public void CopyAppResources()

in Tools/Common/PowerApps.Tools.Utilities/Helper.cs [62:99]
31 lines of code
7 McCabe index (conditional complexity)

        public void CopyAppResources(string msAppPath, string sourcePath, string destinationPath)
        {
            if (string.IsNullOrWhiteSpace(sourcePath) ||
                string.IsNullOrWhiteSpace(destinationPath))
                throw new ArgumentNullException("App path is null or empty.");

            CreateDirectoryIfNotExist(destinationPath);

            var assetPath = Path.Combine(sourcePath, AppFileName.AssetsDirectoryName);

            if (Directory.Exists(assetPath))
            {
                var assetFilesPath = new List<string>();

                var directoryList = Directory.GetDirectories(assetPath)?.ToList() ?? new List<string>();
                directoryList.Add(assetPath);

                directoryList?.ForEach(r =>
                {
                    //  CreateDirectoryIfNotExist(r.Replace(sourcePath, destinationPath));
                    var filePath = Directory.GetFiles(r)?.ToList();
                    if (filePath != null && filePath.Count > 0)
                        assetFilesPath.AddRange(filePath);
                });

                foreach (string file in assetFilesPath)
                {
                    using (FileStream zipToOpen = new FileStream(msAppPath, FileMode.Open))
                    {
                        using (ZipArchive archive = new ZipArchive(zipToOpen, ZipArchiveMode.Update))
                        {
                            string entryName = file.Substring(file.IndexOf(AppFileName.AssetsDirectoryName));
                            ZipFileExtensions.CreateEntryFromFile(archive, file, entryName);
                        }
                    }
                }
            }
        }