.eslintrc.json

{
  "extends": "standard",
  "env": {
    "es6": true,
    "node": true
  },
  "rules": {
    "arrow-body-style": ["error", "as-needed"],
    "arrow-parens": ["error", "as-needed"],
    "arrow-spacing": "error",
    "default-case": "error",
    "guard-for-in": "error",
    "generator-star-spacing": ["error", { "before": true, "after": false }],
    "getter-return": ["error", { "allowImplicit": true }],
    "no-compare-neg-zero": "error",
    "no-confusing-arrow": "error",
    "no-else-return": "error",
    "no-empty": "error",
    "no-implicit-coercion": "error",
    "no-useless-return": "error",
    "no-redeclare": "error",
    "no-var": "error",
    "prefer-arrow-callback": "error",
    "prefer-const": "error",
    "prefer-rest-params": "error",
    "prefer-spread": "error",
    "prefer-template": "error",
    "space-before-function-paren": ["error", {
      "anonymous": "always",
      "named": "never",
      "asyncArrow": "always"
    }]
  }
}