From 56c8fb10d54d1531521e44ab1d0bde92739bd7e0 Mon Sep 17 00:00:00 2001
From: Stefan Penner <stefan.penner@gmail.com>
Date: Fri, 2 Jun 2017 10:04:49 -0700
Subject: [PATCH] Update container.js

---
 packages/container/lib/container.js | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/packages/container/lib/container.js b/packages/container/lib/container.js
index c6398ae44cf..f37b2363006 100644
--- a/packages/container/lib/container.js
+++ b/packages/container/lib/container.js
@@ -190,14 +190,10 @@ function wrapManagerInDeprecationProxy(manager) {
   if (HAS_NATIVE_PROXY) {
     let validator = {
       get(obj, prop) {
-        // make work with node's formatValue
-        if (!(prop in obj)) { return ; }
-        if (prop === 'toString') {
-          return obj.toString.bind(obj);
-        }
-        // now works with nodes' formatValue
-
-        if (prop !== 'class' && prop !== 'create') {
+        if (typeof prop === 'symbol') { return obj[prop]; }
+        if (prop === 'inspect') { return undefined; /* for nodes formatter */ }
+       
+        if (prop !== 'class' && prop !== 'create' && prop !== 'toString') {
           throw new Error(`You attempted to access "${prop}" on a factory manager created by container#factoryFor. "${prop}" is not a member of a factory manager."`);
         }