refactor: move sortByDate hook to global hooks

Author: eug-vs

hooks/sortByDate.ts

@@ -0,0 +1,8 @@
+import _ from 'lodash';
+import { HookContext } from '@feathersjs/feathers';
+
+export default async (context: HookContext): Promise<HookContext> => {
+  _.set(context, 'params.query.$sort', { createdAt: - 1});
+  return context;
+}
+

services/polls/polls.hooks.ts

@@ -1,18 +1,12 @@
-import _ from 'lodash';
-import { HookContext } from '@feathersjs/feathers';
 import convertPoll from '../../hooks/convertPoll';
-
-const sort = async (context: HookContext): Promise<HookContext> => {
-  _.set(context, 'params.query.$sort', { createdAt: - 1});
-  return context;
-}
+import sortByDate from '../../hooks/sortByDate';
 
 export default {
   before: {
-    find: sort
+    find: sortByDate
   },
   after: {
-    all: [convertPoll]
+    all: convertPoll
   }
 };