vogels - npm Package Compare versions

Comparing version 0.1.2 to 0.1.3

lib/serializer.js

@@ -150,3 +150,3 @@ 'use strict';
 internals.serializeAttribute = function (value, attr, options) {
-  if(!attr) {
+  if(!attr || _.isNull(value)) {
     return null;
@@ -212,3 +212,7 @@ }
     if(_.has(item, key)) {
-      result[key] = internals.serializeAttribute(item[key], attr, options);
+      var val = internals.serializeAttribute(item[key], attr, options);
+
+      if(!_.isNull(val) || options.returnNulls) {
+        result[key] = val;
+      }
     }
@@ -223,7 +227,11 @@
 serializer.serializeItemForUpdate = function (schema, action, item) {
-  var serialized = serializer.serializeItem(schema, item);
+  var serialized = serializer.serializeItem(schema, item, {returnNulls: true});
 
   return _.reduce(serialized, function (result, value, key) {
     if(key !== schema.hashKey && key !== schema.rangeKey) {
-      result[key] = {Action : action, Value: value};
+      if(_.isNull(value)) {
+        result[key] = {Action : 'DELETE'};
+      } else {
+        result[key] = {Action : action, Value: value};
+      }
     }
@@ -230,0 +238,0 @@

package.json

 {
   "name": "vogels",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "author": "Ryan Fitzgerald <[e-mail]>",
@@ -5,0 +5,0 @@ "description": "DynamoDB data mapper",

test/serializer-test.js

@@ -100,3 +100,3 @@ 'use strict';
       serializer.serializeItem(schema, {agree: 'false'}).should.eql({agree: {N: '0'}});
-      serializer.serializeItem(schema, {agree: null}).should.eql({agree: {N: '0'}});
+      //serializer.serializeItem(schema, {agree: null}).should.eql({agree: {N: '0'}});
       serializer.serializeItem(schema, {agree: 0}).should.eql({agree: {N: '0'}});
@@ -306,2 +306,14 @@ });
 
+    it('should serialize null value to a DELETE action', function () {
+      schema.String('name');
+      schema.Number('age');
+
+      var item = serializer.serializeItemForUpdate(schema, 'PUT', {age: null, name : 'Foo Bar'});
+
+      item.should.eql({
+        name: {Action: 'PUT', Value: {S: 'Foo Bar'} },
+        age:  {Action: 'DELETE'}
+      });
+    });
+
     it('should not serialize hashkey attribute', function () {
@@ -308,0 +320,0 @@ schema.String('email', {hashKey: true});

No alert changes

Improved metrics

Total package byte prevSize

93376

increased by0.62%

Lines of code

2461

increased by0.65%

No dependency changes