Redux State
How to Work With Redux State Correctly
In the video posted above we explain how the different data types in JavaScript work internally and how they can produce unwanted side effects. A programmer needs to be aware of this data behavior.
We see some of the methods that we can use to copy data and thus avoid these possible unexpected value changes.
To avoid these unwanted effects on Redux’s state handling, we should create new objects instead of directly manipulating the state. When React-Redux projects are very large, traditionally managing the Redux State can be very laborious. To do this, Redux Toolkit comes to the rescue.
Effective State Management with Redux in React Applications
Redux is a popular library for managing state in JavaScript applications, especially useful in large-scale React applications. It provides a predictable way to organize and handle your application’s state. Here’s how to use Redux correctly to manage state.
Basic Principles of Redux
Redux is based on three fundamental principles:
- Single source of truth: The state of your entire application is stored in an object tree within a single store.
- State is read-only: The only way to change the state is by emitting an action, an object describing what happened.
- Changes are made with pure functions: To specify how the state tree is transformed by actions, you use pure reducers.
Best Practices
- Keep your state as flat as possible: Avoid deep nesting to make updates easier and prevent errors.
- Normalize your state: Treat your data as if it were a database.
- Use middleware for side effects: Like
redux-thunkorredux-sagato handle asynchronous logic.
Redux Toolkit
Redux Toolkit makes it easier to write good Redux applications and speeds up development, by baking in our recommended best practices, providing good default behaviors, catching mistakes, and allowing you to write simpler code. Redux Toolkit is beneficial to all Redux users regardless of skill level or experience.
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