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Angular Cookbook

You're reading from   Angular Cookbook Over 80 actionable recipes every Angular developer should know

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Product type Paperback
Published in Dec 2023
Publisher Packt
ISBN-13 9781803233444
Length 536 pages
Edition 2nd Edition
Languages
Tools
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Author (1):
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Muhammad Ahsan Ayaz Muhammad Ahsan Ayaz
Author Profile Icon Muhammad Ahsan Ayaz
Muhammad Ahsan Ayaz
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Table of Contents (16) Chapters Close

Preface 1. Winning Component Communication 2. Working with Angular Directives and Built-In Control Flow FREE CHAPTER 3. The Magic of Dependency Injection in Angular 4. Understanding Angular Animations 5. Angular and RxJS – Awesomeness Combined 6. Reactive State Management with NgRx 7. Understanding Angular Navigation and Routing 8. Mastering Angular Forms 9. Angular and the Angular CDK 10. Writing Unit Tests in Angular with Jest 11. E2E Tests in Angular with Cypress 12. Performance Optimization in Angular 13. Building PWAs with Angular 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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