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Domain Laravel Package
open-solid/domain
Domain layer toolkit for Laravel built around SOLID principles. Provides base classes for entities, value objects, repositories, and services so you can organize business logic cleanly and keep your domain code framework-agnostic and testable.
open-solid/domain provides a lightweight foundation for building a clean domain layer in Laravel and PHP applications. It offers framework-agnostic building blocks that encourage SOLID design, explicit boundaries, and testable business logic.
- Base abstractions for entities, value objects, and aggregates
- Contracts for repositories and domain events
- Support for typed identifiers and immutable values
- Framework-independent integration with Laravel
- Clear separation between domain and infrastructure concerns
Frequently asked questions about Domain
- What is Open Solid Domain used for in Laravel projects?
- Open Solid Domain is a Laravel/PHP package for building a clean, framework-independent domain layer. It provides base abstractions and conventions for entities, value objects, repositories, and use cases. Laravel developers use it to keep business logic isolated from controllers, Eloquent models, and other framework concerns so the domain is easier to test and maintain.
- How do I install open-solid/domain with Composer?
- Run composer require open-solid/domain from the root of your Laravel project. After installation, review the package README and composer.json for optional configuration and PHP or Laravel version constraints. Commit the updated composer.json and composer.lock so the dependency is reproducible across environments.
- Does Open Solid Domain require Laravel to work?
- It is presented as a Laravel/PHP package, so it is aimed at Laravel applications, but its purpose is to support a framework-independent domain layer. The core concepts it addresses, such as entities, value objects, repositories, and use cases, are plain PHP design patterns rather than Laravel-specific features. In practice, Laravel can provide the application and infrastructure layers while the domain layer remains isolated.
- Which Laravel versions are supported by Open Solid Domain?
- The provided overview does not list specific Laravel version support. Check the package's composer.json for its PHP and illuminate/support constraints before installing it in an existing application. If you maintain multiple Laravel versions, test the package in a branch or CI matrix that matches your production version.
- How does Open Solid Domain help keep business logic framework-independent?
- The package supplies base abstractions and conventions for domain building blocks such as entities, value objects, repository contracts, and use cases. Those building blocks can be written as plain PHP code without depending on Laravel controllers, HTTP requests, or Eloquent models. Laravel-specific implementations then sit at the edges and depend on the domain, which helps prevent framework details from leaking into business rules.
- What are entities, value objects, repositories, and use cases in Open Solid Domain?
- Entities are domain objects with identity, value objects are immutable descriptive values, repositories define persistence contracts, and use cases encapsulate application actions. Open Solid Domain provides base abstractions and conventions for these concepts. The goal is consistent, SOLID-aligned domain code that is easier to reason about and test.
- How should I structure a Laravel app using Open Solid Domain?
- Put domain entities, value objects, repository interfaces, and use cases in a layer that does not depend on Laravel. Implement repository interfaces in Laravel-aware infrastructure, such as Eloquent-backed classes, and keep controllers, commands, and jobs thin. Use cases should coordinate domain objects and repository contracts rather than calling framework APIs directly.
- Is Open Solid Domain suitable for unit testing?
- Yes. Its emphasis on a framework-independent domain layer makes entities, value objects, and use cases good candidates for fast unit tests. Repository interfaces also let you substitute in-memory or mock implementations so tests do not need a database or a booted Laravel application.
- Can I use Open Solid Domain in production Laravel applications?
- It is intended for real Laravel/PHP applications that want cleaner domain architecture, but you should review its release history, test coverage, and maintenance activity before relying on it in production. Confirm PHP and Laravel constraints from composer.json and check the README for documented usage. A safe approach is to adopt it in a new bounded context or feature first, then expand after validating the conventions with your team.
- Is Open Solid Domain maintained, and what alternatives should I consider?
- The provided overview does not include release cadence or maintenance details, so check the package repository for tagged releases, commit activity, and open issues. Compare it with other Laravel domain-driven design packages and with custom plain PHP abstractions for entities, value objects, repositories, and use cases. Choose based on how well its conventions fit your architecture, its Laravel version support, and its long-term maintenance signals.
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