fixes

src/components/util/Date.astro

@@ -1,8 +1,10 @@
 ---
+import { formattedDate, isoDate } from '~/lib/date';
 export interface Props {
-  date: string | Date;
+  date: Date;
   showTime?: boolean;
 }
+
 const { date, showTime = false } = Astro.props;
 
 if (!date) {
@@ -10,16 +12,6 @@ if (!date) {
   return null;
 }
 
-const dateObj = typeof date === "string" ? new globalThis.Date(date) : date;
-const options: Intl.DateTimeFormatOptions = { year: "numeric", month: "long", day: "numeric" };
-
-if (showTime) {
-  options.hour = "2-digit";
-  options.minute = "2-digit";
-}
-
-const formattedDate = dateObj.toLocaleString("en-GB", options);
-const isoDate = dateObj.toISOString();
 ---
 
-<time datetime={isoDate}>{formattedDate}</time>
+<time datetime={isoDate(date)}>{formattedDate(date, showTime)}</time>

src/lib/date.ts

@@ -0,0 +1,26 @@
+
+function checkDate(date: Date | string): Date {
+  if (typeof date === Date)
+}
+
+export function formattedDate(date: Date, showTime: boolean): string {
+    const options: Intl.DateTimeFormatOptions = {
+      year: "numeric",
+      month: "long",
+      day: "numeric",
+    };
+
+    if (showTime) {
+      options.hour = "2-digit";
+      options.minute = "2-digit";
+    }
+
+    return date.toLocaleString("en-GB", options);
+}
+
+export function isoDate(date: Date): string {
+    if (isNaN(date.getTime())) {
+        throw new Error("Invalid Date");
+    }
+    return date.toISOString();
+}

src/pages/notes/feed.xml.js

@@ -0,0 +1,40 @@
+import rss from '@astrojs/rss';
+import conf from "~/site.config";
+import { getCollection } from 'astro:content';
+
+import sanitizeHtml from 'sanitize-html';
+import MarkdownIt from 'markdown-it';
+import { formattedDate } from '~/lib/date';
+
+const parser = new MarkdownIt();
+
+export async function GET(context) {
+    const blog = await getCollection('notes');
+    return rss({
+        // `<title>` field in output xml
+        title: conf.site.title,
+        // `<description>` field in output xml
+        description: conf.site.description,
+        // Pull in your project "site" from the endpoint context
+        // https://docs.astro.build/en/reference/api-reference/#site
+        site: context.site,
+        stylesheet: "/feed.xsl",
+        // Array of `<item>`s in output xml
+        // See "Generating items" section for examples using content collections and glob imports
+        items: blog.map((post) => ({
+            title: post.data.title || `A note from ${formattedDate(post.data.date)}`,
+            pubDate: post.data.date,
+            description: post.data.description,
+            // Compute RSS link from post `id`
+            // This example assumes all posts are rendered as `/blog/[id]` routes
+            link: `/notes/${post.id}/`,
+            trailingSlash: false,
+            content: sanitizeHtml(parser.render(post.body), {
+                allowedTags: sanitizeHtml.defaults.allowedTags.concat(['img'])
+            }),
+            ...post.data,
+        })),
+        // (optional) inject custom xml
+        customData: `<language>en-gb</language>`,
+    });
+}