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Learning Angular

Learning Angular - Third Edition

By : Aristeidis Bampakos, Pablo Deeleman
3.4 (16)
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Learning Angular

Learning Angular

3.4 (16)
By: Aristeidis Bampakos, Pablo Deeleman

Overview of this book

Angular, loved by millions of web developers around the world, continues to be one of the top JavaScript frameworks thanks to its regular updates and new features that enable fast, cross-platform, and secure frontend web development. With Angular, you can achieve high performance using the latest web techniques and extensive integration with web tools and integrated development environments (IDEs). Updated to Angular 10, this third edition of the Learning Angular book covers new features and modern web development practices to address the current frontend web development landscape. If you are new to Angular, this book will give you a comprehensive introduction to help you get you up and running in no time. You'll learn how to develop apps by harnessing the power of the Angular command-line interface (CLI), write unit tests, style your apps by following the Material Design guidelines, and finally deploy them to a hosting provider. The book is especially useful for beginners to get to grips with the bare bones of the framework needed to start developing Angular apps. By the end of this book, you’ll not only be able to create Angular applications with TypeScript from scratch but also enhance your coding skills with best practices.
Table of Contents (19 chapters)
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1
Section 1: Getting Started with Angular
4
Section 2: Components – the Basic Building Blocks of an Angular App
9
Section 3: User Experience and Testability
15
Section 4: Deployment and Practice

Enhancing navigation with advanced features

So far, we have covered basic routing, with route parameters as well as query parameters. The Angular router is quite capable, though, and able to do much more, such as the following:

  • Controlling access to a route
  • Preventing navigation away from a route
  • Preloading data to improve the UX
  • Lazy loading routes to speed up the response time
  • Providing artifacts to easily enable the debugging of the router behavior in an Angular 10 app

In the following sections, we will learn about all these techniques in more detail.

Controlling route access

When we want to prevent unauthorized access to a particular route, we use a specific Angular service called a guard. To create a guard, we use the generate command of the Angular CLI, passing the word guard and its name as parameters:

ng generate guard auth

When we execute the previous command, the Angular CLI asks which interfaces we would like our guard to implement...

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Learning Angular
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