TYPESCRIPT

ts interface optional parameter

interface Person {
    name: string;
    age: number;
    phone?: string;
}

let p: Person = {name: "Ashlee", age: 29};
console.log(p);

convert interface optional in typescript

Partial<interface_name>
  

typescript interface optional

 /*age is optional in PersonProps*/
interface PersonProps{
age?: number; 
name: string;

}