.eslintrc.json

{
    "extends": "eslint:recommended",
    "parserOptions": {
        "ecmaVersion": 9
    },
    "env": {
        "es6": true,
        "node": true
    },
    "rules": {
        "no-await-in-loop": "off",
        "no-extra-parens": [
            "warn",
            "all",
            {
                "nestedBinaryExpressions": false
            }
        ],
        "no-template-curly-in-string": "error",
        "no-unsafe-negation": "error",
        "valid-jsdoc": [
            "error",
            {
                "requireReturn": true,
                "requireReturnDescription": false,
                "prefer": {
                    "return": "returns",
                    "arg": "param"
                },
                "preferType": {
                    "String": "string",
                    "Number": "number",
                    "Boolean": "boolean",
                    "object": "Object",
                    "function": "Function",
                    "array": "Array",
                    "date": "Date",
                    "error": "Error",
                    "null": "void"
                }
            }
        ],
        "accessor-pairs": "warn",
        "array-callback-return": "error",
        "complexity": [
            "warn",
            25
        ],
        "consistent-return": "error",
        "curly": [
            "error",
            "multi-line",
            "consistent"
        ],
        "dot-location": [
            "error",
            "property"
        ],
        "dot-notation": "error",
        "eqeqeq": [
            "error",
            "smart"
        ],
        "no-console": "warn",
        "no-empty-function": "error",
        "no-floating-decimal": "error",
        "no-implied-eval": "error",
        "no-invalid-this": "error",
        "no-lone-blocks": "error",
        "no-multi-spaces": "error",
        "no-new-func": "error",
        "no-new-wrappers": "error",
        "no-new": "error",
        "no-octal-escape": "error",
        "no-return-assign": "error",
        "no-return-await": "error",
        "no-self-compare": "error",
        "no-sequences": "error",
        "no-throw-literal": "error",
        "no-unmodified-loop-condition": "error",
        "no-unused-expressions": "error",
        "no-useless-call": "error",
        "no-useless-concat": "error",
        "no-useless-escape": "error",
        "no-useless-return": "error",
        "no-void": "error",
        "no-warning-comments": "warn",
        "require-await": "warn",
        "wrap-iife": "error",
        "yoda": "error",
        "no-label-var": "error",
        "no-shadow": "error",
        "no-undef-init": "error",
        "callback-return": "error",
        "handle-callback-err": "error",
        "no-mixed-requires": "error",
        "no-new-require": "error",
        "no-path-concat": "error",
        "array-bracket-spacing": "error",
        "block-spacing": "error",
        "brace-style": [
            "error",
            "1tbs",
            {
                "allowSingleLine": true
            }
        ],
        "capitalized-comments": [
            "error",
            "always",
            {
                "ignoreConsecutiveComments": true
            }
        ],
        "comma-dangle": [
            "error",
            "never"
        ],
        "comma-spacing": "error",
        "comma-style": "error",
        "computed-property-spacing": "error",
        "consistent-this": [
            "error",
            "$this"
        ],
        "eol-last": "error",
        "func-names": "error",
        "func-name-matching": "error",
        "func-style": [
            "error",
            "declaration",
            {
                "allowArrowFunctions": true
            }
        ],
        "indent": [
            "error",
            4,
            {
                "MemberExpression": 1
            }
        ],
        "key-spacing": "error",
        "keyword-spacing": "error",
        "max-depth": [
            "error",
            7
        ],
        "max-nested-callbacks": [
            "error",
            {
                "max": 4
            }
        ],
        "max-statements-per-line": [
            "error",
            {
                "max": 2
            }
        ],
        "new-cap": "error",
        "no-array-constructor": "error",
        "no-inline-comments": "error",
        "no-lonely-if": "error",
        "no-mixed-operators": "error",
        "no-multiple-empty-lines": [
            "error",
            {
                "max": 2,
                "maxEOF": 1,
                "maxBOF": 0
            }
        ],
        "no-new-object": "error",
        "no-spaced-func": "error",
        "no-trailing-spaces": "error",
        "no-unneeded-ternary": "error",
        "no-whitespace-before-property": "error",
        "object-curly-spacing": [
            "error",
            "always"
        ],
        "operator-assignment": "error",
        "operator-linebreak": [
            "error",
            "before"
        ],
        "padded-blocks": [
            "error",
            "never"
        ],
        "quote-props": [
            "error",
            "as-needed"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi-spacing": "error",
        "semi": "error",
        "space-before-blocks": "error",
        "space-before-function-paren": [
            "error",
            {
                "anonymous": "always",
                "named": "never",
                "asyncArrow": "always"
            }
        ],
        "space-in-parens": "error",
        "space-infix-ops": "error",
        "space-unary-ops": "error",
        "spaced-comment": "error",
        "unicode-bom": "error",
        "arrow-parens": [
            "error",
            "as-needed"
        ],
        "arrow-spacing": "error",
        "no-duplicate-imports": "error",
        "no-useless-computed-key": "error",
        "no-useless-constructor": "error",
        "prefer-const": "error",
        "prefer-arrow-callback": "error",
        "prefer-numeric-literals": "error",
        "prefer-rest-params": "error",
        "prefer-spread": "error",
        "prefer-template": "error",
        "rest-spread-spacing": "error",
        "template-curly-spacing": "error",
        "yield-star-spacing": "error"
    }
}