SignalR Core not generating(mapping) Client methods - asp.net-core

Question

The SignalR Core is generating Hub proxies script, but not adding the "client" methods. (No errors in server or client - only not working)
Generated JS from <script src="http://localhost/signalr/hubs">
proxies['messageHub'] = this.createHubProxy('messageHub');
proxies['messageHub'].client = { };
proxies['messageHub'].server = {
handleMessage: function (receivedString) {
return proxies['messageHub'].invoke.apply(proxies['messageHub'], $.merge(["HandleMessage"], $.makeArray(arguments)));
}
};
Here's the Hub in Server Side:
public class MessageHub : Hub
{
public void HandleMessage(string receivedString)
{
var responseString = string.Empty;
MessageHandler.HandleMessage(receivedString, ref responseString);
Clients.All.sendMessage(responseString);
}
}
The sendMessage methos should be included in the messageHub client proxies in the JS file.
$.connection.messageHub.client.sendMessage is undefined
Only the handleMessage for server proxies was created (and working).
Here's my StartUp.cs inclusions for SignalR:
ConfigureServices:
services.AddMvc(options =>
{
options.Filters.Add(new RoleFilterAttribute());
}).AddJsonOptions(options => options.SerializerSettings.ContractResolver =
new DefaultContractResolver());
services.AddSignalR(options => options.Hubs.EnableDetailedErrors = true)
Configure:
app.UseWebSockets();
app.UseSignalR();
project.json:
"Microsoft.AspNetCore.Mvc": "1.0.0-*",
"Microsoft.AspNetCore.WebSockets": "1.0.0",
"Microsoft.AspNetCore.SignalR.Server": "0.2.0-*",
SOME ADDITIONAL TENTATIVES:
1 - Change method case in Server Side to see if it's mapped:
Clients.All.SendMessage(responseString);
Did not work!
2 - Change the client side to dynamic mapping:
var connection = $.hubConnection('http://localhost/');
var proxy = connection.createHubProxy('messageHub');
connection.start({ withCredentials: false }).done(function () { console.log("CONNECTED") });
proxy.on("sendMessage", function (result) {console.log(result);});
proxy.invoke("handleMessage", msg).done(function(result)console.log(result);});
Again only the handleMessage (server) worked.

Answer 1

Well according to the docs you are missing method name so the send all line should look like this
public void HandleMessage(string receivedString)
{
var responseString = string.Empty;
MessageHandler.HandleMessage(receivedString, ref responseString);
Clients.All.SendMessage("SendMessage",responseString);
}
Also in the following is the correct way
app.UseSignalR(routes =>
{
routes.Hub<MessageHub>("/messageHub");
});
and finally
var connection = $.hubConnection('http://localhost/');
var proxy = connection.createHubProxy('messageHub');
connection.start({ withCredentials: false }).done(function () { console.log("CONNECTED") });
proxy.on("SendMessage", function (result) {console.log(result);});
proxy.invoke("HandleMessage", msg).done(function(result)console.log(result);});

Answer 2

ASP.NET Core SignalR doesn't generate client proxies. There's good advice in the comment to follow the tutorial https://learn.microsoft.com/en-us/aspnet/core/tutorials/signalr?view=aspnetcore-6.0&tabs=visual-studio