content: {-
    webviewhs
    (C) 2018 David Lettier
    lettier.com
  -}
  
  {-# LANGUAGE
      OverloadedStrings
  #-}
  
  import Data.Text
  import qualified Graphics.UI.Webviewhs as WHS
  
  main :: IO ()
  main =
    WHS.withWindowLoop
      WHS.WindowParams
        { WHS.windowParamsTitle      = "webviewhs - How do I log some debug information?"
          -- This could be a localhost URL to your single-page application (SPA).
        , WHS.windowParamsUri        = "https://lettier.github.com"
        , WHS.windowParamsWidth      = 800
        , WHS.windowParamsHeight     = 600
        , WHS.windowParamsResizable  = True
        , WHS.windowParamsDebuggable = True
        }
      -- This is the callback JavaScript can execute.
      (\ _window text -> print text)
      -- This function runs before the loop.
      (WHS.WithWindowLoopSetUp    (\ _window -> print ("Setting up." :: Data.Text.Text)))
      -- This function runs after the loop.
      (WHS.WithWindowLoopTearDown (\ _window -> print ("Tearing down." :: Data.Text.Text)))
      -- This function runs every window loop.
      -- Return True to continue the loop or False to exit the loop.
      $ \ _window -> do
        -- webviewhs provides log'.
        let string = "world" :: Text
        -- log' takes a simple Text string.
        WHS.log'
          $ Data.Text.concat
              [ "Hello "
              , string
              , "!"
              ]
        return True
  