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Angular

Angular Complete Tutorial (119 Topics with RxJS, Forms, Signals & Final Project)

Complete Angular tutorial covering CLI, components, routing, HttpClient, RxJS, forms, signals, NgRx, Material, SSR, testing, and a final Angular web application.

August 21, 2026 By malekimtiyajmca@gmail.com 20 min read

This complete Angular tutorial covers 119 topics — from CLI and components to routing, RxJS, forms, signals, NgRx, Material, SSR, and a final Angular web application.

Course roadmap

1. Introduction to Angular

Angular is a TypeScript-based framework for building scalable web apps. This series covers CLI setup, components, templates, DI, routing, HTTP/RxJS, forms, signals, NgRx, Material, testing, SSR, and a complete final Angular application.

  1. Install Node and create an Angular app.
  2. Learn components, routing, and HTTP.
  3. Build the final Angular application.

Learning path

CLI + TypeScript + components
Templates, directives, pipes, DI
Routing + HTTP + RxJS
Forms + signals + state
Material, auth, testing, SSR
Final Angular web app

2. What is Angular?

Angular (by Google) is opinionated compared with library-first stacks like React.

Angular at a glance

TypeScript-first
Components + templates
Dependency injection
Router + HttpClient
CLI + schematics
Signals + RxJS

3. Features of Angular

Strong typing, AOT compilation, and first-party libraries speed up large apps.

Feature highlights

CLI scaffolding
AOT & tree-shaking
Reactive forms
HttpClient interceptors
Route guards & lazy loading
Angular Material / CDK

4. Angular vs React vs Vue

Angular is a full framework; React is a UI library; Vue is progressive with gentle defaults.

Quick compare

Angular → framework, TypeScript, DI
React → library, flexible ecosystem
Vue → progressive, approachable SFC
Pick by team skills & project scale

5. Angular Architecture

Data flows through templates, inputs/outputs, and injectable services.

Architecture layers

Components (UI)
Templates + binding
Services + DI
Router
HttpClient / state
Platform (browser/server)

6. Angular CLI Installation

Keep CLI version aligned with your project’s Angular major version.

  1. Install Node.js LTS.
  2. Install @angular/cli.
  3. Verify with ng version.

Install CLI

npm install -g @angular/cli
ng version

7. Node.js and npm Setup for Angular

Use an LTS Node version supported by your Angular release.

Verify

node -v
npm -v

8. Creating Your First Angular Project

Choose routing and stylesheet format during prompts (or pass flags).

  1. Run ng new.
  2. Install deps if needed.
  3. Serve and open the app.

Scaffold

ng new my-app
cd my-app
ng serve --open

9. Angular Project Structure

Keep feature folders scalable: pages, shared, core.

Typical structure

src/main.ts
src/app/
  app.ts / app.config.ts
  app.routes.ts
  features/
  shared/
public/
angular.json

10. Angular CLI Commands

Use ng build, ng test, and ng lint in day-to-day workflows.

Common commands

ng g c features/home
ng g s core/api
ng g g auth/auth
ng build
ng test

11. TypeScript Basics for Angular

Angular apps are TypeScript-first — weak typing slows you down later.

TS tip

let/const + types
interfaces & type aliases
classes & access modifiers
modules import/export
generics basics

12. Variables and Data Types in TypeScript

Prefer unknown over any for safer narrowing.

Types

let title: string = 'Home';
let count: number = 0;
let tags: string[] = ['angular'];
let id: string | number;

13. Functions and Classes in TypeScript

Angular components and services are classes (or functions in newer patterns).

Class sketch

class User {
  constructor(public name: string) {}
  greet(): string {
    return 'Hello ' + this.name;
  }
}

14. Interfaces and Types in TypeScript

Use interfaces for public APIs; unions/intersections with type.

Interface

interface Product {
  id: number;
  name: string;
  price?: number;
}

15. Angular Components

Prefer small, focused components composed into pages.

Component idea

Selector
Template
Styles
Inputs / outputs
Lifecycle hooks

16. Creating Components in Angular

Standalone components import their own dependencies.

Generate

ng generate component features/product-card
# or: ng g c features/product-card

17. Angular Component Structure

Keep templates thin; move logic to services when shared.

Component sketch

@Component({
  selector: 'app-hello',
  standalone: true,
  template: `<h1>{{ title }}</h1>`,
})
export class HelloComponent {
  title = 'Hello Angular';
}

18. Component Lifecycle in Angular

Put setup in constructors carefully; prefer lifecycle hooks for DOM/async work.

