From 0d6f1060e760d5ae88e92dfe541b6f2007ab5245 Mon Sep 17 00:00:00 2001
From: Marco 'Lubber' Wienkoop <c64@lubber.de>
Date: Tue, 19 May 2020 17:39:59 +0200
Subject: [PATCH] fix(build): double check for existing object property

In case of errors in less compilation in tasks.js a proper check for an existing filename property is not given and breaks when it's undefined
---
 tasks/config/tasks.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tasks/config/tasks.js b/tasks/config/tasks.js
index 3e33556312..eae6e54961 100644
--- a/tasks/config/tasks.js
+++ b/tasks/config/tasks.js
@@ -105,7 +105,7 @@ module.exports = {
             theme,
             element
           ;
-          if(error.filename.match(/theme.less/)) {
+          if(error && error.filename && error.filename.match(/theme.less/)) {
             if (error.line == 9) {
               element = regExp.variable.exec(error.message)[1];
               if (element) {