From 0da73e1b23dda015292ceebea98b911070373948 Mon Sep 17 00:00:00 2001
From: BuildTools <FranklinWhale@users.noreply.github.com>
Date: Fri, 6 Jan 2017 20:56:30 +0800
Subject: [PATCH] Improve appendChild

---
 baselines/dom.generated.d.ts    | 2 +-
 inputfiles/overridingTypes.json | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 6ef03df83..d209e37cc 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -7754,7 +7754,7 @@ interface Node extends EventTarget {
     readonly parentNode: Node | null;
     readonly previousSibling: Node | null;
     textContent: string | null;
-    appendChild(newChild: Node): Node;
+    appendChild<T extends Node>(newChild: T): T;
     cloneNode(deep?: boolean): Node;
     compareDocumentPosition(other: Node): number;
     contains(child: Node): boolean;
diff --git a/inputfiles/overridingTypes.json b/inputfiles/overridingTypes.json
index afc098f28..186a3cde4 100644
--- a/inputfiles/overridingTypes.json
+++ b/inputfiles/overridingTypes.json
@@ -16,6 +16,12 @@
         "name": "insertBefore",
         "signatures": ["insertBefore(newChild: Node, refChild: Node | null): Node"]
     },
+    {
+        "kind": "method",
+        "interface": "Node",
+        "name": "appendChild",
+        "signatures": ["appendChild<T extends Node>(newChild: T): T"]
+    },
     {
         "kind": "method",
         "interface": "HTMLCollection",