.eslintrc

{
    "env": {
        "es6": true,
        "node": true
    },
    "parserOptions": {
        "ecmaVersion": 2018,
        "sourceType": "module",
        "ecmaFeatures": {
            "globalReturn": true
        }
    },
    "globals": {
        "setInterval": true,
        "setTimeout": true,
        "clearInterval": true,
        "clearTimeout": true,
        "require": true,
        "module": true,
        "exports": true
    },
    "rules": {
        "block-spacing": "error",
        "comma-spacing": "error",
        "computed-property-spacing": "error",
        "comma-style": ["error", "last"],
        "eqeqeq": ["error", "allow-null"],
        "strict": "error",
        "func-call-spacing": "error",
        "key-spacing": "error",
        "keyword-spacing": [
            "error",
            {
                "overrides": {
                    "catch": { "after": false },
                    "for": { "after": false },
                    "if": { "after": false },
                    "switch": { "after": false },
                    "while": { "after": false }
                }
            }
        ],
        "linebreak-style": ["error", "unix"],
        "no-multiple-empty-lines": [ "error", { "max": 2 } ],
        "no-irregular-whitespace": "error",
        "no-multi-spaces": "error",
        "no-trailing-spaces": "error",
        "no-new-func": "error",
        "no-eval": "error",
        "no-undef": "error",
        "no-unused-expressions": "off",
        "no-unused-vars": ["error", { "args": "none" }],
        "no-extend-native": "error",
        "no-alert": "error",
        "no-whitespace-before-property": "error",
        "object-curly-spacing": [ "error", "always" ],
        "semi-spacing": "error",
        "semi": "error",
        "space-before-blocks": "error",
        "space-before-function-paren": [ "error", "never" ],
        "space-in-parens": "error",
        "space-infix-ops": "error",
        "space-unary-ops": "error",
        "spaced-comment": [ "error", "always", {
            "markers": [ "/" ]
        } ],

        "brace-style": [ "error", "1tbs", { "allowSingleLine": true } ],
        "curly": [ "error", "multi-line", "consistent" ],

        "unicode-bom": [ "error", "never" ],
        "eol-last": [ "error", "always" ],
        "indent": [
            "error",
            4,
            {
                "SwitchCase": 1,
                "MemberExpression": 1,
                "CallExpression": {
                    "arguments": 1
                }
            }
        ],
        "quotes": [ "error", "single" ]
    }
}