1 files changed, 29 insertions, 0 deletions
diff --git a/node_modules/mongoose/lib/cast/objectid.js b/node_modules/mongoose/lib/cast/objectid.js
new file mode 100644
index 0000000..67cffb5
--- /dev/null
+++ b/node_modules/mongoose/lib/cast/objectid.js
@@ -0,0 +1,29 @@
+'use strict';
+
+const ObjectId = require('../driver').get().ObjectId;
+const assert = require('assert');
+
+module.exports = function castObjectId(value) {
+  if (value == null) {
+    return value;
+  }
+
+  if (value instanceof ObjectId) {
+    return value;
+  }
+
+  if (value._id) {
+    if (value._id instanceof ObjectId) {
+      return value._id;
+    }
+    if (value._id.toString instanceof Function) {
+      return new ObjectId(value._id.toString());
+    }
+  }
+
+  if (value.toString instanceof Function) {
+    return new ObjectId(value.toString());
+  }
+
+  assert.ok(false);
+};
+\ No newline at end of file