object)
{
NativeFunction::initialize(global_object);
auto& vm = this->vm();
// 11.3.1 Temporal.TimeZone.prototype, https://tc39.es/proposal-temporal/#sec-temporal-timezone-prototype
define_direct_property(vm.names.prototype, global_object.temporal_time_zone_prototype(), 0);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.from, from, 1, attr);
define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
}
// 11.2.1 Temporal.TimeZone ( identifier ), https://tc39.es/proposal-temporal/#sec-temporal.timezone
Value TimeZoneConstructor::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.TimeZone");
return {};
}
// 11.2.1 Temporal.TimeZone ( identifier ), https://tc39.es/proposal-temporal/#sec-temporal.timezone
Value TimeZoneConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto& global_object = this->global_object();
// 2. Set identifier to ? ToString(identifier).
auto identifier = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
String canonical;
// 3. If identifier satisfies the syntax of a TimeZoneNumericUTCOffset (see 13.33), then
if (is_valid_time_zone_numeric_utc_offset_syntax(identifier)) {
// a. Let offsetNanoseconds be ? ParseTimeZoneOffsetString(identifier).
auto offset_nanoseconds = TRY_OR_DISCARD(parse_time_zone_offset_string(global_object, identifier));
// b. Let canonical be ! FormatTimeZoneOffsetString(offsetNanoseconds).
canonical = format_time_zone_offset_string(offset_nanoseconds);
}
// 4. Else,
else {
// a. If ! IsValidTimeZoneName(identifier) is false, then
if (!is_valid_time_zone_name(identifier)) {
// i. Throw a RangeError exception.
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidTimeZoneName);
return {};
}
// b. Let canonical be ! CanonicalizeTimeZoneName(identifier).
canonical = canonicalize_time_zone_name(identifier);
}
// 5. Return ? CreateTemporalTimeZone(canonical, NewTarget).
return TRY_OR_DISCARD(create_temporal_time_zone(global_object, canonical, &new_target));
}
// 11.3.2 Temporal.TimeZone.from ( item ), https://tc39.es/proposal-temporal/#sec-temporal.timezone.from
JS_DEFINE_OLD_NATIVE_FUNCTION(TimeZoneConstructor::from)
{
auto item = vm.argument(0);
// 1. Return ? ToTemporalTimeZone(item).
return TRY_OR_DISCARD(to_temporal_time_zone(global_object, item));
}
}
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