.eslintrc.json

{
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "prettier",
    "plugin:security/recommended"
  ],
  "parser": "@babel/eslint-parser",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": false
    },
    "ecmaVersion": 2018,
    "requireConfigFile": false,
    "sourceType": "module"
  },
  "plugins": [
    "json",
    "security"
  ],
  "rules": {
    "indent": [
      "error",
      2
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "no-multiple-empty-lines": [
      "error", {
        "max": 1,
        "maxEOF": 0,
        "maxBOF": 0
      }
    ],
    "no-trailing-spaces": [
      "error",
      {
        "skipBlankLines": false,
        "ignoreComments": false
      }
    ],
    "no-undef": [
      "error",
      {
        "typeof": true
      }
    ],
    "no-unused-vars": "off",
    "quotes": [
      "error",
      "single"
    ],
    "semi": [
      "error",
      "always"
    ]
  }
}