AsideMenuItem

<aside-menu-item
  v-for="(item, index) in menu"
  :key="index"
  :item="item"
  @menu-click="menuClick"
/>

export default {
  name: 'App',
  data() {
    return {
      menu: [
        {
          to: '/submenu1',
          label: 'Submenu1',
          icon: 'icon1',
        },
        {
          to: '/submenu2',
          label: 'Submenu2',
          icon: 'icon2',
        },
        {
          to: '/submenu3,
          label: 'Submenu3',
          icon: 'icon3',
        }
      ]
    }
  },
  methods: {
    menuClick(item) {
      this.$emit("menu-click", item);
    }
  }
}