.eslintrc.json

{
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "es6": true
  },
  "plugins": ["react", "import", "react-hooks"],
  "settings": {
    "react": {
      "version": "detect"
    },
    "import/resolver": {
      "node": {
        "extensions": [".js", ".jsx", ".json"]
      }
    }
  },
  "parserOptions": {
    "ecmaVersion": 8,
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "extends": [
    "react-app",
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:import/recommended",
    "plugin:prettier/recommended"
  ],
  "rules": {
    "no-console": "off",
    "no-param-reassign": "error",
    "no-var": "error",
    "no-unused-vars": "error",
    "react/jsx-filename-extension": [
      "error",
      {
        "extensions": [".js", ".tsx"]
      }
    ],
    "react/no-unescaped-entities": "off",
    "react/prop-types": "off",
    "react/display-name": "off",
    "react/jsx-fragments": ["error", "syntax"],
    "react/jsx-no-comment-textnodes": "error",
    "import/no-duplicates": "error",
    "import/no-named-as-default": "error",
    "import/no-named-as-default-member": "error",
    "import/no-mutable-exports": "error",
    "import/first": "error",
    "react-hooks/rules-of-hooks": "error",
    "react-hooks/exhaustive-deps": "off",
    // To improve dev startup time
    // https://mui.com/guides/minimizing-bundle-size/#development-environment
    "no-restricted-imports": [
      "error",
      {
        "patterns": ["@mui/*/*/*", "!@mui/material/test-utils/*"]
      }
    ]
  }
}