Unknown file extension ".wasm"

[RobinClowers]

Thanks for this package! I'm on the latest version, 3.3.0, but I'm getting the Unknown file extension ".wasm" for <package> error.

This code is running in Vitest, maybe that has something to do with it?

Versions:
vite 5.0.10
vitest 1.3.1
node 18.17.1
vite-plugin-wasm 3.3.0

I also tried:

optimizeDeps: {
  exclude: [<package>]
}

but that didn't appear to make any difference.

[RobinClowers]

I've just migrated from wepack to vite (I was just using vite in test before) and I can confirm my wasm modules work just fine in development, so it does appear to be something specific to vitest or my test config.