DataStore.kt

private lateinit var dataStore: DataStore<Preferences>

private val lock = SynchronizedObject()

fun getDataStore(producePath: () -> String): DataStore<Preferences> =
    synchronized(lock) {
        if (::dataStore.isInitialized) {
            dataStore
        } else {
            PreferenceDataStoreFactory.createWithPath(
                produceFile = { producePath().toPath() },
            ).also { dataStore = it }
        }
    }
    
internal const val dataStoreFileName = "settings.preferences_pb"