Redux

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.

Redux is normally used by installing the Redux packages from NPM, and the UI is created using a library like React.

When should I use Redux?

Redux is more useful when:

• You have large amounts of application state that are needed in many places in the app
• The app state is updated frequently over time
• The logic to update that state may be complex
• The app has a medium or large-sized codebase, and might be worked on by many people

Redux Libraries and Tools

• React-Redux React-Redux is the official package that lets React components interact with a Redux store by reading pieces of state and dispatching actions to update the store.

• Redux Toolkit Used for writing Redux Logic. It contains packages and functions that are essential for building a Redux app.

• Redux DevTools Extension This allows to debug applications effectively.

The Redux Store

• The center of every Redux application is the store.

• A "store" is a container that holds your application's global state.

• A store is a JavaScript object with a few special functions and abilities that make it different than a plain global object