astro/components/Prism.astro

---
import Prism from 'prismjs';
import { addAstro } from '../astro-prism/index.mjs';

addAstro(Prism);

export let lang;
export let code;

const grammar = Prism.languages[lang];
let html = Prism.highlight(code, grammar, lang);

let className = `language-${lang}`;
---

<pre class={className}><code class={className}>{html}</code></pre>