drogon搜索vite生成的js及css

std::vector<std::tuple<std::string,std::string>> get_files(std::string& dir,std::string& web_dir){
   // ../assets/Index/dist/assets
    auto ret = std::vector<std::tuple<std::string,std::string>>();
    std::filesystem::path p(dir);
    if(std::filesystem::is_directory(p)){
        for(std::filesystem::path elem : std::filesystem::directory_iterator(p)){
            if(elem.extension()==".js" ){
                ret.push_back(
                    std::make_tuple(
                        web_dir+'/'+elem.filename().string(),
                        "js"
                    ));
            }
            else if(elem.extension() == ".css"){
                ret.push_back(
                    std::make_tuple(
                        web_dir+'/'+elem.filename().string(),
                        "css"
                    ));
            }
         }
    }
    else{
        std::cout<<"not directory"<<std::endl;
    }
    return ret;
}