Javascript snippet for loading a cart in a BigCommerce Stencil environment

get-a-cart-async.js

const storefrontCartUrl = "https://peters-everything-store.mybigcommerce.com/api/storefront/carts"
const getCart = async (url) => {
    try {
        const response = await fetch(url, {
          "method": "GET",
          "headers": {
            "Content-Type": "application/json"
        }});
        const json = await response.json();
        return json;
    } catch (err) {
        console.log(err);
    }
}
const cart = await getCart(storefrontCartUrl)
console.log(cart)