public state objects showing "Parsing error: Unexpected token" in Typescript

This is happening in Details, ErrorBoundary and Carousel typescript files

![image](https://user-images.githubusercontent.com/53622506/113488332-55898780-94b5-11eb-99c8-032cbc93a049.png)

Error message:
![image](https://user-images.githubusercontent.com/53622506/113488388-bd3fd280-94b5-11eb-803b-81486d4ca615.png)

Any ideas?