text: import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
  import ResizeObserver from 'resize-observer-polyfill';
  import contains from "rc-util/es/Dom/contains";
  export function isSamePoint(prev, next) {
    if (prev === next) return true;
    if (!prev || !next) return false;
  
    if ('pageX' in next && 'pageY' in next) {
      return prev.pageX === next.pageX && prev.pageY === next.pageY;
    }
  
    if ('clientX' in next && 'clientY' in next) {
      return prev.clientX === next.clientX && prev.clientY === next.clientY;
    }
  
    return false;
  }
  export function restoreFocus(activeElement, container) {
    // Focus back if is in the container
    if (activeElement !== document.activeElement && contains(container, activeElement) && typeof activeElement.focus === 'function') {
      activeElement.focus();
    }
  }
  export function monitorResize(element, callback) {
    var prevWidth = null;
    var prevHeight = null;
  
    function onResize(_ref) {
      var _ref2 = _slicedToArray(_ref, 1),
          target = _ref2[0].target;
  
      if (!document.contains(target)) return;
  
      var _target$getBoundingCl = target.getBoundingClientRect(),
          width = _target$getBoundingCl.width,
          height = _target$getBoundingCl.height;
  
      var fixedWidth = Math.floor(width);
      var fixedHeight = Math.floor(height);
  
      if (prevWidth !== fixedWidth || prevHeight !== fixedHeight) {
        // https://webkit.org/blog/9997/resizeobserver-in-webkit/
        requestAnimationFrame(function () {
          callback({
            width: fixedWidth,
            height: fixedHeight
          });
        });
      }
  
      prevWidth = fixedWidth;
      prevHeight = fixedHeight;
    }
  
    var resizeObserver = new ResizeObserver(onResize);
  
    if (element) {
      resizeObserver.observe(element);
    }
  
    return function () {
      resizeObserver.disconnect();
    };
  }