Simple js gulp task for production environment

jsProductionTask.js

import gulp from 'gulp';
import uglify from 'gulp-uglify';
import babel from 'gulp-babel';
import concat from 'gulp-concat';

const localConfig = {
  src: './src/js/**/*.js',
  dest: './build/js/',
  buildFileName: 'all.js'
};

gulp.task('js:production', () =>
  gulp.src(localConfig.src)
    .pipe(babel())
    .pipe(concat(localConfig.buildFileName))
    .pipe(uglify())
    .pipe(gulp.dest(localConfig.dest))
);

gulp.task('build:production', ['js:production', 'css:production', 'vendor:production']);