default mutation onError fallback?

I would like to create a global useMutation error fallback, where it runs only if the specific mutation doesn't have its own onError handler, or if that error throws. I have set defaultOptions in QueryClient as so:

const queryClient = new QueryClient({
  defaultOptions: {
    mutations: {
      onError: (error) => {
        console.error("Error:", error);
      },
    },
  },
});

const queryClient = new QueryClient({
  defaultOptions: {
    mutations: {
      onError: (error) => {
        console.error("Error:", error);
      },
    },
  },
});

having this mutation:

  const addMutation = useMutation(
    trpc.iot.addNotificationContact.mutationOptions()
  );
    addMutation.mutate(res, {
      onError: (error) => {
        console.error("Failed to add notification contacts:", error);
      },
    });

  const addMutation = useMutation(
    trpc.iot.addNotificationContact.mutationOptions()
  );
    addMutation.mutate(res, {
      onError: (error) => {
        console.error("Failed to add notification contacts:", error);
      },
    });

both onError handlers are running. I would like addMutation to be the only one running.

TanStack•10mo ago•

6 replies

colossal-harlequin

default mutation onError fallback?

const queryClient = new QueryClient({
  defaultOptions: {
    mutations: {
      onError: (error) => {
        console.error("Error:", error);
      },
    },
  },
});

const queryClient = new QueryClient({
  defaultOptions: {
    mutations: {
      onError: (error) => {
        console.error("Error:", error);
      },
    },
  },
});

having this mutation:

  const addMutation = useMutation(
    trpc.iot.addNotificationContact.mutationOptions()
  );
    addMutation.mutate(res, {
      onError: (error) => {
        console.error("Failed to add notification contacts:", error);
      },
    });

  const addMutation = useMutation(
    trpc.iot.addNotificationContact.mutationOptions()
  );
    addMutation.mutate(res, {
      onError: (error) => {
        console.error("Failed to add notification contacts:", error);
      },
    });

both onError handlers are running. I would like addMutation to be the only one running.

default mutation onError fallback?

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