Function testFn

packages/react-query/src/__tests__/queryOptions.test-d.tsx:228–237

(id?: string)

  it('should allow optional initialData object', () => {
    const testFn = (id?: string) => {
      const options = queryOptions({
        queryKey: ['test'],
        queryFn: () => Promise.resolve('something string'),
        initialData: id ? 'initial string' : undefined,
      })
      expectTypeOf(options.initialData).toMatchTypeOf<
        InitialDataFunction<string> | string | undefined
      >()
    }
    testFn('id')
    testFn()
  })