.eslintrc.json

{
    "env": {
      "node": true,
      "es6": true
    },
    "ecmaFeatures": {
      "arrowFunctions": true,
      "blockBindings": true,
      "classes": true,
      "defaultParameters": true,
      "destructuring": true,
      "forOf": true,
      "generators": true,
      "modules": true,
      "objectLiteralComputedProperties": true,
      "objectLiteralDuplicateProperties": true,
      "objectLiteralShorthandMethods": true,
      "objectLiteralShorthandProperties": true,
      "regexUFlag": true,
      "regexYFlag": true,
      "restParams": true,
      "spread": true,
      "superInFunctions": true,
      "templateStrings": true,
      "unicodeCodePointEscapes": true,
      "globalReturn": true
    },
    "rules": {
      "comma-dangle": [ 2, "never" ],
      "no-console": 0,
      "no-constant-condition": 2,
      "no-control-regex": 2,
      "no-debugger": 1,
      "no-dupe-keys": 2,
      "no-duplicate-case": 2,
      "no-empty-character-class": 2,
      "no-empty": 2,
      "no-extra-boolean-cast": 2,
      "no-extra-semi": 2,
      "no-func-assign": 2,
      "no-inner-declarations": 2,
      "no-invalid-regexp": 2,
      "no-irregular-whitespace": 2,
      "no-negated-in-lhs": 2,
      "no-unreachable": 2,
      "use-isnan": 2,
      "valid-typeof": 2,
  
      "accessor-pairs": 2,
      "block-scoped-var": 2,
      "curly": 2,
      "default-case": 2,
      "dot-location": [ 2, "property" ],
      "dot-notation": 2,
      "eqeqeq": [ 2, "smart" ],
      "no-alert": 1,
      "no-caller": 2,
      "no-case-declarations": 2,
      "no-div-regex": 1,
      "no-else-return": 2,
      "no-eval": 2,
      "no-extend-native": 2,
      "no-extra-bind": 2,
      "no-fallthrough": 2,
      "no-floating-decimal": 2,
      "no-implied-eval": 2,
      "no-iterator": 2,
      "no-labels": 2,
      "no-lone-blocks": 2,
      "no-loop-func": 2,
      "no-multi-spaces": 2,
      "no-multi-str": 2,
      "no-native-reassign": 2,
      "no-new-func": 2,
      "no-new-wrappers": 2,
      "no-new": 2,
      "no-octal-escape": 2,
      "no-octal": 2,
      "no-param-reassign": 2,
      "no-proto": 2,
      "no-redeclare": 2,
      "no-return-assign": 2,
      "no-self-compare": 2,
      "no-throw-literal": 2,
      "no-unused-expressions": [ 2, { "allowShortCircuit": true } ],
      "no-useless-call": 2,
      "no-useless-concat": 2,
      "no-void": 2,
      "no-warning-comments": 1,
      "no-with": 2,
      "radix": [ 2, "as-needed" ],
      "vars-on-top": 2,
      "wrap-iife": [ 2, "inside" ],
      "yoda": 2,
  
      "strict": [ 2, "function" ],
  
      "no-catch-shadow": 2,
      "no-delete-var": 2,
      "no-shadow-restricted-names": 2,
      "no-shadow": 2,
      "no-undef-init": 2,
      "no-unused-vars": 2,
      "no-use-before-define": 2,
  
      "global-require": 2,
      "handle-callback-err": 1,
      "no-new-require": 2,
  
      "array-bracket-spacing": [ 1, "never" ],
      "block-spacing": [ 2, "always" ],
      "brace-style": [ 2, "1tbs", { "allowSingleLine": false } ],
      "camelcase": [ 2, { "properties": "always" } ],
      "comma-spacing": [ 2, { "before": false, "after": true } ],
      "comma-style": [ 2, "last" ],
      "computed-property-spacing": [ 1, "never" ],
      "consistent-this": [ 2, "self" ],
      "eol-last": 2,
      "func-style": [ 2, "expression" ],
      "indent": [ 2, 4, { "SwitchCase": 1 } ],
      "key-spacing": [ 2, { "beforeColon": false, "afterColon": true } ],
      "new-cap": 2,
      "new-parens": 2,
      "newline-after-var": [ 2, "always" ],
      "no-array-constructor": 2,
      "no-bitwise": 2,
      "no-continue": 2,
      "no-lonely-if": 2,
      "no-mixed-spaces-and-tabs": 2,
      "no-multiple-empty-lines": [ 2, { "max": 2, "maxEOF": 1 } ],
      "no-nested-ternary": 2,
      "no-new-object": 2,
      "no-spaced-func": 2,
      "no-trailing-spaces": [ 2, { "skipBlankLines": true } ],
      "no-unneeded-ternary": 2,
      "object-curly-spacing": [ 2, "always" ],
      // "one-var": [ 2, "always" ],
      "operator-linebreak": [ 2, "none" ],
      // "quote-props": [ 2, "always" ],
      "quotes": [ 1, "single", "avoid-escape" ],
      "semi": [ 2, "always" ],
      "space-after-keywords": [ 2, "always" ],
      "space-before-blocks": [ 2, "always" ],
      "space-before-function-paren": [ 2, "never" ],
      "space-before-keywords": [ 2, "always" ],
      "space-in-parens": [ 1, "never" ],
      "space-infix-ops": 2,
      "space-return-throw-case": 2,
      "space-unary-ops": [ 2, { "words": true, "nonwords": false } ],
      "spaced-comment": [ 2, "always" ],
  
      "arrow-parens": [ 2, "always" ],
      "arrow-spacing": 2,
      "constructor-super": 2,
      "generator-star-spacing": [ 2, { "before": true, "after": false } ],
      "no-arrow-condition": 1,
      "no-class-assign": 2,
      "no-const-assign": 2,
      "no-dupe-class-members": 2,
      "no-this-before-super": 2,
      "no-var": 2,
      "prefer-arrow-callback": 0,
      "prefer-spread": 1,
      "prefer-template": 1,
      "require-yield": 2
    }
  }