debug/test if singleton are never reinstanced

js/src/services/accordion.service.js

@@ -8,6 +8,8 @@ class AccordionService {
     constructor() {
         if (!this.instance) {
             this.instance = this;
+        } else {
+            throw 'singleton instanced more than once: ' . this.constructor.name;
         }
 
         return this.instance;

js/src/services/api.service.js

@@ -14,6 +14,8 @@ class ApiService {
         if (!this.instance) {
             this.instance = this;
             this.afterSuccessCallbacks = [];
+        } else {
+            throw 'singleton instanced more than once: ' . this.constructor.name;
         }
 
         return this.instance;

js/src/services/data.service.js

@@ -12,6 +12,8 @@ class DataService {
             this.instance = this;
             this.hasStorage = this.storageAvailable('localStorage') && this.storageAvailable('sessionStorage');
             this.storage = { session: sessionStorage, local: localStorage };
+        } else {
+            throw 'singleton instanced more than once: ' . this.constructor.name;
         }
 
         return this.instance;

js/src/services/form.service.js

@@ -28,6 +28,8 @@ class FormService {
                     }
                 });
             };
+        } else {
+            throw 'singleton instanced more than once: ' . this.constructor.name;
         }
 
         return this.instance;

js/src/services/modal.service.js

@@ -16,6 +16,8 @@ class ModalService {
         if (!ModalService.instance) {
             this.modals = [];
             ModalService.instance = this;
+        } else {
+            throw 'singleton instanced more than once: ' . this.constructor.name;
         }
 
         return ModalService.instance;

js/src/services/panel.service.js

@@ -19,6 +19,8 @@ class PanelService {
                 currentVisibleId: null, // the current panel id that is in a visible state.
                 currentParams: null, // url argument of the current panel.
             };
+        } else {
+            throw 'singleton instanced more than once: ' . this.constructor.name;
         }
 
         return this.instance;

js/src/services/popup.service.js

@@ -10,6 +10,8 @@ class PopupService {
     constructor() {
         if (!PopupService.instance) {
             PopupService.instance = this;
+        } else {
+            throw 'singleton instanced more than once: ' . this.constructor.name;
         }
 
         return PopupService.instance;

js/src/services/upload.service.js

@@ -12,6 +12,8 @@ class UploadService {
     constructor() {
         if (!UploadService.instance) {
             UploadService.instance = this;
+        } else {
+            throw 'singleton instanced more than once: ' . this.constructor.name;
         }
 
         return UploadService.instance;

js/src/services/vue.service.js

@@ -66,6 +66,8 @@ class VueService {
                 },
             };
             VueService.instance = this;
+        } else {
+            throw 'singleton instanced more than once: ' . this.constructor.name;
         }
 
         return VueService.instance;

public/atkjs-ui.js

@@ -2346,6 +2346,8 @@ class AccordionService {
   constructor() {
     if (!this.instance) {
       this.instance = this;
+    } else {
+      throw 'singleton instanced more than once: '.this.constructor.name;
     }
 
     return this.instance;