message: [bugfix] Swipe: add defensive code
diff: @@ -220,9 +220,13 @@ export default create({
  return;
  }
  + if (swipes[0]) {
  swipes[0].offset = atLast && (delta < 0 || move > 0) ? trackSize : 0;
  - swipes[count - 1].offset =
  - atFirst && (delta > 0 || move < 0) ? -trackSize : 0;
  + }
  +
  + if (swipes[count - 1]) {
  + swipes[count - 1].offset = atFirst && (delta > 0 || move < 0) ? -trackSize : 0;
  + }
  if (move && active + move >= -1 && active + move <= count) {
  this.active += move;
  