Function withDecaying

src/index.tsx:249–293

(
  drag: Animated.Node<number>,
  state: Animated.Node<number>,
  decayClock: Animated.Clock,
  velocity: Animated.Node<number>,
  prevent: Animated.Value<number>
)

}

function withDecaying(
  drag: Animated.Node<number>,
  state: Animated.Node<number>,
  decayClock: Animated.Clock,
  velocity: Animated.Node<number>,
  prevent: Animated.Value<number>
) {
  const valDecayed = new Value(0)
  const offset = new Value(0)
  // since there might be moar than one clock
  const wasStartedFromBegin = new Value(0)
  return block([
    cond(
      eq(state, GestureState.END),
      [
        cond(
          prevent,
          stopClock(decayClock),
          set(
            valDecayed,
            runDecay(
              decayClock,
              add(drag, offset),
              velocity,
              wasStartedFromBegin
            )
          )
        ),
      ],
      [
        stopClock(decayClock),
        cond(eq(state, GestureState.BEGAN), set(prevent, 0)),
        cond(
          or(eq(state, GestureState.BEGAN), eq(state, GestureState.ACTIVE)),
          set(wasStartedFromBegin, 0)
        ),
        cond(eq(state, GestureState.BEGAN), [
          set(offset, sub(valDecayed, drag)),
        ]),
        set(valDecayed, add(drag, offset)),
      ]
    ),
    valDecayed,
  ])
}

export default class BottomSheetBehavior extends React.Component<Props, State> {
  static defaultProps = {