Pull request #1436: 无JIRA任务 在注册的组件上加上xtype, 方便外部直接获取xtype

Merge in VISUAL/fineui from ~FAY/fineui:master to master

* commit '95cdb4e9e3f875633154bc42fa7121b5fb1898b1':
  无JIRA任务 在注册的组件上加上xtype

src/core/shortcut.js

@@ -4,6 +4,9 @@
         if (kv[xtype] != null) {
             _global.console && console.error("shortcut:[" + xtype + "] has been registed");
         }
+        if (cls) {
+            cls["xtype"] = xtype;
+        }
         kv[xtype] = cls;
     };
 

typescript/index.ts

@@ -48,6 +48,7 @@ type ClassConstructor<T extends {}> = T & {
     new(config: any): T;
     (config: any): T;
     readonly prototype: T;
+    readonly xtype: string;
 }
 
 export interface BI extends _func, _i18n, _base, _inject {