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

Fixes #498

Promote no-undef to be treated as an error (#669)
Fixes #498
feae8f05 · Dan Abramov · GitHub · a5bf0747 · feae8f05
Commit feae8f05 authored 8 years ago by Dan Abramov Committed by GitHub 8 years ago
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--- 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',