express nodejs after response listener sample

express_after_response.js

app.use(function (req, res, next) {
    function afterResponse() {
        res.removeListener('finish', afterResponse);
        res.removeListener('close', afterResponse);
        var log = logger.loggerInstance.child({
            id: req.id
        }, true)
        log.info({res:res}, 'response')
    }
    res.on('finish', afterResponse);
    res.on('close', afterResponse);
    next();
});