Add script to generate sitemap from content slugs

scripts/generate-sitemap.mjs

@@ -0,0 +1,75 @@
+import fs from "fs";
+import path from "path";
+
+function getAllBookSlugs() {
+  const data = JSON.parse(
+    fs.readFileSync(
+      path.join(process.cwd(), "content", "books", "index.json"),
+      "utf8",
+    ),
+  );
+  return data.map((item) => item.slug);
+}
+
+function getAllWritingSlugs() {
+  const data = JSON.parse(
+    fs.readFileSync(
+      path.join(process.cwd(), "content", "writing", "index.json"),
+      "utf8",
+    ),
+  );
+
+  return data.filter((item) => !item.external).map((item) => item.url);
+}
+
+function getAllEngineeringSlugs() {
+  const data = JSON.parse(
+    fs.readFileSync(
+      path.join(process.cwd(), "content", "engineering", "index.json"),
+      "utf8",
+    ),
+  );
+
+  return data.filter((item) => !item.external).map((item) => item.url);
+}
+
+async function main() {
+  const bookSlugs = getAllBookSlugs();
+  const writingSlugs = getAllWritingSlugs();
+  const engineeringSlugs = getAllEngineeringSlugs();
+  const allSlugs = [...bookSlugs, ...writingSlugs, ...engineeringSlugs];
+
+  const sitemap = `<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>https://andwati.xyz</loc>
+  </url>
+  <url>
+    <loc>https://andwati.xyz/writing</loc>
+  </url>
+  <url>
+    <loc>https://andwati.xyz/engineering</loc>
+  </url>
+  <url>
+    <loc>https://andwati.xyz/reading</loc>
+  </url>
+  <url>
+    <loc>https://andwati.xyz/notes</loc>
+  </url>${allSlugs
+    .map((slug) => {
+      return `
+  <url>
+    <loc>${`https://andwati.xyz${slug}`}</loc>
+  </url>`;
+    })
+    .join("")}
+</urlset>`;
+
+  if (fs.existsSync("public/sitemap.xml")) {
+    fs.unlinkSync("public/sitemap.xml");
+  }
+
+  fs.writeFileSync("public/sitemap.xml", sitemap);
+}
+
+main();