@nuxtjs/mdc/dist/runtime/parser/handlers/html.js

Nuxt MDC module

import { kebabCase } from "scule";
import { getTagName } from "./utils.js";
export default function html(state, node) {
  const tagName = getTagName(node.value);
  if (tagName && /[A-Z]/.test(tagName)) {
    node.value = node.value.replace(tagName, kebabCase(tagName));
  }
  if (state.dangerous || state.options?.allowDangerousHtml) {
    const result = { type: "raw", value: node.value };
    state.patch(node, result);
    return state.applyData(node, result);
  }
  return void 0;
}