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

Nuxt MDC module

import { detab } from "detab";
import { parseThematicBlock } from "./utils.js";
export default (state, node) => {
  const lang = (node.lang || "") + " " + (node.meta || "");
  const { language = "text", highlights, filename, meta } = parseThematicBlock(lang);
  const value = node.value ? detab(node.value + "\n") : "";
  let result = {
    type: "element",
    tagName: "code",
    properties: { __ignoreMap: "" },
    children: [{ type: "text", value }]
  };
  if (meta) {
    result.data = {
      meta
    };
  }
  state.patch(node, result);
  result = state.applyData(node, result);
  const properties = {
    language: language || "text",
    filename,
    highlights,
    meta,
    code: value
  };
  if (language) {
    properties.className = ["language-" + language];
  }
  result = { type: "element", tagName: "pre", properties, children: [result] };
  state.patch(node, result);
  return result;
};