What is the Redux Store? A Beginner’s Guide

If you’re new to Redux, you might hear a lot about the “store” and wonder what it is. Think of the Redux store as the central hub for managing your application’s state. It holds all the data your app needs in one place, making it easier to manage, debug, and scale. Let’s break it down step by step.

What is the Redux Store?

The Redux store is a JavaScript object that:

1. Stores the State: It contains the entire state of your application in a single, immutable object.
2. Provides Access: You can access the state using the getState() method.
3. Allows State Updates: It enables you to dispatch actions to update the state using reducers.
4. Manages Subscriptions: It lets components subscribe to state changes, ensuring the UI updates automatically.

Key Concepts of the Redux Store

1. Single Source of Truth
   The Redux store holds your application’s state in a single object. This ensures consistency and eliminates the confusion caused by multiple state sources.

Example:

const initialState = { 
  counter: 0, user: null 
  }; 
const store = createStore(reducer, initialState); 
console.log(store.getState());  // Output: { counter: 0…