Function getValue

src/ui-svelte/functions.svelte.ts:543–564

(
  valueId: MaybeGetter<Id>,
  storeOrStoreId?: MaybeGetter<Store | Id | undefined>,
)

  );

export const getValue = (
  valueId: MaybeGetter<Id>,
  storeOrStoreId?: MaybeGetter<Store | Id | undefined>,
): {get current(): ValueOrUndefined; set current(v: Value)} => {
  const getStore = resolveStore(storeOrStoreId);
  let subscribe = $state<() => void>(noop);
  if (hasWindow()) {
    $effect(() => {
      const store: any = getStore();
      const valueIdValue = maybeGet(valueId);
      subscribe = createSubscriber((update) => {
        const listenerId = store?.addValueListener(valueIdValue, update);
        return () => store?.delListener?.(listenerId);
      });
    });
  }
  return new WritableHandle<ValueOrUndefined, Value>(
    () => getStore()?.getValue(maybeGet(valueId)),
    (nextValue) => getStore()?.setValue(maybeGet(valueId), nextValue),
    () => subscribe(),
  );
};

export const getStore = (id?: Id): Store | undefined =>
  getProvidedThing(id, OFFSET_STORE) as Store | undefined;