text: import router from './router';
  import store from './store';
  import { Message } from 'element-ui';
  import NProgress from 'nprogress'; // progress bar
  import 'nprogress/nprogress.css'; // progress bar style
  import { getToken } from '@/utils/auth'; // get token from cookie
  import getPageTitle from '@/utils/get-page-title';
  
  NProgress.configure({ showSpinner: false }); // NProgress Configuration
  
  const whiteList = ['/login']; // no redirect whitelist
  
  router.beforeEach(async (to, from, next) => {
    // start progress bar
    NProgress.start();
  
    // set page title
    document.title = getPageTitle(to.meta.title);
  
    // determine whether the user has logged in
    const hasToken = getToken();
  
    if (hasToken) {
      if (to.path === '/login') {
        // if is logged in, redirect to the home page
        next({ path: '/' });
        NProgress.done();
      } else {
        const hasGetUserInfo = store.getters.name;
        if (hasGetUserInfo) {
          next();
        } else {
          try {
            // get user info
            // await store.dispatch('user/getInfo')
  
            next();
          } catch (error) {
            // remove token and go to login page to re-login
            await store.dispatch('user/resetToken');
            Message.error(error || 'Has Error');
            next(`/login?redirect=${to.path}`);
            NProgress.done();
          }
        }
      }
    } else {
      /* has no token*/
  
      if (whiteList.indexOf(to.path) !== -1) {
        // in the free login whitelist, go directly
        next();
      } else {
        // other pages that do not have permission to access are redirected to the login page.
        next(`/login?redirect=${to.path}`);
        NProgress.done();
      }
    }
  });
  
  router.afterEach(() => {
    // finish progress bar
    NProgress.done();
  });
  