From 26619ebad4ed30538b19b969b443370c8c64533f Mon Sep 17 00:00:00 2001
From: Anton Gillert <anton.gillert@rewe-group.com>
Date: Wed, 12 Apr 2017 16:09:32 +0200
Subject: [PATCH] add null check for better testability

---
 src/components/slides/swiper/swiper.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/components/slides/swiper/swiper.ts b/src/components/slides/swiper/swiper.ts
index 21fc1f1499c..beedfda8fa8 100644
--- a/src/components/slides/swiper/swiper.ts
+++ b/src/components/slides/swiper/swiper.ts
@@ -892,9 +892,10 @@ export function enableTouchControl(s: Slides) {
 // Cleanup dynamic styles
 function cleanupStyles(s: Slides) {
   // Container
-  removeClass(s.container, s._classNames);
-  s.container.removeAttribute('style');
-
+  if(s.container){
+    removeClass(s.container, s._classNames);
+    s.container.removeAttribute('style');
+  }
   // Wrapper
   s._wrapper.removeAttribute('style');