structuredAttrs is enabled

trying https://registry.npmjs.org/acorn/-/acorn-8.16.0.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100 128.7k 100 128.7k   0      0  1.75M      0                              0