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@joshdcar joshdcar/Index.ts Secret
Created Mar 1, 2017

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import * as http from 'http';
import * as debug from 'debug';
import App from './App';
debug('ts-express:server');
const port = normalizePort(process.env.PORT || 3000);
App.set('port', port);
const server = http.createServer(App);
server.listen(port);
server.on('error', onError);
server.on('listening', onListening);
function normalizePort(val: number|string): number|string|boolean{
let port: number = (typeof val === 'string') ? parseInt(val,10): val;
if(isNaN(port)) return val;
else if(port > 0 ) return port;
else return false;
}
function onError(error: NodeJS.ErrnoException): void{
if (error.syscall !== 'listen') throw error;
let bind = (typeof port === 'string') ? 'Pipe ' + port : 'Port ' + port;
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(): void {
let addr = server.address();
let bind = (typeof addr === 'string') ? `pipe ${addr}` : `port ${addr.port}`;
debug(`Listening on ${bind}`);
}
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