Penthouse - gulp

penthouse-gulp.js

var penthouse = require('penthouse');
var fs = require('fs');
var cleanCSS = require('clean-css');

gulp.task('penthouse', ['styles'], function () {
   penthouse({
       url: ['http://chadwicks.dev'],
       css: 'assets/css/application.css',
       width: 480,
       height: 800
   }, function (err, critical) {
       var clean = new cleanCSS().minify(critical);
       fs.writeFile('admin/templates/default_site/layouts.group/critical.html', '<style>' + clean + '</style>');
   });
});