fix(dev/typegen): fix non-JS/TS files

[nowells]

#12440 introduced a fix for tsconfig, however, it broke non-JS routes (like .mdx)

When we have a file ./app/routes/test/index.mdx which is a route we get the following error:

.react-router/types/app/routes/test/+types/index.ts:10:29 - error TS2307: Cannot find module '../index.js' or its corresponding type declarations.

10 type Module = typeof import("../index.js")
                               ~~~~~~~~~~~~~

[changeset-bot]

🦋 Changeset detected

Latest commit: 9b2dd39

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 11 packages

Name	Type
@react-router/dev	Patch
@react-router/fs-routes	Patch
@react-router/remix-routes-option-adapter	Patch
create-react-router	Patch
react-router	Patch
react-router-dom	Patch
@react-router/architect	Patch
@react-router/cloudflare	Patch
@react-router/express	Patch
@react-router/node	Patch
@react-router/serve	Patch

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[remix-cla-bot]

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[remix-cla-bot]

Thank you for signing the Contributor License Agreement. Let's get this merged! 🥳

[nowells]

I have worked around this with patch-package locally, however, I think this will bite many people who use mdx in their sites, which I think is rather common, so hoping we can land this before too many people take a swing at adopting v7 (which has been a very smooth upgrade from remix!)

[timdorr]

Fixed some conflicts for you. Any chance we could add a test? Not sure if it's possible without a lot of work, but I figured I'd ask.

@pcattori should probably approve this, I'd imagine.

[nowells]

Thanks @timdorr! Let me know if there is anything else you need from me!