safety net for call of undefined function in mergeDrive

6 years ago · af40e140f9
parent 2259d1b6ac
commit af40e140f9
1 changed files with 6 additions and 1 deletions
--- 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(); }