reducer.js

import { SET_USER, FIND_NAME } from '../constants/Constants';

const initialState = {
  activeUser: 0,
};

export default function activeUser(state = initialState, action) {
  switch (action.type) {
    case SET_USER:
      return {
        ...state,
        activeUser: action.payload,
      };

    case FIND_NAME:
      return {
        ...state,
        activeUser: 0,
      };

    default:
      return state;
  }
}