From 3df971db33bd4c05e65ea3d2eba3243195f1a6e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Luis=20Boya=20Garc=C3=ADa?= <ntrrgc@gmail.com>
Date: Fri, 1 Jul 2016 04:33:56 +0200
Subject: [PATCH] Make onCancel optional

---
 bluebird/bluebird.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bluebird/bluebird.d.ts b/bluebird/bluebird.d.ts
index fc3343ecd2..34659859cb 100644
--- a/bluebird/bluebird.d.ts
+++ b/bluebird/bluebird.d.ts
@@ -34,7 +34,7 @@ interface PromiseConstructor {
     new <T>(callback: (
         resolve: (thenableOrResult?: T | PromiseLike<T>) => void,
         reject: (error: any) => void,
-        onCancel: PromiseCancelHandlerSetter
+        onCancel?: PromiseCancelHandlerSetter
     ) => void): Promise<T>;
     
     config(options: {