How to enable optional chaining with Create React App and TypeScript

Question

Support for the experimental syntax \'optionalChaining\' isn\'t currently enabled

I was getting the above error. I followed this post and

Answer 1

Create-React-App uses babel to transpile the TypeScript so it isn't using your npm installed version of TypeScript. Version 3.3.0 of react-scripts supports TypeScript 3.7. You can install it and use it with:

• yarn add react-scripts@3.3.0

  -or-

• npm install -s react-scripts@3.3.0