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

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This commit is contained in:
Linus Groh 2021-08-05 22:07:08 +01:00
parent b4ea4e86a7
commit 6ce631b023
3 changed files with 54 additions and 0 deletions
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27
Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimePrototype.cpp
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@ -10,6 +10,7 @@
#include <LibJS/Runtime/Temporal/Instant.h>
#include <LibJS/Runtime/Temporal/PlainDate.h>
#include <LibJS/Runtime/Temporal/PlainDateTime.h>
#include <LibJS/Runtime/Temporal/PlainTime.h>
#include <LibJS/Runtime/Temporal/TimeZone.h>
#include <LibJS/Runtime/Temporal/ZonedDateTime.h>
#include <LibJS/Runtime/Temporal/ZonedDateTimePrototype.h>
@ -62,6 +63,7 @@ void ZonedDateTimePrototype::initialize(GlobalObject& global_object)
define_native_function(vm.names.valueOf, value_of, 0, attr);
define_native_function(vm.names.toInstant, to_instant, 0, attr);
define_native_function(vm.names.toPlainDate, to_plain_date, 0, attr);
define_native_function(vm.names.toPlainTime, to_plain_time, 0, attr);
}
static ZonedDateTime* typed_this(GlobalObject& global_object)
@ -745,4 +747,29 @@ JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::to_plain_date)
return create_temporal_date(global_object, temporal_date_time->iso_year(), temporal_date_time->iso_month(), temporal_date_time->iso_day(), calendar);
}
// 6.3.48 Temporal.ZonedDateTime.prototype.toPlainTime ( ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime.prototype.toplaintime
JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::to_plain_time)
{
// 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 timeZone be zonedDateTime.[[TimeZone]].
auto& time_zone = zoned_date_time->time_zone();
// 4. Let instant be ! CreateTemporalInstant(zonedDateTime.[[Nanoseconds]]).
auto* instant = create_temporal_instant(global_object, zoned_date_time->nanoseconds());
// TODO: Request spec change for consistency with toPlainDate (step 5 and 6)?
// 5. Let temporalDateTime be ? BuiltinTimeZoneGetPlainDateTimeFor(timeZone, instant, zonedDateTime.[[Calendar]]).
auto* temporal_date_time = builtin_time_zone_get_plain_date_time_for(global_object, &time_zone, *instant, zoned_date_time->calendar());
if (vm.exception())
return {};
// 6. Return ? CreateTemporalTime(temporalDateTime.[[ISOHour]], temporalDateTime.[[ISOMinute]], temporalDateTime.[[ISOSecond]], temporalDateTime.[[ISOMillisecond]], temporalDateTime.[[ISOMicrosecond]], temporalDateTime.[[ISONanosecond]]).
return create_temporal_time(global_object, temporal_date_time->iso_hour(), temporal_date_time->iso_minute(), temporal_date_time->iso_second(), temporal_date_time->iso_millisecond(), temporal_date_time->iso_microsecond(), temporal_date_time->iso_nanosecond());
}
}

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

@ -48,6 +48,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(value_of);
JS_DECLARE_NATIVE_FUNCTION(to_instant);
JS_DECLARE_NATIVE_FUNCTION(to_plain_date);
JS_DECLARE_NATIVE_FUNCTION(to_plain_time);
};
}