GraphQL!Function.fs

// F#
type public GraphQLFunction (serviceProvider : IServiceProvider, log : ILogger<GraphQLFunction>) =

    [<FunctionName "GraphQL">]
    member public __.Execute
        ([<HttpTrigger(AuthorizationLevel.Anonymous, "POST", Route = null)>] req : HttpRequest,
         cancellationToken : CancellationToken) = Async.StartAsTask (async {

            let! responseData = GraphQL.handleRequest serviceProvider req.Body
            let responseBody = GraphQLFunction.GetBody log responseData
            return JsonResult (responseBody)

        }, cancellationToken = cancellationToken)

// C#
public class GraphQLFunction (IServiceProvider: serviceProvider, ILogger<GraphQLFunction>: log)
{
    [FunctionName("GraphQL")]
    public Task Execute
        ([HttpTrigger(AuthorizationLevel.Anonymous, "POST", Route = null)] HttpRequest: req,
          CancellationToken: cancellationToken)
        {
            var responseData = await GraphQL.HandleRequest(serviceProvider, req.Body, cancellationToken)
            var responseBody = GraphQLFunction.GetBody(log, responseData)
            return new JsonResult (responseBody)
        }
}