mirror of
https://github.com/RGBCube/serenity
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47fb4286c7
Just like the initial Temporal.TimeZone commit, this patch adds the Instant object itself, its constructor and prototype (currently empty), and two required abstract operations.
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
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* Copyright (c) 2021, 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/GlobalObject.h>
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#include <LibJS/Runtime/Temporal/Instant.h>
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#include <LibJS/Runtime/Temporal/InstantConstructor.h>
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namespace JS::Temporal {
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// 8.1 The Temporal.Instant Constructor, https://tc39.es/proposal-temporal/#sec-temporal-instant-constructor
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InstantConstructor::InstantConstructor(GlobalObject& global_object)
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: NativeFunction(vm().names.Instant.as_string(), *global_object.function_prototype())
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{
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}
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void InstantConstructor::initialize(GlobalObject& global_object)
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{
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NativeFunction::initialize(global_object);
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auto& vm = this->vm();
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// 8.2.1 Temporal.Instant.prototype, https://tc39.es/proposal-temporal/#sec-temporal-instant-prototype
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define_direct_property(vm.names.prototype, global_object.temporal_instant_prototype(), 0);
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define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
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}
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// 8.1.1 Temporal.Instant ( epochNanoseconds ), https://tc39.es/proposal-temporal/#sec-temporal.instant
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Value InstantConstructor::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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vm.throw_exception<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, "Temporal.Instant");
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return {};
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}
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// 8.1.1 Temporal.Instant ( epochNanoseconds ), https://tc39.es/proposal-temporal/#sec-temporal.instant
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Value InstantConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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auto& global_object = this->global_object();
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// 2. Let epochNanoseconds be ? ToBigInt(epochNanoseconds).
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auto* epoch_nanoseconds = vm.argument(0).to_bigint(global_object);
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if (vm.exception())
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return {};
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// 3. If ! IsValidEpochNanoseconds(epochNanoseconds) is false, throw a RangeError exception.
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if (!is_valid_epoch_nanoseconds(*epoch_nanoseconds)) {
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vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidEpochNanoseconds);
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return {};
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}
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// 4. Return ? CreateTemporalInstant(epochNanoseconds, NewTarget).
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return create_temporal_instant(global_object, *epoch_nanoseconds, &new_target);
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}
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}
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