How to exclude a key from an interface in TypeScript

Question

In TypeScript, you can combine two interface types like this

interface Foo {
    var1: string
}

interface Bar {
    var2: string
}

type Combined = Foo & Ba         


        

Answer 1

interface MyDialogProps extends Omit {
  id: string;
  onClose: (reason: string) => void;
}

export const MyDialog: React.FC = ({ id, onClose, ...props) => (
  
 onClose("whatever")} {...props} />
);