.eslintrc.json

{
  "parser": "babel-eslint",
  "extends": "airbnb",
  "env": {
    "browser": true,
    "node": true
  },
  "globals": {
    "NProgress": true
  },
  "rules": {
    //because no hot-reload
    "react/prefer-stateless-function": 0,
    "no-param-reassign": 0,
    "no-warning-comments": 1,
    "new-cap": 0,
    "max-len": ["error", 120],
    "no-confusing-arrow": 0,
    "no-console": [2, { "allow": ["warn", "error"] }],
    "brace-style": [2, "stroustrup"],
    "indent": [2, 2, { "SwitchCase": 1}],
    "new-cap": [2, { "properties": false }],
    "consistent-return": 0,
    "prefer-const": ["error", {
        "destructuring": "all"
    }],
    "no-class-assign": 0,
    "no-use-before-define": [
      2, "nofunc"
    ],
    "no-underscore-dangle": [
      2,
      {
        "allow": [
          "_getCss",
          "_insertCss",
          "_id"
        ]
      }
    ],
    "space-before-function-paren": [1, "never"],
    "no-trailing-spaces": [
      "error",
      {
      "skipBlankLines": true
      }
    ],
    "react/jsx-quotes": 0,
    "jsx-quotes": [
      2,
      "prefer-double"
    ]
  }
}