Safe Haskell	None
Language	Haskell2010

GHCJS.Prim

Synopsis

newtype JSVal = JSVal ()
data WouldBlockException = WouldBlockException
data JSException = JSException JSVal String
mkJSException :: JSVal -> IO JSException
fromJSString :: JSVal -> String
toJSString :: String -> JSVal
toJSArray :: [JSVal] -> IO JSVal
fromJSArray :: JSVal -> IO [JSVal]
fromJSInt :: JSVal -> Int
toJSInt :: Int -> JSVal
isNull :: JSVal -> Bool
isUndefined :: JSVal -> Bool
jsNull :: JSVal
getProp :: JSVal -> String -> IO JSVal
getProp' :: JSVal -> JSVal -> IO JSVal

Documentation

newtype JSVal #

Constructors

JSVal ()

Instances

NFData JSVal #
Instance details Defined in GHCJS.Internal.Types Methods rnf :: JSVal -> () #
FromJSVal JSVal #
Instance details Defined in GHCJS.Marshal Methods fromJSVal :: JSVal -> IO (Maybe JSVal) # fromJSValUnchecked :: JSVal -> IO JSVal # fromJSValListOf :: JSVal -> IO (Maybe [JSVal]) # fromJSValUncheckedListOf :: JSVal -> IO [JSVal] #
ToJSVal JSVal #
Instance details Defined in GHCJS.Marshal Methods toJSVal :: JSVal -> IO JSVal # toJSValListOf :: [JSVal] -> IO JSVal #
PFromJSVal JSVal #
Instance details Defined in GHCJS.Marshal.Pure Methods pFromJSVal :: JSVal -> JSVal #
PToJSVal JSVal #
Instance details Defined in GHCJS.Marshal.Pure Methods pToJSVal :: JSVal -> JSVal #

data WouldBlockException #

If a synchronous thread tries to do something that can only be done asynchronously, and the thread is set up to not continue asynchronously, it receives this exception.

Constructors

WouldBlockException

Instances

Show WouldBlockException #
Instance details Defined in GHCJS.Prim Methods showsPrec :: Int -> WouldBlockException -> ShowS # show :: WouldBlockException -> String # showList :: [WouldBlockException] -> ShowS #
Exception WouldBlockException #
Instance details Defined in GHCJS.Prim Methods toException :: WouldBlockException -> SomeException # fromException :: SomeException -> Maybe WouldBlockException # displayException :: WouldBlockException -> String #

data JSException #

Constructors

JSException JSVal String

Instances

Show JSException #
Instance details Defined in GHCJS.Prim Methods showsPrec :: Int -> JSException -> ShowS # show :: JSException -> String # showList :: [JSException] -> ShowS #
Exception JSException #
Instance details Defined in GHCJS.Prim Methods toException :: JSException -> SomeException # fromException :: SomeException -> Maybe JSException # displayException :: JSException -> String #

mkJSException :: JSVal -> IO JSException #

fromJSString :: JSVal -> String #

Low-level conversion utilities for packages that cannot depend on ghcjs-base

returns an empty string if the JSVal does not contain a string

toJSString :: String -> JSVal #

toJSArray :: [JSVal] -> IO JSVal #

fromJSArray :: JSVal -> IO [JSVal] #

fromJSInt :: JSVal -> Int #

returns zero if the JSVal does not contain a number

toJSInt :: Int -> JSVal #

isNull :: JSVal -> Bool #

isUndefined :: JSVal -> Bool #

jsNull :: JSVal #

getProp :: JSVal -> String -> IO JSVal #

getProp' :: JSVal -> JSVal -> IO JSVal #