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LibJS: Implement Temporal.PlainMonthDay.prototype.getISOFields()

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This commit is contained in:
Linus Groh 2021-08-15 01:17:52 +01:00
parent 7fb05eb878
commit 1549845389
3 changed files with 57 additions and 0 deletions
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29
Userland/Libraries/LibJS/Runtime/Temporal/PlainMonthDayPrototype.cpp
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@ -33,6 +33,7 @@ void PlainMonthDayPrototype::initialize(GlobalObject& global_object)
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.valueOf, value_of, 0, attr);
define_native_function(vm.names.getISOFields, get_iso_fields, 0, attr);
}
static PlainMonthDay* typed_this(GlobalObject& global_object)
@ -101,4 +102,32 @@ JS_DEFINE_NATIVE_FUNCTION(PlainMonthDayPrototype::value_of)
return {};
}
// 10.3.13 Temporal.PlainMonthDay.prototype.getISOFields ( ), https://tc39.es/proposal-temporal/#sec-temporal.plainmonthday.prototype.getisofields
JS_DEFINE_NATIVE_FUNCTION(PlainMonthDayPrototype::get_iso_fields)
{
// 1. Let monthDay be the this value.
// 2. Perform ? RequireInternalSlot(monthDay, [[InitializedTemporalMonthDay]]).
auto* month_day = typed_this(global_object);
if (vm.exception())
return {};
// 3. Let fields be ! OrdinaryObjectCreate(%Object.prototype%).
auto* fields = Object::create(global_object, global_object.object_prototype());
// 4. Perform ! CreateDataPropertyOrThrow(fields, "calendar", monthDay.[[Calendar]]).
fields->create_data_property_or_throw(vm.names.calendar, Value(&month_day->calendar()));
// 5. Perform ! CreateDataPropertyOrThrow(fields, "isoDay", 𝔽(monthDay.[[ISODay]])).
fields->create_data_property_or_throw(vm.names.isoDay, Value(month_day->iso_day()));
// 6. Perform ! CreateDataPropertyOrThrow(fields, "isoMonth", 𝔽(monthDay.[[ISOMonth]])).
fields->create_data_property_or_throw(vm.names.isoMonth, Value(month_day->iso_month()));
// 7. Perform ! CreateDataPropertyOrThrow(fields, "isoYear", 𝔽(monthDay.[[ISOYear]])).
fields->create_data_property_or_throw(vm.names.isoYear, Value(month_day->iso_year()));
// 8. Return fields.
return fields;
}
}

1
Userland/Libraries/LibJS/Runtime/Temporal/PlainMonthDayPrototype.h
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@ -23,6 +23,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(month_code_getter);
JS_DECLARE_NATIVE_FUNCTION(day_getter);
JS_DECLARE_NATIVE_FUNCTION(value_of);
JS_DECLARE_NATIVE_FUNCTION(get_iso_fields);
};
}