.eslintrc

{
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "node": true,
    "es6": true
  },
  "rules": {
    "quotes": [2, "single"],
    "no-mixed-requires": [0],
    "no-underscore-dangle": [0],
    "eqeqeq": [2, "smart"],
    "no-unused-vars": [2, {"vars": "all", "args": "after-used"}],
    "handle-callback-err": [2],
    "no-path-concat": [2],
    "block-spacing": [2, "always"],
    "brace-style": [2, "1tbs", { "allowSingleLine": true }],
    "comma-spacing": [2, {"before": false, "after": true}],
    "consistent-this": [2, "self"],
    "eol-last": [2],
    "func-style": [2, "expression", { "allowArrowFunctions": true }],
    "indent": [2, 2, {"SwitchCase": 1, "VariableDeclarator": { "var": 2, "let": 2, "const": 3}}],
    "key-spacing": [2, {"beforeColon": false, "afterColon": true}],
    "new-cap": [2, {"capIsNew": false}],
    "semi": [2, "always"],
    "no-undef": [2]
  }
}