.eslintrc

{
  "rules": {
    "array-bracket-spacing": 2,
    "brace-style": 2,
    "comma-dangle": 2,
    "comma-spacing": 2,
    "comma-style": 2,
    "curly": 2,
    "dot-notation": 2,
    "eol-last": 2,
    "eqeqeq": ["error", "smart"],
    "key-spacing": 2,
    "keyword-spacing": 2,
    "new-cap": 0,
    "no-empty": [2, { "allowEmptyCatch": true }],
    "no-eval": 2,
    "no-implied-eval": 2,
    "no-mixed-spaces-and-tabs": 2,
    "no-multi-str": 2,
    "no-sequences": 2,
    "no-trailing-spaces": 2,
    "no-underscore-dangle": 0,
    "no-use-before-define": 2,
    "no-with": 2,
    "semi-spacing": 2,
    "space-before-blocks": 2,
    "space-before-function-paren": [
      2,
      { "anonymous": "always", "named": "never" }
    ],
    "space-in-parens": 2,
    "space-infix-ops": 2,
    "space-unary-ops": 2,
    "vars-on-top": 2,
    "wrap-iife": 2,
    "semi": [2, "always"],
    "indent": [
      2,
      2,
      {
        "SwitchCase": 1
      }
    ],
    "valid-jsdoc": 2,
    "no-var": "error",
    "no-undef": 1,
    "no-multi-spaces": "error",
    "no-multiple-empty-lines": "error",
    "one-var": "off",
    "no-continue": "off",
    "no-new-func": "warn",
    "no-plusplus": "off",
    "no-console": "warn",
    "complexity": ["warn", 20],
    "max-lines-per-function": "off",
    "max-len": ["error", 130],
    "max-statements-per-line": ["error", { "max": 3 }]
  },
  "env": {
    "shared-node-browser": true,
    "browser": true,
    "node": true,
    "es6": true
  },
  "parserOptions": {
    "ecmaVersion": 9,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true,
      "modules": true
    }
  }
}