{-# LANGUAGE CPP #-}
{-# LANGUAGE PatternSynonyms #-}
-- For HasCallStack compatibility
{-# LANGUAGE ImplicitParams, ConstraintKinds, KindSignatures #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
module JSDOM.Generated.PerformanceEntryList
       (item, item_, itemUnsafe, itemUnchecked, getLength,
        PerformanceEntryList(..), gTypePerformanceEntryList)
       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 Language.Javascript.JSaddle (JSM(..), JSVal(..), JSString, strictEqual, toJSVal, valToStr, valToNumber, valToBool, js, jss, jsf, jsg, function, new, array)
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
#if MIN_VERSION_base(4,9,0)
import GHC.Stack (HasCallStack)
#elif MIN_VERSION_base(4,8,0)
import GHC.Stack (CallStack)
import GHC.Exts (Constraint)
type HasCallStack = ((?callStack :: CallStack) :: Constraint)
#else
import GHC.Exts (Constraint)
type HasCallStack = (() :: Constraint)
#endif

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

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

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

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