first commit.

eslint.config.mjs

@@ -0,0 +1,17 @@
+import presetsPrettier from '@cybozu/eslint-config/flat/presets/react-typescript-prettier.js';
+import globals from 'globals';
+
+/** @type {import("eslint").Linter.Config[]} */
+export default [
+  ...presetsPrettier,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.node,
+      },
+    },
+    rules: {
+      'spaced-comment': ['error', 'always', { markers: ['/'] }],
+    },
+  },
+];