57162ad510
This is an editorial change in the Temporal spec. See: https://github.com/tc39/proposal-temporal/commit/873313b
78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
/*
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* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/Date.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Temporal/TimeZone.h>
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#include <LibJS/Runtime/Temporal/TimeZoneConstructor.h>
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namespace JS::Temporal {
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// 11.2 The Temporal.TimeZone Constructor, https://tc39.es/proposal-temporal/#sec-temporal-timezone-constructor
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TimeZoneConstructor::TimeZoneConstructor(Realm& realm)
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: NativeFunction(realm.vm().names.TimeZone.as_string(), *realm.intrinsics().function_prototype())
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{
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}
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void TimeZoneConstructor::initialize(Realm& realm)
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{
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NativeFunction::initialize(realm);
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auto& vm = this->vm();
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// 11.3.1 Temporal.TimeZone.prototype, https://tc39.es/proposal-temporal/#sec-temporal.timezone.prototype
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define_direct_property(vm.names.prototype, realm.intrinsics().temporal_time_zone_prototype(), 0);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(realm, vm.names.from, from, 1, attr);
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define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
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}
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// 11.2.1 Temporal.TimeZone ( identifier ), https://tc39.es/proposal-temporal/#sec-temporal.timezone
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ThrowCompletionOr<Value> TimeZoneConstructor::call()
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{
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auto& vm = this->vm();
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// 1. If NewTarget is undefined, then
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// a. Throw a TypeError exception.
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return vm.throw_completion<TypeError>(ErrorType::ConstructorWithoutNew, "Temporal.TimeZone");
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}
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// 11.2.1 Temporal.TimeZone ( identifier ), https://tc39.es/proposal-temporal/#sec-temporal.timezone
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ThrowCompletionOr<Object*> TimeZoneConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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// 2. Set identifier to ? ToString(identifier).
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auto identifier = TRY(vm.argument(0).to_string(vm));
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// 3. If IsTimeZoneOffsetString(identifier) is false, then
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if (!is_time_zone_offset_string(identifier)) {
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// a. If IsAvailableTimeZoneName(identifier) is false, then
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if (!is_available_time_zone_name(identifier)) {
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// i. Throw a RangeError exception.
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return vm.throw_completion<RangeError>(ErrorType::TemporalInvalidTimeZoneName, identifier);
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}
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// b. Set identifier to ! CanonicalizeTimeZoneName(identifier).
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identifier = canonicalize_time_zone_name(identifier);
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}
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// 4. Return ? CreateTemporalTimeZone(identifier, NewTarget).
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return TRY(create_temporal_time_zone(vm, identifier, &new_target));
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}
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// 11.3.2 Temporal.TimeZone.from ( item ), https://tc39.es/proposal-temporal/#sec-temporal.timezone.from
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JS_DEFINE_NATIVE_FUNCTION(TimeZoneConstructor::from)
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{
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auto item = vm.argument(0);
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// 1. Return ? ToTemporalTimeZone(item).
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return TRY(to_temporal_time_zone(vm, item));
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}
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}
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