From 1524fdfd772c4ddbdb02c5b56b64a2188430ff35 Mon Sep 17 00:00:00 2001
From: Henrik Hermansen <henrik@henrikh.net>
Date: Mon, 1 Dec 2014 09:43:06 +0100
Subject: [PATCH] Prevent updating position without target

When scrolling a list on mobile, Slip attempts to update positions even
though no element is grabbed. That's problematic, as we have no target
object, so let's just not do that.
---
 slip.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/slip.js b/slip.js
index 3e0d182..75d0e92 100644
--- a/slip.js
+++ b/slip.js
@@ -626,6 +626,8 @@ window['Slip'] = (function(){
         },
 
         updatePosition: function(e, pos) {
+            if(this.target == null)
+                return;
             this.latestPosition = pos;
 
             var triggerOffset = 40,