src: pass along MaybeLocal<> state from URL::ToObject()

PR-URL: #25141
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Gus Caplan <[email protected]>

Author: addaleax

src/module_wrap.cc

@@ -708,7 +708,9 @@ void ModuleWrap::Resolve(const FunctionCallbackInfo<Value>& args) {
     return node::THROW_ERR_MISSING_MODULE(env, msg.c_str());
   }
 
-  args.GetReturnValue().Set(result.FromJust().ToObject(env));
+  MaybeLocal<Value> obj = result.FromJust().ToObject(env);
+  if (!obj.IsEmpty())
+    args.GetReturnValue().Set(obj.ToLocalChecked());
 }
 
 static MaybeLocal<Promise> ImportModuleDynamically(

src/node_url.cc

@@ -2381,7 +2381,7 @@ URL URL::FromFilePath(const std::string& file_path) {
 // This function works by calling out to a JS function that creates and
 // returns the JS URL object. Be mindful of the JS<->Native boundary
 // crossing that is required.
-const Local<Value> URL::ToObject(Environment* env) const {
+MaybeLocal<Value> URL::ToObject(Environment* env) const {
   Isolate* isolate = env->isolate();
   Local<Context> context = env->context();
   Context::Scope context_scope(context);
@@ -2417,7 +2417,7 @@ const Local<Value> URL::ToObject(Environment* env) const {
         ->Call(env->context(), undef, arraysize(argv), argv);
   }
 
-  return ret.ToLocalChecked();
+  return ret;
 }
 
 static void SetURLConstructor(const FunctionCallbackInfo<Value>& args) {

src/node_url.h

@@ -11,10 +11,6 @@
 namespace node {
 namespace url {
 
-using v8::Local;
-using v8::Value;
-
-
 #define PARSESTATES(XX)                                                       \
   XX(kSchemeStart)                                                            \
   XX(kScheme)                                                                 \
@@ -171,7 +167,7 @@ class URL {
   // Get the file URL from native file system path.
   static URL FromFilePath(const std::string& file_path);
 
-  const Local<Value> ToObject(Environment* env) const;
+  v8::MaybeLocal<v8::Value> ToObject(Environment* env) const;
 
   URL(const URL&) = default;
   URL& operator=(const URL&) = default;