Typescript extending interfaces

typescript-extending-interfaces.ts

interface TestInterface {
    name: string,
    description: string;
}

interface MyTestInterface extends TestInterface {
    id: number;
}

const myEvent: MyTestInterface = {
    name: 'john doe',
    description: 'new test customer',
    id: 1
}

console.log(myEvent);

## Output 

c889f3b38f7a:typescript-helloworld $ npx ts-node test.ts 
{ name: 'john doe', description: 'new test customer', id: 1 }