Merge pull request #13323 from Automattic/vkarpov15/gh-13103

feat: handle MongoDB's new UUID type, export `mongoose.Types.UUID`

lib/types/index.js

@@ -19,4 +19,4 @@ exports.Map = require('./map');
 
 exports.Subdocument = require('./subdocument');
 
-exports.UUID = require('mongodb').BSON.UUID;
+exports.UUID = require('./uuid');

lib/types/uuid.js

@@ -0,0 +1,13 @@
+/**
+ * UUID type constructor
+ *
+ * #### Example:
+ *
+ *     const id = new mongoose.Types.UUID();
+ *
+ * @constructor UUID
+ */
+
+'use strict';
+
+module.exports = require('bson').UUID;

test/schema.uuid.test.js

@@ -129,6 +129,28 @@ describe('SchemaUUID', function() {
     assert.equal(organization, undefined);
   });
 
+  it('handles built-in UUID type (gh-13103)', async function() {
+    const schema = new Schema({
+      _id: {
+        type: Schema.Types.UUID
+      }
+    }, { _id: false });
+
+    db.deleteModel(/Test/);
+    const Test = db.model('Test', schema);
+
+    const uuid = new mongoose.Types.UUID();
+    let { _id } = await Test.create({ _id: uuid });
+    assert.ok(_id);
+    assert.equal(typeof _id, 'string');
+    assert.equal(_id, uuid.toString());
+
+    ({ _id } = await Test.findById(uuid));
+    assert.ok(_id);
+    assert.equal(typeof _id, 'string');
+    assert.equal(_id, uuid.toString());
+  });
+
   // the following are TODOs based on SchemaUUID.prototype.$conditionalHandlers which are not tested yet
   it('should work with $bits* operators');
   it('should work with $all operator');