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LibJS: Implement Temporal.ZonedDateTime.prototype.withTimeZone

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Luke Wilde 2021-11-05 01:35:23 +00:00 • committed by Linus Groh
parent d5f2745a19
commit 58bb73b60f
4 changed files with 61 additions and 0 deletions
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1
Userland/Libraries/LibJS/Runtime/CommonPropertyNames.h
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@ -487,6 +487,7 @@ namespace JS {
P(withCalendar) \
P(withPlainDate) \
P(withPlainTime) \
P(withTimeZone) \
P(writable) \
P(year) \
P(yearMonthFromFields) \

15
Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimePrototype.cpp
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@ -66,6 +66,7 @@ void ZonedDateTimePrototype::initialize(GlobalObject& global_object)
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.withPlainTime, with_plain_time, 0, attr);
define_native_function(vm.names.withPlainDate, with_plain_date, 1, attr);
define_native_function(vm.names.withTimeZone, with_time_zone, 1, attr);
define_native_function(vm.names.valueOf, value_of, 0, attr);
define_native_function(vm.names.startOfDay, start_of_day, 0, attr);
define_native_function(vm.names.toInstant, to_instant, 0, attr);
@ -778,6 +779,20 @@ JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::with_plain_date)
return MUST(create_temporal_zoned_date_time(global_object, instant->nanoseconds(), time_zone, *calendar));
}
// 6.3.33 Temporal.ZonedDateTime.prototype.withTimeZone ( timeZoneLike ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime.prototype.withtimezone
JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::with_time_zone)
{
// 1. Let zonedDateTime be the this value.
// 2. Perform ? RequireInternalSlot(zonedDateTime, [[InitializedTemporalZonedDateTime]]).
auto* zoned_date_time = TRY(typed_this_object(global_object));
// 3. Let timeZone be ? ToTemporalTimeZone(timeZoneLike).
auto* time_zone = TRY(to_temporal_time_zone(global_object, vm.argument(0)));
// 4. Return ! CreateTemporalZonedDateTime(zonedDateTime.[[Nanoseconds]], timeZone, zonedDateTime.[[Calendar]]).
return MUST(create_temporal_zoned_date_time(global_object, zoned_date_time->nanoseconds(), *time_zone, zoned_date_time->calendar()));
}
// 6.3.44 Temporal.ZonedDateTime.prototype.valueOf ( ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime.prototype.valueof
JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::value_of)
{

1
Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimePrototype.h
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@ -51,6 +51,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(era_year_getter);
JS_DECLARE_NATIVE_FUNCTION(with_plain_time);
JS_DECLARE_NATIVE_FUNCTION(with_plain_date);
JS_DECLARE_NATIVE_FUNCTION(with_time_zone);
JS_DECLARE_NATIVE_FUNCTION(value_of);
JS_DECLARE_NATIVE_FUNCTION(start_of_day);
JS_DECLARE_NATIVE_FUNCTION(to_instant);