From eea8e06d898622fa7676c8b738339e6187b130ac Mon Sep 17 00:00:00 2001
From: XhmikosR <xhmikosr@gmail.com>
Date: Wed, 15 Sep 2021 21:43:54 +0300
Subject: [PATCH] htmllint.js: use flatMap instead of concat & map

---
 lib/htmllint.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/htmllint.js b/lib/htmllint.js
index c085d9e..bbdcd9c 100644
--- a/lib/htmllint.js
+++ b/lib/htmllint.js
@@ -42,14 +42,13 @@ function parseErrorMessages(errors, config) {
   if (config.server) {
     // Extract "messages" property from each object and set the url of each message.
     // This results in an array of arrays instead of array of objects, which is then
-    // flattened by concatenation
-    // eslint-disable-next-line unicorn/prefer-spread
-    messages = [].concat(...messages, parsed.map(file => {
+    // flattened
+    messages = parsed.flatMap(file => {
       return file.messages.map(message => {
         message.url = file.url;
         return message;
       });
-    }));
+    });
   }
 
   return messages;