Port some amount of code to typescript

WebsocketTest.ts

@@ -0,0 +1,30 @@
+// @ts-ignore
+const Websocket = require('ws');
+
+const ws = new Websocket('ws://localhost:8191');
+ws.on('open', function open() {
+    ws.send('something');
+});
+
+interface Animal {
+    doNoise(): void;
+}
+
+class Dog implements Animal {
+    doNoise(): void {
+        console.log("woof");
+    }
+}
+
+class Cat implements Animal {
+    doNoise(): void {
+        console.log("meow");
+    }
+}
+
+const dog = new Dog();
+dog.doNoise();
+const cat = new Cat();
+cat.doNoise();
+let animals: Animal[] = [dog, cat];
+animals.forEach(animal => animal.doNoise());