troubleWithRequire.js

var rjs = require( 'requirejs' ),
	config = {
		baseUrl: __dirname + '/lib/',
		nodeRequire: require,
		name: 'main',
		out: __dirname + '/bin/main-built.js'
	},
	fs = require( 'fs' );

rjs.optimize( config, function( buildResponses ) {
	var contents = fs.readFileSync( config.out );	
} );