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prism.ts
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prism.ts
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// leave space, so organize imports doesn't mess up comments
// @ts-expect-error Cannot find module 'astro/runtime/server/index.js' or its corresponding type declarations.
import { unescapeHTML } from 'astro/runtime/server/index.js';
import { runHighlighterWithAstro } from '@astrojs/prism/dist/highlighter';
import { Markdoc, type AstroMarkdocConfig } 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>`
);
},
},
},
};
}