From 4b705bb1c4886e197d0e8dfcc291fb3308238372 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoffer=20=C3=85str=C3=B6m?= <stoffeastrom@gmail.com>
Date: Wed, 9 Mar 2016 19:55:00 +0100
Subject: [PATCH] fix(symbol): treat `null` value the same as `undefined`

Fixes #13
---
 src/symbol.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/symbol.js b/src/symbol.js
index 362f5b0..24ca9ff 100644
--- a/src/symbol.js
+++ b/src/symbol.js
@@ -248,7 +248,7 @@ import {PLATFORM} from 'aurelia-pal';
           descriptor.value = function () {
             var
               str = toString.call(this),
-              tst = typeof this === 'undefined' ? undefined : this[Symbol.toStringTag]
+              tst = typeof this === 'undefined' || this === null ? undefined : this[Symbol.toStringTag]
             ;
             return typeof tst === 'undefined' ? str : ('[object ' + tst + ']');
           };