From 5cc9af5b310ecad0e12d80ea63d8657fd9a7f2cf Mon Sep 17 00:00:00 2001
From: "Albert R. Timashev" <695076+timashev@users.noreply.github.com>
Date: Wed, 30 Jan 2019 23:23:52 +0530
Subject: [PATCH] fix(Modal): fix exception in focus management (#1382)

* Fixes 'TypeError: t[(n - 1)] is undefined at [...].handleTab' JavaScript exception
---
 src/Modal.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Modal.js b/src/Modal.js
index 62aacbb57..01f5e9020 100644
--- a/src/Modal.js
+++ b/src/Modal.js
@@ -214,6 +214,7 @@ class Modal extends React.Component {
 
     const focusableChildren = this.getFocusableChildren();
     const totalFocusable = focusableChildren.length;
+    if (totalFocusable === 0) return;
     const currentFocus = this.getFocusedChild();
 
     let focusedIndex = 0;