interface IndentProps { prefixCls: string; level: number; isStart: boolean[]; isEnd: boolean[]; } const Indent = ({ prefixCls, level, isStart, isEnd }: IndentProps) => { const baseClassName = `${prefixCls}-indent-unit`; const list = []; for (let i = 0; i < level; i += 1) { list.push( <span key={i} class={{ [baseClassName]: true, [`${baseClassName}-start`]: isStart[i], [`${baseClassName}-end`]: isEnd[i], }} />, ); } return ( <span aria-hidden="true" class={`${prefixCls}-indent`}> {list} </span> ); }; export default Indent;