set all data but return only changed

borovin · Aug 31, 2015 · 94787c5 · 94787c5
1 parent e175756
commit 94787c5
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Showing 2 changed files with 47 additions and 4 deletions.
diff --git a/index.js b/index.js
@@ -77,17 +77,15 @@ function pathToObject(path, value) {
 
 module.exports = function (object, path, data) {
 
-    var changedData;
-
     if (typeof path === 'string') {
         data = pathToObject(path, deepExtend.apply(null, [].slice.call(arguments, 2)));
     } else {
         data = deepExtend.apply(null, [].slice.call(arguments, 1));
     }
 
-    changedData = getChanges(data, object);
+    var changedData = getChanges(data, object);
 
-    deepExtend(object, changedData);
+    deepExtend(object, data);
 
     return changedData;
 

diff --git a/index.spec.js b/index.spec.js
@@ -150,4 +150,49 @@ describe(module.id, function(){
 
     });
 
+    it('All properties set by values', function(){
+
+        var a = {},
+            b = {},
+            object = {
+                c: {
+                    d: 1
+                }
+            };
+
+        set(a, object);
+        set(b, object);
+
+        a.c.d = 2;
+
+        expect(b.c.d).toEqual(1);
+
+    });
+
+    it('Unchanged properties set by values', function(){
+
+        var object = {
+                c: 1
+            };
+
+        var a = {
+            object: object
+        };
+
+        var b = {
+            object: object
+        };
+
+        set(a, {
+            object: object
+        });
+        set(b, {
+            object: object
+        });
+
+        a.object.c = 2;
+
+        expect(b.object.c).toEqual(1);
+
+    });
 });