building a tree of all presentaion elements

core/js/Node.js

@@ -0,0 +1,31 @@
+define(function(require) {
+    var $ = require('jquery'),
+        options = require('options'),
+        selector = options.stepSelectors.join(",")
+
+
+    var result = function Node(elem) {
+        elem = this.elem = $(elem);
+        this.children = []
+
+        elem.attr('visited', "true")
+        var self = this,
+            elems = $(elem).find(selector)
+
+
+        elems.each(function(_, elem) {
+            if(!elem.getAttribute('visited')) {
+                self.children.push(new Node(elem))
+            }
+        })
+
+    }   
+
+    result.prototype = {
+
+    }
+
+    result.prototype.constructor = result
+
+    return result;
+})