Standalone Components
Introduction
Section titled “Introduction”Standalone components are components that don’t need to be declared in an NgModule. They manage their own dependencies by directly importing what they need. Introduced in Angular 14 and became the default in Angular 17.
Why do we need this?
Section titled “Why do we need this?”NgModules added complexity and boilerplate. Standalone components eliminate the need for NgModule files, making Angular more approachable for beginners and reducing boilerplate for experienced developers.
Real-world analogy
Section titled “Real-world analogy”Think of NgModules as company departments. Every employee had to belong to a department. Standalone components are like freelancers — they work independently and import only what they need directly.
Deep Explanation
Section titled “Deep Explanation”@Component({ selector: 'app-example', standalone: true, // No NgModule needed imports: [CommonModule, FormsModule], // Import dependencies directly template: `<p>{{ message }}</p>`})export class ExampleComponent { message = 'Hello from standalone!';}
// Bootstrap without NgModulebootstrapApplication(AppComponent, { providers: [ provideRouter(routes), provideHttpClient() ]});Best Practices
Section titled “Best Practices”- Use standalone for all new components in Angular 17+
- Use provide* functions (provideRouter, provideHttpClient) instead of modules
- Lazy load with loadComponent() instead of loadChildren()
Summary
Section titled “Summary”Standalone components are the modern way to build Angular apps. They reduce boilerplate, simplify architecture, and are the recommended approach for Angular 17+.”