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HTML.purs
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HTML.purs
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-- | This module contains Turbines DSL for constructing HTML.
-- |
-- | This module is typically imported qualified as.
-- | ```purescript
-- | import Turbine.HTML as H
-- | ```
module Turbine.HTML
( Attributes'
, Output'
, h1
, div
, br
, p
, text
, textB
, ul
, li
, span
, InputAttrs'
, InputAttrs
, InputOut'
, InputOut
, input
, checkbox
, inputRange
, textarea
, button
, label
, section
, header
, footer
, table
, th
, tr
, td
, progress
, empty
, class Subrow
, class RecordOf
, class RecordOfGo
, toArray
, toArrayGo
, ClassDescription
, ClassElement
, staticClass
, dynamicClass
, toggleClass
) where
import Prelude hiding (div)
import Data.Function.Uncurried (Fn2, Fn1, runFn1, runFn2)
import Data.Symbol (class IsSymbol, SProxy(..))
import Hareactive.Types (Behavior, Stream)
import Prim.Row (class Union)
import Prim.Row as Row
import Prim.RowList as RL
import Record as R
import Turbine (Component)
import Type.Data.RowList (RLProxy(..))
import Type.Row (type (+))
import Web.UIEvent.FocusEvent (FocusEvent)
import Web.UIEvent.InputEvent (InputEvent)
import Web.UIEvent.KeyboardEvent (KeyboardEvent)
import Web.UIEvent.MouseEvent (MouseEvent)
class Subrow (r :: # Type) (s :: # Type)
instance subrow :: Union r t s => Subrow r s
class RecordOfGo (xs :: RL.RowList) (row :: # Type) a | xs -> row a where
toArrayGo :: RLProxy xs -> Record row -> Array a
instance recordOfConsGo ::
( IsSymbol name -- Name should be a symbol
, RL.RowToList row rx
, Row.Cons name a trash row
, RecordOfGo xs' row a -- Recursive invocation
) => RecordOfGo (RL.Cons name a xs') row a where
toArrayGo _ rec = [val] <> (toArrayGo rest rec)
where
nameP = SProxy :: SProxy name
rest = (RLProxy :: RLProxy xs')
val = R.get nameP rec
instance recordOfNilGo :: RecordOfGo RL.Nil row a where
toArrayGo _ _ = []
class RecordOf a (row :: # Type) | row -> a where
toArray :: forall xs. RL.RowToList row xs => RecordOfGo xs row a => { | row } -> Array a
instance recordOf ::
( RL.RowToList row xs
, RecordOfGo xs row a
) => RecordOf a row where
toArray = toArrayGo (RLProxy :: RLProxy xs)
foreign import data ClassElement :: Type
newtype ClassDescription = ClassDescription (Array ClassElement)
-- | Creates a static class from a string of space separated class names.
-- |
-- | ```purescript
-- | staticClass "foo bar baz"
-- | ```
foreign import staticClass :: String -> ClassDescription
-- | Creates a dynamic class from a string valued behavior. At any point in time
-- | the element will have the class named in the behavior at that point in
-- | time.
-- |
-- | ```purescript
-- | dynamicClass stringValuedBehavior
-- | ```
foreign import dynamicClass :: Behavior String -> ClassDescription
-- | Takes a class name and a boolean valued behavior. When the behavior is
-- | `true` the element has the class and when the behavior is `false` the
-- | element does not have the class.
-- |
-- | ```purescript
-- | toggleClass "active" isActiveBehavior
-- | <> toggleClass "selected" isSelectedBehavior
-- | ```
toggleClass :: String -> Behavior Boolean -> ClassDescription
toggleClass = runFn2 _toggleClass
foreign import _toggleClass :: Fn2 String (Behavior Boolean) ClassDescription
-- | Class descriptions form a semigroup. This makes it convenient to combine
-- | several types of description and add them to the same element.
-- |
-- | ```purescript
-- | E.div { classes: staticClass "foo"
-- | <> dynamicClass beh
-- | <> toggleClass "selected" isSelected
-- | }
-- | ```
derive newtype instance semigroupClassDescription :: Semigroup ClassDescription
-- Elements
-- | This type describes the attributes that all HTML elements accepts.
type Attributes' r =
( class :: Behavior String
, classes :: ClassDescription
, id :: Behavior String
| r
)
type Attributes = Attributes' ()
-- | This type describes the output that all HTML elements output.
type Output' r =
( click :: Stream MouseEvent
, dblclick :: Stream MouseEvent
, keydown :: Stream KeyboardEvent
, keyup :: Stream KeyboardEvent
, blur :: Stream FocusEvent
| r
)
type Output = Record (Output' ())
-- This type is not really accurate. But, it is much simpler than an accurate
-- type and this "simplification" does not leak out into the API.
