vuejs_course/2021-05-04_vuex-01-starting-setup/src/store/index.js

import { createStore } from 'vuex';

import rootMutations from './mutations.js'
import rootActions from './actions.js'
import rootGetters from './getters.js'

import counterModule from './modules/counter/index.js';

const store = createStore({
  modules: {
    counter: counterModule
  },
  state() {
    return {
      isLoggedIn: false
    };
  },
  mutations: rootMutations,
  getters: rootGetters,
  actions: rootActions
});

export default store;