node-api: add napi_set_prototype

Author: siaeyy

src/js_native_api.h

@@ -197,6 +197,9 @@ NAPI_EXTERN napi_status NAPI_CDECL napi_coerce_to_string(napi_env env,
                                                          napi_value* result);
 
 // Methods to work with Objects
+NAPI_EXTERN napi_status NAPI_CDECL napi_set_prototype(napi_env env,
+                                                      napi_value object,
+                                                      napi_value value);
 NAPI_EXTERN napi_status NAPI_CDECL napi_get_prototype(napi_env env,
                                                       napi_value object,
                                                       napi_value* result);

src/js_native_api_v8.cc

@@ -1567,6 +1567,26 @@ napi_status NAPI_CDECL napi_strict_equals(napi_env env,
   return GET_RETURN_STATUS(env);
 }
 
+napi_status NAPI_CDECL napi_set_prototype(napi_env env,
+                                          napi_value object,
+                                          napi_value value) {
+  NAPI_PREAMBLE(env);
+  CHECK_ARG(env, value);
+
+  v8::Local<v8::Context> context = env->context();
+  v8::Local<v8::Object> obj;
+
+  CHECK_TO_OBJECT(env, context, obj, object);
+
+  v8::Local<v8::Value> val = v8impl::V8LocalValueFromJsValue(value);
+
+  v8::Maybe<bool> set_maybe = obj->SetPrototypeV2(context, val);
+
+  RETURN_STATUS_IF_FALSE_WITH_PREAMBLE(
+      env, set_maybe.FromMaybe(false), napi_generic_failure);
+  return GET_RETURN_STATUS(env);
+}
+
 napi_status NAPI_CDECL napi_get_prototype(napi_env env,
                                           napi_value object,
                                           napi_value* result) {