combineReducers.js

import { combineReducers } from 'redux';
import { createStore } from 'redux';

// create reducer 1
const is1 = 0;
const red1 = (state = is1, action) => {
  switch(action.type) {
    default: return state;
  }
};

// create reducer 2
const is2 = "";
const red2 = (state = is2, action) => {
  switch(action.type) {
    default: return state;
  }
};

// combine reducer 1 and 2
const allRed = combineReducers({
  reducer1: red1,
  reducer2: red2,
});

// create store from combined reducers
const store = createStore(allRed);