.eslintrc.json

{
    "env": {
        "es6": true,
        "node": true
    },
    "extends": "eslint:recommended",
    "globals": {
        "Atomics": "readonly",
        "SharedArrayBuffer": "readonly"
    },
    "parserOptions": {
        "ecmaVersion": 2018,
        "sourceType": "module"
    },
    "rules": {
        "linebreak-style": [
            "error",
            "unix"
        ],
        "semi": [
            "error",
            "always"
        ],
        "disable-next-line": "off",
        "array-callback-return": [
            "error",
            {
                "allowImplicit": true
            }
        ],
        "dot-notation": [
            "off"
        ],
        "no-else-return": [
            "error",
            {
                "allowElseIf": false
            }
        ],
        "no-fallthrough": [
            "warn"
        ],
        "no-multi-spaces": [
            "error",
            {
                "ignoreEOLComments": true,
                "exceptions": {
                    "VariableDeclarator": true,
                    "ImportDeclaration": true,
                    "Property": true
                }
            }
        ],
        "no-param-reassign": [
            "warn"
        ],
        "no-proto": [
            "error"
        ],
        "no-with": [
            "error"
        ],
        "no-labels": [
            "error"
        ],
        "no-path-concat": [
            "error"
        ],
        "no-duplicate-imports": [
            "error"
        ],
        "eol-last": [
            "error",
            "always"
        ],
        "comma-spacing": [
            "error",
            {
                "before": false,
                "after": true
            }
        ],
        "comma-dangle": [
            "error",
            "always-multiline"
        ],
        "arrow-body-style": [
            "warn",
            "as-needed"
        ],
        "no-plusplus": [
            "off"
        ],
        "indent": [
            "error",
            4
        ],
        "no-unused-vars": [
            "error",
            {
                "args": "none"
            }
        ],
        "block-spacing": [
            "error"
        ],
        "no-trailing-spaces": "error",
        "quotes": [
            "error",
            "single"
        ],
        "no-var": [
            "error"
        ],
        "prefer-const": "error",
        "prefer-rest-params": [
            "error"
        ],
        "no-multiple-empty-lines": [
            "error",
            {
                "max": 1,
                "maxEOF": 1
            }
        ]
    }
}