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Angular Design Patterns and Best Practices

You're reading from   Angular Design Patterns and Best Practices Create scalable and adaptable applications that grow to meet evolving user needs

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Product type Paperback
Published in Feb 2024
Publisher Packt
ISBN-13 9781837631971
Length 270 pages
Edition 1st Edition
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Author (1):
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Alvaro Camillo Neto Alvaro Camillo Neto
Author Profile Icon Alvaro Camillo Neto
Alvaro Camillo Neto
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Table of Contents (19) Chapters Close

Preface 1. Part 1: Reinforcing the Foundations
2. Chapter 1: Starting Projects the Right Way FREE CHAPTER 3. Chapter 2: Organizing Your Application 4. Chapter 3: TypeScript Patterns for Angular 5. Chapter 4: Components and Pages 6. Chapter 5: Angular Services and the Singleton Pattern 7. Part 2: Leveraging Angular’s Capabilities
8. Chapter 6: Handling User Inputs: Forms 9. Chapter 7: Routes and Routers 10. Chapter 8: Improving Backend Integrations: the Interceptor Pattern 11. Chapter 9: Exploring Reactivity with RxJS 12. Part 3: Architecture and Deployment
13. Chapter 10: Design for Tests: Best Practices 14. Chapter 11: Micro Frontend with Angular Elements 15. Chapter 12: Packaging Everything – Best Practices for Deployment 16. Chapter 13: The Angular Renaissance 17. Index 18. Other Books You May Enjoy

Using a new way to create templates – control flow

Since version 2 of the framework, the HTML template syntax has remained relatively stable and without much evolution. By using custom properties, we can evaluate conditions and iterate over lists and other forms of flow control to create visualization logic in components. The *ngIf, *ngFor, and *ngSwitch directives are used to improve the developer experience, internally generating the elements in the HTML. You can read more about this in Chapter 4, Components and Pages.

Starting with version 17, the Angular team introduced a new form of control flow in HTML. The syntax in this version is in developer preview, which means that it is stable for production but may have changes in future versions. Let’s refactor our code to use the syntax and see the difference in practice.

In the app.component.html file, we will change the following:

@if (loadService.isLoading) {
  <app-loading-overlay />
}
&lt...
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