src/shared/lib/helpers/createPersistentStore/createPersistentStore.svelte.ts

@@ -49,3 +49,5 @@ export function createPersistentStore<T>(key: string, defaultValue: T) {
         },
     };
 }
+
+export type PersistentStore<T> = ReturnType<typeof createPersistentStore<T>>;

src/shared/lib/index.ts

@@ -14,6 +14,7 @@ export {
     type Filter,
     type FilterModel,
     type LineData,
+    type PersistentStore,
     type Property,
     type ResponsiveManager,
     responsiveManager,