Function injectLazyStore

packages/angular-hotkeys/src/injectHotkeyRecorder.ts:112–128

(
  storeSignal: Signal<Atom<TState> | ReadonlyAtom<TState>>,
  selector: (state: NoInfer<TState>) => TSelected,
)

}

function injectLazyStore<TState, TSelected = NoInfer<TState>>(
  storeSignal: Signal<Atom<TState> | ReadonlyAtom<TState>>,
  selector: (state: NoInfer<TState>) => TSelected,
): Signal<TSelected> {
  const slice = linkedSignal(() => selector(storeSignal().get()))

  effect((onCleanup) => {
    const currentStore = storeSignal()
    slice.set(selector(currentStore.get()))
    const { unsubscribe } = currentStore.subscribe((s) => {
      slice.set(selector(s))
    })
    onCleanup(() => unsubscribe())
  })

  return slice.asReadonly()
}