From 4cfb34b7022ca4a784254ae6cf8c74e05470a967 Mon Sep 17 00:00:00 2001
From: laco0416 <laco0416@gmail.com>
Date: Tue, 30 Jun 2015 16:48:58 +0900
Subject: [PATCH] Add custom element constructor definition

---
 webcomponents.js/webcomponents.js-tests.ts | 4 +++-
 webcomponents.js/webcomponents.js.d.ts     | 6 +++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/webcomponents.js/webcomponents.js-tests.ts b/webcomponents.js/webcomponents.js-tests.ts
index 316f9dd8e..e9c899090 100644
--- a/webcomponents.js/webcomponents.js-tests.ts
+++ b/webcomponents.js/webcomponents.js-tests.ts
@@ -10,10 +10,12 @@ var fooProto = Object.create(HTMLElement.prototype, {
     }
 });
 
-document.registerElement("x-foo", {
+var XFoo = document.registerElement("x-foo", {
     prototype: fooProto
 });
 
+var xFoo = new XFoo();
+
 window.CustomElements.hasNative;
 window.CustomElements.flags;
 window.CustomElements.ready;
diff --git a/webcomponents.js/webcomponents.js.d.ts b/webcomponents.js/webcomponents.js.d.ts
index 43e85373f..ba55ea573 100644
--- a/webcomponents.js/webcomponents.js.d.ts
+++ b/webcomponents.js/webcomponents.js.d.ts
@@ -10,6 +10,10 @@ declare module webcomponents {
         extends?: string;
     }
 
+    export interface CustomElementConstructor {
+        new():HTMLElement;
+    }
+
     export interface CustomElementsPolyfill {
         hasNative: boolean;
         flags: any;
@@ -38,7 +42,7 @@ declare module "webcomponents.js" {
 }
 
 interface Document {
-    registerElement(name: string, prototype: webcomponents.CustomElementInit): void;
+    registerElement(name: string, prototype: webcomponents.CustomElementInit): webcomponents.CustomElementConstructor;
 }
 
 interface Window {