From 66990f9bb57ceef4019c65b150f034dde1352d76 Mon Sep 17 00:00:00 2001
From: Eric Byers <ebyers@markettrack.com>
Date: Thu, 14 Sep 2017 22:34:55 -0500
Subject: [PATCH 1/2] Adding type for the function instead of just Function

---
 types/sqs-consumer/index.d.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/types/sqs-consumer/index.d.ts b/types/sqs-consumer/index.d.ts
index e567eb0211..e1d7b0168c 100644
--- a/types/sqs-consumer/index.d.ts
+++ b/types/sqs-consumer/index.d.ts
@@ -6,9 +6,11 @@
 /// <reference types="node" />
 import { SQS } from "aws-sdk";
 
+export type ConsumerDone = (error?: Error) => void;
+
 export interface Options {
   queueUrl: string;
-  handleMessage(message: SQS.Message, done: Function): any;
+  handleMessage(message: SQS.Message, done: ConsumerDone): any;
   region?: string;
   attributeNames?: string[];
   messageAttributeNames?: string[];

From be2744e234f5644a71a024960a2c2f9d5a87a6d9 Mon Sep 17 00:00:00 2001
From: Eric Byers <ebyers@markettrack.com>
Date: Thu, 14 Sep 2017 22:54:49 -0500
Subject: [PATCH 2/2] Adding a test

---
 types/sqs-consumer/index.d.ts            |  2 +-
 types/sqs-consumer/sqs-consumer-tests.ts | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/types/sqs-consumer/index.d.ts b/types/sqs-consumer/index.d.ts
index e1d7b0168c..dfc61f3933 100644
--- a/types/sqs-consumer/index.d.ts
+++ b/types/sqs-consumer/index.d.ts
@@ -1,6 +1,6 @@
 // Type definitions for sqs-consumer 3.5
 // Project: https://github.com/BBC/sqs-consumer
-// Definitions by: Daniel Chao <http://dchao.co/>
+// Definitions by: Daniel Chao <http://dchao.co/>, Eric Byers <http://www.github.com/EricByers>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /// <reference types="node" />
diff --git a/types/sqs-consumer/sqs-consumer-tests.ts b/types/sqs-consumer/sqs-consumer-tests.ts
index 7b7ba94530..b76c5116ba 100644
--- a/types/sqs-consumer/sqs-consumer-tests.ts
+++ b/types/sqs-consumer/sqs-consumer-tests.ts
@@ -1,4 +1,5 @@
 import * as Consumer from "sqs-consumer";
+import { SQS } from "aws-sdk";
 
 const app = Consumer.create({
   queueUrl: 'https://sqs.eu-west-1.amazonaws.com/account-id/queue-name',
@@ -19,6 +20,16 @@ const app2 = Consumer.create({
   waitTimeSeconds: 50
 });
 
+// Test message handler.
+const handleMessage = (message: SQS.Message, done: Consumer.ConsumerDone) => {
+	done();
+};
+
+const app3 = Consumer.create({
+	queueUrl: 'https://sqs.eu-west-1.amazonaws.com/account-id/queue-name',
+	handleMessage
+});
+
 app.on('error', (err: any) => {
   console.log(err.message);
 });