refactor: cors options parameter simplified

Author: muratcorlu

src/index.js

@@ -70,23 +70,15 @@ if (program.verbose) {
   });
 }
 
-var corsOptionsDelegate = function (req, callback) {
-  var corsOptions = { 
-    origin: true, 
-    credentials: true,
-    methods: "GET,HEAD,PUT,PATCH,POST,DELETE",
-    preflightContinue: false,
-    optionsSuccessStatus: 204
-  };
-  callback(null, corsOptions);
+var corsOptions = { 
+  origin: true, 
+  credentials: true,
+  methods: "GET,HEAD,PUT,PATCH,POST,DELETE",
+  preflightContinue: false,
+  optionsSuccessStatus: 204
 };
 
-/*By default "cors()" set the Access-Control-Allow-Origin to "*" which Chrome will reject when the request was made with "credentials" flag enabled. It throws error something like:
-A wildcard '*' cannot be used in the 'Access-Control-Allow-Origin' header when the credentials flag is true. */
-
-app.use(cors(corsOptionsDelegate));
-
-//app.use(cors());
+app.use(cors(corsOptions));
 
 for (var path in config.map) {
   (function (basePath) {