Render

ionic/util/render.js

@@ -0,0 +1,25 @@
+/*
+import {RenderedElement} from 'ionic/util/render/element';
+
+export class DomRenderedElement extends RenderedElement {
+  constructor(domElement: Element) {
+    super(domElement)
+  }
+  addClass(className) {
+    this.element.classList.add(classList);
+  }
+  removeClass(className) {
+    this.element.classList.remove(classList);
+  }
+  addClasses(classes) {
+    for(let c of classes) {
+      this.element.classList.add(c);
+    }
+  }
+  removeClasses(classes) {
+    for(let c of classes) {
+      this.element.classList.remove(c);
+    }
+  }
+}
+*/

ionic/util/render/element.js

@@ -0,0 +1,14 @@
+/*
+class RenderedElement {
+  constructor(element) {
+    this.element = element;
+  }
+  _notImplemented(fnName) {
+    console.error("RenderedElement." + fnName + "addClass is not implemented. Use a concrete class like DomRenderedElement instead.");
+  }
+  addClass(className)       { this._notImplemented('addClass'); }
+  removeClass(className)    { this._notImplemented('removeClass'); }
+  addClasses(className)     { this._notImplemented('addClasses'); }
+  removeClasses(className)  { this._notImplemented('removeClasses'); }
+}
+*/