Function onMove

packages/react-aria/src/slider/useSlider.ts:85–107

({deltaX, deltaY})

      currentPosition.current = null;
    },
    onMove({deltaX, deltaY}) {
      if (!trackRef.current) {
        return;
      }
      let {height, width} = trackRef.current.getBoundingClientRect();
      let size = isVertical ? height : width;

      if (currentPosition.current == null && realTimeTrackDraggingIndex.current != null) {
        currentPosition.current = state.getThumbPercent(realTimeTrackDraggingIndex.current) * size;
      }

      let delta = isVertical ? deltaY : deltaX;
      if (isVertical || reverseX) {
        delta = -delta;
      }

      currentPosition.current! += delta;

      if (realTimeTrackDraggingIndex.current != null && trackRef.current) {
        const percent = clamp(currentPosition.current! / size, 0, 1);
        state.setThumbPercent(realTimeTrackDraggingIndex.current, percent);
      }
    },
    onMoveEnd() {
      if (realTimeTrackDraggingIndex.current != null) {
        state.setThumbDragging(realTimeTrackDraggingIndex.current, false);