路由重复解决 Error: Avoided redundant navigation to current location

import Vue from 'vue'
import VueRouter from 'vue-router'

Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    name: 'login',
    component: () => import('../views/Login')
  },
  {
    path: '/home',
    name: 'home',
    component: () => import('../views/Home')
  }
]

const router = new VueRouter({
  routes
})

/**
 * 解决报错问题：报错显示是路由重复
 * Error: Avoided redundant navigation to current location
 */
const originalPush = VueRouter.prototype.push
VueRouter.prototype.push = function push(location) {
  return originalPush.call(this, location).catch(err => err)
}


// 全局导航守卫
router.beforeEach((to, from, next) => {
  if (to.path === '/login') return next()
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router