Index

A

• app.all() method / Defining routes for the app
• app.configure() method / Express in different environments
• app.configure([env], callback) / The application object
• app.disable(name) / The application object
• app.disabled(name) / The application object
• app.enable(name) / The application object
• app.enabled(name) / The application object
• app.engine(ext, callback) / The application object
• app.get(name) / The application object
• app.listen() / The application object
• app.locals / The application object
• app.param([name], callback) / The application object
• app.render(view, [options], callback) / The application object
• app.routes / The application object
• app.set() method / JSONP
• app.set(name, value) / The application object
• app.use() method / Middlewares
• app.use([path], function) / The application object
• app.VERB(path, [callback...], callback) / The application object
• app cluster
  • creating / Creating an app cluster
• application object, Express / The application object
  • app.set(name, value) / The application object
  • app.get(name) / The application object
  • app.enable(name) / The application object
  • app.disable(name) / The application object
  • app.enabled(name) / The application object
  • app.disabled(name) / The application object
  • app.configure([env], callback) / The application object
  • app.use([path], function) / The application object
  • app.engine(ext, callback) / The application object
  • app.param([name], callback) / The application object
  • app.VERB(path, [callback...], callback) / The application object
  • app.all(path, [callback...], callback) / The application object
  • app.locals / The application object
  • app.render(view, [options], callback) / The application object
  • app.routes / The application object
  • app.listen() / The application object
• Asynchronous (async) JavaScript / Asynchronous JavaScript
• Availability field / Benchmarking the app

B

• -b option / Benchmarking the app
• bar notation / Creating text content
• basicAuth middleware / Empowering Express with middlewares
• benchmarking
  • app / Benchmarking the app
  • fields / Benchmarking the app
• benchmarking, fields
  • transaction field / Benchmarking the app
  • Availability field / Benchmarking the app
  • Elapsed time field / Benchmarking the app
  • Data transferred field / Benchmarking the app
  • Response time option / Benchmarking the app
  • Transaction rate option / Benchmarking the app
  • Throughput option / Benchmarking the app
  • Concurrency option / Benchmarking the app
  • Successful transactions option / Benchmarking the app
  • Failed transactions option / Benchmarking the app
  • Longest transaction option / Benchmarking the app
  • Shortest transaction option / Benchmarking the app
• bodyParser middleware / Empowering Express with middlewares, Enabling POST data parsing
• built-in functions
  • about / Built-in functions

C

• -c option / Benchmarking the app
• @css rule / @css
• case sensitive routing option / Setting and getting application options
• classes, HTML tags
  • assigning / Assigning classes
• Client Error / 4xx
• close() method / Closing the server
• cluster
  • about / Creating an app cluster
  / Creating an app cluster
• comments
  • about / Comments
• comments, Jade / Comments
• compile option / Enabling Stylus in Express
• compress middleware / Empowering Express with middlewares
• compress option / Enabling Stylus in Express
• Concurrency option / Benchmarking the app
• conditionals
  • about / Conditionals
  • if, else if, and else construct / if, else if, and else
  • unless conditional / unless
• Connect project / The story of Express
• Content-Type header / Media types, Plain text
• content negotiation / Content negotiation
• control structures, Jade
  • about / Control structures
• cookie-based session
  • about / Cookie-based sessions
  • key option / Cookie-based sessions
  • secret option / Cookie-based sessions
  • cookie option / Cookie-based sessions
  • proxy option / Cookie-based sessions
  • deleting / Deleting a cookie-based session
• cookieParser middleware / Empowering Express with middlewares, Using cookies to store data, Cookie-based sessions
• cookies
  • using, to store data / Using cookies to store data
  • creating / Creating cookies
  • setting / Creating cookies
  • reading / Reading cookies
  • updating / Updating cookies
  • session cookies / Session cookies
  • signed cookies / Signed cookies
  • deleting / Deleting cookies
• cookieSession middleware / Empowering Express with middlewares
• cron job / Upstart

