Upgrade Astro and Astro Paper to v5

src/utils/generateOgImages.ts

@@ -0,0 +1,20 @@
+import { Resvg } from "@resvg/resvg-js";
+import { type CollectionEntry } from "astro:content";
+import postOgImage from "./og-templates/post";
+import siteOgImage from "./og-templates/site";
+
+function svgBufferToPngBuffer(svg: string) {
+  const resvg = new Resvg(svg);
+  const pngData = resvg.render();
+  return pngData.asPng();
+}
+
+export async function generateOgImageForPost(post: CollectionEntry<"blog">) {
+  const svg = await postOgImage(post);
+  return svgBufferToPngBuffer(svg);
+}
+
+export async function generateOgImageForSite() {
+  const svg = await siteOgImage();
+  return svgBufferToPngBuffer(svg);
+}