var fs = require('fs')
var browserify = require('browserify')
var b = browserify({
  basedir: __dirname + '/files',
  cache: {},
  packageCache: {},
  entries: './main.js',
})
b.plugin(__dirname + '/../', { entryGlob: 'main*.js' })
b.on('update', bundle)
bundle()
function bundle() {
  console.log('UPDATE')
  b.bundle().pipe(fs.createWriteStream('bundle.js'))
}

var vfs = require('vinyl-fs')
var del = require('del')
var browserify = require('browserify')
var through = require('through2')
var b = browserify({
  basedir: __dirname + '/files',
  cache: {},
  packageCache: {},
  entries: './main.js',
})
b.plugin(__dirname + '/../', { entryGlob: 'main*.js' })
b.plugin(dedupify)
b.plugin('common-bundle', { groups: '**/main*.js' })
b.on('update', bundle)
bundle()
function bundle() {
  console.log('UPDATE')
  var build = __dirname + '/build'
  del(build)
  b.bundle().pipe(vfs.dest(build))
}
function dedupify(b) {
  var undef
  b.on('reset', hook)
  hook()
  function hook() {
    b.pipeline.get('dedupe').unshift(through.obj(function (row, enc, next) {
      if (row.entry && row.dedupe) {
        row.dedupe = undef
        row.dedupeIndex = undef
      }
      next(null, row)
    }))
  }
}