Fixed #

• Added example app in example/ directory to meet pub.dev requirements
• Removed lib/main.dart to fix documentation warnings
• Improved example documentation with comprehensive usage demonstrations

Added #

Core Features

• Date Formatting - 14+ formatting functions with multi-language support

  • Short, medium, long, and full date formats
  • Custom pattern support (yyyy-MM-dd, etc.)
  • ISO 8601 formatting
  • Date range formatting
  • File-safe formatting
  • Ordinal date formatting (1st, 2nd, 3rd)

• Time Formatting - 8+ time formatting functions

  • 12-hour and 24-hour formats
  • With/without seconds support
  • Millisecond precision
  • Combined date/time formats

• Date Comparisons - 13+ comparison utilities

  • Same day, week, month, year checks
  • Today, yesterday, tomorrow checks
  • Past/future checks
  • Weekend/weekday checks
  • Date range checks with inclusive/exclusive options

• Date Calculations - 20+ calculation functions

  • Start/end of day, week, month, year, quarter
  • Business days calculations (add, subtract, count)
  • Age calculation from birthdate
  • Month arithmetic with edge case handling
  • Leap year detection
  • Week number calculation
  • Quarter calculations
  • Timezone utilities (UTC conversion, offset formatting)

• Relative Time - 5+ relative time functions

  • Past relative time ("2 hours ago")
  • Future relative time ("in 3 days")
  • Short format ("2h", "3d")
  • Duration formatting
  • Countdown/time remaining

• Smart Features

  • Context-aware formatting
  • Flexible date parsing
  • Date validation
  • Custom pattern support

Internationalization

• 7 Languages Supported
  • English (en, en_US, en_GB)
  • Spanish (es, es_ES)
  • French (fr, fr_FR)
  • German (de, de_DE)
  • Arabic (ar, ar_SA) with RTL support
  • Japanese (ja, ja_JP)
  • Chinese (zh, zh_CN)

Architecture

• Modular Design - Import only what you need

  • date_formatters.dart - Date formatting
  • time_formatters.dart - Time formatting
  • date_comparisons.dart - Comparisons
  • date_calculations.dart - Calculations
  • relative_time.dart - Relative time
  • date_parsers.dart - Parsing
  • smart_formatters.dart - Smart formatting
  • constants.dart - Translations and constants
  • datetime.dart - Barrel file (exports all)

• Zero Dependencies - Pure Dart implementation

• Tree-shakable - Unused code eliminated in builds

• Type-safe - Full null safety support

• Well-documented - Comprehensive inline documentation

Documentation

• Comprehensive README with 850+ lines
• EXAMPLES.md with 1,286 lines of usage examples
• 9 real-world use case examples
• Quick start guide
• Migration guide
• API reference for 50+ functions
• FAQ section
• Troubleshooting guide

Testing

• Example app demonstrating all features
• Unit test coverage for core functions
• Static analysis passing
• Production-ready code quality

Features Summary #

• 50+ utility functions
• 7 languages with proper localization
• Zero external dependencies
• Modular architecture
• Comprehensive documentation
• Real-world examples
• Production-ready

Performance #

• Lightweight (<50KB impact)
• Fast execution (<1ms for most operations)
• Minimal memory footprint
• No runtime overhead