ant-design/components/date-picker/generatePicker/generateRangePicker.tsx

import CalendarOutlined from '@ant-design/icons/CalendarOutlined';
import ClockCircleOutlined from '@ant-design/icons/ClockCircleOutlined';
import CloseCircleFilled from '@ant-design/icons/CloseCircleFilled';
import SwapRightOutlined from '@ant-design/icons/SwapRightOutlined';
import classNames from 'classnames';
import { RangePicker as RCRangePicker } from 'rc-picker';
import type { GenerateConfig } from 'rc-picker/lib/generate/index';
import * as React from 'react';
import { forwardRef, useContext, useImperativeHandle } from 'react';
import type { RangePickerProps } from '.';
import { Components, getTimeProps } from '.';
import { ConfigContext } from '../../config-provider';
import DisabledContext from '../../config-provider/DisabledContext';
import SizeContext from '../../config-provider/SizeContext';
import { FormItemInputContext } from '../../form/context';
import useLocale from '../../locale/useLocale';
import { useCompactItemContext } from '../../space/Compact';
import { getMergedStatus, getStatusClassNames } from '../../_util/statusUtils';
import warning from '../../_util/warning';
import enUS from '../locale/en_US';
import { getRangePlaceholder, transPlacement2DropdownAlign } from '../util';
import type { CommonPickerMethods, PickerComponentClass } from './interface';

import useStyle from '../style';

export default function generateRangePicker<DateType>(generateConfig: GenerateConfig<DateType>) {
  type InternalRangePickerProps = RangePickerProps<DateType> & {};
  type DateRangePickerProps = RangePickerProps<DateType> & {
    /**
     * @deprecated `dropdownClassName` is deprecated which will be removed in next major
     *   version.Please use `popupClassName` instead.
     */
    dropdownClassName?: string;
    popupClassName?: string;
  };

  const RangePicker = forwardRef<
    InternalRangePickerProps | CommonPickerMethods,
    DateRangePickerProps
  >((props, ref) => {
    const {
      prefixCls: customizePrefixCls,
      getPopupContainer: customGetPopupContainer,
      className,
      placement,
      size: customizeSize,
      disabled: customDisabled,
      bordered = true,
      placeholder,
      popupClassName,
      dropdownClassName,
      status: customStatus,
      ...restProps
    } = props;

    const innerRef = React.useRef<RCRangePicker<DateType>>(null);
    const { getPrefixCls, direction, getPopupContainer } = useContext(ConfigContext);
    const prefixCls = getPrefixCls('picker', customizePrefixCls);
    const { compactSize, compactItemClassnames } = useCompactItemContext(prefixCls, direction);
    const { format, showTime, picker } = props as any;
    const rootPrefixCls = getPrefixCls();

    const [wrapSSR, hashId] = useStyle(prefixCls);

    let additionalOverrideProps: any = {};
    additionalOverrideProps = {
      ...additionalOverrideProps,
      ...(showTime ? getTimeProps({ format, picker, ...showTime }) : {}),
      ...(picker === 'time' ? getTimeProps({ format, ...props, picker }) : {}),
    };

    // =================== Warning =====================
    if (process.env.NODE_ENV !== 'production') {
      warning(
        !dropdownClassName,
        'DatePicker.RangePicker',
        '`dropdownClassName` is deprecated. Please use `popupClassName` instead.',
      );
    }

    // ===================== Size =====================
    const size = React.useContext(SizeContext);
    const mergedSize = compactSize || customizeSize || size;

    // ===================== Disabled =====================
    const disabled = React.useContext(DisabledContext);
    const mergedDisabled = customDisabled ?? disabled;

    // ===================== FormItemInput =====================
    const formItemContext = useContext(FormItemInputContext);
    const { hasFeedback, status: contextStatus, feedbackIcon } = formItemContext;

    const suffixNode = (
      <>
        {picker === 'time' ? <ClockCircleOutlined /> : <CalendarOutlined />}
        {hasFeedback && feedbackIcon}
      </>
    );

    useImperativeHandle(ref, () => ({
      focus: () => innerRef.current?.focus(),
      blur: () => innerRef.current?.blur(),
    }));

    const contextLocale = useLocale('Calendar', enUS);

    const locale = { ...contextLocale, ...props.locale! };

    return wrapSSR(
      <RCRangePicker<DateType>
        separator={
          <span aria-label="to" className={`${prefixCls}-separator`}>
            <SwapRightOutlined />
          </span>
        }
        disabled={mergedDisabled}
        ref={innerRef}
        dropdownAlign={transPlacement2DropdownAlign(direction, placement)}
        placeholder={getRangePlaceholder(locale, picker, placeholder)}
        suffixIcon={suffixNode}
        clearIcon={<CloseCircleFilled />}
        prevIcon={<span className={`${prefixCls}-prev-icon`} />}
        nextIcon={<span className={`${prefixCls}-next-icon`} />}
        superPrevIcon={<span className={`${prefixCls}-super-prev-icon`} />}
        superNextIcon={<span className={`${prefixCls}-super-next-icon`} />}
        allowClear
        transitionName={`${rootPrefixCls}-slide-up`}
        {...restProps}
        {...additionalOverrideProps}
        className={classNames(
          {
            [`${prefixCls}-${mergedSize}`]: mergedSize,
            [`${prefixCls}-borderless`]: !bordered,
          },
          getStatusClassNames(
            prefixCls as string,
            getMergedStatus(contextStatus, customStatus),
            hasFeedback,
          ),
          hashId,
          compactItemClassnames,
          className,
        )}
        locale={locale.lang}
        prefixCls={prefixCls}
        getPopupContainer={customGetPopupContainer || getPopupContainer}
        generateConfig={generateConfig}
        components={Components}
        direction={direction}
        dropdownClassName={classNames(hashId, popupClassName || dropdownClassName)}
      />,
    );
  });

  return RangePicker as unknown as PickerComponentClass<DateRangePickerProps>;
}