Question 1

How to handle errors with redux-promise?

Accepted Answer

Redux Promise automatically dispatches rejected promise values with a status of 'error' in FSA-compliant actions. Handle these in reducers by checking the action status or error payload, ensuring consistent error management across your app.

Question 2

Can I use redux-promise with Redux Toolkit?

Accepted Answer

Yes, but it's often redundant since Redux Toolkit includes createAsyncThunk for async handling. Redux Promise can still be added as middleware, but modern Redux apps might prefer the built-in solutions for better integration.

Question 3

redux-promise vs redux-thunk: which is better for async actions?

Accepted Answer

Redux Promise is simpler for FSA-compliant promise handling, automatically dispatching results. Redux Thunk offers more flexibility with custom dispatch logic. Choose based on whether you need standardization or control over complex async flows.

Question 4

How to set up redux-promise for server-side rendering?

Accepted Answer

Configure the Redux store with redux-promise middleware, and ensure it returns a promise. In server code, wait for all middleware promises to resolve before rendering, as the README notes this is key for SSR async operations.

Question 5

Does redux-promise support cancelling promises?

Accepted Answer

No, redux-promise has no built-in support for cancelling promises. For cancellable async operations, consider using Redux Saga or implementing custom logic outside the middleware, as it only handles resolution and rejection.

Question 6

How to integrate redux-promise with async/await in action creators?

Accepted Answer

Use async functions in action creators that return promises; redux-promise will automatically dispatch the resolved or awaited values. This works seamlessly with async/await syntax, reducing boilerplate in modern JavaScript code.

redux-promise

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