1 files changed, 77 insertions, 0 deletions
diff --git a/js/dojo/dojox/lang/functional/object.js b/js/dojo/dojox/lang/functional/object.js
new file mode 100644
index 0000000..c35ef4f
--- /dev/null
+++ b/js/dojo/dojox/lang/functional/object.js
@@ -0,0 +1,77 @@
+//>>built
+define("dojox/lang/functional/object", ["dojo/_base/kernel", "dojo/_base/lang", "dojo/_base/window", "./lambda"], function(dojo, lang, win, df){
+
+// This module adds high-level functions and related constructs:
+//	- object/dictionary helpers
+
+// Defined methods:
+//	- take any valid lambda argument as the functional argument
+//	- skip all attributes that are present in the empty object
+//		(IE and/or 3rd-party libraries).
+
+	var empty = {};
+
+/*=====
+	var df = dojox.lang.functional;
+ =====*/
+	lang.mixin(df, {
+		// object helpers
+		keys: function(/*Object*/ obj){
+			// summary: returns an array of all keys in the object
+			var t = [];
+			for(var i in obj){
+				if(!(i in empty)){
+					t.push(i);
+				}
+			}
+			return	t; // Array
+		},
+		values: function(/*Object*/ obj){
+			// summary: returns an array of all values in the object
+			var t = [];
+			for(var i in obj){
+				if(!(i in empty)){
+					t.push(obj[i]);
+				}
+			}
+			return	t; // Array
+		},
+		filterIn: function(/*Object*/ obj, /*Function|String|Array*/ f, /*Object?*/ o){
+			// summary: creates new object with all attributes that pass the test
+			//	implemented by the provided function.
+			o = o || win.global; f = df.lambda(f);
+			var t = {}, v, i;
+			for(i in obj){
+				if(!(i in empty)){
+					v = obj[i];
+					if(f.call(o, v, i, obj)){ t[i] = v; }
+				}
+			}
+			return t;	// Object
+		},
+		forIn: function(/*Object*/ obj, /*Function|String|Array*/ f, /*Object?*/ o){
+			// summary: iterates over all object attributes.
+			o = o || win.global; f = df.lambda(f);
+			for(var i in obj){
+				if(!(i in empty)){
+					f.call(o, obj[i], i, obj);
+				}
+			}
+			return o;	// Object
+		},
+		mapIn: function(/*Object*/ obj, /*Function|String|Array*/ f, /*Object?*/ o){
+			// summary: creates new object with the results of calling
+			//	a provided function on every attribute in this object.
+			o = o || win.global; f = df.lambda(f);
+			var t = {}, i;
+			for(i in obj){
+				if(!(i in empty)){
+					t[i] = f.call(o, obj[i], i, obj);
+				}
+			}
+			return t;	// Object
+		}
+	});
+	
+	return df;
+});