Constructor and prototypeFactory

Constructor and prototypeFactory

class Car {
  constructor(options) {
    this.doors = options.doors || 4;
    this.state = options.state || "brand new";
    this.color = options.color || "silver";
  }
}

class Truck {
  constructor(options) {
    this.state = options.state || "used";
    this.wheelSize = options.wheelSize || "large";
    this.color = options.color || "blue";
  }
}

class VehicleFactory {
  constructor() {
    this.vehicleClass = Car;
  }

  createVehicle(options) {
    if (options.vehicleType === "car") {
      this.vehicleClass = Car;
    } else {
      this.vehicleClass = Truck;
    }

    return new this.vehicleClass(options);
  }
}

const carFactory = new VehicleFactory();
const car = carFactory.createVehicle({ vehicleType: "car", color: "yellow", doors: 6 });

console.log(car instanceof Car); // Outputs: true
console.log(car); // Outputs: Car object of color "yellow", doors: 6 in a "brand new" state