Refactor dashboard todos inside dispatcher

app/assets/javascripts/dispatcher.js

@@ -56,7 +56,6 @@ import GfmAutoComplete from './gfm_auto_complete';
 import ShortcutsBlob from './shortcuts_blob';
 import SigninTabsMemoizer from './signin_tabs_memoizer';
 import Star from './star';
-import Todos from './todos';
 import TreeView from './tree';
 import UsagePing from './usage_ping';
 import UsernameValidator from './username_validator';
@@ -111,6 +110,7 @@ import Activities from './activities';
       }
 
       const fail = () => Flash('Error loading dynamic module');
+      const callDefault = m => m.default();
 
       path = page.split(':');
       shortcut_handler = null;
@@ -212,7 +212,7 @@ import Activities from './activities';
           projectSelect();
           break;
         case 'dashboard:todos:index':
-          new Todos();
+          import('./pages/dashboard/todos/index').then(callDefault).catch(fail);
           break;
         case 'dashboard:projects:index':
         case 'dashboard:projects:starred':
@@ -542,7 +542,7 @@ import Activities from './activities';
           new CILintEditor();
           break;
         case 'users:show':
-          import('./pages/users/show').then(m => m.default()).catch(fail);
+          import('./pages/users/show').then(callDefault).catch(fail);
           break;
         case 'admin:conversational_development_index:show':
           new UserCallout();

app/assets/javascripts/pages/dashboard/todos/index/index.js

+import Todos from './todos';
+
+export default () => new Todos();

app/assets/javascripts/todos.js → app/assets/javascripts/pages/dashboard/todos/index/todos.js

 /* eslint-disable class-methods-use-this, no-unneeded-ternary, quote-props */
-import { visitUrl } from './lib/utils/url_utility';
-import UsersSelect from './users_select';
-import { isMetaClick } from './lib/utils/common_utils';
+import { visitUrl } from '~/lib/utils/url_utility';
+import UsersSelect from '~/users_select';
+import { isMetaClick } from '~/lib/utils/common_utils';
 
 export default class Todos {
   constructor() {

spec/javascripts/todos_spec.js

 import * as urlUtils from '~/lib/utils/url_utility';
-import Todos from '~/todos';
+import Todos from '~/pages/dashboard/todos/index/todos';
 import '~/lib/utils/common_utils';
 
 describe('Todos', () => {