Generate QR code from command not inside preview-app-livesync-service.js

Author: Fatme

lib/commands/preview.ts

@@ -4,6 +4,7 @@ export class PreviewCommand implements ICommand {
 	constructor(private $liveSyncService: ILiveSyncService,
 		private $projectData: IProjectData,
 		private $options: IOptions,
+		private $playgroundQrCodeGenerator: IPlaygroundQrCodeGenerator,
 		private $previewCommandHelper: IPreviewCommandHelper) { }
 
 	public async execute(args: string[]): Promise<void> {
@@ -20,6 +21,8 @@ export class PreviewCommand implements ICommand {
 			env: this.$options.env,
 			timeout: this.$options.timeout
 		});
+
+		await this.$playgroundQrCodeGenerator.generateQrCodeForCurrentApp();
 	}
 
 	public async canExecute(args: string[]): Promise<boolean> {

lib/definitions/preview-app-livesync.d.ts

@@ -2,6 +2,7 @@ import { FilePayload, Device } from "nativescript-preview-sdk";
 
 declare global {
 	interface IPreviewAppLiveSyncService {
+		initialize(): void;
 		initialSync(data: IPreviewAppLiveSyncData): Promise<void>;
 		syncFiles(data: IPreviewAppLiveSyncData, filesToSync: string[]): Promise<void>;
 		stopLiveSync(): Promise<void>;

lib/helpers/preview-command-helper.ts

@@ -12,7 +12,7 @@ export class PreviewCommandHelper implements IPreviewCommandHelper {
 			});
 		}
 
-	public run() {
+	public run(): void {
 		this.startWaitingForCommand();
 	}
 

lib/services/livesync/livesync-service.ts

@@ -320,7 +320,9 @@ export class LiveSyncService extends EventEmitter implements IDebugLiveSyncServi
 	private async liveSyncOperation(deviceDescriptors: ILiveSyncDeviceInfo[], liveSyncData: ILiveSyncInfo, projectData: IProjectData): Promise<void> {
 		let deviceDescriptorsForInitialSync: ILiveSyncDeviceInfo[] = [];
 
-		if (!liveSyncData.syncToPreviewApp) {
+		if (liveSyncData.syncToPreviewApp) {
+			this.$previewAppLiveSyncService.initialize();
+		} else {
 			await this.$pluginsService.ensureAllDependenciesAreInstalled(projectData);
 			// In case liveSync is called for a second time for the same projectDir.
 			const isAlreadyLiveSyncing = this.liveSyncProcessesInfo[projectData.projectDir] && !this.liveSyncProcessesInfo[projectData.projectDir].isStopped;

lib/services/livesync/playground/preview-app-livesync-service.ts

@@ -15,16 +15,17 @@ export class PreviewAppLiveSyncService implements IPreviewAppLiveSyncService {
 		private $projectDataService: IProjectDataService,
 		private $previewSdkService: IPreviewSdkService,
 		private $previewAppPluginsService: IPreviewAppPluginsService,
-		private $projectFilesManager: IProjectFilesManager,
-		private $playgroundQrCodeGenerator: IPlaygroundQrCodeGenerator) { }
+		private $projectFilesManager: IProjectFilesManager) { }
 
-	public async initialSync(data: IPreviewAppLiveSyncData): Promise<void> {
+	public initialize() {
 		this.$previewSdkService.initialize();
+	}
+
+	public async initialSync(data: IPreviewAppLiveSyncData): Promise<void> {
 		this.$previewSdkService.on(PreviewSdkEventNames.DEVICE_CONNECTED, async (device: Device) => {
 			this.$logger.trace("Found connected device", device);
 			await this.syncFilesOnDeviceSafe(data, device);
 		});
-		await this.$playgroundQrCodeGenerator.generateQrCodeForCurrentApp();
 	}
 
 	public async syncFiles(data: IPreviewAppLiveSyncData, files: string[]): Promise<void> {