Type Converter Laravel Package

Product Decisions This Supports

• Domain-Driven Design (DDD) Adoption: Enables a database-agnostic approach by decoupling object conversion from persistence layers, aligning with DDD principles. Supports migration from ORM-centric (e.g., Eloquent) to rich domain models.
• API Layer Abstraction: Facilitates clean separation between API responses (DTOs) and internal domain objects, reducing boilerplate in serialization/deserialization (e.g., for GraphQL, REST, or gRPC).
• Roadmap for Microservices: Accelerates cross-service communication by standardizing type conversion between microservices (e.g., converting User domain objects to UserDTO for an auth service).
• Build vs. Buy: Buy for teams already using Laravel/PHP but needing flexible, framework-agnostic type conversion (vs. building custom mappers or using rigid ORM tools like Eloquent’s toArray()).
• Use Cases:
  • Legacy System Modernization: Convert legacy database models to modern DDD entities.
  • Multi-Format Output: Generate JSON/XML/GraphQL payloads from the same domain objects.
  • Testing: Mock domain objects with lightweight DTOs for unit/integration tests.
  • Third-Party Integrations: Transform internal objects into formats expected by payment gateways, CRM APIs, etc.

When to Consider This Package

• Adopt if:

  • Your team prioritizes DDD or CQRS and wants to avoid ORM leakage into domain logic.
  • You need reusable, maintainable type conversion across multiple projects/services.
  • Your API layer requires dynamic conversion (e.g., conditional field inclusion/exclusion).
  • You’re using Laravel but want framework-agnostic tools (e.g., for shared libraries).
  • Your current solution (e.g., manual ArrayHelper, custom mappers) is fragile or duplicated.

• Look elsewhere if:

  • You’re heavily invested in Eloquent and only need simple toArray() conversions (use Eloquent’s built-in features).
  • Your use case is trivial (e.g., one-off conversions in a small script).
  • You need real-time performance (this package adds minor overhead; benchmark if critical).
  • Your stack is non-PHP (e.g., Node.js, Python).
  • You require built-in validation during conversion (consider Symfony Serializer or Spatie’s Laravel Data).

How to Pitch It (Stakeholders)

For Executives:

*"This package lets us decouple our domain logic from persistence/API layers, reducing technical debt and making our system more adaptable. For example:

• Faster API development: Convert complex domain objects to lightweight DTOs in seconds, not hours.
• Easier refactoring: Change database schemas or API formats without cascading updates across the codebase.
• Cost-effective: MIT-licensed and open-source, with no vendor lock-in. Think of it as ‘Laravel’s missing piece’ for clean architecture—like a Swiss Army knife for object transformation."

For Engineers:

*"Problem: Our current type conversion is either:

• Brittle (hardcoded in controllers/repositories),
• Duplicated (copy-pasted mappers everywhere), or
• Tied to Eloquent (limiting DDD adoption).

Solution: This package provides a composable, framework-agnostic way to convert objects with:

• Zero boilerplate: Define rules once, reuse everywhere (e.g., User → UserDTO for API, CLI, and tests).
• Extensibility: Add custom converters for nested objects or edge cases.
• Performance: Minimal overhead (microbenchmarks show <5ms for typical conversions).

Migration Path:

1. Start with simple conversions (e.g., replace return $user->toArray() with $converter->convert($user, UserDTO::class)).
2. Gradually replace manual mappers in controllers/services.
3. Use it to standardize conversions across microservices.

Risk: Low—MIT license, active (though small) community, and Laravel-compatible."*