Hi all,

I'm just beginning to get into Elm, and I encountered an issue.  My Elm app 
is making a POST request (Http.post) and when the server returns 400 or 
401, I get NetworkError instead of BadStatus which means that I cannot 
distinguish between error codes.

Looking at Javascript generated by the Elm compiler, I see:

function toTask(request, maybeProgress)
{
  // ...
  xhr.addEventListener('error', function() {
    callback(_elm_lang$core$Native_Scheduler.fail({ ctor: 'NetworkError' 
}));
  });
  xhr.addEventListener('timeout', function() {
    callback(_elm_lang$core$Native_Scheduler.fail({ ctor: 'Timeout' }));
  });
  xhr.addEventListener('load', function() {
    callback(handleResponse(xhr, request.expect.responseToResult));
  });
  // ...
}


For 400 and 401 responses, the browser triggers the listener for 'error'.  
Is there a way to have Elm generate a BadStatus in this case?

Best,
Michal

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