Immediate return if not decoded.

jaredhanson · jaredhanson · commit 851bda2b1016 · 2015-05-15T11:48:10.000-07:00
diff --git a/index.js b/index.js
@@ -6,7 +6,8 @@ var TokenExpiredError = module.exports.TokenExpiredError = require('./lib/TokenE
 module.exports.decode = function (jwt, options) {
   options = options || {};
   var decoded = jws.decode(jwt, options);
-  var payload = decoded && decoded.payload;
+  if (!decoded) { return null; }
+  var payload = decoded.payload;
 
   //try parse the payload
   if(typeof payload === 'string') {
