ES6: Migrate a few components over

app/assets/javascripts/discourse/components/auto-close-form.js.es6

@@ -1,5 +1,4 @@
-Discourse.AutoCloseFormComponent = Ember.Component.extend({
-
+export default Ember.Component.extend({
   autoCloseValid: false,
 
   label: function() {

app/assets/javascripts/discourse/components/basic-topic-list.js.es6

@@ -6,7 +6,7 @@
   @namespace Discourse
   @module Discourse
 **/
-Discourse.BasicTopicListComponent = Ember.Component.extend({
+export default Ember.Component.extend({
 
   loaded: function() {
     var topicList = this.get('topicList');

app/assets/javascripts/discourse/components/bread-crumbs.js.es6

@@ -6,7 +6,7 @@
   @namespace Discourse
   @module Discourse
 **/
-Discourse.BreadCrumbsComponent = Ember.Component.extend({
+export default Ember.Component.extend({
   classNames: ['category-breadcrumb'],
   tagName: 'ol',
   parentCategory: Em.computed.alias('category.parentCategory'),

app/assets/javascripts/discourse/components/category-group.js.es6

@@ -1,4 +1,19 @@
-Discourse.CategoryGroupComponent = Ember.Component.extend({
+// Compile and memoize a template
+var compiled;
+function templateFunction() {
+  compiled = compiled || Handlebars.compile("<div class='autocomplete'>" +
+                                "<ul>" +
+                                "{{#each options}}" +
+                                  "<li>" +
+                                      "{{categoryLinkRaw this allowUncategorized=true}}" +
+                                  "</li>" +
+                                  "{{/each}}" +
+                                "</ul>" +
+                              "</div>");
+  return compiled;
+}
+
+export default Ember.Component.extend({
 
   didInsertElement: function(){
     var self = this;
@@ -22,26 +37,10 @@ Discourse.CategoryGroupComponent = Ember.Component.extend({
         });
         self.set("categories", categories);
       },
-      template: Discourse.CategoryGroupComponent.templateFunction(),
+      template: templateFunction(),
       transformComplete: function(category) {
         return Discourse.HTML.categoryBadge(category, {allowUncategorized: true});
       }
     });
   }
-
-});
-
-Discourse.CategoryGroupComponent.reopenClass({
-  templateFunction: function(){
-      this.compiled = this.compiled || Handlebars.compile("<div class='autocomplete'>" +
-                                    "<ul>" +
-                                    "{{#each options}}" +
-                                      "<li>" +
-                                          "{{categoryLinkRaw this allowUncategorized=true}}" +
-                                      "</li>" +
-                                      "{{/each}}" +
-                                    "</ul>" +
-                                  "</div>");
-      return this.compiled;
-    }
 });

app/assets/javascripts/discourse/components/home-logo.js.es6

@@ -1,4 +1,4 @@
-Discourse.HomeLogoComponent = Ember.Component.extend({
+export default Ember.Component.extend({
   classNames: ["title"],
 
   linkUrl: function() {
@@ -12,5 +12,4 @@ Discourse.HomeLogoComponent = Ember.Component.extend({
   smallLogoUrl: Discourse.computed.setting('logo_small_url'),
   bigLogoUrl: Discourse.computed.setting('logo_url'),
   title: Discourse.computed.setting('title'),
-
 });