How do I implement routing guards in Vue.js?

How do I implement routing guards in Vue.js?

To implement routing guards in Vue.js, you can use the beforeEach method in your router configuration. This allows you to define logic that runs before a route is entered.

Can you give me an example of a simple authentication guard?

Sure! Here's a basic example:

const router = new VueRouter({
  routes: [
    { path: '/protected', component: ProtectedComponent, meta: { requiresAuth: true } },
    // other routes
  ]
});

router.beforeEach((to, from, next) => {
  const isAuthenticated = // your logic to check authentication;
  if (to.matched.some(record => record.meta.requiresAuth) && !isAuthenticated) {
    next({ path: '/login' });
  } else {
    next();
  }
});

What if I want to add a loading spinner while checking authentication?

You can manage a loading state in your component and set it to true before the authentication check starts, then set it to false once the check is complete. You can use a global state management solution like Vuex to handle this.

Are there any built-in guards in Vue Router?

Yes, Vue Router provides built-in guards like beforeEnter, beforeRouteEnter, and beforeRouteLeave that you can use for more specific route handling.