whole_func_string: function resolveOrReject(data) {
      if (data.filename) {
          console.warn(data);
      }
      if (!options.async) {
          head.removeChild(style);
      }
  }
func_code_string: function resolveOrReject(data) {
      if (data.filename) {
          console.warn(data);
      }
      if (!options.async) {
          head.removeChild(style);
      }
  }
func_documentation_string: Always restore page visibility