Typescript error handling

error.ts

abstract class BaseError extends Error {
  abstract status: number;
}

class ValidationError extends BaseError {
  status: number = 422;
  constructor(message?: string) {
    super(message);
    this.name = this.constructor.name;
  }
}

/* class InternalServerError extends BaseError {
  status: number = 500;
  constructor(message?: string) {
    super(message);
    this.name = this.constructor.name;
  }
} */

class InternalServerError extends BaseError {
  status: number = 500;
  constructor(message?: string, status?: number) {
    super(message);
    this.name = this.constructor.name;
    if (status) {
      this.status = status;
    }
  }
}

class MyError {
  name: string;
  constructor(public message?: string) {
    this.name = this.constructor.name;
    Error.captureStackTrace(this, MyError);
  }
}

const error_handler = (err: Error) => {
  if (err instanceof BaseError) {
    console.log('====================================');
    console.log((err as BaseError).status, err.message);
    console.log('====================================');
  }

  console.log('==================error_handler==================');
  console.log(err.stack);
  console.log('==================error_handler==================');
};

const error_factory = (type: string, ...rest: any) => {
  switch (type) {
    case 'InternalServerError':
      return new InternalServerError(...rest);

    case 'ValidationError':
      return new ValidationError(...rest);

    case 'MyError':
      return new MyError(...rest);

    default:
      return new Error(...rest);
  }
};

try {
  // throw new InternalServerError('Something went wrong');
  // throw new ValidationError('Validation error');
  // throw new MyError('Some error');

  throw error_factory('InternalServerError', 'Something went wrong', 504);
  throw error_factory('ValidationError', 'Validation error');
  throw error_factory('MyError', 'Some error');
  throw error_factory('Not found', 'Not Found');
} catch (error) {
  console.log('=========================================');
  console.log(error.stack);
  console.log('=========================================');
  error_handler(error);
}

// error_handler(new ValidationError('Validation error'));
// error_handler(new InternalServerError('Something went wrong'));
// error_handler(new CustomError(new Error('something went wrong'))); // doesn't work