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Angular Design Patterns and Best Practices
Angular Design Patterns and Best Practices

Angular Design Patterns and Best Practices: Create scalable and adaptable applications that grow to meet evolving user needs

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Angular Design Patterns and Best Practices

Starting Projects the Right Way

Angular is a framework that has the motto “batteries included” as a development philosophy. This means that practically all the resources you need for your frontend application needs are already available as soon as you create a new project.

In this chapter, you will understand why choose Angular for your web application, what its main characteristics and design are, and why companies, especially the biggest ones, choose Angular as the main framework for developing single-page applications.

You will explore the technologies that make up the framework and thus take greater advantage of possible alternatives if you need them for a specific case. You’ll also set up your workspace with the best tools to help you and your team’s productivity.

In this chapter, we’re going to cover the following topics:

  • Why choose Angular?
  • What technologies are present in the ecosystem?
  • Configuring your development environment
  • Starting an Angular project
  • Using the Angular Command-Line Interface (CLI) for your productivity

By the end of this chapter, you will have arguments for using Angular in your project and be more productive in your development workspace.

Technical requirements

To follow the instructions in this chapter, you’ll need the following:

The code files for this chapter are available at .

Why choose Angular?

The choice of technology to be used in a given project is critical to its success. You, as a project developer or architect, must help your team in this mission by choosing the best tool for the job.

The Angular framework is one of the most used tools for building a single-page application, along with React and Vue. When choosing the right tool for the job, you need to answer why.

The following are some arguments for choosing Angular.

Batteries included

Angular is an opinionated framework, which means that the Angular development team has already made several choices of tools and solutions for every challenge that a web application can have. This way, you and your team don’t have to research which route engine or state management library you should use; it’s all included and configured for your project.

This feature also simplifies the onboarding of new developers in your team. Following the guidelines proposed by the documentation and using the best practices, Angular projects usually have the same structure and method of development. Knowing Angular you can quickly locate yourself in any ongoing project.

Google support

Angular was created and maintained by the Angular team at Google. Although excellent frameworks such as Vue.js and Svelte are maintained only by their communities, having such a big tech company supporting the framework brings security to the choice of technology, especially for large companies.

In addition, Angular is used in more than 300 internal applications and Google products, which means stability and quality because, before each new version of the framework is released, it is validated in all these applications.

The Angular team has strived since version 13 to increase transparency within the community by releasing a roadmap (https://angular.io/guide/roadmap) detailing all the improvements in progress and what to expect for the future of the framework, giving you peace of mind that it will be supported for years to come.

Community

Technology is only as alive as the community that supports it, and Angular has a huge one. Meetups, podcasts, events, articles, and videos – the Angular community has many resources to help developers.

The people who make up this community also have the important contribution of giving feedback, creating and correcting issues in Angular. As it is an open source project, everyone is invited to evaluate and contribute to the code.

The Angular team also asks the community for help with major framework decisions through Requests for Comment (RFCs).

In addition, the community creates many libraries that expand the possibilities of the framework, such as NgRx (https://ngrx.io/) for advanced state management and Transloco (https://ngneat.github.io/transloco/) to support internationalization, among others.

Tooling

One of the differentiating factors of Angular compared to its competitors is the focus from the beginning on tooling and developer experience. The Angular CLI tool is a powerful productivity tool that we will explore in this chapter, which is used far beyond the simple creation and setup of a project.

From a testing point of view, Angular is already equipped and configured with Karma as a test runner and Jasmine as a configuration tool. Angular’s tooling already configures the project build using webpack and already has a dev server.

The tool is also extensible, allowing the community to create routines for configuring and updating their libraries.

With these arguments, you will be able to base your choice of Angular on your project; let’s see now which technologies make up the framework’s ecosystem.

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Key benefits

  • Boost your Angular app development productivity by leveraging often-overlooked advanced features and best practices
  • Enhance the quality of your Angular applications by simplifying code
  • Gain practical knowledge through real-world examples of advanced Angular features and design patterns
  • Purchase of the print or Kindle book includes a free PDF eBook

Description

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.

Who is this book for?

Whether you’re a web developer or a tech leader engaged in frontend development, be it for small-scale projects or large, complex systems, you’ll find this book useful to enhance both the quality and performance of your applications. Web architects seeking to design robust and adaptable frontend applications while leveraging Angular's extensive feature set will discover valuable insights within these pages.

