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LibJS: Implement Temporal.PlainDateTime.compare()

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Idan Horowitz 2021-08-27 16:42:21 +03:00 • committed by Linus Groh
parent 28fa4d1568
commit 9ed877e8e7
3 changed files with 32 additions and 0 deletions
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18
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTimeConstructor.cpp
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@ -31,6 +31,7 @@ void PlainDateTimeConstructor::initialize(GlobalObject& global_object)
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.from, from, 1, attr);
define_native_function(vm.names.compare, compare, 2, attr);
define_direct_property(vm.names.length, Value(3), Attribute::Configurable);
}
@ -141,4 +142,21 @@ JS_DEFINE_NATIVE_FUNCTION(PlainDateTimeConstructor::from)
return to_temporal_date_time(global_object, item, options);
}
// 5.2.3 Temporal.PlainDateTime.compare ( one, two ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.compare
JS_DEFINE_NATIVE_FUNCTION(PlainDateTimeConstructor::compare)
{
// 1. Set one to ? ToTemporalDateTime(one).
auto* one = to_temporal_date_time(global_object, vm.argument(0));
if (vm.exception())
return {};
// 2. Set two to ? ToTemporalDateTime(two).
auto two = to_temporal_date_time(global_object, vm.argument(1));
if (vm.exception())
return {};
// 3. Return 𝔽(! CompareISODateTime(one.[[ISOYear]], one.[[ISOMonth]], one.[[ISODay]], one.[[ISOHour]], one.[[ISOMinute]], one.[[ISOSecond]], one.[[ISOMillisecond]], one.[[ISOMicrosecond]], one.[[ISONanosecond]], two.[[ISOYear]], two.[[ISOMonth]], two.[[ISODay]], two.[[ISOHour]], two.[[ISOMinute]], two.[[ISOSecond]], two.[[ISOMillisecond]], two.[[ISOMicrosecond]], two.[[ISONanosecond]])).
return Value(compare_iso_date_time(one->iso_year(), one->iso_month(), one->iso_day(), one->iso_hour(), one->iso_minute(), one->iso_second(), one->iso_millisecond(), one->iso_microsecond(), one->iso_nanosecond(), two->iso_year(), two->iso_month(), two->iso_day(), two->iso_hour(), two->iso_minute(), two->iso_second(), two->iso_millisecond(), two->iso_microsecond(), two->iso_nanosecond()));
}
}

1
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTimeConstructor.h
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@ -25,6 +25,7 @@ private:
virtual bool has_constructor() const override { return true; }
JS_DECLARE_NATIVE_FUNCTION(from);
JS_DECLARE_NATIVE_FUNCTION(compare);
};
}