Vuetify draggable v-treeview component

yarn add vuetify-draggable-treeview
// @NOTE: This component requires vue, vuetify, vuedraggable as peerDependency.
yarn add vuedraggable

import VuetifyDraggableTreeview from 'vuetify-draggable-treeview'
Vue.use(VuetifyDraggableTreeview)

// or manually import
VuetifyDraggableTreeview

export default Vue.extend({
  components: {
    VuetifyDraggableTreeview
  }
})

<template>
<v-draggable-treeview
  group="test"
  v-model="items"
></v-draggable-treeview>
</template>

<script>
export default {
  data() {
    return {
      items: [{ id: 1, name: "hoge", children: [{ id:11, name: "hoge-child1" }] }]
    }
  }
}
</script>

<template>
<v-draggable-treeview
  v-model="items"
></v-draggable-treeview>
</template>

<script>
export default {
  data() {
    return {
      items: [{ id: 1, name: "hoge", children: [{ id:11, name: "hoge-child1" }] }]
    }
  }
}
</script>

<template>
<v-draggable-treeview v-model="items" group="hoge">
  <template v-slot:prepend="{ item }">
    <v-icon>mdi-file</v-icon>
  </template>
  <template v-slot:label="{ item }">
    <span class="primary--text">{{ item.name }}</span>
  </template>
  <template v-slot:append="{ item }">
    <template
            v-if="item.children != null && item.children.length > 0"
    >
      has {{ item.children.length }} children
    </template>
  </template>
</v-draggable-treeview>
</template>

<script>
export default {
  data() {
    return {
      items: [{ id: 1, name: "hoge", children: [{ id:11, name: "hoge-child1" }] }]
    }
  }
}
</script>