Language.Javascript.JSaddle.Value

Deals with JavaScript values. These can be

• null
• undefined
• true | false
• a double precision floating point number
• a string
• an object

JavaScript value references

data JSVal

Instances

NFData JSVal

Defined in GHCJS.Prim.Internal

Methods

rnf :: JSVal -> ()

MakeArgs JSVal

A single JSVal can be used as the argument list

Defined in Language.Javascript.JSaddle.Value

Methods

makeArgs :: JSVal -> JSM [JSVal]

MakeArgs JSCallAsFunction

Defined in Language.Javascript.JSaddle.Object

Methods

makeArgs :: JSCallAsFunction -> JSM [JSVal]

MakeObject JSVal

Defined in Language.Javascript.JSaddle.Value

Methods

makeObject :: JSVal -> JSM Object

FromJSVal JSVal

Defined in GHCJS.Marshal

Methods

fromJSVal :: JSVal -> JSM (Maybe JSVal)

fromJSValUnchecked :: JSVal -> JSM JSVal

fromJSValListOf :: JSVal -> JSM (Maybe [JSVal])

fromJSValUncheckedListOf :: JSVal -> JSM [JSVal]

ToJSVal JSVal

If we already have a JSVal we are fine

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: JSVal -> JSM JSVal

toJSValListOf :: [JSVal] -> JSM JSVal

ToJSVal JSCallAsFunction

A callback to Haskell can be used as a JavaScript value. This will create an anonymous JavaScript function object. Use function to create one with a name.

Defined in Language.Javascript.JSaddle.Object

Methods

toJSVal :: JSCallAsFunction -> JSM JSVal

toJSValListOf :: [JSCallAsFunction] -> JSM JSVal

PFromJSVal JSVal

Defined in GHCJS.Marshal.Pure

Methods

pFromJSVal :: JSVal -> JSVal

PToJSVal JSVal

Defined in GHCJS.Marshal.Pure

Methods

pToJSVal :: JSVal -> JSVal

class ToJSVal a where

Minimal complete definition

Nothing

Methods

toJSVal :: a -> JSM JSVal

toJSValListOf :: [a] -> JSM JSVal

toJSVal :: (Generic a, GToJSVal (Rep a ())) => a -> JSM JSVal

Instances

ToJSVal Bool

Make a JavaScript boolean value

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Bool -> JSM JSVal

toJSValListOf :: [Bool] -> JSM JSVal

ToJSVal Char

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Char -> JSM JSVal

toJSValListOf :: [Char] -> JSM JSVal

ToJSVal Double

Makes a JavaScript number

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Double -> JSM JSVal

toJSValListOf :: [Double] -> JSM JSVal

ToJSVal Float

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Float -> JSM JSVal

toJSValListOf :: [Float] -> JSM JSVal

ToJSVal Int

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Int -> JSM JSVal

toJSValListOf :: [Int] -> JSM JSVal

ToJSVal Int8

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Int8 -> JSM JSVal

toJSValListOf :: [Int8] -> JSM JSVal

ToJSVal Int16

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Int16 -> JSM JSVal

toJSValListOf :: [Int16] -> JSM JSVal

ToJSVal Int32

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Int32 -> JSM JSVal

toJSValListOf :: [Int32] -> JSM JSVal

ToJSVal Word

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Word -> JSM JSVal

toJSValListOf :: [Word] -> JSM JSVal

ToJSVal Word8

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Word8 -> JSM JSVal

toJSValListOf :: [Word8] -> JSM JSVal

ToJSVal Word16

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Word16 -> JSM JSVal

toJSValListOf :: [Word16] -> JSM JSVal

ToJSVal Word32

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Word32 -> JSM JSVal

toJSValListOf :: [Word32] -> JSM JSVal

ToJSVal Text

Makes a JavaScript string

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Text -> JSM JSVal

toJSValListOf :: [Text] -> JSM JSVal

ToJSVal Value

Makes a JSON value

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Value -> JSM JSVal

toJSValListOf :: [Value] -> JSM JSVal

ToJSVal JSString

Makes a JavaScript string

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: JSString -> JSM JSVal

toJSValListOf :: [JSString] -> JSM JSVal

ToJSVal JSVal

If we already have a JSVal we are fine

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: JSVal -> JSM JSVal

toJSValListOf :: [JSVal] -> JSM JSVal

ToJSVal Object

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Object -> JSM JSVal

toJSValListOf :: [Object] -> JSM JSVal

ToJSVal JSCallAsFunction

A callback to Haskell can be used as a JavaScript value. This will create an anonymous JavaScript function object. Use function to create one with a name.

