.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true
  },
  "parser": "babel-eslint",
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:prettier/recommended",
    "plugin:import/errors",
    "plugin:import/warnings"
  ],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "plugins": ["react", "prettier", "import"],
  "rules": {
    "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
    "react/state-in-constructor": "off",
    "prettier/prettier": [
      "error",
      {
        "endOfLine": "auto"
      }
    ]
  },
  "settings": {
    "import/resolver": {
      "node": {
        "moduleDirectory": ["node_modules", "src"],
        "extensions": [".js", ".jsx", ".ts", ".tsx"]
      }
    }
  }
}