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Mastering Reactive JavaScript

You're reading from   Mastering Reactive JavaScript Building asynchronous and high performing web apps with RxJS

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781786463388
Length 310 pages
Edition 1st Edition
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Author (1):
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Erich de Souza Oliveira Erich de Souza Oliveira
Author Profile Icon Erich de Souza Oliveira
Erich de Souza Oliveira
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Toc

Table of Contents (12) Chapters Close

Preface 1. What Does Being Reactive Mean? FREE CHAPTER 2. Reacting for the First Time 3. A World Full of Changes - Reactive Extensions to the Rescue 4. Transforming Data - Map, Filter, and Reduce 5. The World Changes Too Fast - Operators to Deal with Backpressure 6. Too Many Sources - Combining Observables 7. Something is Wrong - Testing and Dealing with Errors 8. More about Operators 9. Composition 10. A Real-Time Server 11. A Real-Time Client

Connecting user interactions and server communication

Now that we have already implemented the observable to listen to user interactions and also a way to communicate with the server, we must now implement three things:

  • A way for the user to provide their name
  • Send messages to the server when a user wishes
  • Show on the screen the incoming messages from the server

To implement this last part of our application that connects the user interactions with the server, we are going to implement the index.js file located in the client folder.

The first thing to implement this is to require the modules we need:

var Rx = require('rx'); 
var connection = require('./connection');
var events = require('./events');

With these three lines of code we require the RxJS module and the connection and events modules. Now we can ask a user for their name, and we will use a prompt for this:

var logged =...
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