mdxlayer/dist/config/index.js

Transform your MDX content into typed, JSON-powered data with flexible schema validation.

import fs from 'node:fs';
import path from 'node:path';
import { pathToFileURL } from 'node:url';
import { build } from 'esbuild';
import { cache } from '../cache/index.js';
import { cliOutDir } from '../utils/args.js';
import { configPath } from './path.js';

const externalizePackagesPlugin = (configPath2) => ({
  name: "externalize-packages",
  setup: (build2) => {
    const filter = /^[^./]/;
    build2.onResolve({ filter }, (args) => {
      if (args.path.includes(configPath2)) {
        return { external: false, path: args.path };
      }
      return { external: true, path: args.path };
    });
  }
});
const getUserConfig = async () => {
  const newFilename = "compiled-config.js";
  const outfile = path.resolve(
    process.cwd(),
    `${cliOutDir}/cache`,
    newFilename
  );
  const compiledConfig = async () => {
    await build({
      bundle: true,
      entryPoints: [configPath],
      format: "esm",
      logLevel: "silent",
      metafile: true,
      outfile,
      platform: "node",
      plugins: [externalizePackagesPlugin(configPath)],
      sourcemap: true
    });
  };
  let isChanged = false;
  const exists = fs.existsSync(outfile);
  if (exists) {
    const content = fs.readFileSync(outfile, "utf8");
    isChanged = cache.changed(content, newFilename);
  }
  if (isChanged || !exists) await compiledConfig();
  const configModule = await import(`${pathToFileURL(outfile).href}?t=${Date.now()}`);
  return { ...configModule.default, changed: isChanged };
};
const defineConfig = (config) => config;

export { defineConfig, getUserConfig };