Is it possible to get Realtime events using Blazor standalone web assembly?

[s3312345]

Hi all,

Is there anyway to get Realtime to work inside Blazor wasm standalone? As the following (namely the ConnectAsync() call) produces a
"Failed to start Websocket client , error: 'Operation is not supported on this platform.'"errror.

I'm guessing it is due to Blazor wasm standalone not supporting websockets? Is there a work around for this apart from refactoring it into a Blazor server/client app?

Thanks in advance.

var options = new Supabase.SupabaseOptions
    {
        AutoConnectRealtime = true,
    };

Client supabase = new Supabase.Client(url, key, options);
await supabase.InitializeAsync();

await supabase.Realtime.ConnectAsync();

[s3312345]

Did some digging and worked out the problem myself.

Looks like the latest build of RealTime is broken for client side execution due to this change: https://github.com/supabase-community/realtime-csharp/blame/master/Realtime/RealtimeSocket.cs#L93

The underlying problem is that SetRequestHeader has been marked as not supporting browser side execution:
https://github.com/dotnet/runtime/blob/1d1bf92fcf43aa6981804dc53c5174445069c9e4/src/libraries/System.Net.WebSockets.Client/src/System/Net/WebSockets/ClientWebSocketOptions.cs#L76C13-L80C10

The only work around for now is to downgrade back down to v1.1.0 avoiding v1.1.1

Hope it helps someone in the future.

[grdsdev]

Hi this should have been fixed by supabase-community/realtime-csharp#55