designpatterns-abstract-factory.ts

interface Tablet {
  switchOn();
}

interface Smartphone {
  switchOn();
  ring();
}

class SamsungSmartphone implements Smartphone {
  public switchOn() {
    console.log("Samsung Smartphone: Switching on");
  }

  public ring() {
    console.log("Samsung Smartphone: Ringing");
  }
}

class AppleSmartphone implements Smartphone {
  public switchOn() {
    console.log("Apple Smartphone: Switching on");
  }

  public ring() {
    console.log("Apple Smartphone: Ringing");
  }
}

class AppleTablet implements Tablet {
  public switchOn() {
    console.log("Apple Tablet: Switching on");
  }
}

class SamsungTablet implements Tablet {
  public switchOn() {
    console.log("Samsung Tablet: Switching on");
  }
}

interface DeviceFactory {
  createSmartphone(): Smartphone;
  createTablet(): Tablet;
}

class AppleFactory implements DeviceFactory {
  public createSmartphone(): Smartphone {
    return new AppleSmartphone();
  }

  public createTablet(): Tablet {
    return new AppleTablet();
  }
}

class SamsungFactory implements DeviceFactory {
  public createSmartphone(): Smartphone {
    return new SamsungSmartphone();
  }

  public createTablet(): Tablet {
    return new SamsungTablet();
  }
}

function client(factory: DeviceFactory) {
  const smartphone = factory.createSmartphone();
  smartphone.ring();

  const tablet = factory.createTablet();

  tablet.switchOn();
}


client(new SamsungFactory);

// Samsung Smartphone: Ringing
// Samsung Tablet: Switching on