Vue.component('tag-input', {
  template: '<input type="text" v-model="editableTags">',
  props: ['value'],
  computed: {
    editableTags: {
      get () {
        return this.value.join(' ')
      },
      set (val) {
        this.$emit('input', val.split(' '))
      }
    }
  }
})