Add no-unassigned-vars rule

https://eslint.org/docs/latest/rules/no-unassigned-vars

Author: sindresorhus

index.js

@@ -632,6 +632,7 @@ const rules = {
 	'no-dupe-class-members': 'error',
 	'no-new-native-nonconstructor': 'error',
 	'no-this-before-super': 'error',
+	'no-unassigned-vars': 'error',
 	'no-useless-computed-key': [
 		'error',
 		{

package.json

@@ -67,9 +67,9 @@
 	},
 	"devDependencies": {
 		"ava": "^6.2.0",
-		"eslint": "^9.25.1"
+		"eslint": "^9.27.0"
 	},
 	"peerDependencies": {
-		"eslint": ">=9.25.0"
+		"eslint": ">=9.27.0"
 	}
 }