Node.js and express
-
Upload
joaquimserafim -
Category
Technology
-
view
123 -
download
4
description
Transcript of Node.js and express
Quinta-feira, 22 de Agosto de 13
AgendaNode.js
About
Benefits
Installing
NPM
Express
About
Installing Express & Generate an app
Jade & Stylus
Quinta-feira, 22 de Agosto de 13
about me
15 years programming experience
Software Developer and MSSQL DBA @ Com-UT/Sedimap
using Node.js about 3 years
Quinta-feira, 22 de Agosto de 13
NODE.JS
Quinta-feira, 22 de Agosto de 13
Node - About
Node.js is a platform to build fast and scalable network applications
we know this can be very painful and hard in some languages
Quinta-feira, 22 de Agosto de 13
Node - AboutIt is built on GoogleV8 JavaScript engine, the libuv platform abstraction layer and a core library, which is itself primarily written in JavaScript.
perhaps the best and faster JavaScript engine...
Quinta-feira, 22 de Agosto de 13
Node - About
event-driven
defined as an application technique in which the application has a main loop
non-blocking I/Ois a form of I/O processing that permits other processing to continue before the last transmission has finished
Quinta-feira, 22 de Agosto de 13
Quinta-feira, 22 de Agosto de 13
Node - BenefitsSmall Core
Multi-Platform
implements some CommonJS specifications
Easy to use, easy to start
JavaScript on server, JavaScript on client
Single thread simplifies concurrency
Package Module (NPM)
Community
Great Modules (like underscore, async, express, request, etc...)
Rapidly changing, e.g., updating in shortly time
Quinta-feira, 22 de Agosto de 13
Installing Node
Go to http://nodejs.org/
Windons and Mac OS X click on “install”
Linux, using package manager
Gentoo, Ubuntu, Fedora, etc...
Quinta-feira, 22 de Agosto de 13
Installing Node(Cont.)Install from source code
wget http://nodejs.org/dist/v0.10.x/node-v0.10.x.tar.gz
tar xzf node-v0.10x.tar.gz
./configure
make
make test
make install
node --version
Quinta-feira, 22 de Agosto de 13
NPMHow to find a module
npm search express
https://npmjs.org/
Some attentions you need to take before install a module
were updated relatively recently
have github repositories linked
have READMEs with good documentation
have at least some number of people instaling them every week
are liberally licensed (feel free to use)
Quinta-feira, 22 de Agosto de 13
Installing a module
Global Mode
will install in /usr/local/lib/node_modules
is more suited for modules that should always be available
Local Mode
NPM default mode
“your application path”/node_modules
is ideal for installing the modules your applications depends
don’t affect others applications that you have installed
use always this mode is more safe
Quinta-feira, 22 de Agosto de 13
Let’s Playwith a
TCP Server Chat
Quinta-feira, 22 de Agosto de 13
EXPRESS
Quinta-feira, 22 de Agosto de 13
About
is a minimal and flexible web application framework
provide a robust set of features for buildingsingle, multi-page and hybrid web applications
is based on the Connect middleware
and implements MVC
Quinta-feira, 22 de Agosto de 13
Installing & Generate an app
sudo npm install -g express
express --sessions --css stylus myapp
cd myapp & npm install
node app
Quinta-feira, 22 de Agosto de 13
Express - app
package.json (some app settings)
app.js (launch app)
public/*
routes/*
views/*
Quinta-feira, 22 de Agosto de 13
Jade
is a high performance template engine
implemented with JavaScript for node
Quinta-feira, 22 de Agosto de 13
HTML
JADE
Quinta-feira, 22 de Agosto de 13
Stylus
robust, feature-rich CSS language built for node
providing an efficient, dynamic and expressive way to generate CSS
Quinta-feira, 22 de Agosto de 13
CSS
Stylus
Quinta-feira, 22 de Agosto de 13
Some Resources
Node.JS
http://nodeguide.com/ (Felix Geisendörfer)
https://github.com/maxogden/art-of-node (Max Ogden)
http://nodetuts.com(Pedro Teixeira)
Express
http://expressjs.com/
http://www.senchalabs.org/connect/
http://learnboost.github.io/stylus/
http://jade-lang.com/
Quinta-feira, 22 de Agosto de 13
Quinta-feira, 22 de Agosto de 13