fix: fix incorrect sitemap generation (#116)

* fix: sitemap and robots

Remove next-sitemap package and use robots.ts and sitemap.ts

* refactor: final touches

---------

Co-authored-by: Michał <skolakmichal1@gmail.com>

README.md

@@ -29,10 +29,10 @@
 - 🐶 Husky & Lint Staged - Run scripts on your staged files before they are committed
 - 🔹 Icons - From Lucide
 - 🌑 Dark mode - With next-themes
-- 🗺️ Sitemap & robots.txt - With next-sitemap
 - 📝 Commitlint - Lint your git commits
 - 🤖 Github actions - Lint your code on PR
 - ⚙️ T3-env - Manage your environment variables
+- 🗺️ Sitemap & robots.txt
 - 💯 Perfect Lighthouse score
 - 🌐 I18n with Paraglide
 

package.json

@@ -16,7 +16,6 @@
     "test:watch": "jest --watchAll",
     "e2e": "playwright test",
     "e2e:ui": "playwright test --ui",
-    "postbuild": "next-sitemap --config next-sitemap.config.js",
     "prepare": "husky",
     "postinstall": "paraglide-js compile --project ./project.inlang --outdir ./src/paraglide"
   },
@@ -79,7 +78,6 @@
     "jest": "^29.7.0",
     "jest-environment-jsdom": "^29.7.0",
     "lint-staged": "^15.2.7",
-    "next-sitemap": "^4.2.3",
     "postcss": "^8",
     "prettier": "^3.3.2",
     "prisma": "^5.16.1",

src/app/robots.ts

@@ -0,0 +1,13 @@
+import { MetadataRoute } from 'next';
+
+import { env } from '@/env.mjs';
+
+export default function robots(): MetadataRoute.Robots {
+  return {
+    rules: {
+      userAgent: '*',
+      allow: '/',
+    },
+    sitemap: `${env.APP_URL}/sitemap.xml`,
+  };
+}

src/app/sitemap.ts

@@ -0,0 +1,19 @@
+import { MetadataRoute } from 'next';
+
+import { env } from '@/env.mjs';
+
+export default function sitemap(): MetadataRoute.Sitemap {
+  return [
+    {
+      url: env.APP_URL || '/',
+      lastModified: new Date(),
+      changeFrequency: 'yearly',
+      priority: 1,
+      alternates: {
+        languages: {
+          pl: `${env.APP_URL}/pl`,
+        },
+      },
+    },
+  ];
+}