I feel like this has to be buried somewhere in the documentation, but I can\'t find it.
How do you close or end or kill (whatever) a session in ExpressJS?
Using req.session = null;, won't actually delete the session instance. The most proper solution would be req.session.destroy();,
but this is essentially a wrapper for delete req.session;.
https://github.com/expressjs/session/blob/master/session/session.js
Session.prototype.destroy = function(fn){
delete this.req.session;
this.req.sessionStore.destroy(this.id, fn);
return this;
};