From f78e025d336eb0aa5bd4be8ceecb6e57f9fa313e Mon Sep 17 00:00:00 2001
From: Danny Coates <dannycoates@gmail.com>
Date: Tue, 12 Mar 2019 20:53:54 -0700
Subject: [PATCH] disable streaming download if registering sw fails. fixes
 #1226

---
 app/main.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/app/main.js b/app/main.js
index b64a5955..ef972823 100644
--- a/app/main.js
+++ b/app/main.js
@@ -35,8 +35,13 @@ if (process.env.NODE_ENV === 'production') {
     return window.location.assign('/unsupported/crypto');
   }
   if (capabilities.serviceWorker) {
-    await navigator.serviceWorker.register('/serviceWorker.js');
-    await navigator.serviceWorker.ready;
+    try {
+      await navigator.serviceWorker.register('/serviceWorker.js');
+      await navigator.serviceWorker.ready;
+    } catch (e) {
+      // continue but disable streaming downloads
+      capabilities.streamDownload = false;
+    }
   }
 
   const translate = await getTranslator(LOCALE);