From 2c2ac3356425e192f7537227508c809a14aa5850 Mon Sep 17 00:00:00 2001
From: Craig Main <craig@palantir.co.za>
Date: Wed, 4 Oct 2017 10:50:46 +0300
Subject: [PATCH] Prevent empty carousel from throwing, and staying in a
 'sliding' state.

Fixes #24132.
---
 js/carousel.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/js/carousel.js b/js/carousel.js
index 6ff954c9bd..2091bc351d 100644
--- a/js/carousel.js
+++ b/js/carousel.js
@@ -144,7 +144,9 @@
     var slidEvent = $.Event('slid.bs.carousel', { relatedTarget: relatedTarget, direction: direction }) // yes, "slid"
     if ($.support.transition && this.$element.hasClass('slide')) {
       $next.addClass(type)
-      $next[0].offsetWidth // force reflow
+      if (typeof $next === 'object' && $next.length) {
+        $next[0].offsetWidth // force reflow
+      }
       $active.addClass(direction)
       $next.addClass(direction)
       $active