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@theScottyJam
Last active November 10, 2021 15:16
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Article: Composition Alone Can't Replace Inheritance - restricted inheritance
const monsterHelpers = {
attack() {
playHurtAnimation()
}
}
class MonsterBehaviors {
#id = Math.random()
#dropLoot
constructor({ dropLoot }) {
if (this.constructor === MonsterBehaviors) {
throw new Error('This is an abstract class. Do not instantiate it directly.');
}
this.#dropLoot = dropLoot
}
die() {
userInventory.add(this.#dropLoot())
removeFromUi(this.#id)
}
// Other shared functions could be defined here as well.
}
export class Slime extends MonsterBehaviors { ... }
export class Skeleton extends MonsterBehaviors { ... }
export class Clown extends MonsterBehaviors {
constructor() {
super({
dropLoot: () => this.dropLoot()
})
}
dropLoot() {
return [new Key()]
}
attack() {
monsterHelpers.attack()
if (itsTime()) {
showCutScene()
}
}
}
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