Node.js in Action

Node.js in Action, Second Edition
Praise for the First Edition
brief contents
contents
preface
acknowledgments
about this book
	Roadmap
	Code conventions and downloads
	Book Forum
about the author
about the cover illustration
Part 1 Welcome to Node
	1 Welcome to Node.js
		1.1 A typical Node web application
			1.1.1 Nonblocking I/O
			1.1.2 The event loop
		1.2 ES2015, Node, and V8
			1.2.1 Node and V8
			1.2.2 Working with feature groups
			1.2.3 Understanding Node’s release schedule
		1.3 Installing Node
		1.4 Node’s built-in tools
			1.4.1 npm
			1.4.2 The core modules
			1.4.3 The debugger
		1.5 The three main types of Node program
			1.5.1 Web applications
			1.5.2 Command-line tools and daemons
			1.5.3 Desktop applications
			1.5.4 Applications suited to Node
		1.6 Summary
	2 Node programming fundamentals
		2.1 Organizing and reusing Node functionality
		2.2 Starting a new Node project
			2.2.1 Creating modules
		2.3 Fine-tuning module creation by using module.exports
		2.4 Reusing modules by using the node_modules folder
		2.5 Exploring caveats
		2.6 Using asynchronous programming techniques
		2.7 Handling one-off events with callbacks
		2.8 Handling repeating events with event emitters
			2.8.1 An example event emitter
			2.8.2 Responding to an event that should occur only once
			2.8.3 Creating event emitters: a publish/subscribe example
			2.8.4 Extending the event emitter: a file watcher example
		2.9 Challenges with asynchronous development
		2.10 Sequencing asynchronous logic
		2.11 When to use serial flow control
		2.12 Implementing serial flow control
		2.13 Implementing parallel flow control
		2.14 Using community tools
		2.15 Summary
	3 What is a Node web application?
		3.1 Understanding a Node web application’s structure
			3.1.1 Starting a new web app
			3.1.2 Comparing other platforms
			3.1.3 What’s next?
		3.2 Building a RESTful web service
		3.3 Adding a database
			3.3.1 Making your own model API
			3.3.2 Making articles readable and saving them for later
		3.4 Adding a user interface
			3.4.1 Supporting multiple formats
			3.4.2 Rendering templates
			3.4.3 Using npm for client-side dependencies
		3.5 Summary
Part 2 Web development with Node
	4 Front-end build systems
		4.1 Understanding front-end development with Node
		4.2 Using npm to run scripts
			4.2.1 Creating custom npm scripts
			4.2.2 Configuring front-end build tools
		4.3 Providing automation with Gulp
			4.3.1 Adding Gulp to a project
			4.3.2 Creating and running Gulp tasks
			4.3.3 Watching for changes
			4.3.4 Using separate files for larger projects
		4.4 Building web apps with webpack
			4.4.1 Using bundles and plugins
			4.4.2 Configuring and running webpack
			4.4.3 Using webpack development server
			4.4.4 Loading CommonJS modules and assets
		4.5 Summary
	5 Server-side frameworks
		5.1 Personas
			5.1.1 Phil: agency developer
			5.1.2 Nadine: open source developer
			5.1.3 Alice: product developer
		5.2 What is a framework?
		5.3 Koa
			5.3.1 Setting up
			5.3.2 Defining routes
			5.3.3 REST APIs
			5.3.4 Strengths
			5.3.5 Weaknesses
		5.4 Kraken
			5.4.1 Setting up
			5.4.2 Defining routes
			5.4.3 REST APIs
			5.4.4 Strengths
			5.4.5 Weaknesses
		5.5 hapi
			5.5.1 Setting up
			5.5.2 Defining routes
			5.5.3 Plugins
			5.5.4 REST APIs
			5.5.5 Strengths
			5.5.6 Weaknesses
		5.6 Sails.js
			5.6.1 Setting up
			5.6.2 Defining routes
			5.6.3 REST APIs
			5.6.4 Strengths
			5.6.5 Weaknesses
		5.7 DerbyJS
			5.7.1 Setting up
			5.7.2 Defining routes
			5.7.3 REST APIs
			5.7.4 Strengths
			5.7.5 Weaknesses
		5.8 Flatiron.js
			5.8.1 Setting up
