Overwrite default history functions and use historyAction variable instead of history.action

Author: Libter

js/main.js

@@ -497,3 +497,15 @@ heartbeat.on('message', function(e) {
     }
   }
 });
+
+var originalHistoryBack = history.back;
+history.back = function() {
+    window.historyAction = 'back';
+    originalHistoryBack();
+}
+
+var originalHistoryForward = history.forward;
+history.forward = function() {
+    window.historyAction = 'forward';
+    originalHistoryForward();
+}

js/router.js

@@ -50,7 +50,7 @@ module.exports = Backbone.Router.extend({
     });
     history.size = -1;
     history.position = -1;
-    history.action = 'default';
+    window.historyAction = 'default';
   },
 
   translateRoute: function(route) {
@@ -108,17 +108,17 @@ module.exports = Backbone.Router.extend({
   },
 
   execute: function(callback, args, name) {
-    if (history.action == 'default') {
+    if (historyAction == 'default') {
       history.position += 1;
       history.size = history.position;
-    } else if (history.action == 'back') {
+    } else if (historyAction == 'back') {
       history.position -= 1;
-    } else if(history.action == 'forward' && this.previousName != name && name != "index") {
+    } else if(historyAction == 'forward' && this.previousName != name && name != "index") {
       //don't increment if the same state is navigated to twice
       //don't increment on index since that isn't a real state
         history.position += 1;
     }
-    history.action = 'default';
+    window.historyAction = 'default';
 
     if (history.position == history.size)
         $('.js-navFwd').addClass('disabled');

js/views/pageNavVw.js

@@ -501,12 +501,10 @@ module.exports = baseVw.extend({
   },
 
   navBackClick: function(){
-    history.action = 'back';
     history.back();
   },
 
   navFwdClick: function(){
-    history.action = 'forward';
     history.forward();
   },