.eslintrc.json

{
    "root": true,
    "rules": {
        "no-cond-assign": 0,
        "no-unused-vars": 2,
        "object-shorthand": [2, "always"],
        "no-console": 0,
        "no-const-assign": 2,
        "no-class-assign": 2,
        "no-this-before-super": 2,
        "no-var": 2,
        "no-unreachable": 2,
        "valid-typeof": 2,
        "one-var": [2, "never"],
        "prefer-arrow-callback": 2,
        "prefer-const": [2, {
            "destructuring": "all"
        }],
        "no-inner-declarations": 0
    },
    "env": {
        "es6": true,
        "node": true,
        "mocha": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:prettier/recommended",
        "plugin:jsdoc/recommended"
    ],
    "plugins": [
        "jsdoc"
    ],
    "parserOptions": {
        "ecmaVersion": 8,
        "sourceType": "module"
    }
}