import { NativeModulesProxy } from 'expo-modules-core'; import ExponentFileSystemShim from './ExponentFileSystemShim'; import { ExponentFileSystemModule } from './types'; let platformModule; if (NativeModulesProxy.ExponentFileSystem) { platformModule = NativeModulesProxy.ExponentFileSystem; } else { platformModule = ExponentFileSystemShim; } export default platformModule as ExponentFileSystemModule;