CODE EXAMPLE FOR TYPESCRIPT

typescript catch error type

class MyError extends Error {
  constructor(message: string) {
    super(message);
    Object.setPrototypeOf(this, MyError.prototype)
  }
}

const myFunction = () => {
  throw new MyError('some reason');
}

try {
  myFunction();
} catch (error) {
  if (error instanceof MyError) {
    // Handle MyError....
  }
}