docs: function sortObjectSchema(object, options) {
    var sort = {asc: sortAsc, desc: sortDesc},
        keys = Object.keys(object),
        outputObject = {};
  
    if (options.sort) {
      keys.sort(sort[options.sort]);
    }
  
    keys.forEach(function(key, index) {
      if (isObjectObject(object[key])) {
        object[key] = sortObjectSchema(object[key], options);
      }
      outputObject[keys[index]] = object[keys[index]];
    });
  
    return outputObject;
  }