ant-design/components/collapse/CollapsePanel.tsx

import * as React from 'react';
import RcCollapse from 'rc-collapse';
import classNames from 'classnames';
import { ConfigConsumer, ConfigConsumerProps } from '../config-provider';

export interface CollapsePanelProps {
  key: string;
  header: React.ReactNode;
  disabled?: boolean;
  className?: string;
  style?: React.CSSProperties;
  showArrow?: boolean;
  prefixCls?: string;
  forceRender?: boolean;
  id?: string;
}

export default class CollapsePanel extends React.Component<CollapsePanelProps, {}> {
  renderCollapsePanel = ({ getPrefixCls }: ConfigConsumerProps) => {
    const { prefixCls: customizePrefixCls, className = '', showArrow = true } = this.props;
    const prefixCls = getPrefixCls('collapse', customizePrefixCls);
    const collapsePanelClassName = classNames({
      [`${prefixCls}-no-arrow`]: !showArrow,
    }, className);
    return (
      <RcCollapse.Panel
        {...this.props}
        prefixCls={prefixCls}
        className={collapsePanelClassName}
      />
    );
  }

  render() {
    return (
      <ConfigConsumer>
        {this.renderCollapsePanel}
      </ConfigConsumer>
    );
  }
}