Yesod does not compile Haskell to JS. It works well with Fay though (another way to compile Haskell to JS). Haste is not "more useful"; but it's approach is qu

Yesod does not compile Haskell to JS. It works well with Fay though (another way to compile Haskell to JS). Haste is not "more useful"; but it's approach is quite different. Read my other comment on this page for more info on the differences.