Core Layer Patterns

The core layer provides fundamental building blocks used across all other layers in Clean Architecture. It contains no Flutter-specific code and focuses on pure Dart patterns.

Directory Structure

lib/core/
├── errors/
│   ├── failures.dart         # Base Failure classes
│   └── exceptions.dart       # Base Exception classes
├── utils/
│   ├── extensions.dart       # Dart extensions
│   └── validators.dart       # Input validators
├── config/
│   ├── app_config.dart       # Environment configuration
│   └── theme_config.dart     # Theme configuration
└── di/
    └── injection_container.dart  # Dependency injection setup