Handle Date object packing

package.json

@@ -1,7 +1,7 @@
 {
 	"name": "msgpack",
 	"description": "A space-efficient object serialization library for node.js",
-	"version": "0.1.6",
+	"version": "0.1.7",
 	"homepage": "https://github.com/pgriess/node-msgpack",
 	"author": "Peter Griess <pg@std.in>",
 	"contributors": [

src/msgpack.cc

@@ -174,6 +174,16 @@ v8_to_msgpack(Handle<Value> v8obj, msgpack_object *mo, msgpack_zone *mz,
         mo->via.raw.ptr = (char*) msgpack_zone_malloc(mz, mo->via.raw.size);
 
         DecodeWrite((char*) mo->via.raw.ptr, mo->via.raw.size, v8obj, UTF8);
+    } else if (v8obj->IsDate()) {
+        mo->type = MSGPACK_OBJECT_RAW;
+        Handle<Date> date = Handle<Date>::Cast(v8obj);
+        Handle<Function> func = Handle<Function>::Cast(date->Get(String::New("toISOString")));
+        Handle<Value> argv[0] = {};
+        Handle<Value> result = func->Call(date, 0, argv);
+        mo->via.raw.size = static_cast<uint32_t>(DecodeBytes(result, UTF8));
+        mo->via.raw.ptr = (char*) msgpack_zone_malloc(mz, mo->via.raw.size);
+
+        DecodeWrite((char*) mo->via.raw.ptr, mo->via.raw.size, result, UTF8);
     } else if (v8obj->IsArray()) {
         Local<Object> o = v8obj->ToObject();
         Local<Array> a = Local<Array>::Cast(o);

test/test.js

@@ -30,6 +30,11 @@ testEqual([1, 2, 3]);
 testEqual([1, 'abc', false, null]);
 testEqual({'a' : [1, 2, 3], 'b' : 'cdef', 'c' : {'nuts' : 'qqq'}});
 
+// Make sure dates are handled properly
+var date = new Date();
+var dateWrapper = {d: date};
+assert.deepEqual({d: date.toISOString()}, msgpack.unpack(msgpack.pack(dateWrapper)));
+
 // Make sure we're catching circular references for arrays
 var a = [1, 2, 3, 4];
 a.push(a);