Wzorzec Factory

// jedynym celem Fabryki jest dostarczanie obiektow jakichs tam klas

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

class Truck {
    constructor(options) {
    this.doors = options.doors || 4;
    this.state = options.state || 'used';
    this.color = options.color || 'black';
  }
}

class VechicleFactory {
    createVechicle(options) {
    switch(options.vechicleType) {
        case "car": return new Car(options);
      case "truck": return new Truck(options);
    }
  }
}

const factory = new VechicleFactory();
const car = factory.createVechicle({
    vechicleType: "car",
  doors: 4,
  color: "silver",
  state: "crashed"
})
const truck = factory.createVechicle({
    vechicleType: "truck",
  doors: 2,
  color: "red",
  state: "new"
})

console.log('car',car)