What is Redux?
Why was Redux created?
Key Concepts of Redux
There are a few key concepts in Redux that are essential to understand:
3.Reducers: Reducers are pure functions that take the current state of your application and an action as input, and return a new state as output.
4.Dispatch: Dispatch is a function that is used to trigger an action. When an action is dispatched, it is sent to all the reducers in your application, which then update the state of your application.
5.Middleware: Middleware is a function that sits between the dispatch function and the reducers in your application. It can intercept actions and modify them before they reach the reducers.
How Redux Works
The Redux Data Flow:
The data flow in Redux is unidirectional, meaning that data flows in one direction through the application. When an action is dispatched, it is sent to all the reducers in the application. Each reducer then checks the type of the action and updates the state of the application accordingly. The new state is then returned from the reducer and stored in the store. Finally, the updated state is sent to the connected components in the application, triggering a re-render.
Flow of Actions in Redux:
When an action is dispatched in Redux, it goes through a specific flow:
1.An action is dispatched.
2.The action is sent to all the middleware functions in the application.
3.The action is sent to all the reducers in the application.
4.The reducers update the state of the application.
5.The updated state is stored in the store.
6.The updated state is sent to the connected components in the application.
If you're new to Redux, it can be intimidating at first. However, by taking the time to learn the key concepts and best practices, you can quickly become proficient in using Redux in your applications.
Q: Is Redux only for React?
Q: What are the alternatives to Redux?
A: Some alternatives to Redux include MobX, Flux, and Vuex.
Q: Can Redux be used with server-side rendering?
A: Yes, Redux can be used with server-side rendering.
Q: Can Redux be used with TypeScript?
A: Yes, Redux has support for TypeScript.
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