Template method pattern

class CaffeineBeverage {
  final prepareRecipe(): void {
    this.boilWater();
    this.brew();
    this.pourinCup();
    if (this.customerWantsCondiments()) {
      this.addCondiments();
    }
  }

  boilWater(): void {
    console.log('Boiled water is ready...');
  }

  pourinCup(): void {
    console.log('Pouring in cup...');
  }

  abstract brew() {}
  abstract addCondiments() {}

  customerWantsCondiments() {
    return true;
  }
}

class Tea extends CaffeineBeverage {
  brew() {
    console.log('Steep tea bag...')
  }

  addCondiments() {
    console.log('Add lemon...')
  }
}

class Coffee extends CaffeineBeverage {
  brew() {
    console.log('Dripping coffee through filter...')
  }

  addCondiments() {
    console.log('Add sugar and milk...')
  }
  
}

const tea = new Tea();
const coffee = new Coffee();

console.log('Preparing coffee:')
coffee.prepareRecipe();

console.log('Preparing tea:')
tea.prepareRecipe();