.eslintrc.json

{
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "script",
    "ecmaFeatures": {
      // "impliedStrict": true
    }
  },
  "env": {
    "es6": true,
    "node": true
  },
  "globals": {
    "JSON": false
  },
  "rules": {
    "semi": "error",
    "semi-spacing": "error",
    "no-extra-semi": "error",
    "indent": ["error", 2],
    "brace-style": ["error", "1tbs"],
    "curly": ["error", "multi-line"],
    "camelcase": "error",
    "eqeqeq": "error",
    "dot-notation": "error",
    "dot-location": ["error", "property"],
    "consistent-return": "error",
    "strict": ["error", "global"],
    "comma-style": ["error", "last"],
    "comma-spacing": ["error",
      {"before": false, "after": true}],
    "comma-dangle": "error",
    "max-len": ["error", {"code": 100,
      "ignoreComments": true}],
    "max-depth": ["error", 4],
    "max-statements": ["error", 20],
    "max-statements-per-line":
      ["error", { "max": 1 }],
    "max-nested-callbacks": ["error", 3],
    "no-console": "error",
    "quotes": ["error", "single"],
    "key-spacing": ["error",
      {"beforeColon": false, "mode": "minimum"}],
    "keyword-spacing": "error",
    "no-multi-spaces": "error",
    "no-spaced-func": "error",
    "no-trailing-spaces": "error",
    "no-irregular-whitespace": "error",
    "no-mixed-spaces-and-tabs": "error",
    "no-whitespace-before-property": "error",
    "template-curly-spacing": "error",
    "spaced-comment": "error",
    "space-unary-ops": "error",
    "space-infix-ops": "error",
    "space-before-blocks": "error",
    "block-spacing": "error",
    "padded-blocks": ["error", "never"],
    "no-lone-blocks": "error",
    "no-dupe-args": "error",
    "space-before-function-paren": ["error",
      {"anonymous": "always", "named": "never"}],
    "array-bracket-spacing": ["error", "never"],
    "computed-property-spacing": ["error", "never"],
    "no-restricted-syntax": ["error", "WithStatement"],
    "no-with": "error",
    "func-names": "error",
    "func-style": ["error", "declaration",
      {"allowArrowFunctions": true}],
    "no-multiple-empty-lines": "error",
    "require-yield": "error",
    "yield-star-spacing": ["error", "both"],
    "generator-star-spacing": ["error", "both"],
    "operator-assignment": "error",
    "one-var-declaration-per-line": ["error", "always"],
    "no-magic-numbers": ["error",{ "ignore": [0, 1],
      "ignoreArrayIndexes": true, "enforceConst": true }],
    "no-unneeded-ternary": "error",
    "no-unused-vars": ["error", {"args": "none"}],
    "no-use-before-define": ["error",
      {"functions": false, "classes": false}],
    "no-unmodified-loop-condition": "error",
    "no-constant-condition": "error",
    "no-unused-expressions": "error",
    "no-inner-declarations": "error",
    "no-case-declarations": "error",
    "no-duplicate-case": "error",
    "default-case": "error",
    "no-implicit-globals": "error",
    "no-useless-concat": "error",
    "no-unsafe-finally": "error",
    "no-ex-assign": "error",
    "no-cond-assign": "error",
    "no-func-assign": "error",
    "no-return-assign": "error",
    "no-param-reassign": "error",
    "no-negated-in-lhs": "error",
    "no-unreachable": "error",
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-self-assign": "error",
    "no-redeclare": "error",
    "no-new-func": "error",
    "no-loop-func": "error",
    "no-else-return": "error",
    "no-implied-eval": "error",
    "no-eval": "error",
    "no-eq-null": "error",
    "no-proto": "error",
    "vars-on-top": "error",
    "no-var": "error",
    "no-continue": "error",
    "no-throw-literal": "error",
    "no-lonely-if": "error",
    "no-fallthrough": "error",
    "no-sparse-arrays": "error",
    "no-array-constructor": "error",
    "no-empty": "error",
    "no-empty-pattern": "error",
    "no-floating-decimal": "error",
    "prefer-template": "error",
    "prefer-rest-params": "error",
    "prefer-arrow-callback": "error",
    "object-shorthand": ["error", "always"],
    "no-dupe-keys": "error",
    "no-obj-calls": "error",
    "arrow-spacing": "error",
    "callback-return": "error",
    "wrap-iife": ["error", "inside"],
    "wrap-regex": "error",
    "no-invalid-regexp": "error",
    "global-require": "error",
    "require-jsdoc": "error",
    "valid-jsdoc": "off",
    "new-cap": "error",
    "radix": "error",
    "yoda": "error",
    "eol-last": "error"
  },
  "root": true
}