.eslintrc.js

module.exports = {
    extends: "eslint:recommended",
    env: {
        node: true,
        es6: true
    },
    parserOptions: {
        ecmaVersion: 9,
        sourceType: "module"
    },
    plugins: [
        "promise",
        "node"
    ],
    rules: {
        "no-extra-parens": [
            "warn",
            "all",
            { nestedBinaryExpressions: false }
        ],
        "valid-jsdoc": [
            "warn",
            {
                requireReturn: false,
                requireReturnDescription: false,
                preferType: {
                    String: "string",
                    Number: "number",
                    Boolean: "boolean",
                    Symbol: "symbol",
                    function: "Function",
                    object: "Object",
                    Date: "date",
                    error: "Error"
                }
            }
        ],
        "accessor-pairs": "warn",
        "array-callback-return": "error",
        complexity: "warn",
        curly: [
            "error",
            "multi-line",
            "consistent"
        ],
        "dot-location": [
            "error",
            "property"
        ],
        "dot-notation": "error",
        eqeqeq: "error",
        "no-console": [
            "error",
            {
                allow: [
                    "log",
                    "warn",
                    "error"
                ]
            }
        ],
        "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-self-compare": "error",
        "no-sequences": "error",
        "no-unmodified-loop-condition": "error",
        "no-unused-expressions": "error",
        "no-useless-call": "error",
        "no-useless-escape": "error",
        "no-useless-concat": "error",
        "no-void": "error",
        "no-warning-comments": "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",
        "no-process-env": "error",
        "array-bracket-spacing": "error",
        "block-spacing": "error",
        "brace-style": [
            "error",
            "1tbs",
            { allowSingleLine: true }
        ],
        "comma-dangle": "error",
        "comma-spacing": "error",
        "comma-style": "error",
        "computed-property-spacing": "error",
        "consistent-this": "error",
        "eol-last": "error",
        "func-names": "error",
        "func-style": [
            "error",
            "declaration",
            { allowArrowFunctions: true }
        ],
        indent: [
            "error",
            4,
            { SwitchCase: 1 }
        ],
        "key-spacing": "error",
        "keyword-spacing": [
            "error",
            {
                overrides: {
                    if: { after: true },
                    for: { after: true },
                    while: { after: true },
                    catch: { after: true },
                    switch: { after: true }
                }
            }
        ],
        "max-depth": "error",
        "max-len": [
            "error",
            1500,
            2
        ],
        "max-nested-callbacks": [
            "error",
            { max: 4 }
        ],
        "max-statements-per-line": [
            "error",
            { max: 2 }
        ],
        "new-cap": "error",
        "newline-per-chained-call": [
            "error",
            { ignoreChainWithDepth: 6 }
        ],
        "no-array-constructor": "error",
        "no-bitwise": "warn",
        "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-newline": "error",
        "object-curly-spacing": [
            "error",
            "always"
        ],
        "operator-assignment": "error",
        "operator-linebreak": [
            "error",
            "after"
        ],
        "padded-blocks": [
            "error",
            {
                classes: "always",
                blocks: "never",
                switches: "never"
            }
        ],
        "quote-props": [
            "error",
            "as-needed"
        ],
        quotes: [
            "error",
            "double",
            {
                avoidEscape: true,
                allowTemplateLiterals: true
            }
        ],
        "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-body-style": "error",
        "arrow-spacing": "error",
        "no-duplicate-imports": "error",
        "no-useless-computed-key": "error",
        "no-useless-constructor": "error",
        "prefer-arrow-callback": "error",
        "prefer-const": "error",
        "prefer-destructuring": [
            "error",
            {
                VariableDeclarator: {
                    array: false,
                    object: true
                },
                AssignmentExpression: {
                    array: true,
                    object: true
                }
            },
            { enforceForRenamedProperties: false }
        ],
        "prefer-rest-params": "error",
        "prefer-spread": "error",
        "prefer-template": "error",
        "rest-spread-spacing": "error",
        "template-curly-spacing": "error",
        "yield-star-spacing": "error",
        "promise/no-return-wrap": "error",
        "promise/catch-or-return": "error",
        "promise/no-native": "off",
        "promise/no-nesting": "warn",
        "promise/no-promise-in-callback": "warn",
        "promise/no-callback-in-promise": "warn",
        "promise/no-return-in-finally": "warn",
        "node/no-missing-require": "off",
        "node/no-unpublished-bin": "error",
        "node/no-deprecated-api": "error",
        "node/exports-style": [
            "error",
            "module.exports"
        ],
        "no-var": "error",
        "arrow-parens": [
            "error",
            "as-needed"
        ]
    }
};