Fix api for checkout

Author: alexandrdrvn

Dreamvention/Vuefront/Module/Plugin/CorsRequestMatchPlugin.php

@@ -1,10 +1,15 @@
 <?php
+use \Magento\Framework\App\ObjectManager;
 
 class ResolverStoreCheckout extends Resolver
 {
     public function link() {
+        $objectManager =ObjectManager::getInstance();
+
+        $url = $objectManager->get('\Magento\Framework\UrlInterface');
+
         return array(
-            'link' => WC()->cart->get_checkout_url()
+            'link' => $url->getUrl('checkout')
         );
     }
 }