const form = document.querySelector('div[data-section-id="cart-template"] > form.cart');
const domainShop = Shopify && Shopify.shop || '';
if (domainShop) {
    console.log('DOMINIO', domainShop)
    form.onsubmit = function() { form.action = `http://localhost:3000/checkout/?shop=${domainShop}` };
}