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LibJS: Implement Temporal.Now.zonedDateTime()

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This commit is contained in:
Linus Groh 2021-08-01 18:31:56 +01:00
parent 49c5f87274
commit 36c79c2989
4 changed files with 71 additions and 2 deletions
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47
Userland/Libraries/LibJS/Runtime/Temporal/Now.cpp
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@ -13,6 +13,7 @@
#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 <time.h>
namespace JS::Temporal {
@ -37,6 +38,7 @@ void Now::initialize(GlobalObject& global_object)
define_native_function(vm.names.instant, instant, 0, attr);
define_native_function(vm.names.plainDateTime, plain_date_time, 1, attr);
define_native_function(vm.names.plainDateTimeISO, plain_date_time_iso, 0, attr);
define_native_function(vm.names.zonedDateTime, zoned_date_time, 1, attr);
define_native_function(vm.names.plainDate, plain_date, 1, attr);
define_native_function(vm.names.plainDateISO, plain_date_iso, 0, attr);
define_native_function(vm.names.plainTimeISO, plain_time_iso, 0, attr);
@ -78,6 +80,16 @@ JS_DEFINE_NATIVE_FUNCTION(Now::plain_date_time_iso)
return system_date_time(global_object, temporal_time_zone_like, calendar);
}
// 2.2.5 Temporal.Now.zonedDateTime ( calendar [ , temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.zoneddatetime
JS_DEFINE_NATIVE_FUNCTION(Now::zoned_date_time)
{
auto calendar = vm.argument(0);
auto temporal_time_zone_like = vm.argument(1);
// 1. Return ? SystemZonedDateTime(temporalTimeZoneLike, calendar).
return system_zoned_date_time(global_object, temporal_time_zone_like, calendar);
}
// 2.2.7 Temporal.Now.plainDate ( calendar [ , temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaindate
JS_DEFINE_NATIVE_FUNCTION(Now::plain_date)
{
@ -180,7 +192,9 @@ PlainDateTime* system_date_time(GlobalObject& global_object, Value temporal_time
if (temporal_time_zone_like.is_undefined()) {
// a. Let timeZone be ! SystemTimeZone().
time_zone = system_time_zone(global_object);
} else {
}
// 2. Else,
else {
// a. Let timeZone be ? ToTemporalTimeZone(temporalTimeZoneLike).
time_zone = to_temporal_time_zone(global_object, temporal_time_zone_like);
if (vm.exception())
@ -199,4 +213,35 @@ PlainDateTime* system_date_time(GlobalObject& global_object, Value temporal_time
return builtin_time_zone_get_plain_date_time_for(global_object, time_zone, *instant, *calendar);
}
// 2.3.5 SystemZonedDateTime ( temporalTimeZoneLike, calendarLike )
ZonedDateTime* system_zoned_date_time(GlobalObject& global_object, Value temporal_time_zone_like, Value calendar_like)
{
auto& vm = global_object.vm();
Object* time_zone;
// 1. If temporalTimeZoneLike is undefined, then
if (temporal_time_zone_like.is_undefined()) {
// a. Let timeZone be ! SystemTimeZone().
time_zone = system_time_zone(global_object);
}
// 2. Else,
else {
// a. Let timeZone be ? ToTemporalTimeZone(temporalTimeZoneLike).
time_zone = to_temporal_time_zone(global_object, temporal_time_zone_like);
if (vm.exception())
return {};
}
// 3. Let calendar be ? ToTemporalCalendar(calendarLike).
auto* calendar = to_temporal_calendar(global_object, calendar_like);
if (vm.exception())
return {};
// 4. Let ns be ! SystemUTCEpochNanoseconds().
auto* ns = system_utc_epoch_nanoseconds(global_object);
// 5. Return ? CreateTemporalZonedDateTime(ns, timeZone, calendar).
return create_temporal_zoned_date_time(global_object, *ns, *time_zone, *calendar);
}
}