From 45903f228a103e019f313ec83748d6692c4d0c4e Mon Sep 17 00:00:00 2001
From: Grand <sungg12138@163.com>
Date: Fri, 27 Apr 2018 23:48:51 +0800
Subject: [PATCH] chore: Using "listenerCount" instead of "listeners" (#1184)

---
 lib/application.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/application.js b/lib/application.js
index 5e09e8a..a9b76fb 100644
--- a/lib/application.js
+++ b/lib/application.js
@@ -125,7 +125,7 @@ module.exports = class Application extends Emitter {
   callback() {
     const fn = compose(this.middleware);
 
-    if (!this.listeners('error').length) this.on('error', this.onerror);
+    if (!this.listenerCount('error')) this.on('error', this.onerror);
 
     const handleRequest = (req, res) => {
       const ctx = this.createContext(req, res);