Fix [websocket connection cannot be established in WASM mode](#412 (comment))

Author: jumperchen

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 3.1.0+2
+
+**Bug fix:**
+* [websocket connection cannot be established in WASM mode](https://github.com/rikulo/socket.io-client-dart/pull/412#issuecomment-2756685758)
+
 ## 3.1.0+1
 
 **Bug fix:**

lib/src/engine/transport/websocket_transport.dart

@@ -2,6 +2,7 @@
 // History: 26/04/2017
 // Author: jumperchen<[email protected]>
 
+import 'dart:js_interop';
 import 'dart:async';
 import 'package:web/web.dart';
 import 'package:logging/logging.dart';
@@ -83,7 +84,11 @@ class WebSocketTransport extends Transport {
         // throw an error
         try {
           // TypeError is thrown when passing the second argument on Safari
-          ws!.send(data);
+          if (data is String) {
+            ws!.send(data.toJS); // fix for WASM
+          } else {
+            ws!.send(data);
+          }
         } catch (e) {
           _logger.fine('websocket closed before onclose event');
         }

pubspec.yaml

@@ -1,6 +1,6 @@
 name: socket_io_client
 description: Dartlang port of socket.io-client for web, flutter, dartvm to use
-version: 3.1.0+1
+version: 3.1.0+2
 homepage: https://www.zkoss.org
 repository: https://github.com/rikulo/socket.io-client-dart
 issue_tracker: https://github.com/rikulo/socket.io-client-dart/issues
@@ -10,7 +10,7 @@ environment:
 
 dependencies:
   logging: '^1.2.0'
-  socket_io_common: '^3.0.2'
+  socket_io_common: '^3.1.0'
   web: ^1.1.0
 
 dev_dependencies: