Implement Shopify Provider

framework/shopify/cart/utils/checkout-to-cart.ts

@@ -0,0 +1,57 @@
+import { Cart } from '@commerce/types'
+import { CommerceError, ValidationError } from '@commerce/utils/errors'
+import { Checkout, CheckoutLineItemEdge, Maybe } from '@framework/schema'
+
+const checkoutToCart = (checkoutResponse?: any): Maybe<Cart> => {
+  if (!checkoutResponse) {
+    throw new CommerceError({
+      message: 'Missing checkout details from response cart Response',
+    })
+  }
+
+  const {
+    checkout,
+    userErrors,
+  }: { checkout?: Checkout; userErrors?: any[] } = checkoutResponse
+
+  if (userErrors && userErrors.length) {
+    throw new ValidationError({
+      message: userErrors[0].message,
+    })
+  }
+
+  if (!checkout) {
+    throw new ValidationError({
+      message: 'Missing checkout details from response cart Response',
+    })
+  }
+
+  return {
+    ...checkout,
+    currency: { code: checkout.currencyCode },
+    lineItems: checkout.lineItems?.edges.map(
+      ({
+        node: { id, title: name, quantity, variant },
+      }: CheckoutLineItemEdge) => ({
+        id,
+        checkoutUrl: checkout.webUrl,
+        variantId: variant?.id,
+        productId: id,
+        name,
+        quantity,
+        discounts: [],
+        path: '',
+        variant: {
+          id: variant?.id,
+          image: {
+            url: variant?.image?.src,
+            altText: variant?.title,
+          },
+          price: variant?.price,
+        },
+      })
+    ),
+  }
+}
+
+export default checkoutToCart