What is an Angular Authentication Guard?
An Angular Authentication Guard is a service that determines whether a user can access a route in an Angular application.
How do I implement an Authentication Guard in my Angular app?
You can implement it by creating a guard service using the CanActivate
interface and then applying it to your routes.
Can you show me a code example?
Sure! Here's a simple example:
import { Injectable } from '@angular/core';
import { CanActivate, Router } from '@angular/router';
@Injectable({ providedIn: 'root' })
export class AuthGuard implements CanActivate {
constructor(private router: Router) {}
canActivate(): boolean {
const isAuthenticated = // your logic here;
if (!isAuthenticated) {
this.router.navigate(['/login']);
return false;
}
return true;
}
}
What are the different types of guards in Angular?
In Angular, there are several types of guards: CanActivate
, CanActivateChild
, CanDeactivate
, Resolve
, and CanLoad
.
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