Documentation is
Please Explain in Detail...
The documentation point around polyfilling node references snowpackjs/rollup-plugin-polyfill-node, however as of a few weeks ago that repo was hijacked (see this issue).
It's unclear from that issue whether ownership will be returned, or what this means for the published npm package.
Your Proposal for Changes
It seems like the documentation should now be pointing at FredKSchott/rollup-plugin-polyfill-node, but that needs verifying