.eslintrc

{
  "parser": "babel-eslint",
  "plugins": ["babel"],
  "env": {
    "browser": true,
    "es6": true
  },
  "ecmaFeatures": {
    "experimentalObjectRestSpread": true,
    "modules": true
  },
  "rules": {
    "babel/arrow-parens": [2, "always"],
    "no-underscore-dangle": 0,
    "strict": [2, "global"],
    "eqeqeq": [2, "smart"],
    "no-undef": 2,
    "no-console": 1,
    "no-nested-ternary": 2,
    "indent": [2, 2],
    "quotes": [2, "single"],
    "brace-style": [2, "1tbs", { "allowSingleLine": true }],
    "object-curly-spacing": [2, "always"],
    "eol-last": 2,
    "padded-blocks": [2, "never"],
    "space-before-function-paren": [2, { "anonymous": "always", "named": "never" }],
    "space-before-blocks": [2, "always"]
  }
}