🚑 Function 'disconnect' not working in expected way

pos_keyboard/__manifest__.py

@@ -11,7 +11,7 @@
     "category": "Point Of Sale",
     # "live_test_url": "http://apps.it-projects.info/shop/product/DEMO-URL?version={ODOO_BRANCH}",
     "images": ['images/keyboard.png'],
-    "version": "12.0.1.1.3",
+    "version": "12.0.1.1.4",
     "application": False,
 
     "author": "IT-Projects LLC, Ivan Yelizariev",

pos_keyboard/doc/changelog.rst

@@ -1,3 +1,8 @@
+`1.1.4`
+-------
+
+**Fix:** Incompatibility with some modules led to the action duplicating
+
 `1.1.3`
 -------
 

pos_keyboard/static/src/js/pos.js

@@ -2,6 +2,7 @@
     Copyright 2016 ufaks <https://github.com/ufaks>
     Copyright 2016 Ivan Yelizariev <https://it-projects.info/team/yelizariev>
     Copyright 2019 Kolushov Alexandr <https://it-projects.info/team/kolushovalexandr>
+    Copyright 2019 ssaid <https://github.com/ssaid>
     License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html). */
 odoo.define('pos_keyboard.pos', function (require) {
     "use strict";
@@ -134,6 +135,7 @@ odoo.define('pos_keyboard.pos', function (require) {
                 val: undefined
             };
             this.action_callback = undefined;
+            this.active = false;
         },
 
         save_callback: function(){
@@ -159,6 +161,9 @@ odoo.define('pos_keyboard.pos', function (require) {
         // calling the callback when needed.
         connect: function(){
             var self = this;
+            if (self.active) {
+                return;
+            }
             // --- additional keyboard ---//
             // KeyCode: + or - (Keypad '+')
             var KC_PLU = 107;
@@ -258,11 +263,13 @@ odoo.define('pos_keyboard.pos', function (require) {
                     }, 50);
                 }
             });
+            self.active = true;
         },
 
         // stops catching keyboard events 
         disconnect: function(){
             $('body').off('keyup', '');
+            self.active = false;
         }
     });