tiny js world oop

submissions/bmukha/tiny-js-world-oop/index.js

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+/* Refer to https://github.com/OleksiyRudenko/a-tiny-JS-world for the task details
+   Complete the below for code reviewers' convenience:
+
+   Code repository: https://github.com/bmukha/a-tiny-JS-world
+   Web app: https://bmukha.github.io/a-tiny-JS-world/
+   */
+
+class Character {
+  constructor({ specie, name, gender, legs = 2, saying, friends = [] }) {
+    this.specie = specie;
+    this.name = name;
+    this.gender = gender;
+    this.legs = legs;
+    this.saying = saying;
+    this.friends = friends;
+  }
+
+  getPresentationString() {
+    return ['specie', 'name', 'gender', 'legs', 'saying', 'friends']
+      .map((prop) =>
+        Array.isArray(this[prop]) ? this[prop].join(', ') : this[prop]
+      )
+      .filter((value) => Boolean(value))
+      .join('; ');
+  }
+}
+
+class Dog extends Character {
+  constructor({ name, gender, saying, friends }) {
+    super({ specie: 'dog', name, gender, legs: 4, saying, friends });
+  }
+}
+
+const beethoven = new Dog({
+  name: 'Beethoven',
+  gender: 'male',
+  saying: 'woof',
+  friends: ['Clyde'],
+});
+
+class Cat extends Character {
+  constructor({ name, gender, saying, friends }) {
+    super({ specie: 'cat', name, gender, legs: 4, saying, friends });
+  }
+}
+
+const grizabella = new Cat({
+  name: 'Grizabella',
+  gender: 'female',
+  saying: 'meow',
+  friends: ['Bonnie'],
+});
+
+class Human extends Character {
+  constructor({ name, gender, saying, friends }) {
+    super({ specie: 'human', name, gender, saying, friends });
+    this.hands = 2;
+  }
+  getPresentationString() {
+    return `${super.getPresentationString()}; ${this.hands}`;
+  }
+}
+
+const clyde = new Human({
+  name: 'Clyde',
+  gender: 'male',
+  saying: 'Get rich or die trying!',
+  friends: ['Bonnie', 'Beethoven'],
+});
+
+const bonnie = new Human({
+  name: 'Bonnie',
+  gender: 'female',
+  saying: 'I have the right to not answer a questions!',
+  friends: ['Clyde', 'Grizabella'],
+});
+
+class CatWomen extends Human {
+  constructor({ name, friends }) {
+    super({ name, gender: 'female', saying: grizabella.saying, friends });
+  }
+}
+
+const selina = new CatWomen({ name: 'Selina' });
+
+[beethoven, grizabella, clyde, bonnie, selina].forEach((character) =>
+  print(character.getPresentationString())
+);