Added framework folder

framework/bigcommerce/api/utils/get-cart-cookie.ts

@@ -0,0 +1,20 @@
+import { serialize, CookieSerializeOptions } from 'cookie'
+
+export default function getCartCookie(
+  name: string,
+  cartId?: string,
+  maxAge?: number
+) {
+  const options: CookieSerializeOptions =
+    cartId && maxAge
+      ? {
+          maxAge,
+          expires: new Date(Date.now() + maxAge * 1000),
+          secure: process.env.NODE_ENV === 'production',
+          path: '/',
+          sameSite: 'lax',
+        }
+      : { maxAge: -1, path: '/' } // Removes the cookie
+
+  return serialize(name, cartId || '', options)
+}