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LibJS: Implement Temporal.*.prototype.toZonedDateTimeISO and friends

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Timothy Flynn 2024-11-25 09:49:25 -05:00 • committed by Andreas Kling
commit c0150acc5e
Notes: github-actions[bot] 2024-11-26 10:04:02 +00:00
12 changed files with 318 additions and 0 deletions
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26
Libraries/LibJS/Runtime/Temporal/Now.cpp
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@ -12,6 +12,7 @@
#include <LibJS/Runtime/Temporal/PlainDateTime.h>
#include <LibJS/Runtime/Temporal/PlainTime.h>
#include <LibJS/Runtime/Temporal/TimeZone.h>
#include <LibJS/Runtime/Temporal/ZonedDateTime.h>
namespace JS::Temporal {
@ -36,6 +37,7 @@ void Now::initialize(Realm& realm)
define_native_function(realm, vm.names.timeZoneId, time_zone_id, 0, attr);
define_native_function(realm, vm.names.instant, instant, 0, attr);
define_native_function(realm, vm.names.plainDateTimeISO, plain_date_time_iso, 0, attr);
define_native_function(realm, vm.names.zonedDateTimeISO, zoned_date_time_iso, 0, attr);
define_native_function(realm, vm.names.plainDateISO, plain_date_iso, 0, attr);
define_native_function(realm, vm.names.plainTimeISO, plain_time_iso, 0, attr);
}
@ -69,6 +71,30 @@ JS_DEFINE_NATIVE_FUNCTION(Now::plain_date_time_iso)
return MUST(create_temporal_date_time(vm, iso_date_time, "iso8601"_string));
}
// 2.2.4 Temporal.Now.zonedDateTimeISO ( [ temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.zoneddatetimeiso
JS_DEFINE_NATIVE_FUNCTION(Now::zoned_date_time_iso)
{
auto temporal_time_zone_like = vm.argument(0);
String time_zone;
// 1. If temporalTimeZoneLike is undefined, then
if (temporal_time_zone_like.is_undefined()) {
// a. Let timeZone be SystemTimeZoneIdentifier().
time_zone = system_time_zone_identifier();
}
// 2. Else,
else {
// a. Let timeZone be ? ToTemporalTimeZoneIdentifier(temporalTimeZoneLike).
time_zone = TRY(to_temporal_time_zone_identifier(vm, temporal_time_zone_like));
}
// 3. Let ns be SystemUTCEpochNanoseconds().
auto nanoseconds = system_utc_epoch_nanoseconds(vm);
// 4. Return ! CreateTemporalZonedDateTime(ns, timeZone, "iso8601").
return MUST(create_temporal_zoned_date_time(vm, BigInt::create(vm, move(nanoseconds)), move(time_zone), "iso8601"_string));
}
// 2.2.5 Temporal.Now.plainDateISO ( [ temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaindateiso
JS_DEFINE_NATIVE_FUNCTION(Now::plain_date_iso)
{