From 598ac1c7506607dddbca64de96990c9068ae9faf Mon Sep 17 00:00:00 2001
From: samreid <reids@colorado.edu>
Date: Fri, 8 Jan 2021 13:58:31 -0700
Subject: [PATCH] Use _.sum, see
 https://github.com/phetsims/chipper/issues/1000

---
 js/grunt/lint.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/js/grunt/lint.js b/js/grunt/lint.js
index 567b55ea..7b701e06 100644
--- a/js/grunt/lint.js
+++ b/js/grunt/lint.js
@@ -87,11 +87,9 @@ const lint = async ( patterns, options ) => {
   const formatter = await eslint.loadFormatter( 'stylish' );
   const resultText = formatter.format( results );
 
-  const sum = ( a, b ) => a + b;
-  const count = numbers => numbers.length === 0 ? 0 : numbers.reduce( sum );
+  const totalWarnings = _.sum( results.map( result => result.warningCount ) );
+  const totalErrors = _.sum( results.map( result => result.errorCount ) );
 
-  const totalWarnings = count( results.map( result => result.warningCount ) );
-  const totalErrors = count( results.map( result => result.errorCount ) );
   const total = totalWarnings + totalErrors;
 
   // 5. Output it.