gistfile1.js

#!/usr/bin/env node
 //module.exports = function(){

var http = require("http");
var optimist = require("optimist");
var cheerio = require("cheerio");
var path = require("path");
var uglifyjs = require('uglifyjs');
var uglifycss = require('uglifycss');
var url = require('url');
var Deferred = require("promised-io/promise").Deferred;
var when = require("promised-io/promise");

var argv = require('optimist').argv;

//if (options.minify){
var processJSInput = function processInput(input) {
  return uglifyjs.minify(input, {
    fromString: true
  }).code;
};

var processCSSInput = function processInput(input) {
  return uglifycss.processString(input);
};

// processInput = function processInput(i) {
//   return i;
// };


//   }

var getRessource = function getRessource(url, callback) {
  http.get(url, function(res) {
    var data = "";
    res.on("data", function(chunk) {
      data += chunk;
    });
    res.on("end", function() {
      callback(data, url);
    });
  }).on("error", function() {
    callback(null);
  });
};

var getRessourceP = function getRessourceP(url){

  var deferred = new Deferred();

  http.get(url, function(res) {
    var data = "";
    res.on("data", function(chunk) {
      data += chunk;
    });
    res.on("end", function() {
      deferred.resolve(data);
    });
  }).on("error", function(e) {
    deferred.reject(e);
  });

  return deferred.promise;
};

var processContent = function processContent(data, baseUrl) {
  //var deferred = new Deferred();
  var $ = cheerio.load(data);
  var promises;


  promises = $('link[rel="stylesheet"]').map(function() {
    var _this = $(this);
    var style = _this.attr('href');

    if (!style) {
      return;
    }
    if (style.match(/^\/\//)) {
      return;
    }
    if (url.parse(style).protocol) {
      return;
    }

    style = url.resolve(baseUrl, style);

    return getRessourceP(style).then(function(data) {
        console.log("replacing CSS :");
        _this.replaceWith('<style>' + processCSSInput(data) + '</style>');
      });

    // getRessource(style, function(data) {
    //   //processInput(data);
    //   console.log("replacing CSS :");
    //   _this.replaceWith('<style>' + processCSSInput(data) + '</style>');
    // });
  });

  promises = promises.concat($('script').map(function() {
    var _this = $(this);
    var script = _this.attr('src');
    if (!script) {
      return;
    }
    if (script.match(/^\/\//)) {
      return;
    }
    if (url.parse(script).protocol) {
      return;
    }

    script = url.resolve(baseUrl, script);
    return getRessourceP(script).then(function(data) {
      //processInput(data);
      console.log("replacing JS :");
      _this.replaceWith('<script>' + processJSInput(data) + '</script>');
    });
  }));

  Deferred.all(promises).then(function() {
   console.log($.html());
  })
};


console.log(argv._);

argv._.forEach(function(element) {
  getRessource(element, processContent);
});