SOURCE

const Home = {
	template: '<div><h1>Home</h1><router-view></router-view></div>'
}

const Foo = {
	template: '<div>foo</div>'
}

const Bar = {
	template: '<div>bar</div>'
}

const Baz = {
	template: '<div>baz</div>'
}

const router = new VueRouter({
	routes: [
		{
			path: '/home',
			component: Home,
			children: [
				{path: 'foo', component: Foo, alias: '/foo'},
				{path: 'bar', component: Bar, alias: 'bar-alias'},
				{path: 'baz', component: Baz, alias: ['/baz', 'baz-alias']}
			]
		}
	]
})

new Vue({
	router,
	el: '#app'
})

<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script src="https://unpkg.com/vue-router/dist/vue-router.js"></script>

<div id="app">
  <h1>Route Alias</h1>
  <ul>
	<li><router-link to="/foo">
	  /foo (renders /home/foo)
	</router-link></li>
	<li><router-link to="/home/bar-alias">
	  /home/bar-alias (renders /home/bar)
	</router-link></li>
	<li><router-link to="/baz">
	  /baz (renders /home/baz)</router-link>
	</li>
	<li><router-link to="/home/baz-alias">
	  /home/baz-alias (renders /home/baz)
	</router-link></li>
  </ul>
  <router-view class="view"></router-view>
</div>