feat: provide sitemap

closes #287

scripts/createStaticFiles.ts

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
-import { copyFileSync, existsSync, mkdirSync, readFileSync } from "fs";
-
+import { copyFileSync, mkdirSync, existsSync, readFileSync, writeFileSync } from "fs";
+import XmlSitemap from "xml-sitemap";
 import { createRadar } from "./generateJson/radar";
 
 // Do this as the first thing so that any code reading it knows the right env.
@@ -22,6 +22,7 @@ const createStaticFiles = async () => {
   copyFileSync("build/index.html", "build/help-and-about-tech-radar.html");
   const rawConf = readFileSync("build/config.json", "utf-8");
   const config = JSON.parse(rawConf);
+
   Object.keys(config.quadrants).forEach((quadrant) => {
     const destFolder = `build/${quadrant}`;
     copyFileSync("build/index.html", `${destFolder}.html`);
@@ -29,12 +30,22 @@ const createStaticFiles = async () => {
       mkdirSync(destFolder);
     }
   });
+
+  const sitemap = new XmlSitemap();
+
   radar.items.forEach((item) => {
     copyFileSync(
       "build/index.html",
       `build/${item.quadrant}/${item.name}.html`
     );
+
+    sitemap.add(`${process.env.PUBLIC_URL}/${item.quadrant}/${item.name}.html`, {
+      lastmod: 'now',
+      changefreq: 'weekly'
+    });
   });
+
+  writeFileSync("build/sitemap.xml", sitemap.xml);
 };
 
 createStaticFiles()