src/Generate/JavaScript/Helpers.hs · elk

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1module Generate.JavaScript.Helpers where

3import Language.ECMAScript3.Syntax

7localRuntime :: String

8localRuntime =

9 "_elm"

12varDecl :: String -> Expression () -> VarDecl ()

13varDecl x expr =

14 VarDecl () (var x) (Just expr)

17refOrObject :: String -> Expression ()

18refOrObject name =

19 InfixExpr () OpLOr (ref name) (ObjectLit () [])

23-- Creating Variables

26var :: String -> Id ()

27var name =

28 Id () name

31ref :: String -> Expression ()

32ref name =

33 VarRef () (var name)

36(==>) :: String -> Expression () -> (Prop (), Expression ())

37(==>) name expr =

38 ( PropId () (var name), expr )

41obj :: [String] -> Expression ()

42obj vars =

43 case vars of

44 x:xs ->

45 foldl (DotRef ()) (ref x) (map var xs)

47 [] ->

48 error "dotSep must be called on a non-empty list of variables"

52-- Function Calls

55(<|) :: Expression () -> Expression () -> Expression ()

56(<|) f x =

57 CallExpr () f [x]

60function :: [String] -> [Statement ()] -> Expression ()

61function args stmts =

62 FuncExpr () Nothing (map var args) stmts

65call :: Expression () -> [Expression ()] -> Expression ()

66call =

67 CallExpr ()