Initial commit

src/lib/userLevel.ts

@@ -0,0 +1,34 @@
+export const USER_LEVELS = {
+  NEW: "تازه وارد",
+  STANDARD: "استاندارد",
+  PRO: "حرفه‌ای",
+  MASTER: "استاد",
+} as const;
+
+/** Normalize level from URL slug or query (handles ZWNJ / spacing variants). */
+export function normalizeUserLevel(raw?: string | null): string {
+  if (!raw) return "";
+
+  const text = raw.trim().replace(/\u200c/g, "").replace(/\s+/g, " ");
+
+  if (text === USER_LEVELS.NEW) return USER_LEVELS.NEW;
+  if (text === USER_LEVELS.STANDARD) return USER_LEVELS.STANDARD;
+  if (text === USER_LEVELS.MASTER) return USER_LEVELS.MASTER;
+  if (text === USER_LEVELS.PRO || text === "حرفه ای") return USER_LEVELS.PRO;
+
+  return raw.trim();
+}
+
+/** Extract user level token from Persian SEO slug text. */
+export function parseUserLevelFromSlug(fullText: string): string {
+  const text = fullText.replace(/\u200c/g, " ");
+
+  if (text.includes(USER_LEVELS.NEW)) return USER_LEVELS.NEW;
+  if (text.includes(USER_LEVELS.STANDARD)) return USER_LEVELS.STANDARD;
+  if (text.includes(USER_LEVELS.MASTER)) return USER_LEVELS.MASTER;
+  if (/حرفه[\s\u200c]*ای/.test(text) || text.includes(USER_LEVELS.PRO)) {
+    return USER_LEVELS.PRO;
+  }
+
+  return "";
+}