gulpfile.js

var gulp = require('gulp'),
    pkg = require('./package.json'),
    $ = require('gulp-load-plugins')();
    
var banner = ['/**',
  ' * <%= pkg.name %> - <%= pkg.description %>',
  ' * @version v<%= pkg.version %>',
  ' * @link <%= pkg.homepage %>',
  ' * @license <%= pkg.license %>',
  ' */',
  ''].join('\n');

gulp.task('jshint', function () {
  var stream = gulp.src('./src/*.js')
    .pipe($.jshint({ lookup: true }))
    .pipe($.jshint.reporter($.stylish))
    .pipe($.jshint.reporter('fail'));

  return stream;
});

gulp.task('test', function () {
  var stream = gulp.src('test/runner.html')
    .pipe($.mochaPhantomjs());
  
  return stream;
});

gulp.task('build', ['jshint'], function () {
  // 
  // Uglify and add banner to javascript files
  // 
  gulp.src('./src/*.js')
    .pipe($.header(banner, { pkg: pkg } ))
    .pipe(gulp.dest('./dist/'))
    .pipe($.uglify())
    .pipe($.header(banner, { pkg: pkg } ))
    .pipe($.rename({ suffix: '.min' }))
    .pipe(gulp.dest('./dist/'));

  // 
  // Autoprefix and add banner to css files
  // 
  gulp.src('./src/*.css')
    .pipe($.autoprefixer('last 1 version', '> 1%', 'ie 8', 'ie 7'))
    .pipe($.csscomb('zen'))
    .pipe($.header(banner, { pkg: pkg } ))
    .pipe(gulp.dest('./dist/'));
});

gulp.task('default', ['jshint', 'test', 'build']);

gulp.task('travis', ['jshint', 'test']);

gulp.task('watch', function() {
  gulp.watch(['src/*.js', 'test/test.js'], ['jshint', 'test']);
});