Converted notes.js to axios

app/assets/javascripts/notes.js

@@ -16,6 +16,7 @@ import Autosize from 'autosize';
 import 'vendor/jquery.caret'; // required by jquery.atwho
 import 'vendor/jquery.atwho';
 import AjaxCache from '~/lib/utils/ajax_cache';
+import axios from './lib/utils/axios_utils';
 import { getLocationHash } from './lib/utils/url_utility';
 import Flash from './flash';
 import CommentTypeToggle from './comment_type_toggle';
@@ -252,26 +253,20 @@ export default class Notes {
       return;
     }
     this.refreshing = true;
-    return $.ajax({
-      url: this.notes_url,
-      headers: { 'X-Last-Fetched-At': this.last_fetched_at },
-      dataType: 'json',
-      success: (function(_this) {
-        return function(data) {
-          var notes;
-          notes = data.notes;
-          _this.last_fetched_at = data.last_fetched_at;
-          _this.setPollingInterval(data.notes.length);
-          return $.each(notes, function(i, note) {
-            _this.renderNote(note);
+    axios.get(this.notes_url, {
+      headers: {
+        'X-Last-Fetched-At': this.last_fetched_at,
+      },
+    }).then(({ data }) => {
+      const notes = data.notes;
+      this.last_fetched_at = data.last_fetched_at;
+      this.setPollingInterval(data.notes.length);
+      $.each(notes, (i, note) => this.renderNote(note));
+
+      this.refreshing = false;
+    }).catch(() => {
+      this.refreshing = false;
     });
-        };
-      })(this)
-    }).always((function(_this) {
-      return function() {
-        return _this.refreshing = false;
-      };
-    })(this));
   }
 
   /**