The easiest to implement Vue 2 directive for Animate.css

import Vue from 'vue';
import VAnimateCss from 'v-animate-css';

Vue.use(VAnimateCss);

<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.4.4/vue.js"></script>
<script src="https://unpkg.com/v-animate-css/dist/v-animate-css.js"></script>

<script>
  Vue.use(VAnimateCss.default);
</script>