Data access and sharing data across teams or third parties are a very common phenomenon. Sharing sensitive data is a strict no. However, why even share data which is irrelevant for the data consumer.

Mongoose Discriminator is another very useful and powerful yet underused feature of Mongoose. It serves as a means of schema inheritance, allowing you to use multiple models with intersecting schemas on the same underlying MongoDB collection.

Pre and post middleware hooks is a very useful feature in Mongoose and provides a lot of flexibility during database operations like query, create, remove etc. Pre and post hooks are functions that are executed before or after a particular action that you specify.

Mongoose is a schema-based solution to model your application data in MongoDB. It includes built-in type casting, validation, query building, business logic hooks and more, out of the box. Mongoose offers various methods to retrieve documents from a collection, such as find(), findOne(), and findById().

According to MDN, the Object.freeze() static method freezes an object. Freezing an object prevents extensions and makes existing properties non-writable and non-configurable. A frozen object can no longer be changed: new properties cannot be added, existing properties cannot be removed, their enumerability, configurability, writability, or value cannot be changed, and the object’s prototype cannot be re-assigned.