From f7f0b4adc8829e5f2eadd57d71e03259f9e05af7 Mon Sep 17 00:00:00 2001
From: vikerman <vikerman@users.noreply.github.com>
Date: Fri, 3 Jun 2016 13:55:01 -0700
Subject: [PATCH] fix(sidenav): resolve compilation errors for latest
 Typescript 1.9 (#627)

---
 src/components/sidenav/sidenav.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/sidenav/sidenav.ts b/src/components/sidenav/sidenav.ts
index db2a9dc35223..295e60486b9a 100644
--- a/src/components/sidenav/sidenav.ts
+++ b/src/components/sidenav/sidenav.ts
@@ -102,7 +102,7 @@ export class MdSidenav {
     // Shortcut it if we're already opened.
     if (isOpen === this.opened) {
       if (!this._transition) {
-        return Promise.resolve();
+        return Promise.resolve(null);
       } else {
         return isOpen ? this._openPromise : this._closePromise;
       }