Merging in latest from upstream (VISUAL/fineui:refs/heads/es6)

* commit 'fc1f2599856cede93b8df32e35b5a7ed0ef4904d':
  KERNEL-13947 refactor: base的es6化demo

src/base/1.pane.js

@@ -6,21 +6,23 @@
  * @extends BI.Widget
  * @abstract
  */
-import { shortcut } from "../core/decorator";
+import { Widget, shortcut } from "../core";
 
 @shortcut()
-export class Pane extends BI.Widget {
+export default class Pane extends Widget {
     static xtype = "bi.pane";
     static EVENT_LOADED = "EVENT_LOADED";
     static EVENT_LOADING = "EVENT_LOADING";
 
-    props = {
+    _defaultConfig() {
+        return BI.extend(super._defaultConfig(), {
             _baseCls: "bi-pane",
             tipText: BI.i18nText("BI-No_Selected_Item"),
             loadingText: "",
             loadingSize: "small",
             overlap: true,
             onLoaded: BI.emptyFn,
+        });
     }
 
     _assertTip() {
@@ -129,5 +131,3 @@ export class Pane extends BI.Widget {
         this.check();
     }
 }
-
-BI.extend(BI, { Pane });

src/base/index.js

@@ -0,0 +1,9 @@
+import Pane from "./1.pane";
+
+BI.extend(BI, {
+    Pane,
+});
+
+export {
+    Pane,
+}

src/core/index.js

@@ -1,3 +1,4 @@
+import { shortcut } from "./decorator";
 import OB from "./3.ob";
 import Widget from "./4.widget";
 import Action from "./action/action";
@@ -35,6 +36,7 @@ BI.extend(BI, {
 });
 
 export {
+    shortcut,
     OB,
     Widget,
     Action,