From c71508b5e2d2998bdaca0cb13ee45d780ddafeb0 Mon Sep 17 00:00:00 2001
From: minj <4mr.minj@gmail.com>
Date: Sat, 22 Feb 2014 20:29:11 +0200
Subject: [PATCH 1/2] test for existence of navigator

---
 FileSaver.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/FileSaver.js b/FileSaver.js
index 360f8ae..cc9cdda 100644
--- a/FileSaver.js
+++ b/FileSaver.js
@@ -14,12 +14,14 @@
 
 var saveAs = saveAs
   // IE 10+ (native saveAs)
-  || (navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
+  || (typeof navigator !== "undefined" &&
+      navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
   // Everyone else
   || (function(view) {
 	"use strict";
 	// IE <10 is explicitly unsupported
-	if (/MSIE [1-9]\./.test(navigator.userAgent)) {
+	if (typeof navigator !== "undefined" &&
+	    /MSIE [1-9]\./.test(navigator.userAgent)) {
 		return;
 	}
 	var

From e81a06bcbadec586e5014b470d104bcf5ca185f5 Mon Sep 17 00:00:00 2001
From: minj <4mr.minj@gmail.com>
Date: Sat, 22 Feb 2014 20:29:50 +0200
Subject: [PATCH 2/2] add saveAs.unload to prevent memleaks

---
 FileSaver.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/FileSaver.js b/FileSaver.js
index cc9cdda..112efb0 100644
--- a/FileSaver.js
+++ b/FileSaver.js
@@ -230,6 +230,10 @@ var saveAs = saveAs
 		null;
 
 	view.addEventListener("unload", process_deletion_queue, false);
+	saveAs.unload = function() {
+		process_deletion_queue();
+		view.removeEventListener("unload", process_deletion_queue, false);
+	};
 	return saveAs;
 }(
 	   typeof self !== "undefined" && self