noteApp.js

import routes from './routes'; // user routes
import store from './store/index'; // user store

// injecting note routes to the vue router instance.
const router = new VueRouter({
  routes,
});

// injecting router and store instance to the newly created vue object.
const NoteApplication = new Vue({
  router,
  store,
});

// manually mounting an unmounted vue instance.
NoteApplication.$mount('#app');