From daae1804100510bc4d963059150f17b56e8f1648 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9goire=20Delattre?= <gregoire.delattre@gmail.com>
Date: Sat, 3 Jun 2017 15:57:57 +0200
Subject: [PATCH] Fix empty subtitle error in the download button

---
 src/public/js/components/buttons/download.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/public/js/components/buttons/download.js b/src/public/js/components/buttons/download.js
index 89ce699..dfcc217 100644
--- a/src/public/js/components/buttons/download.js
+++ b/src/public/js/components/buttons/download.js
@@ -71,11 +71,13 @@ class Player extends React.PureComponent {
     super(props);
   }
   render() {
+    const subtitles = this.props.subtitles;
+    const hasSubtitles = (subtitles !== undefined && subtitles !== null);
     return (
       <div className="embed-responsive embed-responsive-16by9">
         <video controls>
           <source src={this.props.url} type="video/mp4"/>
-          {this.props.subtitles !== undefined && this.props.subtitles.toIndexedSeq().map(function(el, index) {
+          {hasSubtitles && subtitles.toIndexedSeq().map(function(el, index) {
             return (
               <track
                 key={index}