Updated websocket transport

Author: Josema

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dop",
-  "version": "0.22.2",
+  "version": "0.22.3",
   "main": "./dist/dop.nodejs.js",
   "browser": "./dist/dop.js",
   "unpkg": "./dist/dop.min.js",

src/api/isObjectRegistrable.js

@@ -1,6 +1,6 @@
 
 dop.isObjectRegistrable = function(object) {
-    if (!object || typeof object !== "object") return false;
+    if (object === null || typeof object !== "object") return false;
     var prototype = Object.getPrototypeOf(object);
     return prototype === Object.prototype || prototype === Array.prototype;
 };

src/env/browser/websocket.js

@@ -6,7 +6,7 @@ function websocket(dop, node, options) {
 
     if (typeof options.url == 'string')
         url = options.url.replace('http','ws');
-    else if (typeof window!='undefined' && /http/.test(window.location.href)) {
+    else if (typeof window!='undefined' && typeof window.location!='undefined' && /http/.test(window.location.href)) {
         var domain_prefix = /(ss|ps)?:\/\/([^\/]+)\/?(.+)?/.exec(window.location.href),
             protocol = domain_prefix[1] ? 'wss' : 'ws';
         url = protocol+'://'+domain_prefix[2].toLocaleLowerCase()+'/'+dop.name;