From f083a225033e3ef0b1781ee61a30c14b4bc30918 Mon Sep 17 00:00:00 2001
From: 2kjiejie <821208217@qq.com>
Date: Tue, 27 Jul 2021 15:37:37 +0800
Subject: [PATCH] refactor: using indexOf instead of a loop

---
 lib/portfinder.js | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/lib/portfinder.js b/lib/portfinder.js
index a604876..c2ffcf1 100644
--- a/lib/portfinder.js
+++ b/lib/portfinder.js
@@ -126,19 +126,9 @@ exports.getPort = function (options, callback) {
   }
 
   if (options.host) {
-
-    var hasUserGivenHost;
-    for (var i = 0; i < exports._defaultHosts.length; i++) {
-      if (exports._defaultHosts[i] === options.host) {
-        hasUserGivenHost = true;
-        break;
-      }
+    if (exports._defaultHosts.indexOf(options.host) !== -1) {
+      exports._defaultHosts.push(options.host)
     }
-
-    if (!hasUserGivenHost) {
-      exports._defaultHosts.push(options.host);
-    }
-
   }
 
   var openPorts = [], currentHost;