ant-design/components/empty/index.tsx

import * as React from 'react';
import classNames from 'classnames';

import { ConfigContext } from '../config-provider';
import { useLocale } from '../locale';
import DefaultEmptyImg from './empty';
import SimpleEmptyImg from './simple';
import useStyle from './style';

const defaultEmptyImg = <DefaultEmptyImg />;
const simpleEmptyImg = <SimpleEmptyImg />;

export interface TransferLocale {
  description: string;
}

export interface EmptyProps {
  prefixCls?: string;
  className?: string;
  rootClassName?: string;
  style?: React.CSSProperties;
  /** @since 3.16.0 */
  imageStyle?: React.CSSProperties;
  image?: React.ReactNode;
  description?: React.ReactNode;
  children?: React.ReactNode;
}

type CompoundedComponent = React.FC<EmptyProps> & {
  PRESENTED_IMAGE_DEFAULT: React.ReactNode;
  PRESENTED_IMAGE_SIMPLE: React.ReactNode;
};

const Empty: CompoundedComponent = ({
  className,
  rootClassName,
  prefixCls: customizePrefixCls,
  image = defaultEmptyImg,
  description,
  children,
  imageStyle,
  style,
  ...restProps
}) => {
  const { getPrefixCls, direction, empty } = React.useContext(ConfigContext);

  const prefixCls = getPrefixCls('empty', customizePrefixCls);
  const [wrapCSSVar, hashId, cssVarCls] = useStyle(prefixCls);

  const [locale] = useLocale('Empty');

  const des = typeof description !== 'undefined' ? description : locale?.description;
  const alt = typeof des === 'string' ? des : 'empty';

  let imageNode: React.ReactNode = null;

  if (typeof image === 'string') {
    imageNode = <img alt={alt} src={image} />;
  } else {
    imageNode = image;
  }

  return wrapCSSVar(
    <div
      className={classNames(
        hashId,
        cssVarCls,
        prefixCls,
        empty?.className,
        {
          [`${prefixCls}-normal`]: image === simpleEmptyImg,
          [`${prefixCls}-rtl`]: direction === 'rtl',
        },
        className,
        rootClassName,
      )}
      style={{ ...empty?.style, ...style }}
      {...restProps}
    >
      <div className={`${prefixCls}-image`} style={imageStyle}>
        {imageNode}
      </div>
      {des && <div className={`${prefixCls}-description`}>{des}</div>}
      {children && <div className={`${prefixCls}-footer`}>{children}</div>}
    </div>,
  );
};

Empty.PRESENTED_IMAGE_DEFAULT = defaultEmptyImg;
Empty.PRESENTED_IMAGE_SIMPLE = simpleEmptyImg;

if (process.env.NODE_ENV !== 'production') {
  Empty.displayName = 'Empty';
}

export default Empty;