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LibJS: Implement Temporal.PlainDate.compare

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Idan Horowitz 2021-07-26 17:00:42 +03:00 • committed by Linus Groh
parent 2c6bd3a61b
commit 07485802c6
5 changed files with 67 additions and 0 deletions
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18
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateConstructor.cpp
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@ -27,6 +27,9 @@ void PlainDateConstructor::initialize(GlobalObject& global_object)
// 3.2.1 Temporal.PlainDate.prototype, https://tc39.es/proposal-temporal/#sec-temporal-plaindate-prototype
define_direct_property(vm.names.prototype, global_object.temporal_plain_date_prototype(), 0);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.compare, compare, 2, attr);
define_direct_property(vm.names.length, Value(3), Attribute::Configurable);
}
@ -93,4 +96,19 @@ Value PlainDateConstructor::construct(FunctionObject& new_target)
return create_temporal_date(global_object, y, m, d, *calendar, &new_target);
}
// 3.2.3 Temporal.PlainDate.compare ( one, two ), https://tc39.es/proposal-temporal/#sec-properties-of-the-temporal-plaindate-constructor
JS_DEFINE_NATIVE_FUNCTION(PlainDateConstructor::compare)
{
// 1. Set one to ? ToTemporalDate(one).
auto* one = to_temporal_date(global_object, vm.argument(0));
if (vm.exception())
return {};
// 2. Set two to ? ToTemporalDate(two).
auto* two = to_temporal_date(global_object, vm.argument(1));
if (vm.exception())
return {};
// 3. Return 𝔽(! CompareISODate(one.[[ISOYear]], one.[[ISOMonth]], one.[[ISODay]], two.[[ISOYear]], two.[[ISOMonth]], two.[[ISODay]])).
return Value(compare_iso_date(one->iso_year(), one->iso_month(), one->iso_day(), two->iso_year(), two->iso_month(), two->iso_day()));
}
}