structuredAttrs is enabled

trying https://registry.npmjs.org/source-map/-/source-map-0.7.6.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  51980 100  51980   0      0  1.06M      0                              0