in npm/cli/index.js [113:120]
function startDebugServer() {
if(!debugServerRunning) {
var command = 'node ' + path.join(__dirname, 'connect.js');
console.log('Starting server on http://localhost:%s...', DEBUG_PORT);
connectServer = fork(path.join(__dirname, 'connect.js'));
openBrowser('http://localhost:' + DEBUG_PORT);
}
}