added RSS feed for devlog

src/routes/projects/projectn5/devlog/feed.xml/+server.ts

@@ -0,0 +1,39 @@
+export const prerender = true;
+import { posts, type DevlogPost } from "../posts";
+
+const xml = (tposts: Map<string, DevlogPost>) => `<?xml version="1.0" encoding="UTF-8" ?>
+<rss xmlns:dc="https://purl.org/dc/elements/1.1/" xmlns:content="https://purl.org/rss/1.0/modules/content/" xmlns:atom="https://www.w3.org/2005/Atom" version="2.0">
+<channel>
+	<title>denizk0461</title>
+	<link>https://denizk0461.dev/projects/projectn5/devlog/</link>
+	<description><![CDATA[Development log for the game Homesick by denizk0461]]></description>
+	${getEntries()}
+</channel>
+</rss>`;
+
+function getEntries(): String {
+	var val = "";
+	var entries = posts.entries().map((post, index) => 
+	`<item>
+		<title><![CDATA[${post[1].title}]]></title>
+		<description><![CDATA[${post[1].description}]]></description>
+		<link>https://denizk0461.dev/projects/projectn5/devlog/${post[0]}</link>
+		<guid isPermaLink="true">https://denizk0461.dev/projects/projectn5/devlog/${post[0]}</guid>
+		<pubDate><![CDATA[${new Date(post[1].date)}]]></pubDate>
+	</item>
+	`)
+	entries.forEach(entry => {
+		val += entry;
+	})
+	return val;
+}
+
+// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
+export async function GET() {
+	const headers = {
+		'Cache-Control': 'max-age=0, s-maxage=600',
+		'Content-Type': 'application/xml',
+	};
+	const body = xml(posts);
+	return new Response(body);
+}