D

• -date token / Logging requests to the App
• data
  • sending / Sending data
  • plain text / Plain text
  • HTML / HTML
  • JSON / JSON
  • JSONP / JSONP
  • static files, serving / Serving static files
  • files, serving programmatically / Serving files programmatically
  • error pages, serving / Serving error pages
  • content negotiation / Content negotiation
  • request, redirecting / Redirecting a request
  • submitting, forms used / Using forms to submit data
  • submitting, simulated methods used / Submission via simulated methods
  • in named segments / Data in named segments
  • reading / Reading data
• Data transferred field / Benchmarking the app
• dest option / Enabling Stylus in Express
• directory middleware / Empowering Express with middlewares
• disconnect event / Using domains to handle uncaught errors
• Doctype
  • of document, declaring / Declaring the document's Doctype
  • predefined values / Declaring the document's Doctype
• domains
  • used, for handling uncaught errors / Using domains to handle uncaught errors
  • URL / Using domains to handle uncaught errors

E

• @extend rule / @extend
• each construct / each
• Elapsed time field / Benchmarking the app
• environments
  • about / Express in different environments
• env option / Setting and getting application options
• error event / What to do in case of uncaught errors – to terminate the process or not to terminate?
• errorHandler middleware / Empowering Express with middlewares
• error pages
  • serving / Serving error pages
• escaping, Jade / Escaping
• expires option / Session cookies
• exports object / Node modules
• Express
  • about / What is Express?
  • history / The story of Express
  • installing / Installing Express
  • components / The stuff that makes up Express
  • HTTP status codes / HTTP status codes
  • HTTP response headers / HTTP response headers
  • HTTP response / HTTP response in Express
  • Stylus, enabling / Enabling Stylus in Express
  • production environment / What the is production environment?
• Express, components
  • application object / The application object
  • request object / The request object
  • response object / The response object
  • Asynchronous (async) JavaScript / Asynchronous JavaScript
  • node module / Node modules
• Express app
  • about / Your first Express app
  • manifest file / The Express manifest file
  • creating / A very basic Express app
  • starting / Starting and stopping the app
  • stopping / Starting and stopping the app
  • output, analyzing / Analyzing the output
  • with views / Express app with views
  • public directory / A public directory for the app
  • auto-generating / Auto-generating an Express app
  • middlewares / Empowering Express with middlewares
  • Node modules / Empowering Express with Node modules
  • requests, logging to / Logging requests to the App
  • configuration file used / Using a configuration file
  • options, setting / Setting and getting application options
  • options, getting / Setting and getting application options
  • configuration, options / Setting and getting application options
  • in different environments / Express in different environments
• Express App
  • about / Express apps are Node modules
• express command-line tool / Installing Express

F

• $ forever restart <process index> command / Forever
• $ forever start app.js command / Forever
• $ forever stop <process index> command / Forever
• @font-face rule / @font-face
• Failed transactions option / Benchmarking the app
• favicon middleware / Empowering Express with middlewares
• file uploads
  • handling / Handling file uploads
• filters, Jade
  • about / Filters
• firebug option / Enabling Stylus in Express
• forbidder middleware / Middlewares
• force option / Enabling Stylus in Express
• for construct / for
• Forever
  • installing / Forever
  • $ forever start app.js command / Forever
  • $ forever stop <process index> command / Forever
  • $ forever restart <process index> command / Forever
• for loop / JavaScript constructs
• forms
  • used, for submitting data / Using forms to submit data
• functions
  • about / Functions

G

• -g option / Installing Express
• GET HTTP method / Using forms to submit data
• GET request / What is Jade?
• GET submissions
  • handling / Handling GET submissions
  • form data, reading / Reading form data
  • URL query parameters, reading / Reading URL query parameters
  • multiple options, handling / Handling multiple options
• global modules / Installing Express

