From 9a1631a614ef1fb6f36b037722f722e07be438a9 Mon Sep 17 00:00:00 2001
From: Remy Sharp <remy@remysharp.com>
Date: Tue, 21 Feb 2017 14:17:39 +0000
Subject: [PATCH] fix: handle null as the root object

---
 lib/undefsafe.js       | 5 +++++
 test/undefsafe.test.js | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/lib/undefsafe.js b/lib/undefsafe.js
index 07b91d9..52db639 100644
--- a/lib/undefsafe.js
+++ b/lib/undefsafe.js
@@ -40,6 +40,11 @@ function undefsafe(obj, path, value) {
     return res;
   }
 
+  // bail if there's nothing
+  if (obj === undefined || obj === null) {
+    return undefined;
+  }
+
   var parts = split(path);
   var key = null;
   var type = typeof obj;
diff --git a/test/undefsafe.test.js b/test/undefsafe.test.js
index c5b6470..49f29b0 100644
--- a/test/undefsafe.test.js
+++ b/test/undefsafe.test.js
@@ -8,6 +8,12 @@ test('should handle primatives', function (t) {
   t.end();
 });
 
+test('should handle null', function (t) {
+  var r = undefsafe(null, 'foo');
+  t.equal(r, undefined, 'undefsafe works with null');
+  t.end();
+});
+
 test('should handle empty objects', function (t) {
   var value = {};
   var r;