Moved the fetcher to its own file

framework/bigcommerce/provider.ts

@@ -0,0 +1,17 @@
+import { handler as useCart } from './cart/use-cart'
+import { handler as useWishlist } from './wishlist/use-wishlist'
+import { handler as useCustomer } from './customer/use-customer'
+import { handler as useSearch } from './product/use-search'
+import fetcher from './fetcher'
+
+export const bigcommerceProvider = {
+  locale: 'en-us',
+  cartCookie: 'bc_cartId',
+  fetcher,
+  cart: { useCart },
+  wishlist: { useWishlist },
+  customer: { useCustomer },
+  products: { useSearch },
+}
+
+export type BigcommerceProvider = typeof bigcommerceProvider