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Mastering Reactive JavaScript

Mastering Reactive JavaScript

By : Erich de Souza Oliveira
3.5 (4)
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Mastering Reactive JavaScript

Mastering Reactive JavaScript

3.5 (4)
By: Erich de Souza Oliveira

Overview of this book

If you’re struggling to handle a large amount of data and don’t know how to improve your code readability, then reactive programming is the right solution for you. It lets you describe how your code behaves when changes happen and makes it easier to deal with real-time data. This book will teach you what reactive programming is, and how you can use it to write better applications. The book starts with the basics of reactive programming, what Reactive Extensions is, and how can you use it in JavaScript along with some reactive code using Bacon. Next, you’ll discover what an Observable and an Observer are and when to use them.You'll also find out how you can query data through operators, and how to use schedulers to react to changes. Moving on, you’ll explore the RxJs API, be introduced to the problem of data traffic (backpressure), and see how you can mitigate it. You’ll also learn about other important operators that can help improve your code readability, and you’ll see how to use transducers to compose operators. At the end of the book, you’ll get hands-on experience of using RxJs, and will create a real-time web chat using RxJs on the client and server, providing you with the complete package to master RxJs.
Table of Contents (12 chapters)
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What this book covers

Chapter 1, What Does Being Reactive Mean?, explains the basics of reactive programming and how it compares with imperative programming, and also shows some example usage.

Chapter 2, Reacting for the First Time, covers the basics of event streams and operators using bacon.js.

Chapter 3, A World Full of Change - Reactive Extensions to the Rescue, in this chapter we explore the definitions and types of Observers and Observables.

Chapter 4, Transforming Data - Map, Filter, and Reduce, covers the most basic and important operators from functional reactive programming.

Chapter 5, The World Changes Too Fast - Operators to Deal with Backpressure, explains different techniques to mitigate the problem of receiving data faster than you can process it.

Chapter 6, Too Many Sources? - Combining Observables, teaches you to combine different sources of data to create new ones.

Chapter 7, Something Is Wrong - Testing and Dealing with Errors, explains how to deal with errors in observables and how to test programs using functional reactive programming.

Chapter 8, More about Operators, shows some important operators that did not fit into the previous chapters.

Chapter 9, Composition, explains what a transducer is and why you should use it.

Chapter 10, A Real-Time Server, builds the backend part of an web chat application used as an example of functional reactive programming.

Chapter 11, A Real-Time Client, builds the frontend part of an web chat application used as an example of functional reactive programming.

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