code: function scripts (src, dest, watch) {
    var bundleOpts = _.extend({}, watchify.args)
    if (watch) bundleOpts.debug = true
  
    var bundle = browserify(src, bundleOpts)
  
    if (watch) {
      bundle = watchify(bundle)
  
      bundle.on('update', function () { compileBundle(bundle, dest) }) // when a dependency changes, recompile
      bundle.on('log', gutil.log) // output build logs to terminal
    } else {
      bundle.transform({ global: true }, 'uglifyify')
    }
  
    return compileBundle(bundle, dest)
  }
docs: Build scripts and optionally watch for changes