Validate platform in canExecute function

Author: Fatme

lib/commands/debug.ts

@@ -7,14 +7,14 @@ export class DebugPlatformCommand implements ICommand {
 	execute(args: string[]): IFuture<void> {
 		return this.debugService.debug();
 	}
-
+	
 	allowedParameters: ICommandParameter[] = [];
 }
 
 export class DebugIOSCommand extends DebugPlatformCommand {
 	constructor(private $iOSDebugService: IDebugService) {
 		super($iOSDebugService);
-	}
+	}	
 }
 $injector.registerCommand("debug|ios", DebugIOSCommand);
 

lib/commands/deploy.ts

@@ -8,7 +8,7 @@ export class DeployOnDeviceCommand implements ICommand {
 	execute(args: string[]): IFuture<void> {
 		return this.$platformService.deployOnDevice(args[0]);
 	}
-
+	
 	allowedParameters = [this.$platformCommandParameter];
 }
 $injector.registerCommand("deploy", DeployOnDeviceCommand);

lib/commands/prepare.ts

@@ -6,11 +6,9 @@ export class PrepareCommand implements ICommand {
 		private $platformCommandParameter: ICommandParameter) { }
 
 	execute(args: string[]): IFuture<void> {
-		return (() => {
-			this.$platformService.preparePlatform(args[0]).wait();
-		}).future<void>()();
+		return this.$platformService.preparePlatform(args[0]);
 	}
-
+	
 	allowedParameters = [this.$platformCommandParameter];
 }
 $injector.registerCommand("prepare", PrepareCommand);

lib/commands/run.ts

@@ -6,7 +6,7 @@ export class RunCommandBase {
 
 	public executeCore(args: string[]): IFuture<void> {
 		return this.$platformService.runPlatform(args[0]);
-	}
+	}	
 }
 
 export class RunIosCommand extends RunCommandBase implements ICommand {

lib/services/platform-service.ts

@@ -146,6 +146,8 @@ export class PlatformService implements IPlatformService {
 
 	public preparePlatform(platform: string): IFuture<void> {
 		return (() => {
+			this.validatePlatform(platform);
+			
 			platform = platform.toLowerCase();
 
 			var platformData = this.$platformsData.getPlatformData(platform);