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Exercise 1

Given the following three objects, create an object factory that can eliminate the code duplication:

let apple = {
  name: 'Apple',
  color: 'Red',

  isRipe: function() {
    return `This ${this.name} is ripe.`;
  },

  describe: function() {
    return `This ${this.name} is ${this.color}.`;
  },
};

let banana = {
  name: 'Banana',
  color: 'Yellow',

  isRipe: function() {
    return `This ${this.name} is ripe.`;
  },

  describe: function() {
    return `This ${this.name} is ${this.color}.`;
  },
};

let blackberry = {
  name: 'Blackberry',
  color: 'Black',

  isRipe: function() {
    return `This ${this.name} is ripe.`;
  },

  describe: function() {
    return `This ${this.name} is ${this.color}.`;
  },
};

Solution

function createFruit(name, color) {
  return {
    name: name,
    color: color,

    isRipe: function() {
      return `This ${this.name} is ripe.`;
    },

    describe: function() {
      return `This ${this.name} is ${this.color}.`;
    },
  };
}

let apple = createFruit('Apple', 'Red');
let banana = createFruit('Banana', 'Yellow');
let blackberry = createFruit('Blackberry', 'Black');

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