Oop exercise

submissions/OlexiyDobroskok/OOP_exercise/index.js

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+const inhabitantDefaultProperties = {
+  species: "No species",
+  name: "No name",
+  gender: "No gender",
+  saying: "Hello",
+  friends: "",
+};
+
+const humanDefaultProperties = {
+  hands: 2,
+  legs: 2,
+};
+
+const petsDefaultProperties = {
+  paws: 4,
+};
+
+class Inhabitant {
+  static worldPopulation = [];
+  constructor({
+    species,
+    name,
+    gender,
+    saying,
+    friends,
+  } = inhabitantDefaultProperties) {
+    this.species = species ?? inhabitantDefaultProperties.species;
+    this.name = name ?? inhabitantDefaultProperties.name;
+    this.gender = gender ?? inhabitantDefaultProperties.gender;
+    this.saying = saying ?? inhabitantDefaultProperties.saying;
+    this.friends = friends ?? inhabitantDefaultProperties.friends;
+    Inhabitant.worldPopulation.push(this);
+  }
+
+  addFriend({ name }) {
+    this.friends += name + "; ";
+  }
+
+  introduceYourSelf() {
+    if (this.friends === "") {
+      this.friends = "Looking for friends!";
+    }
+    return `<strong>${this.saying}! My name is ${this.name}. Species: ${this.species}. Gender: ${this.gender}. Friends: ${this.friends} </strong>`;
+  }
+}
+
+class Human extends Inhabitant {
+  constructor({
+    name,
+    gender,
+    saying,
+    legs,
+    hands,
+    friends,
+  } = humanDefaultProperties) {
+    super({ species: "human", name, gender, saying, friends });
+    this.hands = hands ?? humanDefaultProperties.hands;
+    this.legs = legs ?? humanDefaultProperties.legs;
+  }
+  introduceYourSelf() {
+    return (
+      super.introduceYourSelf() +
+      `<strong>I have ${this.hands} hands and ${this.legs} legs!</strong>`
+    );
+  }
+}
+
+class Man extends Human {
+  constructor({ name, saying, friends, legs, hands }) {
+    super({ name, gender: "male", saying, legs, hands, friends });
+  }
+}
+
+class Woman extends Human {
+  constructor({ name, saying, friends, legs, hands }) {
+    super({ name, gender: "female", saying, legs, hands, friends });
+  }
+}
+
+class Pets extends Inhabitant {
+  constructor({
+    species,
+    name,
+    gender,
+    paws,
+    saying,
+    friends,
+  } = petsDefaultProperties) {
+    super({ species, name, gender, saying, friends });
+    this.paws = paws ?? petsDefaultProperties.paws;
+  }
+  introduceYourSelf() {
+    return (
+      super.introduceYourSelf() + `<strong>I have ${this.paws} paws!</strong>`
+    );
+  }
+}
+
+class Cat extends Pets {
+  static meow;
+  constructor({ name, gender, saying = "¡miau miau", friends, paws }) {
+    super({
+      species: "cat",
+      name,
+      gender,
+      paws,
+      saying,
+      friends,
+    });
+    Cat.meow = this.saying;
+  }
+}
+
+class Dog extends Pets {
+  static bark;
+  constructor({ name, gender, saying = "¡guau guau", friends, paws }) {
+    super({
+      species: "dog",
+      name,
+      gender,
+      paws,
+      saying,
+      friends,
+    });
+    Dog.bark = this.saying;
+  }
+}
+
+class CatWoman extends Woman {
+  constructor({ name, saying = "", friends, legs, hands }) {
+    super({ name, saying, friends, legs, hands });
+    this.saying = Cat.meow + " " + saying;
+  }
+}
+
+const manJose = new Man({ name: "José", saying: "Hola, amigo" });
+const womanMartina = new Woman({ name: "Martina", saying: "Buenos días" });
+const catLalo = new Cat({ name: "Lalo", gender: "female" });
+const dogPako = new Dog({ name: "Pako", gender: "male" });
+const catwomanNerea = new CatWoman({ name: "Nerea", saying: "muchachos" });
+
+manJose.addFriend(catwomanNerea);
+womanMartina.addFriend(dogPako);
+catwomanNerea.addFriend(catLalo);
+catwomanNerea.addFriend(manJose);
+
+function showWorldPopulation() {
+  const inhabitantNames = Inhabitant.worldPopulation.map(
+    (inhabitant) => inhabitant.name
+  );
+  print(
+    `<strong>Population: ${Inhabitant.worldPopulation.length} inhabitants! It is: ${inhabitantNames}</strong>`
+  );
+  Inhabitant.worldPopulation.forEach((inhabitant) =>
+    print(inhabitant.introduceYourSelf())
+  );
+}
+
+showWorldPopulation();