From 6cfb56d4bc0b21d9770c28b4e82c65209cc296b9 Mon Sep 17 00:00:00 2001
From: Luke Vella <me@lukevella.com>
Date: Wed, 2 Oct 2024 17:00:22 +0100
Subject: [PATCH] =?UTF-8?q?=F0=9F=94=8D=EF=B8=8F=20Add=20sitemap=20(#1371)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 apps/landing/src/app/sitemap.ts | 54 +++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 apps/landing/src/app/sitemap.ts

diff --git a/apps/landing/src/app/sitemap.ts b/apps/landing/src/app/sitemap.ts
new file mode 100644
index 000000000..b5155e181
--- /dev/null
+++ b/apps/landing/src/app/sitemap.ts
@@ -0,0 +1,54 @@
+import { supportedLngs } from "@rallly/languages";
+import type { MetadataRoute } from "next";
+
+import { getAllPosts } from "@/lib/api";
+import { absoluteUrl } from "@/utils/absolute-url";
+
+const alternateLanguages = supportedLngs.filter((lng) => lng !== "en");
+
+const getAlternateLanguages = (path: string) => {
+  return alternateLanguages.reduce<Record<string, string>>((acc, locale) => {
+    acc[locale] = absoluteUrl(`/${locale}${path}`);
+    return acc;
+  }, {});
+};
+
+export default async function Sitemap(): Promise<MetadataRoute.Sitemap> {
+  const posts = getAllPosts(["slug"]);
+
+  return [
+    {
+      url: absoluteUrl(),
+      lastModified: new Date(),
+      changeFrequency: "weekly",
+      priority: 1,
+      alternates: {
+        languages: getAlternateLanguages("/"),
+      },
+    },
+    {
+      url: absoluteUrl("/pricing"),
+      lastModified: new Date(),
+      changeFrequency: "weekly",
+      priority: 0.8,
+      alternates: {
+        languages: getAlternateLanguages("/pricing"),
+      },
+    },
+    {
+      url: absoluteUrl("/blog"),
+      lastModified: new Date(),
+      changeFrequency: "weekly",
+      priority: 0.8,
+      alternates: {
+        languages: getAlternateLanguages("/blog"),
+      },
+    },
+    ...posts.map((post) => ({
+      url: absoluteUrl(`/blog/${post.slug}`),
+      lastModified: new Date(), // TODO: Update posts to include a lastModified date
+      changeFrequency: "yearly" as const,
+      priority: 0.7,
+    })),
+  ];
+}