wsh lookup implementation

src/cli/wsh.js

@@ -12,6 +12,9 @@ var wshapi = (function(){
     var shell = WScript.CreateObject("WScript.Shell");
     var finalArgs = [], i, args = WScript.Arguments;
 
+    var WshShell = new ActiveXObject("WScript.Shell");
+    var userhome = WshShell.ExpandEnvironmentStrings("%USERPROFILE%");
+
     if (typeof Array.prototype.forEach !== "function") {
         Array.prototype.forEach = function(f,m) {
             for (var i=0, L=this.length; i<L; ++i) {
@@ -72,6 +75,39 @@ var wshapi = (function(){
         };
     }
 
+    //https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map
+    if (!Array.prototype.map)
+    {
+        Array.prototype.map = function(fun /*, thisArg */ ) {
+            "use strict";
+
+            if (this === void 0 || this === null) {
+                throw new TypeError();
+            }
+
+            var t = Object(this);
+            var len = t.length >>> 0;
+            if (typeof fun !== "function") {
+                throw new TypeError();
+            }
+
+            var res = new Array(len);
+            var thisArg = arguments.length >= 2 ? arguments[1] : void 0;
+            for (var i = 0; i < len; i++) {
+                // NOTE: Absolute correctness would demand Object.defineProperty
+                //       be used.  But this method is fairly new, and failure is
+                //       possible only if Object.prototype or Array.prototype
+                //       has a property |i| (very unlikely), so use a less-correct
+                //       but more portable alternative.
+                if (i in t) {
+                    res[i] = fun.call(thisArg, t[i], i, t);
+                }
+            }
+
+            return res;
+        };
+    }
+
     function traverseDir(files, path) {
         var filename, folder = fso.GetFolder(path),
             subFlds, fc = new Enumerator(folder.files);
@@ -100,6 +136,7 @@ var wshapi = (function(){
         args: finalArgs,
         print: function(s) { WScript.Echo(s);},
         quit: function (v) { WScript.Quit(v);},
+        userhome: userhome,
 
         isDirectory: function(name){
             return fso.FolderExists(name);