.eslintrc.json

{
  "parserOptions": {
    "ecmaVersion": 6
  },
  "env": {
    "node": true,
    "es6": true
  },
  "rules": {
    "comma-dangle": [2, "never"],
    "no-debugger": 2,
    "no-cond-assign": 2,
    "no-constant-condition": 2,
    "no-dupe-keys": 2,
    "no-duplicate-case": 2,
    "no-empty": 2,
    "no-ex-assign": 2,
    "no-extra-boolean-cast": 2,
    "no-extra-parens": 2,
    "no-func-assign": 2,
    "no-invalid-regexp": 2,
    "no-negated-in-lhs": 2,
    "no-obj-calls": 2,
    "no-regex-spaces": 2,
    "no-sparse-arrays": 2,
    "no-unexpected-multiline": 2,
    "no-unreachable": 2,
    "no-unsafe-finally": 2,
    "use-isnan": 2,
    "valid-typeof": 2,

    "accessor-pairs": 2,
    "curly": [2, "multi-line", "consistent"],
    "dot-location": [2, "property"],
    "dot-notation": 2,
    "eqeqeq": [2, "allow-null"],
    "no-alert": 2,
    "no-caller": 2,
    "no-else-return": 2,
    "no-eval": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-fallthrough": 2,
    "no-floating-decimal": 2,
    "no-implicit-globals": 2,
    "no-implied-eval": 2,
    "no-iterator": 2,
    "no-labels": 2,
    "no-lone-blocks": 2,
    "no-magic-numbers": [1, {
      "ignore": [-1, 0, 1, 2, 3, 4, 5, 6, 7, 8]
    }],
    "no-multi-spaces": 2,
    "no-multi-str": 2,
    "no-native-reassign": 2,
    "no-new": 2,
    "no-new-func": 2,
    "no-new-wrappers": 2,
    "no-octal": 2,
    "no-octal-escape": 2,
    "no-proto": 2,
    "no-redeclare": 2,
    "no-return-assign": [2, "always"],
    "no-script-url": 2,
    "no-self-assign": 2,
    "no-self-compare": 2,
    "no-sequences": 2,
    "no-throw-literal": 2,
    "no-unmodified-loop-condition": 2,
    "no-unused-expressions": 2,
    "no-useless-call": 2,
    "no-useless-concat": 2,
    "no-useless-escape": 2,
    "no-void": 2,
    "no-warning-comments": [1, {
      "terms": ["todo", "fixme", "xxx"],
      "location": "start"
    }],
    "no-with": 2,
    "wrap-iife": [2, "inside"],
    "yoda": [2, "never"],

    "strict": 2,
    "no-catch-shadow": 2,
    "no-undef": 2,
    "no-unused-vars": 2,
    "callback-return": 2,
    "handle-callback-err": 2,
    "no-path-concat": 2,

    "array-bracket-spacing": 2,
    "block-spacing": 2,
    "brace-style": 2,
    "camelcase": 2,
    "comma-spacing": 2,
    "comma-style": 2,
    "computed-property-spacing": 2,
    "eol-last": 2,
    "func-names": [2, "never"],
    "func-style": [2, "expression"],
    "indent": [2, 2, {"SwitchCase": 1}],
    "key-spacing": 2,
    "keyword-spacing": 2,
    "linebreak-style": 2,
    "new-cap": 2,
    "new-parens": 2,
    "no-array-constructor": 2,
    "no-lonely-if": 2,
    "no-mixed-spaces-and-tabs": 2,
    "no-multiple-empty-lines": [2, {"max": 2}],
    "no-negated-condition": 2,
    "no-new-object": 2,
    "no-spaced-func": 2,
    "no-trailing-spaces": 2,
    "no-unneeded-ternary": 2,
    "no-whitespace-before-property": 2,
    "object-curly-spacing": 2,
    "operator-linebreak": [2, "after"],
    "quote-props": [2, "as-needed"],
    "quotes": [2, "single", {
      "avoidEscape": true,
      "allowTemplateLiterals": true
    }],
    "semi": [2, "always"],
    "semi-spacing": 2,
    "space-before-blocks": 2,
    "space-before-function-paren": [2, "never"],
    "space-in-parens": 2,
    "space-infix-ops": 2,
    "space-unary-ops": 2,
    "spaced-comment": 2,

    "arrow-parens": [2, "as-needed"],
    "arrow-spacing": 2,
    "constructor-super": 2,
    "generator-star-spacing": [2, "after"],
    "no-class-assign": 2,
    "no-dupe-class-members": 2,
    "no-new-symbol": 2,
    "no-this-before-super": 2,
    "no-useless-computed-key": 2,
    "no-useless-constructor": 2,
    "object-shorthand": [2, "always", {"ignoreConstructors": true}],
    "prefer-arrow-callback": 1,
    "prefer-const": 2,
    "prefer-template": 1,
    "require-yield": 2,
    "template-curly-spacing": 2,
    "yield-star-spacing": [2, "after"]
  }
}