function findAndCollectData(result, titleValue) {
  return result
    .map(item => {
      const matchesCurrent = item.formName.includes(titleValue);
      let matchedChildren = [];
      if (item.children && item.children.length > 0) {
        matchedChildren = findAndCollectData(item.children, titleValue);
      }
      if (matchesCurrent || matchedChildren.length > 0) {
        return {
          ...item, // 返回原始项
          children: matchedChildren // 保留匹配的 children
        };
      }
      return null;
    })
    .filter(item => item !== null); 
}

result是数据源

titleValue是搜索条件