Merge pull request #575 from benkitzelman/expose-dirtyness

Exposing dirtyProperties array on the instance

Author: dxg

lib/Instance.js

@@ -647,6 +647,10 @@ function Instance(Model, opts) {
 		enumerable: false,
 		writable: true
 	});
+	Object.defineProperty(instance, "dirtyProperties", {
+		get: function () { return opts.changes; },
+		enumerable: false
+	});
 	Object.defineProperty(instance, "isInstance", {
 		value: true,
 		enumerable: false

package.json

@@ -12,7 +12,7 @@
 		"sqlite",
 		"mongodb"
 	],
-	"version"     : "2.1.19",
+	"version"     : "2.1.20",
 	"license"     : "MIT",
 	"homepage"    : "http://dresende.github.io/node-orm2",
 	"repository"  : "http://github.com/dresende/node-orm2.git",

test/integration/instance.js

@@ -276,6 +276,27 @@ describe("Model instance", function() {
 		});
 	});
 
+	describe("#dirtyProperties", function () {
+		var person = null;
+
+		beforeEach(function (done) {
+			Person.create({ name: 'John', age: 44, data: { a: 1 } }, function (err, p) {
+				if (err) return cb(err);
+
+				person = p;
+				done();
+			});
+		});
+
+		it("should mark individual properties as dirty", function () {
+			should.equal(person.saved(), true);
+			person.markAsDirty('name');
+			person.markAsDirty('data');
+			should.equal(person.saved(), false);
+			should.equal(person.dirtyProperties.join(','), 'name,data');
+		});
+	});
+
 	describe("#isShell", function () {
 		it("should return true for shell models", function () {
 			should.equal(Person(4).isShell(), true);