objectFactoriesPractice.js

// let chile = {
//   name: 'The Republic of Chile',
//   continent: 'South America',
//   getDescription() {
//     return this.name + ' is located in ' + this.continent + '.';
//   },
// };

// let canada = {
//   name: 'Canada',
//   continent: 'North America',
//   getDescription() {
//     return this.name + ' is located in ' + this.continent + '.';
//   },
// };

// let southAfrica = {
//   name: 'The Republic of South Africa',
//   continent: 'Africa',
//   getDescription() {
//     return this.name + ' is located in ' + this.continent + '.';
//   },
// };

function makeCountry(name, continent, visited = false) {
  return { name,
           continent,
           visited,
           getDescription() {
             let visitString = this.visited ? 'I have visited ' : "I haven't visited ";
             return this.name + ' is located in ' + this.continent + '. ' + visitString + this.name;
           },
           visitCountry() {
             this.visited = true;
           },
          };
}

let chile = makeCountry('The Republic of Chile', 'South America');
let canada = makeCountry('Canada', 'North America');
let southAfrica = makeCountry('The Republic of South Africa', 'Africa');

console.log(chile.getDescription());       // "The Republic of Chile is located in South America."
console.log(canada.getDescription());      // "Canada is located in North America."
console.log(southAfrica.getDescription()); // "The Republic of South Africa is located in Africa."
canada.visitCountry();
console.log(canada.getDescription());