.eslintrc.json

{
  "parserOptions":{
    "ecmaVersion": 8
  },
  "env": {
    "es6": true,
    "node": true
  },
  "extends": "eslint:recommended",
  "rules": {
    "no-cond-assign": ["error", "always"],
    "no-constant-condition": ["error", { "checkLoops": false }],
    "no-control-regex": ["off"],
    "no-dupe-args": ["error"],
    "no-empty": ["error"],
    "no-regex-spaces": ["error"],
    "no-sparse-arrays": ["error"],
    "no-unsafe-finally": ["error"],
    "no-unsafe-negation": ["error"],
    "valid-jsdoc": ["error", { "requireParamDescription": false, "requireReturnDescription": false }],

    "array-callback-return": ["error"],
    "consistent-return": ["error"],
    "curly": ["error"],
    "default-case": ["error"],
    "dot-location": ["error", "property"],
    "eqeqeq": ["error"],
    "no-caller": ["error"],
    "no-empty-pattern": ["error"],
    "no-eval": ["error"],
    "no-extend-native": ["error"],
    "no-fallthrough": ["error"],
    "no-octal": ["error"],
    "no-param-reassign": ["error"],
    "no-unmodified-loop-condition": ["error"],
    "no-with": ["error"],

    "strict": ["error"],
    "no-label-var": ["error"],
    "no-shadow-restricted-names": ["error"],

    "array-bracket-spacing": ["error", "never"],
    "block-spacing": ["error", "always"],
    "brace-style": ["error", "stroustrup", { "allowSingleLine": true }],
    "comma-dangle": ["error", "never"],
    "comma-spacing": ["error", { "before": false, "after": true }],
    "comma-style": ["error", "last"],
    "computed-property-spacing": ["error", "never"],
    "eol-last": ["error"],
    "func-call-spacing": ["error", "never"],
    "indent": ["error", 2],
    "key-spacing": ["error", { "beforeColon": false, "afterColon": true, "align": "colon" }],
    "keyword-spacing": ["error", { "before": true, "after": true }],
    "linebreak-style": ["error", "unix"],
    "max-len": ["error", { "code": 100, "ignoreComments": true, "ignoreStrings": true, "ignoreTemplateLiterals": true, "ignoreRegExpLiterals": true }],
    "new-parens": ["error"],
    "no-array-constructor": ["error"],
    "no-multiple-empty-lines": ["error", { "max": 1, "maxBOF": 1, "maxEOF": 0 }],
    "no-new-object": ["error"],
    "no-plusplus": ["error", { "allowForLoopAfterthoughts": true }],
    "no-tabs": ["error"],
    "no-trailing-spaces": ["error"],
    "no-unneeded-ternary": ["error"],
    "no-whitespace-before-property": ["error"],
    "operator-linebreak": ["error", "before"],
    "quote-props": ["error", "consistent"],
    "quotes": ["error", "double"],
    "semi-spacing": ["error", { "before": false, "after": true }],
    "semi": ["error", "always"],
    "space-before-blocks": ["error", "always"],
    "space-before-function-paren": ["error", { "anonymous": "always", "named": "never" }],
    "space-in-parens": ["error", "never"],
    "space-infix-ops": ["error"],
    "space-unary-ops": ["error", { "words": true, "nonwords": false }],
    "spaced-comment": ["error", "always"],
    "unicode-bom": ["error", "never"],

    "arrow-parens": ["error", "as-needed"],
    "arrow-spacing": ["error", { "before": true, "after": true }],
    "generator-star-spacing": ["error", { "before": false, "after": true }],
    "no-useless-computed-key": ["error"],
    "no-var": ["error"],
    "prefer-arrow-callback": ["error"],
    "prefer-const": ["error"],
    "prefer-rest-params": ["error"],
    "prefer-spread": ["error"],
    "require-yield": ["off"],
    "rest-spread-spacing": ["error", "never"],
    "yield-star-spacing": ["error", {"before": false, "after": true}]
  }
}