1 files changed, 10 insertions, 0 deletions
diff --git a/src/js_native_api_types.h b/src/js_native_api_types.h
index 115ccebf261..7011c80e671 100644
--- a/src/js_native_api_types.h
+++ b/src/js_native_api_types.h
@@ -30,6 +30,16 @@ typedef enum {
   // Used with napi_define_class to distinguish static properties
   // from instance properties. Ignored by napi_define_properties.
   napi_static = 1 << 10,
+
+#ifdef NAPI_EXPERIMENTAL
+  // Default for class methods.
+  napi_default_method = napi_writable | napi_configurable,
+
+  // Default for object properties, like in JS obj[prop].
+  napi_default_jsproperty = napi_writable |
+                            napi_enumerable |
+                            napi_configurable,
+#endif  // NAPI_EXPERIMENTAL
 } napi_property_attributes;
 
 typedef enum {