add rss

Author: rayepeng

astro.config.mjs

@@ -28,7 +28,7 @@ import { pluginCustomCopyButton } from "./src/plugins/expressive-code/custom-cop
 export default defineConfig({
 	site: "https://raye.ink/",
 	base: "/",
-	trailingSlash: "always",
+	trailingSlash: "ignore",
 	integrations: [
 		tailwind({
 			nesting: true,

src/pages/feed.ts

@@ -0,0 +1,42 @@
+import rss from "@astrojs/rss";
+import { getSortedPosts } from "@utils/content-utils";
+import { url } from "@utils/url-utils";
+import type { APIContext } from "astro";
+import MarkdownIt from "markdown-it";
+import sanitizeHtml from "sanitize-html";
+import { siteConfig } from "@/config";
+
+const parser = new MarkdownIt();
+
+function stripInvalidXmlChars(str: string): string {
+	return str.replace(
+		// biome-ignore lint/suspicious/noControlCharactersInRegex: https://www.w3.org/TR/xml/#charsets
+		/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]/g,
+		"",
+	);
+}
+
+export async function GET(context: APIContext) {
+	const blog = await getSortedPosts();
+
+	return rss({
+		title: siteConfig.title,
+		description: siteConfig.subtitle || "No description",
+		site: context.site ?? "https://fuwari.vercel.app",
+		items: blog.map((post) => {
+			const content =
+				typeof post.body === "string" ? post.body : String(post.body || "");
+			const cleanedContent = stripInvalidXmlChars(content);
+			return {
+				title: post.data.title,
+				pubDate: post.data.published,
+				description: post.data.description || "",
+				link: url(`/posts/${post.slug}/`),
+				content: sanitizeHtml(parser.render(cleanedContent), {
+					allowedTags: sanitizeHtml.defaults.allowedTags.concat(["img"]),
+				}),
+			};
+		}),
+		customData: `<language>${siteConfig.lang}</language>`,
+	});
+}