Function select1

packages/query-core/src/__tests__/queryObserver.test.tsx:368–371

(data: ReturnType<typeof queryFn>)

    const results: Array<QueryObserverResult> = []
    const queryFn = () => ({ count: 1 })
    const select1 = (data: ReturnType<typeof queryFn>) => {
      count++
      return { myCount: data.count }
    }
    const select2 = (_data: ReturnType<typeof queryFn>) => {
      count++
      return { myCount: 99 }