Advantages of using Redux in React

The following are some of the benefits of using Redux:

1. State management system that is centralized, i.e. Store: The state of a component in React is saved locally. Props are supplied to child components, and callbacks are utilized for parent components, to share this state with other components in the application. The store, on the other hand, stores Redux state globally. The data can be accessed directly by all components of the program. This centralizes all data and makes it very simple for a component to obtain the desired state. As a result, the Redux store is highly recommended when designing large, complex apps with many components.

2. Performance Improvements: When a component is updated, React re-renders all the components in that part of the component tree by default. These re-renders are unnecessary when the data for a given component hasn't changed (cause the UI output displayed on the screen would remain the same). The Redux store improves efficiency by avoiding needless re-renders and ensuring that a given component re-renders only when its data has changed.

3. Pure reducer functions: A pure reducer function is one that does not alter input data, is independent of external state, and consistently produces the same output for the same input. In contrast to React, Redux relies on pure functions. It loops through a state (object) and passes it to each reducer. In the event that any data changes, the reducer returns a new object (re-rendering takes place). If there are no changes, the old object is returned (no re-rendering).

4. Long-term data storage: Redux is widely used to store long-term data that is required while the user navigates the application, such as data loaded from an API, data submitted through a form, and so on, because data stored in redux persists until page refresh. React, on the other hand, is best for storing data that is certain to change often (form inputs, toggles, etc.)

5. Time-travel Debugging: Tracking the state of the application during the debugging process in React becomes a tedious task. Debugging the application is simplified by Redux. It is widely used for time-travel debugging because it represents the entire state of an application at any given point in time. It is even capable of sending complete error reports to the server!

6. A fantastically supportive community Because redux has a large user base, it is easier to learn best practices, get help when you get stuck, and reuse your knowledge across different applications. There are also a number of redux extensions that aid in the simplification of code logic and the improvement of performance.