Defined in Language.Javascript.JSaddle.Object

Methods

toJSVal :: JSCallAsFunction -> JSM JSVal

toJSValListOf :: [JSCallAsFunction] -> JSM JSVal

ToJSVal JSValue

Makes a JavaScript value from a JSValue ADT.

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: JSValue -> JSM JSVal

toJSValListOf :: [JSValue] -> JSM JSVal

ToJSVal JSUndefined

Makes an undefined JavaScript value

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: JSUndefined -> JSM JSVal

toJSValListOf :: [JSUndefined] -> JSM JSVal

ToJSVal JSNull

Makes a null JavaScript value

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: JSNull -> JSM JSVal

toJSValListOf :: [JSNull] -> JSM JSVal

ToJSVal Function

Defined in Language.Javascript.JSaddle.Object

Methods

toJSVal :: Function -> JSM JSVal

toJSValListOf :: [Function] -> JSM JSVal

ToJSVal a => ToJSVal [a]

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: [a] -> JSM JSVal

toJSValListOf :: [[a]] -> JSM JSVal

ToJSVal a => ToJSVal (Maybe a)

Makes a JSVal or null JavaScript value

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: Maybe a -> JSM JSVal

toJSValListOf :: [Maybe a] -> JSM JSVal

ToJSVal v => ToJSVal (JSM v)

JSVal can be made by evaluating a function in JSM as long as it returns something we can make into a JSVal.

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: JSM v -> JSM JSVal

toJSValListOf :: [JSM v] -> JSM JSVal

(ToJSVal a, ToJSVal b) => ToJSVal (a, b)

Defined in GHCJS.Marshal

Methods

toJSVal :: (a, b) -> JSM JSVal

toJSValListOf :: [(a, b)] -> JSM JSVal

(ToJSVal a, ToJSVal b, ToJSVal c) => ToJSVal (a, b, c)

Defined in GHCJS.Marshal

Methods

toJSVal :: (a, b, c) -> JSM JSVal

toJSValListOf :: [(a, b, c)] -> JSM JSVal

(ToJSVal a, ToJSVal b, ToJSVal c, ToJSVal d) => ToJSVal (a, b, c, d)

Defined in GHCJS.Marshal

Methods

toJSVal :: (a, b, c, d) -> JSM JSVal

toJSValListOf :: [(a, b, c, d)] -> JSM JSVal

(ToJSVal a, ToJSVal b, ToJSVal c, ToJSVal d, ToJSVal e) => ToJSVal (a, b, c, d, e)

Defined in GHCJS.Marshal

Methods

toJSVal :: (a, b, c, d, e) -> JSM JSVal

toJSValListOf :: [(a, b, c, d, e)] -> JSM JSVal

(ToJSVal a, ToJSVal b, ToJSVal c, ToJSVal d, ToJSVal e, ToJSVal f) => ToJSVal (a, b, c, d, e, f)

Defined in GHCJS.Marshal

Methods

toJSVal :: (a, b, c, d, e, f) -> JSM JSVal

toJSValListOf :: [(a, b, c, d, e, f)] -> JSM JSVal

(ToJSVal a, ToJSVal b, ToJSVal c, ToJSVal d, ToJSVal e, ToJSVal f, ToJSVal g) => ToJSVal (a, b, c, d, e, f, g)

Defined in GHCJS.Marshal

Methods

toJSVal :: (a, b, c, d, e, f, g) -> JSM JSVal

toJSValListOf :: [(a, b, c, d, e, f, g)] -> JSM JSVal

Haskell types for JavaScript values

data JSNull

Constructors

JSNull

Type that represents a value that can only be null. Haskell of course has no null so we are adding this type.

