Unpkg just serves the raw files, which may contain require() calls or import from other npm packages. That won’t work.
The closest service is https://esm.sh, but you can’t download from it.
The closest service is https://esm.sh, but you can’t download from it.
https://esm.sh/ is definitely a good option too if you're OK with modules.
The reality is that only frameworks and very popular browser-specific packages do that.