Function onScroll

packages/parallax/src/index.tsx:303–314

(event: any)

    }

    const onScroll = (event: any) => {
      if (!state.busy) {
        state.busy = true
        state.current = event.target[getScrollType(horizontal)]
        raf.onStart(() => {
          state.layers.forEach(layer =>
            layer.setPosition(state.space, state.current)
          )
          state.busy = false
        })
      }
    }

    useEffect(() => state.update())
    useOnce(() => {