factory method pattern

class Latte {
  constructor() {
    if (this.constructor === Latte) {
      throw new Error('Object of Abstract Class cannot be created');
    }
  }
  getPrice() {
    throw new Error('Abstract Method has no implementation');
  }
}

class CafeLatte extends Latte {
  constructor() {
    super();
    this.price = 3000;
  }
  getPrice() {
    return this.price;
  }
}

class CaramelLatte extends Latte {
  constructor() {
    super();
    this.price = 5000;
  }
  getPrice() {
    return this.price;
  }
}

class LatteFactory {
  static create(latteType) {
    if (latteType === 'cafe') {
      return new CafeLatte();
    } else if (latteType === 'caramel') {
      return new CaramelLatte();
    }
  }
}

const latte = LatteFactory.create('cafe');
latte.getPrice();