us,ng function i,n mongoose code example

Example 1: mongoose response to object

MyModel.findOne().lean().exec(function(err, doc) {
    doc.addedProperty = 'foobar';
    res.json(doc);
});

Example 2: mongoose max record

const maxQuery = Goods.find({}).sort({ price: -1 }).limit(1).then(goods => goods[0].price);