From 26adc906ce12f37475ce1de3fc6f013b0dcc05da Mon Sep 17 00:00:00 2001
From: Adam Laycock <adam@arcath.net>
Date: Tue, 4 Jul 2017 15:59:01 +0100
Subject: [PATCH] fix index returning undefined

---
 package.json            | 2 +-
 src/sodb.coffee         | 5 ++++-
 tests/sodb-tests.coffee | 9 +++++++++
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index 6483b42..4d10a60 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sodb",
-  "version": "1.2.4",
+  "version": "1.2.5",
   "description": "Single Object Database",
   "main": "lib/sodb.js",
   "scripts": {
diff --git a/src/sodb.coffee b/src/sodb.coffee
index 26c97ee..473003f 100644
--- a/src/sodb.coffee
+++ b/src/sodb.coffee
@@ -135,7 +135,10 @@ module.exports =
       @where.apply(this, arguments)[0]
 
     indexLookup: (key) ->
-      return @unref @objects[@index[key]]
+      if @objects[@index[key]]
+        return @unref @objects[@index[key]]
+      else
+        return undefined
 
     #
     # unref(entry)
diff --git a/tests/sodb-tests.coffee b/tests/sodb-tests.coffee
index 7c2a68f..88a743d 100644
--- a/tests/sodb-tests.coffee
+++ b/tests/sodb-tests.coffee
@@ -88,6 +88,15 @@ for caching in [true, false]
 
         expect(result.age).to.equal 10
 
+      it 'should return undefined if no lookup exists', ->
+        tdb = new sodb({index: 'name'})
+
+        tdb.add({name: 'dave', age: 10})
+
+        result = tdb.indexLookup('phil')
+
+        expect(result).to.equal undefined
+
     describe 'compares', ->
       it 'should support greater than', ->
         results = db.where({eyes: 2}, {age: {gt: 25}})