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LibJS: Implement Temporal.PlainDateTime.prototype.toZonedDateTime()

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This commit is contained in:
Linus Groh 2021-11-02 17:47:38 +01:00
parent e27bb94038
commit 070f056926
3 changed files with 58 additions and 0 deletions
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27
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTimePrototype.cpp
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@ -9,10 +9,13 @@
#include <LibJS/Runtime/Temporal/AbstractOperations.h>
#include <LibJS/Runtime/Temporal/Calendar.h>
#include <LibJS/Runtime/Temporal/Duration.h>
#include <LibJS/Runtime/Temporal/Instant.h>
#include <LibJS/Runtime/Temporal/PlainDate.h>
#include <LibJS/Runtime/Temporal/PlainDateTime.h>
#include <LibJS/Runtime/Temporal/PlainDateTimePrototype.h>
#include <LibJS/Runtime/Temporal/PlainTime.h>
#include <LibJS/Runtime/Temporal/TimeZone.h>
#include <LibJS/Runtime/Temporal/ZonedDateTime.h>
namespace JS::Temporal {
@ -61,6 +64,7 @@ void PlainDateTimePrototype::initialize(GlobalObject& global_object)
define_native_function(vm.names.subtract, subtract, 1, attr);
define_native_function(vm.names.equals, equals, 1, attr);
define_native_function(vm.names.valueOf, value_of, 0, attr);
define_native_function(vm.names.toZonedDateTime, to_zoned_date_time, 1, attr);
define_native_function(vm.names.toPlainDate, to_plain_date, 0, attr);
define_native_function(vm.names.toPlainYearMonth, to_plain_year_month, 0, attr);
define_native_function(vm.names.toPlainMonthDay, to_plain_month_day, 0, attr);
@ -472,6 +476,29 @@ JS_DEFINE_NATIVE_FUNCTION(PlainDateTimePrototype::value_of)
return vm.throw_completion<TypeError>(global_object, ErrorType::Convert, "Temporal.PlainDateTime", "a primitive value");
}
// 5.3.36 Temporal.PlainDateTime.prototype.toZonedDateTime ( temporalTimeZoneLike [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.prototype.tozoneddatetime
JS_DEFINE_NATIVE_FUNCTION(PlainDateTimePrototype::to_zoned_date_time)
{
// 1. Let dateTime be the this value.
// 2. Perform ? RequireInternalSlot(dateTime, [[InitializedTemporalDateTime]]).
auto* date_time = TRY(typed_this_object(global_object));
// 3. Let timeZone be ? ToTemporalTimeZone(temporalTimeZoneLike).
auto* time_zone = TRY(to_temporal_time_zone(global_object, vm.argument(0)));
// 4. Set options to ? GetOptionsObject(options).
auto* options = TRY(get_options_object(global_object, vm.argument(1)));
// 5. Let disambiguation be ? ToTemporalDisambiguation(options).
auto disambiguation = TRY(to_temporal_disambiguation(global_object, *options));
// 6. Let instant be ? BuiltinTimeZoneGetInstantFor(timeZone, dateTime, disambiguation).
auto* instant = TRY(builtin_time_zone_get_instant_for(global_object, time_zone, *date_time, disambiguation));
// 7. Return ! CreateTemporalZonedDateTime(instant.[[Nanoseconds]], timeZone, dateTime.[[Calendar]]).
return MUST(create_temporal_zoned_date_time(global_object, instant->nanoseconds(), *time_zone, date_time->calendar()));
}
// 5.3.37 Temporal.PlainDateTime.prototype.toPlainDate ( ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.prototype.toplaindate
JS_DEFINE_NATIVE_FUNCTION(PlainDateTimePrototype::to_plain_date)
{

1
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTimePrototype.h
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@ -48,6 +48,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(subtract);
JS_DECLARE_NATIVE_FUNCTION(equals);
JS_DECLARE_NATIVE_FUNCTION(value_of);
JS_DECLARE_NATIVE_FUNCTION(to_zoned_date_time);
JS_DECLARE_NATIVE_FUNCTION(to_plain_date);
JS_DECLARE_NATIVE_FUNCTION(to_plain_year_month);
JS_DECLARE_NATIVE_FUNCTION(to_plain_month_day);