From 442e82463eb0418a7faec31f8dcb92aeb999f799 Mon Sep 17 00:00:00 2001
From: Isaac Snow <isaacjsnow@gmail.com>
Date: Tue, 2 Oct 2018 11:24:13 -0700
Subject: [PATCH] fix: don't reassign createObjectURL if we don't need to

---
 src/config/polyfill.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/config/polyfill.tsx b/src/config/polyfill.tsx
index 18cf1882..ec6d5cb8 100644
--- a/src/config/polyfill.tsx
+++ b/src/config/polyfill.tsx
@@ -14,7 +14,7 @@ import { URL, URLSearchParams } from 'whatwg-url'
 const GLOBAL = global as any
 GLOBAL.URL = URL
 GLOBAL.URLSearchParams = URLSearchParams
-if (createObjectURL) {
+if (!window.URL.createObjectURL && createObjectURL) {
     window.URL.createObjectURL = createObjectURL
 }