Index: frontend/node_modules/reusify/eslint.config.js
===================================================================
--- frontend/node_modules/reusify/eslint.config.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/reusify/eslint.config.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,14 @@
+'use strict'
+
+const base = require('neostandard')({})
+
+module.exports = [
+  ...base,
+  {
+    name: 'old-standard',
+    rules: {
+      'no-var': 'off',
+      'object-shorthand': 'off',
+    }
+  }
+]