Get current subdomain in expressjs

app.js

apiapp.use(function (req, res, next) {
	var domain = req.headers.host,
		subDomain = domain.split('.');
	if(subDomain.length > 2){
		subDomain = subDomain[0].split("-").join(" ");
	}else{
		subDomain = "www";
	}
	res.locals = {
		subdomain: subDomain
	};
	next();
});

/*
Then you can called req.locals.subdomain at anytime to get the current subdomain, useful for hosting, etc.

*/