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LibJS: Implement the rest of to_temporal_month_day()

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Always throws at the moment, because parse_temporal_month_day_string()
is basically a stub, and parse_iso_date_time() isn't functional either.

The spec issue has been resolved though, so I figured we might as well
get one small step further :^)
This commit is contained in:
Linus Groh 2021-11-10 22:28:27 +00:00
parent 6ef1a2793f
commit fdffdc43fa
3 changed files with 57 additions and 4 deletions
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23
Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
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@ -1091,6 +1091,29 @@ ThrowCompletionOr<TemporalDuration> parse_temporal_duration_string(GlobalObject&
return vm.throw_completion<InternalError>(global_object, ErrorType::NotImplemented, "ParseTemporalDurationString");
}
// 13.41 ParseTemporalMonthDayString ( isoString ), https://tc39.es/proposal-temporal/#sec-temporal-parsetemporalmonthdaystring
ThrowCompletionOr<TemporalMonthDay> parse_temporal_month_day_string(GlobalObject& global_object, String const& iso_string)
{
// 1. Assert: Type(isoString) is String.
// 2. If isoString does not satisfy the syntax of a TemporalMonthDayString (see 13.33), then
// a. Throw a RangeError exception.
// TODO
// 3. Let result be ? ParseISODateTime(isoString).
auto result = TRY(parse_iso_date_time(global_object, iso_string));
// 4. Let year be result.[[Year]].
Optional<i32> year = result.year;
// 5. If no part of isoString is produced by the DateYear production, then
// a. Set year to undefined.
// TODO (this is the case when TemporalMonthDayString is a DateSpecMonthDay)
// 6. Return the Record { [[Year]]: year, [[Month]]: result.[[Month]], [[Day]]: result.[[Day]], [[Calendar]]: result.[[Calendar]] }.
return TemporalMonthDay { .year = year, .month = result.month, .day = result.day, .calendar = move(result.calendar) };
}
// 13.43 ParseTemporalTimeString ( isoString ), https://tc39.es/proposal-temporal/#sec-temporal-parsetemporaltimestring
ThrowCompletionOr<TemporalTime> parse_temporal_time_string(GlobalObject& global_object, [[maybe_unused]] String const& iso_string)
{