From 01fc3094868f688d2535b447ced0a233b15b51be Mon Sep 17 00:00:00 2001
From: missinglink <insomnia@rcpt.at>
Date: Mon, 14 Jan 2019 20:15:14 +1300
Subject: [PATCH] feat(stable_sort): fix stable sorting on node 11.6.0

---
 middleware/sortResponseData.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/middleware/sortResponseData.js b/middleware/sortResponseData.js
index a8806af45..d66ed2b23 100644
--- a/middleware/sortResponseData.js
+++ b/middleware/sortResponseData.js
@@ -1,4 +1,5 @@
 const _ = require('lodash');
+const stable = require('stable');
 
 const logger = require('pelias-logger').get('api');
 
@@ -12,8 +13,8 @@ function setup(comparator, should_execute) {
     // capture the pre-sort order
     const presort_order = res.data.map(_.property('_id'));
 
-    // sort operates on array in place
-    res.data.sort(comparator(req.clean));
+    // stable operates on array in place
+    stable.inplace(res.data, comparator(req.clean));
 
     // capture the post-sort order
     const postsort_order = res.data.map(_.property('_id'));