What you will learn

  • Discover effective strategies for organizing your Angular project for enhanced efficiency
  • Harness the power of TypeScript to boost productivity and the overall quality of your Angular project
  • Implement proven design patterns to streamline the structure and communication between components
  • Simplify complex applications by integrating micro frontend and standalone components
  • Optimize the deployment process for top-notch application performance
  • Leverage Angular signals and standalone components to create performant applications

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Publication date : Feb 02, 2024
Length: 270 pages
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Language : English
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Table of Contents

18 Chapters
Part 1: Reinforcing the Foundations Chevron down icon Chevron up icon
Chapter 1: Starting Projects the Right Way Chevron down icon Chevron up icon
Chapter 2: Organizing Your Application Chevron down icon Chevron up icon
Chapter 3: TypeScript Patterns for Angular Chevron down icon Chevron up icon
Chapter 4: Components and Pages Chevron down icon Chevron up icon
Chapter 5: Angular Services and the Singleton Pattern Chevron down icon Chevron up icon
Part 2: Leveraging Angular’s Capabilities Chevron down icon Chevron up icon
Chapter 6: Handling User Inputs: Forms Chevron down icon Chevron up icon
Chapter 7: Routes and Routers Chevron down icon Chevron up icon
Chapter 8: Improving Backend Integrations: the Interceptor Pattern Chevron down icon Chevron up icon
Chapter 9: Exploring Reactivity with RxJS Chevron down icon Chevron up icon
Part 3: Architecture and Deployment Chevron down icon Chevron up icon
Chapter 10: Design for Tests: Best Practices Chevron down icon Chevron up icon
Chapter 11: Micro Frontend with Angular Elements Chevron down icon Chevron up icon
Chapter 12: Packaging Everything – Best Practices for Deployment Chevron down icon Chevron up icon
Chapter 13: The Angular Renaissance Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

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Rating distribution
Full star icon Full star icon Full star icon Full star icon Half star icon 4.4
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5 star 64.3%
4 star 21.4%
3 star 7.1%
2 star 7.1%
1 star 0%
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Joshua Maia Rodrigues Jul 11, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Feefo Verified review Feefo
Evie Zouras Mar 19, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I've been developing in Angular for over 7 years. The biggest issue I see are those who know javascript and hack their way into developing an application. If individuals took the time to read a book like this, long term, there would less issues with large scale applications. Applications would be faster and more scalable. For this reason,I highly recommend this book.
Amazon Verified review Amazon
Alexander Makeev Mar 04, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Got this book for free. I definitely recommend it for beginner developers learning Angular. It contains practical examples for mastering basic skills in Angular and slightly covers the basics of TypeScript. The learning process follows the step-by-step principle of developing a demo application, including integration with Backend and deployment with CI/CD tools. Each topic is described with clear and trivial examples, following best practices and architectural patterns. Angular developers with experience are unlikely to find something new.
Amazon Verified review Amazon
UD Feb 16, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
The book is really great for the beginners. It will make a solid foundation of Angular amongst the readers as it contains clarity in the basics. I would strongly recommend this book for newcomers. Being a CS student, it really helped me get equipped with the tools to build an application from the scratch.
Amazon Verified review Amazon
Robert Mar 15, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I found this book to be well-written and engaging. As a Front End developer, I have experience writing in Angular and found many takeaways from this book.One thing I appreciated is the thorough use of Typescript. From types, to interfaces, and using classes to serialize data in a type-safe way, I felt that the author not only understood Angular but the underlying OOP principles that guide in its development.There are many practical activities as well. He not only writes code, but creates projects and mini projects to help the reader understand concepts and how they can be used in a practical development environment. He even gets to micro-frontends and guides the reader through development. The use of standalone components and Tailwind CSS really helped me understand new concepts to the Frontend world.Finally, the book goes through some of the more recent developments in Angular, including signals and the new control flow syntax. These are important concepts that help developers stay up-to-date with emerging Frontend technologies.Overall, this is an excellent read for a novice to intermediate developer with Angular. There is a lot that can be gleaned from the material and used in production enterprise applications.
Amazon Verified review Amazon
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