Remove jQuery dependency. Move the eventHandler removal into Base and make some syntax changes to the generator templates.

Author: kpheasey

include_rails_script.js.coffee

@@ -1,40 +1,9 @@
 window.Utility || (window.Utility = {});
 Utility.RailsVars = #{@to_javascript.nil? ? '{}' : @to_javascript.to_json};
 
-jQuery(function() {
+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/generators/rails_script/class/templates/javascript.js.coffee

@@ -2,5 +2,4 @@ window.App ||= {}
 class App.<%= class_name.gsub('::', '') %>
 
   constructor: ->
-    super
     return this

lib/generators/rails_script/element/templates/javascript.js.coffee

@@ -2,5 +2,5 @@ window.Element ||= {}
 class Element.<%= element_name.gsub('::', '') %> <%= "extends Utility.#{utility.gsub('::', '')}" unless utility.blank?  %>
 
   constructor: ->
-    super
+    <%= "super" unless utility.blank?  %>
     return this

lib/generators/rails_script/install/templates/base.js.coffee

@@ -2,14 +2,36 @@ window.App ||= {}
 class App.Base
 
   constructor: ->
+    if (window.jQuery) then @setClearEventHandlers() # clearing application event handlers only possible with jQuery
     return this
 
 
+  ###
+  Run the new action for the create action.  Generally the create action will 'render :new' if there was a problem.
+  This prevents doubling the code for each action.
+  ###
   create: ->
     if typeof $this.new == 'function'
       return $this.new()
 
 
+  ###
+  Run the edit action for the update action.  Generally the update action will 'render :edit' if there was a problem.
+  This prevents doubling the code for each action.
+  ###
   update: ->
     if typeof $this.edit == 'function'
-      return $this.edit()
+      return $this.edit()
+
+
+  ###
+  Clear event handlers with a blank namespace.  This will prevent window and document event handlers from stacking
+  when each new page is fetched.  Adding a namespace to your events will prevent them from being removed between page
+  loads, i.e. "$(window).on 'scroll.app', myHandler"
+  ###
+  clearEventHandlers: ->
+    jQuery(document).on 'page:before-change', ->
+      for element in [window, document]
+        for event, handlers in jQuery._data(element, 'events')
+          for handler in handlers
+            if handler.namespace == '' then $(element).off event, handler.handler

lib/generators/rails_script/utility/templates/javascript.js.coffee

@@ -2,5 +2,4 @@ window.Utility ||= {}
 class Utility.<%= utility_name.gsub('::', '') %>
 
   constructor: ->
-    super
     return this

lib/rails_script/loader_helper.rb

@@ -3,8 +3,16 @@ module LoaderHelper
 
     def include_rails_script
       javascript_tag <<-RUBY
-      window.Utility || (window.Utility = {});Utility.RailsVars = #{@to_javascript.nil? ? '{}' : @to_javascript.to_json};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
+window.Utility || (window.Utility = {});
+Utility.RailsVars = #{@to_javascript.nil? ? '{}' : @to_javascript.to_json};
+
+(function() {
+  window.$this = new (App.#{ controller_path.split(/\/|_/).map(&:capitalize).join('') } || App.Base)();
+  if (typeof $this.#{ action_name } === 'function') {
+    return $this.#{ action_name }.call();
+  }
+})();
+RUBY
     end
 
   end

lib/rails_script/version.rb

@@ -1,3 +1,3 @@
 module RailsScript
-  VERSION = '0.2.0'
+  VERSION = '0.2.1'
 end