SSR | Unknown file extension ".svelte"

Using svelte-notifications with the sveltekit node adapter results in the following error:

Error when evaluating SSR module /src/routes/test.svelte:
TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".svelte" for [...]/node_modules/@beyonk/svelte-notifications/Notifications.svelte

[jdevine]

Happening to me too.

[yhzhu99]

I met this problem as well. （sveltekit)

[antony]

can you provide a reproduction please?

[RudraPSinha]

This problem persists

[antony]

This sounds like your project has a configuration issue. Without a reproduction, I can't fix it.