replaced dateOptionalTime as strict_date_optional_time||epoch_millis

https://www.elastic.co/guide/en/elasticsearch/reference/2.4/mapping-date
-format.html

Author: kelp404

lib/document.js

@@ -385,7 +385,7 @@
                 break;
               case properties.DateProperty:
                 field.type = 'date';
-                field.format = 'dateOptionalTime';
+                field.format = 'strict_date_optional_time||epoch_millis';
                 break;
               case properties.ReferenceProperty:
                 field.type = 'string';
@@ -407,7 +407,7 @@
                     break;
                   case properties.DateProperty:
                     field.type = 'date';
-                    field.format = 'dateOptionalTime';
+                    field.format = 'strict_date_optional_time||epoch_millis';
                     break;
                   case properties.ReferenceProperty:
                     field.type = 'string';

package.json

@@ -1,6 +1,6 @@
 {
   "name": "enju",
-  "version": "0.2.6",
+  "version": "0.2.8",
   "description": "An elasticsearch on node.js written in CoffeeScript.",
   "main": "index.js",
   "scripts": {

src/lib/document.coffee

@@ -273,7 +273,7 @@ module.exports = class Document
                         field.type = 'double'
                     when properties.DateProperty
                         field.type = 'date'
-                        field.format = 'dateOptionalTime'
+                        field.format = 'strict_date_optional_time||epoch_millis'
                     when properties.ReferenceProperty
                         field.type = 'string'
                         field.analyzer = 'keyword'
@@ -289,7 +289,7 @@ module.exports = class Document
                                 field.type = 'double'
                             when properties.DateProperty
                                 field.type = 'date'
-                                field.format = 'dateOptionalTime'
+                                field.format = 'strict_date_optional_time||epoch_millis'
                             when properties.ReferenceProperty
                                 field.type = 'string'
                                 field.analyzer = 'keyword'