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CHANGELOG.md

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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 adheres to Semantic Versioning.

[0.6.0] - 2025-09-20

Enhanced

  • Testing: Improved test coverage to 99.75% statement coverage and 98.5% branch coverage
  • Documentation: Added comprehensive development guide to README.md
  • Testing: Added edge cases for parser error handling and formula parsing
  • Code Quality: Enhanced test suite with 12 additional test cases for better reliability

Added

  • Development: New test cases for TermParser and ExprParser covering edge cases
  • Documentation: Complete project architecture documentation in README.md
  • Testing: Comprehensive coverage for multiplication and division operator edge cases

[0.5.6] - 2023-XX-XX

Added

  • Core functionality for attribute path traversal
  • Support for object property and array index access
  • Formula parsing capabilities with mathematical expressions
  • Unicode character support for international keys
  • Dual module support (CommonJS and ESM)

Features

  • traverse(target, path, default_value?) - Safe object path navigation
  • update(target, path, value) - Update values at specific paths
  • is_valid(path) - Path syntax validation
  • Support for complex path expressions: .property, ['property'], [index]
  • Mixed path support: .children.john.hobby[1].name
  • Dot-containing keys: ['children.john']

Technical

  • Parser System: Robust BNF grammar-based parsing
  • Handler Pattern: Clean separation of parsing and value operations
  • Stream Processing: Efficient character-by-character parsing
  • Type Safety: Full TypeScript support with strict mode
  • Testing: Jest-based test suite with high coverage

Build System

  • CommonJS: Built to dist/ using tsconfig.json
  • ESM: Built to dist/esm/ using tsconfig.esm.json
  • Both builds include TypeScript declarations and source maps
  • TypeDoc documentation generation

[0.5.5] - 2023-XX-XX

Added

  • update method implementation
  • Enhanced path validation

Fixed

  • Fixed to work correctly when the key contains "."
  • Improved handling of quoted property names

[0.5.4] - 2023-XX-XX

Added

  • Initial stable release
  • Basic path traversal functionality
  • Support for nested objects and arrays

Features

  • Safe object traversal without throwing errors
  • Support for both dot notation and bracket notation
  • Default value handling

Legend

  • Added: New features
  • Enhanced: Improvements to existing features
  • Fixed: Bug fixes
  • Technical: Internal improvements
  • Documentation: Documentation updates
  • Build System: Build and deployment changes