From 39f56d4fd17b5ba9411bab1e28a3b0955dc17fa8 Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Tue, 23 Feb 2016 15:53:58 +0100
Subject: [PATCH] throw error when checking for the index of a node that has no
 parent.

it probably isn't in the dom if this is the case.
Check if it's there before using this function
---
 www/common/treesome.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/www/common/treesome.js b/www/common/treesome.js
index 08743b1c7..6fd504a56 100644
--- a/www/common/treesome.js
+++ b/www/common/treesome.js
@@ -89,6 +89,7 @@ define([], function () {
     var indexOfNode = tree.indexOfNode = function (el) {
         if (!(el && el.parentNode)) {
             console.log("No parentNode found!");
+            throw new Error('No parentNode found!');
         }
         return Array.prototype.indexOf.call(el.parentNode.childNodes, el);
     };