Instances

MakeArgs JSNull

Makes an argument list with just a single null JavaScript value

Defined in Language.Javascript.JSaddle.Value

Methods

makeArgs :: JSNull -> JSM [JSVal]

ToJSVal JSNull

Makes a null JavaScript value

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: JSNull -> JSM JSVal

toJSValListOf :: [JSNull] -> JSM JSVal

type JSUndefined

Arguments

 = ()

A type that can only be undefined in JavaScript. Using () because functions in JavaScript that have no return, impicitly return undefined. type JSBool = Bool -- ^ JavaScript boolean values map the Bool haskell type. type JSNumber = Double -- ^ A number in JavaScript maps nicely to Double. type JSString = Text -- ^ JavaScript strings can be represented with the Haskell Text type.

data JSString

A wrapper around a JavaScript string

Instances

IsList JSString

Defined in Data.JSString

Associated Types

type Item JSString :: Type

Methods

fromList :: [Item JSString] -> JSString

fromListN :: Int -> [Item JSString] -> JSString

toList :: JSString -> [Item JSString]

Eq JSString

Defined in Data.JSString.Internal.Type

Methods

(==) :: JSString -> JSString -> Bool

(/=) :: JSString -> JSString -> Bool

Data JSString

Defined in Data.JSString.Internal.Type

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> JSString -> c JSString

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c JSString

toConstr :: JSString -> Constr

dataTypeOf :: JSString -> DataType

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c JSString)

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c JSString)

gmapT :: (forall b. Data b => b -> b) -> JSString -> JSString

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> JSString -> r

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> JSString -> r

gmapQ :: (forall d. Data d => d -> u) -> JSString -> [u]

gmapQi :: Int -> (forall d. Data d => d -> u) -> JSString -> u

gmapM :: Monad m => (forall d. Data d => d -> m d) -> JSString -> m JSString

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> JSString -> m JSString

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> JSString -> m JSString

Ord JSString

Defined in Data.JSString.Internal.Type

Methods

compare :: JSString -> JSString -> Ordering

(<) :: JSString -> JSString -> Bool

(<=) :: JSString -> JSString -> Bool

(>) :: JSString -> JSString -> Bool

(>=) :: JSString -> JSString -> Bool

max :: JSString -> JSString -> JSString

min :: JSString -> JSString -> JSString

Read JSString

Defined in Data.JSString.Internal.Type

Methods

readsPrec :: Int -> ReadS JSString

readList :: ReadS [JSString]

readPrec :: ReadPrec JSString

readListPrec :: ReadPrec [JSString]

Show JSString

Defined in Data.JSString.Internal.Type

Methods

showsPrec :: Int -> JSString -> ShowS

show :: JSString -> String

showList :: [JSString] -> ShowS

IsString JSString

Defined in Data.JSString.Internal.Type

Methods

fromString :: String -> JSString

Semigroup JSString

Defined in Data.JSString.Internal.Type

Methods

(<>) :: JSString -> JSString -> JSString

sconcat :: NonEmpty JSString -> JSString

stimes :: Integral b => b -> JSString -> JSString

Monoid JSString

Defined in Data.JSString.Internal.Type

Methods

mempty :: JSString

mappend :: JSString -> JSString -> JSString

mconcat :: [JSString] -> JSString

ToJSON JSString

Defined in Data.JSString.Internal.Type

Methods

toJSON :: JSString -> Value

toEncoding :: JSString -> Encoding

toJSONList :: [JSString] -> Value

toEncodingList :: [JSString] -> Encoding

FromJSON JSString

Defined in Data.JSString.Internal.Type

Methods

parseJSON :: Value -> Parser JSString

parseJSONList :: Value -> Parser [JSString]

NFData JSString

Defined in Data.JSString.Internal.Type

Methods

rnf :: JSString -> ()

