Write Modern Web Apps with the MEAN Modern Web Apps with the MEAN Stack Mongo, Express, AngularJS, and Node.js. DEVELOP AND DESIGN Write Modern Web Apps with the MEAN Stack Mongo, Express, AngularJS, and Node.js Jeff Dickey PEACHPIT PRESS ... 101 Chapter 8 ADDING ROUTING AND CLIENT AUTHENTICATION ..... 102 Routing ... Node.js. P

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Text of Write Modern Web Apps with the MEAN Modern Web Apps with the MEAN Stack Mongo, Express, AngularJS,...

  • Jeff Dickey

    DEVELOP AND DESIGN

    Write Modern Web Apps with the MEAN StackMongo, Express, AngularJS, and Node.js

  • DEVELOP AND DESIGN

    Write Modern Web Apps with the MEAN StackMongo, Express, AngularJS, and Node.js

    Jeff Dickey

    PEACHPIT PRESSWWW.PEACHPIT.COM

    http://WWW.PEACHPIT.COM

  • Write Modern Web Apps with the MEAN Stack: Mongo, Express, AngularJS, and Node.jsJeff Dickey

    Peachpit Presswww.peachpit.com

    To report errors, please send a note to errata@peachpit.comPeachpit Press is a division of Pearson Education.

    Copyright 2015 by Jeff Dickey

    Editor: Kim WimpsettProduction editor: David Van NessProofreader: Liz WelchTechnical editor: Joe ChellmanCompositor: Danielle FosterIndexer: Danielle FosterCover design: Aren StraigerInterior design: Mimi Heft

    Notice of RightsAll rights reserved. No part of this book may be reproduced or transmitted in any form by any means, electronic, mechani-cal, photocopying, recording, or otherwise, without the prior written permission of the publisher. For information on getting permission for reprints and excerpts, contact permissions@peachpit.com.

    Notice of LiabilityThe information in this book is distributed on an As Is basis, without warranty. While every precaution has been taken in the preparation of the book, neither the author nor Peachpit shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the instructions contained in this book or by the computer software and hardware products described in it.

    TrademarksMany of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and Peachpit was aware of a trademark claim, the designations appear as requested by the owner of the trademark. All other product names and services identified throughout this book are used in editorial fashion only and for the benefit of such companies with no intention of infringement of the trademark. No such use, or the use of any trade name, is intended to convey endorsement or other affiliation with this book.

    ISBN-13: 978-0-13-393015-3ISBN-10: 0-13-393015-7

    9 8 7 6 5 4 3 2 1

    Printed and bound in the United States of America

    http://www.peachpit.com

  • To Mom and Dad, for sometimes allowing me to sit inside all day on that computer

  • ABOUT THE AUTHORJeff Dickey is a full-stack web developer with years of startup experience in San Francisco and Los Angeles. Jeff has launched projects, maintained large systems, and led development teams. With more than 10 years of experience on all of the major web platforms, he is con-tinually searching for the latest technology for building applications. Currently Jeff works for Heroku as its first CLI developer. Jeff is also an instructor for General Assembly, teaching a course on back-end web development.

    iv About the Author

  • CONTENTSPreface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix

    Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

    Chapter 1 HOW MODERN WEB ARCHITECTURE IS CHANGING . . . . . . . . . . . 2The Rise of the Static App . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

    Enter the Thick Client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

    Chapter 2 WHY JAVASCRIPT IS A GOOD CHOICE FOR MODERN APPS . . . . 8What Is Angular.js? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

    What Is Node.js? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

    What Is Express? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

    What Is MongoDB? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

    Chapter 3 INTRODUCING THE SOCIAL NETWORKING PROJECT . . . . . . . . . 28Creating a Static Mockup of the Recent Posts Page . . . . . . . . . . . . . . . . . 30

    Angularizing the Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

    Adding New Posts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

    Next Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

    Chapter 4 BUILDING A NODE.JS API . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40The Stock Endpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

    Creating Posts via the API . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

    MongoDB Models with Mongoose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

    Using Mongoose Models with the POST Endpoint . . . . . . . . . . . . . . . . . . 46

    Next Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

    Chapter 5 INTEGRATING NODE WITH ANGULAR . . . . . . . . . . . . . . . . . . . . . . . . 50$http . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

    Reading Posts from the API with $http . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

    Serving posts.html Through Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

    Saving Posts to the API with $http . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

    Fixing the Post Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

    Cleaning Up server.js . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

    Cleaning Up Angular . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

    Next Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

    Contents v

  • Chapter 6 AUTOMATING YOUR BUILD WITH GULP . . . . . . . . . . . . . . . . . . . . . . 68Introducing Grunt and Gulp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

    Gulp Hello World . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

    Building JavaScript with Gulp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

    Building CSS with Gulp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

    Gulp Dev Task . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

    Other Gulp Plug-ins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

    Next Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

    Chapter 7 BUILDING AUTHENTICATION IN NODE.JS . . . . . . . . . . . . . . . . . . . . 86Introducing Token Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

    JSON Web Token (JWT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

    Using BCrypt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

    Authentication with MongoDB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

    Next Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

    Chapter 8 ADDING ROUTING AND CLIENT AUTHENTICATION . . . . . . . . . 102Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

    Creating a Login Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

    Express Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

    Angular Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

    Authenticating Social Posts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

    HTML5 Pushstate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

    Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

    Logout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

    Remember Me . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

    User Foreign Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

    Next Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

    Chapter 9 PUSHING NOTIFICATIONS WITH WEBSOCKETS