message: fix Direction of Behavior.move
diff: @@ -42,9 +42,9 @@ export default class Behavior {
  delta = this.hasScroll ? delta : 0
  this.movingDirection =
  delta > 0
  - ? Direction.Positive // left to right or up to bottom
  + ? Direction.Negative
  : delta < 0
  - ? Direction.Negative // Conversely
  + ? Direction.Positive
  : Direction.Default
  let newPos = this.currentPos + delta
  