From bfda0f6d9ccfd37736ff4b3c37f7bc263a144b25 Mon Sep 17 00:00:00 2001
From: Thomas Jaede <thomas.jaede@kaazing.com>
Date: Wed, 15 Apr 2020 13:13:15 -0700
Subject: [PATCH] Adjust Symbol null check in shim-array

---
 shim-array.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/shim-array.js b/shim-array.js
index 3bf65fc..ded006f 100644
--- a/shim-array.js
+++ b/shim-array.js
@@ -25,8 +25,9 @@ if (Object.freeze) {
 
 Array.nativeFrom = Array.from;
 
+var isSymbolDefined = typeof Symbol !== "undefined";
 Array.from = function (values, mapFn, thisArg) {
-    if(Symbol && values && typeof values[Symbol.iterator] === "function") {
+    if (isSymbolDefined && values && typeof values[Symbol.iterator] === "function") {
         return Array.nativeFrom(values, mapFn, thisArg);
     }
     //Now we add support for values that implement forEach: