ant-design/components/date-picker/index.tsx

import type { Dayjs } from 'dayjs';
import dayjsGenerateConfig from 'rc-picker/lib/generate/dayjs';
import genPurePanel from '../select/PurePanel';
import type {
  PickerDateProps,
  PickerProps,
  RangePickerProps as BaseRangePickerProps,
} from './generatePicker';
import generatePicker from './generatePicker';

export type DatePickerProps = PickerProps<Dayjs>;
export type MonthPickerProps = Omit<PickerDateProps<Dayjs>, 'picker'>;
export type WeekPickerProps = Omit<PickerDateProps<Dayjs>, 'picker'>;
export type RangePickerProps = BaseRangePickerProps<Dayjs>;

const DatePicker = generatePicker<Dayjs>(dayjsGenerateConfig);

// We don't care debug panel
/* istanbul ignore next */
const PurePanel = genPurePanel(DatePicker, 'picker');
(DatePicker as any)._InternalPanelDoNotUseOrYouWillBeFired = PurePanel;

export default DatePicker as typeof DatePicker & {
  _InternalPanelDoNotUseOrYouWillBeFired: typeof PurePanel;
};