.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true,
    "node": true,
    "jest": true
  },
  "extends": ["react-app", "airbnb", "prettier", "prettier/react"],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "plugins": ["import", "prettier", "react"],
  "rules": {
    "prettier/prettier": [
      "error",
      {
        "printWidth": 120,
        "tabWidth": 2,
        "useTabs": false,
        "semi": true,
        "singleQuote": true,
        "arrowParens": "always",
        "trailingComma": "all",
        "jsxBracketSameLine": true,
        "jsxSingleQuote": true
      }
    ],
    "class-methods-use-this": [
      "warn",
      {
        "exceptMethods": [
          "componentDidCatch",
          "componentDidMount",
          "componentDidUpdate",
          "componentWillMount",
          "componentWillReceiveProps",
          "componentWillUnmount",
          "componentWillUpdate",
          "render",
          "shouldComponentUpdate"
        ]
      }
    ],
    "no-alert": "error",
    "no-await-in-loop": "warn",
    "no-console": "off",
    "no-continue": "off",
    "no-param-reassign": "off",
    "no-plusplus": "off",
    "no-restricted-syntax": ["off", "ForOfStatement"],
    "no-underscore-dangle": "off",
    "no-nested-ternary": "off",
    "no-use-before-define": ["error", "nofunc"],
    "guard-for-in": "off",
    "global-require": "off",
    "arrow-body-style": "off",
    "prefer-template": "off",
    "spaced-comment": "off",
    "react/jsx-filename-extension": ["error", { "extensions": [".js", ".jsx"] }],
    "react/destructuring-assignment": "off",
    "react/no-multi-comp": "off",
    "react/no-array-index-key": "off",
    "react/no-did-update-set-state": "off",
    "import/prefer-default-export": "off",
    "jsx-a11y/anchor-is-valid": [
      "error",
      {
        "components": ["Link"],
        "specialLink": ["to"]
      }
    ]
  },
  "settings": {
    "import/resolver": {
      "node": {
        "moduleDirectory": ["node_modules", "src/"]
      }
    }
  }
}