erp/resources/frontend/src/router/index.js

import Vue from "vue";
import VueRouter from "vue-router";

Vue.use(VueRouter);

const createRouter = () =>
  new VueRouter({
    scrollBehavior: () => ({ y: 0 }),
  });

const router = createRouter();

router.beforeEach((to, from, next) => {
  if (localStorage.getItem("token")) {
    next();
  } else if (to.fullPath === "/logo") {
    next();
  } else {
    next("/logo");
  }
});

export default router;