IsJSVal JSString

Defined in GHCJS.Internal.Types

Methods

jsval_ :: JSString -> GHCJSPure JSVal

FromJSVal JSString

Defined in Language.Javascript.JSaddle.Value

Methods

fromJSVal :: JSVal -> JSM (Maybe JSString)

fromJSValUnchecked :: JSVal -> JSM JSString

fromJSValListOf :: JSVal -> JSM (Maybe [JSString])

fromJSValUncheckedListOf :: JSVal -> JSM [JSString]

ToJSVal JSString

Makes a JavaScript string

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: JSString -> JSM JSVal

toJSValListOf :: [JSString] -> JSM JSVal

FromJSString JSString

Defined in Language.Javascript.JSaddle.Value

Methods

fromJSString :: JSString -> JSString

ToJSString JSString

If we already have a JSString we are fine

Defined in Language.Javascript.JSaddle.Value

Methods

toJSString :: JSString -> JSString

type Item JSString

Defined in Data.JSString

type Item JSString = Char

data JSValue

An algebraic data type that can represent a JavaScript value. Any JavaScriptCore JSVal can be converted into this type.

Constructors

ValNull

null

ValUndefined

undefined

ValBool Bool

true or false

ValNumber Double

a number

ValString Text

a string

ValObject Object

an object

Instances

MakeArgs JSValue

Makes an argument list with just a single JavaScript value from a JSValue ADT.

Defined in Language.Javascript.JSaddle.Value

Methods

makeArgs :: JSValue -> JSM [JSVal]

ToJSVal JSValue

Makes a JavaScript value from a JSValue ADT.

Defined in Language.Javascript.JSaddle.Value

Methods

toJSVal :: JSValue -> JSM JSVal

toJSValListOf :: [JSValue] -> JSM JSVal

showJSValue :: JSValue -> String

Show a JSValue but just say "object" if the value is a JavaScript object.

Converting JavaScript values

isTruthy :: JSVal -> GHCJSPure Bool

valToBool :: ToJSVal value => value -> JSM Bool

Given a JavaScript value get its boolean value. All values in JavaScript convert to bool.

>>> testJSaddle $ valToBool JSNull
false
>>> testJSaddle $ valToBool ()
false
>>> testJSaddle $ valToBool True
true
>>> testJSaddle $ valToBool False
false
>>> testJSaddle $ valToBool (1.0 :: Double)
true
>>> testJSaddle $ valToBool (0.0 :: Double)
false
>>> testJSaddle $ valToBool ""
false
>>> testJSaddle $ valToBool "1"
true

valToNumber :: ToJSVal value => value -> JSM Double

Given a JavaScript value get its numeric value. May throw JSException.

>>> testJSaddle $ show <$> valToNumber JSNull
0.0
>>> testJSaddle $ show <$> valToNumber ()
NaN
>>> testJSaddle $ show <$> valToNumber True
1.0
>>> testJSaddle $ show <$> valToNumber False
0.0
>>> testJSaddle $ show <$> valToNumber (1.0 :: Double)
1.0
>>> testJSaddle $ show <$> valToNumber (0.0 :: Double)
0.0
>>> testJSaddle $ show <$> valToNumber ""
0.0
>>> testJSaddle $ show <$> valToNumber "1"
1.0

valToStr :: ToJSVal value => value -> JSM JSString

Given a JavaScript value get its string value (as a JavaScript string). May throw JSException.

>>> testJSaddle $ strToText <$> valToStr JSNull
null
>>> testJSaddle $ strToText <$> valToStr ()
undefined
>>> testJSaddle $ strToText <$> valToStr True
true
>>> testJSaddle $ strToText <$> valToStr False
false
>>> testJSaddle $ strToText <$> valToStr (1.0 :: Double)
1
>>> testJSaddle $ strToText <$> valToStr (0.0 :: Double)
0
>>> testJSaddle $ strToText <$> valToStr ""

>>> testJSaddle $ strToText <$> valToStr "1"
1

valToObject :: ToJSVal value => value -> JSM Object

Given a JavaScript value get its object value. May throw JSException.

