Function next

lib/chain.js:138–152

(err)

    var index = 0;

    function next(err) {
        // next callback
        var handler = self._stack[index++];

        // all done or request closed
        if (!handler || req.connectionState() === 'close') {
            process.nextTick(function nextTick() {
                return done(err, req, res);
            });
            return;
        }

        // call the handler
        call(handler, err, req, res, self.onceNext ? self._once(next) : next);
    }

    next();
    return;