feat: show rating

lib/documents.ts

@@ -1,6 +1,9 @@
 import { unified } from "npm:unified";
 import remarkParse from "npm:remark-parse";
 import remarkFrontmatter from "https://esm.sh/remark-frontmatter@4";
+import remarkRehype from "https://esm.sh/remark-rehype";
+import rehypeSanitize from "https://esm.sh/rehype-sanitize";
+import rehypeStringify from "https://esm.sh/rehype-stringify";
 import { parse } from "https://deno.land/std@0.194.0/yaml/mod.ts";
 import * as cache from "@lib/cache/documents.ts";
 
@@ -53,6 +56,17 @@ export function parseDocument(doc: string) {
     .parse(doc);
 }
 
+export function renderMarkdown(doc: string) {
+  const out = unified()
+    .use(remarkParse)
+    .use(remarkRehype)
+    .use(rehypeSanitize)
+    .use(rehypeStringify)
+    .processSync(doc);
+
+  return String(out);
+}
+
 export type ParsedDocument = ReturnType<typeof parseDocument>;
 export type DocumentChild = ParsedDocument["children"][number];