>>> testJSaddle $ (valToObject JSNull >>= valToText) `catch` \ (JSException e) -> valToText e
null
>>> testJSaddle $ (valToObject () >>= valToText) `catch` \ (JSException e) -> valToText e
undefined
>>> testJSaddle $ valToObject True
true
>>> testJSaddle $ valToObject False
false
>>> testJSaddle $ valToObject (1.0 :: Double)
1
>>> testJSaddle $ valToObject (0.0 :: Double)
0
>>> testJSaddle $ valToObject ""

>>> testJSaddle $ valToObject "1"
1

valToText :: ToJSVal value => value -> JSM Text

Given a JavaScript value get its string value (as a Haskell Text). May throw JSException.

>>> testJSaddle $ show <$> valToText JSNull
"null"
>>> testJSaddle $ show <$> valToText ()
"undefined"
>>> testJSaddle $ show <$> valToText True
"true"
>>> testJSaddle $ show <$> valToText False
"false"
>>> testJSaddle $ show <$> valToText (1.0 :: Double)
"1"
>>> testJSaddle $ show <$> valToText (0.0 :: Double)
"0"
>>> testJSaddle $ show <$> valToText ""
""
>>> testJSaddle $ show <$> valToText "1"
"1"

valToJSON :: ToJSVal value => value -> JSM JSString

Given a JavaScript value get a JSON string value. May throw JSException.

>>> testJSaddle $ strToText <$> valToJSON JSNull
null
>>> testJSaddle $ strToText <$> valToJSON ()

>>> testJSaddle $ strToText <$> valToJSON True
true
>>> testJSaddle $ strToText <$> valToJSON False
false
>>> testJSaddle $ strToText <$> valToJSON (1.0 :: Double)
1
>>> testJSaddle $ strToText <$> valToJSON (0.0 :: Double)
0
>>> testJSaddle $ strToText <$> valToJSON ""
""
>>> testJSaddle $ strToText <$> valToJSON "1"
"1"
>>> testJSaddle $ strToText <$> (obj >>= valToJSON)
{}

Make JavaScript values from Haskell ones

val

Arguments

:: ToJSVal value

=> value

value to convert to a JavaScript value

-> JSM JSVal

Convert to a JavaScript value (just an alias for toJSVal)

jsNull :: JSVal

valNull :: JSVal

A null JavaScript value

isNull :: JSVal -> GHCJSPure Bool

valIsNull :: ToJSVal value => value -> JSM Bool

Test a JavaScript value to see if it is null

jsUndefined :: JSVal

valUndefined :: JSVal

An undefined JavaScript value

isUndefined :: JSVal -> GHCJSPure Bool

valIsUndefined :: ToJSVal value => value -> JSM Bool

Test a JavaScript value to see if it is undefined

maybeNullOrUndefined :: ToJSVal value => value -> JSM (Maybe JSVal)

Convert a JSVal to a Maybe JSVal (converting null and undefined to Nothing)

maybeNullOrUndefined' :: ToJSVal value => (JSVal -> JSM a) -> value -> JSM (Maybe a)

toJSBool :: Bool -> JSVal

jsTrue :: JSVal

jsFalse :: JSVal

valBool :: Bool -> JSVal

A JavaScript boolean value

valMakeNumber :: Double -> JSM JSVal

Make a JavaScript number

valMakeString :: JSString -> JSM JSVal

Make a JavaScript string from JSString

valMakeText :: Text -> JSM JSVal

Make a JavaScript string from Text

valMakeJSON :: Value -> JSM JSVal

Make a JavaScript string from AESON Value

Convert to and from JSValue

deRefVal :: ToJSVal value => value -> JSM JSValue

Derefernce a value reference.

