Sellbase web components for any site: plain HTML, WordPress, Webflow, Vue, Svelte, Astro or Angular. Shadow DOM, themed with CSS variables, 13 KB gzipped.

<script>
  window.SellbaseConfig = {
    url: 'https://<project>.supabase.co/functions/v1/sellbase-api',
    anonKey: '<anon key>',
  };
</script>
<script type="module" src="https://unpkg.com/@sellbase/web/dist/sellbase.js"></script>

<sellbase-cart-button></sellbase-cart-button>
<sellbase-add-to-cart product="my-product-slug"></sellbase-add-to-cart>
<sellbase-cart-drawer></sellbase-cart-drawer>
<!-- on /checkout: -->
<sellbase-checkout></sellbase-checkout>
<!-- on /gracias: -->
<sellbase-checkout-return></sellbase-checkout-return>

Elements:

sellbase-add-to-cart, sellbase-price, sellbase-product-grid;
sellbase-cart-button, sellbase-cart-drawer;
sellbase-checkout (shows the consent checkbox the store requires), sellbase-checkout-return;
sellbase-order-lookup, sellbase-download.