mock.mjs

import buildTree from "./index.js"

const dataSource = [
  {
    id: 1,
    parentId: undefined,
    groupName: {
      name: '经理1',
      count: 10
    },
  },
  {
    id: 2,
    parentId: null,
    groupName: {
      name: '经理2',
      count: 1
    },
  },
  {
    id: 3,
    parentId: 0,
    groupName: {
      name: '经理3',
      count: 2
    },
  },
  {
    id: 4,
    parentId: 1,
    groupName: {
      name: '主管1',
      count: 4
    },
  },
  {
    id: 5,
    parentId: 1,
    groupName: {
      name: '主管2',
      count: 6
    },
  },
  {
    id: 6,
    parentId: 4,
    groupName: {
      name: '小组1',
      count: 4
    },
  },
  {
    id: 7,
    parentId: 5,
    groupName: {
      name: '小组2',
      count: 4
    },
  },
  {
    id: 8,
    parentId: 2,
    groupName: {
      name: '主管3',
      count: 0
    },
  },
  {
    id: 9,
    parentId: 3,
    groupName: {
      name: '主管4',
      count: 0
    },
  },
];

const result = '[{"id":1,"groupName":{"name":"经理1","count":10},"children":[{"id":4,"parentId":1,"groupName":{"name":"主管1","count":4},"children":[{"id":6,"parentId":4,"groupName":{"name":"小组1","count":4}}]},{"id":5,"parentId":1,"groupName":{"name":"主管2","count":6},"children":[{"id":7,"parentId":5,"groupName":{"name":"小组2","count":4}}]}]},{"id":2,"parentId":null,"groupName":{"name":"经理2","count":1},"children":[{"id":8,"parentId":2,"groupName":{"name":"主管3","count":0}}]},{"id":3,"parentId":0,"groupName":{"name":"经理3","count":2},"children":[{"id":9,"parentId":3,"groupName":{"name":"主管4","count":0}}]}]';

console.log(JSON.stringify(buildTree(dataSource)) === result);