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Angular Design Patterns and Best Practices

Angular Design Patterns and Best Practices

By : Alvaro Camillo Neto
4.4 (14)
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Angular Design Patterns and Best Practices

Angular Design Patterns and Best Practices

4.4 (14)
By: Alvaro Camillo Neto

Overview of this book

Single page applications (SPAs) have become the standard for most web experiences. Angular, with its batteries-included approach, has emerged as a powerful framework for simplifying the development of these interfaces by offering a comprehensive toolbox. This book guides you through the Angular ecosystem, uncovering invaluable design patterns and harnessing its essential features. The book begins by laying a strong foundation, helping you understand when and why Angular should be your web development framework of choice. The next set of chapters will help you gain expertise in component design and architecting efficient, flexible, and high-performing communication patterns between components. You’ll then delve into Angular's advanced features to create forms in a productive and secure way with robust data model typing. You'll also learn how to enhance productivity using interceptors to reuse code for common functionalities, such as token management, across various apps. The book also covers micro frontend architecture in depth to effectively apply this architectural approach and concludes by helping you master the art of crafting tests and handling errors effortlessly. By the end of this book, you'll have unlocked the full potential of the Angular framework.
Table of Contents (19 chapters)
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1
Part 1: Reinforcing the Foundations
7
Part 2: Leveraging Angular’s Capabilities
12
Part 3: Architecture and Deployment

Measuring the performance of a request

As a development team, we must always seek to offer the best experience for our users, and, in addition to developing quality products, we must allow the application to be monitored to maintain quality during production.

There are several tools available on the market, and many of them need some level of instrumentation to accurately measure the user experience. We will develop a simpler telemetry example, but it can be applied to the monitoring tool your team uses.

Using the Angular CLI, we will create a new interceptor:

ng g interceptor telemetry/telemetry

In the file generated by the Angular CLI, we will develop our interceptor:

@Injectable()
export class TelemetryInterceptor implements HttpInterceptor {
  intercept(
    request: HttpRequest<unknown>,
    next: HttpHandler
  ): Observable<HttpEvent<unknown>> {
    if (request.headers...

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