Vue Router navigation guards allow you to guard navigations by redirecting or canceling. Global before guards (router.beforeEach) are commonly used to enforce login requirements.
Vue Router Navigation Guards
Protect routes and verify authentication tokens before navigation.
Key Takeaways: Vue Router Navigation Guards
Mastering Vue Router Navigation Guards helps you write clean and reliable Vue.js code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.
Vue Router Navigation Guards Code Example
Vue.jsrouter.beforeEach((to, from, next) => {
const isAuthenticated = Boolean(localStorage.getItem("token"));
if (to.meta.requiresAuth && !isAuthenticated) {
next({ name: "Login" });
} else {
next();
}
});Output
Redirects unauthenticated visitors to login route
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