feat: enhance SEO for listing and specialty pages, fix search autocomplete issue

lib/specialtyIndexing.test.js

@@ -0,0 +1,27 @@
+import { describe, expect, it } from "vitest";
+import specialtiesData from "@/data/specialties.json";
+import { isCategorySpecialty, isIndexableSpecialty } from "@/lib/specialtyIndexing";
+
+const bySlug = (slug) => specialtiesData.find((item) => item.slug === slug);
+
+describe("isCategorySpecialty", () => {
+  it("والدِ دارای زیرشاخهٔ فعال دسته است → noindex", () => {
+    expect(isCategorySpecialty(bySlug("internal-medicine"))).toBe(true);
+  });
+
+  it("زیرشاخه هرگز دسته نیست → index", () => {
+    expect(isCategorySpecialty(bySlug("gastroenterology"))).toBe(false);
+    expect(isIndexableSpecialty(bySlug("gastroenterology"))).toBe(true);
+  });
+
+  it("والدِ بدون زیرشاخه در عمل برگ است → index", () => {
+    expect(isCategorySpecialty(bySlug("general-practitioner"))).toBe(false);
+    expect(isIndexableSpecialty(bySlug("general-practitioner"))).toBe(true);
+  });
+
+  it("ورودی تهی امن است", () => {
+    expect(isCategorySpecialty(null)).toBe(false);
+    expect(isIndexableSpecialty(null)).toBe(false);
+    expect(isIndexableSpecialty(undefined)).toBe(false);
+  });
+});