Plain es6 promise solution to async with followup and collecting args for response

gistfile1.txt

Promise.all([
        Product.create({
                name: 'MacbookPro',
                qty: 1232213,
                price: 10000.
        }),
        Order.findOne({
                orderNumber: 123
        })
])
.then(([product, order]) =>
        ProductOrder.create({
                product: product.id,
                order: order.id
        })
        .then(productOrder => res.ok(product, order, productOrder))
)
.catch(res.negotiate);