Virtual Properties

Question 1

What is a virtual property?

Answer 1

It is a property that is returned with documents during a query but is not stored in the database

Question 2

How do you create a virtual property in Mongoose?

Answer 2

SchemaName.virtual(‘virtual property name’).get(function (){return this.attr * this.attr} ) ;

Question 3

How do you make Mongoose aware of virtual properties?

Answer 3

const SchemaName = new mongoose.Schema({}, { toJSON: {virtuals: true}, toObject: {virtuals: true} })