Function setupStorage

src/engine/persistence.ts:166–279

(engine: VisualNovelEngine)

// ============================================================================

export function setupStorage (engine: VisualNovelEngine): void {
	// Check if an Adapter has been set or else, the global local storage
	// object will be used
	const storageSetting = engine.setting ('Storage');

	if (storageSetting.Adapter.trim () !== '') {
		let adapter;
		const props: Record<string, unknown> = {};

		switch (storageSetting.Adapter) {
			case 'LocalStorage':
				adapter = SpaceAdapter.LocalStorage;
				break;

			case 'SessionStorage':
				adapter = SpaceAdapter.SessionStorage;
				break;

			case 'IndexedDB':
				adapter = SpaceAdapter.IndexedDB;
				props.keyPath = 'id';
				break;

			case 'RemoteStorage':
				adapter = SpaceAdapter.RemoteStorage;
				props.headers = {
					'Content-Type': 'application/json',
				};
				break;

			case 'FileSystem': {
				const bridge = getDesktopBridge();

				if (bridge) {
					const fsStorage = new FileSystemStorage(bridge);

					fsStorage.configuration({
						name: Text.friendly(engine.setting('Name') as string),
						version: engine.setting('Version') as string,
						store: storageSetting.Store,
					});

					engine.Storage = fsStorage as unknown as StorageInterface;
				} else {
					FancyError.show('engine:storage:filesystem_no_bridge', {});

					// Fall back to IndexedDB so the game remains functional
					adapter = SpaceAdapter.IndexedDB;
				}
				break;
			}

			default:
				adapter = SpaceAdapter.IndexedDB;
				break;
		}

		if (window.navigator && !Platform.desktopApp && !Platform.cordova) {