getTypes($field) {
    const types = {
      type: $field.attr('type'),
    }
    const subtype = $('.fld-subtype', $field).val()

    if (subtype !== types.type) {
      types.subtype = subtype
    }

    return types
  }
Attempts to get element type and subtype

@param  {Object} $field
@return {Object} {type: 'fieldType', subtype: 'fieldSubType'}