luxon-hijri/.nvmrc
Aric Camarata 1ab6463184 feat: v2.0.0 — FCNA calendar, dual ESM/CJS build, weekday bug fix, full test suite
Core fixes:
- Fix critical weekday bug: iE/iEEE/iEEEE tokens used Hijri year as Gregorian,
  returning weekdays ~580 years wrong. Now converts via toGregorian() first.
- Fix era tokens iooo/ioooo: were returning Gregorian era, now always return "AH".
- Fix toGregorian timezone sensitivity: was using DateTime.local(), now DateTime.utc().
- Fix format token regex: word-boundary approach caused partial matches.

New: FCNA/ISNA calendar support:
- toHijri, toGregorian, isValidHijriDate now accept { calendar: 'fcna' } option.
- FCNA criterion: conjunction before 12:00 UTC → month starts D+1, else D+2.
- New moon times from Meeus Ch.49 full formula (accurate to within minutes, 1000–3000 CE).
- Works for all Hijri years, not just the 1318–1500 UAQ table range.
- Anchor: UAQ table for in-range years, Islamic epoch estimate for out-of-range.
- Exports: CalendarSystem, ConversionOptions types.

Build and infrastructure:
- pnpm replaces npm; tsup replaces tsc for dual CJS/ESM output.
- Exports map with types-first conditional exports for import/require.
- Binary search O(log 183) replaces linear O(n) scan in all three functions.
- Luxon upgraded from ^2.5.2 to ^3.5.0; TypeScript from ^4 to ^5.5.
- CI: Node 20/22/24 matrix, typecheck, and pack-check jobs.
- GitHub Wiki: four pages synced via Actions on push.
- Test suite: 81 ESM tests + 24 CJS tests, verified against ISNA 2023–2025 calendars.
- Exports hwLong, hwShort, hwNumeric weekday arrays.

Breaking changes:
- Dual ESM/CJS exports map (CJS consumers: no change via main field).
- HijriYearRecord replaces hDates interface name.
- Luxon peer dep bumped to ^3.5.0.
- Node >=20 required.
2026-02-25 13:25:11 -05:00

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