<div id="app">
  <renderless-tags-input v-model="tags">
      <div slot-scope="{ tags, addTag, removeTag, inputAttrs, inputEvents }" class="p-4 rounded border bg-white">
        <div class="flex">
          <input class="text-input flex-1 mr-2" placeholder="New tag" v-on="inputEvents" v-bind="inputAttrs">
          <button type="button" class="btn btn-primary" @click="addTag">Add</button>
        </div>

        <ul v-show="tags.length > 0" class="mt-4 pl-6">
          <li v-for="tag in tags" class="mb-2">
            <span class="mr-2">{{ tag }}</span>
            <button class="text-grey-dark hover:text-grey-darkest underline text-sm" @click="removeTag(tag)">Remove</button>
          </li>
        </ul>
      </div>
    </renderless-tags-input>
</div>

@import url('https://fonts.googleapis.com/css?family=Lato|Roboto:700');

body {
  margin: 0;
  padding: 0;
  background-color: #777;
  background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAICAQAAABuBnYAAAAAU0lEQVQIHQXBwRGDIBAAwO2/AMcCDHAcPjIRxjJ8Je1kl1uqUgphsWu6w0sIG6npLpcUBql4e/wsVRKabrkNTacIYbMrwsF06rqUhsnXVKVT+Hj+Ue4rPSONk4kAAAAASUVORK5CYII=);
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  color: #fff;
  font-family: 'Lato', sans-serif;
  line-height: 1.4;
}

#app {
  display: flex;
  justify-content: center;
  align-items: center;
}
.tags-input {
  display: flex;
  flex-wrap: wrap;
  background-color: #fff;
  border-width: 1px;
  border-radius: .25rem;
  padding-left: .5rem;
  padding-right: 1rem;
  padding-top: .5rem;
  padding-bottom: .25rem;
}

.tags-input-tag {
  display: inline-flex;
  line-height: 1;
  align-items: center;
  font-size: .875rem;
  background-color: #bcdefa;
  color: #1c3d5a;
  border-radius: .25rem;
  user-select: none;
  padding: .25rem;
  margin-right: .5rem;
  margin-bottom: .25rem;
}

.tags-input-tag:last-of-type {
  margin-right: 0;
}

.tags-input-remove {
  color: #2779bd;
  font-size: 1.125rem;
  line-height: 1;
}

.tags-input-remove:first-child {
  margin-right: .25rem;
}

.tags-input-remove:last-child {
  margin-left: .25rem;
}

.tags-input-remove:focus {
  outline: 0;
}

.tags-input-text {
  flex: 1;
  outline: 0;
  padding-top: .25rem;
  padding-bottom: .25rem;
  margin-left: .5rem;
  margin-bottom: .25rem;
  min-width: 10rem;
}

.text-input {
  background-color: #fff;
  border-width: 1px;
  border-radius: .25rem;
  padding-left: 1rem;
  padding-right: 1rem;
  padding-top: .5rem;
  padding-bottom: .5rem;
  width: 100%;
}

.text-input:focus {
  outline: 0;
}

.btn {
  font-weight: 600;
  border-radius: .25rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  padding-top: .5rem;
  padding-bottom: .5rem;
}

.btn-primary {
  color: #fff;
  background-color: #6574cd;
}

.btn-primary:hover {
  background-color: #7886d7;
}

.py-16 {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
ul {
  margin: 0;
  padding: 0;
  color: #333;
}
.mr-2 {
  color: #333
}

// Renderless Tags Input Component
Vue.component('renderless-tags-input', {
  props: ['value'],
  data () {
      return {
          newTag: ''
      }
  },
  methods: {
      removeTag: function (tag) {
          this.$emit('input', this.value.filter(t => t !== tag))
      },
      addTag: function () {
          if (this.newTag.trim().length === 0 || this.value.includes(this.newTag.trim())) {
              return
          }
          this.$emit('input', [...this.value, this.newTag.trim()])
          this.newTag = ''
      }
  },
  render () {
    return this.$scopedSlots.default({
      tags: this.value,
      removeTag: this.removeTag,
      inputAttrs: {
          value: this.newTag
      },
      inputEvents: {
          input: (e) => { this.newTag = e.target.value },
          keydown: (e) => {
              if (e.keyCode === 13) {
                e.preventDefault()
                this.addTag()
              }
          }
      },
      addTag: this.addTag
    })
  }
})

let app = new Vue({
  el:'#app',
  data () {
    return {
      tags: ['Testing', 'Design']
    }
  }
  
})