Random document from a collection in Mongoose

Question

I want to create a Schema.statics.random function that gets me a random element from the collection. I know there is an example for the native MongoDB driver, b

Answer 1

A shorter and maybe more performant solution
(we don't iterate through the collection once to count and a second time to skip elements, but mongoose might do that behind the scenes):

Use aggregate and $sample:

Model.aggregate([{ $sample: { size: 1 } }])