Adicss•2d ago

Upgrading tRPC v10 to v11 in NextJS 15.0.1

I'm want to upgrade my tRPC to v11, I already follow the instructions on the docs https://trpc.io/docs/migrate-from-v10-to-v11#installation--upgrading using pnpm. Installation is running smoothly, but when i run pnpm build i get

./app/forum/[publicId]/page.tsx:147:48
Type error: Parameter 'comment' implicitly has an 'any' type.

  145 |             loadingFallback={<CommentLoaderState />}
  146 |           >
> 147 |             {postResponse?.data?.comments.map((comment) => (
      |                                                ^
  148 |               <Comment
  149 |                 setResponse={setResponse}
  150 |                 {...comment}
 ELIFECYCLE  Command failed with exit code 1.

./app/forum/[publicId]/page.tsx:147:48
Type error: Parameter 'comment' implicitly has an 'any' type.

  145 |             loadingFallback={<CommentLoaderState />}
  146 |           >
> 147 |             {postResponse?.data?.comments.map((comment) => (
      |                                                ^
  148 |               <Comment
  149 |                 setResponse={setResponse}
  150 |                 {...comment}
 ELIFECYCLE  Command failed with exit code 1.

I thought i miss pnpm prisma generate but as you can see in my package.json script, i already include it (i run it manually too) but an errors still exists. I try to hover the type on my vscode, it tell me correct type like the old (tRPC v10). How do i fix that? Thank you

Migrate from v10 to v11 | tRPC

This is a current work in progress representing version 11.

4 Replies

MadaShindeInai•2d ago

Is your Typescript verion greater then 5.7.3?

AdicssOP•2d ago

FluX•2d ago

tRPC requires TypeScript >=5.7.2

It says it at the top of their docs. But I don't know if this will actually fix it. The upgrade you should do anyways

AdicssOP•17h ago

Ohh I don't know why upgrade command I copied from the docs doesn't automatically update typescript too I'll try it, thanks Solved!

Upgrading tRPC v10 to v11 in NextJS 15.0.1

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