fantasy animals iterator

gistfile1.txt

'use strict';

const randomItem = (itemsArray) => itemsArray[Math.floor(Math.random() * itemsArray.length)];

const makeFantasyAnimal = () => {
  const animales = ['perro', 'gato', 'jirafa'];
  const verbos = ['escupe', 'caga', 'estornuda'];
  const elementos = ['fuego', 'hielo', 'moco'];

  return `${randomItem(animales)} ${randomItem(verbos)} ${randomItem(elementos)}`;
};

const buildAnimalArmy = {
  [Symbol.iterator]: () => {
    return {
      next: () => {
        const enoughAnimals = Math.random() > .8;
        if (enoughAnimals) {
          return { done: true };
        }
        return {
          value: makeFantasyAnimal(),
          done: false
        };
      }
    };
  }
};

for (const fantasyAnimal of buildAnimalArmy) {
  console.log(fantasyAnimal);
}