.eslintrc.json

{
    "parser": "@babel/eslint-parser",
    "parserOptions": {
        "ecmaVersion": 2017
    },
    "env": {
        "node": true,
        "es6": true,
        "commonjs": true
    },
    "rules": {
        "semi": [
            "error",
            "always"
        ],
        "semi-style": "error",
        "no-extra-semi": "error",
        "no-invalid-regexp": "error",
        "eqeqeq": "error",
        "use-isnan": "error",
        "getter-return": "error",
        "valid-typeof": "error",
        "no-extra-bind": "error",
        "no-eval": "error",
        "no-eq-null": "error",
        "no-labels": "error",
        "no-multi-spaces": "error",
        "no-multi-str": "error",
        "no-new": "error",
        "no-new-func": "error",
        "no-new-wrappers": "error",
        "no-redeclare": "error",
        "array-bracket-newline": [
            "off",
            "always"
        ],
        "array-element-newline": [
            "off"
        ],
        "block-spacing": [
            "error",
            "always"
        ],
        "brace-style": "error",
        "camelcase": "error",
        "comma-dangle": "error",
        "comma-spacing": "error",
        "func-call-spacing": [
            "error",
            "never"
        ],
        "lines-between-class-members": [
            "error",
            "always"
        ],
        "max-len": [
            "error",
            {
                "code": 1000
            }
        ],
        "max-lines": [
            "error",
            1000
        ],
        "no-new-object": "error",
        "semi-spacing": "error",
        "arrow-spacing": "error",
        "arrow-parens": "error",
        "constructor-super": "error",
        "no-duplicate-imports": "error",
        "no-var": "error",
        "no-unused-vars": "warn"
    }
}