Stub out missing Elk endpoints

src/app.ts

@@ -13,6 +13,7 @@ import { emptyArrayController, emptyObjectController } from './controllers/api/f
 import { homeController } from './controllers/api/timelines.ts';
 import instanceController from './controllers/api/instance.ts';
 import { createTokenController, oauthAuthorizeController, oauthController } from './controllers/api/oauth.ts';
+import { preferencesController } from './controllers/api/preferences.ts';
 import {
   contextController,
   createStatusController,
@@ -61,6 +62,8 @@ app.post('/api/v1/statuses', requireAuth, createStatusController);
 
 app.get('/api/v1/timelines/home', requireAuth, homeController);
 
+app.get('/api/v1/preferences', preferencesController);
+
 // Not (yet) implemented.
 app.get('/api/v1/notifications', emptyArrayController);
 app.get('/api/v1/bookmarks', emptyArrayController);
@@ -73,6 +76,9 @@ app.get('/api/v1/mutes', emptyArrayController);
 app.get('/api/v1/domain_blocks', emptyArrayController);
 app.get('/api/v1/markers', emptyObjectController);
 app.get('/api/v1/timelines/public', emptyArrayController);
+app.get('/api/v1/conversations', emptyArrayController);
+app.get('/api/v1/favourites', emptyArrayController);
+app.get('/api/v1/lists', emptyArrayController);
 
 app.get('/', indexController);
 

src/controllers/api/preferences.ts

@@ -0,0 +1,19 @@
+import { AppController } from '@/app.ts';
+
+/**
+ * Return a default set of preferences for compatibilty purposes.
+ * Clients like Soapbox do not use this.
+ *
+ * https://docs.joinmastodon.org/methods/preferences/
+ */
+const preferencesController: AppController = (c) => {
+  return c.json({
+    'posting:default:visibility': 'public',
+    'posting:default:sensitive': false,
+    'posting:default:language': null,
+    'reading:expand:media': 'default',
+    'reading:expand:spoilers': false,
+  });
+};
+
+export { preferencesController };