text: import CalendarLocale from 'rc-calendar/es/locale/en_US';
  import TimePickerLocale from '../../time-picker/locale/en_US';
  import assign from 'object-assign';
  // Merge into a locale object
  var locale = {
      lang: assign({
          placeholder: 'Wybierz datę',
          rangePlaceholder: ['Data początkowa', 'Data końcowa']
      }, CalendarLocale),
      timePickerLocale: assign({}, TimePickerLocale)
  };
  // All settings at:
  // https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json
  export default locale;