From 38d639a5d0b0b6d679a17dbafbed386aad6232df Mon Sep 17 00:00:00 2001
From: Mark Bjerke <markb@iship.com>
Date: Sat, 2 Sep 2017 05:12:26 -0700
Subject: [PATCH] [fix] Use explicit require of wsEngine (#523)

Because WebPack does not support variables in require statements.

Closes #522
---
 lib/server.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/server.js b/lib/server.js
index 57886b596..f41d59eab 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -104,7 +104,11 @@ Server.prototype.init = function () {
 
   var wsModule;
   try {
-    wsModule = require(this.wsEngine);
+    switch (this.wsEngine) {
+      case 'uws': wsModule = require('uws'); break;
+      case 'ws': wsModule = require('ws'); break;
+      default: throw new Error('unknown wsEngine');
+    }
   } catch (ex) {
     this.wsEngine = 'ws';
     // keep require('ws') as separate expression for packers (browserify, etc)