Only enable testing rules in test files

Author: nickserv

packages/eslint-config-react-app/index.js

@@ -30,12 +30,6 @@ module.exports = {
 
   plugins: ['import', 'flowtype', 'jsx-a11y', 'react', 'react-hooks'],
 
-  extends: [
-    'plugin:jest/recommended',
-    'plugin:jest-dom/recommended',
-    'plugin:testing-library/react',
-  ],
-
   env: {
     browser: true,
     commonjs: true,
@@ -118,6 +112,17 @@ module.exports = {
         '@typescript-eslint/no-useless-constructor': 'warn',
       },
     },
+    {
+      files: [
+        '**/__tests__/**/*.{js,jsx,ts,tsx}',
+        '**/*.{spec,test}.{js,jsx,ts,tsx}',
+      ],
+      extends: [
+        'plugin:jest/recommended',
+        'plugin:jest-dom/recommended',
+        'plugin:testing-library/react',
+      ],
+    },
   ],
 
   // NOTE: When adding rules here, you need to make sure they are compatible with