'use strict'; const fs = require('node:fs'); const http = require('node:http'); const cache = new Map(); const lib = './lib/'; const cacheFile = (path) => { const filePath = lib + path; try { const libPath = require.resolve(filePath); delete require.cache[libPath]; } catch (e) { return; } try { const mod = require(filePath); cache.set(path, mod); } catch (e) { cache.delete(path); } }; const cacheFolder = (path) => { fs.readdir(path, (err, files) => { if (err) return; files.forEach(cacheFile); }); }; const watch = (path) => { fs.watch(path, (event, file) => { cacheFile(file); }); }; cacheFolder(lib); watch(lib); const ls = (res, list) => { res.write(''); for (const name of list) { res.write(`
  • ${name}
    • `); } res.end(''); }; http.createServer((req, res) => { const url = req.url.substring(1); if (!url) return ls(res, cache.keys()); const [mod, method] = url.split('/'); const methods = cache.get(mod); if (methods) { if (!method) return ls(res, Object.keys(methods)); const handler = methods[method]; if (handler) { res.end(handler().toString()); return; } } res.end('File ' + url + 'not found'); }).listen(8000);