account for empty touches

PopSugar · Jan 7, 2015 · 535b645 · 535b645
1 parent c523765
commit 535b645
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/slider.coffee b/slider.coffee
@@ -160,7 +160,7 @@ sliderDirective = ($timeout) ->
             currentRef = ref
             scope.$apply()
           onMove = (event) ->
-            eventX = event.clientX || event.touches[0].clientX
+            eventX = event.clientX || event.touches?[0]?.clientX || 0
             newOffset = eventX - element[0].getBoundingClientRect().left - handleHalfWidth
             newOffset = Math.max(Math.min(newOffset, maxOffset), minOffset)
             newPercent = percentOffset newOffset

diff --git a/slider.js b/slider.js