Reducer is not a standalone function in the realm of React Native's Redux framework

I need to implement a reducer in my react native application. The store constant is defined as follows:

export const USER_PROFILE = 'USER_PROFILE';

This is the content of action.js file:

import {USER_PROFILE} from '../constants/index';

export function userProfile(userReducer) {
  return {
    type: USER_PROFILE,
    payload: {
      email: '',
    },
  };
}

The error seems to be related to the userReducer. The error message states that customerReducer is not recognized as a function.

import {USER_PROFILE} from '../constants/index';

const initialState = {
  userProfile: '',
};

const customerReducer = (state = initialState, action) => {
  switch (action.type) {
    case USER_PROFILE:
      return {
        ...state,
        userProfile: action.payload,
      };
    default:
      return state;
  }
};

export default customerReducer;

In addition, the email has been declared as a state variable:

const [email, setEmail] useState('')

The reducer is being accessed here:

const customerReducer = useSelector(state => state.userProfile);
Now, it needs to be dispatched using the useDispatch method.

const dispatch = useDispatch();
...
dispatch(customerReducer(email));

Answer №1

Here is an example of how your action.js file should be structured:

import {USER_PROFILE} from '../constants/index';

export function userProfile(userReducer) {
  return {
    type: USER_PROFILE,
    payload: {
      email: userReducer.email,
    },
  };

When you dispatch the action, make sure to use "userProfile" instead of "customerReducer". Your dispatch statement should resemble this:

dispatch(userProfile({email}));

Remember to wrap the object in curly brackets when passing it as a parameter.

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