{-# LANGUAGE PatternSynonyms #-}
-- For HasCallStack compatibility
{-# LANGUAGE ImplicitParams, ConstraintKinds, KindSignatures #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
module JSDOM.Generated.FileList
       (item, item_, itemUnsafe, itemUnchecked, getLength, FileList(..),
        gTypeFileList)
       where
import Prelude ((.), (==), (>>=), return, IO, Int, Float, Double, Bool(..), Maybe, maybe, fromIntegral, round, realToFrac, fmap, Show, Read, Eq, Ord, Maybe(..))
import qualified Prelude (error)
import Data.Typeable (Typeable)
import Data.Traversable (mapM)
import Language.Javascript.JSaddle (JSM(..), JSVal(..), JSString, strictEqual, toJSVal, valToStr, valToNumber, valToBool, js, jss, jsf, jsg, function, asyncFunction, new, array, jsUndefined, (!), (!!))
import Data.Int (Int64)
import Data.Word (Word, Word64)
import JSDOM.Types
import Control.Applicative ((<$>))
import Control.Monad (void)
import Control.Lens.Operators ((^.))
import JSDOM.EventTargetClosures (EventName, unsafeEventName)
import JSDOM.Enums

-- | <https://developer.mozilla.org/en-US/docs/Web/API/FileList.item Mozilla FileList.item documentation> 
item :: (MonadDOM m) => FileList -> Word -> m (Maybe File)
item self index
  = liftDOM ((self ^. jsf "item" [toJSVal index]) >>= fromJSVal)

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

-- | <https://developer.mozilla.org/en-US/docs/Web/API/FileList.item Mozilla FileList.item documentation> 
itemUnsafe ::
           (MonadDOM m, HasCallStack) => FileList -> Word -> m File
itemUnsafe self index
  = liftDOM
      (((self ^. jsf "item" [toJSVal index]) >>= fromJSVal) >>=
         maybe (Prelude.error "Nothing to return") return)

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

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