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LibJS: Remove our existing Temporal implementation
Our Temporal implementation is woefully out of date. The spec has been so vastly rewritten that it is unfortunately not practical to update our implementation in-place. Even just removing Temporal objects that were removed from the spec, or updating any of the simpler remaining objects, has proven to be a mess in previous attempts. So, this removes our Temporal implementation. AOs used by other specs are left intact.
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github-actions[bot]
2024-11-21 00:06:58 +00:00
Author: https://github.com/trflynn89
Commit: f7517c5b8d
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2431
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/shannonbooth ✅
386 changed files with 8 additions and 33007 deletions
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/*
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* Copyright (c) 2021, Idan Horowitz <idan.horowitz@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 <AK/Checked.h>
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#include <AK/TypeCasts.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Temporal/AbstractOperations.h>
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#include <LibJS/Runtime/Temporal/Calendar.h>
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#include <LibJS/Runtime/Temporal/PlainDate.h>
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#include <LibJS/Runtime/Temporal/PlainDateConstructor.h>
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namespace JS::Temporal {
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GC_DEFINE_ALLOCATOR(PlainDateConstructor);
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// 3.1 The Temporal.PlainDate Constructor, https://tc39.es/proposal-temporal/#sec-temporal-plaindate-constructor
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PlainDateConstructor::PlainDateConstructor(Realm& realm)
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: NativeFunction(realm.vm().names.PlainDate.as_string(), realm.intrinsics().function_prototype())
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{
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}
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void PlainDateConstructor::initialize(Realm& realm)
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{
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Base::initialize(realm);
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auto& vm = this->vm();
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// 3.2.1 Temporal.PlainDate.prototype, https://tc39.es/proposal-temporal/#sec-temporal.plaindate.prototype
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define_direct_property(vm.names.prototype, realm.intrinsics().temporal_plain_date_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_native_function(realm, vm.names.compare, compare, 2, attr);
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define_direct_property(vm.names.length, Value(3), Attribute::Configurable);
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}
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// 3.1.1 Temporal.PlainDate ( isoYear, isoMonth, isoDay [ , calendarLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate
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ThrowCompletionOr<Value> PlainDateConstructor::call()
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{
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auto& vm = this->vm();
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// 1. If NewTarget is undefined, throw a TypeError exception.
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return vm.throw_completion<TypeError>(ErrorType::ConstructorWithoutNew, "Temporal.PlainDate");
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}
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// 3.1.1 Temporal.PlainDate ( isoYear, isoMonth, isoDay [ , calendarLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate
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ThrowCompletionOr<GC::Ref<Object>> PlainDateConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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// 2. Let y be ? ToIntegerWithTruncation(isoYear).
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auto y = TRY(to_integer_with_truncation(vm, vm.argument(0), ErrorType::TemporalInvalidPlainDate));
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// 3. Let m be ? ToIntegerWithTruncation(isoMonth).
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auto m = TRY(to_integer_with_truncation(vm, vm.argument(1), ErrorType::TemporalInvalidPlainDate));
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// 4. Let d be ? ToIntegerWithTruncation(isoDay).
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auto d = TRY(to_integer_with_truncation(vm, vm.argument(2), ErrorType::TemporalInvalidPlainDate));
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// 5. Let calendar be ? ToTemporalCalendarWithISODefault(calendarLike).
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auto* calendar = TRY(to_temporal_calendar_with_iso_default(vm, vm.argument(3)));
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// IMPLEMENTATION DEFINED: This is an optimization that allows us to treat these doubles as normal integers from this point onwards.
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// This does not change the exposed behavior as the call to CreateTemporalDate will immediately check that these values are valid
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// ISO values (for years: -273975 - 273975, for months: 1 - 12, for days: 1 - 31) all of which are subsets of this check.
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if (!AK::is_within_range<i32>(y) || !AK::is_within_range<u8>(m) || !AK::is_within_range<u8>(d))
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return vm.throw_completion<RangeError>(ErrorType::TemporalInvalidPlainDate);
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// 6. Return ? CreateTemporalDate(y, m, d, calendar, NewTarget).
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return *TRY(create_temporal_date(vm, y, m, d, *calendar, &new_target));
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}
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// 3.2.2 Temporal.PlainDate.from ( item [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate.from
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JS_DEFINE_NATIVE_FUNCTION(PlainDateConstructor::from)
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{
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// 1. Set options to ? GetOptionsObject(options).
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auto const* options = TRY(get_options_object(vm, vm.argument(1)));
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auto item = vm.argument(0);
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// 2. If Type(item) is Object and item has an [[InitializedTemporalDate]] internal slot, then
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if (item.is_object() && is<PlainDate>(item.as_object())) {
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auto& plain_date_item = static_cast<PlainDate&>(item.as_object());
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// a. Perform ? ToTemporalOverflow(options).
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(void)TRY(to_temporal_overflow(vm, options));
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// b. Return ! CreateTemporalDate(item.[[ISOYear]], item.[[ISOMonth]], item.[[ISODay]], item.[[Calendar]]).
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return MUST(create_temporal_date(vm, plain_date_item.iso_year(), plain_date_item.iso_month(), plain_date_item.iso_day(), plain_date_item.calendar()));
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}
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// 3. Return ? ToTemporalDate(item, options).
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return TRY(to_temporal_date(vm, item, options));
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}
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// 3.2.3 Temporal.PlainDate.compare ( one, two ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate.compare
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JS_DEFINE_NATIVE_FUNCTION(PlainDateConstructor::compare)
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{
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// 1. Set one to ? ToTemporalDate(one).
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auto* one = TRY(to_temporal_date(vm, vm.argument(0)));
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// 2. Set two to ? ToTemporalDate(two).
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auto* two = TRY(to_temporal_date(vm, vm.argument(1)));
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// 3. Return 𝔽(! CompareISODate(one.[[ISOYear]], one.[[ISOMonth]], one.[[ISODay]], two.[[ISOYear]], two.[[ISOMonth]], two.[[ISODay]])).
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return Value(compare_iso_date(one->iso_year(), one->iso_month(), one->iso_day(), two->iso_year(), two->iso_month(), two->iso_day()));
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}
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}
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