Added facade

Author: Savjee

facade/facade.ts

@@ -0,0 +1,111 @@
+class BlurayPlayer{
+    on() {
+        console.log('Bluray player turning on...');
+    }
+
+    turnOff() {
+        console.log('Bluray turning off..');
+    }
+
+    play() {
+        console.log('Playing bluray disc...');
+    }
+}
+
+class Amplifier{
+    on() {
+        console.log('Amp is turning on..');
+    }
+
+    turnOff() {
+        console.log('Amplifier turning off..');
+    }
+
+    setSource(source: string) {
+        console.log('Setting source to ' + source);
+    }
+
+    setVolume(volumeLevel: number) {
+        console.log('Setting volume to ' + volumeLevel);
+    }
+}
+
+class Lights{
+    dim() {
+        console.log('Lights are dimming..');
+    }
+}
+
+class TV{
+    turnOn() {
+        console.log('TV turning on..');
+    }
+
+    turnOff() {
+        console.log('TV turning off..');
+    }
+}
+
+class PopcornMaker{
+    turnOn() {
+        console.log('Popcorn maker turning on..');
+    }
+
+    turnOff() {
+        console.log('Popcorn maker turning off..');
+    }
+
+    pop() {
+        console.log('Popping corn!');
+    }
+}
+
+// ----
+class HomeTheaterFacade{
+    private bluray: BlurayPlayer;
+    private amp: Amplifier;
+    private lights : Lights;
+    private tv : TV;
+    private popcornMaker: PopcornMaker;
+
+    constructor(amp: Amplifier, bluray: BlurayPlayer, lights: Lights, tv: TV, popcornMaker: PopcornMaker){
+        this.bluray = bluray;
+        this.amp = amp;
+        this.lights = lights;
+        this.tv = tv;
+        this.popcornMaker = popcornMaker;
+    }
+
+    public watchMovie() {
+        this.popcornMaker.turnOn();
+        this.popcornMaker.pop();
+
+        this.lights.dim();
+
+        this.tv.turnOn();
+
+        this.amp.on();
+        this.amp.setSource('bluray');
+        this.amp.setVolume(11);
+
+        this.bluray.on();
+        this.bluray.play();
+    }
+
+    endMovie() {
+        this.popcornMaker.turnOff();
+        this.amp.turnOff();
+        this.tv.turnOff();
+        this.bluray.turnOff();
+    }
+}
+
+// ----
+let bluray = new BlurayPlayer();
+let amp = new Amplifier();
+let lights = new Lights();
+let tv = new TV();
+let popcornMaker = new PopcornMaker();
+
+let hometheater = new HomeTheaterFacade(amp, bluray, lights, tv, popcornMaker);
+hometheater.watchMovie();