structuredAttrs is enabled

trying https://registry.npmjs.org/rehype-harden/-/rehype-harden-1.1.8.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  11281 100  11281   0      0 219.2k      0                              0