gulpfile.js

'use strict';

const del = require('del');
const gulp = require('gulp');
const rollup = require('gulp-rollup');
const babel = require('gulp-babel');
const handleErrors = require('./utils/handleErrors');

const src = './src';
const dist = './dist';
const distJsPath = dist;

gulp.task('default', [ 'clean', 'es6', 'es6:watch' ]);

// Delete the dist directory
gulp.task('clean', function() { return del([ dist + '/*' ]); });

gulp.task('es6', function() {
  gulp.src([ src + '/index.js' ])
      .pipe(rollup({format : 'cjs'}).on('error', handleErrors))
      .pipe(babel().on('error', handleErrors))
      .pipe(gulp.dest(distJsPath))
});

gulp.task('es6:watch', function() { gulp.watch(src + '/**/*.js', [ 'es6' ]); });