From 750cdc8d113827cbb67f6a5a133cfa736e83209d Mon Sep 17 00:00:00 2001
From: GaelS <servauga@gmail.com>
Date: Thu, 14 Mar 2019 17:30:54 +0100
Subject: [PATCH] only stopMusic when not undefined

---
 demo/game/index.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/demo/game/index.js b/demo/game/index.js
index 7dd24e1..58f2409 100644
--- a/demo/game/index.js
+++ b/demo/game/index.js
@@ -38,7 +38,9 @@ export default class Game extends Component {
   }
 
   componentWillUnmount() {
-    this.stopMusic();
+    if(this.stopMusic){
+      this.stopMusic();
+    }
     this.keyListener.unsubscribe();
   }