Add missing jest-dom prefix to config (fixes testing-library#10)

Author: nickserv

lib/index.js

@@ -20,7 +20,9 @@ module.exports.rules = requireIndex(__dirname + '/rules');
 module.exports.generateRecommendedConfig = rules => {
   return Object.entries(rules).reduce(
     (memo, [name, rule]) =>
-      rule.meta.docs.recommended ? { ...memo, [name]: 'error' } : memo,
+      rule.meta.docs.recommended
+        ? { ...memo, [`jest-dom/${name}`]: 'error' }
+        : memo,
     {}
   );
 };

tests/index.test.js

@@ -10,5 +10,5 @@ it('should have a recommended config with recommended rules', () => {
       good: { meta: { docs: { recommended: true } } },
       bad: { meta: { docs: { recommended: false } } },
     })
-  ).toEqual({ good: 'error' });
+  ).toEqual({ 'jest-dom/good': 'error' });
 });