From 8192f69f67a4f31b10050dcd66f924c62f1d693b Mon Sep 17 00:00:00 2001
From: Krishna Acondy <kc.acondy@outlook.com>
Date: Tue, 18 Aug 2020 08:25:40 +0100
Subject: [PATCH] fix(*): do not use polyfill when running on Node.js

---
 src/SASjs.ts            | 4 +++-
 src/utils/isIeOrEdge.ts | 3 +++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/SASjs.ts b/src/SASjs.ts
index 9167280..583e78c 100644
--- a/src/SASjs.ts
+++ b/src/SASjs.ts
@@ -2,7 +2,9 @@ import { isIEorEdgeOrOldFirefox } from "./utils/isIeOrEdge";
 import * as e6p from "es6-promise";
 (e6p as any).polyfill();
 if (isIEorEdgeOrOldFirefox()) {
-  window.fetch = undefined as any; // ensure the polyfill runs
+  if (window) {
+    window.fetch = undefined as any; // ensure the polyfill runs
+  }
 }
 // tslint:disable-next-line
 require("isomorphic-fetch");
diff --git a/src/utils/isIeOrEdge.ts b/src/utils/isIeOrEdge.ts
index 59400da..2a57ac3 100644
--- a/src/utils/isIeOrEdge.ts
+++ b/src/utils/isIeOrEdge.ts
@@ -1,4 +1,7 @@
 export function isIEorEdgeOrOldFirefox() {
+  if (typeof window === "undefined") {
+    return false;
+  }
   const ua = window.navigator.userAgent;
 
   if (ua.indexOf("Firefox") > 0) {