Function isFlickSwipe

src/components/utils/swipe.ts:67–78

(
  velocity: number,
  flickThreshold: number,
  direction: SwipeDirection,
  slideVertically: boolean
)

 * Determines whether a swipe gesture qualifies as a "flick" (fast swipe).
 */
export function isFlickSwipe(
  velocity: number,
  flickThreshold: number,
  direction: SwipeDirection,
  slideVertically: boolean
): boolean {
  const isSwipeUpOrDown = direction === "Up" || direction === "Down";
  const isSwipeLeftOrRight = direction === "Left" || direction === "Right";
  const isLeftRightFlick = velocity > flickThreshold && !isSwipeUpOrDown;
  const isTopDownFlick = velocity > flickThreshold && !isSwipeLeftOrRight;
  return slideVertically ? isTopDownFlick : isLeftRightFlick;
}

/**
 * Computes the target slide index after a swipe ends.