Function trackReadDependencies

packages/vue/src/atomQuery.ts:100–107

(key: ReadonlyArray<unknown>, getReads: () => DataDependencies.DataDependencies)

 * invalidation target. Re-asserting the last-known reads on every (re)subscribe closes that gap, so the
 * registry mirrors the live query even across cache-hit remounts.
 */
const trackReadDependencies =
  (key: ReadonlyArray<unknown>, getReads: () => DataDependencies.DataDependencies) =>
  <A, E>(atom: Atom.Atom<AsyncResult.AsyncResult<A, E>>): Atom.Atom<AsyncResult.AsyncResult<A, E>> =>
    Atom.transform(atom, (get) => {
      const reads = getReads()
      if (DataDependencies.isNonEmpty(reads)) setQueryReadDependencies(key, reads)
      get.addFinalizer(() => clearQueryReadDependencies(key))
      return get(atom)
    }, { initialValueTarget: atom })