.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true
  },
  "extends": "eslint:recommended",
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module"
  },
  "rules": {
    "curly": 2,
    "no-empty": 2,
    "new-caps": {
      "newIsCap": true,
      "capIsNew": true,
      "newIsCapExceptions": [
        "autoComplete"
      ]
    },
    "no-constant-condition": 1,
    "no-mixed-spaces-and-tabs": [
      "error",
      "smart-tabs"
    ],
    "no-mixed-operators": 2,
    "no-nested-ternary": 0,
    "no-console": 2,
    "prefer-const": 2,
    "no-useless-escape": 2,
    "eqeqeq": 2,
    "no-alert": 2,
    "no-empty-function": 2,
    "no-multi-spaces": 2,
    "wrap-iife": 2,
    "no-unused-vars": 2,
    "no-use-before-define": 2,
    "comma-dangle": 0,
    "max-params": [
      "error",
      6
    ],
    "no-inline-comments": 0,
    "no-trailing-spaces": 2,
    "no-underscore-dangle": 2,
    "spaced-comment": 2,
    "no-var": 2,
    "no-duplicate-imports": 2,
    "max-len": [
      "error",
      {
        "code": 110
      }
    ],
    "indent": [
      "error",
      2,
      {
        "SwitchCase": 1
      }
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "quotes": [
      "error",
      "double"
    ],
    "semi": [
      "error",
      "always"
    ]
  }
}