update readme & dists

Author: Lukas Oppermann

README.md

@@ -8,6 +8,7 @@ HTML5 Sortable jQuery Plugin
 * Built using native HTML5 drag and drop API.
 * Supports both list and grid style layouts.
 * Works in IE 5.5+, Firefox 3.5+, Chrome 3+, Safari 3+ and, Opera 12+.
+* Supports exports as AMD, CommonJS or global
 * Comes with an AngularJS directive [help wanted](#angularjs-usage)
 
 # Installation

dist/html.sortable.js

@@ -1,3 +1,12 @@
+(function(root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    define(['jquery'], factory);
+  } else if (typeof exports === 'object') {
+    module.exports = factory(require('jquery'));
+  } else {
+    root.sortable = factory(root.$);
+  }
+}(this, function(jquery) {
 /*
  * HTML5 Sortable jQuery Plugin
  * https://github.com/voidberg/html5sortable
@@ -9,19 +18,19 @@
  *
  * Released under the MIT license.
  */
-(function($) {
-  'use strict';
-
   var dragging;
   var draggingHeight;
   var placeholders = $();
-  $.fn.sortable = function(options) {
+  var sortable = function(options) {
+    'use strict';
     var method = String(options);
 
     options = $.extend({
       connectWith: false,
       placeholder: null,
-      dragImage: null
+      dragImage: null,
+      placeholderClass: 'sortable-placeholder',
+      draggingClass: 'sortable-dragging'
     }, options);
 
     return this.each(function() {
@@ -60,7 +69,7 @@
 
       var startParent;
       var newParent;
-      var placeholder = (options.placeholder === null) ? $('<' + (/^ul|ol$/i.test(this.tagName) ? 'li' : 'div') + ' class="sortable-placeholder"/>') : $(options.placeholder).addClass('sortable-placeholder');
+      var placeholder = (options.placeholder === null) ? $('<' + (/^ul|ol$/i.test(this.tagName) ? 'li' : 'div') + ' class="'+options.placeholderClass+'"/>') : $(options.placeholder).addClass(options.placeholderClass);
 
       $(this).data('items', options.items);
       placeholders = placeholders.add(placeholder);
@@ -90,7 +99,7 @@
           dt.setDragImage(options.dragImage, 0, 0);
         }
 
-        index = (dragging = $(this)).addClass('sortable-dragging').attr('aria-grabbed', 'true').index();
+        index = (dragging = $(this)).addClass(options.draggingClass).attr('aria-grabbed', 'true').index();
         draggingHeight = dragging.height();
         startParent = $(this).parent();
         dragging.parent().triggerHandler('sortstart', {
@@ -101,7 +110,7 @@
           if (!dragging) {
             return;
           }
-          dragging.removeClass('sortable-dragging').attr('aria-grabbed', 'false').show();
+          dragging.removeClass(options.draggingClass).attr('aria-grabbed', 'false').show();
           placeholders.detach();
           newParent = $(this).parent();
           if (index !== dragging.index() || startParent.get(0) !== newParent.get(0)) {
@@ -156,4 +165,8 @@
         });
     });
   };
-})(jQuery);
+
+$.fn.sortable = sortable;
+
+return sortable;
+}));