Fix web language

lib/main.dart

@@ -1,9 +1,11 @@
 import 'package:famedlysdk/famedlysdk.dart';
 import 'package:fluffychat/i18n/i18n.dart';
 import 'package:fluffychat/views/sign_up.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:universal_html/prefer_universal/html.dart' as html;
 
 import 'components/matrix.dart';
 import 'views/chat_list.dart';
@@ -61,6 +63,9 @@ class App extends StatelessWidget {
             const Locale('en'), // English
             const Locale('de'), // German
           ],
+          locale: kIsWeb
+              ? Locale(html.window.navigator.language.split("-").first)
+              : null,
           home: FutureBuilder<LoginState>(
             future: Matrix.of(context).client.onLoginStateChanged.stream.first,
             builder: (context, snapshot) {

pubspec.lock

@@ -455,6 +455,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.6"
+  universal_html:
+    dependency: "direct main"
+    description:
+      name: universal_html
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.12"
+  universal_io:
+    dependency: transitive
+    description:
+      name: universal_io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.8.6"
   unorm_dart:
     dependency: transitive
     description:
@@ -532,6 +546,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.2.0"
+  zone_local:
+    dependency: transitive
+    description:
+      name: zone_local
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2"
 sdks:
   dart: ">=2.7.0 <3.0.0"
   flutter: ">=1.12.13+hotfix.5 <2.0.0"

pubspec.yaml

@@ -48,6 +48,7 @@ dependencies:
   receive_sharing_intent: ^1.3.2
   flutter_secure_storage: ^3.3.1+1
   http: ^0.12.0+4
+  universal_html: ^1.1.12
 
   intl: ^0.16.0
   intl_translation: ^0.17.9