From a700eae2d4265a36f1230d43a2c9084230a3a8c7 Mon Sep 17 00:00:00 2001
From: Typicode <typicode@gmail.com>
Date: Fri, 17 Apr 2015 07:08:01 +0200
Subject: [PATCH] Enhance foreign key detection

---
 src/utils.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/utils.js b/src/utils.js
index ed4807f..de6b19f 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -50,9 +50,13 @@ function getRemovable(db) {
       _(doc).each(function(value, key) {
         if (/Id$/.test(key)) {
           var refName = _.pluralize(key.slice(0, - 2))
-          var ref     = _.findWhere(db[refName], {id: value})
-          if (_.isUndefined(ref)) {
-            removable.push({ name: collName, id: doc.id })
+          // Test if table exists
+          if (db[refName]) {
+            // Test if references is defined in table
+            var ref = _.findWhere(db[refName], {id: value})
+            if (_.isUndefined(ref)) {
+              removable.push({ name: collName, id: doc.id })
+            }
           }
         }
       })