[@rollup/plugin-commonjs] Uncaught TypeError: utils.Buf8 is not a constructor at strings.js:27:16 in pako

[JamesWilmot]

• Rollup Plugin Name: @rollup/plugin-commonjs
• Rollup Plugin Version: 25.0.7
• Rollup Version: 4.9.6
• Operating System (or Browser): google-chrome-stable on NixOS (I use Nix btw)
• Node Version: 18.19.0 (version pulled in by flake.nix)
• Link to reproduction (⚠️ read below): https://github.com/JamesWilmot/pako-rollupCommonJSplugin-reproduction

Expected Behavior

Run npm start and navigate to http://localhost:8000/dummy. plugin-commonjs 'compiles' pako UMD module into es6.

Actual Behavior

google-chrome reports following in console:

strings.js:27 Uncaught TypeError: utils.Buf8 is not a constructor
    at strings.js:27:16

in /node_modules/pako/lib/utils/strings.js

Additional Information

[shellscape]

Thanks for the issue. Unfortunately your reproduction doesn't meet the criteria for minimal. Please see the link in the issue template for guidance and try again, or we can convert this to a Q & A discussion.