fix(share): heading and navigation not supporting CJK (closes #6430)

apps/server/src/services/utils.ts

@@ -497,6 +497,14 @@ export function formatSize(size: number | null | undefined) {
     }
 }
 
+export function slugify(text: string) {
+    return text
+        .normalize("NFKD") // handles accents like é → e
+        .toLowerCase()
+        .replace(/[^\p{Letter}\p{Number}]+/gu, "-") // keep Unicode letters/numbers
+        .replace(/(^-|-$)+/g, ""); // trim leading/trailing dashes
+}
+
 export default {
     compareVersions,
     crash,

apps/server/src/share/routes.ts

@@ -14,7 +14,7 @@ import log from "../services/log.js";
 import type SNote from "./shaca/entities/snote.js";
 import type SBranch from "./shaca/entities/sbranch.js";
 import type SAttachment from "./shaca/entities/sattachment.js";
-import utils, { isDev, safeExtractMessageAndStackFromError } from "../services/utils.js";
+import utils, { isDev, safeExtractMessageAndStackFromError, slugify } from "../services/utils.js";
 import options from "../services/options.js";
 import { t } from "i18next";
 import ejs from "ejs";
@@ -175,7 +175,8 @@ function register(router: Router) {
             appPath: isDev ? appPath : `../${appPath}`,
             showLoginInShareTheme,
             t,
-            isDev
+            isDev,
+            slugify
         };
         let useDefaultView = true;