数组转树

temp.js

const test = [
  "./home/analysis",
  "./home/boardTodo",
  "./home/dairy",
  "./home",
  "./home/todo",
  "./index",
  "./profile"
];

function solve(array) {
  const map = {};

  array.forEach((each) => save(each));

  return map['.']?.children;

  function save(path) {
    let current = map[path];

    if (!current) {
      current = { path: path.slice(1) };
      map[path] = current;
    }

    const pathList = path.split('/');
    pathList.pop();

    if (pathList.length) {
      const parent = save(pathList.join('/'));

      if (!parent.children?.length) {
        parent.children = [];
      }

      if (!parent.children.includes(current)) {
        parent.children.push(current);
      }
    }

    return current;
  }
}