Node.js By Example

Krasimir Tsonev

• Publisher: Packt Publishing
• Year: 2015
• ISBN:
  9781784395711
• Topic: Computer Science
• Subtopic: Open Source Programming
• Index: Computer Science

Node.js By Example

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Table of Contents

Node.js By Example

Credits

About the Author

About the Reviewers

www.PacktPub.com

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Why subscribe?

Free access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Node.js Fundamentals

Understanding the Node.js architecture

Installing Node.js

Running Node.js server

Defining and using modules

Managing and distributing packages

Creating a module

Using modules

Updating our module

Introducing built-in modules

Creating a server with the HTTP module

Reading and writing to files

Working with events

Managing child processes

Summary

2. Architecting the Project

Introducing the basic layers of the application

The task runner and building system

Introducing Grunt

Discovering Gulp

Test-driven development

The Model-View-Controller pattern

Introducing the REST API concept

Summary

3. Managing Assets

Serving files with Node.js

CSS preprocessing

Packing client-side JavaScript

Concatenating with Gulp

Modularity in the browser with RequireJS

Moving from Node.js to the browser with Browserify

Delivering HTML templates

Defining the templates in script tags

Loading the template externally

Writing HTML inside the JavaScript

Precompiling templates

Summary

4. Developing the Model-View-Controller Layers

Evolving the current setup

Directory structure

Forming the main server handlers

Implementing the router

Introducing Ractive.js

Constructing the entry point of the application

Defining a controller

Managing our views

Creating a model

Summary

5. Managing Users

Working with the MongoDB database

Installing MongoDB

Running MongoDB

Connecting to the database server

Extending the code from the previous chapter

Updating our base model class

Updating page navigation and routing

Registering a new user

Updating the frontend

Updating the backend API

User authentication with sessions

Managing a user's profile

Summary

6. Adding Friendship Capabilities

Finding friends

Adding the search page

Writing the model

Fetching friends from the database

Marking users as friends

Displaying the linked users on the Profile page

Summary

7. Posting Content

Posting and storing text

Adding a form to post text messages

Introducing the content's model

Updating the controller of the home page

Storing content in the database

Showing the user's feed

Posting files

Summary

8. Creating Pages and Events

Refactoring the API

Adding a form to create pages

Creating a record in the database

Showing the currently added pages

Showing a specific page

Posting a comment to a page

Showing the comments

Managing events attached to a particular page

Summary

9. Tagging, Sharing, and Liking

Selecting friends and sending their IDs to the backend

Storing the tagged users and displaying them in the user's feed

Sharing a post

Liking posts and counting the number of likes

Showing the number of likes

Summary

10. Adding Real-time Chat

Getting to know WebSockets

Bringing Socket.IO to the project

Preparing the UI of the chat area

Exchanging messages between the client and the server

Sending messages to the user's friends only

Customizing the output of the chat

Summary

11. Testing the User Interface

Introducing the basic testing toolset

The testing framework

The assertion library

Runner

Preparing our project to run tests

Running our test with PhantomJS

Testing user registration

Simulating user interaction

Filling and submitting the registration form

Tweaking the code's execution order

Listening to the form-submitted event

Testing with DalekJS

Installing DalekJS

Using the DalekJS API

Summary

Index

Node.js By Example

Copyright © 2015 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

First published: May 2015

Production reference: 1190515

Published by Packt Publishing Ltd.

Livery Place

35 Livery Street

Birmingham B3 2PB, UK.

ISBN 978-1-78439-571-1

www.packtpub.com

Credits

Author

Krasimir Tsonev

Reviewers

Danny Allen

Alex (Shurf) Frenkel

Commissioning Editor

Akram Hussain

Acquisition Editors

Purav Motiwalla

Llewellyn Rozario

Content Development Editor

Shubhangi Dhamgaye

Technical Editor

Mrunal M. Chavan

Copy Editor

Vedangi Narvekar

Project Coordinator

Harshal Ved

Proofreaders

Stephen Copestake

Safis Editing

Indexer

Priya Sane

Production Coordinator

Shantanu N. Zagade

Cover Work

Shantanu N. Zagade

About the Author

Krasimir Tsonev is a coder with over 10 years of experience in web development. The author of Node.js Blueprints, Packt Publishing, he works with a strong focus on quality and usability. Krasimir is interested in delivering cutting-edge applications. He enjoys working in the software industry and has a passion for creating and discovering new and effective digital experiences. Right now, he is working with technologies such as HTML5/CSS3, JavaScript, PHP, and Node.js, but he originally started out as a graphic designer. Later, being a Flash developer, he spent several years using ActionScript3 and frameworks such as RobotLegs. After that, as a freelancer, he continued to deliver full-stack web services for his clients, taking care of the graphic design and frontend and backend programming. Right now, with the rise of mobile application development, Krasimir is enthusiastic about working on responsive applications that target various devices. He currently lives and works in Bulgaria. He graduated from the Technical University of Varna with both a bachelor's and a master's degree in computer science. He loves blogging, writing books, and giving talks on the latest trends in web development.

He has authored Node.js Blueprints, Packt Publishing (https://www.packtpub.com/web-development/nodejs-blueprints).

I want to thank my family, who supported me in the last several months.

About the Reviewers

Danny Allen is a full-stack web developer who focuses on usability, user experience, localization, and accessibility issues as the founder and director of the international user experience development consultancy Wonderscore Ltd.

Skilled in a wide range of backend and frontend technologies including Python, Django, JavaScript, Node.js, as well as HTML5/CSS3, his recent work has involved the design and implementation of e-learning and government projects in the United Kingdom.

His portfolio and contact details can be found at http://dannya.uk.

Alex (Shurf) Frenkel has worked in the field of web application development since 1998 (the beginning of PHP 3.X) and has extensive experience in system analysis and project managemen...