eslint config

.eslintrc.cjs

@@ -0,0 +1,28 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2021: true
+  },
+  extends: 'eslint:recommended',
+  overrides: [
+    {
+      env: {
+        node: true
+      },
+      files: ['.eslintrc.{js,cjs}'],
+      parserOptions: {
+        sourceType: 'script'
+      }
+    }
+  ],
+  parserOptions: {
+    ecmaVersion: 'latest',
+    sourceType: 'module'
+  },
+  rules: {
+    indent: ['error', 2],
+    'linebreak-style': ['error', 'unix'],
+    quotes: ['error', 'single'],
+    semi: ['error', 'never']
+  }
+}

package.json

@@ -34,6 +34,7 @@
     "@playwright/test": "^1.40.0",
     "@rollup/plugin-commonjs": "^25.0.7",
     "@rollup/plugin-node-resolve": "^15.2.3",
+    "eslint": "^8.56.0",
     "http-server": "^14.1.1",
     "playwright": "^1.40.0",
     "prettier": "^3.0.3",