From e98f7b93a1ee43b86eb9380390885a577b153e37 Mon Sep 17 00:00:00 2001
From: Ludo Stellingwerff <ludo@almende.org>
Date: Tue, 1 Dec 2015 10:01:38 +0100
Subject: [PATCH] Warn on incorrect input

---
 lib/DataSet.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/DataSet.js b/lib/DataSet.js
index 25ede879..7ce19edb 100644
--- a/lib/DataSet.js
+++ b/lib/DataSet.js
@@ -259,7 +259,11 @@ DataSet.prototype.update = function (data, senderId) {
   if (Array.isArray(data)) {
     // Array
     for (var i = 0, len = data.length; i < len; i++) {
-      addOrUpdate(data[i]);
+      if (data[i] instanceof Object){
+        addOrUpdate(data[i]);
+      } else {
+        console.warn("Ignoring input item, which is not an object at index"+i);
+      }
     }
   }
   else if (data instanceof Object) {