Svelte: The magical disappearing UI framework (svelte.technology)

well, if JS frameworks lived and died by HN interest, Svelte would be in pretty poor shape. This certainly seems like a good concept to me.

"rather than interpreting your application code at run time, your app is converted into ideal JavaScript at build time. That means you don't pay the performance cost of the framework's abstractions, or incur a penalty when your app first loads."

If true, this would be killer, esp on mobile