From 512a6a55b75a6d11471366611519dc9a509abd27 Mon Sep 17 00:00:00 2001
From: Ruben Bridgewater <ruben@bridgewater.de>
Date: Wed, 11 Apr 2018 03:47:27 +0200
Subject: [PATCH] tools: stricter no-undef eslint rule

By default eslint does not validate variables that are placed in a
typeof check.

PR-URL: https://github.com/nodejs/node/pull/19926
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Weijia Wang <starkwang@126.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 .eslintrc.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.eslintrc.js b/.eslintrc.js
index 5c4933101447f2..2eb3eae6a88979 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -185,7 +185,7 @@ module.exports = {
     'no-this-before-super': 'error',
     'no-throw-literal': 'error',
     'no-trailing-spaces': 'error',
-    'no-undef': 'error',
+    'no-undef': ['error', { typeof: true }],
     'no-undef-init': 'error',
     'no-unexpected-multiline': 'error',
     'no-unreachable': 'error',