Katana
A modern Swift framework for writing testable and predictable iOS app logic, inspired by Redux.
What is Katana?
Katana is a Swift framework for building iOS applications with a predictable and testable architecture. It manages app state using a Redux-inspired pattern, where the entire state is centralized and can only be modified through dispatched StateUpdaters. This approach eliminates race conditions and makes business logic easy to reason about.
iOS developers building medium-sized applications who need a structured, testable approach to state management and business logic.
Developers choose Katana for its strict unidirectional data flow, built-in side effect handling with promises, and excellent testability through dependency injection. It scales well for production apps and integrates seamlessly with UIKit via companion libraries like Tempura.
Overview
Swift Apps in a Swoosh! A modern framework for creating iOS apps, inspired by Redux.
Use Cases
Best For
- Implementing Redux-like state management in Swift iOS apps
- Building testable business logic with dependency injection
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