v10 migration using codemod

// the following structure is inside /server/trpc/src
├── context.ts // createContext
├── index.ts // main router entry point, this mainly does .merge calls to subrouters (auth.router.ts)
├── middlewares
│   └── meta-routers.ts // this is where I'm exporting createPrivateRouter
├── utils
│   └── trpc.ts // this is where I'm calling initializing v10 stuff ( exporting mergeRouters, privateProcedure... )
├── routers
│   ├── auth
│   │   ├── auth.router.ts // subrouter that merges every procedure in the subfolder (signin.ts)
│   │   ├── auth.router.test.ts // tests for this specific router ( using .createCaller() calls )
│   │   ├── procedures
│   │   │   └── signin.ts // this exports a single procedure using `export default createPrivateRouter.query('....')`

npx trpc-v10-migrate-codemod \
 --router-factory createPrivateRouter \
 --base-procedure privateProcedure  \
 --import privateProcedure:~/src/utils/trpc