The custom category template that a JS custom pageClass module can use to retrieve the category page context and mount a frontend app.

react-demo.html

---
category:
    shop_by_price: true
    products:
        limit: {{theme_settings.categorypage_products_per_page}}
---
{{inject "categoryProductsPerPage" theme_settings.categorypage_products_per_page}}
{{#partial "head"}}
    {{#if pagination.category.previous}}
        <link rel="prev" href="{{pagination.category.previous}}">
    {{/if}}
    {{#if pagination.category.next}}
        <link rel="next" href="{{pagination.category.next}}">
    {{/if}}
{{/partial}}
 
{{#partial "page"}}
    {{inject "category" category}}
    <div id="root">Hello World!</div>
{{/partial}}
{{> layout/base}}