Move code out of ee/pages

ee/app/assets/javascripts/pages/registrations/welcome/index.js

 import 'ee/registrations/welcome/other_role';
 import 'ee/registrations/welcome/jobs_to_be_done';
+import { initWelcomeIndex } from 'ee/registrations/welcome';
 
-const emailUpdatesForm = document.querySelector('.js-email-opt-in');
-const setupForCompany = document.querySelector('.js-setup-for-company');
-const setupForMe = document.querySelector('.js-setup-for-me');
-
-if (emailUpdatesForm) {
-  if (setupForCompany) {
-    setupForCompany.addEventListener('change', () => {
-      emailUpdatesForm.classList.add('hidden');
-    });
-  }
-
-  if (setupForMe) {
-    setupForMe.addEventListener('change', () => {
-      emailUpdatesForm.classList.remove('hidden');
-    });
-  }
-}
+initWelcomeIndex();

ee/app/assets/javascripts/pages/trial_registrations/new/index.js

@@ -4,7 +4,7 @@ import NoEmojiValidator from '~/emoji/no_emoji_validator';
 import LengthValidator from '~/pages/sessions/new/length_validator';
 import SigninTabsMemoizer from '~/pages/sessions/new/signin_tabs_memoizer';
 import UsernameValidator from '~/pages/sessions/new/username_validator';
-import UsernameSuggester from './username_suggester';
+import UsernameSuggester from 'ee/trial_registrations/username_suggester';
 
 new UsernameValidator(); // eslint-disable-line no-new
 new LengthValidator(); // eslint-disable-line no-new

ee/app/assets/javascripts/pages/trials/apply/index.js

-import 'ee/pages/trials/namespace_select';
+import 'ee/trials/namespace_select';
 import 'ee/trials/track_trial_user_errors';

ee/app/assets/javascripts/pages/trials/create_lead/index.js

-import 'ee/pages/trials/country_select';
+import 'ee/trials/country_select';
 import 'ee/trials/track_trial_user_errors';

ee/app/assets/javascripts/pages/trials/new/index.js

-import 'ee/pages/trials/country_select';
+import 'ee/trials/country_select';

ee/app/assets/javascripts/pages/trials/select/index.js

-import 'ee/pages/trials/namespace_select';
+import 'ee/trials/namespace_select';

ee/app/assets/javascripts/registrations/groups/new/index.js

 import Vue from 'vue';
 import mountVisibilityLevelDropdown from '~/groups/visibility_level';
-import 'ee/pages/trials/country_select';
+import 'ee/trials/country_select';
 import RegistrationTrialToggle from '../../components/registration_trial_toggle.vue';
 
 function toggleTrialForm(trial) {

ee/app/assets/javascripts/registrations/welcome/index.js

+export const initWelcomeIndex = () => {
+  const emailUpdatesForm = document.querySelector('.js-email-opt-in');
+  const setupForCompany = document.querySelector('.js-setup-for-company');
+  const setupForMe = document.querySelector('.js-setup-for-me');
+
+  if (emailUpdatesForm) {
+    if (setupForCompany) {
+      setupForCompany.addEventListener('change', () => {
+        emailUpdatesForm.classList.add('hidden');
+      });
+    }
+
+    if (setupForMe) {
+      setupForMe.addEventListener('change', () => {
+        emailUpdatesForm.classList.remove('hidden');
+      });
+    }
+  }
+};

ee/spec/frontend/trial_registrations/username_suggester_spec.js

 import MockAdapter from 'axios-mock-adapter';
-import UsernameSuggester from 'ee/pages/trial_registrations/new/username_suggester';
+import UsernameSuggester from 'ee/trial_registrations/username_suggester';
 import { setHTMLFixture } from 'helpers/fixtures';
 import axios from '~/lib/utils/axios_utils';