.eslintrc

{
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "node": true,
    "mocha": true,
    "es6": true
  },
  "ecmaFeatures": {
    "arrowFunctions": true,
    "blockBindings": true,
    "classes": true,
    "defaultParams": true,
    "destructuring": true,
    "modules": true,
    "objectLiteralComputedProperties": true,
    "objectLiteralShorthandMethods": true,
    "objectLiteralShorthandProperties": true,
    "restParams": true,
    "spread": true,
    "superInFunctions": true,
    "templateStrings": true
  },
  "rules": {
    "arrow-spacing": [
      2,
      {
        "before": true,
        "after": true
      }
    ],
    "block-spacing": [
      2,
      "always"
    ],
    "brace-style": [
      2,
      "1tbs",
      {
        "allowSingleLine": true
      }
    ],
    "camelcase": [
      2,
      {
        "properties": "always"
      }
    ],
    "comma-dangle": [
      2,
      "always-multiline"
    ],
    "comma-spacing": [
      2,
      {
        "before": false,
        "after": true
      }
    ],
    "comma-style": [
      2,
      "last"
    ],
    "constructor-super": 2,
    "curly": [
      2,
      "multi-line"
    ],
    "dot-location": [
      2,
      "property"
    ],
    "eol-last": 2,
    "eqeqeq": [
      2,
      "smart"
    ],
    "generator-star-spacing": [
      2,
      {
        "before": true,
        "after": true
      }
    ],
    "handle-callback-err": [
      2,
      "^(err|error)$"
    ],
    "indent": [
      2,
      2,
      {
        "SwitchCase": 1
      }
    ],
    "jsx-quotes": [
      2,
      "prefer-double"
    ],
    "key-spacing": [
      2,
      {
        "beforeColon": false,
        "afterColon": true
      }
    ],
    "new-cap": [
      2,
      {
        "newIsCap": true,
        "capIsNew": false
      }
    ],
    "new-parens": 2,
    "no-array-constructor": 2,
    "no-caller": 2,
    "no-class-assign": 2,
    "no-cond-assign": 2,
    "no-const-assign": 2,
    "no-control-regex": 2,
    "no-debugger": 1,
    "no-delete-var": 2,
    "no-dupe-args": 2,
    "no-dupe-class-members": 2,
    "no-dupe-keys": 2,
    "no-duplicate-case": 2,
    "no-duplicate-imports": 2,
    "no-empty-character-class": 2,
    "no-empty-pattern": 2,
    "no-else-return": [
      2
    ],
    "no-eval": 2,
    "no-ex-assign": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-extra-boolean-cast": 2,
    "no-extra-parens": [
      2,
      "functions"
    ],
    "no-fallthrough": 2,
    "no-floating-decimal": 2,
    "no-func-assign": 2,
    "no-implied-eval": 2,
    "no-inner-declarations": [
      2,
      "functions"
    ],
    "no-invalid-regexp": 2,
    "no-irregular-whitespace": 2,
    "no-iterator": 2,
    "no-label-var": 2,
    "no-labels": [
      2
    ],
    "no-lone-blocks": 2,
    "no-mixed-spaces-and-tabs": 2,
    "no-multi-spaces": 2,
    "no-multi-str": 2,
    "no-multiple-empty-lines": [
      2,
      {
        "max": 1
      }
    ],
    "no-native-reassign": 2,
    "no-negated-in-lhs": 2,
    "no-new": 2,
    "no-new-func": 2,
    "no-new-object": 2,
    "no-new-require": 2,
    "no-new-symbol": 2,
    "no-new-wrappers": 2,
    "no-obj-calls": 2,
    "no-octal": 2,
    "no-octal-escape": 2,
    "no-path-concat": 2,
    "no-proto": 2,
    "no-redeclare": 2,
    "no-regex-spaces": 2,
    "no-return-assign": [
      2,
      "except-parens"
    ],
    "no-self-assign": 2,
    "no-self-compare": 2,
    "no-sequences": 2,
    "no-shadow-restricted-names": 2,
    "no-spaced-func": 2,
    "no-sparse-arrays": 2,
    "no-this-before-super": 2,
    "no-throw-literal": 2,
    "no-trailing-spaces": 2,
    "no-undef": 2,
    "no-undef-init": 2,
    "no-unexpected-multiline": 2,
    "no-unmodified-loop-condition": 2,
    "no-unneeded-ternary": [
      2,
      {
        "defaultAssignment": false
      }
    ],
    "no-unreachable": 2,
    "no-unsafe-finally": 2,
    "no-unused-vars": [
      2,
      {
        "vars": "all",
        "args": "after-used"
      }
    ],
    "no-useless-call": 2,
    "no-useless-computed-key": 2,
    "no-useless-constructor": 2,
    "no-useless-escape": 2,
    "no-whitespace-before-property": 2,
    "no-with": 2,
    "one-var": [
      2,
      {
        "initialized": "never"
      }
    ],
    "operator-linebreak": [
      2,
      "after",
      {
        "overrides": {
          "?": "before",
          ":": "before"
        }
      }
    ],
    "padded-blocks": [
      2,
      "true"
    ],
    "quotes": [
      2,
      "single",
      "avoid-escape"
    ],
    "semi": [
      2,
      "never"
    ],
    "semi-spacing": [
      2,
      {
        "before": false,
        "after": true
      }
    ],
    "space-before-blocks": [
      2,
      "always"
    ],
    "space-before-function-paren": [
      "error",
      {
        "anonymous": "ignore",
        "named": "never"
      }
    ],
    "space-in-parens": [
      2,
      "never"
    ],
    "space-infix-ops": 2,
    "space-unary-ops": [
      2,
      {
        "words": true,
        "nonwords": false
      }
    ],
    "spaced-comment": [
      2,
      "always",
      {
        "markers": [
          "global",
          "globals",
          "eslint",
          "eslint-disable",
          "*package",
          "!",
          ","
        ]
      }
    ],
    "template-curly-spacing": [
      2,
      "never"
    ],
    "use-isnan": 2,
    "valid-typeof": 2,
    "wrap-iife": [
      2,
      "any"
    ],
    "yield-star-spacing": [
      2,
      "both"
    ],
    "yoda": [
      2,
      "never"
    ],
    "keyword-spacing": [
      2,
      {
        "before": false,
        "after": true,
        "overrides": {
          "from": {
            "before": true
          },
          "return": {
            "before": true
          },
          "else": {
            "before": true
          },
          "catch": {
            "before": true
          },
          "as": {
            "before": true
          }
        }
      }
    ]
  }
}