Redux: an overview

Redux: an  overview
Written by Nilima PaulDecember 14, 2021
9 min read
Nilima Paul

Data Team

In this blog post, we will know about the Redux overview

What is Redux?

Revival is an anticipated state compartment intended to assist you with composing JavaScript applications that act reliably across customer, server, and local conditions and are not difficult to test.

While it's for the most part utilized as a state the board apparatus with React, you can utilize it with some other JavaScript system or library. It's lightweight at 2KB (counting conditions), so you don't need to stress over it making your application's resource size greater.

With Redux, the condition of your application is kept in a store, and every part can get to any express that it needs from this store.

On the off chance that you're simply getting everything rolling with Redux, the video beneath is an extraordinary asset for amateurs.


Why use Redux?

When utilizing Redux with React, states will presently don't should be lifted up. This makes it simpler for you to follow which activity creates any change

As you can find in the model over, the part doesn't have to give any state or strategy to its youngsters parts to divide information between themselves. Everything is dealt with by Redux. This enormously streamlines the application and makes it more straightforward to keep up with.

This is the essential motivation behind why you should utilize Redux, however it's not by any means the only advantage. Investigate the rundown underneath for a synopsis of what you remain to acquire by utilizing Redux for state the executives.

What are the benefits of using Redux?

There are many benefits to using Redux. The most prominent benefit is improved state management for your application. Yet, there are many other benefits.

Easy debugging and testing. You can use the Redux DevTools or log the state to understand better what’s happening in your application.

Reducer functions can be tested quickly. As reducer functions are pure functions, they produce the same output for the same input. Therefore, testing pure functions become a simple task.

Hook monitoring tools. You can hook monitoring tools to your application’s state to monitor the state in real-time. This improves visibility for your application and allows you to track different metrics.

Predictable outcome. Every action produces a predictable outcome. Your state store acts as a single source of truth. Therefore, you can avoid data inconsistency bugs and don’t have to worry about data synchronization issues between components.]

Advantages of Redux

1. Redux makes the state predictable

In Redux, the state is always predictable. If the same state and action are passed to a reducer, the same result is always produced because reducers are pure functions. The state is also immutable and is never changed. This makes it possible to implement arduous tasks like infinite undo and redo. It is also possible to move back and forth among the previous states and view the results in real-time.

2. Redux is maintainable

Redux is strict about how code should be organized, which makes it easier for someone with knowledge of Redux to understand the structure of any Redux application. This generally makes it easier to maintain. This also helps the users to segregate the business logic from the component tree. For large-scale apps, it is critical to keep the application more predictable and maintainable.

3. Debugging is easy in Redux

Redux makes it easy to debug an application. By logging actions and states, it is easy to understand coding errors, network errors, and other forms of bugs that might come up during production.

Besides logging, it has great DevTools that allow time-travel actions, persist actions on page refresh, etc. For medium- and large-scale apps, debugging takes more time than actually developing features. Redux DevTools makes it easy to taker advantage of all Redux has to offer.

4. Performance Benefits

We might assume that keeping the application's state global would result in some performance degradation. To a large extent, that’s not the case as React Redux implements many performance optimizations internally so that our own connected component only re-renders when it actually needs to.

5. Ease of testing

It is easy to test Redux apps since functions are used to change the state of pure functions.

6. State persistence

We can persist some of the application's state to local storage and restore it after a refresh. This can be really nifty.

7. Server-side rendering

Redux can also be used for server-side rendering. With it, we can handle the initial render of the app by sending the state of an app to the server along with its response to the server request. The required components are then rendered in HTML and sent to the clients.


Dealing with the condition of an application can be a cerebral pain. What's more dealing with a structure changelessly in that state can be much more so. Revival and Redux Form function admirably together. Assuming that the structure is excessively straightforward Redux Form may be viewed as a touch of over the top excess. On the off chance that it is excessively intricate you might wind up composing more code to incorporate Redux Form than you would have physically taking care of the state with revival alone.

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Nilima Paul
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Copyright @2020
made with by Abhishek & Priyanka Jalan