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pray-calc/.wiki/Changelog.md
Aric Camarata c02f197ece v2.0.0 — TypeScript rewrite, dual ESM/CJS, 14 methods + PCD dynamic algorithm 
Complete rewrite from plain JavaScript to TypeScript with dual CJS/ESM output
via tsup. Removes all legacy .js source files and the old CommonJS-only index.

Key changes:
- Full TypeScript source in src/ with strict mode and declaration maps
- tsup build: dist/index.cjs + dist/index.mjs + dual .d.ts / .d.mts types
- 14 traditional fixed-angle methods (UOIF through MUIS) + MSC seasonal method
- PCD dynamic algorithm: MSC seasonal base + Earth-Sun distance correction +
  ecliptic geometry + atmospheric refraction + observer elevation
- getTimesAll() batches all 14x2 zenith angles into a single SPA call
- getMscFajr() / getMscIsha() expose MSC seasonal reference directly
- getAngles() returns the PCD-computed fajrAngle and ishaAngle
- High-latitude bounds: angles clipped to [10, 20] above 55N
- 106 tests across ESM and CJS (test.mjs + test-cjs.cjs)
- CI matrix: Node 20/22/24, typecheck, pack-check
- Wiki: 12 reference pages + 6-page research section with global accuracy study,
  home-territory comparison, observational evidence, and field observation matrix
- Moon functions removed (migrated to moon-sighting package)
- pnpm-only, Node >=20, sideEffects: false
2026-02-25 18:11:20 -05:00

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Changelog

See CHANGELOG.md in the repository for the full version history.

v2.0.0 Highlights

  • Full TypeScript rewrite (dual CJS/ESM build)
  • Physics-grounded dynamic angle algorithm (MSC base + r correction + Fourier + refraction + elevation)
  • 14 traditional methods (added IGUT/Tehran, Kuwait, Qatar)
  • Removed suncalc dependency; removed moon functionality (moved to moon-sighting)
  • getAsr refactored to pure math using Meeus declination
  • formatTime replaces fractalTime (nrel-spa v2 API)
  • Node >= 20 requirement; proper exports field; publishConfig

v1.7.x (Legacy)

CommonJS, JavaScript source, 10 traditional methods, suncalc for moon data.

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