From 02208afca8e446aa000359e34dddd49d07778434 Mon Sep 17 00:00:00 2001
From: Ingvar Stepanyan <rreverser@google.com>
Date: Wed, 9 Feb 2022 13:25:01 +0000
Subject: [PATCH] Add a fallback for unsupported browsers

---
 ui/index.html | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/ui/index.html b/ui/index.html
index 71bdfc8..a99fe51 100644
--- a/ui/index.html
+++ b/ui/index.html
@@ -50,6 +50,16 @@
         }
       }
     </script>
-    <script type="module" src="index.js"></script>
+    <script type="module">
+      try {
+        if (!('usb' in navigator)) {
+          throw new Error('WebUSB is unsupported');
+        }
+        await import('./index.js');
+      } catch (e) {
+        console.error(e);
+        await import('./index-fallback.js');
+      }
+    </script>
   </head>
 </html>