generator-hilary/templates/projects/express-api/common/express/www.js

Yeoman generator for projects that use hilary IoC (DI)

module.exports.name = 'www';
module.exports.dependencies = ['express-app', 'http', 'environment'];
module.exports.factory = function (app, http, env) {
    'use strict';

    var port,
        server,
        onError,
        onListening,
        scopeId = env.get('projectName');

    /*
    // Get port from environment and store in Express.
    */
    port = env.get('PORT') || 3000;
    app.set('port', port);

    /*
    // Create HTTP server.
    */
    server = http.createServer(app);


    /*
    // Event listener for HTTP server "error" event.
    */
    onError = function (error) {
        var err;

        if (error.syscall !== 'listen') {
            throw error;
        }

        // handle specific listen errors with friendly messages
        switch (error.code) {
        case 'EACCES':
            err = new Error('Port ' + port + ' requires elevated privileges');
            err.innerError = error;
            throw err;
        case 'EADDRINUSE':
            err = new Error('Port ' + port + ' is already in use');
            err.innerError = error;
            throw err;
        default:
            throw error;
        }
    };

    /*
    // Event listener for HTTP server "listening" event.
    */
    onListening = function () {
        console.log('startup::' + scopeId + '::listening on port ' + port);
    };

    /*
    // Listen on provided port, on all network interfaces.
    */
    server.listen(port);
    server.on('error', onError);
    server.on('listening', onListening);

    return server;
};