feat: refactor whole bunch of stuff

lib/markdown.ts

@@ -0,0 +1,46 @@
+import { render } from "gfm";
+import "https://esm.sh/prismjs@1.29.0/components/prism-typescript?no-check";
+import "https://esm.sh/prismjs@1.29.0/components/prism-bash?no-check";
+import "https://esm.sh/prismjs@1.29.0/components/prism-rust?no-check";
+
+export type Document = {
+  name: string;
+  lastModified: number;
+  contentType: string;
+  content: string | null;
+  size: number;
+  perm: string;
+};
+
+function removeFrontmatter(doc: string) {
+  if (doc.trim().startsWith("---")) {
+    return doc.trim().split("---").filter((s) => s.length).slice(1).join("---");
+  }
+  return doc;
+}
+
+export function removeImage(doc: string, imageUrl?: string) {
+  if (!imageUrl) {
+    return doc;
+  }
+  // Remove image from content
+  const first = doc.slice(0, 500);
+  const second = doc.slice(500);
+
+  // Regex pattern to match the image Markdown syntax with the specific URL
+  const pattern = new RegExp(
+    `!\\[.*?\\]\\(${imageUrl.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")}\\)`,
+    "g",
+  );
+
+  // Remove the matched image
+  const updatedMarkdown = first.replace(pattern, "");
+  return updatedMarkdown + second;
+}
+
+export function renderMarkdown(doc: string) {
+  return render(removeFrontmatter(doc), {
+    baseUrl: "https://max-richter.dev",
+    allowMath: true,
+  });
+}