feat(build): add dual package support with tsup#23
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- Add CLAUDE.md with project overview and development commands - Document core architecture and WebpackSweetEntry function behavior - Include testing structure and code standards for future development
- Revert engines.node from >=21.0.0 to >=20.0.0 - Node.js 20.x LTS is still supported until April 2026
- Align with Microsoft's recommended setting for Node.js 20.x - Enables ES2023 features while maintaining CommonJS output
- Add tsup for ESM and CommonJS dual package builds - Configure package.json exports for both module formats - Update build system from tsc to tsup - Add tsup.config.ts for dual package configuration - Update .gitignore for tsconfig.tsbuildinfo
- Replace Jest with Vitest for modern ESM support - Add comprehensive dual package testing (CommonJS/ESM) - Remove Jest dependencies and configuration - Add Vitest configuration with coverage support - Update test scripts and ESLint configuration - Verify both module formats produce identical results
- Fix tsup config to use default export instead of named export - Disable TypeScript incremental compilation to prevent DTS build conflicts - Move build step from prepare hook to prepublishOnly to avoid unnecessary builds during npm install
- Replace import.meta.url with direct require usage in dual package tests - Add missing vitest imports to all test files - Update tsconfig to include test files in type checking
- Added @vitest/eslint-plugin dependency - Configured ESLint to lint test files with vitest-specific rules - Updated lint scripts to include src/__tests__ directory - Fixed import ordering and formatting in test files - Removed test directory from ignorePatterns
- Added Dual Package Support feature to features list - Added ES Modules usage example with import syntax - Added TypeScript usage example with type annotations - Organized usage examples with clear section headers
- Updated test framework from Jest to Vitest with v8 coverage - Added new test commands: test:watch, test:ui, type-check:watch - Documented dual package support (CommonJS + ESModule) - Updated build system documentation for tsup - Added Node.js 20+ requirement and ES2023 target information - Updated test file patterns and coverage configuration
- Added lcov to vitest coverage reporters for codecov upload
- Replaced generic "Test" describe blocks with descriptive function-specific names - Changed vague "toEqual()" test names to meaningful behavior descriptions - Enhanced test readability for better maintenance and debugging
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #23 +/- ##
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Coverage 100.00% 100.00%
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Files 1 1
Lines 23 32 +9
Branches 4 5 +1
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+ Hits 23 32 +9 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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feat(build): add dual package support with tsup