Lifecycle idea

create → inputs set
change detection cycles
destroy → cleanup
hooks map to these phases

19. Angular Lifecycle Hooks

Unsubscribe / destroy refs in ngOnDestroy (or use DestroyRef).

Hooks tip

ngOnInit(): void { /* fetch / init */ }
ngOnChanges(changes: SimpleChanges): void { /* input changes */ }
ngOnDestroy(): void { /* cleanup */ }

20. Angular Templates

Templates compile with AOT — invalid bindings fail at build time.

Template tip

HTML + bindings
Directives & pipes
Control flow (@if/@for or *ngIf)
Event handlers

21. Angular Template Syntax

Prefer new control flow (@if, @for) on modern Angular versions.

Syntax map

{{ expr }} interpolation
[prop]="expr" property
(event)="handler()" event
[(ngModel)] two-way
@if / @for control flow

22. Interpolation in Angular

Keep expressions simple; heavy logic belongs in the class or pipes.

Interpolation

<h1>{{ title }}</h1>
<p>{{ user?.name }}</p>

23. Property Binding in Angular

Bind to DOM properties, not attributes, unless using attr.

Property binding

<img [src]="imageUrl" [alt]="title" />
<button [disabled]="isLoading">Save</button>

24. Event Binding in Angular

Pass $event when you need the native event object.

Event binding

<button (click)="save()">Save</button>
<input (input)="onType($event)" />

25. Two-Way Data Binding in Angular

FormsModule (or form directives) required for ngModel.

Two-way

<input [(ngModel)]="name" name="name" />
<p>Hello {{ name }}</p>

26. Angular Directives

Components are directives with templates; attribute directives change appearance/behavior.

Directive types

Components
Structural (*ngIf, @if, @for)
Attribute (ngClass, ngStyle, custom)

27. Structural Directives in Angular

Track @for items with a track expression for performance.

Control flow

@if (user) {
  <p>{{ user.name }}</p>
} @else {
  <p>Guest</p>
}

@for (item of items; track item.id) {
  <li>{{ item.name }}</li>
}

28. Attribute Directives in Angular

Prefer classes for styling when possible.

ngClass

<div [ngClass]="{ active: isOn, disabled: !isOn }">Panel</div>

29. Custom Directives in Angular

Use directives for reusable DOM behavior without a full component.

Directive sketch

@Directive({ selector: '[appHighlight]', standalone: true })
export class HighlightDirective {
  @HostBinding('style.backgroundColor') bg = '#ecfdf5';
}

30. Pipes in Angular

Pipes are for presentation — not for business mutations.

Pipe idea

{{ price | currency:'USD' }}
{{ createdAt | date:'medium' }}

31. Built-in Pipes in Angular

AsyncPipe subscribes to Observables/Promises and unsubscribes automatically.

Built-in tip

{{ users$ | async }}
{{ title | uppercase }}
{{ 0.25 | percent }}

32. Custom Pipes in Angular

Mark pure: false only when you must detect mutable input changes.

Custom pipe

@Pipe({ name: 'truncate', standalone: true })
export class TruncatePipe implements PipeTransform {
  transform(value: string, limit = 20): string {
    return value.length > limit ? value.slice(0, limit) + '…' : value;
  }
}

33. Services in Angular

Keep components thin; put API and domain rules in services.

Service idea

@Injectable({ providedIn: 'root' })
API clients
State holders
Utilities with DI

34. Dependency Injection in Angular

providedIn: "root" creates app-wide singletons by default.

DI tip

constructor(private api: ApiService) {}
// or
private readonly api = inject(ApiService);

35. Creating Custom Services in Angular

Return Observables/Signals from services for components to consume.

Service sketch

@Injectable({ providedIn: 'root' })
export class ProductService {
  private http = inject(HttpClient);
  getAll() {
    return this.http.get<Product[]>('/api/products');
  }
}

36. Angular Modules

New apps often use standalone components — still know modules for legacy code.

NgModule tip

declarations / imports / exports
providers
bootstrap (root module)
Migrate gradually to standalone

37. Standalone Components in Angular

This is the modern Angular default path.

Standalone tip

@Component({
  standalone: true,
  imports: [RouterLink, CurrencyPipe],
  templateUrl: './product.html',
})
export class ProductComponent {}

38. Angular Routing

Map URLs to components and nested layouts.

