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[vue-query] Type inference issue with useQuery data transformer when queryFn uses arguments #6543

@romansp

Description

@romansp

Describe the bug

import { useQuery } from "@tanstack/vue-query";

const query = useQuery({
  queryKey: ["hello"] as const,
  queryFn: (params) => {
    return Promise.resolve("hello");
  },
  select: (data) => {
           //^? `unknown` but should be `string`
    return data;
  },
});

Your minimal, reproducible example

https://www.typescriptlang.org/play?#code/JYWwDg9gTgLgBAbzgVwM4FMCKz1QJ5wC+cAZlBCHAEQACMAhgHaoMDGA1gPQBuOAtAEcc+KgG4AUKwjN4Q3AQC8KDNnkAKBOLhw5+ANLo8ALjgBtKgAt0AG2sQqAXTj1UcKTIA0WncLwAxRhM1AEo4BQA+RG9tKHQYZChGOAAFchBgDAA6WNQIa250NUsbOypgiW1CL20Ma3RWGCCAE3oGUIiogEhtHt7OTgA9AH5ouFj4xLgWhgqiL0Jy8UlpFh95ACYw5SxfDW9dPANjM2LbeycXNxWYarX8AKCkVGAAc0Z6ayJ2yM1e8YSkqkKBl0Nl0Ll8oVTqVFpVbrV6o04GppvRvl1epj+sNRv9JqjZlVxAsJMsZHc8ABmLZoHbqX4Uo4mcxWM6OZyudwsW4HB7IsD0KD0ECodEMmJxAEpNIgsEQgpFVkwwnwmyI5qtNFhH7ibqYnrYkZ-SX4zUq4mLMmrA4AFhpKl2DIOTJOSvOHKunn2vgCagFQpFoXFYxNgJlWRyeQV0PssLm3gRDQ1bW1GP12kNuNDUzN3iJJKWXNkvgArPa6fg9tpnYZmTH2ZcizyfYw-YLhaKosaJmHgRHwVGoW6yuaamqGijNUHdfrM92pQS8-NykA

Steps to reproduce

  1. Open minimal repro
  2. Inspect type of data parameter.
  3. Compare type of data with and without arguments in queryFn.
  4. data should be of type string but infers to unknown.

Expected behavior

I'm expecting data in select transformer to have its type inferred from queryFn return.

How often does this bug happen?

Every time

Screenshots or Videos

No response

Platform

  • vue v3.3.11

Tanstack Query adapter

vue-query

TanStack Query version

v5.14.0

TypeScript version

v5.3.3

Additional context

Seems not to be an issue in @tanstack/react-query. Same repro

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