From e898b6bea5581af4e4cf0f31e6bcfff029c88b47 Mon Sep 17 00:00:00 2001
From: Richard Maisano <rickmaisano@gmail.com>
Date: Thu, 30 Apr 2015 16:30:21 -0400
Subject: [PATCH] Check if modalElement exists in handleFocus.

A race condition happens if you open a new window before closing the modal, as opening a new window has the side effect of blurring the current window.
---
 lib/helpers/focusManager.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/helpers/focusManager.js b/lib/helpers/focusManager.js
index 38b854a2..953b66cb 100644
--- a/lib/helpers/focusManager.js
+++ b/lib/helpers/focusManager.js
@@ -10,6 +10,9 @@ function handleBlur(event) {
 function handleFocus(event) {
   if (needToFocus) {
     needToFocus = false;
+    if (!modalElement) {
+      return;
+    }
     // need to see how jQuery shims document.on('focusin') so we don't need the
     // setTimeout, firefox doesn't support focusin, if it did, we could focus
     // the the element outisde of a setTimeout. Side-effect of this