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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project follows semantic versioning.

[1.0.8] - 2026-06-26

Added

  • Physical Quantity Arithmetic — Cross-type multiplication and division now produces correct derived units: length × length → area, area × length → volume, voltage × current → power, energy ÷ time → power, power × time → energy, voltage ÷ resistance → current, current × resistance → voltage, force ÷ area → pressure, pressure × area → force
  • Temperature conversion — °F↔°C↔K now uses proper offset formulas via Kelvin intermediary (98.6 F to C → "37 C")
  • React example — New examples/react/ directory with a Vite-powered unit converter app (12 quick-convert presets, npm run dev to start)
  • Derived unit results support to conversions (5 m * 3 m to cm2 → "150000 cm2")

Changed

  • Renamed src/utils/globalUnits.js → src/utils/units.js

Fixed

  • Unit tokenizer case sensitivity — Uppercase unit keys (V, A, F, C, K, Hz, W, etc.) now recognized
  • Unit name disambiguation — Duplicate unit names (F: farad/Fahrenheit, rad: angle/radiation, S/s: siemens/second) are resolved by context of the paired unit. 1 F to mF → farad (capacitance), 98.6 F to C → Fahrenheit (temperature)

[1.0.5] - 2026-06-12

Added

  • ESLint (v10 flat config) with strict rules, Prettier formatting, and TypeScript JSDoc type checking
  • Husky pre-commit hook with lint-staged for automatic linting and formatting on commit
  • Dependabot config for weekly automated dependency pull requests
  • CodeQL security analysis workflow on push/PR/schedule
  • Bundle size monitoring via size-limit (min.js: 30 KB, esm.js: 60 KB)
  • Jest coverage reporting (npm run test:coverage) with CI artifact upload
  • Node.js 24 to CI test matrix (previously 20 and 22 only)
  • .editorconfig for cross-editor consistency
  • // @ts-check annotations to all 14 source files
  • engines field requiring Node >=18

Changed

  • Upgraded Rollup from v2 to v4 with updated plugin versions
  • Replaced rimraf with built-in fs.rmSync for the clean script
  • Replaced nodemon with Node.js built-in --watch flag for the dev script
  • CI workflow now runs lint, typecheck, size check, and coverage in addition to tests
  • Switched CI workflows to Node 24 for publish and audit jobs
  • Added --no-warnings flag to test scripts to suppress ExperimentalWarning

Fixed

  • All ESLint errors (no-unused-vars, no-undef, eqeqeq, prefer-const, camelcase, etc.)
  • All TypeScript type errors (err unknown type, null checks, variable store reference)
  • lint-staged Windows ENOENT error by switching from package.json config to lint-staged.config.js with direct node invocation

Removed

  • Unused Babel dependencies (@babel/cli, @babel/core, @babel/preset-env)
  • Unused rollup-plugin-strip-banner, glob, and rimraf dev dependencies
  • overrides section (test-exclude, glob pins) — no longer needed with Jest 30
  • nodemon devDependency (replaced by node --watch)

[1.0.1] - 2026-04-05

Fixed

  • Corrected the import path in src/index.js to match the actual filename casing of src/core/Exprify.js.
  • Resolved a cross-platform build issue where Rollup failed on Linux-based CI environments because of case-sensitive path resolution.