designpatterns-factory-method.ts

interface Vehicle {
  setMode(mode);
  move();
}

abstract class Delivery {
  public abstract makeVehicle(): Vehicle;

  public handle() {
    const vehicle = this.makeVehicle();
    vehicle.move();
  }
}

class BikeDelivery extends Delivery {
  public makeVehicle() {
    const bike = new Bike();
    bike.setMode('eco');

    return bike;
  }
}

class CarDelivery extends Delivery {
  public makeVehicle() {
    const car = new Car();
    car.setColor('green');

    return car;
  }
}

class Bike implements Vehicle {
  setMode(mode) {}
  move() {
    console.log('Moving by bike');
  };
}

class Car implements Vehicle {
  setMode(mode) {}
  move() {
    console.log('Moving by car');
  }
  setColor(color) {}
}

const init = new CarDelivery();
init.handle();