added method to mark application as completed to avoid calling main() twice

Author: jyameo

dwds/lib/dart_web_debug_service.dart

@@ -66,6 +66,7 @@ class Dwds {
     required Stream<BuildResult> buildResults,
     required ConnectionProvider chromeConnection,
     required ToolConfiguration toolConfiguration,
+    // ignore: avoid-unused-parameters
     @Deprecated(
       'Use runMainAtStart instead. This parameter is ignored and will be removed in a future version.',
     )

dwds/lib/src/connections/app_connection.dart

@@ -44,4 +44,14 @@ class AppConnection {
     _connection.sink.add(jsonEncode(serializers.serialize(RunRequest())));
     _startedCompleter.complete();
   }
+
+  /// Marks the application as started by completing the _startedCompleter.
+  /// This can be used when the application starts through alternative means
+  /// (e.g., immediate execution) rather than through the runMain() flow.
+  void markAsStarted() {
+    if (_startedCompleter.isCompleted) {
+      throw StateError('Application has already been marked as started.');
+    }
+    _startedCompleter.complete();
+  }
 }

dwds/lib/src/injected/client.js

@@ -240,22 +240,16 @@ Future<void>? main() {
         });
       }
 
-      if (_isChromium) {
-        _trySendEvent(
-          client.sink,
-          jsonEncode(
-            serializers.serialize(
-              ConnectRequest(
-                (b) =>
-                    b
-                      ..appId = dartAppId
-                      ..instanceId = dartAppInstanceId
-                      ..entrypointPath = dartEntrypointPath,
-              ),
-            ),
-          ),
-        );
-      }
+      _sendConnectRequest(
+        client.sink,
+        ConnectRequest(
+          (b) =>
+              b
+                ..appId = dartAppId
+                ..instanceId = dartAppInstanceId
+                ..entrypointPath = dartEntrypointPath,
+        ),
+      );
 
       if (runMainAtStart) {
         runMain();
@@ -293,6 +287,10 @@ void _trySendEvent<T>(StreamSink<T> sink, T serialized) {
   }
 }
 
+void _sendConnectRequest(StreamSink clientSink, ConnectRequest request) {
+  _trySendEvent(clientSink, jsonEncode(serializers.serialize(request)));
+}
+
 /// Returns [url] modified if necessary so that, if the current page is served
 /// over `https`, then the URL is converted to `https`.
 String _fixProtocol(String url) {