Web_BLS_ProjectConsole/src/frontend/router/index.js

import { createRouter, createWebHistory } from 'vue-router'
import MainView from '../views/MainView.vue'
import SidebarView from '../views/SidebarView.vue'

const routes = [
  {
    path: '/',
    name: 'main',
    components: {
      sidebar: SidebarView,
      main: MainView
    }
  }
]

const router = createRouter({
  history: createWebHistory(),
  routes
})

export default router