From af40e140f9c9f22d029fa94bf680b5f0609639cf Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Thu, 16 Aug 2018 16:59:52 +0200
Subject: [PATCH] safety net for call of undefined function in mergeDrive

---
 www/common/mergeDrive.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/www/common/mergeDrive.js b/www/common/mergeDrive.js
index a633489b2..396798d24 100644
--- a/www/common/mergeDrive.js
+++ b/www/common/mergeDrive.js
@@ -70,7 +70,12 @@ define([
                         Realtime.whenRealtimeSyncs(proxyData.realtime, cb);
                     }
                 };
-                oldFo.migrate(onMigrated);
+                if (oldFo && typeof(oldFo.migrate) === 'function') {
+                    oldFo.migrate(onMigrated);
+                } else {
+                    console.log('oldFo.migrate is not a function');
+                    onMigrated();
+                }
                 return;
             }
             if (typeof(cb) === "function") { cb(); }