docs：更新文档

node_modules/vitepress/dist/client/theme-default/components/SideBarItem.js

@@ -0,0 +1,61 @@
+import { useRoute, useSiteData } from 'vitepress';
+import { h } from 'vue';
+import { joinUrl, isActive } from '../utils';
+export const SideBarItem = (props) => {
+    const { item: { link: relLink, text, children } } = props;
+    const route = useRoute();
+    const siteData = useSiteData();
+    const link = resolveLink(siteData.value.base, relLink || '');
+    const active = isActive(route, link);
+    const headers = route.data.headers;
+    const childItems = createChildren(active, children, headers);
+    return h('li', { class: 'sidebar-item' }, [
+        h(link ? 'a' : 'p', {
+            class: { 'sidebar-link': true, active },
+            href: link
+        }, text),
+        childItems
+    ]);
+};
+function resolveLink(base, path) {
+    return path
+        ? // keep relative hash to the same page
+            path.startsWith('#')
+                ? path
+                : joinUrl(base, path)
+        : undefined;
+}
+function createChildren(active, children, headers) {
+    if (children && children.length > 0) {
+        return h('ul', { class: 'sidebar-items' }, children.map((c) => {
+            return h(SideBarItem, { item: c });
+        }));
+    }
+    return active && headers
+        ? createChildren(false, resolveHeaders(headers))
+        : null;
+}
+function resolveHeaders(headers) {
+    return mapHeaders(groupHeaders(headers));
+}
+function groupHeaders(headers) {
+    headers = headers.map((h) => Object.assign({}, h));
+    let lastH2;
+    headers.forEach((h) => {
+        if (h.level === 2) {
+            lastH2 = h;
+        }
+        else if (lastH2) {
+            ;
+            (lastH2.children || (lastH2.children = [])).push(h);
+        }
+    });
+    return headers.filter((h) => h.level === 2);
+}
+function mapHeaders(headers) {
+    return headers.map((header) => ({
+        text: header.title,
+        link: `#${header.slug}`,
+        children: header.children ? mapHeaders(header.children) : undefined
+    }));
+}