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 Source #

Constructors

JSVal ()

Instances

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

data WouldBlockException Source #

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

data JSException Source #

Constructors

JSException JSVal String

Instances

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

mkJSException :: JSVal -> IO JSException Source #

fromJSString :: JSVal -> String Source #

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 Source #

toJSArray :: [JSVal] -> IO JSVal Source #

fromJSArray :: JSVal -> IO [JSVal] Source #

fromJSInt :: JSVal -> Int Source #

returns zero if the JSVal does not contain a number

toJSInt :: Int -> JSVal Source #

isNull :: JSVal -> Bool Source #

isUndefined :: JSVal -> Bool Source #

jsNull :: JSVal Source #

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

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