.eslintrc

{
  "env": {
    "browser": true,
    "es6": true,
    "node": true,
    "jest": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended"
  ],
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 6,
    "ecmaFeatures": {
      "classes": true,
      "experimentalObjectRestSpread": true,
      "jsx": true
    },
    "sourceType": "module"
  },
  "plugins": [
    "react"
  ],
  "rules": {
    "max-len": [
      "error",
      120
    ],
    "no-use-before-define": [
      "error",
      "nofunc"
    ],
    "strict": [
      2,
      "safe"
    ],
    "no-debugger": 2,
    "brace-style": [
      2,
      "1tbs",
      {
        "allowSingleLine": true
      }
    ],
    "no-trailing-spaces": 2,
    "keyword-spacing": 2,
    "spaced-comment": [
      2,
      "always"
    ],
    "vars-on-top": 2,
    "no-undef": 2,
    "no-undefined": 2,
    "comma-dangle": [
      2,
      "never"
    ],
    "quotes": [
      2,
      "single"
    ],
    "semi": [
      2,
      "always"
    ],
    "guard-for-in": 2,
    "no-eval": 2,
    "no-with": 2,
    "valid-typeof": 2,
    "no-unused-vars": 2,
    "no-continue": 1,
    "no-extra-semi": 1,
    "no-unreachable": 1,
    "no-unused-expressions": 1,
    "react/prefer-es6-class": 1,
    "react/prop-types": 0
  }
}