From 01bb3f5b50c74375b7f7e7cf0173dc3c45f7bcf9 Mon Sep 17 00:00:00 2001
From: Sorunome <mail@sorunome.de>
Date: Wed, 14 Oct 2020 12:13:57 +0200
Subject: [PATCH] fix: Make key backup work in web

---
 lib/src/utils/run_in_background.dart | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/src/utils/run_in_background.dart b/lib/src/utils/run_in_background.dart
index cbc5a40..8d837bb 100644
--- a/lib/src/utils/run_in_background.dart
+++ b/lib/src/utils/run_in_background.dart
@@ -21,7 +21,13 @@ import 'dart:async';
 
 Future<T> runInBackground<T, U>(
     FutureOr<T> Function(U arg) function, U arg) async {
-  final isolate = await IsolateRunner.spawn();
+  IsolateRunner isolate;
+  try {
+    isolate = await IsolateRunner.spawn();
+  } on UnsupportedError {
+    // web does not support isolates (yet), so we fall back to calling the method directly
+    return await function(arg);
+  }
   try {
     return await isolate.run(function, arg);
   } finally {