[JS Pattern] Mixin Pattern

class Dog {
  constructor(name) {
    this.name = name;
  }
}


const animalFunctionality = {
  walk: () => console.log("Walking"),
  sleep: () => console.log("Sleeping")
};

const dogFunctionality = {
  __proto__: animalFunctionality,
  bark: () => console.log("Woof!"),
  wagTail: () => console.log("Wagging my tail"),
  play: () => console.log("Plyaing!"),
  walk(){
    super.walk()
  },
  sleep(){
    super.sleep()
  }
};


// Object.assign(dogFunctionality, animalFunctionality);
Object.assign(Dog.prototype, dogFunctionality);

const pet1 = new Dog("Daisy");

console.log(pet1.name);
pet1.bark();
pet1.play();
pet1.walk();
pet1.sleep();