Add demo to factory method

Author: torokmark

factory_method/demo.ts

@@ -0,0 +1,15 @@
+/// <reference path="factoryMethod.ts" />
+
+namespace FactoryMethodPattern {
+	export namespace Demo {
+		export function show() : void {
+		    var a: FactoryMethodPattern.AbstractProduct = FactoryMethodPattern.ProductFactory.createProduct("A");
+		    var b: FactoryMethodPattern.AbstractProduct = FactoryMethodPattern.ProductFactory.createProduct("B");
+
+		    console.log(a.method());
+		    console.log(b.method());
+		};
+	}
+}
+
+FactoryMethodPattern.Demo.show();

factory_method/factoryMethod.ts

@@ -1,39 +1,31 @@
-namespace FactoryMethodPattern {
-
-    export interface AbstractProduct {
-        method(param?: any) : void;
-    }
-
-    export class ConcreteProductA implements AbstractProduct {
-        method = (param?: any) => {
-            return "This is method of ConcreteProductA";
-        }
-    }
-
-    export class ConcreteProductB implements AbstractProduct {
-        method = (param?: any) => {
-            return "This is method of ConcreteProductB";
-        }
-    }
-
-
-    export class ProductFactory {
-        public static createProduct(type: string) : AbstractProduct {
-            if (type === "A") {
-                return new ConcreteProductA();
-            } else if (type === "B") {
-                return new ConcreteProductB();
-            }
-
-            return null;
-        }
-    }
-}
-
-(function main() {
-    var a: FactoryMethodPattern.AbstractProduct = FactoryMethodPattern.ProductFactory.createProduct("A");
-    var b: FactoryMethodPattern.AbstractProduct = FactoryMethodPattern.ProductFactory.createProduct("B");
-
-    console.log(a.method());
-    console.log(b.method());
-}());
+namespace FactoryMethodPattern {
+
+    export interface AbstractProduct {
+        method(param?: any) : void;
+    }
+
+    export class ConcreteProductA implements AbstractProduct {
+        method = (param?: any) => {
+            return "Method of ConcreteProductA";
+        }
+    }
+
+    export class ConcreteProductB implements AbstractProduct {
+        method = (param?: any) => {
+            return "Method of ConcreteProductB";
+        }
+    }
+
+
+    export class ProductFactory {
+        public static createProduct(type: string) : AbstractProduct {
+            if (type === "A") {
+                return new ConcreteProductA();
+            } else if (type === "B") {
+                return new ConcreteProductB();
+            }
+
+            return null;
+        }
+    }
+}