From 6cd988fb31c75a6445473a32e2a3f1512d4a1606 Mon Sep 17 00:00:00 2001
From: Devin Howard <devin@callysto.com>
Date: Mon, 29 Feb 2016 11:45:20 +0800
Subject: [PATCH 1/3] fix #479

---
 app/assets/javascripts/src/Metamaps.js.erb | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/app/assets/javascripts/src/Metamaps.js.erb b/app/assets/javascripts/src/Metamaps.js.erb
index 5a6c5955..7dad20da 100644
--- a/app/assets/javascripts/src/Metamaps.js.erb
+++ b/app/assets/javascripts/src/Metamaps.js.erb
@@ -17,12 +17,11 @@ var labelType, useGradients, nativeTextSupport, animate;
 })();
 
 // TODO eliminate these 4 top-level variables
-Metamaps = {
-  panningInt: null,
-  tempNode: null,
-  tempInit: false,
-  tempNode2: null
-}
+Metamaps = window.Metamaps || {};
+Metamaps.panningInt = null;
+Metamaps.tempNode = null;
+Metamaps.tempInit = false;
+Metamaps.tempNode2 = null;
 
 Metamaps.Settings = {
     embed: false, // indicates that the app is on a page that is optimized for embedding in iFrames on other web pages

From b64558f860776d1f491ef11cf4c26fba316d4fc8 Mon Sep 17 00:00:00 2001
From: Devin Howard <devin@callysto.com>
Date: Mon, 29 Feb 2016 11:49:14 +0800
Subject: [PATCH 2/3] ensure Metamaps[prop] is an object

---
 app/assets/javascripts/src/Metamaps.GlobalUI.js.erb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/src/Metamaps.GlobalUI.js.erb b/app/assets/javascripts/src/Metamaps.GlobalUI.js.erb
index 27812c57..7fb640ae 100644
--- a/app/assets/javascripts/src/Metamaps.GlobalUI.js.erb
+++ b/app/assets/javascripts/src/Metamaps.GlobalUI.js.erb
@@ -49,7 +49,8 @@ $(document).ready(function () {
         // this runs the init function within each sub-object on the Metamaps one
         if (Metamaps.hasOwnProperty(prop) &&
             Metamaps[prop].hasOwnProperty('init') &&
-            typeof (Metamaps[prop].init) == 'function'
+            typeof Metamaps[prop] === 'object' && 
+            typeof (Metamaps[prop].init) === 'function'
         ) {
             Metamaps[prop].init();
         }

From a0d9d9caa413e70540d182ec799d13c576340b31 Mon Sep 17 00:00:00 2001
From: Devin Howard <devin@callysto.com>
Date: Mon, 29 Feb 2016 11:54:01 +0800
Subject: [PATCH 3/3] do what you have to do

---
 app/assets/javascripts/src/Metamaps.GlobalUI.js.erb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/assets/javascripts/src/Metamaps.GlobalUI.js.erb b/app/assets/javascripts/src/Metamaps.GlobalUI.js.erb
index 7fb640ae..e33d54bd 100644
--- a/app/assets/javascripts/src/Metamaps.GlobalUI.js.erb
+++ b/app/assets/javascripts/src/Metamaps.GlobalUI.js.erb
@@ -50,6 +50,8 @@ $(document).ready(function () {
         if (Metamaps.hasOwnProperty(prop) &&
             Metamaps[prop].hasOwnProperty('init') &&
             typeof Metamaps[prop] === 'object' && 
+            !Array.isArray(Metamaps[prop]) &&     # ugh
+            Metamaps[prop] !== null &&            # double ugh
             typeof (Metamaps[prop].init) === 'function'
         ) {
             Metamaps[prop].init();