Article: Composition Alone Can't Replace Inheritance - public helpers

publicHelpers.js

// Public helpers
export const monsterBehaviors = {
  kill(monster) {
    userInventory.add(monster.dropLoot())
    removeFromUi(this)
  }
}

// private helpers
const monsterHelpers = {
  attack() {
    playHurtAnimation()
  }
}

export class Slime { ... }

export class Skeleton { ... }

export class Clown {
  dropLoot() {
    return [new Key()]
  }

  attack() {
    monsterHelpers.attack()
    if (itsTime()) {
      showCutScene()
    }
  }
}