added check module

ts/index.ts

@@ -1,16 +1,17 @@
 /// <reference path="typings/main.d.ts" />
 import plugins = require("./smartpath.plugins");
-import SmartpathTransform = require("./smartpath.transform");
+import SmartpathCheck = require("./smartpath.check");
 import SmartpathGet = require("./smartpath.get");
+import SmartpathTransform = require("./smartpath.transform");
 
 /**
  *
  * @type {{getPath: (function(any): undefined)}}
  */
 let smartpath = {
-    transform: SmartpathTransform,
-    get: SmartpathGet
-
+    check: SmartpathCheck,
+    get: SmartpathGet,
+    transform: SmartpathTransform
 };
 
 

ts/smartpath.check.ts

@@ -0,0 +1,9 @@
+import plugins = require("./smartpath.plugins");
+
+export let isDir = function(pathArg:string){
+    return !isFile(pathArg);
+}
+
+export let isFile = function(pathArg){
+    return /\.[a-zA-Z]*$/.test(pathArg); // checks if there is a .anything at the end
+}