Revert "site: remove legacy code for hash jump (ant-design#44836)"

This reverts commit 72da267.

.dumi/theme/layouts/DocLayout/index.tsx

@@ -1,7 +1,7 @@
 import classNames from 'classnames';
 import dayjs from 'dayjs';
 import 'dayjs/locale/zh-cn';
-import { Helmet, useOutlet } from 'dumi';
+import { Helmet, useOutlet, useSiteData } from 'dumi';
 import React, { useContext, useEffect, useLayoutEffect, useMemo, useRef } from 'react';
 import zhCN from 'antd/es/locale/zh_CN';
 import ConfigProvider from 'antd/es/config-provider';
@@ -30,10 +30,11 @@ const locales = {
 const DocLayout: React.FC = () => {
   const outlet = useOutlet();
   const location = useLocation();
-  const { pathname, search } = location;
+  const { pathname, search, hash } = location;
   const [locale, lang] = useLocale(locales);
   const timerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
   const { direction } = useContext(SiteContext);
+  const { loading } = useSiteData();
 
   useLayoutEffect(() => {
     if (lang === 'cn') {
@@ -52,10 +53,20 @@ const DocLayout: React.FC = () => {
     }
   }, []);
 
+  // handle hash change or visit page hash from Link component, and jump after async chunk loaded
   useEffect(() => {
+    const id = hash.replace('#', '');
+
+    if (id) document.getElementById(decodeURIComponent(id))?.scrollIntoView();
+  }, [loading, hash]);
+
+  React.useEffect(() => {
     if (typeof (window as any).ga !== 'undefined') {
       (window as any).ga('send', 'pageview', pathname + search);
     }
+    if (typeof (window as any)._hmt !== 'undefined') {
+      (window as any)._hmt.push(['_trackPageview', pathname + search]);
+    }
   }, [location]);
 
   const content = useMemo(() => {