redux-thunk

Automatically included in Redux Toolkit's configureStore, eliminating setup steps and ensuring seamless integration with modern Redux practices.

Allows action creators to return functions for asynchronous operations like API calls, enabling straightforward async logic without additional abstractions.

Provides access to getState within thunks, allowing actions to be dispatched conditionally based on current application state, as shown in the incrementIfOdd example.

Supports custom extraArgument to inject dependencies like API services, facilitating easy mocking and unit testing without hard-coded imports.