tools_auto_web/node_modules/@rc-component/trigger/es/hooks/useWatch.js

import _toConsumableArray from "@babel/runtime/helpers/esm/toConsumableArray";
import useLayoutEffect from "rc-util/es/hooks/useLayoutEffect";
import { collectScroller, getWin } from "../util";
export default function useWatch(open, target, popup, onAlign, onScroll) {
  useLayoutEffect(function () {
    if (open && target && popup) {
      var targetElement = target;
      var popupElement = popup;
      var targetScrollList = collectScroller(targetElement);
      var popupScrollList = collectScroller(popupElement);
      var win = getWin(popupElement);
      var mergedList = new Set([win].concat(_toConsumableArray(targetScrollList), _toConsumableArray(popupScrollList)));
      function notifyScroll() {
        onAlign();
        onScroll();
      }
      mergedList.forEach(function (scroller) {
        scroller.addEventListener('scroll', notifyScroll, {
          passive: true
        });
      });
      win.addEventListener('resize', notifyScroll, {
        passive: true
      });

      // First time always do align
      onAlign();
      return function () {
        mergedList.forEach(function (scroller) {
          scroller.removeEventListener('scroll', notifyScroll);
          win.removeEventListener('resize', notifyScroll);
        });
      };
    }
  }, [open, target, popup]);
}