Gulp, Browserify, Multiple Entry Points

gulpfile.js

'use strict';

var gulp       = require('gulp');
var sass       = require('gulp-sass');
var connect    = require('gulp-connect');
var watch      = require('gulp-watch');
var batch      = require('gulp-batch');
var gutil      = require('gulp-util');
var source     = require('vinyl-source-stream');
var browserify = require('browserify');
var nodemon    = require('gulp-nodemon');
var neat       = require('node-neat').includePaths;
var bourbon    = require('node-bourbon').includePaths;
var concat     = require('gulp-concat');
var uglify     = require('gulp-uglify');
var glob       = require('glob');
var rename     = require('gulp-rename');
var es         = require('event-stream');
var livereload = require('gulp-livereload');

var config = {
  dev: {
    watch: {
      es6: './public/es6/**/*.js'
    },
    sass: './public/sass/**/*.scss',
    es6: './public/es6/bundles/**/*.js',
    js: [''], // order matters, mmk?
    backend: {
      start: 'index.js',
      watch: ['./app/', './index.js']
    },
    views: './app/views/*.jade'
  },
  prod: {
    watch: {
      css: './public/css/**/*.css',
      js: './public/js/**/*.js'
    },
    css: './public/css/',
    html: './',
    js: './public/js/vendor/prod/',
    es6: './public/js/'
  }
};

// livereload start
livereload({start: true});

gulp.task('node', function() {
  nodemon({
    script: config.dev.backend.start,
    watch: config.dev.backend.watch
  });
});

gulp.task('sass', function() {
  gulp.src(config.dev.sass)
    .pipe(sass({
      includePaths: [].concat(bourbon,neat)
    }).on('error', sass.logError))
    .pipe(gulp.dest(config.prod.css))
    .pipe(livereload());
});

gulp.task('es6', function() {
  glob(config.dev.es6, function(err, files) {
    if (err) {
      gutil.log(gutil.colors.red('Glob error:'),err);
    }

    var tasks = files.map(function(entry) {
      return browserify(entry)
          .transform('babelify')
          .bundle()
          .on('error', function(e) {
            gutil.log(gutil.colors.red('Browserify compile error:'),e.message);
          })
          .pipe(source(entry))
          .pipe(rename(entry.split('/')[4].split('.')[0] + '.bundle.js'))
          .pipe(gulp.dest(config.prod.es6));
    });

    es.merge(tasks).on('end', function() {
      gutil.log(gutil.colors.blue('Event Stream merge tasks completed.'));
      livereload();
    });
  });
});

gulp.task('js', function() {
  gulp.src(config.dev.js)
    .pipe(concat('vendor.js'))
    .pipe(uglify())
    .pipe(gulp.dest(config.prod.js));
});

gulp.task('watch', function() {
  watch(config.dev.sass, batch(function(events, done) {
    gulp.start('sass', done);
  }));
  watch(config.dev.watch.es6, batch(function(events, done) {
    gulp.start('es6', done);
  }));
});

gulp.task('default', ['sass','es6','js','node','watch']);