JSNLog and elmah.io

Startup.js

public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
    loggerFactory.AddElmahIo("API_KEY", new Guid("LOG_ID"));

    var api = ElmahioAPI.Create("API_KEY");
    JavascriptLogging.OnLogging += loggingEventArgs =>
    {
        api.Messages.CreateAndNotify(new Guid("LOG_ID"), new CreateMessage
        {
            Title = loggingEventArgs.FinalMessage,
            Severity = Severity(loggingEventArgs.FinalLevel),
            Cookies = loggingEventArgs.LogRequest?.Cookies?.Select(c => new Item {Key = c.Key, Value = c.Value}).ToList(),
            ServerVariables = loggingEventArgs.LogRequest?.Headers?.Select(c => new Item { Key = c.Key, Value = c.Value }).ToList(),
            QueryString = loggingEventArgs.LogRequest?.QueryParameters?.Select(c => new Item { Key = c.Key, Value = c.Value }).ToList(),
            Url = loggingEventArgs.LogRequest?.Url,
            Source = loggingEventArgs.LogRequest?.Logger,
            Detail = "jeres\nstacktrace\nindsaettes\nher",
        });

        // Cancel further logging through Microsoft.Extensions.Logging, since we already logged the message
        loggingEventArgs.Cancel = true;
    };

    app.UseJSNLog(new LoggingAdapter(loggerFactory));
}