vue-vben-admin/src/router/helper/menuHelper.ts

import { AppRouteModule } from '/@/router/types';
import type { MenuModule, Menu, AppRouteRecordRaw } from '/@/router/types';
import { findPath, treeMap } from '/@/utils/helper/treeHelper';
import { cloneDeep } from 'lodash-es';
import { isUrl } from '/@/utils/is';

export function getAllParentPath<T = Recordable>(treeData: T[], path: string) {
  const menuList = findPath(treeData, (n) => n.path === path) as Menu[];
  return (menuList || []).map((item) => item.path);
}

function joinParentPath(menus: Menu[], parentPath = '') {
  for (let index = 0; index < menus.length; index++) {
    const menu = menus[index];
    // https://next.router.vuejs.org/guide/essentials/nested-routes.html
    // Note that nested paths that start with / will be treated as a root path.
    // This allows you to leverage the component nesting without having to use a nested URL.
    if (!(menu.path.startsWith('/') || isUrl(menu.path))) {
      // path doesn't start with /, nor is it a url, join parent path
      menu.path = `${parentPath}/${menu.path}`;
    }
    if (menu?.children?.length) {
      joinParentPath(menu.children, menu.meta?.hidePathForChildren ? parentPath : menu.path);
    }
  }
}

// Parsing the menu module
export function transformMenuModule(menuModule: MenuModule): Menu {
  const { menu } = menuModule;

  const menuList = [menu];

  joinParentPath(menuList);
  return menuList[0];
}

export function transformRouteToMenu(routeModList: AppRouteModule[], routerMapping = false) {
  const cloneRouteModList = cloneDeep(routeModList);
  const routeList: AppRouteRecordRaw[] = [];

  cloneRouteModList.forEach((item) => {
    if (routerMapping && item.meta.hideChildrenInMenu && typeof item.redirect === 'string') {
      item.path = item.redirect;
    }
    if (item.meta?.single) {
      const realItem = item?.children?.[0];
      realItem && routeList.push(realItem);
    } else {
      routeList.push(item);
    }
  });
  const list = treeMap(routeList, {
    conversion: (node: AppRouteRecordRaw) => {
      const { meta: { title, hideMenu = false } = {} } = node;

      return {
        ...(node.meta || {}),
        meta: node.meta,
        name: title,
        hideMenu,
        path: node.path,
      };
    },
  });
  joinParentPath(list);
  return cloneDeep(list);
}