Quik module size check

var myFileName = 'commercial.js';

var fs = require('fs');
var input = fs.createReadStream(myFileName);

var text = '';

input.on('data', function (data) {
  text += data;
});

input.on('end', function () {
  var defineBlock = /define\(["'][^"']*["']/g;
  var keys = text.match(defineBlock);
  var bodies = text.split(defineBlock);
  bodies.shift();

  var blocks = keys.map(function (key, index) {
    return {
      key : key.split('define(')[1],
      body : bodies[index],
      length : bodies[index].length
    };
  });

  var blocksBySize = blocks.sort(function (a, b) {
    if (a.length > b.length) {
      return 1;
    }
    if (a.length < b.length) {
      return -1;
    }
    return 0;
  }).reverse();

  console.log(blocksBySize.map(function (block) {
    return block.length + ' chars in ' + block.key;
  }).join('\n'));

 });