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LibJS: Implement parsing of TemporalMonthDayString

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Linus Groh 2021-11-19 19:05:17 +00:00
parent 453c78215c
commit 3ddab2f4fe
5 changed files with 61 additions and 7 deletions
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19
Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
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@ -1290,23 +1290,30 @@ ThrowCompletionOr<TemporalDuration> parse_temporal_duration_string(GlobalObject&
}
// 13.41 ParseTemporalMonthDayString ( isoString ), https://tc39.es/proposal-temporal/#sec-temporal-parsetemporalmonthdaystring
ThrowCompletionOr<TemporalMonthDay> parse_temporal_month_day_string(GlobalObject& global_object, [[maybe_unused]] String const& iso_string)
ThrowCompletionOr<TemporalMonthDay> parse_temporal_month_day_string(GlobalObject& global_object, String const& iso_string)
{
auto& vm = global_object.vm();
// 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
auto parse_result = parse_iso8601(Production::TemporalMonthDayString, iso_string);
if (!parse_result.has_value()) {
// a. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidMonthDayString, iso_string);
}
// 3. Let result be ? ParseISODateTime(isoString).
auto result = TRY(parse_iso_date_time(global_object, {}));
auto result = TRY(parse_iso_date_time(global_object, *parse_result));
// 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)
if (!parse_result->date_year.has_value()) {
// a. Set year to undefined.
year = {};
}
// 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) };