Routes sketch

export const routes: Routes = [
  { path: '', component: HomeComponent },
  { path: 'about', component: AboutComponent },
  { path: '**', component: NotFoundComponent },
];

39. Route Configuration in Angular

Keep route config centralized as the app grows.

Config tip

path + component
redirectTo / pathMatch
loadChildren / loadComponent
data & title
canActivate guards

40. RouterLink in Angular

Prefer RouterLink over href for SPA navigation.

RouterLink

<a routerLink="/products" routerLinkActive="active">Products</a>
<a [routerLink]="['/products', product.id]">Details</a>

41. Route Parameters in Angular

Subscribe carefully or use snapshot when params won’t change in-place.

Params tip

// route: products/:id
this.route.paramMap.subscribe((p) => {
  const id = p.get('id');
});

42. Query Parameters in Angular

Use queryParams / queryParamsHandling on navigate.

Query params

this.router.navigate(['/products'], {
  queryParams: { page: 2 },
  queryParamsHandling: 'merge',
});

43. Nested Routes in Angular

Parent component hosts child routes via a nested <router-outlet>.

Nested tip

Parent path + children[]
Parent template has router-outlet
Child paths relative to parent

44. Child Routes in Angular

Index routes fill the parent outlet by default.

Children sketch

{
  path: 'admin',
  component: AdminLayoutComponent,
  children: [
    { path: '', component: AdminHomeComponent },
    { path: 'users', component: UsersComponent },
  ],
}

45. Lazy Loading in Angular

Cuts initial bundle size for large apps.

Lazy load

{
  path: 'admin',
  loadChildren: () =>
    import('./admin/admin.routes').then((m) => m.ADMIN_ROUTES),
}

46. Route Guards in Angular

Functional guards are the modern style.

Guard tip

export const authGuard: CanActivateFn = () => {
  const auth = inject(AuthService);
  return auth.isLoggedIn() || inject(Router).createUrlTree(['/login']);
};

47. Authentication Guards in Angular

Combine with HTTP interceptors for API tokens.

Auth guard idea

Check session/token
Allow or redirect to /login
Store returnUrl query param
Role checks in separate guard

48. HTTP Client in Angular

Prefer typed responses and centralized error handling.

HttpClient tip

private http = inject(HttpClient);
this.http.get<Product[]>('/api/products');

49. HTTP GET Requests in Angular

Use AsyncPipe or explicit subscribe with teardown.

GET

this.http.get<Item[]>('/api/items', {
  params: { q: 'angular' },
});

50. HTTP POST Requests in Angular

Set headers when the API expects custom content types.

POST

this.http.post<Item>('/api/items', { name: 'Notebook' });

51. HTTP PUT Requests in Angular

Idempotent updates belong on PUT/PATCH by API design.

PUT

this.http.put<Item>(`/api/items/${id}`, item);

52. HTTP DELETE Requests in Angular

Handle 204 empty responses without assuming a JSON body.

DELETE

this.http.delete(`/api/items/${id}`);

53. REST API Integration in Angular

Keep DTO types aligned with backend contracts.

REST tip

One service per resource area
Typed DTOs
Central base URL via interceptor/env
Loading & error UX in UI

54. HTTP Interceptors in Angular

Functional interceptors are the modern HttpClient API.

Interceptor idea

export const authInterceptor: HttpInterceptorFn = (req, next) => {
  const token = inject(AuthService).token;
  const authReq = token
    ? req.clone({ setHeaders: { Authorization: `Bearer ${token}` } })
    : req;
  return next(authReq);
};

55. Error Handling in Angular

Normalize API errors into a shared Error model.

catchError tip

this.http.get('/api/items').pipe(
  catchError((err) => {
    console.error(err);
    return of([]);
  })
);

56. RxJS Introduction for Angular

Think push-based values over time instead of one-off promises only.

RxJS idea

Observables produce values
Observers subscribe
Operators transform streams
Subjects are multicast

57. Observables in RxJS

HttpClient Observables are cold and complete after one response.

Observable tip

const sub = this.api.getAll().subscribe({
  next: (data) => (this.items = data),
  error: (err) => (this.error = err),
});
// unsubscribe in destroy / use async pipe / takeUntilDestroyed

58. Subscribers in RxJS

Prefer async pipe or signals to reduce manual subscriptions.

Subscriber tip

next → values
error → failures
complete → stream finished
Always plan teardown

59. Subjects in RxJS

Don’t expose raw Subjects publicly — expose asObservable().

