Per the "Win32 event loop" comment, I suspect you're referring to https://bitquabit.com/post/the-more-things-change/ https://bitquabit.com/post/the-more-things-

Per the "Win32 event loop" comment, I suspect you're referring to https://bitquabit.com/post/the-more-things-change/ https://bitquabit.com/post/the-more-things-change/ , where the author points out that Flux+React looks an awful lot like a Win32 WndProc function. (HN discussion thread: https://news.ycombinator.com/item?id=10381015 https://news.ycombinator.com/item?id=10381015 .)