React State Management with Context and Reducer

Create global application stores without external libraries like Redux.

Combining React's useContext with useReducer provides a lightweight, native state management architecture suitable for enterprise themes, auth states, and shopping carts.

Key Takeaways: React State Management with Context and Reducer

Mastering React State Management with Context and Reducer helps you write clean and reliable React code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

React State Management with Context and Reducer Code Example

React
import React, { createContext, useContext, useReducer } from "react";

const AuthContext = createContext();

export function AuthProvider({ children }) {
  const [user, dispatch] = useReducer((state, action) => {
    return action.type === "LOGIN" ? action.payload : null;
  }, null);

  return (
    <AuthContext.Provider value={{ user, dispatch }}>
      {children}
    </AuthContext.Provider>
  );
}
Output
Provides scalable global auth state store
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