From ed130a53afa9aaee07453c589b7263163b1cf12e Mon Sep 17 00:00:00 2001
From: Bartosz Kurek <bartosz.kurek@netent.com>
Date: Thu, 8 Mar 2018 00:21:13 +0100
Subject: [PATCH] Library adjusted to work with webworkers.

---
 lib/secure-random.js | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/lib/secure-random.js b/lib/secure-random.js
index 96a59d0..886290c 100644
--- a/lib/secure-random.js
+++ b/lib/secure-random.js
@@ -20,7 +20,14 @@ function secureRandom(count, options) {
   if (typeof process != 'undefined' && typeof process.pid == 'number') {
     return nodeRandom(count, options)
   } else {
-    var crypto = window.crypto || window.msCrypto
+      var crypto;
+    if(typeof window !== 'undefined'){
+      crypto = window.crypto || window.msCrypto;
+    }
+    else if(self){
+      crypto = self.crypto || self.msCrypto;
+    }
+
     if (!crypto) throw new Error("Your browser does not support window.crypto.")
     return browserRandom(count, options)
   }
@@ -46,7 +53,13 @@ function nodeRandom(count, options) {
 
 function browserRandom(count, options) {
   var nativeArr = new Uint8Array(count)
-  var crypto = window.crypto || window.msCrypto
+    var crypto;
+    if(typeof window !== 'undefined'){
+        crypto = window.crypto || window.msCrypto;
+    }
+    else if(self){
+        crypto = self.crypto || self.msCrypto;
+    }
   crypto.getRandomValues(nativeArr)
 
   switch (options.type) {