The most likely route to achieving this at the moment is via TypeScript, and this post gives a good overview of the current options.
A few week back the Mozilla Hacks blog published an article about moving part of their source-maps library to Rust, giving a x6 performance increase.
With the excitement around Blazor, which has become an official ASP.NE project, this popular podcast talks to Steve Sanderson and Daniel Roth to find out more about the project.
And Finally …
Anyone fancy some ‘official’ stickers?