>>> testJSaddle $ showJSValue <$> deRefVal JSNull
null
>>> testJSaddle $ showJSValue <$> deRefVal ()
undefined
>>> testJSaddle $ showJSValue <$> deRefVal True
true
>>> testJSaddle $ showJSValue <$> deRefVal False
false
>>> testJSaddle $ showJSValue <$> deRefVal (1.0 :: Double)
1.0
>>> testJSaddle $ showJSValue <$> deRefVal (0.0 :: Double)
0.0
>>> testJSaddle $ showJSValue <$> deRefVal ""
""
>>> testJSaddle $ showJSValue <$> deRefVal "1"
"1"
>>> testJSaddle $ showJSValue <$> (valToObject True >>= deRefVal)
true
>>> testJSaddle $ showJSValue <$> (obj >>= deRefVal)
object

valMakeRef :: JSValue -> JSM JSVal

Make a JavaScript value out of a JSValue ADT.

>>> testJSaddle $ valMakeRef ValNull
null
>>> testJSaddle $ valMakeRef ValUndefined
undefined
>>> testJSaddle $ valMakeRef (ValBool True)
true
>>> testJSaddle $ valMakeRef (ValNumber 1)
1
>>> testJSaddle $ valMakeRef (ValString $ T.pack "Hello")
Hello

strictEqual :: (ToJSVal a, ToJSVal b) => a -> b -> JSM Bool

Determine if two values are equal (JavaScripts ===) >>> testJSaddle $ strictEqual True False false >>> testJSaddle $ strictEqual True True true >>> testJSaddle $ strictEqual Hello () false >>> testJSaddle $ strictEqual Hello Hello true

instanceOf :: (ToJSVal value, MakeObject constructor) => value -> constructor -> JSM Bool

Determine if two values are equal (JavaScripts ===) >>> testJSaddle $ instanceOf obj (Object $ jsg Object) true

Orphan instances

MakeArgs Bool

Makes an argument list with just a single JavaScript boolean value

Methods

makeArgs :: Bool -> JSM [JSVal]

MakeArgs Double

Makes an argument list with just a single JavaScript number

Methods

makeArgs :: Double -> JSM [JSVal]

MakeArgs ()

This allows us to pass no arguments easily (altenative would be to use []::[JSVal]).

Methods

makeArgs :: () -> JSM [JSVal]

MakeArgs Text

Makes an argument list with just a single JavaScript string

Methods

makeArgs :: Text -> JSM [JSVal]

MakeArgs Value

Makes an argument list with just a single JSON value

Methods

makeArgs :: Value -> JSM [JSVal]

MakeArgs JSVal

A single JSVal can be used as the argument list

Methods

makeArgs :: JSVal -> JSM [JSVal]

MakeObject JSVal

Methods

makeObject :: JSVal -> JSM Object

FromJSVal Char

Methods

fromJSVal :: JSVal -> JSM (Maybe Char)

fromJSValUnchecked :: JSVal -> JSM Char

fromJSValListOf :: JSVal -> JSM (Maybe [Char])

fromJSValUncheckedListOf :: JSVal -> JSM [Char]

FromJSVal Text

Methods

fromJSVal :: JSVal -> JSM (Maybe Text)

fromJSValUnchecked :: JSVal -> JSM Text

fromJSValListOf :: JSVal -> JSM (Maybe [Text])

fromJSValUncheckedListOf :: JSVal -> JSM [Text]

FromJSVal JSString

Methods

fromJSVal :: JSVal -> JSM (Maybe JSString)

fromJSValUnchecked :: JSVal -> JSM JSString

fromJSValListOf :: JSVal -> JSM (Maybe [JSString])

fromJSValUncheckedListOf :: JSVal -> JSM [JSString]

