Error with AppRouter type mismatch in Deno

Hi everyone! I am trying to fix some type issues with a tRPC project. I am using Deno 2.0. The server and client are separate projects (but in a monorepo). The server is using the hono middleware to host the /trpc endpoint. The client is a vite react static site. I am using the react query integration.

Here is the weird part: Everything is actually fully functional. The vite frontend can tRPC query the backend perfectly fine. However the frontend is complaining about type mismatches. Not having working types kinda defeats the purpose of tRPC.

client/src/utils/api.ts

import { createTRPCReact } from "@trpc/react-query";
import type { AppRouter } from "../../../server/routers/_app.ts";

export const api = createTRPCReact<AppRouter>();

import { createTRPCReact } from "@trpc/react-query";
import type { AppRouter } from "../../../server/routers/_app.ts";

export const api = createTRPCReact<AppRouter>();

This is where I get the first type issue. I think solving this will solve all the issues. I get the error on the <AppRouter> type.

This post went over the length limit, so more details in the next post.

tRPC•2y ago•

7 replies

Weldawadyathink

Error with AppRouter type mismatch in Deno

import { createTRPCReact } from "@trpc/react-query";
import type { AppRouter } from "../../../server/routers/_app.ts";

export const api = createTRPCReact<AppRouter>();

import { createTRPCReact } from "@trpc/react-query";
import type { AppRouter } from "../../../server/routers/_app.ts";

export const api = createTRPCReact<AppRouter>();

Error with AppRouter type mismatch in Deno

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