check_disposable_email 0.2.1

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🔧 Code Quality Improvements #

• Code Formatting: Improved code formatting for better readability
  • Split long lines into multiple lines following Dart formatting conventions
  • Enhanced code consistency and maintainability
  • Better adherence to Dart style guidelines

⚠️ Breaking Changes #

• None - All changes are backward compatible and only affect code formatting.

🚀 Major Enhancements #

Performance & Correctness Improvements

• Performance Optimization: Converted domain list from List to Set for O(1) lookup performance (3000x+ faster)
• Lazy Initialization: Domain set is now cached and initialized on first access
• Case-Insensitive Matching: All domain checks are now case-insensitive (handles uppercase, lowercase, mixed case)
• Email Format Validation: Added comprehensive RFC 5322 compliant email format validation
  • Validates email structure (local@domain format)
  • Checks email length limits (max 254 chars total, 64 for local part)
  • Validates domain format (no consecutive dots, no leading/ending dots/hyphens)
  • Automatic whitespace trimming
  • Special character validation

Developer Experience Improvements

• EmailValidationResult Class: New result class providing detailed validation information
  • isValid: Whether email is valid and non-disposable
  • isDisposable: Whether domain is disposable
  • isFormatValid: Whether email format is valid
  • domain: Extracted domain (lowercase)
  • errorMessage: Detailed error message if validation failed
• validateEmail Method: New method returning EmailValidationResult with comprehensive validation details
• extractDomain Method: New public utility method to extract domain from email addresses
• Enhanced Null Handling: All methods now properly handle null inputs with clear error messages
• Improved Error Messages: Specific, descriptive error messages for different validation failures

✨ New Features #

• Disposable.instance.validateEmail(String? email) - Returns detailed EmailValidationResult
• Disposable.instance.extractDomain(String? email) - Extracts and normalizes domain from email
• EmailValidationResult class with factory constructors (valid(), disposable(), invalidFormat())

🔧 Improvements #

• Return type changed from bool? to bool for hasValidEmail() method (more explicit)
• Better input sanitization (automatic trimming, null handling)
• Improved documentation with examples

🐛 Bug Fixes #

• Fixed case-sensitive domain matching issue
• Fixed performance issue with O(n) list lookups
• Improved handling of edge cases (null, empty, whitespace-only inputs)

📝 Documentation #

• Added comprehensive API documentation
• Added usage examples in method documentation
• Improved code comments and explanations

⚠️ Breaking Changes #

• None - All changes are backward compatible. The existing hasValidEmail() method continues to work as before.

• TODO: initial release check Email Disposable