ToJSVal Bool

Make a JavaScript boolean value

Methods

toJSVal :: Bool -> JSM JSVal

toJSValListOf :: [Bool] -> JSM JSVal

ToJSVal Char

Methods

toJSVal :: Char -> JSM JSVal

toJSValListOf :: [Char] -> JSM JSVal

ToJSVal Double

Makes a JavaScript number

Methods

toJSVal :: Double -> JSM JSVal

toJSValListOf :: [Double] -> JSM JSVal

ToJSVal Float

Methods

toJSVal :: Float -> JSM JSVal

toJSValListOf :: [Float] -> JSM JSVal

ToJSVal Int

Methods

toJSVal :: Int -> JSM JSVal

toJSValListOf :: [Int] -> JSM JSVal

ToJSVal Int8

Methods

toJSVal :: Int8 -> JSM JSVal

toJSValListOf :: [Int8] -> JSM JSVal

ToJSVal Int16

Methods

toJSVal :: Int16 -> JSM JSVal

toJSValListOf :: [Int16] -> JSM JSVal

ToJSVal Int32

Methods

toJSVal :: Int32 -> JSM JSVal

toJSValListOf :: [Int32] -> JSM JSVal

ToJSVal Word

Methods

toJSVal :: Word -> JSM JSVal

toJSValListOf :: [Word] -> JSM JSVal

ToJSVal Word8

Methods

toJSVal :: Word8 -> JSM JSVal

toJSValListOf :: [Word8] -> JSM JSVal

ToJSVal Word16

Methods

toJSVal :: Word16 -> JSM JSVal

toJSValListOf :: [Word16] -> JSM JSVal

ToJSVal Word32

Methods

toJSVal :: Word32 -> JSM JSVal

toJSValListOf :: [Word32] -> JSM JSVal

ToJSVal Text

Makes a JavaScript string

Methods

toJSVal :: Text -> JSM JSVal

toJSValListOf :: [Text] -> JSM JSVal

ToJSVal Value

Makes a JSON value

Methods

toJSVal :: Value -> JSM JSVal

toJSValListOf :: [Value] -> JSM JSVal

ToJSVal JSString

Makes a JavaScript string

Methods

toJSVal :: JSString -> JSM JSVal

toJSValListOf :: [JSString] -> JSM JSVal

ToJSVal JSVal

If we already have a JSVal we are fine

Methods

toJSVal :: JSVal -> JSM JSVal

toJSValListOf :: [JSVal] -> JSM JSVal

ToJSVal Object

Methods

toJSVal :: Object -> JSM JSVal

toJSValListOf :: [Object] -> JSM JSVal

ToJSVal JSUndefined

Makes an undefined JavaScript value

Methods

toJSVal :: JSUndefined -> JSM JSVal

toJSValListOf :: [JSUndefined] -> JSM JSVal

FromJSString Text

Methods

fromJSString :: JSString -> Text

FromJSString String

Methods

fromJSString :: JSString -> String

FromJSString JSString

Methods

fromJSString :: JSString -> JSString

ToJSString Text

Methods

toJSString :: Text -> JSString

ToJSString String

Methods

toJSString :: String -> JSString

ToJSString JSString

If we already have a JSString we are fine

Methods

toJSString :: JSString -> JSString

FromJSVal a => FromJSVal [a]

Methods

fromJSVal :: JSVal -> JSM (Maybe [a])

fromJSValUnchecked :: JSVal -> JSM [a]

fromJSValListOf :: JSVal -> JSM (Maybe [[a]])

fromJSValUncheckedListOf :: JSVal -> JSM [[a]]

FromJSVal a => FromJSVal (Maybe a)

Methods

fromJSVal :: JSVal -> JSM (Maybe (Maybe a))

fromJSValUnchecked :: JSVal -> JSM (Maybe a)

fromJSValListOf :: JSVal -> JSM (Maybe [Maybe a])

fromJSValUncheckedListOf :: JSVal -> JSM [Maybe a]

ToJSVal a => ToJSVal [a]

Methods

toJSVal :: [a] -> JSM JSVal

toJSValListOf :: [[a]] -> JSM JSVal

ToJSVal a => ToJSVal (Maybe a)

Makes a JSVal or null JavaScript value

Methods

toJSVal :: Maybe a -> JSM JSVal

toJSValListOf :: [Maybe a] -> JSM JSVal

ToJSVal v => ToJSVal (JSM v)

JSVal can be made by evaluating a function in JSM as long as it returns something we can make into a JSVal.

Methods

toJSVal :: JSM v -> JSM JSVal

toJSValListOf :: [JSM v] -> JSM JSVal