chore(jqLite): expose the _data lookup function to angular.element

Author: matsko

src/jqLite.js

@@ -107,6 +107,14 @@ var jqCache = JQLite.cache = {},
       ? function(element, type, fn) {element.removeEventListener(type, fn, false); }
       : function(element, type, fn) {element.detachEvent('on' + type, fn); });
 
+/*
+ * !!! This is an undocumented "private" function !!!
+ */
+var jqData = JQLite._data = function(node) {
+  //jQuery always returns an object on cache miss
+  return this.cache[node[this.expando]] || {};
+};
+
 function jqNextId() { return ++jqId; }
 
 

test/jqLiteSpec.js

@@ -97,6 +97,23 @@ describe('jqLite', function() {
     });
   });
 
+  describe('_data', function() {
+    it('should provide access to the data present on the element', function() {
+      var element = jqLite('<i>foo</i>');
+      var data = ['value'];
+      element.data('val', data);
+      expect(angular.element._data(element[0]).data.val).toBe(data);
+      dealoc(element);
+    });
+
+    it('should provide access to the events present on the element', function() {
+      var element = jqLite('<i>foo</i>');
+      expect(angular.element._data(element[0]).events).toBeUndefined();
+
+      element.on('click', function() { });
+      expect(angular.element._data(element[0]).events.click).toBeDefined();
+    });
+  });
 
   describe('inheritedData', function() {