.eslintrc.json

{
  "env": {
    "browser": false,
    "es6": true,
    "node": true
  },
  "extends": "eslint:recommended",
  "parserOptions": {
    "sourceType": "module"
  },
  "rules": {
    "brace-style": [
      "error",
      "stroustrup",
      {"allowSingleLine": true}
    ],
    "indent": [
      "error",
      2,
      {"SwitchCase": 1}
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "no-unused-vars": [
      "error",
      // Allow functions to include the full signature of a protocol they adhere
      // to, even if they don’t use some args.
      {"args": "none"}
    ],
    "quotes": [
      "error",
      "single",
      {"avoidEscape": true}
    ],
    "object-curly-spacing": [
      "error",
      "always"
    ],
    "semi": [
      "error",
      "always"
    ],
    "space-before-function-paren": [
      "error",
      "always"
    ],
    "space-infix-ops": ["error"]
  }
}