Task of gulp to pass ES6 to ES5 with ESLint

.eslintrc.json

{
  "env": {
    "es6": true,
    "browser": true,
    "node": true
  },
  "globals": {
    "jQuery": true,
    "$": true
  },
  "rules": {
    "eqeqeq": "off",
    "arrow-body-style": ["error", "always"],
    "comma-spacing": ["error", { "before": false, "after": true }],
    "indent": ["error", 2],
    "prefer-const": "error",
    "space-infix-ops": ["error"],
    "space-before-function-paren": ["error", { "anonymous": "never", "named": "always" }]
  }
}

gulp_js.js

gulp.task('js:es6', function () {
  return gulp.src(pathFiles.frontend.js + '/modules/**/*.js')
    .pipe(plugins.recursiveConcat({ extname: '.js' })) // concatenate files
    .pipe(plugins.eslint({config: pathFiles.frontend.config + '/.eslintrc.json'}))
    .pipe(plugins.eslint.format())
    .pipe(plugins.eslint.failAfterError())
    .pipe(plugins.iife({ prependSemicolon: false })) // push "use strick" and encompasses the modules
    .pipe(plugins.babel({ presets: ['es2015'] })) / ES6 to ES5
    .pipe(plugins.if(config.PROD, plugins.uglify({
      mangle  : true,
      compress: {
        drop_console: true
      }
    })))
    .pipe(gulp.dest(pathFiles.dest.js + '/modules'))
    .on('end', functions.successHandler);
});