Merge pull request #482 from s0ber/allow-manual-initialization

Allow manual initialization of jQuery UJS, if jQuery is not exposed to global namespace

src/rails.js

@@ -1,4 +1,4 @@
-(function($, undefined) {
+/* jshint node: true */
 
 /**
  * Unobtrusive scripting adapter for jQuery
@@ -10,10 +10,13 @@
  *
  */
 
-  // Cut down on the number of issues from people inadvertently including jquery_ujs twice
-  // by detecting and raising an error when it happens.
+(function() {
   'use strict';
 
+  var jqueryUjsInit = function($, undefined) {
+
+  // Cut down on the number of issues from people inadvertently including jquery_ujs twice
+  // by detecting and raising an error when it happens.
   if ( $.rails !== undefined ) {
     $.error('jquery-ujs has already been loaded!');
   }
@@ -552,4 +555,11 @@
     });
   }
 
-})( jQuery );
+  };
+
+  if (window.jQuery) {
+    jqueryUjsInit(jQuery);
+  } else if (typeof exports === 'object' && typeof module === 'object') {
+    module.exports = jqueryUjsInit;
+  }
+})();