Make sure only window/document eventListeners created by the rails_script application are destroyed during page changes. Adding a namespace to window or document events will prevent them from being destroyed.

Author: kpheasey

include_rails_script.js

@@ -0,0 +1,37 @@
+jQuery(function() {
+  window.$this = new (App.#{ controller_path.split(/\/|_/).map(&:capitalize).join('') } || App.Base)();
+  if (typeof $this.#{ action_name } === 'function') {
+    return $this.#{ action_name }.call();
+  }
+});
+
+jQuery(document).on('page:before-change', function() {
+  var element, handler, handlers, type, _i, _len, _ref, _results;
+  _ref = [window, document];
+  _results = [];
+  for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+    element = _ref[_i];
+    _results.push((function() {
+      var _ref2, _results2;
+      _ref2 = jQuery._data(element, 'events');
+      _results2 = [];
+      for (type in _ref2) {
+        handlers = _ref2[type];
+        _results2.push((function() {
+          var _j, _len2, _results3;
+          _results3 = [];
+          for (_j = 0, _len2 = handlers.length; _j < _len2; _j++) {
+            handler = handlers[_j];
+            if (handler == null) {
+              continue;
+            }
+            _results3.push(handler.namespace === '' ? $(element).off(type, handler.handler) : void 0);
+          }
+          return _results3;
+        })());
+      }
+      return _results2;
+    })());
+  }
+  return _results;
+});

lib/rails_script/loader_helper.rb

@@ -3,17 +3,7 @@ module LoaderHelper
 
     def include_rails_script
       javascript_tag <<-RUBY
-  jQuery(function() {
-    window.$this = new (App.#{ controller_path.split(/\/|_/).map(&:capitalize).join('') } || App.Base)();
-    if (typeof $this.#{ action_name } === 'function') {
-      return $this.#{ action_name }.call();
-    }
-  });
-
-  jQuery(document).on('page:before-change', function() {
-    jQuery(document).off();
-    jQuery(window).off();
-  });
+  jQuery(function(){window.$this=new(App.#{controller_path.split(/\/|_/).map(&:capitalize).join('')}||App.Base);if(typeof $this.#{action_name}==="function"){return $this.#{action_name}.call()}});jQuery(document).on("page:before-change",function(){var e,t,n,r,i,s,o,u;o=[window,document];u=[];for(i=0,s=o.length;i<s;i++){e=o[i];u.push(function(){var i,s;i=jQuery._data(e,"events");s=[];for(r in i){n=i[r];s.push(function(){var i,s,o;o=[];for(i=0,s=n.length;i<s;i++){t=n[i];if(t==null){continue}o.push(t.namespace===""?$(e).off(r,t.handler):void 0)}return o}())}return s}())}return u})
       RUBY
     end