feat: add filterTOC function for language-specific navigation filtering

- Introduced filterTOC to filter navigation links based on the selected language, specifically blocking certain links for Japanese.
- Updated DocTemplate to utilize filterTOC for improved navigation handling based on language context.

Author: shhdgit

src/shared/filterTOC.ts

@@ -0,0 +1,14 @@
+import { Locale, RepoNav, RepoNavLink } from "./interface";
+
+const BLOCK_NAVS = [
+  "/ja/tidbcloud/set-up-private-endpoint-connections-on-alibaba-cloud",
+];
+
+export const filterTOC = (navs?: RepoNavLink[]): RepoNav => {
+  if (!navs) return [];
+
+  return navs.filter((item) => {
+    item.children = filterTOC(item.children);
+    return !BLOCK_NAVS.includes(item.link || "");
+  });
+};

src/templates/DocTemplate.tsx

@@ -36,6 +36,7 @@ import {
   useCloudPlan,
   useCloudPlanNavigate,
 } from "shared/useCloudPlan";
+import { filterTOC } from "shared/filterTOC";
 
 interface DocTemplateProps {
   pageContext: PageContext & {
@@ -116,11 +117,13 @@ function DocTemplate({
   const essentialNavigation = essentialNav
     ? essentialNav.essentialNavigation
     : [];
-  const navigation = isStarter
-    ? starterNavigation
-    : isEssential
-    ? essentialNavigation
-    : classicNavigation;
+  const navigation = filterTOC(
+    isStarter
+      ? starterNavigation
+      : isEssential
+      ? essentialNavigation
+      : classicNavigation
+  );
 
   const { language } = useI18next();
   const haveStarter = starterNavigation.length > 0;