Left file: appwork-v1_3_1/angular-starter/src/tsconfig.app.json  
Right file: appwork-v1_4_0/angular-starter/tsconfig.app.json  

{	=	{
"extends": "../tsconfig.json",	<>	"extends": "./tsconfig.json",
"compilerOptions": {	=	"compilerOptions": {
"outDir": "../out-tsc/app",	<>	"outDir": "./out-tsc/app",
"baseUrl": "./",
"module": "es2015",
"types": []	=	"types": []
},		},
"angularCompilerOptions": {	<>	"files": [
"preserveWhitespaces": true		"src/main.ts",
		"src/polyfills.ts"
},		],
		"include": [
		"src/**/*.ts",
		"src/vendor/libs/**/*.js"
		],
"exclude": [	=	"exclude": [
"test.ts",	<>	"src/test.ts",
"**/*.spec.ts"		"src/**/*.spec.ts"
]	=	]
}		}