Possible to extend types in Typescript?

Question

Say I have the following type:

type Event = {
   name: string;
   dateCreated: string;
   type: string;
}

I now want to extend this type, i

Answer 1

you can intersect types:

type TypeA = {
    nameA: string;
};
type TypeB = {
    nameB: string;
};
export type TypeC = TypeA & TypeB;

somewhere in you code you can now do:

const some: TypeC = {
    nameB: 'B',
    nameA: 'A',
};