1 files changed, 21 insertions, 0 deletions
diff --git a/packages/integrations/markdoc/src/extensions/prism.ts b/packages/integrations/markdoc/src/extensions/prism.ts
new file mode 100644
index 000000000..721564871
--- /dev/null
+++ b/packages/integrations/markdoc/src/extensions/prism.ts
@@ -0,0 +1,21 @@
+import { runHighlighterWithAstro } from '@astrojs/prism/dist/highlighter';
+import { unescapeHTML } from 'astro/runtime/server/index.js';
+import { type AstroMarkdocConfig, Markdoc } from '../config.js';
+
+export default function prism(): AstroMarkdocConfig {
+	return {
+		nodes: {
+			fence: {
+				attributes: Markdoc.nodes.fence.attributes!,
+				transform({ attributes: { language, content } }) {
+					const { html, classLanguage } = runHighlighterWithAstro(language, content);
+
+					// Use `unescapeHTML` to return `HTMLString` for Astro renderer to inline as HTML
+					return unescapeHTML(
+						`<pre class="${classLanguage}"><code class="${classLanguage}">${html}</code></pre>`,
+					) as any;
+				},
+			},
+		},
+	};
+}