Promote no-undef to be treated as an error (#669)

Fixes #498
facebook · Sep 17, 2016 · feae8f0 · feae8f0
1 parent a5bf074
commit feae8f0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/config/eslint.js b/config/eslint.js
@@ -126,7 +126,7 @@ module.exports = {
     'no-template-curly-in-string': 'warn',
     'no-this-before-super': 'warn',
     'no-throw-literal': 'warn',
-    'no-undef': 'warn',
+    'no-undef': 'error',
     'no-unexpected-multiline': 'warn',
     'no-unreachable': 'warn',
     'no-unused-expressions': 'warn',