.eslintrc.json

{
  "root": true,
  "env": {
    "node": true,
    "commonjs": true
  },
  "extends": ["eslint:recommended", "plugin:ux/essential"],
  "parserOptions": {
    "parser": "babel-eslint",
    "sourceType": "module",
    "ecmaFeatures": {
      "ecmaVersion": true,
      "jsx": true
    }
  },
  "globals": {
    "loadData": false,
    "saveData": false,
    "history": false,
    "console": false,
    "setTimeout": false,
    "clearTimeout": false,
    "setInterval": false,
    "clearInterval": false
  },
  "rules": {
    "indent": ["warn", 2],
    "no-console": [
      "warn",
      {
        "allow": ["info", "warn", "error"]
      }
    ],
    "no-unused-vars": [
      "warn",
      {
        "varsIgnorePattern": "prompt"
      }
    ],
    "quotes": [
      "warn",
      "single",
      {
        "avoidEscape": true,
        "allowTemplateLiterals": true
      }
    ],
    "linebreak-style": ["warn", "unix"],
    "semi": ["warn", "never"]
  }
}