Invalid resource route detection in SPA Mode

[brophdawg11]

I'm using React Router as a...

framework

Reproduction

https://stackblitz.com/edit/github-uimxtz19-2uedhpe3

Expected Behavior

The index route should be able to be a clientLoader-only resource route in SPA mode

[github-actions]

🤖 Hello there,

We just published version 7.3.0 which involves this issue. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!