fixes Implement CanActivate guard #3

src/app/auth/auth.guard.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { AuthGuard } from './auth.guard';
+
+describe('AuthGuard', () => {
+  let guard: AuthGuard;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    guard = TestBed.inject(AuthGuard);
+  });
+
+  it('should be created', () => {
+    expect(guard).toBeTruthy();
+  });
+});

src/app/auth/auth.guard.ts

@@ -0,0 +1,27 @@
+import { Injectable } from '@angular/core';
+import { CanActivate, Router, UrlTree } from '@angular/router';
+import { Observable } from 'rxjs';
+import { tap } from 'rxjs/operators';
+import { AuthService } from './auth.service';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class AuthGuard implements CanActivate {
+  constructor(
+    private readonly authService: AuthService,
+    private readonly router: Router
+  ) {}
+
+  canActivate():
+    | Observable<boolean | UrlTree>
+    | Promise<boolean | UrlTree>
+    | boolean
+    | UrlTree {
+    return this.authService.isLoggedIn$.pipe(
+      tap((isLoggedIn) =>
+        isLoggedIn ? true : this.router.navigate(['non-auth'])
+      )
+    );
+  }
+}

src/app/users/users.component.spec.ts

@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { UsersComponent } from './users.component';
+
+describe('UsersComponent', () => {
+  let component: UsersComponent;
+  let fixture: ComponentFixture<UsersComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ UsersComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(UsersComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/users/users.component.ts

@@ -0,0 +1,17 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+
+@Component({
+  selector: 'app-users',
+  template: `
+    <mat-card>
+      <h2>Users</h2>
+      <p>
+        Lorem ipsum dolor sit amet consectetur adipisicing elit. Adipisci hic
+        libero ratione soluta consequuntur quam illum exercitationem aut maiores
+        voluptatem minus quisquam in, eos, et aperiam error ducimus cum officia?
+      </p>
+    </mat-card>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class UsersComponent {}