H

• -http-version token / Logging requests to the App
• HAProxy
  • URL / Using a reverse proxy
• HTML / HTML
• HTML attributes / Specifying HTML attributes
• HTML elements
  • hierarchy / Hierarchy of HTML elements
• HTML tags
  • generating / Generating HTML tags
  • HTML elements, hierarchy / Hierarchy of HTML elements
  • IDs, assigning / Assigning IDs
  • classes, assigning / Assigning classes
  • HTML attributes, specifying / Specifying HTML attributes
• http.createServer() method / Closing the server
• HTTP headers
  • setting / Setting HTTP headers
• HTTP method overriding / Submission via simulated methods
• HTTP protocol
  • URL / A primer on HTTP response
• HTTP request method / What are Routes?
• HTTP response
  • about / A primer on HTTP response
  • in Express / HTTP response in Express
• HTTP response, in Express
  • HTTP status code, setting / Setting the HTTP status code
  • HTTP headers, setting / Setting HTTP headers
  • data, sending / Sending data
• HTTP response headers
  • about / HTTP response headers
• HTTP response message
  • about / A primer on HTTP response
• HTTP Server object
  • URL / Closing the server
• HTTP status code
  • setting / Setting the HTTP status code
• HTTP status codes
  • about / HTTP status codes
  • 1xx status code / 1xx
  • 2xx status code / 2xx
  • 3xx status code / 3xx
  • 4xx status code / 4xx
  • 5xx status code / 5xx
• HTTP verbs
  • about / A quick introduction to HTTP verbs

I

• @import rule / @import
• IDs, HTML tags
  • assigning / Assigning IDs
• if (cluster.isMaster) bock / Creating an app cluster
• if, else if, and else combination / if, else if, and else
• if, else if, and else construct / if, else if, and else
• includes / Includes
• Informational / 1xx
• installation
  • Express / Installing Express
• Internet Engineering Task Force (IETF) / A quick introduction to HTTP verbs
• interpolations, Jade
  • about / Interpolation

J

• Jade
  • about / What is Jade?
  • URL / What is Jade?
  • HTML tags, generating / Generating HTML tags
  • filters / Filters
  • programmability / Programmability in Jade
  • variables / Variables
  • interpolation / Interpolation
  • control structures / Control structures
  • modularization / Modularization
  • escaping / Escaping
  • comments / Comments
• Jade constructs
  • about / Jade constructs
  • if, else if, and else combination / if, else if, and else
  • for construct / for
  • each construct / each
  • while construct / while
  • unless construct / unless
  • case construct / case
• Jade view, modularization
  • includes / Includes
  • template inheritance / Template inheritance
  • mixins / Mixins
• JavaScript constructs
  • about / JavaScript constructs
• JSON / JSON
• json middleware / Empowering Express with middlewares
• JSONP / JSONP
• jsonp callback name option / Setting and getting application options
• json replacer option / Setting and getting application options
• json spaces option / Setting and getting application options

K

• @keyframe rule / @keyframes
• keepExtensions property / Enabling POST data parsing
• keys(list) tuple / Listed tuples

L

• layout.jade file / Auto-generating an Express app
• limit middleware / Empowering Express with middlewares
• linenos option / Enabling Stylus in Express
• lists
  • about / Lists
• literals
  • about / Literals
• local modules / Installing Express
• logger
  • about / Logging requests to the App
• logger middleware / Empowering Express with middlewares
• Longest transaction option / Benchmarking the app

M

• -method token / Logging requests to the App
• @media rule / @media
• manifest file
  • name field / The Express manifest file
  • version field / The Express manifest file
  • private field / The Express manifest file
  • scripts field / The Express manifest file
  • dependencies field / The Express manifest file
• media types
  • about / Media types
• MemoryStore
  • about / MemoryStore
  / What changes in production mode?
• MethodOverride middleware / Using forms to submit data
• methodOverride middleware / Empowering Express with middlewares, Submission via simulated methods
• middleware
  • about / Middlewares
• middleware() method / Enabling Stylus in Express
• middlewares
  • about / Empowering Express with middlewares
  • router / Empowering Express with middlewares
  • logger / Empowering Express with middlewares
  • compress / Empowering Express with middlewares
  • basicAuth / Empowering Express with middlewares
  • json / Empowering Express with middlewares
  • urlencoded / Empowering Express with middlewares
  • multipart / Empowering Express with middlewares
  • bodyParser / Empowering Express with middlewares
  • timeout / Empowering Express with middlewares
  • cookieParser / Empowering Express with middlewares
  • session / Empowering Express with middlewares
  • cookieSession / Empowering Express with middlewares
  • methodOverride / Empowering Express with middlewares
  • responseTime / Empowering Express with middlewares
  • static / Empowering Express with middlewares
  • staticCache / Empowering Express with middlewares
  • directory / Empowering Express with middlewares
  • vhost / Empowering Express with middlewares
  • favicon / Empowering Express with middlewares
  • limit / Empowering Express with middlewares
  • query / Empowering Express with middlewares
  • errorHandler / Empowering Express with middlewares
• mixins / Mixins
  • about / Mixins
• module.exports property / Node modules
• MongoStore
  • about / MongoStore
  • installing, in application directory / MongoStore
• multipart middleware / Empowering Express with middlewares

