mirrors/ladybird
1
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-04-21 20:15:17 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

LibJS: Add an explicit check for a valid ISO date in ToTemporalYearMonth

Browse source 
This is an editorial change in the Temporal proposal. See:
https://github.com/tc39/proposal-temporal/commit/a1c5d61
This commit is contained in:
Timothy Flynn 2025-02-06 06:29:03 -05:00 • committed by Tim Flynn
parent 97b384db74
commit eef9d07088
Notes: github-actions[bot] 2025-02-06 13:00:03 +00:00
1 changed files with 8 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
Libraries/LibJS/Runtime/Temporal/PlainYearMonth.cpp
View file

@ -93,15 +93,19 @@ ThrowCompletionOr<GC::Ref<PlainYearMonth>> to_temporal_year_month(VM& vm, Value
// 10. Let isoDate be CreateISODateRecord(result.[[Year]], result.[[Month]], result.[[Day]]).
auto iso_date = create_iso_date_record(*parse_result.year, parse_result.month, parse_result.day);
// 11. Set result to ISODateToFields(calendar, isoDate, YEAR-MONTH).
// 11. If ISOYearMonthWithinLimits(isoDate) is false, throw a RangeError exception.
if (!iso_year_month_within_limits(iso_date))
return vm.throw_completion<RangeError>(ErrorType::TemporalInvalidPlainYearMonth);
// 12. Set result to ISODateToFields(calendar, isoDate, YEAR-MONTH).
auto result = iso_date_to_fields(calendar, iso_date, DateType::YearMonth);
// 12. NOTE: The following operation is called with CONSTRAIN regardless of the value of overflow, in order for the
// 13. NOTE: The following operation is called with CONSTRAIN regardless of the value of overflow, in order for the
// calendar to store a canonical value in the [[Day]] field of the [[ISODate]] internal slot of the result.
// 13. Set isoDate to ? CalendarYearMonthFromFields(calendar, result, CONSTRAIN).
// 14. Set isoDate to ? CalendarYearMonthFromFields(calendar, result, CONSTRAIN).
iso_date = TRY(calendar_year_month_from_fields(vm, calendar, result, Overflow::Constrain));
// 14. Return ! CreateTemporalYearMonth(isoDate, calendar).
// 15. Return ! CreateTemporalYearMonth(isoDate, calendar).
return MUST(create_temporal_year_month(vm, iso_date, move(calendar)));
}