fix

assets/support/support.js

@@ -1,6 +1,8 @@
 /** @module support */
 __PluginManager__.register('support', function(module, exports, require, global){
 
+    window.pre = console.log;
+
     var node = {
         isRelate: function (node, container = document) {
             return node === container || container.contains(node);