			5.8.2 Defining routes
			5.8.3 REST APIs
			5.8.4 Strengths
			5.8.5 Weaknesses
		5.9 LoopBack
			5.9.1 Setting up
			5.9.2 Defining routes
			5.9.3 REST APIs
			5.9.4 Strengths
			5.9.5 Weaknesses
		5.10 Comparison
			5.10.1 HTTP servers and routes
		5.11 Writing modular code
		5.12 Persona choices
		5.13 Summary
	6 Connect and Express in depth
		6.1 Connect
			6.1.1 Setting up a Connect application
			6.1.2 Understanding how Connect middleware works
			6.1.3 Combining middleware
			6.1.4 Ordering middleware
			6.1.5 Creating configurable middleware
			6.1.6 Using error-handling middleware
		6.2 Express
			6.2.1 Generating the application skeleton
			6.2.2 Configuring Express and your application
			6.2.3 Rendering views
			6.2.4 Express routing 101
			6.2.5 Authenticating users
			6.2.6 Registering new users
			6.2.7 Logging in registered users
			6.2.8 Working with user-loading middleware
			6.2.9 Creating a public REST API
			6.2.10 Enabling content negotiation
		6.3 Summary
	7 Web application templating
		7.1 Using templating to keep code clean
			7.1.1 Templating in action
			7.1.2 Rendering HTML without a template
		7.2 Templating with Embedded JavaScript
			7.2.1 Creating a template
			7.2.2 Integrating EJS into your application
			7.2.3 Using EJS for client-side applications
		7.3 Using the Mustache templating language with Hogan
			7.3.1 Creating a template
			7.3.2 Using Mustache tags
			7.3.3 Fine-tuning Hogan
		7.4 Templating with Pug
			7.4.1 Pug basics
			7.4.2 Logic in Pug templates
			7.4.3 Organizing Pug templates
		7.5 Summary
	8 Storing application data
		8.1 Relational databases
		8.2 PostgreSQL
			8.2.1 Performing installation and setup
			8.2.2 Creating the database
			8.2.3 Connecting to Postgres from Node
			8.2.4 Defining tables
			8.2.5 Inserting data
			8.2.6 Updating data
			8.2.7 Querying data
		8.3 Knex
			8.3.1 jQuery for databases
			8.3.2 Connecting and running queries with Knex
			8.3.3 Swapping the database back end
			8.3.4 Beware of leaky abstractions
		8.4 MySQL vs. PostgreSQL
		8.5 ACID guarantees
			8.5.1 Atomicity: transactions either succeed or fail in entirety
			8.5.2 Consistency: constraints are always enforced
			8.5.3 Isolation: concurrent transactions don’t interfere
			8.5.4 Durability: transactions are permanent
		8.6 NoSQL
		8.7 Distributed databases
		8.8 MongoDB
			8.8.1 Performing installation and setup
			8.8.2 Connecting to MongoDB
			8.8.3 Inserting documents
			8.8.4 Querying
			8.8.5 Using MongoDB identifiers
			8.8.6 Using replica sets
			8.8.7 Understanding write concerns
		8.9 Key/value stores
		8.10 Redis
			8.10.1 Performing installation and setup
			8.10.2 Performing initialization
			8.10.3 Working with key/value pairs
			8.10.4 Working with keys
			8.10.5 Encoding and data types
			8.10.6 Using hashes
			8.10.7 Using lists
			8.10.8 Using sets
			8.10.9 Providing pub/sub with channels
			8.10.10 Improving Redis performance
		8.11 Embedded databases
		8.12 LevelDB
			8.12.1 LevelUP and LevelDOWN
			8.12.2 Installation
			8.12.3 API overview
			8.12.4 Initialization
			8.12.5 Key/value encodings
			8.12.6 Reading and writing key/value pairs
			8.12.7 Pluggable back ends
			8.12.8 The modular database
		8.13 Serialization and deserialization are expensive
		8.14 In-browser storage
			8.14.1 Web storage: localStorage and sessionStorage
			8.14.2 Reading and writing values
			8.14.3 localForage
			8.14.4 Reading and writing
		8.15 Hosted storage
			8.15.1 Simple Storage Service
		8.16 Which database?
		8.17 Summary
	9 Testing Node applications
		9.1 Unit testing
			9.1.1 The assert module