N

• named segments
  • data in / Data in named segments
• name property / Handling file uploads
• Namespaced routing / Namespaced routing
• nginx
  • URL / Using a reverse proxy
• Node.js (Node) platform / What is Express?
• Node HTTP API / Node HTTP/HTTPS API
• Node HTTPS API / Node HTTP/HTTPS API
• node module
  • about / Node modules
• Node modules
  • about / Empowering Express with Node modules
  • using / Using Node modules
• NODE_ENV / Express in different environments
• NODE_ENV environment variable / What the is production environment?
• npm
  • about / Installing Express
• npm install command / Installing Express
• nvm
  • about / Installing Express

O

• operators
  • about / Operators

P

• @ parameter / Installing Express
• path property / Handling file uploads
• performance
  • about / Benchmarking the app
• post() method / Using forms to submit data
• POST HTTP method / Using forms to submit data
• Postman / Defining routes for the app
• POST submissions
  • handling / Handling POST submissions
  • POST data parsing, enabling / Enabling POST data parsing
  • form data, reading / Reading form data
  • text-only forms, handling / Handling text-only forms
  • file uploads, handling / Handling file uploads
• process.nextTick() / Handling uncaught errors
• process termination
  • handling / Handling process termination
• production environment
  • about / What the is production environment?
  • changes / What changes in production mode?
  • simulating / Simulating production environment

