How can I implement authentication in a React app using Redux and TypeScript?

How can I implement authentication in a React app using Redux and TypeScript?

To implement authentication, you can start by setting up Redux for state management and creating actions for login and logout.

What kind of state should I manage for authentication?

You should manage user information, authentication status, and any error messages related to login attempts.

Can you show me a basic example of the Redux slice for authentication?

Sure! Here's a simple example:

import { createSlice, PayloadAction } from '@reduxjs/toolkit';

interface AuthState {
  user: null | { id: string; name: string };
  isAuthenticated: boolean;
}

const initialState: AuthState = {
  user: null,
  isAuthenticated: false,
};

const authSlice = createSlice({
  name: 'auth',
  initialState,
  reducers: {
    login(state, action: PayloadAction<{ id: string; name: string }>) {
      state.user = action.payload;
      state.isAuthenticated = true;
    },
    logout(state) {
      state.user = null;
      state.isAuthenticated = false;
    },
  },
});

export const { login, logout } = authSlice.actions;
export default authSlice.reducer;

How do I connect this slice to my React components?

You can use the useSelector hook to access the authentication state and the useDispatch hook to dispatch login/logout actions in your components.