test-app/app/templates/docautoscroll.hbs
<section class={{if this.isVertical 'vertical-doc-auto-scroll-demo' 'horizontal-doc-auto-scroll-demo'}}>
<ol data-test-doc-auto-scroll-demo-group {{sortable-group onChange=this.updateItems direction=this.direction}}>
{{#each @model.items as |item|}}
<li data-test-doc-auto-scroll-demo-item {{sortable-item disableCheckScrollBounds=false model=item}}>
{{item}}
</li>
{{/each}}
</ol>
</section>