Hylograph.Internal.Types

data Datum_

Opaque type representing data bound to D3 elements Used at FFI boundary when the actual data type is erased

data Index_

Opaque type representing array indices in D3 callbacks Int under the hood, but kept opaque to match D3's conventions

Instances

• Eq Index_
• Ord Index_

index_ToInt :: Index_ -> Int

Convert Index_ to Int

index_ToNumber :: Index_ -> Number

Convert Index_ to Number (useful for calculations)

intToIndex_ :: Int -> Index_

Convert Int to Index_

data D3Selection_ t0

Opaque type for D3 selections (v1 style, still used by FFI)

data D3Simulation_

Opaque type for D3 simulations

type Selector :: forall k. k -> Typetype Selector selection = String

CSS selector type - phantom typed but just String underneath

type PointXY = { x :: Number, y :: Number }

Simple 2D point record