addon/templates/components/core/page-size.hbs
{{#if (has-block)}}
{{yield _pageSizes _pageSize (action "updatePageSize")}}
{{else}}
{{#power-select
selected=_pageSize
options=_pageSizes
onchange=(action "updatePageSize")
class="page-size-selector"
tagName="div"
as |page-size|
}}
{{page-size}}
{{/power-select}}
{{/if}}