try with .native()

src/node_file.cc

@@ -1687,7 +1687,7 @@ static void RmSync(const FunctionCallbackInfo<Value>& args) {
  }
 
  // On Windows path::c_str() returns wide char, convert to std::string first.
- std::string file_path_str = file_path.string();
+ std::string file_path_str = file_path.native();
  const char* path_c_str = file_path_str.c_str();
 #ifdef _WIN32
  int permission_denied_error = EPERM;
@@ -3180,7 +3180,7 @@ static void CpSyncCheckPaths(const FunctionCallbackInfo<Value>& args) {
  // Check if src and dest are identical.
  if (std::filesystem::equivalent(src_path, dest_path)) {
  std::string message = "src and dest cannot be the same %s";
- return THROW_ERR_FS_CP_EINVAL(env, message.c_str(), dest_path.string());
+ return THROW_ERR_FS_CP_EINVAL(env, message.c_str(), dest_path.native());
  }
 
  const bool dest_is_dir =
@@ -3190,19 +3190,19 @@ static void CpSyncCheckPaths(const FunctionCallbackInfo<Value>& args) {
  std::string message =
  "Cannot overwrite non-directory %s with directory %s";
  return THROW_ERR_FS_CP_DIR_TO_NON_DIR(
- env, message.c_str(), src_path.string(), dest_path.string());
+ env, message.c_str(), src_path.native(), dest_path.native());
  }
 
  if (!src_is_dir && dest_is_dir) {
  std::string message =
  "Cannot overwrite directory %s with non-directory %s";
  return THROW_ERR_FS_CP_NON_DIR_TO_DIR(
- env, message.c_str(), dest_path.string(), src_path.string());
+ env, message.c_str(), dest_path.native(), src_path.native());
  }
  }
 
- std::string dest_path_str = dest_path.string();
- std::string src_path_str = src_path.string();
+ std::string dest_path_str = dest_path.native();
+ std::string src_path_str = src_path.native();
  if (!src_path_str.ends_with(std::filesystem::path::preferred_separator)) {
  src_path_str += std::filesystem::path::preferred_separator;
  }