From 4f4a13fadb5e5eca180fb67dfde33e2fa72bd02f Mon Sep 17 00:00:00 2001
From: Fred Chasen <fchasen@gmail.com>
Date: Tue, 3 Oct 2017 17:35:53 -0700
Subject: [PATCH] Fix for URL const

---
 package.json      | 2 +-
 src/utils/core.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index 016ff86..ed8a5ba 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "epubjs",
-  "version": "0.3.54",
+  "version": "0.3.55",
   "description": "Parse and Render Epubs",
   "main": "lib/index.js",
   "module": "src/index.js",
diff --git a/src/utils/core.js b/src/utils/core.js
index ae4ea6e..3fee93e 100644
--- a/src/utils/core.js
+++ b/src/utils/core.js
@@ -3,7 +3,7 @@ const ELEMENT_NODE = 1;
 const TEXT_NODE = 3;
 const COMMENT_NODE = 8;
 const DOCUMENT_NODE = 9;
-const _URL = URL || (typeof window != "undefined" ? (window.URL || window.webkitURL || window.mozURL) : undefined);
+const _URL = typeof URL != "undefined" ? URL : (typeof window != "undefined" ? (window.URL || window.webkitURL || window.mozURL) : undefined);
 
 export function isElement(obj) {
 	return !!(obj && obj.nodeType == 1);