Source
import Mattress from './Mattress';
import PancakeHouseMenu from './PancakeHouseMenu';
import LunchMenu from './LunchMenu';
let oMattress = new Mattress({
pancakeHouseMenu: new PancakeHouseMenu(),
lunchMenu: new LunchMenu()
});
console.log("---------------------------------------------");
oMattress.printMenu();
console.log("---------------------------------------------");
oMattress.printBreakfastMenu();
console.log("---------------------------------------------");
oMattress.printLunchMenu();