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

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This commit is contained in:
Linus Groh 2021-08-05 22:28:59 +01:00
parent 82ab5da4db
commit b7b23d05d5
3 changed files with 123 additions and 0 deletions
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73
Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimePrototype.cpp
View file

@ -65,6 +65,7 @@ void ZonedDateTimePrototype::initialize(GlobalObject& global_object)
define_native_function(vm.names.toPlainDate, to_plain_date, 0, attr);
define_native_function(vm.names.toPlainTime, to_plain_time, 0, attr);
define_native_function(vm.names.toPlainDateTime, to_plain_date_time, 0, attr);
define_native_function(vm.names.getISOFields, get_iso_fields, 0, attr);
}
static ZonedDateTime* typed_this(GlobalObject& global_object)
@ -792,4 +793,76 @@ JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::to_plain_date_time)
return builtin_time_zone_get_plain_date_time_for(global_object, &time_zone, *instant, zoned_date_time->calendar());
}
// 6.3.52 Temporal.ZonedDateTime.prototype.getISOFields ( ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime.prototype.getisofields
JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::get_iso_fields)
{
// 1. Let zonedDateTime be the this value.
// 2. Perform ? RequireInternalSlot(zonedDateTime, [[InitializedTemporalZonedDateTime]]).
auto* zoned_date_time = 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. Let timeZone be zonedDateTime.[[TimeZone]].
auto& time_zone = zoned_date_time->time_zone();
// 5. Let instant be ! CreateTemporalInstant(zonedDateTime.[[Nanoseconds]]).
auto* instant = create_temporal_instant(global_object, zoned_date_time->nanoseconds());
// 6. Let calendar be zonedDateTime.[[Calendar]].
auto& calendar = zoned_date_time->calendar();
// 7. Let dateTime be ? BuiltinTimeZoneGetPlainDateTimeFor(timeZone, instant, calendar).
auto* date_time = builtin_time_zone_get_plain_date_time_for(global_object, &time_zone, *instant, calendar);
if (vm.exception())
return {};
// 8. Let offset be ? BuiltinTimeZoneGetOffsetStringFor(timeZone, instant).
auto maybe_offset = builtin_time_zone_get_offset_string_for(global_object, time_zone, *instant);
if (vm.exception())
return {};
auto offset = move(*maybe_offset);
// 9. Perform ! CreateDataPropertyOrThrow(fields, "calendar", calendar).
fields->create_data_property_or_throw(vm.names.calendar, Value(&calendar));
// 10. Perform ! CreateDataPropertyOrThrow(fields, "isoDay", dateTime.[[ISODay]]).
fields->create_data_property_or_throw(vm.names.isoDay, Value(date_time->iso_day()));
// 11. Perform ! CreateDataPropertyOrThrow(fields, "isoHour", dateTime.[[ISOHour]]).
fields->create_data_property_or_throw(vm.names.isoHour, Value(date_time->iso_hour()));
// 12. Perform ! CreateDataPropertyOrThrow(fields, "isoMicrosecond", dateTime.[[ISOMicrosecond]]).
fields->create_data_property_or_throw(vm.names.isoMicrosecond, Value(date_time->iso_microsecond()));
// 13. Perform ! CreateDataPropertyOrThrow(fields, "isoMillisecond", dateTime.[[ISOMillisecond]]).
fields->create_data_property_or_throw(vm.names.isoMillisecond, Value(date_time->iso_millisecond()));
// 14. Perform ! CreateDataPropertyOrThrow(fields, "isoMinute", dateTime.[[ISOMinute]]).
fields->create_data_property_or_throw(vm.names.isoMinute, Value(date_time->iso_minute()));
// 15. Perform ! CreateDataPropertyOrThrow(fields, "isoMonth", dateTime.[[ISOMonth]]).
fields->create_data_property_or_throw(vm.names.isoMonth, Value(date_time->iso_month()));
// 16. Perform ! CreateDataPropertyOrThrow(fields, "isoNanosecond", dateTime.[[ISONanosecond]]).
fields->create_data_property_or_throw(vm.names.isoNanosecond, Value(date_time->iso_nanosecond()));
// 17. Perform ! CreateDataPropertyOrThrow(fields, "isoSecond", dateTime.[[ISOSecond]]).
fields->create_data_property_or_throw(vm.names.isoSecond, Value(date_time->iso_second()));
// 18. Perform ! CreateDataPropertyOrThrow(fields, "isoYear", dateTime.[[ISOYear]]).
fields->create_data_property_or_throw(vm.names.isoYear, Value(date_time->iso_year()));
// 19. Perform ! CreateDataPropertyOrThrow(fields, "offset", offset).
fields->create_data_property_or_throw(vm.names.offset, js_string(vm, offset));
// 20. Perform ! CreateDataPropertyOrThrow(fields, "timeZone", timeZone).
fields->create_data_property_or_throw(vm.names.timeZone, Value(&time_zone));
// 21. Return fields.
return fields;
}
}

1
Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimePrototype.h
View file

@ -50,6 +50,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(to_plain_date);
JS_DECLARE_NATIVE_FUNCTION(to_plain_time);
JS_DECLARE_NATIVE_FUNCTION(to_plain_date_time);
JS_DECLARE_NATIVE_FUNCTION(get_iso_fields);
};
}