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Angular Cookbook

Angular Cookbook

By : Muhammad Ahsan Ayaz
4 (13)
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Angular Cookbook

Angular Cookbook

4 (13)
By: Muhammad Ahsan Ayaz

Overview of this book

Angular has long been the framework of choice for web development projects of various scales, offering much-needed stability and a rich tooling ecosystem for building production-ready web and mobile apps. This recipe-based guide ensures high performance apps with the latest version of Angular, helping you to build up your Angular expertise with a wide range of recipes across key tasks in web development. In this second edition, the recipes have been updated, added, and improved based on developer feedback, new challenges, and Angular 17. The first few chapters will show you how to utilize core Angular concepts such as components, directives, and services to get you ready for building frontend web apps. You’ll then develop web components with Angular and go on to learn about advanced concepts such as dynamic components loading and state management with NgRx for achieving real-time performance. Later chapters will focus on recipes for effectively testing your Angular apps to make them fail-safe, before progressing to techniques for optimizing your app’s performance. Finally, you’ll create Progressive Web Apps (PWA) with Angular to provide an intuitive experience for users. By the end of this book, you’ll be able to create full-fledged, professional-looking Angular apps and have the skills you need for frontend development.
Table of Contents (16 chapters)
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14
Other Books You May Enjoy
15
Index

Testing form inputs and submission

If you’re building a web app, there’s a high chance that you’re going to have at least one form in it, and when it comes to forms, we need to make sure that we have the right User Experience (UX) and the right business logic in place. What better way to make sure everything works as expected than writing E2E tests for them? In this recipe, we’re going to test a form using Cypress and validate if the correct errors are being shown in appropriate situations.

Getting ready

The app that we are going to work with resides in start/apps/chapter11/ng-cy-forms inside the cloned repository. However, the e2e tests are in the folder start/apps/chapter11/ng-cy-forms-e2e. In this recipe, we’re going to modify files in both folders. Let’s run the e2e tests first by following these steps:

  1. Open the code repository in your code editor.
  2. Open the terminal, navigate to the code repository directory, and...

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