InternshipProject/node_modules/antd/es/_util/motion.js

// ================== Collapse Motion ==================
var getCollapsedHeight = function getCollapsedHeight() {
  return {
    height: 0,
    opacity: 0
  };
};

var getRealHeight = function getRealHeight(node) {
  var scrollHeight = node.scrollHeight;
  return {
    height: scrollHeight,
    opacity: 1
  };
};

var getCurrentHeight = function getCurrentHeight(node) {
  return {
    height: node ? node.offsetHeight : 0
  };
};

var skipOpacityTransition = function skipOpacityTransition(_, event) {
  return (event === null || event === void 0 ? void 0 : event.deadline) === true || event.propertyName === 'height';
};

var collapseMotion = {
  motionName: 'ant-motion-collapse',
  onAppearStart: getCollapsedHeight,
  onEnterStart: getCollapsedHeight,
  onAppearActive: getRealHeight,
  onEnterActive: getRealHeight,
  onLeaveStart: getCurrentHeight,
  onLeaveActive: getCollapsedHeight,
  onAppearEnd: skipOpacityTransition,
  onEnterEnd: skipOpacityTransition,
  onLeaveEnd: skipOpacityTransition,
  motionDeadline: 500
};

var getTransitionName = function getTransitionName(rootPrefixCls, motion, transitionName) {
  if (transitionName !== undefined) {
    return transitionName;
  }

  return "".concat(rootPrefixCls, "-").concat(motion);
};

export { getTransitionName };
export default collapseMotion;