fix: handle null as the root object

Author: remy

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;

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;