TouchList.hs

{-# LANGUAGE PatternSynonyms #-}
{-# LANGUAGE ImplicitParams, ConstraintKinds, KindSignatures #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
-- | Generated by dom-gen from touch-events (webref). Do not edit.
module JSDOM.Generated.TouchList
       (item, item_, itemUnsafe, itemUnchecked, getLength, TouchList(..), gTypeTouchList)
       where
import Prelude ((.), (==), (>>=), (<$>), (++), Bool(..), Maybe(..), IO, Int, Word, Double, Float)
import qualified Prelude as P
import Control.Monad (void)
import Control.Lens.Operators ((^.))
import Language.Javascript.JSaddle (JSM, JSVal, JSString, toJSVal, valToBool, valToNumber, js, jss, jsf, jsg, new, function, asyncFunction, jsUndefined, jsNull)
import JSDOM.Types
import qualified JSDOM.Types as Types
import JSDOM.EventTargetClosures (EventName, unsafeEventName, unsafeEventNameAsync)
import JSDOM.Generated.Enums

-- | <https://developer.mozilla.org/docs/Web/API/TouchList/item MDN TouchList.item documentation>
item :: (MonadDOM m) => TouchList -> Word -> m (Maybe Touch)
item self index = liftDOM (((self ^. jsf "item" [toJSVal index]) >>= fromJSValUnchecked))

-- | <https://developer.mozilla.org/docs/Web/API/TouchList/item MDN TouchList.item documentation>
item_ :: (MonadDOM m) => TouchList -> Word -> m ()
item_ self index = liftDOM (void (self ^. jsf "item" [toJSVal index]))

-- | <https://developer.mozilla.org/docs/Web/API/TouchList/item MDN TouchList.item documentation>
itemUnsafe :: (MonadDOM m, HasCallStack) => TouchList -> Word -> m Touch
itemUnsafe self index = liftDOM ((((self ^. jsf "item" [toJSVal index]) >>= fromJSValUnchecked) >>= P.maybe (P.error "Nothing to return") P.return))

-- | <https://developer.mozilla.org/docs/Web/API/TouchList/item MDN TouchList.item documentation>
itemUnchecked :: (MonadDOM m) => TouchList -> Word -> m Touch
itemUnchecked self index = liftDOM (((self ^. jsf "item" [toJSVal index]) >>= fromJSValUnchecked))

-- | <https://developer.mozilla.org/docs/Web/API/TouchList/length MDN TouchList.length documentation>
getLength :: (MonadDOM m) => TouchList -> m Word
getLength self = liftDOM ((P.round <$> ((self ^. js "length") >>= valToNumber)))