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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

Dynamic configurations using value providers

In this recipe, you’ll learn how to use value providers in Angular to provide constants and config values to your app. We’ll start with the same example from the previous recipe, which involves EmployeeComponent and AdminComponent using the BucketComponent to manage a bucket of fruits. We will restrict the EmployeeComponent from deleting items from the bucket by using the configuration with a value provider. As a result, the employees won’t even see the Delete button.

Getting ready

The app that we are going to work with resides in start/apps/chapter03/ng-value-providers inside the cloned repository:

  1. Open the code repository in your code editor.
  2. Open the terminal, navigate to the code repository directory, and run the following command to serve the project:
    npm run serve ng-value-providers
    

    This should open the app in a new browser tab, and you should see the app as shown in...

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