Vuetify - make components global

App.vue

<template>
   <v-app>
     <!-- other components ... -->
     <confirm ref="confirm"></confirm>
   </v-app>
</template>

<script>
import confirm from "./components/confirm.vue";
export default{
 components: {
  confirm,
 },
 mounted() {
   this.$root.$confirm = this.$refs.confirm;
   // now you can access your confirm component from any components
   // this.$root.$confirm
 }
}
</script>