# State Management with Redux Redux centralizes application state in a single store. It follows a unidirectional data flow, improving predictability and debugging. ## Redux Primitives - **Actions**: Plain objects describing what happened. - **Reducers**: Pure functions that modify state based on actions. - **Store**: Holds the entire state tree of your application.
## Example ```js const initialState = { user: null }; function rootReducer(state = initialState, action) { switch (action.type) { case 'LOGIN_SUCCESS': return { ...state, user: action.payload }; default: return state; } } ``` Redux encourages consistent coding patterns. With time-travel debugging and a strong community, Redux simplifies large-scale state management.