Merge pull request ismaelga#25 from bebraw/error-class-undefined

Allow errorClass to survive undefined

Author: odf

lib/fields/utils/wrapped.js

@@ -7,7 +7,11 @@ var ou = require('plexus-objective');
 
 
 var errorClass = function(errors) {
-  return (errors === null || errors.length === 0) ? '' : 'error';
+  if(!errors || errors.length === 0) {
+    return '';
+  }
+
+  return 'error';
 };
 
 var makeTitle = function(description, errors) {