# GetStorageSizeFn

# Type Alias: GetStorageSizeFn()

```ts
type GetStorageSizeFn = () => number;
```

Defined in: [packages/db/src/local-storage.ts:95](https://github.com/TanStack/db/blob/main/packages/db/src/local-storage.ts#L95)

Type for the getStorageSize utility function

## Returns

`number`