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2026-05-25 17:08:18 +08:00
parent df501f6151
commit f1259b71b5
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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useWatch;
+var _useLayoutEffect = _interopRequireDefault(require("@rc-component/util/lib/hooks/useLayoutEffect"));
+var _util = require("../util");
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+function useWatch(open, target, popup, onAlign, onScroll) {
+  (0, _useLayoutEffect.default)(() => {
+    if (open && target && popup) {
+      const targetElement = target;
+      const popupElement = popup;
+      const targetScrollList = (0, _util.collectScroller)(targetElement);
+      const popupScrollList = (0, _util.collectScroller)(popupElement);
+      const win = (0, _util.getWin)(popupElement);
+      const mergedList = new Set([win, ...targetScrollList, ...popupScrollList]);
+      function notifyScroll() {
+        onAlign();
+        onScroll();
+      }
+      mergedList.forEach(scroller => {
+        scroller.addEventListener('scroll', notifyScroll, {
+          passive: true
+        });
+      });
+      win.addEventListener('resize', notifyScroll, {
+        passive: true
+      });
+
+      // First time always do align
+      onAlign();
+      return () => {
+        mergedList.forEach(scroller => {
+          scroller.removeEventListener('scroll', notifyScroll);
+          win.removeEventListener('resize', notifyScroll);
+        });
+      };
+    }
+  }, [open, target, popup]);
+}