.eslintrc.json

{
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true,
    "node": true,
    "jest": true
  },
  "extends": "airbnb-base",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": false
    },
    "sourceType": "module"
  },
  "rules": {
    "no-console": "off",
    "no-const-assign": "warn",
    "no-this-before-super": "warn",
    "no-undef": "warn",
    "no-unreachable": "warn",
    "no-unused-vars": "warn",
    "no-unused-expressions": 0,
    "constructor-super": "warn",
    "valid-typeof": "warn",
    "semi": 0,
    "arrow-parens": 0,
    "class-methods-use-this": [0],
    "indent": ["error", 2, {
      "SwitchCase": 1
    }],
    "no-class-assign": 0,
    "import/extensions": [0],
    "no-underscore-dangle": 0,
    "camelcase": 0,
    "no-plusplus": ["error", {
      "allowForLoopAfterthoughts": true
    }],
    "radix": [0],
    "no-trailing-spaces": ["error", {
      "skipBlankLines": true
    }],
    "consistent-return": 0,
    "object-property-newline": 0,
    "space-before-function-paren": 0,
    "import/no-extraneous-dependencies": 0,
    "no-useless-escape": 0,
    "no-param-reassign": 0
  }
}