CoffeeScript Programming With jQuery, Rails, and Node.js by Erasmus, Michael -- Read -- Imperial Library of Trantor

Index

CoffeeScript Programming with jQuery, Rails, and Node.js

Table of Contents CoffeeScript Programming with jQuery, Rails, and Node.js Credits About the Author About the Reviewers www.PacktPub.com

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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. Why CoffeeScript?

CoffeeScript syntax

Semicolons and braces Whitespace Parenthesis

CoffeeScript has great function syntax

Return isn't required Function arguments Where did the var keyword go?

CoffeeScript handles scope better

Top level var keywords

CoffeeScript has better object syntax

Inheritance Overwhelmed? Extending prototypes

A few other things CoffeeScript fixes

Reserved words and object syntax String concatenation Equality The existential operator

List comprehensions

The while loop

Conditional clauses and logical aliases Array slicing and splicing Destructuring or pattern matching => and @ Switch statements Chained comparisons Block strings, block comments, and strings Summary

2. Running CoffeeScript

The CoffeeScript stack Node.js and npm Node.js, npm, and CoffeeScript on Windows Installing CoffeeScript on a Mac

Using the Apple installer Using Homebrew Installing CoffeeScript with npm

Installing CoffeeScript on Linux

Ubuntu and MintOS Debian Other distributions Installing CoffeeScript with npm

Building Node.js from source

Building on Linux or Unix Building on Windows

Using CoffeeScript The coffee command

The REPL Running .coffee files Compiling to JavaScript Watching Putting it all together

Summary

3. CoffeeScript and jQuery

Finding and changing elements

The $ function

Utility functions Ajax methods Using jQuery Using CoffeeScript and jQuery in the browser

Compiling CoffeeScript jQuery and CoffeeScript Testing it all Running a local web server

Our application

TodoMVC Our initial HTML Initializing our app Adding a to-do item

Using localStorage

Displaying the to-do items Showing the to-do items Removing and completing items Now, it's your turn!

Summary

4. CoffeeScript and Rails

What makes Rails special?

Convention over configuration Don't repeat yourself (DRY)

Rails and JavaScript Rails and CoffeeScript Installing Rails

Installing Rails using RailsInstaller Installing Rails using RVM Got Rails installed?

Developing our Rails application

MVC Running our application Our todo_items resource routes.rb The controller The view The CSS Our model Migrations The Rails console Displaying the items in our view using ERB Creating a partial Adding new items Let's try and add a to-do item Adding a CoffeeScript view CoffeeScript in the asset pipeline Completing the to-do items Removing tasks Now, it's your turn

Summary

5. CoffeeScript and Node.js

Node is event-driven Node is fast and scalable Node is not Rails Node and CoffeeScript "Hello World" in Node Express WebSocket Jade Our application Let's get started

package.json Installing our modules Creating our app Running our application

Creating a view node-supervisor The to-do list view

Middleware Our stylesheet

The client side Adding collaboration Creating the collaboration UI WebSocket on the client WebSocket on the server Joining a list

The UI Leaving a list Testing it all

Adding to-do items to a shared list Removing to-do items from a shared list

Now, it's your turn

Summary

Index

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