preventing error when typeElement is undefined

Author: aterreno

lib/wsdl.js

@@ -781,8 +781,10 @@ ExtensionElement.prototype.description = function(definitions, xmlns) {
       var typeElement = schema && ( schema.complexTypes[typeName] ||
         schema.types[typeName] || schema.elements[typeName] );
 
-      var base = typeElement.description(definitions, xmlns);
-      extend(desc, base);
+      if (typeElement) {
+        var base = typeElement.description(definitions, xmlns);
+        extend(desc, base);
+      }
     }
   }
   return desc;