From 10adc97ca7f79cf5a468fc3a69f4ac7f47198386 Mon Sep 17 00:00:00 2001
From: RDD2017 <r.dampilon@eastbanctech.ru>
Date: Fri, 1 Sep 2017 12:18:28 +0700
Subject: [PATCH] feat(tooltip): check. last tooltip must exist

---
 src/tooltip/tooltip.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tooltip/tooltip.js b/src/tooltip/tooltip.js
index 65a931cd54..dea385088b 100644
--- a/src/tooltip/tooltip.js
+++ b/src/tooltip/tooltip.js
@@ -80,7 +80,7 @@ angular.module('ui.bootstrap.tooltip', ['ui.bootstrap.position', 'ui.bootstrap.s
     function keypressListener(e) {
       if (e.which === 27) {
         var last = openedTooltips.top();
-        var enableEsc = last.options.enableEsc;
+        var enableEsc = last ? last.options.enableEsc : true;
         if (last && enableEsc) {
           last.value.close();
           last = null;