src: fix to generate path from wchar_t via wstring.

Author: yamachu

src/node_modules.cc

@@ -16,6 +16,10 @@
 
 #include "simdjson.h"
 
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
 namespace node {
 namespace modules {
 
@@ -326,6 +330,18 @@ const BindingData::PackageConfig* BindingData::TraverseParent(
   return nullptr;
 }
 
+#ifdef _WIN32
+std::wstring MaybeWCharTToWString(const std::string& input) {
+  bool is_unicode = IsTextUnicode(input.c_str(), input.size(), nullptr);
+  auto code_page = is_unicode ? CP_UTF8 : GetACP();
+  int length = MultiByteToWideChar(code_page, 0, input.c_str(), -1, nullptr, 0);
+
+  std::wstring wide_str(length, 0);
+  MultiByteToWideChar(code_page, 0, input.c_str(), -1, &wide_str[0], length);
+  return wide_str;
+}
+#endif
+
 void BindingData::GetNearestParentPackageJSON(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   CHECK_GE(args.Length(), 1);
@@ -344,8 +360,16 @@ void BindingData::GetNearestParentPackageJSON(
     path_value_str.push_back(kPathSeparator);
   }
 
-  auto package_json =
-      TraverseParent(realm, std::filesystem::path(path_value_str));
+  std::filesystem::path path;
+
+#ifdef _WIN32
+  std::wstring wide_path = MaybeWCharTToWString(path_value_str);
+  path = std::filesystem::path(wide_path);
+#else
+  path = std::filesystem::path(path_value_str);
+#endif
+
+  auto package_json = TraverseParent(realm, path);
 
   if (package_json != nullptr) {
     args.GetReturnValue().Set(package_json->Serialize(realm));
@@ -370,8 +394,16 @@ void BindingData::GetNearestParentPackageJSONType(
     path_value_str.push_back(kPathSeparator);
   }
 
-  auto package_json =
-      TraverseParent(realm, std::filesystem::path(path_value_str));
+  std::filesystem::path path;
+
+#ifdef _WIN32
+  std::wstring wide_path = MaybeWCharTToWString(path_value_str);
+  path = std::filesystem::path(wide_path);
+#else
+  path = std::filesystem::path(path_value_str);
+#endif
+
+  auto package_json = TraverseParent(realm, path);
 
   if (package_json == nullptr) {
     return;