text: const fs = require('fs');
  const path = require('path');
  
  const packages = fs.readdirSync(path.join(__dirname, '/node_modules'));
  
  /**
   * dfs
   * @author JieJiSS
   * @returns {void}
   * @param {string} parents
   * @param {string[]} entries
   */
  function dfs(parents, entries) {
    for(let i = 0; i < entries.length; i++) {
      const subpath = path.join(parents, entries[i]);
      if(fs.lstatSync(subpath).isSymbolicLink()) {
        continue;
      } else if(fs.statSync(subpath).isDirectory()) {
        dfs(subpath, fs.readdirSync(subpath));
      } else if(entries[i].endsWith('.js.map')) {
        fs.unlinkSync(path.join(parents, entries[i]));
      }
    }
  }
  
  dfs(path.join(__dirname, '/node_modules'), packages);
  