.eslintrc

{
    "env": {
        "node": true,
        "mocha": true,
        "es6": true
    },
    "parserOptions": {
        "ecmaVersion": 2020,
        "sourceType": "module"
    },
    "rules": {
        "no-duplicate-case": 2,
        "no-undef": 2,
        "no-unused-vars": [
            2,
            {
                "vars": "all",
                "args": "after-used"
            }
        ],
        "no-empty": [
            2,
            {
                "allowEmptyCatch": true
            }
        ],
        "no-implicit-coercion": [
            2,
            {
                "boolean": true,
                "string": true,
                "number": true
            }
        ],
        "no-with": 2,
        "brace-style": 2,
        "no-mixed-spaces-and-tabs": 2,
        "no-multiple-empty-lines": 2,
        "no-multi-str": 2,
        "dot-location": [
            2,
            "property"
        ],
        "operator-linebreak": [
            2,
            "after",
            {
                "overrides": {
                    "?": "before",
                    ":": "before"
                }
            }
        ],
        "key-spacing": [
            2,
            {
                "beforeColon": false,
                "afterColon": true
            }
        ],
        "space-unary-ops": [
            2,
            {
                "words": false,
                "nonwords": false
            }
        ],
        "no-spaced-func": 2,
        "space-before-function-paren": [
            2,
            {
                "anonymous": "ignore",
                "named": "never"
            }
        ],
        "array-bracket-spacing": [
            2,
            "never"
        ],
        "space-in-parens": [
            2,
            "never"
        ],
        "comma-dangle": [
            2,
            "never"
        ],
        "no-trailing-spaces": 2,
        "yoda": [
            2,
            "never"
        ],
        "camelcase": [
            2,
            {
                "properties": "never"
            }
        ],
        "comma-style": [
            2,
            "last"
        ],
        "curly": [
            2,
            "all"
        ],
        "dot-notation": 2,
        "eol-last": 2,
        "one-var": [
            2,
            "never"
        ],
        "wrap-iife": 2,
        "space-infix-ops": 2,
        "keyword-spacing": [
            2,
            {
                "overrides": {
                    "else": {
                        "before": true
                    },
                    "while": {
                        "before": true
                    },
                    "catch": {
                        "before": true
                    },
                    "finally": {
                        "before": true
                    }
                }
            }
        ],
        "spaced-comment": [
            2,
            "always"
        ],
        "space-before-blocks": [
            2,
            "always"
        ],
        "semi": [
            2,
            "always"
        ],
        "indent": [
            2,
            4,
            {
                "SwitchCase": 1
            }
        ],
        "linebreak-style": [
            2,
            "unix"
        ],
        "quotes": [
            2,
            "single",
            {
                "avoidEscape": true
            }
        ]
    }
}