.eslintrc

{
  "extends": "eslint:recommended",
  "env": {
    "node": true,
    "es6": true
  },
  "parserOptions": {
      "ecmaVersion": 6
  },
  "ecmaFeatures": {
    "arrowFunctions": true,
    "blockBindings": true,
    "classes": true,
    "defaultParams": true,
    "destructuring": true,
    "forOf": true,
    "generators": false,
    "modules": false,
    "objectLiteralComputedProperties": true,
    "objectLiteralDuplicateProperties": false,
    "objectLiteralShorthandMethods": true,
    "objectLiteralShorthandProperties": true,
    "restParams": true,
    "spread": true,
    "superInFunctions": true,
    "templateStrings": true,
    "jsx": true
  },
  "rules": {
    // overrides from 'recommended'
    "comma-dangle": 0,
    "no-console": 0,

    // strict
    "strict": [2, "global"],

    // formatting, spaces, operators
    "indent": [2, 2, {"SwitchCase": 1}],
    "quotes": [2, "single"],
    "keyword-spacing": [2, {"after": true}],
    "space-before-blocks": [2, "always"],
    "dot-location": [2, "property"],
    "space-infix-ops": 2,
    "key-spacing": [2, {"beforeColon": false, "afterColon": true, "mode": "minimum"}],
    "operator-linebreak": [2, "after"],
    "no-spaced-func": 2,
    "comma-spacing": [1, {"before": false, "after": true}],
    "no-multiple-empty-lines": [2, {"max": 2}],
    "camelcase": [0, {"properties": "never"}],
    "space-before-function-paren": [0, "never"],

    // coding style
    "curly": 2,
    "wrap-iife": [2, "inside"],
    "eqeqeq": 2,
    "no-use-before-define": [2, "nofunc"],
    "no-unused-vars": 2,
    "no-unexpected-multiline": 2,
    "no-multi-str": 2,
    "no-irregular-whitespace": 2,

    // os/git options
    "no-trailing-spaces": 2,
    "linebreak-style": [2, "unix"],
    "eol-last": 2
  }
}