Question 1

How do I set up RxReduce in my iOS app?

Accepted Answer

Install via CocoaPods or Carthage, then define your state structs, action enums, reducers as functions, lenses for sub-states, and mutators. Register mutators with the store and dispatch actions to mutate state, as shown in the README's code samples.

Question 2

What's the difference between RxReduce and ReSwift?

Accepted Answer

RxReduce is built on RxSwift and leverages reactive programming for state observables and async actions, while ReSwift is a more direct Swift port of Redux without reactive dependencies. RxReduce offers better integration for RxSwift users, but ReSwift might be simpler for non-reactive projects.

Question 3

How can I handle asynchronous operations like network requests in RxReduce?

Accepted Answer

Use Observable<Action> to dispatch async actions. For example, create an observable that performs a network call and maps the result to an action, then dispatch it to the store. This allows side effects to be managed reactively within the action flow, as explained in the async section.

Question 4

Is RxReduce compatible with SwiftUI?

Accepted Answer

RxReduce can be used with SwiftUI by exposing the store's state as an observable and subscribing to it in SwiftUI views. However, since SwiftUI uses Combine, you might need to bridge RxSwift observables to Combine publishers, adding complexity and potential performance overhead.

Question 5

How to test reducers and state mutations in RxReduce?

Accepted Answer

Reducers are pure functions, so testing involves calling the reducer with a state and action and asserting the returned state. Since they have no side effects, unit tests are straightforward and can be run without mocking dependencies, making them highly reliable.

Question 6

Can I use RxReduce without RxSwift?

Accepted Answer

No, RxReduce is tightly coupled with RxSwift for its reactive features. If you're not using RxSwift, consider alternatives like ReSwift or building a custom state container without reactive dependencies, as RxReduce's core mechanisms depend on RxSwift observables.

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