Aborting Procedure Calls

By default, tRPC does not cancel requests on unmount. If you want to opt into this behavior, you can provide abortOnUnmount in your configuration callback.

Globally

client.ts
ts
import { httpBatchLink } from '@trpc/client';
import { createTRPCNext } from '@trpc/next';
import type { AppRouter } from './server/routers/_app';
 
export const trpc = createTRPCNext<AppRouter>({
  config() {
    return {
      links: [
        httpBatchLink({
          url: '/api/trpc',
        }),
      ],
      abortOnUnmount: true,
    };
  },
});

client.ts
ts
import { httpBatchLink } from '@trpc/client';
import { createTRPCNext } from '@trpc/next';
import type { AppRouter } from './server/routers/_app';
 
export const trpc = createTRPCNext<AppRouter>({
  config() {
    return {
      links: [
        httpBatchLink({
          url: '/api/trpc',
        }),
      ],
      abortOnUnmount: true,
    };
  },
});

Per-request

You may also override this behavior at the request level.

client.ts
tsx
import { trpc } from './utils/trpc';
import { useRouter } from 'next/router';
 
function PostViewPage() {
  const id = useRouter().query.id as string;
  const postQuery = trpc.post.byId.useQuery({ id }, { trpc: { abortOnUnmount: true } });
 
  return null;
}

client.ts
tsx
import { trpc } from './utils/trpc';
import { useRouter } from 'next/router';
 
function PostViewPage() {
  const id = useRouter().query.id as string;
  const postQuery = trpc.post.byId.useQuery({ id }, { trpc: { abortOnUnmount: true } });
 
  return null;
}