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Getting Started with
Twitter Flight
Build scalable, modular JavaScript applications
with the Twitter Flight framework
Tom Hamshere
BIRMINGHAM - MUMBAI
www.it-ebooks.info
Getting Started with Twitter Flight
Copyright © 2013 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: October 2013
Production Reference: 1101013
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham B3 2PB, UK.
ISBN 978-1-78328-095-7
www.packtpub.com
Cover Image by Aniket Sawant (
aniket_sawant_photography@hotmail.com
)
www.it-ebooks.info
Credits
Author
Tom Hamshere
Reviewers
Cameron Hunter
Katsuya Noguchi
Andrey Popp
Simon Smith
Veturi JV Subramanyeswari
Acquisition Editors
Sam Birch
Andrew Duckworth
Commissioning Editor
Subho Gupta
Technical Editors
Pratik More
Anusri Ramchandran
Indexer
Hemangini Bari
Graphics
Yuvraj Mannari
Production Coordinator
Manu Joseph
Cover Work
Manu Joseph
Project Coordinator
Amey Sawant
Proofreader
Jonathan Todd
www.it-ebooks.info
Foreword
You might not be able to tell by using it but the frontend of twitter.com is incredibly
complex. Back in 2011, this complexity was growing at an exponential rate as we
added features. Our client- side code was essentially a proto MVC application, built
long before frameworks such as Backbone.js and Ember.js had become popular, so
was far from spaghetti code but, nevertheless, the multitude of relationships between
these models, views, and controllers was almost impossible for one engineer to fully
understand.
In order to make a change in one part of the code base, our engineers needed
to understand every reference made to that piece of code in the application. If
JavaScript was statically typed, we’d have been able to rely on that to help us, as
it was all too easy to make a trivial update to one part of the application but later,
much, much later, we discovered that this had broken a seemingly unrelated part
of the code base. I’m sure you’ve been there, done that, and lost your mind more
than once.
This was the situation that inspired us to create Flight.js. We wanted to be able to
create the complex client-side interactions that power great web applications while
retaining the simplicity of our code. Flight.js has massively improved the testability,
robustness, and maintainability of many of our web applications and now, with the
help of this book, we think you can, maybe, hopefully, save a little bit of sanity too.
Dan Webb
Web Core Engineering Manager at Twitter
www.it-ebooks.info

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