gistfile1.txt

gulp.task('mongo-start', function (cb) {

    var tries = 0;

    startMongo();
    var timer = setInterval(connectToMongo, 2000);


    function startMongo() {
        exec('mongod --dbpath ./localdb/db/');
    }
    
    function connectToMongo() {
        if (tries >= 3) {
            clearTimeout(timer);
            cb('Unable to start local mongo server');
            return; 
        }

        MongoClient.connect('mongodb://localhost:27017/sanspantalones', function (error, database) {
            if (error) {
                startMongo();
            } else {
                clearTimeout(timer);
                cb();
            }
        });
    }
});