.eslintrc.json

{
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true,
    "node": true
  },
  "extends": "eslint:recommended",
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 2017,
    "sourceType": "module",
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true
    }
  },
  "rules": {
    "accessor-pairs": 2,
    "array-callback-return": 2,
    "array-bracket-spacing": 2,
    "arrow-body-style": 2,
    "arrow-parens": 2,
    "arrow-spacing": 2,
    "block-scoped-var": 2,
    "block-spacing": 2,
    "brace-style": 2,
    "camelcase": [2, { "properties": "always" }],
    "capitalized-comments": [2, "always", {
      "ignoreConsecutiveComments": true
    }],
    "class-methods-use-this": 2,
    "comma-dangle": [1, "always-multiline"],
    "comma-spacing": 2,
    "comma-style": 2,
    "computed-property-spacing": 2,
    "consistent-return": 2,
    "consistent-this": 2,
    "curly": 2,
    "default-case": 2,
    "dot-location": 2,
    "dot-notation": 2,
    "eol-last": 2,
    "eqeqeq": 2,
    "func-call-spacing": 2,
    "func-name-matching": 2,
    "func-names": 2,
    "global-require": 2,
    "guard-for-in": 2,
    "id-length": [2, {
      "min": 1,
      "max": 24
    }],
    "indent": [2, 2, {
      "SwitchCase": 1,
      "VariableDeclarator": { "var": 2, "let": 2, "const": 3}
    }],
    "key-spacing": 2,
    "keyword-spacing": 2,
    "linebreak-style": 2,
    "lines-around-comment": [2, {
      "beforeBlockComment": true,
      "afterBlockComment": false,
      "allowBlockStart": true,
      "allowBlockEnd": true,
      "allowObjectStart": true,
      "allowObjectEnd": true,
      "allowArrayStart": true,
      "allowArrayEnd": true
    }],
    "lines-around-directive": 2,
    "max-depth": 2,
    "max-len": [2, { "code": 80 }],
    "max-nested-callbacks": 2,
    "max-statements-per-line": [2, { "max": 2 }],
    "new-cap": 2,
    "new-parens": 2,
    "newline-after-var": 2,
    "newline-before-return": 2,
    "newline-per-chained-call": 2,
    "no-alert": 2,
    "no-array-constructor": 2,
    "no-await-in-loop": 2,
    "no-caller": 2,
    "no-console": 0,
    "no-continue": 0,
    "no-div-regex": 2,
    "no-duplicate-imports": 2,
    "no-else-return": 2,
    "no-empty-function": 2,
    "no-eq-null": 2,
    "no-eval": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-extra-label": 2,
    "no-extra-parens": [2, "all", { "nestedBinaryExpressions": false }],
    "no-floating-decimal": 2,
    "no-global-assign": 2,
    "no-implicit-coercion": 2,
    "no-implicit-globals": 2,
    "no-implied-eval": 2,
    "no-invalid-this": 2,
    "no-iterator": 2,
    "no-labels": 2,
    "no-lone-blocks": 2,
    "no-lonely-if": 2,
    "no-loop-func": 2,
    "no-magic-numbers": [2, { "ignoreArrayIndexes": true }],
    "no-mixed-operators": 2,
    "no-mixed-spaces-and-tabs": 2,
    "no-multi-assign": 2,
    "no-multi-spaces": 2,
    "no-multi-str": 2,
    "no-multiple-empty-lines": [2, { "max": 3 }],
    "no-negated-condition": 2,
    "no-nested-ternary": 2,
    "no-new-func": 2,
    "no-new-object": 2,
    "no-new-wrappers": 2,
    "no-new": 2,
    "no-octal-escape": 2,
    "no-param-reassign": 2,
    "no-plusplus": [2, { "allowForLoopAfterthoughts": true }],
    "no-proto": 2,
    "no-prototype-builtins": 2,
    "no-restricted-properties": 2,
    "no-return-assign": 2,
    "no-return-await": 2,
    "no-script-url": 2,
    "no-self-compare": 2,
    "no-sequences": 2,
    "no-tabs": 2,
    "no-template-curly-in-string": 2,
    "no-throw-literal": 2,
    "no-trailing-spaces": 2,
    "no-unsafe-negation": 2,
    "no-unmodified-loop-condition": 2,
    "no-unneeded-ternary": 2,
    "no-unused-expressions": 2,
    "no-useless-call": 2,
    "no-useless-computed-key": 2,
    "no-useless-concat": 2,
    "no-useless-constructor": 2,
    "no-useless-escape": 2,
    "no-useless-rename": 2,
    "no-useless-return": 2,
    "no-var": 2,
    "no-void": 2,
    "no-warning-comments": 2,
    "no-whitespace-before-property": 2,
    "no-with": 2,
    "object-shorthand": 2,
    "object-property-newline": 2,
    "operator-assignment": 2,
    "operator-linebreak": 2,
    "padded-blocks": [2, "never"],
    "prefer-arrow-callback": 2,
    "prefer-const": 2,
    "prefer-destructuring": 2,
    "prefer-promise-reject-errors": 2,
    "prefer-rest-params": 2,
    "prefer-spread": 2,
    "prefer-template": 2,
    "quote-props": [2, "consistent-as-needed"],
    "quotes": [2, "single"],
    "radix": 2,
    "require-await": 2,
    "require-jsdoc": 2,
    "rest-spread-spacing": 2,
    "semi": 2,
    "semi-spacing": 2,
    "space-before-blocks": 2,
    "space-in-parens": 2,
    "space-infix-ops": 2,
    "space-unary-ops": [2, { "words": true, "nonwords": false }],
    "spaced-comment": 2,
    "strict": 2,
    "symbol-description": 2,
    "template-curly-spacing": 2,
    "valid-jsdoc": 2,
    "vars-on-top": 2,
    "wrap-iife": 2,
    "wrap-regex": 2,
    "yoda": 2
  }
}