vendor/assets/javascripts/mootools-plus/array.js in mootools-plus-0.1.4 vs vendor/assets/javascripts/mootools-plus/array.js in mootools-plus-0.1.5

@@ -10,19 +10,33 @@
     },
 
     deleteIf: function(fn){
       for (var i = 0, length = this.length; i < length; i++) {
         var el = this.shift()
-        if (!fn.call(el)) this.push(el)
+        if (fn.call(el)) this.push(el)
       }
       return this
+    },
+
+    filterOne: function(fn, bind){
+      return this.filter(fn, bind).getFirst()
+    },
+
+    isBlank: function(){
+      return this.length == 0
+    },
+
+    hasAny: function(){
+      return !this.isBlank()
     }
   })
 
   Array.alias('first', 'getFirst')
   Array.alias('last', 'getLast')
   Array.alias('select', 'filter')
+  Array.alias('selectOne', 'filterOne')
   Array.alias('compact', 'clean')
+  Array.alias('isEmpty', 'isBlank')
 }
 else {
   if (console && console.error) console.error('Mootools is not yet installed.')
 }