<script setup lang="ts">
  const handler = () => {
    window.alert('hover')
  }
</script>
<template>
  <div
    v-hover="handler"
    :style="{
      width: '200px',
      height: '200px',
      border: '1px solid #ccc'
    }"
  >
    Hover
  </div>
</template>