feat(dart/transform): Implement Html5LibDomAdapter methods.

Adding support for some additional `DomAdapter` methods necessary to run
`Complier` in the Dart transformer.

Author: Tim Blasi

modules/angular2/src/dom/browser_adapter.dart

@@ -28,8 +28,7 @@ class BrowserDomAdapter extends GenericBrowserDomAdapter {
 
   query(String selector) => document.querySelector(selector);
 
-  Element querySelector(el, String selector) =>
-      el.querySelector(selector);
+  Element querySelector(el, String selector) => el.querySelector(selector);
 
   ElementList querySelectorAll(el, String selector) =>
       el.querySelectorAll(selector);
@@ -44,8 +43,7 @@ class BrowserDomAdapter extends GenericBrowserDomAdapter {
   }
   MouseEvent createMouseEvent(String eventType) =>
       new MouseEvent(eventType, canBubble: true);
-  createEvent(eventType) =>
-    new Event(eventType, canBubble: true);
+  createEvent(eventType) => new Event(eventType, canBubble: true);
   String getInnerHTML(Element el) => el.innerHtml;
   String getOuterHTML(Element el) => el.outerHtml;
   void setInnerHTML(Element el, String value) {
@@ -134,19 +132,19 @@ class BrowserDomAdapter extends GenericBrowserDomAdapter {
     element.classes.add(classname);
   }
   void removeClass(Element element, String classname) {
-      element.classes.remove(classname);
+    element.classes.remove(classname);
   }
   bool hasClass(Element element, String classname) =>
       element.classes.contains(classname);
 
   setStyle(Element element, String stylename, String stylevalue) {
-      element.style.setProperty(stylename, stylevalue);
+    element.style.setProperty(stylename, stylevalue);
   }
   removeStyle(Element element, String stylename) {
-      element.style.removeProperty(stylename);
+    element.style.removeProperty(stylename);
   }
   getStyle(Element element, String stylename) {
-      return element.style.getPropertyValue(stylename);
+    return element.style.getPropertyValue(stylename);
   }
 
   String tagName(Element element) => element.tagName;
@@ -163,13 +161,12 @@ class BrowserDomAdapter extends GenericBrowserDomAdapter {
   }
 
   void removeAttribute(Element element, String name) {
-      //there is no removeAttribute method as of now in Dart:
-      //https://code.google.com/p/dart/issues/detail?id=19934
-      element.attributes.remove(name);
+    //there is no removeAttribute method as of now in Dart:
+    //https://code.google.com/p/dart/issues/detail?id=19934
+    element.attributes.remove(name);
   }
 
-  Node templateAwareRoot(Element el) =>
-      el is TemplateElement ? el.content : el;
+  Node templateAwareRoot(Element el) => el is TemplateElement ? el.content : el;
 
   HtmlDocument createHtmlDocument() =>
       document.implementation.createHtmlDocument('fakeTitle');
@@ -181,13 +178,10 @@ class BrowserDomAdapter extends GenericBrowserDomAdapter {
   }
   bool elementMatches(n, String selector) =>
       n is Element && n.matches(selector);
-  bool isTemplateElement(Element el) =>
-      el is TemplateElement;
-  bool isTextNode(Node node) =>
-      node.nodeType == Node.TEXT_NODE;
+  bool isTemplateElement(Element el) => el is TemplateElement;
+  bool isTextNode(Node node) => node.nodeType == Node.TEXT_NODE;
   bool isCommentNode(Node node) => node.nodeType == Node.COMMENT_NODE;
-  bool isElementNode(Node node) =>
-      node.nodeType == Node.ELEMENT_NODE;
+  bool isElementNode(Node node) => node.nodeType == Node.ELEMENT_NODE;
   bool hasShadowRoot(Node node) {
     return node is Element && node.shadowRoot != null;
   }

modules/angular2/src/dom/html5lib_adapter.dart

@@ -40,19 +40,15 @@ class Html5LibDomAdapter implements DomAdapter {
   String nodeName(node) {
     throw 'not implemented';
   }
-  String nodeValue(node) {
-    throw 'not implemented';
-  }
+  String nodeValue(node) => node.data;
   String type(node) {
     throw 'not implemented';
   }
   content(TemplateElement node) {
     throw 'not implemented';
   }
 
-  firstChild(el) => el is NodeList
-    ? el.first
-    : el.firstChild;
+  firstChild(el) => el is NodeList ? el.first : el.firstChild;
 
   nextSibling(el) {
     final parentNode = el.parentNode;
@@ -68,12 +64,8 @@ class Html5LibDomAdapter implements DomAdapter {
   parentElement(el) {
     throw 'not implemented';
   }
-  List childNodes(el) {
-    throw 'not implemented';
-  }
-  List childNodesAsList(el) {
-    throw 'not implemented';
-  }
+  List childNodes(el) => el.nodes;
+  List childNodesAsList(el) => el.nodes;
   clearNodes(el) {
     throw 'not implemented';
   }
@@ -101,9 +93,8 @@ class Html5LibDomAdapter implements DomAdapter {
   getText(el) {
     throw 'not implemented';
   }
-  setText(el, String value) {
-    throw 'not implemented';
-  }
+  setText(el, String value) => el.text = value;
+
   getValue(el) {
     throw 'not implemented';
   }
@@ -116,10 +107,7 @@ class Html5LibDomAdapter implements DomAdapter {
   setChecked(el, bool value) {
     throw 'not implemented';
   }
-  createTemplate(html) {
-    return createElement('template')
-      ..innerHtml = html;
-  }
+  createTemplate(html) => createElement('template')..innerHtml = html;
   createElement(tagName, [doc]) {
     return new Element.tag(tagName);
   }
@@ -154,8 +142,7 @@ class Html5LibDomAdapter implements DomAdapter {
     throw 'not implemented';
   }
 
-  hasClass(element, String classname) =>
-    element.classes.contains(classname);
+  hasClass(element, String classname) => element.classes.contains(classname);
 
   setStyle(element, String stylename, String stylevalue) {
     throw 'not implemented';
@@ -169,7 +156,14 @@ class Html5LibDomAdapter implements DomAdapter {
 
   String tagName(element) => element.localName;
 
-  attributeMap(element) => element.attributes;
+  attributeMap(element) {
+    // `attributes` keys can be [AttributeName]s.
+    var map = <String, String>{};
+    element.attributes.forEach((key, value) {
+      map['$key'] = value;
+    });
+    return map;
+  }
   getAttribute(element, String attribute) {
     throw 'not implemented';
   }
@@ -180,9 +174,7 @@ class Html5LibDomAdapter implements DomAdapter {
     throw 'not implemented';
   }
 
-  templateAwareRoot(el) => isTemplateElement(el)
-    ? el.nodes
-    : el;
+  templateAwareRoot(el) => el;
 
   createHtmlDocument() {
     throw 'not implemented';
@@ -199,14 +191,10 @@ class Html5LibDomAdapter implements DomAdapter {
   bool isTemplateElement(Element el) {
     return el != null && el.localName.toLowerCase() == 'template';
   }
-  bool isTextNode(node) {
-    throw 'not implemented';
-  }
-  bool isCommentNode(node) {
-    throw 'not implemented';
-  }
+  bool isTextNode(node) => node.nodeType == Node.TEXT_NODE;
+  bool isCommentNode(node) => node.nodeType == Node.COMMENT_NODE;
 
-  bool isElementNode(node) => node is Element;
+  bool isElementNode(node) => node.nodeType == Node.ELEMENT_NODE;
 
   bool hasShadowRoot(node) {
     throw 'not implemented';