Subject

private readonly refresh$ = new Subject<void>();
readonly refresh = this.refresh$.asObservable();
trigger() { this.refresh$.next(); }

60. BehaviorSubject in RxJS

Great for auth user and simple store-like services.

BehaviorSubject

private readonly user$ = new BehaviorSubject<User | null>(null);
readonly user = this.user$.asObservable();
setUser(u: User) { this.user$.next(u); }

61. RxJS Operators in Angular

Compose small operators instead of giant subscribe callbacks.

Operators tip

map / filter / tap
switchMap / mergeMap / concatMap
catchError / retry
debounceTime / distinctUntilChanged
takeUntilDestroyed

62. map, filter and tap in RxJS

tap is for logging/analytics — keep pure transforms in map.

map filter tap

this.http.get<User[]>('/api/users').pipe(
  tap((users) => console.log(users.length)),
  map((users) => users.map((u) => u.name)),
  filter((names) => names.length > 0)
);

63. switchMap in RxJS

Ideal for typeahead search and route-param driven fetches.

switchMap tip

this.route.paramMap.pipe(
  switchMap((p) => this.api.get(p.get('id')!))
);

64. mergeMap in RxJS

Use when parallel requests are intentional.

mergeMap tip

Concurrent inner subscriptions
Good for fan-out requests
Watch for request storms

65. concatMap in RxJS

Useful when order matters (sequential writes).

concatMap tip

Sequential inner subscriptions
Preserves order
Slower than mergeMap by design

66. catchError in RxJS

Re-throw with throwError when the UI must show failure.

catchError

pipe(
  catchError((err) => {
    this.notify.error('Load failed');
    return of([]);
  })
)

67. debounceTime in RxJS

Pair with distinctUntilChanged for efficient search.

debounceTime

this.searchControl.valueChanges.pipe(
  debounceTime(300),
  distinctUntilChanged(),
  switchMap((q) => this.api.search(q || ''))
);

68. Angular Forms

Reactive forms scale better for complex validation and dynamic fields.

Forms overview

Template-driven → ngModel
Reactive → FormControl/FormGroup
Validators
Submit handlers
Error UX

69. Template-Driven Forms in Angular

Fine for simple forms; import FormsModule.

Template-driven

<form #f="ngForm" (ngSubmit)="save(f)">
  <input name="email" ngModel required email />
  <button [disabled]="f.invalid">Save</button>
</form>

70. Reactive Forms in Angular

Import ReactiveFormsModule / provide form directives as needed.

Reactive sketch

form = this.fb.group({
  email: ['', [Validators.required, Validators.email]],
  name: ['', Validators.required],
});

71. Form Controls in Angular

Read valueChanges for reactive UX.

FormControl

email = new FormControl('', {
  nonNullable: true,
  validators: [Validators.required, Validators.email],
});

72. Form Groups in Angular

Nest groups for address blocks and repeatable lines.

FormGroup tip

profile = new FormGroup({
  name: new FormControl(''),
  address: new FormGroup({
    city: new FormControl(''),
  }),
});

73. Form Validation in Angular

Disable submit while invalid or pending async validation.

Validation UX

@if (form.controls.email.touched && form.controls.email.hasError('email')) {
  <p>Enter a valid email.</p>
}

74. Custom Validators in Angular

Reuse validators across FormControls.

Custom validator

export const bannedWord: ValidatorFn = (control) => {
  const v = String(control.value || '');
  return v.includes('test') ? { bannedWord: true } : null;
};

75. Dynamic Forms in Angular

Push/remove controls as the user adds rows.

FormArray tip

skills = this.fb.array<FormControl<string>>([]);
addSkill() { this.skills.push(this.fb.control('')); }

76. Form Submission in Angular

Mark all as touched to reveal errors on failed submit attempts.

Submit tip

onSubmit() {
  if (this.form.invalid) {
    this.form.markAllAsTouched();
    return;
  }
  this.api.create(this.form.getRawValue()).subscribe();
}

77. Angular Signals

signal(), computed(), and effect() reduce boilerplate vs some RxJS patterns.

signal

count = signal(0);
inc() { this.count.update((c) => c + 1); }

78. Signal-Based State Management in Angular

Expose readonly signals to consumers.

