ساخت درخت از دسته بندی‌ها با javascript

function recursive_lists(data) {
  const grouped = _.groupBy(data, (item) => item.parent);

  function childrenOf(parent) {
    return (grouped[parent] || []).map((item) => ({
      id: item.id,
      name: item. name,
      slug: item. slug,
      child: childrenOf(item.id),
    }));
  }

  return childrenOf(null);
};

[
    {
        "id": 1,
        "name": "موبایل",
        "slug": "mobile",
        "parent": null
    },
    {
        "id": 2,
        "name": "سامسونگ",
        "slug": "samsung",
        "parent": 1
    },
    {
        "id": 3,
        "name": "ماشین",
        "slug": "car",
        "parent": null
    },
    {
        "id": 4,
        "name": "پژو",
        "slug": "pegu",
        "parent": 3
    },
    {
        "id": 5,
        "name": "پژو ۲۰۶",
        "slug": "pegu206",
        "parent": 4
    },
    {
        "id": 6,
        "name": "پژو پارس",
        "slug": "pars",
        "parent": 4
    },
    {
        "id": 7,
        "name": "سایپا",
        "slug": "saipa",
        "parent": 3
    },
    {
        "id": 8,
        "name": "اپل",
        "slug": "apple",
        "parent": 1
    },
    {
        "id": 9,
        "name": "شیایومی",
        "slug": "mi",
        "parent": 1
    }
]

npm i lodash

import _ from "lodash";

export const recursive_lists = (data) => {
  const grouped = _.groupBy(data, (item) => item.parent);

  function childrenOf(parent) {
    return (grouped[parent] || []).map((item) => ({
      id: item.id,
      name: item. name,
      slug: item. slug,
      child: childrenOf(item.id),
    }));
  }

  return childrenOf(null);
};

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.20/lodash.min.js"></script>

function recursive_lists(data) {
  const grouped = _.groupBy(data, (item) => item.parent);

  function childrenOf(parent) {
    return (grouped[parent] || []).map((item) => ({
      id: item.id,
      name: item. name,
      slug: item. slug,
      child: childrenOf(item.id),
    }));
  }

  return childrenOf(null);
};