Replaced function () {} with nop

redboltz · redboltz · commit d7391a91fcdc · 2018-08-30T23:59:33.000+09:00
diff --git a/lib/client.js b/lib/client.js
@@ -954,7 +954,7 @@ default:
 for now i just suppressed the warnings
 */
 MqttClient.prototype._handlePublish = function (packet, done) {
-  done = typeof done !== 'undefined' ? done : function () {}
+  done = typeof done !== 'undefined' ? done : nop
   var topic = packet.topic.toString()
   var message = packet.payload
   var qos = packet.qos
@@ -1078,7 +1078,7 @@ MqttClient.prototype._handleAck = function (packet) {
  * @api private
  */
 MqttClient.prototype._handlePubrel = function (packet, callback) {
-  callback = typeof callback !== 'undefined' ? callback : function () {}
+  callback = typeof callback !== 'undefined' ? callback : nop
   var mid = packet.messageId
   var that = this
 
