.eslintrc

{
  "root": true,
  "env": {
    "es6": true,
    "browser": true,
    "node": true
  },
  "parserOptions": {
    "ecmaVersion": 2017,
    "sourceType": "module",
    "ecmaFeatures": {}
  },
  "extends": [],
  "rules": {
    "semi": ["warn", "never"],
    "indent": ["error", 2, { "SwitchCase": 1 }],
    "spaced-comment": 0,
    "no-cond-assign": 2,
    "no-var": 1,
    "prefer-const": 0,
    "no-extra-parens": 0,
    "no-dupe-keys": 2,
    "no-undef": 2,
    "no-unreachable": 2,
    "eqeqeq": 1,
    "keyword-spacing": 0,
    "no-native-reassign": 2,
    "no-redeclare": 2,
    "radix": 1,
    "quotes": [0, "single", "avoid-escape"],
    "no-shadow": 2,
    "no-unused-vars": 1,
    "no-lonely-if": 1,
    "no-use-before-define": 2,
    "no-bitwise": 2,
    "no-dupe-class-members": 2,
    "guard-for-in": 1,
    "consistent-return": 2,
    "no-octal-escape": 2,
    "no-constant-condition": 1,
    "no-unused-expressions": 2,
    "comma-dangle": [1, "only-multiline"],
    "space-before-function-paren": 0,
    "max-len": [
      "error",
      {
        "code": 120,
        "ignoreComments": true,
        "ignoreStrings": true,
        "ignoreTemplateLiterals": true,
        "ignoreRegExpLiterals": true
      }
    ]
  }
}