Q

• query middleware / Empowering Express with middlewares

R

• -referrer token / Logging requests to the App
• -remote-addr token / Logging requests to the App
• -req[header] token / Logging requests to the App
• -response-time token / Logging requests to the App
• -res[header] token / Logging requests to the App
• Redirection / 3xx
• RedisStore
  • about / RedisStore
  • installing, in application directory / RedisStore
• req.accepted / The request object
• req.acceptedCharsets / The request object
• req.acceptedLanguages / The request object
• req.accepts(types) / The request object
• req.acceptsCharsets(charset) / The request object
• req.acceptsLanguage(langauge) / The request object
• req.body / The request object
• req.cookies / The request object
• req.cookies object / Using cookies to store data
• req.files / The request object
• req.files object / More about file uploads
• req.fresh / The request object
• req.get(header) / The request object
• req.host / The request object
• req.ip / The request object
• req.ips / The request object
• req.ips property / The trust proxy option
• req.is(type) / The request object
• req.originalUrl / The request object
• req.param() method / Reading data
• req.params / The request object
• req.params(name) / The request object
• req.path / The request object
• req.protocol / The request object
• req.query / The request object
• req.query object / Reading URL query parameters
• req.route / The request object
• req.secure / The request object
• req.signedCookies / The request object
• req.stale / The request object
• req.subdomains / The request object
• req.url / The request object
• req.xhr / The request object
• req parameter / Middlewares
• request
  • redirecting / Redirecting a request
• request flow
  • about / Request flow
• request object, Express
  • req.params / The request object
  • req.params(name) / The request object
  • req.query / The request object
  • req.body / The request object
  • req.files / The request object
  • req.route / The request object
  • req.cookies / The request object
  • req.signedCookies / The request object
  • req.get(header) / The request object
  • req.accepts(types) / The request object
  • req.accepted / The request object
  • req.is(type) / The request object
  • req.ip / The request object
  • req.ips / The request object
  • req.path / The request object
  • req.host / The request object
  • req.fresh / The request object
  • req.stale / The request object
  • req.xhr / The request object
  • req.protocol / The request object
  • req.secure / The request object
  • req.subdomains / The request object
  • req.url / The request object
  • req.originalUrl / The request object
  • req.acceptedLanguages / The request object
  • req.acceptsLanguage(langauge) / The request object
  • req.acceptedCharsets / The request object
  • req.acceptsCharsets(charset) / The request object
• require() function / Node modules
• res.attachment([filename]) / The response object
• res.charset / The response object
• res.clearCookie() method / Deleting cookies
• res.clearCookie(name, [options]) / The response object
• res.cookie() method / Using cookies to store data, Creating cookies
  • path option / Creating cookies
  • secure option / Creating cookies
  • expires option / Creating cookies
  • maxAge option / Creating cookies
  • httpOnly option / Creating cookies
  • signed option / Creating cookies
• res.cookie() method domain option / Creating cookies
• res.cookie(name, value, [options]) / The response object
• res.download() method / Setting the HTTP status code, Serving files programmatically
• res.download(path, [filename], [callback]) / The response object
• res.format(object) / The response object
• res.get(header) / The response object
• res.json() method / Setting the HTTP status code
• res.json([status|body], [body]) / The response object
• res.jsonp() method / Setting the HTTP status code
• res.jsonp([status|body], [body]) / The response object
• res.links(links) / The response object
• res.locals / The response object
• res.location / The response object
• res.redirect([status], url) / The response object
• res.render() method / Setting the HTTP status code, Variables
• res.render(view, [locals], callback) / The response object
• res.send() method / Setting the HTTP status code
• res.send([body|status], [body]) / The response object
• res.sendfile() method / Setting the HTTP status code, Serving files programmatically
• res.sendfile(path, [options], [callback]]) / The response object
• res.set() method / Setting HTTP headers, Plain text
• res.set(field, [value]) / The response object
• res.status() method / Setting the HTTP status code
• res.status(code) / The response object
• res.type(type) / The response object
• Resourceful routing / Resourceful routing
• response object, Express
  • res.status(code) / The response object
  • res.set(field, [value]) / The response object
  • res.get(header) / The response object
  • res.cookie(name, value, [options]) / The response object
  • res.clearCookie(name, [options]) / The response object
  • res.redirect([status], url) / The response object
  • res.location / The response object
  • res.charset / The response object
  • res.send([body|status], [body]) / The response object
  • res.json([status|body], [body]) / The response object
  • res.jsonp([status|body], [body]) / The response object
  • res.type(type) / The response object
  • res.format(object) / The response object
  • res.attachment([filename]) / The response object
  • res.sendfile(path, [options], [callback]]) / The response object
  • res.download(path, [filename], [callback]) / The response object
  • res.links(links) / The response object
  • res.locals / The response object
  • res.render(view, [locals], callback) / The response object
• responseTime middleware / Empowering Express with middlewares
• Response time option / Benchmarking the app
• restart myapp command / Upstart
• reverse proxy
  • using / Using a reverse proxy
  • tasks / Using a reverse proxy
• route handler
  • about / Request flow
• router middleware / Empowering Express with middlewares, Handling uncaught errors
  • about / Revisiting the router middleware
• router middleware / Serving error pages
• routes
  • about / What are Routes?
  • defining, for app / Defining routes for the app
  • identifiers / Route identifiers
  • precedence order / Order of route precedence
  • handling / How to handle routes
  • organizing / How to organize routes
• routes, organizing
  • Node modules SED / Using Node modules
  • Namespaced routing / Namespaced routing
  • Resourceful routing / Resourceful routing
• routes.js Node module
  • content / Request flow
• rules
  • about / Rules
  • @import / @import
  • @import rule / @import
  • @media rule / @media
  • @font-face rule / @font-face
  • @keyframe rule / @keyframes
  • @extend rule / @extend
  • @css rule / @css
• run() method / Using domains to handle uncaught errors