Signal store tip

private readonly _items = signal<Item[]>([]);
readonly items = this._items.asReadonly();
setItems(items: Item[]) { this._items.set(items); }

79. Computed Signals in Angular

Keep computed pure — no side effects.

computed

total = computed(() =>
  this.items().reduce((sum, i) => sum + i.price, 0)
);

80. Effects in Angular Signals

Use sparingly; prefer explicit calls for writes/API calls when clearer.

effect tip

effect(() => {
  console.log('count', this.count());
});

81. Angular State Management

Start simple; introduce NgRx when many features share complex state.

State options

Component signals
Service + BehaviorSubject/signals
NgRx store
Server state: keep in HTTP + cache layer

82. Services for State Management in Angular

Clear pattern for medium apps without NgRx ceremony.

Service state tip

providedIn root
private writable state
public readonly selectors
methods to update

83. NgRx Introduction

NgRx shines in large enterprise Angular apps.

NgRx pieces

Store
Actions
Reducers
Selectors
Effects

84. NgRx Store

Select slices with selectors to minimize re-renders.

Store tip

provideStore / forRoot
feature stores
select typed state
immutable updates

85. NgRx Actions and Reducers

Keep reducers pure — no HTTP inside reducers.

Action tip

export const loadItems = createAction('[Items] Load');
export const loadItemsSuccess = createAction(
  '[Items] Load Success',
  props<{ items: Item[] }>()
);

86. NgRx Effects

Dispatch success/failure actions from effects.

Effects tip

listen to actions
call services
map to new actions
catchError → failure action

87. Angular Material

Add Material via ng add @angular/material.

Material tip

ng add @angular/material

88. Angular CDK

CDK powers Material and custom design systems.

CDK areas

a11y
overlay
drag-drop
portal
scrolling / table primitives

89. Responsive UI Development in Angular

Use CDK layout observables or CSS container queries as appropriate.

Responsive tip

Mobile-first CSS
Angular Material grid/layout
Breakpoints via CDK Layout
Fluid images & touch targets

90. File Upload in Angular

Show progress with HttpEventType.UploadProgress when needed.

FormData upload

const body = new FormData();
body.append('file', file);
this.http.post('/api/upload', body);

91. Image Upload in Angular

Revoke object URLs on destroy to avoid leaks.

Preview tip

previewUrl = URL.createObjectURL(file);
// later: URL.revokeObjectURL(previewUrl);

92. Authentication and Authorization in Angular

Split authentication (who you are) from authorization (what you can do).

Auth pieces

Login/register UI
Token/session storage strategy
Auth service + signals
Guards + interceptors
Role claims

93. JWT Authentication in Angular

Clear auth state on 401; refresh tokens carefully.

Bearer tip

req.clone({
  setHeaders: { Authorization: `Bearer ${token}` },
});

94. Login and Registration in Angular

Disable double-submit; map server errors to fields.

Auth form tip

Reactive form validation
POST /login /register
Store token/session
Navigate to app home
Handle API errors

95. Role-Based Access Control in Angular

Always enforce authorization on the server too.

RBAC tip

roles on user profile
canActivate role guard
*ngIf / @if for buttons
server must re-check

96. Local Storage and Session Storage in Angular

Avoid storing secrets if XSS is possible; prefer httpOnly cookies for sessions.

Storage tip

localStorage.setItem('theme', 'dark');
sessionStorage.setItem('wizardStep', '2');

97. Cookies in Angular

Auth cookies should usually be HttpOnly + Secure + SameSite.

Cookie tip

HttpOnly for sessions
JS-readable only for non-sensitive prefs
CSRF strategy for cookie auth
Prefer backend-set cookies

98. Firebase with Angular

Lock down Firebase security rules — client code is not a security boundary.

Firebase tip

AngularFire
Auth state → signals/observables
Firestore streams
Storage uploads
Security rules required

99. Angular Animations

Respect prefers-reduced-motion for accessibility.

Animations tip

trigger / state / transition
query & stagger
route transition animations
reduced motion media query

100. Angular Testing

Prefer testing user-visible behavior over internals.

Test layers

Unit: services/pipes
Component: TestBed
E2E: Cypress/Playwright/Protractor legacy

101. Unit Testing with Jasmine in Angular

Karma traditionally runs Jasmine in Angular CLI projects (Jest also common).

Jasmine tip

describe('Math', () => {
  it('adds', () => {
    expect(1 + 2).toBe(3);
  });
});

102. Karma and Test Runners in Angular

ng test launches the configured runner.

ng test

ng test
ng test --watch=false --browsers=ChromeHeadless

103. Component Testing in Angular

Override providers to mock services.

