Fix for Fetch if a response is empty body

Author: Vladlukhanin

quickblox.min.js

@@ -13,7 +13,7 @@
 
 var config = {
   version: '2.8.0',
-  buildNumber: '1058',
+  buildNumber: '1059',
   creds: {
     appId: '',
     authKey: '',

src/qbConfig.js

@@ -126,18 +126,18 @@ ServiceProxy.prototype = {
                 } else {
                     return response.json();
                 }
-            })
-            .then(function(body) {
-                _requestCallback(null, qbResponse, body);
-            })
-            .catch(function(error) {
-                // TODO: find status 200 for NativeScript
-                if (typeof error === 'object' && !Object.keys(error).length) {
-                    _requestCallback(null, {status: 200}, ' ');
-                } else {
-                    _requestCallback(error);
-                }
-            });
+            }, function() {
+                // Need to research this issue, response doesn't exist if server will return empty body (status 200)
+                qbResponse = {
+                    status: 200
+                };
+
+                return ' ';
+            }).then(function(body) {
+            _requestCallback(null, qbResponse, body);
+        }, function(error) {
+            _requestCallback(error);
+        });
 
         /*
          * Private functions