.eslintrc

{
  "parser": "babel-eslint",
  "env": {
    "es6": true
  },
  "parserOptions": {
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true,
      "experimentalObjectRestSpread": true
    }
  },
  "rules": {
    "accessor-pairs": 2,
    "array-callback-return": 2,
    "block-scoped-var": 2,
    "brace-style": [2, 1tbs],
    "callback-return": 2,
    "comma-dangle": [2, never],
    "complexity": [2, 8],
    "curly": 2,
    "dot-location": [2, property],
    "dot-notation": 2,
    "default-case": 2,
    "eol-last": 2,
    "eqeqeq": 2,
    "indent": [2, 2, {SwitchCase: 1}],
    "keyword-spacing": 2,
    "max-depth": [2, 6],
    "max-len": [2, 120, 4],
    "max-statements": ["error", 40, { "ignoreTopLevelFunctions": true }],
    "no-alert": 2,
    "no-bitwise": 0,
    "no-cond-assign": 2,
    "no-console": 0,
    "no-dupe-args": 2,
    "no-dupe-keys": 2,
    "no-duplicate-case": 2,
    "no-dupe-class-members": 2,
    "no-empty": 2,
    "no-empty-function": 2,
    "no-eq-null": 2,
    "no-eval": 2,
    "no-ex-assign": 2,
    "no-extend-native": 2,
    "no-extra-boolean-cast": 2,
    "no-extra-parens": 2,
    "no-extra-semi": 2,
    "no-fallthrough": 2,
    "no-floating-decimal": 2,
    "no-func-assign": 2,
    "no-implied-eval": 2,
    "no-implicit-globals": 2,
    "no-inner-declarations": [2, "both"],
    "no-invalid-regexp": 2,
    "no-irregular-whitespace": 2,
    "no-iterator": 2,
    "no-lone-blocks": 2,
    "no-loop-func": 2,
    "no-multi-spaces": 0,
    "no-multi-str": 2,
    "no-negated-in-lhs": 2,
    "no-new": 2,
    "no-new-func": 2,
    "no-new-wrappers": 2,
    "no-obj-calls": 2,
    "no-redeclare": 2,
    "no-regex-spaces": 2,
    "no-restricted-syntax": [2, WithStatement],
    "no-sparse-arrays": 2,
    "no-unexpected-multiline": 2,
    "no-unsafe-finally": 2,
    "no-unreachable": 2,
    "no-unused-expressions": 0,
    "no-unused-vars": [2, {args: none}],
    "no-void": 2,
    "no-undefined": 2,
    "prefer-const": 2,
    "prefer-template": 2,
    "quotes": [2, single, avoid-escape],
    "semi": [2, "always"],
    "space-before-blocks": 2,
    "strict": [2, global],
    "use-isnan": 2,
    "valid-jsdoc": 2,
    "valid-typeof": 2,
    "vars-on-top": 2,
    "wrap-iife": 2
  }
}