.eslintrc

{
  "parser": "@babel/eslint-parser",
  "env": {
    "node": true
  },
  "parserOptions": {
    "ecmaVersion": 2019,
    "sourceType": "module"
  },
  "rules": {
    "linebreak-style": ["off", "unix"],
    "no-console": "error",
    "quotes": ["error", "single"],
    "semi": ["error", "always"],
    "no-var": "error",
    "eqeqeq": ["error", "always"],
    "object-curly-spacing": "off",
    "no-const-assign": "error",
    "newline-before-return": "error",
    "no-unreachable": "error",
    "no-extra-semi": "error",
    "no-unexpected-multiline": "error",
    "comma-dangle": [
      "error",
      {
        "arrays": "never",
        "objects": "never",
        "imports": "never",
        "exports": "never",
        "functions": "never"
      }
    ]
  }
}