text:   
  import Vue from "vue";
  import App from "./App.vue";
  import router from "./router";
  import store from "./store";
  import vuetify from "./plugins/vuetify";
  import BackToTop from 'vue-backtotop';
  import VueCompositionAPI from '@vue/composition-api'
  import { auth, apolloProvider  } from '@/services' 
  
  Vue.use(VueCompositionAPI)
  
  Vue.config.productionTip = false;
  Vue.config.silent = true;
  
  Vue.use(BackToTop);
  
  let app = ''
  
  auth.onAuthStateChanged(() => {
    if (!app) {
      new Vue({
        router,
        store,
        vuetify,
        apolloProvider,
        render: h => h(App)
      }).$mount("#app")
    }
  })