compact like in ruby, but for hashes

ljharb · Sep 8, 2010 · 0d8e1e6 · 0d8e1e6
1 parent fa2d72b
commit 0d8e1e6
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/hash.js b/lib/hash.js
@@ -85,6 +85,10 @@ function Hash (hash, extra) {
         return memoized.values;
     } });
 
+    Object.defineProperty(self, 'compact', { get : function () {
+        return Hash(hash).filter(function (x) { return x !== undefined });
+    } });
+
     Object.defineProperty(self, 'clone', { get : function () {
         return Hash(Hash.clone(hash));
     } });