vue-tippy 2.0.17 on Node.js NPM

extend callback through passing the tippy element (and vnode) to the callback #49 (@marvinhuebner)

<template>
  <button title="I'm called when a tooltip begins to show." @show="onShow" v-tippy>
    @show
  </button>
</template>

<script>
export default {
  methods: {
    onShow(el,vnode) {
      if (!el.classList.contains('is-active')) {
       el.classList.add('is-active')
      } else {
        el.classList.remove('is-active');
      }
    }
  },
};
</script>