src/Generate/JavaScript/Helpers.hs · elk

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1{-# OPTIONS_GHC -Wall #-}

2module Generate.JavaScript.Helpers

3 ( varDecl

4 , refOrObject

5 , ref

6 , (==>)

7 , obj

8 , (<|)

9 , function

10 )

11 where

13import Data.Text (Text)

14import Generate.JavaScript.Builder

18-- DECLARATIONS

21varDecl :: Text -> Expr -> VarDecl

22varDecl x expr =

23 VarDecl (Id x) (Just expr)

26refOrObject :: Text -> Expr

27refOrObject name =

28 Infix OpLOr (ref name) (Object [])

32-- VARIABLES

35ref :: Text -> Expr

36ref name =

37 VarRef (Id name)

40(==>) :: Text -> Expr -> (Prop, Expr)

41(==>) name expr =

42 ( IdProp (Id name), expr )

45obj :: [Text] -> Expr

46obj vars =

47 case vars of

48 x:xs ->

49 foldl DotRef (ref x) (map Id xs)

51 [] ->

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

56-- FUNCTION CALLS

59(<|) :: Expr -> Expr -> Expr

60(<|) f x =

61 Call f [x]

64function :: [Text] -> [Stmt] -> Expr

65function args stmts =

66 Function Nothing (map Id args) stmts