structuredAttrs is enabled

trying https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.6.0.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
100  18401 100  18401   0      0 259.4k      0                              0
100  18401 100  18401   0      0 259.1k      0                              0
100  18401 100  18401   0      0 258.9k      0                              0