Added initial version of useAddItem

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

@@ -1,12 +1,12 @@
 import { Cart } from '@commerce/types'
-import { CommerceError, ValidationError } from '@commerce/utils/errors'
+import { ValidationError } from '@commerce/utils/errors'
 import { normalizeCart } from '@framework/utils/normalize'
-import { Checkout, Maybe, UserError } from '@framework/schema'
+import { Checkout, UserError } from '@framework/schema'
 
-const checkoutToCart = (checkoutResponse?: {
+const checkoutToCart = (checkoutResponse: {
   checkout: Checkout
   userErrors?: UserError[]
-}): Maybe<Cart> => {
+}): Cart => {
   const checkout = checkoutResponse?.checkout
   const userErrors = checkoutResponse?.userErrors
 
@@ -16,12 +16,6 @@ const checkoutToCart = (checkoutResponse?: {
     })
   }
 
-  if (!checkout) {
-    throw new CommerceError({
-      message: 'Missing checkout details from response cart Response',
-    })
-  }
-
   return normalizeCart(checkout)
 }
 

framework/shopify/cart/utils/fetcher.ts

@@ -5,22 +5,22 @@ import { FetchCartInput } from '@commerce/cart/use-cart'
 
 const fetcher: HookFetcherFn<Cart | null, FetchCartInput> = async ({
   options,
-  input: { cartId },
+  input: { cartId: checkoutId },
   fetch,
 }) => {
   let checkout
 
-  if (cartId) {
+  if (checkoutId) {
     const data = await fetch({
       ...options,
       variables: {
-        cartId,
+        checkoutId,
       },
     })
     checkout = data?.node
   }
 
-  if (checkout?.completedAt || !cartId) {
+  if (checkout?.completedAt || !checkoutId) {
     checkout = await checkoutCreate(fetch)
   }