React state management is a process for managing the data that React components need in order to render themselves. This data is typically stored in the component's state object. When the state object changes, the component will re-render itself. React state management is basically half of a React app.
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What is state management in Redux?
Do you need state management in React?
Managing your data is very important in frontend applications for better performance and efficiency. If you want to make quick decisions in the project you need to know the data well. If you want to make an efficient app you need to design data well. Data is scattered everywhere without state management.
How to Manage State in React
React state management is basically half of a React app. It includes all the data. The other half is the presentation including the HTML, CSS, and formatting. State and state management is relied on by presentation part of the app. The only time a React app will re-rendered is when state changes.
What is Redux?
Redux is a pattern and library for managing and updating application state, using events called "actions". It serves as a centralized store for state that needs to be used across your entire application, with rules ensuring that the state can only be updated in a predictable fashion.
Why Should I Use Redux?
Redux helps you manage "global" state - state that is needed across many parts of your application.
The patterns and tools provided by Redux make it easier to understand when, where, why, and how the state in your application is being updated, and how your application logic will behave when those changes occur. Redux guides you towards writing code that is predictable and testable, which helps give you confidence that your application will work as expected.
Redux Libraries and Tools
React-Redux
Redux can integrate with any UI framework, and is most frequently used with React. React-Redux is our official package that lets your React components interact with a Redux store by reading pieces of state and dispatching actions to update the store.
Redux Toolkit
Redux Toolkit is our recommended approach for writing Redux logic. It contains packages and functions that we think are essential for building a Redux app. Redux Toolkit builds in our suggested best practices, simplifies most Redux tasks, prevents common mistakes, and makes it easier to write Redux applications.
Redux DevTools Extension
The Redux DevTools Extension shows a history of the changes to the state in your Redux store over time. This allows you to debug your applications effectively, including using powerful techniques like "time-travel debugging".
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