.eslintrc

{
  "env": {
    "es6": true,
    "node": true
  },
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaVersion": 8,
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true
    },
    "sourceType": "module"
  },
  "rules": {
    "indent": ["error", 4, { "SwitchCase": 1 }],
    "padded-blocks": ["error", "never"],
    "padding-line-between-statements": [
      "error",
      { "blankLine": "always", "prev": "*", "next": ["block-like", "return"] }
    ],
    "operator-linebreak": ["error", "after"],
    "space-before-function-paren": ["error", "never"],
    "space-infix-ops": "error",
    "object-curly-spacing": ["error", "always"],
    "no-implicit-coercion": "error",
    "no-nested-ternary": "warn",
    "no-unneeded-ternary": "error",
    "brace-style": "error",
    "arrow-parens": ["error", "as-needed"],
    "quotes": [
      "error",
      "single"
    ],
    "semi": "error",
    "comma-dangle": ["error", "never"],
    "eol-last": "error"
  }
}