From ef3504ba08c5a0abd315086e07671dabe723a048 Mon Sep 17 00:00:00 2001
From: Tomoaki Abe <abe@enzou.tokyo>
Date: Thu, 10 Dec 2020 00:58:22 +0900
Subject: [PATCH] use starsWith instead of indexOf (#545)

It is better to use startsWith.
---
 lib/main.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/main.js b/lib/main.js
index 383b9dfd..c17baf2e 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -693,7 +693,7 @@ they may not work as expected in the Lambda environment.
   }
 
   _getStartingPosition (eventSource) {
-    if (eventSource.EventSourceArn.indexOf('arn:aws:sqs:') === 0) {
+    if (eventSource.EventSourceArn.startsWith('arn:aws:sqs:')) {
       return null
     }
     return eventSource.StartingPosition ? eventSource.StartingPosition : 'LATEST'