Product shuffling

ms.app.addPosthook({entity: 'ms.products', command: 'list'}, function(req, res, next) {
    if(req.query && req.query.sort) return next()
    var products = res.data && res.data.data;
    if(!products) return next()
    var shuffle = function (array) {
        let currentIndex = array.length,  randomIndex;
        while (currentIndex != 0) {
            randomIndex = Math.floor(Math.random() * currentIndex);
            currentIndex--;
            [array[currentIndex], array[randomIndex]] = [
                array[randomIndex], array[currentIndex]];
        }
        return array;
    }
    shuffle(products)
    next();
});