feat(PersistentStore): add type for PersistentStore

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>>;