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

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This commit is contained in:
Linus Groh 2021-08-08 00:35:27 +01:00
parent 5a260fcad1
commit 7d8c182359
3 changed files with 57 additions and 0 deletions
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29
Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonthPrototype.cpp
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@ -38,6 +38,7 @@ void PlainYearMonthPrototype::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 PlainYearMonth* typed_this(GlobalObject& global_object)
@ -186,4 +187,32 @@ JS_DEFINE_NATIVE_FUNCTION(PlainYearMonthPrototype::value_of)
return {};
}
// 9.3.22 Temporal.PlainYearMonth.prototype.getISOFields ( ), https://tc39.es/proposal-temporal/#sec-temporal.plainyearmonth.prototype.getisofields
JS_DEFINE_NATIVE_FUNCTION(PlainYearMonthPrototype::get_iso_fields)
{
// 1. Let yearMonth be the this value.
// 2. Perform ? RequireInternalSlot(yearMonth, [[InitializedTemporalYearMonth]]).
auto* year_month = 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", yearMonth.[[Calendar]]).
fields->create_data_property_or_throw(vm.names.calendar, Value(&year_month->calendar()));
// 5. Perform ! CreateDataPropertyOrThrow(fields, "isoDay", 𝔽(yearMonth.[[ISODay]])).
fields->create_data_property_or_throw(vm.names.isoDay, Value(year_month->iso_day()));
// 6. Perform ! CreateDataPropertyOrThrow(fields, "isoMonth", 𝔽(yearMonth.[[ISOMonth]])).
fields->create_data_property_or_throw(vm.names.isoMonth, Value(year_month->iso_month()));
// 7. Perform ! CreateDataPropertyOrThrow(fields, "isoYear", 𝔽(yearMonth.[[ISOYear]])).
fields->create_data_property_or_throw(vm.names.isoYear, Value(year_month->iso_year()));
// 8. Return fields.
return fields;
}
}

1
Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonthPrototype.h
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@ -28,6 +28,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(months_in_year_getter);
JS_DECLARE_NATIVE_FUNCTION(in_leap_year_getter);
JS_DECLARE_NATIVE_FUNCTION(value_of);
JS_DECLARE_NATIVE_FUNCTION(get_iso_fields);
};
}