@nuxtjs/mdc/dist/runtime/highlighter/event-handler.js

Nuxt MDC module

import { eventHandler, getQuery } from "h3";
export default eventHandler(async (event) => {
  const { code, lang, theme: themeString, options: optionsStr } = getQuery(event);
  const theme = JSON.parse(themeString);
  const options = optionsStr ? JSON.parse(optionsStr) : {};
  const highlighter = await import("#mdc-highlighter").then((m) => m.default);
  return await highlighter(code, lang, theme, options);
});