filter.js

const data = [
  { title: "(root)", id: 0, childIds: [1, 7, 10] },
  {
    title: "Vendors and Program",
    id: 1,
    open: false,
    checked: false,
    childIds: [2, 5],
  },
  {
    title: "Veeam",
    id: 2,
    open: false,
    checked: false,
    childIds: [3, 4],
    parentId: 1,
  },
  {
    title: "Pro Partner",
    id: 3,
    open: false,
    checked: false,
    parentId: 2,
    childIds: [],
  },
  {
    title: "Pro Partner Subscriber",
    id: 4,
    open: false,
    checked: false,
    parentId: 2,
    childIds: [],
  },
  {
    title: "VMWare",
    id: 5,
    open: false,
    checked: false,
    childIds: [6],
    parentId: 1,
  },
  {
    title: "Support and Subscriber",
    id: 6,
    open: false,
    checked: false,
    parentId: 5,
    childIds: [],
  },
  {
    title: "End User Type",
    id: 7,
    open: false,
    checked: false,
    childIds: [8, 9],
  },
  {
    title: "Academic",
    id: 8,
    open: false,
    checked: false,
    parentId: 7,
    childIds: [],
  },
  {
    title: "Educational",
    id: 9,
    open: false,
    checked: false,
    parentId: 7,
    childIds: [],
  },
  { title: "Date", id: 10, open: false, checked: false, childIds: [] },
];