rasolofonirina

const http = require('http')

const hostname = '127.0.0.1'
const port = 3000

const server = http.createServer((req, res) => {
  res.statusCode = 200
  res.setHeader('Content-Type', 'text/plain')
  res.end('Hello World')
})

rasolofonirina

// Blocking
const fs = require('fs')
const data = fs.readFileSync('/file.txt')
console.log(data)

// Non-blocking
const fs = require('fs')
fs.readFile('/file.txt', (err, data) => {
  if (err) throw err
  console.log(data)

rasolofonirina

// Mix
const fs = require('fs')
fs.readFile('/file.txt', (err, data) => {
  if (err) throw err
  console.log(data)
})
fs.unlinkSync('/file.txt')

// Better way
const fs = require('fs')

rasolofonirina

const http = require('http')

const server = http.createServer((req, res) => {
  res.writeHead(200)
  res.end('Hello everybody !')
})

server.listen(8080)

rasolofonirina

const http = require('http')

const server = http.createServer((req, res) => {
    res.writeHead(200, {"Content-Type": "text/html"})
    res.end('<h1>Hi everybody !</h1>')
})

server.listen(8080)

rasolofonirina

const http = require('http')
const url = require('url')

const server = http.createServer((req, res) => {
    const page = url.parse(req.url).pathname
    console.log(page)
    res.writeHead(200, {"Content-Type": "text/plain"})
    res.write('Hello everybody !')
    res.end()
})

rasolofonirina

const http = require('http')
const url = require('url')

const server = http.createServer((req, res) => {
    const page = url.parse(req.url).pathname
    console.log(page)
    res.writeHead(200, {"Content-Type": "text/plain"})
    if (page == '/') {
        res.write('Home')
    }

rasolofonirina

const http = require('http')
const url = require('url')
const querystring = require('querystring')

const server = http.createServer((req, res) => {
    const settings = querystring.parse(url.parse(req.url).query)
    res.writeHead(200, {"Content-Type": "text/plain"})
    if ('firstname' in settings && 'name' in settings) {
        res.write('Your name: ' + settings['firstname'] + ' ' + settings['name'])
    }

rasolofonirina

const http = require('http')

const server = http.createServer((req, res) => {
  res.writeHead(200)
  res.end('Hi everybody !')
})

/*
const server = http.createServer()
server.on('request', (req, res) => {

rasolofonirina

const EventEmitter = require('events').EventEmitter
const zavatra = new EventEmitter()

zavatra.on('velona', (message) => {
    console.log(message)
})

zavatra.emit('velona', 'Io fa velona !')