key and value getters

ljharb · Aug 27, 2010 · 459def9 · 459def9
1 parent 2d9f7a2
commit 459def9
Showing 1 changed file with 13 additions and 2 deletions.
diff --git a/lib/hash.js b/lib/hash.js
@@ -3,7 +3,7 @@ var Traverse = require('traverse');
 
 function Hash (ref) {
     var hash = Traverse.clone(ref);
-    return {
+    var self = {
         map : function (f) {
             var acc = { __proto__ : hash.__proto__ };
             Object.keys(hash).forEach(function (key) {
@@ -35,8 +35,19 @@ function Hash (ref) {
             });
             return acc;
         },
-        end : hash,
+        end : hash
     };
+
+    Object.defineProperty(self, 'keys', { get : function () {
+        return Object.keys(hash);
+    } });
+
+    Object.defineProperty(self, 'values', { get : function () {
+        return Object.keys(hash)
+            .map(function (key) { return hash[key] })
+    } });
+
+    return self;
 };
 
 Hash.map = function (ref, f) {