.eslintrc.json

{
  "env": {
    "browser": true,
    "node": true,
    "es6": true
  },
  "settings": {
    "propWrapperFunctions": [
      "forbidExtraProps",
      {
        "property": "freeze",
        "object": "Object"
      },
      {
        "property": "myFavoriteWrapper"
      }
    ]
  },
  "extends": ["airbnb-base"],
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 8,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true,
      "modules": true,
      "experimentalObjectRestSpread": true
    }
  },
  "rules": {
    "no-restricted-syntax": [
      2,
      "WithStatement",
      "BinaryExpression[operator='in']"
    ],
    "object-curly-newline": [
      2,
      {
        "ObjectPattern": "never",
        "ImportDeclaration": "never",
        "ExportDeclaration": "never"
      }
    ],
    "padding-line-between-statements": [
      2,
      {
        "blankLine": "any",
        "prev": ["export", "import"],
        "next": ["export", "import"]
      }
    ],
    "max-params": [2, 3],
    "max-lines": [2, { "max": 200, "skipComments": true }],
    "max-lines-per-function": [2, { "max": 50, "skipBlankLines": true }],
    "lines-between-class-members": [2, "always"],
    "import/default": 0,
    "implicit-arrow-linebreak": [0, "beside"],
    "arrow-body-style": [0, "as-needed"],
    "max-len": [2, { "code": 120 }],
    "max-statements-per-line": [2, { "max": 1 }],
    "import/no-duplicates": 0,
    "import/no-extraneous-dependencies": 0,
    "import/extensions": 0,
    "import/named": 0,
    "object-curly-spacing": [2, "always"],
    "template-curly-spacing": [2, "always"],
    "import/namespace": 0,
    "import/no-unresolved": 0,
    "import/no-named-as-default": 0,
    "import/prefer-default-export": 0,
    "comma-dangle": 0,
    "indent": [
      2,
      2,
      {
        "SwitchCase": 1
      }
    ],
    "no-console": 0,
    "no-alert": 0,
    "semi": 2,
    "no-var": 2,
    "no-return-assign": 0,
    "space-before-blocks": 2,
    "keyword-spacing": 2,
    "no-global-assign": 0,
    "no-unsafe-negation": 0,
    "space-in-parens": ["error", "never"],
    "eol-last": 0,
    "no-return-await": 0,
    "no-trailing-spaces": 0,
    "padded-blocks": 0,
    "arrow-parens": 0,
    "no-use-before-define": [2, { "functions": true, "classes": true }],
    "prefer-arrow-callback": 2,
    "no-param-reassign": [
      2,
      {
        "props": false
      }
    ],
    "linebreak-style": 0,
    "class-methods-use-this": 0
  }
}