.eslintrc

{
  "parser": "babel-eslint",
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 6
  },
  "env": {
    "es6": true,
    "browser": true,
    "commonjs": true,
    "jest": true
  },
  "plugins": [
    "jest"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:jest/recommended"
  ],
  "rules": {
    "curly": "error",
    "eqeqeq": "error",
    "no-alert": "error",
    "no-console": "warn",
    "no-array-constructor": "error",
    "no-cond-assign": ["error", "always"],
    "no-eval": "error",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-implicit-coercion": ["error", { "boolean": false }],
    "no-implied-eval": "error",
    "no-lone-blocks": "error",
    "no-native-reassign": "error",
    "no-negated-condition": "error",
    "no-new-func": "error",
    "no-new-object": "error",
    "no-new-wrappers": "error",
    "no-script-url": "error",
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-throw-literal": "error",
    "no-unneeded-ternary": "error",
    "no-unused-expressions": "error",
    "no-useless-call": "error",
    "no-useless-concat": "error",
    "one-var": ["error", "never"],
    "prefer-arrow-callback": ["error", { "allowNamedFunctions": true }],
    "radix": "error",
    "yoda": "error"
  }
}