RxJS Cookbook for Reactive Programming

Discover 40+ real-world solutions for building async, event-driven web apps

By: Nikola Mitrovi?

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eText | 28 March 2025 | Edition Number 1

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Build scalable, efficient applications with seamless async data handling and blazing-fast user experience by unleashing reactive programming with Angular

Key Features

Master RxJS observables, operators, and subjects to improve your reactive programming skills
Explore advanced concepts like error handling, state management, PWA, real-time, and event-driven systems
Enhance reactive skills with modern web programming techniques, best practices, and real-world examples
Purchase of the print or Kindle book includes a free PDF eBook

Book Description

Building modern web applications that are responsive and resilient is essential in this rapidly evolving digital world. Imagine effortlessly managing complex data streams and creating seamless user experiences—this book helps you do just that by adopting RxJS to boost your development skills and transform your approach to reactive programming. Written by a seasoned software engineer and consultant with a decade of industry experience, this book equips you to harness the power of RxJS techniques, patterns, and operators tailored for real-world scenarios. Each chapter is filled with practical recipes designed to tackle a variety of challenges, from managing side effects and ensuring error resiliency in client applications to developing real-time chat applications and event-driven microservices. You'll learn how to integrate RxJS with popular frameworks, such as Angular and NestJS, gaining insights into modern web development practices that enhance performance and interactivity. By the end of this book, you'll have mastered reactive programming principles, the RxJS library, and working with Observables, while crafting code that reacts to changes in data and events in a declarative and asynchronous way.

What you will learn

Manage error handling, side effects, and event orchestration in your Angular and NestJS applications
Use RxJS to build stunning, interactive user interfaces with Angular
Apply Angular testing strategies to ensure the reliability of your RxJS-powered applications
Optimize the performance of RxJS streams
Enhance progressive web app experiences with RxJS and Angular
Apply RxJS principles to build state management in Angular
Craft reactive and event-driven microservices in NestJS

Who this book is for

This book is ideal for intermediate-to-advanced JavaScript developers who want to adopt reactive programming principles using RxJS. Whether you're working with Angular or NestJS, you'll find recipes and real-world examples that help you leverage RxJS for managing asynchronous operations and reactive data flows across both your frontend and backend.