@mashakujou/autofix-cli/lib/corrector.js

Autocorrector inteligente para comandos mal escritos en terminal

import leven from 'leven';
import { execSync } from 'child_process';
import readline from 'readline';

const knownCommands = [
  'cd', 'ls', 'cat', 'touch', 'node', 'npm', 'npx', 'git', 'python',
  'python3', 'bash', 'sh', 'clear', 'micro', 'neofetch', 'curl', 'wget', 'mkdir',
  'rmdir', 'rm', 'mv', 'cp', 'exit', 'whoami', 'top', 'ps', 'kill', 'ifconfig',
  'ping', 'chmod', 'chown', 'su', 'sudo', 'apt', 'pkg', 'termux-setup-storage',
  'service', 'systemctl', 'passwd', 'nano', 'vim', 'scp', 'ssh', 'zip', 'unzip'
];

const protected = ['type', 'exit', 'alias', 'source'];

function askConfirm(question) {
  return new Promise(resolve => {
    const rl = readline.createInterface({
      input: process.stdin,
      output: process.stdout
    });
    rl.question(question, answer => {
      rl.close();
      resolve(answer.trim().toLowerCase());
    });
  });
}

export async function fixCommand(input) {
  if (!input.trim()) return;

  const [cmd, ...args] = input.trim().split(/\s+/);

  if (protected.includes(cmd)) {
    console.log(`No se corregirá el comando protegido: "${cmd}"`);
    return;
  }

  const bestMatch = knownCommands
    .map(k => ({ cmd: k, dist: leven(cmd, k) }))
    .sort((a, b) => a.dist - b.dist)[0];

  const suggestion = bestMatch?.dist <= 2 && bestMatch.cmd !== cmd
    ? `${bestMatch.cmd} ${args.join(' ')}`
    : input;

  if (suggestion !== input) {
    console.log(`?? Sugerencia: ${cmd} → ${bestMatch.cmd}`);
    const confirm = await askConfirm('¿Deseas ejecutar el comando corregido? (s/n): ');
    if (confirm !== 's') {
      console.log('❌ Comando cancelado.');
      return;
    }
  }

  try {
    execSync(suggestion, { stdio: 'inherit', shell: true });
  } catch (err) {
    console.error(`⚠️ Error al ejecutar: "${suggestion}"`);
  }
}