fix: default appPath in new projects (#5466)

Author: janoshrubos

lib/definitions/project.d.ts

@@ -369,7 +369,7 @@ interface IProjectConfigService {
 
 	detectProjectConfigs(projectDir?: string): IProjectConfigInformation;
 
-	getDefaultTSConfig(appId: string): string;
+	getDefaultTSConfig(appId: string, appPath: string): string;
 
 	writeDefaultConfig(projectDir?: string, appId?: string): boolean | string;
 

lib/services/project-config-service.ts

@@ -64,11 +64,15 @@ export class ProjectConfigService implements IProjectConfigService {
 		return this.$injector.resolve("projectHelper");
 	}
 
-	public getDefaultTSConfig(appId: string = "org.nativescript.app") {
+	public getDefaultTSConfig(
+		appId: string = "org.nativescript.app",
+		appPath: string = "app"
+	) {
 		return `import { NativeScriptConfig } from '@nativescript/core';
 
 export default {
   id: '${appId}',
+  appPath: '${appPath}',
   appResourcesPath: 'App_Resources',
   android: {
     v8Flags: '--expose_gc',
@@ -274,7 +278,19 @@ export default {
 			return false;
 		}
 
-		this.$fs.writeFile(TSConfigPath, this.getDefaultTSConfig(appId));
+		const possibleAppPaths = [
+			path.resolve(projectDir, constants.SRC_DIR),
+			path.resolve(projectDir, constants.APP_FOLDER_NAME),
+		];
+
+		let appPath = possibleAppPaths.find((possiblePath) =>
+			this.$fs.exists(possiblePath)
+		);
+		if (appPath) {
+			appPath = path.relative(projectDir, appPath).replace(path.sep, "/");
+		}
+
+		this.$fs.writeFile(TSConfigPath, this.getDefaultTSConfig(appId, appPath));
 
 		return TSConfigPath;
 	}

test/stubs.ts

@@ -622,11 +622,12 @@ export class ProjectConfigServiceStub implements IProjectConfigService {
 		};
 	}
 
-	getDefaultTSConfig(appId: string): string {
+	getDefaultTSConfig(appId: string, appPath: string): string {
 		return `import { NativeScriptConfig } from '@nativescript/core';
 
     export default {
       id: '${appId}',
+      appPath: '${appPath}'
       appResourcesPath: 'App_Resources',
       android: {
         v8Flags: '--expose_gc',