[Vuejs]-Turn input text to a button

new Vue({
  el: '#app',
  vuetify: new Vuetify(),
  data: {
    isLoading: false,
    items: [],
    model: null,
    search: null,
  },
  methods: {
    closeChip(item) {
      this.model = this.model.filter(e => e !== item.symbol)
    }
  },
  watch: {
    model(val) {
      if (val != null) this.tab = 0
      else this.tab = null
    },
    search(val) {
      // Items have already been loaded
      if (this.items.length > 0) return

      this.isLoading = true

      // Lazily load input items
      fetch('https://api.coinmarketcap.com/v2/listings/')
        .then(res => res.json())
        .then(res => {
          this.items = res.data
        })
        .catch(err => {
          console.log(err)
        })
        .finally(() => (this.isLoading = false))
    },
  }
})

<link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/@mdi/font@4.x/css/materialdesignicons.min.css" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/vuetify@2.x/dist/vuetify.min.css" rel="stylesheet">

<div id="app">
  <v-app>
    <v-content>
      <v-container>
        <v-row>
          <v-col>
            <v-autocomplete v-model="model" :items="items" :loading="isLoading" :search-input.sync="search" chips clearable hide-details hide-selected item-text="name" item-value="symbol" label="Search for a coin..." solo multiple>
              <template v-slot:no-data>
                <v-list-item>
                  <v-list-item-title>
                    Search for your favorite
                    <strong>Cryptocurrency</strong>
                  </v-list-item-title>
                </v-list-item>
              </template>
              <template v-slot:selection="{ attr, on, item, selected }">
                <v-chip
                  v-bind="attr"
                  :input-value="selected"
                  close
                  color="blue-grey"
                  class="white--text"
                  v-on="on"
                  @click:close="closeChip(item)"
                >
                  <v-icon left>mdi-coin</v-icon>
                  <span v-text="item.name"></span>
                </v-chip>
              </template>
              <template v-slot:item="{ item }">
                <v-list-item-avatar
                  color="indigo"
                  class="headline font-weight-light white--text"
                >
                  {{ item.name.charAt(0) }}
                </v-list-item-avatar>
                <v-list-item-content>
                  <v-list-item-title v-text="item.name"></v-list-item-title>
                  <v-list-item-subtitle v-text="item.symbol"></v-list-item-subtitle>
                </v-list-item-content>
                <v-list-item-action>
                  <v-icon>mdi-coin</v-icon>
                </v-list-item-action>
              </template>
            </v-autocomplete>
          </v-col>
        </v-row>
      </v-container>
    </v-content>
  </v-app>
</div>

<script src="https://cdn.jsdelivr.net/npm/vue@2.x/dist/vue.js"></script>
<script src="https://cdn.jsdelivr.net/npm/vuetify@2.x/dist/vuetify.js"></script>