feat(temporal)!: upgrade @js-temporal/polyfill to 0.5.1#102
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0.5.x removed Temporal.Calendar/Temporal.TimeZone as registerable classes entirely - calendars are now plain string identifiers, and Nepali (the one non-CLDR calendar this library supports) can no longer be registered as a Temporal.Calendar subclass. - Vendor 0.5.1 source into src/vendor/temporal/, porting the Ethiopic CLDR 48/ICU 76 era-code fix (js-temporal/temporal-polyfill#357, still unmerged upstream) to the new calendar module shape. - Rewrite Nepali support as a standalone NepaliPlainDate class (src/custom-calendars/nepaliCalendar.ts) wrapping a real ISO Temporal.PlainDate, reproducing the old NepaliCalendar's exact "ISO arithmetic, then reconvert" behaviour rather than "fixing" it, since existing workarounds (day-14 clamping) depend on it. - Introduce AnyPlainDate (Temporal.PlainDate | NepaliPlainDate, src/utils/plainDate.ts) plus a customPlainDateImplementations registry, so hooks/period-calculation code no longer needs to know whether a given calendar is Nepali or a real Temporal calendar. - Switch useDatePicker's internal representation from Temporal.ZonedDateTime to Temporal.PlainDate/NepaliPlainDate - a date picker never needed time-of-day/timezone semantics. BREAKING CHANGE: getNowInCalendar now returns a plain CalendarDate object ({ year, month, day, eraYear? }, src/types.ts) instead of a Temporal.ZonedDateTime. This removes Temporal from the public interface entirely and matches convertFromIso8601/convertToIso8601's existing return shape. Code that only read .year/.month/.day/.eraYear needs no changes; code that called Temporal methods on the result needs to re-derive another date via getNowInCalendar/convertFromIso8601 instead of calling .withCalendar()/.startOfDay() on the previous result. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## alpha #102 +/- ##
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- Coverage 94.75% 93.28% -1.47%
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Files 57 58 +1
Lines 1258 1296 +38
Branches 350 367 +17
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+ Hits 1192 1209 +17
- Misses 65 86 +21
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0.5.x removed Temporal.Calendar/Temporal.TimeZone as registerable classes entirely - calendars are now plain string identifiers, and Nepali (the one non-CLDR calendar this library supports) can no longer be registered as a Temporal.Calendar subclass.
BREAKING CHANGE: getNowInCalendar now returns a plain CalendarDate object ({ year, month, day, eraYear? }, src/types.ts) instead of a Temporal.ZonedDateTime. This removes Temporal from the public interface entirely and matches convertFromIso8601/convertToIso8601's existing return shape. Code that only read .year/.month/.day/.eraYear needs no changes; code that called Temporal methods on the result needs to re-derive another date via getNowInCalendar/convertFromIso8601 instead of calling .withCalendar()/.startOfDay() on the previous result.