Merge pull request #283 from bjorg/issue_280

check if running in WebAssembly instead of catching PlatformNotSupportedException

Author: rose-a

src/GraphQL.Client/Websocket/GraphQLHttpWebSocket.cs

@@ -408,22 +408,12 @@ public Task InitializeWebSocket()
 #else
                 _clientWebSocket = new ClientWebSocket();
                 _clientWebSocket.Options.AddSubProtocol("graphql-ws");
-                try
+                if(!System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Create("WEBASSEMBLY")))
                 {
+                    // the following properties are not supported in Blazor WebAssembly and throw a PlatformNotSupportedException error when accessed
                     _clientWebSocket.Options.ClientCertificates = ((HttpClientHandler)Options.HttpMessageHandler).ClientCertificates;
-                }
-                catch (PlatformNotSupportedException)
-                {
-                    Debug.WriteLine("unable to set Options.ClientCertificates property; platform does not support it");
-                }
-                try
-                {
                     _clientWebSocket.Options.UseDefaultCredentials = ((HttpClientHandler)Options.HttpMessageHandler).UseDefaultCredentials;
                 }
-                catch (PlatformNotSupportedException)
-                {
-                    Debug.WriteLine("unable to set Options.UseDefaultCredentials property; platform does not support it");
-                }
                 Options.ConfigureWebsocketOptions(_clientWebSocket.Options);
 #endif
                 return _initializeWebSocketTask = ConnectAsync(_internalCancellationToken);
@@ -627,7 +617,7 @@ public void Complete()
 
         /// <summary>
         /// Task to await the completion (a.k.a. disposal) of this websocket.
-        /// </summary> 
+        /// </summary>
         /// Async disposal as recommended by Stephen Cleary (https://blog.stephencleary.com/2013/03/async-oop-6-disposal.html)
         public Task? Completion { get; private set; }