From 956643a544367010539c8a2d07e8b6b560831e16 Mon Sep 17 00:00:00 2001
From: Mohamed Hegazy <mhegazy@microsoft.com>
Date: Tue, 29 Nov 2016 16:33:21 -0800
Subject: [PATCH] Port null/undefined support in __rest from
 https://github.com/Microsoft/TypeScript/pull/12552

---
 tslib.es6.js | 2 +-
 tslib.js     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tslib.es6.js b/tslib.es6.js
index 049e4de..2ba9dd3 100644
--- a/tslib.es6.js
+++ b/tslib.es6.js
@@ -31,7 +31,7 @@ export function __rest(s, e) {
     var t = {};
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
-    if (typeof Object.getOwnPropertySymbols === "function")
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
         for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
             t[p[i]] = s[p[i]];
     return t;
diff --git a/tslib.js b/tslib.js
index b3556c3..e954a2f 100644
--- a/tslib.js
+++ b/tslib.js
@@ -62,7 +62,7 @@ var __generator;
         var t = {};
         for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
             t[p] = s[p];
-        if (typeof Object.getOwnPropertySymbols === "function")
+        if (s != null && typeof Object.getOwnPropertySymbols === "function")
             for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
                 t[p[i]] = s[p[i]];
         return t;