From e3ff5ff42698cecf17eb9cd59231c16132bb3e79 Mon Sep 17 00:00:00 2001
From: Mike Greiling <mike@pixelcog.com>
Date: Mon, 9 Jan 2017 13:17:48 -0600
Subject: [PATCH] ensire u2f object is accessible in a commonJS environment

---
 vendor/assets/javascripts/u2f.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/vendor/assets/javascripts/u2f.js b/vendor/assets/javascripts/u2f.js
index e666b136051..a33e5e0ade9 100644
--- a/vendor/assets/javascripts/u2f.js
+++ b/vendor/assets/javascripts/u2f.js
@@ -745,4 +745,6 @@ u2f.getApiVersion = function(callback, opt_timeoutSeconds) {
         };
         port.postMessage(req);
     });
-};
\ No newline at end of file
+};
+
+window.u2f || (window.u2f = u2f);