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.eslintrc.js

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+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": {
+    "object-curly-spacing": ["always"],
+    "no-unused-vars": ["warn"],
+    "no-console": "off",
+    "indent": ["error", 2, { "SwitchCase": 1 }],
+    "no-trailing-spaces": ["warn"],
+    "no-multi-spaces": ["warn"],
+    "space-infix-ops": ["warn"],
+    "keyword-spacing": ["warn"]
+  }
+};