v8.0.0

Release v8.0.0 (2025-09-14)

Features

• Add dual package support with CommonJS and ESM builds using tsup (#23 by @sectsect)
• Migrate test framework from Jest to Vitest with v8 coverage provider
• Add comprehensive dual package testing to verify both module formats
• Add TypeScript target ES2023 support for Node.js 20+
• Add new test commands: test:watch, test:ui, type-check:watch

Bug Fixes

• Fix security vulnerabilities in dependencies
• Fix TypeScript compilation errors with import.meta usage in tests
• Fix tsup build configuration to use default export
• Fix npm install hooks by moving build step from prepare to prepublishOnly
• Add lcov reporter for codecov compatibility

Refactor / Maintenance

• Update TypeScript target from ES2020 to ES2023 for modern Node.js support
• Restore Node.js v20.x support (was temporarily bumped to v21+)
• Improve test descriptions for better clarity and readability
• Add Vitest ESLint plugin for test file linting
• Update ESLint configuration to include test directories
• Disable TypeScript incremental compilation to prevent DTS build conflicts

Documentation

• Add dual package support documentation to README with usage examples
• Add ES Modules and TypeScript usage examples
• Update CLAUDE.md with Vitest migration and build system documentation
• Fix code examples and improve feature descriptions in README
• Add Claude Code guidance file for development workflow

CI/Build

• Add missing build step before running tests in CI
• Fix workflow permissions for GitHub Actions security compliance
• Update coverage configuration for Vitest
• Remove Jest dependencies and configuration files

Dependencies

• Replace Jest with Vitest testing framework
• Add tsup for modern dual package builds
• Add @vitest/eslint-plugin for test linting
• Update development dependencies to latest versions

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This major release introduces modern dual package support (CommonJS + ESM) with tsup, migrates the testing infrastructure to Vitest, and updates the
build system for better Node.js compatibility. The package now supports both import and require syntax while maintaining backward compatibility.