pinafore/routes/_components/Layout.html

<:Window bind:online />
<Nav :page />

<div class="container">
  <main>
    <slot></slot>
  </main>
</div>
<script>
	import Nav from './Nav.html';
  import { store } from '../_store/store'

	export default {
	  oncreate() {
	    this.observe('online', online => {
	      this.store.set({online: online})
      })
    },
		components: {
			Nav
		},
    store: () => store
	}
</script>