.eslintrc.json

{
  "env": {
    "node": true
  },
  "parserOptions": {
    "ecmaVersion": 9,
    "sourceType": "module"
  },
  "extends": "eslint:recommended",
  "rules": {
    
    // linting
    "no-console": "off",
    "no-unused-vars": "warn",

    // styles
    "indent": [
      "error",
      2, 
      {
        "SwitchCase": 1,
        "VariableDeclarator": 1,
        "outerIIFEBody": 1,
        "MemberExpression": 0,
        "CallExpression": {
          "arguments": 1
        },
        "ArrayExpression": 1,
        "ObjectExpression": 1
      }
    ],
    "linebreak-style": "off",
    "quotes": [
      "error",
      "single"
    ],
    "semi": [
      "error",
      "always"
    ]
    
  },
  "globals": {
    "Promise": "readonly"
  }
}