feat: add experimental atlas to pull_translations (#1093)

This is an experimental off-by-defualt feature for moving the translation files ouside the repos.

Run `OPENEDX_ATLAS_PULL=true make translations` to use atlas to pull translations instead of transifex.

Refs: FC-12 OEP-58

src/i18n/index.js

@@ -1,3 +1,6 @@
+import { messages as footerMessages } from '@edx/frontend-component-footer';
+import { messages as headerMessages } from '@edx/frontend-component-header';
+
 import arMessages from './messages/ar.json';
 import frMessages from './messages/fr.json';
 import es419Messages from './messages/es_419.json';
@@ -15,7 +18,7 @@ import ititCAMessages from './messages/it_IT.json';
 import ptptCAMessages from './messages/pt_PT.json';
 // no need to import en messages-- they are in the defaultMessage field
 
-const messages = {
+const appMessages = {
   ar: arMessages,
   'es-419': es419Messages,
   fr: frMessages,
@@ -33,4 +36,8 @@ const messages = {
   'pt-pt': ptptCAMessages,
 };
 
-export default messages;
+export default [
+  appMessages,
+  footerMessages,
+  headerMessages,
+];

src/index.jsx

@@ -11,13 +11,11 @@ import React from 'react';
 import ReactDOM from 'react-dom';
 import { Switch } from 'react-router-dom';
 
-import { messages as footerMessages } from '@edx/frontend-component-footer';
-import { messages as headerMessages } from '@edx/frontend-component-header';
 import { Helmet } from 'react-helmet';
 import { fetchDiscussionTab, fetchLiveTab } from './course-home/data/thunks';
 import DiscussionTab from './course-home/discussion-tab/DiscussionTab';
 
-import appMessages from './i18n';
+import messages from './i18n';
 import { UserMessagesProvider } from './generic/user-messages';
 
 import './index.scss';
@@ -142,9 +140,5 @@ initialize({
       }, 'LearnerAppConfig');
     },
   },
-  messages: [
-    appMessages,
-    footerMessages,
-    headerMessages,
-  ],
+  messages,
 });

src/setupTest.js

@@ -19,7 +19,7 @@ import { reducer as coursewareReducer } from './courseware/data/slice';
 import { reducer as modelsReducer } from './generic/model-store';
 import { UserMessagesProvider } from './generic/user-messages';
 
-import appMessages from './i18n';
+import messages from './i18n';
 import { fetchCourse, fetchSequence } from './courseware/data';
 import { appendBrowserTimezoneToUrl, executeThunk } from './utils';
 import buildSimpleCourseAndSequenceMetadata from './courseware/data/__factories__/sequenceMetadata.factory';
@@ -78,7 +78,7 @@ export function initializeMockApp() {
   configureI18n({
     config: getConfig(),
     loggingService,
-    messages: [appMessages],
+    messages,
   });
 
   return { loggingService, authService };