get all files and directories in C# and set all files and directories in JS

C#
GetFilesAndDirectories(@”C:”, true);

private List<object> GetFilesAndDirectories(string path, bool isRoot = false) {
  List<object> fileList = new List<object>();
  Dictionary<string, object> fileItem = new Dictionary<string, object>();
  if (isRoot) {
    fileItem = new Dictionary<string, object>();
    fileItem[“type”] = “dir”;
    fileItem[“value”] = path.Substring(path.LastIndexOf(Path.DirectorySeparatorChar) + 1);
    fileItem[“path”] = path;
    fileItem[“fileList”] = GetFilesAndDirectories(path);
    fileList.Add(fileItem);
  } else {
    foreach (string dir in Directory.GetDirectories(path)) {
      fileItem = new Dictionary<string, object>();
      fileItem[“type”] = “dir”;
      fileItem[“value”] = dir.Substring(dir.LastIndexOf(Path.DirectorySeparatorChar) + 1);
      fileItem[“path”] = dir;
      fileItem[“fileList”] = GetFilesAndDirectories(dir);
      fileList.Add(fileItem);
    }
    foreach (string file in Directory.GetFiles(path)) {
      fileItem = new Dictionary<string, object>();
      fileItem[“type”] = “file”;
      fileItem[“value”] = Path.GetFileName(file);
      fileItem[“path”] = file;
      fileItem[“exe”] = Path.GetExtension(file);
      fileList.Add(fileItem);
    }
  }
  return fileList;
}

JS
getFileInfo (c#returnedFileList, true);

var getFileInfo = function (fileList, isRoot) {
  var rtnHtml = “”;
  if ($.isArray(fileList)) {
    rtnHtml += isRoot || false ? ‘<ul>’ : ‘<ul style=”display:none;”>’;
    for (var i = 0, iLen = fileList.length; i < iLen; i++) {
      var fileItem = fileList[i];
      if (fileItem[“type”] === “dir”) {
        rtnHtml += ‘<li><div class=”directory”>’ + fileItem[“value”] + ‘</div>’;
        if (fileItem[“fileList”].length !== 0) {
          rtnHtml += getFileInfo(fileItem[“fileList”]);
        }
      } else if (fileItem[“type”] === “file”) {
        rtnHtml += ‘<li><div class=”file”>’ + fileItem[“value”] + ‘</div></li>’;
      }
    }
    rtnHtml += ‘</ul>’;
  }
  return rtnHtml;
};