The zod package appears to be broken using skypack. This can be observed by going to https://www.skypack.dev/view/zod and clicking "Open in CodePen". The CodePen console show this:
"[Package Error] 'zod@v3.19.1' could not be built.
[1/5] Verifying package is valid…
[2/5] Installing dependencies from npm…
[3/5] Building package using esinstall…
Running esinstall...
Cannot find module 'zod/locales/en.d.ts'"
The zod package appears to be broken using skypack. This can be observed by going to https://www.skypack.dev/view/zod and clicking "Open in CodePen". The CodePen console show this: