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

gulp.task('penthouse', ['styles'], function () {
  penthouse({
    url: '%WEBPAGE_URL%',
    css: '%LOCAL_CSS_FILE%',
    width: 480,
    height: 800
  }, function (err, critical) {
    if (err) {
      throw err;
    }
    var clean = new cleanCSS().minify(critical);
    fs.writeFile('%CRP_HTML_FILE_INCLUDED_IN_HEAD%', '<style>' + clean.styles + '</style>');
  });
});