Fix livesync ios --emulator --watch if the file is not at project root level

Fixes NativeScript/nativescript-cli#776

Author: Fatme Havaluova

declarations.d.ts

@@ -270,7 +270,8 @@ interface IUsbLiveSyncServiceBase {
 		notRunningiOSSimulatorAction: () => IFuture<void>,
 		localProjectRootPath?: string,
 		beforeLiveSyncAction?: (device: Mobile.IDevice, deviceAppData: Mobile.IDeviceAppData) => IFuture<void>,
-		beforeBatchLiveSyncAction?: (filePath: string) => IFuture<string>): IFuture<void>;
+		beforeBatchLiveSyncAction?: (filePath: string) => IFuture<string>,
+		iOSSimulatorRelativeToProjectBasePathAction?: (projectFile: string) => string): IFuture<void>;
 }
 
 interface ISysInfoData {

definitions/mobile.d.ts

@@ -288,7 +288,7 @@ declare module Mobile {
 	interface IiOSSimulatorService extends IEmulatorPlatformServices {
 		postDarwinNotification(notification: string): IFuture<void>;
 		sync(appIdentifier: string, projectFilesPath: string, notRunningSimulatorAction: () => IFuture<void>): IFuture<void>;
-		syncFiles(appIdentifier: string, projectFilesPath: string,  projectFiles: string[], notRunningSimulatorAction: () => IFuture<void>): IFuture<void>;
+		syncFiles(appIdentifier: string, projectFilesPath: string,  projectFiles: string[], notRunningSimulatorAction: () => IFuture<void>, relativeToProjectBasePathAction?: (projectFile: string) => string): IFuture<void>;
 		isSimulatorRunning(): IFuture<boolean>;
 	}
 

mobile/ios/ios-emulator-services.ts

@@ -64,10 +64,11 @@ class IosEmulatorServices implements Mobile.IiOSSimulatorService {
 		return this.syncCore(appIdentifier, notRunningSimulatorAction, syncAction);
 	}
 
-	public syncFiles(appIdentifier: string, projectFilesPath: string,  projectFiles: string[], notRunningSimulatorAction: () => IFuture<void>): IFuture<void> {
+	public syncFiles(appIdentifier: string, projectFilesPath: string,  projectFiles: string[], notRunningSimulatorAction: () => IFuture<void>, relativeToProjectBasePathAction?: (projectFile: string) => string): IFuture<void> {
 		let syncAction = (applicationPath: string) => _.each(projectFiles, projectFile => {
-			this.$logger.trace(`Transfering ${projectFile} to ${path.join(applicationPath, "app")}`);
-			shell.cp("-Rf", projectFile, path.join(applicationPath, "app"));
+			let destinationPath = path.join(applicationPath, relativeToProjectBasePathAction(projectFile));
+			this.$logger.trace(`Transfering ${projectFile} to ${destinationPath}`);
+			shell.cp("-Rf", projectFile, destinationPath);
 		});	
 		return this.syncCore(appIdentifier, notRunningSimulatorAction, syncAction);	
 	}

services/usb-livesync-service-base.ts

@@ -45,7 +45,8 @@ export class UsbLiveSyncServiceBase implements IUsbLiveSyncServiceBase {
 		notRunningiOSSimulatorAction: () => IFuture<void>,
 		localProjectRootPath?: string,
 		beforeLiveSyncAction?: (device: Mobile.IDevice, deviceAppData: Mobile.IDeviceAppData) => IFuture<void>,
-		beforeBatchLiveSyncAction?: (filePath: string) => IFuture<string>): IFuture<void> {
+		beforeBatchLiveSyncAction?: (filePath: string) => IFuture<string>,
+		iOSSimulatorRelativeToProjectBasePathAction?: (projectFile: string) => string): IFuture<void> {
 		return (() => {
 			let synciOSSimulator = this.$hostInfo.isDarwin ? this.$iOSEmulatorServices.isSimulatorRunning().wait() || (this.$options.emulator && platform.toLowerCase() === "ios") : false;
 
@@ -70,7 +71,7 @@ export class UsbLiveSyncServiceBase implements IUsbLiveSyncServiceBase {
 						if(event === "added" || event === "changed") {
 							if(!_.contains(excludedProjectDirsAndFiles, filePath)) {
 								if(synciOSSimulator) {
-									__this.$dispatcher.dispatch(() => __this.$iOSEmulatorServices.syncFiles(appIdentifier, projectFilesPath, [filePath], notRunningiOSSimulatorAction)); 
+									__this.$dispatcher.dispatch(() => __this.$iOSEmulatorServices.syncFiles(appIdentifier, projectFilesPath, [filePath], notRunningiOSSimulatorAction, iOSSimulatorRelativeToProjectBasePathAction)); 
 								}
 
 								if(!__this.$options.emulator || platform.toLowerCase() === "android") {