docs: function getData (moduleName, require) {
      // get module - throws error if not defined
      var module = getModule(moduleName)
      // if require flag is set throw error if data is not defined
      if (require === true && !defined(module.meta.data)) {
          throw new Error(`no data for ${moduleName}`)
      }
      // return data if any
      return module.meta.data
  }