foreign import processAttributes :: forall r. Record r -> Record r
div :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
div = runFn2 _div <<< processAttributes
foreign import _div :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
ul :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
ul = runFn2 _ul <<< processAttributes
foreign import _ul :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
li :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
li = runFn2 _li <<< processAttributes
foreign import _li :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
span :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
span = runFn2 _span <<< processAttributes
foreign import _span :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
p :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
p = runFn2 _p <<< processAttributes
foreign import _p :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
h1 :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
h1 = runFn2 _h1 <<< processAttributes
foreign import _h1 :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
h2 :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
h2 = runFn2 _h2 <<< processAttributes
foreign import _h2 :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
h3 :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
h3 = runFn2 _h3 <<< processAttributes
foreign import _h3 :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
h4 :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
h4 = runFn2 _h4 <<< processAttributes
foreign import _h4 :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
h5 :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
h5 = runFn2 _h5 <<< processAttributes
foreign import _h5 :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
h6 :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
h6 = runFn2 _h6 <<< processAttributes
foreign import _h6 :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
label :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
label = runFn2 _label <<< processAttributes
foreign import _label :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
section :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
section = runFn2 _section <<< processAttributes
foreign import _section :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
header :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
header = runFn2 _header <<< processAttributes
foreign import _header :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
footer :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
footer = runFn2 _footer <<< processAttributes
foreign import _footer :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
type ButtonOut = { click :: Stream Unit }
button :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component ButtonOut o
button = runFn2 _button <<< processAttributes
foreign import _button :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component ButtonOut o)
a :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
a = runFn2 _a <<< processAttributes
foreign import _a :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
type InputAttrs' r =
( placeholder :: Behavior String
, type :: Behavior String
, value :: Behavior String
, autofocus :: Behavior Boolean
| Attributes' + r
)
type InputAttrs = InputAttrs' ()
type InputOut' r =
( value :: Behavior String
, input :: Stream InputEvent
, keyup :: Stream KeyboardEvent
| Output' + r
)
type InputOut = Record (InputOut' ())
input :: forall r. Subrow r InputAttrs => Record r -> Component InputOut {}
input = runFn1 _input <<< processAttributes
foreign import _input :: forall r. Subrow r InputAttrs => Fn1 (Record r) (Component InputOut {})
type InputRangeAttrs' r =
( min :: Behavior Number
, max :: Behavior Number
| InputAttrs' + r
)
type InputRangeOut' r =
( value :: Behavior Number
| InputOut' + r
)
type InputRangeOut = Record (InputRangeOut' ())
-- | An input element with the `type` attribute set to `range`. Compared to a
-- | normal a normal input element this variant accepts three additional
-- | attributes all of which are numbers: `max`, `min`, and `step`. Additionally
-- | the `value` output is a `Number` and not a `String`.
inputRange :: forall r. Subrow r (InputRangeAttrs' ()) => Record r -> Component { | (InputRangeOut' ()) } {}
inputRange = runFn1 _inputRange <<< processAttributes
foreign import _inputRange :: forall r. Subrow r (InputRangeAttrs' ()) => Fn1 (Record r) (Component ({ | InputRangeOut' ()}) {})
type CheckboxAttrs' r =
( checked :: Behavior Boolean
| Attributes' + r
)
type CheckboxAttrs = CheckboxAttrs' ()
type CheckboxOut' r =
( checked :: Behavior Boolean
, checkedChange :: Stream Boolean
| Output' + r
)
type CheckboxOutput = Record (CheckboxOut' ())
-- | An input element with the `type` attribute set to `checkbox`.
-- |
-- | Most notably a `checkbox` outputs a behavior named `checked` denoting
-- | whether or not the checkbox is currently checked.
checkbox :: forall r. Subrow r CheckboxAttrs => Record r -> Component CheckboxOutput {}
checkbox = runFn1 _checkbox <<< processAttributes
foreign import _checkbox :: forall r. Subrow r CheckboxAttrs => Fn1 (Record r) (Component CheckboxOutput {})
type TextareaAttrs' r =
( rows :: Behavior Int
, cols :: Behavior Int
| InputAttrs' + r
)
type TextareaAttrs = TextareaAttrs' ()
-- | A textarea element. Accepts `rows` and `cols` attributes.
textarea :: forall r. Subrow r TextareaAttrs => Record r -> Component InputOut {}
textarea = runFn1 _textarea <<< processAttributes
foreign import _textarea :: forall r. Subrow r TextareaAttrs => Fn1 (Record r) (Component InputOut {})
type ProgressAttrs' r =
( value :: Behavior Number
, max :: Behavior Number
| Attributes' + r
)
type ProgressAttrs = ProgressAttrs' ()
-- | A progress element. At accepts `value` and `max` both of which must be
-- | `Number` valued.
progress :: forall r a o. Subrow r ProgressAttrs => Record r -> Component a o -> Component Output o
progress = runFn2 _progress <<< processAttributes
foreign import _progress :: forall r a o. Subrow r ProgressAttrs => Fn2 (Record r) (Component a o) (Component Output o)
-- | Creates a static text node based on the given string.
-- |
-- | For a dynamic version see [`textB`](#v:textB).
text :: String -> Component Unit {}
text = _text
foreign import _text :: String -> Component Unit {}
-- | Creates a dynamic text node based on the given string valued behavior. The
-- | value of the text node is always equal to the value of the behavior.
textB :: Behavior String -> Component Unit {}
textB = _textB
foreign import _textB :: Behavior String -> Component Unit {}
table :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
table = runFn2 _table <<< processAttributes
foreign import _table :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
th :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
th = runFn2 _th <<< processAttributes
foreign import _th :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
tr :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
tr = runFn2 _tr <<< processAttributes
foreign import _tr :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
td :: forall r a o. Subrow r Attributes => Record r -> Component a o -> Component Output o
td = runFn2 _td <<< processAttributes
foreign import _td :: forall r a o. Subrow r Attributes => Fn2 (Record r) (Component a o) (Component Output o)
-- | A `br` element. Note that this is a constant and not a function since a
-- | `br` elements takes neither attributes nor children.
foreign import br :: Component Unit {}
-- | An empty component corresponding to no HTML nor effects.
foreign import empty :: Component Unit {}