.eslintrc.json

{
  "env": {
    "es6": true,
    "node": true,
    "mocha": true
  },
  "extends": "eslint:recommended",
  "rules": {
    "indent": [
      "error", 4, { "SwitchCase": 1 }
    ],
    "linebreak-style": [
      "error",
      "windows"
    ],
    "quotes": [
      "error",
      "single"
    ],
    "semi": [
      "error",
      "always"
    ],
    "object-curly-spacing": [
      "error",
      "always"
    ],
    "arrow-spacing": [
      "error",
      {
        "before": true,
        "after": true
      }
    ],
    "accessor-pairs": "error",
    "array-callback-return": "error",
    "no-else-return": "error",
    "no-empty-function": [
      "warn",
      {
        "allow": [
          "constructors"
        ]
      }
    ],
    "no-implicit-coercion": [
      "error",
      {
        "allow": ["!!"]
      }
    ],
    "no-return-await": "error",
    "no-self-assign": "error",
    "no-throw-literal": "error",
    "require-await": "warn",
    "yoda": [
      "error",
      "never",
      {
        "exceptRange": true
      }
    ],
    "no-shadow": [
      "error"
    ],
    "global-require": "warn",
    "handle-callback-err": [
      "error"
    ],
    "camelcase": [
      // Warning so that we can make
      // slack api calls without it
      // getting mad at us
      "warn"
    ],
    "one-var": [
      "error",
      {
        "initialized": "never",
        "uninitialized": "consecutive"
      }
    ],
    "require-jsdoc": [
      "warn",
      {
        "require": {
          "FunctionDeclaration": true,
          "MethodDefinition": true
        }
      }
    ],
    "generator-star-spacing": [
      "error",
      {
        "before": true,
        "after": false
      }
    ],
    "no-var": [
      "error"
    ],
    "object-shorthand": [
      "error",
      "always",
      {
        "avoidQuotes": true
      }
    ],
    "prefer-rest-params": [
      "error"
    ],
    "prefer-template": [
      "error"
    ],
    "prefer-const": [
      "error",
      {
        "destructuring": "any"
      }
    ],
    "no-undef": "warn",
    "template-curly-spacing": [
      "error",
      "never"
    ],
    "arrow-parens": [
      "error",
      "as-needed"
    ]
  },
  "parserOptions": {
    "ecmaVersion": 2017
  }
}