.eslintrc

{
  "env": {
    "es6": true,
    "node": true,
    "jest": true
  },
  "extends": [
    "prettier",
    "eslint:recommended"
  ],
  "parserOptions": {
    "ecmaVersion": 2017,
    "sourceType": "module"
  },
  "plugins": [
    "prettier"
  ],
  "rules": {
    "semi": 2,
    "curly": 2,
    "no-var": 2,
    "eqeqeq": 2,
    "eol-last": 2,
    "key-spacing": 2,
    "spaced-comment": 2,
    "space-infix-ops": 2,
    "space-before-blocks": 2,
    "newline-before-return": 2,
    "linebreak-style": [2, "unix"],
    "indent": [2, 2, {"SwitchCase": 1}],
    "object-curly-spacing": [2, "always"],
    "camelcase": [2, {"properties": "never"}],
    "quotes": [2, "single", {"allowTemplateLiterals": true}],
    "no-unused-vars": ["error", {"argsIgnorePattern": "next"}],
    "prettier/prettier": ["error", {"singleQuote": true, "bracketSpacing": true, "printWidth": 120}]
  }
}