CleanAuthArchitecture

A clean, scalable login form architecture in Swift using MVVM, Combine, and async/await.
This project demonstrates best practices for handling user authentication, form validation, and reactive UI logic in a testable and maintainable way.

---

🚀 Features

• ✅ MVVM architecture with protocol-oriented design
• ✅ Combine-based field validation (live feedback as user types)
• ✅ async/await-based login flow with error handling
• ✅ Clean separation of concerns (validation, form state, business logic)
• ✅ Easily extendable to Signup, Reset Password, etc.
• ✅ Fully testable and dependency-injected services

---

🧱 Architecture Overview

LoginViewModel
├── LoginFormComposition (Protocol)
│   └── LoginForm (Implements validation + fields)
│       └── AutoValidatingField (Reactive input with Combine)
├── AuthenticationService (Protocol)
│   └── Mock or Real Login Service