server.js

const express = require('express');
const { createMdIndexer } = require('./index');

const app = express();
const PORT = process.env.PORT || 3000;
const BASE_PATH = process.env.BASE_PATH || '/md-index';
const ROOT_DIR = process.env.ROOT_DIR || process.cwd();

const rootsEnv = (process.env.MD_INDEX_ROOTS || '').split(',').map(s => s.trim()).filter(Boolean);
const ROOT_DIRS = rootsEnv.length ? rootsEnv : [ROOT_DIR];
const ROOT_BASE = process.env.MD_INDEX_ROOT_BASE || (ROOT_DIRS.length > 1 ? '/' : ROOT_DIR);
const WRITE_ROOT = process.env.MD_WRITE_ROOT || ROOT_DIR;

createMdIndexer({
  basePath: BASE_PATH,
  rootDir: ROOT_DIR,
  rootDirs: ROOT_DIRS,
  rootBase: ROOT_BASE,
  writeRoot: WRITE_ROOT
})(app);

app.get('/', (req, res) => res.redirect(BASE_PATH));

app.listen(PORT, () => {
  console.log(`[md-indexer] listening on :${PORT} (roots: ${ROOT_DIRS.join(', ')}, base: ${BASE_PATH})`);
});