gistfile1.txt

module.exports = function (app) {
    if (!app.config.get('app.logRequests')) { return; }

    var mountPaths = app.config.get('swag.mountPaths');
    var apiRE = new RegExp('^'+mountPaths.api.replace('/', '\\/')+'\\/');
    
    app.use(function (req, res, next) {
        if (!apiRE.test(req.url)) { return next(); }
        
        var start = process.hrtime();
        res.on('finish', function () {
            var dur = process.hrtime(start);
            dur = (dur[0] * 10e9 + dur[1]) / 10e6 + 'ms';
            
            var str = res.statusCode + ' ' + req.url + ' (' + dur + ')';
            
            if (res.statusCode < 400) { app.log.info(str); }
            else if (res.statusCode < 500) { app.log.warn(str); }
            else { app.log.error(str); }
        });
        next();
    });
};