From 8f66f7339e23c122e3abdcf1ff2075ed0dfbc76f Mon Sep 17 00:00:00 2001
From: Andrey Lushnikov <aslushnikov@gmail.com>
Date: Mon, 28 Aug 2017 14:59:41 -0700
Subject: [PATCH] Fix launcher in case of empty arguments (#582)

The regression was introduced in
d5327e6a0fd384cd36bfd0b4a12b27ab362543a7
---
 lib/Launcher.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Launcher.js b/lib/Launcher.js
index 49f5e706..feac7173 100644
--- a/lib/Launcher.js
+++ b/lib/Launcher.js
@@ -55,7 +55,7 @@ class Launcher {
     options = options || {};
     let temporaryUserDataDir = null;
     const chromeArguments = [].concat(DEFAULT_ARGS);
-    if (!options.args.some(arg => arg.startsWith('--user-data-dir'))) {
+    if (!options.args || !options.args.some(arg => arg.startsWith('--user-data-dir'))) {
       if (!options.userDataDir)
         temporaryUserDataDir = fs.mkdtempSync(CHROME_PROFILE_PATH);