			9.1.2 Mocha
			9.1.3 Vows
			9.1.4 Chai
			9.1.5 Should.js
			9.1.6 Spies and stubs with Sinon.JS
		9.2 Functional testing
			9.2.1 Selenium
		9.3 Dealing with failing tests
			9.3.1 Getting more-detailed logs
			9.3.2 Getting better stack traces
		9.4 Summary
	10 Deploying Node applications and maintaining uptime
		10.1 Hosting Node applications
			10.1.1 Platform as a service
			10.1.2 Servers
			10.1.3 Containers
		10.2 Understanding deployment basics
			10.2.1 Deploying from a Git repository
			10.2.2 Keeping Node running
		10.3 Maximizing uptime and performance
			10.3.1 Maintaining uptime with Upstart
			10.3.2 The cluster API: taking advantage of multiple cores
			10.3.3 Hosting static files and proxying
		10.4 Summary
Part 3 Beyond web development
	11 Writing command-line applications
		11.1 Understanding conventions and philosophy
		11.2 Introducing parse-json
		11.3 Using command-line arguments
			11.3.1 Parsing command-line arguments
			11.3.2 Validating arguments
			11.3.3 Passing stdin as a file
		11.4 Sharing command-line tools with npm
		11.5 Connecting scripts with pipes
			11.5.1 Piping data into parse-json
			11.5.2 Working with errors and exit codes
			11.5.3 Using pipes in Node
			11.5.4 Pipes and command execution order
		11.6 Interpreting real-world scripts
		11.7 Summary
	12 Conquering the desktop with Electron
		12.1 Introducing Electron
			12.1.1 Electron’s stack
			12.1.2 Interface design
		12.2 Creating an Electron app
		12.3 Building a full desktop application
			12.3.1 Bootstrapping React and Babel
			12.3.2 Installing the dependencies
			12.3.3 Setting up webpack
		12.4 The React app
			12.4.1 Defining the Request component
			12.4.2 Defining the Response component
			12.4.3 Communicating between React components
		12.5 Builds and distribution
			12.5.1 Building with Electron Packager
			12.5.2 Packaging
		12.6 Summary
appendix A Installing Node
	A.1 Installing Node by using an installer
		A.1.1 The macOS installer
		A.1.2 The Windows installer
	A.2 Using other ways to install Node
		A.2.1 Installing Node from source
		A.2.2 Installing Node with a package manager
appendix B Automating the web with scraping
	B.1 Understanding web scraping
		B.1.1 Uses of web scraping
		B.1.2 Required tools
	B.2 Performing basic web scraping with cheerio
	B.3 Handling dynamic content with jsdom
	B.4 Making sense of raw data
	B.5 Summary
appendix C Connect’s officially supported middleware
	C.1 Parsing cookies, request bodies, and query strings
		C.1.1 cookie-parser: parse HTTP cookies
		C.1.2 Parsing query strings
		C.1.3 body-parser: parse request bodies
		C.1.4 compression: compressing outgoing responses
	C.2 Implementing core web application functions
		C.2.1 morgan: log requests
		C.2.2 serve-favicon: address bar and bookmark icons
		C.2.3 method-override: fake HTTP methods
		C.2.4 vhost: virtual hosting
		C.2.5 express-session: session management
	C.3 Handling web application security
		C.3.1 basic-auth: HTTP Basic authentication
		C.3.2 csurf: cross-site request forgery protection
		C.3.3 errorhandler: displaying errors during development
	C.4 Serving static files
		C.4.1 serve-static: automatically serving files to the browser
		C.4.2 serve-index: generating directory listings
	Connect’s officially supported middleware
Glossary
	Chapter 1
	Chapter 2
	Chapter 3
	Chapter 4
	Chapter 5
	Chapter 6
	Chapter 7
	Chapter 8
	Chapter 9
	Chapter 10
	Chapter 11
	Chapter 12
	Appendix A
index
	Symbols
	Numerics
	A
	B
	C
	D
	E
	F
	G
	H
	I
	J
	K
	L
	M
	N
	O
	P
	Q
	R
	S
	T
	U
	V
	W
	X
	Y
	Z
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