.eslintrc

{
  "env": {
    "node": true,
    "mocha": true
  },
  "plugins": [],
  "parserOptions": {
    "ecmaVersion": 8,
    "sourceType": "script",
    "ecmaFeatures": {}
  },
  "rules": {
    "no-var": ["error"],
    "no-console": ["error"],
    "comma-spacing": ["error"],
    "no-unused-vars": ["error"],
    "no-cond-assign": ["error"],
    "no-return-assign": ["error"],
    "no-param-reassign": ["error"],
    "no-inline-comments": ["error"],
    "no-trailing-spaces": ["error"],
    "curly": ["error"],
    "eqeqeq": ["error"],
    "brace-style": ["error"],
    "key-spacing": ["error"],
    "semi-spacing": ["error"],
    "semi": ["error", "always"],
    "keyword-spacing": ["error"],
    "space-infix-ops": ["error"],
    "quotes": ["error", "single"],
    "prefer-arrow-callback": ["error"],
    "object-curly-spacing": ["error", "never"],
    "indent": ["error", 2, { "SwitchCase": 1 }],
    "max-len": ["error", 180, 2, { "ignoreComments": true }],
    "comma-dangle": ["error", "always-multiline"],
    "eol-last": ["error", "always"]
  }
}