Path parameters are undefined for routes deeper than 1 level.

[hovissimo]

Reproduction at https://github.com/hovissimo/enhance-arbitrary-parameter-depth

See Discord thread at https://discord.com/channels/1012099764713705472/1012435743571988560/1025289256375173136

If a route with a path parameter that has more than one layer above will never have a defined path parameter.

E.g. if your route is /foo/bar/$key and you request /foo/bar/baz, then req.params.key is undefined. If your route is /foo/$key and you request /foo/baz then req.params.key is "baz".