Clean Code in Swift: iOS/macOS Development

The book "Clean Code in Swift" is a practical guide for iOS and macOS developers who want to write code that is easy to read, maintain, and extend. Unlike abstract theories, the book focuses on real problems that Swift developers face: tangled controllers, monolithic models, complex closures, and non-obvious dependencies.

What the book is about

• SOLID principles in the context of Swift: how to avoid "spaghetti code" in UIKit and SwiftUI.
• Architectural patterns: MVC, MVVM, VIPER, and Coordinator — when and what to choose.
• Refactoring legacy code: step-by-step techniques for turning chaos into a coherent system.
• Memory management and dependency management: DI containers, protocols, and composition.
• Testing clean code: unit tests, mocks, and testing asynchronous code.
• Writing "self-documenting" code: naming, formatting, comments.

Who this book is for

• Junior and Middle developers who want to move to the next level.
• Developers working with large projects and legacy code.
• Team leads and architects looking for unified standards for the team.
• Anyone who writes in Swift and wants to reduce debugging and maintenance time.

What you will learn

• How to write functions and classes that are easy to test and modify.
• How to properly use protocols, extensions, and generics.
• How to avoid typical Swift mistakes: strong reference cycles, overcomplicated closures, and "god objects".
• How to build modular applications that don't "break" when adding a new feature.
• How to implement clean code practices in an existing project without stopping development.

The book contains many examples in Swift, including code snippets for iOS and macOS, analysis of antipatterns, and exercises for reinforcement. You will learn not just to write working code, but to create software products that will delight you and your team for years to come.

Perfect for self-study and for use as a desktop reference in everyday development.