From 20261b800b9390dd81dce9ef4a1ee6b3d11bfae8 Mon Sep 17 00:00:00 2001
From: Philipp Jenni <philippjenni@bluemail.ch>
Date: Sat, 10 Jun 2017 18:25:27 +0200
Subject: [PATCH] Fixed bug: If the carousel does not (yet) contain any items,
 the swipe event throws an error. Even if you add items later on, the swipe
 doesn't work anymore.

---
 jquery.bcSwipe.js     | 7 ++++++-
 jquery.bcSwipe.min.js | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/jquery.bcSwipe.js b/jquery.bcSwipe.js
index 216a1e1..b29a1b4 100644
--- a/jquery.bcSwipe.js
+++ b/jquery.bcSwipe.js
@@ -35,6 +35,7 @@
           var difference = start - x;
           if (Math.abs(difference) >= config.threshold) {
             cancelTouch();
+            if(isCarouselEmpty($(this))) return;
             if (difference > 0) {
               $(this).carousel('next');
             }
@@ -44,6 +45,10 @@
           }
         }
       }
+      
+      function isCarouselEmpty(carousel){
+	  return carousel.find(".item.active").length < 1
+      }
 
       function cancelTouch() {
         this.removeEventListener('touchmove', onTouchMove);
@@ -54,4 +59,4 @@
 
     return this;
   };
-})(jQuery);
+})(jQuery);
\ No newline at end of file
diff --git a/jquery.bcSwipe.min.js b/jquery.bcSwipe.min.js
index e8ef802..8691e86 100644
--- a/jquery.bcSwipe.min.js
+++ b/jquery.bcSwipe.min.js
@@ -1,2 +1,2 @@
 /*! Bootstrap Carousel Swipe jQuery plugin v1.1 | https://github.com/maaaaark/bcSwipe | MIT License */
-!function(t){t.fn.bcSwipe=function(e){var n={threshold:50};return e&&t.extend(n,e),this.each(function(){function e(t){1==t.touches.length&&(u=t.touches[0].pageX,c=!0,this.addEventListener("touchmove",o,!1))}function o(e){if(c){var o=e.touches[0].pageX,i=u-o;Math.abs(i)>=n.threshold&&(h(),t(this).carousel(i>0?"next":"prev"))}}function h(){this.removeEventListener("touchmove",o),u=null,c=!1}var u,c=!1;"ontouchstart"in document.documentElement&&this.addEventListener("touchstart",e,!1)}),this}}(jQuery);
+!function(t){t.fn.bcSwipe=function(e){var n={threshold:50};return e&&t.extend(n,e),this.each(function(){function e(t){1==t.touches.length&&(u=t.touches[0].pageX,c=!0,this.addEventListener("touchmove",i,!1))}function i(e){if(c){var i=e.touches[0].pageX,r=u-i;if(Math.abs(r)>=n.threshold){if(h(),o(t(this)))return;r>0?t(this).carousel("next"):t(this).carousel("prev")}}}function o(t){return t.find(".item.active").length<1}function h(){this.removeEventListener("touchmove",i),u=null,c=!1}var u,c=!1;"ontouchstart"in document.documentElement&&this.addEventListener("touchstart",e,!1)}),this}}(jQuery);