CoffeeScript Application Development Cookbook

368 Pages·2015·3.983 MB·English

by  Mike Hatfield

CoffeeScript Application
Development Cookbook
Over 90 hands-on recipes to help you develop engaging
applications using CoffeeScript
Mike Hatfield
BIRMINGHAM - MUMBAI
CoffeeScript Application Development
Cookbook
Copyright © 2015 Packt Publishing
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First published: March 2015
Production reference: 1260315
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham B3 2PB, UK.
ISBN 978-1-78328-969-1
www.packtpub.com
Cover image by Jason Hatfield ([email protected])
Credits
Author Project Coordinator
Mike Hatfield Harshal Ved
Reviewers Proofreaders
Becker Simran Bhogal
Paul Jensen Maria Gould
Alexey Smirnov Paul Hindle
Commissioning Editor Indexer
Martin Bell Monica Ajmera Mehta
Acquisition Editor Graphics
Rebecca Youé Abhinash Sahu
Content Development Editor Production Coordinator
Ajinkya Paranjape Conidon Miranda
Technical Editors Cover Work
Mrunal M. Chavan Conidon Miranda
Dennis John
Tanmayee Patil
Shiny Poojary
Copy Editors
Karuna Narayanan
Adithi Shetty
About the Author
Mike Hatfield has over 25 years of experience in developing custom business solutions for
a variety of clients and industries. With a focus on the ever-expanding Web, Mike has crafted
hundreds of web-based applications while spending the last couple of years developing
business solutions for the mobile web.
He is the chief technology officer at Nicom IT Solutions Inc., a large independent IT consulting
firm based in Halifax, Canada. As the CTO, Mike remains on the lookout for emerging trends in
the development industry to identify new opportunities for his clients.
With his wife, Tracy, and their three children, Chris, Jason, and Jennifer, he lives a quiet suburban
life while continually learning new technologies and satisfying his love of horror movies.
As a first-time author, my wife's support has played an integral part in
helping me see this book through to the end. Thank you Tracy, I could not
have done it without you.
About the Reviewers
Becker is a software engineer with expertise in the Ruby ecosystem. Passionate about
building products people love from the ground up, he can usually be found working with a
small team at a local start-up doing what he does best: writing code and making espresso!
Always open to learning new tools and technologies, Becker has become particularly
enamored with CoffeeScript based on its intuitive and clean structure and ease of use.
In his mind, CoffeeScript and Ruby are a perfect pairing for happy development! Becker
lives with his family in Seattle, Washington.
He has also a worked on CoffeeScript Application Development, Packt Publishing
(https://www.packtpub.com/web-development/coffeescript-application-
development).
Paul Jensen is the founder of Anephenix. He is also the lead developer of the SocketStream
web framework and the creator of Dashku, a real-time dashboard application.
Alexey Smirnov works as a software engineer in a cloud computing start-up company,
iRONYUN. He is broadly interested in web frameworks as well as iOS application development.
In his spare time, he builds websites for nonprofit organizations. Alexey got his master's
degree in computer science from Stony Brook University, USA.
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Table of Contents
Preface v
Chapter 1: Getting Ready 1
Introduction 1
Configuring your environment and tools 3
Configuring Sublime Text 4
Configuring Visual Studio 7
A quick dive into CoffeeScript 10
Debugging CoffeeScript using source maps 16
Debugging CoffeeScript using Node Inspector 18
Chapter 2: Starting with the Basics 21
Introduction 21
Working with strings 21
Working with numbers 32
Working with dates and times 39
Working with arrays 46
Working with classes 55
Dealing with the this keyword 61
Chapter 3: Creating Client Applications 65
Introduction 65
Working with jQuery 66
Working with Backbone 84
Working with AngularJS 96
Communicating in real time with Socket.io 115
Chapter 4: Using Kendo UI for Desktop and Mobile Applications 121
Introduction 121
Using the Kendo UI Core widgets 122
Using the Kendo UI Core mobile widgets 134
i
Table of Contents
Chapter 5: Going Native with Cordova 145
Introduction 145
Creating a basic Cordova application 146
Using the camera 147
Using geolocation 151
Using contacts 155
Getting device information 159
Chapter 6: Working with Databases 161
Introduction 161
Working with SQLite 161
Working with Redis 171
Working with MongoDB 181
Working with CouchDB 191
Chapter 7: Building Application Services 201
Introduction 201
Working with base64 encoding 201
Working with domain name services 204
Parsing a URL into its various components 208
Creating RESTful web services 210
Chapter 8: Using External Services 225
Introduction 225
Working with web services 225
Sending e-mail 231
Sending SMS and MMS messages 234
Working with Amazon's S3 storage 237
Transferring files via FTP 248
Chapter 9: Testing Our Applications 257
Introduction 257
Unit testing with QUnit 258
End-to-end testing with Mocha and Zombie.js 268
Stubbing and mocking with Sinon 274
Chapter 10: Hosting Our Web Applications 283
Introduction 283
Compiling our source with Grunt 283
Preparing deployments for staging and production 289
Deploying our application to Heroku 295
Deploying our application to Microsoft Azure 300
ii
Table of Contents
Chapter 11: Scripting for DevOps 309
Introduction 309
Executing shell commands with exec 310
Executing shell commands with spawn 312
Copying, moving, and deleting files and directories 315
Archiving files and directories 318
Parsing CSV files 320
Parsing fixed-width files 325
Padding and aligning output 330
Formatting dates with moment.js 333
Formatting numbers with accounting.js 335
Index 341
iii