gasでファイル出力

function getOAuthToken() {
  var authInfo = ScriptApp.getAuthorizationInfo(ScriptApp.AuthMode.FULL);
  return authInfo.getAccessToken();
}
function exportToJSFile() {
  var sheet = SpreadsheetApp.getActiveSheet();
  var data = sheet.getDataRange().getValues();

  var fileName = "output.js";
  var folderId = "XXXXXXXXXXXXXXXXXXXXX"; //出力先フォルダのIDを指定
  var folder = DriveApp.getFolderById(folderId);
  var file = folder.createFile(fileName, JSON.stringify(data), MimeType.JAVASCRIPT);
}