Responsividade no botão conforme o tamanho da tela. Vuejs

Component.vue

<v-btn v-bind="size"><v-icon left v-bind="size">mdi-home</v-icon> Button</v-btn>

computed: {
    size () {
      const size = {xs:'x-small', sm:'small', lg:'large', xl:'x-large'}
      [this.$vuetify.breakpoint.name];
      return size ? { [size]: true } : {}
    }
  }