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#!/usr/bin/env node
const app = require('../app')
const http = require('http')
const port = normalizePort(process.env.PORT || '3000')
const server = http.createServer(app)
server.listen(port)
server.on('error', error => onError(error, port))
server.on('listening', _ => onListening(server))
function normalizePort (val) {
const port = parseInt(val, 10)
if (isNaN(port)) {
// named pipe
return val
}
if (port >= 0) {
// port number
return port
}
return false
}
function onError (error, port) {
if (error.syscall !== 'listen') {
throw error
}
const bind = typeof port === 'string'
? 'Pipe ' + port
: 'Port ' + port
// handle specific listen errors with friendly messages
switch (error.code) {
case 'EACCES':
console.error(bind + ' requires elevated privileges')
process.exit(1)
break
case 'EADDRINUSE':
console.error(bind + ' is already in use')
process.exit(1)
break
default:
throw error
}
}
function onListening (server) {
const addr = server.address()
if (typeof addr === 'string') {
console.log(`Listening on pipe ${addr}`)
} else {
console.log(`Listening on http://localhost:${addr.port}/`)
}
}
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