Function prevent

packages/core/src/utils/ColorPicker.ts:1111–1119

(e)

    duringDragEvents['touchend mouseup'] = stop;

    function prevent(e) {
      if (e.stopPropagation) {
        e.stopPropagation();
      }
      if (e.preventDefault) {
        e.preventDefault();
      }
      e.returnValue = false;
    }

    function move(e) {
      if (dragging) {