S

• -status token / Logging requests to the App
• .styl file extension / Introduction
• script tag / Creating text content
• Selectors
  • about / Selectors
  • blocks / Selector blocks
  • hierarchy / Hierarchy
• serve option / Enabling Stylus in Express
• server
  • closing / Closing the server
• Server Error / 5xx
• session cookies / Session cookies
• session middleware / Empowering Express with middlewares
• sessions
  • using, to store data / Using sessions to store data
  • cookie-based session / Cookie-based sessions
  • session store-based session / Session store-based sessions
  • session variables / Session variables
  • deleting / Deleting a session
• session store-based session
  • about / Session store-based sessions
  • key option / Session store-based sessions
  • store option / Session store-based sessions
  • secret option / Session store-based sessions
  • cookie option / Session store-based sessions
  • proxy option / Session store-based sessions
  • deleting / Deleting a session store-based session
• session variables
  • about / Session variables
  • setting / Setting session variables
  • reading / Reading session variables
  • updating / Updating session variables
  • deleting / Deleting session variables
• Shortest transaction option / Benchmarking the app
• siege
  • installing, in Ubuntu / Benchmarking the app
  • about / Benchmarking the app
• siege --help command / Benchmarking the app
• siege tool / Benchmarking the app
• SIGKILL
  • URL / Handling process termination
• signed cookies / Signed cookies
• size property / Handling file uploads
• skeleton app / Auto-generating an Express app
• src option / Enabling Stylus in Express
• start myapp command / Upstart
• staticCache middleware / Empowering Express with middlewares
• static files
  • serving / Serving static files
• static middleware / Empowering Express with middlewares, Enabling Stylus in Express
• stop myapp command / Upstart
• strict routing option / Setting and getting application options
• style.styl / @import
• style tag / Creating text content
• Stylus
  • about / Introduction, Mixins
  • URL / Introduction
  • .styl file extension / Introduction
  • enabling, in Express / Enabling Stylus in Express
  • serve option / Enabling Stylus in Express
  • force option / Enabling Stylus in Express
  • src option / Enabling Stylus in Express
  • dest option / Enabling Stylus in Express
  • compile option / Enabling Stylus in Express
  • compress option / Enabling Stylus in Express
  • firebug option / Enabling Stylus in Express
  • linenos option / Enabling Stylus in Express
  • variables / Variables
  • literals / Literals
  • lists / Lists
  • tuples / Tuples
  • tuples, listed / Listed tuples
  • functions / Functions
  • comments / Comments
  • operators / Operators
  • conditionals / Conditionals
  • builtin functions / Built-in functions
• Success / 2xx
• Successful transactions option / Benchmarking the app

T

• -t option / Benchmarking the app
• template inheritance / Template inheritance
• text-only forms
  • handling / Handling text-only forms
• text content
  • creating / Creating text content
• Throughput option / Benchmarking the app
• timeout middleware / Empowering Express with middlewares
• transaction field / Benchmarking the app
• Transaction rate option / Benchmarking the app
• trust proxy application
  • about / The trust proxy option
• trust proxy option / Setting and getting application options
• try-catch
  • used, for catching uncaught errors / Using try-catch to catch uncaught errors
• tuples
  • about / Tuples
  • listing / Listed tuples
  • keys(list) / Listed tuples
  • values(list) / Listed tuples
• type property / Handling file uploads

U

• -url token / Logging requests to the App
• -user-agent token / Logging requests to the App
• uncaught error
  • handling / Handling uncaught errors
  • example / Handling uncaught errors
• uncaught errors
  • catching, try-catch used / Using try-catch to catch uncaught errors
  • handling, domains used / Using domains to handle uncaught errors
  • process, terminating / What to do in case of uncaught errors – to terminate the process or not to terminate?
  • process termination, handling / Handling process termination
• uncaughtException / Using domains to handle uncaught errors
• unless conditional / unless
• unless construct / unless
• uploadDir option / More about file uploads
• uploadDir property / Enabling POST data parsing
• Upstart
  • about / Upstart
  • start myapp command / Upstart
  • restart myapp command / Upstart
  • stop myapp command / Upstart
  • URL / Upstart
• uptime
  • ensuring / Ensuring uptime
• urlencoded middleware / Empowering Express with middlewares
• urlencoded string / Using forms to submit data
• URL query parameters
  • reading / Reading URL query parameters
• UTF-8 / Media types

V

• values(list) tuple / Listed tuples
• variables
  • about / Variables, Variables
• vhost middlewares / Empowering Express with middlewares
• view cache option / Setting and getting application options
• view engine option / Setting and getting application options
• views
  • Express app with / Express app with views
• views option / Setting and getting application options

W

• while construct / while

X

• 1xx status code / 1xx
• 2xx status code / 2xx
• 3xx status code / 3xx
• 4xx status code / 4xx
• 5xx status code / 5xx