.eslintrc.json

{
    "env": {
        "commonjs": true,
        "es6": true,
        "node": true,
        "jest": true
    },
    "extends": "eslint:recommended",
    "globals": {
        "Atomics": "readonly",
        "SharedArrayBuffer": "readonly"
    },
    "parserOptions": {
        "ecmaVersion": 2018
    },
    "rules": {
        "arrow-parens": [
            "error",
            "as-needed"
        ],
        "comma-dangle": [
            "error",
            "never"
        ],
        "indent": [
            "error",
            2
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "no-console": [
          "error", { "allow": ["info", "warn", "error"] }
        ],
        "no-extra-parens": [
            "error",
            "all"
        ],
        "quotes": [
            "error",
            "double"
        ],
        "semi": [
            "error",
            "never"
        ],
        "space-before-function-paren": [
            "error",
            "always"
        ],
        "spaced-comment": [
          "error",
          "always"
        ]
    }
}