TestBed tip

await TestBed.configureTestingModule({
  imports: [HelloComponent],
}).compileComponents();
const fixture = TestBed.createComponent(HelloComponent);
fixture.detectChanges();

104. End-to-End Testing in Angular

Keep e2e lean: login → core flow → logout.

E2E tip

Stable selectors
Seed data
Run against staging
Few high-value flows

105. Angular Performance Optimization

Profile first; use OnPush, lazy routes, and trackBy/@for track.

Perf checklist

OnPush + signals
Lazy routes
track in @for
Virtual scroll for long lists
Bundle budgets in angular.json

106. Change Detection in Angular

Async events trigger CD; avoid heavy work in templates.

CD tip

Default checks components
Zone.js patches async APIs
Signals integrate with CD
Keep templates light

107. OnPush Change Detection in Angular

Works great with immutable data and signals.

OnPush

@Component({
  changeDetection: ChangeDetectionStrategy.OnPush,
  // ...
})
export class ItemComponent {}

108. Lazy Loading and Code Splitting in Angular

Check budgets and source-map explorer for large chunks.

Split tip

loadComponent / loadChildren
Defer heavy Material modules
Analyze with build stats
Preload strategies optional

109. Angular Security Best Practices

Use HTTPS, CSRF strategies, and strict CSP where possible.

Security checklist

Avoid innerHTML with untrusted data
HttpOnly cookies preferred for sessions
Guards ≠ server authZ
Keep dependencies updated
Strict Content Security Policy

110. SEO with Angular

Client-only SPAs are weaker for crawlable content sites.

SEO tip

Title/Meta services
SSR/prerender for marketing pages
Fast LCP
Semantic HTML

111. Angular SSR

Watch for browser-only APIs during SSR (window/document).

SSR tip

Server render HTML
Hydrate on client
Guard browser APIs
Transfer state to avoid double fetch

112. Angular Universal / Server-Side Rendering

ng add @angular/ssr (modern) replaces older Universal setup flows.

Add SSR

ng add @angular/ssr

113. Angular Deployment

Configure SPA fallback routes for client routing on static hosts.

Deploy tip

ng build --configuration production
# deploy dist/ browser output (and server for SSR)

114. Environment Configuration in Angular

Never put secrets in frontend environment files.

Env tip

// environment.ts
export const environment = {
  production: false,
  apiUrl: 'http://localhost:3000/api',
};

115. Git and GitHub with Angular

Use PR checks: build + test.

Git tip

.gitignore node_modules dist .angular
Branch per feature
CI: ng test + ng build
Don't commit secrets

116. Debugging Angular Applications

Enable source maps in dev; profile CD when UI janks.

Debug toolkit

Angular DevTools
Browser Sources breakpoints
Network for HttpClient
Console errors
Router tracing (debug)

117. Angular Interview Questions

Be ready for DI, change detection, Observables vs signals, and forms.

Sample Q&A

Q: Component vs directive?
A: Components have templates; directives add behavior.

Q: Observable vs signal?
A: Streams over time vs synchronous reactive cells; both used in modern Angular.

Q: Why OnPush?
A: Skip CD when inputs are referentially equal.

118. Real-World Angular Project

Include routing, reactive forms, HTTP, and polished UI states.

Project ideas

Product catalog + cart
Admin CRUD dashboard
Issue tracker
Blog with SSR pages
Auth + profile settings

119. Final Project – Complete Angular Web Application

Ship a production-shaped app (e.g., task manager or recipe bookmarks): standalone Angular, routed features, auth + guards, HttpClient CRUD, reactive forms + validation, signals or service state, loading/error/empty states, optional Material UI, basic tests, environments, and deployment notes.

  1. Define routes and feature modules/folders.
  2. Implement auth + CRUD with forms.
  3. Polish states, guards, and interceptors.
  4. Test, document, and deploy the production build.

Final project scope

1. ng new standalone app + routing
2. Feature folders + lazy routes
3. Auth (login/register) + guards
4. CRUD feature with HttpClient
5. Reactive forms + validators
6. Signals or service state
7. Interceptor for auth/errors
8. Loading/error/empty UI
9. Unit tests for service/component
10. README + production build/deploy notes

Suggested structure

src/app/core
src/app/shared
src/app/features/auth
src/app/features/items
src/environments

Conclusion

You now have a full Angular path: components and DI, routing and HTTP/RxJS, forms and signals, and production topics like performance, security, and SSR. Finish the final Angular web application to turn the lessons into a portfolio-ready SPA.

Keep reading

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