From c15e4faa226f07b3da5dc05f4627a99326aace5a Mon Sep 17 00:00:00 2001
From: p-young <phyocean@gmail.com>
Date: Wed, 10 Jun 2020 22:23:03 -0700
Subject: [PATCH] Fix onRequest handler return type to allow promises (async)

---
 src/function-builder.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/function-builder.ts b/src/function-builder.ts
index 580e0498b..0ff075a33 100644
--- a/src/function-builder.ts
+++ b/src/function-builder.ts
@@ -157,7 +157,10 @@ export class FunctionBuilder {
        * same signature as an Express app.
        */
       onRequest: (
-        handler: (req: https.Request, resp: express.Response) => void
+        handler: (
+          req: https.Request,
+          resp: express.Response
+        ) => void | Promise<void>
       ) => https._onRequestWithOptions(handler, this.options),
       /**
        * Declares a callable method for clients to call using a Firebase SDK.