Merge pull request #24 from mindgamesdigital/clone-props

Copy properties after cloning node

Author: JaySunSyn

iron-swiper.html

@@ -366,22 +366,25 @@
         e.preventDefault();
       }
 
+      _copyProperties(node1, node2) {
+        Object.keys(node1.constructor.properties).forEach(key => node2[key] = node1[key]);
+      }
+
       init() {
         clearTimeout(this._initializer);
         this._initializer = setTimeout(function() {
           // First clone real nodes into the wrapper
-          var _nodes = [];
-
+          const _nodes = [];
+          const excludeTagNames = ['TEMPLATE', 'DOM-REPEAT', 'DOM-IF'];
           let slides = Polymer.FlattenedNodesObserver.getFlattenedNodes(this)
             .filter(
               function(node) {
                 return node.tagName &&
-                node.tagName !== 'TEMPLATE' &&
+                excludeTagNames.indexOf(node.tagName) === -1 &&
                 !node.classList.contains('swiper-slide');
               });
 
-          var wrapper = this.$.wrapper;
-
+          const wrapper = this.$.wrapper;
           wrapper.innerHTML = '';
           wrapper.removeAttribute('style');
 
@@ -391,7 +394,8 @@
               slides[i].classList.add('swiper-no-swiping');
             }
 
-            var node = wrapper.appendChild(slides[i].cloneNode(true));
+            const node = wrapper.appendChild(slides[i].cloneNode(true));
+            this._copyProperties(slides[i], node);
             node.classList.add('swiper-slide');
             node.setAttribute('index', i.toString());
             node.removeEventListener('click', this._nodeClicked);