Support for WASM builds (#593)

* fix conditionals to support wasm

* remove js_util

* fix wasm blocking issues

* revert name change

* cleanup analysis warnings

* sort imports

* copy e2ee

* fix ref to dart_webrtc crypto

* fix compile with --wasm.

* import sorter.

* bump deps version.

* fix.

* revert changes.

* fix analyzer.

* fix

---------

Co-authored-by: Jesse Ezell <[email protected]>
Co-authored-by: cloudwebrtc <[email protected]>

Author: 3 people

.github/workflows/build.yaml

@@ -152,3 +152,22 @@ jobs:
       - name: Build for Web
         working-directory: ./example
         run: flutter build web
+
+  build-for-web-wasm:
+    name: Build for Flutter Web WASM
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v1
+        with:
+          java-version: '12.x'
+      - uses: actions/checkout@v2
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+      - name: Install project dependencies
+        run: flutter pub get
+      - name: Build for Web
+        working-directory: ./example
+        run: flutter build web --wasm

Makefile

@@ -13,6 +13,6 @@ proto:
 format:
 	dart format lib/src/proto
 
-e2ee: dart compile js .\web\e2ee.worker.dart -o .\example\web\e2ee.worker.dart.js
+e2ee: dart compile js ./web/e2ee.worker.dart -o ./example/web/e2ee.worker.dart.js
 
 .PHONY: proto format

example/lib/main.dart

@@ -1,11 +1,8 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_window_close/flutter_window_close.dart';
-import 'package:livekit_client/livekit_client.dart';
 import 'package:livekit_example/theme.dart';
 import 'package:logging/logging.dart';
 import 'package:intl/intl.dart';
 import 'pages/connect.dart';
-import 'utils.dart';
 
 void main() async {
   final format = DateFormat('HH:mm:ss');
@@ -16,21 +13,19 @@ void main() async {
   });
 
   WidgetsFlutterBinding.ensureInitialized();
-
-  if (lkPlatformIsDesktop()) {
+  /*if (lkPlatformIsDesktop()) {
     await FlutterWindowClose.setWindowShouldCloseHandler(() async {
       await onWindowShouldClose?.call();
       return true;
     });
-  }
+  }*/
 
   /// for livestreaming app, you can initialize the bypassVoiceProcessing = true
   /// here to get better audio quality
   ///
   /// await LiveKitClient.initialize(
   ///  bypassVoiceProcessing: lkPlatformIsMobile(),
   /// );
-
   runApp(const LiveKitExampleApp());
 }
 

example/pubspec.yaml

@@ -20,7 +20,6 @@ dependencies:
   google_fonts: ^6.2.1
   flutter_svg: ^2.0.5
   dropdown_button2: ^2.3.6
-  flutter_window_close: ^1.0.0
   collection: '>=1.16.0'
 
   livekit_client: