weseek__growi/packages/app/src/components/Theme/utils/ThemeInjector.tsx

import React from 'react';

type Props = {
  children: JSX.Element,
  className: string,
  bgImageNode?: React.ReactNode,
}

export const ThemeInjector = ({ children, className: themeClassName, bgImageNode }: Props): JSX.Element => {
  const className = `${children.props.className ?? ''} ${themeClassName}`;
  return React.cloneElement(children, { className }, [
    <div key="grw-bg-image-wrapper" className="grw-bg-image-wrapper">{bgImageNode}</div>,
    children.props.children,
  ]);
};