Using Visual Studio 2019 with ReSharper (both on the latest version) I an unable to get intellisense to stop complaining about ECMAScript 2020 features like the null-coalescing operator (??).
The code works but it's annoying that the editor thinks it's an error. This is what I see:
I've tried setting the project's TypeScript Build ECMAScript Version to ECMAScript 2020 in VS: the ReSharper ECMAScript version is set to "Experimental". Has anyone managed to get this working?