From 19f14517c7637b0e277b4fc3fdfe4473e5cc1262 Mon Sep 17 00:00:00 2001
From: Shelley Vohr <shelley.vohr@gmail.com>
Date: Fri, 25 Sep 2020 22:11:13 -0700
Subject: n-api: support for object freeze/seal

PR-URL: https://github.com/nodejs/node/pull/35359
Reviewed-By: Gabriel Schulhof <gabriel.schulhof@intel.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
---
 src/js_native_api_v8.cc | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'src/js_native_api_v8.cc')

diff --git a/src/js_native_api_v8.cc b/src/js_native_api_v8.cc
index 0a069b3ae4..1feabfd879 100644
--- a/src/js_native_api_v8.cc
+++ b/src/js_native_api_v8.cc
@@ -1362,6 +1362,42 @@ napi_status napi_define_properties(napi_env env,
   return GET_RETURN_STATUS(env);
 }
 
+napi_status napi_object_freeze(napi_env env,
+                               napi_value object) {
+  NAPI_PREAMBLE(env);
+
+  v8::Local<v8::Context> context = env->context();
+  v8::Local<v8::Object> obj;
+
+  CHECK_TO_OBJECT(env, context, obj, object);
+
+  v8::Maybe<bool> set_frozen =
+    obj->SetIntegrityLevel(context, v8::IntegrityLevel::kFrozen);
+
+  RETURN_STATUS_IF_FALSE_WITH_PREAMBLE(env,
+    set_frozen.FromMaybe(false), napi_generic_failure);
+
+  return GET_RETURN_STATUS(env);
+}
+
+napi_status napi_object_seal(napi_env env,
+                             napi_value object) {
+  NAPI_PREAMBLE(env);
+
+  v8::Local<v8::Context> context = env->context();
+  v8::Local<v8::Object> obj;
+
+  CHECK_TO_OBJECT(env, context, obj, object);
+
+  v8::Maybe<bool> set_sealed =
+    obj->SetIntegrityLevel(context, v8::IntegrityLevel::kSealed);
+
+  RETURN_STATUS_IF_FALSE_WITH_PREAMBLE(env,
+    set_sealed.FromMaybe(false), napi_generic_failure);
+
+  return GET_RETURN_STATUS(env);
+}
+
 napi_status napi_is_array(napi_env env, napi_value value, bool* result) {
   CHECK_ENV(env);
   CHECK_ARG(env, value);
-- 
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