membuat-promise-based-dialog#09

<template>
  . . .
  <v-btn @click="openDialog" color="primary">Open Dialog</v-btn>
  . . .
</template>
  . . .
  methods: {
    openDialog() {
      this.$refs.dlg
        .open()
        .then(res => {
          this.hasil = res;
        })
        .catch(res => {
          this.hasil = res;
        });
    }
  }