From ec167312e3915e2487f24708ceb67a4738ba426f Mon Sep 17 00:00:00 2001
From: Paryank Kansara <pmkansara@gmail.com>
Date: Thu, 17 Jan 2019 23:27:14 -0500
Subject: [PATCH] Set jwtToken to null instead of blank string

getUsername() and getExpiration() throws error, when AccessToken is blank. In constructor, jwtToken should be set to null to avoid this error.
---
 src/CognitoAccessToken.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/CognitoAccessToken.js b/src/CognitoAccessToken.js
index 7ca95cb..3c231d6 100755
--- a/src/CognitoAccessToken.js
+++ b/src/CognitoAccessToken.js
@@ -23,7 +23,7 @@ export default class CognitoAccessToken {
    */
   constructor(AccessToken) {
     // Assign object
-    this.jwtToken = AccessToken || '';
+    this.jwtToken = AccessToken || null;
     this.payload = this.decodePayload();
   }