Book Image

Advanced Node.js Development

By : Andrew Mead
2 (1)
Book Image

Advanced Node.js Development

2 (1)
By: Andrew Mead

Overview of this book

Advanced Node.js Development is a practical, project-based book that provides you with all you need to progress as a Node.js developer. Node is a ubiquitous technology on the modern web, and an essential part of any web developer’s toolkit. If you're looking to create real-world Node applications, or you want to switch careers or launch a side-project to generate some extra income, then you're in the right place. This book was written around a single goal: turning you into a professional Node developer capable of developing, testing, and deploying real-world production applications. There's no better time to dive in. According to the 2018 Stack Overflow Survey, Node is in the top ten for back-end popularity and back-end salary. This book is built from the ground up around the latest version of Node.js (version 9.x.x). You'll be learning all the cutting-edge features available only in the latest software versions. This book delivers advanced skills that you need to become a professional Node developer. Along this journey you'll create your own API, you'll build a full real-time web app and create projects that apply the latest Async and Await technologies. Andrew Mead maps everything out for you in this book so that you can learn how to build powerful Node.js projects in a comprehensive, easy-to-follow package designed to get you up and running quickly.
Table of Contents (17 chapters)
Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
Index

Sending messages to room only


In the last section, we wired up that People list making sure that as new users come and go the list gets updated. In this section, we're going to make sure that our text and location messages only get sent to users in the same room. Currently, it gets sent to everybody. We can prove that by opening up a new connection, I'm going to use Mike and we're going to join a different room, The Office Fans works. When I join the room you can see that the People lists are indeed correct, a user in one room does not update the People list for a user in another room. The difference though is that the text messages do not follow those rules, neither do the location-based messages:

We'll have a text message and a location message as well, if I go over to the chat app for the other room we get both of those. And this is a problem. We also have the name problem, currently User displays for the text message and Admin displays for the location message, we want to make sure to...