Atalho pra requisições ajax com callback tudo bunitin

requisicao-ajax.js

function ajaxRequest(config, complete, success, error) {
  jQuery.ajax(config)
    .complete(function(jqXHR, textStatus) {
      if (jQuery.isFunction(complete)) {
        complete();
      }

      switch (textStatus) {
        case "error" :
        case "timeout" :
        case "abort" :
        case "parseerror" :
          if (jQuery.isFunction(error)) {
            error(jqXHR.responseText);
          }
          break;

        case "success" :
        case "notmodified" :
          if (jQuery.isFunction(success)) {
            success(jqXHR.responseText);
          }
          break;
      }
    });
}