/**
 * 递归树
 * @param {*} data 文件名
 * @param {*} pid 父级id
 * @param key
 */
export function tree(data: any, pid = 0, key = 'pid') {
  const result = [];
  // eslint-disable-next-line no-restricted-syntax
  for (const i in data) {
    if (data[i][key] === pid) {
      const temp = data[i];
      const children = tree(data, data[i].id, key);
      if (children.length) {
        temp.children = children;
      }
      result.push(temp);
    }
  }

  return result;
}