Browserify experiment

gulpfile.js

'use strict';

var gulp = require('gulp')
var path = require('path')
var uglify = require('gulp-uglify')
var vinylPaths = require('vinyl-paths');
var del = require('del')

var browserify = require('browserify');
var sourcemaps = require('gulp-sourcemaps');
var gutil = require('gulp-util');

var concat = require('concat-stream');
var file = require('gulp-file');

gulp.task('javascript', function() {

  var b = browserify({
    entries: ['./app/beep.js', './app/boop.js'],
    debug: true
  });


  function write(filepath) {
    return concat(function(content) {
      // create new vinyl file from content and use the basename of the
      // filepath in scope as its basename.
      return file(path.basename(filepath), content, {
          src: true
        })
        // write content to build directory
        .pipe(sourcemaps.init({
          loadMaps: true
        }))
        // Add transformation tasks to the pipeline here.
        //.pipe(uglify())
        .on('error', gutil.log)
        .pipe(sourcemaps.write('./'))
        .pipe(gulp.dest('./dist/'));
    });
  }

  b.plugin('factor-bundle', {
    outputs: [write('beep.bundle.js'), write('boop.bundle.js')]
  });
  return b.bundle().pipe(write('common.bundle.js'));

});