old_contents: /*!
   * Pikaday jQuery plugin.
   *
   * Copyright © 2013 David Bushell | BSD & MIT license | https://github.com/dbushell/Pikaday
   */
  
  (function (root, factory)
  {
      'use strict';
  
      if (typeof define === 'function' && define.amd) {
          // AMD. Register as an anonymous module.
          define(['jquery', 'pikaday'], factory);
      } else {
          // Browser globals
          factory(root.jQuery, root.Pikaday);
      }
  }(this, function ($, Pikaday)
  {
      'use strict';
  
      $.fn.pikaday = function()
      {
          var args = arguments;
  
          if (!args || !args.length) {
              args = [{ }];
          }
  
          return this.each(function()
          {
              var self   = $(this),
                  plugin = self.data('pikaday');
  
              if (!(plugin instanceof Pikaday)) {
                  if (typeof args[0] === 'object') {
                      var options = $.extend({}, args[0]);
                      options.field = self[0];
                      self.data('pikaday', new Pikaday(options));
                  }
              } else {
                  if (typeof args[0] === 'string' && typeof plugin[args[0]] === 'function') {
                      plugin[args[0]].apply(plugin, Array.prototype.slice.call(args,1));
                  }
              }
          });
      };
  
  }));
  
new_contents: /*!
   * Pikaday jQuery plugin.
   *
   * Copyright © 2013 David Bushell | BSD & MIT license | https://github.com/dbushell/Pikaday
   */
  
  (function (root, factory)
  {
      'use strict';
  
      if (typeof exports === 'object') {
          // CommonJS module
          factory(require('jquery'), require('../pikaday'));
      } else if (typeof define === 'function' && define.amd) {
          // AMD. Register as an anonymous module.
          define(['jquery', 'pikaday'], factory);
      } else {
          // Browser globals
          factory(root.jQuery, root.Pikaday);
      }
  }(this, function ($, Pikaday)
  {
      'use strict';
  
      $.fn.pikaday = function()
      {
          var args = arguments;
  
          if (!args || !args.length) {
              args = [{ }];
          }
  
          return this.each(function()
          {
              var self   = $(this),
                  plugin = self.data('pikaday');
  
              if (!(plugin instanceof Pikaday)) {
                  if (typeof args[0] === 'object') {
                      var options = $.extend({}, args[0]);
                      options.field = self[0];
                      self.data('pikaday', new Pikaday(options));
                  }
              } else {
                  if (typeof args[0] === 'string' && typeof plugin[args[0]] === 'function') {
                      plugin[args[0]].apply(plugin, Array.prototype.slice.call(args,1));
                  }
              }
          });
      };
  
  }));
  
subject: Add CommonJS module support.