.eslintrc

{
  "parser": "babel-eslint",
  "rules": {
    "space-before-function-paren": [2, { "named": "never" }],
    "no-shadow-restricted-names":  [2],
    "computed-property-spacing":   [2],
    "no-empty-character-class":    [2],
    "no-irregular-whitespace":     [2],
    "no-unexpected-multiline":     [2],
    "no-multiple-empty-lines":     [2],
    "space-return-throw-case":     [2],
    "prefer-arrow-callback":       [2],
    "no-constant-condition":       [2],
    "no-dupe-class-members":       [2],
    "no-extra-boolean-cast":       [2],
    "no-inner-declarations":       [2],
    "no-this-before-super":        [2],
    "no-use-before-define":        [2],
    "no-array-constructor":        [2],
    "object-curly-spacing":        [2, "always"],
    "no-floating-decimal":         [2],
    "no-warning-comments":         [2],
    "handle-callback-err":         [2],
    "no-unneeded-ternary":         [2],
    "operator-assignment":         [2],
    "space-before-blocks":         [2],
    "no-native-reassign":          [2],
    "no-trailing-spaces":          [2],
    "operator-linebreak":          [2, "after"],
    "consistent-return":           [2],
    "no-duplicate-case":           [2],
    "no-invalid-regexp":           [2],
    "no-negated-in-lhs":           [2],
    "constructor-super":           [2],
    "no-nested-ternary":           [2],
    "no-extend-native":            [2],
    "block-scoped-var":            [2],
    "no-control-regex":            [2],
    "no-sparse-arrays":            [2],
    "no-throw-literal":            [2],
    "no-return-assign":            [2],
    "object-shorthand":            [2],
    "no-const-assign":             [2],
    "no-class-assign":             [2],
    "no-extra-parens":             [2],
    "no-regex-spaces":             [2],
    "no-implied-eval":             [2],
    "no-useless-call":             [2],
    "no-self-compare":             [2],
    "no-octal-escape":             [2],
    "no-new-wrappers":             [2],
    "no-process-exit":             [2],
    "linebreak-style":             [2],
    "space-infix-ops":             [2],
    "space-unary-ops":             [2],
    "no-cond-assign":              [2],
    "no-func-assign":              [2],
    "no-unreachable":              [2],
    "accessor-pairs":              [2],
    "no-empty-label":              [2],
    "no-fallthrough":              [2],
    "no-path-concat":              [2],
    "no-new-require":              [2],
    "no-spaced-func":              [2],
    "no-unused-vars":              [2],
    "spaced-comment":              [2],
    "block-spacing":               [2],
    "no-delete-var":               [2],
    "comma-spacing":               [2],
    "no-extra-semi":               [2],
    "no-extra-bind":               [2],
    "arrow-spacing":               [2],
    "prefer-spread":               [2],
    "no-new-object":               [2],
    "no-multi-str":                [2],
    "semi-spacing":                [2],
    "no-lonely-if":                [2],
    "dot-notation":                [2],
    "dot-location":                [2, "property"],
    "comma-dangle":                [2, "never"],
    "no-dupe-args":                [2],
    "no-dupe-keys":                [2],
    "no-ex-assign":                [2],
    "no-obj-calls":                [2],
    "valid-typeof":                [2],
    "default-case":                [2],
    "no-redeclare":                [2],
    "no-div-regex":                [2],
    "no-sequences":                [2],
    "no-label-var":                [2],
    "comma-style":                 [2],
    "brace-style":                 [2],
    "no-debugger":                 [2],
    "quote-props":                 [2, "consistent-as-needed"],
    "no-iterator":                 [2],
    "no-new-func":                 [2],
    "key-spacing":                 [2, { "align": "value" }],
    "complexity":                  [2],
    "new-parens":                  [2],
    "no-eq-null":                  [2],
    "no-bitwise":                  [2],
    "wrap-iife":                   [2],
    "no-caller":                   [2],
    "use-isnan":                   [2],
    "no-labels":                   [2],
    "no-shadow":                   [2],
    "camelcase":                   [2],
    "eol-last":                    [2],
    "no-octal":                    [2],
    "no-empty":                    [2],
    "no-alert":                    [2],
    "no-proto":                    [2],
    "no-undef":                    [2],
    "no-eval":                     [2],
    "no-with":                     [2],
    "no-void":                     [2],
    "max-len":                     [2, 80],
    "new-cap":                     [2],
    "eqeqeq":                      [2],
    "no-new":                      [2],
    "quotes":                      [2, "single"],
    "no-var":                      [2],
    "indent":                      [2, 4],
    "semi":                        [2, "always"],
    "yoda":                        [2, "never"]
  },
  "env": {
    "mocha": true,
    "node":  true,
    "es6":   true
  }
}