From ed276295d6ab2c3509dd63e2af66b7ec90306339 Mon Sep 17 00:00:00 2001
From: Victor Amupitan <victor@victoramupitan.com>
Date: Wed, 17 Jan 2018 06:06:44 -0600
Subject: [PATCH] Changes no-unused-expressions lint from warning to error
 (#2319)

* Changes no-unused-expressions lint from warning to error

* Update index.js

* Update index.js
---
 packages/eslint-config-react-app/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/eslint-config-react-app/index.js b/packages/eslint-config-react-app/index.js
index f029f9626bf..6bb7897ff63 100644
--- a/packages/eslint-config-react-app/index.js
+++ b/packages/eslint-config-react-app/index.js
@@ -120,7 +120,7 @@ module.exports = {
     'no-unexpected-multiline': 'warn',
     'no-unreachable': 'warn',
     'no-unused-expressions': [
-      'warn',
+      'error',
       {
         allowShortCircuit: true,
         allowTernary: true,