アプリみたいに通知数を表示できるライブラリ「vue-notification-bell」

by kabanoki

HTML

<link rel="stylesheet" href="https://unpkg.com/bootstrap/dist/css/bootstrap.min.css">
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/NotificationBell.umd.min.js"></script>
<div id="app">
  <notification-bell
    :size="100"
    :count="list.length"
    upper-limit="50"
    counter-location="upperRight"
    counter-style="roundRectangle"
    counter-background-color="#FF0000"
    counter-text-color="#FFFFFF"
    icon-color="#000000"
    font-size="25px"
    :animated="true"
  ></notification-bell>
  <ul class="list-group">
    <li class="list-group-item" v-for="(item, index) in list" :key="index">{{'item-'+item.no}} - <button class="btn btn-danger" type="button" @click="deleteItem(index)">削除する</button></li>
  </ul>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.6.10/vue.min.js"></script>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

del {
  color: rgba(0, 0, 0, 0.3);
}

Vue

const NotificationBell = window['NotificationBell'].default;
new Vue({
  el: '#app',
  components: {
    'notification-bell':NotificationBell 
  },
  data: {
    list: [
      {no:1},
      {no:2},
      {no:3},
      {no:4},
      {no:5},
    ]
  },
  methods: {
    deleteItem: function(index){
      this.list.splice(index, 1);
    }
  }
});