Fix MR and issue specs

app/assets/javascripts/helpers/issuables_helper.js

 import CloseReopenReportToggle from '../close_reopen_report_toggle';
 
-export default function initCloseReopenReport() {
+function initCloseReopenReport() {
   const container = document.querySelector('.js-issuable-close-dropdown');
 
   if (!container) return undefined;
@@ -19,3 +19,9 @@ export default function initCloseReopenReport() {
 
   return closeReopenReportToggle;
 }
+
+const IssuablesHelper = {
+  initCloseReopenReport,
+};
+
+export default IssuablesHelper;

app/assets/javascripts/issue.js

@@ -6,7 +6,7 @@ import '~/lib/utils/text_utility';
 import './flash';
 import './task_list';
 import CreateMergeRequestDropdown from './create_merge_request_dropdown';
-import initCloseReopenReport from './helpers/issuables_helper';
+import IssuablesHelper from './helpers/issuables_helper';
 
 class Issue {
   constructor() {
@@ -98,10 +98,10 @@ class Issue {
   }
 
   initCloseReopenReport() {
-    this.closeReopenReportToggle = initCloseReopenReport();
+    this.closeReopenReportToggle = IssuablesHelper.initCloseReopenReport();
 
-    this.closeButtons = this.closeButtons.not('.issuable-close-button');
-    this.reopenButtons = this.reopenButtons.not('.issuable-close-button');
+    if (this.closeButtons) this.closeButtons = this.closeButtons.not('.issuable-close-button');
+    if (this.reopenButtons) this.reopenButtons = this.reopenButtons.not('.issuable-close-button');
   }
 
   disableCloseReopenButton($button, shouldDisable) {

app/assets/javascripts/merge_request.js

@@ -4,7 +4,7 @@
 import 'vendor/jquery.waitforimages';
 import './task_list';
 import './merge_request_tabs';
-import initCloseReopenReport from './helpers/issuables_helper';
+import IssuablesHelper from './helpers/issuables_helper';
 
 (function() {
   this.MergeRequest = (function() {
@@ -26,7 +26,7 @@ import initCloseReopenReport from './helpers/issuables_helper';
       this.initTabs();
       this.initMRBtnListeners();
       this.initCommitMessageListeners();
-      this.closeReopenReportToggle = initCloseReopenReport();
+      this.closeReopenReportToggle = IssuablesHelper.initCloseReopenReport();
 
       if ($("a.btn-close").length) {
         this.taskList = new gl.TaskList({

spec/javascripts/merge_request_spec.js

@@ -3,6 +3,7 @@
 
 import '~/merge_request';
 import CloseReopenReportToggle from '~/close_reopen_report_toggle';
+import IssuablesHelper from '~/helpers/issuables_helper';
 
 (function() {
   describe('MergeRequest', function() {
@@ -31,28 +32,24 @@ import CloseReopenReportToggle from '~/close_reopen_report_toggle';
 
     describe('class constructor', () => {
       it('calls .initCloseReopenReport', () => {
-        spyOn(MergeRequest.prototype, 'initCloseReopenReport');
+        spyOn(IssuablesHelper, 'initCloseReopenReport');
 
-        const mergeRequest = new MergeRequest();
+        new MergeRequest(); // eslint-disable-line no-new
 
-        expect(mergeRequest.initCloseReopenReport).toHaveBeenCalled();
-      });
+        expect(IssuablesHelper.initCloseReopenReport).toHaveBeenCalled();
       });
 
-    describe('initCloseReopenReport', () => {
       it('calls .initDroplab', () => {
         const container = jasmine.createSpyObj('container', ['querySelector']);
         const dropdownTrigger = {};
         const dropdownList = {};
         const button = {};
 
-        const mergeRequest = new MergeRequest();
-
         spyOn(CloseReopenReportToggle.prototype, 'initDroplab');
         spyOn(document, 'querySelector').and.returnValue(container);
         container.querySelector.and.returnValues(dropdownTrigger, dropdownList, button);
 
-        mergeRequest.initCloseReopenReport();
+        new MergeRequest(); // eslint-disable-line no-new
 
         expect(document.querySelector).toHaveBeenCalledWith('.js-issuable-close-dropdown');
         expect(container.querySelector).toHaveBeenCalledWith('.js-issuable-close-toggle');