mdxlayer/dist/builder/docs/index-js.js

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

import path from 'node:path';
import { cache } from '../../cache/index.js';
import { transformFile } from '../../utils/transform.js';
import { toIndexDts } from './index-d.js';

const getExpName = (file, docType) => {
  const first = path.dirname(file).split(path.sep)[0];
  const main = first === "." ? "all" : first;
  return `${main}${docType}`;
};
const toIndexMjs = (files, docType) => {
  const isChanged = cache.changed(JSON.stringify(files), "index.js");
  if (isChanged) {
    const exportsMap = {};
    const out = [];
    for (const filePath of files) {
      const filename = filePath.replace(/\.mdx$/, "");
      const impName = filename.replace(/[-.&/]/g, "_");
      const moduleName = `./${docType}/${filename}.json`;
      const expName = getExpName(filePath, docType);
      const esmLine = `import ${impName} from '${moduleName}' assert { type: 'json' }`;
      out.push(esmLine);
      exportsMap[expName] ??= [];
      exportsMap[expName].push(impName);
    }
    Object.entries(exportsMap).forEach(([key, value]) => {
      const joinedValues = value.join(", ");
      const esmLine = `export const ${key} = [${joinedValues}];`;
      out.push(esmLine);
    });
    transformFile({
      doc: out.join("\n"),
      filename: "index.js",
      subpath: "generated"
    });
    toIndexDts(exportsMap, docType);
  }
};

export { toIndexMjs };