[naiveattack]

Here are some more technically inclined comments (on why typescript is terrible compared to flow :) https://news.ycombinator.com/item?id=14472810

[naiveattack]

Graph vs AST approach, although I cannot speak for its veracity. http://thejameskyle.com/adopting-flow-and-typescript.html

[shadowwolf007]

Fwiw, this page blocks when you come from HN. I suspect the author wouldn't want their stuff posted here.