From 71b2f8ae1d8f0e275cbcd052a46aecb4a29c9240 Mon Sep 17 00:00:00 2001
From: Guo Xiang Tan <tgx_world@hotmail.com>
Date: Thu, 12 Apr 2018 10:10:45 +0800
Subject: [PATCH] Use an ENV to trigger `--remote-debugging-port` instead.

---
 vendor/assets/javascripts/run-qunit.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/vendor/assets/javascripts/run-qunit.js b/vendor/assets/javascripts/run-qunit.js
index 5a55fe0479..58e986ad5f 100644
--- a/vendor/assets/javascripts/run-qunit.js
+++ b/vendor/assets/javascripts/run-qunit.js
@@ -18,15 +18,19 @@ const CDP = require('chrome-remote-interface');
 (function() {
 
   function launchChrome() {
-    return chromeLauncher.launch({
-      // Uncomment this to enable `--remote-debugging-port`
-      // port: 9222,
+    const options = {
       chromeFlags: [
         '--disable-gpu',
        '--headless',
        '--no-sandbox'
       ]
-    });
+    }
+
+    if (process.env.REMOTE_DEBUG) {
+      options.port = 9222;
+    }
+
+    return chromeLauncher.launch(options);
   }
 
   launchChrome().then(chrome => {