added check for error in readConfigFile result

Author: Le0Michine

src/instance.ts

@@ -345,6 +345,10 @@ export function readConfigFile(
 	}
 
 	let jsonConfigFile = tsImpl.readConfigFile(configFilePath, tsImpl.sys.readFile)
+	if (jsonConfigFile.error) {
+		console.error('Error occurred while reading tsconfig file', configFilePath, jsonConfigFile);
+		throw new Error(jsonConfigFile.error.messageText);
+	}
 	let compilerConfig = tsImpl.parseJsonConfigFileContent(
 		jsonConfigFile.config,
 		tsImpl.sys,